1765 lines
37 KiB
JavaScript
1765 lines
37 KiB
JavaScript
import {
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BufferGeometryLoader,
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CanvasTexture,
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ClampToEdgeWrapping,
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Color,
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DirectionalLight,
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DoubleSide,
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FileLoader,
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LinearFilter,
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Line,
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LineBasicMaterial,
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Loader,
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Matrix4,
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Mesh,
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MeshPhysicalMaterial,
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MeshStandardMaterial,
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Object3D,
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PointLight,
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Points,
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PointsMaterial,
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RectAreaLight,
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RepeatWrapping,
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SpotLight,
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Sprite,
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SpriteMaterial,
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TextureLoader
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} from 'three';
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import { EXRLoader } from '../loaders/EXRLoader.js';
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const _taskCache = new WeakMap();
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class Rhino3dmLoader extends Loader {
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constructor( manager ) {
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super( manager );
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this.libraryPath = '';
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this.libraryPending = null;
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this.libraryBinary = null;
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this.libraryConfig = {};
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this.url = '';
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this.workerLimit = 4;
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this.workerPool = [];
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this.workerNextTaskID = 1;
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this.workerSourceURL = '';
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this.workerConfig = {};
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this.materials = [];
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this.warnings = [];
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}
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setLibraryPath( path ) {
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this.libraryPath = path;
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return this;
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}
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setWorkerLimit( workerLimit ) {
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this.workerLimit = workerLimit;
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return this;
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}
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load( url, onLoad, onProgress, onError ) {
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const loader = new FileLoader( this.manager );
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loader.setPath( this.path );
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loader.setResponseType( 'arraybuffer' );
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loader.setRequestHeader( this.requestHeader );
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this.url = url;
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loader.load( url, ( buffer ) => {
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// Check for an existing task using this buffer. A transferred buffer cannot be transferred
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// again from this thread.
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if ( _taskCache.has( buffer ) ) {
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const cachedTask = _taskCache.get( buffer );
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return cachedTask.promise.then( onLoad ).catch( onError );
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}
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this.decodeObjects( buffer, url )
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.then( result => {
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result.userData.warnings = this.warnings;
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onLoad( result );
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} )
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.catch( e => onError( e ) );
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}, onProgress, onError );
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}
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debug() {
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console.log( 'Task load: ', this.workerPool.map( ( worker ) => worker._taskLoad ) );
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}
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decodeObjects( buffer, url ) {
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let worker;
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let taskID;
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const taskCost = buffer.byteLength;
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const objectPending = this._getWorker( taskCost )
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.then( ( _worker ) => {
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worker = _worker;
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taskID = this.workerNextTaskID ++;
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return new Promise( ( resolve, reject ) => {
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worker._callbacks[ taskID ] = { resolve, reject };
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worker.postMessage( { type: 'decode', id: taskID, buffer }, [ buffer ] );
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// this.debug();
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} );
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} )
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.then( ( message ) => this._createGeometry( message.data ) )
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.catch( e => {
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throw e;
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} );
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// Remove task from the task list.
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// Note: replaced '.finally()' with '.catch().then()' block - iOS 11 support (#19416)
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objectPending
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.catch( () => true )
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.then( () => {
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if ( worker && taskID ) {
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this._releaseTask( worker, taskID );
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//this.debug();
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}
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} );
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// Cache the task result.
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_taskCache.set( buffer, {
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url: url,
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promise: objectPending
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} );
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return objectPending;
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}
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parse( data, onLoad, onError ) {
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this.decodeObjects( data, '' )
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.then( result => {
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result.userData.warnings = this.warnings;
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onLoad( result );
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} )
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.catch( e => onError( e ) );
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}
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_compareMaterials( material ) {
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const mat = {};
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mat.name = material.name;
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mat.color = {};
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mat.color.r = material.color.r;
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mat.color.g = material.color.g;
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mat.color.b = material.color.b;
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mat.type = material.type;
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mat.vertexColors = material.vertexColors;
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const json = JSON.stringify( mat );
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for ( let i = 0; i < this.materials.length; i ++ ) {
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const m = this.materials[ i ];
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const _mat = {};
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_mat.name = m.name;
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_mat.color = {};
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_mat.color.r = m.color.r;
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_mat.color.g = m.color.g;
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_mat.color.b = m.color.b;
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_mat.type = m.type;
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_mat.vertexColors = m.vertexColors;
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if ( JSON.stringify( _mat ) === json ) {
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return m;
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}
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}
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this.materials.push( material );
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return material;
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}
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_createMaterial( material, renderEnvironment ) {
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if ( material === undefined ) {
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return new MeshStandardMaterial( {
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color: new Color( 1, 1, 1 ),
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metalness: 0.8,
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name: Loader.DEFAULT_MATERIAL_NAME,
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side: DoubleSide
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} );
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}
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//console.log(material)
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const mat = new MeshPhysicalMaterial( {
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color: new Color( material.diffuseColor.r / 255.0, material.diffuseColor.g / 255.0, material.diffuseColor.b / 255.0 ),
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emissive: new Color( material.emissionColor.r, material.emissionColor.g, material.emissionColor.b ),
