/// <summary>
/// Tells the screen to go away. Unlike ScreenManager.RemoveScreen, which
/// instantly kills the screen, this method respects the transition timings
/// and will give the screen a chance to gradually transition off.
/// </summary>
public void ExitScreen()
{
if (TransitionOffTime == TimeSpan.Zero)
{
// If the screen has a zero transition time, remove it immediately.
ScreenManager.RemoveScreen(this);
}
else
{
// Otherwise flag that it should transition off and then exit.
_isExiting = true;
}
}
/// <summary>
/// Updates the loading screen.
/// </summary>
public override void Update(GameTime gameTime, bool otherScreenHasFocus,
bool coveredByOtherScreen)
{
base.Update(gameTime, otherScreenHasFocus, coveredByOtherScreen);
// If all the previous screens have finished transitioning
// off, it is time to actually perform the load.
if (!_otherScreensAreGone)
{
return;
}
ScreenManager.RemoveScreen(this);
foreach (var screen in _screensToLoad.Where(screen => screen != null))
{
ScreenManager.AddScreen(screen, ControllingPlayer);
}
// Once the load has finished, we use ResetElapsedTime to tell
// the game timing mechanism that we have just finished a very
// long frame, and that it should not try to catch up.
ScreenManager.Game.ResetElapsedTime();
}
