@babylonjs/loaders
Version:
For usage documentation please visit https://doc.babylonjs.com/features/featuresDeepDive/importers/loadingFileTypes/.
77 lines • 3.67 kB
JavaScript
import { Color3 } from "@babylonjs/core/Maths/math.color.js";
import { PBRMaterial } from "@babylonjs/core/Materials/PBR/pbrMaterial.js";
import { GLTFLoader } from "../glTFLoader.js";
import { registerGLTFExtension, unregisterGLTFExtension } from "../glTFLoaderExtensionRegistry.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(() => { });
}
}
unregisterGLTFExtension(NAME);
registerGLTFExtension(NAME, true, (loader) => new KHR_materials_pbrSpecularGlossiness(loader));
//# sourceMappingURL=KHR_materials_pbrSpecularGlossiness.js.map