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1357 lines
31 KiB
1357 lines
31 KiB
( function () {
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const _taskCache = new WeakMap();
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class Rhino3dmLoader extends THREE.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 THREE.FileLoader( this.manager );
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loader.setPath( this.path );
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loader.setResponseType( 'arraybuffer' );
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loader.setRequestHeader( this.requestHeader );
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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 ).then( result => {
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result.userData.warnings = this.warnings;
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onLoad( result );
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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 ).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 ] = {
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resolve,
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reject
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};
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worker.postMessage( {
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type: 'decode',
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id: taskID,
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buffer
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}, [ buffer ] ); // this.debug();
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} );
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} ).then( message => this._createGeometry( message.data ) ).catch( e => {
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throw e;
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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.catch( () => true ).then( () => {
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if ( worker && taskID ) {
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this._releaseTask( worker, taskID ); //this.debug();
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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, '' ).then( result => {
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result.userData.warnings = this.warnings;
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onLoad( result );
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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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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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if ( JSON.stringify( mat ) === JSON.stringify( _mat ) ) {
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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 ) {
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if ( material === undefined ) {
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return new THREE.MeshStandardMaterial( {
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color: new THREE.Color( 1, 1, 1 ),
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metalness: 0.8,
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name: 'default',
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side: 2
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} );
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}
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const _diffuseColor = material.diffuseColor;
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const diffusecolor = new THREE.Color( _diffuseColor.r / 255.0, _diffuseColor.g / 255.0, _diffuseColor.b / 255.0 );
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if ( _diffuseColor.r === 0 && _diffuseColor.g === 0 && _diffuseColor.b === 0 ) {
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diffusecolor.r = 1;
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diffusecolor.g = 1;
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diffusecolor.b = 1;
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} // console.log( material );
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const mat = new THREE.MeshStandardMaterial( {
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color: diffusecolor,
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name: material.name,
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side: 2,
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transparent: material.transparency > 0 ? true : false,
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opacity: 1.0 - material.transparency
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} );
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const textureLoader = new THREE.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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switch ( texture.type ) {
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case 'Diffuse':
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mat.map = map;
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break;
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case 'Bump':
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mat.bumpMap = 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 'Emap':
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mat.envMap = map;
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break;
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}
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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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// console.log(data);
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const object = new THREE.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[ '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 _object;
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if ( attributes.materialIndex >= 0 ) {
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const rMaterial = materials[ attributes.materialIndex ];
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let material = this._createMaterial( rMaterial );
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material = this._compareMaterials( material );
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_object = this._createObject( obj, material );
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} else {
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const material = this._createMaterial();
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_object = this._createObject( obj, material );
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}
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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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} // 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 THREE.Object3D();
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const xf = iRef.geometry.xform.array;
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const matrix = new THREE.Matrix4();
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matrix.set( xf[ 0 ], xf[ 1 ], xf[ 2 ], xf[ 3 ], xf[ 4 ], xf[ 5 ], xf[ 6 ], xf[ 7 ], xf[ 8 ], xf[ 9 ], xf[ 10 ], xf[ 11 ], xf[ 12 ], xf[ 13 ], xf[ 14 ], xf[ 15 ] );
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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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return object;
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}
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_createObject( obj, mat ) {
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const loader = new THREE.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 THREE.PointsMaterial( {
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vertexColors: true,
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sizeAttenuation: false,
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size: 2
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} );
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} else {
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_color = attributes.drawColor;
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color = new THREE.Color( _color.r / 255.0, _color.g / 255.0, _color.b / 255.0 );
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material = new THREE.PointsMaterial( {
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color: color,
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sizeAttenuation: false,
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size: 2
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} );
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}
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material = this._compareMaterials( material );
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const points = new THREE.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 ( geometry.attributes.hasOwnProperty( 'color' ) ) {
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mat.vertexColors = true;
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}
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if ( mat === null ) {
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mat = this._createMaterial();
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mat = this._compareMaterials( mat );
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}
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const mesh = new THREE.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;
