/// <summary>
 /// Zeigt einen Interaktionsdialog an.
 /// </summary>
 public void ShowInteractionScreen(Player player, Screen screen)
 {
     if (player == game.Local.Player)
     {
         game.Screen.ShowScreen(screen);
     }
 }
 /// <summary>
 /// Zeigt den übergebenen Screen an.
 /// </summary>
 public void ShowScreen(Screen screen)
 {
     screens.Push(screen);
     screen.OnShow();
 }