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flatShading: material.disableLighting,
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ior: material.indexOfRefraction,
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name: material.name,
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reflectivity: material.reflectivity,
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opacity: 1.0 - material.transparency,
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side: DoubleSide,
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specularColor: material.specularColor,
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transparent: material.transparency > 0 ? true : false
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} );
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mat.userData.id = material.id;
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if ( material.pbrSupported ) {
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const pbr = material.pbr;
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mat.anisotropy = pbr.anisotropic;
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mat.anisotropyRotation = pbr.anisotropicRotation;
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mat.color = new Color( pbr.baseColor.r, pbr.baseColor.g, pbr.baseColor.b );
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mat.clearcoat = pbr.clearcoat;
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mat.clearcoatRoughness = pbr.clearcoatRoughness;
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mat.metalness = pbr.metallic;
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mat.transmission = 1 - pbr.opacity;
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mat.roughness = pbr.roughness;
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mat.sheen = pbr.sheen;
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mat.specularIntensity = pbr.specular;
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mat.thickness = pbr.subsurface;
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}
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if ( material.pbrSupported && material.pbr.opacity === 0 && material.transparency === 1 ) {
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//some compromises
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mat.opacity = 0.2;
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mat.transmission = 1.00;
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}
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const textureLoader = new TextureLoader();
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for ( let i = 0; i < material.textures.length; i ++ ) {
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const texture = material.textures[ i ];
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if ( texture.image !== null ) {
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const map = textureLoader.load( texture.image );
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//console.log(texture.type )
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switch ( texture.type ) {
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case 'Bump':
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mat.bumpMap = map;
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break;
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case 'Diffuse':
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mat.map = map;
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break;
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case 'Emap':
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mat.envMap = map;
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break;
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case 'Opacity':
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mat.transmissionMap = map;
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break;
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case 'Transparency':
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mat.alphaMap = map;
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mat.transparent = true;
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break;
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case 'PBR_Alpha':
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mat.alphaMap = map;
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mat.transparent = true;
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break;
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case 'PBR_AmbientOcclusion':
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mat.aoMap = map;
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break;
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case 'PBR_Anisotropic':
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mat.anisotropyMap = map;
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break;
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case 'PBR_BaseColor':
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mat.map = map;
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break;
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case 'PBR_Clearcoat':
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mat.clearcoatMap = map;
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break;
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case 'PBR_ClearcoatBump':
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mat.clearcoatNormalMap = map;
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break;
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case 'PBR_ClearcoatRoughness':
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mat.clearcoatRoughnessMap = map;
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break;
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case 'PBR_Displacement':
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mat.displacementMap = map;
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break;
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case 'PBR_Emission':
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mat.emissiveMap = map;
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break;
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case 'PBR_Metallic':
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mat.metalnessMap = map;
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break;
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case 'PBR_Roughness':
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mat.roughnessMap = map;
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break;
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case 'PBR_Sheen':
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mat.sheenColorMap = map;
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break;
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case 'PBR_Specular':
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mat.specularColorMap = map;
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break;
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case 'PBR_Subsurface':
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mat.thicknessMap = map;
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break;
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default:
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this.warnings.push( {
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message: `THREE.3DMLoader: No conversion exists for 3dm ${texture.type}.`,
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type: 'no conversion'
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} );
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break;
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}
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map.wrapS = texture.wrapU === 0 ? RepeatWrapping : ClampToEdgeWrapping;
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map.wrapT = texture.wrapV === 0 ? RepeatWrapping : ClampToEdgeWrapping;
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if ( texture.repeat ) {
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map.repeat.set( texture.repeat[ 0 ], texture.repeat[ 1 ] );
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}
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}
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}
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if ( renderEnvironment ) {
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new EXRLoader().load( renderEnvironment.image, function ( texture ) {
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texture.mapping = THREE.EquirectangularReflectionMapping;
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mat.envMap = texture;
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} );
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}
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return mat;
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}
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_createGeometry( data ) {
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const object = new Object3D();
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const instanceDefinitionObjects = [];
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const instanceDefinitions = [];
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const instanceReferences = [];
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object.userData[ 'layers' ] = data.layers;
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object.userData[ 'groups' ] = data.groups;
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object.userData[ 'settings' ] = data.settings;
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object.userData.settings[ 'renderSettings' ] = data.renderSettings;
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object.userData[ 'objectType' ] = 'File3dm';
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object.userData[ 'materials' ] = null;
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object.name = this.url;
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let objects = data.objects;
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const materials = data.materials;
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for ( let i = 0; i < objects.length; i ++ ) {
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const obj = objects[ i ];
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const attributes = obj.attributes;
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switch ( obj.objectType ) {
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case 'InstanceDefinition':
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instanceDefinitions.push( obj );
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break;
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case 'InstanceReference':
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instanceReferences.push( obj );
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break;
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default:
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let matId = null;
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switch ( attributes.materialSource.name ) {
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case 'ObjectMaterialSource_MaterialFromLayer':
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//check layer index
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if ( attributes.layerIndex >= 0 ) {
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matId = data.layers[ attributes.layerIndex ].renderMaterialIndex;
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}
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break;
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case 'ObjectMaterialSource_MaterialFromObject':
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if ( attributes.materialIndex >= 0 ) {
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matId = attributes.materialIndex;
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}
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break;
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}
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let material = null;
