@babylonjs/loaders
Version:
For usage documentation please visit https://doc.babylonjs.com/features/featuresDeepDive/importers/loadingFileTypes/.
74 lines • 3.57 kB
JavaScript
import { GLTFLoader } from "../glTFLoader.js";
import { Color3 } from "@babylonjs/core/Maths/math.color.js";
import { registerGLTFExtension, unregisterGLTFExtension } from "../glTFLoaderExtensionRegistry.js";
import { ensureTransmissionHelper } from "./transmissionHelper.js";
const NAME = "KHR_materials_diffuse_transmission";
/**
* [Proposed Specification](https://github.com/KhronosGroup/glTF/pull/1825)
* !!! Experimental Extension Subject to Changes !!!
*/
// eslint-disable-next-line @typescript-eslint/naming-convention
export class KHR_materials_diffuse_transmission {
/**
* @internal
*/
constructor(loader) {
/**
* The name of this extension.
*/
this.name = NAME;
/**
* Defines a number that determines the order the extensions are applied.
*/
this.order = 174;
this._loader = loader;
this.enabled = this._loader.isExtensionUsed(NAME);
if (this.enabled) {
loader.parent.transparencyAsCoverage = true;
}
}
/** @internal */
dispose() {
this._loader = null;
}
/**
* @internal
*/
// eslint-disable-next-line 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._loadTranslucentPropertiesAsync(extensionContext, material, babylonMaterial, extension));
return await Promise.all(promises).then(() => { });
});
}
// eslint-disable-next-line no-restricted-syntax, @typescript-eslint/promise-function-async
_loadTranslucentPropertiesAsync(context, material, babylonMaterial, extension) {
const adapter = this._loader._getOrCreateMaterialAdapter(babylonMaterial);
adapter.configureSubsurface();
adapter.subsurfaceWeight = extension.diffuseTransmissionFactor ?? 0;
if (adapter.subsurfaceWeight > 0) {
ensureTransmissionHelper(this._loader, babylonMaterial);
}
adapter.diffuseTransmissionTint = extension.diffuseTransmissionColorFactor !== undefined ? Color3.FromArray(extension.diffuseTransmissionColorFactor) : Color3.White();
const promises = new Array();
if (extension.diffuseTransmissionTexture) {
extension.diffuseTransmissionTexture.nonColorData = true;
promises.push(this._loader.loadTextureInfoAsync(`${context}/diffuseTransmissionTexture`, extension.diffuseTransmissionTexture).then((texture) => {
texture.name = `${babylonMaterial.name} (Diffuse Transmission)`;
adapter.subsurfaceWeightTexture = texture;
}));
}
if (extension.diffuseTransmissionColorTexture) {
promises.push(this._loader.loadTextureInfoAsync(`${context}/diffuseTransmissionColorTexture`, extension.diffuseTransmissionColorTexture).then((texture) => {
texture.name = `${babylonMaterial.name} (Diffuse Transmission Color)`;
adapter.diffuseTransmissionTintTexture = texture;
}));
}
return Promise.all(promises).then(() => { });
}
}
unregisterGLTFExtension(NAME);
registerGLTFExtension(NAME, true, (loader) => new KHR_materials_diffuse_transmission(loader));
//# sourceMappingURL=KHR_materials_diffuse_transmission.js.map