mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
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1227 lines
24 KiB
JavaScript
Executable File
1227 lines
24 KiB
JavaScript
Executable File
/**
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* Author: Pierre Lepers
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* Date: 09/12/2013 17:21
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*/
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THREE.AWDLoader = (function () {
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var UNCOMPRESSED = 0,
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DEFLATE = 1,
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LZMA = 2,
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AWD_FIELD_INT8 = 1,
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AWD_FIELD_INT16 = 2,
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AWD_FIELD_INT32 = 3,
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AWD_FIELD_UINT8 = 4,
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AWD_FIELD_UINT16 = 5,
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AWD_FIELD_UINT32 = 6,
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AWD_FIELD_FLOAT32 = 7,
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AWD_FIELD_FLOAT64 = 8,
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AWD_FIELD_BOOL = 21,
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AWD_FIELD_COLOR = 22,
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AWD_FIELD_BADDR = 23,
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AWD_FIELD_STRING = 31,
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AWD_FIELD_BYTEARRAY = 32,
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AWD_FIELD_VECTOR2x1 = 41,
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AWD_FIELD_VECTOR3x1 = 42,
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AWD_FIELD_VECTOR4x1 = 43,
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AWD_FIELD_MTX3x2 = 44,
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AWD_FIELD_MTX3x3 = 45,
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AWD_FIELD_MTX4x3 = 46,
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AWD_FIELD_MTX4x4 = 47,
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BOOL = 21,
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COLOR = 22,
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BADDR = 23,
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INT8 = 1,
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INT16 = 2,
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INT32 = 3,
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UINT8 = 4,
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UINT16 = 5,
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UINT32 = 6,
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FLOAT32 = 7,
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FLOAT64 = 8;
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var littleEndian = true;
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// ResourcesLoader
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// =============
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// handle loading for external resources
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function ResourcesLoader( awdUrl ) {
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this._baseDir = awdUrl.substr( 0, awdUrl.lastIndexOf( '/' ) + 1 );
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this._loadingManager = new THREE.LoadingManager();
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}
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ResourcesLoader.prototype = {
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loadTexture : function( path ) {
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var tex = new THREE.Texture();
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var loader = new THREE.ImageLoader( this._loadingManager );
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loader.load( this._baseDir + path, function( image ) {
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tex.image = image;
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tex.needsUpdate = true;
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});
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return tex;
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}
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}
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function Block() {
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this.id = 0;
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this.data = null;
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}
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function AWDLoader( showStatus ) {
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THREE.Loader.call( this, showStatus );
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this.trunk = new THREE.Object3D();
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this.materialFactory = undefined;
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this._resourceLoader = null;
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this._url = '';
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this._data;
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this._ptr = 0;
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this._version = [];
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this._streaming = false;
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this._optimized_for_accuracy = false;
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this._compression = 0;
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this._bodylen = 0xFFFFFFFF;
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this._blocks = [ new Block() ];
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this._accuracyMatrix = false;
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this._accuracyGeo = false;
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this._accuracyProps = false;
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};
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AWDLoader.prototype = Object.create( THREE.Loader.prototype );
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AWDLoader.prototype.constructor = AWDLoader;
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AWDLoader.prototype.load = function ( url, callback ) {
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var that = this;
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this._url = url;
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var xhr = new XMLHttpRequest();
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xhr.open( "GET", url, true );
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xhr.responseType = 'arraybuffer';
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xhr.onreadystatechange = function () {
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if ( xhr.readyState == 4 ) {
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if ( xhr.status == 200 || xhr.status == 0 ) {
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that.parse( xhr.response );
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callback( that.trunk );
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} else {
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console.error( 'AWDLoader: Couldn\'t load ' + url + ' (' + xhr.status + ')' );
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}
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}
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};
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xhr.send( null );
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};
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AWDLoader.prototype.parse = function ( data ) {
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var blen = data.byteLength;
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this._ptr = 0;
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this._data = new DataView( data );
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this._parseHeader( );
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if ( this._compression != 0 ) {
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console.error( 'compressed AWD not supported' );
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}
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if (!this._streaming && this._bodylen != data.byteLength - this._ptr ) {
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console.error('AWDLoader: body len does not match file length', this._bodylen, blen - this._ptr);
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}
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while ( this._ptr < blen ) {
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this.parseNextBlock();
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}
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return this.trunk;
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}
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AWDLoader.prototype.parseNextBlock = function ( ) {
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var assetData,
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ns, type, len, block,
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blockId = this.readU32(),