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if ( matId >= 0 ) {
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const rMaterial = materials[ matId ];
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material = this._createMaterial( rMaterial, data.renderEnvironment );
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}
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const _object = this._createObject( obj, material );
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if ( _object === undefined ) {
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continue;
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}
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const layer = data.layers[ attributes.layerIndex ];
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_object.visible = layer ? data.layers[ attributes.layerIndex ].visible : true;
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if ( attributes.isInstanceDefinitionObject ) {
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instanceDefinitionObjects.push( _object );
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} else {
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object.add( _object );
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}
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break;
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}
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}
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for ( let i = 0; i < instanceDefinitions.length; i ++ ) {
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const iDef = instanceDefinitions[ i ];
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objects = [];
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for ( let j = 0; j < iDef.attributes.objectIds.length; j ++ ) {
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const objId = iDef.attributes.objectIds[ j ];
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for ( let p = 0; p < instanceDefinitionObjects.length; p ++ ) {
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const idoId = instanceDefinitionObjects[ p ].userData.attributes.id;
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if ( objId === idoId ) {
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objects.push( instanceDefinitionObjects[ p ] );
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}
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}
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}
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// Currently clones geometry and does not take advantage of instancing
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for ( let j = 0; j < instanceReferences.length; j ++ ) {
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const iRef = instanceReferences[ j ];
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if ( iRef.geometry.parentIdefId === iDef.attributes.id ) {
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const iRefObject = new Object3D();
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const xf = iRef.geometry.xform.array;
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const matrix = new Matrix4();
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matrix.set( ...xf );
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iRefObject.applyMatrix4( matrix );
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for ( let p = 0; p < objects.length; p ++ ) {
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iRefObject.add( objects[ p ].clone( true ) );
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}
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object.add( iRefObject );
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}
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}
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}
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object.userData[ 'materials' ] = this.materials;
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object.name = '';
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return object;
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}
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_createObject( obj, mat ) {
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const loader = new BufferGeometryLoader();
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const attributes = obj.attributes;
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let geometry, material, _color, color;
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switch ( obj.objectType ) {
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case 'Point':
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case 'PointSet':
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geometry = loader.parse( obj.geometry );
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if ( geometry.attributes.hasOwnProperty( 'color' ) ) {
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material = new PointsMaterial( { vertexColors: true, sizeAttenuation: false, size: 2 } );
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} else {
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_color = attributes.drawColor;
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color = new Color( _color.r / 255.0, _color.g / 255.0, _color.b / 255.0 );
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material = new PointsMaterial( { color: color, sizeAttenuation: false, size: 2 } );
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}
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material = this._compareMaterials( material );
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const points = new Points( geometry, material );
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points.userData[ 'attributes' ] = attributes;
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points.userData[ 'objectType' ] = obj.objectType;
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if ( attributes.name ) {
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points.name = attributes.name;
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}
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return points;
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case 'Mesh':
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case 'Extrusion':
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case 'SubD':
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case 'Brep':
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if ( obj.geometry === null ) return;
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geometry = loader.parse( obj.geometry );
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if ( mat === null ) {
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mat = this._createMaterial();
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}
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if ( geometry.attributes.hasOwnProperty( 'color' ) ) {
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mat.vertexColors = true;
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}
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mat = this._compareMaterials( mat );
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const mesh = new Mesh( geometry, mat );
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mesh.castShadow = attributes.castsShadows;
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mesh.receiveShadow = attributes.receivesShadows;
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mesh.userData[ 'attributes' ] = attributes;
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mesh.userData[ 'objectType' ] = obj.objectType;
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if ( attributes.name ) {
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|
|
mesh.name = attributes.name;
|
|
|
|
}
|
|
|
|
return mesh;
|
|
|
|
case 'Curve':
|
|
|
|
geometry = loader.parse( obj.geometry );
|
|
|
|
_color = attributes.drawColor;
|
|
color = new Color( _color.r / 255.0, _color.g / 255.0, _color.b / 255.0 );
|
|
|
|
material = new LineBasicMaterial( { color: color } );
|
|
material = this._compareMaterials( material );
|
|
|
|
const lines = new Line( geometry, material );
|
|
lines.userData[ 'attributes' ] = attributes;
|
|
lines.userData[ 'objectType' ] = obj.objectType;
|
|
|
|
if ( attributes.name ) {
|
|
|
|
lines.name = attributes.name;
|
|
|
|
}
|
|
|
|
return lines;
|
|
|
|
case 'TextDot':
|
|
|
|
geometry = obj.geometry;
|
|
|
|
const ctx = document.createElement( 'canvas' ).getContext( '2d' );
|
|
const font = `${geometry.fontHeight}px ${geometry.fontFace}`;
|
|
ctx.font = font;
|
|
const width = ctx.measureText( geometry.text ).width + 10;
|
|
const height = geometry.fontHeight + 10;
|
|
|
|
const r = window.devicePixelRatio;
|
|
|
|
ctx.canvas.width = width * r;
|
|
ctx.canvas.height = height * r;
|
|
ctx.canvas.style.width = width + 'px';
|
|
ctx.canvas.style.height = height + 'px';
|
|
ctx.setTransform( r, 0, 0, r, 0, 0 );
|
|
|
|
ctx.font = font;
|
|
ctx.textBaseline = 'middle';
|
|
ctx.textAlign = 'center';
|
|
color = attributes.drawColor;
|
|
ctx.fillStyle = `rgba(${color.r},${color.g},${color.b},${color.a})`;
|
|
ctx.fillRect( 0, 0, width, height );
|
|
ctx.fillStyle = 'white';
|
|
ctx.fillText( geometry.text, width / 2, height / 2 );
|
|
|
|
const texture = new CanvasTexture( ctx.canvas );
|
|
texture.minFilter = LinearFilter;
|
|
texture.wrapS = ClampToEdgeWrapping;
|
|
texture.wrapT = ClampToEdgeWrapping;
|
|
|
|
material = new SpriteMaterial( { map: texture, depthTest: false } );
|
|
const sprite = new Sprite( material );
|
|
sprite.position.set( geometry.point[ 0 ], geometry.point[ 1 ], geometry.point[ 2 ] );
|
|
sprite.scale.set( width / 10, height / 10, 1.0 );
|
|
|
|
sprite.userData[ 'attributes' ] = attributes;
|
|
sprite.userData[ 'objectType' ] = obj.objectType;
|
|
|
|
if ( attributes.name ) {
|
|
|
|
sprite.name = attributes.name;
|
|
|
|
}
|
|
|
|
return sprite;
|
|
|
|
case 'Light':
|
|
|
|
geometry = obj.geometry;
|
|
|
|
let light;
|
|
|
|
switch ( geometry.lightStyle.name ) {
|
|
|
|
case 'LightStyle_WorldPoint':
|
|
|
|
light = new PointLight();
|
|
light.castShadow = attributes.castsShadows;
|
|
light.position.set( geometry.location[ 0 ], geometry.location[ 1 ], geometry.location[ 2 ] );
|
|
light.shadow.normalBias = 0.1;
|
|
|
|
break;
|
|
|
|
case 'LightStyle_WorldSpot':
|
|
|
|
light = new SpotLight();
|
|
light.castShadow = attributes.castsShadows;
|
|
light.position.set( geometry.location[ 0 ], geometry.location[ 1 ], geometry.location[ 2 ] );
|
|
light.target.position.set( geometry.direction[ 0 ], geometry.direction[ 1 ], geometry.direction[ 2 ] );
|
|
light.angle = geometry.spotAngleRadians;
|
|
light.shadow.normalBias = 0.1;
|
|
|
|
break;
|
|
|
|
case 'LightStyle_WorldRectangular':
|
|
|
|
light = new RectAreaLight();
|
|
const width = Math.abs( geometry.width[ 2 ] );
|
|
const height = Math.abs( geometry.length[ 0 ] );
|
|
light.position.set( geometry.location[ 0 ] - ( height / 2 ), geometry.location[ 1 ], geometry.location[ 2 ] - ( width / 2 ) );
|
|
light.height = height;
|
|
light.width = width;
|
|
light.lookAt( geometry.direction[ 0 ], geometry.direction[ 1 ], geometry.direction[ 2 ] );
|
|
|
|
break;
|
|
|
|
case 'LightStyle_WorldDirectional':
|
|
|
|
light = new DirectionalLight();
|
|
light.castShadow = attributes.castsShadows;
|
|
light.position.set( geometry.location[ 0 ], geometry.location[ 1 ], geometry.location[ 2 ] );
|
|
light.target.position.set( geometry.direction[ 0 ], geometry.direction[ 1 ], geometry.direction[ 2 ] );
|
|
light.shadow.normalBias = 0.1;
|
|
|
|
break;
|
|
|
|
case 'LightStyle_WorldLinear':
|
|
// no conversion exists, warning has already been printed to the console
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
|
|
}
|
|
|
|
if ( light ) {
|
|
|
|
light.intensity = geometry.intensity;
|
|
_color = geometry.diffuse;
|
|
color = new Color( _color.r / 255.0, _color.g / 255.0, _color.b / 255.0 );
|
|
light.color = color;
|
|
light.userData[ 'attributes' ] = attributes;
|
|
light.userData[ 'objectType' ] = obj.objectType;
|
|
|
|
}
|
|
|
|
return light;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
_initLibrary() {
|
|
|
|
if ( ! this.libraryPending ) {
|
|
|
|
// Load rhino3dm wrapper.
