Пример #1
0
int main(int argc, char *argv[])
{
	/*
		Initialization
	*/

	log_add_output_maxlev(&main_stderr_log_out, LMT_ACTION);
	log_add_output_all_levs(&main_dstream_no_stderr_log_out);

	log_register_thread("main");

	// Set locale. This is for forcing '.' as the decimal point.
	std::locale::global(std::locale("C"));
	// This enables printing all characters in bitmap font
	setlocale(LC_CTYPE, "en_US");

	/*
		Parse command line
	*/
	
	// List all allowed options
	core::map<std::string, ValueSpec> allowed_options;
	allowed_options.insert("help", ValueSpec(VALUETYPE_FLAG));
	allowed_options.insert("server", ValueSpec(VALUETYPE_FLAG,
			"Run server directly"));
	allowed_options.insert("config", ValueSpec(VALUETYPE_STRING,
			"Load configuration from specified file"));
	allowed_options.insert("port", ValueSpec(VALUETYPE_STRING));
	allowed_options.insert("address", ValueSpec(VALUETYPE_STRING));
	allowed_options.insert("random-input", ValueSpec(VALUETYPE_FLAG));
	allowed_options.insert("disable-unittests", ValueSpec(VALUETYPE_FLAG));
	allowed_options.insert("enable-unittests", ValueSpec(VALUETYPE_FLAG));
	allowed_options.insert("map-dir", ValueSpec(VALUETYPE_STRING));
#ifdef _WIN32
	allowed_options.insert("dstream-on-stderr", ValueSpec(VALUETYPE_FLAG));
#endif
	allowed_options.insert("speedtests", ValueSpec(VALUETYPE_FLAG));
	allowed_options.insert("info-on-stderr", ValueSpec(VALUETYPE_FLAG));

	Settings cmd_args;
	
	bool ret = cmd_args.parseCommandLine(argc, argv, allowed_options);

	if(ret == false || cmd_args.getFlag("help"))
	{
		dstream<<"Allowed options:"<<std::endl;
		for(core::map<std::string, ValueSpec>::Iterator
				i = allowed_options.getIterator();
				i.atEnd() == false; i++)
		{
			dstream<<"  --"<<i.getNode()->getKey();
			if(i.getNode()->getValue().type == VALUETYPE_FLAG)
			{
			}
			else
			{
				dstream<<" <value>";
			}
			dstream<<std::endl;

			if(i.getNode()->getValue().help != NULL)
			{
				dstream<<"      "<<i.getNode()->getValue().help
						<<std::endl;
			}
		}

		return cmd_args.getFlag("help") ? 0 : 1;
	}
	
	/*
		Low-level initialization
	*/

	bool disable_stderr = false;
#ifdef _WIN32
	if(cmd_args.getFlag("dstream-on-stderr") == false)
		disable_stderr = true;
#endif
	
	if(cmd_args.getFlag("info-on-stderr"))
		log_add_output(&main_stderr_log_out, LMT_INFO);

	porting::signal_handler_init();
	bool &kill = *porting::signal_handler_killstatus();
	
	// Initialize porting::path_data and porting::path_userdata
	porting::initializePaths();

	// Create user data directory
	fs::CreateDir(porting::path_userdata);

	init_gettext((porting::path_data+DIR_DELIM+".."+DIR_DELIM+"locale").c_str());
	
	// Initialize debug streams
#ifdef RUN_IN_PLACE
	std::string debugfile = DEBUGFILE;
#else
	std::string debugfile = porting::path_userdata+DIR_DELIM+DEBUGFILE;
#endif
	debugstreams_init(disable_stderr, debugfile.c_str());
	// Initialize debug stacks
	debug_stacks_init();

	DSTACK(__FUNCTION_NAME);

	// Init material properties table
	//initializeMaterialProperties();

	// Debug handler
	BEGIN_DEBUG_EXCEPTION_HANDLER

	// Print startup message
	actionstream<<PROJECT_NAME<<
			" with SER_FMT_VER_HIGHEST="<<(int)SER_FMT_VER_HIGHEST
			<<", "<<BUILD_INFO
			<<std::endl;
	
	/*
		Basic initialization
	*/

	// Initialize default settings
	set_default_settings(g_settings);
	
	// Initialize sockets
	sockets_init();
	atexit(sockets_cleanup);
	
	/*
		Read config file
	*/
	
	// Path of configuration file in use
	std::string configpath = "";
	
	if(cmd_args.exists("config"))
	{
		bool r = g_settings->readConfigFile(cmd_args.get("config").c_str());
		if(r == false)
		{
			errorstream<<"Could not read configuration from \""
					<<cmd_args.get("config")<<"\""<<std::endl;
			return 1;
		}
		configpath = cmd_args.get("config");
	}
	else
	{
		core::array<std::string> filenames;
		filenames.push_back(porting::path_userdata +
				DIR_DELIM + "minetest.conf");
#ifdef RUN_IN_PLACE
		filenames.push_back(porting::path_userdata +
				DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
#endif

		for(u32 i=0; i<filenames.size(); i++)
		{
			bool r = g_settings->readConfigFile(filenames[i].c_str());
			if(r)
			{
				configpath = filenames[i];
				break;
			}
		}
		
		// If no path found, use the first one (menu creates the file)
		if(configpath == "")
			configpath = filenames[0];
	}

	// Initialize random seed
	srand(time(0));
	mysrand(time(0));

	/*
		Run unit tests
	*/

	if((ENABLE_TESTS && cmd_args.getFlag("disable-unittests") == false)
			|| cmd_args.getFlag("enable-unittests") == true)
	{
		run_tests();
	}
	
	/*for(s16 y=-100; y<100; y++)
	for(s16 x=-100; x<100; x++)
	{
		std::cout<<noise2d_gradient((double)x/10,(double)y/10, 32415)<<std::endl;
	}
	return 0;*/
	
	/*
		Game parameters
	*/

	// Port
	u16 port = 30000;
	if(cmd_args.exists("port"))
		port = cmd_args.getU16("port");
	else if(g_settings->exists("port"))
		port = g_settings->getU16("port");
	if(port == 0)
		port = 30000;
	
