add Potree (version 1.8)

PointCloudWeb.Web/public/Potree/libs/three.js/loaders/obj2/shared/MaterialHandler.js

@@ -0,0 +1,276 @@
+/**
+ * Development repository: https://github.com/kaisalmen/WWOBJLoader
+ */
+
+import {
+	LineBasicMaterial,
+	MaterialLoader,
+	MeshStandardMaterial,
+	PointsMaterial
+} from '../../../../../build/three.module.js';
+
+
+const MaterialHandler = function () {
+
+	this.logging = {
+		enabled: false,
+		debug: false
+	};
+
+	this.callbacks = {
+		onLoadMaterials: null
+	};
+	this.materials = {};
+
+};
+
+MaterialHandler.prototype = {
+
+	constructor: MaterialHandler,
+
+	/**
+	 * Enable or disable logging in general (except warn and error), plus enable or disable debug logging.
+	 *
+	 * @param {boolean} enabled True or false.
+	 * @param {boolean} debug True or false.
+	 */
+	setLogging:	function ( enabled, debug ) {
+
+		this.logging.enabled = enabled === true;
+		this.logging.debug = debug === true;
+
+	},
+
+	_setCallbacks: function ( onLoadMaterials ) {
+
+		if ( onLoadMaterials !== undefined && onLoadMaterials !== null && onLoadMaterials instanceof Function ) {
+
+			this.callbacks.onLoadMaterials = onLoadMaterials;
+
+		}
+
+	},
+
+	/**
+	 * Creates default materials and adds them to the materials object.
+	 *
+	 * @param overrideExisting boolean Override existing material
+	 */
+	createDefaultMaterials: function ( overrideExisting ) {
+
+		const defaultMaterial = new MeshStandardMaterial( { color: 0xDCF1FF } );
+		defaultMaterial.name = 'defaultMaterial';
+
+		const defaultVertexColorMaterial = new MeshStandardMaterial( { color: 0xDCF1FF } );
+		defaultVertexColorMaterial.name = 'defaultVertexColorMaterial';
+		defaultVertexColorMaterial.vertexColors = true;
+
+		const defaultLineMaterial = new LineBasicMaterial();
+		defaultLineMaterial.name = 'defaultLineMaterial';
+
+		const defaultPointMaterial = new PointsMaterial( { size: 0.1 } );
+		defaultPointMaterial.name = 'defaultPointMaterial';
+
+		const runtimeMaterials = {};
+		runtimeMaterials[ defaultMaterial.name ] = defaultMaterial;
+		runtimeMaterials[ defaultVertexColorMaterial.name ] = defaultVertexColorMaterial;
+		runtimeMaterials[ defaultLineMaterial.name ] = defaultLineMaterial;
+		runtimeMaterials[ defaultPointMaterial.name ] = defaultPointMaterial;
+
+		this.addMaterials( runtimeMaterials, overrideExisting );
+
+	},
+
+	/**
+	 * Updates the materials with contained material objects (sync) or from alteration instructions (async).
+	 *
+	 * @param {Object} materialPayload Material update instructions
+	 * @returns {Object} Map of {@link Material}
+	 */
+	addPayloadMaterials: function ( materialPayload ) {
+
+		let material, materialName;
+		const materialCloneInstructions = materialPayload.materials.materialCloneInstructions;
+		let newMaterials = {};
+
+		if ( materialCloneInstructions !== undefined && materialCloneInstructions !== null ) {
+
+			let materialNameOrg = materialCloneInstructions.materialNameOrg;
+			materialNameOrg = ( materialNameOrg !== undefined && materialNameOrg !== null ) ? materialNameOrg : '';
+			const materialOrg = this.materials[ materialNameOrg ];
+			if ( materialOrg ) {
+
+				material = materialOrg.clone();
+
+				materialName = materialCloneInstructions.materialName;
+				material.name = materialName;
+
+				Object.assign( material, materialCloneInstructions.materialProperties );
+
+				this.materials[ materialName ] = material;
+				newMaterials[ materialName ] = material;
+
+			} else {
+
+				if ( this.logging.enabled ) {
+
+					console.info( 'Requested material "' + materialNameOrg + '" is not available!' );
+
+				}
+
+			}
+
+		}
+
+		let materials = materialPayload.materials.serializedMaterials;
+
+		if ( materials !== undefined && materials !== null && Object.keys( materials ).length > 0 ) {
+
+			const loader = new MaterialLoader();
+			let materialJson;
+
+			for ( materialName in materials ) {
+
+				materialJson = materials[ materialName ];
+
+				if ( materialJson !== undefined && materialJson !== null ) {
+
+					material = loader.parse( materialJson );
+
+					if ( this.logging.enabled ) {
+
+						console.info( 'De-serialized material with name "' + materialName + '" will be added.' );
+
+					}
+
+					this.materials[ materialName ] = material;
+					newMaterials[ materialName ] = material;
+
+				}
+
+			}
+
+		}
+
+		materials = materialPayload.materials.runtimeMaterials;
+		newMaterials = this.addMaterials( materials, true, newMaterials );
+
+		return newMaterials;
+
+	},
+
+	/**
+	 * Set materials loaded by any supplier of an Array of {@link Material}.
+	 *
+	 * @param materials Object with named {@link Material}
+	 * @param overrideExisting boolean Override existing material
+	 * @param newMaterials [Object] with named {@link Material}
+	 */
+	addMaterials: function ( materials, overrideExisting, newMaterials ) {
+
+		if ( newMaterials === undefined || newMaterials === null ) {
+
+			newMaterials = {};
+
+		}
+
+		if ( materials !== undefined && materials !== null && Object.keys( materials ).length > 0 ) {
+
+			let material;
+			let existingMaterial;
+			let add;
+
+			for ( const materialName in materials ) {
+
+				material = materials[ materialName ];
+				add = overrideExisting === true;
+
+				if ( ! add ) {
+
+					existingMaterial = this.materials[ materialName ];
+					add = ( existingMaterial === null || existingMaterial === undefined );
+
+				}
+
+				if ( add ) {
+
+					this.materials[ materialName ] = material;
+					newMaterials[ materialName ] = material;
+
+				}
+
+				if ( this.logging.enabled && this.logging.debug ) {
+
+					console.info( 'Material with name "' + materialName + '" was added.' );
+
+				}
+
+			}
+
+		}
+
+		if ( this.callbacks.onLoadMaterials ) {
+
+			this.callbacks.onLoadMaterials( newMaterials );
+
+		}
+
+		return newMaterials;
+
+	},
+
+	/**
+	 * Returns the mapping object of material name and corresponding material.
+	 *
+	 * @returns {Object} Map of {@link Material}
+	 */
+	getMaterials: function () {
+
+		return this.materials;
+
+	},
+
+	/**
+	 *
+	 * @param {String} materialName
+	 * @returns {Material}
+	 */
+	getMaterial: function ( materialName ) {
+
+		return this.materials[ materialName ];
+
+	},
+
+	/**
+	 * Returns the mapping object of material name and corresponding jsonified material.
+	 *
+	 * @returns {Object} Map of Materials in JSON representation
+	 */
+	getMaterialsJSON: function () {
+
+		const materialsJSON = {};
+		let material;
+
+		for ( const materialName in this.materials ) {
+
+			material = this.materials[ materialName ];
+			materialsJSON[ materialName ] = material.toJSON();
+
+		}
+
+		return materialsJSON;
+
+	},
+
+	/**
+	 * Removes all materials
+	 */
+	clearMaterials: function () {
+
+		this.materials = {};
+
+	}
+
+};
+
+export { MaterialHandler };