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}
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return mesh;
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case 'Curve':
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geometry = loader.parse( obj.geometry );
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_color = attributes.drawColor;
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color = new THREE.Color( _color.r / 255.0, _color.g / 255.0, _color.b / 255.0 );
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material = new THREE.LineBasicMaterial( {
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color: color
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} );
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material = this._compareMaterials( material );
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const lines = new THREE.Line( geometry, material );
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lines.userData[ 'attributes' ] = attributes;
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lines.userData[ 'objectType' ] = obj.objectType;
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if ( attributes.name ) {
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lines.name = attributes.name;
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}
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return lines;
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case 'TextDot':
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geometry = obj.geometry;
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const ctx = document.createElement( 'canvas' ).getContext( '2d' );
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const font = `${geometry.fontHeight}px ${geometry.fontFace}`;
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ctx.font = font;
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const width = ctx.measureText( geometry.text ).width + 10;
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const height = geometry.fontHeight + 10;
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const r = window.devicePixelRatio;
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ctx.canvas.width = width * r;
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ctx.canvas.height = height * r;
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ctx.canvas.style.width = width + 'px';
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ctx.canvas.style.height = height + 'px';
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ctx.setTransform( r, 0, 0, r, 0, 0 );
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ctx.font = font;
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ctx.textBaseline = 'middle';
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ctx.textAlign = 'center';
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color = attributes.drawColor;
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ctx.fillStyle = `rgba(${color.r},${color.g},${color.b},${color.a})`;
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ctx.fillRect( 0, 0, width, height );
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ctx.fillStyle = 'white';
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ctx.fillText( geometry.text, width / 2, height / 2 );
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const texture = new THREE.CanvasTexture( ctx.canvas );
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texture.minFilter = THREE.LinearFilter;
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texture.wrapS = THREE.ClampToEdgeWrapping;
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texture.wrapT = THREE.ClampToEdgeWrapping;
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material = new THREE.SpriteMaterial( {
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map: texture,
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depthTest: false
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} );
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const sprite = new THREE.Sprite( material );
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sprite.position.set( geometry.point[ 0 ], geometry.point[ 1 ], geometry.point[ 2 ] );
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sprite.scale.set( width / 10, height / 10, 1.0 );
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sprite.userData[ 'attributes' ] = attributes;
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sprite.userData[ 'objectType' ] = obj.objectType;
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if ( attributes.name ) {
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sprite.name = attributes.name;
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}
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return sprite;
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case 'Light':
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geometry = obj.geometry;
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let light;
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switch ( geometry.lightStyle.name ) {
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case 'LightStyle_WorldPoint':
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light = new THREE.PointLight();
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light.castShadow = attributes.castsShadows;
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light.position.set( geometry.location[ 0 ], geometry.location[ 1 ], geometry.location[ 2 ] );
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light.shadow.normalBias = 0.1;
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break;
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case 'LightStyle_WorldSpot':
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light = new THREE.SpotLight();
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light.castShadow = attributes.castsShadows;
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light.position.set( geometry.location[ 0 ], geometry.location[ 1 ], geometry.location[ 2 ] );
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light.target.position.set( geometry.direction[ 0 ], geometry.direction[ 1 ], geometry.direction[ 2 ] );
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light.angle = geometry.spotAngleRadians;
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light.shadow.normalBias = 0.1;
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break;
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case 'LightStyle_WorldRectangular':
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light = new THREE.RectAreaLight();
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const width = Math.abs( geometry.width[ 2 ] );
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const height = Math.abs( geometry.length[ 0 ] );
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light.position.set( geometry.location[ 0 ] - height / 2, geometry.location[ 1 ], geometry.location[ 2 ] - width / 2 );
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light.height = height;
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light.width = width;
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|
light.lookAt( new THREE.Vector3( geometry.direction[ 0 ], geometry.direction[ 1 ], geometry.direction[ 2 ] ) );
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break;
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case 'LightStyle_WorldDirectional':
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light = new THREE.DirectionalLight();
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light.castShadow = attributes.castsShadows;
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light.position.set( geometry.location[ 0 ], geometry.location[ 1 ], geometry.location[ 2 ] );
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light.target.position.set( geometry.direction[ 0 ], geometry.direction[ 1 ], geometry.direction[ 2 ] );
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light.shadow.normalBias = 0.1;
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break;
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case 'LightStyle_WorldLinear':
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|
// not conversion exists, warning has already been printed to the console
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break;
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default:
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break;
|
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}
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|
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if ( light ) {
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light.intensity = geometry.intensity;
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_color = geometry.diffuse;
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color = new THREE.Color( _color.r / 255.0, _color.g / 255.0, _color.b / 255.0 );
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|
light.color = color;
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|
light.userData[ 'attributes' ] = attributes;
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|
light.userData[ 'objectType' ] = obj.objectType;
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}
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return light;
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}
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|
|
|
}
|
|
|
|
_initLibrary() {
|
|
|
|
if ( ! this.libraryPending ) {
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|
|
|
// Load rhino3dm wrapper.
