GamePanel

package com.maineri.mainepix;

import java.awt.*;
import java.awt.image.BufferStrategy;
import java.awt.image.BufferedImage;
import java.awt.event.*;
import java.io.File;

import javax.imageio.ImageIO;
import javax.swing.JLabel;
import javax.swing.JPanel;

public class GamePanel extends Canvas
	implements Runnable, KeyListener{
	private static final long serialVersionUID = -2342164197569319147L;
	// game thread
	private Thread thread;
	private boolean running;
	private int FPS = 60;
	private long targetTime = 1000 / FPS;

	// image
	private BufferedImage image;
	private Graphics2D g;

	// game state manager
	private GameStateManager gsm;

	public GamePanel() {
		super();
		setFocusable(true);
		requestFocus();
	}

	public void addNotify() {
		super.addNotify();
		if(thread == null) {
			thread = new Thread(this, "Display");
			addKeyListener(this);
			thread.start();
		}
	}

	public static class HandlerClass implements MouseListener, MouseMotionListener {

		public void mouseDragged(MouseEvent me) {

		}

		public void mouseMoved(MouseEvent me) {

		}

		public void mouseClicked(MouseEvent me) {
		  System.exit(0);
		}

		public void mouseEntered(MouseEvent me) {

		}

		public void mouseExited(MouseEvent me) {
			 System.exit(0);
		}

		public void mousePressed(MouseEvent me) {
			 System.exit(0);
		}

		public void mouseReleased(MouseEvent me) {
			 System.exit(0);
		}

	}

	static BufferedImage logBox;

	private void init() {

		JPanel jp = new JPanel();
		JLabel jl = new JLabel();
		HandlerClass handler = new HandlerClass();
		jl.addMouseListener(handler);
		jl.addMouseMotionListener(handler);
		jp.addMouseListener(handler);
		jp.addMouseMotionListener(handler);

		Game gam = new Game();
		gam.frame.addMouseListener(handler);
		gam.frame.addMouseMotionListener(handler);

			try {
				logBox = ImageIO.read(new File(getClass().getResource("LogginBox.png").toURI()));
			}catch(Exception E) {
				E.printStackTrace();
			}

		running = true;

		gsm = new GameStateManager();

	}

	public void run() {

		init();

		long start;
		long elapsed;
		long wait;

		// game loop
		while(running) {

			start = System.nanoTime();

			update();
			draw();

			elapsed = System.nanoTime() - start;

			wait = targetTime - elapsed / 1000000;
			if(wait < 0) wait = 5;

			try {
				Thread.sleep(wait);
			}
			catch(Exception e) {
				e.printStackTrace();
			}

			System.out.println(FPS);

		}

	}

	private void update() {
		gsm.update();
	}

	private void draw() {
		BufferStrategy bs = getBufferStrategy();
		if(bs == null) {
			createBufferStrategy(3);
			return;
		}

		Font font1 = new Font("Serif", Font.BOLD, 90);
		Font font2 = new Font("Serif", Font.BOLD, 12);

		Graphics g2 = (Graphics2D) bs.getDrawGraphics();

		if(gsm.currentState == 1) {
			//GAMESTATE
		}
        if(gsm.currentState == 0) {
			//MENUSTATE
        	g2.setColor(Color.green);
        	g2.fillRect(0, 0, 600, 400);
        	g2.setColor(Color.gray);
        	g2.setFont(font2);
        	g2.drawString("Copyright Maineri ©", 2, 10);

		}
      /*if(MenuState == true) {

        }
        if(MenuState == true) {

        }
        if(MenuState == true) {

        }
      */

		g2.dispose();
		bs.show();
	}

	public void keyTyped(KeyEvent key) {}
	public void keyPressed(KeyEvent key) {
		gsm.keyPressed(key.getKeyCode());
	}
	public void keyReleased(KeyEvent key) {
		gsm.keyReleased(key.getKeyCode());
	}

}