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@@ -1,426 +1,563 @@
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( function () {
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-var GLTFLoader = function () {
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- function GLTFLoader(manager) {
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- THREE.Loader.call(this, manager);
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- this.dracoLoader = null;
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- this.ktx2Loader = null;
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- this.meshoptDecoder = null;
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- this.pluginCallbacks = [];
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- this.register(function (parser) {
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- return new GLTFMaterialsClearcoatExtension(parser);
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- });
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- this.register(function (parser) {
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- return new GLTFTextureBasisUExtension(parser);
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- });
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- this.register(function (parser) {
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- return new GLTFTextureWebPExtension(parser);
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- });
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- this.register(function (parser) {
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- return new GLTFMaterialsTransmissionExtension(parser);
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- });
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- this.register(function (parser) {
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- return new GLTFLightsExtension(parser);
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- });
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- this.register(function (parser) {
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- return new GLTFMeshoptCompression(parser);
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- });
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- }
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-
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- GLTFLoader.prototype = Object.assign(Object.create(THREE.Loader.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 resourcePath;
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-
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- if (this.resourcePath !== '') {
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- resourcePath = this.resourcePath;
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- } else if (this.path !== '') {
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- resourcePath = this.path;
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- } else {
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- resourcePath = THREE.LoaderUtils.extractUrlBase(url);
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- } // Tells the LoadingManager to track an extra item, which resolves after
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- // the model is fully loaded. This means the count of items loaded will
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- // be incorrect, but ensures manager.onLoad() does not fire early.
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+ var GLTFLoader = function () {
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+
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+ function GLTFLoader( manager ) {
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+
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+ THREE.Loader.call( this, manager );
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+ this.dracoLoader = null;
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+ this.ktx2Loader = null;
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+ this.meshoptDecoder = null;
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+ this.pluginCallbacks = [];
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+ this.register( function ( parser ) {
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+
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+ return new GLTFMaterialsClearcoatExtension( parser );
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+
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+ } );
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+ this.register( function ( parser ) {
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+
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+ return new GLTFTextureBasisUExtension( parser );
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+
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+ } );
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+ this.register( function ( parser ) {
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+
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+ return new GLTFTextureWebPExtension( parser );
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+
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+ } );
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+ this.register( function ( parser ) {
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+
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+ return new GLTFMaterialsTransmissionExtension( parser );
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+
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+ } );
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+ this.register( function ( parser ) {
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+
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+ return new GLTFLightsExtension( parser );
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+
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+ } );
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+ this.register( function ( parser ) {
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+
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+ return new GLTFMeshoptCompression( parser );
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+
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+ } );
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+
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+ }
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+
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+ GLTFLoader.prototype = Object.assign( Object.create( THREE.Loader.prototype ), {
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+ constructor: GLTFLoader,
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+ load: function ( url, onLoad, onProgress, onError ) {
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+
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+ var scope = this;
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+ var resourcePath;
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+
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+ if ( this.resourcePath !== '' ) {
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- this.manager.itemStart(url);
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+ resourcePath = this.resourcePath;
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+
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+ } else if ( this.path !== '' ) {
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+
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+ resourcePath = this.path;
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- var _onError = function (e) {
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- if (onError) {
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- onError(e);
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} else {
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- console.error(e);
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- }
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- scope.manager.itemError(url);
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- scope.manager.itemEnd(url);
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- };
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+ resourcePath = THREE.LoaderUtils.extractUrlBase( url );
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- var loader = new THREE.FileLoader(this.manager);
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- loader.setPath(this.path);
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- loader.setResponseType('arraybuffer');
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- loader.setRequestHeader(this.requestHeader);
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- loader.setWithCredentials(this.withCredentials);
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- loader.load(url, function (data) {
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- try {
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- scope.parse(data, resourcePath, function (gltf) {
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- onLoad(gltf);
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- scope.manager.itemEnd(url);
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- }, _onError);
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- } catch (e) {
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- _onError(e);
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- }
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- }, onProgress, _onError);
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- },
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- setDRACOLoader: function (dracoLoader) {
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- this.dracoLoader = dracoLoader;
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- return this;
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- },
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- setDDSLoader: function () {
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- throw new Error('THREE.GLTFLoader: "MSFT_texture_dds" no longer supported. Please update to "KHR_texture_basisu".');
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- },
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- setKTX2Loader: function (ktx2Loader) {
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- this.ktx2Loader = ktx2Loader;
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- return this;
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- },
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- setMeshoptDecoder: function (meshoptDecoder) {
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- this.meshoptDecoder = meshoptDecoder;
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- return this;
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- },
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- register: function (callback) {
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- if (this.pluginCallbacks.indexOf(callback) === -1) {
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- this.pluginCallbacks.push(callback);
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- }
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+ } // Tells the LoadingManager to track an extra item, which resolves after
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+ // the model is fully loaded. This means the count of items loaded will
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+ // be incorrect, but ensures manager.onLoad() does not fire early.
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- return this;
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- },
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- unregister: function (callback) {
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- if (this.pluginCallbacks.indexOf(callback) !== -1) {
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- this.pluginCallbacks.splice(this.pluginCallbacks.indexOf(callback), 1);
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- }
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- return this;
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- },
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- parse: function (data, path, onLoad, onError) {
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- var content;
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- var extensions = {};
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- var plugins = {};
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-
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- if (typeof data === 'string') {
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- content = data;
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- } else {
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- var magic = THREE.LoaderUtils.decodeText(new Uint8Array(data, 0, 4));
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+ this.manager.itemStart( url );
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+
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+ var _onError = function ( e ) {
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+
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+ if ( onError ) {
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+
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+ onError( e );
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+
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+ } else {
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+
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+ console.error( e );
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+
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+ }
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+
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+ scope.manager.itemError( url );
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+ scope.manager.itemEnd( url );
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+
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+ };
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+
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+ var loader = new THREE.FileLoader( this.manager );
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+ loader.setPath( this.path );
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+ loader.setResponseType( 'arraybuffer' );
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+ loader.setRequestHeader( this.requestHeader );
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+ loader.setWithCredentials( this.withCredentials );
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+ loader.load( url, function ( data ) {
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- if (magic === BINARY_EXTENSION_HEADER_MAGIC) {
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try {
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- extensions[EXTENSIONS.KHR_BINARY_GLTF] = new GLTFBinaryExtension(data);
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- } catch (error) {
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- if (onError) onError(error);
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- return;
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+
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+ scope.parse( data, resourcePath, function ( gltf ) {
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+
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+ onLoad( gltf );
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+ scope.manager.itemEnd( url );
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+
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+ }, _onError );
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+
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+ } catch ( e ) {
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+
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+ _onError( e );
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+
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}
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- content = extensions[EXTENSIONS.KHR_BINARY_GLTF].content;
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+ }, onProgress, _onError );
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+
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+ },
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+ setDRACOLoader: function ( dracoLoader ) {
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+
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+ this.dracoLoader = dracoLoader;
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+ return this;
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+
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+ },
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+ setDDSLoader: function () {
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+
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+ throw new Error( 'THREE.GLTFLoader: "MSFT_texture_dds" no longer supported. Please update to "KHR_texture_basisu".' );
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+
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+ },
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+ setKTX2Loader: function ( ktx2Loader ) {
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+
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+ this.ktx2Loader = ktx2Loader;
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+ return this;
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+
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+ },
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+ setMeshoptDecoder: function ( meshoptDecoder ) {
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+
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+ this.meshoptDecoder = meshoptDecoder;
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+ return this;
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+
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+ },
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+ register: function ( callback ) {
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+
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+ if ( this.pluginCallbacks.indexOf( callback ) === - 1 ) {
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+
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+ this.pluginCallbacks.push( callback );
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+
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+ }
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+
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+ return this;
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+
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+ },
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+ unregister: function ( callback ) {
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+
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+ if ( this.pluginCallbacks.indexOf( callback ) !== - 1 ) {
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+
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+ this.pluginCallbacks.splice( this.pluginCallbacks.indexOf( callback ), 1 );
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+
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+ }
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+
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+ return this;
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+
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+ },
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+ parse: function ( data, path, onLoad, onError ) {
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+
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+ var content;
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+ var extensions = {};
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+ var plugins = {};
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+
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+ if ( typeof data === 'string' ) {
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+
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+ content = data;
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+
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} else {
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- content = THREE.LoaderUtils.decodeText(new Uint8Array(data));
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+
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+ var magic = THREE.LoaderUtils.decodeText( new Uint8Array( data, 0, 4 ) );
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+
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+ if ( magic === BINARY_EXTENSION_HEADER_MAGIC ) {
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+
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+ try {
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+
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+ extensions[ EXTENSIONS.KHR_BINARY_GLTF ] = new GLTFBinaryExtension( data );
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+
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+ } catch ( error ) {
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+
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+ if ( onError ) onError( error );
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+ return;
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+
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+ }
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+
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+ content = extensions[ EXTENSIONS.KHR_BINARY_GLTF ].content;
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+
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+ } else {
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+
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+ content = THREE.LoaderUtils.decodeText( new Uint8Array( data ) );
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+
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+ }
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+
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}
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- }
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- var json = JSON.parse(content);
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+ var json = JSON.parse( content );
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- if (json.asset === undefined || json.asset.version[0] < 2) {
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- if (onError) onError(new Error('THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported.'));
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- return;
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- }
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+ if ( json.asset === undefined || json.asset.version[ 0 ] < 2 ) {
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- var parser = new GLTFParser(json, {
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- path: path || this.resourcePath || '',
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- crossOrigin: this.crossOrigin,
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- requestHeader: this.requestHeader,
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- manager: this.manager,
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- ktx2Loader: this.ktx2Loader,
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- meshoptDecoder: this.meshoptDecoder
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- });
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- parser.fileLoader.setRequestHeader(this.requestHeader);
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+ if ( onError ) onError( new Error( 'THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported.' ) );
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+ return;
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- for (var i = 0; i < this.pluginCallbacks.length; i++) {
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- var plugin = this.pluginCallbacks[i](parser);
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- plugins[plugin.name] = plugin; // Workaround to avoid determining as unknown extension
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- // in addUnknownExtensionsToUserData().
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- // Remove this workaround if we move all the existing
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- // extension handlers to plugin system
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+ }
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- extensions[plugin.name] = true;
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- }
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+ var parser = new GLTFParser( json, {
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+ path: path || this.resourcePath || '',
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+ crossOrigin: this.crossOrigin,
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+ requestHeader: this.requestHeader,
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+ manager: this.manager,
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+ ktx2Loader: this.ktx2Loader,
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+ meshoptDecoder: this.meshoptDecoder
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+ } );
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+ parser.fileLoader.setRequestHeader( this.requestHeader );
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- if (json.extensionsUsed) {
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- for (var i = 0; i < json.extensionsUsed.length; ++i) {
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- var extensionName = json.extensionsUsed[i];
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- var extensionsRequired = json.extensionsRequired || [];
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+ for ( var i = 0; i < this.pluginCallbacks.length; i ++ ) {
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- switch (extensionName) {
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- case EXTENSIONS.KHR_MATERIALS_UNLIT:
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- extensions[extensionName] = new GLTFMaterialsUnlitExtension();
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- break;
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+ var plugin = this.pluginCallbacks[ i ]( parser );
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+ plugins[ plugin.name ] = plugin; // Workaround to avoid determining as unknown extension
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+ // in addUnknownExtensionsToUserData().
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+ // Remove this workaround if we move all the existing
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+ // extension handlers to plugin system
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- case EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS:
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- extensions[extensionName] = new GLTFMaterialsPbrSpecularGlossinessExtension();
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- break;
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+ extensions[ plugin.name ] = true;
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- case EXTENSIONS.KHR_DRACO_MESH_COMPRESSION:
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- extensions[extensionName] = new GLTFDracoMeshCompressionExtension(json, this.dracoLoader);
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- break;
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+ }
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- case EXTENSIONS.KHR_TEXTURE_TRANSFORM:
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- extensions[extensionName] = new GLTFTextureTransformExtension();
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- break;
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+ if ( json.extensionsUsed ) {
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- case EXTENSIONS.KHR_MESH_QUANTIZATION:
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- extensions[extensionName] = new GLTFMeshQuantizationExtension();
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- break;
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+ for ( var i = 0; i < json.extensionsUsed.length; ++ i ) {
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- default:
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- if (extensionsRequired.indexOf(extensionName) >= 0 && plugins[extensionName] === undefined) {
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- console.warn('THREE.GLTFLoader: Unknown extension "' + extensionName + '".');
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- }
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+ var extensionName = json.extensionsUsed[ i ];
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+ var extensionsRequired = json.extensionsRequired || [];
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+
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+ switch ( extensionName ) {
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+
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+ case EXTENSIONS.KHR_MATERIALS_UNLIT:
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+ extensions[ extensionName ] = new GLTFMaterialsUnlitExtension();
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+ break;
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+
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+ case EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS:
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+ extensions[ extensionName ] = new GLTFMaterialsPbrSpecularGlossinessExtension();
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+ break;
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+
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+ case EXTENSIONS.KHR_DRACO_MESH_COMPRESSION:
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+ extensions[ extensionName ] = new GLTFDracoMeshCompressionExtension( json, this.dracoLoader );
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+ break;
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+
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+ case EXTENSIONS.KHR_TEXTURE_TRANSFORM:
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+ extensions[ extensionName ] = new GLTFTextureTransformExtension();
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+ break;
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+
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+ case EXTENSIONS.KHR_MESH_QUANTIZATION:
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+ extensions[ extensionName ] = new GLTFMeshQuantizationExtension();
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+ break;
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+
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+ default:
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+ if ( extensionsRequired.indexOf( extensionName ) >= 0 && plugins[ extensionName ] === undefined ) {
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+
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+ console.warn( 'THREE.GLTFLoader: Unknown extension "' + extensionName + '".' );
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+
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+ }
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+
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+ }
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}
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+
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}
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+
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+ parser.setExtensions( extensions );
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+ parser.setPlugins( plugins );
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+ parser.parse( onLoad, onError );
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+
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}
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+ } );
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+ /* GLTFREGISTRY */
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+
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+ function GLTFRegistry() {
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+
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+ var objects = {};
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+ return {
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+ get: function ( key ) {
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+
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+ return objects[ key ];
|
|
|
+
|
|
|
+ },
|
|
|
+ add: function ( key, object ) {
|
|
|
+
|
|
|
+ objects[ key ] = object;
|
|
|
+
|
|
|
+ },
|
|
|
+ remove: function ( key ) {
|
|
|
+
|
|
|
+ delete objects[ key ];
|
|
|
+
|
|
|
+ },
|
|
|
+ removeAll: function () {
|
|
|
+
|
|
|
+ objects = {};
|
|
|
+
|
|
|
+ }
|
|
|
+ };
|
|
|
|
|
|
- parser.setExtensions(extensions);
|
|
|
- parser.setPlugins(plugins);
|
|
|
- parser.parse(onLoad, onError);
|
|
|
}
|
|
|
- });
|
|
|
- /* GLTFREGISTRY */
|
|
|
-
|
|
|
- function GLTFRegistry() {
|
|
|
- var objects = {};
|
|
|
- return {
|
|
|
- get: function (key) {
|
|
|
- return objects[key];
|
|
|
- },
|
|
|
- add: function (key, object) {
|
|
|
- objects[key] = object;
|
|
|
- },
|
|
|
- remove: function (key) {
|
|
|
- delete objects[key];
|
|
|
- },
|
|
|
- removeAll: function () {
|
|
|
- objects = {};
|
|
|
- }
|
|
|
+ /*********************************/
|
|
|
+
|
|
|
+ /********** EXTENSIONS ***********/
|
|
|
+
|
|
|
+ /*********************************/
|
|
|
+
|
|
|
+
|
|
|
+ var EXTENSIONS = {
|
|
|
+ KHR_BINARY_GLTF: 'KHR_binary_glTF',
|
|
|
+ KHR_DRACO_MESH_COMPRESSION: 'KHR_draco_mesh_compression',
|
|
|
+ KHR_LIGHTS_PUNCTUAL: 'KHR_lights_punctual',
|
|
|
+ KHR_MATERIALS_CLEARCOAT: 'KHR_materials_clearcoat',
|
|
|
+ KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS: 'KHR_materials_pbrSpecularGlossiness',
|
|
|
+ KHR_MATERIALS_TRANSMISSION: 'KHR_materials_transmission',
|
|
|
+ KHR_MATERIALS_UNLIT: 'KHR_materials_unlit',
|
|
|
+ KHR_TEXTURE_BASISU: 'KHR_texture_basisu',
|
|
|
+ KHR_TEXTURE_TRANSFORM: 'KHR_texture_transform',
|
|
|
+ KHR_MESH_QUANTIZATION: 'KHR_mesh_quantization',
|
|
|
+ EXT_TEXTURE_WEBP: 'EXT_texture_webp',
|
|
|
+ EXT_MESHOPT_COMPRESSION: 'EXT_meshopt_compression'
|
|
|
};
|
|
|
- }
|
|
|
- /*********************************/
|
|
|
-
|
|
|
- /********** EXTENSIONS ***********/
|
|
|
-
|
|
|
- /*********************************/
|
|
|
-
|
|
|
-
|
|
|
- var EXTENSIONS = {
|
|
|
- KHR_BINARY_GLTF: 'KHR_binary_glTF',
|
|
|
- KHR_DRACO_MESH_COMPRESSION: 'KHR_draco_mesh_compression',
|
|
|
- KHR_LIGHTS_PUNCTUAL: 'KHR_lights_punctual',
|
|
|
- KHR_MATERIALS_CLEARCOAT: 'KHR_materials_clearcoat',
|
|
|
- KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS: 'KHR_materials_pbrSpecularGlossiness',
|
|
|
- KHR_MATERIALS_TRANSMISSION: 'KHR_materials_transmission',
|
|
|
- KHR_MATERIALS_UNLIT: 'KHR_materials_unlit',
|
|
|
- KHR_TEXTURE_BASISU: 'KHR_texture_basisu',
|
|
|
- KHR_TEXTURE_TRANSFORM: 'KHR_texture_transform',
|
|
|
- KHR_MESH_QUANTIZATION: 'KHR_mesh_quantization',
|
|
|
- EXT_TEXTURE_WEBP: 'EXT_texture_webp',
|
|
|
- EXT_MESHOPT_COMPRESSION: 'EXT_meshopt_compression'
|
|
|
- };
|
|
|
- /**
|
|
|
+ /**
|
|
|
* Punctual Lights Extension
|
|
|
*
|
|
|
* Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_lights_punctual
|
|
|
*/
|
|
|
|
|
|
- function GLTFLightsExtension(parser) {
|
|
|
- this.parser = parser;
|
|
|
- this.name = EXTENSIONS.KHR_LIGHTS_PUNCTUAL; // THREE.Object3D instance caches
|
|
|
+ function GLTFLightsExtension( parser ) {
|
|
|
|
|
|
- this.cache = {
|
|
|
- refs: {},
|
|
|
- uses: {}
|
|
|
- };
|
|
|
- }
|
|
|
+ this.parser = parser;
|
|
|
+ this.name = EXTENSIONS.KHR_LIGHTS_PUNCTUAL; // THREE.Object3D instance caches
|
|
|
+
|
|
|
+ this.cache = {
|
|
|
+ refs: {},
|
|
|
+ uses: {}
|
|
|
+ };
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ GLTFLightsExtension.prototype._markDefs = function () {
|
|
|
+
|
|
|
+ var parser = this.parser;
|
|
|
+ var nodeDefs = this.parser.json.nodes || [];
|
|
|
+
|
|
|
+ for ( var nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex ++ ) {
|
|
|
+
|
|
|
+ var nodeDef = nodeDefs[ nodeIndex ];
|
|
|
+
|
|
|
+ if ( nodeDef.extensions && nodeDef.extensions[ this.name ] && nodeDef.extensions[ this.name ].light !== undefined ) {
|
|
|
|
|
|
- GLTFLightsExtension.prototype._markDefs = function () {
|
|
|
- var parser = this.parser;
|
|
|
- var nodeDefs = this.parser.json.nodes || [];
|
|
|
+ parser._addNodeRef( this.cache, nodeDef.extensions[ this.name ].light );
|
|
|
|
|
|
- for (var nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex++) {
|
|
|
- var nodeDef = nodeDefs[nodeIndex];
|
|
|
+ }
|
|
|
|
|
|
- if (nodeDef.extensions && nodeDef.extensions[this.name] && nodeDef.extensions[this.name].light !== undefined) {
|
|
|
- parser._addNodeRef(this.cache, nodeDef.extensions[this.name].light);
|
|
|
}
|
|
|
- }
|
|
|
- };
|
|
|
-
|
|
|
- GLTFLightsExtension.prototype._loadLight = function (lightIndex) {
|
|
|
- var parser = this.parser;
|
|
|
- var cacheKey = 'light:' + lightIndex;
|
|
|
- var dependency = parser.cache.get(cacheKey);
|
|
|
- if (dependency) return dependency;
|
|
|
- var json = parser.json;
|
|
|
- var extensions = json.extensions && json.extensions[this.name] || {};
|
|
|
- var lightDefs = extensions.lights || [];
|
|
|
- var lightDef = lightDefs[lightIndex];
|
|
|
- var lightNode;
|
|
|
- var color = new THREE.Color(0xffffff);
|
|
|
- if (lightDef.color !== undefined) color.fromArray(lightDef.color);
|
|
|
- var range = lightDef.range !== undefined ? lightDef.range : 0;
|
|
|
-
|
|
|
- switch (lightDef.type) {
|
|
|
- case 'directional':
|
|
|
- lightNode = new THREE.DirectionalLight(color);
|
|
|
- lightNode.target.position.set(0, 0, -1);
|
|
|
- lightNode.add(lightNode.target);
|
|
|
- break;
|
|
|
-
|
|
|
- case 'point':
|
|
|
- lightNode = new THREE.PointLight(color);
|
|
|
- lightNode.distance = range;
|
|
|
- break;
|
|
|
-
|
|
|
- case 'spot':
|
|
|
- lightNode = new THREE.SpotLight(color);
|
|
|
- lightNode.distance = range; // Handle spotlight properties.
|
|
|
-
|
|
|
- lightDef.spot = lightDef.spot || {};
|
|
|
- lightDef.spot.innerConeAngle = lightDef.spot.innerConeAngle !== undefined ? lightDef.spot.innerConeAngle : 0;
|
|
|
- lightDef.spot.outerConeAngle = lightDef.spot.outerConeAngle !== undefined ? lightDef.spot.outerConeAngle : Math.PI / 4.0;
|
|
|
- lightNode.angle = lightDef.spot.outerConeAngle;
|
|
|
- lightNode.penumbra = 1.0 - lightDef.spot.innerConeAngle / lightDef.spot.outerConeAngle;
|
|
|
- lightNode.target.position.set(0, 0, -1);
|
|
|
- lightNode.add(lightNode.target);
|
|
|
- break;
|
|
|
-
|
|
|
- default:
|
|
|
- throw new Error('THREE.GLTFLoader: Unexpected light type: ' + lightDef.type);
|
|
|
- } // Some lights (e.g. spot) default to a position other than the origin. Reset the position
|
|
|
- // here, because node-level parsing will only override position if explicitly specified.
|
|
|
-
|
|
|
-
|
|
|
- lightNode.position.set(0, 0, 0);
|
|
|
- lightNode.decay = 2;
|
|
|
- if (lightDef.intensity !== undefined) lightNode.intensity = lightDef.intensity;
|
|
|
- lightNode.name = parser.createUniqueName(lightDef.name || 'light_' + lightIndex);
|
|
|
- dependency = Promise.resolve(lightNode);
|
|
|
- parser.cache.add(cacheKey, dependency);
|
|
|
- return dependency;
|
|
|
- };
|
|
|
-
|
|
|
- GLTFLightsExtension.prototype.createNodeAttachment = function (nodeIndex) {
|
|
|
- var self = this;
|
|
|
- var parser = this.parser;
|
|
|
- var json = parser.json;
|
|
|
- var nodeDef = json.nodes[nodeIndex];
|
|
|
- var lightDef = nodeDef.extensions && nodeDef.extensions[this.name] || {};
|
|
|
- var lightIndex = lightDef.light;
|
|
|
- if (lightIndex === undefined) return null;
|
|
|
- return this._loadLight(lightIndex).then(function (light) {
|
|
|
- return parser._getNodeRef(self.cache, lightIndex, light);
|
|
|
- });
|
|
|
- };
|
|
|
- /**
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ GLTFLightsExtension.prototype._loadLight = function ( lightIndex ) {
|
|
|
+
|
|
|
+ var parser = this.parser;
|
|
|
+ var cacheKey = 'light:' + lightIndex;
|
|
|
+ var dependency = parser.cache.get( cacheKey );
|
|
|
+ if ( dependency ) return dependency;
|
|
|
+ var json = parser.json;
|
|
|
+ var extensions = json.extensions && json.extensions[ this.name ] || {};
|
|
|
+ var lightDefs = extensions.lights || [];
|
|
|
+ var lightDef = lightDefs[ lightIndex ];
|
|
|
+ var lightNode;
|
|
|
+ var color = new THREE.Color( 0xffffff );
|
|
|
+ if ( lightDef.color !== undefined ) color.fromArray( lightDef.color );
|
|
|
+ var range = lightDef.range !== undefined ? lightDef.range : 0;
|
|
|
+
|
|
|
+ switch ( lightDef.type ) {
|
|
|
+
|
|
|
+ case 'directional':
|
|
|
+ lightNode = new THREE.DirectionalLight( color );
|
|
|
+ lightNode.target.position.set( 0, 0, - 1 );
|
|
|
+ lightNode.add( lightNode.target );
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'point':
|
|
|
+ lightNode = new THREE.PointLight( color );
|
|
|
+ lightNode.distance = range;
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'spot':
|
|
|
+ lightNode = new THREE.SpotLight( color );
|
|
|
+ lightNode.distance = range; // Handle spotlight properties.
|
|
|
+
|
|
|
+ lightDef.spot = lightDef.spot || {};
|
|
|
+ lightDef.spot.innerConeAngle = lightDef.spot.innerConeAngle !== undefined ? lightDef.spot.innerConeAngle : 0;
|
|
|
+ lightDef.spot.outerConeAngle = lightDef.spot.outerConeAngle !== undefined ? lightDef.spot.outerConeAngle : Math.PI / 4.0;
|
|
|
+ lightNode.angle = lightDef.spot.outerConeAngle;
|
|
|
+ lightNode.penumbra = 1.0 - lightDef.spot.innerConeAngle / lightDef.spot.outerConeAngle;
|
|
|
+ lightNode.target.position.set( 0, 0, - 1 );
|
|
|
+ lightNode.add( lightNode.target );
|
|
|
+ break;
|
|
|
+
|
|
|
+ default:
|
|
|
+ throw new Error( 'THREE.GLTFLoader: Unexpected light type: ' + lightDef.type );
|
|
|
+
|
|
|
+ } // Some lights (e.g. spot) default to a position other than the origin. Reset the position
|
|
|
+ // here, because node-level parsing will only override position if explicitly specified.
