mirror of
https://github.com/tengge1/ShadowEditor.git
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2151 lines
46 KiB
JavaScript
2151 lines
46 KiB
JavaScript
/**
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* @author Rich Tibbett / https://github.com/richtr
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* @author mrdoob / http://mrdoob.com/
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* @author Tony Parisi / http://www.tonyparisi.com/
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* @author Takahiro / https://github.com/takahirox
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*/
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THREE.GLTFLoader = ( function () {
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function GLTFLoader( manager ) {
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this.manager = ( manager !== undefined ) ? manager : THREE.DefaultLoadingManager;
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}
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GLTFLoader.prototype = {
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constructor: GLTFLoader,
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load: function ( url, onLoad, onProgress, onError ) {
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var scope = this;
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var path = this.path && ( typeof this.path === "string" ) ? this.path : THREE.Loader.prototype.extractUrlBase( url );
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var loader = new THREE.FileLoader( scope.manager );
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loader.setResponseType( 'arraybuffer' );
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loader.load( url, function ( data ) {
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scope.parse( data, onLoad, path );
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}, onProgress, onError );
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},
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setCrossOrigin: function ( value ) {
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this.crossOrigin = value;
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},
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setPath: function ( value ) {
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this.path = value;
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},
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parse: function ( data, callback, path ) {
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var content;
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var extensions = {};
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var magic = convertUint8ArrayToString( new Uint8Array( data, 0, 4 ) );
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if ( magic === BINARY_EXTENSION_HEADER_DEFAULTS.magic ) {
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extensions[ EXTENSIONS.KHR_BINARY_GLTF ] = new GLTFBinaryExtension( data );
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content = extensions[ EXTENSIONS.KHR_BINARY_GLTF ].content;
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} else {
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content = convertUint8ArrayToString( new Uint8Array( data ) );
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}
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var json = JSON.parse( content );
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if ( json.extensionsUsed && json.extensionsUsed.indexOf( EXTENSIONS.KHR_MATERIALS_COMMON ) >= 0 ) {
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extensions[ EXTENSIONS.KHR_MATERIALS_COMMON ] = new GLTFMaterialsCommonExtension( json );
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}
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console.time( 'GLTFLoader' );
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var parser = new GLTFParser( json, extensions, {
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path: path || this.path,
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crossOrigin: this.crossOrigin
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} );
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parser.parse( function ( scene, scenes, cameras, animations ) {
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console.timeEnd( 'GLTFLoader' );
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var glTF = {
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"scene": scene,
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"scenes": scenes,
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"cameras": cameras,
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"animations": animations
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};
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callback( glTF );
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} );
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}
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};
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/* GLTFREGISTRY */
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function GLTFRegistry() {
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var objects = {};
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return {
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get: function ( key ) {
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return objects[ key ];
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},
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add: function ( key, object ) {
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objects[ key ] = object;
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},
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remove: function ( key ) {
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delete objects[ key ];
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},
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removeAll: function () {
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objects = {};
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},
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update: function ( scene, camera ) {
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// update scene graph
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scene.updateMatrixWorld();
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// update camera matrices and frustum
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camera.updateMatrixWorld();
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camera.matrixWorldInverse.getInverse( camera.matrixWorld );
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for ( var name in objects ) {
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var object = objects[ name ];
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if ( object.update ) {
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object.update( scene, camera );
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}
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}
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}
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};
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}
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/* GLTFSHADERS */
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GLTFLoader.Shaders = new GLTFRegistry();
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/* GLTFSHADER */
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function GLTFShader( targetNode, allNodes ) {
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var boundUniforms = {};
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// bind each uniform to its source node
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var uniforms = targetNode.material.uniforms;
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for ( var uniformId in uniforms ) {
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var uniform = uniforms[ uniformId ];
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if ( uniform.semantic ) {
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var sourceNodeRef = uniform.node;
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var sourceNode = targetNode;
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if ( sourceNodeRef ) {
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sourceNode = allNodes[ sourceNodeRef ];
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}
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boundUniforms[ uniformId ] = {
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semantic: uniform.semantic,
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sourceNode: sourceNode,
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targetNode: targetNode,
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uniform: uniform
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};
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}
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}
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this.boundUniforms = boundUniforms;
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this._m4 = new THREE.Matrix4();
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}
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// Update - update all the uniform values
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GLTFShader.prototype.update = function ( scene, camera ) {
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var boundUniforms = this.boundUniforms;
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for ( var name in boundUniforms ) {
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var boundUniform = boundUniforms[ name ];
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switch ( boundUniform.semantic ) {
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case "MODELVIEW":
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var m4 = boundUniform.uniform.value;
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m4.multiplyMatrices( camera.matrixWorldInverse, boundUniform.sourceNode.matrixWorld );
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break;
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case "MODELVIEWINVERSETRANSPOSE":
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var m3 = boundUniform.uniform.value;
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this._m4.multiplyMatrices( camera.matrixWorldInverse, boundUniform.sourceNode.matrixWorld );
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m3.getNormalMatrix( this._m4 );
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break;
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case "PROJECTION":
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var m4 = boundUniform.uniform.value;
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m4.copy( camera.projectionMatrix );
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break;
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case "JOINTMATRIX":
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var m4v = boundUniform.uniform.value;
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for ( var mi = 0; mi < m4v.length; mi ++ ) {
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// So it goes like this:
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// SkinnedMesh world matrix is already baked into MODELVIEW;
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// transform joints to local space,
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// then transform using joint's inverse
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m4v[ mi ]
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.getInverse( boundUniform.sourceNode.matrixWorld )
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.multiply( boundUniform.targetNode.skeleton.bones[ mi ].matrixWorld )
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.multiply( boundUniform.targetNode.skeleton.boneInverses[ mi ] )
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.multiply( boundUniform.targetNode.bindMatrix );
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}
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break;
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default :
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console.warn( "Unhandled shader semantic: " + boundUniform.semantic );
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break;
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}
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}
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};
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/* ANIMATION */
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GLTFLoader.Animations = {
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update: function () {
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console.warn( 'THREE.GLTFLoader.Animation has been deprecated. Use THREE.AnimationMixer instead.' );
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}
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};
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/*********************************/
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/********** EXTENSIONS ***********/
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/*********************************/
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var EXTENSIONS = {
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KHR_BINARY_GLTF: 'KHR_binary_glTF',
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KHR_MATERIALS_COMMON: 'KHR_materials_common'
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};
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/* MATERIALS COMMON EXTENSION */
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function GLTFMaterialsCommonExtension( json ) {
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this.name = EXTENSIONS.KHR_MATERIALS_COMMON;
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this.lights = {};
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var lights = json.extensions && json.extensions[ EXTENSIONS.KHR_MATERIALS_COMMON ].lights;
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for ( var lightId in lights ) {
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var light = lights[ lightId ];
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var lightNode;
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var lightParams = light[ light.type ];
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var color = new THREE.Color().fromArray( lightParams.color );
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switch ( light.type ) {
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case "directional":
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lightNode = new THREE.DirectionalLight( color );
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lightNode.position.set( 0, 0, 1 );
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break;
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case "point":
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lightNode = new THREE.PointLight( color );
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break;
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case "spot":
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lightNode = new THREE.SpotLight( color );
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lightNode.position.set( 0, 0, 1 );
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break;
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case "ambient":
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lightNode = new THREE.AmbientLight( color );
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break;
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}
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if ( lightNode ) {
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this.lights[ lightId ] = lightNode;
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}
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}
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}
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/* BINARY EXTENSION */
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var BINARY_EXTENSION_BUFFER_NAME = 'binary_glTF';
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var BINARY_EXTENSION_HEADER_DEFAULTS = { magic: 'glTF', version: 1, contentFormat: 0 };
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var BINARY_EXTENSION_HEADER_LENGTH = 20;
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function GLTFBinaryExtension( data ) {
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this.name = EXTENSIONS.KHR_BINARY_GLTF;
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var headerView = new DataView( data, 0, BINARY_EXTENSION_HEADER_LENGTH );
