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cesium-city3d/Build/Cesium/Workers/decodeDraco.js

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/**
* Cesium - https://github.com/AnalyticalGraphicsInc/cesium
*
* Copyright 2011-2017 Cesium Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Columbus View (Pat. Pend.)
*
* Portions licensed separately.
* See https://github.com/AnalyticalGraphicsInc/cesium/blob/master/LICENSE.md for full licensing details.
*/
/**
@license
when.js - https://github.com/cujojs/when
MIT License (c) copyright B Cavalier & J Hann
* A lightweight CommonJS Promises/A and when() implementation
* when is part of the cujo.js family of libraries (http://cujojs.com/)
*
* Licensed under the MIT License at:
* http://www.opensource.org/licenses/mit-license.php
*
* @version 1.7.1
*/
/**
@license
mersenne-twister.js - https://gist.github.com/banksean/300494
Copyright (C) 1997 - 2002, Makoto Matsumoto and Takuji Nishimura,
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. The names of its contributors may not be used to endorse or promote
products derived from this software without specific prior written
permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
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3300,FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:33301,FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:33302,FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:33303,FRAMEBUFFER_DEFAULT:33304,UNSIGNED_INT_24_8:34042,DEPTH24_STENCIL8:35056,UNSIGNED_NORMALIZED:35863,DRAW_FRAMEBUFFER_BINDING:36006,READ_FRAMEBUFFER:36008,DRAW_FRAMEBUFFER:36009,READ_FRAMEBUFFER_BINDING:36010,RENDERBUFFER_SAMPLES:36011,FRAMEBUFFER_ATTACHMENT_TEXTURE_LAYER:36052,MAX_COLOR_ATTACHMENTS:36063,COLOR_ATTACHMENT1:36065,COLOR_ATTACHMENT2:36066,COLOR_ATTACHMENT3:36067,COLOR_ATTACHMENT4:36068,COLOR_ATTACHMENT5:36069,COLOR_ATTACHMENT6:36070,COLOR_ATTACHMENT7:36071,COLOR_ATTACHMENT8:36072,COLOR_ATTACHMENT9:36073,COLOR_ATTACHMENT10:36074,COLOR_ATTACHMENT11:36075,COLOR_ATTACHMENT12:36076,COLOR_ATTACHMENT13:36077,COLOR_ATTACHMENT14:36078,COLOR_ATTACHMENT15:36079,FRAMEBUFFER_INCOMPLETE_MULTISAMPLE:36182,MAX_SAMPLES:36183,HALF_FLOAT:5131,RG:33319,RG_INTEGER:33320,R8:33321,RG8:33323,R16F:33325,R32F:33326,RG16F:33327,RG32F:33328,R8I:33329,R8UI:33330,R16I:33331,R16UI:33332,R32I:33333,R32UI:33334,RG8I:33335,RG8UI:33336,RG16I:33337,RG16UI:33338,RG32I:33339,RG32UI:33340,VERTEX_ARRAY_BINDING:34229,R8_SNORM:36756,RG8_SNORM:36757,RGB8_SNORM:36758,RGBA8_SNORM:36759,SIGNED_NORMALIZED:36764,COPY_READ_BUFFER:36662,COPY_WRITE_BUFFER:36663,COPY_READ_BUFFER_BINDING:36662,COPY_WRITE_BUFFER_BINDING:36663,UNIFORM_BUFFER:35345,UNIFORM_BUFFER_BINDING:35368,UNIFORM_BUFFER_START:35369,UNIFORM_BUFFER_SIZE:35370,MAX_VERTEX_UNIFORM_BLOCKS:35371,MAX_FRAGMENT_UNIFORM_BLOCKS:35373,MAX_COMBINED_UNIFORM_BLOCKS:35374,MAX_UNIFORM_BUFFER_BINDINGS:35375,MAX_UNIFORM_BLOCK_SIZE:35376,MAX_COMBINED_VERTEX_UNIFORM_COMPONENTS:35377,MAX_COMBINED_FRAGMENT_UNIFORM_COMPONENTS:35379,UNIFORM_BUFFER_OFFSET_ALIGNMENT:35380,ACTIVE_UNIFORM_BLOCKS:35382,UNIFORM_TYPE:35383,UNIFORM_SIZE:35384,UNIFORM_BLOCK_INDEX:35386,UNIFORM_OFFSET:35387,UNIFORM_ARRAY_STRIDE:35388,UNIFORM_MATRIX_STRIDE:35389,UNIFORM_IS_ROW_MAJOR:35390,UNIFORM_BLOCK_BINDING:35391,UNIFORM_BLOCK_DATA_SIZE:35392,UNIFORM_BLOCK_ACTIVE_UNIFORMS:35394,UNIFORM_BLOCK_ACTIVE_UNIFORM_INDICES:35395,UNIFORM_BLOCK_REFERENCED_BY_VERTEX_SHADER:35396,UNIFORM_BLOCK_REFERENCED_BY_FRAGMENT_SHADER:35398,INVALID_INDEX:4294967295,MAX_VERTEX_OUTPUT_COMPONENTS:37154,MAX_FRAGMENT_INPUT_COMPONENTS:37157,MAX_SERVER_WAIT_TIMEOUT:37137,OBJECT_TYPE:37138,SYNC_CONDITION:37139,SYNC_STATUS:37140,SYNC_FLAGS:37141,SYNC_FENCE:37142,SYNC_GPU_COMMANDS_COMPLETE:37143,UNSIGNALED:37144,SIGNALED:37145,ALREADY_SIGNALED:37146,TIMEOUT_EXPIRED:37147,CONDITION_SATISFIED:37148,WAIT_FAILED:37149,SYNC_FLUSH_COMMANDS_BIT:1,VERTEX_ATTRIB_ARRAY_DIVISOR:35070,ANY_SAMPLES_PASSED:35887,ANY_SAMPLES_PASSED_CONSERVATIVE:36202,SAMPLER_BINDING:35097,RGB10_A2UI:36975,INT_2_10_10_10_REV:36255,TRANSFORM_FEEDBACK:36386,TRANSFORM_FEEDBACK_PAUSED:36387,TRANSFORM_FEEDBACK_ACTIVE:36388,TRANSFORM_FEEDBACK_BINDING:36389,COMPRESSED_R11_EAC:37488,COMPRESSED_SIGNED_R11_EAC:37489,COMPRESSED_RG11_EAC:37490,COMPRESSED_SIGNED_RG11_EAC:37491,COMPRESSED_RGB8_ETC2:37492,COMPRESSED_SRGB8_ETC2:37493,COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:37494,COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:37495,COMPRESSED_RGBA8_ETC2_EAC:37496,COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:37497,TEXTURE_IMMUTABLE_FORMAT:37167,MAX_ELEMENT_INDEX:36203,TEXTURE_IMMUTABLE_LEVELS:33503,MAX_TEXTURE_MAX_ANISOTROPY_EXT:34047};return e(r)}),define("Core/ComponentDatatype",["./defaultValue","./defined","./DeveloperError","./FeatureDetection","./freezeObject","./WebGLConstants"],function(e,r,t,n,E,_){"use strict";if(!n.supportsTypedArrays())return{};var i={BYTE:_.BYTE,UNSIGNED_BYTE:_.UNSIGNED_BYTE,SHORT:_.SHORT,UNSIGNED_SHORT:_.UNSIGNED_SHORT,INT:_.INT,UNSIGNED_INT:_.UNSIGNED_INT,FLOAT:_.FLOAT,DOUBLE:_.DOUBLE};return i.getSizeInBytes=function(e){if(!r(e))throw new t("value is required.");switch(e){case i.BYTE:return Int8Array.BYTES_PER_ELEMENT;case i.UNSIGNED_BYTE:return Uint8Array.BYTES_PER_ELEMENT;case i.SHORT:return Int16Array.BYTES_PER_ELEMENT;case i.UNSIGNED_SHORT:return Uint16Array.BYTES_PER_ELEMENT;case i.INT:return Int32Array.BYTES_PER_ELEMENT;case i.UNSIGNED_INT:return Uint32Array.BYTES_PER_ELEMENT;case i.FLOAT:return Float32Array.BYTES_PER_ELEMENT;case i.DOUBLE:return Float64Array.BYTES_PER_ELEMENT;default:throw new t("componentDatatype is not a valid value.")