import { UVMapping, CubeReflectionMapping, CubeRefractionMapping, EquirectangularReflectionMapping, EquirectangularRefractionMapping, CubeUVReflectionMapping, RepeatWrapping, ClampToEdgeWrapping, MirroredRepeatWrapping, NearestFilter, NearestMipmapNearestFilter, NearestMipmapLinearFilter, LinearFilter, LinearMipmapNearestFilter, LinearMipmapLinearFilter } from '../constants.js'; import { InstancedBufferAttribute } from '../core/InstancedBufferAttribute.js'; import { Color } from '../math/Color.js'; import { Object3D } from '../core/Object3D.js'; import { Group } from '../objects/Group.js'; import { InstancedMesh } from '../objects/InstancedMesh.js'; import { Sprite } from '../objects/Sprite.js'; import { Points } from '../objects/Points.js'; import { Line } from '../objects/Line.js'; import { LineLoop } from '../objects/LineLoop.js'; import { LineSegments } from '../objects/LineSegments.js'; import { LOD } from '../objects/LOD.js'; import { Mesh } from '../objects/Mesh.js'; import { SkinnedMesh } from '../objects/SkinnedMesh.js'; import { Bone } from '../objects/Bone.js'; import { Skeleton } from '../objects/Skeleton.js'; import { Shape } from '../extras/core/Shape.js'; import { Fog } from '../scenes/Fog.js'; import { FogExp2 } from '../scenes/FogExp2.js'; import { HemisphereLight } from '../lights/HemisphereLight.js'; import { SpotLight } from '../lights/SpotLight.js'; import { PointLight } from '../lights/PointLight.js'; import { DirectionalLight } from '../lights/DirectionalLight.js'; import { AmbientLight } from '../lights/AmbientLight.js'; import { RectAreaLight } from '../lights/RectAreaLight.js'; import { LightProbe } from '../lights/LightProbe.js'; import { OrthographicCamera } from '../cameras/OrthographicCamera.js'; import { PerspectiveCamera } from '../cameras/PerspectiveCamera.js'; import { Scene } from '../scenes/Scene.js'; import { CubeTexture } from '../textures/CubeTexture.js'; import { Texture } from '../textures/Texture.js'; import { Source } from '../textures/Source.js'; import { DataTexture } from '../textures/DataTexture.js'; import { ImageLoader } from './ImageLoader.js'; import { LoadingManager } from './LoadingManager.js'; import { AnimationClip } from '../animation/AnimationClip.js'; import { MaterialLoader } from './MaterialLoader.js'; import { LoaderUtils } from './LoaderUtils.js'; import { BufferGeometryLoader } from './BufferGeometryLoader.js'; import { Loader } from './Loader.js'; import { FileLoader } from './FileLoader.js'; import * as Geometries from '../geometries/Geometries.js'; import { getTypedArray } from '../utils.js'; class ObjectLoader extends Loader { constructor( manager ) { super( manager ); } load( url, onLoad, onProgress, onError ) { const scope = this; const path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path; this.resourcePath = this.resourcePath || path; const loader = new FileLoader( this.manager ); loader.setPath( this.path ); loader.setRequestHeader( this.requestHeader ); loader.setWithCredentials( this.withCredentials ); loader.load( url, function ( text ) { let json = null; try { json = JSON.parse( text ); } catch ( error ) { if ( onError !== undefined ) onError( error ); console.error( 'THREE:ObjectLoader: Can\'t parse ' + url + '.', error.message ); return; } const metadata = json.metadata; if ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) { console.error( 'THREE.ObjectLoader: Can\'t load ' + url ); return; } scope.parse( json, onLoad ); }, onProgress, onError ); } async loadAsync( url, onProgress ) { const scope = this; const path = ( this.path === '' ) ? LoaderUtils.extractUrlBase( url ) : this.path; this.resourcePath = this.resourcePath || path; const loader = new FileLoader( this.manager ); loader.setPath( this.path ); loader.setRequestHeader( this.requestHeader ); loader.setWithCredentials( this.withCredentials ); const text = await loader.loadAsync( url, onProgress ); const json = JSON.parse( text ); const metadata = json.metadata; if ( metadata === undefined || metadata.type === undefined || metadata.type.toLowerCase() === 'geometry' ) { throw new Error( 'THREE.ObjectLoader: Can\'t load ' + url ); } return await scope.parseAsync( json ); } parse( json, onLoad ) { const animations = this.parseAnimations( json.animations ); const shapes = this.parseShapes( json.shapes ); const geometries = this.parseGeometries( json.geometries, shapes ); const images = this.parseImages( json.images, function () { if ( onLoad !