1 /* 2 * Copyright (c) 2024 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef SCENEPLUGIN_ASSETMANAGER_H 17 #define SCENEPLUGIN_ASSETMANAGER_H 18 19 #include <scene_plugin/interface/intf_asset_loader.h> 20 #include <scene_plugin/interface/intf_asset_manager.h> 21 #include <scene_plugin/interface/intf_entity_collection.h> 22 23 #include "ecs_serializer.h" 24 25 SCENE_BEGIN_NAMESPACE() 26 27 class AssetManager : public IAssetManager { 28 public: 29 AssetManager(RENDER_NS::IRenderContext& renderContext, CORE3D_NS::IGraphicsContext& graphicsContext); 30 virtual ~AssetManager(); 31 32 // 33 // From IAssetManager 34 // 35 ExtensionType GetExtensionType(BASE_NS::string_view ext) const override; 36 37 IAssetLoader::Ptr CreateAssetLoader( 38 IEntityCollection& ec, BASE_NS::string_view src, BASE_NS::string_view contextUri) override; 39 40 bool LoadAsset(IEntityCollection& ec, BASE_NS::string_view uri, BASE_NS::string_view contextUri) override; 41 42 bool SaveJsonEntityCollection( 43 const IEntityCollection& ec, BASE_NS::string_view uri, BASE_NS::string_view contextUri) const override; 44 45 IEntityCollection* LoadAssetToCache(CORE_NS::IEcs& ecs, BASE_NS::string_view cacheUri, BASE_NS::string_view uri, 46 BASE_NS::string_view contextUri, bool active, bool forceReload) override; 47 48 bool IsCachedCollection(BASE_NS::string_view uri, BASE_NS::string_view contextUri) const override; 49 IEntityCollection* CreateCachedCollection( 50 CORE_NS::IEcs& ecs, BASE_NS::string_view uri, BASE_NS::string_view contextUri) override; 51 IEntityCollection* GetCachedCollection(BASE_NS::string_view uri, BASE_NS::string_view contextUri) const override; 52 void RemoveFromCache(BASE_NS::string_view uri, BASE_NS::string_view contextUri) override; 53 void ClearCache() override; 54 55 void RefreshAsset(IEntityCollection& ec, bool active) override; 56 57 IEntityCollection* InstantiateCollection( 58 IEntityCollection& ec, BASE_NS::string_view uri, BASE_NS::string_view contextUri) override; 59 60 IEcsSerializer& GetEcsSerializer() override; 61 62 // 63 // From IEcsSerializer::IListener 64 // 65 IEntityCollection* GetExternalCollection( 66 CORE_NS::IEcs& ecs, BASE_NS::string_view uri, BASE_NS::string_view contextUri) override; 67 68 protected: 69 void Destroy() override; 70 71 private: 72 RENDER_NS::IRenderContext& renderContext_; 73 CORE3D_NS::IGraphicsContext& graphicsContext_; 74 EcsSerializer ecsSerializer_; 75 76 // Mapping from uri to a collection of entities. The entities live in the ECS but we need to keep track of some kind 77 // of internal ownership of each cached entity. 78 BASE_NS::unordered_map<BASE_NS::string, IEntityCollection::Ptr> cacheCollections_; 79 }; 80 81 SCENE_END_NAMESPACE() 82 83 #endif // SCENEPLUGIN_ASSETMANAGER_H 84