import { Color3 } from "@babylonjs/core/Maths/math.color.js"; import { PBRMaterial } from "@babylonjs/core/Materials/PBR/pbrMaterial.js"; import { GLTFLoader } from "../glTFLoader.js"; const NAME = "KHR_materials_pbrSpecularGlossiness"; /** * [Specification](https://github.com/KhronosGroup/glTF/blob/main/extensions/2.0/Archived/KHR_materials_pbrSpecularGlossiness/README.md) */ // eslint-disable-next-line @typescript-eslint/naming-convention export class KHR_materials_pbrSpecularGlossiness { /** * @internal */ constructor(loader) { /** * The name of this extension. */ this.name = NAME; /** * Defines a number that determines the order the extensions are applied. */ this.order = 200; this._loader = loader; this.enabled = this._loader.isExtensionUsed(NAME); } /** @internal */ dispose() { this._loader = null; } /** * @internal */ loadMaterialPropertiesAsync(context, material, babylonMaterial) { return GLTFLoader.LoadExtensionAsync(context, material, this.name, (extensionContext, extension) => { const promises = new Array(); promises.push(this._loader.loadMaterialBasePropertiesAsync(context, material, babylonMaterial)); promises.push(this._loadSpecularGlossinessPropertiesAsync(extensionContext, extension, babylonMaterial)); this._loader.loadMaterialAlphaProperties(context, material, babylonMaterial); return Promise.all(promises).then(() => { }); }); } _loadSpecularGlossinessPropertiesAsync(context, properties, babylonMaterial) { if (!(babylonMaterial instanceof PBRMaterial)) { throw new Error(`${context}: Material type not supported`); } const promises = new Array(); babylonMaterial.metallic = null; babylonMaterial.roughness = null; if (properties.diffuseFactor) { babylonMaterial.albedoColor = Color3.FromArray(properties.diffuseFactor); babylonMaterial.alpha = properties.diffuseFactor[3]; } else { babylonMaterial.albedoColor = Color3.White(); } babylonMaterial.reflectivityColor = properties.specularFactor ? Color3.FromArray(properties.specularFactor) : Color3.White(); babylonMaterial.microSurface = properties.glossinessFactor == undefined ? 1 : properties.glossinessFactor; if (properties.diffuseTexture) { promises.push(this._loader.loadTextureInfoAsync(`${context}/diffuseTexture`, properties.diffuseTexture, (texture) => { texture.name = `${babylonMaterial.name} (Diffuse)`; babylonMaterial.albedoTexture = texture; })); } if (properties.specularGlossinessTexture) { promises.push(this._loader.loadTextureInfoAsync(`${context}/specularGlossinessTexture`, properties.specularGlossinessTexture, (texture) => { texture.name = `${babylonMaterial.name} (Specular Glossiness)`; babylonMaterial.reflectivityTexture = texture; babylonMaterial.reflectivityTexture.hasAlpha = true; })); babylonMaterial.useMicroSurfaceFromReflectivityMapAlpha = true; } return Promise.all(promises).then(() => { }); } } GLTFLoader.RegisterExtension(NAME, (loader) => new KHR_materials_pbrSpecularGlossiness(loader)); //# sourceMappingURL=KHR_materials_pbrSpecularGlossiness.js.map