diff --git a/examples/js/loaders/GLTFLoader.js b/examples/js/loaders/GLTFLoader.js index f40ba038199ec1..49dc1b5355f4fa 100644 --- a/examples/js/loaders/GLTFLoader.js +++ b/examples/js/loaders/GLTFLoader.js @@ -1,563 +1,426 @@ ( function () { +var GLTFLoader = function () { + function GLTFLoader(manager) { + THREE.Loader.call(this, manager); + this.dracoLoader = null; + this.ktx2Loader = null; + this.meshoptDecoder = null; + this.pluginCallbacks = []; + this.register(function (parser) { + return new GLTFMaterialsClearcoatExtension(parser); + }); + this.register(function (parser) { + return new GLTFTextureBasisUExtension(parser); + }); + this.register(function (parser) { + return new GLTFTextureWebPExtension(parser); + }); + this.register(function (parser) { + return new GLTFMaterialsTransmissionExtension(parser); + }); + this.register(function (parser) { + return new GLTFLightsExtension(parser); + }); + this.register(function (parser) { + return new GLTFMeshoptCompression(parser); + }); + } + + GLTFLoader.prototype = Object.assign(Object.create(THREE.Loader.prototype), { + constructor: GLTFLoader, + load: function (url, onLoad, onProgress, onError) { + var scope = this; + var resourcePath; + + if (this.resourcePath !== '') { + resourcePath = this.resourcePath; + } else if (this.path !== '') { + resourcePath = this.path; + } else { + resourcePath = THREE.LoaderUtils.extractUrlBase(url); + } // Tells the LoadingManager to track an extra item, which resolves after + // the model is fully loaded. This means the count of items loaded will + // be incorrect, but ensures manager.onLoad() does not fire early. - var GLTFLoader = function () { - - function GLTFLoader( manager ) { - - THREE.Loader.call( this, manager ); - this.dracoLoader = null; - this.ktx2Loader = null; - this.meshoptDecoder = null; - this.pluginCallbacks = []; - this.register( function ( parser ) { - - return new GLTFMaterialsClearcoatExtension( parser ); - - } ); - this.register( function ( parser ) { - - return new GLTFTextureBasisUExtension( parser ); - - } ); - this.register( function ( parser ) { - - return new GLTFTextureWebPExtension( parser ); - - } ); - this.register( function ( parser ) { - - return new GLTFMaterialsTransmissionExtension( parser ); - - } ); - this.register( function ( parser ) { - - return new GLTFLightsExtension( parser ); - - } ); - this.register( function ( parser ) { - - return new GLTFMeshoptCompression( parser ); - - } ); - - } - - GLTFLoader.prototype = Object.assign( Object.create( THREE.Loader.prototype ), { - constructor: GLTFLoader, - load: function ( url, onLoad, onProgress, onError ) { - - var scope = this; - var resourcePath; - - if ( this.resourcePath !== '' ) { - - resourcePath = this.resourcePath; - - } else if ( this.path !== '' ) { - resourcePath = this.path; + this.manager.itemStart(url); + var _onError = function (e) { + if (onError) { + onError(e); } else { - - resourcePath = THREE.LoaderUtils.extractUrlBase( url ); - - } // Tells the LoadingManager to track an extra item, which resolves after - // the model is fully loaded. This means the count of items loaded will - // be incorrect, but ensures manager.onLoad() does not fire early. - - - this.manager.itemStart( url ); - - var _onError = function ( e ) { - - if ( onError ) { - - onError( e ); - - } else { - - console.error( e ); - - } - - scope.manager.itemError( url ); - scope.manager.itemEnd( url ); - - }; - - var loader = new THREE.FileLoader( this.manager ); - loader.setPath( this.path ); - loader.setResponseType( 'arraybuffer' ); - loader.setRequestHeader( this.requestHeader ); - loader.setWithCredentials( this.withCredentials ); - loader.load( url, function ( data ) { - - try { - - scope.parse( data, resourcePath, function ( gltf ) { - - onLoad( gltf ); - scope.manager.itemEnd( url ); - - }, _onError ); - - } catch ( e ) { - - _onError( e ); - - } - - }, onProgress, _onError ); - - }, - setDRACOLoader: function ( dracoLoader ) { - - this.dracoLoader = dracoLoader; - return this; - - }, - setDDSLoader: function () { - - throw new Error( 'THREE.GLTFLoader: "MSFT_texture_dds" no longer supported. Please update to "KHR_texture_basisu".' ); - - }, - setKTX2Loader: function ( ktx2Loader ) { - - this.ktx2Loader = ktx2Loader; - return this; - - }, - setMeshoptDecoder: function ( meshoptDecoder ) { - - this.meshoptDecoder = meshoptDecoder; - return this; - - }, - register: function ( callback ) { - - if ( this.pluginCallbacks.indexOf( callback ) === - 1 ) { - - this.pluginCallbacks.push( callback ); - + console.error(e); } - return this; - - }, - unregister: function ( callback ) { - - if ( this.pluginCallbacks.indexOf( callback ) !== - 1 ) { - - this.pluginCallbacks.splice( this.pluginCallbacks.indexOf( callback ), 1 ); + scope.manager.itemError(url); + scope.manager.itemEnd(url); + }; + var loader = new THREE.FileLoader(this.manager); + loader.setPath(this.path); + loader.setResponseType('arraybuffer'); + loader.setRequestHeader(this.requestHeader); + loader.setWithCredentials(this.withCredentials); + loader.load(url, function (data) { + try { + scope.parse(data, resourcePath, function (gltf) { + onLoad(gltf); + scope.manager.itemEnd(url); + }, _onError); + } catch (e) { + _onError(e); } + }, onProgress, _onError); + }, + setDRACOLoader: function (dracoLoader) { + this.dracoLoader = dracoLoader; + return this; + }, + setDDSLoader: function () { + throw new Error('THREE.GLTFLoader: "MSFT_texture_dds" no longer supported. Please update to "KHR_texture_basisu".'); + }, + setKTX2Loader: function (ktx2Loader) { + this.ktx2Loader = ktx2Loader; + return this; + }, + setMeshoptDecoder: function (meshoptDecoder) { + this.meshoptDecoder = meshoptDecoder; + return this; + }, + register: function (callback) { + if (this.pluginCallbacks.indexOf(callback) === -1) { + this.pluginCallbacks.push(callback); + } - return this; - - }, - parse: function ( data, path, onLoad, onError ) { - - var content; - var extensions = {}; - var plugins = {}; - - if ( typeof data === 'string' ) { - - content = data; - - } else { - - var magic = THREE.LoaderUtils.decodeText( new Uint8Array( data, 0, 4 ) ); - - if ( magic === BINARY_EXTENSION_HEADER_MAGIC ) { - - try { - - extensions[ EXTENSIONS.KHR_BINARY_GLTF ] = new GLTFBinaryExtension( data ); - - } catch ( error ) { - - if ( onError ) onError( error ); - return; - - } - - content = extensions[ EXTENSIONS.KHR_BINARY_GLTF ].content; - - } else { + return this; + }, + unregister: function (callback) { + if (this.pluginCallbacks.indexOf(callback) !== -1) { + this.pluginCallbacks.splice(this.pluginCallbacks.indexOf(callback), 1); + } - content = THREE.LoaderUtils.decodeText( new Uint8Array( data ) ); + return this; + }, + parse: function (data, path, onLoad, onError) { + var content; + var extensions = {}; + var plugins = {}; + + if (typeof data === 'string') { + content = data; + } else { + var magic = THREE.LoaderUtils.decodeText(new Uint8Array(data, 0, 4)); + if (magic === BINARY_EXTENSION_HEADER_MAGIC) { + try { + extensions[EXTENSIONS.KHR_BINARY_GLTF] = new GLTFBinaryExtension(data); + } catch (error) { + if (onError) onError(error); + return; } + content = extensions[EXTENSIONS.KHR_BINARY_GLTF].content; + } else { + content = THREE.LoaderUtils.decodeText(new Uint8Array(data)); } + } - var json = JSON.parse( content ); - - if ( json.asset === undefined || json.asset.version[ 0 ] < 2 ) { - - if ( onError ) onError( new Error( 'THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported.' ) ); - return; - - } - - var parser = new GLTFParser( json, { - path: path || this.resourcePath || '', - crossOrigin: this.crossOrigin, - requestHeader: this.requestHeader, - manager: this.manager, - ktx2Loader: this.ktx2Loader, - meshoptDecoder: this.meshoptDecoder - } ); - parser.fileLoader.setRequestHeader( this.requestHeader ); - - for ( var i = 0; i < this.pluginCallbacks.length; i ++ ) { - - var plugin = this.pluginCallbacks[ i ]( parser ); - plugins[ plugin.name ] = plugin; // Workaround to avoid determining as unknown extension - // in addUnknownExtensionsToUserData(). - // Remove