Automa.java

package tk.sketchistgames.Automa;

import java.awt.Canvas;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.image.BufferStrategy;
import java.awt.image.BufferedImage;
import java.awt.image.DataBufferInt;

import javax.swing.JFrame;

import tk.sketchistgames.graphics.Screen;
import tk.sketchistgames.input.Keyboard;
import tk.sketchistgames.level.Level;
import tk.sketchistgames.level.RandomLevel;

public class Automa extends Canvas implements Runnable {

	private static final long serialVersionUID = 2664234447792702880L;
	public static int width = 300;
	public static int height = width / 16 * 9; // 168.5
	public static int scale = 3;

	private Thread GameThread;
	private JFrame frame = new JFrame();
	private Keyboard key;
	private Level level;
	private boolean running = false;

	private Screen screen;

	private BufferedImage image = new BufferedImage(width, height,
			BufferedImage.TYPE_INT_RGB);
	private int[] pixels = ((DataBufferInt)image.getRaster().getDataBuffer()).getData();

	public Automa() {
		Dimension size = new Dimension(width * scale, height * scale);
		setPreferredSize(size);
		screen = new Screen(width, height);
		frame = new JFrame();
		key = new Keyboard();
		level = new RandomLevel(32, 32);
		addKeyListener(key);

	}

	public synchronized void start() {
		running = true;
		GameThread = new Thread(this, "Display");
		GameThread.start();

	}

	public synchronized void stop() {
		running = false;
		try {
			GameThread.join();
		} catch (InterruptedException e) {
			e.printStackTrace();
		}
	}

	public void run() {
		long lastTime = System.nanoTime();
		long timer = System.currentTimeMillis();
		final double ns = 1000000000.0 / 60.0;
		double delta = 0;
		int frames = 0;
		int updates = 0;
		requestFocus();

		while (running) {
			long now = System.nanoTime();
			delta += (now - lastTime) / ns;
			lastTime = now;
			while(delta >= 1){
				update();
				updates++;
				delta--;
			}
			this.render();
			frames++;

			if(System.currentTimeMillis() - timer > 1000){
				timer += 1000;
				frame.setTitle("Automa | " + "Chunk Updates: " + updates + ", " + "FPS: " + frames);
				updates = 0;
				frames = 0;
			}
		}
		stop();
	}
	int x=0,y=0;
	public void update() {
		key.update();
		if(key.up) y++;
		if(key.down) y--;
		if(key.left) x++;
		if(key.right) x--;

	}


	public void render() {
		BufferStrategy bs = getBufferStrategy();
		if (bs == null) {
			createBufferStrategy(3);
			return;
		}
		screen.clear();
		level.render(x, y, screen);

		for(int i = 0; i < pixels.length; i++){
			pixels[i] = screen.pixels[i];

		}

		Graphics g = bs.getDrawGraphics();
		/*
		 * Graphics go here before g.dispose
		 */
		g.setColor(Color.WHITE);
		g.fillRect(0, 0, getWidth(), getHeight());
		g.drawImage(image, 0, 0, getWidth(), getHeight(), null);
		g.dispose();
		bs.show();
	}

	public static void main(String[] args) {
		Automa game = new Automa();
		game.frame.setResizable(false);
		game.frame.setTitle("Automa"); //TODO COME UP WITH BETTER NAME
		game.frame.add(game);
		game.frame.pack();
		game.frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
		game.frame.setLocationRelativeTo(null);
		game.frame.setVisible(true);

		game.start();
	}
}