Ejemplo n.º 1
0
 protected virtual bool _CreateTemporaryTextrueBakeResult(GameObject[] gos)
 {
     _usingTemporaryTextureBakeResult = true;
     _textureBakeResults = TextureBakeResults.CreateForMaterialsOnRenderer(gos);
     return(true);
 }
        /// <summary>
        ///  Bakes a combined mesh.
        ///  如果是从Inspector代码中调用的,则传入该组件的SerializedObject
        ///  对于“烘焙到预制”可能会损坏SerializedObject。这是必需的
        /// </summary>
        public static bool BakeIntoCombined(MeshBakerCommon mom, out bool createdDummyTextureBakeResults, ref SerializedObject so)
        {
            OutputOptions prefabOrSceneObject = mom.meshCombiner.outputOption;

            createdDummyTextureBakeResults = false;
            if (prefabOrSceneObject != OutputOptions.bakeIntoPrefab && prefabOrSceneObject != OutputOptions.bakeIntoSceneObject)
            {
                Debug.LogError("Paramater prefabOrSceneObject must be bakeIntoPrefab or bakeIntoSceneObject");
                return(false);
            }

            //从父物体获得 贴图合并组件及其贴图合并结果 Asset
            TextureCombineEntrance tb = mom.GetComponentInParent <TextureCombineEntrance>();

            if (mom.textureBakeResults == null && tb != null)
            {
                mom.textureBakeResults = tb.textureBakeResults;
            }
            //贴图合并结果为空时,则创建
            if (mom.textureBakeResults == null)
            {
                if (_OkToCreateDummyTextureBakeResult(mom))
                {
                    createdDummyTextureBakeResults = true;
                    List <GameObject> gos = mom.GetObjectsToCombine();
                    if (mom.GetNumObjectsInCombined() > 0)
                    {
                        if (mom.clearBuffersAfterBake)
                        {
                            mom.ClearMesh();
                        }
                        else
                        {
                            Debug.LogError("'Texture Bake Result' must be set to add more objects to a combined mesh that " +
                                           "already contains objects. Try enabling 'clear buffers after bake'");
                            return(false);
                        }
                    }
                    mom.textureBakeResults = TextureBakeResults.CreateForMaterialsOnRenderer(
                        gos.ToArray(),
                        mom.meshCombiner.GetMaterialsOnTargetRenderer());
                    Debug.Log("'Texture Bake Result' was not set. " +
                              "Creating a temporary one. Each material will be mapped to a separate submesh.");
                }
            }

            //合并检测
            ValidationLevel vl = Application.isPlaying ? ValidationLevel.quick : ValidationLevel.robust;

            if (!MeshBakerRoot.DoCombinedValidate(mom, ObjsToCombineTypes.sceneObjOnly, new EditorMethods(), vl))
            {
                return(false);
            }

            //检测空预制体资源是否已创建
            if (prefabOrSceneObject == OutputOptions.bakeIntoPrefab &&
                mom.resultPrefab == null)
            {
                Debug.LogError("Need to set the Combined Mesh Prefab field. " +
                               "Create a prefab asset, drag an empty game object into it, and drag it to the 'Combined Mesh Prefab' field.");
                return(false);
            }

            if (mom.meshCombiner.resultSceneObject != null &&
                (SceneBakerUtilityInEditor.GetPrefabType(mom.meshCombiner.resultSceneObject) == PrefabType.modelPrefab ||
                 SceneBakerUtilityInEditor.GetPrefabType(mom.meshCombiner.resultSceneObject) == PrefabType.prefab))
            {
                Debug.LogWarning("Result Game Object was a project asset not a scene object instance. Clearing this field.");
                mom.meshCombiner.resultSceneObject = null;
            }

            mom.ClearMesh();

            //合并
            if (mom.AddDeleteGameObjects(mom.GetObjectsToCombine().ToArray(), null, false))
            {
                mom.Apply(UnwrapUV2);
                if (createdDummyTextureBakeResults)
                {
                    //临时合并的贴图
                    Debug.Log(String.Format("Successfully baked {0} meshes each material is mapped to its own submesh.",
                                            mom.GetObjectsToCombine().Count));
                }
                else
                {
                    Debug.Log(String.Format("Successfully baked {0} meshes", mom.GetObjectsToCombine().Count));
                }


                if (prefabOrSceneObject == OutputOptions.bakeIntoSceneObject)
                {
                    PrefabType pt = SceneBakerUtilityInEditor.GetPrefabType(mom.meshCombiner.resultSceneObject);
                    if (pt == PrefabType.prefab || pt == PrefabType.modelPrefab)
                    {
                        Debug.LogError("Combined Mesh Object is a prefab asset. " +
                                       "If output option bakeIntoSceneObject then this must be an instance in the scene.");
                        return(false);
                    }
                }
                else if (prefabOrSceneObject == OutputOptions.bakeIntoPrefab)
                {
                    string prefabPth = AssetDatabase.GetAssetPath(mom.resultPrefab);
                    if (prefabPth == null || prefabPth.Length == 0)
                    {
                        Debug.LogError("无法保存,合并游戏物体并非磁盘上的资源。");
                        return(false);
                    }
                    string baseName    = Path.GetFileNameWithoutExtension(prefabPth);
                    string folderPath  = prefabPth.Substring(0, prefabPth.Length - baseName.Length - 7);
                    string newFilename = folderPath + baseName + "-mesh";

                    //保存网格资源
                    SaveMeshsToAssetDatabase(mom, folderPath, newFilename);

                    if (mom.meshCombiner.renderType == RendererType.skinnedMeshRenderer)
                    {
                        Debug.LogWarning("Render type is skinned mesh renderer. " +
                                         "Can't create prefab until all bones have been added to the combined mesh object " + mom.resultPrefab +
                                         " Add the bones then drag the combined mesh object to the prefab.");
                    }
                    //构建 Prefab
                    RebuildPrefab(mom, ref so);

                    MeshBakerUtility.Destroy(mom.meshCombiner.resultSceneObject);
                }
                else
                {
                    Debug.LogError("合并输出类型出错");
                    return(false);
                }
            }
            else
            {
                //加入合并失败
                if (mom.clearBuffersAfterBake)
                {
                    mom.meshCombiner.ClearBuffers();
                }
                if (createdDummyTextureBakeResults)
                {
                    MeshBakerUtility.Destroy(mom.textureBakeResults);
                }
                return(false);
            }

            //清除缓存数据
            if (mom.clearBuffersAfterBake)
            {
                mom.meshCombiner.ClearBuffers();
            }
            //临时Texture
            if (createdDummyTextureBakeResults)
            {
                MeshBakerUtility.Destroy(mom.textureBakeResults);
            }
            return(true);
        }