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var header = {
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magic: convertUint8ArrayToString( new Uint8Array( data.slice( 0, 4 ) ) ),
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version: headerView.getUint32( 4, true ),
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length: headerView.getUint32( 8, true ),
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contentLength: headerView.getUint32( 12, true ),
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contentFormat: headerView.getUint32( 16, true )
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};
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for ( var key in BINARY_EXTENSION_HEADER_DEFAULTS ) {
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var value = BINARY_EXTENSION_HEADER_DEFAULTS[ key ];
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if ( header[ key ] !== value ) {
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throw new Error( 'Unsupported glTF-Binary header: Expected "%s" to be "%s".', key, value );
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}
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}
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var contentArray = new Uint8Array( data, BINARY_EXTENSION_HEADER_LENGTH, header.contentLength );
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this.header = header;
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this.content = convertUint8ArrayToString( contentArray );
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this.body = data.slice( BINARY_EXTENSION_HEADER_LENGTH + header.contentLength, header.length );
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}
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GLTFBinaryExtension.prototype.loadShader = function ( shader, bufferViews ) {
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var bufferView = bufferViews[ shader.extensions[ EXTENSIONS.KHR_BINARY_GLTF ].bufferView ];
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var array = new Uint8Array( bufferView );
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return convertUint8ArrayToString( array );
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};
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GLTFBinaryExtension.prototype.loadTextureSourceUri = function ( source, bufferViews ) {
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var metadata = source.extensions[ EXTENSIONS.KHR_BINARY_GLTF ];
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var bufferView = bufferViews[ metadata.bufferView ];
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var stringData = convertUint8ArrayToString( new Uint8Array( bufferView ) );
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return 'data:' + metadata.mimeType + ';base64,' + btoa( stringData );
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};
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/*********************************/
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/********** INTERNALS ************/
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/*********************************/
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/* CONSTANTS */
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var WEBGL_CONSTANTS = {
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FLOAT: 5126,
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//FLOAT_MAT2: 35674,
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FLOAT_MAT3: 35675,
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FLOAT_MAT4: 35676,
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FLOAT_VEC2: 35664,
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FLOAT_VEC3: 35665,
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FLOAT_VEC4: 35666,
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LINEAR: 9729,
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REPEAT: 10497,
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SAMPLER_2D: 35678,
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TRIANGLES: 4,
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LINES: 1,
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UNSIGNED_BYTE: 5121,
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UNSIGNED_SHORT: 5123,
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VERTEX_SHADER: 35633,
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FRAGMENT_SHADER: 35632
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};
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var WEBGL_TYPE = {
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5126: Number,
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//35674: THREE.Matrix2,
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35675: THREE.Matrix3,
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35676: THREE.Matrix4,
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35664: THREE.Vector2,
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35665: THREE.Vector3,
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35666: THREE.Vector4,
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35678: THREE.Texture
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};
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var WEBGL_COMPONENT_TYPES = {
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5120: Int8Array,
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5121: Uint8Array,
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5122: Int16Array,
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5123: Uint16Array,
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5125: Uint32Array,
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5126: Float32Array
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};
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var WEBGL_FILTERS = {
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9728: THREE.NearestFilter,
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9729: THREE.LinearFilter,
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9984: THREE.NearestMipMapNearestFilter,
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9985: THREE.LinearMipMapNearestFilter,
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9986: THREE.NearestMipMapLinearFilter,
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9987: THREE.LinearMipMapLinearFilter
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};
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var WEBGL_WRAPPINGS = {
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33071: THREE.ClampToEdgeWrapping,
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33648: THREE.MirroredRepeatWrapping,
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10497: THREE.RepeatWrapping
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};
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var WEBGL_TEXTURE_FORMATS = {
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6406: THREE.AlphaFormat,
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6407: THREE.RGBFormat,
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6408: THREE.RGBAFormat,
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6409: THREE.LuminanceFormat,
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6410: THREE.LuminanceAlphaFormat
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};
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var WEBGL_TEXTURE_DATATYPES = {
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5121: THREE.UnsignedByteType,
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32819: THREE.UnsignedShort4444Type,
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32820: THREE.UnsignedShort5551Type,
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33635: THREE.UnsignedShort565Type
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};
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var WEBGL_SIDES = {
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1028: THREE.BackSide, // Culling front
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1029: THREE.FrontSide // Culling back
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//1032: THREE.NoSide // Culling front and back, what to do?
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};
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var WEBGL_DEPTH_FUNCS = {
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512: THREE.NeverDepth,
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513: THREE.LessDepth,
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514: THREE.EqualDepth,
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515: THREE.LessEqualDepth,
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516: THREE.GreaterEqualDepth,
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517: THREE.NotEqualDepth,
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518: THREE.GreaterEqualDepth,
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519: THREE.AlwaysDepth
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};
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var WEBGL_BLEND_EQUATIONS = {
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32774: THREE.AddEquation,
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32778: THREE.SubtractEquation,
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32779: THREE.ReverseSubtractEquation
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};
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var WEBGL_BLEND_FUNCS = {
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0: THREE.ZeroFactor,
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1: THREE.OneFactor,
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768: THREE.SrcColorFactor,
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769: THREE.OneMinusSrcColorFactor,
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770: THREE.SrcAlphaFactor,
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771: THREE.OneMinusSrcAlphaFactor,
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772: THREE.DstAlphaFactor,
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773: THREE.OneMinusDstAlphaFactor,
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774: THREE.DstColorFactor,
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775: THREE.OneMinusDstColorFactor,
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776: THREE.SrcAlphaSaturateFactor
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// The followings are not supported by Three.js yet
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//32769: CONSTANT_COLOR,
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//32770: ONE_MINUS_CONSTANT_COLOR,
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//32771: CONSTANT_ALPHA,
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//32772: ONE_MINUS_CONSTANT_COLOR
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};
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var WEBGL_TYPE_SIZES = {
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'SCALAR': 1,
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'VEC2': 2,
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'VEC3': 3,
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'VEC4': 4,
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'MAT2': 4,
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'MAT3': 9,
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'MAT4': 16
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};
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var PATH_PROPERTIES = {
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scale: 'scale',
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translation: 'position',
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rotation: 'quaternion'
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};
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var INTERPOLATION = {
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LINEAR: THREE.InterpolateLinear,
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STEP: THREE.InterpolateDiscrete
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};
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var STATES_ENABLES = {
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2884: 'CULL_FACE',
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2929: 'DEPTH_TEST',
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3042: 'BLEND',
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3089: 'SCISSOR_TEST',
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32823: 'POLYGON_OFFSET_FILL',
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32926: 'SAMPLE_ALPHA_TO_COVERAGE'
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};
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/* UTILITY FUNCTIONS */
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function _each( object, callback, thisObj ) {
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if ( !object ) {
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return Promise.resolve();
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}
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var results;
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var fns = [];
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if ( Object.prototype.toString.call( object ) === '[object Array]' ) {
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results = [];
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var length = object.length;
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for ( var idx = 0; idx < length; idx ++ ) {
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var value = callback.call( thisObj || this, object[ idx ], idx );
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if ( value ) {
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fns.push( value );
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if ( value instanceof Promise ) {
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value.then( function( key, value ) {
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results[ idx ] = value;
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}.bind( this, key ));
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} else {
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results[ idx ] = value;
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}
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}
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}
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} else {
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results = {};
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for ( var key in object ) {
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if ( object.hasOwnProperty( key ) ) {
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var value = callback.call( thisObj || this, object[ key ], key );
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if ( value ) {
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fns.push( value );
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if ( value instanceof Promise ) {
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value.then( function( key, value ) {
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results[ key ] = value;
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}.bind( this, key ));
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} else {
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results[ key ] = value;
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}
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}
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}
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}
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}
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return Promise.all( fns ).then( function() {
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return results;
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});
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}
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function resolveURL( url, path ) {
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|
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// Invalid URL
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if ( typeof url !== 'string' || url === '' )
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return '';
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// Absolute URL
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if ( /^https?:\/\//i.test( url ) ) {
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|
return url;
|
|
|
|
}
|
|
|
|
// Data URI
|
|
if ( /^data:.*,.*$/i.test( url ) ) {
|
|
|
|
return url;
|
|
|
|
}
|
|
|
|
// Relative URL
|
|
return ( path || '' ) + url;
|
|
|
|
}
|
|
|
|
// Avoid the String.fromCharCode.apply(null, array) shortcut, which
|
|
// throws a "maximum call stack size exceeded" error for large arrays.
