export gltf metadata classes (#1471)

Author: yy923683900

src/three/plugins/gltf/GLTFMeshFeaturesExtension.d.ts

@@ -1,4 +1,4 @@
-import { Vector3 } from 'three';
+import { Vector3, BufferGeometry, Texture } from 'three';
 import { GLTFLoaderPlugin } from 'three/examples/jsm/loaders/GLTFLoader.js';
 
 export class GLTFMeshFeaturesExtension implements GLTFLoaderPlugin {
@@ -9,6 +9,8 @@ export class GLTFMeshFeaturesExtension implements GLTFLoaderPlugin {
 
 export class MeshFeatures {
 
+	constructor( geometry: BufferGeometry, textures: Array<Texture | null>, data: any );
+
 	getFeatures( triangle: number, barycoord: Vector3 ): Array<number>;
 	getFeaturesAsync( triangle: number, barycoord: Vector3 ): Promise<Array<number>>;
 	getFeaturesInfo(): Array<{ label: string, propertyTable: number, nullFeatureId: number | null }>;

src/three/plugins/gltf/GLTFStructuralMetadataExtension.d.ts

@@ -1,4 +1,4 @@
-import { Vector3, Texture } from 'three';
+import { Vector3, Texture, Object3D } from 'three';
 import { GLTFLoaderPlugin } from 'three/examples/jsm/loaders/GLTFLoader.js';
 
 export class GLTFStructuralMetadataExtension implements GLTFLoaderPlugin {
@@ -9,6 +9,8 @@ export class GLTFStructuralMetadataExtension implements GLTFLoaderPlugin {
 
 export class StructuralMetadata {
 
+	constructor( definition: any, textures: Array<Texture | null>, buffers: Array<ArrayBuffer>, nodeMetadata?: any, object?: Object3D | null );
+
 	textures: Array<Texture | null>;
 
 	getPropertyTableData( tableIndices: Array<number>, ids: Array<number>, target: Array<Texture | null> ): Array<any>;

src/three/plugins/index.js

@@ -22,6 +22,10 @@ export * from './gltf/GLTFCesiumRTCExtension.js';
 export * from './gltf/GLTFStructuralMetadataExtension.js';
 export * from './gltf/GLTFMeshFeaturesExtension.js';
 
+// gltf metadata classes
+export * from './gltf/metadata/classes/MeshFeatures.js';
+export * from './gltf/metadata/classes/StructuralMetadata.js';
+
 // loaders
 export * from './loaders/WMTSCapabilitiesLoader.js';
 export * from './loaders/WMSCapabilitiesLoader.js';