@babylonjs/loaders
Version:
For usage documentation please visit https://doc.babylonjs.com/features/featuresDeepDive/importers/loadingFileTypes/.
69 lines • 3.16 kB
JavaScript
import { PBRMaterial } from "@babylonjs/core/Materials/PBR/pbrMaterial.js";
import { GLTFLoader } from "../glTFLoader.js";
import { registerGLTFExtension, unregisterGLTFExtension } from "../glTFLoaderExtensionRegistry.js";
import { Constants } from "@babylonjs/core/Engines/constants.js";
const NAME = "EXT_materials_diffuse_roughness";
/**
* [Specification](https://github.com/KhronosGroup/glTF/blob/fdee35425ae560ea378092e38977216d63a094ec/extensions/2.0/Khronos/EXT_materials_diffuse_roughness/README.md)
* @experimental
*/
// eslint-disable-next-line @typescript-eslint/naming-convention
export class EXT_materials_diffuse_roughness {
/**
* @internal
*/
constructor(loader) {
/**
* The name of this extension.
*/
this.name = NAME;
/**
* Defines a number that determines the order the extensions are applied.
*/
this.order = 190;
this._loader = loader;
this.enabled = this._loader.isExtensionUsed(NAME);
}
/** @internal */
dispose() {
this._loader = null;
}
/**
* @internal
*/
// eslint-disable-next-line @typescript-eslint/promise-function-async, no-restricted-syntax
loadMaterialPropertiesAsync(context, material, babylonMaterial) {
return GLTFLoader.LoadExtensionAsync(context, material, this.name, async (extensionContext, extension) => {
const promises = new Array();
promises.push(this._loader.loadMaterialPropertiesAsync(context, material, babylonMaterial));
promises.push(this._loadDiffuseRoughnessPropertiesAsync(extensionContext, extension, babylonMaterial));
// eslint-disable-next-line github/no-then
return await Promise.all(promises).then(() => { });
});
}
// eslint-disable-next-line @typescript-eslint/promise-function-async, no-restricted-syntax
_loadDiffuseRoughnessPropertiesAsync(context, properties, babylonMaterial) {
if (!(babylonMaterial instanceof PBRMaterial)) {
throw new Error(`${context}: Material type not supported`);
}
const promises = new Array();
babylonMaterial.brdf.baseDiffuseModel = Constants.MATERIAL_DIFFUSE_MODEL_E_OREN_NAYAR;
if (properties.diffuseRoughnessFactor != undefined) {
babylonMaterial.baseDiffuseRoughness = properties.diffuseRoughnessFactor;
}
else {
babylonMaterial.baseDiffuseRoughness = 0;
}
if (properties.diffuseRoughnessTexture) {
promises.push(this._loader.loadTextureInfoAsync(`${context}/diffuseRoughnessTexture`, properties.diffuseRoughnessTexture, (texture) => {
texture.name = `${babylonMaterial.name} (Diffuse Roughness)`;
babylonMaterial.baseDiffuseRoughnessTexture = texture;
}));
}
// eslint-disable-next-line github/no-then
return Promise.all(promises).then(() => { });
}
}
unregisterGLTFExtension(NAME);
registerGLTFExtension(NAME, true, (loader) => new EXT_materials_diffuse_roughness(loader));
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