|
|
function convertUint8ArrayToString( array ) {
|
|
|
|
var s = '';
|
|
|
|
for ( var i = 0; i < array.length; i ++ ) {
|
|
|
|
s += String.fromCharCode( array[ i ] );
|
|
|
|
}
|
|
|
|
return s;
|
|
|
|
}
|
|
|
|
// Three.js seems too dependent on attribute names so globally
|
|
// replace those in the shader code
|
|
function replaceTHREEShaderAttributes( shaderText, technique ) {
|
|
|
|
// Expected technique attributes
|
|
var attributes = {};
|
|
|
|
for ( var attributeId in technique.attributes ) {
|
|
|
|
var pname = technique.attributes[ attributeId ];
|
|
|
|
var param = technique.parameters[ pname ];
|
|
var atype = param.type;
|
|
var semantic = param.semantic;
|
|
|
|
attributes[ attributeId ] = {
|
|
type: atype,
|
|
semantic: semantic
|
|
};
|
|
|
|
}
|
|
|
|
// Figure out which attributes to change in technique
|
|
|
|
var shaderParams = technique.parameters;
|
|
var shaderAttributes = technique.attributes;
|
|
var params = {};
|
|
|
|
for ( var attributeId in attributes ) {
|
|
|
|
var pname = shaderAttributes[ attributeId ];
|
|
var shaderParam = shaderParams[ pname ];
|
|
var semantic = shaderParam.semantic;
|
|
if ( semantic ) {
|
|
|
|
params[ attributeId ] = shaderParam;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
for ( var pname in params ) {
|
|
|
|
var param = params[ pname ];
|
|
var semantic = param.semantic;
|
|
|
|
var regEx = new RegExp( "\\b" + pname + "\\b", "g" );
|
|
|
|
switch ( semantic ) {
|
|
|
|
case "POSITION":
|
|
|
|
shaderText = shaderText.replace( regEx, 'position' );
|
|
break;
|
|
|
|
case "NORMAL":
|
|
|
|
shaderText = shaderText.replace( regEx, 'normal' );
|
|
break;
|
|
|
|
case 'TEXCOORD_0':
|
|
case 'TEXCOORD0':
|
|
case 'TEXCOORD':
|
|
|
|
shaderText = shaderText.replace( regEx, 'uv' );
|
|
break;
|
|
|
|
case 'COLOR_0':
|
|
case 'COLOR0':
|
|
case 'COLOR':
|
|
|
|
shaderText = shaderText.replace( regEx, 'color' );
|
|
break;
|
|
|
|
case "WEIGHT":
|
|
|
|
shaderText = shaderText.replace( regEx, 'skinWeight' );
|
|
break;
|
|
|
|
case "JOINT":
|
|
|
|
shaderText = shaderText.replace( regEx, 'skinIndex' );
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return shaderText;
|
|
|
|
}
|
|
|
|
function createDefaultMaterial() {
|
|
|
|
return new THREE.MeshPhongMaterial( {
|
|
color: 0x00000,
|
|
emissive: 0x888888,
|
|
specular: 0x000000,
|
|
shininess: 0,
|
|
transparent: false,
|
|
depthTest: true,
|
|
side: THREE.FrontSide
|
|
} );
|
|
|
|
}
|
|
|
|
// Deferred constructor for RawShaderMaterial types
|
|
function DeferredShaderMaterial( params ) {
|
|
|
|
this.isDeferredShaderMaterial = true;
|
|
|
|
this.params = params;
|
|
|
|
}
|
|
|
|
DeferredShaderMaterial.prototype.create = function () {
|
|
|
|
var uniforms = THREE.UniformsUtils.clone( this.params.uniforms );
|
|
|
|
for ( var uniformId in this.params.uniforms ) {
|
|
|
|
var originalUniform = this.params.uniforms[ uniformId ];
|
|
|
|
if ( originalUniform.value instanceof THREE.Texture ) {
|
|
|
|
uniforms[ uniformId ].value = originalUniform.value;
|
|
uniforms[ uniformId ].value.needsUpdate = true;
|
|
|
|
}
|
|
|
|
uniforms[ uniformId ].semantic = originalUniform.semantic;
|
|
uniforms[ uniformId ].node = originalUniform.node;
|
|
|
|
}
|
|
|
|
this.params.uniforms = uniforms;
|
|
|
|
return new THREE.RawShaderMaterial( this.params );
|
|
|
|
};
|
|
|
|
/* GLTF PARSER */
|
|
|
|
function GLTFParser( json, extensions, options ) {
|
|
|
|
this.json = json || {};
|
|
this.extensions = extensions || {};
|
|
this.options = options || {};
|
|
|
|
// loader object cache
|
|
this.cache = new GLTFRegistry();
|
|
|
|
}
|
|
|
|
GLTFParser.prototype._withDependencies = function ( dependencies ) {
|
|
|
|
var _dependencies = {};
|
|
|
|
for ( var i = 0; i < dependencies.length; i ++ ) {
|
|
|
|
var dependency = dependencies[ i ];
|
|
var fnName = "load" + dependency.charAt( 0 ).toUpperCase() + dependency.slice( 1 );
|
|
|
|
var cached = this.cache.get( dependency );
|
|
|
|
if ( cached !== undefined ) {
|
|
|
|
_dependencies[ dependency ] = cached;
|
|
|
|
} else if ( this[ fnName ] ) {
|
|
|
|
var fn = this[ fnName ]();
|
|
this.cache.add( dependency, fn );
|
|
|
|
_dependencies[ dependency ] = fn;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return _each( _dependencies, function ( dependency ) {
|
|
|
|
return dependency;
|
|
|
|
} );
|
|
|
|
};
|
|
|
|
GLTFParser.prototype.parse = function ( callback ) {
|
|
|
|
var json = this.json;
|
|
|
|
// Clear the loader cache
|
|
this.cache.removeAll();
|
|
|
|
// Fire the callback on complete
|
|
this._withDependencies( [
|
|
|
|
"scenes",
|
|
"cameras",
|
|
"animations"
|
|
|
|
] ).then( function ( dependencies ) {
|
|
|
|
var scene = dependencies.scenes[ json.scene ];
|
|
|
|
var scenes = [];
|
|
|
|
for ( var name in dependencies.scenes ) {
|
|
|
|
scenes.push( dependencies.scenes[ name ] );
|
|
|
|
}
|
|
|
|
var cameras = [];
|
|
|
|
for ( var name in dependencies.cameras ) {
|
|
|
|
var camera = dependencies.cameras[ name ];
|
|
cameras.push( camera );
|
|
|
|
}
|
|
|
|
var animations = [];
|
|
|
|
for ( var name in dependencies.animations ) {
|
|
|
|
animations.push( dependencies.animations[ name ] );
|
|
|
|
}
|
|
|
|
callback( scene, scenes, cameras, animations );
|
|
|
|
} );
|
|
|
|
};
|
|
|
|
GLTFParser.prototype.loadShaders = function () {
|
|
|
|
var json = this.json;
|
|
var extensions = this.extensions;
|
|
var options = this.options;
|
|
|
|
return this._withDependencies( [
|
|
|
|
"bufferViews"
|
|
|
|
] ).then( function ( dependencies ) {
|
|
|
|
return _each( json.shaders, function ( shader ) {
|
|
|
|
if ( shader.extensions && shader.extensions[ EXTENSIONS.KHR_BINARY_GLTF ] ) {
|
|
|
|
return extensions[ EXTENSIONS.KHR_BINARY_GLTF ].loadShader( shader, dependencies.bufferViews );
|
|
|
|
}
|
|
|
|
return new Promise( function ( resolve ) {
|
|
|
|
var loader = new THREE.FileLoader();
|
|
loader.setResponseType( 'text' );
|
|
loader.load( resolveURL( shader.uri, options.path ), function ( shaderText ) {
|
|
|
|
resolve( shaderText );
|
|
|
|
} );
|
|
|
|
} );
|
|
|
|
} );
|
|
|
|
} );
|
|
|
|
};
|
|
|
|
GLTFParser.prototype.loadBuffers = function () {