}},i.fromTypedArray=function(e){return e instanceof Int8Array?i.BYTE:e instanceof Uint8Array?i.UNSIGNED_BYTE:e instanceof Int16Array?i.SHORT:e instanceof Uint16Array?i.UNSIGNED_SHORT:e instanceof Int32Array?i.INT:e instanceof Uint32Array?i.UNSIGNED_INT:e instanceof Float32Array?i.FLOAT:e instanceof Float64Array?i.DOUBLE:void 0},i.validate=function(e){return r(e)&&(e===i.BYTE||e===i.UNSIGNED_BYTE||e===i.SHORT||e===i.UNSIGNED_SHORT||e===i.INT||e===i.UNSIGNED_INT||e===i.FLOAT||e===i.DOUBLE)},i.createTypedArray=function(e,n){if(!r(e))throw new t("componentDatatype is required.");if(!r(n))throw new t("valuesOrLength is required.");switch(e){case i.BYTE:return new Int8Array(n);case i.UNSIGNED_BYTE:return new Uint8Array(n);case i.SHORT:return new Int16Array(n);case i.UNSIGNED_SHORT:return new Uint16Array(n);case i.INT:return new Int32Array(n);case i.UNSIGNED_INT:return new Uint32Array(n);case i.FLOAT:return new Float32Array(n);case i.DOUBLE:return new Float64Array(n);default:throw new t("componentDatatype is not a valid value.")}},i.createArrayBufferView=function(n,E,_,T){if(!r(n))throw new t("componentDatatype is required.");if(!r(E))throw new t("buffer is required.");switch(_=e(_,0),T=e(T,(E.byteLength-_)/i.getSizeInBytes(n)),n){case i.BYTE:return new Int8Array(E,_,T);case i.UNSIGNED_BYTE:return new Uint8Array(E,_,T);case i.SHORT:return new Int16Array(E,_,T);case i.UNSIGNED_SHORT:return new Uint16Array(E,_,T);case i.INT:return new Int32Array(E,_,T);case i.UNSIGNED_INT:return new Uint32Array(E,_,T);case i.FLOAT:return new Float32Array(E,_,T);case i.DOUBLE:return new Float64Array(E,_,T);default:throw new t("componentDatatype is not a valid value.")}},i.fromName=function(e){switch(e){case"BYTE":return i.BYTE;case"UNSIGNED_BYTE":return i.UNSIGNED_BYTE;case"SHORT":return i.SHORT;case"UNSIGNED_SHORT":return i.UNSIGNED_SHORT;case"INT":return i.INT;case"UNSIGNED_INT":return i.UNSIGNED_INT;case"FLOAT":return i.FLOAT;case"DOUBLE":return i.DOUBLE;default:throw new t("name is not a valid value.")}},E(i)}),define("ThirdParty/mersenne-twister",[],function(){var e=function(e){void 0==e&&(e=(new Date).getTime()),this.N=624,this.M=397,this.MATRIX_A=2567483615,this.UPPER_MASK=2147483648,this.LOWER_MASK=2147483647,this.mt=new Array(this.N),this.mti=this.N+1,this.init_genrand(e)};return e.prototype.init_genrand=function(e){for(this.mt[0]=e>>>0,this.mti=1;this.mti<this.N;this.mti++){var e=this.mt[this.mti-1]^this.mt[this.mti-1]>>>30;this.mt[this.mti]=(1812433253*((4294901760&e)>>>16)<<16)+1812433253*(65535&e)+this.mti,this.mt[this.mti]>>>=0}},e.prototype.genrand_int32=function(){var e,r=new Array(0,this.MATRIX_A);if(this.mti>=this.N){var