/// <summary>
        /// Bakes a combined mesh.
        /// </summary>
        /// <param name="mom"></param>
        /// <param name="so">This is needed to work around a Unity bug where UnpackPrefabInstance corrupts
        /// a SerializedObject. Only needed for bake into prefab.</param>
        public static bool bake(MeshBakerCommon mom, ref SerializedObject so)
        {
            bool createdDummyTextureBakeResults = false;
            bool success = false;

            try
            {
                if (mom.meshCombiner.outputOption == OutputOptions.bakeIntoSceneObject ||
                    mom.meshCombiner.outputOption == OutputOptions.bakeIntoPrefab)
                {
                    success = MeshCombinerEditorFunctions.BakeIntoCombined(mom, out createdDummyTextureBakeResults, ref so);
                }
                else
                {
                    //bake meshes in place
                    if (mom is MeshCombinerEntrance)
                    {
                        ValidationLevel vl = Application.isPlaying ? ValidationLevel.quick : ValidationLevel.robust;
                        if (!MeshBakerRoot.DoCombinedValidate(mom, ObjsToCombineTypes.prefabOnly, new EditorMethods(), vl))
                        {
                            return(false);
                        }

                        List <GameObject> objsToMesh = mom.GetObjectsToCombine();
                        ////success = MB3_BakeInPlace.BakeMeshesInPlace((MeshCombineHandler)((MeshCombinerEntrance)mom).meshCombiner, objsToMesh, mom.bakeAssetsInPlaceFolderPath, mom.clearBuffersAfterBake, updateProgressBar);
                    }
                    else
                    {
                        //多网格合并无法 Bake In Place
                        Debug.LogError("Multi-mesh Baker components cannot be used for Bake In Place. Use an ordinary Mesh Baker object instead.");
                    }
                }
                mom.meshCombiner.CheckIntegrity();
            }
            catch (Exception e)
            {
                Debug.LogError(e);
            }
            finally
            {
                if (createdDummyTextureBakeResults && mom.textureBakeResults != null)
                {
                    MeshBakerUtility.Destroy(mom.textureBakeResults);
                    mom.textureBakeResults = null;
                }
                EditorUtility.ClearProgressBar();
            }
            return(success);
        }