|
|
const jsLoader = new FileLoader( this.manager );
|
|
jsLoader.setPath( this.libraryPath );
|
|
const jsContent = new Promise( ( resolve, reject ) => {
|
|
|
|
jsLoader.load( 'rhino3dm.js', resolve, undefined, reject );
|
|
|
|
} );
|
|
|
|
// Load rhino3dm WASM binary.
|
|
const binaryLoader = new FileLoader( this.manager );
|
|
binaryLoader.setPath( this.libraryPath );
|
|
binaryLoader.setResponseType( 'arraybuffer' );
|
|
const binaryContent = new Promise( ( resolve, reject ) => {
|
|
|
|
binaryLoader.load( 'rhino3dm.wasm', resolve, undefined, reject );
|
|
|
|
} );
|
|
|
|
this.libraryPending = Promise.all( [ jsContent, binaryContent ] )
|
|
.then( ( [ jsContent, binaryContent ] ) => {
|
|
|
|
//this.libraryBinary = binaryContent;
|
|
this.libraryConfig.wasmBinary = binaryContent;
|
|
|
|
const fn = Rhino3dmWorker.toString();
|
|
|
|
const body = [
|
|
'/* rhino3dm.js */',
|
|
jsContent,
|
|
'/* worker */',
|
|
fn.substring( fn.indexOf( '{' ) + 1, fn.lastIndexOf( '}' ) )
|
|
].join( '\n' );
|
|
|
|
this.workerSourceURL = URL.createObjectURL( new Blob( [ body ] ) );
|
|
|
|
} );
|
|
|
|
}
|
|
|
|
return this.libraryPending;
|
|
|
|
}
|
|
|
|
_getWorker( taskCost ) {
|
|
|
|
return this._initLibrary().then( () => {
|
|
|
|
if ( this.workerPool.length < this.workerLimit ) {
|
|
|
|
const worker = new Worker( this.workerSourceURL );
|
|
|
|
worker._callbacks = {};
|
|
worker._taskCosts = {};
|
|
worker._taskLoad = 0;
|
|
|
|
worker.postMessage( {
|
|
type: 'init',
|
|
libraryConfig: this.libraryConfig
|
|
} );
|
|
|
|
worker.onmessage = e => {
|
|
|
|
const message = e.data;
|
|
|
|
switch ( message.type ) {
|
|
|
|
case 'warning':
|
|
this.warnings.push( message.data );
|
|
console.warn( message.data );
|
|
break;
|
|
|
|
case 'decode':
|
|
worker._callbacks[ message.id ].resolve( message );
|
|
break;
|
|
|
|
case 'error':
|
|
worker._callbacks[ message.id ].reject( message );
|
|
break;
|
|
|
|
default:
|
|
console.error( 'THREE.Rhino3dmLoader: Unexpected message, "' + message.type + '"' );
|
|
|
|
}
|
|
|
|
};
|
|
|
|
this.workerPool.push( worker );
|
|
|
|
} else {
|
|
|
|
this.workerPool.sort( function ( a, b ) {
|
|
|
|
return a._taskLoad > b._taskLoad ? - 1 : 1;
|
|
|
|
} );
|
|
|
|
}
|
|
|
|
const worker = this.workerPool[ this.workerPool.length - 1 ];
|
|
|
|
worker._taskLoad += taskCost;
|
|
|
|
return worker;
|
|
|
|
} );
|
|
|
|
}
|
|
|
|
_releaseTask( worker, taskID ) {
|
|
|
|
worker._taskLoad -= worker._taskCosts[ taskID ];
|
|
delete worker._callbacks[ taskID ];
|
|
delete worker._taskCosts[ taskID ];
|
|
|
|
}
|
|
|
|
dispose() {
|
|
|
|
for ( let i = 0; i < this.workerPool.length; ++ i ) {
|
|
|
|
this.workerPool[ i ].terminate();
|
|
|
|
}
|
|
|
|
this.workerPool.length = 0;
|
|
|
|
return this;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
/* WEB WORKER */
|
|
|
|
function Rhino3dmWorker() {
|
|
|
|
let libraryPending;
|
|
let libraryConfig;
|
|
let rhino;
|
|
let taskID;
|
|
|
|
onmessage = function ( e ) {
|
|
|
|
const message = e.data;
|
|
|
|
switch ( message.type ) {
|
|
|
|
case 'init':
|
|
|
|
libraryConfig = message.libraryConfig;
|
|
const wasmBinary = libraryConfig.wasmBinary;
|
|
let RhinoModule;
|
|
libraryPending = new Promise( function ( resolve ) {
|
|
|
|
/* Like Basis Loader */
|
|
RhinoModule = { wasmBinary, onRuntimeInitialized: resolve };
|
|
|
|
rhino3dm( RhinoModule ); // eslint-disable-line no-undef
|
|
|
|
} ).then( () => {
|
|
|
|
rhino = RhinoModule;
|
|
|
|
} );
|
|
|
|
break;
|
|
|
|
case 'decode':
|
|
|
|
taskID = message.id;
|
|
const buffer = message.buffer;
|
|
libraryPending.then( () => {
|
|
|
|
try {
|
|
|
|
const data = decodeObjects( rhino, buffer );
|
|
self.postMessage( { type: 'decode', id: message.id, data } );
|
|
|
|
} catch ( error ) {
|
|
|
|
self.postMessage( { type: 'error', id: message.id, error } );
|
|
|
|
}
|
|
|
|
} );
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
};
|
|
|
|
function decodeObjects( rhino, buffer ) {
|
|
|
|
const arr = new Uint8Array( buffer );
|
|
const doc = rhino.File3dm.fromByteArray( arr );
|
|
|
|
const objects = [];
|
|
const materials = [];
|
|
const layers = [];
|
|
const views = [];
|
|
const namedViews = [];
|
|
const groups = [];
|
|
const strings = [];
|
|
|
|
//Handle objects
|
|
|
|
const objs = doc.objects();
|
|
const cnt = objs.count;
|
|
|
|
for ( let i = 0; i < cnt; i ++ ) {
|
|
|
|
const _object = objs.get( i );
|
|
|
|
const object = extractObjectData( _object, doc );
|
|
|
|
_object.delete();
|
|
|
|
if ( object ) {
|
|
|
|
objects.push( object );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// Handle instance definitions
|
|
// console.log( `Instance Definitions Count: ${doc.instanceDefinitions().count()}` );
|
|
|
|
for ( let i = 0; i < doc.instanceDefinitions().count; i ++ ) {
|
|
|
|
const idef = doc.instanceDefinitions().get( i );
|
|
const idefAttributes = extractProperties( idef );
|
|
idefAttributes.objectIds = idef.getObjectIds();
|
|
|
|
objects.push( { geometry: null, attributes: idefAttributes, objectType: 'InstanceDefinition' } );
|
|
|
|
}
|
|
|
|
// Handle materials
|
|
|
|
const textureTypes = [
|
|
// rhino.TextureType.Bitmap,
|
|
rhino.TextureType.Diffuse,
|
|
rhino.TextureType.Bump,
|
|
rhino.TextureType.Transparency,
|
|
rhino.TextureType.Opacity,
|
|
rhino.TextureType.Emap
|
|
];
|
|
|
|
const pbrTextureTypes = [
|
|
rhino.TextureType.PBR_BaseColor,
|
|
rhino.TextureType.PBR_Subsurface,
|
|
rhino.TextureType.PBR_SubsurfaceScattering,
|
|
rhino.TextureType.PBR_SubsurfaceScatteringRadius,
|
|
rhino.TextureType.PBR_Metallic,
|
|
rhino.TextureType.PBR_Specular,
|
|
rhino.TextureType.PBR_SpecularTint,
|
|
rhino.TextureType.PBR_Roughness,
|
|
rhino.TextureType.PBR_Anisotropic,
|
|
rhino.TextureType.PBR_Anisotropic_Rotation,
|
|
rhino.TextureType.PBR_Sheen,
|
|
rhino.TextureType.PBR_SheenTint,
|
|
rhino.TextureType.PBR_Clearcoat,
|
|
rhino.TextureType.PBR_ClearcoatBump,
|
|
rhino.TextureType.PBR_ClearcoatRoughness,
|
|
rhino.TextureType.PBR_OpacityIor,
|
|
rhino.TextureType.PBR_OpacityRoughness,
|
|
rhino.TextureType.PBR_Emission,
|
|
rhino.TextureType.PBR_AmbientOcclusion,
|
|
rhino.TextureType.PBR_Displacement
|
|
];
|
|
|
|
for ( let i = 0; i < doc.materials().count; i ++ ) {
|
|
|
|
const _material = doc.materials().get( i );
|
|
|
|
const material = extractProperties( _material );
|
|
|
|
const textures = [];
|
|
|
|
textures.push( ...extractTextures( _material, textureTypes, doc ) );
|
|
|
|
material.pbrSupported = _material.physicallyBased().supported;
|
|
|
|
if ( material.pbrSupported ) {
|
|
|
|
textures.push( ...extractTextures( _material, pbrTextureTypes, doc ) );
|
|
material.pbr = extractProperties( _material.physicallyBased() );
|
|
|
|
}
|
|
|
|
material.textures = textures;
|
|
|
|
materials.push( material );
|
|
|
|
_material.delete();
|
|
|
|
}
|
|
|
|
// Handle layers
|
|
|
|
for ( let i = 0; i < doc.layers().count; i ++ ) {
|
|
|
|
const _layer = doc.layers().get( i );
|
|
const layer = extractProperties( _layer );
|
|
|
|
layers.push( layer );
|
|
|
|
_layer.delete();
|
|
|
|
}
|
|
|
|
// Handle views
|
|
|
|
for ( let i = 0; i < doc.views().count; i ++ ) {
|
|
|
|
const _view = doc.views().get( i );
|
|
const view = extractProperties( _view );
|
|
|
|
views.push( view );
|
|
|
|
_view.delete();
|
|
|
|
}
|
|
|
|
// Handle named views
|
|
|
|
for ( let i = 0; i < doc.namedViews().count; i ++ ) {
|
|
|
|
const _namedView = doc.namedViews().get( i );
|
|
const namedView = extractProperties( _namedView );
|
|
|
|
namedViews.push( namedView );
|
|
|
|
_namedView.delete();
|
|
|
|
}
|
|
|
|
// Handle groups
|
|
|
|
for ( let i = 0; i < doc.groups().count; i ++ ) {
|
|
|
|
const _group = doc.groups().get( i );
|
|
const group = extractProperties( _group );
|
|
|
|
groups.push( group );
|
|
|
|
_group.delete();
|
|
|
|
}
|
|
|
|
// Handle settings
|
|
|
|
const settings = extractProperties( doc.settings() );
|
|
|
|
//TODO: Handle other document stuff like dimstyles, instance definitions, bitmaps etc.
