/// <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)
{
ScreenManager.Pop(this);
foreach (Screen screen in screensToLoad)
{
if (screen != null)
{
ScreenManager.Push(screen);
}
}
// 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();
}
}
public virtual void ExitScreen()
{
// if screen has zero transition time, remove it
if (TransitionOffTime == TimeSpan.Zero)
{
// If the screen has a zero transition time, remove it immediately.
ScreenManager.Pop(this);
}
else
{
// Otherwise flag that it should transition off and then exit.
isExiting = true;
}
}
public virtual void Update(GameTime gameTime,
bool focus,
bool covered)
{
this.otherScreenHasFocus = focus;
if (isExiting)
{
// If screen is going away, should transition off
state = ScreenState.TransitionOff;
if (!UpdateTransition(gameTime, transitionOffTime, 1))
{
// when transition finishes, remove screen
screenManager.Pop(this);
}
}
else if (covered)
{
// if screen is covered by another, transition off
if (UpdateTransition(gameTime, transitionOffTime, 1))
{
// still transitioning
state = ScreenState.TransitionOff;
}
else
{
// transition finished
state = ScreenState.Hidden;
}
}
else
{
// otherwise screen should transition on and become active
if (UpdateTransition(gameTime, transitionOnTime, -1))
{
// still transitioning
state = ScreenState.TransitionOn;
}
else
{
// transition finished
state = ScreenState.Active;
}
}
}