1379 lines
45 KiB
JavaScript
1379 lines
45 KiB
JavaScript
/**
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* @author Kai Salmen / https://kaisalmen.de
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* Development repository: https://github.com/kaisalmen/WWOBJLoader
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*/
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'use strict';
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if ( THREE.OBJLoader2 === undefined ) { THREE.OBJLoader2 = {} }
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if ( THREE.LoaderSupport === undefined ) console.error( '"THREE.LoaderSupport" is not available. "THREE.OBJLoader2" requires it. Please include "LoaderSupport.js" in your HTML.' );
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/**
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* Use this class to load OBJ data from files or to parse OBJ data from an arraybuffer
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* @class
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*
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* @param {THREE.DefaultLoadingManager} [manager] The loadingManager for the loader to use. Default is {@link THREE.DefaultLoadingManager}
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*/
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THREE.OBJLoader2 = (function () {
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var OBJLOADER2_VERSION = '2.4.0';
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var Validator = THREE.LoaderSupport.Validator;
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function OBJLoader2( manager ) {
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console.info( 'Using THREE.OBJLoader2 version: ' + OBJLOADER2_VERSION );
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this.manager = Validator.verifyInput( manager, THREE.DefaultLoadingManager );
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this.logging = {
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enabled: true,
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debug: false
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};
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this.modelName = '';
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this.instanceNo = 0;
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this.path = '';
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this.useIndices = false;
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this.disregardNormals = false;
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this.materialPerSmoothingGroup = false;
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this.loaderRootNode = new THREE.Group();
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this.meshBuilder = new THREE.LoaderSupport.MeshBuilder();
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this.callbacks = new THREE.LoaderSupport.Callbacks();
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this.workerSupport = new THREE.LoaderSupport.WorkerSupport();
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this.terminateWorkerOnLoad = true;
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}
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/**
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* Enable or disable logging in general (except warn and error), plus enable or disable debug logging.
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* @memberOf THREE.OBJLoader2
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*
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* @param {boolean} enabled True or false.
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* @param {boolean} debug True or false.
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*/
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OBJLoader2.prototype.setLogging = function ( enabled, debug ) {
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this.logging.enabled = enabled === true;
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this.logging.debug = debug === true;
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this.meshBuilder.setLogging( this.logging.enabled, this.logging.debug );
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};
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/**
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* Set the name of the model.
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* @memberOf THREE.OBJLoader2
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*
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* @param {string} modelName
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*/
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OBJLoader2.prototype.setModelName = function ( modelName ) {
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this.modelName = Validator.verifyInput( modelName, this.modelName );
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};
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/**
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* The URL of the base path.
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* @memberOf THREE.OBJLoader2
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*
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* @param {string} path URL
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*/
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OBJLoader2.prototype.setPath = function ( path ) {
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this.path = Validator.verifyInput( path, this.path );
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};
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/**
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* Set the node where the loaded objects will be attached directly.
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* @memberOf THREE.OBJLoader2
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*
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* @param {THREE.Object3D} streamMeshesTo Object already attached to scenegraph where new meshes will be attached to
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*/
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OBJLoader2.prototype.setStreamMeshesTo = function ( streamMeshesTo ) {
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this.loaderRootNode = Validator.verifyInput( streamMeshesTo, this.loaderRootNode );
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};
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/**
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* Set materials loaded by MTLLoader or any other supplier of an Array of {@link THREE.Material}.
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* @memberOf THREE.OBJLoader2
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*
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* @param {THREE.Material[]} materials Array of {@link THREE.Material}
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*/
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OBJLoader2.prototype.setMaterials = function ( materials ) {
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this.meshBuilder.setMaterials( materials );
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};
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/**
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* Instructs loaders to create indexed {@link THREE.BufferGeometry}.
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* @memberOf THREE.OBJLoader2
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*
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* @param {boolean} useIndices=false
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*/
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OBJLoader2.prototype.setUseIndices = function ( useIndices ) {
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this.useIndices = useIndices === true;
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};
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/**
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* Tells whether normals should be completely disregarded and regenerated.
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* @memberOf THREE.OBJLoader2
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*
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* @param {boolean} disregardNormals=false
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*/
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OBJLoader2.prototype.setDisregardNormals = function ( disregardNormals ) {
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this.disregardNormals = disregardNormals === true;
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};
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/**
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* Tells whether a material shall be created per smoothing group.
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* @memberOf THREE.OBJLoader2
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*
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* @param {boolean} materialPerSmoothingGroup=false
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*/
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OBJLoader2.prototype.setMaterialPerSmoothingGroup = function ( materialPerSmoothingGroup ) {
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this.materialPerSmoothingGroup = materialPerSmoothingGroup === true;
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};
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OBJLoader2.prototype._setCallbacks = function ( callbacks ) {
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if ( Validator.isValid( callbacks.onProgress ) ) this.callbacks.setCallbackOnProgress( callbacks.onProgress );
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if ( Validator.isValid( callbacks.onMeshAlter ) ) this.callbacks.setCallbackOnMeshAlter( callbacks.onMeshAlter );
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if ( Validator.isValid( callbacks.onLoad ) ) this.callbacks.setCallbackOnLoad( callbacks.onLoad );
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if ( Validator.isValid( callbacks.onLoadMaterials ) ) this.callbacks.setCallbackOnLoadMaterials( callbacks.onLoadMaterials );
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this.meshBuilder._setCallbacks( this.callbacks );
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};
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/**
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* Announce feedback which is give to the registered callbacks.
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* @memberOf THREE.OBJLoader2
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* @private
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*
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* @param {string} type The type of event
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* @param {string} text Textual description of the event
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* @param {number} numericalValue Numerical value describing the progress
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*/
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OBJLoader2.prototype.onProgress = function ( type, text, numericalValue ) {
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var content = Validator.isValid( text ) ? text: '';
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var event = {
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detail: {
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type: type,
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modelName: this.modelName,
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instanceNo: this.instanceNo,
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text: content,
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numericalValue: numericalValue
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}
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};
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if ( Validator.isValid( this.callbacks.onProgress ) ) this.callbacks.onProgress( event );
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if ( this.logging.enabled && this.logging.debug ) console.debug( content );
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};
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OBJLoader2.prototype._onError = function ( event ) {
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var output = 'Error occurred while downloading!';
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if ( event.currentTarget && event.currentTarget.statusText !== null ) {
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output += '\nurl: ' + event.currentTarget.responseURL + '\nstatus: ' + event.currentTarget.statusText;
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}
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this.onProgress( 'error', output, -1 );
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throw output;
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};
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/**
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* Use this convenient method to load a file at the given URL. By default the fileLoader uses an ArrayBuffer.
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* @memberOf THREE.OBJLoader2
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*
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* @param {string} url A string containing the path/URL of the file to be loaded.
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* @param {callback} onLoad A function to be called after loading is successfully completed. The function receives loaded Object3D as an argument.
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* @param {callback} [onProgress] A function to be called while the loading is in progress. The argument will be the XMLHttpRequest instance, which contains total and Integer bytes.
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* @param {callback} [onError] A function to be called if an error occurs during loading. The function receives the error as an argument.