	// Map directory
	std::string map_dir = porting::path_userdata+DIR_DELIM+"world";
	if(cmd_args.exists("map-dir"))
		map_dir = cmd_args.get("map-dir");
	else if(g_settings->exists("map-dir"))
		map_dir = g_settings->get("map-dir");
	
	// Run dedicated server if asked to
	if(cmd_args.getFlag("server"))
	{
		DSTACK("Dedicated server branch");

		// Create time getter
		g_timegetter = new SimpleTimeGetter();
		
		// Create server
		Server server(map_dir.c_str(), configpath);
		server.start(port);
		
		// Run server
		dedicated_server_loop(server, kill);

		return 0;
	}


	/*
		More parameters
	*/
	
	// Address to connect to
	std::string address = "";
	
	if(cmd_args.exists("address"))
	{
		address = cmd_args.get("address");
	}
	else
	{
		address = g_settings->get("address");
	}
	
	std::string playername = g_settings->get("name");

	/*
		Device initialization
	*/

	// Resolution selection
	
	bool fullscreen = false;
	u16 screenW = g_settings->getU16("screenW");
	u16 screenH = g_settings->getU16("screenH");

	// Determine driver

	video::E_DRIVER_TYPE driverType;
	
	std::string driverstring = g_settings->get("video_driver");

	if(driverstring == "null")
		driverType = video::EDT_NULL;
	else if(driverstring == "software")
		driverType = video::EDT_SOFTWARE;
	else if(driverstring == "burningsvideo")
		driverType = video::EDT_BURNINGSVIDEO;
	else if(driverstring == "direct3d8")
		driverType = video::EDT_DIRECT3D8;
	else if(driverstring == "direct3d9")
		driverType = video::EDT_DIRECT3D9;
	else if(driverstring == "opengl")
		driverType = video::EDT_OPENGL;
	else
	{
		errorstream<<"WARNING: Invalid video_driver specified; defaulting "
				"to opengl"<<std::endl;
		driverType = video::EDT_OPENGL;
	}

	/*
		Create device and exit if creation failed
	*/

	MyEventReceiver receiver;

	IrrlichtDevice *device;
	device = createDevice(driverType,
			core::dimension2d<u32>(screenW, screenH),
			16, fullscreen, false, false, &receiver);

	if (device == 0)
		return 1; // could not create selected driver.
	
	/*
		Continue initialization
	*/

	video::IVideoDriver* driver = device->getVideoDriver();

	// Disable mipmaps (because some of them look ugly)
	driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, false);

	/*
		This changes the minimum allowed number of vertices in a VBO.
		Default is 500.
	*/
	//driver->setMinHardwareBufferVertexCount(50);

	// Set the window caption
	device->setWindowCaption(L"Minetest [Main Menu]");
	
	// Create time getter
	g_timegetter = new IrrlichtTimeGetter(device);
	
	// Create game callback for menus
	g_gamecallback = new MainGameCallback(device);
	
	/*
		Speed tests (done after irrlicht is loaded to get timer)
	*/
	if(cmd_args.getFlag("speedtests"))
	{
		dstream<<"Running speed tests"<<std::endl;
		SpeedTests();
		return 0;
	}
	
	device->setResizable(true);

	bool random_input = g_settings->getBool("random_input")
			|| cmd_args.getFlag("random-input");
	InputHandler *input = NULL;
	if(random_input)
		input = new RandomInputHandler();
	else
		input = new RealInputHandler(device, &receiver);
	
	scene::ISceneManager* smgr = device->getSceneManager();

	guienv = device->getGUIEnvironment();
	gui::IGUISkin* skin = guienv->getSkin();
	gui::IGUIFont* font = guienv->getFont(getTexturePath("fontlucida.png").c_str());
	if(font)
		skin->setFont(font);
	else
		errorstream<<"WARNING: Font file was not found."
				" Using default font."<<std::endl;
	// If font was not found, this will get us one
	font = skin->getFont();
	assert(font);
	
	u32 text_height = font->getDimension(L"Hello, world!").Height;
	infostream<<"text_height="<<text_height<<std::endl;

	//skin->setColor(gui::EGDC_BUTTON_TEXT, video::SColor(255,0,0,0));
	skin->setColor(gui::EGDC_BUTTON_TEXT, video::SColor(255,255,255,255));
	//skin->setColor(gui::EGDC_3D_HIGH_LIGHT, video::SColor(0,0,0,0));
	//skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(0,0,0,0));
	skin->setColor(gui::EGDC_3D_HIGH_LIGHT, video::SColor(255,0,0,0));
	skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(255,0,0,0));
	
	/*
		GUI stuff
	*/

	/*
		If an error occurs, this is set to something and the
		menu-game loop is restarted. It is then displayed before
		the menu.
	*/
	std::wstring error_message = L"";

	// The password entered during the menu screen,
	std::string password;

	/*
		Menu-game loop
	*/
	while(device->run() && kill == false)
	{

		// This is used for catching disconnects
		try
		{

			/*
				Clear everything from the GUIEnvironment
			*/
			guienv->clear();
			
			/*
				We need some kind of a root node to be able to add
				custom gui elements directly on the screen.
				Otherwise they won't be automatically drawn.
			*/
			guiroot = guienv->addStaticText(L"",
					core::rect<s32>(0, 0, 10000, 10000));
			
			/*
				Out-of-game menu loop.

				Loop quits when menu returns proper parameters.
			*/
			while(kill == false)
			{
				// Cursor can be non-visible when coming from the game
				device->getCursorControl()->setVisible(true);
				// Some stuff are left to scene manager when coming from the game
				// (map at least?)
				smgr->clear();
				// Reset or hide the debug gui texts
				/*guitext->setText(L"Minetest-c55");
				guitext2->setVisible(false);
				guitext_info->setVisible(false);
				guitext_chat->setVisible(false);*/
				
				// Initialize menu data
				MainMenuData menudata;
				menudata.address = narrow_to_wide(address);
				menudata.name = narrow_to_wide(playername);
				menudata.port = narrow_to_wide(itos(port));
				menudata.fancy_trees = g_settings->getBool("new_style_leaves");
				menudata.smooth_lighting = g_settings->getBool("smooth_lighting");
				menudata.clouds_3d = g_settings->getBool("enable_3d_clouds");
				menudata.opaque_water = g_settings->getBool("opaque_water");
				menudata.creative_mode = g_settings->getBool("creative_mode");
				menudata.enable_damage = g_settings->getBool("enable_damage");