== undefined ) onLoad( object ); } ); const textures = this.parseTextures( json.textures, images ); const materials = this.parseMaterials( json.materials, textures ); const object = this.parseObject( json.object, geometries, materials, textures, animations ); const skeletons = this.parseSkeletons( json.skeletons, object ); this.bindSkeletons( object, skeletons ); // if ( onLoad !== undefined ) { let hasImages = false; for ( const uuid in images ) { if ( images[ uuid ].data instanceof HTMLImageElement ) { hasImages = true; break; } } if ( hasImages === false ) onLoad( object ); } return object; } async parseAsync( json ) { const animations = this.parseAnimations( json.animations ); const shapes = this.parseShapes( json.shapes ); const geometries = this.parseGeometries( json.geometries, shapes ); const images = await this.parseImagesAsync( json.images ); const textures = this.parseTextures( json.textures, images ); const materials = this.parseMaterials( json.materials, textures ); const object = this.parseObject( json.object, geometries, materials, textures, animations ); const skeletons = this.parseSkeletons( json.skeletons, object ); this.bindSkeletons( object, skeletons ); return object; } parseShapes( json ) { const shapes = {}; if ( json !== undefined ) { for ( let i = 0, l = json.length; i < l; i ++ ) { const shape = new Shape().fromJSON( json[ i ] ); shapes[ shape.uuid ] = shape; } } return shapes; } parseSkeletons( json, object ) { const skeletons = {}; const bones = {}; // generate bone lookup table object.traverse( function ( child ) { if ( child.isBone ) bones[ child.uuid ] = child; } ); // create skeletons if ( json !== undefined ) { for ( let i = 0, l = json.length; i < l; i ++ ) { const skeleton = new Skeleton().fromJSON( json[ i ], bones ); skeletons[ skeleton.uuid ] = skeleton; } } return skeletons; } parseGeometries( json, shapes ) { const geometries = {}; if ( json !== undefined ) { const bufferGeometryLoader = new BufferGeometryLoader(); for ( let i = 0, l = json.length; i < l; i ++ ) { let geometry; const data = json[ i ]; switch ( data.type ) { case 'BufferGeometry': case 'InstancedBufferGeometry': geometry = bufferGeometryLoader.parse( data ); break; default: if ( data.type in Geometries ) { geometry = Geometries[ data.type ].fromJSON( data, shapes ); } else { console.warn( `THREE.ObjectLoader: Unsupported geometry type "${ data.type }"` ); } } geometry.uuid = data.uuid; if ( data.name !== undefined ) geometry.name = data.name; if ( geometry.isBufferGeometry === true && data.userData !== undefined ) geometry.userData = data.userData; geometries[ data.uuid ] = geometry; } } return geometries; } parseMaterials( json, textures ) { const cache = {}; // MultiMaterial const materials = {}; if ( json !== undefined ) { const loader = new MaterialLoader(); loader.setTextures( textures ); for ( let i = 0, l = json.length; i < l; i ++ ) { const data = json[ i ]; if ( cache[ data.uuid ] === undefined ) { cache[ data.uuid ] = loader.parse( data ); } materials[ data.uuid ] = cache[ data.uuid ]; } } return materials; } parseAnimations( json ) { const animations = {}; if ( json !== undefined ) { for ( let i = 0; i < json.length; i ++ ) { const data = json[ i ]; const clip = AnimationClip.parse( data ); animations[ clip.uuid ] = clip; } } return animations; } parseImages( json, onLoad ) { const scope = this; const images = {}; let loader; function loadImage( url ) { scope.manager.itemStart( url ); return loader.load( url, function () { scope.manager.itemEnd( url ); }, undefined, function () { scope.manager.itemError( url ); scope.manager.itemEnd( url ); } ); } function deserializeImage( image ) { if ( typeof image === 'string' ) { const url = image; const path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test( url ) ? url : scope.resourcePath + url; return loadImage( path ); } else { if ( image.data ) { return { data: getTypedArray( image.type, image.data ), width: image.width, height: image.height }; } else { return null; } } } if ( json !