public void PushScreen(GameScreen gs)
{
//add gs to relevant data structures
theGame.Components.Add(gs);
screens.Push(gs);
OnScreenChange += gs.ScreenChange;
//ScreenManager fires the event
ScreenEventArgs e = new ScreenEventArgs(gs);
if (OnScreenChange != null) //the list is not empty
OnScreenChange(this, e); //fire event
}
public void StartNewScreenSequence(GameScreen gs)
{
//empty the stack
while (screens.Count > 0)
{
GameScreen top = (GameScreen)screens.Peek();
OnScreenChange -= top.ScreenChange;
theGame.Components.Remove(top);
screens.Pop();
}
//procede as with PushScreen
PushScreen(gs);
}
public ScreenEventArgs(GameScreen gameScreen)
{
gs = gameScreen;
}