				GUIMainMenu *menu =
						new GUIMainMenu(guienv, guiroot, -1, 
							&g_menumgr, &menudata, g_gamecallback);
				menu->allowFocusRemoval(true);

				if(error_message != L"")
				{
					errorstream<<"error_message = "
							<<wide_to_narrow(error_message)<<std::endl;

					GUIMessageMenu *menu2 =
							new GUIMessageMenu(guienv, guiroot, -1, 
								&g_menumgr, error_message.c_str());
					menu2->drop();
					error_message = L"";
				}

				video::IVideoDriver* driver = device->getVideoDriver();
				
				infostream<<"Created main menu"<<std::endl;

				while(device->run() && kill == false)
				{
					if(menu->getStatus() == true)
						break;

					//driver->beginScene(true, true, video::SColor(255,0,0,0));
					driver->beginScene(true, true, video::SColor(255,128,128,128));

					drawMenuBackground(driver);

					guienv->drawAll();
					
					driver->endScene();
					
					// On some computers framerate doesn't seem to be
					// automatically limited
					sleep_ms(25);
				}
				
				// Break out of menu-game loop to shut down cleanly
				if(device->run() == false || kill == true)
					break;
				
				infostream<<"Dropping main menu"<<std::endl;

				menu->drop();
				
				// Delete map if requested
				if(menudata.delete_map)
				{
					bool r = fs::RecursiveDeleteContent(map_dir);
					if(r == false)
						error_message = L"Delete failed";
					continue;
				}

				playername = wide_to_narrow(menudata.name);

				password = translatePassword(playername, menudata.password);

				//infostream<<"Main: password hash: '"<<password<<"'"<<std::endl;

				address = wide_to_narrow(menudata.address);
				int newport = stoi(wide_to_narrow(menudata.port));
				if(newport != 0)
					port = newport;
				g_settings->set("new_style_leaves", itos(menudata.fancy_trees));
				g_settings->set("smooth_lighting", itos(menudata.smooth_lighting));
				g_settings->set("enable_3d_clouds", itos(menudata.clouds_3d));
				g_settings->set("opaque_water", itos(menudata.opaque_water));
				g_settings->set("creative_mode", itos(menudata.creative_mode));
				g_settings->set("enable_damage", itos(menudata.enable_damage));
				
				// NOTE: These are now checked server side; no need to do it
				//       here, so let's not do it here.
				/*// Check for valid parameters, restart menu if invalid.
				if(playername == "")
				{
					error_message = L"Name required.";
					continue;
				}
				// Check that name has only valid chars
				if(string_allowed(playername, PLAYERNAME_ALLOWED_CHARS)==false)
				{
					error_message = L"Characters allowed: "
							+narrow_to_wide(PLAYERNAME_ALLOWED_CHARS);
					continue;
				}*/

				// Save settings
				g_settings->set("name", playername);
				g_settings->set("address", address);
				g_settings->set("port", itos(port));
				// Update configuration file
				if(configpath != "")
					g_settings->updateConfigFile(configpath.c_str());
			
				// Continue to game
				break;
			}
			
			// Break out of menu-game loop to shut down cleanly
			if(device->run() == false || kill == true)
				break;
			
			/*
				Run game
			*/
			the_game(
				kill,
				random_input,
				input,
				device,
				font,
				map_dir,
				playername,
				password,
				address,
				port,
				error_message,
				configpath
			);

		} //try
		catch(con::PeerNotFoundException &e)
		{
			errorstream<<"Connection error (timed out?)"<<std::endl;
			error_message = L"Connection error (timed out?)";
		}
		catch(SocketException &e)
		{
			errorstream<<"Socket error (port already in use?)"<<std::endl;
			error_message = L"Socket error (port already in use?)";
		}
		catch(ModError &e)
		{
			errorstream<<e.what()<<std::endl;
			error_message = narrow_to_wide(e.what()) + L"\nCheck debug.txt for details.";
		}
#ifdef NDEBUG
		catch(std::exception &e)
		{
			std::string narrow_message = "Some exception, what()=\"";
			narrow_message += e.what();
			narrow_message += "\"";
			errorstream<<narrow_message<<std::endl;
			error_message = narrow_to_wide(narrow_message);
		}
#endif

	} // Menu-game loop
	
	delete input;

	/*
		In the end, delete the Irrlicht device.
	*/
	device->drop();
	
	END_DEBUG_EXCEPTION_HANDLER(errorstream)
	
	debugstreams_deinit();
	
	return 0;
}
Пример #2
0
int main(int argc, char *argv[])
{
	int retval = 0;

	/*
		Initialization
	*/

	log_add_output_maxlev(&main_stderr_log_out, LMT_ACTION);
	log_add_output_all_levs(&main_dstream_no_stderr_log_out);

	log_register_thread("main");

	// Set locale. This is for forcing '.' as the decimal point.
	std::locale::global(std::locale("C"));
	// This enables printing all characters in bitmap font
	setlocale(LC_CTYPE, "en_US");