t;for(this.mti==this.N+1&&this.init_genrand(5489),t=0;t<this.N-this.M;t++)e=this.mt[t]&this.UPPER_MASK|this.mt[t+1]&this.LOWER_MASK,this.mt[t]=this.mt[t+this.M]^e>>>1^r[1&e];for(;t<this.N-1;t++)e=this.mt[t]&this.UPPER_MASK|this.mt[t+1]&this.LOWER_MASK,this.mt[t]=this.mt[t+(this.M-this.N)]^e>>>1^r[1&e];e=this.mt[this.N-1]&this.UPPER_MASK|this.mt[0]&this.LOWER_MASK,this.mt[this.N-1]=this.mt[this.M-1]^e>>>1^r[1&e],this.mti=0}return e=this.mt[this.mti++],e^=e>>>11,e^=e<<7&2636928640,e^=e<<15&4022730752,e^=e>>>18,e>>>0},e.prototype.random=function(){return this.genrand_int32()*(1/4294967296)},e}),define("Core/Check",["./defined","./DeveloperError"],function(e,r){"use strict";function t(e){return e+" is required, actual value was undefined"}function n(e,r,t){return"Expected "+t+" to be typeof "+r+", actual typeof was "+e}var E={};return E.typeOf={},E.defined=function(n,E){if(!e(E))throw new r(t(n))},E.typeOf.func=function(e,t){if("function"!=typeof t)throw new r(n(typeof t,"function",e))},E.typeOf.string=function(e,t){if("string"!=typeof t)throw new r(n(typeof t,"string",e))},E.typeOf.number=function(e,t){if("number"!=typeof t)throw new r(n(typeof t,"number",e))},E.typeOf.number.lessThan=function(e,t,n){if(E.typeOf.number(e,t),t>=n)throw new r("Expected "+e+" to be less than "+n+", actual value was "+t)},E.typeOf.number.lessThanOrEquals=function(e,t,n){if(E.typeOf.number(e,t),t>n)throw new r("Expected "+e+" to be less than or equal to "+n+", actual value was "+t)},E.typeOf.number.greaterThan=function(e,t,n){if(E.typeOf.number(e,t),n>=t)throw new r("Expected "+e+" to be greater than "+n+", actual value was "+t)},E.typeOf.number.greaterThanOrEquals=function(e,t,n){if(E.typeOf.number(e,t),n>t)throw new r("Expected "+e+" to be greater than or equal to"+n+", actual value was "+t)},E.typeOf.object=function(e,t){if("object"!=typeof t)throw new r(n(typeof t,"object",e))},E.typeOf.bool=function(e,t){if("boolean"!=typeof t)throw new r(n(typeof t,"boolean",e))},E.typeOf.number.equals=function(e,t,n,_){if(E.typeOf.number(e,n),E.typeOf.number(t,_),n!==_)throw new r(e+" must be equal to "+t+", the actual values are "+n+" and "+_)},E}),define("Core/Math",["../ThirdParty/mersenne-twister","./Check","./defaultValue","./defined","./DeveloperError"],function(e,r,t,n,E){"use strict";var _={};_.Radious=6378137,_.EPSILON1=.1,_.EPSILON2=.01,_.EPSILON3=.001,_.EPSILON4=1e-4,_.EPSILON5=1e-5,_.EPSILON6=1e-6,_.EPSILON7=1e-7,_.EPSILON8=1e-8,_.EPSILON9=1e-9,_.EPSILON10=1e-10,_.EPSILON11=1e-11,_.EPSILON12=1e-12,_.EPSILON13=1e-13,_.EPSILON14=1e-14,_.EPSILON15=1e-15,_.EPSILON16=1e-16,_.EPSILON17=1e-17,_.EPSILON18=1e-18,_.EPSILON19=1e-19,_.EPSILON20=1e-20,_.EPSILON21=1e-21,_.GRAVITATIONALPARAMETER=3986004418e5,_.SOLAR_RADIUS=6955e5,_.LUNAR_RADIUS=1737400,_.SIXTY_FOUR_KILOBYTES=65536,_.sign=t(Math.sign,function(e){return e=+e,0===e||e!