|
|
|
|
// Handle dimstyles
|
|
// console.log( `Dimstyle Count: ${doc.dimstyles().count()}` );
|
|
|
|
// Handle bitmaps
|
|
// console.log( `Bitmap Count: ${doc.bitmaps().count()}` );
|
|
|
|
// Handle strings
|
|
// console.log( `Document Strings Count: ${doc.strings().count()}` );
|
|
// Note: doc.strings().documentUserTextCount() counts any doc.strings defined in a section
|
|
// console.log( `Document User Text Count: ${doc.strings().documentUserTextCount()}` );
|
|
|
|
const strings_count = doc.strings().count;
|
|
|
|
for ( let i = 0; i < strings_count; i ++ ) {
|
|
|
|
strings.push( doc.strings().get( i ) );
|
|
|
|
}
|
|
|
|
// Handle Render Environments for Material Environment
|
|
|
|
// get the id of the active render environment skylight, which we'll use for environment texture
|
|
const reflectionId = doc.settings().renderSettings().renderEnvironments.reflectionId;
|
|
|
|
const rc = doc.renderContent();
|
|
|
|
let renderEnvironment = null;
|
|
|
|
for ( let i = 0; i < rc.count; i ++ ) {
|
|
|
|
const content = rc.get( i );
|
|
|
|
switch ( content.kind ) {
|
|
|
|
case 'environment':
|
|
|
|
const id = content.id;
|
|
|
|
// there could be multiple render environments in a 3dm file
|
|
if ( id !== reflectionId ) break;
|
|
|
|
const renderTexture = content.findChild( 'texture' );
|
|
const fileName = renderTexture.fileName;
|
|
|
|
for ( let j = 0; j < doc.embeddedFiles().count; j ++ ) {
|
|
|
|
const _fileName = doc.embeddedFiles().get( j ).fileName;
|
|
|
|
if ( fileName === _fileName ) {
|
|
|
|
const background = doc.getEmbeddedFileAsBase64( fileName );
|
|
const backgroundImage = 'data:image/png;base64,' + background;
|
|
renderEnvironment = { type: 'renderEnvironment', image: backgroundImage, name: fileName };
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
// Handle Render Settings
|
|
|
|
const renderSettings = {
|
|
ambientLight: doc.settings().renderSettings().ambientLight,
|
|
backgroundColorTop: doc.settings().renderSettings().backgroundColorTop,
|
|
backgroundColorBottom: doc.settings().renderSettings().backgroundColorBottom,
|
|
useHiddenLights: doc.settings().renderSettings().useHiddenLights,
|
|
depthCue: doc.settings().renderSettings().depthCue,
|
|
flatShade: doc.settings().renderSettings().flatShade,
|
|
renderBackFaces: doc.settings().renderSettings().renderBackFaces,
|
|
renderPoints: doc.settings().renderSettings().renderPoints,
|
|
renderCurves: doc.settings().renderSettings().renderCurves,
|
|
renderIsoParams: doc.settings().renderSettings().renderIsoParams,
|
|
renderMeshEdges: doc.settings().renderSettings().renderMeshEdges,
|
|
renderAnnotations: doc.settings().renderSettings().renderAnnotations,
|
|
useViewportSize: doc.settings().renderSettings().useViewportSize,
|
|
scaleBackgroundToFit: doc.settings().renderSettings().scaleBackgroundToFit,
|
|
transparentBackground: doc.settings().renderSettings().transparentBackground,
|
|
imageDpi: doc.settings().renderSettings().imageDpi,
|
|
shadowMapLevel: doc.settings().renderSettings().shadowMapLevel,
|
|
namedView: doc.settings().renderSettings().namedView,
|
|
snapShot: doc.settings().renderSettings().snapShot,
|
|
specificViewport: doc.settings().renderSettings().specificViewport,
|
|
groundPlane: extractProperties( doc.settings().renderSettings().groundPlane ),
|
|
safeFrame: extractProperties( doc.settings().renderSettings().safeFrame ),
|
|
dithering: extractProperties( doc.settings().renderSettings().dithering ),
|
|
skylight: extractProperties( doc.settings().renderSettings().skylight ),
|
|
linearWorkflow: extractProperties( doc.settings().renderSettings().linearWorkflow ),
|
|
renderChannels: extractProperties( doc.settings().renderSettings().renderChannels ),
|
|
sun: extractProperties( doc.settings().renderSettings().sun ),
|
|
renderEnvironments: extractProperties( doc.settings().renderSettings().renderEnvironments ),
|
|
postEffects: extractProperties( doc.settings().renderSettings().postEffects ),
|
|
|
|
};
|
|
|
|
doc.delete();
|
|
|
|
return { objects, materials, layers, views, namedViews, groups, strings, settings, renderSettings, renderEnvironment };
|
|
|
|
}
|
|
|
|
function extractTextures( m, tTypes, d ) {
|
|
|
|
const textures = [];
|
|
|
|
for ( let i = 0; i < tTypes.length; i ++ ) {
|
|
|
|
const _texture = m.getTexture( tTypes[ i ] );
|
|
if ( _texture ) {
|
|
|
|
let textureType = tTypes[ i ].constructor.name;
|
|
textureType = textureType.substring( 12, textureType.length );
|
|
const texture = extractTextureData( _texture, textureType, d );
|
|
textures.push( texture );
|
|
_texture.delete();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return textures;
|
|
|
|
}
|
|
|
|
function extractTextureData( t, tType, d ) {