|
|
|
+
|
|
|
+
|
|
|
+ lightNode.position.set( 0, 0, 0 );
|
|
|
+ lightNode.decay = 2;
|
|
|
+ if ( lightDef.intensity !== undefined ) lightNode.intensity = lightDef.intensity;
|
|
|
+ lightNode.name = parser.createUniqueName( lightDef.name || 'light_' + lightIndex );
|
|
|
+ dependency = Promise.resolve( lightNode );
|
|
|
+ parser.cache.add( cacheKey, dependency );
|
|
|
+ return dependency;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ GLTFLightsExtension.prototype.createNodeAttachment = function ( nodeIndex ) {
|
|
|
+
|
|
|
+ var self = this;
|
|
|
+ var parser = this.parser;
|
|
|
+ var json = parser.json;
|
|
|
+ var nodeDef = json.nodes[ nodeIndex ];
|
|
|
+ var lightDef = nodeDef.extensions && nodeDef.extensions[ this.name ] || {};
|
|
|
+ var lightIndex = lightDef.light;
|
|
|
+ if ( lightIndex === undefined ) return null;
|
|
|
+ return this._loadLight( lightIndex ).then( function ( light ) {
|
|
|
+
|
|
|
+ return parser._getNodeRef( self.cache, lightIndex, light );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+ /**
|
|
|
* Unlit Materials Extension
|
|
|
*
|
|
|
* Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_unlit
|
|
|
*/
|
|
|
|
|
|
|
|
|
- function GLTFMaterialsUnlitExtension() {
|
|
|
- this.name = EXTENSIONS.KHR_MATERIALS_UNLIT;
|
|
|
- }
|
|
|
+ function GLTFMaterialsUnlitExtension() {
|
|
|
+
|
|
|
+ this.name = EXTENSIONS.KHR_MATERIALS_UNLIT;
|
|
|
|
|
|
- GLTFMaterialsUnlitExtension.prototype.getMaterialType = function () {
|
|
|
- return THREE.MeshBasicMaterial;
|
|
|
- };
|
|
|
+ }
|
|
|
|
|
|
- GLTFMaterialsUnlitExtension.prototype.extendParams = function (materialParams, materialDef, parser) {
|
|
|
- var pending = [];
|
|
|
- materialParams.color = new THREE.Color(1.0, 1.0, 1.0);
|
|
|
- materialParams.opacity = 1.0;
|
|
|
- var metallicRoughness = materialDef.pbrMetallicRoughness;
|
|
|
+ GLTFMaterialsUnlitExtension.prototype.getMaterialType = function () {
|
|
|
|
|
|
- if (metallicRoughness) {
|
|
|
- if (Array.isArray(metallicRoughness.baseColorFactor)) {
|
|
|
- var array = metallicRoughness.baseColorFactor;
|
|
|
- materialParams.color.fromArray(array);
|
|
|
- materialParams.opacity = array[3];
|
|
|
- }
|
|
|
+ return THREE.MeshBasicMaterial;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ GLTFMaterialsUnlitExtension.prototype.extendParams = function ( materialParams, materialDef, parser ) {
|
|
|
+
|
|
|
+ var pending = [];
|
|
|
+ materialParams.color = new THREE.Color( 1.0, 1.0, 1.0 );
|
|
|
+ materialParams.opacity = 1.0;
|
|
|
+ var metallicRoughness = materialDef.pbrMetallicRoughness;
|
|
|
+
|
|
|
+ if ( metallicRoughness ) {
|
|
|
+
|
|
|
+ if ( Array.isArray( metallicRoughness.baseColorFactor ) ) {
|
|
|
+
|
|
|
+ var array = metallicRoughness.baseColorFactor;
|
|
|
+ materialParams.color.fromArray( array );
|
|
|
+ materialParams.opacity = array[ 3 ];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( metallicRoughness.baseColorTexture !== undefined ) {
|
|
|
+
|
|
|
+ pending.push( parser.assignTexture( materialParams, 'map', metallicRoughness.baseColorTexture ) );
|
|
|
+
|
|
|
+ }
|
|
|
|
|
|
- if (metallicRoughness.baseColorTexture !== undefined) {
|
|
|
- pending.push(parser.assignTexture(materialParams, 'map', metallicRoughness.baseColorTexture));
|
|
|
}
|
|
|
- }
|
|
|
|
|
|
- return Promise.all(pending);
|
|
|
- };
|
|
|
- /**
|
|
|
+ return Promise.all( pending );
|
|
|
+
|
|
|
+ };
|
|
|
+ /**
|
|
|
* Clearcoat Materials Extension
|
|
|
*
|
|
|
* Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_clearcoat
|
|
|
*/
|
|
|
|
|
|
|
|
|
- function GLTFMaterialsClearcoatExtension(parser) {
|
|
|
- this.parser = parser;
|
|
|
- this.name = EXTENSIONS.KHR_MATERIALS_CLEARCOAT;
|
|
|
- }
|
|
|
+ function GLTFMaterialsClearcoatExtension( parser ) {
|
|
|
|
|
|
- GLTFMaterialsClearcoatExtension.prototype.getMaterialType = function (materialIndex) {
|
|
|
- var parser = this.parser;
|
|
|
- var materialDef = parser.json.materials[materialIndex];
|
|
|
- if (!materialDef.extensions || !materialDef.extensions[this.name]) return null;
|
|
|
- return THREE.MeshPhysicalMaterial;
|
|
|
- };
|
|
|
+ this.parser = parser;
|
|
|
+ this.name = EXTENSIONS.KHR_MATERIALS_CLEARCOAT;
|
|
|
|
|
|
- GLTFMaterialsClearcoatExtension.prototype.extendMaterialParams = function (materialIndex, materialParams) {
|
|
|
- var parser = this.parser;
|
|
|
- var materialDef = parser.json.materials[materialIndex];
|
|
|
-
|
|
|
- if (!materialDef.extensions || !materialDef.extensions[this.name]) {
|
|
|
- return Promise.resolve();
|
|
|
}
|
|
|
|
|
|
- var pending = [];
|
|
|
- var extension = materialDef.extensions[this.name];
|
|
|
+ GLTFMaterialsClearcoatExtension.prototype.getMaterialType = function ( materialIndex ) {
|
|
|
|
|
|
- if (extension.clearcoatFactor !== undefined) {
|
|
|
- materialParams.clearcoat = extension.clearcoatFactor;
|
|
|
- }
|
|
|
+ var parser = this.parser;
|
|
|
+ var materialDef = parser.json.materials[ materialIndex ];
|
|
|
+ if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;
|
|
|
+ return THREE.MeshPhysicalMaterial;
|
|
|
|
|
|
- if (extension.clearcoatTexture !== undefined) {
|
|
|
- pending.push(parser.assignTexture(materialParams, 'clearcoatMap', extension.clearcoatTexture));
|
|
|
- }
|
|
|
+ };
|
|
|
|
|
|
- if (extension.clearcoatRoughnessFactor !== undefined) {
|
|
|
- materialParams.clearcoatRoughness = extension.clearcoatRoughnessFactor;
|
|
|
- }
|
|
|
+ GLTFMaterialsClearcoatExtension.prototype.extendMaterialParams = function ( materialIndex, materialParams ) {
|
|
|
|
|
|
- if (extension.clearcoatRoughnessTexture !== undefined) {
|
|
|
- pending.push(parser.assignTexture(materialParams, 'clearcoatRoughnessMap', extension.clearcoatRoughnessTexture));
|
|
|
- }
|
|
|
+ var parser = this.parser;
|
|
|
+ var materialDef = parser.json.materials[ materialIndex ];
|
|
|
|
|
|
- if (extension.clearcoatNormalTexture !== undefined) {
|
|
|
- pending.push(parser.assignTexture(materialParams, 'clearcoatNormalMap', extension.clearcoatNormalTexture));
|
|
|
+ if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {
|
|
|
|
|
|
- if (extension.clearcoatNormalTexture.scale !== undefined) {
|
|
|
- var scale = extension.clearcoatNormalTexture.scale; // https://github.com/mrdoob/three.js/issues/11438#issuecomment-507003995
|
|
|
+ return Promise.resolve();
|
|
|
|
|
|
- materialParams.clearcoatNormalScale = new THREE.Vector2(scale, -scale);
|
|
|
}
|
|
|
- }
|
|
|
|
|
|
- return Promise.all(pending);
|
|
|
- };
|
|
|
- /**
|
|
|
+ var pending = [];
|
|
|
+ var extension = materialDef.extensions[ this.name ];
|
|
|
+
|
|
|
+ if ( extension.clearcoatFactor !== undefined ) {
|
|
|
+
|
|
|
+ materialParams.clearcoat = extension.clearcoatFactor;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( extension.clearcoatTexture !== undefined ) {
|
|
|
+
|
|
|
+ pending.push( parser.assignTexture( materialParams, 'clearcoatMap', extension.clearcoatTexture ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( extension.clearcoatRoughnessFactor !== undefined ) {
|
|
|
+
|
|
|
+ materialParams.clearcoatRoughness = extension.clearcoatRoughnessFactor;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( extension.clearcoatRoughnessTexture !== undefined ) {
|
|
|
+
|
|
|
+ pending.push( parser.assignTexture( materialParams, 'clearcoatRoughnessMap', extension.clearcoatRoughnessTexture ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( extension.clearcoatNormalTexture !== undefined ) {
|
|
|
+
|
|
|
+ pending.push( parser.assignTexture( materialParams, 'clearcoatNormalMap', extension.clearcoatNormalTexture ) );
|
|
|
+
|
|
|
+ if ( extension.clearcoatNormalTexture.scale !== undefined ) {
|
|
|
+
|
|
|
+ var scale = extension.clearcoatNormalTexture.scale; // https://github.com/mrdoob/three.js/issues/11438#issuecomment-507003995
|
|
|
+
|
|
|
+ materialParams.clearcoatNormalScale = new THREE.Vector2( scale, - scale );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all( pending );
|
|
|
+
|
|
|
+ };
|
|
|
+ /**
|
|
|
* Transmission Materials Extension
|
|
|
*
|
|
|
* Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_transmission
|
|
|
@@ -428,2326 +565,3012 @@ var GLTFLoader = function () {
|
|
|
*/
|
|
|
|
|
|
|
|
|
- function GLTFMaterialsTransmissionExtension(parser) {
|
|
|
- this.parser = parser;
|
|
|
- this.name = EXTENSIONS.KHR_MATERIALS_TRANSMISSION;
|
|
|
- }
|
|
|
+ function GLTFMaterialsTransmissionExtension( parser ) {
|
|
|
+
|
|
|
+ this.parser = parser;
|
|
|
+ this.name = EXTENSIONS.KHR_MATERIALS_TRANSMISSION;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ GLTFMaterialsTransmissionExtension.prototype.getMaterialType = function ( materialIndex ) {
|
|
|
+
|
|
|
+ var parser = this.parser;
|
|
|
+ var materialDef = parser.json.materials[ materialIndex ];
|
|
|
+ if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) return null;
|
|
|
+ return THREE.MeshPhysicalMaterial;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ GLTFMaterialsTransmissionExtension.prototype.extendMaterialParams = function ( materialIndex, materialParams ) {
|
|
|
+
|
|
|
+ var parser = this.parser;
|
|
|
+ var materialDef = parser.json.materials[ materialIndex ];
|
|
|
+
|
|
|
+ if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) {
|
|
|
+
|
|
|
+ return Promise.resolve();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var pending = [];
|
|
|
+ var extension = materialDef.extensions[ this.name ];
|
|
|
+
|
|
|
+ if ( extension.transmissionFactor !== undefined ) {
|
|
|
+
|
|
|
+ materialParams.transmission = extension.transmissionFactor;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( extension.transmissionTexture !== undefined ) {
|
|
|
+
|
|
|
+ pending.push( parser.assignTexture( materialParams, 'transmissionMap', extension.transmissionTexture ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all( pending );
|
|
|
+
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * BasisU Texture Extension
|
|
|
+ *
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_texture_basisu
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ function GLTFTextureBasisUExtension( parser ) {
|
|
|
+
|
|
|
+ this.parser = parser;
|
|
|
+ this.name = EXTENSIONS.KHR_TEXTURE_BASISU;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ GLTFTextureBasisUExtension.prototype.loadTexture = function ( textureIndex ) {
|
|
|
+
|
|
|
+ var parser = this.parser;
|
|
|
+ var json = parser.json;
|
|
|
+ var textureDef = json.textures[ textureIndex ];
|
|
|
+
|
|
|
+ if ( ! textureDef.extensions || ! textureDef.extensions[ this.name ] ) {
|
|
|
+
|
|
|
+ return null;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var extension = textureDef.extensions[ this.name ];
|
|
|
+ var source = json.images[ extension.source ];
|
|
|
+ var loader = parser.options.ktx2Loader;
|
|
|
+
|
|
|
+ if ( ! loader ) {
|
|
|
+
|
|
|
+ if ( json.extensionsRequired && json.extensionsRequired.indexOf( this.name ) >= 0 ) {
|
|
|
+
|
|
|
+ throw new Error( 'THREE.GLTFLoader: setKTX2Loader must be called before loading KTX2 textures' );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ // Assumes that the extension is optional and that a fallback texture is present
|
|
|
+ return null;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return parser.loadTextureImage( textureIndex, source, loader );
|
|
|
+
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * WebP Texture Extension
|
|
|
+ *
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/EXT_texture_webp
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ function GLTFTextureWebPExtension( parser ) {
|
|
|
+
|
|
|
+ this.parser = parser;
|
|
|
+ this.name = EXTENSIONS.EXT_TEXTURE_WEBP;
|
|
|
+ this.isSupported = null;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ GLTFTextureWebPExtension.prototype.loadTexture = function ( textureIndex ) {
|
|
|
+
|
|
|
+ var name = this.name;
|
|
|
+ var parser = this.parser;
|
|
|
+ var json = parser.json;
|
|
|
+ var textureDef = json.textures[ textureIndex ];
|
|
|
+
|
|
|
+ if ( ! textureDef.extensions || ! textureDef.extensions[ name ] ) {
|
|
|
+
|
|
|
+ return null;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var extension = textureDef.extensions[ name ];
|
|
|
+ var source = json.images[ extension.source ];
|
|
|
+ var loader = parser.textureLoader;
|
|
|
+
|
|
|
+ if ( source.uri ) {
|
|
|
+
|
|
|
+ var handler = parser.options.manager.getHandler( source.uri );
|
|
|
+ if ( handler !== null ) loader = handler;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return this.detectSupport().then( function ( isSupported ) {
|
|
|
+
|
|
|
+ if ( isSupported ) return parser.loadTextureImage( textureIndex, source, loader );
|
|
|
+
|
|
|
+ if ( json.extensionsRequired && json.extensionsRequired.indexOf( name ) >= 0 ) {
|
|
|
+
|
|
|
+ throw new Error( 'THREE.GLTFLoader: WebP required by asset but unsupported.' );
|
|
|
+
|
|
|
+ } // Fall back to PNG or JPEG.
|
|
|
+
|
|
|
+
|
|
|
+ return parser.loadTexture( textureIndex );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ GLTFTextureWebPExtension.prototype.detectSupport = function () {
|
|
|
+
|
|
|
+ if ( ! this.isSupported ) {
|
|
|
+
|
|
|
+ this.isSupported = new Promise( function ( resolve ) {
|
|
|
+
|
|
|
+ var image = new Image(); // Lossy test image. Support for lossy images doesn't guarantee support for all
|
|
|
+ // WebP images, unfortunately.
|
|
|
+
|
|
|
+ image.src = 'data:image/webp;base64,UklGRiIAAABXRUJQVlA4IBYAAAAwAQCdASoBAAEADsD+JaQAA3AAAAAA';
|
|
|
+
|
|
|
+ image.onload = image.onerror = function () {
|
|
|
+
|
|
|
+ resolve( image.height === 1 );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return this.isSupported;
|
|
|
+
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * meshopt BufferView Compression Extension
|
|
|
+ *
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/EXT_meshopt_compression
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ function GLTFMeshoptCompression( parser ) {
|
|
|
+
|
|
|
+ this.name = EXTENSIONS.EXT_MESHOPT_COMPRESSION;
|
|
|
+ this.parser = parser;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ GLTFMeshoptCompression.prototype.loadBufferView = function ( index ) {
|
|
|
+
|
|
|
+ var json = this.parser.json;
|
|
|
+ var bufferView = json.bufferViews[ index ];
|
|
|
+
|
|
|
+ if ( bufferView.extensions && bufferView.extensions[ this.name ] ) {
|
|
|
+
|
|
|
+ var extensionDef = bufferView.extensions[ this.name ];
|
|
|
+ var buffer = this.parser.getDependency( 'buffer', extensionDef.buffer );
|
|
|
+ var decoder = this.parser.options.meshoptDecoder;
|
|
|
+
|
|
|
+ if ( ! decoder || ! decoder.supported ) {
|
|
|
+
|
|
|
+ if ( json.extensionsRequired && json.extensionsRequired.indexOf( this.name ) >= 0 ) {
|
|
|
+
|
|
|
+ throw new Error( 'THREE.GLTFLoader: setMeshoptDecoder must be called before loading compressed files' );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ // Assumes that the extension is optional and that fallback buffer data is present
|
|
|
+ return null;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all( [ buffer, decoder.ready ] ).then( function ( res ) {
|
|
|
+
|
|
|
+ var byteOffset = extensionDef.byteOffset || 0;
|
|
|
+ var byteLength = extensionDef.byteLength || 0;
|
|
|
+ var count = extensionDef.count;
|
|
|
+ var stride = extensionDef.byteStride;
|
|
|
+ var result = new ArrayBuffer( count * stride );
|
|
|
+ var source = new Uint8Array( res[ 0 ], byteOffset, byteLength );
|
|
|
+ decoder.decodeGltfBuffer( new Uint8Array( result ), count, stride, source, extensionDef.mode, extensionDef.filter );
|
|
|
+ return result;
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ return null;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ };
|
|
|
+ /* BINARY EXTENSION */
|
|
|
+
|
|
|
+
|
|
|
+ var BINARY_EXTENSION_HEADER_MAGIC = 'glTF';
|
|
|
+ var BINARY_EXTENSION_HEADER_LENGTH = 12;
|
|
|
+ var BINARY_EXTENSION_CHUNK_TYPES = {
|
|
|
+ JSON: 0x4E4F534A,
|
|
|
+ BIN: 0x004E4942
|
|
|
+ };
|
|
|
+
|
|
|
+ function GLTFBinaryExtension( data ) {
|
|
|
+
|
|
|
+ this.name = EXTENSIONS.KHR_BINARY_GLTF;
|
|
|
+ this.content = null;
|
|
|
+ this.body = null;
|
|
|
+ var headerView = new DataView( data, 0, BINARY_EXTENSION_HEADER_LENGTH );
|
|
|
+ this.header = {
|
|
|
+ magic: THREE.LoaderUtils.decodeText( new Uint8Array( data.slice( 0, 4 ) ) ),
|
|
|
+ version: headerView.getUint32( 4, true ),
|
|
|
+ length: headerView.getUint32( 8, true )
|
|
|
+ };
|
|
|
+
|
|
|
+ if ( this.header.magic !== BINARY_EXTENSION_HEADER_MAGIC ) {
|
|
|
+
|
|
|
+ throw new Error( 'THREE.GLTFLoader: Unsupported glTF-Binary header.' );
|
|
|
+
|
|
|
+ } else if ( this.header.version < 2.0 ) {
|
|
|
+
|
|
|
+ throw new Error( 'THREE.GLTFLoader: Legacy binary file detected.' );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var chunkContentsLength = this.header.length - BINARY_EXTENSION_HEADER_LENGTH;
|
|
|
+ var chunkView = new DataView( data, BINARY_EXTENSION_HEADER_LENGTH );
|
|
|
+ var chunkIndex = 0;
|
|
|
+
|
|
|
+ while ( chunkIndex < chunkContentsLength ) {
|
|
|
+
|
|
|
+ var chunkLength = chunkView.getUint32( chunkIndex, true );
|
|
|
+ chunkIndex += 4;
|
|
|
+ var chunkType = chunkView.getUint32( chunkIndex, true );
|
|
|
+ chunkIndex += 4;
|
|
|
+
|
|
|
+ if ( chunkType === BINARY_EXTENSION_CHUNK_TYPES.JSON ) {
|
|
|
+
|
|
|
+ var contentArray = new Uint8Array( data, BINARY_EXTENSION_HEADER_LENGTH + chunkIndex, chunkLength );
|
|
|
+ this.content = THREE.LoaderUtils.decodeText( contentArray );
|
|
|
+
|
|
|
+ } else if ( chunkType === BINARY_EXTENSION_CHUNK_TYPES.BIN ) {
|
|
|
+
|
|
|
+ var byteOffset = BINARY_EXTENSION_HEADER_LENGTH + chunkIndex;
|
|
|
+ this.body = data.slice( byteOffset, byteOffset + chunkLength );
|
|
|
+
|
|
|
+ } // Clients must ignore chunks with unknown types.
|
|
|
+
|
|
|
+
|
|
|
+ chunkIndex += chunkLength;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( this.content === null ) {
|
|
|
+
|
|
|
+ throw new Error( 'THREE.GLTFLoader: JSON content not found.' );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * DRACO THREE.Mesh Compression Extension
|
|
|
+ *
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_draco_mesh_compression
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ function GLTFDracoMeshCompressionExtension( json, dracoLoader ) {
|
|
|
+
|
|
|
+ if ( ! dracoLoader ) {
|
|
|
+
|
|
|
+ throw new Error( 'THREE.GLTFLoader: No DRACOLoader instance provided.' );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ this.name = EXTENSIONS.KHR_DRACO_MESH_COMPRESSION;
|
|
|
+ this.json = json;
|
|
|
+ this.dracoLoader = dracoLoader;
|
|
|
+ this.dracoLoader.preload();
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ GLTFDracoMeshCompressionExtension.prototype.decodePrimitive = function ( primitive, parser ) {
|
|
|
+
|
|
|
+ var json = this.json;
|
|
|
+ var dracoLoader = this.dracoLoader;
|
|
|
+ var bufferViewIndex = primitive.extensions[ this.name ].bufferView;
|
|
|
+ var gltfAttributeMap = primitive.extensions[ this.name ].attributes;
|
|
|
+ var threeAttributeMap = {};
|
|
|
+ var attributeNormalizedMap = {};
|
|
|
+ var attributeTypeMap = {};
|
|
|
+
|
|
|
+ for ( var attributeName in gltfAttributeMap ) {
|
|
|
+
|
|
|
+ var threeAttributeName = ATTRIBUTES[ attributeName ] || attributeName.toLowerCase();
|
|
|
+ threeAttributeMap[ threeAttributeName ] = gltfAttributeMap[ attributeName ];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ for ( attributeName in primitive.attributes ) {
|
|
|
+
|
|
|
+ var threeAttributeName = ATTRIBUTES[ attributeName ] || attributeName.toLowerCase();
|
|
|
+
|
|
|
+ if ( gltfAttributeMap[ attributeName ] !== undefined ) {
|
|
|
+
|
|
|
+ var accessorDef = json.accessors[ primitive.attributes[ attributeName ] ];
|
|
|
+ var componentType = WEBGL_COMPONENT_TYPES[ accessorDef.componentType ];
|
|
|
+ attributeTypeMap[ threeAttributeName ] = componentType;
|
|
|
+ attributeNormalizedMap[ threeAttributeName ] = accessorDef.normalized === true;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return parser.getDependency( 'bufferView', bufferViewIndex ).then( function ( bufferView ) {
|
|
|
+
|
|
|
+ return new Promise( function ( resolve ) {
|
|
|
+
|
|
|
+ dracoLoader.decodeDracoFile( bufferView, function ( geometry ) {
|
|
|
+
|
|
|
+ for ( var attributeName in geometry.attributes ) {
|
|
|
+
|
|
|
+ var attribute = geometry.attributes[ attributeName ];
|
|
|
+ var normalized = attributeNormalizedMap[ attributeName ];
|
|
|
+ if ( normalized !== undefined ) attribute.normalized = normalized;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ resolve( geometry );
|
|
|
+
|
|
|
+ }, threeAttributeMap, attributeTypeMap );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * Texture Transform Extension
|
|
|
+ *
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_texture_transform
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ function GLTFTextureTransformExtension() {
|
|
|
+
|
|
|
+ this.name = EXTENSIONS.KHR_TEXTURE_TRANSFORM;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ GLTFTextureTransformExtension.prototype.extendTexture = function ( texture, transform ) {
|
|
|
+
|
|
|
+ texture = texture.clone();
|
|
|
+
|
|
|
+ if ( transform.offset !== undefined ) {
|
|
|
+
|
|
|
+ texture.offset.fromArray( transform.offset );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( transform.rotation !== undefined ) {
|
|
|
+
|
|
|
+ texture.rotation = transform.rotation;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( transform.scale !== undefined ) {
|
|
|
+
|
|
|
+ texture.repeat.fromArray( transform.scale );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( transform.texCoord !== undefined ) {
|
|
|
+
|
|
|
+ console.warn( 'THREE.GLTFLoader: Custom UV sets in "' + this.name + '" extension not yet supported.' );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ texture.needsUpdate = true;
|
|
|
+ return texture;
|
|
|
+
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * Specular-Glossiness Extension
|
|
|
+ *
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_pbrSpecularGlossiness
|
|
|
+ */
|
|
|
+
|
|
|
+ /**
|
|
|
+ * A sub class of StandardMaterial with some of the functionality
|
|
|
+ * changed via the `onBeforeCompile` callback
|
|
|
+ * @pailhead
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ function GLTFMeshStandardSGMaterial( params ) {
|
|
|
+
|
|
|
+ THREE.MeshStandardMaterial.call( this );
|
|
|
+ this.isGLTFSpecularGlossinessMaterial = true; //various chunks that need replacing
|
|
|
+
|
|
|
+ var specularMapParsFragmentChunk = [ '#ifdef USE_SPECULARMAP', ' uniform sampler2D specularMap;', '#endif' ].join( '\n' );
|
|
|
+ var glossinessMapParsFragmentChunk = [ '#ifdef USE_GLOSSINESSMAP', ' uniform sampler2D glossinessMap;', '#endif' ].join( '\n' );
|
|
|
+ var specularMapFragmentChunk = [ 'vec3 specularFactor = specular;', '#ifdef USE_SPECULARMAP', ' vec4 texelSpecular = texture2D( specularMap, vUv );', ' texelSpecular = sRGBToLinear( texelSpecular );', ' // reads channel RGB, compatible with a glTF Specular-Glossiness (RGBA) texture', ' specularFactor *= texelSpecular.rgb;', '#endif' ].join( '\n' );
|
|
|
+ var glossinessMapFragmentChunk = [ 'float glossinessFactor = glossiness;', '#ifdef USE_GLOSSINESSMAP', ' vec4 texelGlossiness = texture2D( glossinessMap, vUv );', ' // reads channel A, compatible with a glTF Specular-Glossiness (RGBA) texture', ' glossinessFactor *= texelGlossiness.a;', '#endif' ].join( '\n' );
|
|
|
+ var lightPhysicalFragmentChunk = [ 'PhysicalMaterial material;', 'material.diffuseColor = diffuseColor.rgb * ( 1. - max( specularFactor.r, max( specularFactor.g, specularFactor.b ) ) );', 'vec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );', 'float geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );', 'material.specularRoughness = max( 1.0 - glossinessFactor, 0.0525 ); // 0.0525 corresponds to the base mip of a 256 cubemap.', 'material.specularRoughness += geometryRoughness;', 'material.specularRoughness = min( material.specularRoughness, 1.0 );', 'material.specularColor = specularFactor;' ].join( '\n' );
|
|
|
+ var uniforms = {
|
|
|
+ specular: {
|
|
|
+ value: new THREE.Color().setHex( 0xffffff )
|
|
|
+ },
|
|
|
+ glossiness: {
|
|
|
+ value: 1
|
|
|
+ },
|
|
|
+ specularMap: {
|
|
|
+ value: null
|
|
|
+ },
|
|
|
+ glossinessMap: {
|
|
|
+ value: null
|
|
|
+ }
|
|
|
+ };
|
|
|
+ this._extraUniforms = uniforms;
|
|
|
+
|
|
|
+ this.onBeforeCompile = function ( shader ) {
|
|
|
+
|
|
|
+ for ( var uniformName in uniforms ) {
|
|
|
+
|
|
|
+ shader.uniforms[ uniformName ] = uniforms[ uniformName ];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ shader.fragmentShader = shader.fragmentShader.replace( 'uniform float roughness;', 'uniform vec3 specular;' ).replace( 'uniform float metalness;', 'uniform float glossiness;' ).replace( '#include <roughnessmap_pars_fragment>', specularMapParsFragmentChunk ).replace( '#include <metalnessmap_pars_fragment>', glossinessMapParsFragmentChunk ).replace( '#include <roughnessmap_fragment>', specularMapFragmentChunk ).replace( '#include <metalnessmap_fragment>', glossinessMapFragmentChunk ).replace( '#include <lights_physical_fragment>', lightPhysicalFragmentChunk );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ Object.defineProperties( this, {
|
|
|
+ specular: {
|
|
|
+ get: function () {
|
|
|
+
|
|
|
+ return uniforms.specular.value;
|
|
|
+
|
|
|
+ },
|
|
|
+ set: function ( v ) {
|
|
|
+
|
|
|
+ uniforms.specular.value = v;
|
|
|
+
|
|
|
+ }
|
|
|
+ },
|
|
|
+ specularMap: {
|
|
|
+ get: function () {
|
|
|
+
|
|
|
+ return uniforms.specularMap.value;
|
|
|
+
|
|
|
+ },
|
|
|
+ set: function ( v ) {
|
|
|
+
|
|
|
+ uniforms.specularMap.value = v;
|
|
|
+
|
|
|
+ if ( v ) {
|
|
|
+
|
|
|
+ this.defines.USE_SPECULARMAP = ''; // USE_UV is set by the renderer for specular maps
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ delete this.defines.USE_SPECULARMAP;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+ },
|
|
|
+ glossiness: {
|
|
|
+ get: function () {
|
|
|
+
|
|
|
+ return uniforms.glossiness.value;
|
|
|
+
|
|
|
+ },
|
|
|
+ set: function ( v ) {
|
|
|
+
|
|
|
+ uniforms.glossiness.value = v;
|
|
|
+
|
|
|
+ }
|
|
|
+ },
|
|
|
+ glossinessMap: {
|
|
|
+ get: function () {
|
|
|
+
|
|
|
+ return uniforms.glossinessMap.value;
|
|
|
+
|
|
|
+ },
|
|
|
+ set: function ( v ) {
|
|
|
+
|
|
|
+ uniforms.glossinessMap.value = v;
|
|
|
+
|
|
|
+ if ( v ) {
|
|
|
+
|
|
|
+ this.defines.USE_GLOSSINESSMAP = '';
|
|
|
+ this.defines.USE_UV = '';
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ delete this.defines.USE_GLOSSINESSMAP;
|
|
|
+ delete this.defines.USE_UV;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } );
|
|
|
+ delete this.metalness;
|
|
|
+ delete this.roughness;
|
|
|
+ delete this.metalnessMap;
|
|
|
+ delete this.roughnessMap;
|
|
|
+ this.setValues( params );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ GLTFMeshStandardSGMaterial.prototype = Object.create( THREE.MeshStandardMaterial.prototype );
|
|
|
+ GLTFMeshStandardSGMaterial.prototype.constructor = GLTFMeshStandardSGMaterial;
|
|
|
+
|
|
|
+ GLTFMeshStandardSGMaterial.prototype.copy = function ( source ) {
|
|
|
+
|
|
|
+ THREE.MeshStandardMaterial.prototype.copy.call( this, source );
|
|
|
+ this.specularMap = source.specularMap;
|
|
|
+ this.specular.copy( source.specular );
|
|
|
+ this.glossinessMap = source.glossinessMap;
|
|
|
+ this.glossiness = source.glossiness;
|
|
|
+ delete this.metalness;
|
|
|
+ delete this.roughness;
|
|
|
+ delete this.metalnessMap;
|
|
|
+ delete this.roughnessMap;
|
|
|
+ return this;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ function GLTFMaterialsPbrSpecularGlossinessExtension() {
|
|
|
+
|
|
|
+ return {
|
|
|
+ name: EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS,
|
|
|
+ specularGlossinessParams: [ 'color', 'map', 'lightMap', 'lightMapIntensity', 'aoMap', 'aoMapIntensity', 'emissive', 'emissiveIntensity', 'emissiveMap', 'bumpMap', 'bumpScale', 'normalMap', 'normalMapType', 'displacementMap', 'displacementScale', 'displacementBias', 'specularMap', 'specular', 'glossinessMap', 'glossiness', 'alphaMap', 'envMap', 'envMapIntensity', 'refractionRatio' ],
|
|
|
+ getMaterialType: function () {
|
|
|
+
|
|
|
+ return GLTFMeshStandardSGMaterial;
|
|
|
+
|
|
|
+ },
|
|
|
+ extendParams: function ( materialParams, materialDef, parser ) {
|
|
|
+
|
|
|
+ var pbrSpecularGlossiness = materialDef.extensions[ this.name ];
|
|
|
+ materialParams.color = new THREE.Color( 1.0, 1.0, 1.0 );
|
|
|
+ materialParams.opacity = 1.0;
|
|
|
+ var pending = [];
|
|
|
+
|
|
|
+ if ( Array.isArray( pbrSpecularGlossiness.diffuseFactor ) ) {
|
|
|
+
|
|
|
+ var array = pbrSpecularGlossiness.diffuseFactor;
|
|
|
+ materialParams.color.fromArray( array );
|
|
|
+ materialParams.opacity = array[ 3 ];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( pbrSpecularGlossiness.diffuseTexture !== undefined ) {
|
|
|
+
|
|
|
+ pending.push( parser.assignTexture( materialParams, 'map', pbrSpecularGlossiness.diffuseTexture ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ materialParams.emissive = new THREE.Color( 0.0, 0.0, 0.0 );
|
|
|
+ materialParams.glossiness = pbrSpecularGlossiness.glossinessFactor !== undefined ? pbrSpecularGlossiness.glossinessFactor : 1.0;
|
|
|
+ materialParams.specular = new THREE.Color( 1.0, 1.0, 1.0 );
|
|
|
+
|
|
|
+ if ( Array.isArray( pbrSpecularGlossiness.specularFactor ) ) {
|
|
|
+
|
|
|
+ materialParams.specular.fromArray( pbrSpecularGlossiness.specularFactor );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( pbrSpecularGlossiness.specularGlossinessTexture !== undefined ) {
|
|
|
+
|
|
|
+ var specGlossMapDef = pbrSpecularGlossiness.specularGlossinessTexture;
|
|
|
+ pending.push( parser.assignTexture( materialParams, 'glossinessMap', specGlossMapDef ) );
|
|
|
+ pending.push( parser.assignTexture( materialParams, 'specularMap', specGlossMapDef ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all( pending );
|
|
|
+
|
|
|
+ },
|
|
|
+ createMaterial: function ( materialParams ) {
|
|
|
+
|
|
|
+ var material = new GLTFMeshStandardSGMaterial( materialParams );
|
|
|
+ material.fog = true;
|
|
|
+ material.color = materialParams.color;
|
|
|
+ material.map = materialParams.map === undefined ? null : materialParams.map;
|
|
|
+ material.lightMap = null;
|
|
|
+ material.lightMapIntensity = 1.0;
|
|
|
+ material.aoMap = materialParams.aoMap === undefined ? null : materialParams.aoMap;
|
|
|
+ material.aoMapIntensity = 1.0;
|
|
|
+ material.emissive = materialParams.emissive;
|
|
|
+ material.emissiveIntensity = 1.0;
|
|
|
+ material.emissiveMap = materialParams.emissiveMap === undefined ? null : materialParams.emissiveMap;
|
|
|
+ material.bumpMap = materialParams.bumpMap === undefined ? null : materialParams.bumpMap;
|
|
|
+ material.bumpScale = 1;
|
|
|
+ material.normalMap = materialParams.normalMap === undefined ? null : materialParams.normalMap;
|
|
|
+ material.normalMapType = THREE.TangentSpaceNormalMap;
|
|
|
+ if ( materialParams.normalScale ) material.normalScale = materialParams.normalScale;
|
|
|
+ material.displacementMap = null;
|
|
|
+ material.displacementScale = 1;
|
|
|
+ material.displacementBias = 0;
|
|
|
+ material.specularMap = materialParams.specularMap === undefined ? null : materialParams.specularMap;
|
|
|
+ material.specular = materialParams.specular;
|
|
|
+ material.glossinessMap = materialParams.glossinessMap === undefined ? null : materialParams.glossinessMap;
|
|
|
+ material.glossiness = materialParams.glossiness;
|
|
|
+ material.alphaMap = null;
|
|
|
+ material.envMap = materialParams.envMap === undefined ? null : materialParams.envMap;
|
|
|
+ material.envMapIntensity = 1.0;
|
|
|
+ material.refractionRatio = 0.98;
|
|
|
+ return material;
|
|
|
+
|
|
|
+ }
|
|
|
+ };
|
|
|
+
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * THREE.Mesh Quantization Extension
|
|
|
+ *
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ function GLTFMeshQuantizationExtension() {
|
|
|
+
|
|
|
+ this.name = EXTENSIONS.KHR_MESH_QUANTIZATION;
|
|
|
+
|
|
|
+ }
|
|
|
+ /*********************************/
|
|
|
+
|
|
|
+ /********** INTERPOLATION ********/
|
|
|
+
|
|
|
+ /*********************************/
|
|
|
+ // Spline Interpolation
|
|
|
+ // Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#appendix-c-spline-interpolation
|
|
|
+
|
|
|
+
|
|
|
+ function GLTFCubicSplineInterpolant( parameterPositions, sampleValues, sampleSize, resultBuffer ) {
|
|
|
+
|
|
|
+ THREE.Interpolant.call( this, parameterPositions, sampleValues, sampleSize, resultBuffer );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ GLTFCubicSplineInterpolant.prototype = Object.create( THREE.Interpolant.prototype );
|
|
|
+ GLTFCubicSplineInterpolant.prototype.constructor = GLTFCubicSplineInterpolant;
|
|
|
+
|
|
|
+ GLTFCubicSplineInterpolant.prototype.copySampleValue_ = function ( index ) {
|
|
|
+
|
|
|
+ // Copies a sample value to the result buffer. See description of glTF
|
|
|
+ // CUBICSPLINE values layout in interpolate_() function below.