==e?e:e>0?1:-1}),_.signNotZero=function(e){return 0>e?-1:1},_.toSNorm=function(e,r){return r=t(r,255),Math.round((.5*_.clamp(e,-1,1)+.5)*r)},_.fromSNorm=function(e,r){return r=t(r,255),_.clamp(e,0,r)/r*2-1},_.sinh=t(Math.sinh,function(e){return(Math.exp(e)-Math.exp(-e))/2}),_.cosh=t(Math.cosh,function(e){return(Math.exp(e)+Math.exp(-e))/2}),_.lerp=function(e,r,t){return(1-t)*e+t*r},_.PI=Math.PI,_.ONE_OVER_PI=1/Math.PI,_.PI_OVER_TWO=Math.PI/2,_.PI_OVER_THREE=Math.PI/3,_.PI_OVER_FOUR=Math.PI/4,_.PI_OVER_SIX=Math.PI/6,_.THREE_PI_OVER_TWO=3*Math.PI/2,_.TWO_PI=2*Math.PI,_.ONE_OVER_TWO_PI=1/(2*Math.PI),_.RADIANS_PER_DEGREE=Math.PI/180,_.DEGREES_PER_RADIAN=180/Math.PI,_.RADIANS_PER_ARCSECOND=_.RADIANS_PER_DEGREE/3600,_.toRadians=function(e){if(!n(e))throw new E("degrees is required.");return e*_.RADIANS_PER_DEGREE},_.toDegrees=function(e){if(!n(e))throw new E("radians is required.");return e*_.DEGREES_PER_RADIAN},_.convertLongitudeRange=function(e){if(!n(e))throw new E("angle is required.");var r=_.TWO_PI,t=e-Math.floor(e/r)*r;return t<-Math.PI?t+r:t>=Math.PI?t-r:t},_.clampToLatitudeRange=function(e){if(!n(e))throw new E("angle is required.");return _.clamp(e,-1*_.PI_OVER_TWO,_.PI_OVER_TWO)},_.negativePiToPi=function(e){if(!n(e))throw new E("angle is required.");return _.zeroToTwoPi(e+_.PI)-_.PI},_.zeroToTwoPi=function(e){if(!n(e))throw new E("angle is required.");var r=_.mod(e,_.TWO_PI);return Math.abs(r)<_.EPSILON14&&Math.abs(e)>_.EPSILON14?_.TWO_PI:r},_.mod=function(e,r){if(!n(e))throw new E("m is required.");if(!n(r))throw new E("n is required.");return(e%r+r)%r},_.equalsEpsilon=function(e,r,_,i){
if(!n(e))throw new E("left is required.");if(!n(r))throw new E("right is required.");if(!n(_))throw new E("relativeEpsilon is required.");i=t(i,_);var T=Math.abs(e-r);return i>=T||T<=_*Math.max(Math.abs(e),Math.abs(r))},_.lessThan=function(e,r,t){if(!n(e))throw new E("first is required.");if(!n(r))throw new E("second is required.");if(!n(t))throw new E("relativeEpsilon is required.");return-t>e-r},_.lessThanOrEquals=function(e,r,t){if(!n(e))throw new E("first is required.");if(!n(r))throw new E("second is required.");if(!n(t))throw new E("relativeEpsilon is required.");return t>e-r},_.greaterThan=function(e,r,t){if(!n(e))throw new E("first is required.");if(!n(r))throw new E("second is required.");if(!n(t))throw new E("relativeEpsilon is required.");return e-r>t},_.greaterThanOrEquals=function(e,r,t){if(!n(e))throw new E("first is required.");if(!n(r))throw new E("second is required.");if(!n(t))throw new E("relativeEpsilon is required.");return e-r>-t};var i=[1];_.factorial=function(e){if("number"!