|
|
|
|
var json = this.json;
|
|
var extensions = this.extensions;
|
|
var options = this.options;
|
|
|
|
return _each( json.buffers, function ( buffer, name ) {
|
|
|
|
if ( name === BINARY_EXTENSION_BUFFER_NAME ) {
|
|
|
|
return extensions[ EXTENSIONS.KHR_BINARY_GLTF ].body;
|
|
|
|
}
|
|
|
|
if ( buffer.type === 'arraybuffer' || buffer.type === undefined ) {
|
|
|
|
return new Promise( function ( resolve ) {
|
|
|
|
var loader = new THREE.FileLoader();
|
|
loader.setResponseType( 'arraybuffer' );
|
|
loader.load( resolveURL( buffer.uri, options.path ), function ( buffer ) {
|
|
|
|
resolve( buffer );
|
|
|
|
} );
|
|
|
|
} );
|
|
|
|
} else {
|
|
|
|
console.warn( 'THREE.GLTFLoader: ' + buffer.type + ' buffer type is not supported' );
|
|
|
|
}
|
|
|
|
} );
|
|
|
|
};
|
|
|
|
GLTFParser.prototype.loadBufferViews = function () {
|
|
|
|
var json = this.json;
|
|
|
|
return this._withDependencies( [
|
|
|
|
"buffers"
|
|
|
|
] ).then( function ( dependencies ) {
|
|
|
|
return _each( json.bufferViews, function ( bufferView ) {
|
|
|
|
var arraybuffer = dependencies.buffers[ bufferView.buffer ];
|
|
|
|
return arraybuffer.slice( bufferView.byteOffset, bufferView.byteOffset + bufferView.byteLength );
|
|
|
|
} );
|
|
|
|
} );
|
|
|
|
};
|
|
|
|
GLTFParser.prototype.loadAccessors = function () {
|
|
|
|
var json = this.json;
|
|
|
|
return this._withDependencies( [
|
|
|
|
"bufferViews"
|
|
|
|
] ).then( function ( dependencies ) {
|
|
|
|
return _each( json.accessors, function ( accessor ) {
|
|
|
|
var arraybuffer = dependencies.bufferViews[ accessor.bufferView ];
|
|
var itemSize = WEBGL_TYPE_SIZES[ accessor.type ];
|
|
var TypedArray = WEBGL_COMPONENT_TYPES[ accessor.componentType ];
|
|
|
|
// For VEC3: itemSize is 3, elementBytes is 4, itemBytes is 12.
|
|
var elementBytes = TypedArray.BYTES_PER_ELEMENT;
|
|
var itemBytes = elementBytes * itemSize;
|
|
|
|
// The buffer is not interleaved if the stride is the item size in bytes.
|
|
if ( accessor.byteStride && accessor.byteStride !== itemBytes ) {
|
|
|
|
// Use the full buffer if it's interleaved.
|
|
var array = new TypedArray( arraybuffer );
|
|
|
|
// Integer parameters to IB/IBA are in array elements, not bytes.
|
|
var ib = new THREE.InterleavedBuffer( array, accessor.byteStride / elementBytes );
|
|
|
|
return new THREE.InterleavedBufferAttribute( ib, itemSize, accessor.byteOffset / elementBytes );
|
|
|
|
} else {
|
|
|
|
array = new TypedArray( arraybuffer, accessor.byteOffset, accessor.count * itemSize );
|
|
|
|
return new THREE.BufferAttribute( array, itemSize );
|
|
|
|
}
|
|
|
|
} );
|
|
|
|
} );
|
|
|
|
};
|
|
|
|
GLTFParser.prototype.loadTextures = function () {
|
|
|
|
var json = this.json;
|
|
var extensions = this.extensions;
|
|
var options = this.options;
|
|
|
|
return this._withDependencies( [
|
|
|
|
"bufferViews"
|
|
|
|
] ).then( function ( dependencies ) {
|
|
|
|
return _each( json.textures, function ( texture ) {
|
|
|
|
if ( texture.source ) {
|
|
|
|
return new Promise( function ( resolve ) {
|
|
|
|
var source = json.images[ texture.source ];
|
|
var sourceUri = source.uri;
|
|
|
|
if ( source.extensions && source.extensions[ EXTENSIONS.KHR_BINARY_GLTF ] ) {
|
|
|
|
sourceUri = extensions[ EXTENSIONS.KHR_BINARY_GLTF ].loadTextureSourceUri( source, dependencies.bufferViews );
|
|
|
|
}
|
|
|
|
var textureLoader = THREE.Loader.Handlers.get( sourceUri );
|
|
|
|
if ( textureLoader === null ) {
|
|
|
|
textureLoader = new THREE.TextureLoader();
|
|
|
|
}
|
|
|
|
textureLoader.setCrossOrigin( options.crossOrigin );
|
|
|
|
textureLoader.load( resolveURL( sourceUri, options.path ), function ( _texture ) {
|
|
|
|
_texture.flipY = false;
|
|
|
|
if ( texture.name !== undefined ) _texture.name = texture.name;
|
|
|
|
_texture.format = texture.format !== undefined ? WEBGL_TEXTURE_FORMATS[ texture.format ] : THREE.RGBAFormat;
|
|
|
|
if ( texture.internalFormat !== undefined && _texture.format !== WEBGL_TEXTURE_FORMATS[ texture.internalFormat ] ) {
|
|
|
|
console.warn( 'THREE.GLTFLoader: Three.js doesn\'t support texture internalFormat which is different from texture format. ' +
|
|
'internalFormat will be forced to be the same value as format.' );
|
|
|
|
}
|
|
|
|
_texture.type = texture.type !== undefined ? WEBGL_TEXTURE_DATATYPES[ texture.type ] : THREE.UnsignedByteType;
|
|
|
|
if ( texture.sampler ) {
|
|
|
|
var sampler = json.samplers[ texture.sampler ];
|
|
|
|
_texture.magFilter = WEBGL_FILTERS[ sampler.magFilter ];
|
|
_texture.minFilter = WEBGL_FILTERS[ sampler.minFilter ];
|
|
_texture.wrapS = WEBGL_WRAPPINGS[ sampler.wrapS ];
|
|
_texture.wrapT = WEBGL_WRAPPINGS[ sampler.wrapT ];
|
|
|
|
}
|
|
|
|
resolve( _texture );
|
|
|
|
}, undefined, function () {
|
|
|
|
resolve();
|
|
|
|
} );
|
|
|
|
} );
|
|
|
|
}
|
|
|
|
} );
|
|
|
|
} );
|
|
|
|
};
|
|
|
|
GLTFParser.prototype.loadMaterials = function () {
|
|
|
|
var json = this.json;
|
|
|
|
return this._withDependencies( [
|
|
|
|
"shaders",
|
|
"textures"
|
|
|
|
] ).then( function ( dependencies ) {
|
|
|
|
return _each( json.materials, function ( material ) {
|
|
|
|
var materialType;
|
|
var materialValues = {};
|
|
var materialParams = {};
|
|
|
|
var khr_material;
|
|
|
|
if ( material.extensions && material.extensions[ EXTENSIONS.KHR_MATERIALS_COMMON ] ) {
|
|
|
|
khr_material = material.extensions[ EXTENSIONS.KHR_MATERIALS_COMMON ];
|
|
|
|
}
|
|
|
|
if ( khr_material ) {
|
|
|
|
switch ( khr_material.technique ) {
|
|
|
|
case 'BLINN' :
|
|
case 'PHONG' :
|
|
materialType = THREE.MeshPhongMaterial;
|
|
break;
|
|
|
|
case 'LAMBERT' :
|
|
materialType = THREE.MeshLambertMaterial;
|
|
break;
|
|
|
|
case 'CONSTANT' :
|
|
default :
|
|
materialType = THREE.MeshBasicMaterial;
|
|
break;
|
|
|
|
}
|
|
|
|
Object.assign( materialValues, khr_material.values );
|
|
|
|
if ( khr_material.doubleSided || materialValues.doubleSided ) {
|
|
|
|
materialParams.side = THREE.DoubleSide;
|
|
|
|
}
|
|
|
|
if ( khr_material.transparent || materialValues.transparent ) {
|
|
|
|
materialParams.transparent = true;
|
|
materialParams.opacity = ( materialValues.transparency !== undefined ) ? materialValues.transparency : 1;