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* @param {callback} [onMeshAlter] A function to be called after a new mesh raw data becomes available for alteration.
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* @param {boolean} [useAsync] If true, uses async loading with worker, if false loads data synchronously.
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*/
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OBJLoader2.prototype.load = function ( url, onLoad, onProgress, onError, onMeshAlter, useAsync ) {
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var resource = new THREE.LoaderSupport.ResourceDescriptor( url, 'OBJ' );
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this._loadObj( resource, onLoad, onProgress, onError, onMeshAlter, useAsync );
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};
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OBJLoader2.prototype._loadObj = function ( resource, onLoad, onProgress, onError, onMeshAlter, useAsync ) {
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if ( ! Validator.isValid( onError ) ) onError = this._onError;
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// fast-fail
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if ( ! Validator.isValid( resource ) ) onError( 'An invalid ResourceDescriptor was provided. Unable to continue!' );
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var scope = this;
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var fileLoaderOnLoad = function ( content ) {
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resource.content = content;
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if ( useAsync ) {
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scope.parseAsync( content, onLoad );
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} else {
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var callbacks = new THREE.LoaderSupport.Callbacks();
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callbacks.setCallbackOnMeshAlter( onMeshAlter );
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scope._setCallbacks( callbacks );
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onLoad(
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{
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detail: {
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loaderRootNode: scope.parse( content ),
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modelName: scope.modelName,
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instanceNo: scope.instanceNo
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}
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}
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);
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}
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};
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// fast-fail
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if ( ! Validator.isValid( resource.url ) || Validator.isValid( resource.content ) ) {
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fileLoaderOnLoad( Validator.isValid( resource.content ) ? resource.content : null );
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} else {
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if ( ! Validator.isValid( onProgress ) ) {
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var numericalValueRef = 0;
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var numericalValue = 0;
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onProgress = function ( event ) {
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if ( ! event.lengthComputable ) return;
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numericalValue = event.loaded / event.total;
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if ( numericalValue > numericalValueRef ) {
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numericalValueRef = numericalValue;
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var output = 'Download of "' + resource.url + '": ' + ( numericalValue * 100 ).toFixed( 2 ) + '%';
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scope.onProgress( 'progressLoad', output, numericalValue );
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}
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};
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}
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var fileLoader = new THREE.FileLoader( this.manager );
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fileLoader.setPath( this.path );
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fileLoader.setResponseType( 'arraybuffer' );
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fileLoader.load( resource.url, fileLoaderOnLoad, onProgress, onError );
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}
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};
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/**
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* Run the loader according the provided instructions.
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* @memberOf THREE.OBJLoader2
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*
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* @param {THREE.LoaderSupport.PrepData} prepData All parameters and resources required for execution
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* @param {THREE.LoaderSupport.WorkerSupport} [workerSupportExternal] Use pre-existing WorkerSupport
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*/
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OBJLoader2.prototype.run = function ( prepData, workerSupportExternal ) {
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this._applyPrepData( prepData );
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var available = prepData.checkResourceDescriptorFiles( prepData.resources,
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[
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{ ext: "obj", type: "ArrayBuffer", ignore: false },
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{ ext: "mtl", type: "String", ignore: false },
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{ ext: "zip", type: "String", ignore: true }
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]
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);
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if ( Validator.isValid( workerSupportExternal ) ) {
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this.terminateWorkerOnLoad = false;
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this.workerSupport = workerSupportExternal;
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this.logging.enabled = this.workerSupport.logging.enabled;
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this.logging.debug = this.workerSupport.logging.debug;
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}
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var scope = this;
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var onMaterialsLoaded = function ( materials ) {
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if ( materials !== null ) scope.meshBuilder.setMaterials( materials );
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scope._loadObj( available.obj, scope.callbacks.onLoad, null, null, scope.callbacks.onMeshAlter, prepData.useAsync );
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};
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this._loadMtl( available.mtl, onMaterialsLoaded, prepData.crossOrigin, prepData.materialOptions );
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};
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OBJLoader2.prototype._applyPrepData = function ( prepData ) {
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if ( Validator.isValid( prepData ) ) {
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this.setLogging( prepData.logging.enabled, prepData.logging.debug );
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this.setModelName( prepData.modelName );
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this.setStreamMeshesTo( prepData.streamMeshesTo );
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this.meshBuilder.setMaterials( prepData.materials );
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this.setUseIndices( prepData.useIndices );
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this.setDisregardNormals( prepData.disregardNormals );
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this.setMaterialPerSmoothingGroup( prepData.materialPerSmoothingGroup );
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this._setCallbacks( prepData.getCallbacks() );
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}
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};
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/**
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* Parses OBJ data synchronously from arraybuffer or string.
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* @memberOf THREE.OBJLoader2
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*
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* @param {arraybuffer|string} content OBJ data as Uint8Array or String
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*/
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OBJLoader2.prototype.parse = function ( content ) {
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// fast-fail in case of illegal data
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if ( ! Validator.isValid( content ) ) {
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console.warn( 'Provided content is not a valid ArrayBuffer or String.' );
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return this.loaderRootNode;
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}
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if ( this.logging.enabled ) console.time( 'OBJLoader2 parse: ' + this.modelName );
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this.meshBuilder.init();
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var parser = new Parser();
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parser.setLogging( this.logging.enabled, this.logging.debug );
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parser.setMaterialPerSmoothingGroup( this.materialPerSmoothingGroup );
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parser.setUseIndices( this.useIndices );
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parser.setDisregardNormals( this.disregardNormals );
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// sync code works directly on the material references
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parser.setMaterials( this.meshBuilder.getMaterials() );
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var scope = this;
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var onMeshLoaded = function ( payload ) {
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var meshes = scope.meshBuilder.processPayload( payload );
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var mesh;
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for ( var i in meshes ) {
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mesh = meshes[ i ];
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scope.loaderRootNode.add( mesh );
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}
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};
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parser.setCallbackMeshBuilder( onMeshLoaded );
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var onProgressScoped = function ( text, numericalValue ) {
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scope.onProgress( 'progressParse', text, numericalValue );
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};
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parser.setCallbackProgress( onProgressScoped );
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if ( content instanceof ArrayBuffer || content instanceof Uint8Array ) {
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if ( this.logging.enabled ) console.info( 'Parsing arrayBuffer...' );
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parser.parse( content );
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} else if ( typeof( content ) === 'string' || content instanceof String ) {
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if ( this.logging.enabled ) console.info( 'Parsing text...' );
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parser.parseText( content );
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} else {
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throw 'Provided content was neither of type String nor Uint8Array! Aborting...';
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}
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if ( this.logging.enabled ) console.timeEnd( 'OBJLoader2 parse: ' + this.modelName );
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return this.loaderRootNode;
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};
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/**
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* Parses OBJ content asynchronously from arraybuffer.