	/*
		Parse command line
	*/
	
	// List all allowed options
	core::map<std::string, ValueSpec> allowed_options;
	allowed_options.insert("help", ValueSpec(VALUETYPE_FLAG,
			_("Show allowed options")));
	allowed_options.insert("config", ValueSpec(VALUETYPE_STRING,
			_("Load configuration from specified file")));
	allowed_options.insert("port", ValueSpec(VALUETYPE_STRING,
			_("Set network port (UDP)")));
	allowed_options.insert("disable-unittests", ValueSpec(VALUETYPE_FLAG,
			_("Disable unit tests")));
	allowed_options.insert("enable-unittests", ValueSpec(VALUETYPE_FLAG,
			_("Enable unit tests")));
	allowed_options.insert("map-dir", ValueSpec(VALUETYPE_STRING,
			_("Same as --world (deprecated)")));
	allowed_options.insert("world", ValueSpec(VALUETYPE_STRING,
			_("Set world path (implies local game) ('list' lists all)")));
	allowed_options.insert("worldname", ValueSpec(VALUETYPE_STRING,
			_("Set world by name (implies local game)")));
	allowed_options.insert("info", ValueSpec(VALUETYPE_FLAG,
			_("Print more information to console")));
	allowed_options.insert("verbose", ValueSpec(VALUETYPE_FLAG,
			_("Print even more information to console")));
	allowed_options.insert("trace", ValueSpec(VALUETYPE_FLAG,
			_("Print enormous amounts of information to log and console")));
	allowed_options.insert("logfile", ValueSpec(VALUETYPE_STRING,
			_("Set logfile path ('' = no logging)")));
	allowed_options.insert("gameid", ValueSpec(VALUETYPE_STRING,
			_("Set gameid (\"--gameid list\" prints available ones)")));
#ifndef SERVER
	allowed_options.insert("speedtests", ValueSpec(VALUETYPE_FLAG,
			_("Run speed tests")));
	allowed_options.insert("address", ValueSpec(VALUETYPE_STRING,
			_("Address to connect to. ('' = local game)")));
	allowed_options.insert("random-input", ValueSpec(VALUETYPE_FLAG,
			_("Enable random user input, for testing")));
	allowed_options.insert("server", ValueSpec(VALUETYPE_FLAG,
			_("Run dedicated server")));
	allowed_options.insert("name", ValueSpec(VALUETYPE_STRING,
			_("Set player name")));
	allowed_options.insert("password", ValueSpec(VALUETYPE_STRING,
			_("Set password")));
	allowed_options.insert("go", ValueSpec(VALUETYPE_FLAG,
			_("Disable main menu")));
#endif

	Settings cmd_args;
	
	bool ret = cmd_args.parseCommandLine(argc, argv, allowed_options);

	if(ret == false || cmd_args.getFlag("help") || cmd_args.exists("nonopt1"))
	{
		dstream<<_("Allowed options:")<<std::endl;
		for(core::map<std::string, ValueSpec>::Iterator
				i = allowed_options.getIterator();
				i.atEnd() == false; i++)
		{
			std::ostringstream os1(std::ios::binary);
			os1<<"  --"<<i.getNode()->getKey();
			if(i.getNode()->getValue().type == VALUETYPE_FLAG)
				{}
			else
				os1<<_(" <value>");
			dstream<<padStringRight(os1.str(), 24);

			if(i.getNode()->getValue().help != NULL)
				dstream<<i.getNode()->getValue().help;
			dstream<<std::endl;
		}

		return cmd_args.getFlag("help") ? 0 : 1;
	}
	
	/*
		Low-level initialization
	*/
	
	// If trace is enabled, enable logging of certain things
	if(cmd_args.getFlag("trace")){
		dstream<<_("Enabling trace level debug output")<<std::endl;
		log_trace_level_enabled = true;
		dout_con_ptr = &verbosestream; // this is somewhat old crap
		socket_enable_debug_output = true; // socket doesn't use log.h
	}
	// In certain cases, output info level on stderr
	if(cmd_args.getFlag("info") || cmd_args.getFlag("verbose") ||
			cmd_args.getFlag("trace") || cmd_args.getFlag("speedtests"))
		log_add_output(&main_stderr_log_out, LMT_INFO);
	// In certain cases, output verbose level on stderr
	if(cmd_args.getFlag("verbose") || cmd_args.getFlag("trace"))
		log_add_output(&main_stderr_log_out, LMT_VERBOSE);

	porting::signal_handler_init();
	bool &kill = *porting::signal_handler_killstatus();
	
	porting::initializePaths();

	// Create user data directory
	fs::CreateDir(porting::path_user);

	init_gettext((porting::path_share+DIR_DELIM+".."+DIR_DELIM+"locale").c_str());
	
	// Initialize debug streams
#define DEBUGFILE "debug.txt"
#if RUN_IN_PLACE
	std::string logfile = DEBUGFILE;
#else
	std::string logfile = porting::path_user+DIR_DELIM+DEBUGFILE;
#endif
	if(cmd_args.exists("logfile"))
		logfile = cmd_args.get("logfile");
	if(logfile != "")
		debugstreams_init(false, logfile.c_str());
	else
		debugstreams_init(false, NULL);

	infostream<<"logfile    = "<<logfile<<std::endl;
	infostream<<"path_share = "<<porting::path_share<<std::endl;
	infostream<<"path_user  = "******"gameid") && cmd_args.get("gameid") == "list")
	{
		std::set<std::string> gameids = getAvailableGameIds();
		for(std::set<std::string>::const_iterator i = gameids.begin();
				i != gameids.end(); i++)
			dstream<<(*i)<<std::endl;
		return 0;
	}
	
	// List worlds if requested
	if(cmd_args.exists("world") && cmd_args.get("world") == "list"){
		dstream<<_("Available worlds:")<<std::endl;
		std::vector<WorldSpec> worldspecs = getAvailableWorlds();
		print_worldspecs(worldspecs, dstream);
		return 0;
	}
	
	// Print startup message
	infostream<<PROJECT_NAME<<
			" "<<_("with")<<" SER_FMT_VER_HIGHEST="<<(int)SER_FMT_VER_HIGHEST
			<<", "<<BUILD_INFO
			<<std::endl;
	
	/*
		Basic initialization
	*/

	// Initialize default settings
	set_default_settings(g_settings);
	
	// Initialize sockets
	sockets_init();
	atexit(sockets_cleanup);
	
	/*
		Read config file
	*/
	
	// Path of configuration file in use
	std::string configpath = "";
	
	if(cmd_args.exists("config"))
	{
		bool r = g_settings->readConfigFile(cmd_args.get("config").c_str());
		if(r == false)
		{
			errorstream<<"Could not read configuration from \""
					<<cmd_args.get("config")<<"\""<<std::endl;
			return 1;
		}
		configpath = cmd_args.get("config");
	}
	else
	{
		core::array<std::string> filenames;
		filenames.push_back(porting::path_user +
				DIR_DELIM + "minetest.conf");
		// Legacy configuration file location
		filenames.push_back(porting::path_user +
				DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
#if RUN_IN_PLACE
		// Try also from a lower level (to aid having the same configuration
		// for many RUN_IN_PLACE installs)
		filenames.push_back(porting::path_user +
				DIR_DELIM + ".." + DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
#endif

		for(u32 i=0; i<filenames.size(); i++)
		{
			bool r = g_settings->readConfigFile(filenames[i].c_str());
			if(r)
			{
				configpath = filenames[i];
				break;
			}
		}
		
