cesiumDemo/Source/Scene/Cesium3DTileContentFactory.js

import Batched3DModel3DTileContent from './Batched3DModel3DTileContent.js';
import Composite3DTileContent from './Composite3DTileContent.js';
import Geometry3DTileContent from './Geometry3DTileContent.js';
import Instanced3DModel3DTileContent from './Instanced3DModel3DTileContent.js';
import PointCloud3DTileContent from './PointCloud3DTileContent.js';
import Tileset3DTileContent from './Tileset3DTileContent.js';
import Vector3DTileContent from './Vector3DTileContent.js';

    /**
     * Maps a tile's magic field in its header to a new content object for the tile's payload.
     *
     * @private
     */
    var Cesium3DTileContentFactory = {
        b3dm : function(tileset, tile, resource, arrayBuffer, byteOffset) {
            return new Batched3DModel3DTileContent(tileset, tile, resource, arrayBuffer, byteOffset);
        },
        pnts : function(tileset, tile, resource, arrayBuffer, byteOffset) {
            return new PointCloud3DTileContent(tileset, tile, resource, arrayBuffer, byteOffset);
        },
        i3dm : function(tileset, tile, resource, arrayBuffer, byteOffset) {
            return new Instanced3DModel3DTileContent(tileset, tile, resource, arrayBuffer, byteOffset);
        },
        cmpt : function(tileset, tile, resource, arrayBuffer, byteOffset) {
            // Send in the factory in order to avoid a cyclical dependency
            return new Composite3DTileContent(tileset, tile, resource, arrayBuffer, byteOffset, Cesium3DTileContentFactory);
        },
        json : function(tileset, tile, resource, arrayBuffer, byteOffset) {
            return new Tileset3DTileContent(tileset, tile, resource, arrayBuffer, byteOffset);
        },
        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);
        }
    };
export default Cesium3DTileContentFactory;