this workaround if we move all the existing - // extension handlers to plugin system - - extensions[ plugin.name ] = true; - - } - - if ( json.extensionsUsed ) { - - for ( var i = 0; i < json.extensionsUsed.length; ++ i ) { + var json = JSON.parse(content); - var extensionName = json.extensionsUsed[ i ]; - var extensionsRequired = json.extensionsRequired || []; + if (json.asset === undefined || json.asset.version[0] < 2) { + if (onError) onError(new Error('THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported.')); + return; + } - switch ( extensionName ) { + var parser = new GLTFParser(json, { + path: path || this.resourcePath || '', + crossOrigin: this.crossOrigin, + requestHeader: this.requestHeader, + manager: this.manager, + ktx2Loader: this.ktx2Loader, + meshoptDecoder: this.meshoptDecoder + }); + parser.fileLoader.setRequestHeader(this.requestHeader); - case EXTENSIONS.KHR_MATERIALS_UNLIT: - extensions[ extensionName ] = new GLTFMaterialsUnlitExtension(); - break; + for (var i = 0; i < this.pluginCallbacks.length; i++) { + var plugin = this.pluginCallbacks[i](parser); + plugins[plugin.name] = plugin; // Workaround to avoid determining as unknown extension + // in addUnknownExtensionsToUserData(). + // Remove this workaround if we move all the existing + // extension handlers to plugin system - case EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS: - extensions[ extensionName ] = new GLTFMaterialsPbrSpecularGlossinessExtension(); - break; + extensions[plugin.name] = true; + } - case EXTENSIONS.KHR_DRACO_MESH_COMPRESSION: - extensions[ extensionName ] = new GLTFDracoMeshCompressionExtension( json, this.dracoLoader ); - break; + if (json.extensionsUsed) { + for (var i = 0; i < json.extensionsUsed.length; ++i) { + var extensionName = json.extensionsUsed[i]; + var extensionsRequired = json.extensionsRequired || []; - case EXTENSIONS.KHR_TEXTURE_TRANSFORM: - extensions[ extensionName ] = new GLTFTextureTransformExtension(); - break; + switch (extensionName) { + case EXTENSIONS.KHR_MATERIALS_UNLIT: + extensions[extensionName] = new GLTFMaterialsUnlitExtension(); + break; - case EXTENSIONS.KHR_MESH_QUANTIZATION: - extensions[ extensionName ] = new GLTFMeshQuantizationExtension(); - break; + case EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS: + extensions[extensionName] = new GLTFMaterialsPbrSpecularGlossinessExtension(); + break; - default: - if ( extensionsRequired.indexOf( extensionName ) >= 0 && plugins[ extensionName ] === undefined ) { + case EXTENSIONS.KHR_DRACO_MESH_COMPRESSION: + extensions[extensionName] = new GLTFDracoMeshCompressionExtension(json, this.dracoLoader); + break; - console.warn( 'THREE.GLTFLoader: Unknown extension "' + extensionName + '".' ); + case EXTENSIONS.KHR_TEXTURE_TRANSFORM: + extensions[extensionName] = new GLTFTextureTransformExtension(); + break; - } + case EXTENSIONS.KHR_MESH_QUANTIZATION: + extensions[extensionName] = new GLTFMeshQuantizationExtension(); + break; - } + default: + if (extensionsRequired.indexOf(extensionName) >= 0 && plugins[extensionName] === undefined) { + console.warn('THREE.GLTFLoader: Unknown extension "' + extensionName + '".'); + } } - } - - 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 = {}; - - } - }; + parser.setExtensions(extensions); + parser.setPlugins(plugins); + parser.parse(onLoad, onError); } - /*********************************/ - - /********** 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' + }); + /* 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' + }; + /** * 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 - - 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 ) { - - 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; + function GLTFLightsExtension(parser) { + this.parser = parser; + this.name = EXTENSIONS.KHR_LIGHTS_PUNCTUAL; // THREE.Object3D instance caches + this.cache = { + refs: {}, + uses: {} }; + } - 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._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) { + 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); + }); + }; + /** * 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; - - } - - 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; - - if ( metallicRoughness ) { - - if ( Array.isArray( metallicRoughness.baseColorFactor ) ) { - - var array = metallicRoughness.baseColorFactor; - materialParams.color.fromArray( array ); - materialParams.opacity = array[ 3 ]; - - } - - if ( metallicRoughness.baseColorTexture !== undefined ) { + function GLTFMaterialsUnlitExtension() { + this.name = EXTENSIONS.KHR_MATERIALS_UNLIT; + } - pending.push( parser.assignTexture( materialParams, 'map', metallicRoughness.baseColorTexture ) ); + 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; + if (metallicRoughness) { + if (Array.isArray(metallicRoughness.baseColorFactor)) { + var array = metallicRoughness.baseColorFactor; + materialParams.color.fromArray(array); + materialParams.opacity = array[3]; } - return Promise.all( pending ); + if (metallicRoughness.baseColorTexture !== undefined) { + pending.push(parser.assignTexture(materialParams, 'map', metallicRoughness.baseColorTexture)); + } + } - }; - /** + 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; - - } - - 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; - - }; - - 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 ]; - - 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; + function GLTFMaterialsClearcoatExtension(parser) { + this.parser = parser; + this.name = EXTENSIONS.KHR_MATERIALS_CLEARCOAT; + } - } + 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; + }; - if ( extension.clearcoatRoughnessTexture !== undefined ) { + GLTFMaterialsClearcoatExtension.prototype.extendMaterialParams = function (materialIndex, materialParams) { + var parser = this.parser; + var materialDef = parser.json.materials[materialIndex]; - pending.push( parser.assignTexture( materialParams, 'clearcoatRoughnessMap', extension.clearcoatRoughnessTexture ) ); + if (!materialDef.extensions || !materialDef.extensions[this.name]) { + return Promise.resolve(); + } - } + var pending = []; + var extension = materialDef.extensions[this.name]; - if ( extension.clearcoatNormalTexture !== undefined ) { + if (extension.clearcoatFactor !== undefined) { + materialParams.clearcoat = extension.clearcoatFactor; + } - pending.push( parser.assignTexture( materialParams, 'clearcoatNormalMap', extension.clearcoatNormalTexture ) ); + if (extension.clearcoatTexture !== undefined) { + pending.push(parser.assignTexture(materialParams, 'clearcoatMap', extension.clearcoatTexture)); + } - if ( extension.clearcoatNormalTexture.scale !== undefined ) { + if (extension.clearcoatRoughnessFactor !== undefined) { + materialParams.clearcoatRoughness = extension.clearcoatRoughnessFactor; + } - var scale = extension.clearcoatNormalTexture.scale; // https://github.com/mrdoob/three.js/issues/11438#issuecomment-507003995 + if (extension.clearcoatRoughnessTexture !== undefined) { + pending.push(parser.assignTexture(materialParams, 'clearcoatRoughnessMap', extension.clearcoatRoughnessTexture)); + } - materialParams.clearcoatNormalScale = new THREE.Vector2( scale, - scale ); + 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 ); - - }; - /** + return Promise.all(pending); + }; + /** * Transmission Materials Extension * * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_materials_transmission @@ -565,2994 +428,2326 @@ */ - function GLTFMaterialsTransmissionExtension( parser ) { + function GLTFMaterialsTransmissionExtension(parser) { + this.parser = parser; + this.name = EXTENSIONS.KHR_MATERIALS_TRANSMISSION; + } - 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.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 ) { + GLTFMaterialsTransmissionExtension.prototype.extendMaterialParams = function (materialIndex, materialParams) { + var parser = this.parser; + var materialDef = parser.json.materials[materialIndex]; - var parser = this.parser; - var materialDef = parser.json.materials[ materialIndex ]; - - if ( ! materialDef.extensions || ! materialDef.extensions[ this.name ] ) { + if (!materialDef.extensions || !materialDef.extensions[this.name]) { + return Promise.resolve(); + } - return Promise.resolve(); + var pending = []; + var extension = materialDef.extensions[this.name]; - } + if (extension.transmissionFactor !