/*******************************************************************************/
Game g = null;
GameRunner gr = null;
Input input;

void setup() {
  size(240,240);
  input = new Input();
  g = new Game();
  
  gr = new GameRunner();
}
void calc() {
  input.update();
  g.update();
}
void draw() {
  g.draw();
}

public void dispose() {
  gr.dispose();
}

class GameRunner implements Runnable {

  public static final int FRAME_RATE  = 50; // FPS
  public static final int FRAME_DELAY = 1000 / FRAME_RATE;
  
  Thread runThread = null;
  
  public GameRunner() {
    noLoop();
    runThread = new Thread(this);
    runThread.start();
  }
  
  public void dispose() {
    runThread = null;
  }

  
  
  long lastTime = 0;
  public void run() {
    while (Thread.currentThread() == runThread) {
      long currentTime = System.currentTimeMillis();
      if (lastTime == 0) {
        lastTime = currentTime;
        calc();
        redraw();
      }
      long dt = currentTime - lastTime;
      int maxCalc = FRAME_RATE;
      boolean newFrame = false;
      while (dt>=FRAME_DELAY && maxCalc>0) {
        calc();
        newFrame = true;
        dt -= FRAME_DELAY;
        maxCalc--;
      }
      if (newFrame) {
        redraw();
        lastTime = currentTime;
      } else if (dt<FRAME_DELAY) {
        delay((int)(FRAME_DELAY - dt));
      }
    }
  }
}


void keyPressed() {
  input.key(keyCode,true);
}
void keyReleased() {
  input.key(keyCode,false);
}

Hashtable cachedImages = new Hashtable();

public PImage loadImage(String s) {
  Object o = cachedImages.get(s);
  if (o!=null) return (PImage)o;
  PImage i = super.loadImage(s);
  cachedImages.put(s,i);
  return i;
}