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							- import {
 
- 	AdditiveBlending,
 
- 	BufferGeometry,
 
- 	Color,
 
- 	DoubleSide,
 
- 	FileLoader,
 
- 	Float32BufferAttribute,
 
- 	Group,
 
- 	Loader,
 
- 	LoaderUtils,
 
- 	Matrix4,
 
- 	Mesh,
 
- 	MeshPhongMaterial,
 
- 	TextureLoader
 
- } from '../../../build/three.module.js';
 
- /**
 
-  * Autodesk 3DS three.js file loader, based on lib3ds.
 
-  *
 
-  * Loads geometry with uv and materials basic properties with texture support.
 
-  *
 
-  * @class TDSLoader
 
-  * @constructor
 
-  */
 
- class TDSLoader extends Loader {
 
- 	constructor( manager ) {
 
- 		super( manager );
 
- 		this.debug = false;
 
- 		this.group = null;
 
- 		this.materials = [];
 
- 		this.meshes = [];
 
- 	}
 
- 	/**
 
- 	 * Load 3ds file from url.
 
- 	 *
 
- 	 * @method load
 
- 	 * @param {[type]} url URL for the file.
 
- 	 * @param {Function} onLoad onLoad callback, receives group Object3D as argument.
 
- 	 * @param {Function} onProgress onProgress callback.
 
- 	 * @param {Function} onError onError callback.
 
- 	 */
 
- 	load( url, onLoad, onProgress, onError ) {
 
- 		const scope = this;
 
- 		const path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path;
 
- 		const loader = new FileLoader( this.manager );
 
- 		loader.setPath( this.path );
 
- 		loader.setResponseType( 'arraybuffer' );
 
- 		loader.setRequestHeader( this.requestHeader );
 
- 		loader.setWithCredentials( this.withCredentials );
 
- 		loader.load( url, function ( data ) {
 
- 			try {
 
- 				onLoad( scope.parse( data, path ) );
 
- 			} catch ( e ) {
 
- 				if ( onError ) {
 
- 					onError( e );
 
- 				} else {
 
- 					console.error( e );
 
- 				}
 
- 				scope.manager.itemError( url );
 
- 			}
 
- 		}, onProgress, onError );
 
- 	}
 
- 	/**
 
- 	 * Parse arraybuffer data and load 3ds file.
 
- 	 *
 
- 	 * @method parse
 
- 	 * @param {ArrayBuffer} arraybuffer Arraybuffer data to be loaded.
 
- 	 * @param {String} path Path for external resources.
 
- 	 * @return {Group} Group loaded from 3ds file.
 
- 	 */
 
- 	parse( arraybuffer, path ) {
 
- 		this.group = new Group();
 
- 		this.materials = [];
 
- 		this.meshes = [];
 
- 		this.readFile( arraybuffer, path );
 
- 		for ( let i = 0; i < this.meshes.length; i ++ ) {
 
- 			this.group.add( this.meshes[ i ] );
 
- 		}
 
- 		return this.group;
 
- 	}
 
- 	/**
 
- 	 * Decode file content to read 3ds data.
 
- 	 *
 
- 	 * @method readFile
 
- 	 * @param {ArrayBuffer} arraybuffer Arraybuffer data to be loaded.
 
- 	 * @param {String} path Path for external resources.
 
- 	 */
 
- 	readFile( arraybuffer, path ) {
 
- 		const data = new DataView( arraybuffer );
 
- 		const chunk = new Chunk( data, 0, this.debugMessage );
 
- 		if ( chunk.id === MLIBMAGIC || chunk.id === CMAGIC || chunk.id === M3DMAGIC ) {
 
- 			let next = chunk.readChunk();
 
- 			while ( next ) {
 
- 				if ( next.id === M3D_VERSION ) {
 
- 					const version = next.readDWord();
 
- 					this.debugMessage( '3DS file version: ' + version );
 
- 				} else if ( next.id === MDATA ) {
 
- 					this.readMeshData( next, path );
 
- 				} else {
 
- 					this.debugMessage( 'Unknown main chunk: ' + next.hexId);
 
- 				}
 
- 				next = chunk.readChunk();
 
- 			}
 
- 		}
 
- 		this.debugMessage( 'Parsed ' + this.meshes.length + ' meshes' );
 
- 	}
 
- 	/**
 
- 	 * Read mesh data chunk.
 
- 	 *
 
- 	 * @method readMeshData
 
- 	 * @param {Chunk} chunk to read mesh from
 
- 	 * @param {String} path Path for external resources.
 