== undefined) { + materialParams.transmission = extension.transmissionFactor; + } - var pending = []; - var extension = materialDef.extensions[ this.name ]; + if (extension.transmissionTexture !== undefined) { + pending.push(parser.assignTexture(materialParams, 'transmissionMap', extension.transmissionTexture)); + } - if ( extension.transmissionFactor !== undefined ) { + return Promise.all(pending); + }; + /** + * BasisU Texture Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_texture_basisu + */ - 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 ', specularMapParsFragmentChunk ).replace( '#include ', glossinessMapParsFragmentChunk ).replace( '#include ', specularMapFragmentChunk ).replace( '#include ', glossinessMapFragmentChunk ).replace( '#include ', 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} targets - * @param {GLTFParser} parser - * @return {Promise} - */ - - - 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; - - } - - }; - - 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} - */ - - - 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>} - */ - - - 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} - */ - - - 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} - */ - - - 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} - */ - - - 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} - */ - - - 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} - */ - - - 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; + function GLTFTextureBasisUExtension(parser) { + this.parser = parser; + this.name = EXTENSIONS.KHR_TEXTURE_BASISU; + } - if ( alphaMode === ALPHA_MODES.BLEND ) { + GLTFTextureBasisUExtension.prototype.loadTexture = function (textureIndex) { + var parser = this.parser; + var json = parser.json; + var textureDef = json.textures[textureIndex]; - materialParams.transparent = true; // See: https://github.com/mrdoob/three.js/issues/17706 + if (!textureDef.extensions || !textureDef.extensions[this.name]) { + return null; + } - materialParams.depthWrite = false; + 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; + } + } - materialParams.transparent = false; - - if ( alphaMode === ALPHA_MODES.MASK ) { + return parser.loadTextureImage(textureIndex, source, loader); + }; + /** + * WebP Texture Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Vendor/EXT_texture_webp + */ - materialParams.alphaTest = materialDef.alphaCutoff !== undefined ? materialDef.alphaCutoff : 0.5; - } + 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 ( materialDef.normalTexture !== undefined && materialType !== THREE.MeshBasicMaterial ) { + if (!textureDef.extensions || !textureDef.extensions[name]) { + return null; + } - pending.push( parser.assignTexture( materialParams, 'normalMap', materialDef.normalTexture ) ); // https://github.com/mrdoob/three.js/issues/11438#issuecomment-507003995 + var extension = textureDef.extensions[name]; + var source = json.images[extension.source]; + var loader = parser.textureLoader; - materialParams.normalScale = new THREE.Vector2( 1, - 1 ); + if (source.uri) { + var handler = parser.options.manager.getHandler(source.uri); + if (handler !== null) loader = handler; + } - if ( materialDef.normalTexture.scale !== undefined ) { + return this.detectSupport().then(function (isSupported) { + if (isSupported) return parser.loadTextureImage(textureIndex, source, loader); - materialParams.normalScale.set( materialDef.normalTexture.scale, - materialDef.normalTexture.scale ); + 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); + }); + }; - if ( materialDef.occlusionTexture !== undefined && materialType !== THREE.MeshBasicMaterial ) { + 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. - pending.push( parser.assignTexture( materialParams, 'aoMap', materialDef.occlusionTexture ) ); + image.src = 'data:image/webp;base64,UklGRiIAAABXRUJQVlA4IBYAAAAwAQCdASoBAAEADsD+JaQAA3AAAAAA'; - if ( materialDef.occlusionTexture.strength !== undefined ) { + image.onload = image.onerror = function () { + resolve(image.height === 1); + }; + }); + } - materialParams.aoMapIntensity = materialDef.occlusionTexture.strength; + 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; + } - if ( materialDef.emissiveFactor !== undefined && materialType !== THREE.MeshBasicMaterial ) { + GLTFMeshoptCompression.prototype.loadBufferView = function (index) { + var json = this.parser.json; + var bufferView = json.bufferViews[index]; - materialParams.emissive = new THREE.Color().fromArray( materialDef.emissiveFactor ); + 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; + } } - if ( materialDef.emissiveTexture !== undefined && materialType !== THREE.MeshBasicMaterial ) { - - pending.push( parser.assignTexture( materialParams, 'emissiveMap', materialDef.emissiveTexture ) ); + 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.'); + } - return Promise.all( pending ).then( function () { + var chunkContentsLength = this.header.length - BINARY_EXTENSION_HEADER_LENGTH; + var chunkView = new DataView(data, BINARY_EXTENSION_HEADER_LENGTH); + var chunkIndex = 0; - var material; + while (chunkIndex < chunkContentsLength) { + var chunkLength = chunkView.getUint32(chunkIndex, true); + chunkIndex += 4; + var chunkType = chunkView.getUint32(chunkIndex, true); + chunkIndex += 4; - if ( materialType === GLTFMeshStandardSGMaterial ) { + 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. - material = extensions[ EXTENSIONS.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS ].createMaterial( materialParams ); - } else { + chunkIndex += chunkLength; + } - material = new materialType( materialParams ); + 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 + */ - } - if ( materialDef.name ) material.name = materialDef.name; // baseColorTexture, emissiveTexture, and specularGlossinessTexture use sRGB encoding. + function GLTFDracoMeshCompressionExtension(json, dracoLoader) { + if (!dracoLoader) { + throw new Error('THREE.GLTFLoader: No DRACOLoader instance provided.'); + } - 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; + 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(); - }; - /** When THREE.Object3D instances are targeted by animation, they need unique names. */ + 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; + } - GLTFParser.prototype.createUniqueName = function ( originalName ) { + resolve(geometry); + }, threeAttributeMap, attributeTypeMap); + }); + }); + }; + /** + * Texture Transform Extension + * + * Specification: https://github.com/KhronosGroup/glTF/tree/master/extensions/2.0/Khronos/KHR_texture_transform + */ - var sanitizedName = THREE.PropertyBinding.sanitizeNodeName( originalName || '' ); - var name = sanitizedName; - for ( var i = 1; this.nodeNamesUsed[ name ]; ++ i ) { + function GLTFTextureTransformExtension() { + this.name = EXTENSIONS.KHR_TEXTURE_TRANSFORM; + } - name = sanitizedName + '_' + i; + GLTFTextureTransformExtension.prototype.extendTexture = function (texture, transform) { + texture = texture.clone(); - } + if (transform.offset !== undefined) { + texture.offset.fromArray(transform.offset); + } - this.nodeNamesUsed[ name ] = true; - return name; + if (transform.rotation !== undefined) { + texture.rotation = transform.rotation; + } - }; - /** - * @param {BufferGeometry} geometry - * @param {GLTF.Primitive} primitiveDef - * @param {GLTFParser} parser - */ + 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 computeBounds( 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 box = new THREE.Box3(); + /** + * A sub class of StandardMaterial with some of the functionality + * changed via the `onBeforeCompile` callback + * @pailhead + */ - 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. + function GLTFMeshStandardSGMaterial(params) { + THREE.MeshStandardMaterial.call(this); + this.isGLTFSpecularGlossinessMaterial = true; //various chunks that need replacing - if ( min !