|
|
|
+ var result = this.resultBuffer,
|
|
|
+ values = this.sampleValues,
|
|
|
+ valueSize = this.valueSize,
|
|
|
+ offset = index * valueSize * 3 + valueSize;
|
|
|
+
|
|
|
+ for ( var i = 0; i !== valueSize; i ++ ) {
|
|
|
+
|
|
|
+ result[ i ] = values[ offset + i ];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return result;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ GLTFCubicSplineInterpolant.prototype.beforeStart_ = GLTFCubicSplineInterpolant.prototype.copySampleValue_;
|
|
|
+ GLTFCubicSplineInterpolant.prototype.afterEnd_ = GLTFCubicSplineInterpolant.prototype.copySampleValue_;
|
|
|
+
|
|
|
+ GLTFCubicSplineInterpolant.prototype.interpolate_ = function ( i1, t0, t, t1 ) {
|
|
|
+
|
|
|
+ var result = this.resultBuffer;
|
|
|
+ var values = this.sampleValues;
|
|
|
+ var stride = this.valueSize;
|
|
|
+ var stride2 = stride * 2;
|
|
|
+ var stride3 = stride * 3;
|
|
|
+ var td = t1 - t0;
|
|
|
+ var p = ( t - t0 ) / td;
|
|
|
+ var pp = p * p;
|
|
|
+ var ppp = pp * p;
|
|
|
+ var offset1 = i1 * stride3;
|
|
|
+ var offset0 = offset1 - stride3;
|
|
|
+ var s2 = - 2 * ppp + 3 * pp;
|
|
|
+ var s3 = ppp - pp;
|
|
|
+ var s0 = 1 - s2;
|
|
|
+ var s1 = s3 - pp + p; // Layout of keyframe output values for CUBICSPLINE animations:
|
|
|
+ // [ inTangent_1, splineVertex_1, outTangent_1, inTangent_2, splineVertex_2, ... ]
|
|
|
+
|
|
|
+ for ( var i = 0; i !== stride; i ++ ) {
|
|
|
+
|
|
|
+ var p0 = values[ offset0 + i + stride ]; // splineVertex_k
|
|
|
+
|
|
|
+ var m0 = values[ offset0 + i + stride2 ] * td; // outTangent_k * (t_k+1 - t_k)
|
|
|
+
|
|
|
+ var p1 = values[ offset1 + i + stride ]; // splineVertex_k+1
|
|
|
+
|
|
|
+ var m1 = values[ offset1 + i ] * td; // inTangent_k+1 * (t_k+1 - t_k)
|
|
|
+
|
|
|
+ result[ i ] = s0 * p0 + s1 * m0 + s2 * p1 + s3 * m1;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return result;
|
|
|
+
|
|
|
+ };
|
|
|
+ /*********************************/
|
|
|
+
|
|
|
+ /********** INTERNALS ************/
|
|
|
+
|
|
|
+ /*********************************/
|
|
|
+
|
|
|
+ /* CONSTANTS */
|
|
|
+
|
|
|
+
|
|
|
+ var WEBGL_CONSTANTS = {
|
|
|
+ FLOAT: 5126,
|
|
|
+ //FLOAT_MAT2: 35674,
|
|
|
+ FLOAT_MAT3: 35675,
|
|
|
+ FLOAT_MAT4: 35676,
|
|
|
+ FLOAT_VEC2: 35664,
|
|
|
+ FLOAT_VEC3: 35665,
|
|
|
+ FLOAT_VEC4: 35666,
|
|
|
+ LINEAR: 9729,
|
|
|
+ REPEAT: 10497,
|
|
|
+ SAMPLER_2D: 35678,
|
|
|
+ POINTS: 0,
|
|
|
+ LINES: 1,
|
|
|
+ LINE_LOOP: 2,
|
|
|
+ LINE_STRIP: 3,
|
|
|
+ TRIANGLES: 4,
|
|
|
+ TRIANGLE_STRIP: 5,
|
|
|
+ TRIANGLE_FAN: 6,
|
|
|
+ UNSIGNED_BYTE: 5121,
|
|
|
+ UNSIGNED_SHORT: 5123
|
|
|
+ };
|
|
|
+ var WEBGL_COMPONENT_TYPES = {
|
|
|
+ 5120: Int8Array,
|
|
|
+ 5121: Uint8Array,
|
|
|
+ 5122: Int16Array,
|
|
|
+ 5123: Uint16Array,
|
|
|
+ 5125: Uint32Array,
|
|
|
+ 5126: Float32Array
|
|
|
+ };
|
|
|
+ var WEBGL_FILTERS = {
|
|
|
+ 9728: THREE.NearestFilter,
|
|
|
+ 9729: THREE.LinearFilter,
|
|
|
+ 9984: THREE.NearestMipmapNearestFilter,
|
|
|
+ 9985: THREE.LinearMipmapNearestFilter,
|
|
|
+ 9986: THREE.NearestMipmapLinearFilter,
|
|
|
+ 9987: THREE.LinearMipmapLinearFilter
|
|
|
+ };
|
|
|
+ var WEBGL_WRAPPINGS = {
|
|
|
+ 33071: THREE.ClampToEdgeWrapping,
|
|
|
+ 33648: THREE.MirroredRepeatWrapping,
|
|
|
+ 10497: THREE.RepeatWrapping
|
|
|
+ };
|
|
|
+ var WEBGL_TYPE_SIZES = {
|
|
|
+ 'SCALAR': 1,
|
|
|
+ 'VEC2': 2,
|
|
|
+ 'VEC3': 3,
|
|
|
+ 'VEC4': 4,
|
|
|
+ 'MAT2': 4,
|
|
|
+ 'MAT3': 9,
|
|
|
+ 'MAT4': 16
|
|
|
+ };
|
|
|
+ var ATTRIBUTES = {
|
|
|
+ POSITION: 'position',
|
|
|
+ NORMAL: 'normal',
|
|
|
+ TANGENT: 'tangent',
|
|
|
+ TEXCOORD_0: 'uv',
|
|
|
+ TEXCOORD_1: 'uv2',
|
|
|
+ COLOR_0: 'color',
|
|
|
+ WEIGHTS_0: 'skinWeight',
|
|
|
+ JOINTS_0: 'skinIndex'
|
|
|
+ };
|
|
|
+ var PATH_PROPERTIES = {
|
|
|
+ scale: 'scale',
|
|
|
+ translation: 'position',
|
|
|
+ rotation: 'quaternion',
|
|
|
+ weights: 'morphTargetInfluences'
|
|
|
+ };
|
|
|
+ var INTERPOLATION = {
|
|
|
+ CUBICSPLINE: undefined,
|
|
|
+ // We use a custom interpolant (GLTFCubicSplineInterpolation) for CUBICSPLINE tracks. Each
|
|
|
+ // keyframe track will be initialized with a default interpolation type, then modified.
|
|
|
+ LINEAR: THREE.InterpolateLinear,
|
|
|
+ STEP: THREE.InterpolateDiscrete
|
|
|
+ };
|
|
|
+ var ALPHA_MODES = {
|
|
|
+ OPAQUE: 'OPAQUE',
|
|
|
+ MASK: 'MASK',
|
|
|
+ BLEND: 'BLEND'
|
|
|
+ };
|
|
|
+ /* UTILITY FUNCTIONS */
|
|
|
+
|
|
|
+ function resolveURL( url, path ) {
|
|
|
+
|
|
|
+ // Invalid URL
|
|
|
+ if ( typeof url !== 'string' || url === '' ) return ''; // Host Relative URL
|
|
|
+
|
|
|
+ if ( /^https?:\/\//i.test( path ) && /^\//.test( url ) ) {
|
|
|
+
|
|
|
+ path = path.replace( /(^https?:\/\/[^\/]+).*/i, '$1' );
|
|
|
+
|
|
|
+ } // Absolute URL http://,https://,//
|
|
|
+
|
|
|
+
|
|
|
+ if ( /^(https?:)?\/\//i.test( url ) ) return url; // Data URI
|
|
|
+
|
|
|
+ if ( /^data:.*,.*$/i.test( url ) ) return url; // Blob URL
|
|
|
+
|
|
|
+ if ( /^blob:.*$/i.test( url ) ) return url; // Relative URL
|
|
|
+
|
|
|
+ return path + url;
|
|
|
+
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#default-material
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ function createDefaultMaterial( cache ) {
|
|
|
+
|
|
|
+ if ( cache[ 'DefaultMaterial' ] === undefined ) {
|
|
|
+
|
|
|
+ cache[ 'DefaultMaterial' ] = new THREE.MeshStandardMaterial( {
|
|
|
+ color: 0xFFFFFF,
|
|
|
+ emissive: 0x000000,
|
|
|
+ metalness: 1,
|
|
|
+ roughness: 1,
|
|
|
+ transparent: false,
|
|
|
+ depthTest: true,
|
|
|
+ side: THREE.FrontSide
|
|
|
+ } );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return cache[ 'DefaultMaterial' ];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function addUnknownExtensionsToUserData( knownExtensions, object, objectDef ) {
|
|
|
+
|
|
|
+ // Add unknown glTF extensions to an object's userData.
|
|
|
+ for ( var name in objectDef.extensions ) {
|
|
|
+
|
|
|
+ if ( knownExtensions[ name ] === undefined ) {
|
|
|
+
|
|
|
+ object.userData.gltfExtensions = object.userData.gltfExtensions || {};
|
|
|
+ object.userData.gltfExtensions[ name ] = objectDef.extensions[ name ];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * @param {Object3D|Material|BufferGeometry} object
|
|
|
+ * @param {GLTF.definition} gltfDef
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ function assignExtrasToUserData( object, gltfDef ) {
|
|
|
+
|
|
|
+ if ( gltfDef.extras !== undefined ) {
|
|
|
+
|
|
|
+ if ( typeof gltfDef.extras === 'object' ) {
|
|
|
+
|
|
|
+ Object.assign( object.userData, gltfDef.extras );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ console.warn( 'THREE.GLTFLoader: Ignoring primitive type .extras, ' + gltfDef.extras );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#morph-targets
|
|
|
+ *
|
|
|
+ * @param {BufferGeometry} geometry
|
|
|
+ * @param {Array<GLTF.Target>} targets
|
|
|
+ * @param {GLTFParser} parser
|
|
|
+ * @return {Promise<BufferGeometry>}
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ function addMorphTargets( geometry, targets, parser ) {
|
|
|
+
|
|
|
+ var hasMorphPosition = false;
|
|
|
+ var hasMorphNormal = false;
|
|
|
+
|
|
|
+ for ( var i = 0, il = targets.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ var target = targets[ i ];
|
|
|
+ if ( target.POSITION !== undefined ) hasMorphPosition = true;
|
|
|
+ if ( target.NORMAL !== undefined ) hasMorphNormal = true;
|
|
|
+ if ( hasMorphPosition && hasMorphNormal ) break;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( ! hasMorphPosition && ! hasMorphNormal ) return Promise.resolve( geometry );
|
|
|
+ var pendingPositionAccessors = [];
|
|
|
+ var pendingNormalAccessors = [];
|
|
|
+
|
|
|
+ for ( var i = 0, il = targets.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ var target = targets[ i ];
|
|
|
+
|
|
|
+ if ( hasMorphPosition ) {
|
|
|
+
|
|
|
+ var pendingAccessor = target.POSITION !== undefined ? parser.getDependency( 'accessor', target.POSITION ) : geometry.attributes.position;
|
|
|
+ pendingPositionAccessors.push( pendingAccessor );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( hasMorphNormal ) {
|
|
|
+
|
|
|
+ var pendingAccessor = target.NORMAL !== undefined ? parser.getDependency( 'accessor', target.NORMAL ) : geometry.attributes.normal;
|
|
|
+ pendingNormalAccessors.push( pendingAccessor );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all( [ Promise.all( pendingPositionAccessors ), Promise.all( pendingNormalAccessors ) ] ).then( function ( accessors ) {
|
|
|
+
|
|
|
+ var morphPositions = accessors[ 0 ];
|
|
|
+ var morphNormals = accessors[ 1 ];
|
|
|
+ if ( hasMorphPosition ) geometry.morphAttributes.position = morphPositions;
|
|
|
+ if ( hasMorphNormal ) geometry.morphAttributes.normal = morphNormals;
|
|
|
+ geometry.morphTargetsRelative = true;
|
|
|
+ return geometry;
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * @param {Mesh} mesh
|
|
|
+ * @param {GLTF.Mesh} meshDef
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ function updateMorphTargets( mesh, meshDef ) {
|
|
|
+
|
|
|
+ mesh.updateMorphTargets();
|
|
|
+
|
|
|
+ if ( meshDef.weights !== undefined ) {
|
|
|
+
|
|
|
+ for ( var i = 0, il = meshDef.weights.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ mesh.morphTargetInfluences[ i ] = meshDef.weights[ i ];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ } // .extras has user-defined data, so check that .extras.targetNames is an array.
|
|
|
+
|
|
|
+
|
|
|
+ if ( meshDef.extras && Array.isArray( meshDef.extras.targetNames ) ) {
|
|
|
+
|
|
|
+ var targetNames = meshDef.extras.targetNames;
|
|
|
+
|
|
|
+ if ( mesh.morphTargetInfluences.length === targetNames.length ) {
|
|
|
+
|
|
|
+ mesh.morphTargetDictionary = {};
|
|
|
+
|
|
|
+ for ( var i = 0, il = targetNames.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ mesh.morphTargetDictionary[ targetNames[ i ] ] = i;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ console.warn( 'THREE.GLTFLoader: Invalid extras.targetNames length. Ignoring names.' );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function createPrimitiveKey( primitiveDef ) {
|
|
|
+
|
|
|
+ var dracoExtension = primitiveDef.extensions && primitiveDef.extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ];
|
|
|
+ var geometryKey;
|
|
|
+
|
|
|
+ if ( dracoExtension ) {
|
|
|
+
|
|
|
+ geometryKey = 'draco:' + dracoExtension.bufferView + ':' + dracoExtension.indices + ':' + createAttributesKey( dracoExtension.attributes );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ geometryKey = primitiveDef.indices + ':' + createAttributesKey( primitiveDef.attributes ) + ':' + primitiveDef.mode;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return geometryKey;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function createAttributesKey( attributes ) {
|
|
|
+
|
|
|
+ var attributesKey = '';
|
|
|
+ var keys = Object.keys( attributes ).sort();
|
|
|
+
|
|
|
+ for ( var i = 0, il = keys.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ attributesKey += keys[ i ] + ':' + attributes[ keys[ i ] ] + ';';
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return attributesKey;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ function getNormalizedComponentScale( constructor ) {
|
|
|
+
|
|
|
+ // Reference:
|
|
|
+ // https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization#encoding-quantized-data
|
|
|
+ switch ( constructor ) {
|
|
|
+
|
|
|
+ case Int8Array:
|
|
|
+ return 1 / 127;
|
|
|
+
|
|
|
+ case Uint8Array:
|
|
|
+ return 1 / 255;
|
|
|
+
|
|
|
+ case Int16Array:
|
|
|
+ return 1 / 32767;
|
|
|
+
|
|
|
+ case Uint16Array:
|
|
|
+ return 1 / 65535;
|
|
|
+
|
|
|
+ default:
|
|
|
+ throw new Error( 'THREE.GLTFLoader: Unsupported normalized accessor component type.' );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+ /* GLTF PARSER */
|
|
|
+
|
|
|
+
|
|
|
+ function GLTFParser( json, options ) {
|
|
|
+
|
|
|
+ this.json = json || {};
|
|
|
+ this.extensions = {};
|
|
|
+ this.plugins = {};
|
|
|
+ this.options = options || {}; // loader object cache
|
|
|
+
|
|
|
+ this.cache = new GLTFRegistry(); // associations between Three.js objects and glTF elements
|
|
|
+
|
|
|
+ this.associations = new Map(); // THREE.BufferGeometry caching
|
|
|
+
|
|
|
+ this.primitiveCache = {}; // THREE.Object3D instance caches
|
|
|
+
|
|
|
+ this.meshCache = {
|
|
|
+ refs: {},
|
|
|
+ uses: {}
|
|
|
+ };
|
|
|
+ this.cameraCache = {
|
|
|
+ refs: {},
|
|
|
+ uses: {}
|
|
|
+ };
|
|
|
+ this.lightCache = {
|
|
|
+ refs: {},
|
|
|
+ uses: {}
|
|
|
+ }; // Track node names, to ensure no duplicates
|
|
|
+
|
|
|
+ this.nodeNamesUsed = {}; // Use an THREE.ImageBitmapLoader if imageBitmaps are supported. Moves much of the
|
|
|
+ // expensive work of uploading a texture to the GPU off the main thread.
|
|
|
+
|
|
|
+ if ( typeof createImageBitmap !== 'undefined' && /Firefox/.test( navigator.userAgent ) === false ) {
|
|
|
+
|
|
|
+ this.textureLoader = new THREE.ImageBitmapLoader( this.options.manager );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ this.textureLoader = new THREE.TextureLoader( this.options.manager );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ this.textureLoader.setCrossOrigin( this.options.crossOrigin );
|
|
|
+ this.textureLoader.setRequestHeader( this.options.requestHeader );
|
|
|
+ this.fileLoader = new THREE.FileLoader( this.options.manager );
|
|
|
+ this.fileLoader.setResponseType( 'arraybuffer' );
|
|
|
+
|
|
|
+ if ( this.options.crossOrigin === 'use-credentials' ) {
|
|
|
+
|
|
|
+ this.fileLoader.setWithCredentials( true );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ GLTFParser.prototype.setExtensions = function ( extensions ) {
|
|
|
+
|
|
|
+ this.extensions = extensions;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ GLTFParser.prototype.setPlugins = function ( plugins ) {
|
|
|
+
|
|
|
+ this.plugins = plugins;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ GLTFParser.prototype.parse = function ( onLoad, onError ) {
|
|
|
+
|
|
|
+ var parser = this;
|
|
|
+ var json = this.json;
|
|
|
+ var extensions = this.extensions; // Clear the loader cache
|
|
|
+
|
|
|
+ this.cache.removeAll(); // Mark the special nodes/meshes in json for efficient parse
|
|
|
+
|
|
|
+ this._invokeAll( function ( ext ) {
|
|
|
+
|
|
|
+ return ext._markDefs && ext._markDefs();
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ Promise.all( this._invokeAll( function ( ext ) {
|
|
|
+
|
|
|
+ return ext.beforeRoot && ext.beforeRoot();
|
|
|
+
|
|
|
+ } ) ).then( function () {
|
|
|
+
|
|
|
+ return Promise.all( [ parser.getDependencies( 'scene' ), parser.getDependencies( 'animation' ), parser.getDependencies( 'camera' ) ] );
|
|
|
+
|
|
|
+ } ).then( function ( dependencies ) {
|
|
|
+
|
|
|
+ var result = {
|
|
|
+ scene: dependencies[ 0 ][ json.scene || 0 ],
|
|
|
+ scenes: dependencies[ 0 ],
|
|
|
+ animations: dependencies[ 1 ],
|
|
|
+ cameras: dependencies[ 2 ],
|
|
|
+ asset: json.asset,
|
|
|
+ parser: parser,
|
|
|
+ userData: {}
|
|
|
+ };
|
|
|
+ addUnknownExtensionsToUserData( extensions, result, json );
|
|
|
+ assignExtrasToUserData( result, json );
|
|
|
+ Promise.all( parser._invokeAll( function ( ext ) {
|
|
|
+
|
|
|
+ return ext.afterRoot && ext.afterRoot( result );
|
|
|
+
|
|
|
+ } ) ).then( function () {
|
|
|
+
|
|
|
+ onLoad( result );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ } ).catch( onError );
|
|
|
+
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * Marks the special nodes/meshes in json for efficient parse.
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ GLTFParser.prototype._markDefs = function () {
|
|
|
+
|
|
|
+ var nodeDefs = this.json.nodes || [];
|
|
|
+ var skinDefs = this.json.skins || [];
|
|
|
+ var meshDefs = this.json.meshes || []; // Nothing in the node definition indicates whether it is a THREE.Bone or an
|
|
|
+ // THREE.Object3D. Use the skins' joint references to mark bones.
|
|
|
+
|
|
|
+ for ( var skinIndex = 0, skinLength = skinDefs.length; skinIndex < skinLength; skinIndex ++ ) {
|
|
|
+
|
|
|
+ var joints = skinDefs[ skinIndex ].joints;
|
|
|
+
|
|
|
+ for ( var i = 0, il = joints.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ nodeDefs[ joints[ i ] ].isBone = true;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ } // Iterate over all nodes, marking references to shared resources,
|
|
|
+ // as well as skeleton joints.
|
|
|
+
|
|
|
+
|
|
|
+ for ( var nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex ++ ) {
|
|
|
+
|
|
|
+ var nodeDef = nodeDefs[ nodeIndex ];
|
|
|
+
|
|
|
+ if ( nodeDef.mesh !== undefined ) {
|
|
|
+
|
|
|
+ this._addNodeRef( this.meshCache, nodeDef.mesh ); // Nothing in the mesh definition indicates whether it is
|
|
|
+ // a THREE.SkinnedMesh or THREE.Mesh. Use the node's mesh reference
|
|
|
+ // to mark THREE.SkinnedMesh if node has skin.
|
|
|
+
|
|
|
+
|
|
|
+ if ( nodeDef.skin !== undefined ) {
|
|
|
+
|
|
|
+ meshDefs[ nodeDef.mesh ].isSkinnedMesh = true;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( nodeDef.camera !== undefined ) {
|
|
|
+
|
|
|
+ this._addNodeRef( this.cameraCache, nodeDef.camera );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * Counts references to shared node / THREE.Object3D resources. These resources
|
|
|
+ * can be reused, or "instantiated", at multiple nodes in the scene
|
|
|
+ * hierarchy. THREE.Mesh, Camera, and Light instances are instantiated and must
|
|
|
+ * be marked. Non-scenegraph resources (like Materials, Geometries, and
|
|
|
+ * Textures) can be reused directly and are not marked here.
|
|
|
+ *
|
|
|
+ * Example: CesiumMilkTruck sample model reuses "Wheel" meshes.
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ GLTFParser.prototype._addNodeRef = function ( cache, index ) {
|
|
|
+
|
|
|
+ if ( index === undefined ) return;
|
|
|
+
|
|
|
+ if ( cache.refs[ index ] === undefined ) {
|
|
|
+
|
|
|
+ cache.refs[ index ] = cache.uses[ index ] = 0;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ cache.refs[ index ] ++;
|
|
|
+
|
|
|
+ };
|
|
|
+ /** Returns a reference to a shared resource, cloning it if necessary. */
|
|
|
+
|
|
|
+
|
|
|
+ GLTFParser.prototype._getNodeRef = function ( cache, index, object ) {
|
|
|
+
|
|
|
+ if ( cache.refs[ index ] <= 1 ) return object;
|
|
|
+ var ref = object.clone();
|
|
|
+ ref.name += '_instance_' + cache.uses[ index ] ++;
|
|
|
+ return ref;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ GLTFParser.prototype._invokeOne = function ( func ) {
|
|
|
+
|
|
|
+ var extensions = Object.values( this.plugins );
|
|
|
+ extensions.push( this );
|
|
|
+
|
|
|
+ for ( var i = 0; i < extensions.length; i ++ ) {
|
|
|
+
|
|
|
+ var result = func( extensions[ i ] );
|
|
|
+ if ( result ) return result;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return null;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ GLTFParser.prototype._invokeAll = function ( func ) {
|
|
|
+
|
|
|
+ var extensions = Object.values( this.plugins );
|
|
|
+ extensions.unshift( this );
|
|
|
+ var pending = [];
|
|
|
+
|
|
|
+ for ( var i = 0; i < extensions.length; i ++ ) {
|
|
|
+
|
|
|
+ var result = func( extensions[ i ] );
|
|
|
+ if ( result ) pending.push( result );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return pending;
|
|
|
+
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * Requests the specified dependency asynchronously, with caching.
|
|
|
+ * @param {string} type
|
|
|
+ * @param {number} index
|
|
|
+ * @return {Promise<Object3D|Material|THREE.Texture|AnimationClip|ArrayBuffer|Object>}
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ GLTFParser.prototype.getDependency = function ( type, index ) {
|
|
|
+
|
|
|
+ var cacheKey = type + ':' + index;
|
|
|
+ var dependency = this.cache.get( cacheKey );
|
|
|
+
|
|
|
+ if ( ! dependency ) {
|
|
|
+
|
|
|
+ switch ( type ) {
|
|
|
+
|
|
|
+ case 'scene':
|
|
|
+ dependency = this.loadScene( index );
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'node':
|
|
|
+ dependency = this.loadNode( index );
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'mesh':
|
|
|
+ dependency = this._invokeOne( function ( ext ) {
|
|
|
+
|
|
|
+ return ext.loadMesh && ext.loadMesh( index );
|
|
|
+
|
|
|
+ } );
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'accessor':
|
|
|
+ dependency = this.loadAccessor( index );
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'bufferView':
|
|
|
+ dependency = this._invokeOne( function ( ext ) {
|
|
|
+
|
|
|
+ return ext.loadBufferView && ext.loadBufferView( index );
|
|
|
+
|
|
|
+ } );
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'buffer':
|
|
|
+ dependency = this.loadBuffer( index );
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'material':
|
|
|
+ dependency = this._invokeOne( function ( ext ) {
|
|
|
+
|
|
|
+ return ext.loadMaterial && ext.loadMaterial( index );
|
|
|
+
|
|
|
+ } );
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'texture':
|
|
|
+ dependency = this._invokeOne( function ( ext ) {
|
|
|
+
|
|
|
+ return ext.loadTexture && ext.loadTexture( index );
|
|
|
+
|
|
|
+ } );
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'skin':
|
|
|
+ dependency = this.loadSkin( index );
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'animation':
|
|
|
+ dependency = this.loadAnimation( index );
|
|
|
+ break;
|
|
|
+
|
|
|
+ case 'camera':
|
|
|
+ dependency = this.loadCamera( index );
|
|
|
+ break;
|
|
|
+
|
|
|
+ default:
|
|
|
+ throw new Error( 'Unknown type: ' + type );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ this.cache.add( cacheKey, dependency );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return dependency;
|
|
|
+
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * Requests all dependencies of the specified type asynchronously, with caching.
|
|
|
+ * @param {string} type
|
|
|
+ * @return {Promise<Array<Object>>}
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ GLTFParser.prototype.getDependencies = function ( type ) {
|
|
|
+
|
|
|
+ var dependencies = this.cache.get( type );
|
|
|
+
|
|
|
+ if ( ! dependencies ) {
|
|
|
+
|
|
|
+ var parser = this;
|
|
|
+ var defs = this.json[ type + ( type === 'mesh' ? 'es' : 's' ) ] || [];
|
|
|
+ dependencies = Promise.all( defs.map( function ( def, index ) {
|
|
|
+
|
|
|
+ return parser.getDependency( type, index );
|
|
|
+
|
|
|
+ } ) );
|
|
|
+ this.cache.add( type, dependencies );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return dependencies;
|
|
|
+
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views
|
|
|
+ * @param {number} bufferIndex
|
|
|
+ * @return {Promise<ArrayBuffer>}
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ GLTFParser.prototype.loadBuffer = function ( bufferIndex ) {
|
|
|
+
|
|
|
+ var bufferDef = this.json.buffers[ bufferIndex ];
|
|
|
+ var loader = this.fileLoader;
|
|
|
+
|
|
|
+ if ( bufferDef.type && bufferDef.type !== 'arraybuffer' ) {
|
|
|
+
|
|
|
+ throw new Error( 'THREE.GLTFLoader: ' + bufferDef.type + ' buffer type is not supported.' );
|
|
|
+
|
|
|
+ } // If present, GLB container is required to be the first buffer.
|
|
|
+
|
|
|
+
|
|
|
+ if ( bufferDef.uri === undefined && bufferIndex === 0 ) {
|
|
|
+
|
|
|
+ return Promise.resolve( this.extensions[ EXTENSIONS.KHR_BINARY_GLTF ].body );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var options = this.options;
|
|
|
+ return new Promise( function ( resolve, reject ) {
|
|
|
+
|
|
|
+ loader.load( resolveURL( bufferDef.uri, options.path ), resolve, undefined, function () {
|
|
|
+
|
|
|
+ reject( new Error( 'THREE.GLTFLoader: Failed to load buffer "' + bufferDef.uri + '".' ) );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views
|
|
|
+ * @param {number} bufferViewIndex
|
|
|
+ * @return {Promise<ArrayBuffer>}
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ GLTFParser.prototype.loadBufferView = function ( bufferViewIndex ) {
|
|
|
+
|
|
|
+ var bufferViewDef = this.json.bufferViews[ bufferViewIndex ];
|
|
|
+ return this.getDependency( 'buffer', bufferViewDef.buffer ).then( function ( buffer ) {
|
|
|
+
|
|
|
+ var byteLength = bufferViewDef.byteLength || 0;
|
|
|
+ var byteOffset = bufferViewDef.byteOffset || 0;
|
|
|
+ return buffer.slice( byteOffset, byteOffset + byteLength );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#accessors
|
|
|
+ * @param {number} accessorIndex
|
|
|
+ * @return {Promise<BufferAttribute|InterleavedBufferAttribute>}
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ GLTFParser.prototype.loadAccessor = function ( accessorIndex ) {
|
|
|
+
|
|
|
+ var parser = this;
|
|
|
+ var json = this.json;
|
|
|
+ var accessorDef = this.json.accessors[ accessorIndex ];
|
|
|
+
|
|
|
+ if ( accessorDef.bufferView === undefined && accessorDef.sparse === undefined ) {
|
|
|
+
|
|
|
+ // Ignore empty accessors, which may be used to declare runtime
|
|
|
+ // information about attributes coming from another source (e.g. Draco
|
|
|
+ // compression extension).
|
|
|
+ return Promise.resolve( null );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var pendingBufferViews = [];
|
|
|
+
|
|
|
+ if ( accessorDef.bufferView !== undefined ) {
|
|
|
+
|
|
|
+ pendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.bufferView ) );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ pendingBufferViews.push( null );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( accessorDef.sparse !== undefined ) {
|
|
|
+
|
|
|
+ pendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.sparse.indices.bufferView ) );
|
|
|
+ pendingBufferViews.push( this.getDependency( 'bufferView', accessorDef.sparse.values.bufferView ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all( pendingBufferViews ).then( function ( bufferViews ) {
|
|
|
+
|
|
|
+ var bufferView = bufferViews[ 0 ];
|
|
|
+ var itemSize = WEBGL_TYPE_SIZES[ accessorDef.type ];
|
|
|
+ var TypedArray = WEBGL_COMPONENT_TYPES[ accessorDef.componentType ]; // For VEC3: itemSize is 3, elementBytes is 4, itemBytes is 12.
|
|
|
+
|
|
|
+ var elementBytes = TypedArray.BYTES_PER_ELEMENT;
|
|
|
+ var itemBytes = elementBytes * itemSize;
|
|
|
+ var byteOffset = accessorDef.byteOffset || 0;
|
|
|
+ var byteStride = accessorDef.bufferView !== undefined ? json.bufferViews[ accessorDef.bufferView ].byteStride : undefined;
|
|
|
+ var normalized = accessorDef.normalized === true;
|
|
|
+ var array, bufferAttribute; // The buffer is not interleaved if the stride is the item size in bytes.
|
|
|
+
|
|
|
+ if ( byteStride && byteStride !== itemBytes ) {
|
|
|
+
|
|
|
+ // Each "slice" of the buffer, as defined by 'count' elements of 'byteStride' bytes, gets its own THREE.InterleavedBuffer
|
|
|
+ // This makes sure that IBA.count reflects accessor.count properly
|
|
|
+ var ibSlice = Math.floor( byteOffset / byteStride );
|
|
|
+ var ibCacheKey = 'InterleavedBuffer:' + accessorDef.bufferView + ':' + accessorDef.componentType + ':' + ibSlice + ':' + accessorDef.count;
|
|
|
+ var ib = parser.cache.get( ibCacheKey );
|
|
|
+
|
|
|
+ if ( ! ib ) {
|
|
|
+
|
|
|
+ array = new TypedArray( bufferView, ibSlice * byteStride, accessorDef.count * byteStride / elementBytes ); // Integer parameters to IB/IBA are in array elements, not bytes.
|
|
|
+
|
|
|
+ ib = new THREE.InterleavedBuffer( array, byteStride / elementBytes );
|
|
|
+ parser.cache.add( ibCacheKey, ib );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ bufferAttribute = new THREE.InterleavedBufferAttribute( ib, itemSize, byteOffset % byteStride / elementBytes, normalized );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ if ( bufferView === null ) {
|
|
|
+
|
|
|
+ array = new TypedArray( accessorDef.count * itemSize );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ array = new TypedArray( bufferView, byteOffset, accessorDef.count * itemSize );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ bufferAttribute = new THREE.BufferAttribute( array, itemSize, normalized );
|
|
|
+
|
|
|
+ } // https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#sparse-accessors
|
|
|
+
|
|
|
+
|
|
|
+ if ( accessorDef.sparse !== undefined ) {
|
|
|
+
|
|
|
+ var itemSizeIndices = WEBGL_TYPE_SIZES.SCALAR;
|
|
|
+ var TypedArrayIndices = WEBGL_COMPONENT_TYPES[ accessorDef.sparse.indices.componentType ];
|
|
|
+ var byteOffsetIndices = accessorDef.sparse.indices.byteOffset || 0;
|
|
|
+ var byteOffsetValues = accessorDef.sparse.values.byteOffset || 0;
|
|
|
+ var sparseIndices = new TypedArrayIndices( bufferViews[ 1 ], byteOffsetIndices, accessorDef.sparse.count * itemSizeIndices );
|
|
|
+ var sparseValues = new TypedArray( bufferViews[ 2 ], byteOffsetValues, accessorDef.sparse.count * itemSize );
|
|
|
+
|
|
|
+ if ( bufferView !== null ) {
|
|
|
+
|
|
|
+ // Avoid modifying the original ArrayBuffer, if the bufferView wasn't initialized with zeroes.
|
|
|
+ bufferAttribute = new THREE.BufferAttribute( bufferAttribute.array.slice(), bufferAttribute.itemSize, bufferAttribute.normalized );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ for ( var i = 0, il = sparseIndices.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ var index = sparseIndices[ i ];
|
|
|
+ bufferAttribute.setX( index, sparseValues[ i * itemSize ] );
|
|
|
+ if ( itemSize >= 2 ) bufferAttribute.setY( index, sparseValues[ i * itemSize + 1 ] );
|
|
|
+ if ( itemSize >= 3 ) bufferAttribute.setZ( index, sparseValues[ i * itemSize + 2 ] );
|
|
|
+ if ( itemSize >= 4 ) bufferAttribute.setW( index, sparseValues[ i * itemSize + 3 ] );
|
|
|
+ if ( itemSize >= 5 ) throw new Error( 'THREE.GLTFLoader: Unsupported itemSize in sparse THREE.BufferAttribute.' );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return bufferAttribute;
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#textures
|
|
|
+ * @param {number} textureIndex
|
|
|
+ * @return {Promise<THREE.Texture>}
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ GLTFParser.prototype.loadTexture = function ( textureIndex ) {
|
|
|
+
|
|
|
+ var json = this.json;
|
|
|
+ var options = this.options;
|
|
|
+ var textureDef = json.textures[ textureIndex ];
|
|
|
+ var source = json.images[ textureDef.source ];
|
|
|
+ var loader = this.textureLoader;
|
|
|
+
|
|
|
+ if ( source.uri ) {
|
|
|
+
|
|
|
+ var handler = options.manager.getHandler( source.uri );
|
|
|
+ if ( handler !== null ) loader = handler;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return this.loadTextureImage( textureIndex, source, loader );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ GLTFParser.prototype.loadTextureImage = function ( textureIndex, source, loader ) {
|
|
|
+
|
|
|
+ var parser = this;
|
|
|
+ var json = this.json;
|
|
|
+ var options = this.options;
|
|
|
+ var textureDef = json.textures[ textureIndex ];
|
|
|
+ var URL = self.URL || self.webkitURL;
|
|
|
+ var sourceURI = source.uri;
|
|
|
+ var isObjectURL = false;
|
|
|
+ var hasAlpha = true;
|
|
|
+ if ( source.mimeType === 'image/jpeg' ) hasAlpha = false;
|
|
|
+
|
|
|
+ if ( source.bufferView !== undefined ) {
|
|
|
+
|
|
|
+ // Load binary image data from bufferView, if provided.