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ns = this.readU8(),
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type = this.readU8(),
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flags = this.readU8(),
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len = this.readU32();
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switch (type) {
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case 1:
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assetData = this.parseMeshData(len);
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break;
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case 22:
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assetData = this.parseContainer(len);
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break;
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case 23:
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assetData = this.parseMeshInstance(len);
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break;
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case 81:
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assetData = this.parseMaterial(len);
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break;
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case 82:
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assetData = this.parseTexture(len);
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break;
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case 101:
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assetData = this.parseSkeleton(len);
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break;
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// case 111:
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// assetData = this.parseMeshPoseAnimation(len, true);
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// break;
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case 112:
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assetData = this.parseMeshPoseAnimation(len, false);
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break;
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case 113:
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assetData = this.parseVertexAnimationSet(len);
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break;
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case 102:
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assetData = this.parseSkeletonPose(len);
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break;
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case 103:
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assetData = this.parseSkeletonAnimation(len);
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break;
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case 122:
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assetData = this.parseAnimatorSet(len);
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break;
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// case 121:
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// assetData = parseUVAnimation(len);
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// break;
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default:
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//debug('Ignoring block!',type, len);
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this._ptr += len;
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break;
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}
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// Store block reference for later use
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this._blocks[blockId] = block = new Block();
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block.data = assetData;
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block.id = blockId;
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}
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AWDLoader.prototype._parseHeader = function () {
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var version = this._version,
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awdmagic =
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( this.readU8()<<16)
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| ( this.readU8()<<8 )
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| this.readU8();
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if ( awdmagic != 4282180 )
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throw new Error( "AWDLoader - bad magic" );
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version[0] = this.readU8();
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version[1] = this.readU8();
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var flags = this.readU16();
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this._streaming = (flags & 0x1) == 0x1;
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if ((version[0] === 2) && (version[1] === 1)) {
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this._accuracyMatrix = (flags & 0x2) === 0x2;
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this._accuracyGeo = (flags & 0x4) === 0x4;
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this._accuracyProps = (flags & 0x8) === 0x8;
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}
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this._geoNrType = this._accuracyGeo ? FLOAT64 : FLOAT32;
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this._matrixNrType = this._accuracyMatrix ? FLOAT64 : FLOAT32;
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this._propsNrType = this._accuracyProps ? FLOAT64 : FLOAT32;
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this._optimized_for_accuracy = (flags & 0x2) === 0x2;
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this._compression = this.readU8();
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this._bodylen = this.readU32();
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}
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AWDLoader.prototype.parseContainer = function ( len ) {
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var parent,
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ctr = new THREE.Object3D(),
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par_id = this.readU32(),
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mtx = this.parseMatrix4();
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ctr.name = this.readUTF();
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ctr.applyMatrix( mtx );
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parent = this._blocks[par_id].data || this.trunk;
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parent.add(ctr);
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this.parseProperties({
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1:this._matrixNrType,
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2:this._matrixNrType,
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3:this._matrixNrType,
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4:UINT8
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});
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ctr.extra = this.parseUserAttributes();
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return ctr;
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}
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AWDLoader.prototype.parseMeshInstance = function ( len ) {
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var name,
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mesh, geometries, meshLen, meshes,
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par_id, data_id,
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mtx,
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materials, mat, mat_id,
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num_materials,
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materials_parsed,
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parent,
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i;
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par_id = this.readU32();
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mtx = this.parseMatrix4();
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name = this.readUTF();
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data_id = this.readU32();
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num_materials = this.readU16();
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geometries = this.getBlock( data_id );
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materials = [];
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materials_parsed = 0;
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for ( i = 0; i < num_materials; i ++) {
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mat_id = this.readU32();
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mat = this.getBlock( mat_id );
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materials.push( mat );
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}
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meshLen = geometries.length
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meshes = [];
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// TODO : BufferGeometry don't support "geometryGroups" for now.
