1 /* 2 * Copyright (C) 2023 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 CORE_ENGINE_H 17 #define CORE_ENGINE_H 18 19 #include <cstdint> 20 21 #include <base/containers/array_view.h> 22 #include <base/containers/string.h> 23 #include <base/containers/unique_ptr.h> 24 #include <base/containers/unordered_map.h> 25 #include <base/containers/vector.h> 26 #include <core/engine_info.h> 27 #include <core/intf_engine.h> 28 #include <core/io/intf_file_manager.h> 29 #include <core/namespace.h> 30 #include <core/plugin/intf_plugin.h> 31 #include <core/plugin/intf_plugin_register.h> 32 33 #include "os/intf_library.h" 34 #include "os/platform.h" 35 36 CORE_BEGIN_NAMESPACE() 37 class IEcs; 38 39 class Engine final : public IEngine, virtual public IClassRegister, IPluginRegister::ITypeInfoListener { 40 public: 41 explicit Engine(EngineCreateInfo const& createInfo); 42 ~Engine() override; 43 44 void Init() override; 45 bool TickFrame() override; 46 bool TickFrame(const BASE_NS::array_view<IEcs*>& ecsInputs) override; 47 IFileManager& GetFileManager() override; 48 49 IImageLoaderManager& GetImageLoaderManager() override; 50 51 const IPlatform& GetPlatform() const override; 52 53 EngineTime GetEngineTime() const override; 54 55 BASE_NS::string_view GetRootPath() override; 56 57 IEcs::Ptr CreateEcs() override; 58 IEcs::Ptr CreateEcs(IThreadPool& threadPool) override; 59 60 BASE_NS::string_view GetVersion() override; 61 bool IsDebugBuild() override; 62 63 // IInterface 64 const IInterface* GetInterface(const BASE_NS::Uid& uid) const override; 65 IInterface* GetInterface(const BASE_NS::Uid& uid) override; 66 void Ref() override; 67 void Unref() override; 68 69 // IClassFactory 70 IInterface::Ptr CreateInstance(const BASE_NS::Uid& uid) override; 71 72 // IClassRegister 73 void RegisterInterfaceType(const InterfaceTypeInfo& interfaceInfo) override; 74 void UnregisterInterfaceType(const InterfaceTypeInfo& interfaceInfo) override; 75 BASE_NS::array_view<const InterfaceTypeInfo* const> GetInterfaceMetadata() const override; 76 const InterfaceTypeInfo& GetInterfaceMetadata(const BASE_NS::Uid& uid) const override; 77 IInterface* GetInstance(const BASE_NS::Uid& uid) const override; 78 79 // IPluginRegister::ITypeInfoListener 80 void OnTypeInfoEvent(EventType type, BASE_NS::array_view<const ITypeInfo* const> typeInfos) override; 81 82 private: 83 void RegisterDefaultPaths(); 84 void LoadPlugins(); 85 void UnloadPlugins(); 86 bool TickFrame(IEcs& ecs, uint64_t totalTime, uint64_t deltaTime); 87 88 uint64_t firstTime_ { ~0u }; 89 uint64_t previousFrameTime_ { ~0u }; 90 uint64_t deltaTime_ { 1 }; 91 92 BASE_NS::unique_ptr<IPlatform> platform_; 93 BASE_NS::string rooturi_; 94 ContextInfo applicationContext_; 95 96 IFileManager::Ptr fileManager_; 97 98 BASE_NS::unique_ptr<class FileMonitor> fileMonitor_; 99 100 BASE_NS::unique_ptr<class ImageLoaderManager> imageManager_; 101 uint32_t refCount_ { 0 }; 102 103 BASE_NS::vector<BASE_NS::pair<PluginToken, const IEnginePlugin*>> plugins_; 104 BASE_NS::vector<const InterfaceTypeInfo*> interfaceTypeInfos_; 105 }; 106 CORE_END_NAMESPACE() 107 108 #endif // CORE_ENGINE_H 109