1 /* 2 * Copyright (C) 2006-2019 Christopho, Solarus - http://www.solarus-games.org 3 * 4 * Solarus is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation, either version 3 of the License, or 7 * (at your option) any later version. 8 * 9 * Solarus is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License along 15 * with this program. If not, see <http://www.gnu.org/licenses/>. 16 */ 17 #ifndef SOLARUS_RESOURCE_PROVIDER_H 18 #define SOLARUS_RESOURCE_PROVIDER_H 19 20 #include "solarus/core/Common.h" 21 #include "solarus/core/ResourceType.h" 22 #include "solarus/entities/Tileset.h" 23 #include "solarus/entities/TilePattern.h" 24 #include <map> 25 #include <memory> 26 #include <thread> 27 #include <string> 28 29 namespace Solarus { 30 31 /** 32 * \brief Provides fast access to quest resources. 33 * 34 * Maintains a cache of already loaded quest resources 35 * so that next accesses are faster. 36 */ 37 class SOLARUS_API ResourceProvider { 38 39 public: 40 41 ResourceProvider(); 42 void clear(); 43 44 Tileset& get_tileset(const std::string& tileset_id); 45 const std::map<std::string, std::shared_ptr<Tileset>>& get_loaded_tilesets(); 46 47 // TODO other types of resources 48 // TODO clear/update when the resource list changes dynamically 49 50 void invalidate_resource_element(ResourceType resource_type, const std::string& element_id); 51 52 void start_preloading_resources(); 53 54 private: 55 56 std::thread preloader_thread; /**< Thread that loads resources in background. */ 57 std::map<std::string, std::shared_ptr<Tileset>> 58 tileset_cache; /**< Cache of loaded tilesets. */ 59 }; 60 61 } 62 63 #endif 64 65