- 	 */
 
- 	readMeshData( chunk, path ) {
 
- 		let next = chunk.readChunk();
 
- 		while ( next ) {
 
- 			if ( next.id === MESH_VERSION ) {
 
- 				const version = + next.readDWord();
 
- 				this.debugMessage( 'Mesh Version: ' + version );
 
- 			} else if ( next.id === MASTER_SCALE ) {
 
- 				const scale = next.readFloat();
 
- 				this.debugMessage( 'Master scale: ' + scale );
 
- 				this.group.scale.set( scale, scale, scale );
 
- 			} else if ( next.id === NAMED_OBJECT ) {
 
- 				this.debugMessage( 'Named Object' );
 
- 				this.readNamedObject( next );
 
- 			} else if ( next.id === MAT_ENTRY ) {
 
- 				this.debugMessage( 'Material' );
 
- 				this.readMaterialEntry( next, path );
 
- 			} else {
 
- 				this.debugMessage( 'Unknown MDATA chunk: ' + next.hexId );
 
- 			}
 
- 			next = chunk.readChunk();
 
- 		}
 
- 	}
 
- 	/**
 
- 	 * Read named object chunk.
 
- 	 *
 
- 	 * @method readNamedObject
 
- 	 * @param {Chunk} chunk Chunk in use.
 
- 	 */
 
- 	readNamedObject( chunk ) {
 
- 		const name = chunk.readString();
 
- 		let next = chunk.readChunk();
 
- 		while ( next ) {
 
- 			if ( next.id === N_TRI_OBJECT ) {
 
- 				const mesh = this.readMesh( next );
 
- 				mesh.name = name;
 
- 				this.meshes.push( mesh );
 
- 			} else {
 
- 				this.debugMessage( 'Unknown named object chunk: ' + next.hexId );
 
- 			}
 
- 			next = chunk.readChunk( );
 
- 		}
 
- 	}
 
- 	/**
 
- 	 * Read material data chunk and add it to the material list.
 
- 	 *
 
- 	 * @method readMaterialEntry
 
- 	 * @param {Chunk} chunk Chunk in use.
 
- 	 * @param {String} path Path for external resources.
 
- 	 */
 
- 	readMaterialEntry( chunk, path ) {
 
- 		let next = chunk.readChunk();
 
- 		let material = new MeshPhongMaterial();
 
- 		while ( next ) {
 
- 			if ( next.id === MAT_NAME ) {
 
- 				material.name = next.readString();
 
- 				this.debugMessage( '   Name: ' + material.name );
 
- 			} else if ( next.id === MAT_WIRE ) {
 
- 				this.debugMessage( '   Wireframe' );
 
- 				material.wireframe = true;
 
- 			} else if ( next.id === MAT_WIRE_SIZE ) {
 
- 				const value = next.readByte();
 
- 				material.wireframeLinewidth = value;
 
- 				this.debugMessage( '   Wireframe Thickness: ' + value );
 
- 			} else if ( next.id === MAT_TWO_SIDE ) {
 
- 				material.side = DoubleSide;
 
- 				this.debugMessage( '   DoubleSided' );
 
- 			} else if ( next.id === MAT_ADDITIVE ) {
 
- 				this.debugMessage( '   Additive Blending' );
 
- 				material.blending = AdditiveBlending;
 
- 			} else if ( next.id === MAT_DIFFUSE ) {
 
- 				this.debugMessage( '   Diffuse Color' );
 
- 				material.color = this.readColor( next );
 
- 			} else if ( next.id === MAT_SPECULAR ) {
 
- 				this.debugMessage( '   Specular Color' );
 
- 				material.specular = this.readColor( next );
 
- 			} else if ( next.id === MAT_AMBIENT ) {
 
- 				this.debugMessage( '   Ambient color' );
 
- 				material.color = this.readColor( next );
 
- 			} else if ( next.id === MAT_SHININESS ) {
 
- 				const shininess = this.readPercentage( next );
 
- 				material.shininess = shininess * 100;
 
- 				this.debugMessage( '   Shininess : ' + shininess );
 
- 			} else if ( next.id === MAT_TRANSPARENCY ) {
 
- 				const transparency = this.readPercentage( next );
 
- 				material.opacity = 1 - transparency;
 
- 				this.debugMessage( '  Transparency : ' + transparency );
 
- 				material.transparent = material.opacity < 1 ? true : false;
 
- 			} else if ( next.id === MAT_TEXMAP ) {
 
- 				this.debugMessage( '   ColorMap' );
 
- 				material.map = this.readMap( next, path );
 
- 			} else if ( next.id === MAT_BUMPMAP ) {
 
- 				this.debugMessage( '   BumpMap' );
 
- 				material.bumpMap = this.readMap( next, path );
 
- 			} else if ( next.id === MAT_OPACMAP ) {
 
- 				this.debugMessage( '   OpacityMap' );
 
- 				material.alphaMap = this.readMap( next, path );
 
- 			} else if ( next.id === MAT_SPECMAP ) {
 
- 				this.debugMessage( '   SpecularMap' );
 
- 				material.specularMap = this.readMap( next, path );
 
- 			} else {
 
- 				this.debugMessage( '   Unknown material chunk: ' + next.hexId );
 
- 			}
 
- 			next = chunk.readChunk();
 
- 		}
 
- 		this.materials[ material.name ] = material;
 
- 	}
 
- 	/**
 
- 	 * Read mesh data chunk.
 
