public static void AddScreen(SystemScreen screen)
{
switch (screen)
{
case SystemScreen.PauseScreen:
ScreenManager.activeScreens.Add(ScreenManager.systemScreens[SystemScreen.PauseScreen]);
ScreenManager.currentScreen = ScreenManager.systemScreens[SystemScreen.PauseScreen];
ScreenManager.popupCount++;
ScreenManager.modalCount++;
break;
}
}
public static void AddScreen(GameScreen screen)
{
if (ScreenManager.IsInitialized && screen != null && !ScreenManager.activeScreens.Contains(screen))
{
screen.Initialize(ScreenManager.GraphicsDevice);
if (screen.LoadContent())
{
if (screen.IsPopup)
{
ScreenManager.popupCount++;
}
if (screen.IsModal)
{
ScreenManager.modalCount++;
}
ScreenManager.activeScreens.Add(screen);
ScreenManager.currentScreen = screen;
}
else
{
System.Console.WriteLine("Error while loading screen {0} of type: {1}", screen.Name, screen.GetType().Name);
}
}
}
public static void PopBackTo(SystemScreen screen)
{
switch (screen)
{
case SystemScreen.MenuScreen:
ScreenManager.UnloadContent();
ScreenManager.CurrentScreen = ScreenManager.systemScreens[SystemScreen.MenuScreen];
break;
}
}
public static void RemoveScreen(string screenName)
{
if (screenName == SystemScreen.MenuScreen.ToString())
{
if (ScreenManager.Quit != null)
{
ScreenManager.Quit(null, null);
}
}
else
{
var screen = ScreenManager.activeScreens.FirstOrDefault(sc => sc.Name == screenName);
if (screen != null)
{
ScreenManager.activeScreens.Remove(screen);
if (screen.IsPopup)
{
ScreenManager.popupCount--;
}
if (screen.IsModal)
{
ScreenManager.modalCount--;
}
}
ScreenManager.CurrentScreen = ScreenManager.activeScreens.Count == 0 ?
ScreenManager.systemScreens[SystemScreen.MenuScreen] :
ScreenManager.activeScreens[ScreenManager.activeScreens.Count - 1];
}
}
public static void Initialize(GraphicsDevice graphicsDev)
{
ScreenManager.GraphicsDevice = graphicsDev;
ScreenManager.IsInitialized = true;
systemScreens.Add(ScreenManager.AddSystemScreen(SystemScreen.MenuScreen));
systemScreens.Add(ScreenManager.AddSystemScreen(SystemScreen.PauseScreen));
ScreenManager.CurrentScreen = ScreenManager.systemScreens[SystemScreen.MenuScreen];
}