== undefined && max !== undefined ) { + 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; - box.set( new THREE.Vector3( min[ 0 ], min[ 1 ], min[ 2 ] ), new THREE.Vector3( max[ 0 ], max[ 1 ], max[ 2 ] ) ); + this.onBeforeCompile = function (shader) { + for (var uniformName in uniforms) { + shader.uniforms[uniformName] = uniforms[uniformName]; + } - if ( accessor.normalized ) { + shader.fragmentShader = shader.fragmentShader.replace('uniform float roughness;', 'uniform vec3 specular;').replace('uniform float metalness;', 'uniform float glossiness;').replace('#include ', specularMapParsFragmentChunk).replace('#include ', glossinessMapParsFragmentChunk).replace('#include ', specularMapFragmentChunk).replace('#include ', glossinessMapFragmentChunk).replace('#include ', lightPhysicalFragmentChunk); + }; - var boxScale = getNormalizedComponentScale( WEBGL_COMPONENT_TYPES[ accessor.componentType ] ); - box.min.multiplyScalar( boxScale ); - box.max.multiplyScalar( boxScale ); + 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; - } else { + 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 = []; - console.warn( 'THREE.GLTFLoader: Missing min/max properties for accessor POSITION.' ); - return; + 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)); } - } else { + 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); - return; + 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 + */ - var targets = primitiveDef.targets; - if ( targets !== undefined ) { + function GLTFMeshQuantizationExtension() { + this.name = EXTENSIONS.KHR_MESH_QUANTIZATION; + } + /*********************************/ - var maxDisplacement = new THREE.Vector3(); - var vector = new THREE.Vector3(); + /********** INTERPOLATION ********/ - for ( var i = 0, il = targets.length; i < il; i ++ ) { + /*********************************/ + // Spline Interpolation + // Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#appendix-c-spline-interpolation - var target = targets[ i ]; - if ( target.POSITION !== undefined ) { + function GLTFCubicSplineInterpolant(parameterPositions, sampleValues, sampleSize, resultBuffer) { + THREE.Interpolant.call(this, parameterPositions, sampleValues, sampleSize, resultBuffer); + } - 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. + GLTFCubicSplineInterpolant.prototype = Object.create(THREE.Interpolant.prototype); + GLTFCubicSplineInterpolant.prototype.constructor = GLTFCubicSplineInterpolant; - if ( min !== undefined && max !== undefined ) { + 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; - // 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 ] ) ) ); + for (var i = 0; i !== valueSize; i++) { + result[i] = values[offset + i]; + } - if ( accessor.normalized ) { + return result; + }; - var boxScale = getNormalizedComponentScale( WEBGL_COMPONENT_TYPES[ accessor.componentType ] ); - vector.multiplyScalar( boxScale ); + GLTFCubicSplineInterpolant.prototype.beforeStart_ = GLTFCubicSplineInterpolant.prototype.copySampleValue_; + GLTFCubicSplineInterpolant.prototype.afterEnd_ = GLTFCubicSplineInterpolant.prototype.copySampleValue_; - } // 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. + 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 - maxDisplacement.max( vector ); + 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.warn( 'THREE.GLTFLoader: Missing min/max properties for accessor POSITION.' ); + 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 + */ - } // As per comment above this box isn't conservative, but has a reasonable size for a very large number of morph targets. + 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 + }); + } - box.expandByVector( maxDisplacement ); + 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 + */ - geometry.boundingBox = box; - var sphere = new THREE.Sphere(); - box.getCenter( sphere.center ); - sphere.radius = box.min.distanceTo( box.max ) / 2; - geometry.boundingSphere = sphere; + 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 {GLTF.Primitive} primitiveDef + * @param {Array} targets * @param {GLTFParser} parser * @return {Promise} */ - function addPrimitiveAttributes( geometry, primitiveDef, parser ) { - - var attributes = primitiveDef.attributes; - var pending = []; - - function assignAttributeAccessor( accessorIndex, attributeName ) { + function addMorphTargets(geometry, targets, parser) { + var hasMorphPosition = false; + var hasMorphNormal = false; - return parser.getDependency( 'accessor', accessorIndex ).then( function ( accessor ) { + 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; + } - geometry.setAttribute( attributeName, accessor ); + 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); } - for ( var gltfAttributeName in attributes ) { - - var threeAttributeName = ATTRIBUTES[ gltfAttributeName ] || gltfAttributeName.toLowerCase(); // Skip attributes already provided by e.g. Draco extension. - - if ( threeAttributeName in geometry.attributes ) continue; - pending.push( assignAttributeAccessor( attributes[ gltfAttributeName ], threeAttributeName ) ); - + if (hasMorphNormal) { + var pendingAccessor = target.NORMAL !== undefined ? parser.getDependency('accessor', target.NORMAL) : geometry.attributes.normal; + pendingNormalAccessors.push(pendingAccessor); } + } - if ( primitiveDef.indices !== undefined && ! geometry.index ) { - - var accessor = parser.getDependency( 'accessor', primitiveDef.indices ).then( function ( accessor ) { + 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 + */ - geometry.setIndex( accessor ); - } ); - pending.push( accessor ); + 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. - assignExtrasToUserData( geometry, primitiveDef ); - computeBounds( geometry, primitiveDef, parser ); - return Promise.all( pending ).then( function () { - return primitiveDef.targets !== undefined ? addMorphTargets( geometry, primitiveDef.targets, parser ) : geometry; + 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.'); + } } - /** - * @param {BufferGeometry} geometry - * @param {Number} drawMode - * @return {BufferGeometry} - */ + } + function createPrimitiveKey(primitiveDef) { + var dracoExtension = primitiveDef.extensions && primitiveDef.extensions[EXTENSIONS.KHR_DRACO_MESH_COMPRESSION]; + var geometryKey; - function toTrianglesDrawMode( geometry, drawMode ) { + if (dracoExtension) { + geometryKey = 'draco:' + dracoExtension.bufferView + ':' + dracoExtension.indices + ':' + createAttributesKey(dracoExtension.attributes); + } else { + geometryKey = primitiveDef.indices + ':' + createAttributesKey(primitiveDef.attributes) + ':' + primitiveDef.mode; + } - var index = geometry.getIndex(); // generate index if not present + return geometryKey; + } - if ( index === null ) { + function createAttributesKey(attributes) { + var attributesKey = ''; + var keys = Object.keys(attributes).sort(); - var indices = []; - var position = geometry.getAttribute( 'position' ); + for (var i = 0, il = keys.length; i < il; i++) { + attributesKey += keys[i] + ':' + attributes[keys[i]] + ';'; + } - if ( position !