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3DMLoader.js
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3DMLoader.js
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import {
BufferGeometryLoader,
CanvasTexture,
ClampToEdgeWrapping,
Color,
DirectionalLight,
DoubleSide,
FileLoader,
LinearFilter,
Line,
LineBasicMaterial,
Loader,
Matrix4,
Mesh,
MeshPhysicalMaterial,
MeshStandardMaterial,
Object3D,
PointLight,
Points,
PointsMaterial,
RectAreaLight,
RepeatWrapping,
SpotLight,
Sprite,
SpriteMaterial,
TextureLoader
} from 'three';
import { EXRLoader } from '../loaders/EXRLoader.js';
const _taskCache = new WeakMap();
class Rhino3dmLoader extends Loader {
constructor( manager ) {
super( manager );
this.libraryPath = '';
this.libraryPending = null;
this.libraryBinary = null;
this.libraryConfig = {};
this.url = '';
this.workerLimit = 4;
this.workerPool = [];
this.workerNextTaskID = 1;
this.workerSourceURL = '';
this.workerConfig = {};
this.materials = [];
this.warnings = [];
}
setLibraryPath( path ) {
this.libraryPath = path;
return this;
}
setWorkerLimit( workerLimit ) {
this.workerLimit = workerLimit;
return this;
}
load( url, onLoad, onProgress, onError ) {
const loader = new FileLoader( this.manager );
loader.setPath( this.path );
loader.setResponseType( 'arraybuffer' );
loader.setRequestHeader( this.requestHeader );
this.url = url;
loader.load( url, ( buffer ) => {
// Check for an existing task using this buffer. A transferred buffer cannot be transferred
// again from this thread.
if ( _taskCache.has( buffer ) ) {
const cachedTask = _taskCache.get( buffer );
return cachedTask.promise.then( onLoad ).catch( onError );
}
this.decodeObjects( buffer, url )
.then( result => {
result.userData.warnings = this.warnings;
onLoad( result );
} )
.catch( e => onError( e ) );
}, onProgress, onError );
}
debug() {
console.log( 'Task load: ', this.workerPool.map( ( worker ) => worker._taskLoad ) );
}
decodeObjects( buffer, url ) {
let worker;
let taskID;
const taskCost = buffer.byteLength;
const objectPending = this._getWorker( taskCost )
.then( ( _worker ) => {
worker = _worker;
taskID = this.workerNextTaskID ++;
return new Promise( ( resolve, reject ) => {
worker._callbacks[ taskID ] = { resolve, reject };
worker.postMessage( { type: 'decode', id: taskID, buffer }, [ buffer ] );
// this.debug();
} );
} )
.then( ( message ) => this._createGeometry( message.data ) )
.catch( e => {
throw e;
} );
// Remove task from the task list.
// Note: replaced '.finally()' with '.catch().then()' block - iOS 11 support (#19416)
objectPending
.catch( () => true )
.then( () => {
if ( worker && taskID ) {
this._releaseTask( worker, taskID );
//this.debug();
}
} );
// Cache the task result.
_taskCache.set( buffer, {
url: url,
promise: objectPending
} );
return objectPending;
}
parse( data, onLoad, onError ) {
this.decodeObjects( data, '' )
.then( result => {
result.userData.warnings = this.warnings;
onLoad( result );
} )
.catch( e => onError( e ) );
}
_compareMaterials( material ) {
const mat = {};
mat.name = material.name;
mat.color = {};
mat.color.r = material.color.r;
mat.color.g = material.color.g;
mat.color.b = material.color.b;
mat.type = material.type;
mat.vertexColors = material.vertexColors;
const json = JSON.stringify( mat );
for ( let i = 0; i < this.materials.length; i ++ ) {
const m = this.materials[ i ];
const _mat = {};
_mat.name = m.name;
_mat.color = {};
_mat.color.r = m.color.r;
_mat.color.g = m.color.g;
_mat.color.b = m.color.b;
_mat.type = m.type;
_mat.vertexColors = m.vertexColors;
if ( JSON.stringify( _mat ) === json ) {
return m;
}
}
this.materials.push( material );
return material;
}
_createMaterial( material, renderEnvironment ) {
if ( material === undefined ) {
