/* Minetest Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com> This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "subgame.h" #include "porting.h" #include "filesys.h" #include "settings.h" #include "log.h" #ifndef SERVER #include "tile.h" // getImagePath #endif #include "util/string.h" bool getGameMinetestConfig(const std::string &game_path, Settings &conf) { std::string conf_path = game_path + DIR_DELIM + "minetest.conf"; return conf.readConfigFile(conf_path.c_str()); } bool getGameConfig(const std::string &game_path, Settings &conf) { std::string conf_path = game_path + DIR_DELIM + "game.conf"; return conf.readConfigFile(conf_path.c_str()); } std::string getGameName(const std::string &game_path) { Settings conf; if(!getGameConfig(game_path, conf)) return ""; if(!conf.exists("name")) return ""; return conf.get("name"); } struct GameFindPath { std::string path; bool user_specific; GameFindPath(const std::string &path, bool user_specific): path(path), user_specific(user_specific) {} }; SubgameSpec findSubgame(const std::string &id) { if(id == "") return SubgameSpec(); std::string share = porting::path_share; std::string user = porting::path_user; std::vector<GameFindPath> find_paths; find_paths.push_back(GameFindPath( user + DIR_DELIM + "games" + DIR_DELIM + id + "_game", true)); find_paths.push_back(GameFindPath( user + DIR_DELIM + "games" + DIR_DELIM + id, true)); find_paths.push_back(GameFindPath( share + DIR_DELIM + "games" + DIR_DELIM + id + "_game", false)); find_paths.push_back(GameFindPath( share + DIR_DELIM + "games" + DIR_DELIM + id, false)); // Find game directory std::string game_path; bool user_game = true; // Game is in user's directory for(u32 i=0; i<find_paths.size(); i++){ const std::string &try_path = find_paths[i].path; if(fs::PathExists(try_path)){ game_path = try_path; user_game = find_paths[i].user_specific; break; } } if(game_path == "") return SubgameSpec(); std::string gamemod_path = game_path + DIR_DELIM + "mods"; // Find mod directories std::set<std::string> mods_paths; if(!user_game) mods_paths.insert(share + DIR_DELIM + "mods"); if(user != share || user_game) mods_paths.insert(user + DIR_DELIM + "mods"); std::string game_name = getGameName(game_path); if(game_name == "") game_name = id; std::string menuicon_path; #ifndef SERVER menuicon_path = getImagePath(game_path + DIR_DELIM + "menu" + DIR_DELIM + "icon.png"); #endif return SubgameSpec(id, game_path, gamemod_path, mods_paths, game_name, menuicon_path); } SubgameSpec findWorldSubgame(const std::string &world_path) { std::string world_gameid = getWorldGameId(world_path, true); // See if world contains an embedded game; if so, use it. std::string world_gamepath = world_path + DIR_DELIM + "game"; if(fs::PathExists(world_gamepath)){ SubgameSpec gamespec; gamespec.id = world_gameid; gamespec.path = world_gamepath; gamespec.gamemods_path= world_gamepath + DIR_DELIM + "mods"; gamespec.name = getGameName(world_gamepath); if(gamespec.name == "") gamespec.name = "unknown"; return gamespec; } return findSubgame(world_gameid); } std::set<std::string> getAvailableGameIds() { std::set<std::string> gameids; std::set<std::string> gamespaths; gamespaths.insert(porting::path_share + DIR_DELIM + "games"); gamespaths.insert(porting::path_user + DIR_DELIM + "games"); for(std::set<std::string>::const_iterator i = gamespaths.begin(); i != gamespaths.end(); i++){ std::vector<fs::DirListNode> dirlist = fs::GetDirListing(*i); for(u32 j=0; j<dirlist.size(); j++){ if(!dirlist[j].dir) continue; // If configuration file is not found or broken, ignore game Settings conf; if(!getGameConfig(*i + DIR_DELIM + dirlist[j].name, conf)) continue; // Add it to result const char *ends[] = {"_game", NULL}; std::string shorter = removeStringEnd(dirlist[j].name, ends); if(shorter != "") gameids.insert(shorter); else gameids.insert(dirlist[j].name); } } return gameids; } std::vector<SubgameSpec> getAvailableGames() { std::vector<SubgameSpec> specs; std::set<std::string> gameids = getAvailableGameIds(); for(std::set<std::string>::const_iterator i = gameids.begin(); i != gameids.end(); i++) specs.push_back(findSubgame(*i)); return specs; } #define LEGACY_GAMEID "minetest" bool getWorldExists(const std::string &world_path) { return (fs::PathExists(world_path + DIR_DELIM + "map_meta.txt") || fs::PathExists(world_path + DIR_DELIM + "world.mt")); } std::string getWorldGameId(const std::string &world_path, bool can_be_legacy) { std::string conf_path = world_path + DIR_DELIM + "world.mt"; Settings conf; bool succeeded = conf.readConfigFile(conf_path.c_str()); if(!succeeded){ if(can_be_legacy){ // If map_meta.txt exists, it is probably an old minetest world if(fs::PathExists(world_path + DIR_DELIM + "map_meta.txt")) return LEGACY_GAMEID; } return ""; } if(!conf.exists("gameid")) return ""; // The "mesetint" gameid has been discarded if(conf.get("gameid") == "mesetint") return "minetest"; return conf.get("gameid"); } std::vector<WorldSpec> getAvailableWorlds() { std::vector<WorldSpec> worlds; std::set<std::string> worldspaths; worldspaths.insert(porting::path_user + DIR_DELIM + "worlds"); infostream<<"Searching worlds..."<<std::endl; for(std::set<std::string>::const_iterator i = worldspaths.begin(); i != worldspaths.end(); i++){ infostream<<" In "<<(*i)<<": "<<std::endl; std::vector<fs::DirListNode> dirvector = fs::GetDirListing(*i); for(u32 j=0; j<dirvector.size(); j++){ if(!dirvector[j].dir) continue; std::string fullpath = *i + DIR_DELIM + dirvector[j].name; std::string name = dirvector[j].name; // Just allow filling in the gameid always for now bool can_be_legacy = true; std::string gameid = getWorldGameId(fullpath, can_be_legacy); WorldSpec spec(fullpath, name, gameid); if(!spec.isValid()){ infostream<<"(invalid: "<<name<<") "; } else { infostream<<name<<" "; worlds.push_back(spec); } } infostream<<std::endl; } // Check old world location do{ std::string fullpath = porting::path_user + DIR_DELIM + "world"; if(!fs::PathExists(fullpath)) break; std::string name = "Old World"; std::string gameid = getWorldGameId(fullpath, true); WorldSpec spec(fullpath, name, gameid); infostream<<"Old world found."<<std::endl; worlds.push_back(spec); }while(0); infostream<<worlds.size()<<" found."<<std::endl; return worlds; } bool initializeWorld(const std::string &path, const std::string &gameid) { infostream<<"Initializing world at "<<path<<std::endl; // Create world.mt if does not already exist std::string worldmt_path = path + DIR_DELIM + "world.mt"; if(!fs::PathExists(worldmt_path)){ infostream<<"Creating world.mt ("<<worldmt_path<<")"<<std::endl; fs::CreateAllDirs(path); std::ostringstream ss(std::ios_base::binary); ss<<"gameid = "<<gameid<<"\nbackend = sqlite3\n"; fs::safeWriteToFile(worldmt_path, ss.str()); } return true; }