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* @memberOf THREE.OBJLoader2
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*
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* @param {arraybuffer} content OBJ data as Uint8Array
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* @param {callback} onLoad Called after worker successfully completed loading
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*/
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OBJLoader2.prototype.parseAsync = function ( content, onLoad ) {
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var scope = this;
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var measureTime = false;
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var scopedOnLoad = function () {
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onLoad(
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{
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detail: {
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loaderRootNode: scope.loaderRootNode,
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modelName: scope.modelName,
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instanceNo: scope.instanceNo
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}
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}
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);
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if ( measureTime && scope.logging.enabled ) console.timeEnd( 'OBJLoader2 parseAsync: ' + scope.modelName );
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};
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// fast-fail in case of illegal data
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if ( ! Validator.isValid( content ) ) {
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console.warn( 'Provided content is not a valid ArrayBuffer.' );
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scopedOnLoad()
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} else {
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measureTime = true;
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}
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if ( measureTime && this.logging.enabled ) console.time( 'OBJLoader2 parseAsync: ' + this.modelName );
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this.meshBuilder.init();
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var scopedOnMeshLoaded = function ( payload ) {
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var meshes = scope.meshBuilder.processPayload( payload );
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var mesh;
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for ( var i in meshes ) {
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mesh = meshes[ i ];
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scope.loaderRootNode.add( mesh );
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}
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};
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var buildCode = function ( funcBuildObject, funcBuildSingleton ) {
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var workerCode = '';
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workerCode += '/**\n';
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workerCode += ' * This code was constructed by OBJLoader2 buildCode.\n';
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workerCode += ' */\n\n';
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workerCode += 'THREE = { LoaderSupport: {} };\n\n';
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workerCode += funcBuildObject( 'THREE.LoaderSupport.Validator', Validator );
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workerCode += funcBuildSingleton( 'Parser', Parser );
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return workerCode;
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};
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this.workerSupport.validate( buildCode, 'Parser' );
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this.workerSupport.setCallbacks( scopedOnMeshLoaded, scopedOnLoad );
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if ( scope.terminateWorkerOnLoad ) this.workerSupport.setTerminateRequested( true );
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var materialNames = {};
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var materials = this.meshBuilder.getMaterials();
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for ( var materialName in materials ) {
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materialNames[ materialName ] = materialName;
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}
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this.workerSupport.run(
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{
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params: {
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useAsync: true,
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materialPerSmoothingGroup: this.materialPerSmoothingGroup,
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useIndices: this.useIndices,
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disregardNormals: this.disregardNormals
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},
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logging: {
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enabled: this.logging.enabled,
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debug: this.logging.debug
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},
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materials: {
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// in async case only material names are supplied to parser
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materials: materialNames
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},
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data: {
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input: content,
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options: null
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}
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}
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);
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};
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/**
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* Parse OBJ data either from ArrayBuffer or string
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* @class
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*/
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var Parser = (function () {
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function Parser() {
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this.callbackProgress = null;
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this.callbackMeshBuilder = null;
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this.contentRef = null;
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this.legacyMode = false;
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this.materials = {};
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this.useAsync = false;
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this.materialPerSmoothingGroup = false;
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this.useIndices = false;
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this.disregardNormals = false;
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this.vertices = [];
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this.colors = [];
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this.normals = [];
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this.uvs = [];
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this.rawMesh = {
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objectName: '',
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groupName: '',
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activeMtlName: '',
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mtllibName: '',
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// reset with new mesh
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faceType: -1,
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subGroups: [],
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subGroupInUse: null,
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smoothingGroup: {
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splitMaterials: false,
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normalized: -1,
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real: -1
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},
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counts: {
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doubleIndicesCount: 0,
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faceCount: 0,
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mtlCount: 0,