|
|
const jsLoader = new THREE.FileLoader( this.manager );
|
|
jsLoader.setPath( this.libraryPath );
|
|
const jsContent = new Promise( ( resolve, reject ) => {
|
|
|
|
jsLoader.load( 'rhino3dm.js', resolve, undefined, reject );
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|
|
|
} ); // Load rhino3dm WASM binary.
|
|
|
|
const binaryLoader = new THREE.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':
|
|
// console.log(message)
|
|
libraryConfig = message.libraryConfig;
|
|
const wasmBinary = libraryConfig.wasmBinary;
|
|
let RhinoModule;
|
|
libraryPending = new Promise( function ( resolve ) {
|
|
|
|
/* Like Basis THREE.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 = []; //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 _pbrMaterial = _material.physicallyBased();
|
|
|
|
let material = extractProperties( _material );
|
|
const textures = [];
|
|
|
|
for ( let j = 0; j < textureTypes.length; j ++ ) {
|
|
|
|
const _texture = _material.getTexture( textureTypes[ j ] );
|
|
|
|
if ( _texture ) {
|
|
|
|
let textureType = textureTypes[ j ].constructor.name;
|
|
textureType = textureType.substring( 12, textureType.length );
|
|
const texture = {
|
|
type: textureType
|
|
};
|
|
const image = doc.getEmbeddedFileAsBase64( _texture.fileName );
|
|
|
|
if ( image ) {
|
|
|
|
texture.image = 'data:image/png;base64,' + image;
|
|
|
|
} else {
|
|
|
|
self.postMessage( {
|
|
type: 'warning',
|
|
id: taskID,
|
|
data: {
|
|
message: `THREE.3DMLoader: Image for ${textureType} texture not embedded in file.`,
|
|
type: 'missing resource'
|
|
}
|
|
} );
|
|
texture.image = null;
|
|
|
|
}
|
|
|
|
textures.push( texture );
|
|
|
|
_texture.delete();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
material.textures = textures;
|
|
|
|
if ( _pbrMaterial.supported ) {
|
|
|
|
for ( let j = 0; j < pbrTextureTypes.length; j ++ ) {
|
|
|
|
const _texture = _material.getTexture( pbrTextureTypes[ j ] );
|
|
|
|
if ( _texture ) {
|
|
|
|
const image = doc.getEmbeddedFileAsBase64( _texture.fileName );
|
|
let textureType = pbrTextureTypes[ j ].constructor.name;
|
|
textureType = textureType.substring( 12, textureType.length );
|
|
const texture = {
|
|
type: textureType,
|
|
image: 'data:image/png;base64,' + image
|
|
};
|
|
textures.push( texture );
|
|
|
|
_texture.delete();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
const pbMaterialProperties = extractProperties( _material.physicallyBased() );
|
|
material = Object.assign( pbMaterialProperties, material );
|
|
|
|
}
|
|
|
|
materials.push( material );
|
|
|
|
_material.delete();
|
|
|
|
_pbrMaterial.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 -- this seems to be broken at the moment in rhino3dm
|
|
// console.log( `Document Strings Count: ${doc.strings().count()}` );
|
|
|
|
/*
|
|
for( var i = 0; i < doc.strings().count(); i++ ){
|
|
var _string= doc.strings().get( i );
|
|
console.log(_string);
|
|
var string = extractProperties( _group );
|
|
strings.push( string );
|
|
_string.delete();
|
|
}
|
|
*/
|
|
|
|
doc.delete();
|
|
return {
|
|
objects,
|
|
materials,
|
|
layers,
|
|
views,
|
|
namedViews,
|
|
groups,
|
|
settings
|
|
};
|
|
|
|
}
|
|
|
|
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 );
|
|
|
|
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();
|
|
|
|
}
|
|
|
|
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: ${objectType.constructor.name} has no associated mesh geometry.`,
|
|
type: 'missing mesh',
|
|
guid: _attributes.id
|
|
}
|
|
} );
|
|
|
|
}
|
|
|
|
}
|
|
|
|
function extractProperties( object ) {
|
|
|
|
const result = {};
|
|
|
|
for ( const property in object ) {
|
|
|
|
const value = object[ property ];
|
|
|
|
if ( typeof value !== 'function' ) {
|
|
|
|
if ( typeof value === 'object' && value !== null && value.hasOwnProperty( 'constructor' ) ) {
|
|
|
|
result[ property ] = {
|
|
name: value.constructor.name,
|
|
value: value.value
|
|
};
|
|
|
|
} else {
|
|
|
|
result[ property ] = value;
|
|
|
|
}
|
|
|
|
} else { // these are functions that could be called to extract more data.