- 	 *
 
- 	 * @method readMesh
 
- 	 * @param {Chunk} chunk Chunk in use.
 
- 	 * @return {Mesh} The parsed mesh.
 
- 	 */
 
- 	readMesh( chunk ) {
 
- 		let next = chunk.readChunk( );
 
- 		const geometry = new BufferGeometry();
 
- 		const material = new MeshPhongMaterial();
 
- 		const mesh = new Mesh( geometry, material );
 
- 		mesh.name = 'mesh';
 
- 		while ( next ) {
 
- 			if ( next.id === POINT_ARRAY ) {
 
- 				const points = next.readWord( );
 
- 				this.debugMessage( '   Vertex: ' + points );
 
- 				//BufferGeometry
 
- 				const vertices = [];
 
- 				for ( let i = 0; i < points; i ++ )		{
 
- 					vertices.push( next.readFloat( ) );
 
- 					vertices.push( next.readFloat( ) );
 
- 					vertices.push( next.readFloat( ) );
 
- 				}
 
- 				geometry.setAttribute( 'position', new Float32BufferAttribute( vertices, 3 ) );
 
- 			} else if ( next.id === FACE_ARRAY ) {
 
- 				this.readFaceArray( next, mesh );
 
- 			} else if ( next.id === TEX_VERTS ) {
 
- 				const texels = next.readWord( );
 
- 				this.debugMessage( '   UV: ' + texels );
 
- 				//BufferGeometry
 
- 				const uvs = [];
 
- 				for ( let i = 0; i < texels; i ++ ) {
 
- 					uvs.push( next.readFloat( ) );
 
- 					uvs.push( next.readFloat( ) );
 
- 				}
 
- 				geometry.setAttribute( 'uv', new Float32BufferAttribute( uvs, 2 ) );
 
- 			} else if ( next.id === MESH_MATRIX ) {
 
- 				this.debugMessage( '   Tranformation Matrix (TODO)' );
 
- 				const values = [];
 
- 				for ( let i = 0; i < 12; i ++ ) {
 
- 					values[ i ] = next.readFloat( );
 
- 				}
 
- 				const matrix = new Matrix4();
 
- 				//X Line
 
- 				matrix.elements[ 0 ] = values[ 0 ];
 
- 				matrix.elements[ 1 ] = values[ 6 ];
 
- 				matrix.elements[ 2 ] = values[ 3 ];
 
- 				matrix.elements[ 3 ] = values[ 9 ];
 
- 				//Y Line
 
- 				matrix.elements[ 4 ] = values[ 2 ];
 
- 				matrix.elements[ 5 ] = values[ 8 ];
 
- 				matrix.elements[ 6 ] = values[ 5 ];
 
- 				matrix.elements[ 7 ] = values[ 11 ];
 
- 				//Z Line
 
- 				matrix.elements[ 8 ] = values[ 1 ];
 
- 				matrix.elements[ 9 ] = values[ 7 ];
 
- 				matrix.elements[ 10 ] = values[ 4 ];
 
- 				matrix.elements[ 11 ] = values[ 10 ];
 
- 				//W Line
 
- 				matrix.elements[ 12 ] = 0;
 
- 				matrix.elements[ 13 ] = 0;
 
- 				matrix.elements[ 14 ] = 0;
 
- 				matrix.elements[ 15 ] = 1;
 
- 				matrix.transpose();
 
- 				const inverse = new Matrix4();
 
- 				inverse.copy( matrix ).invert();
 
- 				geometry.applyMatrix4( inverse );
 
- 				matrix.decompose( mesh.position, mesh.quaternion, mesh.scale );
 
- 			} else {
 
- 				this.debugMessage( '   Unknown mesh chunk: ' + next.hexId );
 
- 			}
 
- 			next = chunk.readChunk( );
 
- 		}
 
- 		geometry.computeVertexNormals();
 
- 		return mesh;
 
- 	}
 
- 	/**
 
- 	 * Read face array data chunk.
 
- 	 *
 
- 	 * @method readFaceArray
 
- 	 * @param {Chunk} chunk Chunk in use.
 
- 	 * @param {Mesh} mesh Mesh to be filled with the data read.
 