		// If no path found, use the first one (menu creates the file)
		if(configpath == "")
			configpath = filenames[0];
	}

	// Initialize random seed
	srand(time(0));
	mysrand(time(0));

	/*
		Run unit tests
	*/

	if((ENABLE_TESTS && cmd_args.getFlag("disable-unittests") == false)
			|| cmd_args.getFlag("enable-unittests") == true)
	{
		run_tests();
	}
	
	/*
		Game parameters
	*/

	// Port
	u16 port = 30000;
	if(cmd_args.exists("port"))
		port = cmd_args.getU16("port");
	else if(g_settings->exists("port"))
		port = g_settings->getU16("port");
	if(port == 0)
		port = 30000;
	
	// World directory
	std::string commanded_world = "";
	if(cmd_args.exists("world"))
		commanded_world = cmd_args.get("world");
	else if(cmd_args.exists("map-dir"))
		commanded_world = cmd_args.get("map-dir");
	else if(cmd_args.exists("nonopt0")) // First nameless argument
		commanded_world = cmd_args.get("nonopt0");
	else if(g_settings->exists("map-dir"))
		commanded_world = g_settings->get("map-dir");
	
	// World name
	std::string commanded_worldname = "";
	if(cmd_args.exists("worldname"))
		commanded_worldname = cmd_args.get("worldname");
	
	// Strip world.mt from commanded_world
	{
		std::string worldmt = "world.mt";
		if(commanded_world.size() > worldmt.size() &&
				commanded_world.substr(commanded_world.size()-worldmt.size())
				== worldmt){
			dstream<<_("Supplied world.mt file - stripping it off.")<<std::endl;
			commanded_world = commanded_world.substr(
					0, commanded_world.size()-worldmt.size());
		}
	}
	
	// If a world name was specified, convert it to a path
	if(commanded_worldname != ""){
		// Get information about available worlds
		std::vector<WorldSpec> worldspecs = getAvailableWorlds();
		bool found = false;
		for(u32 i=0; i<worldspecs.size(); i++){
			std::string name = worldspecs[i].name;
			if(name == commanded_worldname){
				if(commanded_world != ""){
					dstream<<_("--worldname takes precedence over previously "
							"selected world.")<<std::endl;
				}
				commanded_world = worldspecs[i].path;
				found = true;
				break;
			}
		}
		if(!found){
			dstream<<_("World")<<" '"<<commanded_worldname<<_("' not "
					"available. Available worlds:")<<std::endl;
			print_worldspecs(worldspecs, dstream);
			return 1;
		}
	}

	// Gamespec
	SubgameSpec commanded_gamespec;
	if(cmd_args.exists("gameid")){
		std::string gameid = cmd_args.get("gameid");
		commanded_gamespec = findSubgame(gameid);
		if(!commanded_gamespec.isValid()){
			errorstream<<"Game \""<<gameid<<"\" not found"<<std::endl;
			return 1;
		}
	}

	/*
		Run dedicated server if asked to or no other option
	*/
#ifdef SERVER
	bool run_dedicated_server = true;
#else
	bool run_dedicated_server = cmd_args.getFlag("server");
#endif
	if(run_dedicated_server)
	{
		DSTACK("Dedicated server branch");
		// Create time getter if built with Irrlicht
#ifndef SERVER
		g_timegetter = new SimpleTimeGetter();
#endif

		// World directory
		std::string world_path;
		verbosestream<<_("Determining world path")<<std::endl;
		bool is_legacy_world = false;
		// If a world was commanded, use it
		if(commanded_world != ""){
			world_path = commanded_world;
			infostream<<"Using commanded world path ["<<world_path<<"]"
					<<std::endl;
		}
		// No world was specified; try to select it automatically
		else
		{
			// Get information about available worlds
			std::vector<WorldSpec> worldspecs = getAvailableWorlds();
			// If a world name was specified, select it
			if(commanded_worldname != ""){
				world_path = "";
				for(u32 i=0; i<worldspecs.size(); i++){
					std::string name = worldspecs[i].name;
					if(name == commanded_worldname){
						world_path = worldspecs[i].path;
						break;
					}
				}
				if(world_path == ""){
					dstream<<_("World")<<" '"<<commanded_worldname<<"' "<<_("not "
							"available. Available worlds:")<<std::endl;
					print_worldspecs(worldspecs, dstream);
					return 1;
				}
			}
			// If there is only a single world, use it
			if(worldspecs.size() == 1){
				world_path = worldspecs[0].path;
				dstream<<_("Automatically selecting world at")<<" ["
						<<world_path<<"]"<<std::endl;
			// If there are multiple worlds, list them
			} else if(worldspecs.size() > 1){
				dstream<<_("Multiple worlds are available.")<<std::endl;
				dstream<<_("Please select one using --worldname <name>"
						" or --world <path>")<<std::endl;
				print_worldspecs(worldspecs, dstream);
				return 1;
			// If there are no worlds, automatically create a new one
			} else {
				// This is the ultimate default world path
				world_path = porting::path_user + DIR_DELIM + "worlds" +
						DIR_DELIM + "world";
				infostream<<"Creating default world at ["
						<<world_path<<"]"<<std::endl;
			}
		}

		if(world_path == ""){
			errorstream<<"No world path specified or found."<<std::endl;
			return 1;
		}
		verbosestream<<_("Using world path")<<" ["<<world_path<<"]"<<std::endl;