|
|
|
|
}
|
|
|
|
} else if ( material.technique === undefined ) {
|
|
|
|
materialType = THREE.MeshPhongMaterial;
|
|
|
|
Object.assign( materialValues, material.values );
|
|
|
|
} else {
|
|
|
|
materialType = DeferredShaderMaterial;
|
|
|
|
var technique = json.techniques[ material.technique ];
|
|
|
|
materialParams.uniforms = {};
|
|
|
|
var program = json.programs[ technique.program ];
|
|
|
|
if ( program ) {
|
|
|
|
materialParams.fragmentShader = dependencies.shaders[ program.fragmentShader ];
|
|
|
|
if ( ! materialParams.fragmentShader ) {
|
|
|
|
console.warn( "ERROR: Missing fragment shader definition:", program.fragmentShader );
|
|
materialType = THREE.MeshPhongMaterial;
|
|
|
|
}
|
|
|
|
var vertexShader = dependencies.shaders[ program.vertexShader ];
|
|
|
|
if ( ! vertexShader ) {
|
|
|
|
console.warn( "ERROR: Missing vertex shader definition:", program.vertexShader );
|
|
materialType = THREE.MeshPhongMaterial;
|
|
|
|
}
|
|
|
|
// IMPORTANT: FIX VERTEX SHADER ATTRIBUTE DEFINITIONS
|
|
materialParams.vertexShader = replaceTHREEShaderAttributes( vertexShader, technique );
|
|
|
|
var uniforms = technique.uniforms;
|
|
|
|
for ( var uniformId in uniforms ) {
|
|
|
|
var pname = uniforms[ uniformId ];
|
|
var shaderParam = technique.parameters[ pname ];
|
|
|
|
var ptype = shaderParam.type;
|
|
|
|
if ( WEBGL_TYPE[ ptype ] ) {
|
|
|
|
var pcount = shaderParam.count;
|
|
var value;
|
|
|
|
if ( material.values !== undefined ) value = material.values[ pname ];
|
|
|
|
var uvalue = new WEBGL_TYPE[ ptype ]();
|
|
var usemantic = shaderParam.semantic;
|
|
var unode = shaderParam.node;
|
|
|
|
switch ( ptype ) {
|
|
|
|
case WEBGL_CONSTANTS.FLOAT:
|
|
|
|
uvalue = shaderParam.value;
|
|
|
|
if ( pname == "transparency" ) {
|
|
|
|
materialParams.transparent = true;
|
|
|
|
}
|
|
|
|
if ( value !== undefined ) {
|
|
|
|
uvalue = value;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case WEBGL_CONSTANTS.FLOAT_VEC2:
|
|
case WEBGL_CONSTANTS.FLOAT_VEC3:
|
|
case WEBGL_CONSTANTS.FLOAT_VEC4:
|
|
case WEBGL_CONSTANTS.FLOAT_MAT3:
|
|
|
|
if ( shaderParam && shaderParam.value ) {
|
|
|
|
uvalue.fromArray( shaderParam.value );
|
|
|
|
}
|
|
|
|
if ( value ) {
|
|
|
|
uvalue.fromArray( value );
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case WEBGL_CONSTANTS.FLOAT_MAT2:
|
|
|
|
// what to do?
|
|
console.warn( "FLOAT_MAT2 is not a supported uniform type" );
|
|
break;
|
|
|
|
case WEBGL_CONSTANTS.FLOAT_MAT4:
|
|
|
|
if ( pcount ) {
|
|
|
|
uvalue = new Array( pcount );
|
|
|
|
for ( var mi = 0; mi < pcount; mi ++ ) {
|
|
|
|
uvalue[ mi ] = new WEBGL_TYPE[ ptype ]();
|
|
|
|
}
|
|
|
|
if ( shaderParam && shaderParam.value ) {
|
|
|
|
var m4v = shaderParam.value;
|
|
uvalue.fromArray( m4v );
|
|
|
|
}
|
|
|
|
if ( value ) {
|
|
|
|
uvalue.fromArray( value );
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
if ( shaderParam && shaderParam.value ) {
|
|
|
|
var m4 = shaderParam.value;
|
|
uvalue.fromArray( m4 );
|
|
|
|
}
|
|
|
|
if ( value ) {
|
|
|
|
uvalue.fromArray( value );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case WEBGL_CONSTANTS.SAMPLER_2D:
|
|
|
|
if ( value !== undefined ) {
|
|
|
|
uvalue = dependencies.textures[ value ];
|
|
|
|
} else if ( shaderParam.value !== undefined ) {
|
|
|
|
uvalue = dependencies.textures[ shaderParam.value ];
|
|
|
|
} else {
|
|
|
|
uvalue = null;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
materialParams.uniforms[ uniformId ] = {
|
|
value: uvalue,
|
|
semantic: usemantic,
|
|
node: unode
|
|
};
|
|
|
|
} else {
|
|
|
|
throw new Error( "Unknown shader uniform param type: " + ptype );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
var states = technique.states || {};
|
|
var enables = states.enable || [];
|
|
var functions = states.functions || {};
|
|
|
|
var enableCullFace = false;
|
|
var enableDepthTest = false;
|
|
var enableBlend = false;
|
|
|
|
for ( var i = 0, il = enables.length; i < il; i ++ ) {
|
|
|
|
var enable = enables[ i ];
|
|
|
|
switch ( STATES_ENABLES[ enable ] ) {
|
|
|
|
case 'CULL_FACE':
|
|
|
|
enableCullFace = true;
|
|
|
|
break;
|
|
|
|
case 'DEPTH_TEST':
|
|
|
|
enableDepthTest = true;
|
|
|
|
break;
|
|
|
|
case 'BLEND':
|
|
|
|
enableBlend = true;
|
|
|
|
break;
|
|
|
|
// TODO: implement
|
|
case 'SCISSOR_TEST':
|
|
case 'POLYGON_OFFSET_FILL':
|
|
case 'SAMPLE_ALPHA_TO_COVERAGE':
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
throw new Error( "Unknown technique.states.enable: " + enable );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if ( enableCullFace ) {
|
|
|
|
materialParams.side = functions.cullFace !== undefined ? WEBGL_SIDES[ functions.cullFace ] : THREE.FrontSide;
|
|
|
|
} else {
|
|
|
|
materialParams.side = THREE.DoubleSide;
|
|
|
|
}
|
|
|
|
materialParams.depthTest = enableDepthTest;
|
|
materialParams.depthFunc = functions.depthFunc !== undefined ? WEBGL_DEPTH_FUNCS[ functions.depthFunc ] : THREE.LessDepth;
|
|
materialParams.depthWrite = functions.depthMask !== undefined ? functions.depthMask[ 0 ] : true;
|
|
|
|
materialParams.blending = enableBlend ? THREE.CustomBlending : THREE.NoBlending;
|
|
materialParams.transparent = enableBlend;
|
|
|
|
var blendEquationSeparate = functions.blendEquationSeparate;
|
|
|
|
if ( blendEquationSeparate !== undefined ) {
|
|
|
|
materialParams.blendEquation = WEBGL_BLEND_EQUATIONS[ blendEquationSeparate[ 0 ] ];
|
|
materialParams.blendEquationAlpha = WEBGL_BLEND_EQUATIONS[ blendEquationSeparate[ 1 ] ];
|
|
|
|
} else {
|
|
|
|
materialParams.blendEquation = THREE.AddEquation;
|
|
materialParams.blendEquationAlpha = THREE.AddEquation;
|
|
|
|
}
|
|
|
|
var blendFuncSeparate = functions.blendFuncSeparate;
|
|
|
|
if ( blendFuncSeparate !== undefined ) {
|
|
|
|
materialParams.blendSrc = WEBGL_BLEND_FUNCS[ blendFuncSeparate[ 0 ] ];
|
|
materialParams.blendDst = WEBGL_BLEND_FUNCS[ blendFuncSeparate[ 1 ] ];
|
|
materialParams.blendSrcAlpha = WEBGL_BLEND_FUNCS[ blendFuncSeparate[ 2 ] ];
|
|
materialParams.blendDstAlpha = WEBGL_BLEND_FUNCS[ blendFuncSeparate[ 3 ] ];
|
|
|
|
} else {
|
|
|
|
materialParams.blendSrc = THREE.OneFactor;