- 	 */
 
- 	readFaceArray( chunk, mesh ) {
 
- 		const faces = chunk.readWord( );
 
- 		this.debugMessage( '   Faces: ' + faces );
 
- 		const index = [];
 
- 		for ( let i = 0; i < faces; ++ i ) {
 
- 			index.push( chunk.readWord( ), chunk.readWord( ), chunk.readWord( ) );
 
- 			chunk.readWord( ); // visibility
 
- 		}
 
- 		mesh.geometry.setIndex( index );
 
- 		//The rest of the FACE_ARRAY chunk is subchunks
 
- 		let materialIndex = 0;
 
- 		let start = 0;
 
- 		while ( !chunk.endOfChunk ) {
 
- 			const subchunk = chunk.readChunk( );
 
- 			if ( subchunk.id === MSH_MAT_GROUP ) {
 
- 				this.debugMessage( '      Material Group' );
 
- 				const group = this.readMaterialGroup( subchunk );
 
- 				const count = group.index.length * 3; // assuming successive indices
 
- 				mesh.geometry.addGroup( start, count, materialIndex );
 
- 				start += count;
 
- 				materialIndex ++;
 
- 				const material = this.materials[ group.name ];
 
- 				if ( Array.isArray( mesh.material ) === false ) mesh.material = [];
 
- 				if ( material !== undefined )	{
 
- 					mesh.material.push( material );
 
- 				}
 
- 			} else {
 
- 				this.debugMessage( '      Unknown face array chunk: ' + subchunk.hexId );
 
- 			}
 
- 		}
 
- 		if ( mesh.material.length === 1 ) mesh.material = mesh.material[ 0 ]; // for backwards compatibility
 
- 	}
 
- 	/**
 
- 	 * Read texture map data chunk.
 
- 	 *
 
- 	 * @method readMap
 
- 	 * @param {Chunk} chunk Chunk in use.
 
- 	 * @param {String} path Path for external resources.
 
- 	 * @return {Texture} Texture read from this data chunk.
 
- 	 */
 
- 	readMap( chunk, path ) {
 
- 		let next = chunk.readChunk( );
 
- 		let texture = {};
 
- 		const loader = new TextureLoader( this.manager );
 
- 		loader.setPath( this.resourcePath || path ).setCrossOrigin( this.crossOrigin );
 
- 		while ( next ) {
 
- 			if ( next.id === MAT_MAPNAME ) {
 
- 				const name = next.readString();
 
- 				texture = loader.load( name );
 
- 				this.debugMessage( '      File: ' + path + name );
 
- 			} else if ( next.id === MAT_MAP_UOFFSET ) {
 
- 				texture.offset.x = next.readFloat( );
 
- 				this.debugMessage( '      OffsetX: ' + texture.offset.x );
 
- 			} else if ( next.id === MAT_MAP_VOFFSET ) {
 
- 				texture.offset.y = next.readFloat( );
 
- 				this.debugMessage( '      OffsetY: ' + texture.offset.y );
 
- 			} else if ( next.id === MAT_MAP_USCALE ) {
 
- 				texture.repeat.x = next.readFloat( );
 
- 				this.debugMessage( '      RepeatX: ' + texture.repeat.x );
 
- 			} else if ( next.id === MAT_MAP_VSCALE ) {
 
- 				texture.repeat.y = next.readFloat( );
 
- 				this.debugMessage( '      RepeatY: ' + texture.repeat.y );
 
- 			} else {
 
- 				this.debugMessage( '      Unknown map chunk: ' + next.hexId );
 
- 			}
 
- 			next = chunk.readChunk( );
 
- 		}
 
- 		return texture;
 
- 	}
 
- 	/**
 
- 	 * Read material group data chunk.
 
- 	 *
 
- 	 * @method readMaterialGroup
 
- 	 * @param {Chunk} chunk Chunk in use.
 
- 	 * @return {Object} Object with name and index of the object.
 
- 	 */
 
- 	readMaterialGroup( chunk ) {
 
- 		const name = chunk.readString();
 
- 		const numFaces = chunk.readWord();
 
- 		this.debugMessage( '         Name: ' + name );
 
- 		this.debugMessage( '         Faces: ' + numFaces );
 
- 		const index = [];
 
- 		for ( let i = 0; i < numFaces; ++ i ) {
 
- 			index.push( chunk.readWord( ) );
 
- 		}
 
- 		return { name: name, index: index };
 
- 	}
 
- 	/**
 
- 	 * Read a color value.
 
- 	 *
 
- 	 * @method readColor
 
- 	 * @param {Chunk} chunk Chunk.
 
- 	 * @return {Color} Color value read..
 
- 	 */
 
- 	readColor( chunk ) {
 
- 		const subChunk = chunk.readChunk( );
 
- 		const color = new Color();
 
- 		if ( subChunk.id === COLOR_24 || subChunk.id === LIN_COLOR_24 ) {
 
- 			const r = subChunk.readByte( );
 
- 			const g = subChunk.readByte( );
 
- 			const b = subChunk.readByte( );
 
- 			color.setRGB( r / 255, g / 255, b / 255 );
 
- 			this.debugMessage( '      Color: ' + color.r + ', ' + color.g + ', ' + color.b );
 
- 		}	else if ( subChunk.id === COLOR_F || subChunk.id === LIN_COLOR_F ) {
 
- 			const r = subChunk.readFloat( );
 
- 			const g = subChunk.readFloat( );
 
- 			const b = subChunk.readFloat( );
 
- 			color.setRGB( r, g, b );
 
- 			this.debugMessage( '      Color: ' + color.r + ', ' + color.g + ', ' + color.b );
 
- 		}	else {
 
- 			this.debugMessage( '      Unknown color chunk: ' + subChunk.hexId );
 
- 		}
 
- 		return color;
 
- 	}
 
- 	/**
 
- 	 * Read percentage value.
 
