/** Creates key listeners which issue requests to the simulation. */
public void addListeners(final Display2D display) {
final PacMan pacman = (PacMan) state;
final SimpleController cont = (SimpleController) controller;
// Make us able to take focus -- this is by default true usually anyway
display.setFocusable(true);
// Make us request focus whenever our window comes up
displayFrame.addWindowListener(
new WindowAdapter() {
public void windowActivated(WindowEvent e) {
display.requestFocusInWindow();
}
});
// the display frame has just been set visible so we need to request focus once
display.requestFocusInWindow();
display.addKeyListener(
new KeyAdapter() {
public void keyPressed(KeyEvent e) {
int c = e.getKeyCode();
switch (c) {
case KeyEvent.VK_UP:
pacman.actions[0] = Pac.N;
break;
case KeyEvent.VK_DOWN:
pacman.actions[0] = Pac.S;
break;
case KeyEvent.VK_LEFT:
pacman.actions[0] = Pac.W;
break;
case KeyEvent.VK_RIGHT:
pacman.actions[0] = Pac.E;
break;
case KeyEvent.VK_W:
pacman.actions[1] = Pac.N;
break;
case KeyEvent.VK_S:
pacman.actions[1] = Pac.S;
break;
case KeyEvent.VK_A:
pacman.actions[1] = Pac.W;
break;
case KeyEvent.VK_D:
pacman.actions[1] = Pac.E;
break;
case KeyEvent
.VK_R: // Reset the board. Easiest way: stop and play, which calls start()
cont.pressStop();
cont.pressPlay();
break;
case KeyEvent.VK_P: // Pause or unpause the game
cont.pressPause();
break;
case KeyEvent.VK_M: // Call forth MASON's new simulation window
if (cont.getPlayState() != cont.PS_PAUSED) // pause it!
cont.pressPause();
cont.doNew();
// the MASON window belongs to our frame, so Java stupidly doesn't send
// us a window activated event when the MASON window is closed and our
// frame comes to the fore again. So we have to manually do request
// focus again here.
display.requestFocusInWindow();
break;
default:
// do nothing
break;
}
}
});
}