|
|
materialParams.blendDst = THREE.ZeroFactor;
|
|
materialParams.blendSrcAlpha = THREE.OneFactor;
|
|
materialParams.blendDstAlpha = THREE.ZeroFactor;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if ( Array.isArray( materialValues.diffuse ) ) {
|
|
|
|
materialParams.color = new THREE.Color().fromArray( materialValues.diffuse );
|
|
|
|
} else if ( typeof( materialValues.diffuse ) === 'string' ) {
|
|
|
|
materialParams.map = dependencies.textures[ materialValues.diffuse ];
|
|
|
|
}
|
|
|
|
delete materialParams.diffuse;
|
|
|
|
if ( typeof( materialValues.reflective ) === 'string' ) {
|
|
|
|
materialParams.envMap = dependencies.textures[ materialValues.reflective ];
|
|
|
|
}
|
|
|
|
if ( typeof( materialValues.bump ) === 'string' ) {
|
|
|
|
materialParams.bumpMap = dependencies.textures[ materialValues.bump ];
|
|
|
|
}
|
|
|
|
if ( Array.isArray( materialValues.emission ) ) {
|
|
|
|
if ( materialType === THREE.MeshBasicMaterial ) {
|
|
|
|
materialParams.color = new THREE.Color().fromArray( materialValues.emission );
|
|
|
|
} else {
|
|
|
|
materialParams.emissive = new THREE.Color().fromArray( materialValues.emission );
|
|
|
|
}
|
|
|
|
} else if ( typeof( materialValues.emission ) === 'string' ) {
|
|
|
|
if ( materialType === THREE.MeshBasicMaterial ) {
|
|
|
|
materialParams.map = dependencies.textures[ materialValues.emission ];
|
|
|
|
} else {
|
|
|
|
materialParams.emissiveMap = dependencies.textures[ materialValues.emission ];
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if ( Array.isArray( materialValues.specular ) ) {
|
|
|
|
materialParams.specular = new THREE.Color().fromArray( materialValues.specular );
|
|
|
|
} else if ( typeof( materialValues.specular ) === 'string' ) {
|
|
|
|
materialParams.specularMap = dependencies.textures[ materialValues.specular ];
|
|
|
|
}
|
|
|
|
if ( materialValues.shininess !== undefined ) {
|
|
|
|
materialParams.shininess = materialValues.shininess;
|
|
|
|
}
|
|
|
|
var _material = new materialType( materialParams );
|
|
if ( material.name !== undefined ) _material.name = material.name;
|
|
|
|
return _material;
|
|
|
|
} );
|
|
|
|
} );
|
|
|
|
};
|
|
|
|
GLTFParser.prototype.loadMeshes = function () {
|
|
|
|
var json = this.json;
|
|
|
|
return this._withDependencies( [
|
|
|
|
"accessors",
|
|
"materials"
|
|
|
|
] ).then( function ( dependencies ) {
|
|
|
|
return _each( json.meshes, function ( mesh ) {
|
|
|
|
var group = new THREE.Object3D();
|
|
if ( mesh.name !== undefined ) group.name = mesh.name;
|
|
|
|
if ( mesh.extras ) group.userData = mesh.extras;
|
|
|
|
var primitives = mesh.primitives;
|
|
|
|
for ( var name in primitives ) {
|
|
|
|
var primitive = primitives[ name ];
|
|
|
|
if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLES || primitive.mode === undefined ) {
|
|
|
|
var geometry = new THREE.BufferGeometry();
|
|
|
|
var attributes = primitive.attributes;
|
|
|
|
for ( var attributeId in attributes ) {
|
|
|
|
var attributeEntry = attributes[ attributeId ];
|
|
|
|
if ( ! attributeEntry ) return;
|
|
|
|
var bufferAttribute = dependencies.accessors[ attributeEntry ];
|
|
|
|
switch ( attributeId ) {
|
|
|
|
case 'POSITION':
|
|
geometry.addAttribute( 'position', bufferAttribute );
|
|
break;
|
|
|
|
case 'NORMAL':
|
|
geometry.addAttribute( 'normal', bufferAttribute );
|
|
break;
|
|
|
|
case 'TEXCOORD_0':
|
|
case 'TEXCOORD0':
|
|
case 'TEXCOORD':
|
|
geometry.addAttribute( 'uv', bufferAttribute );
|
|
break;
|
|
|
|
case 'COLOR_0':
|
|
case 'COLOR0':
|
|
case 'COLOR':
|
|
geometry.addAttribute( 'color', bufferAttribute );
|
|
break;
|
|
|
|
case 'WEIGHT':
|
|
geometry.addAttribute( 'skinWeight', bufferAttribute );
|
|
break;
|
|
|
|
case 'JOINT':
|
|
geometry.addAttribute( 'skinIndex', bufferAttribute );
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if ( primitive.indices ) {
|
|
|
|
geometry.setIndex( dependencies.accessors[ primitive.indices ] );
|
|
|
|
}
|
|
|
|
var material = dependencies.materials !== undefined ? dependencies.materials[ primitive.material ] : createDefaultMaterial();
|
|
|
|
var meshNode = new THREE.Mesh( geometry, material );
|
|
meshNode.castShadow = true;
|
|
meshNode.name = ( name === "0" ? group.name : group.name + name );
|
|
|
|
if ( primitive.extras ) meshNode.userData = primitive.extras;
|
|
|
|
group.add( meshNode );
|
|
|
|
} else if ( primitive.mode === WEBGL_CONSTANTS.LINES ) {
|
|
|
|
var geometry = new THREE.BufferGeometry();
|
|
|
|
var attributes = primitive.attributes;
|
|
|
|
|
|
for ( var attributeId in attributes ) {
|
|
|
|
var attributeEntry = attributes[ attributeId ];
|
|
|
|
if ( ! attributeEntry ) return;
|
|
|
|
var bufferAttribute = dependencies.accessors[ attributeEntry ];
|
|
|
|
switch ( attributeId ) {
|
|
|
|
case 'POSITION':
|
|
geometry.addAttribute( 'position', bufferAttribute );
|
|
break;
|
|
|
|
case 'COLOR_0':
|
|
case 'COLOR0':
|
|
case 'COLOR':
|
|
geometry.addAttribute( 'color', bufferAttribute );
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
var material = dependencies.materials[ primitive.material ];
|
|
|
|
var meshNode;
|
|
|
|
if ( primitive.indices ) {
|
|
|
|
geometry.setIndex( dependencies.accessors[ primitive.indices ] );
|
|
|
|
meshNode = new THREE.LineSegments( geometry, material );
|
|
|
|
} else {
|
|
|
|
meshNode = new THREE.Line( geometry, material );
|
|
|
|
}
|
|
|
|
meshNode.name = ( name === "0" ? group.name : group.name + name );
|
|
|
|
if ( primitive.extras ) meshNode.userData = primitive.extras;
|
|
|
|
group.add( meshNode );
|
|
|
|
} else {
|
|
|
|
console.warn( "Only triangular and line primitives are supported" );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return group;
|
|
|
|
} );
|
|
|
|
} );
|
|
|
|
};
|
|
|
|
GLTFParser.prototype.loadCameras = function () {
|
|
|
|
var json = this.json;
|
|
|
|
return _each( json.cameras, function ( camera ) {
|
|
|
|
if ( camera.type == "perspective" && camera.perspective ) {
|
|
|
|
var yfov = camera.perspective.yfov;
|
|
var xfov = camera.perspective.xfov;
|
|
var aspect_ratio = camera.perspective.aspect_ratio || 1;
|
|
|
|
// According to COLLADA spec...
