Add existing to tracked

node_modules/@cesium/engine/Source/Scene/Tileset3DTileContent.js

@@ -0,0 +1,149 @@
+import destroyObject from "../Core/destroyObject.js";
+
+/**
+ * Represents content for a tile in a
+ * {@link https://github.com/CesiumGS/3d-tiles/tree/main/specification|3D Tiles} tileset whose
+ * content points to another 3D Tiles tileset.
+ * <p>
+ * Implements the {@link Cesium3DTileContent} interface.
+ * </p>
+ *
+ * @implements Cesium3DTileContent
+ * @private
+ */
+class Tileset3DTileContent {
+  constructor(tileset, tile, resource) {
+    this._tileset = tileset;
+    this._tile = tile;
+    this._resource = resource;
+
+    this.featurePropertiesDirty = false;
+
+    this._metadata = undefined;
+    this._group = undefined;
+
+    this._ready = false;
+  }
+
+  get featuresLength() {
+    return 0;
+  }
+
+  get pointsLength() {
+    return 0;
+  }
+
+  get trianglesLength() {
+    return 0;
+  }
+
+  get geometryByteLength() {
+    return 0;
+  }
+
+  get texturesByteLength() {
+    return 0;
+  }
+
+  get batchTableByteLength() {
+    return 0;
+  }
+
+  get innerContents() {
+    return undefined;
+  }
+
+  /**
+   * Returns true when the tile's content is ready to render; otherwise false
+   *
+   *
+   * @type {boolean}
+   * @readonly
+   * @private
+   */
+  get ready() {
+    return this._ready;
+  }
+
+  get tileset() {
+    return this._tileset;
+  }
+
+  get tile() {
+    return this._tile;
+  }
+
+  get url() {
+    return this._resource.getUrlComponent(true);
+  }
+
+  get batchTable() {
+    return undefined;
+  }
+
+  get metadata() {
+    return this._metadata;
+  }
+
+  set metadata(value) {
+    this._metadata = value;
+  }
+
+  get group() {
+    return this._group;
+  }
+
+  set group(value) {
+    this._group = value;
+  }
+
+  /**
+   * Creates an instance of Tileset3DTileContent from a parsed JSON object
+   * @param {Cesium3DTileset} tileset
+   * @param {Cesium3DTile} tile
+   * @param {Resource} resource
+   * @param {object} json
+   * @returns {Tileset3DTileContent}
+   */
+  static fromJson(tileset, tile, resource, json) {
+    const content = new Tileset3DTileContent(tileset, tile, resource);
+    content._tileset.loadTileset(content._resource, json, content._tile);
+    content._ready = true;
+
+    return content;
+  }
+
+  /**
+   * Part of the {@link Cesium3DTileContent} interface.  <code>Tileset3DTileContent</code>
+   * always returns <code>false</code> since a tile of this type does not have any features.
+   */
+  hasProperty(batchId, name) {
+    return false;
+  }
+
+  /**
+   * Part of the {@link Cesium3DTileContent} interface.  <code>Tileset3DTileContent</code>
+   * always returns <code>undefined</code> since a tile of this type does not have any features.
+   */
+  getFeature(batchId) {
+    return undefined;
+  }
+
+  applyDebugSettings(enabled, color) {}
+  applyStyle(style) {}
+  update(tileset, frameState) {}
+
+  pick(ray, frameState, result) {
+    return undefined;
+  }
+
+  isDestroyed() {
+    return false;
+  }
+
+  destroy() {
+    return destroyObject(this);
+  }
+}
+
+export default Tileset3DTileContent;