* Creates game container, adds all other states, and initializes song data. */ public class Opsu extends StateBasedGame { /** Game states. */ public static final int STATE_SPLASH = 0, STATE_MAINMENU = 1, STATE_BUTTONMENU = 2, STATE_SONGMENU = 3, STATE_GAME = 4, STATE_GAMEPAUSEMENU = 5, STATE_GAMERANKING = 6, STATE_OPTIONSMENU = 7, STATE_DOWNLOADSMENU = 8; /** Server socket for restricting the program to a single instance. */ private static ServerSocket SERVER_SOCKET; /** * Constructor. * @param name the program name */ public Opsu(String name) { super(name); } @Override public void initStatesList(GameContainer container) throws SlickException { addState(new Splash(STATE_SPLASH)); addState(new MainMenu(STATE_MAINMENU)); addState(new ButtonMenu(STATE_BUTTONMENU)); addState(new SongMenu(STATE_SONGMENU)); addState(new Game(STATE_GAME)); addState(new GamePauseMenu(STATE_GAMEPAUSEMENU)); addState(new GameRanking(STATE_GAMERANKING)); addState(new OptionsMenu(STATE_OPTIONSMENU)); addState(new DownloadsMenu(STATE_DOWNLOADSMENU)); } /** * Launches opsu!. */ public static void main(String[] args) { // log all errors to a file Log.setVerbose(false); try { DefaultLogSystem.out = new PrintStream(new FileOutputStream(Options.LOG_FILE, true)); } catch (FileNotFoundException e) { Log.error(e); } // set default exception handler Thread.setDefaultUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() { @Override public void uncaughtException(Thread t, Throwable e) { ErrorHandler.error("** Uncaught Exception! **", e, true); System.exit(1); } }); // parse configuration file Options.parseOptions(); // only allow a single instance try { SERVER_SOCKET = new ServerSocket(Options.getPort(), 1, InetAddress.getLocalHost()); } catch (UnknownHostException e) { // shouldn't happen } catch (IOException e) { errorAndExit( null, String.format( "opsu! could not be launched for one of these reasons:\n" + "- An instance of opsu! is already running.\n" + "- Another program is bound to port %d. " + "You can change the port opsu! uses by editing the \"Port\" field in the configuration file.", Options.getPort() ), false ); } // load natives File nativeDir; if (!Utils.isJarRunning() && ( (nativeDir = new File("./target/natives/")).isDirectory() || (nativeDir = new File("./build/natives/")).isDirectory())) ; else { nativeDir = Options.NATIVE_DIR; try { new NativeLoader(nativeDir).loadNatives(); } catch (IOException e) { Log.error("Error loading natives.", e); } } System.setProperty("org.lwjgl.librarypath", nativeDir.getAbsolutePath()); System.setProperty("java.library.path", nativeDir.getAbsolutePath()); try { // Workaround for "java.library.path" property being read-only. // http://stackoverflow.com/a/24988095 Field fieldSysPath = ClassLoader.class.getDeclaredField("sys_paths"); fieldSysPath.setAccessible(true); fieldSysPath.set(null, null); } catch (NoSuchFieldException | SecurityException | IllegalArgumentException | IllegalAccessException e) { Log.warn("Failed to set 'sys_paths' field.", e); } // set the resource paths ResourceLoader.addResourceLocation(new FileSystemLocation(new File("./res/"))); // initialize databases try { DBController.init(); } catch (UnsatisfiedLinkError e) { errorAndExit(e, "The databases could not be initialized.", true); } // check if just updated if (args.length >= 2) Updater.get().setUpdateInfo(args[0], args[1]); // check for updates if (!Options.isUpdaterDisabled()) { new Thread() { @Override public void run() { try { Updater.get().checkForUpdates(); } catch (IOException e) { Log.warn("Check for updates failed.", e); } } }.start(); } // disable jinput Input.disableControllers(); // start the game try { // loop until force exit while (true) { Opsu opsu = new Opsu("opsu!"); Container app = new Container(opsu); // basic game settings Options.setDisplayMode(app); String[] icons = { "icon16.png", "icon32.png" }; app.setIcons(icons); app.setForceExit(true); app.start(); // run update if available if (Updater.get().getStatus() == Updater.Status.UPDATE_FINAL) { close(); Updater.get().runUpdate(); break; } } } catch (SlickException e) { errorAndExit(e, "An error occurred while creating the game container.", true); } } @Override public boolean closeRequested() { int id = this.getCurrentStateID(); // intercept close requests in game-related states and return to song menu if (id == STATE_GAME || id == STATE_GAMEPAUSEMENU || id == STATE_GAMERANKING) { // start playing track at preview position SongMenu songMenu = (SongMenu) this.getState(Opsu.STATE_SONGMENU); if (id == STATE_GAMERANKING) { GameData data = ((GameRanking) this.getState(Opsu.STATE_GAMERANKING)).getGameData(); if (data != null && data.isGameplay()) songMenu.resetTrackOnLoad(); } else { if (id == STATE_GAME) { MusicController.pause(); MusicController.setPitch(1.0f); MusicController.resume(); } else songMenu.resetTrackOnLoad(); } if (UI.getCursor().isBeatmapSkinned()) UI.getCursor().reset(); songMenu.resetGameDataOnLoad(); this.enterState(Opsu.STATE_SONGMENU, new EasedFadeOutTransition(), new FadeInTransition()); return false; } // show confirmation dialog if any downloads are active if (DownloadList.get().hasActiveDownloads() && UI.showExitConfirmation(DownloadList.EXIT_CONFIRMATION)) return false; if (Updater.get().getStatus() == Updater.Status.UPDATE_DOWNLOADING && UI.showExitConfirmation(Updater.EXIT_CONFIRMATION)) return false; return true; } /** * Closes all resources. */ public static void close() { // close databases DBController.closeConnections(); // cancel all downloads DownloadList.get().cancelAllDownloads(); // close server socket if (SERVER_SOCKET != null) { try { SERVER_SOCKET.close(); } catch (IOException e) { ErrorHandler.error("Failed to close server socket.", e, false); } } } /** * Throws an error and exits the application with the given message. * @param e the exception that caused the crash * @param message the message to display * @param report whether to ask to report the error */ private static void errorAndExit(Throwable e, String message, boolean report) { // JARs will not run properly inside directories containing '!' // http://bugs.java.com/view_bug.do?bug_id=4523159 if (Utils.isJarRunning() && Utils.getRunningDirectory() != null && Utils.getRunningDirectory().getAbsolutePath().indexOf('!') != -1) ErrorHandler.error("JARs cannot be run from some paths containing '!'. Please move or rename the file and try again.", null, false); else ErrorHandler.error(message, e, report); System.exit(1); } }