|
|
// aspect_ratio = xfov / yfov
|
|
xfov = ( xfov === undefined && yfov ) ? yfov * aspect_ratio : xfov;
|
|
|
|
// According to COLLADA spec...
|
|
// aspect_ratio = xfov / yfov
|
|
// yfov = ( yfov === undefined && xfov ) ? xfov / aspect_ratio : yfov;
|
|
|
|
var _camera = new THREE.PerspectiveCamera( THREE.Math.radToDeg( xfov ), aspect_ratio, camera.perspective.znear || 1, camera.perspective.zfar || 2e6 );
|
|
if ( camera.name !== undefined ) _camera.name = camera.name;
|
|
|
|
if ( camera.extras ) _camera.userData = camera.extras;
|
|
|
|
return _camera;
|
|
|
|
} else if ( camera.type == "orthographic" && camera.orthographic ) {
|
|
|
|
var _camera = new THREE.OrthographicCamera( window.innerWidth / - 2, window.innerWidth / 2, window.innerHeight / 2, window.innerHeight / - 2, camera.orthographic.znear, camera.orthographic.zfar );
|
|
if ( camera.name !== undefined ) _camera.name = camera.name;
|
|
|
|
if ( camera.extras ) _camera.userData = camera.extras;
|
|
|
|
return _camera;
|
|
|
|
}
|
|
|
|
} );
|
|
|
|
};
|
|
|
|
GLTFParser.prototype.loadSkins = function () {
|
|
|
|
var json = this.json;
|
|
|
|
return this._withDependencies( [
|
|
|
|
"accessors"
|
|
|
|
] ).then( function ( dependencies ) {
|
|
|
|
return _each( json.skins, function ( skin ) {
|
|
|
|
var _skin = {
|
|
bindShapeMatrix: new THREE.Matrix4().fromArray( skin.bindShapeMatrix ),
|
|
jointNames: skin.jointNames,
|
|
inverseBindMatrices: dependencies.accessors[ skin.inverseBindMatrices ]
|
|
};
|
|
|
|
return _skin;
|
|
|
|
} );
|
|
|
|
} );
|
|
|
|
};
|
|
|
|
GLTFParser.prototype.loadAnimations = function () {
|
|
|
|
var json = this.json;
|
|
|
|
return this._withDependencies( [
|
|
|
|
"accessors",
|
|
"nodes"
|
|
|
|
] ).then( function ( dependencies ) {
|
|
|
|
return _each( json.animations, function ( animation, animationId ) {
|
|
|
|
var tracks = [];
|
|
|
|
for ( var channelId in animation.channels ) {
|
|
|
|
var channel = animation.channels[ channelId ];
|
|
var sampler = animation.samplers[ channel.sampler ];
|
|
|
|
if ( sampler ) {
|
|
|
|
var target = channel.target;
|
|
var name = target.id;
|
|
var input = animation.parameters !== undefined ? animation.parameters[ sampler.input ] : sampler.input;
|
|
var output = animation.parameters !== undefined ? animation.parameters[ sampler.output ] : sampler.output;
|
|
|
|
var inputAccessor = dependencies.accessors[ input ];
|
|
var outputAccessor = dependencies.accessors[ output ];
|
|
|
|
var node = dependencies.nodes[ name ];
|
|
|
|
if ( node ) {
|
|
|
|
node.updateMatrix();
|
|
node.matrixAutoUpdate = true;
|
|
|
|
var TypedKeyframeTrack = PATH_PROPERTIES[ target.path ] === PATH_PROPERTIES.rotation
|
|
? THREE.QuaternionKeyframeTrack
|
|
: THREE.VectorKeyframeTrack;
|
|
|
|
var targetName = node.name ? node.name : node.uuid;
|
|
|
|
// KeyframeTrack.optimize() will modify given 'times' and 'values'
|
|
// buffers before creating a truncated copy to keep. Because buffers may
|
|
// be reused by other tracks, make copies here.
