public override void Draw(GameTime gameTime)
{
base.Draw(gameTime);
if (State != ScreenState.Hidden)
{
var sceneObjects = (from s in VisualObjects where s.Visible orderby s.DrawOrder ascending select s).ToList();
foreach (VisualObject vo in sceneObjects)
{
vo.Draw(gameTime);
}
if (State == ScreenState.TransitionOn || State == ScreenState.TransitionOff || State == ScreenState.Behind)
{
// Use our Custom one unless they have their own hooked
if (OnScreenTransition != null)
{
OnScreenTransition.Invoke();
}
else
{
SpriteBatch.Begin(SpriteSortMode, BlendState.AlphaBlend);
SpriteBatch.Draw(black,
new Rectangle(0, 0, Game.GraphicsDevice.Viewport.Width,
Game.GraphicsDevice.Viewport.Height),
new Color(255, 255, 255, screenAlpha));
SpriteBatch.End();
}
}
}
}
/*----------Functions----------*/
//PROTECTED
/// <summary>
/// Process the transition between active screens
/// </summary>
protected override void TransitionToPendingScreen()
{
// Reset the active control elements
GUIUtility.hotControl =
GUIUtility.keyboardControl = 0;
// Get the hash keys for the different elements
int toHash = transitionTo.GetHashCode();
int fromHash = (activeScreen != null ? activeScreen.GetHashCode() : 0);
// Close out the previous screen if it was in use
if (activeScreen != null &&
stateScreens.ContainsKey(fromHash) &&
stateScreens[fromHash] != null)
{
stateScreens[fromHash].OnClose(Data);
}
// Raise the state changed event
OnScreenTransition?.Invoke(this, new ScreenStateTransitionEventArgs(
transitionTo,
stateScreens.ContainsKey(toHash) ? stateScreens[toHash] : null,
activeScreen,
activeScreen != null && stateScreens.ContainsKey(fromHash) ? stateScreens[fromHash] : null
));
// Set the required values
activeScreen = transitionTo;
transitionTo = null;
// Open the new screen for display if it can
if (stateScreens.ContainsKey(toHash) &&
stateScreens[toHash] != null)
{
stateScreens[toHash].OnOpened(Data);
}
}