return new MeshStandardMaterial( {
color: new Color( 1, 1, 1 ),
metalness: 0.8,
name: Loader.DEFAULT_MATERIAL_NAME,
side: DoubleSide
} );
}
//console.log(material)
const mat = new MeshPhysicalMaterial( {
color: new Color( material.diffuseColor.r / 255.0, material.diffuseColor.g / 255.0, material.diffuseColor.b / 255.0 ),
emissive: new Color( material.emissionColor.r, material.emissionColor.g, material.emissionColor.b ),
flatShading: material.disableLighting,
ior: material.indexOfRefraction,
name: material.name,
reflectivity: material.reflectivity,
opacity: 1.0 - material.transparency,
side: DoubleSide,
specularColor: material.specularColor,
transparent: material.transparency > 0 ? true : false
} );
mat.userData.id = material.id;
if ( material.pbrSupported ) {
const pbr = material.pbr;
mat.anisotropy = pbr.anisotropic;
mat.anisotropyRotation = pbr.anisotropicRotation;
mat.color = new Color( pbr.baseColor.r, pbr.baseColor.g, pbr.baseColor.b );
mat.clearcoat = pbr.clearcoat;
mat.clearcoatRoughness = pbr.clearcoatRoughness;
mat.metalness = pbr.metallic;
mat.transmission = 1 - pbr.opacity;
mat.roughness = pbr.roughness;
mat.sheen = pbr.sheen;
mat.specularIntensity = pbr.specular;
mat.thickness = pbr.subsurface;
}
if ( material.pbrSupported && material.pbr.opacity === 0 && material.transparency === 1 ) {
//some compromises
mat.opacity = 0.2;
mat.transmission = 1.00;
}
const textureLoader = new TextureLoader();
for ( let i = 0; i < material.textures.length; i ++ ) {
const texture = material.textures[ i ];
if ( texture.image !== null ) {
const map = textureLoader.load( texture.image );
//console.log(texture.type )
switch ( texture.type ) {
case 'Bump':
mat.bumpMap = map;
break;
case 'Diffuse':
mat.map = map;
break;
case 'Emap':
mat.envMap = map;
break;
case 'Opacity':
mat.transmissionMap = map;
break;
case 'Transparency':
mat.alphaMap = map;
mat.transparent = true;
break;
case 'PBR_Alpha':
mat.alphaMap = map;
mat.transparent = true;
break;
case 'PBR_AmbientOcclusion':
mat.aoMap = map;
break;
case 'PBR_Anisotropic':
mat.anisotropyMap = map;
break;
case 'PBR_BaseColor':
mat.map = map;
break;
case 'PBR_Clearcoat':
mat.clearcoatMap = map;
break;
case 'PBR_ClearcoatBump':
mat.clearcoatNormalMap = map;
break;
case 'PBR_ClearcoatRoughness':
mat.clearcoatRoughnessMap = map;
break;
case 'PBR_Displacement':
mat.displacementMap = map;
break;
case 'PBR_Emission':
mat.emissiveMap = map;
break;
case 'PBR_Metallic':
mat.metalnessMap = map;
break;
case 'PBR_Roughness':
mat.roughnessMap = map;
break;
case 'PBR_Sheen':
mat.sheenColorMap = map;
break;
case 'PBR_Specular':
mat.specularColorMap = map;
break;
case 'PBR_Subsurface':
mat.thicknessMap = map;
break;
default:
this.warnings.push( {
message: `THREE.3DMLoader: No conversion exists for 3dm ${texture.type}.`,
type: 'no conversion'
} );
break;
}
map.wrapS = texture.wrapU === 0 ? RepeatWrapping : ClampToEdgeWrapping;
map.wrapT = texture.wrapV === 0 ? RepeatWrapping : ClampToEdgeWrapping;
if ( texture.repeat ) {
map.repeat.set( texture.repeat[ 0 ], texture.repeat[ 1 ] );
}
}
}
if ( renderEnvironment ) {
new EXRLoader().load( renderEnvironment.image, function ( texture ) {
texture.mapping = THREE.EquirectangularReflectionMapping;
mat.envMap = texture;
} );
}
return mat;
}
_createGeometry( data ) {
const object = new Object3D();
const instanceDefinitionObjects = [];
const instanceDefinitions = [];
const instanceReferences = [];
object.userData[ 'layers' ] = data.layers;
object.userData[ 'groups' ] = data.groups;
object.userData[ 'settings' ] = data.settings;
object.userData.settings[ 'renderSettings' ] = data.renderSettings;
object.userData[ 'objectType' ] = 'File3dm';
object.userData[ 'materials' ] = null;
object.name = this.url;
let objects = data.objects;
const materials = data.materials;