		// We need a gamespec.
		SubgameSpec gamespec;
		verbosestream<<_("Determining gameid/gamespec")<<std::endl;
		// If world doesn't exist
		if(!getWorldExists(world_path))
		{
			// Try to take gamespec from command line
			if(commanded_gamespec.isValid()){
				gamespec = commanded_gamespec;
				infostream<<"Using commanded gameid ["<<gamespec.id<<"]"<<std::endl;
			}
			// Otherwise we will be using "minetest"
			else{
				gamespec = findSubgame(g_settings->get("default_game"));
				infostream<<"Using default gameid ["<<gamespec.id<<"]"<<std::endl;
			}
		}
		// World exists
		else
		{
			std::string world_gameid = getWorldGameId(world_path, is_legacy_world);
			// If commanded to use a gameid, do so
			if(commanded_gamespec.isValid()){
				gamespec = commanded_gamespec;
				if(commanded_gamespec.id != world_gameid){
					errorstream<<"WARNING: Using commanded gameid ["
							<<gamespec.id<<"]"<<" instead of world gameid ["
							<<world_gameid<<"]"<<std::endl;
				}
			} else{
				// If world contains an embedded game, use it;
				// Otherwise find world from local system.
				gamespec = findWorldSubgame(world_path);
				infostream<<"Using world gameid ["<<gamespec.id<<"]"<<std::endl;
			}
		}
		if(!gamespec.isValid()){
			errorstream<<"Subgame ["<<gamespec.id<<"] could not be found."
					<<std::endl;
			return 1;
		}
		verbosestream<<_("Using gameid")<<" ["<<gamespec.id<<"]"<<std::endl;

		// Create server
		Server server(world_path, configpath, gamespec, false);
		server.start(port);
		
		// Run server
		dedicated_server_loop(server, kill);

		return 0;
	}

#ifndef SERVER // Exclude from dedicated server build

	/*
		More parameters
	*/
	
	std::string address = g_settings->get("address");
	if(commanded_world != "")
		address = "";
	else if(cmd_args.exists("address"))
		address = cmd_args.get("address");
	
	std::string playername = g_settings->get("name");
	if(cmd_args.exists("name"))
		playername = cmd_args.get("name");
	
	bool skip_main_menu = cmd_args.getFlag("go");

	/*
		Device initialization
	*/

	// Resolution selection
	
	bool fullscreen = g_settings->getBool("fullscreen");
	u16 screenW = g_settings->getU16("screenW");
	u16 screenH = g_settings->getU16("screenH");

	// bpp, fsaa, vsync

	bool vsync = g_settings->getBool("vsync");
	u16 bits = g_settings->getU16("fullscreen_bpp");
	u16 fsaa = g_settings->getU16("fsaa");

	// Determine driver

	video::E_DRIVER_TYPE driverType;
	
	std::string driverstring = g_settings->get("video_driver");

	if(driverstring == "null")
		driverType = video::EDT_NULL;
	else if(driverstring == "software")
		driverType = video::EDT_SOFTWARE;
	else if(driverstring == "burningsvideo")
		driverType = video::EDT_BURNINGSVIDEO;
	else if(driverstring == "direct3d8")
		driverType = video::EDT_DIRECT3D8;
	else if(driverstring == "direct3d9")
		driverType = video::EDT_DIRECT3D9;
	else if(driverstring == "opengl")
		driverType = video::EDT_OPENGL;
	else
	{
		errorstream<<"WARNING: Invalid video_driver specified; defaulting "
				"to opengl"<<std::endl;
		driverType = video::EDT_OPENGL;
	}

	/*
		Create device and exit if creation failed
	*/

	MyEventReceiver receiver;

	IrrlichtDevice *device;

	SIrrlichtCreationParameters params = SIrrlichtCreationParameters();
	params.DriverType    = driverType;
	params.WindowSize    = core::dimension2d<u32>(screenW, screenH);
	params.Bits          = bits;
	params.AntiAlias     = fsaa;
	params.Fullscreen    = fullscreen;
	params.Stencilbuffer = false;
	params.Vsync         = vsync;
	params.EventReceiver = &receiver;

	device = createDeviceEx(params);

	if (device == 0)
		return 1; // could not create selected driver.
	
	/*
		Continue initialization
	*/

	video::IVideoDriver* driver = device->getVideoDriver();

	/*
		This changes the minimum allowed number of vertices in a VBO.
		Default is 500.
	*/
	//driver->setMinHardwareBufferVertexCount(50);

	// Create time getter
	g_timegetter = new IrrlichtTimeGetter(device);
	
	// Create game callback for menus
	g_gamecallback = new MainGameCallback(device);
	
	/*
		Speed tests (done after irrlicht is loaded to get timer)
	*/
	if(cmd_args.getFlag("speedtests"))
	{
		dstream<<"Running speed tests"<<std::endl;
		SpeedTests();
		return 0;
	}
	
	device->setResizable(true);

	bool random_input = g_settings->getBool("random_input")
			|| cmd_args.getFlag("random-input");
	InputHandler *input = NULL;
	if(random_input)
		input = new RandomInputHandler();
	else
		input = new RealInputHandler(device, &receiver);
	
	scene::ISceneManager* smgr = device->getSceneManager();

	guienv = device->getGUIEnvironment();
	gui::IGUISkin* skin = guienv->getSkin();
	gui::IGUIFont* font = guienv->getFont(getTexturePath("fontlucida.png").c_str());
	if(font)
		skin->setFont(font);
	else
		errorstream<<"WARNING: Font file was not found."
				" Using default font."<<std::endl;
	// If font was not found, this will get us one
	font = skin->getFont();
	assert(font);
	
	u32 text_height = font->getDimension(L"Hello, world!").Height;
	infostream<<"text_height="<<text_height<<std::endl;

	//skin->setColor(gui::EGDC_BUTTON_TEXT, video::SColor(255,0,0,0));
	skin->setColor(gui::EGDC_BUTTON_TEXT, video::SColor(255,255,255,255));
	//skin->setColor(gui::EGDC_3D_HIGH_LIGHT, video::SColor(0,0,0,0));
	//skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(0,0,0,0));
	skin->setColor(gui::EGDC_3D_HIGH_LIGHT, video::SColor(255,0,0,0));
	skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(255,0,0,0));
	skin->setColor(gui::EGDC_HIGH_LIGHT, video::SColor(255,70,100,50));
	skin->setColor(gui::EGDC_HIGH_LIGHT_TEXT, video::SColor(255,255,255,255));

#if (IRRLICHT_VERSION_MAJOR >= 1 && IRRLICHT_VERSION_MINOR >= 8) || IRRLICHT_VERSION_MAJOR >= 2
	// Irrlicht 1.8 input colours
	skin->setColor(gui::EGDC_EDITABLE, video::SColor(255,128,128,128));
	skin->setColor(gui::EGDC_FOCUSED_EDITABLE, video::SColor(255,96,134,49));
#endif