|
|
//console.log( `${property}: ${object[ property ].constructor.name}` );
|
|
}
|
|
|
|
}
|
|
|
|
return result;
|
|
|
|
}
|
|
|
|
function curveToPoints( curve, pointLimit ) {
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let pointCount = pointLimit;
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let rc = [];
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const ts = [];
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if ( curve instanceof rhino.LineCurve ) {
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return [ curve.pointAtStart, curve.pointAtEnd ];
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}
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if ( curve instanceof rhino.PolylineCurve ) {
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pointCount = curve.pointCount;
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for ( let i = 0; i < pointCount; i ++ ) {
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rc.push( curve.point( i ) );
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}
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return rc;
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}
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if ( curve instanceof rhino.PolyCurve ) {
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const segmentCount = curve.segmentCount;
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for ( let i = 0; i < segmentCount; i ++ ) {
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const segment = curve.segmentCurve( i );
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const segmentArray = curveToPoints( segment, pointCount );
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rc = rc.concat( segmentArray );
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segment.delete();
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}
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return rc;
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}
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if ( curve instanceof rhino.ArcCurve ) {
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pointCount = Math.floor( curve.angleDegrees / 5 );
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pointCount = pointCount < 2 ? 2 : pointCount; // alternative to this hardcoded version: https://stackoverflow.com/a/18499923/2179399
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}
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if ( curve instanceof rhino.NurbsCurve && curve.degree === 1 ) {
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const pLine = curve.tryGetPolyline();
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for ( let i = 0; i < pLine.count; i ++ ) {
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rc.push( pLine.get( i ) );
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}
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pLine.delete();
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return rc;
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}
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const domain = curve.domain;
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const divisions = pointCount - 1.0;
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for ( let j = 0; j < pointCount; j ++ ) {
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const t = domain[ 0 ] + j / divisions * ( domain[ 1 ] - domain[ 0 ] );
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if ( t === domain[ 0 ] || t === domain[ 1 ] ) {
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ts.push( t );
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continue;
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}
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const tan = curve.tangentAt( t );
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const prevTan = curve.tangentAt( ts.slice( - 1 )[ 0 ] ); // Duplicated from THREE.Vector3
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// How to pass imports to worker?
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const tS = tan[ 0 ] * tan[ 0 ] + tan[ 1 ] * tan[ 1 ] + tan[ 2 ] * tan[ 2 ];
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const ptS = prevTan[ 0 ] * prevTan[ 0 ] + prevTan[ 1 ] * prevTan[ 1 ] + prevTan[ 2 ] * prevTan[ 2 ];
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const denominator = Math.sqrt( tS * ptS );
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let angle;
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if ( denominator === 0 ) {
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angle = Math.PI / 2;
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} else {
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const theta = ( tan.x * prevTan.x + tan.y * prevTan.y + tan.z * prevTan.z ) / denominator;
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angle = Math.acos( Math.max( - 1, Math.min( 1, theta ) ) );
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}
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if ( angle < 0.1 ) continue;
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ts.push( t );
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}
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rc = ts.map( t => curve.pointAt( t ) );
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return rc;
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}
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}
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THREE.Rhino3dmLoader = Rhino3dmLoader;
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} )();
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