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 GameScreen PopScreen()
{
//remove gs from relevant data structures
GameScreen gs = screens.Pop();
theGame.Components.Remove(gs);
OnScreenChange -= gs.ScreenChange;
//ScreenManager fires the event
ScreenEventArgs e = new ScreenEventArgs(screens.Peek());
if (OnScreenChange != null) //the list is not empty
OnScreenChange(this, e); //fire event
return gs;
}
internal void ScreenChange(object sender, ScreenEventArgs e)
{
if (e.GS == this)
ShowMe();
else
HideMe();
}