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// so we create sub meshes for each groups
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if ( meshLen > 1 ) {
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mesh = new THREE.Object3D()
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for ( i = 0; i < meshLen; i ++) {
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var sm = new THREE.Mesh( geometries[i] );
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meshes.push( sm );
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mesh.add( sm );
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}
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}
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else {
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mesh = new THREE.Mesh( geometries[0] );
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meshes.push( mesh );
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}
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mesh.applyMatrix( mtx );
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mesh.name = name;
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parent = this.getBlock( par_id ) || this.trunk;
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parent.add( mesh );
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var matLen = materials.length;
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var maxLen = Math.max( meshLen, matLen);
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for ( i = 0; i < maxLen; i ++ )
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meshes[ i%meshLen ].material = materials[ i % matLen ];
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// Ignore for now
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this.parseProperties( null );
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mesh.extra = this.parseUserAttributes();
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return mesh;
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}
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AWDLoader.prototype.parseMaterial = function ( len ) {
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var name,
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type,
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props,
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mat,
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attributes,
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finalize,
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num_methods,
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methods_parsed;
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name = this.readUTF();
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type = this.readU8();
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num_methods = this.readU8();
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//log( "AWDLoader parseMaterial ",name )
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// Read material numerical properties
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// (1=color, 2=bitmap url, 11=alpha_blending, 12=alpha_threshold, 13=repeat)
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props = this.parseProperties({
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1: AWD_FIELD_INT32,
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2: AWD_FIELD_BADDR,
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11: AWD_FIELD_BOOL,
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12: AWD_FIELD_FLOAT32,
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13: AWD_FIELD_BOOL
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});
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methods_parsed = 0;
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while ( methods_parsed < num_methods ) {
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var method_type = this.readU16();
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this.parseProperties( null );
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this.parseUserAttributes();
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}
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attributes = this.parseUserAttributes();
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if ( this.materialFactory !== undefined ) {
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mat = this.materialFactory( name );
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if ( mat ) return mat;
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}
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mat = new THREE.MeshPhongMaterial();
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if (type === 1) { // Color material
