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ObjectLoader.js
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import {
UVMapping,
CubeReflectionMapping,
CubeRefractionMapping,
EquirectangularReflectionMapping,
EquirectangularRefractionMapping,
CubeUVReflectionMapping,
CubeUVRefractionMapping,
RepeatWrapping,
ClampToEdgeWrapping,
MirroredRepeatWrapping,
NearestFilter,
NearestMipmapNearestFilter,
NearestMipmapLinearFilter,
LinearFilter,
LinearMipmapNearestFilter,
LinearMipmapLinearFilter
} from '../constants.js';
import { BufferAttribute } from '../core/BufferAttribute.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 { 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 * as Curves from '../extras/curves/Curves.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 );
}
parse( json, onLoad ) {
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 );
const skeletons = this.parseSkeletons( json.skeletons, object );
this.bindSkeletons( object, skeletons );
if ( json.animations ) {
object.animations = this.parseAnimations( json.animations );
}
if ( json.images === undefined || json.images.length === 0 ) {
if ( onLoad !== undefined ) onLoad( object );
}
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 = {};
let geometryShapes;
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 'PlaneGeometry':
case 'PlaneBufferGeometry':
geometry = new Geometries[ data.type ](
data.width,
data.height,
data.widthSegments,
data.heightSegments
);
break;
case 'BoxGeometry':
case 'BoxBufferGeometry':
case 'CubeGeometry': // backwards compatible
geometry = new Geometries[ data.type ](
data.width,
data.height,
data.depth,
data.widthSegments,
data.heightSegments,
data.depthSegments
);
break;
case 'CircleGeometry':
case 'CircleBufferGeometry':
geometry = new Geometries[ data.type ](
data.radius,
data.segments,
data.thetaStart,
data.thetaLength
);
break;
case 'CylinderGeometry':
case 'CylinderBufferGeometry':
geometry = new Geometries[ data.type ](
data.radiusTop,
data.radiusBottom,
data.height,
data.radialSegments,
data.heightSegments,
data.openEnded,
data.thetaStart,
data.thetaLength
);
break;
case 'ConeGeometry':
case 'ConeBufferGeometry':
geometry = new Geometries[ data.type ](
data.radius,
data.height,
data.radialSegments,
data.heightSegments,
data.openEnded,
data.thetaStart,
data.thetaLength
);
break;
case 'SphereGeometry':
case 'SphereBufferGeometry':
geometry = new Geometries[ data.type ](
data.radius,
data.widthSegments,
data.heightSegments,
data.phiStart,
data.phiLength,
data.thetaStart,
data.thetaLength
);
break;
case 'DodecahedronGeometry':
case 'DodecahedronBufferGeometry':
case 'IcosahedronGeometry':
case 'IcosahedronBufferGeometry':
case 'OctahedronGeometry':
case 'OctahedronBufferGeometry':
case 'TetrahedronGeometry':
case 'TetrahedronBufferGeometry':
geometry = new Geometries[ data.type ](
data.radius,
data.detail
);
break;
case 'RingGeometry':
case 'RingBufferGeometry':
geometry = new Geometries[ data.type ](
data.innerRadius,
data.outerRadius,
data.thetaSegments,
data.phiSegments,
data.thetaStart,
data.thetaLength
);
break;
case 'TorusGeometry':
case 'TorusBufferGeometry':
geometry = new Geometries[ data.type ](
data.radius,
data.tube,
data.radialSegments,
data.tubularSegments,
data.arc
);
break;
case 'TorusKnotGeometry':
case 'TorusKnotBufferGeometry':
geometry = new Geometries[ data.type ](
data.radius,
data.tube,
data.tubularSegments,
data.radialSegments,
data.p,
data.q
);
break;
case 'TubeGeometry':
case 'TubeBufferGeometry':
// This only works for built-in curves (e.g. CatmullRomCurve3).