|
|
|
+ sourceURI = parser.getDependency( 'bufferView', source.bufferView ).then( function ( bufferView ) {
|
|
|
+
|
|
|
+ if ( source.mimeType === 'image/png' ) {
|
|
|
+
|
|
|
+ // Inspect the PNG 'IHDR' chunk to determine whether the image could have an
|
|
|
+ // alpha channel. This check is conservative — the image could have an alpha
|
|
|
+ // channel with all values == 1, and the indexed type (colorType == 3) only
|
|
|
+ // sometimes contains alpha.
|
|
|
+ //
|
|
|
+ // https://en.wikipedia.org/wiki/Portable_Network_Graphics#File_header
|
|
|
+ var colorType = new DataView( bufferView, 25, 1 ).getUint8( 0, false );
|
|
|
+ hasAlpha = colorType === 6 || colorType === 4 || colorType === 3;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ isObjectURL = true;
|
|
|
+ var blob = new Blob( [ bufferView ], {
|
|
|
+ type: source.mimeType
|
|
|
+ } );
|
|
|
+ sourceURI = URL.createObjectURL( blob );
|
|
|
+ return sourceURI;
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ } else if ( source.uri === undefined ) {
|
|
|
+
|
|
|
+ throw new Error( 'THREE.GLTFLoader: Image ' + textureIndex + ' is missing URI and bufferView' );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.resolve( sourceURI ).then( function ( sourceURI ) {
|
|
|
+
|
|
|
+ return new Promise( function ( resolve, reject ) {
|
|
|
+
|
|
|
+ var onLoad = resolve;
|
|
|
+
|
|
|
+ if ( loader.isImageBitmapLoader === true ) {
|
|
|
+
|
|
|
+ onLoad = function ( imageBitmap ) {
|
|
|
+
|
|
|
+ resolve( new THREE.CanvasTexture( imageBitmap ) );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ loader.load( resolveURL( sourceURI, options.path ), onLoad, undefined, reject );
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ } ).then( function ( texture ) {
|
|
|
+
|
|
|
+ // Clean up resources and configure Texture.
|
|
|
+ if ( isObjectURL === true ) {
|
|
|
+
|
|
|
+ URL.revokeObjectURL( sourceURI );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ texture.flipY = false;
|
|
|
+ if ( textureDef.name ) texture.name = textureDef.name; // When there is definitely no alpha channel in the texture, set THREE.RGBFormat to save space.
|
|
|
+
|
|
|
+ if ( ! hasAlpha ) texture.format = THREE.RGBFormat;
|
|
|
+ var samplers = json.samplers || {};
|
|
|
+ var sampler = samplers[ textureDef.sampler ] || {};
|
|
|
+ texture.magFilter = WEBGL_FILTERS[ sampler.magFilter ] || THREE.LinearFilter;
|
|
|
+ texture.minFilter = WEBGL_FILTERS[ sampler.minFilter ] || THREE.LinearMipmapLinearFilter;
|
|
|
+ texture.wrapS = WEBGL_WRAPPINGS[ sampler.wrapS ] || THREE.RepeatWrapping;
|
|
|
+ texture.wrapT = WEBGL_WRAPPINGS[ sampler.wrapT ] || THREE.RepeatWrapping;
|
|
|
+ parser.associations.set( texture, {
|
|
|
+ type: 'textures',
|
|
|
+ index: textureIndex
|
|
|
+ } );
|
|
|
+ return texture;
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * Asynchronously assigns a texture to the given material parameters.
|
|
|
+ * @param {Object} materialParams
|
|
|
+ * @param {string} mapName
|
|
|
+ * @param {Object} mapDef
|
|
|
+ * @return {Promise}
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ GLTFParser.prototype.assignTexture = function ( materialParams, mapName, mapDef ) {
|
|
|
+
|
|
|
+ var parser = this;
|
|
|
+ return this.getDependency( 'texture', mapDef.index ).then( function ( texture ) {
|
|
|
+
|
|
|
+ // Materials sample aoMap from UV set 1 and other maps from UV set 0 - this can't be configured
|
|
|
+ // However, we will copy UV set 0 to UV set 1 on demand for aoMap
|
|
|
+ if ( mapDef.texCoord !== undefined && mapDef.texCoord != 0 && ! ( mapName === 'aoMap' && mapDef.texCoord == 1 ) ) {
|
|
|
+
|
|
|
+ console.warn( 'THREE.GLTFLoader: Custom UV set ' + mapDef.texCoord + ' for texture ' + mapName + ' not yet supported.' );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( parser.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ] ) {
|
|
|
+
|
|
|
+ var transform = mapDef.extensions !== undefined ? mapDef.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ] : undefined;
|
|
|
+
|
|
|
+ if ( transform ) {
|
|
|
+
|
|
|
+ var gltfReference = parser.associations.get( texture );
|
|
|
+ texture = parser.extensions[ EXTENSIONS.KHR_TEXTURE_TRANSFORM ].extendTexture( texture, transform );
|
|
|
+ parser.associations.set( texture, gltfReference );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ materialParams[ mapName ] = texture;
|
|
|
+
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * Assigns final material to a THREE.Mesh, THREE.Line, or THREE.Points instance. The instance
|
|
|
+ * already has a material (generated from the glTF material options alone)
|
|
|
+ * but reuse of the same glTF material may require multiple threejs materials
|
|
|
+ * to accommodate different primitive types, defines, etc. New materials will
|
|
|
+ * be created if necessary, and reused from a cache.
|
|
|
+ * @param {Object3D} mesh THREE.Mesh, THREE.Line, or THREE.Points instance.
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ GLTFParser.prototype.assignFinalMaterial = function ( mesh ) {
|
|
|
+
|
|
|
+ var geometry = mesh.geometry;
|
|
|
+ var material = mesh.material;
|
|
|
+ var useVertexTangents = geometry.attributes.tangent !== undefined;
|
|
|
+ var useVertexColors = geometry.attributes.color !== undefined;
|
|
|
+ var useFlatShading = geometry.attributes.normal === undefined;
|
|
|
+ var useSkinning = mesh.isSkinnedMesh === true;
|
|
|
+ var useMorphTargets = Object.keys( geometry.morphAttributes ).length > 0;
|
|
|
+ var useMorphNormals = useMorphTargets && geometry.morphAttributes.normal !== undefined;
|
|
|
+
|
|
|
+ if ( mesh.isPoints ) {
|
|
|
+
|
|
|
+ var cacheKey = 'PointsMaterial:' + material.uuid;
|
|
|
+ var pointsMaterial = this.cache.get( cacheKey );
|
|
|
+
|
|
|
+ if ( ! pointsMaterial ) {
|
|
|
+
|
|
|
+ pointsMaterial = new THREE.PointsMaterial();
|
|
|
+ THREE.Material.prototype.copy.call( pointsMaterial, material );
|
|
|
+ pointsMaterial.color.copy( material.color );
|
|
|
+ pointsMaterial.map = material.map;
|
|
|
+ pointsMaterial.sizeAttenuation = false; // glTF spec says points should be 1px
|
|
|
+
|
|
|
+ this.cache.add( cacheKey, pointsMaterial );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ material = pointsMaterial;
|
|
|
+
|
|
|
+ } else if ( mesh.isLine ) {
|
|
|
+
|
|
|
+ var cacheKey = 'LineBasicMaterial:' + material.uuid;
|
|
|
+ var lineMaterial = this.cache.get( cacheKey );
|
|
|
+
|
|
|
+ if ( ! lineMaterial ) {
|
|
|
+
|
|
|
+ lineMaterial = new THREE.LineBasicMaterial();
|
|
|
+ THREE.Material.prototype.copy.call( lineMaterial, material );
|
|
|
+ lineMaterial.color.copy( material.color );
|
|
|
+ this.cache.add( cacheKey, lineMaterial );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ material = lineMaterial;
|
|
|
+
|
|
|
+ } // Clone the material if it will be modified
|
|
|
+
|
|
|
+
|
|
|
+ if ( useVertexTangents || useVertexColors || useFlatShading || useSkinning || useMorphTargets ) {
|
|
|
+
|
|
|
+ var cacheKey = 'ClonedMaterial:' + material.uuid + ':';
|
|
|
+ if ( material.isGLTFSpecularGlossinessMaterial ) cacheKey += 'specular-glossiness:';
|
|
|
+ if ( useSkinning ) cacheKey += 'skinning:';
|
|
|
+ if ( useVertexTangents ) cacheKey += 'vertex-tangents:';
|
|
|
+ if ( useVertexColors ) cacheKey += 'vertex-colors:';
|
|
|
+ if ( useFlatShading ) cacheKey += 'flat-shading:';
|
|
|
+ if ( useMorphTargets ) cacheKey += 'morph-targets:';
|
|
|
+ if ( useMorphNormals ) cacheKey += 'morph-normals:';
|
|
|
+ var cachedMaterial = this.cache.get( cacheKey );
|
|
|
+
|
|
|
+ if ( ! cachedMaterial ) {
|
|
|
+
|
|
|
+ cachedMaterial = material.clone();
|
|
|
+ if ( useSkinning ) cachedMaterial.skinning = true;
|
|
|
+ if ( useVertexColors ) cachedMaterial.vertexColors = true;
|
|
|
+ if ( useFlatShading ) cachedMaterial.flatShading = true;
|
|
|
+ if ( useMorphTargets ) cachedMaterial.morphTargets = true;
|
|
|
+ if ( useMorphNormals ) cachedMaterial.morphNormals = true;
|
|
|
+
|
|
|
+ if ( useVertexTangents ) {
|
|
|
+
|
|
|
+ cachedMaterial.vertexTangents = true; // https://github.com/mrdoob/three.js/issues/11438#issuecomment-507003995
|
|
|
+
|
|
|
+ if ( cachedMaterial.normalScale ) cachedMaterial.normalScale.y *= - 1;
|
|
|
+ if ( cachedMaterial.clearcoatNormalScale ) cachedMaterial.clearcoatNormalScale.y *= - 1;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ this.cache.add( cacheKey, cachedMaterial );
|
|
|
+ this.associations.set( cachedMaterial, this.associations.get( material ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ material = cachedMaterial;
|
|
|
+
|
|
|
+ } // workarounds for mesh and geometry
|
|
|
+
|
|
|
+
|
|
|
+ if ( material.aoMap && geometry.attributes.uv2 === undefined && geometry.attributes.uv !== undefined ) {
|
|
|
+
|
|
|
+ geometry.setAttribute( 'uv2', geometry.attributes.uv );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ mesh.material = material;
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ GLTFParser.prototype.getMaterialType = function ( ) {
|
|
|
+
|
|
|
+ return THREE.MeshStandardMaterial;
|
|
|
+
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#materials
|
|
|
+ * @param {number} materialIndex
|
|
|
+ * @return {Promise<Material>}
|
|
|
+ */
|
|
|
+
|
|
|
+
|
|
|
+ GLTFParser.prototype.loadMaterial = function ( materialIndex ) {
|
|
|
+
|
|
|
+ var parser = this;
|
|
|
+ var json = this.json;
|
|
|
+ var extensions = this.extensions;
|
|
|
+ var materialDef = json.materials[ materialIndex ];
|
|
|
+ var materialType;
|
|
|
+ var materialParams = {};
|
|
|
+ var materialExtensions = materialDef.extensions || {};
|
|
|
+ var pending = [];
|
|
|
+
|
|
|
+ if ( materialExtensions[ EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ] ) {
|
|
|
+
|
|
|
+ var sgExtension = extensions[ EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ];
|
|
|
+ materialType = sgExtension.getMaterialType();
|
|
|
+ pending.push( sgExtension.extendParams( materialParams, materialDef, parser ) );
|
|
|
+
|
|
|
+ } else if ( materialExtensions[ EXTENSIONS.KHR_MATERIALS_UNLIT ] ) {
|
|
|
+
|
|
|
+ var kmuExtension = extensions[ EXTENSIONS.KHR_MATERIALS_UNLIT ];
|
|
|
+ materialType = kmuExtension.getMaterialType();
|
|
|
+ pending.push( kmuExtension.extendParams( materialParams, materialDef, parser ) );
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ // Specification:
|
|
|
+ // https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#metallic-roughness-material
|
|
|
+ var metallicRoughness = materialDef.pbrMetallicRoughness || {};
|
|
|
+ materialParams.color = new THREE.Color( 1.0, 1.0, 1.0 );
|
|
|
+ materialParams.opacity = 1.0;
|
|
|
+
|
|
|
+ if ( Array.isArray( metallicRoughness.baseColorFactor ) ) {
|
|
|
+
|
|
|
+ var array = metallicRoughness.baseColorFactor;
|
|
|
+ materialParams.color.fromArray( array );
|
|
|
+ materialParams.opacity = array[ 3 ];
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( metallicRoughness.baseColorTexture !== undefined ) {
|
|
|
+
|
|
|
+ pending.push( parser.assignTexture( materialParams, 'map', metallicRoughness.baseColorTexture ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ materialParams.metalness = metallicRoughness.metallicFactor !== undefined ? metallicRoughness.metallicFactor : 1.0;
|
|
|
+ materialParams.roughness = metallicRoughness.roughnessFactor !== undefined ? metallicRoughness.roughnessFactor : 1.0;
|
|
|
+
|
|
|
+ if ( metallicRoughness.metallicRoughnessTexture !== undefined ) {
|
|
|
+
|
|
|
+ pending.push( parser.assignTexture( materialParams, 'metalnessMap', metallicRoughness.metallicRoughnessTexture ) );
|
|
|
+ pending.push( parser.assignTexture( materialParams, 'roughnessMap', metallicRoughness.metallicRoughnessTexture ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ materialType = this._invokeOne( function ( ext ) {
|
|
|
+
|
|
|
+ return ext.getMaterialType && ext.getMaterialType( materialIndex );
|
|
|
+
|
|
|
+ } );
|
|
|
+ pending.push( Promise.all( this._invokeAll( function ( ext ) {
|
|
|
+
|
|
|
+ return ext.extendMaterialParams && ext.extendMaterialParams( materialIndex, materialParams );
|
|
|
+
|
|
|
+ } ) ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( materialDef.doubleSided === true ) {
|
|
|
+
|
|
|
+ materialParams.side = THREE.DoubleSide;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ var alphaMode = materialDef.alphaMode || ALPHA_MODES.OPAQUE;
|
|
|
+
|
|
|
+ if ( alphaMode === ALPHA_MODES.BLEND ) {
|
|
|
+
|
|
|
+ materialParams.transparent = true; // See: https://github.com/mrdoob/three.js/issues/17706
|
|
|
+
|
|
|
+ materialParams.depthWrite = false;
|
|
|
+
|
|
|
+ } else {
|
|
|
+
|
|
|
+ materialParams.transparent = false;
|
|
|
+
|
|
|
+ if ( alphaMode === ALPHA_MODES.MASK ) {
|
|
|
+
|
|
|
+ materialParams.alphaTest = materialDef.alphaCutoff !== undefined ? materialDef.alphaCutoff : 0.5;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( materialDef.normalTexture !== undefined && materialType !== THREE.MeshBasicMaterial ) {
|
|
|
+
|
|
|
+ pending.push( parser.assignTexture( materialParams, 'normalMap', materialDef.normalTexture ) ); // https://github.com/mrdoob/three.js/issues/11438#issuecomment-507003995
|
|
|
+
|
|
|
+ materialParams.normalScale = new THREE.Vector2( 1, - 1 );
|
|
|
+
|
|
|
+ if ( materialDef.normalTexture.scale !== undefined ) {
|
|
|
+
|
|
|
+ materialParams.normalScale.set( materialDef.normalTexture.scale, - materialDef.normalTexture.scale );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( materialDef.occlusionTexture !== undefined && materialType !== THREE.MeshBasicMaterial ) {
|
|
|
+
|
|
|
+ pending.push( parser.assignTexture( materialParams, 'aoMap', materialDef.occlusionTexture ) );
|
|
|
+
|
|
|
+ if ( materialDef.occlusionTexture.strength !== undefined ) {
|
|
|
+
|
|
|
+ materialParams.aoMapIntensity = materialDef.occlusionTexture.strength;
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( materialDef.emissiveFactor !== undefined && materialType !== THREE.MeshBasicMaterial ) {
|
|
|
+
|
|
|
+ materialParams.emissive = new THREE.Color().fromArray( materialDef.emissiveFactor );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ if ( materialDef.emissiveTexture !== undefined && materialType !== THREE.MeshBasicMaterial ) {
|
|
|
+
|
|
|
+ pending.push( parser.assignTexture( materialParams, 'emissiveMap', materialDef.emissiveTexture ) );
|
|
|
+
|
|
|
+ }
|
|
|
+
|
|
|
+ return Promise.all( pending ).then( function () {
|
|
|
+
|
|
|
+ var material;
|
|
|
+
|
|
|
+ if ( materialType === GLTFMeshStandardSGMaterial ) {
|
|
|
|
|
|
- GLTFMaterialsTransmissionExtension.prototype.getMaterialType = function (materialIndex) {
|
|
|
- var parser = this.parser;
|
|
|
- var materialDef = parser.json.materials[materialIndex];
|
|
|
- if (!materialDef.extensions || !materialDef.extensions[this.name]) return null;
|
|
|
- return THREE.MeshPhysicalMaterial;
|
|
|
- };
|
|
|
+ material = extensions[ EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ].createMaterial( materialParams );
|
|
|
|
|
|
- GLTFMaterialsTransmissionExtension.prototype.extendMaterialParams = function (materialIndex, materialParams) {
|
|
|
- var parser = this.parser;
|
|
|
- var materialDef = parser.json.materials[materialIndex];
|
|
|
+ } else {
|
|
|
|
|
|
- if (!materialDef.extensions || !materialDef.extensions[this.name]) {
|
|
|
- return Promise.resolve();
|
|
|
- }
|
|
|
+ material = new materialType( materialParams );
|
|
|
|
|
|
- var pending = [];
|
|
|
- var extension = materialDef.extensions[this.name];
|
|
|
+ }
|
|
|
|
|
|
- if (extension.transmissionFactor !== undefined) {
|
|
|
- materialParams.transmission = extension.transmissionFactor;
|
|
|
- }
|
|
|
+ if ( materialDef.name ) material.name = materialDef.name; // baseColorTexture, emissiveTexture, and specularGlossinessTexture use sRGB encoding.
|
|
|
|
|
|
- if (extension.transmissionTexture !== undefined) {
|
|
|
- pending.push(parser.assignTexture(materialParams, 'transmissionMap', extension.transmissionTexture));
|
|
|
- }
|
|
|
+ if ( material.map ) material.map.encoding = THREE.sRGBEncoding;
|
|
|
+ if ( material.emissiveMap ) material.emissiveMap.encoding = THREE.sRGBEncoding;
|
|
|
+ assignExtrasToUserData( material, materialDef );
|
|
|
+ parser.associations.set( material, {
|
|
|
+ type: 'materials',
|
|
|
+ index: materialIndex
|
|
|
+ } );
|
|
|
+ if ( materialDef.extensions ) addUnknownExtensionsToUserData( extensions, material, materialDef );
|
|
|
+ return material;
|
|
|
|
|
|
- return Promise.all(pending);
|
|
|
- };
|
|
|
- /**
|
|
|
- * BasisU Texture Extension
|
|
|
- *
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_texture_basisu
|
|
|
- */
|
|
|
+ } );
|
|
|
|
|
|
+ };
|
|
|
+ /** When THREE.Object3D instances are targeted by animation, they need unique names. */
|
|
|
|
|
|
- function GLTFTextureBasisUExtension(parser) {
|
|
|
- this.parser = parser;
|
|
|
- this.name = EXTENSIONS.KHR_TEXTURE_BASISU;
|
|
|
- }
|
|
|
|
|
|
- GLTFTextureBasisUExtension.prototype.loadTexture = function (textureIndex) {
|
|
|
- var parser = this.parser;
|
|
|
- var json = parser.json;
|
|
|
- var textureDef = json.textures[textureIndex];
|
|
|
+ GLTFParser.prototype.createUniqueName = function ( originalName ) {
|
|
|
|
|
|
- if (!textureDef.extensions || !textureDef.extensions[this.name]) {
|
|
|
- return null;
|
|
|
- }
|
|
|
+ var sanitizedName = THREE.PropertyBinding.sanitizeNodeName( originalName || '' );
|
|
|
+ var name = sanitizedName;
|
|
|
|
|
|
- var extension = textureDef.extensions[this.name];
|
|
|
- var source = json.images[extension.source];
|
|
|
- var loader = parser.options.ktx2Loader;
|
|
|
+ for ( var i = 1; this.nodeNamesUsed[ name ]; ++ i ) {
|
|
|
+
|
|
|
+ name = sanitizedName + '_' + i;
|
|
|
|
|
|
- if (!loader) {
|
|
|
- if (json.extensionsRequired && json.extensionsRequired.indexOf(this.name) >= 0) {
|
|
|
- throw new Error('THREE.GLTFLoader: setKTX2Loader must be called before loading KTX2 textures');
|
|
|
- } else {
|
|
|
- // Assumes that the extension is optional and that a fallback texture is present
|
|
|
- return null;
|
|
|
}
|
|
|
- }
|
|
|
|
|
|
- return parser.loadTextureImage(textureIndex, source, loader);
|
|
|
- };
|
|
|
- /**
|
|
|
- * WebP Texture Extension
|
|
|
- *
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/EXT_texture_webp
|
|
|
+ this.nodeNamesUsed[ name ] = true;
|
|
|
+ return name;
|
|
|
+
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * @param {BufferGeometry} geometry
|
|
|
+ * @param {GLTF.Primitive} primitiveDef
|
|
|
+ * @param {GLTFParser} parser
|
|
|
*/
|
|
|
|
|
|
|
|
|
- function GLTFTextureWebPExtension(parser) {
|
|
|
- this.parser = parser;
|
|
|
- this.name = EXTENSIONS.EXT_TEXTURE_WEBP;
|
|
|
- this.isSupported = null;
|
|
|
- }
|
|
|
+ function computeBounds( geometry, primitiveDef, parser ) {
|
|
|
|
|
|
- GLTFTextureWebPExtension.prototype.loadTexture = function (textureIndex) {
|
|
|
- var name = this.name;
|
|
|
- var parser = this.parser;
|
|
|
- var json = parser.json;
|
|
|
- var textureDef = json.textures[textureIndex];
|
|
|
+ var attributes = primitiveDef.attributes;
|
|
|
+ var box = new THREE.Box3();
|
|
|
|
|
|
- if (!textureDef.extensions || !textureDef.extensions[name]) {
|
|
|
- return null;
|
|
|
- }
|
|
|
+ if ( attributes.POSITION !== undefined ) {
|
|
|
|
|
|
- var extension = textureDef.extensions[name];
|
|
|
- var source = json.images[extension.source];
|
|
|
- var loader = parser.textureLoader;
|
|
|
+ var accessor = parser.json.accessors[ attributes.POSITION ];
|
|
|
+ var min = accessor.min;
|
|
|
+ var max = accessor.max; // glTF requires 'min' and 'max', but VRM (which extends glTF) currently ignores that requirement.
|
|
|
|
|
|
- if (source.uri) {
|
|
|
- var handler = parser.options.manager.getHandler(source.uri);
|
|
|
- if (handler !== null) loader = handler;
|
|
|
- }
|
|
|
+ if ( min !== undefined && max !== undefined ) {
|
|
|
|
|
|
- return this.detectSupport().then(function (isSupported) {
|
|
|
- if (isSupported) return parser.loadTextureImage(textureIndex, source, loader);
|
|
|
+ box.set( new THREE.Vector3( min[ 0 ], min[ 1 ], min[ 2 ] ), new THREE.Vector3( max[ 0 ], max[ 1 ], max[ 2 ] ) );
|
|
|
|
|
|
- if (json.extensionsRequired && json.extensionsRequired.indexOf(name) >= 0) {
|
|
|
- throw new Error('THREE.GLTFLoader: WebP required by asset but unsupported.');
|
|
|
- } // Fall back to PNG or JPEG.
|
|
|
+ if ( accessor.normalized ) {
|
|
|
|
|
|
+ var boxScale = getNormalizedComponentScale( WEBGL_COMPONENT_TYPES[ accessor.componentType ] );
|
|
|
+ box.min.multiplyScalar( boxScale );
|
|
|
+ box.max.multiplyScalar( boxScale );
|
|
|
|
|
|
- return parser.loadTexture(textureIndex);
|
|
|
- });
|
|
|
- };
|
|
|
+ }
|
|
|
|
|
|
- GLTFTextureWebPExtension.prototype.detectSupport = function () {
|
|
|
- if (!this.isSupported) {
|
|
|
- this.isSupported = new Promise(function (resolve) {
|
|
|
- var image = new Image(); // Lossy test image. Support for lossy images doesn't guarantee support for all
|
|
|
- // WebP images, unfortunately.
|
|
|
+ } else {
|
|
|
|
|
|
- image.src = 'data:image/webp;base64,UklGRiIAAABXRUJQVlA4IBYAAAAwAQCdASoBAAEADsD+JaQAA3AAAAAA';
|
|
|
+ console.warn( 'THREE.GLTFLoader: Missing min/max properties for accessor POSITION.' );
|
|
|
+ return;
|
|
|
|
|
|
- image.onload = image.onerror = function () {
|
|
|
- resolve(image.height === 1);
|
|
|
- };
|
|
|
- });
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- return this.isSupported;
|
|
|
- };
|
|
|
- /**
|
|
|
- * meshopt BufferView Compression Extension
|
|
|
- *
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/EXT_meshopt_compression
|
|
|
- */
|
|
|
+ } else {
|
|
|
|
|
|
+ return;
|
|
|
|
|
|
- function GLTFMeshoptCompression(parser) {
|
|
|
- this.name = EXTENSIONS.EXT_MESHOPT_COMPRESSION;
|
|
|
- this.parser = parser;
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- GLTFMeshoptCompression.prototype.loadBufferView = function (index) {
|
|
|
- var json = this.parser.json;
|
|
|
- var bufferView = json.bufferViews[index];
|
|
|
+ var targets = primitiveDef.targets;
|
|
|
|
|
|
- if (bufferView.extensions && bufferView.extensions[this.name]) {
|
|
|
- var extensionDef = bufferView.extensions[this.name];
|
|
|
- var buffer = this.parser.getDependency('buffer', extensionDef.buffer);
|
|
|
- var decoder = this.parser.options.meshoptDecoder;
|
|
|
+ if ( targets !== undefined ) {
|
|
|
|
|
|
- if (!decoder || !decoder.supported) {
|
|
|
- if (json.extensionsRequired && json.extensionsRequired.indexOf(this.name) >= 0) {
|
|
|
- throw new Error('THREE.GLTFLoader: setMeshoptDecoder must be called before loading compressed files');
|
|
|
- } else {
|
|
|
- // Assumes that the extension is optional and that fallback buffer data is present
|
|
|
- return null;
|
|
|
- }
|
|
|
- }
|
|
|
+ var maxDisplacement = new THREE.Vector3();
|
|
|
+ var vector = new THREE.Vector3();
|
|
|
|
|
|
- return Promise.all([buffer, decoder.ready]).then(function (res) {
|
|
|
- var byteOffset = extensionDef.byteOffset || 0;
|
|
|
- var byteLength = extensionDef.byteLength || 0;
|
|
|
- var count = extensionDef.count;
|
|
|
- var stride = extensionDef.byteStride;
|
|
|
- var result = new ArrayBuffer(count * stride);
|
|
|
- var source = new Uint8Array(res[0], byteOffset, byteLength);
|
|
|
- decoder.decodeGltfBuffer(new Uint8Array(result), count, stride, source, extensionDef.mode, extensionDef.filter);
|
|
|
- return result;
|
|
|
- });
|
|
|
- } else {
|
|
|
- return null;
|
|
|
- }
|
|
|
- };
|
|
|
- /* BINARY EXTENSION */
|
|
|
-
|
|
|
-
|
|
|
- var BINARY_EXTENSION_HEADER_MAGIC = 'glTF';
|
|
|
- var BINARY_EXTENSION_HEADER_LENGTH = 12;
|
|
|
- var BINARY_EXTENSION_CHUNK_TYPES = {
|
|
|
- JSON: 0x4E4F534A,
|
|
|
- BIN: 0x004E4942
|
|
|
- };
|
|
|
-
|
|
|
- function GLTFBinaryExtension(data) {
|
|
|
- this.name = EXTENSIONS.KHR_BINARY_GLTF;
|
|
|
- this.content = null;
|
|
|
- this.body = null;
|
|
|
- var headerView = new DataView(data, 0, BINARY_EXTENSION_HEADER_LENGTH);
|
|
|
- this.header = {
|
|
|
- magic: THREE.LoaderUtils.decodeText(new Uint8Array(data.slice(0, 4))),
|
|
|
- version: headerView.getUint32(4, true),
|
|
|
- length: headerView.getUint32(8, true)
|
|
|
- };
|
|
|
+ for ( var i = 0, il = targets.length; i < il; i ++ ) {
|
|
|
|
|
|
- if (this.header.magic !== BINARY_EXTENSION_HEADER_MAGIC) {
|
|
|
- throw new Error('THREE.GLTFLoader: Unsupported glTF-Binary header.');
|
|
|
- } else if (this.header.version < 2.0) {
|
|
|
- throw new Error('THREE.GLTFLoader: Legacy binary file detected.');
|
|
|
- }
|
|
|
+ var target = targets[ i ];
|
|
|
|
|
|
- var chunkContentsLength = this.header.length - BINARY_EXTENSION_HEADER_LENGTH;
|
|
|
- var chunkView = new DataView(data, BINARY_EXTENSION_HEADER_LENGTH);
|
|
|
- var chunkIndex = 0;
|
|
|
+ if ( target.POSITION !== undefined ) {
|
|
|
|
|
|
- while (chunkIndex < chunkContentsLength) {
|
|
|
- var chunkLength = chunkView.getUint32(chunkIndex, true);
|
|
|
- chunkIndex += 4;
|
|
|
- var chunkType = chunkView.getUint32(chunkIndex, true);
|
|
|
- chunkIndex += 4;
|
|
|
+ var accessor = parser.json.accessors[ target.POSITION ];
|
|
|
+ var min = accessor.min;
|
|
|
+ var max = accessor.max; // glTF requires 'min' and 'max', but VRM (which extends glTF) currently ignores that requirement.
|
|
|
|
|
|
- if (chunkType === BINARY_EXTENSION_CHUNK_TYPES.JSON) {
|
|
|
- var contentArray = new Uint8Array(data, BINARY_EXTENSION_HEADER_LENGTH + chunkIndex, chunkLength);
|
|
|
- this.content = THREE.LoaderUtils.decodeText(contentArray);
|
|
|
- } else if (chunkType === BINARY_EXTENSION_CHUNK_TYPES.BIN) {
|
|
|
- var byteOffset = BINARY_EXTENSION_HEADER_LENGTH + chunkIndex;
|
|
|
- this.body = data.slice(byteOffset, byteOffset + chunkLength);
|
|
|
- } // Clients must ignore chunks with unknown types.
|
|
|
+ if ( min !== undefined && max !== undefined ) {
|
|
|
|
|
|
+ // we need to get max of absolute components because target weight is [-1,1]
|
|
|
+ vector.setX( Math.max( Math.abs( min[ 0 ] ), Math.abs( max[ 0 ] ) ) );
|
|
|
+ vector.setY( Math.max( Math.abs( min[ 1 ] ), Math.abs( max[ 1 ] ) ) );
|
|
|
+ vector.setZ( Math.max( Math.abs( min[ 2 ] ), Math.abs( max[ 2 ] ) ) );
|
|
|
|
|
|
- chunkIndex += chunkLength;
|
|
|
- }
|
|
|
+ if ( accessor.normalized ) {
|
|
|
|
|
|
- if (this.content === null) {
|
|
|
- throw new Error('THREE.GLTFLoader: JSON content not found.');
|
|
|
- }
|
|
|
- }
|
|
|
- /**
|
|
|
- * DRACO THREE.Mesh Compression Extension
|
|
|
- *
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_draco_mesh_compression
|
|
|
- */
|
|
|
+ var boxScale = getNormalizedComponentScale( WEBGL_COMPONENT_TYPES[ accessor.componentType ] );
|
|
|
+ vector.multiplyScalar( boxScale );
|
|
|
|
|
|
+ } // Note: this assumes that the sum of all weights is at most 1. This isn't quite correct - it's more conservative
|
|
|
+ // to assume that each target can have a max weight of 1. However, for some use cases - notably, when morph targets
|
|
|
+ // are used to implement key-frame animations and as such only two are active at a time - this results in very large
|
|
|
+ // boxes. So for now we make a box that's sometimes a touch too small but is hopefully mostly of reasonable size.