== undefined && json.length > 0 ) { const manager = new LoadingManager( onLoad ); loader = new ImageLoader( manager ); loader.setCrossOrigin( this.crossOrigin ); for ( let i = 0, il = json.length; i < il; i ++ ) { const image = json[ i ]; const url = image.url; if ( Array.isArray( url ) ) { // load array of images e.g CubeTexture const imageArray = []; for ( let j = 0, jl = url.length; j < jl; j ++ ) { const currentUrl = url[ j ]; const deserializedImage = deserializeImage( currentUrl ); if ( deserializedImage !== null ) { if ( deserializedImage instanceof HTMLImageElement ) { imageArray.push( deserializedImage ); } else { // special case: handle array of data textures for cube textures imageArray.push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) ); } } } images[ image.uuid ] = new Source( imageArray ); } else { // load single image const deserializedImage = deserializeImage( image.url ); images[ image.uuid ] = new Source( deserializedImage ); } } } return images; } async parseImagesAsync( json ) { const scope = this; const images = {}; let loader; async function deserializeImage( image ) { if ( typeof image === 'string' ) { const url = image; const path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test( url ) ? url : scope.resourcePath + url; return await loader.loadAsync( path ); } else { if ( image.data ) { return { data: getTypedArray( image.type, image.data ), width: image.width, height: image.height }; } else { return null; } } } if ( json !== undefined && json.length > 0 ) { loader = new ImageLoader( this.manager ); loader.setCrossOrigin( this.crossOrigin ); for ( let i = 0, il = json.length; i < il; i ++ ) { const image = json[ i ]; const url = image.url; if ( Array.isArray( url ) ) { // load array of images e.g CubeTexture const imageArray = []; for ( let j = 0, jl = url.length; j < jl; j ++ ) { const currentUrl = url[ j ]; const deserializedImage = await deserializeImage( currentUrl ); if ( deserializedImage !== null ) { if ( deserializedImage instanceof HTMLImageElement ) { imageArray.push( deserializedImage ); } else { // special case: handle array of data textures for cube textures imageArray.push( new DataTexture( deserializedImage.data, deserializedImage.width, deserializedImage.height ) ); } } } images[ image.uuid ] = new Source( imageArray ); } else { // load single image const deserializedImage = await deserializeImage( image.url ); images[ image.uuid ] = new Source( deserializedImage ); } } } return images; } parseTextures( json, images ) { function parseConstant( value, type ) { if ( typeof value === 'number' ) return value; console.warn( 'THREE.ObjectLoader.parseTexture: Constant should be in numeric form.', value ); return type[ value ]; } const textures = {}; if ( json !== undefined ) { for ( let i = 0, l = json.length; i < l; i ++ ) { const data = json[ i ]; if ( data.image === undefined ) { console.warn( 'THREE.ObjectLoader: No "image" specified for', data.uuid ); } if ( images[ data.image ] === undefined ) { console.warn( 'THREE.ObjectLoader: Undefined image', data.image ); } const source = images[ data.image ]; const image = source.data; let texture; if ( Array.isArray( image ) ) { texture = new CubeTexture(); if ( image.length === 6 ) texture.needsUpdate = true; } else { if ( image && image.data ) { texture = new DataTexture(); } else { texture = new Texture(); } if ( image ) texture.needsUpdate = true; // textures can have undefined image data } texture.source = source; texture.uuid = data.uuid; if ( data.name !== undefined ) texture.name = data.name; if ( data.mapping !== undefined ) texture.mapping = parseConstant( data.mapping, TEXTURE_MAPPING ); if ( data.offset !== undefined ) texture.offset.fromArray( data.offset ); if ( data.repeat !== undefined ) texture.repeat.fromArray( data.repeat ); if ( data.center !== undefined ) texture.center.fromArray( data.center ); if ( data.rotation !== undefined ) texture.rotation = data.rotation; if ( data.wrap !== undefined ) { texture.wrapS = parseConstant( data.wrap[ 0 ], TEXTURE_WRAPPING ); texture.wrapT = parseConstant( data.wrap[ 1 ], TEXTURE_WRAPPING ); } if ( data.format !== undefined ) texture.format = data.format; if ( data.type !== undefined ) texture.type = data.type; if ( data.encoding !== undefined ) texture.encoding = data.encoding; if ( data.minFilter !== undefined ) texture.minFilter = parseConstant( data.minFilter, TEXTURE_FILTER ); if ( data.magFilter !== undefined ) texture.magFilter = parseConstant( data.magFilter, TEXTURE_FILTER ); if ( data.anisotropy !== undefined ) texture.anisotropy = data.anisotropy; if ( data.flipY !