@Override
    public void init(GLAutoDrawable drawable) {
        GL gl = drawable.getGL();

	JoglInputSystem inputsystem = new JoglInputSystem(GameWindow.getGameWindow().getCanvas());
	GameWindow.getGameWindow().getCanvas().addMouseListener(inputsystem);

	BatchRenderBackend backend = JoglBatchRenderBackendFactory.create();

	RenderDevice renderDevice = new BatchRenderDevice(backend);
	GameWindow.nifty = new Nifty(renderDevice, new NullSoundDevice(), inputsystem, new AccurateTimeProvider());
	Logger.getLogger("de.lessvoid.nifty").setLevel(Level.SEVERE);
	Logger.getLogger("NiftyInputEventHandlingLog").setLevel(Level.SEVERE);
	nifty.loadStyleFile("nifty-default-styles.xml");
	nifty.loadControlFile("nifty-default-controls.xml");

	gl.glDisable(GL.GL_DEPTH_TEST);


	gl.setSwapInterval(0);

	gl.glClearColor(clearColor_r, clearColor_g, clearColor_b, clearColor_a);

	currentGameState = new WorldMapState();
        currentGameState.onInit(gl);

        canvas.addKeyListener(currentGameState.getKeyListener());

        eventManager = EventManager.getEventManager();
        scriptManager.initJythonInterpreter();

    }