- 	 *
 
- 	 * @method readPercentage
 
- 	 * @param {Chunk} chunk Chunk to read data from.
 
- 	 * @return {Number} Data read from the dataview.
 
- 	 */
 
- 	readPercentage( chunk ) {
 
- 		const subChunk = chunk.readChunk( );
 
- 		switch ( subChunk.id ) {
 
- 			case INT_PERCENTAGE:
 
- 				return ( subChunk.readShort( ) / 100 );
 
- 				break;
 
- 			case FLOAT_PERCENTAGE:
 
- 				return subChunk.readFloat( );
 
- 				break;
 
- 			default:
 
- 				this.debugMessage( '      Unknown percentage chunk: ' + subChunk.hexId );
 
- 				return 0;
 
- 		}
 
- 	}
 
- 	/**
 
- 	 * Print debug message to the console.
 
- 	 *
 
- 	 * Is controlled by a flag to show or hide debug messages.
 
- 	 *
 
- 	 * @method debugMessage
 
- 	 * @param {Object} message Debug message to print to the console.
 
- 	 */
 
- 	debugMessage( message ) {
 
- 		if ( this.debug ) {
 
- 			console.log( message );
 
- 		}
 
- 	}
 
- }
 
- /** Read data/sub-chunks from chunk */
 
- class Chunk {
 
- 	/**
 
- 	 * Create a new chunk
 
- 	 *
 
- 	 * @class Chunk
 
- 	 * @param {DataView} data DataView to read from.
 
- 	 * @param {Number} position in data.
 
- 	 * @param {Function} debugMessage logging callback.
 
- 	 */
 
- 	constructor(data, position, debugMessage) {
 
- 		this.data = data;
 
- 		// the offset to the begin of this chunk
 
- 		this.offset = position;
 
- 		// the current reading position
 
- 		this.position = position;
 
- 		this.debugMessage = debugMessage;
 
- 		if (this.debugMessage instanceof Function) {
 
- 			this.debugMessage = function() {};
 
- 		}
 
- 		this.id = this.readWord();
 
- 		this.size = this.readDWord();
 
- 		this.end = this.offset + this.size;
 
- 		if (this.end > data.byteLength) {
 
- 			this.debugMessage( 'Bad chunk size for chunk at ' + position );
 
- 		}
 
- 	}
 
- 	/**
 
- 	 * read a sub cchunk.
 
- 	 *
 
- 	 * @method readChunk
 
- 	 * @return {Chunk | null} next sub chunk
 
- 	 */
 
- 	readChunk () {
 
- 		if ( this.endOfChunk ) {
 
- 			return null;
 
- 		}
 
- 		try {
 
- 			let next = new Chunk( this.data, this.position, this.debugMessage );
 
- 			this.position += next.size;
 
- 			return next;
 
- 		}	catch ( e ) {
 
- 			this.debugMessage( 'Unable to read chunk at ' + this.position );
 
- 			return null;
 
- 		}
 
- 	}
 
- 	/**
 
- 	 * return the ID of this chunk as Hex
 
- 	 *
 
- 	 * @method idToString
 
- 	 * @return {String} hex-string of id
 
- 	 */
 
- 	get hexId() {
 
- 		return this.id.toString( 16 );
 
- 	}
 
- 	get endOfChunk() {
 
- 		return this.position >= this.end;
 
- 	}
 
- 	/**
 
- 	 * Read byte value.
 
- 	 *
 
- 	 * @method readByte
 
- 	 * @return {Number} Data read from the dataview.
 
- 	 */
 
- 	readByte() {
 
- 		const v = this.data.getUint8( this.position, true );
 
- 		this.position += 1;
 
- 		return v;
 
- 	}
 
- 	/**
 
- 	 * Read 32 bit float value.
 
- 	 *
 
- 	 * @method readFloat
 
- 	 * @return {Number} Data read from the dataview.
 
- 	 */
 
- 	readFloat() {
 
- 		try {
 
- 			const v = this.data.getFloat32( this.position, true );
 
- 			this.position += 4;
 
- 			return v;
 
- 		}	catch ( e ) {
 
- 			this.debugMessage( e + ' ' + this.position + ' ' + this.data.byteLength );
 
- 			return 0;
 
- 		}
 
- 	}
 
- 	/**
 
- 	 * Read 32 bit signed integer value.
 
- 	 *
 
- 	 * @method readInt
 
- 	 * @return {Number} Data read from the dataview.
 