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smoothingGroupCount: 0
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}
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};
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this.inputObjectCount = 1;
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this.outputObjectCount = 1;
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this.globalCounts = {
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vertices: 0,
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faces: 0,
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doubleIndicesCount: 0,
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lineByte: 0,
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currentByte: 0,
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totalBytes: 0
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};
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this.logging = {
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enabled: true,
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debug: false
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};
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}
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Parser.prototype.resetRawMesh = function () {
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// faces are stored according combined index of group, material and smoothingGroup (0 or not)
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this.rawMesh.subGroups = [];
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this.rawMesh.subGroupInUse = null;
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this.rawMesh.smoothingGroup.normalized = -1;
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this.rawMesh.smoothingGroup.real = -1;
|
|
|
|
// this default index is required as it is possible to define faces without 'g' or 'usemtl'
|
|
this.pushSmoothingGroup( 1 );
|
|
|
|
this.rawMesh.counts.doubleIndicesCount = 0;
|
|
this.rawMesh.counts.faceCount = 0;
|
|
this.rawMesh.counts.mtlCount = 0;
|
|
this.rawMesh.counts.smoothingGroupCount = 0;
|
|
};
|
|
|
|
Parser.prototype.setUseAsync = function ( useAsync ) {
|
|
this.useAsync = useAsync;
|
|
};
|
|
|
|
Parser.prototype.setMaterialPerSmoothingGroup = function ( materialPerSmoothingGroup ) {
|
|
this.materialPerSmoothingGroup = materialPerSmoothingGroup;
|
|
};
|
|
|
|
Parser.prototype.setUseIndices = function ( useIndices ) {
|
|
this.useIndices = useIndices;
|
|
};
|
|
|
|
Parser.prototype.setDisregardNormals = function ( disregardNormals ) {
|
|
this.disregardNormals = disregardNormals;
|
|
};
|
|
|
|
Parser.prototype.setMaterials = function ( materials ) {
|
|
this.materials = THREE.LoaderSupport.Validator.verifyInput( materials, this.materials );
|
|
this.materials = THREE.LoaderSupport.Validator.verifyInput( this.materials, {} );
|
|
};
|
|
|
|
Parser.prototype.setCallbackMeshBuilder = function ( callbackMeshBuilder ) {
|
|
if ( ! THREE.LoaderSupport.Validator.isValid( callbackMeshBuilder ) ) throw 'Unable to run as no "MeshBuilder" callback is set.';
|
|
this.callbackMeshBuilder = callbackMeshBuilder;
|
|
};
|
|
|
|
Parser.prototype.setCallbackProgress = function ( callbackProgress ) {
|
|
this.callbackProgress = callbackProgress;
|
|
};
|
|
|
|
Parser.prototype.setLogging = function ( enabled, debug ) {
|
|
this.logging.enabled = enabled === true;
|
|
this.logging.debug = debug === true;
|
|
};
|
|
|
|
Parser.prototype.configure = function () {
|
|
this.pushSmoothingGroup( 1 );
|
|
|
|
if ( this.logging.enabled ) {
|
|
|
|
var matKeys = Object.keys( this.materials );
|
|
var matNames = ( matKeys.length > 0 ) ? '\n\tmaterialNames:\n\t\t- ' + matKeys.join( '\n\t\t- ' ) : '\n\tmaterialNames: None';
|
|
var printedConfig = 'OBJLoader2.Parser configuration:'
|
|
+ matNames
|
|
+ '\n\tuseAsync: ' + this.useAsync
|
|
+ '\n\tmaterialPerSmoothingGroup: ' + this.materialPerSmoothingGroup
|
|
+ '\n\tuseIndices: ' + this.useIndices
|
|
+ '\n\tdisregardNormals: ' + this.disregardNormals
|
|
+ '\n\tcallbackMeshBuilderName: ' + this.callbackMeshBuilder.name
|
|
+ '\n\tcallbackProgressName: ' + this.callbackProgress.name;
|
|
console.info( printedConfig );
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Parse the provided arraybuffer
|
|
* @memberOf Parser
|
|
*
|
|
* @param {Uint8Array} arrayBuffer OBJ data as Uint8Array
|
|
*/
|
|
Parser.prototype.parse = function ( arrayBuffer ) {
|
|
if ( this.logging.enabled ) console.time( 'OBJLoader2.Parser.parse' );
|
|
this.configure();
|
|
|
|
var arrayBufferView = new Uint8Array( arrayBuffer );
|
|
this.contentRef = arrayBufferView;
|
|
var length = arrayBufferView.byteLength;
|
|
this.globalCounts.totalBytes = length;
|
|
var buffer = new Array( 128 );
|
|
|
|
for ( var code, word = '', bufferPointer = 0, slashesCount = 0, i = 0; i < length; i++ ) {
|
|
|
|
code = arrayBufferView[ i ];
|
|
switch ( code ) {
|
|
// space
|
|
case 32:
|
|
if ( word.length > 0 ) buffer[ bufferPointer++ ] = word;
|
|
word = '';
|
|
break;
|
|
// slash
|
|
case 47:
|
|
if ( word.length > 0 ) buffer[ bufferPointer++ ] = word;
|
|
slashesCount++;
|
|
word = '';
|
|
break;
|
|
|
|
// LF
|
|
case 10:
|
|
if ( word.length > 0 ) buffer[ bufferPointer++ ] = word;
|
|
word = '';
|
|
this.globalCounts.lineByte = this.globalCounts.currentByte;
|
|
this.globalCounts.currentByte = i;
|
|
this.processLine( buffer, bufferPointer, slashesCount );
|
|
bufferPointer = 0;
|
|
slashesCount = 0;
|
|
break;
|
|
|
|
// CR
|
|
case 13:
|
|
break;
|
|
|
|
default:
|
|
word += String.fromCharCode( code );
|
|
break;
|
|
}
|
|
}
|
|
this.finalizeParsing();
|
|
if ( this.logging.enabled ) console.timeEnd( 'OBJLoader2.Parser.parse' );
|
|
};
|
|
|
|
/**
|
|
* Parse the provided text
|
|
* @memberOf Parser
|
|
*
|
|
* @param {string} text OBJ data as string
|
|
*/
|
|
Parser.prototype.parseText = function ( text ) {
|
|
if ( this.logging.enabled ) console.time( 'OBJLoader2.Parser.parseText' );
|
|
this.configure();
|
|
this.legacyMode = true;
|
|
this.contentRef = text;
|
|
var length = text.length;
|
|
this.globalCounts.totalBytes = length;
|
|
var buffer = new Array( 128 );
|
|
|
|
for ( var char, word = '', bufferPointer = 0, slashesCount = 0, i = 0; i < length; i++ ) {
|
|
|
|
char = text[ i ];
|
|
switch ( char ) {
|
|
case ' ':
|
|
if ( word.length > 0 ) buffer[ bufferPointer++ ] = word;
|
|
word = '';
|
|
break;
|
|
|
|
case '/':
|
|
if ( word.length > 0 ) buffer[ bufferPointer++ ] = word;
|
|
slashesCount++;
|
|
word = '';
|
|
break;
|
|
|
|
case '\n':
|
|
if ( word.length > 0 ) buffer[ bufferPointer++ ] = word;
|
|
word = '';
|
|
this.globalCounts.lineByte = this.globalCounts.currentByte;
|
|
this.globalCounts.currentByte = i;
|
|
this.processLine( buffer, bufferPointer, slashesCount );
|
|
bufferPointer = 0;
|
|
slashesCount = 0;
|
|
break;
|
|
|
|
case '\r':
|
|
break;
|
|
|
|
default:
|
|
word += char;
|
|
}
|
|
}
|
|
this.finalizeParsing();
|
|
if ( this.logging.enabled ) console.timeEnd( 'OBJLoader2.Parser.parseText' );
|
|
};
|
|
|
|
Parser.prototype.processLine = function ( buffer, bufferPointer, slashesCount ) {
|
|
if ( bufferPointer < 1 ) return;
|
|
|
|
var reconstructString = function ( content, legacyMode, start, stop ) {
|
|
var line = '';
|
|
if ( stop > start ) {
|
|
|
|
var i;
|
|
if ( legacyMode ) {
|
|
|
|
for ( i = start; i < stop; i++ ) line += content[ i ];
|
|
|
|
} else {
|
|
|
|
|
|
for ( i = start; i < stop; i++ ) line += String.fromCharCode( content[ i ] );
|
|
|
|
}
|
|
line = line.trim();
|
|
|
|
}
|
|
return line;
|
|
};
|
|
|
|
var bufferLength, length, i, lineDesignation;
|
|
lineDesignation = buffer [ 0 ];
|
|
switch ( lineDesignation ) {
|
|
case 'v':
|
|
this.vertices.push( parseFloat( buffer[ 1 ] ) );
|
|
this.vertices.push( parseFloat( buffer[ 2 ] ) );
|
|
this.vertices.push( parseFloat( buffer[ 3 ] ) );
|
|
if ( bufferPointer > 4 ) {
|
|
|
|
this.colors.push( parseFloat( buffer[ 4 ] ) );
|
|
this.colors.push( parseFloat( buffer[ 5 ] ) );
|
|
this.colors.push( parseFloat( buffer[ 6 ] ) );
|
|
|
|
}
|
|
break;
|
|
|
|
case 'vt':
|
|
this.uvs.push( parseFloat( buffer[ 1 ] ) );
|
|
this.uvs.push( parseFloat( buffer[ 2 ] ) );
|
|
break;
|
|
|
|
case 'vn':
|
|
this.normals.push( parseFloat( buffer[ 1 ] ) );
|
|
this.normals.push( parseFloat( buffer[ 2 ] ) );
|
|
this.normals.push( parseFloat( buffer[ 3 ] ) );
|
|
break;
|
|
|
|
case 'f':
|
|
bufferLength = bufferPointer - 1;
|
|
|
|
// "f vertex ..."
|
|
if ( slashesCount === 0 ) {
|
|
|
|
this.checkFaceType( 0 );
|
|
for ( i = 2, length = bufferLength; i < length; i ++ ) {
|
|
|
|
this.buildFace( buffer[ 1 ] );
|
|
this.buildFace( buffer[ i ] );
|
|
this.buildFace( buffer[ i + 1 ] );
|
|
|
|
}
|
|
|
|
// "f vertex/uv ..."
|
|
} else if ( bufferLength === slashesCount * 2 ) {
|
|
|
|
this.checkFaceType( 1 );
|
|
for ( i = 3, length = bufferLength - 2; i < length; i += 2 ) {
|
|
|
|
this.buildFace( buffer[ 1 ], buffer[ 2 ] );
|
|
this.buildFace( buffer[ i ], buffer[ i + 1 ] );
|
|
this.buildFace( buffer[ i + 2 ], buffer[ i + 3 ] );
|
|
|
|
}
|
|
|
|
// "f vertex/uv/normal ..."
