X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fsubgame.cpp;h=eb2ea01c15b3c8d084ace5a662e9be3f900fa092;hb=1b3e4e173624bb2523d4386aeef6987709d9b022;hp=eafa1ec709c46272606381aab99499262c762725;hpb=42323014eaf359f76b388e75e788486bb0bda280;p=minetest.git

diff --git a/src/subgame.cpp b/src/subgame.cpp
index eafa1ec70..eb2ea01c1 100644
--- a/src/subgame.cpp
+++ b/src/subgame.cpp
@@ -1,18 +1,18 @@
 /*
-Minetest-c55
-Copyright (C) 2012 celeron55, Perttu Ahola <celeron55@gmail.com>
+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 General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+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 General Public License for more details.
+GNU Lesser General Public License for more details.
 
-You should have received a copy of the GNU General Public License along
+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.
 */
@@ -22,14 +22,31 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "filesys.h"
 #include "settings.h"
 #include "log.h"
-#include "utility_string.h"
+#include "util/strfnd.h"
+#include "defaultsettings.h"  // for override_default_settings
+#include "mapgen.h"  // for MapgenParams
+#include "util/string.h"
 
-std::string getGameName(const std::string &game_path)
+#ifndef SERVER
+	#include "client/tile.h" // getImagePath
+#endif
+
+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;
-	bool succeeded = conf.readConfigFile(conf_path.c_str());
-	if(!succeeded)
+	if(!getGameConfig(game_path, conf))
 		return "";
 	if(!conf.exists("name"))
 		return "";
@@ -46,45 +63,62 @@ struct GameFindPath
 	{}
 };
 
+std::string getSubgamePathEnv()
+{
+	char *subgame_path = getenv("MINETEST_SUBGAME_PATH");
+	return subgame_path ? std::string(subgame_path) : "";
+}
+
 SubgameSpec findSubgame(const std::string &id)
 {
-	if(id == "")
+	if (id.empty())
 		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));
+
+	Strfnd search_paths(getSubgamePathEnv());
+
+	while (!search_paths.at_end()) {
+		std::string path = search_paths.next(PATH_DELIM);
+		find_paths.emplace_back(path + DIR_DELIM + id, false);
+		find_paths.emplace_back(path + DIR_DELIM + id + "_game", false);
+	}
+
+	find_paths.emplace_back(user + DIR_DELIM + "games" + DIR_DELIM + id + "_game", true);
+	find_paths.emplace_back(user + DIR_DELIM + "games" + DIR_DELIM + id, true);
+	find_paths.emplace_back(share + DIR_DELIM + "games" + DIR_DELIM + id + "_game",
+		false);
+	find_paths.emplace_back(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)){
+	for (const GameFindPath &find_path : find_paths) {
+		const std::string &try_path = find_path.path;
+		if (fs::PathExists(try_path)) {
 			game_path = try_path;
-			user_game = find_paths[i].user_specific;
+			user_game = find_path.user_specific;
 			break;
 		}
 	}
-	if(game_path == "")
+	if (game_path.empty())
 		return SubgameSpec();
+	std::string gamemod_path = game_path + DIR_DELIM + "mods";
 	// Find mod directories
 	std::set<std::string> mods_paths;
-	mods_paths.insert(game_path + DIR_DELIM + "mods");
 	if(!user_game)
-		mods_paths.insert(share + DIR_DELIM + "mods" + DIR_DELIM + id);
+		mods_paths.insert(share + DIR_DELIM + "mods");
 	if(user != share || user_game)
-		mods_paths.insert(user + DIR_DELIM + "mods" + DIR_DELIM + id);
+		mods_paths.insert(user + DIR_DELIM + "mods");
 	std::string game_name = getGameName(game_path);
-	if(game_name == "")
+	if (game_name.empty())
 		game_name = id;
-	return SubgameSpec(id, game_path, mods_paths, game_name);
+	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)
@@ -96,9 +130,9 @@ SubgameSpec findWorldSubgame(const std::string &world_path)
 		SubgameSpec gamespec;
 		gamespec.id = world_gameid;
 		gamespec.path = world_gamepath;
-		gamespec.mods_paths.insert(world_gamepath + DIR_DELIM + "mods");
+		gamespec.gamemods_path= world_gamepath + DIR_DELIM + "mods";
 		gamespec.name = getGameName(world_gamepath);
-		if(gamespec.name == "")
+		if (gamespec.name.empty())
 			gamespec.name = "unknown";
 		return gamespec;
 	}
@@ -111,18 +145,28 @@ std::set<std::string> getAvailableGameIds()
 	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)
+
+	Strfnd search_paths(getSubgamePathEnv());
+
+	while (!search_paths.at_end())
+		gamespaths.insert(search_paths.next(PATH_DELIM));
+
+	for (const std::string &gamespath : gamespaths) {
+		std::vector<fs::DirListNode> dirlist = fs::GetDirListing(gamespath);
+		for (const fs::DirListNode &dln : dirlist) {
+			if(!dln.dir)
+				continue;
+			// If configuration file is not found or broken, ignore game
+			Settings conf;
+			if(!getGameConfig(gamespath + DIR_DELIM + dln.name, conf))
 				continue;
+			// Add it to result
 			const char *ends[] = {"_game", NULL};
-			std::string shorter = removeStringEnd(dirlist[j].name, ends);
-			if(shorter != "")
+			std::string shorter = removeStringEnd(dln.name, ends);
+			if (!shorter.empty())
 				gameids.insert(shorter);
 			else
-				gameids.insert(dirlist[j].name);
+				gameids.insert(dln.name);
 		}
 	}
 	return gameids;
@@ -132,9 +176,8 @@ 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));
+	for (const auto &gameid : gameids)
+		specs.push_back(findSubgame(gameid));
 	return specs;
 }
 