for ( let i = 0; i < objects.length; i ++ ) {
const obj = objects[ i ];
const attributes = obj.attributes;
switch ( obj.objectType ) {
case 'InstanceDefinition':
instanceDefinitions.push( obj );
break;
case 'InstanceReference':
instanceReferences.push( obj );
break;
default:
let matId = null;
switch ( attributes.materialSource.name ) {
case 'ObjectMaterialSource_MaterialFromLayer':
//check layer index
if ( attributes.layerIndex >= 0 ) {
matId = data.layers[ attributes.layerIndex ].renderMaterialIndex;
}
break;
case 'ObjectMaterialSource_MaterialFromObject':
if ( attributes.materialIndex >= 0 ) {
matId = attributes.materialIndex;
}
break;
}
let material = null;
if ( matId >= 0 ) {
const rMaterial = materials[ matId ];
material = this._createMaterial( rMaterial, data.renderEnvironment );
}
const _object = this._createObject( obj, material );
if ( _object === undefined ) {
continue;
}
const layer = data.layers[ attributes.layerIndex ];
_object.visible = layer ? data.layers[ attributes.layerIndex ].visible : true;
if ( attributes.isInstanceDefinitionObject ) {
instanceDefinitionObjects.push( _object );
} else {
object.add( _object );
}
break;
}
}
for ( let i = 0; i < instanceDefinitions.length; i ++ ) {
const iDef = instanceDefinitions[ i ];
objects = [];
for ( let j = 0; j < iDef.attributes.objectIds.length; j ++ ) {
const objId = iDef.attributes.objectIds[ j ];
for ( let p = 0; p < instanceDefinitionObjects.length; p ++ ) {
const idoId = instanceDefinitionObjects[ p ].userData.attributes.id;
if ( objId === idoId ) {
objects.push( instanceDefinitionObjects[ p ] );
}
}
}
// Currently clones geometry and does not take advantage of instancing
for ( let j = 0; j < instanceReferences.length; j ++ ) {
const iRef = instanceReferences[ j ];
if ( iRef.geometry.parentIdefId === iDef.attributes.id ) {
const iRefObject = new Object3D();
const xf = iRef.geometry.xform.array;
const matrix = new Matrix4();
matrix.set( ...xf );
iRefObject.applyMatrix4( matrix );
for ( let p = 0; p < objects.length; p ++ ) {
iRefObject.add( objects[ p ].clone( true ) );
}
object.add( iRefObject );
}
}
}
object.userData[ 'materials' ] = this.materials;
object.name = '';
return object;
}
_createObject( obj, mat ) {
const loader = new BufferGeometryLoader();
const attributes = obj.attributes;
let geometry, material, _color, color;
switch ( obj.objectType ) {
case 'Point':
case 'PointSet':
geometry = loader.parse( obj.geometry );
if ( geometry.attributes.hasOwnProperty( 'color' ) ) {
material = new PointsMaterial( { vertexColors: true, sizeAttenuation: false, size: 2 } );
} else {
_color = attributes.drawColor;
color = new Color( _color.r / 255.0, _color.g / 255.0, _color.b / 255.0 );
material = new PointsMaterial( { color: color, sizeAttenuation: false, size: 2 } );
}
material = this._compareMaterials( material );
const points = new Points( geometry, material );
points.userData[ 'attributes' ] = attributes;
points.userData[ 'objectType' ] = obj.objectType;
if ( attributes.name ) {
points.name = attributes.name;
}
return points;
case 'Mesh':
case 'Extrusion':
case 'SubD':
case 'Brep':
if ( obj.geometry === null ) return;
geometry = loader.parse( obj.geometry );
if ( mat === null ) {
mat = this._createMaterial();
}
if ( geometry.attributes.hasOwnProperty( 'color' ) ) {
mat.vertexColors = true;
}
mat = this._compareMaterials( mat );
const mesh = new Mesh( geometry, mat );
mesh.castShadow = attributes.castsShadows;
mesh.receiveShadow = attributes.receivesShadows;
mesh.userData[ 'attributes' ] = attributes;
mesh.userData[ 'objectType' ] = obj.objectType;
if ( attributes.name ) {
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.generateMipmaps = false;
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;