mirror of
https://github.com/OpenSpace/OpenSpace.git
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132 lines
4.8 KiB
C++
132 lines
4.8 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2017 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#ifndef __OPENSPACE_CORE___ASSETLOADER___H__
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#define __OPENSPACE_CORE___ASSETLOADER___H__
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#include <openspace/scene/scenegraphnode.h>
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#include <openspace/scripting/lualibrary.h>
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#include <ghoul/misc/dictionary.h>
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#include <ghoul/lua/luastate.h>
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#include <ghoul/lua/ghoul_lua.h>
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#include <ghoul/filesystem/directory.h>
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#include <memory>
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#include <string>
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namespace openspace {
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namespace assetloader {
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int importAsset(lua_State* state);
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int resolveLocalResource(lua_State* state);
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int resolveSyncedResource(lua_State* state);
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}
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class AssetLoader {
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public:
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class Asset {
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public:
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Asset(AssetLoader* loader, std::string directory);
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Asset(AssetLoader* loader, std::string directory, std::string name);
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std::string id();
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std::string assetFilePath();
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std::string dataFilePath();
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std::string assetDirectory();
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AssetLoader* loader();
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ghoul::Dictionary dataDictionary();
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std::string syncDirectory();
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bool isInitialized();
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bool hasLuaTable();
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void initialize();
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void deinitialize();
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void addDependency(Asset* asset);
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void removeDependency(Asset* asset);
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void removeDependency(const std::string& assetId);
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bool hasInitializedDependants();
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private:
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std::string resolveLocalResource(std::string resourceName);
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std::string resolveSyncedResource(std::string resourceName);
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// lua methods
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friend int assetloader::resolveLocalResource(lua_State* state);
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int resolveLocalResourceLua();
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friend int assetloader::resolveSyncedResource(lua_State* state);
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int resolveSyncedResourceLua();
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bool _hasLuaTable;
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bool _initialized;
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AssetLoader* _loader;
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std::string _assetDirectory;
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std::vector<Asset*> _dependencies;
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std::vector<Asset*> _dependants;
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};
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AssetLoader(ghoul::lua::LuaState* _luaState, std::string assetRoot, std::string syncRoot);
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~AssetLoader() = default;
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void loadAsset(const std::string& identifier);
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void unloadAsset(const std::string& identifier);
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scripting::LuaLibrary luaLibrary();
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ghoul::lua::LuaState* luaState();
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ghoul::filesystem::Directory currentDirectory();
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Asset* rootAsset();
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const std::string& syncRoot();
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private:
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Asset* importAsset(const std::string& identifier);
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void pushAsset(Asset* asset);
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void popAsset();
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void updateLuaGlobals();
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std::unique_ptr<Asset> _rootAsset;
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std::map<std::string, std::unique_ptr<Asset>> _importedAssets;
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std::vector<Asset*> _assetStack;
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std::string _syncRoot;
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friend int assetloader::importAsset(lua_State* state);
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int importAssetLua();
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ghoul::lua::LuaState* _luaState;
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};
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} // namespace openspace
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#endif // __OPENSPACE_CORE___ASSETLOADER___H__
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