|
|
|
|
const texture = { type: tType };
|
|
|
|
const image = d.getEmbeddedFileAsBase64( t.fileName );
|
|
|
|
texture.wrapU = t.wrapU;
|
|
texture.wrapV = t.wrapV;
|
|
texture.wrapW = t.wrapW;
|
|
const uvw = t.uvwTransform.toFloatArray( true );
|
|
|
|
texture.repeat = [ uvw[ 0 ], uvw[ 5 ] ];
|
|
|
|
if ( image ) {
|
|
|
|
texture.image = 'data:image/png;base64,' + image;
|
|
|
|
} else {
|
|
|
|
self.postMessage( { type: 'warning', id: taskID, data: {
|
|
message: `THREE.3DMLoader: Image for ${tType} texture not embedded in file.`,
|
|
type: 'missing resource'
|
|
}
|
|
|
|
} );
|
|
|
|
texture.image = null;
|
|
|
|
}
|
|
|
|
return texture;
|
|
|
|
}
|
|
|
|
function extractObjectData( object, doc ) {
|
|
|
|
const _geometry = object.geometry();
|
|
const _attributes = object.attributes();
|
|
let objectType = _geometry.objectType;
|
|
let geometry, attributes, position, data, mesh;
|
|
|
|
// skip instance definition objects
|
|
//if( _attributes.isInstanceDefinitionObject ) { continue; }
|
|
|
|
// TODO: handle other geometry types
|
|
switch ( objectType ) {
|
|
|
|
case rhino.ObjectType.Curve:
|
|
|
|
const pts = curveToPoints( _geometry, 100 );
|
|
|
|
position = {};
|
|
attributes = {};
|
|
data = {};
|
|
|
|
position.itemSize = 3;
|
|
position.type = 'Float32Array';
|
|
position.array = [];
|
|
|
|
for ( let j = 0; j < pts.length; j ++ ) {
|
|
|
|
position.array.push( pts[ j ][ 0 ] );
|
|
position.array.push( pts[ j ][ 1 ] );
|
|
position.array.push( pts[ j ][ 2 ] );
|
|
|
|
}
|
|
|
|
attributes.position = position;
|
|
data.attributes = attributes;
|
|
|
|
geometry = { data };
|
|
|
|
break;
|
|
|
|
case rhino.ObjectType.Point:
|
|
|
|
const pt = _geometry.location;
|
|
|
|
position = {};
|
|
const color = {};
|
|
attributes = {};
|
|
data = {};
|
|
|
|
position.itemSize = 3;
|
|
position.type = 'Float32Array';
|
|
position.array = [ pt[ 0 ], pt[ 1 ], pt[ 2 ] ];
|
|
|
|
const _color = _attributes.drawColor( doc );
|
|
|
|
color.itemSize = 3;
|
|
color.type = 'Float32Array';
|
|
color.array = [ _color.r / 255.0, _color.g / 255.0, _color.b / 255.0 ];
|
|
|
|
attributes.position = position;
|
|
attributes.color = color;
|
|
data.attributes = attributes;
|
|
|
|
geometry = { data };
|
|
|
|
break;
|
|
|
|
case rhino.ObjectType.PointSet:
|
|
case rhino.ObjectType.Mesh:
|
|
|
|
geometry = _geometry.toThreejsJSON();
|
|
|
|
break;
|
|
|
|
case rhino.ObjectType.Brep:
|
|
|
|
const faces = _geometry.faces();
|
|
mesh = new rhino.Mesh();
|
|
|
|
for ( let faceIndex = 0; faceIndex < faces.count; faceIndex ++ ) {
|
|
|
|
const face = faces.get( faceIndex );
|
|
const _mesh = face.getMesh( rhino.MeshType.Any );
|
|
|
|
if ( _mesh ) {
|
|
|
|
mesh.append( _mesh );
|
|
_mesh.delete();
|
|
|
|
}
|
|
|
|
face.delete();
|
|
|
|
}
|
|
|
|
if ( mesh.faces().count > 0 ) {
|
|
|
|
mesh.compact();
|
|
geometry = mesh.toThreejsJSON();
|
|
faces.delete();
|
|
|
|
}
|
|
|
|
mesh.delete();
|
|
|
|
break;
|
|
|
|
case rhino.ObjectType.Extrusion:
|
|
|
|
mesh = _geometry.getMesh( rhino.MeshType.Any );
|
|
|
|
if ( mesh ) {
|
|
|
|
geometry = mesh.toThreejsJSON();
|
|
mesh.delete();
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case rhino.ObjectType.TextDot:
|
|
|
|
geometry = extractProperties( _geometry );
|
|
|
|
break;
|
|
|
|
case rhino.ObjectType.Light:
|
|
|
|
geometry = extractProperties( _geometry );
|
|
|
|
if ( geometry.lightStyle.name === 'LightStyle_WorldLinear' ) {
|
|
|
|
self.postMessage( { type: 'warning', id: taskID, data: {
|
|
message: `THREE.3DMLoader: No conversion exists for ${objectType.constructor.name} ${geometry.lightStyle.name}`,
|
|
type: 'no conversion',
|
|
guid: _attributes.id
|
|
}
|
|
|
|
} );
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
case rhino.ObjectType.InstanceReference:
|
|
|
|
geometry = extractProperties( _geometry );
|
|
geometry.xform = extractProperties( _geometry.xform );
|
|
geometry.xform.array = _geometry.xform.toFloatArray( true );
|
|
|
|
break;
|
|
|
|
case rhino.ObjectType.SubD:
|
|
|
|
// TODO: precalculate resulting vertices and faces and warn on excessive results
|
|
_geometry.subdivide( 3 );
|
|
mesh = rhino.Mesh.createFromSubDControlNet( _geometry, false );
|
|
if ( mesh ) {
|
|
|
|
geometry = mesh.toThreejsJSON();
|
|
mesh.delete();
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
/*
|
|
case rhino.ObjectType.Annotation:
|
|
case rhino.ObjectType.Hatch:
|
|
case rhino.ObjectType.ClipPlane:
|
|
*/
|
|
|
|
default:
|
|
|
|
self.postMessage( { type: 'warning', id: taskID, data: {
|
|
message: `THREE.3DMLoader: Conversion not implemented for ${objectType.constructor.name}`,
|
|
type: 'not implemented',
|
|
guid: _attributes.id
|
|
}
|
|
|
|
} );