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mat.color.setHex( props.get(1, 0xcccccc) );
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}
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else if (type === 2) { // Bitmap material
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var tex_addr = props.get(2, 0);
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mat.map = this.getBlock( tex_addr );
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}
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mat.extra = attributes;
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mat.alphaThreshold = props.get(12, 0.0);
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mat.repeat = props.get(13, false);
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return mat;
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}
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AWDLoader.prototype.parseTexture = function( len ) {
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var name = this.readUTF(),
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type = this.readU8(),
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asset,
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data_len;
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// External
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if (type === 0) {
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data_len = this.readU32();
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var url = this.readUTFBytes(data_len);
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console.log( url );
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asset = this.loadTexture( url );
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} else {
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// embed texture not supported
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}
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// Ignore for now
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this.parseProperties( null );
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this.parseUserAttributes();
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return asset;
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}
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AWDLoader.prototype.loadTexture = function( url ) {
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if ( null === this._resourceLoader )
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this._resourceLoader = new ResourcesLoader( this._url );
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return this._resourceLoader.loadTexture( url );
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}
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// broken : skeleton pose format is different than threejs one
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AWDLoader.prototype.parseSkeleton = function(len) // Array<Bone>
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{
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var name = this.readUTF(),
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num_joints = this.readU16(),
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skeleton = [],
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joints_parsed = 0;
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this.parseProperties( null );
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while (joints_parsed < num_joints) {
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var joint, ibp;
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// Ignore joint id
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this.readU16();
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joint = new THREE.Bone();
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joint.parent = this.readU16() - 1; // 0=null in AWD
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joint.name = this.readUTF();
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ibp = this.parseMatrix4();
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joint.skinMatrix = ibp;
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// Ignore joint props/attributes for now
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this.parseProperties(null);
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this.parseUserAttributes();
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skeleton.push(joint);
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joints_parsed ++;
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}
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// Discard attributes for now
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this.parseUserAttributes();