|
|
|
|
|
|
- function GLTFDracoMeshCompressionExtension(json, dracoLoader) {
|
|
|
- if (!dracoLoader) {
|
|
|
- throw new Error('THREE.GLTFLoader: No DRACOLoader instance provided.');
|
|
|
- }
|
|
|
|
|
|
- this.name = EXTENSIONS.KHR_DRACO_MESH_COMPRESSION;
|
|
|
- this.json = json;
|
|
|
- this.dracoLoader = dracoLoader;
|
|
|
- this.dracoLoader.preload();
|
|
|
- }
|
|
|
-
|
|
|
- GLTFDracoMeshCompressionExtension.prototype.decodePrimitive = function (primitive, parser) {
|
|
|
- var json = this.json;
|
|
|
- var dracoLoader = this.dracoLoader;
|
|
|
- var bufferViewIndex = primitive.extensions[this.name].bufferView;
|
|
|
- var gltfAttributeMap = primitive.extensions[this.name].attributes;
|
|
|
- var threeAttributeMap = {};
|
|
|
- var attributeNormalizedMap = {};
|
|
|
- var attributeTypeMap = {};
|
|
|
-
|
|
|
- for (var attributeName in gltfAttributeMap) {
|
|
|
- var threeAttributeName = ATTRIBUTES[attributeName] || attributeName.toLowerCase();
|
|
|
- threeAttributeMap[threeAttributeName] = gltfAttributeMap[attributeName];
|
|
|
- }
|
|
|
+ maxDisplacement.max( vector );
|
|
|
|
|
|
- for (attributeName in primitive.attributes) {
|
|
|
- var threeAttributeName = ATTRIBUTES[attributeName] || attributeName.toLowerCase();
|
|
|
+ } else {
|
|
|
|
|
|
- if (gltfAttributeMap[attributeName] !== undefined) {
|
|
|
- var accessorDef = json.accessors[primitive.attributes[attributeName]];
|
|
|
- var componentType = WEBGL_COMPONENT_TYPES[accessorDef.componentType];
|
|
|
- attributeTypeMap[threeAttributeName] = componentType;
|
|
|
- attributeNormalizedMap[threeAttributeName] = accessorDef.normalized === true;
|
|
|
- }
|
|
|
- }
|
|
|
+ console.warn( 'THREE.GLTFLoader: Missing min/max properties for accessor POSITION.' );
|
|
|
+
|
|
|
+ }
|
|
|
|
|
|
- return parser.getDependency('bufferView', bufferViewIndex).then(function (bufferView) {
|
|
|
- return new Promise(function (resolve) {
|
|
|
- dracoLoader.decodeDracoFile(bufferView, function (geometry) {
|
|
|
- for (var attributeName in geometry.attributes) {
|
|
|
- var attribute = geometry.attributes[attributeName];
|
|
|
- var normalized = attributeNormalizedMap[attributeName];
|
|
|
- if (normalized !== undefined) attribute.normalized = normalized;
|
|
|
}
|
|
|
|
|
|
- resolve(geometry);
|
|
|
- }, threeAttributeMap, attributeTypeMap);
|
|
|
- });
|
|
|
- });
|
|
|
- };
|
|
|
- /**
|
|
|
- * Texture Transform Extension
|
|
|
- *
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_texture_transform
|
|
|
- */
|
|
|
+ } // As per comment above this box isn't conservative, but has a reasonable size for a very large number of morph targets.
|
|
|
|
|
|
|
|
|
- function GLTFTextureTransformExtension() {
|
|
|
- this.name = EXTENSIONS.KHR_TEXTURE_TRANSFORM;
|
|
|
- }
|
|
|
+ box.expandByVector( maxDisplacement );
|
|
|
|
|
|
- GLTFTextureTransformExtension.prototype.extendTexture = function (texture, transform) {
|
|
|
- texture = texture.clone();
|
|
|
+ }
|
|
|
|
|
|
- if (transform.offset !== undefined) {
|
|
|
- texture.offset.fromArray(transform.offset);
|
|
|
- }
|
|
|
+ geometry.boundingBox = box;
|
|
|
+ var sphere = new THREE.Sphere();
|
|
|
+ box.getCenter( sphere.center );
|
|
|
+ sphere.radius = box.min.distanceTo( box.max ) / 2;
|
|
|
+ geometry.boundingSphere = sphere;
|
|
|
|
|
|
- if (transform.rotation !== undefined) {
|
|
|
- texture.rotation = transform.rotation;
|
|
|
}
|
|
|
+ /**
|
|
|
+ * @param {BufferGeometry} geometry
|
|
|
+ * @param {GLTF.Primitive} primitiveDef
|
|
|
+ * @param {GLTFParser} parser
|
|
|
+ * @return {Promise<BufferGeometry>}
|
|
|
+ */
|
|
|
|
|
|
- if (transform.scale !== undefined) {
|
|
|
- texture.repeat.fromArray(transform.scale);
|
|
|
- }
|
|
|
|
|
|
- if (transform.texCoord !== undefined) {
|
|
|
- console.warn('THREE.GLTFLoader: Custom UV sets in "' + this.name + '" extension not yet supported.');
|
|
|
- }
|
|
|
+ function addPrimitiveAttributes( geometry, primitiveDef, parser ) {
|
|
|
|
|
|
- texture.needsUpdate = true;
|
|
|
- return texture;
|
|
|
- };
|
|
|
- /**
|
|
|
- * Specular-Glossiness Extension
|
|
|
- *
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_pbrSpecularGlossiness
|
|
|
- */
|
|
|
+ var attributes = primitiveDef.attributes;
|
|
|
+ var pending = [];
|
|
|
|
|
|
- /**
|
|
|
- * A sub class of StandardMaterial with some of the functionality
|
|
|
- * changed via the `onBeforeCompile` callback
|
|
|
- * @pailhead
|
|
|
- */
|
|
|
+ function assignAttributeAccessor( accessorIndex, attributeName ) {
|
|
|
|
|
|
+ return parser.getDependency( 'accessor', accessorIndex ).then( function ( accessor ) {
|
|
|
|
|
|
- function GLTFMeshStandardSGMaterial(params) {
|
|
|
- THREE.MeshStandardMaterial.call(this);
|
|
|
- this.isGLTFSpecularGlossinessMaterial = true; //various chunks that need replacing
|
|
|
+ geometry.setAttribute( attributeName, accessor );
|
|
|
|
|
|
- var specularMapParsFragmentChunk = ['#ifdef USE_SPECULARMAP', ' uniform sampler2D specularMap;', '#endif'].join('\n');
|
|
|
- var glossinessMapParsFragmentChunk = ['#ifdef USE_GLOSSINESSMAP', ' uniform sampler2D glossinessMap;', '#endif'].join('\n');
|
|
|
- var specularMapFragmentChunk = ['vec3 specularFactor = specular;', '#ifdef USE_SPECULARMAP', ' vec4 texelSpecular = texture2D( specularMap, vUv );', ' texelSpecular = sRGBToLinear( texelSpecular );', ' // reads channel RGB, compatible with a glTF Specular-Glossiness (RGBA) texture', ' specularFactor *= texelSpecular.rgb;', '#endif'].join('\n');
|
|
|
- var glossinessMapFragmentChunk = ['float glossinessFactor = glossiness;', '#ifdef USE_GLOSSINESSMAP', ' vec4 texelGlossiness = texture2D( glossinessMap, vUv );', ' // reads channel A, compatible with a glTF Specular-Glossiness (RGBA) texture', ' glossinessFactor *= texelGlossiness.a;', '#endif'].join('\n');
|
|
|
- var lightPhysicalFragmentChunk = ['PhysicalMaterial material;', 'material.diffuseColor = diffuseColor.rgb * ( 1. - max( specularFactor.r, max( specularFactor.g, specularFactor.b ) ) );', 'vec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );', 'float geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );', 'material.specularRoughness = max( 1.0 - glossinessFactor, 0.0525 ); // 0.0525 corresponds to the base mip of a 256 cubemap.', 'material.specularRoughness += geometryRoughness;', 'material.specularRoughness = min( material.specularRoughness, 1.0 );', 'material.specularColor = specularFactor;'].join('\n');
|
|
|
- var uniforms = {
|
|
|
- specular: {
|
|
|
- value: new THREE.Color().setHex(0xffffff)
|
|
|
- },
|
|
|
- glossiness: {
|
|
|
- value: 1
|
|
|
- },
|
|
|
- specularMap: {
|
|
|
- value: null
|
|
|
- },
|
|
|
- glossinessMap: {
|
|
|
- value: null
|
|
|
- }
|
|
|
- };
|
|
|
- this._extraUniforms = uniforms;
|
|
|
+ } );
|
|
|
|
|
|
- this.onBeforeCompile = function (shader) {
|
|
|
- for (var uniformName in uniforms) {
|
|
|
- shader.uniforms[uniformName] = uniforms[uniformName];
|
|
|
}
|
|
|
|
|
|
- shader.fragmentShader = shader.fragmentShader.replace('uniform float roughness;', 'uniform vec3 specular;').replace('uniform float metalness;', 'uniform float glossiness;').replace('#include <roughnessmap_pars_fragment>', specularMapParsFragmentChunk).replace('#include <metalnessmap_pars_fragment>', glossinessMapParsFragmentChunk).replace('#include <roughnessmap_fragment>', specularMapFragmentChunk).replace('#include <metalnessmap_fragment>', glossinessMapFragmentChunk).replace('#include <lights_physical_fragment>', lightPhysicalFragmentChunk);
|
|
|
- };
|
|
|
+ for ( var gltfAttributeName in attributes ) {
|
|
|
|
|
|
- Object.defineProperties(this, {
|
|
|
- specular: {
|
|
|
- get: function () {
|
|
|
- return uniforms.specular.value;
|
|
|
- },
|
|
|
- set: function (v) {
|
|
|
- uniforms.specular.value = v;
|
|
|
- }
|
|
|
- },
|
|
|
- specularMap: {
|
|
|
- get: function () {
|
|
|
- return uniforms.specularMap.value;
|
|
|
- },
|
|
|
- set: function (v) {
|
|
|
- uniforms.specularMap.value = v;
|
|
|
+ var threeAttributeName = ATTRIBUTES[ gltfAttributeName ] || gltfAttributeName.toLowerCase(); // Skip attributes already provided by e.g. Draco extension.
|
|
|
|
|
|
- if (v) {
|
|
|
- this.defines.USE_SPECULARMAP = ''; // USE_UV is set by the renderer for specular maps
|
|
|
- } else {
|
|
|
- delete this.defines.USE_SPECULARMAP;
|
|
|
- }
|
|
|
- }
|
|
|
- },
|
|
|
- glossiness: {
|
|
|
- get: function () {
|
|
|
- return uniforms.glossiness.value;
|
|
|
- },
|
|
|
- set: function (v) {
|
|
|
- uniforms.glossiness.value = v;
|
|
|
- }
|
|
|
- },
|
|
|
- glossinessMap: {
|
|
|
- get: function () {
|
|
|
- return uniforms.glossinessMap.value;
|
|
|
- },
|
|
|
- set: function (v) {
|
|
|
- uniforms.glossinessMap.value = v;
|
|
|
+ if ( threeAttributeName in geometry.attributes ) continue;
|
|
|
+ pending.push( assignAttributeAccessor( attributes[ gltfAttributeName ], threeAttributeName ) );
|
|
|
|
|
|
- if (v) {
|
|
|
- this.defines.USE_GLOSSINESSMAP = '';
|
|
|
- this.defines.USE_UV = '';
|
|
|
- } else {
|
|
|
- delete this.defines.USE_GLOSSINESSMAP;
|
|
|
- delete this.defines.USE_UV;
|
|
|
- }
|
|
|
- }
|
|
|
}
|
|
|
- });
|
|
|
- delete this.metalness;
|
|
|
- delete this.roughness;
|
|
|
- delete this.metalnessMap;
|
|
|
- delete this.roughnessMap;
|
|
|
- this.setValues(params);
|
|
|
- }
|
|
|
-
|
|
|
- GLTFMeshStandardSGMaterial.prototype = Object.create(THREE.MeshStandardMaterial.prototype);
|
|
|
- GLTFMeshStandardSGMaterial.prototype.constructor = GLTFMeshStandardSGMaterial;
|
|
|
-
|
|
|
- GLTFMeshStandardSGMaterial.prototype.copy = function (source) {
|
|
|
- THREE.MeshStandardMaterial.prototype.copy.call(this, source);
|
|
|
- this.specularMap = source.specularMap;
|
|
|
- this.specular.copy(source.specular);
|
|
|
- this.glossinessMap = source.glossinessMap;
|
|
|
- this.glossiness = source.glossiness;
|
|
|
- delete this.metalness;
|
|
|
- delete this.roughness;
|
|
|
- delete this.metalnessMap;
|
|
|
- delete this.roughnessMap;
|
|
|
- return this;
|
|
|
- };
|
|
|
-
|
|
|
- function GLTFMaterialsPbrSpecularGlossinessExtension() {
|
|
|
- return {
|
|
|
- name: EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS,
|
|
|
- specularGlossinessParams: ['color', 'map', 'lightMap', 'lightMapIntensity', 'aoMap', 'aoMapIntensity', 'emissive', 'emissiveIntensity', 'emissiveMap', 'bumpMap', 'bumpScale', 'normalMap', 'normalMapType', 'displacementMap', 'displacementScale', 'displacementBias', 'specularMap', 'specular', 'glossinessMap', 'glossiness', 'alphaMap', 'envMap', 'envMapIntensity', 'refractionRatio'],
|
|
|
- getMaterialType: function () {
|
|
|
- return GLTFMeshStandardSGMaterial;
|
|
|
- },
|
|
|
- extendParams: function (materialParams, materialDef, parser) {
|
|
|
- var pbrSpecularGlossiness = materialDef.extensions[this.name];
|
|
|
- materialParams.color = new THREE.Color(1.0, 1.0, 1.0);
|
|
|
- materialParams.opacity = 1.0;
|
|
|
- var pending = [];
|
|
|
-
|
|
|
- if (Array.isArray(pbrSpecularGlossiness.diffuseFactor)) {
|
|
|
- var array = pbrSpecularGlossiness.diffuseFactor;
|
|
|
- materialParams.color.fromArray(array);
|
|
|
- materialParams.opacity = array[3];
|
|
|
- }
|
|
|
|
|
|
- if (pbrSpecularGlossiness.diffuseTexture !== undefined) {
|
|
|
- pending.push(parser.assignTexture(materialParams, 'map', pbrSpecularGlossiness.diffuseTexture));
|
|
|
- }
|
|
|
+ if ( primitiveDef.indices !== undefined && ! geometry.index ) {
|
|
|
|
|
|
- materialParams.emissive = new THREE.Color(0.0, 0.0, 0.0);
|
|
|
- materialParams.glossiness = pbrSpecularGlossiness.glossinessFactor !== undefined ? pbrSpecularGlossiness.glossinessFactor : 1.0;
|
|
|
- materialParams.specular = new THREE.Color(1.0, 1.0, 1.0);
|
|
|
+ var accessor = parser.getDependency( 'accessor', primitiveDef.indices ).then( function ( accessor ) {
|
|
|
|
|
|
- if (Array.isArray(pbrSpecularGlossiness.specularFactor)) {
|
|
|
- materialParams.specular.fromArray(pbrSpecularGlossiness.specularFactor);
|
|
|
- }
|
|
|
+ geometry.setIndex( accessor );
|
|
|
|
|
|
- if (pbrSpecularGlossiness.specularGlossinessTexture !== undefined) {
|
|
|
- var specGlossMapDef = pbrSpecularGlossiness.specularGlossinessTexture;
|
|
|
- pending.push(parser.assignTexture(materialParams, 'glossinessMap', specGlossMapDef));
|
|
|
- pending.push(parser.assignTexture(materialParams, 'specularMap', specGlossMapDef));
|
|
|
- }
|
|
|
+ } );
|
|
|
+ pending.push( accessor );
|
|
|
|
|
|
- return Promise.all(pending);
|
|
|
- },
|
|
|
- createMaterial: function (materialParams) {
|
|
|
- var material = new GLTFMeshStandardSGMaterial(materialParams);
|
|
|
- material.fog = true;
|
|
|
- material.color = materialParams.color;
|
|
|
- material.map = materialParams.map === undefined ? null : materialParams.map;
|
|
|
- material.lightMap = null;
|
|
|
- material.lightMapIntensity = 1.0;
|
|
|
- material.aoMap = materialParams.aoMap === undefined ? null : materialParams.aoMap;
|
|
|
- material.aoMapIntensity = 1.0;
|
|
|
- material.emissive = materialParams.emissive;
|
|
|
- material.emissiveIntensity = 1.0;
|
|
|
- material.emissiveMap = materialParams.emissiveMap === undefined ? null : materialParams.emissiveMap;
|
|
|
- material.bumpMap = materialParams.bumpMap === undefined ? null : materialParams.bumpMap;
|
|
|
- material.bumpScale = 1;
|
|
|
- material.normalMap = materialParams.normalMap === undefined ? null : materialParams.normalMap;
|
|
|
- material.normalMapType = THREE.TangentSpaceNormalMap;
|
|
|
- if (materialParams.normalScale) material.normalScale = materialParams.normalScale;
|
|
|
- material.displacementMap = null;
|
|
|
- material.displacementScale = 1;
|
|
|
- material.displacementBias = 0;
|
|
|
- material.specularMap = materialParams.specularMap === undefined ? null : materialParams.specularMap;
|
|
|
- material.specular = materialParams.specular;
|
|
|
- material.glossinessMap = materialParams.glossinessMap === undefined ? null : materialParams.glossinessMap;
|
|
|
- material.glossiness = materialParams.glossiness;
|
|
|
- material.alphaMap = null;
|
|
|
- material.envMap = materialParams.envMap === undefined ? null : materialParams.envMap;
|
|
|
- material.envMapIntensity = 1.0;
|
|
|
- material.refractionRatio = 0.98;
|
|
|
- return material;
|
|
|
}
|
|
|
- };
|
|
|
- }
|
|
|
- /**
|
|
|
- * THREE.Mesh Quantization Extension
|
|
|
- *
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization
|
|
|
- */
|
|
|
|
|
|
+ assignExtrasToUserData( geometry, primitiveDef );
|
|
|
+ computeBounds( geometry, primitiveDef, parser );
|
|
|
+ return Promise.all( pending ).then( function () {
|
|
|
|
|
|
- function GLTFMeshQuantizationExtension() {
|
|
|
- this.name = EXTENSIONS.KHR_MESH_QUANTIZATION;
|
|
|
- }
|
|
|
- /*********************************/
|
|
|
+ return primitiveDef.targets !== undefined ? addMorphTargets( geometry, primitiveDef.targets, parser ) : geometry;
|
|
|
|
|
|
- /********** INTERPOLATION ********/
|
|
|
+ } );
|
|
|
+
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * @param {BufferGeometry} geometry
|
|
|
+ * @param {Number} drawMode
|
|
|
+ * @return {BufferGeometry}
|
|
|
+ */
|
|
|
|
|
|
- /*********************************/
|
|
|
- // Spline Interpolation
|
|
|
- // Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#appendix-c-spline-interpolation
|
|
|
|
|
|
+ function toTrianglesDrawMode( geometry, drawMode ) {
|
|
|
|
|
|
- function GLTFCubicSplineInterpolant(parameterPositions, sampleValues, sampleSize, resultBuffer) {
|
|
|
- THREE.Interpolant.call(this, parameterPositions, sampleValues, sampleSize, resultBuffer);
|
|
|
- }
|
|
|
+ var index = geometry.getIndex(); // generate index if not present
|
|
|
|
|
|
- GLTFCubicSplineInterpolant.prototype = Object.create(THREE.Interpolant.prototype);
|
|
|
- GLTFCubicSplineInterpolant.prototype.constructor = GLTFCubicSplineInterpolant;
|
|
|
+ if ( index === null ) {
|
|
|
|
|
|
- GLTFCubicSplineInterpolant.prototype.copySampleValue_ = function (index) {
|
|
|
- // Copies a sample value to the result buffer. See description of glTF
|
|
|
- // CUBICSPLINE values layout in interpolate_() function below.
|
|
|
- var result = this.resultBuffer,
|
|
|
- values = this.sampleValues,
|
|
|
- valueSize = this.valueSize,
|
|
|
- offset = index * valueSize * 3 + valueSize;
|
|
|
+ var indices = [];
|
|
|
+ var position = geometry.getAttribute( 'position' );
|
|
|
|
|
|
- for (var i = 0; i !== valueSize; i++) {
|
|
|
- result[i] = values[offset + i];
|
|
|
- }
|
|
|
+ if ( position !== undefined ) {
|
|
|
|
|
|
- return result;
|
|
|
- };
|
|
|
+ for ( var i = 0; i < position.count; i ++ ) {
|
|
|
|
|
|
- GLTFCubicSplineInterpolant.prototype.beforeStart_ = GLTFCubicSplineInterpolant.prototype.copySampleValue_;
|
|
|
- GLTFCubicSplineInterpolant.prototype.afterEnd_ = GLTFCubicSplineInterpolant.prototype.copySampleValue_;
|
|
|
+ indices.push( i );
|
|
|
|
|
|
- GLTFCubicSplineInterpolant.prototype.interpolate_ = function (i1, t0, t, t1) {
|
|
|
- var result = this.resultBuffer;
|
|
|
- var values = this.sampleValues;
|
|
|
- var stride = this.valueSize;
|
|
|
- var stride2 = stride * 2;
|
|
|
- var stride3 = stride * 3;
|
|
|
- var td = t1 - t0;
|
|
|
- var p = (t - t0) / td;
|
|
|
- var pp = p * p;
|
|
|
- var ppp = pp * p;
|
|
|
- var offset1 = i1 * stride3;
|
|
|
- var offset0 = offset1 - stride3;
|
|
|
- var s2 = -2 * ppp + 3 * pp;
|
|
|
- var s3 = ppp - pp;
|
|
|
- var s0 = 1 - s2;
|
|
|
- var s1 = s3 - pp + p; // Layout of keyframe output values for CUBICSPLINE animations:
|
|
|
- // [ inTangent_1, splineVertex_1, outTangent_1, inTangent_2, splineVertex_2, ... ]
|
|
|
+ }
|
|
|
|
|
|
- for (var i = 0; i !== stride; i++) {
|
|
|
- var p0 = values[offset0 + i + stride]; // splineVertex_k
|
|
|
+ geometry.setIndex( indices );
|
|
|
+ index = geometry.getIndex();
|
|
|
|
|
|
- var m0 = values[offset0 + i + stride2] * td; // outTangent_k * (t_k+1 - t_k)
|
|
|
+ } else {
|
|
|
|
|
|
- var p1 = values[offset1 + i + stride]; // splineVertex_k+1
|
|
|
+ console.error( 'THREE.GLTFLoader.toTrianglesDrawMode(): Undefined position attribute. Processing not possible.' );
|
|
|
+ return geometry;
|
|
|
|
|
|
- var m1 = values[offset1 + i] * td; // inTangent_k+1 * (t_k+1 - t_k)
|
|
|
+ }
|
|
|
|
|
|
- result[i] = s0 * p0 + s1 * m0 + s2 * p1 + s3 * m1;
|
|
|
- }
|
|
|
+ } //
|
|
|
|
|
|
- return result;
|
|
|
- };
|
|
|
- /*********************************/
|
|
|
-
|
|
|
- /********** INTERNALS ************/
|
|
|
-
|
|
|
- /*********************************/
|
|
|
-
|
|
|
- /* CONSTANTS */
|
|
|
-
|
|
|
-
|
|
|
- var WEBGL_CONSTANTS = {
|
|
|
- FLOAT: 5126,
|
|
|
- //FLOAT_MAT2: 35674,
|
|
|
- FLOAT_MAT3: 35675,
|
|
|
- FLOAT_MAT4: 35676,
|
|
|
- FLOAT_VEC2: 35664,
|
|
|
- FLOAT_VEC3: 35665,
|
|
|
- FLOAT_VEC4: 35666,
|
|
|
- LINEAR: 9729,
|
|
|
- REPEAT: 10497,
|
|
|
- SAMPLER_2D: 35678,
|
|
|
- POINTS: 0,
|
|
|
- LINES: 1,
|
|
|
- LINE_LOOP: 2,
|
|
|
- LINE_STRIP: 3,
|
|
|
- TRIANGLES: 4,
|
|
|
- TRIANGLE_STRIP: 5,
|
|
|
- TRIANGLE_FAN: 6,
|
|
|
- UNSIGNED_BYTE: 5121,
|
|
|
- UNSIGNED_SHORT: 5123
|
|
|
- };
|
|
|
- var WEBGL_COMPONENT_TYPES = {
|
|
|
- 5120: Int8Array,
|
|
|
- 5121: Uint8Array,
|
|
|
- 5122: Int16Array,
|
|
|
- 5123: Uint16Array,
|
|
|
- 5125: Uint32Array,
|
|
|
- 5126: Float32Array
|
|
|
- };
|
|
|
- var WEBGL_FILTERS = {
|
|
|
- 9728: THREE.NearestFilter,
|
|
|
- 9729: THREE.LinearFilter,
|
|
|
- 9984: THREE.NearestMipmapNearestFilter,
|
|
|
- 9985: THREE.LinearMipmapNearestFilter,
|
|
|
- 9986: THREE.NearestMipmapLinearFilter,
|
|
|
- 9987: THREE.LinearMipmapLinearFilter
|
|
|
- };
|
|
|
- var WEBGL_WRAPPINGS = {
|
|
|
- 33071: THREE.ClampToEdgeWrapping,
|
|
|
- 33648: THREE.MirroredRepeatWrapping,
|
|
|
- 10497: THREE.RepeatWrapping
|
|
|
- };
|
|
|
- var WEBGL_TYPE_SIZES = {
|
|
|
- 'SCALAR': 1,
|
|
|
- 'VEC2': 2,
|
|
|
- 'VEC3': 3,
|
|
|
- 'VEC4': 4,
|
|
|
- 'MAT2': 4,
|
|
|
- 'MAT3': 9,
|
|
|
- 'MAT4': 16
|
|
|
- };
|
|
|
- var ATTRIBUTES = {
|
|
|
- POSITION: 'position',
|
|
|
- NORMAL: 'normal',
|
|
|
- TANGENT: 'tangent',
|
|
|
- TEXCOORD_0: 'uv',
|
|
|
- TEXCOORD_1: 'uv2',
|
|
|
- COLOR_0: 'color',
|
|
|
- WEIGHTS_0: 'skinWeight',
|
|
|
- JOINTS_0: 'skinIndex'
|
|
|
- };
|
|
|
- var PATH_PROPERTIES = {
|
|
|
- scale: 'scale',
|
|
|
- translation: 'position',
|
|
|
- rotation: 'quaternion',
|
|
|
- weights: 'morphTargetInfluences'
|
|
|
- };
|
|
|
- var INTERPOLATION = {
|
|
|
- CUBICSPLINE: undefined,
|
|
|
- // We use a custom interpolant (GLTFCubicSplineInterpolation) for CUBICSPLINE tracks. Each
|
|
|
- // keyframe track will be initialized with a default interpolation type, then modified.
|
|
|
- LINEAR: THREE.InterpolateLinear,
|
|
|
- STEP: THREE.InterpolateDiscrete
|
|
|
- };
|
|
|
- var ALPHA_MODES = {
|
|
|
- OPAQUE: 'OPAQUE',
|
|
|
- MASK: 'MASK',
|
|
|
- BLEND: 'BLEND'
|
|
|
- };
|
|
|
- /* UTILITY FUNCTIONS */
|
|
|
-
|
|
|
- function resolveURL(url, path) {
|
|
|
- // Invalid URL
|
|
|
- if (typeof url !== 'string' || url === '') return ''; // Host Relative URL
|
|
|
-
|
|
|
- if (/^https?:\/\//i.test(path) && /^\//.test(url)) {
|
|
|
- path = path.replace(/(^https?:\/\/[^\/]+).*/i, '$1');
|
|
|
- } // Absolute URL http://,https://,//
|
|
|
-
|
|
|
-
|
|
|
- if (/^(https?:)?\/\//i.test(url)) return url; // Data URI
|
|
|
-
|
|
|
- if (/^data:.*,.*$/i.test(url)) return url; // Blob URL
|
|
|
-
|
|
|
- if (/^blob:.*$/i.test(url)) return url; // Relative URL
|
|
|
-
|
|
|
- return path + url;
|
|
|
- }
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#default-material
|
|
|
- */
|
|
|
|
|
|
+ var numberOfTriangles = index.count - 2;
|
|
|
+ var newIndices = [];
|
|
|
|
|
|
- function createDefaultMaterial(cache) {
|
|
|
- if (cache['DefaultMaterial'] === undefined) {
|
|
|
- cache['DefaultMaterial'] = new THREE.MeshStandardMaterial({
|
|
|
- color: 0xFFFFFF,
|
|
|
- emissive: 0x000000,
|
|
|
- metalness: 1,
|
|
|
- roughness: 1,
|
|
|
- transparent: false,
|
|
|
- depthTest: true,
|
|
|
- side: THREE.FrontSide
|
|
|
- });
|
|
|
- }
|
|
|
+ if ( drawMode === THREE.TriangleFanDrawMode ) {
|
|
|
|
|
|
- return cache['DefaultMaterial'];
|
|
|
- }
|
|
|
+ // gl.TRIANGLE_FAN
|
|
|
+ for ( var i = 1; i <= numberOfTriangles; i ++ ) {
|
|
|
|
|
|
- function addUnknownExtensionsToUserData(knownExtensions, object, objectDef) {
|
|
|
- // Add unknown glTF extensions to an object's userData.
|
|
|
- for (var name in objectDef.extensions) {
|
|
|
- if (knownExtensions[name] === undefined) {
|
|
|
- object.userData.gltfExtensions = object.userData.gltfExtensions || {};
|
|
|
- object.userData.gltfExtensions[name] = objectDef.extensions[name];
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- /**
|
|
|
- * @param {Object3D|Material|BufferGeometry} object
|
|
|
- * @param {GLTF.definition} gltfDef
|
|
|
- */
|
|
|
+ newIndices.push( index.getX( 0 ) );
|
|
|
+ newIndices.push( index.getX( i ) );
|
|
|
+ newIndices.push( index.getX( i + 1 ) );
|
|
|
|
|
|
+ }
|
|
|
|
|
|
- function assignExtrasToUserData(object, gltfDef) {
|
|
|
- if (gltfDef.extras !== undefined) {
|
|
|
- if (typeof gltfDef.extras === 'object') {
|
|
|
- Object.assign(object.userData, gltfDef.extras);
|
|
|
} else {
|
|
|
- console.warn('THREE.GLTFLoader: Ignoring primitive type .extras, ' + gltfDef.extras);
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#morph-targets
|
|
|
- *
|
|
|
- * @param {BufferGeometry} geometry
|
|
|
- * @param {Array<GLTF.Target>} targets
|
|
|
- * @param {GLTFParser} parser
|
|
|
- * @return {Promise<BufferGeometry>}
|
|
|
- */
|
|
|
|
|
|
+ // gl.TRIANGLE_STRIP
|
|
|
+ for ( var i = 0; i < numberOfTriangles; i ++ ) {
|
|
|
|
|
|
- function addMorphTargets(geometry, targets, parser) {
|
|
|
- var hasMorphPosition = false;
|
|
|
- var hasMorphNormal = false;
|
|
|
+ if ( i % 2 === 0 ) {
|
|
|
|
|
|
- for (var i = 0, il = targets.length; i < il; i++) {
|
|
|
- var target = targets[i];
|
|
|
- if (target.POSITION !== undefined) hasMorphPosition = true;
|
|
|
- if (target.NORMAL !== undefined) hasMorphNormal = true;
|
|
|
- if (hasMorphPosition && hasMorphNormal) break;
|
|
|
- }
|
|
|
+ newIndices.push( index.getX( i ) );
|
|
|
+ newIndices.push( index.getX( i + 1 ) );
|
|
|
+ newIndices.push( index.getX( i + 2 ) );
|
|
|
+
|
|
|
+ } else {
|
|
|
|
|
|
- if (!hasMorphPosition && !hasMorphNormal) return Promise.resolve(geometry);
|
|
|
- var pendingPositionAccessors = [];
|
|
|
- var pendingNormalAccessors = [];
|
|
|
+ newIndices.push( index.getX( i + 2 ) );
|
|
|
+ newIndices.push( index.getX( i + 1 ) );
|
|
|
+ newIndices.push( index.getX( i ) );
|
|
|
|
|
|
- for (var i = 0, il = targets.length; i < il; i++) {
|
|
|
- var target = targets[i];
|
|
|
+ }
|
|
|
|
|
|
- if (hasMorphPosition) {
|
|
|
- var pendingAccessor = target.POSITION !== undefined ? parser.getDependency('accessor', target.POSITION) : geometry.attributes.position;
|
|
|
- pendingPositionAccessors.push(pendingAccessor);
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- if (hasMorphNormal) {
|
|
|
- var pendingAccessor = target.NORMAL !== undefined ? parser.getDependency('accessor', target.NORMAL) : geometry.attributes.normal;
|
|
|
- pendingNormalAccessors.push(pendingAccessor);
|
|
|
}
|
|
|
- }
|
|
|
|
|
|
- return Promise.all([Promise.all(pendingPositionAccessors), Promise.all(pendingNormalAccessors)]).then(function (accessors) {
|
|
|
- var morphPositions = accessors[0];
|
|
|
- var morphNormals = accessors[1];
|
|
|
- if (hasMorphPosition) geometry.morphAttributes.position = morphPositions;
|
|
|
- if (hasMorphNormal) geometry.morphAttributes.normal = morphNormals;
|
|
|
- geometry.morphTargetsRelative = true;
|
|
|
- return geometry;
|
|
|
- });
|
|
|
- }
|
|
|
- /**
|
|
|
- * @param {Mesh} mesh
|
|
|
- * @param {GLTF.Mesh} meshDef
|
|
|
+ if ( newIndices.length / 3 !== numberOfTriangles ) {
|
|
|
+
|
|
|
+ console.error( 'THREE.GLTFLoader.toTrianglesDrawMode(): Unable to generate correct amount of triangles.' );
|
|
|
+
|
|
|
+ } // build final geometry
|
|
|
+
|
|
|
+
|
|
|
+ var newGeometry = geometry.clone();
|
|
|
+ newGeometry.setIndex( newIndices );
|
|
|
+ return newGeometry;
|
|
|
+
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#geometry
|
|
|
+ *
|
|
|
+ * Creates BufferGeometries from primitives.