|
|
tracks.push( new TypedKeyframeTrack(
|
|
targetName + '.' + PATH_PROPERTIES[ target.path ],
|
|
THREE.AnimationUtils.arraySlice( inputAccessor.array, 0 ),
|
|
THREE.AnimationUtils.arraySlice( outputAccessor.array, 0 ),
|
|
INTERPOLATION[ sampler.interpolation ]
|
|
) );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return new THREE.AnimationClip( "animation_" + animationId, undefined, tracks );
|
|
|
|
} );
|
|
|
|
} );
|
|
|
|
};
|
|
|
|
GLTFParser.prototype.loadNodes = function () {
|
|
|
|
var json = this.json;
|
|
var extensions = this.extensions;
|
|
var scope = this;
|
|
|
|
return _each( json.nodes, function ( node ) {
|
|
|
|
var matrix = new THREE.Matrix4();
|
|
|
|
var _node;
|
|
|
|
if ( node.jointName ) {
|
|
|
|
_node = new THREE.Bone();
|
|
_node.name = node.name !== undefined ? node.name : node.jointName;
|
|
_node.jointName = node.jointName;
|
|
|
|
} else {
|
|
|
|
_node = new THREE.Object3D();
|
|
if ( node.name !== undefined ) _node.name = node.name;
|
|
|
|
}
|
|
|
|
if ( node.extras ) _node.userData = node.extras;
|
|
|
|
if ( node.matrix !== undefined ) {
|
|
|
|
matrix.fromArray( node.matrix );
|
|
_node.applyMatrix( matrix );
|
|
|
|
} else {
|
|
|
|
if ( node.translation !== undefined ) {
|
|
|
|
_node.position.fromArray( node.translation );
|
|
|
|
}
|
|
|
|
if ( node.rotation !== undefined ) {
|
|
|
|
_node.quaternion.fromArray( node.rotation );
|
|
|
|
}
|
|
|
|
if ( node.scale !== undefined ) {
|
|
|
|
_node.scale.fromArray( node.scale );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return _node;
|
|
|
|
} ).then( function ( __nodes ) {
|
|
|
|
return scope._withDependencies( [
|
|
|
|
"meshes",
|
|
"skins",
|
|
"cameras"
|
|
|
|
] ).then( function ( dependencies ) {
|
|
|
|
return _each( __nodes, function ( _node, nodeId ) {
|
|
|
|
var node = json.nodes[ nodeId ];
|
|
|
|
if ( node.meshes !== undefined ) {
|
|
|
|
for ( var meshId in node.meshes ) {
|
|
|
|
var mesh = node.meshes[ meshId ];
|
|
var group = dependencies.meshes[ mesh ];
|
|
|
|
if ( group === undefined ) {
|
|
|
|
console.warn( 'GLTFLoader: Couldn\'t find node "' + mesh + '".' );
|
|
continue;
|
|
|
|
}
|
|
|
|
for ( var childrenId in group.children ) {
|
|
|
|
var child = group.children[ childrenId ];
|
|
|
|
// clone Mesh to add to _node
|
|
|
|
var originalMaterial = child.material;
|
|
var originalGeometry = child.geometry;
|
|
var originalUserData = child.userData;
|
|
var originalName = child.name;
|
|
|
|
var material;
|
|
|
|
if ( originalMaterial.isDeferredShaderMaterial ) {
|
|
|
|
originalMaterial = material = originalMaterial.create();
|
|
|
|
} else {
|
|
|
|
material = originalMaterial;
|
|
|
|
}
|
|
|
|
switch ( child.type ) {
|
|
|
|
case 'LineSegments':
|
|
child = new THREE.LineSegments( originalGeometry, material );
|
|
break;
|
|
|
|
case 'Line':
|
|
child = new THREE.Line( originalGeometry, material );
|
|
break;
|
|
|
|
default:
|
|
child = new THREE.Mesh( originalGeometry, material );
|
|
|
|
}
|
|
|
|
child.castShadow = true;
|
|
child.userData = originalUserData;
|
|
child.name = originalName;
|
|
|
|
var skinEntry;
|
|
|
|
if ( node.skin ) {
|
|
|
|
skinEntry = dependencies.skins[ node.skin ];
|
|
|
|
}
|
|
|
|
// Replace Mesh with SkinnedMesh in library
|
|
if ( skinEntry ) {
|
|
|
|
var getJointNode = function ( jointId ) {
|
|
|
|
var keys = Object.keys( __nodes );
|
|
|
|
for ( var i = 0, il = keys.length; i < il; i ++ ) {
|
|
|
|
var n = __nodes[ keys[ i ] ];
|
|
|
|
if ( n.jointName === jointId ) return n;
|
|
|
|
}
|
|
|
|
return null;
|
|
|
|
};
|
|
|
|
var geometry = originalGeometry;
|
|
var material = originalMaterial;
|
|
material.skinning = true;
|
|
|
|
child = new THREE.SkinnedMesh( geometry, material, false );
|
|
child.castShadow = true;
|
|
child.userData = originalUserData;
|
|
child.name = originalName;
|
|
|
|
var bones = [];
|
|
var boneInverses = [];
|
|
|
|
for ( var i = 0, l = skinEntry.jointNames.length; i < l; i ++ ) {
|
|
|
|
var jointId = skinEntry.jointNames[ i ];
|
|
var jointNode = getJointNode( jointId );
|
|
|
|
if ( jointNode ) {
|
|
|
|
bones.push( jointNode );
|
|
|
|
var m = skinEntry.inverseBindMatrices.array;
|
|
var mat = new THREE.Matrix4().fromArray( m, i * 16 );
|
|
boneInverses.push( mat );
|
|
|
|
} else {
|
|
|
|
console.warn( "WARNING: joint: ''" + jointId + "' could not be found" );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
child.bind( new THREE.Skeleton( bones, boneInverses, false ), skinEntry.bindShapeMatrix );
|
|
|
|
var buildBoneGraph = function ( parentJson, parentObject, property ) {
|
|
|
|
var children = parentJson[ property ];
|
|
|
|
if ( children === undefined ) return;
|
|
|
|
for ( var i = 0, il = children.length; i < il; i ++ ) {
|
|
|
|
var nodeId = children[ i ];
|
|
var bone = __nodes[ nodeId ];
|
|
var boneJson = json.nodes[ nodeId ];
|
|
|
|
if ( bone !== undefined && bone.isBone === true && boneJson !== undefined ) {
|
|
|
|
parentObject.add( bone );
|
|
buildBoneGraph( boneJson, bone, 'children' );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
};
|
|
|
|
buildBoneGraph( node, child, 'skeletons' );
|
|
|
|
}
|
|
|
|
_node.add( child );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
if ( node.camera !== undefined ) {
|
|
|
|
var camera = dependencies.cameras[ node.camera ];
|
|
|
|
_node.add( camera );
|
|
|
|
}
|
|
|
|
if ( node.extensions
|
|
&& node.extensions[ EXTENSIONS.KHR_MATERIALS_COMMON ]
|
|
&& node.extensions[ EXTENSIONS.KHR_MATERIALS_COMMON ].light ) {
|
|
|
|
var extensionLights = extensions[ EXTENSIONS.KHR_MATERIALS_COMMON ].lights;
|
|
var light = extensionLights[ node.extensions[ EXTENSIONS.KHR_MATERIALS_COMMON ].light ];
|
|
|
|
_node.add( light );
|
|
|
|
}
|
|
|
|
return _node;
|
|
|
|
} );
|
|
|
|
} );
|
|
|
|
} );
|
|
|
|
};
|
|
|
|
GLTFParser.prototype.loadScenes = function () {
|
|
|
|
var json = this.json;
|
|
|
|
// scene node hierachy builder
|
|
|
|
function buildNodeHierachy( nodeId, parentObject, allNodes ) {
|
|
|
|
var _node = allNodes[ nodeId ];
|
|
parentObject.add( _node );
|
|
|
|
var node = json.nodes[ nodeId ];
|
|
|
|
if ( node.children ) {
|
|
|
|
var children = node.children;
|
|
|
|
for ( var i = 0, l = children.length; i < l; i ++ ) {
|
|
|
|
var child = children[ i ];
|
|
buildNodeHierachy( child, _node, allNodes );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return this._withDependencies( [
|
|
|
|
"nodes"
|
|
|
|
] ).then( function ( dependencies ) {
|
|
|
|
return _each( json.scenes, function ( scene ) {
|
|
|
|
var _scene = new THREE.Scene();
|
|
if ( scene.name !== undefined ) _scene.name = scene.name;
|
|
|
|
if ( scene.extras ) _scene.userData = scene.extras;
|
|
|
|
var nodes = scene.nodes;
|
|
|
|
for ( var i = 0, l = nodes.length; i < l; i ++ ) {
|
|
|
|
var nodeId = nodes[ i ];
|
|
buildNodeHierachy( nodeId, _scene, dependencies.nodes );
|
|
|
|
}
|
|
|
|
_scene.traverse( function ( child ) {
|
|
|
|
// Register raw material meshes with GLTFLoader.Shaders
|
|
if ( child.material && child.material.isRawShaderMaterial ) {
|
|
|
|
var xshader = new GLTFShader( child, dependencies.nodes );
|
|
GLTFLoader.Shaders.add( child.uuid, xshader );
|
|
|
|
}
|
|
|
|
} );
|
|
|
|
return _scene;
|
|
|
|
} );
|
|
|
|
} );
|
|
|
|
};
|
|
|
|
return GLTFLoader;
|
|
|
|
} )();
|