|
|
} else if ( bufferLength * 2 === slashesCount * 3 ) {
|
|
|
|
this.checkFaceType( 2 );
|
|
for ( i = 4, length = bufferLength - 3; i < length; i += 3 ) {
|
|
|
|
this.buildFace( buffer[ 1 ], buffer[ 2 ], buffer[ 3 ] );
|
|
this.buildFace( buffer[ i ], buffer[ i + 1 ], buffer[ i + 2 ] );
|
|
this.buildFace( buffer[ i + 3 ], buffer[ i + 4 ], buffer[ i + 5 ] );
|
|
|
|
}
|
|
|
|
// "f vertex//normal ..."
|
|
} else {
|
|
|
|
this.checkFaceType( 3 );
|
|
for ( i = 3, length = bufferLength - 2; i < length; i += 2 ) {
|
|
|
|
this.buildFace( buffer[ 1 ], undefined, buffer[ 2 ] );
|
|
this.buildFace( buffer[ i ], undefined, buffer[ i + 1 ] );
|
|
this.buildFace( buffer[ i + 2 ], undefined, buffer[ i + 3 ] );
|
|
|
|
}
|
|
|
|
}
|
|
break;
|
|
|
|
case 'l':
|
|
case 'p':
|
|
bufferLength = bufferPointer - 1;
|
|
if ( bufferLength === slashesCount * 2 ) {
|
|
|
|
this.checkFaceType( 4 );
|
|
for ( i = 1, length = bufferLength + 1; i < length; i += 2 ) this.buildFace( buffer[ i ], buffer[ i + 1 ] );
|
|
|
|
} else {
|
|
|
|
this.checkFaceType( ( lineDesignation === 'l' ) ? 5 : 6 );
|
|
for ( i = 1, length = bufferLength + 1; i < length; i ++ ) this.buildFace( buffer[ i ] );
|
|
|
|
}
|
|
break;
|
|
|
|
case 's':
|
|
this.pushSmoothingGroup( buffer[ 1 ] );
|
|
break;
|
|
|
|
case 'g':
|
|
// 'g' leads to creation of mesh if valid data (faces declaration was done before), otherwise only groupName gets set
|
|
this.processCompletedMesh();
|
|
this.rawMesh.groupName = reconstructString( this.contentRef, this.legacyMode, this.globalCounts.lineByte + 2, this.globalCounts.currentByte );
|
|
break;
|
|
|
|
case 'o':
|
|
// 'o' is pure meta-information and does not result in creation of new meshes
|
|
this.rawMesh.objectName = reconstructString( this.contentRef, this.legacyMode, this.globalCounts.lineByte + 2, this.globalCounts.currentByte );
|
|
break;
|
|
|
|
case 'mtllib':
|
|
this.rawMesh.mtllibName = reconstructString( this.contentRef, this.legacyMode, this.globalCounts.lineByte + 7, this.globalCounts.currentByte );
|
|
break;
|
|
|
|
case 'usemtl':
|
|
var mtlName = reconstructString( this.contentRef, this.legacyMode, this.globalCounts.lineByte + 7, this.globalCounts.currentByte );
|
|
if ( mtlName !== '' && this.rawMesh.activeMtlName !== mtlName ) {
|
|
|
|
this.rawMesh.activeMtlName = mtlName;
|
|
this.rawMesh.counts.mtlCount++;
|
|
this.checkSubGroup();
|
|
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
};
|
|
|
|
Parser.prototype.pushSmoothingGroup = function ( smoothingGroup ) {
|
|
var smoothingGroupInt = parseInt( smoothingGroup );
|
|
if ( isNaN( smoothingGroupInt ) ) {
|
|
smoothingGroupInt = smoothingGroup === "off" ? 0 : 1;
|
|
}
|
|
|
|
var smoothCheck = this.rawMesh.smoothingGroup.normalized;
|
|
this.rawMesh.smoothingGroup.normalized = this.rawMesh.smoothingGroup.splitMaterials ? smoothingGroupInt : ( smoothingGroupInt === 0 ) ? 0 : 1;
|
|
this.rawMesh.smoothingGroup.real = smoothingGroupInt;
|
|
|
|
if ( smoothCheck !== smoothingGroupInt ) {
|
|
|
|
this.rawMesh.counts.smoothingGroupCount++;
|
|
this.checkSubGroup();
|
|
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Expanded faceTypes include all four face types, both line types and the point type
|
|
* faceType = 0: "f vertex ..."
|
|
* faceType = 1: "f vertex/uv ..."
|
|
* faceType = 2: "f vertex/uv/normal ..."
|
|
* faceType = 3: "f vertex//normal ..."
|
|
* faceType = 4: "l vertex/uv ..." or "l vertex ..."
|
|
* faceType = 5: "l vertex ..."
|
|
* faceType = 6: "p vertex ..."
|
|
*/
|
|
Parser.prototype.checkFaceType = function ( faceType ) {
|
|
if ( this.rawMesh.faceType !== faceType ) {
|
|
|
|
this.processCompletedMesh();
|
|
this.rawMesh.faceType = faceType;
|
|
this.checkSubGroup();
|
|
|
|
}
|
|
};
|
|
|
|
Parser.prototype.checkSubGroup = function () {
|
|
var index = this.rawMesh.activeMtlName + '|' + this.rawMesh.smoothingGroup.normalized;
|
|
this.rawMesh.subGroupInUse = this.rawMesh.subGroups[ index ];
|
|
|
|
if ( ! THREE.LoaderSupport.Validator.isValid( this.rawMesh.subGroupInUse ) ) {
|
|
|
|
this.rawMesh.subGroupInUse = {
|
|
index: index,
|
|
objectName: this.rawMesh.objectName,
|
|
groupName: this.rawMesh.groupName,
|
|
materialName: this.rawMesh.activeMtlName,
|
|
smoothingGroup: this.rawMesh.smoothingGroup.normalized,
|
|
vertices: [],
|
|
indexMappingsCount: 0,
|
|
indexMappings: [],
|
|
indices: [],
|
|
colors: [],
|
|
uvs: [],
|
|
normals: []
|
|
};
|
|
this.rawMesh.subGroups[ index ] = this.rawMesh.subGroupInUse;
|
|
|
|
}
|
|
};
|
|
|
|
Parser.prototype.buildFace = function ( faceIndexV, faceIndexU, faceIndexN ) {
|
|
if ( this.disregardNormals ) faceIndexN = undefined;
|
|
var scope = this;
|
|
var updateSubGroupInUse = function () {
|
|
|
|
var faceIndexVi = parseInt( faceIndexV );
|
|
var indexPointerV = 3 * ( faceIndexVi > 0 ? faceIndexVi - 1 : faceIndexVi + scope.vertices.length / 3 );
|
|
|
|
var vertices = scope.rawMesh.subGroupInUse.vertices;
|
|
vertices.push( scope.vertices[ indexPointerV++ ] );
|
|
vertices.push( scope.vertices[ indexPointerV++ ] );
|
|
vertices.push( scope.vertices[ indexPointerV ] );
|
|
|
|
var indexPointerC = scope.colors.length > 0 ? indexPointerV : null;
|
|
if ( indexPointerC !== null ) {
|
|
|
|