== undefined ) { + return attributesKey; + } - for ( var i = 0; i < position.count; i ++ ) { + 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; - indices.push( i ); + case Uint8Array: + return 1 / 255; - } + case Int16Array: + return 1 / 32767; - geometry.setIndex( indices ); - index = geometry.getIndex(); + case Uint16Array: + return 1 / 65535; - } else { + default: + throw new Error('THREE.GLTFLoader: Unsupported normalized accessor component type.'); + } + } + /* GLTF PARSER */ - console.error( 'THREE.GLTFLoader.toTrianglesDrawMode(): Undefined position attribute. Processing not possible.' ); - return geometry; - } + 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 - var numberOfTriangles = index.count - 2; - var newIndices = []; + this.primitiveCache = {}; // THREE.Object3D instance caches - if ( drawMode === THREE.TriangleFanDrawMode ) { + 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); + } - // gl.TRIANGLE_FAN - for ( var i = 1; i <= numberOfTriangles; i ++ ) { + this.textureLoader.setCrossOrigin(this.options.crossOrigin); + this.textureLoader.setRequestHeader(this.options.requestHeader); + this.fileLoader = new THREE.FileLoader(this.options.manager); + this.fileLoader.setResponseType('arraybuffer'); - newIndices.push( index.getX( 0 ) ); - newIndices.push( index.getX( i ) ); - newIndices.push( index.getX( i + 1 ) ); + 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. + */ - } - } else { + 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. - // gl.TRIANGLE_STRIP - for ( var i = 0; i < numberOfTriangles; i ++ ) { + for (var skinIndex = 0, skinLength = skinDefs.length; skinIndex < skinLength; skinIndex++) { + var joints = skinDefs[skinIndex].joints; - if ( i % 2 === 0 ) { + 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. - newIndices.push( index.getX( i ) ); - newIndices.push( index.getX( i + 1 ) ); - newIndices.push( index.getX( i + 2 ) ); - } else { + for (var nodeIndex = 0, nodeLength = nodeDefs.length; nodeIndex < nodeLength; nodeIndex++) { + var nodeDef = nodeDefs[nodeIndex]; - newIndices.push( index.getX( i + 2 ) ); - newIndices.push( index.getX( i + 1 ) ); - newIndices.push( index.getX( i ) ); + 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 ( 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; - + if (nodeDef.camera !== undefined) { + this._addNodeRef(this.cameraCache, nodeDef.camera); + } } - /** - * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#geometry - * - * Creates BufferGeometries from primitives. + }; + /** + * 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. * - * @param {Array} primitives - * @return {Promise>} + * Example: CesiumMilkTruck sample model reuses "Wheel" meshes. */ - GLTFParser.prototype.loadGeometries = function ( primitives ) { + GLTFParser.prototype._addNodeRef = function (cache, index) { + if (index === undefined) return; - var parser = this; - var extensions = this.extensions; - var cache = this.primitiveCache; + if (cache.refs[index] === undefined) { + cache.refs[index] = cache.uses[index] = 0; + } - function createDracoPrimitive( primitive ) { + cache.refs[index]++; + }; + /** Returns a reference to a shared resource, cloning it if necessary. */ - return extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ].decodePrimitive( primitive, parser ).then( function ( geometry ) { - return addPrimitiveAttributes( geometry, primitive, parser ); + 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; + } - var pending = []; + return null; + }; - for ( var i = 0, il = primitives.length; i < il; i ++ ) { + GLTFParser.prototype._invokeAll = function (func) { + var extensions = Object.values(this.plugins); + extensions.unshift(this); + var pending = []; - var primitive = primitives[ i ]; - var cacheKey = createPrimitiveKey( primitive ); // See if we've already created this geometry + 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} + */ - var cached = cache[ cacheKey ]; - if ( cached ) { + GLTFParser.prototype.getDependency = function (type, index) { + var cacheKey = type + ':' + index; + var dependency = this.cache.get(cacheKey); - // Use the cached geometry if it exists - pending.push( cached.promise ); + if (!dependency) { + switch (type) { + case 'scene': + dependency = this.loadScene(index); + break; - } else { + case 'node': + dependency = this.loadNode(index); + break; - var geometryPromise; + case 'mesh': + dependency = this._invokeOne(function (ext) { + return ext.loadMesh && ext.loadMesh(index); + }); + break; - if ( primitive.extensions && primitive.extensions[ EXTENSIONS.KHR_DRACO_MESH_COMPRESSION ] ) { + case 'accessor': + dependency = this.loadAccessor(index); + break; - // Use DRACO geometry if available - geometryPromise = createDracoPrimitive( primitive ); + case 'bufferView': + dependency = this._invokeOne(function (ext) { + return ext.loadBufferView && ext.loadBufferView(index); + }); + break; - } else { + case 'buffer': + dependency = this.loadBuffer(index); + break; - // Otherwise create a new geometry - geometryPromise = addPrimitiveAttributes( new THREE.BufferGeometry(), primitive, parser ); + case 'material': + dependency = this._invokeOne(function (ext) { + return ext.loadMaterial && ext.loadMaterial(index); + }); + break; - } // Cache this geometry + case 'texture': + dependency = this._invokeOne(function (ext) { + return ext.loadTexture && ext.loadTexture(index); + }); + break; + case 'skin': + dependency = this.loadSkin(index); + break; - cache[ cacheKey ] = { - primitive: primitive, - promise: geometryPromise - }; - pending.push( geometryPromise ); + case 'animation': + dependency = this.loadAnimation(index); + break; - } + case 'camera': + dependency = this.loadCamera(index); + break; + default: + throw new Error('Unknown type: ' + type); } - return Promise.all( pending ); + this.cache.add(cacheKey, dependency); + } - }; - /** - * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#meshes - * @param {number} meshIndex - * @return {Promise} + return dependency; + }; + /** + * Requests all dependencies of the specified type asynchronously, with caching. + * @param {string} type + * @return {Promise>} */ - GLTFParser.prototype.loadMesh = function ( meshIndex ) { + GLTFParser.prototype.getDependencies = function (type) { + var dependencies = this.cache.get(type); + if (!dependencies) { 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 ++ ) { - - var material = primitives[ i ].material === undefined ? createDefaultMaterial( this.cache ) : this.getDependency( 'material', primitives[ i ].material ); - pending.push( material ); - - } - - 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 - - var mesh; - var material = materials[ 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 ); - - 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 ); + 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); + } - } else if ( primitive.mode === WEBGL_CONSTANTS.LINE_STRIP ) { + return dependencies; + }; + /** + * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#buffers-and-buffer-views + * @param {number} bufferIndex + * @return {Promise} + */ - mesh = new THREE.Line( geometry, material ); - } else if ( primitive.mode === WEBGL_CONSTANTS.LINE_LOOP ) { + GLTFParser.prototype.loadBuffer = function (bufferIndex) { + var bufferDef = this.json.buffers[bufferIndex]; + var loader = this.fileLoader; - mesh = new THREE.LineLoop( geometry, material ); + 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. - } else if ( primitive.mode === WEBGL_CONSTANTS.POINTS ) { - mesh = new THREE.Points( geometry, material ); + if (bufferDef.uri === undefined && bufferIndex === 0) { + return Promise.resolve(this.extensions[EXTENSIONS.KHR_BINARY_GLTF].body); + } - } else { + 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} + */ - throw new Error( 'THREE.GLTFLoader: Primitive mode unsupported: ' + primitive.mode ); - } + 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} + */ - if ( Object.keys( mesh.geometry.morphAttributes ).length > 0 ) { - updateMorphTargets( mesh, meshDef ); + 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); + } - mesh.name = parser.createUniqueName( meshDef.name || 'mesh_' + meshIndex ); - assignExtrasToUserData( mesh, meshDef ); - if ( primitive.extensions ) addUnknownExtensionsToUserData( extensions, mesh, primitive ); - parser.assignFinalMaterial( mesh ); - meshes.push( mesh ); + var pendingBufferViews = []; - } + if (accessorDef.bufferView !== undefined) { + pendingBufferViews.push(this.getDependency('bufferView', accessorDef.bufferView)); + } else { + pendingBufferViews.push(null); + } - if ( meshes.length === 1 ) { + if (accessorDef.sparse !