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return skeleton;
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}
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AWDLoader.prototype.parseSkeletonPose = function(blockID)
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{
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var name = this.readUTF();
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var num_joints = this.readU16();
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this.parseProperties(null);
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// debug( 'parse Skeleton Pose. joints : ' + num_joints);
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var pose = [];
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var joints_parsed = 0;
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while (joints_parsed < num_joints) {
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var joint_pose;
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var has_transform; //:uint;
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var mtx_data;
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has_transform = this.readU8();
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if (has_transform === 1) {
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mtx_data = this.parseMatrix4();
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} else
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{
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mtx_data = new THREE.Matrix4();
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}
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pose[joints_parsed] = mtx_data;
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joints_parsed ++;
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}
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// Skip attributes for now
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this.parseUserAttributes();
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return pose
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}
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AWDLoader.prototype.parseSkeletonAnimation = function(blockID)
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{
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var frame_dur;
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var pose_addr;
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var pose;
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var name = this.readUTF();
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var clip = [];
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var num_frames = this.readU16();
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this.parseProperties(null);
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var frames_parsed = 0;
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var returnedArray;
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// debug( 'parse Skeleton Animation. frames : ' + num_frames);
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while (frames_parsed < num_frames) {
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pose_addr = this.readU32();
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frame_dur = this.readU16();
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pose = this._blocks[pose_addr].data
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// debug( 'pose address ',pose[2].elements[12],pose[2].elements[13],pose[2].elements[14] );
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clip.push( {
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pose : pose,
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duration : frame_dur
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} );
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frames_parsed ++;
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}
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if (clip.length == 0) {
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// debug("Could not this SkeletonClipNode, because no Frames where set.");
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return;
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}
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// Ignore attributes for now
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this.parseUserAttributes();
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return clip;
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}
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AWDLoader.prototype.parseVertexAnimationSet = function(len)
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{
