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/**
* @author Kai Salmen / https://kaisalmen.de
* Development repository: https://github.com/kaisalmen/WWOBJLoader
*/
import {
LineBasicMaterial,
MaterialLoader,
MeshStandardMaterial,
PointsMaterial,
VertexColors
} 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 ) {
let defaultMaterial = new MeshStandardMaterial( { color: 0xDCF1FF } );
defaultMaterial.name = 'defaultMaterial';
let defaultVertexColorMaterial = new MeshStandardMaterial( { color: 0xDCF1FF } );
defaultVertexColorMaterial.name = 'defaultVertexColorMaterial';
defaultVertexColorMaterial.vertexColors = VertexColors;
let defaultLineMaterial = new LineBasicMaterial();
defaultLineMaterial.name = 'defaultLineMaterial';
let defaultPointMaterial = new PointsMaterial( { size: 0.1 } );
defaultPointMaterial.name = 'defaultPointMaterial';
let 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;
let materialCloneInstructions = materialPayload.materials.materialCloneInstructions;
let newMaterials = {};
if ( materialCloneInstructions !== undefined && materialCloneInstructions !== null ) {
let materialNameOrg = materialCloneInstructions.materialNameOrg;
materialNameOrg = ( materialNameOrg !== undefined && materialNameOrg !== null ) ? materialNameOrg : "";
let 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 ) {
let 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 ( let 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 () {
let materialsJSON = {};
let material;
for ( let materialName in this.materials ) {
material = this.materials[ materialName ];
materialsJSON[ materialName ] = material.toJSON();
}
return materialsJSON;
},
/**
* Removes all materials
*/
clearMaterials: function () {
this.materials = {};
}
};
export { MaterialHandler };
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