Add existing to tracked

node_modules/@cesium/engine/Source/Scene/Cesium3DTileContentFactory.js

@@ -0,0 +1,135 @@
+import Composite3DTileContent from "./Composite3DTileContent.js";
+import Geometry3DTileContent from "./Geometry3DTileContent.js";
+import Implicit3DTileContent from "./Implicit3DTileContent.js";
+import Model3DTileContent from "./Model/Model3DTileContent.js";
+import Tileset3DTileContent from "./Tileset3DTileContent.js";
+import Vector3DTileContent from "./Vector3DTileContent.js";
+import VectorGltf3DTileContent from "./VectorGltf3DTileContent.js";
+import GaussianSplat3DTileContent from "./GaussianSplat3DTileContent.js";
+import RuntimeError from "../Core/RuntimeError.js";
+
+/**
+ * Maps a tile's magic field in its header to a new content object for the tile's payload.
+ *
+ * @private
+ */
+const Cesium3DTileContentFactory = {
+  b3dm: function (tileset, tile, resource, arrayBuffer, byteOffset) {
+    return Model3DTileContent.fromB3dm(
+      tileset,
+      tile,
+      resource,
+      arrayBuffer,
+      byteOffset,
+    );
+  },
+  pnts: function (tileset, tile, resource, arrayBuffer, byteOffset) {
+    return Model3DTileContent.fromPnts(
+      tileset,
+      tile,
+      resource,
+      arrayBuffer,
+      byteOffset,
+    );
+  },
+  i3dm: function (tileset, tile, resource, arrayBuffer, byteOffset) {
+    return Model3DTileContent.fromI3dm(
+      tileset,
+      tile,
+      resource,
+      arrayBuffer,
+      byteOffset,
+    );
+  },
+  cmpt: function (tileset, tile, resource, arrayBuffer, byteOffset) {
+    // Send in the factory in order to avoid a cyclical dependency
+    return Composite3DTileContent.fromTileType(
+      tileset,
+      tile,
+      resource,
+      arrayBuffer,
+      byteOffset,
+      Cesium3DTileContentFactory,
+    );
+  },
+  externalTileset: function (tileset, tile, resource, json) {
+    return Tileset3DTileContent.fromJson(tileset, tile, resource, json);
+  },
+  geom: function (tileset, tile, resource, arrayBuffer, byteOffset) {
+    return new Geometry3DTileContent(
+      tileset,
+      tile,
+      resource,
+      arrayBuffer,
+      byteOffset,
+    );
+  },
+  vctr: function (tileset, tile, resource, arrayBuffer, byteOffset) {
+    return new Vector3DTileContent(
+      tileset,
+      tile,
+      resource,
+      arrayBuffer,
+      byteOffset,
+    );
+  },
+  subt: function (tileset, tile, resource, arrayBuffer, byteOffset) {
+    return Implicit3DTileContent.fromSubtreeJson(
+      tileset,
+      tile,
+      resource,
+      undefined,
+      arrayBuffer,
+      byteOffset,
+    );
+  },
+  subtreeJson: function (tileset, tile, resource, json) {
+    return Implicit3DTileContent.fromSubtreeJson(tileset, tile, resource, json);
+  },
+  glb: function (tileset, tile, resource, arrayBuffer, byteOffset) {
+    const arrayBufferByteLength = arrayBuffer.byteLength;
+    if (arrayBufferByteLength < 12) {
+      throw new RuntimeError("Invalid glb content");
+    }
+    const dataView = new DataView(arrayBuffer, byteOffset);
+    const byteLength = dataView.getUint32(8, true);
+    const glb = new Uint8Array(arrayBuffer, byteOffset, byteLength);
+
+    if (
+      GaussianSplat3DTileContent.tilesetRequiresGaussianSplattingExt(tileset)
+    ) {
+      return GaussianSplat3DTileContent.fromGltf(tileset, tile, resource, glb);
+    }
+
+    // @deprecated CESIUM_mesh_vector to be removed after v1.142 release.
+    if (
+      tileset.hasExtension("3DTILES_content_gltf_vector") ||
+      tileset.isGltfExtensionUsed("CESIUM_mesh_vector")
+    ) {
+      return VectorGltf3DTileContent.fromGltf(tileset, tile, resource, glb);
+    }
+
+    return Model3DTileContent.fromGltf(tileset, tile, resource, glb);
+  },
+  gltf: function (tileset, tile, resource, json) {
+    if (
+      GaussianSplat3DTileContent.tilesetRequiresGaussianSplattingExt(tileset)
+    ) {
+      return GaussianSplat3DTileContent.fromGltf(tileset, tile, resource, json);
+    }
+
+    // @deprecated CESIUM_mesh_vector to be removed after v1.142 release.
+    if (
+      tileset.hasExtension("3DTILES_content_gltf_vector") ||
+      tileset.isGltfExtensionUsed("CESIUM_mesh_vector")
+    ) {
+      return VectorGltf3DTileContent.fromGltf(tileset, tile, resource, json);
+    }
+
+    return Model3DTileContent.fromGltf(tileset, tile, resource, json);
+  },
+  geoJson: function (tileset, tile, resource, json) {
+    return Model3DTileContent.fromGeoJson(tileset, tile, resource, json);
+  },
+};
+export default Cesium3DTileContentFactory;