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var poseBlockAdress,
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name = this.readUTF(),
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num_frames = this.readU16(),
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props = this.parseProperties({ 1:UINT16 }),
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frames_parsed = 0,
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skeletonFrames = [];
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while (frames_parsed < num_frames) {
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poseBlockAdress = this.readU32();
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skeletonFrames.push(this._blocks[poseBlockAdress].data);
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frames_parsed ++;
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}
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this.parseUserAttributes();
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return skeletonFrames;
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}
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AWDLoader.prototype.parseAnimatorSet = function(len)
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{
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var targetMesh;
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var animSetBlockAdress; //:int
|
|
|
|
var targetAnimationSet; //:AnimationSetBase;
|
|
var outputString = ""; //:String = "";
|
|
var name = this.readUTF();
|
|
var type = this.readU16();
|
|
|
|
var props = this.parseProperties({ 1:BADDR });
|
|
|
|
animSetBlockAdress = this.readU32();
|
|
var targetMeshLength = this.readU16();
|
|
|
|
var meshAdresses = []; //:Vector.<uint> = new Vector.<uint>;
|
|
|
|
for (var i = 0; i < targetMeshLength; i ++)
|
|
meshAdresses.push( this.readU32() );
|
|
|
|
var activeState = this.readU16();
|
|
var autoplay = Boolean(this.readU8());
|
|
this.parseUserAttributes();
|
|
this.parseUserAttributes();
|
|
|
|
var returnedArray;
|
|
var targetMeshes = []; //:Vector.<Mesh> = new Vector.<Mesh>;
|
|
|
|
for (i = 0; i < meshAdresses.length; i ++) {
|
|
// returnedArray = getAssetByID(meshAdresses[i], [AssetType.MESH]);
|
|
// if (returnedArray[0])
|
|
targetMeshes.push(this._blocks[meshAdresses[i]].data);
|
|
}
|
|
|
|
targetAnimationSet = this._blocks[animSetBlockAdress].data
|
|
var thisAnimator;
|
|
|
|
if (type == 1) {
|
|
|
|
|
|
thisAnimator = {
|
|
animationSet : targetAnimationSet,
|
|
skeleton : this._blocks[props.get(1, 0)].data
|
|
};
|
|
|
|
} else if (type == 2) {
|
|
// debug( "vertex Anim???");
|
|
}
|
|
|
|
|
|
for (i = 0; i < targetMeshes.length; i ++) {
|
|
targetMeshes[i].animator = thisAnimator;
|
|
}
|
|
// debug("Parsed a Animator: Name = " + name);
|
|
|
|
return thisAnimator;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
AWDLoader.prototype.parseMeshData = function ( len ) {
|
|
|
|
var name = this.readUTF(),
|
|
num_subs = this.readU16(),
|
|
geom,
|
|
subs_parsed = 0,
|
|
props,
|
|
buffer,
|
|
skinW, skinI,
|
|
geometries = [];
|
|
|
|
|
|
|
|
|
|
props = this.parseProperties({
|
|
1: this._geoNrType,
|
|
2: this._geoNrType
|
|
});
|
|
|
|
|
|
|
|
// Loop through sub meshes
|
|
while (subs_parsed < num_subs) {
|
|
|
|
var sm_len, sm_end, attrib;
|
|
|
|
geom = new THREE.BufferGeometry();
|
|
geom.name = name;
|
|
geometries.push( geom );
|
|
|
|
|
|
sm_len = this.readU32();
|
|
sm_end = this._ptr + sm_len;
|
|
|
|
|
|
// Ignore for now
|
|
this.parseProperties({ 1:this._geoNrType, 2:this._geoNrType });
|
|
|
|
// Loop through data streams
|
|
while ( this._ptr < sm_end ) {
|
|
|
|
|
|
var idx = 0,
|
|
str_type = this.readU8(),
|
|
str_ftype = this.readU8(),
|
|
str_len = this.readU32(),
|
|
str_end = str_len + this._ptr;
|
|
|
|
|
|
|
|
|
|
|
|
// VERTICES
|
|
// ------------------
|
|
if ( str_type === 1 ) {
|
|
|
|
buffer = new Float32Array( ( str_len / 12 ) * 3 );
|
|
attrib = new THREE.BufferAttribute( buffer, 3 );
|
|
|
|
geom.addAttribute( 'position', attrib );
|
|
idx = 0;
|
|
|
|
while (this._ptr < str_end) {
|
|
buffer[idx] = -this.readF32();
|
|
buffer[idx + 1] = this.readF32();
|
|
buffer[idx + 2] = this.readF32();
|
|
idx+=3;
|
|
}
|
|
}
|
|
|
|
|
|
// INDICES
|
|
// -----------------
|
|
else if (str_type === 2) {
|
|
|
|
buffer = new Uint16Array( str_len / 2 );
|
|
attrib = new THREE.BufferAttribute( buffer, 1 );
|
|
geom.addAttribute( 'index', attrib );
|
|
|
|
geom.offsets.push({
|
|
start: 0,
|
|
index: 0,
|
|
count: str_len / 2
|
|
});
|
|
|
|
idx = 0;
|
|
|
|
while (this._ptr < str_end) {
|
|
buffer[idx + 1] = this.readU16();
|
|
buffer[idx] = this.readU16();
|
|
buffer[idx + 2] = this.readU16();
|
|
idx+=3;
|
|
}
|
|
}
|
|
|
|
// UVS
|
|
