package com.vadman.shooter;
import java.awt.Canvas;
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 com.vadman.shooter.graphics.Screen;
public class Display extends Canvas implements Runnable
{
private static final long serialVersionUID = 1L;
public static final int WIDTH = 1280;
public static final int HEIGHT = 720;
public static String VERSION = "Pre-Alpha";
public static String TITLE = "Shooter " + VERSION;
private Thread thread;
private boolean running = false;
private int[] pixels;
private BufferedImage img;
private Screen screen;
private Game game;
public Display()
{
Dimension size = new Dimension(WIDTH, HEIGHT);
setPreferredSize(size);
setMinimumSize(size);
setMaximumSize(size);
game = new Game();
screen = new Screen(WIDTH, HEIGHT);
img = new BufferedImage(WIDTH, HEIGHT, BufferedImage.TYPE_INT_RGB);
pixels = ((DataBufferInt) img.getRaster().getDataBuffer()).getData();
}
private void start()
{
if (running)
{
return;
}
running = true;
thread = new Thread(this);
thread.start();
System.out.println("Started...");
}
private void stop()
{
if (!running)
{
return;
}
running = false;
try
{
thread.join();
} catch (InterruptedException e)
{
e.printStackTrace();
System.exit(0);
}
}
public void run()
{
int frames = 0;
double unprocessedSeconds = 0;
long previousTime = System.nanoTime();
double secondsPerTick = 1 /60.0;
int tickCount = 0;
boolean ticked = false;
while (running) //fps counter
{
long currentTime = System.nanoTime();
long passedTime = currentTime -previousTime;
previousTime = currentTime;
unprocessedSeconds += passedTime / 1000000000.0;
while (unprocessedSeconds > secondsPerTick)
{
tick();
unprocessedSeconds -= secondsPerTick;
ticked = true;
tickCount ++;
if (tickCount % 60 == 0)
{
System.out.println(frames + " fps");
previousTime += 1000;
frames = 0;
}
}
if (ticked)
{
render();
frames++;
}
render();
frames++;
}
}
private void tick()
{
game.tick();
}
private void render()
{
BufferStrategy bs = this.getBufferStrategy();
if (bs == null)
{
createBufferStrategy(3);
return;
}
screen.render(game);
for (int i = 0; i < WIDTH * HEIGHT; i++)
{
pixels[i] = screen.pixels[i];
}
Graphics g = bs.getDrawGraphics();
g.drawImage(img, 0, 0, WIDTH + 10, HEIGHT + 10, null);
g.dispose();
bs.show();
}
public static void main(String[] args)
{
Display game = new Display();
JFrame frame = new JFrame();
frame.add(game);
frame.pack();
frame.setTitle(TITLE);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setLocationRelativeTo(null);
frame.setResizable(false);
frame.setVisible(true);
System.out.println("Running...");
game.start();
}
}