var colors = scope.rawMesh.subGroupInUse.colors;
|
|
colors.push( scope.colors[ indexPointerC++ ] );
|
|
colors.push( scope.colors[ indexPointerC++ ] );
|
|
colors.push( scope.colors[ indexPointerC ] );
|
|
|
|
}
|
|
if ( faceIndexU ) {
|
|
|
|
var faceIndexUi = parseInt( faceIndexU );
|
|
var indexPointerU = 2 * ( faceIndexUi > 0 ? faceIndexUi - 1 : faceIndexUi + scope.uvs.length / 2 );
|
|
var uvs = scope.rawMesh.subGroupInUse.uvs;
|
|
uvs.push( scope.uvs[ indexPointerU++ ] );
|
|
uvs.push( scope.uvs[ indexPointerU ] );
|
|
|
|
}
|
|
if ( faceIndexN ) {
|
|
|
|
var faceIndexNi = parseInt( faceIndexN );
|
|
var indexPointerN = 3 * ( faceIndexNi > 0 ? faceIndexNi - 1 : faceIndexNi + scope.normals.length / 3 );
|
|
var normals = scope.rawMesh.subGroupInUse.normals;
|
|
normals.push( scope.normals[ indexPointerN++ ] );
|
|
normals.push( scope.normals[ indexPointerN++ ] );
|
|
normals.push( scope.normals[ indexPointerN ] );
|
|
|
|
}
|
|
};
|
|
|
|
if ( this.useIndices ) {
|
|
|
|
var mappingName = faceIndexV + ( faceIndexU ? '_' + faceIndexU : '_n' ) + ( faceIndexN ? '_' + faceIndexN : '_n' );
|
|
var indicesPointer = this.rawMesh.subGroupInUse.indexMappings[ mappingName ];
|
|
if ( THREE.LoaderSupport.Validator.isValid( indicesPointer ) ) {
|
|
|
|
this.rawMesh.counts.doubleIndicesCount++;
|
|
|
|
} else {
|
|
|
|
indicesPointer = this.rawMesh.subGroupInUse.vertices.length / 3;
|
|
updateSubGroupInUse();
|
|
this.rawMesh.subGroupInUse.indexMappings[ mappingName ] = indicesPointer;
|
|
this.rawMesh.subGroupInUse.indexMappingsCount++;
|
|
|
|
}
|
|
this.rawMesh.subGroupInUse.indices.push( indicesPointer );
|
|
|
|
} else {
|
|
|
|
updateSubGroupInUse();
|
|
|
|
}
|
|
this.rawMesh.counts.faceCount++;
|
|
};
|
|
|
|
Parser.prototype.createRawMeshReport = function ( inputObjectCount ) {
|
|
return 'Input Object number: ' + inputObjectCount +
|
|
'\n\tObject name: ' + this.rawMesh.objectName +
|
|
'\n\tGroup name: ' + this.rawMesh.groupName +
|
|
'\n\tMtllib name: ' + this.rawMesh.mtllibName +
|
|
'\n\tVertex count: ' + this.vertices.length / 3 +
|
|
'\n\tNormal count: ' + this.normals.length / 3 +
|
|
'\n\tUV count: ' + this.uvs.length / 2 +
|
|
'\n\tSmoothingGroup count: ' + this.rawMesh.counts.smoothingGroupCount +
|
|
'\n\tMaterial count: ' + this.rawMesh.counts.mtlCount +
|
|
'\n\tReal MeshOutputGroup count: ' + this.rawMesh.subGroups.length;
|
|
};
|
|
|
|
/**
|
|
* Clear any empty subGroup and calculate absolute vertex, normal and uv counts
|
|
*/
|
|
Parser.prototype.finalizeRawMesh = function () {
|
|
var meshOutputGroupTemp = [];
|
|
var meshOutputGroup;
|
|
var absoluteVertexCount = 0;
|
|
var absoluteIndexMappingsCount = 0;
|
|
var absoluteIndexCount = 0;
|
|
var absoluteColorCount = 0;
|
|
var absoluteNormalCount = 0;
|
|
var absoluteUvCount = 0;
|
|
var indices;
|
|
for ( var name in this.rawMesh.subGroups ) {
|
|
|
|
meshOutputGroup = this.rawMesh.subGroups[ name ];
|
|
if ( meshOutputGroup.vertices.length > 0 ) {
|
|
|
|
indices = meshOutputGroup.indices;
|
|
if ( indices.length > 0 && absoluteIndexMappingsCount > 0 ) {
|
|
|
|
for ( var i in indices ) indices[ i ] = indices[ i ] + absoluteIndexMappingsCount;
|
|
|
|
}
|
|
meshOutputGroupTemp.push( meshOutputGroup );
|
|
absoluteVertexCount += meshOutputGroup.vertices.length;
|
|
absoluteIndexMappingsCount += meshOutputGroup.indexMappingsCount;
|
|
absoluteIndexCount += meshOutputGroup.indices.length;
|
|
absoluteColorCount += meshOutputGroup.colors.length;
|
|
absoluteUvCount += meshOutputGroup.uvs.length;
|
|
absoluteNormalCount += meshOutputGroup.normals.length;
|
|
|
|
}
|
|
}
|
|
|
|
// do not continue if no result
|
|
var result = null;
|
|
if ( meshOutputGroupTemp.length > 0 ) {
|
|
|
|
result = {
|
|
name: this.rawMesh.groupName !== '' ? this.rawMesh.groupName : this.rawMesh.objectName,
|
|
subGroups: meshOutputGroupTemp,
|
|
absoluteVertexCount: absoluteVertexCount,
|
|
absoluteIndexCount: absoluteIndexCount,
|
|
absoluteColorCount: absoluteColorCount,
|
|
absoluteNormalCount: absoluteNormalCount,
|
|
absoluteUvCount: absoluteUvCount,
|
|
faceCount: this.rawMesh.counts.faceCount,
|
|
doubleIndicesCount: this.rawMesh.counts.doubleIndicesCount
|
|
};
|
|
|
|
}
|
|
return result;
|
|
};
|
|
|
|
Parser.prototype.processCompletedMesh = function () {
|
|
var result = this.finalizeRawMesh();
|
|
if ( THREE.LoaderSupport.Validator.isValid( result ) ) {
|
|
|
|
if ( this.colors.length > 0 && this.colors.length !== this.vertices.length ) {
|
|
|
|
throw 'Vertex Colors were detected, but vertex count and color count do not match!';
|
|
|
|
}
|
|
if ( this.logging.enabled && this.logging.debug ) console.debug( this.createRawMeshReport( this.inputObjectCount ) );
|
|
this.inputObjectCount++;
|
|
|
|
this.buildMesh( result );
|
|
var progressBytesPercent = this.globalCounts.currentByte / this.globalCounts.totalBytes;
|
|
this.callbackProgress( 'Completed [o: ' + this.rawMesh.objectName + ' g:' + this.rawMesh.groupName + '] Total progress: ' + ( progressBytesPercent * 100 ).toFixed( 2 ) + '%', progressBytesPercent );
|
|
this.resetRawMesh();
|
|
return true;
|
|
|
|
} else {
|
|
|
|
return false;
|
|
}
|
|
};
|
|
|
|
/**
|
|
* SubGroups are transformed to too intermediate format that is forwarded to the MeshBuilder.