@@ -167,21 +210,32 @@ std::string getWorldGameId(const std::string &world_path, bool can_be_legacy)
 	return conf.get("gameid");
 }
 
+std::string getWorldPathEnv()
+{
+	char *world_path = getenv("MINETEST_WORLD_PATH");
+	return world_path ? std::string(world_path) : "";
+}
+
 std::vector<WorldSpec> getAvailableWorlds()
 {
 	std::vector<WorldSpec> worlds;
 	std::set<std::string> worldspaths;
+
+	Strfnd search_paths(getWorldPathEnv());
+
+	while (!search_paths.at_end())
+		worldspaths.insert(search_paths.next(PATH_DELIM));
+
 	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)
+	infostream << "Searching worlds..." << std::endl;
+	for (const std::string &worldspath : worldspaths) {
+		infostream << "  In " << worldspath << ": " <<std::endl;
+		std::vector<fs::DirListNode> dirvector = fs::GetDirListing(worldspath);
+		for (const fs::DirListNode &dln : dirvector) {
+			if(!dln.dir)
 				continue;
-			std::string fullpath = *i + DIR_DELIM + dirvector[j].name;
-			std::string name = dirvector[j].name;
+			std::string fullpath = worldspath + DIR_DELIM + dln.name;
+			std::string name = dln.name;
 			// Just allow filling in the gameid always for now
 			bool can_be_legacy = true;
 			std::string gameid = getWorldGameId(fullpath, can_be_legacy);
@@ -205,23 +259,59 @@ std::vector<WorldSpec> getAvailableWorlds()
 		WorldSpec spec(fullpath, name, gameid);
 		infostream<<"Old world found."<<std::endl;
 		worlds.push_back(spec);
-	}while(0);
+	}while(false);
 	infostream<<worlds.size()<<" found."<<std::endl;
 	return worlds;
 }
 
-bool initializeWorld(const std::string &path, const std::string &gameid)
+bool loadGameConfAndInitWorld(const std::string &path, const SubgameSpec &gamespec)
 {
-	infostream<<"Initializing world at "<<path<<std::endl;
+	// Override defaults with those provided by the game.
+	// We clear and reload the defaults because the defaults
+	// might have been overridden by other subgame config
+	// files that were loaded before.
+	g_settings->clearDefaults();
+	set_default_settings(g_settings);
+	Settings game_defaults;
+	getGameMinetestConfig(gamespec.path, game_defaults);
+	override_default_settings(g_settings, &game_defaults);
+
+	infostream << "Initializing world at " << path << std::endl;
+
+	fs::CreateAllDirs(path);
+
 	// 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;
+	std::string worldmt_path = path + DIR_DELIM "world.mt";
+	if (!fs::PathExists(worldmt_path)) {
+		Settings conf;
+
+		conf.set("gameid", gamespec.id);
+		conf.set("backend", "sqlite3");
+		conf.set("player_backend", "sqlite3");
+		conf.setBool("creative_mode", g_settings->getBool("creative_mode"));
+		conf.setBool("enable_damage", g_settings->getBool("enable_damage"));
+
+		if (!conf.updateConfigFile(worldmt_path.c_str()))
+			return false;
+	}
+
+	// Create map_meta.txt if does not already exist
+	std::string map_meta_path = path + DIR_DELIM + "map_meta.txt";
+	if (!fs::PathExists(map_meta_path)){
+		verbosestream << "Creating map_meta.txt (" << map_meta_path << ")" << std::endl;
 		fs::CreateAllDirs(path);
-		std::ofstream of(worldmt_path.c_str(), std::ios::binary);
-		of<<"gameid = "<<gameid<<"\n";
+		std::ostringstream oss(std::ios_base::binary);
+
+		Settings conf;
+		MapgenParams params;
+
+		params.readParams(g_settings);
+		params.writeParams(&conf);
+		conf.writeLines(oss);
+		oss << "[end_of_params]\n";
+
+		fs::safeWriteToFile(map_meta_path, oss.str());
 	}
 	return true;
 }
 
-