// User defined curves or instances of CurvePath will not be deserialized.
geometry = new Geometries[ data.type ](
new Curves[ data.path.type ]().fromJSON( data.path ),
data.tubularSegments,
data.radius,
data.radialSegments,
data.closed
);
break;
case 'LatheGeometry':
case 'LatheBufferGeometry':
geometry = new Geometries[ data.type ](
data.points,
data.segments,
data.phiStart,
data.phiLength
);
break;
case 'PolyhedronGeometry':
case 'PolyhedronBufferGeometry':
geometry = new Geometries[ data.type ](
data.vertices,
data.indices,
data.radius,
data.details
);
break;
case 'ShapeGeometry':
case 'ShapeBufferGeometry':
geometryShapes = [];
for ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) {
const shape = shapes[ data.shapes[ j ] ];
geometryShapes.push( shape );
}
geometry = new Geometries[ data.type ](
geometryShapes,
data.curveSegments
);
break;
case 'ExtrudeGeometry':
case 'ExtrudeBufferGeometry':
geometryShapes = [];
for ( let j = 0, jl = data.shapes.length; j < jl; j ++ ) {
const shape = shapes[ data.shapes[ j ] ];
geometryShapes.push( shape );
}
const extrudePath = data.options.extrudePath;
if ( extrudePath !== undefined ) {
data.options.extrudePath = new Curves[ extrudePath.type ]().fromJSON( extrudePath );
}
geometry = new Geometries[ data.type ](
geometryShapes,
data.options
);
break;
case 'BufferGeometry':
case 'InstancedBufferGeometry':
geometry = bufferGeometryLoader.parse( data );
break;
case 'Geometry':
console.error( 'THREE.ObjectLoader: Loading "Geometry" is not supported anymore.' );
break;
default:
console.warn( 'THREE.ObjectLoader: Unsupported geometry type "' + data.type + '"' );
continue;
}
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 ( data.type === 'MultiMaterial' ) {
// Deprecated
const array = [];
for ( let j = 0; j < data.materials.length; j ++ ) {
const material = data.materials[ j ];
if ( cache[ material.uuid ] === undefined ) {
cache[ material.uuid ] = loader.parse( material );
}
array.push( cache[ material.uuid ] );
}
materials[ data.uuid ] = array;
} else {
if ( cache[ data.uuid ] === undefined ) {
cache[ data.uuid ] = loader.parse( data );
}
materials[ data.uuid ] = cache[ data.uuid ];
}
}
}
return materials;
}
parseAnimations( json ) {
const animations = [];
for ( let i = 0; i < json.length; i ++ ) {
const data = json[ i ];
const clip = AnimationClip.parse( data );
if ( data.uuid !== undefined ) clip.uuid = data.uuid;
animations.push( 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 );
} );
}
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
images[ image.uuid ] = [];
for ( let j = 0, jl = url.length; j < jl; j ++ ) {
const currentUrl = url[ j ];
const path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test( currentUrl ) ? currentUrl : scope.resourcePath + currentUrl;
images[ image.uuid ].push( loadImage( path ) );
}
} else {
// load single image
const path = /^(\/\/)|([a-z]+:(\/\/)?)/i.test( image.url ) ? image.url : scope.resourcePath + image.url;
images[ image.uuid ] = loadImage( path );
}
}
}
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 );
}
let texture;
if ( Array.isArray( images[ data.image ] ) ) {
texture = new CubeTexture( images[ data.image ] );
} else {
texture = new Texture( images[ data.image ] );
}
texture.needsUpdate = true;
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;
textures[ data.uuid ] = texture;
}
}
return textures;
}
parseObject( data, geometries, materials ) {
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 ];
}
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 );
}
}
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;
object = new InstancedMesh( geometry, material, count );
object.instanceMatrix = new BufferAttribute( new Float32Array( instanceMatrix.array ), 16 );
break;
case 'LOD':
object = new LOD();
break;
case 'Line':
object = new Line( getGeometry( data.geometry ), getMaterial( data.material ), data.mode );
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 ) );
}