=typeof e||0>e)throw new E("A number greater than or equal to 0 is required.");var r=i.length;if(e>=r)for(var t=i[r-1],n=r;e>=n;n++)i.push(t*n);return i[e]},_.incrementWrap=function(e,r,_){if(_=t(_,0),!n(e))throw new E("n is required.");if(_>=r)throw new E("maximumValue must be greater than minimumValue.");return++e,e>r&&(e=_),e},_.isPowerOfTwo=function(e){if("number"!=typeof e||0>e)throw new E("A number greater than or equal to 0 is required.");return 0!==e&&0===(e&e-1)},_.nextPowerOfTwo=function(e){if("number"!=typeof e||0>e)throw new E("A number greater than or equal to 0 is required.");return--e,e|=e>>1,e|=e>>2,e|=e>>4,e|=e>>8,e|=e>>16,++e,e},_.clamp=function(e,r,t){if(!n(e))throw new E("value is required");if(!n(r))throw new E("min is required.");if(!n(t))throw new E("max is required.");return r>e?r:e>t?t:e};var T=new e;return _.setRandomNumberSeed=function(r){if(!n(r))throw new E("seed is required.");T=new e(r)},_.nextRandomNumber=function(){return T.random()},_.randomBetween=function(e,r){return _.nextRandomNumber()*(r-e)+e},_.acosClamped=function(e){if(!n(e))throw new E("value is required.");return Math.acos(_.clamp(e,-1,1))},_.asinClamped=function(e){if(!n(e))throw new E("value is required.");return Math.asin(_.clamp(e,-1,1))},_.chordLength=function(e,r){if(!n(e))throw new E("angle is required.");if(!n(r))throw new E("radius is required.");return 2*r*Math.sin(.5*e)},_.logBase=function(e,r){if(!n(e))throw new E("number is required.");if(!n(r))throw new E("base is required.");return Math.log(e)/Math.log(r)},_.cbrt=t(Math.cbrt,function(e){var r=Math.pow(Math.abs(e),1/3);return 0>e?-r:r}),_.log2=t(Math.log2,function(e){return Math.log(e)*Math.LOG2E}),_.fog=function(e,r){var t=e*r;return 1-Math.exp(-(t*t))},_.fastApproximateAtan=function(e){return r.typeOf.number("x",e),e*(-.1784*Math.abs(e)-.0663*e*e+1.0301)},_.fastApproximateAtan2=function(e,t){r.typeOf.number("x",e),r.typeOf.number("y",t);var n,i,T=Math.abs(e);n=Math.abs(t),i=Math.max(T,n),n=Math.min(T,n);var o=n/i;if(isNaN(o))throw new E("either x or y must be nonzero");return T=_.fastApproximateAtan(o),T=Math.abs(t)>Math.abs(e)?_.PI_OVER_TWO-T:T,T=0>e?_.PI-T:T,T=0>t?-T:T},_}),define("Core/IndexDatatype",["./defined","./DeveloperError","./freezeObject","./Math","./WebGLConstants"],function(e,r,t,n,E){"use strict";var _={UNSIGNED_BYTE:E.UNSIGNED_BYTE,UNSIGNED_SHORT:E.UNSIGNED_SHORT,UNSIGNED_INT:E.UNSIGNED_INT};return _.getSizeInBytes=function(e){switch(e){case _.UNSIGNED_BYTE:return Uint8Array.BYTES_PER_ELEMENT;case _.UNSIGNED_SHORT:return Uint16Array.BYTES_PER_ELEMENT;case _.UNSIGNED_INT:return Uint32Array.BYTES_PER_ELEMENT}throw new r("indexDatatype is required and must be a valid IndexDatatype constant.")