- 	 */
 
- 	readInt() {
 
- 		const v = this.data.getInt32( this.position, true );
 
- 		this.position += 4;
 
- 		return v;
 
- 	}
 
- 	/**
 
- 	 * Read 16 bit signed integer value.
 
- 	 *
 
- 	 * @method readShort
 
- 	 * @return {Number} Data read from the dataview.
 
- 	 */
 
- 	readShort() {
 
- 		const v = this.data.getInt16( this.position, true );
 
- 		this.position += 2;
 
- 		return v;
 
- 	}
 
- 	/**
 
- 	 * Read 64 bit unsigned integer value.
 
- 	 *
 
- 	 * @method readDWord
 
- 	 * @return {Number} Data read from the dataview.
 
- 	 */
 
- 	readDWord() {
 
- 		const v = this.data.getUint32( this.position, true );
 
- 		this.position += 4;
 
- 		return v;
 
- 	}
 
- 	/**
 
- 	 * Read 32 bit unsigned integer value.
 
- 	 *
 
- 	 * @method readWord
 
- 	 * @return {Number} Data read from the dataview.
 
- 	 */
 
- 	readWord() {
 
- 		const v = this.data.getUint16( this.position, true );
 
- 		this.position += 2;
 
- 		return v;
 
- 	}
 
- 	/**
 
- 	 * Read NULL terminated ASCII string value from chunk-pos.
 
- 	 *
 
- 	 * @method readString
 
- 	 * @return {String} Data read from the dataview.
 
- 	 */
 
- 	readString() {
 
- 		let s = '';
 
- 		let c = this.readByte();
 
- 		while ( c ) {
 
- 			s += String.fromCharCode( c );
 
- 			c = this.readByte();
 
- 		}
 
- 		return s;
 
- 	}
 
- }
 
- // const NULL_CHUNK = 0x0000;
 
- const M3DMAGIC = 0x4D4D;
 
- // const SMAGIC = 0x2D2D;
 
- // const LMAGIC = 0x2D3D;
 
- const MLIBMAGIC = 0x3DAA;
 
- // const MATMAGIC = 0x3DFF;
 
- const CMAGIC = 0xC23D;
 
- const M3D_VERSION = 0x0002;
 
- // const M3D_KFVERSION = 0x0005;
 
- const COLOR_F = 0x0010;
 
- const COLOR_24 = 0x0011;
 
- const LIN_COLOR_24 = 0x0012;
 
- const LIN_COLOR_F = 0x0013;
 
- const INT_PERCENTAGE = 0x0030;
 
- const FLOAT_PERCENTAGE = 0x0031;
 
- const MDATA = 0x3D3D;
 
- const MESH_VERSION = 0x3D3E;
 
- const MASTER_SCALE = 0x0100;
 
- // const LO_SHADOW_BIAS = 0x1400;
 
- // const HI_SHADOW_BIAS = 0x1410;
 
- // const SHADOW_MAP_SIZE = 0x1420;
 
- // const SHADOW_SAMPLES = 0x1430;
 
- // const SHADOW_RANGE = 0x1440;
 
- // const SHADOW_FILTER = 0x1450;
 
- // const RAY_BIAS = 0x1460;
 
- // const O_CONSTS = 0x1500;
 
- // const AMBIENT_LIGHT = 0x2100;
 
- // const BIT_MAP = 0x1100;
 
- // const SOLID_BGND = 0x1200;
 
- // const V_GRADIENT = 0x1300;
 
- // const USE_BIT_MAP = 0x1101;
 
- // const USE_SOLID_BGND = 0x1201;
 
- // const USE_V_GRADIENT = 0x1301;
 
- // const FOG = 0x2200;
 
- // const FOG_BGND = 0x2210;
 
- // const LAYER_FOG = 0x2302;
 
- // const DISTANCE_CUE = 0x2300;
 
- // const DCUE_BGND = 0x2310;
 
- // const USE_FOG = 0x2201;
 
- // const USE_LAYER_FOG = 0x2303;
 
- // const USE_DISTANCE_CUE = 0x2301;
 
- const MAT_ENTRY = 0xAFFF;
 
- const MAT_NAME = 0xA000;
 
- const MAT_AMBIENT = 0xA010;
 
- const MAT_DIFFUSE = 0xA020;
 
- const MAT_SPECULAR = 0xA030;
 
- const MAT_SHININESS = 0xA040;
 
- // const MAT_SHIN2PCT = 0xA041;
 
- const MAT_TRANSPARENCY = 0xA050;
 
- // const MAT_XPFALL = 0xA052;
 
- // const MAT_USE_XPFALL = 0xA240;
 
- // const MAT_REFBLUR = 0xA053;
 
- // const MAT_SHADING = 0xA100;
 
- // const MAT_USE_REFBLUR = 0xA250;
 
- // const MAT_SELF_ILLUM = 0xA084;
 
- const MAT_TWO_SIDE = 0xA081;
 