|
|
|
+ *
|
|
|
+ * @param {Array<GLTF.Primitive>} primitives
|
|
|
+ * @return {Promise<Array<BufferGeometry>>}
|
|
|
*/
|
|
|
|
|
|
|
|
|
- function updateMorphTargets(mesh, meshDef) {
|
|
|
- mesh.updateMorphTargets();
|
|
|
+ GLTFParser.prototype.loadGeometries = function ( primitives ) {
|
|
|
|
|
|
- if (meshDef.weights !== undefined) {
|
|
|
- for (var i = 0, il = meshDef.weights.length; i < il; i++) {
|
|
|
- mesh.morphTargetInfluences[i] = meshDef.weights[i];
|
|
|
- }
|
|
|
- } // .extras has user-defined data, so check that .extras.targetNames is an array.
|
|
|
+ var parser = this;
|
|
|
+ var extensions = this.extensions;
|
|
|
+ var cache = this.primitiveCache;
|
|
|
|
|
|
+ function createDracoPrimitive( primitive ) {
|
|
|
|
|
|
- if (meshDef.extras && Array.isArray(meshDef.extras.targetNames)) {
|
|
|
- var targetNames = meshDef.extras.targetNames;
|
|
|
+ return extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ].decodePrimitive( primitive, parser ).then( function ( geometry ) {
|
|
|
|
|
|
- if (mesh.morphTargetInfluences.length === targetNames.length) {
|
|
|
- mesh.morphTargetDictionary = {};
|
|
|
+ return addPrimitiveAttributes( geometry, primitive, parser );
|
|
|
+
|
|
|
+ } );
|
|
|
|
|
|
- for (var i = 0, il = targetNames.length; i < il; i++) {
|
|
|
- mesh.morphTargetDictionary[targetNames[i]] = i;
|
|
|
- }
|
|
|
- } else {
|
|
|
- console.warn('THREE.GLTFLoader: Invalid extras.targetNames length. Ignoring names.');
|
|
|
}
|
|
|
- }
|
|
|
- }
|
|
|
|
|
|
- function createPrimitiveKey(primitiveDef) {
|
|
|
- var dracoExtension = primitiveDef.extensions && primitiveDef.extensions[EXTENSIONS.KHR_DRACO_MESH_COMPRESSION];
|
|
|
- var geometryKey;
|
|
|
+ var pending = [];
|
|
|
|
|
|
- if (dracoExtension) {
|
|
|
- geometryKey = 'draco:' + dracoExtension.bufferView + ':' + dracoExtension.indices + ':' + createAttributesKey(dracoExtension.attributes);
|
|
|
- } else {
|
|
|
- geometryKey = primitiveDef.indices + ':' + createAttributesKey(primitiveDef.attributes) + ':' + primitiveDef.mode;
|
|
|
- }
|
|
|
+ for ( var i = 0, il = primitives.length; i < il; i ++ ) {
|
|
|
|
|
|
- return geometryKey;
|
|
|
- }
|
|
|
+ var primitive = primitives[ i ];
|
|
|
+ var cacheKey = createPrimitiveKey( primitive ); // See if we've already created this geometry
|
|
|
|
|
|
- function createAttributesKey(attributes) {
|
|
|
- var attributesKey = '';
|
|
|
- var keys = Object.keys(attributes).sort();
|
|
|
+ var cached = cache[ cacheKey ];
|
|
|
|
|
|
- for (var i = 0, il = keys.length; i < il; i++) {
|
|
|
- attributesKey += keys[i] + ':' + attributes[keys[i]] + ';';
|
|
|
- }
|
|
|
+ if ( cached ) {
|
|
|
|
|
|
- return attributesKey;
|
|
|
- }
|
|
|
+ // Use the cached geometry if it exists
|
|
|
+ pending.push( cached.promise );
|
|
|
|
|
|
- function getNormalizedComponentScale(constructor) {
|
|
|
- // Reference:
|
|
|
- // https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_mesh_quantization#encoding-quantized-data
|
|
|
- switch (constructor) {
|
|
|
- case Int8Array:
|
|
|
- return 1 / 127;
|
|
|
+ } else {
|
|
|
|
|
|
- case Uint8Array:
|
|
|
- return 1 / 255;
|
|
|
+ var geometryPromise;
|
|
|
|
|
|
- case Int16Array:
|
|
|
- return 1 / 32767;
|
|
|
+ if ( primitive.extensions && primitive.extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ] ) {
|
|
|
|
|
|
- case Uint16Array:
|
|
|
- return 1 / 65535;
|
|
|
+ // Use DRACO geometry if available
|
|
|
+ geometryPromise = createDracoPrimitive( primitive );
|
|
|
|
|
|
- default:
|
|
|
- throw new Error('THREE.GLTFLoader: Unsupported normalized accessor component type.');
|
|
|
- }
|
|
|
- }
|
|
|
- /* GLTF PARSER */
|
|
|
+ } else {
|
|
|
|
|
|
+ // Otherwise create a new geometry
|
|
|
+ geometryPromise = addPrimitiveAttributes( new THREE.BufferGeometry(), primitive, parser );
|
|
|
|
|
|
- function GLTFParser(json, options) {
|
|
|
- this.json = json || {};
|
|
|
- this.extensions = {};
|
|
|
- this.plugins = {};
|
|
|
- this.options = options || {}; // loader object cache
|
|
|
+ } // Cache this geometry
|
|
|
|
|
|
- this.cache = new GLTFRegistry(); // associations between Three.js objects and glTF elements
|
|
|
|
|
|
- this.associations = new Map(); // THREE.BufferGeometry caching
|
|
|
+ cache[ cacheKey ] = {
|
|
|
+ primitive: primitive,
|
|
|
+ promise: geometryPromise
|
|
|
+ };
|
|
|
+ pending.push( geometryPromise );
|
|
|
|
|
|
- this.primitiveCache = {}; // THREE.Object3D instance caches
|
|
|
+ }
|
|
|
|
|
|
- this.meshCache = {
|
|
|
- refs: {},
|
|
|
- uses: {}
|
|
|
- };
|
|
|
- this.cameraCache = {
|
|
|
- refs: {},
|
|
|
- uses: {}
|
|
|
- };
|
|
|
- this.lightCache = {
|
|
|
- refs: {},
|
|
|
- uses: {}
|
|
|
- }; // Track node names, to ensure no duplicates
|
|
|
-
|
|
|
- this.nodeNamesUsed = {}; // Use an THREE.ImageBitmapLoader if imageBitmaps are supported. Moves much of the
|
|
|
- // expensive work of uploading a texture to the GPU off the main thread.
|
|
|
-
|
|
|
- if (typeof createImageBitmap !== 'undefined' && /Firefox/.test(navigator.userAgent) === false) {
|
|
|
- this.textureLoader = new THREE.ImageBitmapLoader(this.options.manager);
|
|
|
- } else {
|
|
|
- this.textureLoader = new THREE.TextureLoader(this.options.manager);
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- this.textureLoader.setCrossOrigin(this.options.crossOrigin);
|
|
|
- this.textureLoader.setRequestHeader(this.options.requestHeader);
|
|
|
- this.fileLoader = new THREE.FileLoader(this.options.manager);
|
|
|
- this.fileLoader.setResponseType('arraybuffer');
|
|
|
+ return Promise.all( pending );
|
|
|
|
|
|
- if (this.options.crossOrigin === 'use-credentials') {
|
|
|
- this.fileLoader.setWithCredentials(true);
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
- GLTFParser.prototype.setExtensions = function (extensions) {
|
|
|
- this.extensions = extensions;
|
|
|
- };
|
|
|
-
|
|
|
- GLTFParser.prototype.setPlugins = function (plugins) {
|
|
|
- this.plugins = plugins;
|
|
|
- };
|
|
|
-
|
|
|
- GLTFParser.prototype.parse = function (onLoad, onError) {
|
|
|
- var parser = this;
|
|
|
- var json = this.json;
|
|
|
- var extensions = this.extensions; // Clear the loader cache
|
|
|
-
|
|
|
- this.cache.removeAll(); // Mark the special nodes/meshes in json for efficient parse
|
|
|
-
|
|
|
- this._invokeAll(function (ext) {
|
|
|
- return ext._markDefs && ext._markDefs();
|
|
|
- });
|
|
|
-
|
|
|
- Promise.all(this._invokeAll(function (ext) {
|
|
|
- return ext.beforeRoot && ext.beforeRoot();
|
|
|
- })).then(function () {
|
|
|
- return Promise.all([parser.getDependencies('scene'), parser.getDependencies('animation'), parser.getDependencies('camera')]);
|
|
|
- }).then(function (dependencies) {
|
|
|
- var result = {
|
|
|
- scene: dependencies[0][json.scene || 0],
|
|
|
- scenes: dependencies[0],
|
|
|
- animations: dependencies[1],
|
|
|
- cameras: dependencies[2],
|
|
|
- asset: json.asset,
|
|
|
- parser: parser,
|
|
|
- userData: {}
|
|
|
- };
|
|
|
- addUnknownExtensionsToUserData(extensions, result, json);
|
|
|
- assignExtrasToUserData(result, json);
|
|
|
- Promise.all(parser._invokeAll(function (ext) {
|
|
|
- return ext.afterRoot && ext.afterRoot(result);
|
|
|
- })).then(function () {
|
|
|
- onLoad(result);
|
|
|
- });
|
|
|
- }).catch(onError);
|
|
|
- };
|
|
|
- /**
|
|
|
- * Marks the special nodes/meshes in json for efficient parse.
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#meshes
|
|
|
+ * @param {number} meshIndex
|
|
|
+ * @return {Promise<Group|Mesh|SkinnedMesh>}
|
|
|
*/
|
|
|
|
|
|
|
|
|
- GLTFParser.prototype._markDefs = function () {
|
|
|
- var nodeDefs = this.json.nodes || [];
|
|
|
- var skinDefs = this.json.skins || [];
|
|
|
- var meshDefs = this.json.meshes || []; // Nothing in the node definition indicates whether it is a THREE.Bone or an
|
|
|
- // THREE.Object3D. Use the skins' joint references to mark bones.
|
|
|
+ GLTFParser.prototype.loadMesh = function ( meshIndex ) {
|
|
|
+
|
|
|
+ var parser = this;
|
|
|
+ var json = this.json;
|
|
|
+ var extensions = this.extensions;
|
|
|
+ var meshDef = json.meshes[ meshIndex ];
|
|
|
+ var primitives = meshDef.primitives;
|
|
|
+ var pending = [];
|
|
|
+
|
|
|
+ for ( var i = 0, il = primitives.length; i < il; i ++ ) {
|
|
|
|
|
|
- for (var skinIndex = 0, skinLength = skinDefs.length; skinIndex < skinLength; skinIndex++) {
|
|
|
- var joints = skinDefs[skinIndex].joints;
|
|
|
+ var material = primitives[ i ].material === undefined ? createDefaultMaterial( this.cache ) : this.getDependency( 'material', primitives[ i ].material );
|
|
|
+ pending.push( material );
|
|
|
|
|
|
- for (var i = 0, il = joints.length; i < il; i++) {
|
|
|
- nodeDefs[joints[i]].isBone = true;
|
|
|
}
|
|
|
- } // Iterate over all nodes, marking references to shared resources,
|
|
|
- // as well as skeleton joints.
|
|
|
|
|
|
+ pending.push( parser.loadGeometries( primitives ) );
|
|
|
+ return Promise.all( pending ).then( function ( results ) {
|
|
|
|
|
|
- for (var nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex++) {
|
|
|
- var nodeDef = nodeDefs[nodeIndex];
|
|
|
+ var materials = results.slice( 0, results.length - 1 );
|
|
|
+ var geometries = results[ results.length - 1 ];
|
|
|
+ var meshes = [];
|
|
|
|
|
|
- if (nodeDef.mesh !== undefined) {
|
|
|
- this._addNodeRef(this.meshCache, nodeDef.mesh); // Nothing in the mesh definition indicates whether it is
|
|
|
- // a THREE.SkinnedMesh or THREE.Mesh. Use the node's mesh reference
|
|
|
- // to mark THREE.SkinnedMesh if node has skin.
|
|
|
+ for ( var i = 0, il = geometries.length; i < il; i ++ ) {
|
|
|
|
|
|
+ var geometry = geometries[ i ];
|
|
|
+ var primitive = primitives[ i ]; // 1. create THREE.Mesh
|
|
|
|
|
|
- if (nodeDef.skin !== undefined) {
|
|
|
- meshDefs[nodeDef.mesh].isSkinnedMesh = true;
|
|
|
- }
|
|
|
- }
|
|
|
+ var mesh;
|
|
|
+ var material = materials[ i ];
|
|
|
|
|
|
- if (nodeDef.camera !== undefined) {
|
|
|
- this._addNodeRef(this.cameraCache, nodeDef.camera);
|
|
|
- }
|
|
|
- }
|
|
|
- };
|
|
|
- /**
|
|
|
- * Counts references to shared node / THREE.Object3D resources. These resources
|
|
|
- * can be reused, or "instantiated", at multiple nodes in the scene
|
|
|
- * hierarchy. THREE.Mesh, Camera, and Light instances are instantiated and must
|
|
|
- * be marked. Non-scenegraph resources (like Materials, Geometries, and
|
|
|
- * Textures) can be reused directly and are not marked here.
|
|
|
- *
|
|
|
- * Example: CesiumMilkTruck sample model reuses "Wheel" meshes.
|
|
|
- */
|
|
|
+ if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLES || primitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP || primitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN || primitive.mode === undefined ) {
|
|
|
|
|
|
+ // .isSkinnedMesh isn't in glTF spec. See ._markDefs()
|
|
|
+ mesh = meshDef.isSkinnedMesh === true ? new THREE.SkinnedMesh( geometry, material ) : new THREE.Mesh( geometry, material );
|
|
|
|
|
|
- GLTFParser.prototype._addNodeRef = function (cache, index) {
|
|
|
- if (index === undefined) return;
|
|
|
+ if ( mesh.isSkinnedMesh === true && ! mesh.geometry.attributes.skinWeight.normalized ) {
|
|
|
|
|
|
- if (cache.refs[index] === undefined) {
|
|
|
- cache.refs[index] = cache.uses[index] = 0;
|
|
|
- }
|
|
|
+ // we normalize floating point skin weight array to fix malformed assets (see #15319)
|
|
|
+ // it's important to skip this for non-float32 data since normalizeSkinWeights assumes non-normalized inputs
|
|
|
+ mesh.normalizeSkinWeights();
|
|
|
|
|
|
- cache.refs[index]++;
|
|
|
- };
|
|
|
- /** Returns a reference to a shared resource, cloning it if necessary. */
|
|
|
+ }
|
|
|
|
|
|
+ if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP ) {
|
|
|
|
|
|
- GLTFParser.prototype._getNodeRef = function (cache, index, object) {
|
|
|
- if (cache.refs[index] <= 1) return object;
|
|
|
- var ref = object.clone();
|
|
|
- ref.name += '_instance_' + cache.uses[index]++;
|
|
|
- return ref;
|
|
|
- };
|
|
|
+ mesh.geometry = toTrianglesDrawMode( mesh.geometry, THREE.TriangleStripDrawMode );
|
|
|
|
|
|
- GLTFParser.prototype._invokeOne = function (func) {
|
|
|
- var extensions = Object.values(this.plugins);
|
|
|
- extensions.push(this);
|
|
|
+ } else if ( primitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN ) {
|
|
|
|
|
|
- for (var i = 0; i < extensions.length; i++) {
|
|
|
- var result = func(extensions[i]);
|
|
|
- if (result) return result;
|
|
|
- }
|
|
|
+ mesh.geometry = toTrianglesDrawMode( mesh.geometry, THREE.TriangleFanDrawMode );
|
|
|
|
|
|
- return null;
|
|
|
- };
|
|
|
+ }
|
|
|
|
|
|
- GLTFParser.prototype._invokeAll = function (func) {
|
|
|
- var extensions = Object.values(this.plugins);
|
|
|
- extensions.unshift(this);
|
|
|
- var pending = [];
|
|
|
+ } else if ( primitive.mode === WEBGL_CONSTANTS.LINES ) {
|
|
|
|
|
|
- for (var i = 0; i < extensions.length; i++) {
|
|
|
- var result = func(extensions[i]);
|
|
|
- if (result) pending.push(result);
|
|
|
- }
|
|
|
+ mesh = new THREE.LineSegments( geometry, material );
|
|
|
|
|
|
- return pending;
|
|
|
- };
|
|
|
- /**
|
|
|
- * Requests the specified dependency asynchronously, with caching.
|
|
|
- * @param {string} type
|
|
|
- * @param {number} index
|
|
|
- * @return {Promise<Object3D|Material|THREE.Texture|AnimationClip|ArrayBuffer|Object>}
|
|
|
- */
|
|
|
+ } else if ( primitive.mode === WEBGL_CONSTANTS.LINE_STRIP ) {
|
|
|
|
|
|
+ mesh = new THREE.Line( geometry, material );
|
|
|
|
|
|
- GLTFParser.prototype.getDependency = function (type, index) {
|
|
|
- var cacheKey = type + ':' + index;
|
|
|
- var dependency = this.cache.get(cacheKey);
|
|
|
+ } else if ( primitive.mode === WEBGL_CONSTANTS.LINE_LOOP ) {
|
|
|
|
|
|
- if (!dependency) {
|
|
|
- switch (type) {
|
|
|
- case 'scene':
|
|
|
- dependency = this.loadScene(index);
|
|
|
- break;
|
|
|
+ mesh = new THREE.LineLoop( geometry, material );
|
|
|
|
|
|
- case 'node':
|
|
|
- dependency = this.loadNode(index);
|
|
|
- break;
|
|
|
+ } else if ( primitive.mode === WEBGL_CONSTANTS.POINTS ) {
|
|
|
|
|
|
- case 'mesh':
|
|
|
- dependency = this._invokeOne(function (ext) {
|
|
|
- return ext.loadMesh && ext.loadMesh(index);
|
|
|
- });
|
|
|
- break;
|
|
|
+ mesh = new THREE.Points( geometry, material );
|
|
|
|
|
|
- case 'accessor':
|
|
|
- dependency = this.loadAccessor(index);
|
|
|
- break;
|
|
|
+ } else {
|
|
|
|
|
|
- case 'bufferView':
|
|
|
- dependency = this._invokeOne(function (ext) {
|
|
|
- return ext.loadBufferView && ext.loadBufferView(index);
|
|
|
- });
|
|
|
- break;
|
|
|
+ throw new Error( 'THREE.GLTFLoader: Primitive mode unsupported: ' + primitive.mode );
|
|
|
|
|
|
- case 'buffer':
|
|
|
- dependency = this.loadBuffer(index);
|
|
|
- break;
|
|
|
+ }
|
|
|
|
|
|
- case 'material':
|
|
|
- dependency = this._invokeOne(function (ext) {
|
|
|
- return ext.loadMaterial && ext.loadMaterial(index);
|
|
|
- });
|
|
|
- break;
|
|
|
+ if ( Object.keys( mesh.geometry.morphAttributes ).length > 0 ) {
|
|
|
|
|
|
- case 'texture':
|
|
|
- dependency = this._invokeOne(function (ext) {
|
|
|
- return ext.loadTexture && ext.loadTexture(index);
|
|
|
- });
|
|
|
- break;
|
|
|
+ updateMorphTargets( mesh, meshDef );
|
|
|
|
|
|
- case 'skin':
|
|
|
- dependency = this.loadSkin(index);
|
|
|
- break;
|
|
|
+ }
|
|
|
|
|
|
- case 'animation':
|
|
|
- dependency = this.loadAnimation(index);
|
|
|
- break;
|
|
|
+ mesh.name = parser.createUniqueName( meshDef.name || 'mesh_' + meshIndex );
|
|
|
+ assignExtrasToUserData( mesh, meshDef );
|
|
|
+ if ( primitive.extensions ) addUnknownExtensionsToUserData( extensions, mesh, primitive );
|
|
|
+ parser.assignFinalMaterial( mesh );
|
|
|
+ meshes.push( mesh );
|
|
|
|
|
|
- case 'camera':
|
|
|
- dependency = this.loadCamera(index);
|
|
|
- break;
|
|
|
+ }
|
|
|
|
|
|
- default:
|
|
|
- throw new Error('Unknown type: ' + type);
|
|
|
- }
|
|
|
+ if ( meshes.length === 1 ) {
|
|
|
|
|
|
- this.cache.add(cacheKey, dependency);
|
|
|
- }
|
|
|
+ return meshes[ 0 ];
|
|
|
|
|
|
- return dependency;
|
|
|
- };
|
|
|
- /**
|
|
|
- * Requests all dependencies of the specified type asynchronously, with caching.
|
|
|
- * @param {string} type
|
|
|
- * @return {Promise<Array<Object>>}
|
|
|
- */
|
|
|
+ }
|
|
|
|
|
|
+ var group = new THREE.Group();
|
|
|
|
|
|
- GLTFParser.prototype.getDependencies = function (type) {
|
|
|
- var dependencies = this.cache.get(type);
|
|
|
+ for ( var i = 0, il = meshes.length; i < il; i ++ ) {
|
|
|
|
|
|
- if (!dependencies) {
|
|
|
- var parser = this;
|
|
|
- var defs = this.json[type + (type === 'mesh' ? 'es' : 's')] || [];
|
|
|
- dependencies = Promise.all(defs.map(function (def, index) {
|
|
|
- return parser.getDependency(type, index);
|
|
|
- }));
|
|
|
- this.cache.add(type, dependencies);
|
|
|
- }
|
|
|
+ group.add( meshes[ i ] );
|
|
|
|
|
|
- return dependencies;
|
|
|
- };
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views
|
|
|
- * @param {number} bufferIndex
|
|
|
- * @return {Promise<ArrayBuffer>}
|
|
|
- */
|
|
|
+ }
|
|
|
+
|
|
|
+ return group;
|
|
|
|
|
|
+ } );
|
|
|
|
|
|
- GLTFParser.prototype.loadBuffer = function (bufferIndex) {
|
|
|
- var bufferDef = this.json.buffers[bufferIndex];
|
|
|
- var loader = this.fileLoader;
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#cameras
|
|
|
+ * @param {number} cameraIndex
|
|
|
+ * @return {Promise<THREE.Camera>}
|
|
|
+ */
|
|
|
|
|
|
- if (bufferDef.type && bufferDef.type !== 'arraybuffer') {
|
|
|
- throw new Error('THREE.GLTFLoader: ' + bufferDef.type + ' buffer type is not supported.');
|
|
|
- } // If present, GLB container is required to be the first buffer.
|
|
|
|
|
|
+ GLTFParser.prototype.loadCamera = function ( cameraIndex ) {
|
|
|
|
|
|
- if (bufferDef.uri === undefined && bufferIndex === 0) {
|
|
|
- return Promise.resolve(this.extensions[EXTENSIONS.KHR_BINARY_GLTF].body);
|
|
|
- }
|
|
|
+ var camera;
|
|
|
+ var cameraDef = this.json.cameras[ cameraIndex ];
|
|
|
+ var params = cameraDef[ cameraDef.type ];
|
|
|
|
|
|
- var options = this.options;
|
|
|
- return new Promise(function (resolve, reject) {
|
|
|
- loader.load(resolveURL(bufferDef.uri, options.path), resolve, undefined, function () {
|
|
|
- reject(new Error('THREE.GLTFLoader: Failed to load buffer "' + bufferDef.uri + '".'));
|
|
|
- });
|
|
|
- });
|
|
|
- };
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views
|
|
|
- * @param {number} bufferViewIndex
|
|
|
- * @return {Promise<ArrayBuffer>}
|
|
|
- */
|
|
|
+ if ( ! params ) {
|
|
|
|
|
|
+ console.warn( 'THREE.GLTFLoader: Missing camera parameters.' );
|
|
|
+ return;
|
|
|
|
|
|
- GLTFParser.prototype.loadBufferView = function (bufferViewIndex) {
|
|
|
- var bufferViewDef = this.json.bufferViews[bufferViewIndex];
|
|
|
- return this.getDependency('buffer', bufferViewDef.buffer).then(function (buffer) {
|
|
|
- var byteLength = bufferViewDef.byteLength || 0;
|
|
|
- var byteOffset = bufferViewDef.byteOffset || 0;
|
|
|
- return buffer.slice(byteOffset, byteOffset + byteLength);
|
|
|
- });
|
|
|
- };
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#accessors
|
|
|
- * @param {number} accessorIndex
|
|
|
- * @return {Promise<BufferAttribute|InterleavedBufferAttribute>}
|
|
|
- */
|
|
|
+ }
|
|
|
|
|
|
+ if ( cameraDef.type === 'perspective' ) {
|
|
|
|
|
|
- GLTFParser.prototype.loadAccessor = function (accessorIndex) {
|
|
|
- var parser = this;
|
|
|
- var json = this.json;
|
|
|
- var accessorDef = this.json.accessors[accessorIndex];
|
|
|
+ camera = new THREE.PerspectiveCamera( THREE.MathUtils.radToDeg( params.yfov ), params.aspectRatio || 1, params.znear || 1, params.zfar || 2e6 );
|
|
|
|
|
|
- if (accessorDef.bufferView === undefined && accessorDef.sparse === undefined) {
|
|
|
- // Ignore empty accessors, which may be used to declare runtime
|
|
|
- // information about attributes coming from another source (e.g. Draco
|
|
|
- // compression extension).
|
|
|
- return Promise.resolve(null);
|
|
|
- }
|
|
|
+ } else if ( cameraDef.type === 'orthographic' ) {
|
|
|
|
|
|
- var pendingBufferViews = [];
|
|
|
+ camera = new THREE.OrthographicCamera( - params.xmag, params.xmag, params.ymag, - params.ymag, params.znear, params.zfar );
|
|
|
|
|
|
- if (accessorDef.bufferView !== undefined) {
|
|
|
- pendingBufferViews.push(this.getDependency('bufferView', accessorDef.bufferView));
|
|
|
- } else {
|
|
|
- pendingBufferViews.push(null);
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- if (accessorDef.sparse !== undefined) {
|
|
|
- pendingBufferViews.push(this.getDependency('bufferView', accessorDef.sparse.indices.bufferView));
|
|
|
- pendingBufferViews.push(this.getDependency('bufferView', accessorDef.sparse.values.bufferView));
|
|
|
- }
|
|
|
+ if ( cameraDef.name ) camera.name = this.createUniqueName( cameraDef.name );
|
|
|
+ assignExtrasToUserData( camera, cameraDef );
|
|
|
+ return Promise.resolve( camera );
|
|
|
|
|
|
- return Promise.all(pendingBufferViews).then(function (bufferViews) {
|
|
|
- var bufferView = bufferViews[0];
|
|
|
- var itemSize = WEBGL_TYPE_SIZES[accessorDef.type];
|
|
|
- var TypedArray = WEBGL_COMPONENT_TYPES[accessorDef.componentType]; // For VEC3: itemSize is 3, elementBytes is 4, itemBytes is 12.
|
|
|
-
|
|
|
- var elementBytes = TypedArray.BYTES_PER_ELEMENT;
|
|
|
- var itemBytes = elementBytes * itemSize;
|
|
|
- var byteOffset = accessorDef.byteOffset || 0;
|
|
|
- var byteStride = accessorDef.bufferView !== undefined ? json.bufferViews[accessorDef.bufferView].byteStride : undefined;
|
|
|
- var normalized = accessorDef.normalized === true;
|
|
|
- var array, bufferAttribute; // The buffer is not interleaved if the stride is the item size in bytes.
|
|
|
-
|
|
|
- if (byteStride && byteStride !== itemBytes) {
|
|
|
- // Each "slice" of the buffer, as defined by 'count' elements of 'byteStride' bytes, gets its own THREE.InterleavedBuffer
|
|
|
- // This makes sure that IBA.count reflects accessor.count properly
|
|
|
- var ibSlice = Math.floor(byteOffset / byteStride);
|
|
|
- var ibCacheKey = 'InterleavedBuffer:' + accessorDef.bufferView + ':' + accessorDef.componentType + ':' + ibSlice + ':' + accessorDef.count;
|
|
|
- var ib = parser.cache.get(ibCacheKey);
|
|
|
-
|
|
|
- if (!ib) {
|
|
|
- array = new TypedArray(bufferView, ibSlice * byteStride, accessorDef.count * byteStride / elementBytes); // Integer parameters to IB/IBA are in array elements, not bytes.
|
|
|
-
|
|
|
- ib = new THREE.InterleavedBuffer(array, byteStride / elementBytes);
|
|
|
- parser.cache.add(ibCacheKey, ib);
|
|
|
- }
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#skins
|
|
|
+ * @param {number} skinIndex
|
|
|
+ * @return {Promise<Object>}
|
|
|
+ */
|
|
|
|
|
|
- bufferAttribute = new THREE.InterleavedBufferAttribute(ib, itemSize, byteOffset % byteStride / elementBytes, normalized);
|
|
|
- } else {
|
|
|
- if (bufferView === null) {
|
|
|
- array = new TypedArray(accessorDef.count * itemSize);
|
|
|
- } else {
|
|
|
- array = new TypedArray(bufferView, byteOffset, accessorDef.count * itemSize);
|
|
|
- }
|
|
|
|
|
|
- bufferAttribute = new THREE.BufferAttribute(array, itemSize, normalized);
|
|
|
- } // https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#sparse-accessors
|
|
|
+ GLTFParser.prototype.loadSkin = function ( skinIndex ) {
|
|
|
|
|
|
+ var skinDef = this.json.skins[ skinIndex ];
|
|
|
+ var skinEntry = {
|
|
|
+ joints: skinDef.joints
|
|
|
+ };
|
|
|
|
|
|
- if (accessorDef.sparse !== undefined) {
|
|
|
- var itemSizeIndices = WEBGL_TYPE_SIZES.SCALAR;
|
|
|
- var TypedArrayIndices = WEBGL_COMPONENT_TYPES[accessorDef.sparse.indices.componentType];
|
|
|
- var byteOffsetIndices = accessorDef.sparse.indices.byteOffset || 0;
|
|
|
- var byteOffsetValues = accessorDef.sparse.values.byteOffset || 0;
|
|
|
- var sparseIndices = new TypedArrayIndices(bufferViews[1], byteOffsetIndices, accessorDef.sparse.count * itemSizeIndices);
|
|
|
- var sparseValues = new TypedArray(bufferViews[2], byteOffsetValues, accessorDef.sparse.count * itemSize);
|
|
|
+ if ( skinDef.inverseBindMatrices === undefined ) {
|
|
|
|
|
|
- if (bufferView !== null) {
|
|
|
- // Avoid modifying the original ArrayBuffer, if the bufferView wasn't initialized with zeroes.
|
|
|
- bufferAttribute = new THREE.BufferAttribute(bufferAttribute.array.slice(), bufferAttribute.itemSize, bufferAttribute.normalized);
|
|
|
- }
|
|
|
+ return Promise.resolve( skinEntry );
|
|
|
|
|
|
- for (var i = 0, il = sparseIndices.length; i < il; i++) {
|
|
|
- var index = sparseIndices[i];
|
|
|
- bufferAttribute.setX(index, sparseValues[i * itemSize]);
|
|
|
- if (itemSize >= 2) bufferAttribute.setY(index, sparseValues[i * itemSize + 1]);
|
|
|
- if (itemSize >= 3) bufferAttribute.setZ(index, sparseValues[i * itemSize + 2]);
|
|
|
- if (itemSize >= 4) bufferAttribute.setW(index, sparseValues[i * itemSize + 3]);
|
|
|
- if (itemSize >= 5) throw new Error('THREE.GLTFLoader: Unsupported itemSize in sparse THREE.BufferAttribute.');
|
|
|
- }
|
|
|
}
|
|
|
|
|
|
- return bufferAttribute;
|
|
|
- });
|
|
|
- };
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#textures
|
|
|
- * @param {number} textureIndex
|
|
|
- * @return {Promise<THREE.Texture>}
|
|
|
- */
|
|
|
+ return this.getDependency( 'accessor', skinDef.inverseBindMatrices ).then( function ( accessor ) {
|
|
|
|
|
|
+ skinEntry.inverseBindMatrices = accessor;
|
|
|
+ return skinEntry;
|
|
|
|
|
|
- GLTFParser.prototype.loadTexture = function (textureIndex) {
|
|
|
- var json = this.json;
|
|
|
- var options = this.options;
|
|
|
- var textureDef = json.textures[textureIndex];
|
|
|
- var source = json.images[textureDef.source];
|
|
|
- var loader = this.textureLoader;
|
|
|
+ } );
|
|
|
|
|
|
- if (source.uri) {
|
|
|
- var handler = options.manager.getHandler(source.uri);
|
|
|
- if (handler !== null) loader = handler;
|
|
|
- }
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#animations
|
|
|
+ * @param {number} animationIndex
|
|
|
+ * @return {Promise<AnimationClip>}
|
|
|
+ */
|
|
|
|
|
|
- return this.loadTextureImage(textureIndex, source, loader);
|
|
|
- };
|
|
|
-
|
|
|
- GLTFParser.prototype.loadTextureImage = function (textureIndex, source, loader) {
|
|
|
- var parser = this;
|
|
|
- var json = this.json;
|
|
|
- var options = this.options;
|
|
|
- var textureDef = json.textures[textureIndex];
|
|
|
- var URL = self.URL || self.webkitURL;
|
|
|
- var sourceURI = source.uri;
|
|
|
- var isObjectURL = false;
|
|
|
- var hasAlpha = true;
|
|
|
- if (source.mimeType === 'image/jpeg') hasAlpha = false;
|
|
|
-
|
|
|
- if (source.bufferView !== undefined) {
|
|
|
- // Load binary image data from bufferView, if provided.