== undefined ) texture.flipY = data.flipY; if ( data.premultiplyAlpha !== undefined ) texture.premultiplyAlpha = data.premultiplyAlpha; if ( data.unpackAlignment !== undefined ) texture.unpackAlignment = data.unpackAlignment; if ( data.userData !== undefined ) texture.userData = data.userData; textures[ data.uuid ] = texture; } } return textures; } parseObject( data, geometries, materials, textures, animations ) { let object; function getGeometry( name ) { if ( geometries[ name ] === undefined ) { console.warn( 'THREE.ObjectLoader: Undefined geometry', name ); } return geometries[ name ]; } function getMaterial( name ) { if ( name === undefined ) return undefined; if ( Array.isArray( name ) ) { const array = []; for ( let i = 0, l = name.length; i < l; i ++ ) { const uuid = name[ i ]; if ( materials[ uuid ] === undefined ) { console.warn( 'THREE.ObjectLoader: Undefined material', uuid ); } array.push( materials[ uuid ] ); } return array; } if ( materials[ name ] === undefined ) { console.warn( 'THREE.ObjectLoader: Undefined material', name ); } return materials[ name ]; } function getTexture( uuid ) { if ( textures[ uuid ] === undefined ) { console.warn( 'THREE.ObjectLoader: Undefined texture', uuid ); } return textures[ uuid ]; } let geometry, material; switch ( data.type ) { case 'Scene': object = new Scene(); if ( data.background !== undefined ) { if ( Number.isInteger( data.background ) ) { object.background = new Color( data.background ); } else { object.background = getTexture( data.background ); } } if ( data.environment !== undefined ) { object.environment = getTexture( data.environment ); } if ( data.fog !== undefined ) { if ( data.fog.type === 'Fog' ) { object.fog = new Fog( data.fog.color, data.fog.near, data.fog.far ); } else if ( data.fog.type === 'FogExp2' ) { object.fog = new FogExp2( data.fog.color, data.fog.density ); } } break; case 'PerspectiveCamera': object = new PerspectiveCamera( data.fov, data.aspect, data.near, data.far ); if ( data.focus !== undefined ) object.focus = data.focus; if ( data.zoom !== undefined ) object.zoom = data.zoom; if ( data.filmGauge !== undefined ) object.filmGauge = data.filmGauge; if ( data.filmOffset !== undefined ) object.filmOffset = data.filmOffset; if ( data.view !== undefined ) object.view = Object.assign( {}, data.view ); break; case 'OrthographicCamera': object = new OrthographicCamera( data.left, data.right, data.top, data.bottom, data.near, data.far ); if ( data.zoom !== undefined ) object.zoom = data.zoom; if ( data.view !== undefined ) object.view = Object.assign( {}, data.view ); break; case 'AmbientLight': object = new AmbientLight( data.color, data.intensity ); break; case 'DirectionalLight': object = new DirectionalLight( data.color, data.intensity ); break; case 'PointLight': object = new PointLight( data.color, data.intensity, data.distance, data.decay ); break; case 'RectAreaLight': object = new RectAreaLight( data.color, data.intensity, data.width, data.height ); break; case 'SpotLight': object = new SpotLight( data.color, data.intensity, data.distance, data.angle, data.penumbra, data.decay ); break; case 'HemisphereLight': object = new HemisphereLight( data.color, data.groundColor, data.intensity ); break; case 'LightProbe': object = new LightProbe().fromJSON( data ); break; case 'SkinnedMesh': geometry = getGeometry( data.geometry ); material = getMaterial( data.material ); object = new SkinnedMesh( geometry, material ); if ( data.bindMode !== undefined ) object.bindMode = data.bindMode; if ( data.bindMatrix !== undefined ) object.bindMatrix.fromArray( data.bindMatrix ); if ( data.skeleton !== undefined ) object.skeleton = data.skeleton; break; case 'Mesh': geometry = getGeometry( data.geometry ); material = getMaterial( data.material ); object = new Mesh( geometry, material ); break; case 'InstancedMesh': geometry = getGeometry( data.geometry ); material = getMaterial( data.material ); const count = data.count; const instanceMatrix = data.instanceMatrix; const instanceColor = data.instanceColor; object = new InstancedMesh( geometry, material, count ); object.instanceMatrix = new InstancedBufferAttribute( new Float32Array( instanceMatrix.array ), 16 ); if ( instanceColor !