== undefined) { + pendingBufferViews.push(this.getDependency('bufferView', accessorDef.sparse.indices.bufferView)); + pendingBufferViews.push(this.getDependency('bufferView', accessorDef.sparse.values.bufferView)); + } - return meshes[ 0 ]; + 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); } - var group = new THREE.Group(); + bufferAttribute = new THREE.BufferAttribute(array, itemSize, normalized); + } // https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#sparse-accessors - for ( var i = 0, il = meshes.length; i < il; i ++ ) { - group.add( meshes[ i ] ); + 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); } - return group; - - } ); + 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.'); + } + } - }; - /** - * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#cameras - * @param {number} cameraIndex - * @return {Promise} + return bufferAttribute; + }); + }; + /** + * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#textures + * @param {number} textureIndex + * @return {Promise} */ - GLTFParser.prototype.loadCamera = function ( cameraIndex ) { - - var camera; - var cameraDef = this.json.cameras[ cameraIndex ]; - var params = cameraDef[ cameraDef.type ]; + 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 ( ! params ) { + if (source.uri) { + var handler = options.manager.getHandler(source.uri); + if (handler !== null) loader = handler; + } - console.warn( 'THREE.GLTFLoader: Missing camera parameters.' ); - return; + 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'); + } - if ( cameraDef.type === 'perspective' ) { + return Promise.resolve(sourceURI).then(function (sourceURI) { + return new Promise(function (resolve, reject) { + var onLoad = resolve; - camera = new THREE.PerspectiveCamera( THREE.MathUtils.radToDeg( params.yfov ), params.aspectRatio || 1, params.znear || 1, params.zfar || 2e6 ); + if (loader.isImageBitmapLoader === true) { + onLoad = function (imageBitmap) { + resolve(new THREE.CanvasTexture(imageBitmap)); + }; + } - } else if ( cameraDef.type === 'orthographic' ) { + 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} + */ - camera = new THREE.OrthographicCamera( - params.xmag, params.xmag, params.ymag, - params.ymag, params.znear, params.zfar ); + 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 ( 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} - */ - + if (parser.extensions[EXTENSIONS.KHR_TEXTURE_TRANSFORM]) { + var transform = mapDef.extensions !== undefined ? mapDef.extensions[EXTENSIONS.KHR_TEXTURE_TRANSFORM] : undefined; - GLTFParser.prototype.loadSkin = function ( skinIndex ) { + if (transform) { + var gltfReference = parser.associations.get(texture); + texture = parser.extensions[EXTENSIONS.KHR_TEXTURE_TRANSFORM].extendTexture(texture, transform); + parser.associations.set(texture, gltfReference); + } + } - var skinDef = this.json.skins[ skinIndex ]; - var skinEntry = { - joints: skinDef.joints - }; + 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. + */ - if ( skinDef.inverseBindMatrices === undefined ) { - return Promise.resolve( skinEntry ); + 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)); } - return this.getDependency( 'accessor', skinDef.inverseBindMatrices ).then( function ( accessor ) { + material = cachedMaterial; + } // workarounds for mesh and geometry - skinEntry.inverseBindMatrices = accessor; - return skinEntry; - } ); + if (material.aoMap && geometry.attributes.uv2 === undefined && geometry.attributes.uv !== undefined) { + geometry.setAttribute('uv2', geometry.attributes.uv); + } - }; - /** - * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#animations - * @param {number} animationIndex - * @return {Promise} - */ + mesh.material = material; + }; + 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} + */ - 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 ); + 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]; } - 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 = []; + if (metallicRoughness.baseColorTexture !== undefined) { + pending.push(parser.assignTexture(materialParams, 'map', metallicRoughness.baseColorTexture)); + } - for ( var i = 0, il = nodes.length; i < il; i ++ ) { + materialParams.metalness = metallicRoughness.metallicFactor !== undefined ? metallicRoughness.metallicFactor : 1.0; + materialParams.roughness = metallicRoughness.roughnessFactor !== undefined ? metallicRoughness.roughnessFactor : 1.0; - 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 (metallicRoughness.metallicRoughnessTexture !== undefined) { + pending.push(parser.assignTexture(materialParams, 'metalnessMap', metallicRoughness.metallicRoughnessTexture)); + pending.push(parser.assignTexture(materialParams, 'roughnessMap', metallicRoughness.metallicRoughnessTexture)); + } - switch ( PATH_PROPERTIES[ target.path ] ) { + 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); + }))); + } - case PATH_PROPERTIES.weights: - TypedKeyframeTrack = THREE.NumberKeyframeTrack; - break; + if (materialDef.doubleSided === true) { + materialParams.side = THREE.DoubleSide; + } - case PATH_PROPERTIES.rotation: - TypedKeyframeTrack = THREE.QuaternionKeyframeTrack; - break; + var alphaMode = materialDef.alphaMode || ALPHA_MODES.OPAQUE; - case PATH_PROPERTIES.position: - case PATH_PROPERTIES.scale: - default: - TypedKeyframeTrack = THREE.VectorKeyframeTrack; - break; + if (alphaMode === ALPHA_MODES.BLEND) { + materialParams.transparent = true; // See: https://github.com/mrdoob/three.js/issues/17706 - } + materialParams.depthWrite = false; + } else { + materialParams.transparent = false; - var targetName = node.name ? node.name : node.uuid; - var interpolation = sampler.interpolation !== undefined ? INTERPOLATION[ sampler.interpolation ] : THREE.InterpolateLinear; - var targetNames = []; + if (alphaMode === ALPHA_MODES.MASK) { + materialParams.alphaTest = materialDef.alphaCutoff !== undefined ? materialDef.alphaCutoff : 0.5; + } + } - if ( PATH_PROPERTIES[ target.path ] === PATH_PROPERTIES.weights ) { + 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 - // Node may be a THREE.Group (glTF mesh with several primitives) or a THREE.Mesh. - node.traverse( function ( object ) { + materialParams.normalScale = new THREE.Vector2(1, -1); - if ( object.isMesh === true && object.morphTargetInfluences ) { + if (materialDef.normalTexture.scale !== undefined) { + materialParams.normalScale.set(materialDef.normalTexture.scale, -materialDef.normalTexture.scale); + } + } - targetNames.push( object.name ? object.name : object.uuid ); + 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); + } - } else { + if (materialDef.emissiveTexture !== undefined && materialType !== THREE.MeshBasicMaterial) { + pending.push(parser.assignTexture(materialParams, 'emissiveMap', materialDef.emissiveTexture)); + } - targetNames.push( targetName ); + 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); + } - var outputArray = outputAccessor.array; + if (materialDef.name) material.name = materialDef.name; // baseColorTexture, emissiveTexture, and specularGlossinessTexture use sRGB encoding. - if ( outputAccessor.normalized ) { + 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. */ - var scale = getNormalizedComponentScale( outputArray.constructor ); - var scaled = new Float32Array( outputArray.length ); - for ( var j = 0, jl = outputArray.length; j < jl; j ++ ) { + GLTFParser.prototype.createUniqueName = function (originalName) { + var sanitizedName = THREE.PropertyBinding.sanitizeNodeName(originalName || ''); + var name = sanitizedName; - scaled[ j ] = outputArray[ j ] * scale; + for (var i = 1; this.nodeNamesUsed[name]; ++i) { + name = sanitizedName + '_' + i; + } - } + this.nodeNamesUsed[name] = true; + return name; + }; + /** + * @param {BufferGeometry} geometry + * @param {GLTF.Primitive} primitiveDef + * @param {GLTFParser} parser + */ - outputArray = scaled; - } + function computeBounds(geometry, primitiveDef, parser) { + var attributes = primitiveDef.attributes; + var box = new THREE.Box3(); - for ( var j = 0, jl = targetNames.length; j < jl; j ++ ) { + 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 track = new TypedKeyframeTrack( targetNames[ j ] + '.' + PATH_PROPERTIES[ target.path ], inputAccessor.array, outputArray, interpolation ); // Override interpolation with custom factory method. + 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])); - if ( sampler.interpolation === 'CUBICSPLINE' ) { + 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; + } - track.createInterpolant = function InterpolantFactoryMethodGLTFCubicSpline( result ) { + var targets = primitiveDef.targets; - // 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 (targets !