X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fsubgame.cpp;h=55bbd395447f198290d2db001d177cf16a148ec1;hb=09f1a0c1ff8b5d73443603d85fccc3eb25cf4650;hp=d7668b0e5ab2d5abbc070c0dbb8f35617d8670bd;hpb=6779036d25e460ca5e8c6d290772e78c3277ccfc;p=dragonfireclient.git

diff --git a/src/subgame.cpp b/src/subgame.cpp
index d7668b0e5..55bbd3954 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.
 */
@@ -22,6 +22,52 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "filesys.h"
 #include "settings.h"
 #include "log.h"
+#include "util/strfnd.h"
+#include "defaultsettings.h"  // for override_default_settings
+#include "mapgen.h"  // for MapgenParams
+#include "util/string.h"
+
+#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;
+	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)
+	{}
+};
+
+std::string getSubgamePathEnv()
+{
+	char *subgame_path = getenv("MINETEST_SUBGAME_PATH");
+	return subgame_path ? std::string(subgame_path) : "";
+}
 
 SubgameSpec findSubgame(const std::string &id)
 {
@@ -29,25 +75,73 @@ SubgameSpec findSubgame(const std::string &id)
 		return SubgameSpec();
 	std::string share = porting::path_share;
 	std::string user = porting::path_user;
+	std::vector<GameFindPath> find_paths;
+
+	Strfnd search_paths(getSubgamePathEnv());
+
+	while (!search_paths.at_end()) {
+		std::string path = search_paths.next(PATH_DELIM);
+		find_paths.push_back(GameFindPath(
+				path + DIR_DELIM + id, false));
+		find_paths.push_back(GameFindPath(
+				path + DIR_DELIM + id + "_game", false));
+	}
+
+	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 = user + DIR_DELIM + "games" + DIR_DELIM + id;
+	std::string game_path;
 	bool user_game = true; // Game is in user's directory
-	if(!fs::PathExists(game_path)){
-		game_path = share + DIR_DELIM + "games" + DIR_DELIM + id;
-		user_game = false;
+	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(!fs::PathExists(game_path))
+	if(game_path == "")
 		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);
-	// TODO: Read proper name from game_path/game.conf
-	std::string game_name = id;
-	return SubgameSpec(id, game_path, mods_paths, game_name);
+		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()
@@ -56,13 +150,29 @@ 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++){
+
+	Strfnd search_paths(getSubgamePathEnv());
+
+	while (!search_paths.at_end())
+		gamespaths.insert(search_paths.next(PATH_DELIM));
+
+	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;
-			gameids.insert(dirlist[j].name);
+			// 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;
@@ -73,7 +183,7 @@ 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++)
+			i != gameids.end(); ++i)
 		specs.push_back(findSubgame(*i));
 	return specs;
 }
@@ -107,15 +217,27 @@ 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;
+	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)
@@ -150,18 +272,54 @@ std::vector<WorldSpec> getAvailableWorlds()
 	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)) {
+		std::ostringstream ss(std::ios_base::binary);
+		ss << "gameid = " << gamespec.id
+			<< "\nbackend = sqlite3"
+			<< "\ncreative_mode = " << g_settings->get("creative_mode")
+			<< "\nenable_damage = " << g_settings->get("enable_damage")
+			<< "\n";
+		if (!fs::safeWriteToFile(worldmt_path, ss.str()))
+			return false;
+
+		infostream << "Wrote world.mt (" << worldmt_path << ")" << std::endl;
+	}
+
+	// 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;
 }
 
-