@babylonjs/viewer
Version:
The Babylon Viewer aims to simplify a specific but common Babylon.js use case: loading, viewing, and interacting with a 3D model.
147 lines (143 loc) • 6.84 kB
JavaScript
import { b as GLTFLoader } from './glTFLoader.pure-BaIedO7s.esm.js';
import { i as Color3, bo as unregisterGLTFExtension, bp as registerGLTFExtension } from './index-MZPybX0H.esm.js';
import './morphTargetManager-CK7B3gaT.esm.js';
import './bone.pure-CjsCww39.esm.js';
import './skeleton-D7Sw58cv.esm.js';
import './assetContainer-Bm0vsreJ.esm.js';
import './objectModelMapping-De5EKNEZ.esm.js';
import './spotLight.pure-CRdZC6Ci.esm.js';
const NAME = "KHR_materials_coat";
/**
* [Specification](https://github.com/KhronosGroup/glTF/blob/6cb2cb84b504c245c49cf2e9a8ae16d26f72ac97/extensions/2.0/Khronos/KHR_materials_coat/README.md)
* @experimental
*/
// eslint-disable-next-line @typescript-eslint/naming-convention
class KHR_materials_coat {
/**
* @internal
*/
constructor(loader) {
/**
* The name of this extension.
*/
this.name = NAME;
/**
* Defines a number that determines the order the extensions are applied.
*/
this.order = 191;
/**
* Defines whether the KHR_materials_openpbr extension is used, indicating that
* the material should be interpreted as OpenPBR (for coat, this might be necessary
* to interpret anisotropy correctly).
*/
this.useOpenPBR = false;
this._loader = loader;
this.enabled = this._loader.isExtensionUsed(NAME);
}
/** @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));
if (material.extensions && material.extensions["KHR_materials_openpbr"]) {
this.useOpenPBR = true;
}
promises.push(this._loadCoatPropertiesAsync(extensionContext, extension, babylonMaterial));
await Promise.all(promises);
});
}
// eslint-disable-next-line @typescript-eslint/promise-function-async, no-restricted-syntax
_loadCoatPropertiesAsync(context, properties, babylonMaterial) {
const adapter = this._loader._getOrCreateMaterialAdapter(babylonMaterial);
const promises = new Array();
// Set non-texture properties immediately
adapter.configureCoat();
adapter.coatWeight = properties.coatFactor !== undefined ? properties.coatFactor : 0;
adapter.coatRoughness = properties.coatRoughnessFactor !== undefined ? properties.coatRoughnessFactor : 0;
// Load textures
if (properties.coatTexture) {
promises.push(this._loader.loadTextureInfoAsync(`${context}/coatTexture`, properties.coatTexture, (texture) => {
texture.name = `${babylonMaterial.name} (Coat)`;
adapter.coatWeightTexture = texture;
}));
}
if (properties.coatRoughnessTexture) {
properties.coatRoughnessTexture.nonColorData = true;
promises.push(this._loader.loadTextureInfoAsync(`${context}/coatRoughnessTexture`, properties.coatRoughnessTexture, (texture) => {
texture.name = `${babylonMaterial.name} (Coat Roughness)`;
adapter.coatRoughnessTexture = texture;
}));
}
if (properties.coatNormalTexture) {
properties.coatNormalTexture.nonColorData = true;
promises.push(this._loader.loadTextureInfoAsync(`${context}/coatNormalTexture`, properties.coatNormalTexture, (texture) => {
texture.name = `${babylonMaterial.name} (Coat Normal)`;
adapter.geometryCoatNormalTexture = texture;
if (properties.coatNormalTexture?.scale != undefined) {
adapter.geometryCoatNormalTextureScale = properties.coatNormalTexture.scale;
}
}));
adapter.setNormalMapInversions(!babylonMaterial.getScene().useRightHandedSystem, babylonMaterial.getScene().useRightHandedSystem);
}
adapter.coatDarkening = properties.coatDarkeningFactor !== undefined ? properties.coatDarkeningFactor : 1;
adapter.coatIor = properties.coatIor !== undefined ? properties.coatIor : 1.5;
const colorFactor = Color3.White();
if (properties.coatColorFactor !== undefined) {
colorFactor.fromArray(properties.coatColorFactor);
}
adapter.coatColor = colorFactor;
if (properties.coatColorTexture) {
promises.push(this._loader.loadTextureInfoAsync(`${context}/coatColorTexture`, properties.coatColorTexture, (texture) => {
texture.name = `${babylonMaterial.name} (Coat Color)`;
adapter.coatColorTexture = texture;
}));
}
// Set non-texture properties immediately
const coatAnisotropyWeight = properties.coatAnisotropyStrength ?? 0;
const coatAnisotropyAngle = properties.coatAnisotropyRotation ?? 0;
adapter.coatRoughnessAnisotropy = coatAnisotropyWeight;
adapter.geometryCoatTangentAngle = coatAnisotropyAngle;
// Check if this is glTF-style anisotropy
if (!this.useOpenPBR) {
adapter.configureGltfStyleAnisotropy(true);
}
// Load texture if present
if (properties.coatAnisotropyTexture) {
properties.coatAnisotropyTexture.nonColorData = true;
promises.push(this._loader.loadTextureInfoAsync(`${context}/coatAnisotropyTexture`, properties.coatAnisotropyTexture, (texture) => {
texture.name = `${babylonMaterial.name} (Coat Anisotropy)`;
adapter.geometryCoatTangentTexture = texture;
}));
}
// eslint-disable-next-line github/no-then
return Promise.all(promises).then(() => { });
}
}
let _Registered = false;
/**
* Registers the KHR_materials_coat glTF loader extension.
* Safe to call multiple times; only the first call has an effect.
*/
// eslint-disable-next-line @typescript-eslint/naming-convention
function RegisterKHR_materials_coat() {
if (_Registered) {
return;
}
_Registered = true;
unregisterGLTFExtension(NAME);
registerGLTFExtension(NAME, true, (loader) => new KHR_materials_coat(loader));
}
/**
* Re-exports the pure implementation and applies the runtime registration side effect.
* Import "./KHR_materials_coat.pure" for tree-shakeable, side-effect-free usage.
*/
RegisterKHR_materials_coat();
export { KHR_materials_coat, RegisterKHR_materials_coat };
//# sourceMappingURL=KHR_materials_coat-_ZapL4D0.esm.js.map