// -------------------
|
|
else if (str_type === 3) {
|
|
|
|
buffer = new Float32Array( ( str_len / 8 ) * 2 );
|
|
attrib = new THREE.BufferAttribute( buffer, 2 );
|
|
|
|
geom.addAttribute( 'uv', attrib );
|
|
idx = 0;
|
|
|
|
while (this._ptr < str_end) {
|
|
buffer[idx] = this.readF32();
|
|
buffer[idx + 1] = 1.0 - this.readF32();
|
|
idx+=2;
|
|
}
|
|
}
|
|
|
|
// NORMALS
|
|
else if (str_type === 4) {
|
|
|
|
buffer = new Float32Array( ( str_len / 12 ) * 3 );
|
|
attrib = new THREE.BufferAttribute( buffer, 3 );
|
|
geom.addAttribute( 'normal', attrib );
|
|
idx = 0;
|
|
|
|
while (this._ptr < str_end) {
|
|
buffer[idx] = -this.readF32();
|
|
buffer[idx + 1] = this.readF32();
|
|
buffer[idx + 2] = this.readF32();
|
|
idx+=3;
|
|
}
|
|
|
|
}
|
|
|
|
// else if (str_type == 6) {
|
|
// skinI = new Float32Array( str_len>>1 );
|
|
// idx = 0
|
|
|
|
// while (this._ptr < str_end) {
|
|
// skinI[idx] = this.readU16();
|
|
// idx++;
|
|
// }
|
|
|
|
// }
|
|
// else if (str_type == 7) {
|
|
// skinW = new Float32Array( str_len>>2 );
|
|
// idx = 0;
|
|
|
|
// while (this._ptr < str_end) {
|
|
// skinW[idx] = this.readF32();
|
|
// idx++;
|
|
// }
|
|
// }
|
|
else {
|
|
this._ptr = str_end;
|
|
}
|
|
|
|
|
|
|
|
}
|
|
|
|
this.parseUserAttributes();
|
|
|
|
|
|
geom.computeBoundingSphere();
|
|
subs_parsed ++;
|
|
}
|
|
|
|
|
|
//geom.computeFaceNormals();
|
|
|
|
|
|
this.parseUserAttributes();
|
|
//finalizeAsset(geom, name);
|
|
|
|
return geometries;
|
|
}
|
|
|
|
AWDLoader.prototype.parseMeshPoseAnimation = function(len, poseOnly)
|
|
{
|
|
var num_frames = 1,
|
|
num_submeshes,
|
|
frames_parsed,
|
|
subMeshParsed,
|
|
frame_dur,
|
|
x, y, z,
|
|
|
|
str_len,
|
|
str_end,
|
|
geom,
|
|
subGeom,
|
|
idx = 0,
|
|
clip = {},
|
|
indices,
|
|
verts,
|
|
num_Streams,
|
|
streamsParsed,
|
|
streamtypes = [],
|
|
|
|
props,
|
|
thisGeo,
|
|
name = this.readUTF(),
|
|
geoAdress = this.readU32();
|
|
|
|
|
|
var mesh = this.getBlock( geoAdress );
|
|
|
|
if (mesh == null) {
|
|
console.log( "parseMeshPoseAnimation target mesh not found at:", geoAdress );
|
|
return;
|
|
}
|
|
|
|
geom = mesh.geometry;
|
|
geom.morphTargets = [];
|
|
|
|
if (!poseOnly)
|
|
num_frames = this.readU16();
|
|
|
|
num_submeshes = this.readU16();
|
|
num_Streams = this.readU16();
|
|
|
|
// debug("VA num_frames : ", num_frames );
|
|
// debug("VA num_submeshes : ", num_submeshes );
|
|
// debug("VA numstreams : ", num_Streams );
|
|
|
|
streamsParsed = 0;
|
|
while (streamsParsed < num_Streams) {
|
|
streamtypes.push(this.readU16());
|
|
streamsParsed ++;
|
|
}
|
|
props = this.parseProperties({ 1:BOOL, 2:BOOL });
|
|
|
|
clip.looping = props.get(1, true);
|
|
clip.stitchFinalFrame = props.get(2, false);
|
|
|
|
frames_parsed = 0;
|
|
|
|
while (frames_parsed < num_frames) {
|
|
|
|
frame_dur = this.readU16();
|
|
subMeshParsed = 0;
|
|
|
|
while (subMeshParsed < num_submeshes) {
|
|
|
|
streamsParsed = 0;
|
|
str_len = this.readU32();
|
|
str_end = this._ptr + str_len;
|
|
|
|
while (streamsParsed < num_Streams) {
|
|
|
|
if (streamtypes[streamsParsed] == 1) {
|
|
|
|
//geom.addAttribute( 'morphTarget'+frames_parsed, Float32Array, str_len/12, 3 );
|
|
var buffer = new Float32Array(str_len / 4);
|
|
geom.morphTargets.push( {
|
|
array : buffer
|
|
});
|
|
|
|
//buffer = geom.attributes['morphTarget'+frames_parsed].array
|
|
idx = 0;
|
|
|
|
while ( this._ptr < str_end ) {
|
|
buffer[idx] = this.readF32();
|
|
buffer[idx + 1] = this.readF32();
|
|
buffer[idx + 2] = this.readF32();
|
|
idx += 3;
|
|
}
|
|
|
|
|
|
subMeshParsed ++;
|
|
} else
|
|
this._ptr = str_end;
|
|
streamsParsed ++;
|
|
}
|
|
}
|
|
|
|
|
|
frames_parsed ++;
|
|
}
|
|
this.parseUserAttributes();
|
|
|
|
return null;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
AWDLoader.prototype.getBlock = function ( id ) {
|
|
return this._blocks[id].data;
|
|
},
|
|
|
|
|
|
AWDLoader.prototype.parseMatrix4 = function ( ) {
|
|
var mtx = new THREE.Matrix4();
|
|
var e = mtx.elements;
|
|
|
|
e[0] = this.readF32();
|
|
e[1] = this.readF32();
|
|
e[2] = this.readF32();
|
|
e[3] = 0.0;
|
|
//e[3] = 0.0;
|
|
|
|
e[4] = this.readF32();
|
|
e[5] = this.readF32();
|
|
e[6] = this.readF32();
|
|
//e[7] = this.readF32();
|
|
e[7] = 0.0;
|
|
|
|
e[8] = this.readF32();
|
|
e[9] = this.readF32();
|
|
e[10] = this.readF32();
|
|
//e[11] = this.readF32();
|
|
e[11] = 0.0;
|
|
|
|
e[12] = -this.readF32();
|
|
e[13] = this.readF32();
|
|
e[14] = this.readF32();
|
|
//e[15] = this.readF32();
|
|
e[15] = 1.0;
|
|
return mtx;
|
|
}
|
|
|
|
|
|
AWDLoader.prototype.parseProperties = function ( expected ) {
|
|
var list_len = this.readU32();
|
|
var list_end = this._ptr + list_len;
|
|
|
|
var props = new AWDProperties();
|
|
|
|
if ( expected ) {