},_.fromSizeInBytes=function(e){switch(e){case 2:return _.UNSIGNED_SHORT;case 4:return _.UNSIGNED_INT;case 1:return _.UNSIGNED_BYTE;default:throw new r("Size in bytes cannot be mapped to an IndexDatatype")}},_.validate=function(r){return e(r)&&(r===_.UNSIGNED_BYTE||r===_.UNSIGNED_SHORT||r===_.UNSIGNED_INT)},_.createTypedArray=function(t,E){if(!e(t))throw new r("numberOfVertices is required.");return t>=n.SIXTY_FOUR_KILOBYTES?new Uint32Array(E):new Uint16Array(E)},_.createTypedArrayFromArrayBuffer=function(t,E,_,i){if(!e(t))throw new r("numberOfVertices is required.");if(!e(E))throw new r("sourceArray is required.");if(!e(_))throw new r("byteOffset is required.");return t>=n.SIXTY_FOUR_KILOBYTES?new Uint32Array(E,_,i):new Uint16Array(E,_,i)},t(_)}),define("Core/formatError",["./defined"],function(e){"use strict";function r(r){var t,n=r.name,E=r.message;t=e(n)&&e(E)?n+": "+E:r.toString();var _=r.stack;return e(_)&&(t+="\n"+_),t}return r}),define("Workers/createTaskProcessorWorker",["../ThirdParty/when","../Core/defaultValue","../Core/defined","../Core/formatError"],function(e,r,t,n){"use strict";function E(r,t,n){var E;try{return E=r(t,n)}catch(_){return e.reject(_)}}function _(_){var i;return function(T){var o=T.data,R=[],A={id:o.id,result:void 0,error:void 0};return e(E(_,o.parameters,R)).then(function(e){A.result=e}).otherwise(function(e){e instanceof Error?A.error={name:e.name,message:e.message,stack:e.stack}:A.error=e}).always(function(){t(i)||(i=r(self.webkitPostMessage,self.postMessage)),o.canTransferArrayBuffer||(R.length=0);try{i(A,R)}catch(e){A.result=void 0,A.error="postMessage failed with error: "+n(e)+"\n with responseMessage: "+JSON.stringify(A),i(A)}})}}return _}),define("Workers/decodeDraco",["../Core/ComponentDatatype","../Core/defined","../Core/IndexDatatype","../Core/RuntimeError","./createTaskProcessorWorker"],function(e,r,t,n,E){"use strict";function _(e,r){for(var n=e.num_points(),E=e.num_faces(),_=new N.DracoInt32Array,i=3*E,T=t.createTypedArray(n,i),o=0,R=0;E>R;++R)r.GetFaceFromMesh(e,R,_),T[o+0]=_.GetValue(0),T[o+1]=_.GetValue(1),T[o+2]=_.GetValue(2),o+=3;return N.destroy(_),{typedArray:T,numberOfIndices:i}}function i(e,r,t,n,E){var _,i;n.quantizationBits<=8?(i=new N.DracoUInt8Array,_=new Uint8Array(E),r.GetAttributeUInt8ForAllPoints(e,t,i)):(i=new N.DracoUInt16Array,_=new Uint16Array(E),r.GetAttributeUInt16ForAllPoints(e,t,i));for(var T=0;E>T;++T)_[T]=i.GetValue(T);return N.destroy(i),_}function T(e,r,t,n){var E,_;switch(t.data_type()){case 1:case 11:_=new N.DracoInt8Array,E=new Int8Array(n),r.GetAttributeInt8ForAllPoints(e,t,_);break;case 2:_=new N.DracoUInt8Array,E=new Uint8Array(n),r.GetAttributeUInt8ForAllPoints(e,t,_);break;case 3:_=new N.DracoInt16Array,E=new Int16Array(n),r.GetAttributeInt16ForAllPoints(e,t,_);break;case 4:_=new N.DracoUInt16Array,E=new