	/*
		GUI stuff
	*/

	ChatBackend chat_backend;

	/*
		If an error occurs, this is set to something and the
		menu-game loop is restarted. It is then displayed before
		the menu.
	*/
	std::wstring error_message = L"";

	// The password entered during the menu screen,
	std::string password;

	bool first_loop = true;

	/*
		Menu-game loop
	*/
	while(device->run() && kill == false)
	{
		// Set the window caption
		device->setWindowCaption((std::wstring(L"Minetest [")+wgettext("Main Menu")+L"]").c_str());

		// This is used for catching disconnects
		try
		{

			/*
				Clear everything from the GUIEnvironment
			*/
			guienv->clear();
			
			/*
				We need some kind of a root node to be able to add
				custom gui elements directly on the screen.
				Otherwise they won't be automatically drawn.
			*/
			guiroot = guienv->addStaticText(L"",
					core::rect<s32>(0, 0, 10000, 10000));
			
			SubgameSpec gamespec;
			WorldSpec worldspec;
			bool simple_singleplayer_mode = false;

			// These are set up based on the menu and other things
			std::string current_playername = "inv£lid";
			std::string current_password = "";
			std::string current_address = "does-not-exist";
			int current_port = 0;

			/*
				Out-of-game menu loop.

				Loop quits when menu returns proper parameters.
			*/
			while(kill == false)
			{
				// If skip_main_menu, only go through here once
				if(skip_main_menu && !first_loop){
					kill = true;
					break;
				}
				first_loop = false;
				
				// Cursor can be non-visible when coming from the game
				device->getCursorControl()->setVisible(true);
				// Some stuff are left to scene manager when coming from the game
				// (map at least?)
				smgr->clear();
				
				// Initialize menu data
				MainMenuData menudata;
				if(g_settings->exists("selected_mainmenu_tab"))
					menudata.selected_tab = g_settings->getS32("selected_mainmenu_tab");
				menudata.address = narrow_to_wide(address);
				menudata.name = narrow_to_wide(playername);
				menudata.port = narrow_to_wide(itos(port));
				if(cmd_args.exists("password"))
					menudata.password = narrow_to_wide(cmd_args.get("password"));
				menudata.fancy_trees = g_settings->getBool("new_style_leaves");
				menudata.smooth_lighting = g_settings->getBool("smooth_lighting");
				menudata.clouds_3d = g_settings->getBool("enable_3d_clouds");
				menudata.opaque_water = g_settings->getBool("opaque_water");
				menudata.mip_map = g_settings->getBool("mip_map");
				menudata.anisotropic_filter = g_settings->getBool("anisotropic_filter");
				menudata.bilinear_filter = g_settings->getBool("bilinear_filter");
				menudata.trilinear_filter = g_settings->getBool("trilinear_filter");
				menudata.enable_shaders = g_settings->getS32("enable_shaders");
				menudata.preload_item_visuals = g_settings->getBool("preload_item_visuals");
				driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, menudata.mip_map);
				menudata.creative_mode = g_settings->getBool("creative_mode");
				menudata.enable_damage = g_settings->getBool("enable_damage");
				// Default to selecting nothing
				menudata.selected_world = -1;
				// Get world listing for the menu
				std::vector<WorldSpec> worldspecs = getAvailableWorlds();
				// If there is only one world, select it
				if(worldspecs.size() == 1){
					menudata.selected_world = 0;
				}
				// Otherwise try to select according to selected_world_path
				else if(g_settings->exists("selected_world_path")){
					std::string trypath = g_settings->get("selected_world_path");
					for(u32 i=0; i<worldspecs.size(); i++){
						if(worldspecs[i].path == trypath){
							menudata.selected_world = i;
							break;
						}
					}
				}
				// If a world was commanded, append and select it
				if(commanded_world != ""){
					std::string gameid = getWorldGameId(commanded_world, true);
					std::string name = _("[--world parameter]");
					if(gameid == ""){
						gameid = g_settings->get("default_game");
						name += " [new]";
					}
					WorldSpec spec(commanded_world, name, gameid);
					worldspecs.push_back(spec);
					menudata.selected_world = worldspecs.size()-1;
				}
				// Copy worldspecs to menu
				menudata.worlds = worldspecs;

				if(skip_main_menu == false)
				{
					video::IVideoDriver* driver = device->getVideoDriver();
					
					infostream<<"Waiting for other menus"<<std::endl;
					while(device->run() && kill == false)
					{
						if(noMenuActive())
							break;
						driver->beginScene(true, true,
								video::SColor(255,128,128,128));
						drawMenuBackground(driver);
						guienv->drawAll();
						driver->endScene();
						// On some computers framerate doesn't seem to be
						// automatically limited
						sleep_ms(25);
					}
					infostream<<"Waited for other menus"<<std::endl;

					GUIMainMenu *menu =
							new GUIMainMenu(guienv, guiroot, -1, 
								&g_menumgr, &menudata, g_gamecallback);
					menu->allowFocusRemoval(true);

					if(error_message != L"")
					{
						verbosestream<<"error_message = "
								<<wide_to_narrow(error_message)<<std::endl;

						GUIMessageMenu *menu2 =
								new GUIMessageMenu(guienv, guiroot, -1, 
									&g_menumgr, error_message.c_str());
						menu2->drop();
						error_message = L"";
					}

					infostream<<"Created main menu"<<std::endl;

					while(device->run() && kill == false)
					{
						if(menu->getStatus() == true)
							break;

						//driver->beginScene(true, true, video::SColor(255,0,0,0));
						driver->beginScene(true, true, video::SColor(255,128,128,128));

						drawMenuBackground(driver);

						guienv->drawAll();
						
						driver->endScene();
						