|
|
|
|
while ( this._ptr < list_end ) {
|
|
|
|
var key = this.readU16();
|
|
var len = this.readU32();
|
|
var type;
|
|
|
|
if ( expected.hasOwnProperty( key ) ) {
|
|
type = expected[ key ];
|
|
props.set( key, this.parseAttrValue( type, len ) );
|
|
} else {
|
|
this._ptr += len;
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
return props;
|
|
|
|
};
|
|
|
|
|
|
AWDLoader.prototype.parseUserAttributes = function ( ) {
|
|
// skip for now
|
|
this._ptr = this.readU32() + this._ptr;
|
|
return null;
|
|
};
|
|
|
|
|
|
AWDLoader.prototype.parseAttrValue = function ( type, len ) {
|
|
|
|
var elem_len;
|
|
var read_func;
|
|
|
|
switch (type) {
|
|
case AWD_FIELD_INT8:
|
|
elem_len = 1;
|
|
read_func = this.readI8;
|
|
break;
|
|
case AWD_FIELD_INT16:
|
|
elem_len = 2;
|
|
read_func = this.readI16;
|
|
break;
|
|
case AWD_FIELD_INT32:
|
|
elem_len = 4;
|
|
read_func = this.readI32;
|
|
break;
|
|
case AWD_FIELD_BOOL:
|
|
case AWD_FIELD_UINT8:
|
|
elem_len = 1;
|
|
read_func = this.readU8;
|
|
break;
|
|
case AWD_FIELD_UINT16:
|
|
elem_len = 2;
|
|
read_func = this.readU16;
|
|
break;
|
|
case AWD_FIELD_UINT32:
|
|
case AWD_FIELD_BADDR:
|
|
elem_len = 4;
|
|
read_func = this.readU32;
|
|
break;
|
|
case AWD_FIELD_FLOAT32:
|
|
elem_len = 4;
|
|
read_func = this.readF32;
|
|
break;
|
|
case AWD_FIELD_FLOAT64:
|
|
elem_len = 8;
|
|
read_func = this.readF64;
|
|
break;
|
|
case AWD_FIELD_VECTOR2x1:
|
|
case AWD_FIELD_VECTOR3x1:
|
|
case AWD_FIELD_VECTOR4x1:
|
|
case AWD_FIELD_MTX3x2:
|
|
case AWD_FIELD_MTX3x3:
|
|
case AWD_FIELD_MTX4x3:
|
|
case AWD_FIELD_MTX4x4:
|
|
elem_len = 8;
|
|
read_func = this.readF64;
|
|
break;
|
|
}
|
|
|
|
if (elem_len < len) {
|
|
var list;
|
|
var num_read;
|
|
var num_elems;
|
|
|
|
list = [];
|
|
num_read = 0;
|
|
num_elems = len / elem_len;
|
|
|
|
while (num_read < num_elems) {
|
|
list.push(read_func.call( this ) );
|
|
num_read ++;
|
|
}
|
|
|
|
return list;
|
|
}
|
|
else {
|
|
return read_func.call( this );
|
|
}
|
|
|
|
}
|
|
|
|
|
|
AWDLoader.prototype.readU8 = function () {
|
|
return this._data.getUint8( this._ptr ++ );
|
|
}
|
|
AWDLoader.prototype.readI8 = function () {
|
|
return this._data.getInt8( this._ptr ++ );
|
|
}
|
|
|
|
AWDLoader.prototype.readU16 = function () {
|
|
var a = this._data.getUint16( this._ptr, littleEndian );
|
|
this._ptr += 2;
|
|
return a;
|
|
}
|
|
AWDLoader.prototype.readI16 = function () {
|
|
var a = this._data.getInt16( this._ptr, littleEndian );
|
|
this._ptr += 2;
|
|
return a;
|
|
}
|
|
|
|
AWDLoader.prototype.readU32 = function () {
|
|
var a = this._data.getUint32( this._ptr, littleEndian );
|
|
this._ptr += 4;
|
|
return a;
|
|
}
|
|
AWDLoader.prototype.readI32 = function () {
|
|
var a = this._data.getInt32( this._ptr, littleEndian );
|
|
this._ptr += 4;
|
|
return a;
|
|
}
|
|
AWDLoader.prototype.readF32 = function () {
|
|
var a = this._data.getFloat32( this._ptr, littleEndian );
|
|
this._ptr += 4;
|
|
return a;
|
|
}
|
|
AWDLoader.prototype.readF64 = function () {
|
|
var a = this._data.getFloat64( this._ptr, littleEndian );
|
|
this._ptr += 8;
|
|
return a;
|
|
}
|
|
|
|
|
|
/**
|
|
* Converts a UTF-8 byte array to JavaScript's 16-bit Unicode.
|
|
* @param {Array.<number>} bytes UTF-8 byte array.
|
|
* @return {string} 16-bit Unicode string.
|
|
*/
|
|
AWDLoader.prototype.readUTF = function () {
|
|
var len = this.readU16();
|
|
|
|
return this.readUTFBytes( len );
|
|
};
|
|
|
|
/**
|
|
* Converts a UTF-8 byte array to JavaScript's 16-bit Unicode.
|
|
* @param {Array.<number>} bytes UTF-8 byte array.
|
|
* @return {string} 16-bit Unicode string.
|
|
*/
|
|
AWDLoader.prototype.readUTFBytes = function ( len ) {
|
|
|
|
|
|
// TODO(user): Use native implementations if/when available
|
|
|
|
var out = [], c = 0;
|
|
|
|
while ( out.length < len ) {
|
|
var c1 = this._data.getUint8( this._ptr ++, littleEndian );
|
|
if (c1 < 128) {
|
|
out[c ++] = String.fromCharCode(c1);
|
|
} else if (c1 > 191 && c1 < 224) {
|
|
var c2 = this._data.getUint8( this._ptr ++, littleEndian );
|
|
out[c ++] = String.fromCharCode((c1 & 31) << 6 | c2 & 63);
|
|
} else {
|
|
var c2 = this._data.getUint8( this._ptr ++, littleEndian );
|
|
var c3 = this._data.getUint8( this._ptr ++, littleEndian );
|
|
out[c ++] = String.fromCharCode(
|
|
(c1 & 15) << 12 | (c2 & 63) << 6 | c3 & 63
|
|
);
|
|
}
|
|
}
|
|
return out.join('');
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
AWDProperties = function() {}
|
|
|
|
AWDProperties.prototype = {
|
|
|
|
|
|
set : function(key, value)
|
|
{
|
|
this[key] = value;
|
|
},
|
|
|
|
get : function(key, fallback)
|
|
{
|
|
if ( this.hasOwnProperty(key) )
|
|
return this[key];
|
|
else return fallback;
|
|
}
|
|
}
|
|
|
|
return AWDLoader;
|
|
|
|
})();
|