- // const MAT_DECAL = 0xA082;
 
- const MAT_ADDITIVE = 0xA083;
 
- const MAT_WIRE = 0xA085;
 
- // const MAT_FACEMAP = 0xA088;
 
- // const MAT_TRANSFALLOFF_IN = 0xA08A;
 
- // const MAT_PHONGSOFT = 0xA08C;
 
- // const MAT_WIREABS = 0xA08E;
 
- const MAT_WIRE_SIZE = 0xA087;
 
- const MAT_TEXMAP = 0xA200;
 
- // const MAT_SXP_TEXT_DATA = 0xA320;
 
- // const MAT_TEXMASK = 0xA33E;
 
- // const MAT_SXP_TEXTMASK_DATA = 0xA32A;
 
- // const MAT_TEX2MAP = 0xA33A;
 
- // const MAT_SXP_TEXT2_DATA = 0xA321;
 
- // const MAT_TEX2MASK = 0xA340;
 
- // const MAT_SXP_TEXT2MASK_DATA = 0xA32C;
 
- const MAT_OPACMAP = 0xA210;
 
- // const MAT_SXP_OPAC_DATA = 0xA322;
 
- // const MAT_OPACMASK = 0xA342;
 
- // const MAT_SXP_OPACMASK_DATA = 0xA32E;
 
- const MAT_BUMPMAP = 0xA230;
 
- // const MAT_SXP_BUMP_DATA = 0xA324;
 
- // const MAT_BUMPMASK = 0xA344;
 
- // const MAT_SXP_BUMPMASK_DATA = 0xA330;
 
- const MAT_SPECMAP = 0xA204;
 
- // const MAT_SXP_SPEC_DATA = 0xA325;
 
- // const MAT_SPECMASK = 0xA348;
 
- // const MAT_SXP_SPECMASK_DATA = 0xA332;
 
- // const MAT_SHINMAP = 0xA33C;
 
- // const MAT_SXP_SHIN_DATA = 0xA326;
 
- // const MAT_SHINMASK = 0xA346;
 
- // const MAT_SXP_SHINMASK_DATA = 0xA334;
 
- // const MAT_SELFIMAP = 0xA33D;
 
- // const MAT_SXP_SELFI_DATA = 0xA328;
 
- // const MAT_SELFIMASK = 0xA34A;
 
- // const MAT_SXP_SELFIMASK_DATA = 0xA336;
 
- // const MAT_REFLMAP = 0xA220;
 
- // const MAT_REFLMASK = 0xA34C;
 
- // const MAT_SXP_REFLMASK_DATA = 0xA338;
 
- // const MAT_ACUBIC = 0xA310;
 
- const MAT_MAPNAME = 0xA300;
 
- // const MAT_MAP_TILING = 0xA351;
 
- // const MAT_MAP_TEXBLUR = 0xA353;
 
- const MAT_MAP_USCALE = 0xA354;
 
- const MAT_MAP_VSCALE = 0xA356;
 
- const MAT_MAP_UOFFSET = 0xA358;
 
- const MAT_MAP_VOFFSET = 0xA35A;
 
- // const MAT_MAP_ANG = 0xA35C;
 
- // const MAT_MAP_COL1 = 0xA360;
 
- // const MAT_MAP_COL2 = 0xA362;
 
- // const MAT_MAP_RCOL = 0xA364;
 
- // const MAT_MAP_GCOL = 0xA366;
 
- // const MAT_MAP_BCOL = 0xA368;
 
- const NAMED_OBJECT = 0x4000;
 
- // const N_DIRECT_LIGHT = 0x4600;
 
- // const DL_OFF = 0x4620;
 
- // const DL_OUTER_RANGE = 0x465A;
 
- // const DL_INNER_RANGE = 0x4659;
 
- // const DL_MULTIPLIER = 0x465B;
 
- // const DL_EXCLUDE = 0x4654;
 
- // const DL_ATTENUATE = 0x4625;
 
- // const DL_SPOTLIGHT = 0x4610;
 
- // const DL_SPOT_ROLL = 0x4656;
 
- // const DL_SHADOWED = 0x4630;
 
- // const DL_LOCAL_SHADOW2 = 0x4641;
 
- // const DL_SEE_CONE = 0x4650;
 
- // const DL_SPOT_RECTANGULAR = 0x4651;
 
- // const DL_SPOT_ASPECT = 0x4657;
 
- // const DL_SPOT_PROJECTOR = 0x4653;
 
- // const DL_SPOT_OVERSHOOT = 0x4652;
 
- // const DL_RAY_BIAS = 0x4658;
 
- // const DL_RAYSHAD = 0x4627;
 
- // const N_CAMERA = 0x4700;
 
- // const CAM_SEE_CONE = 0x4710;
 
- // const CAM_RANGES = 0x4720;
 
- // const OBJ_HIDDEN = 0x4010;
 
- // const OBJ_VIS_LOFTER = 0x4011;
 