== undefined) { + var maxDisplacement = new THREE.Vector3(); + var vector = new THREE.Vector3(); - }; // Mark as CUBICSPLINE. `track.getInterpolation()` doesn't support custom interpolants. + for (var i = 0, il = targets.length; i < il; i++) { + var target = targets[i]; + 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. - track.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline = true; + 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]))); - } + 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. - tracks.push( track ); + 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. - var name = animationDef.name ? animationDef.name : 'animation_' + animationIndex; - return new THREE.AnimationClip( name, undefined, tracks ); - } ); + box.expandByVector(maxDisplacement); + } - }; - /** - * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#nodes-and-hierarchy - * @param {number} nodeIndex - * @return {Promise} + 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} */ - 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. - - var nodeName = nodeDef.name ? parser.createUniqueName( nodeDef.name ) : ''; - return function () { - - var pending = []; - - if ( nodeDef.mesh !== undefined ) { - - pending.push( 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. - - - if ( nodeDef.weights !== undefined ) { - - node.traverse( function ( o ) { + function addPrimitiveAttributes(geometry, primitiveDef, parser) { + var attributes = primitiveDef.attributes; + var pending = []; - if ( ! o.isMesh ) return; + function assignAttributeAccessor(accessorIndex, attributeName) { + return parser.getDependency('accessor', accessorIndex).then(function (accessor) { + geometry.setAttribute(attributeName, accessor); + }); + } - for ( var i = 0, il = nodeDef.weights.length; i < il; i ++ ) { + for (var gltfAttributeName in attributes) { + var threeAttributeName = ATTRIBUTES[gltfAttributeName] || gltfAttributeName.toLowerCase(); // Skip attributes already provided by e.g. Draco extension. - o.morphTargetInfluences[ i ] = nodeDef.weights[ i ]; + if (threeAttributeName in geometry.attributes) continue; + pending.push(assignAttributeAccessor(attributes[gltfAttributeName], threeAttributeName)); + } - } + if (primitiveDef.indices !== undefined && !geometry.index) { + var accessor = parser.getDependency('accessor', primitiveDef.indices).then(function (accessor) { + geometry.setIndex(accessor); + }); + pending.push(accessor); + } - } ); + 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 node; + function toTrianglesDrawMode(geometry, drawMode) { + var index = geometry.getIndex(); // generate index if not present - } ) ); + if (index === null) { + var indices = []; + var position = geometry.getAttribute('position'); + if (position !== undefined) { + for (var i = 0; i < position.count; i++) { + indices.push(i); } - if ( nodeDef.camera !== undefined ) { - - pending.push( parser.getDependency( 'camera', nodeDef.camera ).then( function ( camera ) { + geometry.setIndex(indices); + index = geometry.getIndex(); + } else { + console.error('THREE.GLTFLoader.toTrianglesDrawMode(): Undefined position attribute. Processing not possible.'); + return geometry; + } + } // - return parser._getNodeRef( parser.cameraCache, nodeDef.camera, camera ); - } ) ); + var numberOfTriangles = index.count - 2; + var newIndices = []; + 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 ) { - return ext.createNodeAttachment && ext.createNodeAttachment( nodeIndex ); + 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} primitives + * @return {Promise>} + */ - } ).forEach( function ( promise ) { - pending.push( promise ); + GLTFParser.prototype.loadGeometries = function (primitives) { + var parser = this; + var extensions = this.extensions; + var cache = this.primitiveCache; - } ); + function createDracoPrimitive(primitive) { + return extensions[EXTENSIONS.KHR_DRACO_MESH_COMPRESSION].decodePrimitive(primitive, parser).then(function (geometry) { + return addPrimitiveAttributes(geometry, primitive, parser); + }); + } - return Promise.all( pending ); + var pending = []; - }().then( function ( objects ) { + 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 - var node; // .isBone isn't in glTF spec. See ._markDefs + var cached = cache[cacheKey]; - if ( nodeDef.isBone === true ) { + if (cached) { + // Use the cached geometry if it exists + pending.push(cached.promise); + } else { + var geometryPromise; - node = new THREE.Bone(); + 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 - } else if ( objects.length > 1 ) { - node = new THREE.Group(); + cache[cacheKey] = { + primitive: primitive, + promise: geometryPromise + }; + pending.push(geometryPromise); + } + } - } else if ( objects.length === 1 ) { + return Promise.all(pending); + }; + /** + * Specification: https://github.com/KhronosGroup/glTF/blob/master/specification/2.0/README.md#meshes + * @param {number} meshIndex + * @return {Promise} + */ - node = objects[ 0 ]; - } else { + 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 = []; - node = new THREE.Object3D(); + 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); + } - } + 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 = []; - if ( node !== objects[ 0 ] ) { + for (var i = 0, il = geometries.length; i < il; i++) { + var geometry = geometries[i]; + var primitive = primitives[i]; // 1. create THREE.Mesh - for ( var i = 0, il = objects.length; i < il; i ++ ) { + var mesh; + var material = materials[i]; - node.add( objects[ 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); + 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 ( nodeDef.name ) { + if (Object.keys(mesh.geometry.morphAttributes).length > 0) { + updateMorphTargets(mesh, meshDef); + } - node.userData.name = nodeDef.name; - node.name = nodeName; + mesh.name = parser.createUniqueName(meshDef.name || 'mesh_' + meshIndex); + assignExtrasToUserData(mesh, meshDef); + if (primitive.extensions) addUnknownExtensionsToUserData(extensions, mesh, primitive); + parser.assignFinalMaterial(mesh); + meshes.push(mesh); + } - } + if (meshes.length === 1) { + return meshes[0]; + } - assignExtrasToUserData( node, nodeDef ); - if ( nodeDef.extensions ) addUnknownExtensionsToUserData( extensions, node, nodeDef ); + var group = new THREE.Group(); - if ( nodeDef.matrix !== undefined ) { + for (var i = 0, il = meshes.length; i < il; i++) { + group.add(meshes[i]); + } - var matrix = new THREE.Matrix4(); - matrix.fromArray( nodeDef.matrix ); - node.applyMatrix4( matrix ); + return group; + }); + }; + /** + * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#cameras + * @param {number} cameraIndex + * @return {Promise} + */ - } else { - if ( nodeDef.translation !== undefined ) { + GLTFParser.prototype.loadCamera = function (cameraIndex) { + var camera; + var cameraDef = this.json.cameras[cameraIndex]; + var params = cameraDef[cameraDef.type]; - node.position.fromArray( nodeDef.translation ); + if (!params) { + console.warn('THREE.GLTFLoader: Missing camera parameters.'); + return; + } - } + 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 ( nodeDef.rotation !== undefined ) { + 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} + */ - node.quaternion.fromArray( nodeDef.rotation ); - } + GLTFParser.prototype.loadSkin = function (skinIndex) { + var skinDef = this.json.skins[skinIndex]; + var skinEntry = { + joints: skinDef.joints + }; - if ( nodeDef.scale !== undefined ) { + if (skinDef.inverseBindMatrices === undefined) { + return Promise.resolve(skinEntry); + } - node.scale.fromArray( nodeDef.scale ); + 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} + */ - } - } + 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); + } - parser.associations.set( node, { - type: 'nodes', - index: nodeIndex - } ); - return node; + 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; - } ); + case PATH_PROPERTIES.rotation: + TypedKeyframeTrack = THREE.QuaternionKeyframeTrack; + break; - }; - /** - * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#scenes - * @param {number} sceneIndex - * @return {Promise} - */ + case PATH_PROPERTIES.position: + case PATH_PROPERTIES.scale: + default: + TypedKeyframeTrack = THREE.VectorKeyframeTrack; + break; + } + var targetName = node.name ? node.name : node.uuid; + var interpolation = sampler.interpolation !