|
|
|
- sourceURI = parser.getDependency('bufferView', source.bufferView).then(function (bufferView) {
|
|
|
- if (source.mimeType === 'image/png') {
|
|
|
- // Inspect the PNG 'IHDR' chunk to determine whether the image could have an
|
|
|
- // alpha channel. This check is conservative — the image could have an alpha
|
|
|
- // channel with all values == 1, and the indexed type (colorType == 3) only
|
|
|
- // sometimes contains alpha.
|
|
|
- //
|
|
|
- // https://en.wikipedia.org/wiki/Portable_Network_Graphics#File_header
|
|
|
- var colorType = new DataView(bufferView, 25, 1).getUint8(0, false);
|
|
|
- hasAlpha = colorType === 6 || colorType === 4 || colorType === 3;
|
|
|
- }
|
|
|
|
|
|
- isObjectURL = true;
|
|
|
- var blob = new Blob([bufferView], {
|
|
|
- type: source.mimeType
|
|
|
- });
|
|
|
- sourceURI = URL.createObjectURL(blob);
|
|
|
- return sourceURI;
|
|
|
- });
|
|
|
- } else if (source.uri === undefined) {
|
|
|
- throw new Error('THREE.GLTFLoader: Image ' + textureIndex + ' is missing URI and bufferView');
|
|
|
- }
|
|
|
+ GLTFParser.prototype.loadAnimation = function ( animationIndex ) {
|
|
|
|
|
|
- return Promise.resolve(sourceURI).then(function (sourceURI) {
|
|
|
- return new Promise(function (resolve, reject) {
|
|
|
- var onLoad = resolve;
|
|
|
+ var json = this.json;
|
|
|
+ var animationDef = json.animations[ animationIndex ];
|
|
|
+ var pendingNodes = [];
|
|
|
+ var pendingInputAccessors = [];
|
|
|
+ var pendingOutputAccessors = [];
|
|
|
+ var pendingSamplers = [];
|
|
|
+ var pendingTargets = [];
|
|
|
+
|
|
|
+ for ( var i = 0, il = animationDef.channels.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ var channel = animationDef.channels[ i ];
|
|
|
+ var sampler = animationDef.samplers[ channel.sampler ];
|
|
|
+ var target = channel.target;
|
|
|
+ var name = target.node !== undefined ? target.node : target.id; // NOTE: target.id is deprecated.
|
|
|
+
|
|
|
+ var input = animationDef.parameters !== undefined ? animationDef.parameters[ sampler.input ] : sampler.input;
|
|
|
+ var output = animationDef.parameters !== undefined ? animationDef.parameters[ sampler.output ] : sampler.output;
|
|
|
+ pendingNodes.push( this.getDependency( 'node', name ) );
|
|
|
+ pendingInputAccessors.push( this.getDependency( 'accessor', input ) );
|
|
|
+ pendingOutputAccessors.push( this.getDependency( 'accessor', output ) );
|
|
|
+ pendingSamplers.push( sampler );
|
|
|
+ pendingTargets.push( target );
|
|
|
|
|
|
- if (loader.isImageBitmapLoader === true) {
|
|
|
- onLoad = function (imageBitmap) {
|
|
|
- resolve(new THREE.CanvasTexture(imageBitmap));
|
|
|
- };
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- loader.load(resolveURL(sourceURI, options.path), onLoad, undefined, reject);
|
|
|
- });
|
|
|
- }).then(function (texture) {
|
|
|
- // Clean up resources and configure Texture.
|
|
|
- if (isObjectURL === true) {
|
|
|
- URL.revokeObjectURL(sourceURI);
|
|
|
- }
|
|
|
-
|
|
|
- texture.flipY = false;
|
|
|
- if (textureDef.name) texture.name = textureDef.name; // When there is definitely no alpha channel in the texture, set THREE.RGBFormat to save space.
|
|
|
-
|
|
|
- if (!hasAlpha) texture.format = THREE.RGBFormat;
|
|
|
- var samplers = json.samplers || {};
|
|
|
- var sampler = samplers[textureDef.sampler] || {};
|
|
|
- texture.magFilter = WEBGL_FILTERS[sampler.magFilter] || THREE.LinearFilter;
|
|
|
- texture.minFilter = WEBGL_FILTERS[sampler.minFilter] || THREE.LinearMipmapLinearFilter;
|
|
|
- texture.wrapS = WEBGL_WRAPPINGS[sampler.wrapS] || THREE.RepeatWrapping;
|
|
|
- texture.wrapT = WEBGL_WRAPPINGS[sampler.wrapT] || THREE.RepeatWrapping;
|
|
|
- parser.associations.set(texture, {
|
|
|
- type: 'textures',
|
|
|
- index: textureIndex
|
|
|
- });
|
|
|
- return texture;
|
|
|
- });
|
|
|
- };
|
|
|
- /**
|
|
|
- * Asynchronously assigns a texture to the given material parameters.
|
|
|
- * @param {Object} materialParams
|
|
|
- * @param {string} mapName
|
|
|
- * @param {Object} mapDef
|
|
|
- * @return {Promise}
|
|
|
- */
|
|
|
+ return Promise.all( [ Promise.all( pendingNodes ), Promise.all( pendingInputAccessors ), Promise.all( pendingOutputAccessors ), Promise.all( pendingSamplers ), Promise.all( pendingTargets ) ] ).then( function ( dependencies ) {
|
|
|
|
|
|
+ var nodes = dependencies[ 0 ];
|
|
|
+ var inputAccessors = dependencies[ 1 ];
|
|
|
+ var outputAccessors = dependencies[ 2 ];
|
|
|
+ var samplers = dependencies[ 3 ];
|
|
|
+ var targets = dependencies[ 4 ];
|
|
|
+ var tracks = [];
|
|
|
|
|
|
- GLTFParser.prototype.assignTexture = function (materialParams, mapName, mapDef) {
|
|
|
- var parser = this;
|
|
|
- return this.getDependency('texture', mapDef.index).then(function (texture) {
|
|
|
- // Materials sample aoMap from UV set 1 and other maps from UV set 0 - this can't be configured
|
|
|
- // However, we will copy UV set 0 to UV set 1 on demand for aoMap
|
|
|
- if (mapDef.texCoord !== undefined && mapDef.texCoord != 0 && !(mapName === 'aoMap' && mapDef.texCoord == 1)) {
|
|
|
- console.warn('THREE.GLTFLoader: Custom UV set ' + mapDef.texCoord + ' for texture ' + mapName + ' not yet supported.');
|
|
|
- }
|
|
|
+ for ( var i = 0, il = nodes.length; i < il; i ++ ) {
|
|
|
|
|
|
- if (parser.extensions[EXTENSIONS.KHR_TEXTURE_TRANSFORM]) {
|
|
|
- var transform = mapDef.extensions !== undefined ? mapDef.extensions[EXTENSIONS.KHR_TEXTURE_TRANSFORM] : undefined;
|
|
|
+ var node = nodes[ i ];
|
|
|
+ var inputAccessor = inputAccessors[ i ];
|
|
|
+ var outputAccessor = outputAccessors[ i ];
|
|
|
+ var sampler = samplers[ i ];
|
|
|
+ var target = targets[ i ];
|
|
|
+ if ( node === undefined ) continue;
|
|
|
+ node.updateMatrix();
|
|
|
+ node.matrixAutoUpdate = true;
|
|
|
+ var TypedKeyframeTrack;
|
|
|
|
|
|
- if (transform) {
|
|
|
- var gltfReference = parser.associations.get(texture);
|
|
|
- texture = parser.extensions[EXTENSIONS.KHR_TEXTURE_TRANSFORM].extendTexture(texture, transform);
|
|
|
- parser.associations.set(texture, gltfReference);
|
|
|
- }
|
|
|
- }
|
|
|
+ switch ( PATH_PROPERTIES[ target.path ] ) {
|
|
|
|
|
|
- materialParams[mapName] = texture;
|
|
|
- });
|
|
|
- };
|
|
|
- /**
|
|
|
- * Assigns final material to a THREE.Mesh, THREE.Line, or THREE.Points instance. The instance
|
|
|
- * already has a material (generated from the glTF material options alone)
|
|
|
- * but reuse of the same glTF material may require multiple threejs materials
|
|
|
- * to accommodate different primitive types, defines, etc. New materials will
|
|
|
- * be created if necessary, and reused from a cache.
|
|
|
- * @param {Object3D} mesh THREE.Mesh, THREE.Line, or THREE.Points instance.
|
|
|
- */
|
|
|
+ case PATH_PROPERTIES.weights:
|
|
|
+ TypedKeyframeTrack = THREE.NumberKeyframeTrack;
|
|
|
+ break;
|
|
|
|
|
|
+ case PATH_PROPERTIES.rotation:
|
|
|
+ TypedKeyframeTrack = THREE.QuaternionKeyframeTrack;
|
|
|
+ break;
|
|
|
|
|
|
- GLTFParser.prototype.assignFinalMaterial = function (mesh) {
|
|
|
- var geometry = mesh.geometry;
|
|
|
- var material = mesh.material;
|
|
|
- var useVertexTangents = geometry.attributes.tangent !== undefined;
|
|
|
- var useVertexColors = geometry.attributes.color !== undefined;
|
|
|
- var useFlatShading = geometry.attributes.normal === undefined;
|
|
|
- var useSkinning = mesh.isSkinnedMesh === true;
|
|
|
- var useMorphTargets = Object.keys(geometry.morphAttributes).length > 0;
|
|
|
- var useMorphNormals = useMorphTargets && geometry.morphAttributes.normal !== undefined;
|
|
|
-
|
|
|
- if (mesh.isPoints) {
|
|
|
- var cacheKey = 'PointsMaterial:' + material.uuid;
|
|
|
- var pointsMaterial = this.cache.get(cacheKey);
|
|
|
-
|
|
|
- if (!pointsMaterial) {
|
|
|
- pointsMaterial = new THREE.PointsMaterial();
|
|
|
- THREE.Material.prototype.copy.call(pointsMaterial, material);
|
|
|
- pointsMaterial.color.copy(material.color);
|
|
|
- pointsMaterial.map = material.map;
|
|
|
- pointsMaterial.sizeAttenuation = false; // glTF spec says points should be 1px
|
|
|
-
|
|
|
- this.cache.add(cacheKey, pointsMaterial);
|
|
|
- }
|
|
|
-
|
|
|
- material = pointsMaterial;
|
|
|
- } else if (mesh.isLine) {
|
|
|
- var cacheKey = 'LineBasicMaterial:' + material.uuid;
|
|
|
- var lineMaterial = this.cache.get(cacheKey);
|
|
|
-
|
|
|
- if (!lineMaterial) {
|
|
|
- lineMaterial = new THREE.LineBasicMaterial();
|
|
|
- THREE.Material.prototype.copy.call(lineMaterial, material);
|
|
|
- lineMaterial.color.copy(material.color);
|
|
|
- this.cache.add(cacheKey, lineMaterial);
|
|
|
- }
|
|
|
-
|
|
|
- material = lineMaterial;
|
|
|
- } // Clone the material if it will be modified
|
|
|
-
|
|
|
-
|
|
|
- if (useVertexTangents || useVertexColors || useFlatShading || useSkinning || useMorphTargets) {
|
|
|
- var cacheKey = 'ClonedMaterial:' + material.uuid + ':';
|
|
|
- if (material.isGLTFSpecularGlossinessMaterial) cacheKey += 'specular-glossiness:';
|
|
|
- if (useSkinning) cacheKey += 'skinning:';
|
|
|
- if (useVertexTangents) cacheKey += 'vertex-tangents:';
|
|
|
- if (useVertexColors) cacheKey += 'vertex-colors:';
|
|
|
- if (useFlatShading) cacheKey += 'flat-shading:';
|
|
|
- if (useMorphTargets) cacheKey += 'morph-targets:';
|
|
|
- if (useMorphNormals) cacheKey += 'morph-normals:';
|
|
|
- var cachedMaterial = this.cache.get(cacheKey);
|
|
|
-
|
|
|
- if (!cachedMaterial) {
|
|
|
- cachedMaterial = material.clone();
|
|
|
- if (useSkinning) cachedMaterial.skinning = true;
|
|
|
- if (useVertexColors) cachedMaterial.vertexColors = true;
|
|
|
- if (useFlatShading) cachedMaterial.flatShading = true;
|
|
|
- if (useMorphTargets) cachedMaterial.morphTargets = true;
|
|
|
- if (useMorphNormals) cachedMaterial.morphNormals = true;
|
|
|
-
|
|
|
- if (useVertexTangents) {
|
|
|
- cachedMaterial.vertexTangents = true; // https://github.com/mrdoob/three.js/issues/11438#issuecomment-507003995
|
|
|
-
|
|
|
- if (cachedMaterial.normalScale) cachedMaterial.normalScale.y *= -1;
|
|
|
- if (cachedMaterial.clearcoatNormalScale) cachedMaterial.clearcoatNormalScale.y *= -1;
|
|
|
- }
|
|
|
+ case PATH_PROPERTIES.position:
|
|
|
+ case PATH_PROPERTIES.scale:
|
|
|
+ default:
|
|
|
+ TypedKeyframeTrack = THREE.VectorKeyframeTrack;
|
|
|
+ break;
|
|
|
|
|
|
- this.cache.add(cacheKey, cachedMaterial);
|
|
|
- this.associations.set(cachedMaterial, this.associations.get(material));
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- material = cachedMaterial;
|
|
|
- } // workarounds for mesh and geometry
|
|
|
+ var targetName = node.name ? node.name : node.uuid;
|
|
|
+ var interpolation = sampler.interpolation !== undefined ? INTERPOLATION[ sampler.interpolation ] : THREE.InterpolateLinear;
|
|
|
+ var targetNames = [];
|
|
|
|
|
|
+ if ( PATH_PROPERTIES[ target.path ] === PATH_PROPERTIES.weights ) {
|
|
|
|
|
|
- if (material.aoMap && geometry.attributes.uv2 === undefined && geometry.attributes.uv !== undefined) {
|
|
|
- geometry.setAttribute('uv2', geometry.attributes.uv);
|
|
|
- }
|
|
|
+ // Node may be a THREE.Group (glTF mesh with several primitives) or a THREE.Mesh.
|
|
|
+ node.traverse( function ( object ) {
|
|
|
|
|
|
- mesh.material = material;
|
|
|
- };
|
|
|
+ if ( object.isMesh === true && object.morphTargetInfluences ) {
|
|
|
|
|
|
- GLTFParser.prototype.getMaterialType = function ()
|
|
|
- /* materialIndex */
|
|
|
- {
|
|
|
- return THREE.MeshStandardMaterial;
|
|
|
- };
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#materials
|
|
|
- * @param {number} materialIndex
|
|
|
- * @return {Promise<Material>}
|
|
|
- */
|
|
|
+ targetNames.push( object.name ? object.name : object.uuid );
|
|
|
|
|
|
+ }
|
|
|
|
|
|
- GLTFParser.prototype.loadMaterial = function (materialIndex) {
|
|
|
- var parser = this;
|
|
|
- var json = this.json;
|
|
|
- var extensions = this.extensions;
|
|
|
- var materialDef = json.materials[materialIndex];
|
|
|
- var materialType;
|
|
|
- var materialParams = {};
|
|
|
- var materialExtensions = materialDef.extensions || {};
|
|
|
- var pending = [];
|
|
|
-
|
|
|
- if (materialExtensions[EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS]) {
|
|
|
- var sgExtension = extensions[EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS];
|
|
|
- materialType = sgExtension.getMaterialType();
|
|
|
- pending.push(sgExtension.extendParams(materialParams, materialDef, parser));
|
|
|
- } else if (materialExtensions[EXTENSIONS.KHR_MATERIALS_UNLIT]) {
|
|
|
- var kmuExtension = extensions[EXTENSIONS.KHR_MATERIALS_UNLIT];
|
|
|
- materialType = kmuExtension.getMaterialType();
|
|
|
- pending.push(kmuExtension.extendParams(materialParams, materialDef, parser));
|
|
|
- } else {
|
|
|
- // Specification:
|
|
|
- // https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#metallic-roughness-material
|
|
|
- var metallicRoughness = materialDef.pbrMetallicRoughness || {};
|
|
|
- materialParams.color = new THREE.Color(1.0, 1.0, 1.0);
|
|
|
- materialParams.opacity = 1.0;
|
|
|
+ } );
|
|
|
|
|
|
- if (Array.isArray(metallicRoughness.baseColorFactor)) {
|
|
|
- var array = metallicRoughness.baseColorFactor;
|
|
|
- materialParams.color.fromArray(array);
|
|
|
- materialParams.opacity = array[3];
|
|
|
- }
|
|
|
+ } else {
|
|
|
|
|
|
- if (metallicRoughness.baseColorTexture !== undefined) {
|
|
|
- pending.push(parser.assignTexture(materialParams, 'map', metallicRoughness.baseColorTexture));
|
|
|
- }
|
|
|
+ targetNames.push( targetName );
|
|
|
|
|
|
- materialParams.metalness = metallicRoughness.metallicFactor !== undefined ? metallicRoughness.metallicFactor : 1.0;
|
|
|
- materialParams.roughness = metallicRoughness.roughnessFactor !== undefined ? metallicRoughness.roughnessFactor : 1.0;
|
|
|
+ }
|
|
|
|
|
|
- if (metallicRoughness.metallicRoughnessTexture !== undefined) {
|
|
|
- pending.push(parser.assignTexture(materialParams, 'metalnessMap', metallicRoughness.metallicRoughnessTexture));
|
|
|
- pending.push(parser.assignTexture(materialParams, 'roughnessMap', metallicRoughness.metallicRoughnessTexture));
|
|
|
- }
|
|
|
+ var outputArray = outputAccessor.array;
|
|
|
|
|
|
- materialType = this._invokeOne(function (ext) {
|
|
|
- return ext.getMaterialType && ext.getMaterialType(materialIndex);
|
|
|
- });
|
|
|
- pending.push(Promise.all(this._invokeAll(function (ext) {
|
|
|
- return ext.extendMaterialParams && ext.extendMaterialParams(materialIndex, materialParams);
|
|
|
- })));
|
|
|
- }
|
|
|
+ if ( outputAccessor.normalized ) {
|
|
|
|
|
|
- if (materialDef.doubleSided === true) {
|
|
|
- materialParams.side = THREE.DoubleSide;
|
|
|
- }
|
|
|
+ var scale = getNormalizedComponentScale( outputArray.constructor );
|
|
|
+ var scaled = new Float32Array( outputArray.length );
|
|
|
|
|
|
- var alphaMode = materialDef.alphaMode || ALPHA_MODES.OPAQUE;
|
|
|
+ for ( var j = 0, jl = outputArray.length; j < jl; j ++ ) {
|
|
|
|
|
|
- if (alphaMode === ALPHA_MODES.BLEND) {
|
|
|
- materialParams.transparent = true; // See: https://github.com/mrdoob/three.js/issues/17706
|
|
|
+ scaled[ j ] = outputArray[ j ] * scale;
|
|
|
|
|
|
- materialParams.depthWrite = false;
|
|
|
- } else {
|
|
|
- materialParams.transparent = false;
|
|
|
+ }
|
|
|
|
|
|
- if (alphaMode === ALPHA_MODES.MASK) {
|
|
|
- materialParams.alphaTest = materialDef.alphaCutoff !== undefined ? materialDef.alphaCutoff : 0.5;
|
|
|
- }
|
|
|
- }
|
|
|
+ outputArray = scaled;
|
|
|
|
|
|
- if (materialDef.normalTexture !== undefined && materialType !== THREE.MeshBasicMaterial) {
|
|
|
- pending.push(parser.assignTexture(materialParams, 'normalMap', materialDef.normalTexture)); // https://github.com/mrdoob/three.js/issues/11438#issuecomment-507003995
|
|
|
+ }
|
|
|
|
|
|
- materialParams.normalScale = new THREE.Vector2(1, -1);
|
|
|
+ for ( var j = 0, jl = targetNames.length; j < jl; j ++ ) {
|
|
|
|
|
|
- if (materialDef.normalTexture.scale !== undefined) {
|
|
|
- materialParams.normalScale.set(materialDef.normalTexture.scale, -materialDef.normalTexture.scale);
|
|
|
- }
|
|
|
- }
|
|
|
+ var track = new TypedKeyframeTrack( targetNames[ j ] + '.' + PATH_PROPERTIES[ target.path ], inputAccessor.array, outputArray, interpolation ); // Override interpolation with custom factory method.
|
|
|
|
|
|
- if (materialDef.occlusionTexture !== undefined && materialType !== THREE.MeshBasicMaterial) {
|
|
|
- pending.push(parser.assignTexture(materialParams, 'aoMap', materialDef.occlusionTexture));
|
|
|
+ if ( sampler.interpolation === 'CUBICSPLINE' ) {
|
|
|
|
|
|
- if (materialDef.occlusionTexture.strength !== undefined) {
|
|
|
- materialParams.aoMapIntensity = materialDef.occlusionTexture.strength;
|
|
|
- }
|
|
|
- }
|
|
|
+ track.createInterpolant = function InterpolantFactoryMethodGLTFCubicSpline( result ) {
|
|
|
|
|
|
- if (materialDef.emissiveFactor !== undefined && materialType !== THREE.MeshBasicMaterial) {
|
|
|
- materialParams.emissive = new THREE.Color().fromArray(materialDef.emissiveFactor);
|
|
|
- }
|
|
|
+ // A CUBICSPLINE keyframe in glTF has three output values for each input value,
|
|
|
+ // representing inTangent, splineVertex, and outTangent. As a result, track.getValueSize()
|
|
|
+ // must be divided by three to get the interpolant's sampleSize argument.
|
|
|
+ return new GLTFCubicSplineInterpolant( this.times, this.values, this.getValueSize() / 3, result );
|
|
|
|
|
|
- if (materialDef.emissiveTexture !== undefined && materialType !== THREE.MeshBasicMaterial) {
|
|
|
- pending.push(parser.assignTexture(materialParams, 'emissiveMap', materialDef.emissiveTexture));
|
|
|
- }
|
|
|
+ }; // Mark as CUBICSPLINE. `track.getInterpolation()` doesn't support custom interpolants.
|
|
|
|
|
|
- return Promise.all(pending).then(function () {
|
|
|
- var material;
|
|
|
|
|
|
- if (materialType === GLTFMeshStandardSGMaterial) {
|
|
|
- material = extensions[EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS].createMaterial(materialParams);
|
|
|
- } else {
|
|
|
- material = new materialType(materialParams);
|
|
|
- }
|
|
|
+ track.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline = true;
|
|
|
|
|
|
- if (materialDef.name) material.name = materialDef.name; // baseColorTexture, emissiveTexture, and specularGlossinessTexture use sRGB encoding.
|
|
|
+ }
|
|
|
|
|
|
- if (material.map) material.map.encoding = THREE.sRGBEncoding;
|
|
|
- if (material.emissiveMap) material.emissiveMap.encoding = THREE.sRGBEncoding;
|
|
|
- assignExtrasToUserData(material, materialDef);
|
|
|
- parser.associations.set(material, {
|
|
|
- type: 'materials',
|
|
|
- index: materialIndex
|
|
|
- });
|
|
|
- if (materialDef.extensions) addUnknownExtensionsToUserData(extensions, material, materialDef);
|
|
|
- return material;
|
|
|
- });
|
|
|
- };
|
|
|
- /** When THREE.Object3D instances are targeted by animation, they need unique names. */
|
|
|
+ tracks.push( track );
|
|
|
|
|
|
+ }
|
|
|
|
|
|
- GLTFParser.prototype.createUniqueName = function (originalName) {
|
|
|
- var sanitizedName = THREE.PropertyBinding.sanitizeNodeName(originalName || '');
|
|
|
- var name = sanitizedName;
|
|
|
+ }
|
|
|
|
|
|
- for (var i = 1; this.nodeNamesUsed[name]; ++i) {
|
|
|
- name = sanitizedName + '_' + i;
|
|
|
- }
|
|
|
+ var name = animationDef.name ? animationDef.name : 'animation_' + animationIndex;
|
|
|
+ return new THREE.AnimationClip( name, undefined, tracks );
|
|
|
|
|
|
- this.nodeNamesUsed[name] = true;
|
|
|
- return name;
|
|
|
- };
|
|
|
- /**
|
|
|
- * @param {BufferGeometry} geometry
|
|
|
- * @param {GLTF.Primitive} primitiveDef
|
|
|
- * @param {GLTFParser} parser
|
|
|
- */
|
|
|
+ } );
|
|
|
|
|
|
+ };
|
|
|
|
|
|
- function computeBounds(geometry, primitiveDef, parser) {
|
|
|
- var attributes = primitiveDef.attributes;
|
|
|
- var box = new THREE.Box3();
|
|
|
+ GLTFParser.prototype.createNodeMesh = function ( nodeIndex ) {
|
|
|
|
|
|
- if (attributes.POSITION !== undefined) {
|
|
|
- var accessor = parser.json.accessors[attributes.POSITION];
|
|
|
- var min = accessor.min;
|
|
|
- var max = accessor.max; // glTF requires 'min' and 'max', but VRM (which extends glTF) currently ignores that requirement.
|
|
|
+ var json = this.json;
|
|
|
+ var parser = this;
|
|
|
+ var nodeDef = json.nodes[ nodeIndex ];
|
|
|
+ if ( nodeDef.mesh === undefined ) return null;
|
|
|
+ return parser.getDependency( 'mesh', nodeDef.mesh ).then( function ( mesh ) {
|
|
|
|
|
|
- if (min !== undefined && max !== undefined) {
|
|
|
- box.set(new THREE.Vector3(min[0], min[1], min[2]), new THREE.Vector3(max[0], max[1], max[2]));
|
|
|
+ var node = parser._getNodeRef( parser.meshCache, nodeDef.mesh, mesh ); // if weights are provided on the node, override weights on the mesh.
|
|
|
|
|
|
- if (accessor.normalized) {
|
|
|
- var boxScale = getNormalizedComponentScale(WEBGL_COMPONENT_TYPES[accessor.componentType]);
|
|
|
- box.min.multiplyScalar(boxScale);
|
|
|
- box.max.multiplyScalar(boxScale);
|
|
|
- }
|
|
|
- } else {
|
|
|
- console.warn('THREE.GLTFLoader: Missing min/max properties for accessor POSITION.');
|
|
|
- return;
|
|
|
- }
|
|
|
- } else {
|
|
|
- return;
|
|
|
- }
|
|
|
|
|
|
- var targets = primitiveDef.targets;
|
|
|
+ if ( nodeDef.weights !== undefined ) {
|
|
|
|
|
|
- if (targets !== undefined) {
|
|
|
- var maxDisplacement = new THREE.Vector3();
|
|
|
- var vector = new THREE.Vector3();
|
|
|
+ node.traverse( function ( o ) {
|
|
|
|
|
|
- for (var i = 0, il = targets.length; i < il; i++) {
|
|
|
- var target = targets[i];
|
|
|
+ if ( ! o.isMesh ) return;
|
|
|
|
|
|
- if (target.POSITION !== undefined) {
|
|
|
- var accessor = parser.json.accessors[target.POSITION];
|
|
|
- var min = accessor.min;
|
|
|
- var max = accessor.max; // glTF requires 'min' and 'max', but VRM (which extends glTF) currently ignores that requirement.
|
|
|
+ for ( var i = 0, il = nodeDef.weights.length; i < il; i ++ ) {
|
|
|
|
|
|
- if (min !== undefined && max !== undefined) {
|
|
|
- // we need to get max of absolute components because target weight is [-1,1]
|
|
|
- vector.setX(Math.max(Math.abs(min[0]), Math.abs(max[0])));
|
|
|
- vector.setY(Math.max(Math.abs(min[1]), Math.abs(max[1])));
|
|
|
- vector.setZ(Math.max(Math.abs(min[2]), Math.abs(max[2])));
|
|
|
+ o.morphTargetInfluences[ i ] = nodeDef.weights[ i ];
|
|
|
|
|
|
- if (accessor.normalized) {
|
|
|
- var boxScale = getNormalizedComponentScale(WEBGL_COMPONENT_TYPES[accessor.componentType]);
|
|
|
- vector.multiplyScalar(boxScale);
|
|
|
- } // Note: this assumes that the sum of all weights is at most 1. This isn't quite correct - it's more conservative
|
|
|
- // to assume that each target can have a max weight of 1. However, for some use cases - notably, when morph targets
|
|
|
- // are used to implement key-frame animations and as such only two are active at a time - this results in very large
|
|
|
- // boxes. So for now we make a box that's sometimes a touch too small but is hopefully mostly of reasonable size.
|
|
|
+ }
|
|
|
|
|
|
+ } );
|
|
|
|
|
|
- maxDisplacement.max(vector);
|
|
|
- } else {
|
|
|
- console.warn('THREE.GLTFLoader: Missing min/max properties for accessor POSITION.');
|
|
|
- }
|
|
|
}
|
|
|
- } // As per comment above this box isn't conservative, but has a reasonable size for a very large number of morph targets.
|
|
|
|
|
|
+ return node;
|
|
|
|
|
|
- box.expandByVector(maxDisplacement);
|
|
|
- }
|
|
|
+ } );
|
|
|
|
|
|
- geometry.boundingBox = box;
|
|
|
- var sphere = new THREE.Sphere();
|
|
|
- box.getCenter(sphere.center);
|
|
|
- sphere.radius = box.min.distanceTo(box.max) / 2;
|
|
|
- geometry.boundingSphere = sphere;
|
|
|
- }
|
|
|
- /**
|
|
|
- * @param {BufferGeometry} geometry
|
|
|
- * @param {GLTF.Primitive} primitiveDef
|
|
|
- * @param {GLTFParser} parser
|
|
|
- * @return {Promise<BufferGeometry>}
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#nodes-and-hierarchy
|
|
|
+ * @param {number} nodeIndex
|
|
|
+ * @return {Promise<Object3D>}
|
|
|
*/
|
|
|
|
|
|
|
|
|
- function addPrimitiveAttributes(geometry, primitiveDef, parser) {
|
|
|
- var attributes = primitiveDef.attributes;
|
|
|
- var pending = [];
|
|
|
+ GLTFParser.prototype.loadNode = function ( nodeIndex ) {
|
|
|
|
|
|
- function assignAttributeAccessor(accessorIndex, attributeName) {
|
|
|
- return parser.getDependency('accessor', accessorIndex).then(function (accessor) {
|
|
|
- geometry.setAttribute(attributeName, accessor);
|
|
|
- });
|
|
|
- }
|
|
|
+ var json = this.json;
|
|
|
+ var extensions = this.extensions;
|
|
|
+ var parser = this;
|
|
|
+ var nodeDef = json.nodes[ nodeIndex ]; // reserve node's name before its dependencies, so the root has the intended name.
|
|
|
|
|
|
- for (var gltfAttributeName in attributes) {
|
|
|
- var threeAttributeName = ATTRIBUTES[gltfAttributeName] || gltfAttributeName.toLowerCase(); // Skip attributes already provided by e.g. Draco extension.