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
if ( geometry ) {
|
|
|
|
attributes = extractProperties( _attributes );
|
|
attributes.geometry = extractProperties( _geometry );
|
|
|
|
if ( _attributes.groupCount > 0 ) {
|
|
|
|
attributes.groupIds = _attributes.getGroupList();
|
|
|
|
}
|
|
|
|
if ( _attributes.userStringCount > 0 ) {
|
|
|
|
attributes.userStrings = _attributes.getUserStrings();
|
|
|
|
}
|
|
|
|
if ( _geometry.userStringCount > 0 ) {
|
|
|
|
attributes.geometry.userStrings = _geometry.getUserStrings();
|
|
|
|
}
|
|
|
|
if ( _attributes.decals().count > 0 ) {
|
|
|
|
self.postMessage( { type: 'warning', id: taskID, data: {
|
|
message: 'THREE.3DMLoader: No conversion exists for the decals associated with this object.',
|
|
type: 'no conversion',
|
|
guid: _attributes.id
|
|
}
|
|
|
|
} );
|
|
|
|
}
|
|
|
|
attributes.drawColor = _attributes.drawColor( doc );
|
|
|
|
objectType = objectType.constructor.name;
|
|
objectType = objectType.substring( 11, objectType.length );
|
|
|
|
return { geometry, attributes, objectType };
|
|
|
|
} else {
|
|
|
|
self.postMessage( { type: 'warning', id: taskID, data: {
|
|
message: `THREE.3DMLoader: ${objectType.constructor.name} has no associated mesh geometry.`,
|
|
type: 'missing mesh',
|
|
guid: _attributes.id
|
|
}
|
|
|
|
} );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
function extractProperties( object ) {
|
|
|
|
const result = {};
|
|
|
|
for ( const property in object ) {
|
|
|
|
const value = object[ property ];
|
|
|
|
if ( typeof value !== 'function' ) {
|
|
|
|
if ( typeof value === 'object' && value !== null && value.hasOwnProperty( 'constructor' ) ) {
|
|
|
|
result[ property ] = { name: value.constructor.name, value: value.value };
|
|
|
|
} else if ( typeof value === 'object' && value !== null ) {
|
|
|
|
result[ property ] = extractProperties( value );
|
|
|
|
} else {
|
|
|
|
result[ property ] = value;
|
|
|
|
}
|
|
|
|
} else {
|
|
|
|
// these are functions that could be called to extract more data.
|
|
//console.log( `${property}: ${object[ property ].constructor.name}` );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
function curveToPoints( curve, pointLimit ) {
|
|
|
|
let pointCount = pointLimit;
|
|
let rc = [];
|
|
const ts = [];
|
|
|
|
if ( curve instanceof rhino.LineCurve ) {
|
|
|
|
return [ curve.pointAtStart, curve.pointAtEnd ];
|
|
|
|
}
|
|
|
|
if ( curve instanceof rhino.PolylineCurve ) {
|
|
|
|
pointCount = curve.pointCount;
|
|
for ( let i = 0; i < pointCount; i ++ ) {
|
|
|
|
rc.push( curve.point( i ) );
|
|
|
|
}
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
if ( curve instanceof rhino.PolyCurve ) {
|
|
|
|
const segmentCount = curve.segmentCount;
|
|
|
|
for ( let i = 0; i < segmentCount; i ++ ) {
|
|
|
|
const segment = curve.segmentCurve( i );
|
|
const segmentArray = curveToPoints( segment, pointCount );
|
|
rc = rc.concat( segmentArray );
|
|
segment.delete();
|
|
|
|
}
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
if ( curve instanceof rhino.ArcCurve ) {
|
|
|
|
pointCount = Math.floor( curve.angleDegrees / 5 );
|
|
pointCount = pointCount < 2 ? 2 : pointCount;
|
|
// alternative to this hardcoded version: https://stackoverflow.com/a/18499923/2179399
|
|
|
|
}
|
|
|
|
if ( curve instanceof rhino.NurbsCurve && curve.degree === 1 ) {
|
|
|
|
const pLine = curve.tryGetPolyline();
|
|
|
|
for ( let i = 0; i < pLine.count; i ++ ) {
|
|
|
|
rc.push( pLine.get( i ) );
|
|
|
|
}
|
|
|
|
pLine.delete();
|
|
|
|
return rc;
|
|
|
|
}
|
|
|
|
const domain = curve.domain;
|
|
const divisions = pointCount - 1.0;
|
|
|
|
for ( let j = 0; j < pointCount; j ++ ) {
|
|
|
|
const t = domain[ 0 ] + ( j / divisions ) * ( domain[ 1 ] - domain[ 0 ] );
|
|
|
|
if ( t === domain[ 0 ] || t === domain[ 1 ] ) {
|
|
|
|
ts.push( t );
|
|
continue;
|
|
|
|
}
|
|
|
|
const tan = curve.tangentAt( t );
|
|
const prevTan = curve.tangentAt( ts.slice( - 1 )[ 0 ] );
|
|
|
|
// Duplicated from THREE.Vector3
|
|
// How to pass imports to worker?
|
|
|
|
const tS = tan[ 0 ] * tan[ 0 ] + tan[ 1 ] * tan[ 1 ] + tan[ 2 ] * tan[ 2 ];
|
|
const ptS = prevTan[ 0 ] * prevTan[ 0 ] + prevTan[ 1 ] * prevTan[ 1 ] + prevTan[ 2 ] * prevTan[ 2 ];
|
|
|
|
const denominator = Math.sqrt( tS * ptS );
|
|
|
|
let angle;
|
|
|
|
if ( denominator === 0 ) {
|
|
|
|
angle = Math.PI / 2;
|
|
|
|
} else {
|
|
|
|
const theta = ( tan.x * prevTan.x + tan.y * prevTan.y + tan.z * prevTan.z ) / denominator;
|
|
angle = Math.acos( Math.max( - 1, Math.min( 1, theta ) ) );
|
|
|
|
}
|
|
|
|
if ( angle < 0.1 ) continue;
|
|
|
|
ts.push( t );
|
|
|
|
}
|
|
|
|
rc = ts.map( t => curve.pointAt( t ) );
|
|
return rc;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
export { Rhino3dmLoader };
|