Uint16Array(n),r.GetAttributeUInt16ForAllPoints(e,t,_);break;case 5:case 7:_=new N.DracoInt32Array,E=new Int32Array(n),r.GetAttributeInt32ForAllPoints(e,t,_);break;case 6:case 8:_=new N.DracoUInt32Array,E=new Uint32Array(n),r.GetAttributeUInt32ForAllPoints(e,t,_);break;case 9:case 10:_=new N.DracoFloat32Array,E=new Float32Array(n),r.GetAttributeFloatForAllPoints(e,t,_)}for(var i=0;n>i;++i)E[i]=_.GetValue(i);return N.destroy(_),E}function o(t,n,E){var _,o=t.num_points(),R=E.num_components(),A=new N.AttributeQuantizationTransform;if(A.InitFromAttribute(E)){for(var u=new Array(R),a=0;R>a;++a)u[a]=A.min_value(a);_={quantizationBits:A.quantization_bits(),minValues:u,range:A.range(),octEncoded:!1}}N.destroy(A),A=new N.AttributeOctahedronTransform,A.InitFromAttribute(E)&&(_={quantizationBits:A.quantization_bits(),octEncoded:!0}),N.destroy(A);var s,I=o*R;s=r(_)?i(t,n,E,_,I):T(t,n,E,I);var c=e.fromTypedArray(s);return{array:s,data:{componentsPerAttribute:R,componentDatatype:c,byteOffset:E.byte_offset(),byteStride:e.getSizeInBytes(c)*R,normalized:E.normalized(),quantization:_}}}function R(e){var r=new N.Decoder;e.dequantizeInShader&&(r.SkipAttributeTransform(N.POSITION),r.SkipAttributeTransform(N.NORMAL));var t=new N.DecoderBuffer;t.Init(e.buffer,e.buffer.length);var E=r.GetEncodedGeometryType(t);if(E!==N.POINT_CLOUD)throw new n("Draco geometry type must be POINT_CLOUD.");var _=new N.PointCloud,i=r.DecodeBufferToPointCloud(t,_);if(!i.ok()||0===_.ptr)throw new n("Error decoding draco point cloud: "+i.error_msg());N.destroy(t);var T={},R=e.properties;for(var A in R)if(R.hasOwnProperty(A)){var u=R[A],a=r.GetAttributeByUniqueId(_,u);T[A]=o(_,r,a)}return N.destroy(_),N.destroy(r),T}function A(e){var r=new N.Decoder,t=["POSITION","NORMAL","COLOR","TEX_COORD"];if(e.dequantizeInShader)for(var E=0;E<t.length;++E)r.SkipAttributeTransform(N[t[E]]);var i=e.bufferView,T=new N.DecoderBuffer;T.Init(e.array,i.byteLength);var R=r.GetEncodedGeometryType(T);if(R!==N.TRIANGULAR_MESH)throw new n("Unsupported draco mesh geometry type.");var A=new N.Mesh,u=r.DecodeBufferToMesh(T,A);if(!u.ok()||0===A.ptr)throw new n("Error decoding draco mesh geometry: "+u.error_msg());N.destroy(T);var a={},s=e.compressedAttributes;for(var I in s)if(s.hasOwnProperty(I)){var c=s[I],S=r.GetAttributeByUniqueId(A,c);a[I]=o(A,r,S)}var f={indexArray:_(A,r),attributeData:a};return N.destroy(A),N.destroy(r),f}function u(e){return r(e.primitive)?A(e):R(e)}function a(e){N=e,self.onmessage=E(u),self.postMessage(!0)}function s(e){var t=e.data,n=t.webAssemblyConfig;return r(n)?require([n.modulePath],function(e){r(n.wasmBinaryFile)?(r(e)||(e=self.DracoDecoderModule),e(n).then(function(e){a(e)})):a(e())}):void 0}var N;return s})}();
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