|
|
|
+ var nodeName = nodeDef.name ? parser.createUniqueName( nodeDef.name ) : '';
|
|
|
+ return function () {
|
|
|
|
|
|
- if (threeAttributeName in geometry.attributes) continue;
|
|
|
- pending.push(assignAttributeAccessor(attributes[gltfAttributeName], threeAttributeName));
|
|
|
- }
|
|
|
+ var pending = [];
|
|
|
|
|
|
- if (primitiveDef.indices !== undefined && !geometry.index) {
|
|
|
- var accessor = parser.getDependency('accessor', primitiveDef.indices).then(function (accessor) {
|
|
|
- geometry.setIndex(accessor);
|
|
|
- });
|
|
|
- pending.push(accessor);
|
|
|
- }
|
|
|
+ var meshPromise = parser._invokeOne( function ( ext ) {
|
|
|
|
|
|
- assignExtrasToUserData(geometry, primitiveDef);
|
|
|
- computeBounds(geometry, primitiveDef, parser);
|
|
|
- return Promise.all(pending).then(function () {
|
|
|
- return primitiveDef.targets !== undefined ? addMorphTargets(geometry, primitiveDef.targets, parser) : geometry;
|
|
|
- });
|
|
|
- }
|
|
|
- /**
|
|
|
- * @param {BufferGeometry} geometry
|
|
|
- * @param {Number} drawMode
|
|
|
- * @return {BufferGeometry}
|
|
|
- */
|
|
|
+ return ext.createNodeMesh && ext.createNodeMesh( nodeIndex );
|
|
|
|
|
|
+ } );
|
|
|
|
|
|
- function toTrianglesDrawMode(geometry, drawMode) {
|
|
|
- var index = geometry.getIndex(); // generate index if not present
|
|
|
+ if ( meshPromise ) {
|
|
|
|
|
|
- if (index === null) {
|
|
|
- var indices = [];
|
|
|
- var position = geometry.getAttribute('position');
|
|
|
+ pending.push( meshPromise );
|
|
|
|
|
|
- if (position !== undefined) {
|
|
|
- for (var i = 0; i < position.count; i++) {
|
|
|
- indices.push(i);
|
|
|
}
|
|
|
|
|
|
- geometry.setIndex(indices);
|
|
|
- index = geometry.getIndex();
|
|
|
- } else {
|
|
|
- console.error('THREE.GLTFLoader.toTrianglesDrawMode(): Undefined position attribute. Processing not possible.');
|
|
|
- return geometry;
|
|
|
- }
|
|
|
- } //
|
|
|
+ if ( nodeDef.camera !== undefined ) {
|
|
|
|
|
|
+ pending.push( parser.getDependency( 'camera', nodeDef.camera ).then( function ( camera ) {
|
|
|
|
|
|
- var numberOfTriangles = index.count - 2;
|
|
|
- var newIndices = [];
|
|
|
+ return parser._getNodeRef( parser.cameraCache, nodeDef.camera, camera );
|
|
|
|
|
|
- if (drawMode === THREE.TriangleFanDrawMode) {
|
|
|
- // gl.TRIANGLE_FAN
|
|
|
- for (var i = 1; i <= numberOfTriangles; i++) {
|
|
|
- newIndices.push(index.getX(0));
|
|
|
- newIndices.push(index.getX(i));
|
|
|
- newIndices.push(index.getX(i + 1));
|
|
|
- }
|
|
|
- } else {
|
|
|
- // gl.TRIANGLE_STRIP
|
|
|
- for (var i = 0; i < numberOfTriangles; i++) {
|
|
|
- if (i % 2 === 0) {
|
|
|
- newIndices.push(index.getX(i));
|
|
|
- newIndices.push(index.getX(i + 1));
|
|
|
- newIndices.push(index.getX(i + 2));
|
|
|
- } else {
|
|
|
- newIndices.push(index.getX(i + 2));
|
|
|
- newIndices.push(index.getX(i + 1));
|
|
|
- newIndices.push(index.getX(i));
|
|
|
- }
|
|
|
- }
|
|
|
- }
|
|
|
+ } ) );
|
|
|
|
|
|
- if (newIndices.length / 3 !== numberOfTriangles) {
|
|
|
- console.error('THREE.GLTFLoader.toTrianglesDrawMode(): Unable to generate correct amount of triangles.');
|
|
|
- } // build final geometry
|
|
|
+ }
|
|
|
|
|
|
+ parser._invokeAll( function ( ext ) {
|
|
|
|
|
|
- var newGeometry = geometry.clone();
|
|
|
- newGeometry.setIndex(newIndices);
|
|
|
- return newGeometry;
|
|
|
- }
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#geometry
|
|
|
- *
|
|
|
- * Creates BufferGeometries from primitives.
|
|
|
- *
|
|
|
- * @param {Array<GLTF.Primitive>} primitives
|
|
|
- * @return {Promise<Array<BufferGeometry>>}
|
|
|
- */
|
|
|
+ return ext.createNodeAttachment && ext.createNodeAttachment( nodeIndex );
|
|
|
|
|
|
+ } ).forEach( function ( promise ) {
|
|
|
|
|
|
- GLTFParser.prototype.loadGeometries = function (primitives) {
|
|
|
- var parser = this;
|
|
|
- var extensions = this.extensions;
|
|
|
- var cache = this.primitiveCache;
|
|
|
+ pending.push( promise );
|
|
|
|
|
|
- function createDracoPrimitive(primitive) {
|
|
|
- return extensions[EXTENSIONS.KHR_DRACO_MESH_COMPRESSION].decodePrimitive(primitive, parser).then(function (geometry) {
|
|
|
- return addPrimitiveAttributes(geometry, primitive, parser);
|
|
|
- });
|
|
|
- }
|
|
|
+ } );
|
|
|
|
|
|
- var pending = [];
|
|
|
+ return Promise.all( pending );
|
|
|
|
|
|
- for (var i = 0, il = primitives.length; i < il; i++) {
|
|
|
- var primitive = primitives[i];
|
|
|
- var cacheKey = createPrimitiveKey(primitive); // See if we've already created this geometry
|
|
|
+ }().then( function ( objects ) {
|
|
|
|
|
|
- var cached = cache[cacheKey];
|
|
|
+ var node; // .isBone isn't in glTF spec. See ._markDefs
|
|
|
|
|
|
- if (cached) {
|
|
|
- // Use the cached geometry if it exists
|
|
|
- pending.push(cached.promise);
|
|
|
- } else {
|
|
|
- var geometryPromise;
|
|
|
+ if ( nodeDef.isBone === true ) {
|
|
|
|
|
|
- if (primitive.extensions && primitive.extensions[EXTENSIONS.KHR_DRACO_MESH_COMPRESSION]) {
|
|
|
- // Use DRACO geometry if available
|
|
|
- geometryPromise = createDracoPrimitive(primitive);
|
|
|
- } else {
|
|
|
- // Otherwise create a new geometry
|
|
|
- geometryPromise = addPrimitiveAttributes(new THREE.BufferGeometry(), primitive, parser);
|
|
|
- } // Cache this geometry
|
|
|
+ node = new THREE.Bone();
|
|
|
|
|
|
+ } else if ( objects.length > 1 ) {
|
|
|
|
|
|
- cache[cacheKey] = {
|
|
|
- primitive: primitive,
|
|
|
- promise: geometryPromise
|
|
|
- };
|
|
|
- pending.push(geometryPromise);
|
|
|
- }
|
|
|
- }
|
|
|
+ node = new THREE.Group();
|
|
|
|
|
|
- return Promise.all(pending);
|
|
|
- };
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#meshes
|
|
|
- * @param {number} meshIndex
|
|
|
- * @return {Promise<Group|Mesh|SkinnedMesh>}
|
|
|
- */
|
|
|
+ } else if ( objects.length === 1 ) {
|
|
|
|
|
|
+ node = objects[ 0 ];
|
|
|
|
|
|
- GLTFParser.prototype.loadMesh = function (meshIndex) {
|
|
|
- var parser = this;
|
|
|
- var json = this.json;
|
|
|
- var extensions = this.extensions;
|
|
|
- var meshDef = json.meshes[meshIndex];
|
|
|
- var primitives = meshDef.primitives;
|
|
|
- var pending = [];
|
|
|
+ } else {
|
|
|
|
|
|
- for (var i = 0, il = primitives.length; i < il; i++) {
|
|
|
- var material = primitives[i].material === undefined ? createDefaultMaterial(this.cache) : this.getDependency('material', primitives[i].material);
|
|
|
- pending.push(material);
|
|
|
- }
|
|
|
+ node = new THREE.Object3D();
|
|
|
|
|
|
- pending.push(parser.loadGeometries(primitives));
|
|
|
- return Promise.all(pending).then(function (results) {
|
|
|
- var materials = results.slice(0, results.length - 1);
|
|
|
- var geometries = results[results.length - 1];
|
|
|
- var meshes = [];
|
|
|
+ }
|
|
|
|
|
|
- for (var i = 0, il = geometries.length; i < il; i++) {
|
|
|
- var geometry = geometries[i];
|
|
|
- var primitive = primitives[i]; // 1. create THREE.Mesh
|
|
|
+ if ( node !== objects[ 0 ] ) {
|
|
|
|
|
|
- var mesh;
|
|
|
- var material = materials[i];
|
|
|
+ for ( var i = 0, il = objects.length; i < il; i ++ ) {
|
|
|
|
|
|
- if (primitive.mode === WEBGL_CONSTANTS.TRIANGLES || primitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP || primitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN || primitive.mode === undefined) {
|
|
|
- // .isSkinnedMesh isn't in glTF spec. See ._markDefs()
|
|
|
- mesh = meshDef.isSkinnedMesh === true ? new THREE.SkinnedMesh(geometry, material) : new THREE.Mesh(geometry, material);
|
|
|
+ node.add( objects[ i ] );
|
|
|
|
|
|
- if (mesh.isSkinnedMesh === true && !mesh.geometry.attributes.skinWeight.normalized) {
|
|
|
- // we normalize floating point skin weight array to fix malformed assets (see #15319)
|
|
|
- // it's important to skip this for non-float32 data since normalizeSkinWeights assumes non-normalized inputs
|
|
|
- mesh.normalizeSkinWeights();
|
|
|
}
|
|
|
|
|
|
- if (primitive.mode === WEBGL_CONSTANTS.TRIANGLE_STRIP) {
|
|
|
- mesh.geometry = toTrianglesDrawMode(mesh.geometry, THREE.TriangleStripDrawMode);
|
|
|
- } else if (primitive.mode === WEBGL_CONSTANTS.TRIANGLE_FAN) {
|
|
|
- mesh.geometry = toTrianglesDrawMode(mesh.geometry, THREE.TriangleFanDrawMode);
|
|
|
- }
|
|
|
- } else if (primitive.mode === WEBGL_CONSTANTS.LINES) {
|
|
|
- mesh = new THREE.LineSegments(geometry, material);
|
|
|
- } else if (primitive.mode === WEBGL_CONSTANTS.LINE_STRIP) {
|
|
|
- mesh = new THREE.Line(geometry, material);
|
|
|
- } else if (primitive.mode === WEBGL_CONSTANTS.LINE_LOOP) {
|
|
|
- mesh = new THREE.LineLoop(geometry, material);
|
|
|
- } else if (primitive.mode === WEBGL_CONSTANTS.POINTS) {
|
|
|
- mesh = new THREE.Points(geometry, material);
|
|
|
- } else {
|
|
|
- throw new Error('THREE.GLTFLoader: Primitive mode unsupported: ' + primitive.mode);
|
|
|
}
|
|
|
|
|
|
- if (Object.keys(mesh.geometry.morphAttributes).length > 0) {
|
|
|
- updateMorphTargets(mesh, meshDef);
|
|
|
- }
|
|
|
+ if ( nodeDef.name ) {
|
|
|
|
|
|
- mesh.name = parser.createUniqueName(meshDef.name || 'mesh_' + meshIndex);
|
|
|
- assignExtrasToUserData(mesh, meshDef);
|
|
|
- if (primitive.extensions) addUnknownExtensionsToUserData(extensions, mesh, primitive);
|
|
|
- parser.assignFinalMaterial(mesh);
|
|
|
- meshes.push(mesh);
|
|
|
- }
|
|
|
+ node.userData.name = nodeDef.name;
|
|
|
+ node.name = nodeName;
|
|
|
|
|
|
- if (meshes.length === 1) {
|
|
|
- return meshes[0];
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- var group = new THREE.Group();
|
|
|
+ assignExtrasToUserData( node, nodeDef );
|
|
|
+ if ( nodeDef.extensions ) addUnknownExtensionsToUserData( extensions, node, nodeDef );
|
|
|
|
|
|
- for (var i = 0, il = meshes.length; i < il; i++) {
|
|
|
- group.add(meshes[i]);
|
|
|
- }
|
|
|
+ if ( nodeDef.matrix !== undefined ) {
|
|
|
|
|
|
- return group;
|
|
|
- });
|
|
|
- };
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#cameras
|
|
|
- * @param {number} cameraIndex
|
|
|
- * @return {Promise<THREE.Camera>}
|
|
|
- */
|
|
|
+ var matrix = new THREE.Matrix4();
|
|
|
+ matrix.fromArray( nodeDef.matrix );
|
|
|
+ node.applyMatrix4( matrix );
|
|
|
|
|
|
+ } else {
|
|
|
|
|
|
- GLTFParser.prototype.loadCamera = function (cameraIndex) {
|
|
|
- var camera;
|
|
|
- var cameraDef = this.json.cameras[cameraIndex];
|
|
|
- var params = cameraDef[cameraDef.type];
|
|
|
+ if ( nodeDef.translation !== undefined ) {
|
|
|
|
|
|
- if (!params) {
|
|
|
- console.warn('THREE.GLTFLoader: Missing camera parameters.');
|
|
|
- return;
|
|
|
- }
|
|
|
+ node.position.fromArray( nodeDef.translation );
|
|
|
|
|
|
- if (cameraDef.type === 'perspective') {
|
|
|
- camera = new THREE.PerspectiveCamera(THREE.MathUtils.radToDeg(params.yfov), params.aspectRatio || 1, params.znear || 1, params.zfar || 2e6);
|
|
|
- } else if (cameraDef.type === 'orthographic') {
|
|
|
- camera = new THREE.OrthographicCamera(-params.xmag, params.xmag, params.ymag, -params.ymag, params.znear, params.zfar);
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- if (cameraDef.name) camera.name = this.createUniqueName(cameraDef.name);
|
|
|
- assignExtrasToUserData(camera, cameraDef);
|
|
|
- return Promise.resolve(camera);
|
|
|
- };
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#skins
|
|
|
- * @param {number} skinIndex
|
|
|
- * @return {Promise<Object>}
|
|
|
- */
|
|
|
+ if ( nodeDef.rotation !== undefined ) {
|
|
|
|
|
|
+ node.quaternion.fromArray( nodeDef.rotation );
|
|
|
|
|
|
- GLTFParser.prototype.loadSkin = function (skinIndex) {
|
|
|
- var skinDef = this.json.skins[skinIndex];
|
|
|
- var skinEntry = {
|
|
|
- joints: skinDef.joints
|
|
|
- };
|
|
|
+ }
|
|
|
|
|
|
- if (skinDef.inverseBindMatrices === undefined) {
|
|
|
- return Promise.resolve(skinEntry);
|
|
|
- }
|
|
|
+ if ( nodeDef.scale !== undefined ) {
|
|
|
|
|
|
- return this.getDependency('accessor', skinDef.inverseBindMatrices).then(function (accessor) {
|
|
|
- skinEntry.inverseBindMatrices = accessor;
|
|
|
- return skinEntry;
|
|
|
- });
|
|
|
- };
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#animations
|
|
|
- * @param {number} animationIndex
|
|
|
- * @return {Promise<AnimationClip>}
|
|
|
- */
|
|
|
+ node.scale.fromArray( nodeDef.scale );
|
|
|
|
|
|
+ }
|
|
|
|
|
|
- GLTFParser.prototype.loadAnimation = function (animationIndex) {
|
|
|
- var json = this.json;
|
|
|
- var animationDef = json.animations[animationIndex];
|
|
|
- var pendingNodes = [];
|
|
|
- var pendingInputAccessors = [];
|
|
|
- var pendingOutputAccessors = [];
|
|
|
- var pendingSamplers = [];
|
|
|
- var pendingTargets = [];
|
|
|
-
|
|
|
- for (var i = 0, il = animationDef.channels.length; i < il; i++) {
|
|
|
- var channel = animationDef.channels[i];
|
|
|
- var sampler = animationDef.samplers[channel.sampler];
|
|
|
- var target = channel.target;
|
|
|
- var name = target.node !== undefined ? target.node : target.id; // NOTE: target.id is deprecated.
|
|
|
-
|
|
|
- var input = animationDef.parameters !== undefined ? animationDef.parameters[sampler.input] : sampler.input;
|
|
|
- var output = animationDef.parameters !== undefined ? animationDef.parameters[sampler.output] : sampler.output;
|
|
|
- pendingNodes.push(this.getDependency('node', name));
|
|
|
- pendingInputAccessors.push(this.getDependency('accessor', input));
|
|
|
- pendingOutputAccessors.push(this.getDependency('accessor', output));
|
|
|
- pendingSamplers.push(sampler);
|
|
|
- pendingTargets.push(target);
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- return Promise.all([Promise.all(pendingNodes), Promise.all(pendingInputAccessors), Promise.all(pendingOutputAccessors), Promise.all(pendingSamplers), Promise.all(pendingTargets)]).then(function (dependencies) {
|
|
|
- var nodes = dependencies[0];
|
|
|
- var inputAccessors = dependencies[1];
|
|
|
- var outputAccessors = dependencies[2];
|
|
|
- var samplers = dependencies[3];
|
|
|
- var targets = dependencies[4];
|
|
|
- var tracks = [];
|
|
|
-
|
|
|
- for (var i = 0, il = nodes.length; i < il; i++) {
|
|
|
- var node = nodes[i];
|
|
|
- var inputAccessor = inputAccessors[i];
|
|
|
- var outputAccessor = outputAccessors[i];
|
|
|
- var sampler = samplers[i];
|
|
|
- var target = targets[i];
|
|
|
- if (node === undefined) continue;
|
|
|
- node.updateMatrix();
|
|
|
- node.matrixAutoUpdate = true;
|
|
|
- var TypedKeyframeTrack;
|
|
|
-
|
|
|
- switch (PATH_PROPERTIES[target.path]) {
|
|
|
- case PATH_PROPERTIES.weights:
|
|
|
- TypedKeyframeTrack = THREE.NumberKeyframeTrack;
|
|
|
- break;
|
|
|
+ parser.associations.set( node, {
|
|
|
+ type: 'nodes',
|
|
|
+ index: nodeIndex
|
|
|
+ } );
|
|
|
+ return node;
|
|
|
|
|
|
- case PATH_PROPERTIES.rotation:
|
|
|
- TypedKeyframeTrack = THREE.QuaternionKeyframeTrack;
|
|
|
- break;
|
|
|
+ } );
|
|
|
|
|
|
- case PATH_PROPERTIES.position:
|
|
|
- case PATH_PROPERTIES.scale:
|
|
|
- default:
|
|
|
- TypedKeyframeTrack = THREE.VectorKeyframeTrack;
|
|
|
- break;
|
|
|
- }
|
|
|
+ };
|
|
|
+ /**
|
|
|
+ * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#scenes
|
|
|
+ * @param {number} sceneIndex
|
|
|
+ * @return {Promise<Group>}
|
|
|
+ */
|
|
|
|
|
|
- var targetName = node.name ? node.name : node.uuid;
|
|
|
- var interpolation = sampler.interpolation !== undefined ? INTERPOLATION[sampler.interpolation] : THREE.InterpolateLinear;
|
|
|
- var targetNames = [];
|
|
|
|
|
|
- if (PATH_PROPERTIES[target.path] === PATH_PROPERTIES.weights) {
|
|
|
- // Node may be a THREE.Group (glTF mesh with several primitives) or a THREE.Mesh.
|
|
|
- node.traverse(function (object) {
|
|
|
- if (object.isMesh === true && object.morphTargetInfluences) {
|
|
|
- targetNames.push(object.name ? object.name : object.uuid);
|
|
|
- }
|
|
|
- });
|
|
|
- } else {
|
|
|
- targetNames.push(targetName);
|
|
|
- }
|
|
|
+ GLTFParser.prototype.loadScene = function () {
|
|
|
|
|
|
- var outputArray = outputAccessor.array;
|
|
|
+ // scene node hierachy builder
|
|
|
+ function buildNodeHierachy( nodeId, parentObject, json, parser ) {
|
|
|
|
|
|
- if (outputAccessor.normalized) {
|
|
|
- var scale = getNormalizedComponentScale(outputArray.constructor);
|
|
|
- var scaled = new Float32Array(outputArray.length);
|
|
|
+ var nodeDef = json.nodes[ nodeId ];
|
|
|
+ return parser.getDependency( 'node', nodeId ).then( function ( node ) {
|
|
|
|
|
|
- for (var j = 0, jl = outputArray.length; j < jl; j++) {
|
|
|
- scaled[j] = outputArray[j] * scale;
|
|
|
- }
|
|
|
+ if ( nodeDef.skin === undefined ) return node; // build skeleton here as well
|
|
|
|
|
|
- outputArray = scaled;
|
|
|
- }
|
|
|
+ var skinEntry;
|
|
|
+ return parser.getDependency( 'skin', nodeDef.skin ).then( function ( skin ) {
|
|
|
|
|
|
- for (var j = 0, jl = targetNames.length; j < jl; j++) {
|
|
|
- var track = new TypedKeyframeTrack(targetNames[j] + '.' + PATH_PROPERTIES[target.path], inputAccessor.array, outputArray, interpolation); // Override interpolation with custom factory method.
|
|
|
+ skinEntry = skin;
|
|
|
+ var pendingJoints = [];
|
|
|
|
|
|
- if (sampler.interpolation === 'CUBICSPLINE') {
|
|
|
- track.createInterpolant = function InterpolantFactoryMethodGLTFCubicSpline(result) {
|
|
|
- // A CUBICSPLINE keyframe in glTF has three output values for each input value,
|
|
|
- // representing inTangent, splineVertex, and outTangent. As a result, track.getValueSize()
|
|
|
- // must be divided by three to get the interpolant's sampleSize argument.
|
|
|
- return new GLTFCubicSplineInterpolant(this.times, this.values, this.getValueSize() / 3, result);
|
|
|
- }; // Mark as CUBICSPLINE. `track.getInterpolation()` doesn't support custom interpolants.
|
|
|
+ for ( var i = 0, il = skinEntry.joints.length; i < il; i ++ ) {
|
|
|
|
|
|
+ pendingJoints.push( parser.getDependency( 'node', skinEntry.joints[ i ] ) );
|
|
|
|
|
|
- track.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline = true;
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- tracks.push(track);
|
|
|
- }
|
|
|
- }
|
|
|
+ return Promise.all( pendingJoints );
|
|
|
|
|
|
- var name = animationDef.name ? animationDef.name : 'animation_' + animationIndex;
|
|
|
- return new THREE.AnimationClip(name, undefined, tracks);
|
|
|
- });
|
|
|
- };
|
|
|
+ } ).then( function ( jointNodes ) {
|
|
|
|
|
|
- GLTFParser.prototype.createNodeMesh = function (nodeIndex) {
|
|
|
- var json = this.json;
|
|
|
- var parser = this;
|
|
|
- var nodeDef = json.nodes[nodeIndex];
|
|
|
- if (nodeDef.mesh === undefined) return null;
|
|
|
- return parser.getDependency('mesh', nodeDef.mesh).then(function (mesh) {
|
|
|
- var node = parser._getNodeRef(parser.meshCache, nodeDef.mesh, mesh); // if weights are provided on the node, override weights on the mesh.
|
|
|
+ node.traverse( function ( mesh ) {
|
|
|
|
|
|
+ if ( ! mesh.isMesh ) return;
|
|
|
+ var bones = [];
|
|
|
+ var boneInverses = [];
|
|
|
|
|
|
- if (nodeDef.weights !== undefined) {
|
|
|
- node.traverse(function (o) {
|
|
|
- if (!o.isMesh) return;
|
|
|
+ for ( var j = 0, jl = jointNodes.length; j < jl; j ++ ) {
|
|
|
|
|
|
- for (var i = 0, il = nodeDef.weights.length; i < il; i++) {
|
|
|
- o.morphTargetInfluences[i] = nodeDef.weights[i];
|
|
|
- }
|
|
|
- });
|
|
|
- }
|
|
|
+ var jointNode = jointNodes[ j ];
|
|
|
|
|
|
- return node;
|
|
|
- });
|
|
|
- };
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#nodes-and-hierarchy
|
|
|
- * @param {number} nodeIndex
|
|
|
- * @return {Promise<Object3D>}
|
|
|
- */
|
|
|
+ if ( jointNode ) {
|
|
|
|
|
|
+ bones.push( jointNode );
|
|
|
+ var mat = new THREE.Matrix4();
|
|
|
|
|
|
- GLTFParser.prototype.loadNode = function (nodeIndex) {
|
|
|
- var json = this.json;
|
|
|
- var extensions = this.extensions;
|
|
|
- var parser = this;
|
|
|
- var nodeDef = json.nodes[nodeIndex]; // reserve node's name before its dependencies, so the root has the intended name.
|
|
|
+ if ( skinEntry.inverseBindMatrices !== undefined ) {
|
|
|
|
|
|
- var nodeName = nodeDef.name ? parser.createUniqueName(nodeDef.name) : '';
|
|
|
- return function () {
|
|
|
- var pending = [];
|
|
|
+ mat.fromArray( skinEntry.inverseBindMatrices.array, j * 16 );
|
|
|
|
|
|
- var meshPromise = parser._invokeOne(function (ext) {
|
|
|
- return ext.createNodeMesh && ext.createNodeMesh(nodeIndex);
|
|
|
- });
|
|
|
+ }
|
|
|
|
|
|
- if (meshPromise) {
|
|
|
- pending.push(meshPromise);
|
|
|
- }
|
|
|
+ boneInverses.push( mat );
|
|
|
|
|
|
- if (nodeDef.camera !== undefined) {
|
|
|
- pending.push(parser.getDependency('camera', nodeDef.camera).then(function (camera) {
|
|
|
- return parser._getNodeRef(parser.cameraCache, nodeDef.camera, camera);
|
|
|
- }));
|
|
|
- }
|
|
|
+ } else {
|
|
|
|
|
|
- parser._invokeAll(function (ext) {
|
|
|
- return ext.createNodeAttachment && ext.createNodeAttachment(nodeIndex);
|
|
|
- }).forEach(function (promise) {
|
|
|
- pending.push(promise);
|
|
|
- });
|
|
|
+ console.warn( 'THREE.GLTFLoader: Joint "%s" could not be found.', skinEntry.joints[ j ] );
|
|
|
|
|
|
- return Promise.all(pending);
|
|
|
- }().then(function (objects) {
|
|
|
- var node; // .isBone isn't in glTF spec. See ._markDefs
|
|
|
+ }
|
|
|
|
|
|
- if (nodeDef.isBone === true) {
|
|
|
- node = new THREE.Bone();
|
|
|
- } else if (objects.length > 1) {
|
|
|
- node = new THREE.Group();
|
|
|
- } else if (objects.length === 1) {
|
|
|
- node = objects[0];
|
|
|
- } else {
|
|
|
- node = new THREE.Object3D();
|
|
|
- }
|
|
|
+ }
|
|
|
|
|
|
- if (node !== objects[0]) {
|
|
|
- for (var i = 0, il = objects.length; i < il; i++) {
|
|
|
- node.add(objects[i]);
|
|
|
- }
|
|
|
- }
|
|
|
+ mesh.bind( new THREE.Skeleton( bones, boneInverses ), mesh.matrixWorld );
|
|
|
|
|
|
- if (nodeDef.name) {
|
|
|
- node.userData.name = nodeDef.name;
|
|
|
- node.name = nodeName;
|
|
|
- }
|
|
|
+ } );
|
|
|
+ return node;
|
|
|
|
|
|
- assignExtrasToUserData(node, nodeDef);
|
|
|
- if (nodeDef.extensions) addUnknownExtensionsToUserData(extensions, node, nodeDef);
|
|
|
+ } );
|
|
|
|
|
|
- if (nodeDef.matrix !== undefined) {
|
|
|
- var matrix = new THREE.Matrix4();
|
|
|
- matrix.fromArray(nodeDef.matrix);
|
|
|
- node.applyMatrix4(matrix);
|
|
|
- } else {
|
|
|
- if (nodeDef.translation !== undefined) {
|
|
|
- node.position.fromArray(nodeDef.translation);
|
|
|
- }
|
|
|
+ } ).then( function ( node ) {
|
|
|
|
|
|
- if (nodeDef.rotation !== undefined) {
|
|
|
- node.quaternion.fromArray(nodeDef.rotation);
|
|
|
- }
|
|
|
+ // build node hierachy
|
|
|
+ parentObject.add( node );
|
|
|
+ var pending = [];
|
|
|
|
|
|
- if (nodeDef.scale !== undefined) {
|
|
|
- node.scale.fromArray(nodeDef.scale);
|
|
|
- }
|
|
|
- }
|
|
|
+ if ( nodeDef.children ) {
|
|
|
|
|
|
- parser.associations.set(node, {
|
|
|
- type: 'nodes',
|
|
|
- index: nodeIndex
|
|
|
- });
|
|
|
- return node;
|
|
|
- });
|
|
|
- };
|
|
|
- /**
|
|
|
- * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#scenes
|
|
|
- * @param {number} sceneIndex
|
|
|
- * @return {Promise<Group>}
|
|
|
- */
|
|
|
+ var children = nodeDef.children;
|
|
|
|
|
|
+ for ( var i = 0, il = children.length; i < il; i ++ ) {
|
|
|
|
|
|
- GLTFParser.prototype.loadScene = function () {
|
|
|
- // scene node hierachy builder
|
|
|
- function buildNodeHierachy(nodeId, parentObject, json, parser) {
|
|
|
- var nodeDef = json.nodes[nodeId];
|
|
|
- return parser.getDependency('node', nodeId).then(function (node) {
|
|
|
- if (nodeDef.skin === undefined) return node; // build skeleton here as well
|
|
|
+ var child = children[ i ];
|
|
|
+ pending.push( buildNodeHierachy( child, node, json, parser ) );
|
|
|
|
|
|
- var skinEntry;
|
|
|
- return parser.getDependency('skin', nodeDef.skin).then(function (skin) {
|
|
|
- skinEntry = skin;
|
|
|
- var pendingJoints = [];
|
|
|
+ }
|
|
|
|
|
|
- for (var i = 0, il = skinEntry.joints.length; i < il; i++) {
|
|
|
- pendingJoints.push(parser.getDependency('node', skinEntry.joints[i]));
|
|
|
}
|
|
|
|
|
|
- return Promise.all(pendingJoints);
|
|
|
- }).then(function (jointNodes) {
|
|
|
- node.traverse(function (mesh) {
|
|
|
- if (!mesh.isMesh) return;
|
|
|
- var bones = [];
|
|
|
- var boneInverses = [];
|
|
|
+ return Promise.all( pending );
|
|
|
|
|
|
- for (var j = 0, jl = jointNodes.length; j < jl; j++) {
|
|
|
- var jointNode = jointNodes[j];
|
|
|
+ } );
|
|
|
|
|
|
- if (jointNode) {
|
|
|
- bones.push(jointNode);
|
|
|
- var mat = new THREE.Matrix4();
|
|
|
+ }
|
|
|
|
|
|
- if (skinEntry.inverseBindMatrices !== undefined) {
|
|
|
- mat.fromArray(skinEntry.inverseBindMatrices.array, j * 16);
|
|
|
- }
|
|
|
+ return function loadScene( sceneIndex ) {
|
|
|
|
|
|
- boneInverses.push(mat);
|
|
|
- } else {
|
|
|
- console.warn('THREE.GLTFLoader: Joint "%s" could not be found.', skinEntry.joints[j]);
|
|
|
- }
|
|
|
- }
|
|
|
+ var json = this.json;
|
|
|
+ var extensions = this.extensions;
|
|
|
+ var sceneDef = this.json.scenes[ sceneIndex ];
|
|
|
+ var parser = this; // THREE.Loader returns THREE.Group, not Scene.
|
|
|
+ // See: https://github.com/mrdoob/three.js/issues/18342#issuecomment-578981172
|
|
|
|
|
|
- mesh.bind(new THREE.Skeleton(bones, boneInverses), mesh.matrixWorld);
|
|
|
- });
|
|
|
- return node;
|
|
|
- });
|
|
|
- }).then(function (node) {
|
|
|
- // build node hierachy
|
|
|
- parentObject.add(node);
|
|
|
+ var scene = new THREE.Group();
|
|
|
+ if ( sceneDef.name ) scene.name = parser.createUniqueName( sceneDef.name );
|
|
|
+ assignExtrasToUserData( scene, sceneDef );
|
|
|
+ if ( sceneDef.extensions ) addUnknownExtensionsToUserData( extensions, scene, sceneDef );
|
|
|
+ var nodeIds = sceneDef.nodes || [];
|
|
|
var pending = [];
|
|
|
|
|
|
- if (nodeDef.children) {
|
|
|
- var children = nodeDef.children;
|
|
|
+ for ( var i = 0, il = nodeIds.length; i < il; i ++ ) {
|
|
|
+
|
|
|
+ pending.push( buildNodeHierachy( nodeIds[ i ], scene, json, parser ) );
|
|
|
|
|
|
- for (var i = 0, il = children.length; i < il; i++) {
|
|
|
- var child = children[i];
|
|
|
- pending.push(buildNodeHierachy(child, node, json, parser));
|
|
|
- }
|
|
|
}
|
|
|
|
|
|
- return Promise.all(pending);
|
|
|
- });
|
|
|
- }
|
|
|
+ return Promise.all( pending ).then( function () {
|
|
|
|
|
|
- return function loadScene(sceneIndex) {
|
|
|
- var json = this.json;
|
|
|
- var extensions = this.extensions;
|
|
|
- var sceneDef = this.json.scenes[sceneIndex];
|
|
|
- var parser = this; // THREE.Loader returns THREE.Group, not Scene.
|
|
|
- // See: https://github.com/mrdoob/three.js/issues/18342#issuecomment-578981172
|
|
|
-
|
|
|
- var scene = new THREE.Group();
|
|
|
- if (sceneDef.name) scene.name = parser.createUniqueName(sceneDef.name);
|
|
|
- assignExtrasToUserData(scene, sceneDef);
|
|
|
- if (sceneDef.extensions) addUnknownExtensionsToUserData(extensions, scene, sceneDef);
|
|
|
- var nodeIds = sceneDef.nodes || [];
|
|
|
- var pending = [];
|
|
|
+ return scene;
|
|
|
|
|
|
- for (var i = 0, il = nodeIds.length; i < il; i++) {
|
|
|
- pending.push(buildNodeHierachy(nodeIds[i], scene, json, parser));
|
|
|
- }
|
|
|
+ } );
|
|
|
+
|
|
|
+ };
|
|
|
+
|
|
|
+ }();
|
|
|
+
|
|
|
+ return GLTFLoader;
|
|
|
|
|
|
- return Promise.all(pending).then(function () {
|
|
|
- return scene;
|
|
|
- });
|
|
|
- };
|
|
|
}();
|
|
|
|
|
|
- return GLTFLoader;
|
|
|
-}();
|
|
|
+ THREE.GLTFLoader = GLTFLoader;
|
|
|
|
|
|
-THREE.GLTFLoader = GLTFLoader;
|
|
|
} )();
|
Michael Herzog