== undefined ) object.instanceColor = new InstancedBufferAttribute( new Float32Array( instanceColor.array ), instanceColor.itemSize ); break; case 'LOD': object = new LOD(); break; case 'Line': object = new Line( getGeometry( data.geometry ), getMaterial( data.material ) ); break; case 'LineLoop': object = new LineLoop( getGeometry( data.geometry ), getMaterial( data.material ) ); break; case 'LineSegments': object = new LineSegments( getGeometry( data.geometry ), getMaterial( data.material ) ); break; case 'PointCloud': case 'Points': object = new Points( getGeometry( data.geometry ), getMaterial( data.material ) ); break; case 'Sprite': object = new Sprite( getMaterial( data.material ) ); break; case 'Group': object = new Group(); break; case 'Bone': object = new Bone(); break; default: object = new Object3D(); } object.uuid = data.uuid; if ( data.name !== undefined ) object.name = data.name; if ( data.matrix !== undefined ) { object.matrix.fromArray( data.matrix ); if ( data.matrixAutoUpdate !== undefined ) object.matrixAutoUpdate = data.matrixAutoUpdate; if ( object.matrixAutoUpdate ) object.matrix.decompose( object.position, object.quaternion, object.scale ); } else { if ( data.position !== undefined ) object.position.fromArray( data.position ); if ( data.rotation !== undefined ) object.rotation.fromArray( data.rotation ); if ( data.quaternion !== undefined ) object.quaternion.fromArray( data.quaternion ); if ( data.scale !== undefined ) object.scale.fromArray( data.scale ); } if ( data.castShadow !== undefined ) object.castShadow = data.castShadow; if ( data.receiveShadow !== undefined ) object.receiveShadow = data.receiveShadow; if ( data.shadow ) { if ( data.shadow.bias !== undefined ) object.shadow.bias = data.shadow.bias; if ( data.shadow.normalBias !== undefined ) object.shadow.normalBias = data.shadow.normalBias; if ( data.shadow.radius !== undefined ) object.shadow.radius = data.shadow.radius; if ( data.shadow.mapSize !== undefined ) object.shadow.mapSize.fromArray( data.shadow.mapSize ); if ( data.shadow.camera !== undefined ) object.shadow.camera = this.parseObject( data.shadow.camera ); } if ( data.visible !== undefined ) object.visible = data.visible; if ( data.frustumCulled !== undefined ) object.frustumCulled = data.frustumCulled; if ( data.renderOrder !== undefined ) object.renderOrder = data.renderOrder; if ( data.userData !== undefined ) object.userData = data.userData; if ( data.layers !== undefined ) object.layers.mask = data.layers; if ( data.children !== undefined ) { const children = data.children; for ( let i = 0; i < children.length; i ++ ) { object.add( this.parseObject( children[ i ], geometries, materials, textures, animations ) ); } } if ( data.animations !== undefined ) { const objectAnimations = data.animations; for ( let i = 0; i < objectAnimations.length; i ++ ) { const uuid = objectAnimations[ i ]; object.animations.push( animations[ uuid ] ); } } if ( data.type === 'LOD' ) { if ( data.autoUpdate !== undefined ) object.autoUpdate = data.autoUpdate; const levels = data.levels; for ( let l = 0; l < levels.length; l ++ ) { const level = levels[ l ]; const child = object.getObjectByProperty( 'uuid', level.object ); if ( child !== undefined ) { object.addLevel( child, level.distance ); } } } return object; } bindSkeletons( object, skeletons ) { if ( Object.keys( skeletons ).length === 0 ) return; object.traverse( function ( child ) { if ( child.isSkinnedMesh === true && child.skeleton !== undefined ) { const skeleton = skeletons[ child.skeleton ]; if ( skeleton === undefined ) { console.warn( 'THREE.ObjectLoader: No skeleton found with UUID:', child.skeleton ); } else { child.bind( skeleton, child.bindMatrix ); } } } ); } } const TEXTURE_MAPPING = { UVMapping: UVMapping, CubeReflectionMapping: CubeReflectionMapping, CubeRefractionMapping: CubeRefractionMapping, EquirectangularReflectionMapping: EquirectangularReflectionMapping, EquirectangularRefractionMapping: EquirectangularRefractionMapping, CubeUVReflectionMapping: CubeUVReflectionMapping }; const TEXTURE_WRAPPING = { RepeatWrapping: RepeatWrapping, ClampToEdgeWrapping: ClampToEdgeWrapping, MirroredRepeatWrapping: MirroredRepeatWrapping }; const TEXTURE_FILTER = { NearestFilter: NearestFilter, NearestMipmapNearestFilter: NearestMipmapNearestFilter, NearestMipmapLinearFilter: NearestMipmapLinearFilter, LinearFilter: LinearFilter, LinearMipmapNearestFilter: LinearMipmapNearestFilter, LinearMipmapLinearFilter: LinearMipmapLinearFilter }; export { ObjectLoader };