|
|
* It is ensured that SubGroups only contain objects with vertices (no need to check).
|
|
*
|
|
* @param result
|
|
*/
|
|
Parser.prototype.buildMesh = function ( result ) {
|
|
var meshOutputGroups = result.subGroups;
|
|
|
|
var vertexFA = new Float32Array( result.absoluteVertexCount );
|
|
this.globalCounts.vertices += result.absoluteVertexCount / 3;
|
|
this.globalCounts.faces += result.faceCount;
|
|
this.globalCounts.doubleIndicesCount += result.doubleIndicesCount;
|
|
var indexUA = ( result.absoluteIndexCount > 0 ) ? new Uint32Array( result.absoluteIndexCount ) : null;
|
|
var colorFA = ( result.absoluteColorCount > 0 ) ? new Float32Array( result.absoluteColorCount ) : null;
|
|
var normalFA = ( result.absoluteNormalCount > 0 ) ? new Float32Array( result.absoluteNormalCount ) : null;
|
|
var uvFA = ( result.absoluteUvCount > 0 ) ? new Float32Array( result.absoluteUvCount ) : null;
|
|
var haveVertexColors = THREE.LoaderSupport.Validator.isValid( colorFA );
|
|
|
|
var meshOutputGroup;
|
|
var materialNames = [];
|
|
|
|
var createMultiMaterial = ( meshOutputGroups.length > 1 );
|
|
var materialIndex = 0;
|
|
var materialIndexMapping = [];
|
|
var selectedMaterialIndex;
|
|
var materialGroup;
|
|
var materialGroups = [];
|
|
|
|
var vertexFAOffset = 0;
|
|
var indexUAOffset = 0;
|
|
var colorFAOffset = 0;
|
|
var normalFAOffset = 0;
|
|
var uvFAOffset = 0;
|
|
var materialGroupOffset = 0;
|
|
var materialGroupLength = 0;
|
|
|
|
var materialOrg, material, materialName, materialNameOrg;
|
|
// only one specific face type
|
|
for ( var oodIndex in meshOutputGroups ) {
|
|
|
|
if ( ! meshOutputGroups.hasOwnProperty( oodIndex ) ) continue;
|
|
meshOutputGroup = meshOutputGroups[ oodIndex ];
|
|
|
|
materialNameOrg = meshOutputGroup.materialName;
|
|
if ( this.rawMesh.faceType < 4 ) {
|
|
|
|
materialName = materialNameOrg + ( haveVertexColors ? '_vertexColor' : '' ) + ( meshOutputGroup.smoothingGroup === 0 ? '_flat' : '' );
|
|
|
|
|
|
} else {
|
|
|
|
materialName = this.rawMesh.faceType === 6 ? 'defaultPointMaterial' : 'defaultLineMaterial';
|
|
|
|
}
|
|
materialOrg = this.materials[ materialNameOrg ];
|
|
material = this.materials[ materialName ];
|
|
|
|
// both original and derived names do not lead to an existing material => need to use a default material
|
|
if ( ! THREE.LoaderSupport.Validator.isValid( materialOrg ) && ! THREE.LoaderSupport.Validator.isValid( material ) ) {
|
|
|
|
var defaultMaterialName = haveVertexColors ? 'defaultVertexColorMaterial' : 'defaultMaterial';
|
|
materialOrg = this.materials[ defaultMaterialName ];
|
|
if ( this.logging.enabled ) console.warn( 'object_group "' + meshOutputGroup.objectName + '_' +
|
|
meshOutputGroup.groupName + '" was defined with unresolvable material "' +
|
|
materialNameOrg + '"! Assigning "' + defaultMaterialName + '".' );
|
|
materialNameOrg = defaultMaterialName;
|
|
|
|
// if names are identical then there is no need for later manipulation
|
|
if ( materialNameOrg === materialName ) {
|
|
|
|
material = materialOrg;
|
|
materialName = defaultMaterialName;
|
|
|
|
}
|
|
|
|
}
|
|
if ( ! THREE.LoaderSupport.Validator.isValid( material ) ) {
|
|
|
|
var materialCloneInstructions = {
|
|
materialNameOrg: materialNameOrg,
|
|
materialName: materialName,
|
|
materialProperties: {
|
|
vertexColors: haveVertexColors ? 2 : 0,
|
|
flatShading: meshOutputGroup.smoothingGroup === 0
|
|
}
|
|
};
|
|
var payload = {
|
|
cmd: 'materialData',
|
|
materials: {
|
|
materialCloneInstructions: materialCloneInstructions
|
|
}
|
|
};
|
|
this.callbackMeshBuilder( payload );
|
|
|
|
// fake entry for async; sync Parser always works on material references (Builder update directly visible here)
|
|
if ( this.useAsync ) this.materials[ materialName ] = materialCloneInstructions;
|
|
|
|
}
|
|
|
|
if ( createMultiMaterial ) {
|
|
|
|
// re-use material if already used before. Reduces materials array size and eliminates duplicates
|
|
selectedMaterialIndex = materialIndexMapping[ materialName ];
|
|
if ( ! selectedMaterialIndex ) {
|
|
|
|
selectedMaterialIndex = materialIndex;
|
|
materialIndexMapping[ materialName ] = materialIndex;
|
|
materialNames.push( materialName );
|
|
materialIndex++;
|
|
|
|
}
|
|
materialGroupLength = this.useIndices ? meshOutputGroup.indices.length : meshOutputGroup.vertices.length / 3;
|
|
materialGroup = {
|
|
start: materialGroupOffset,
|
|
count: materialGroupLength,
|
|
index: selectedMaterialIndex
|
|
};
|
|
materialGroups.push( materialGroup );
|
|
materialGroupOffset += materialGroupLength;
|
|
|
|
} else {
|
|
|
|
materialNames.push( materialName );
|
|
|
|
}
|
|
|
|
vertexFA.set( meshOutputGroup.vertices, vertexFAOffset );
|
|
vertexFAOffset += meshOutputGroup.vertices.length;
|
|
|
|
if ( indexUA ) {
|
|
|
|
indexUA.set( meshOutputGroup.indices, indexUAOffset );
|
|
indexUAOffset += meshOutputGroup.indices.length;
|
|
|
|
}
|
|
|
|
if ( colorFA ) {
|
|
|
|
colorFA.set( meshOutputGroup.colors, colorFAOffset );
|
|
colorFAOffset += meshOutputGroup.colors.length;
|
|
|
|
}
|
|
|
|
if ( normalFA ) {
|
|
|
|
normalFA.set( meshOutputGroup.normals, normalFAOffset );
|
|
normalFAOffset += meshOutputGroup.normals.length;
|
|
|
|
}
|
|
if ( uvFA ) {
|
|
|
|
uvFA.set( meshOutputGroup.uvs, uvFAOffset );
|
|
uvFAOffset += meshOutputGroup.uvs.length;
|
|
|
|
}
|
|
|
|
if ( this.logging.enabled && this.logging.debug ) {
|