== undefined ? INTERPOLATION[sampler.interpolation] : THREE.InterpolateLinear; + var targetNames = []; - GLTFParser.prototype.loadScene = function () { + 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); + } - // scene node hierachy builder - function buildNodeHierachy( nodeId, parentObject, json, parser ) { + var outputArray = outputAccessor.array; - var nodeDef = json.nodes[ nodeId ]; - return parser.getDependency( 'node', nodeId ).then( function ( node ) { + if (outputAccessor.normalized) { + var scale = getNormalizedComponentScale(outputArray.constructor); + var scaled = new Float32Array(outputArray.length); - if ( nodeDef.skin === undefined ) return node; // build skeleton here as well + for (var j = 0, jl = outputArray.length; j < jl; j++) { + scaled[j] = outputArray[j] * scale; + } - var skinEntry; - return parser.getDependency( 'skin', nodeDef.skin ).then( function ( skin ) { + outputArray = scaled; + } - skinEntry = skin; - var pendingJoints = []; + 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. - for ( var i = 0, il = skinEntry.joints.length; i < il; i ++ ) { + 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. - pendingJoints.push( parser.getDependency( 'node', skinEntry.joints[ i ] ) ); - } + track.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline = true; + } - return Promise.all( pendingJoints ); + tracks.push(track); + } + } - } ).then( function ( jointNodes ) { + var name = animationDef.name ? animationDef.name : 'animation_' + animationIndex; + return new THREE.AnimationClip(name, undefined, tracks); + }); + }; - node.traverse( function ( mesh ) { + 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. - if ( ! mesh.isMesh ) return; - var bones = []; - var boneInverses = []; - for ( var j = 0, jl = jointNodes.length; j < jl; j ++ ) { + if (nodeDef.weights !== undefined) { + node.traverse(function (o) { + if (!o.isMesh) return; - var jointNode = jointNodes[ j ]; + for (var i = 0, il = nodeDef.weights.length; i < il; i++) { + o.morphTargetInfluences[i] = nodeDef.weights[i]; + } + }); + } - if ( jointNode ) { + return node; + }); + }; + /** + * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#nodes-and-hierarchy + * @param {number} nodeIndex + * @return {Promise} + */ - bones.push( jointNode ); - var mat = new THREE.Matrix4(); - if ( skinEntry.inverseBindMatrices !== undefined ) { + 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. - mat.fromArray( skinEntry.inverseBindMatrices.array, j * 16 ); + var nodeName = nodeDef.name ? parser.createUniqueName(nodeDef.name) : ''; + return function () { + var pending = []; - } + var meshPromise = parser._invokeOne(function (ext) { + return ext.createNodeMesh && ext.createNodeMesh(nodeIndex); + }); - boneInverses.push( mat ); + if (meshPromise) { + pending.push(meshPromise); + } - } else { + if (nodeDef.camera !== undefined) { + pending.push(parser.getDependency('camera', nodeDef.camera).then(function (camera) { + return parser._getNodeRef(parser.cameraCache, nodeDef.camera, camera); + })); + } - console.warn( 'THREE.GLTFLoader: Joint "%s" could not be found.', skinEntry.joints[ j ] ); + parser._invokeAll(function (ext) { + return ext.createNodeAttachment && ext.createNodeAttachment(nodeIndex); + }).forEach(function (promise) { + pending.push(promise); + }); - } + 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(); + } - mesh.bind( new THREE.Skeleton( bones, boneInverses ), mesh.matrixWorld ); + if (node !== objects[0]) { + for (var i = 0, il = objects.length; i < il; i++) { + node.add(objects[i]); + } + } - } ); - return node; + if (nodeDef.name) { + node.userData.name = nodeDef.name; + node.name = nodeName; + } - } ); + assignExtrasToUserData(node, nodeDef); + if (nodeDef.extensions) addUnknownExtensionsToUserData(extensions, node, nodeDef); - } ).then( function ( node ) { + 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); + } - // build node hierachy - parentObject.add( node ); - var pending = []; + if (nodeDef.rotation !== undefined) { + node.quaternion.fromArray(nodeDef.rotation); + } - if ( nodeDef.children ) { + if (nodeDef.scale !== undefined) { + node.scale.fromArray(nodeDef.scale); + } + } - var children = 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} + */ - for ( var i = 0, il = children.length; i < il; i ++ ) { - var child = children[ i ]; - pending.push( buildNodeHierachy( child, node, json, parser ) ); + 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 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( pending ); + return Promise.all(pendingJoints); + }).then(function (jointNodes) { + node.traverse(function (mesh) { + if (!mesh.isMesh) return; + var bones = []; + var boneInverses = []; - } ); + for (var j = 0, jl = jointNodes.length; j < jl; j++) { + var jointNode = jointNodes[j]; - } + if (jointNode) { + bones.push(jointNode); + var mat = new THREE.Matrix4(); - return function loadScene( sceneIndex ) { + if (skinEntry.inverseBindMatrices !== undefined) { + mat.fromArray(skinEntry.inverseBindMatrices.array, j * 16); + } - 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 + boneInverses.push(mat); + } else { + console.warn('THREE.GLTFLoader: Joint "%s" could not be found.', skinEntry.joints[j]); + } + } - 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 || []; + mesh.bind(new THREE.Skeleton(bones, boneInverses), mesh.matrixWorld); + }); + return node; + }); + }).then(function (node) { + // build node hierachy + parentObject.add(node); var pending = []; - for ( var i = 0, il = nodeIds.length; i < il; i ++ ) { - - pending.push( buildNodeHierachy( nodeIds[ i ], scene, json, parser ) ); + if (nodeDef.children) { + var children = nodeDef.children; + 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 ).then( function () { - - return scene; - - } ); - - }; + return Promise.all(pending); + }); + } - }(); + 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 GLTFLoader; + for (var i = 0, il = nodeIds.length; i < il; i++) { + pending.push(buildNodeHierachy(nodeIds[i], scene, json, parser)); + } + return Promise.all(pending).then(function () { + return scene; + }); + }; }(); - THREE.GLTFLoader = GLTFLoader; + return GLTFLoader; +}(); +THREE.GLTFLoader = GLTFLoader; } )(); diff --git a/examples/jsm/loaders/GLTFLoader.js b/examples/jsm/loaders/GLTFLoader.js index 65fcea01b954c9..38c9919a394061 100644 --- a/examples/jsm/loaders/GLTFLoader.js +++ b/examples/jsm/loaders/GLTFLoader.js @@ -2123,6 +2123,8 @@ var GLTFLoader = ( function () { } + return null; + }; GLTFParser.prototype._invokeAll = function ( func ) { @@ -3644,6 +3646,41 @@ var GLTFLoader = ( function () { }; + 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. + if ( nodeDef.weights !== undefined ) { + + node.traverse( function ( o ) { + + if ( ! o.isMesh ) return; + + for ( var i = 0, il = nodeDef.weights.length; i < il; i ++ ) { + + o.morphTargetInfluences[ i ] = nodeDef.weights[ i ]; + + } + + } ); + + } + + return node; + + } ); + + }; + /** * Specification: https://github.com/KhronosGroup/glTF/tree/master/specification/2.0#nodes-and-hierarchy * @param {number} nodeIndex @@ -3664,32 +3701,15 @@ var GLTFLoader = ( function () { var pending = []; - if ( nodeDef.mesh !== undefined ) { - - pending.push( 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. - if ( nodeDef.weights !== undefined ) { + var meshPromise = parser._invokeOne( function ( ext ) { - node.traverse( function ( o ) { + return ext.createNodeMesh && ext.createNodeMesh( nodeIndex ); - if ( ! o.isMesh ) return; - - for ( var i = 0, il = nodeDef.weights.length; i < il; i ++ ) { - - o.morphTargetInfluences[ i ] = nodeDef.weights[ i ]; - - } - - } ); + } ); - } + if ( meshPromise ) { - return node; - - } ) ); + pending.push( meshPromise ); }