						// On some computers framerate doesn't seem to be
						// automatically limited
						sleep_ms(25);
					}
					
					infostream<<"Dropping main menu"<<std::endl;

					menu->drop();
				}

				playername = wide_to_narrow(menudata.name);
				password = translatePassword(playername, menudata.password);
				//infostream<<"Main: password hash: '"<<password<<"'"<<std::endl;

				address = wide_to_narrow(menudata.address);
				int newport = stoi(wide_to_narrow(menudata.port));
				if(newport != 0)
					port = newport;
				simple_singleplayer_mode = menudata.simple_singleplayer_mode;
				// Save settings
				g_settings->setS32("selected_mainmenu_tab", menudata.selected_tab);
				g_settings->set("new_style_leaves", itos(menudata.fancy_trees));
				g_settings->set("smooth_lighting", itos(menudata.smooth_lighting));
				g_settings->set("enable_3d_clouds", itos(menudata.clouds_3d));
				g_settings->set("opaque_water", itos(menudata.opaque_water));

				g_settings->set("mip_map", itos(menudata.mip_map));
				g_settings->set("anisotropic_filter", itos(menudata.anisotropic_filter));
				g_settings->set("bilinear_filter", itos(menudata.bilinear_filter));
				g_settings->set("trilinear_filter", itos(menudata.trilinear_filter));

				g_settings->setS32("enable_shaders", menudata.enable_shaders);
				g_settings->set("preload_item_visuals", itos(menudata.preload_item_visuals));

				g_settings->set("creative_mode", itos(menudata.creative_mode));
				g_settings->set("enable_damage", itos(menudata.enable_damage));
				g_settings->set("name", playername);
				g_settings->set("address", address);
				g_settings->set("port", itos(port));
				if(menudata.selected_world != -1)
					g_settings->set("selected_world_path",
							worldspecs[menudata.selected_world].path);
				
				// Break out of menu-game loop to shut down cleanly
				if(device->run() == false || kill == true)
					break;
				
				current_playername = playername;
				current_password = password;
				current_address = address;
				current_port = port;

				// If using simple singleplayer mode, override
				if(simple_singleplayer_mode){
					current_playername = "singleplayer";
					current_password = "";
					current_address = "";
					current_port = 30011;
				}
				
				// Set world path to selected one
				if(menudata.selected_world != -1){
					worldspec = worldspecs[menudata.selected_world];
					infostream<<"Selected world: "<<worldspec.name
							<<" ["<<worldspec.path<<"]"<<std::endl;
				}

				// Only refresh if so requested
				if(menudata.only_refresh){
					infostream<<"Refreshing menu"<<std::endl;
					continue;
				}
				
				// Create new world if requested
				if(menudata.create_world_name != L"")
				{
					std::string path = porting::path_user + DIR_DELIM
							"worlds" + DIR_DELIM
							+ wide_to_narrow(menudata.create_world_name);
					// Create world if it doesn't exist
					if(!initializeWorld(path, menudata.create_world_gameid)){
						error_message = wgettext("Failed to initialize world");
						errorstream<<wide_to_narrow(error_message)<<std::endl;
						continue;
					}
					g_settings->set("selected_world_path", path);
					continue;
				}

				// If local game
				if(current_address == "")
				{
					if(menudata.selected_world == -1){
						error_message = wgettext("No world selected and no address "
								"provided. Nothing to do.");
						errorstream<<wide_to_narrow(error_message)<<std::endl;
						continue;
					}
					// Load gamespec for required game
					gamespec = findWorldSubgame(worldspec.path);
					if(!gamespec.isValid() && !commanded_gamespec.isValid()){
						error_message = wgettext("Could not find or load game \"")
								+ narrow_to_wide(worldspec.gameid) + L"\"";
						errorstream<<wide_to_narrow(error_message)<<std::endl;
						continue;
					}
					if(commanded_gamespec.isValid() &&
							commanded_gamespec.id != worldspec.gameid){
						errorstream<<"WARNING: Overriding gamespec from \""
								<<worldspec.gameid<<"\" to \""
								<<commanded_gamespec.id<<"\""<<std::endl;
						gamespec = commanded_gamespec;
					}

					if(!gamespec.isValid()){
						error_message = wgettext("Invalid gamespec.");
						error_message += L" (world_gameid="
								+narrow_to_wide(worldspec.gameid)+L")";
						errorstream<<wide_to_narrow(error_message)<<std::endl;
						continue;
					}
				}

				// Continue to game
				break;
			}
			
			// Break out of menu-game loop to shut down cleanly
			if(device->run() == false || kill == true)
				break;

			/*
				Run game
			*/
			the_game(
				kill,
				random_input,
				input,
				device,
				font,
				worldspec.path,
				current_playername,
				current_password,
				current_address,
				current_port,
				error_message,
				configpath,
				chat_backend,
				gamespec,
				simple_singleplayer_mode
			);

		} //try
		catch(con::PeerNotFoundException &e)
		{
			error_message = wgettext("Connection error (timed out?)");
			errorstream<<wide_to_narrow(error_message)<<std::endl;
		}
		catch(ServerError &e)
		{
			error_message = narrow_to_wide(e.what());
			errorstream<<wide_to_narrow(error_message)<<std::endl;
		}
		catch(ModError &e)
		{
			errorstream<<e.what()<<std::endl;
			error_message = narrow_to_wide(e.what()) + wgettext("\nCheck debug.txt for details.");
		}
#ifdef NDEBUG
		catch(std::exception &e)
		{
			std::string narrow_message = "Some exception: \"";
			narrow_message += e.what();
			narrow_message += "\"";
			errorstream<<narrow_message<<std::endl;
			error_message = narrow_to_wide(narrow_message);
		}
#endif

		// If no main menu, show error and exit
		if(skip_main_menu)
		{
			if(error_message != L""){
				verbosestream<<"error_message = "
						<<wide_to_narrow(error_message)<<std::endl;
				retval = 1;
			}
			break;
		}
	} // Menu-game loop
	
	delete input;

	/*
		In the end, delete the Irrlicht device.
	*/
	device->drop();

#endif // !SERVER
	
	// Update configuration file
	if(configpath != "")
		g_settings->updateConfigFile(configpath.c_str());
	
	// Print modified quicktune values
	{
		bool header_printed = false;
		std::vector<std::string> names = getQuicktuneNames();
		for(u32 i=0; i<names.size(); i++){
			QuicktuneValue val = getQuicktuneValue(names[i]);
			if(!val.modified)
				continue;
			if(!header_printed){
				dstream<<"Modified quicktune values:"<<std::endl;
				header_printed = true;
			}
			dstream<<names[i]<<" = "<<val.getString()<<std::endl;
		}
	}

	END_DEBUG_EXCEPTION_HANDLER(errorstream)
	
	debugstreams_deinit();
	
	return retval;
}