|
var materialIndexLine = THREE.LoaderSupport.Validator.isValid( selectedMaterialIndex ) ? '\n\t\tmaterialIndex: ' + selectedMaterialIndex : '';
|
|
var createdReport = '\tOutput Object no.: ' + this.outputObjectCount +
|
|
'\n\t\tgroupName: ' + meshOutputGroup.groupName +
|
|
'\n\t\tIndex: ' + meshOutputGroup.index +
|
|
'\n\t\tfaceType: ' + this.rawMesh.faceType +
|
|
'\n\t\tmaterialName: ' + meshOutputGroup.materialName +
|
|
'\n\t\tsmoothingGroup: ' + meshOutputGroup.smoothingGroup +
|
|
materialIndexLine +
|
|
'\n\t\tobjectName: ' + meshOutputGroup.objectName +
|
|
'\n\t\t#vertices: ' + meshOutputGroup.vertices.length / 3 +
|
|
'\n\t\t#indices: ' + meshOutputGroup.indices.length +
|
|
'\n\t\t#colors: ' + meshOutputGroup.colors.length / 3 +
|
|
'\n\t\t#uvs: ' + meshOutputGroup.uvs.length / 2 +
|
|
'\n\t\t#normals: ' + meshOutputGroup.normals.length / 3;
|
|
console.debug( createdReport );
|
|
}
|
|
|
|
}
|
|
|
|
this.outputObjectCount++;
|
|
this.callbackMeshBuilder(
|
|
{
|
|
cmd: 'meshData',
|
|
progress: {
|
|
numericalValue: this.globalCounts.currentByte / this.globalCounts.totalBytes
|
|
},
|
|
params: {
|
|
meshName: result.name
|
|
},
|
|
materials: {
|
|
multiMaterial: createMultiMaterial,
|
|
materialNames: materialNames,
|
|
materialGroups: materialGroups
|
|
},
|
|
buffers: {
|
|
vertices: vertexFA,
|
|
indices: indexUA,
|
|
colors: colorFA,
|
|
normals: normalFA,
|
|
uvs: uvFA
|
|
},
|
|
// 0: mesh, 1: line, 2: point
|
|
geometryType: this.rawMesh.faceType < 4 ? 0 : ( this.rawMesh.faceType === 6 ) ? 2 : 1
|
|
},
|
|
[ vertexFA.buffer ],
|
|
THREE.LoaderSupport.Validator.isValid( indexUA ) ? [ indexUA.buffer ] : null,
|
|
THREE.LoaderSupport.Validator.isValid( colorFA ) ? [ colorFA.buffer ] : null,
|
|
THREE.LoaderSupport.Validator.isValid( normalFA ) ? [ normalFA.buffer ] : null,
|
|
THREE.LoaderSupport.Validator.isValid( uvFA ) ? [ uvFA.buffer ] : null
|
|
);
|
|
};
|
|
|
|
Parser.prototype.finalizeParsing = function () {
|
|
if ( this.logging.enabled ) console.info( 'Global output object count: ' + this.outputObjectCount );
|
|
if ( this.processCompletedMesh() && this.logging.enabled ) {
|
|
|
|
var parserFinalReport = 'Overall counts: ' +
|
|
'\n\tVertices: ' + this.globalCounts.vertices +
|
|
'\n\tFaces: ' + this.globalCounts.faces +
|
|
'\n\tMultiple definitions: ' + this.globalCounts.doubleIndicesCount;
|
|
console.info( parserFinalReport );
|
|
|
|
}
|
|
};
|
|
|
|
return Parser;
|
|
})();
|
|
|
|
/**
|
|
* Utility method for loading an mtl file according resource description. Provide url or content.
|
|
* @memberOf THREE.OBJLoader2
|
|
*
|
|
* @param {string} url URL to the file
|
|
* @param {Object} content The file content as arraybuffer or text
|
|
* @param {function} callbackOnLoad Callback to be called after successful load
|
|
* @param {string} [crossOrigin] CORS value
|
|
* @param {Object} [materialOptions] Set material loading options for MTLLoader
|
|
*/
|
|
OBJLoader2.prototype.loadMtl = function ( url, content, callbackOnLoad, crossOrigin, materialOptions ) {
|
|
var resource = new THREE.LoaderSupport.ResourceDescriptor( url, 'MTL' );
|
|
resource.setContent( content );
|
|
this._loadMtl( resource, callbackOnLoad, crossOrigin, materialOptions );
|
|
};
|
|
|
|
|
|
OBJLoader2.prototype._loadMtl = function ( resource, callbackOnLoad, crossOrigin, materialOptions ) {
|
|
if ( THREE.MTLLoader === undefined ) console.error( '"THREE.MTLLoader" is not available. "THREE.OBJLoader2" requires it for loading MTL files.' );
|
|
if ( Validator.isValid( resource ) && this.logging.enabled ) console.time( 'Loading MTL: ' + resource.name );
|
|
|
|
var materials = [];
|
|
var scope = this;
|
|
var processMaterials = function ( materialCreator ) {
|
|
var materialCreatorMaterials = [];
|
|
if ( Validator.isValid( materialCreator ) ) {
|
|
|
|
materialCreator.preload();
|
|
materialCreatorMaterials = materialCreator.materials;
|
|
for ( var materialName in materialCreatorMaterials ) {
|
|
|
|
if ( materialCreatorMaterials.hasOwnProperty( materialName ) ) {
|
|
|
|
materials[ materialName ] = materialCreatorMaterials[ materialName ];
|
|
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( Validator.isValid( resource ) && scope.logging.enabled ) console.timeEnd( 'Loading MTL: ' + resource.name );
|
|
callbackOnLoad( materials, materialCreator );
|
|
};
|
|
|
|
// fast-fail
|
|
if ( ! Validator.isValid( resource ) || ( ! Validator.isValid( resource.content ) && ! Validator.isValid( resource.url ) ) ) {
|
|
|
|
processMaterials();
|
|
|
|
} else {
|
|
|
|
var mtlLoader = new THREE.MTLLoader( this.manager );
|
|
crossOrigin = Validator.verifyInput( crossOrigin, 'anonymous' );
|
|
mtlLoader.setCrossOrigin( crossOrigin );
|
|
mtlLoader.setPath( resource.path );
|
|
if ( Validator.isValid( materialOptions ) ) mtlLoader.setMaterialOptions( materialOptions );
|
|
|
|
if ( Validator.isValid( resource.content ) ) {
|
|
|
|
processMaterials( Validator.isValid( resource.content ) ? mtlLoader.parse( resource.content ) : null );
|
|
|
|
} else if ( Validator.isValid( resource.url ) ) {
|
|
|
|
var fileLoader = new THREE.FileLoader( this.manager );
|
|
fileLoader.load( resource.url, function ( text ) {
|
|
|
|
resource.content = text;
|
|
processMaterials( mtlLoader.parse( text ) );
|
|
|
|
}, this._onProgress, this._onError );
|
|
|
|
}
|
|
}
|
|
};
|
|
|
|
return OBJLoader2;
|
|
})();
|