- // const OBJ_DOESNT_CAST = 0x4012;
 
- // const OBJ_DONT_RECVSHADOW = 0x4017;
 
- // const OBJ_MATTE = 0x4013;
 
- // const OBJ_FAST = 0x4014;
 
- // const OBJ_PROCEDURAL = 0x4015;
 
- // const OBJ_FROZEN = 0x4016;
 
- const N_TRI_OBJECT = 0x4100;
 
- const POINT_ARRAY = 0x4110;
 
- // const POINT_FLAG_ARRAY = 0x4111;
 
- const FACE_ARRAY = 0x4120;
 
- const MSH_MAT_GROUP = 0x4130;
 
- // const SMOOTH_GROUP = 0x4150;
 
- // const MSH_BOXMAP = 0x4190;
 
- const TEX_VERTS = 0x4140;
 
- const MESH_MATRIX = 0x4160;
 
- // const MESH_COLOR = 0x4165;
 
- // const MESH_TEXTURE_INFO = 0x4170;
 
- // const KFDATA = 0xB000;
 
- // const KFHDR = 0xB00A;
 
- // const KFSEG = 0xB008;
 
- // const KFCURTIME = 0xB009;
 
- // const AMBIENT_NODE_TAG = 0xB001;
 
- // const OBJECT_NODE_TAG = 0xB002;
 
- // const CAMERA_NODE_TAG = 0xB003;
 
- // const TARGET_NODE_TAG = 0xB004;
 
- // const LIGHT_NODE_TAG = 0xB005;
 
- // const L_TARGET_NODE_TAG = 0xB006;
 
- // const SPOTLIGHT_NODE_TAG = 0xB007;
 
- // const NODE_ID = 0xB030;
 
- // const NODE_HDR = 0xB010;
 
- // const PIVOT = 0xB013;
 
- // const INSTANCE_NAME = 0xB011;
 
- // const MORPH_SMOOTH = 0xB015;
 
- // const BOUNDBOX = 0xB014;
 
- // const POS_TRACK_TAG = 0xB020;
 
- // const COL_TRACK_TAG = 0xB025;
 
- // const ROT_TRACK_TAG = 0xB021;
 
- // const SCL_TRACK_TAG = 0xB022;
 
- // const MORPH_TRACK_TAG = 0xB026;
 
- // const FOV_TRACK_TAG = 0xB023;
 
- // const ROLL_TRACK_TAG = 0xB024;
 
- // const HOT_TRACK_TAG = 0xB027;
 
- // const FALL_TRACK_TAG = 0xB028;
 
- // const HIDE_TRACK_TAG = 0xB029;
 
- // const POLY_2D = 0x5000;
 
- // const SHAPE_OK = 0x5010;
 
- // const SHAPE_NOT_OK = 0x5011;
 
- // const SHAPE_HOOK = 0x5020;
 
- // const PATH_3D = 0x6000;
 
- // const PATH_MATRIX = 0x6005;
 
- // const SHAPE_2D = 0x6010;
 
- // const M_SCALE = 0x6020;
 
- // const M_TWIST = 0x6030;
 
- // const M_TEETER = 0x6040;
 
- // const M_FIT = 0x6050;
 
- // const M_BEVEL = 0x6060;
 
- // const XZ_CURVE = 0x6070;
 
- // const YZ_CURVE = 0x6080;
 
- // const INTERPCT = 0x6090;
 
- // const DEFORM_LIMIT = 0x60A0;
 
- // const USE_CONTOUR = 0x6100;
 
- // const USE_TWEEN = 0x6110;
 
- // const USE_SCALE = 0x6120;
 
- // const USE_TWIST = 0x6130;
 
- // const USE_TEETER = 0x6140;
 
- // const USE_FIT = 0x6150;
 
- // const USE_BEVEL = 0x6160;
 
- // const DEFAULT_VIEW = 0x3000;
 
- // const VIEW_TOP = 0x3010;
 
- // const VIEW_BOTTOM = 0x3020;
 
- // const VIEW_LEFT = 0x3030;
 
- // const VIEW_RIGHT = 0x3040;
 
- // const VIEW_FRONT = 0x3050;
 
- // const VIEW_BACK = 0x3060;
 
- // const VIEW_USER = 0x3070;
 
- // const VIEW_CAMERA = 0x3080;
 
- // const VIEW_WINDOW = 0x3090;
 
- // const VIEWPORT_LAYOUT_OLD = 0x7000;
 
- // const VIEWPORT_DATA_OLD = 0x7010;
 
- // const VIEWPORT_LAYOUT = 0x7001;
 
- // const VIEWPORT_DATA = 0x7011;
 
- // const VIEWPORT_DATA_3 = 0x7012;
 
- // const VIEWPORT_SIZE = 0x7020;
 
- // const NETWORK_VIEW = 0x7030;
 
- export { TDSLoader };
 
 
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