/// <summary>
/// Draws the loading screen
/// </summary>
/// <param name="aGameTime"></param>
public override void Draw(GameTime aGameTime)
{
// If we are the only active screen, that means all the previous screens
// must have finished transitioning off. We check for this in the Draw
// method, rather than in Update, because it isn't enough just for the
// screens to be gone: in order for the transition to look good we must
// have actually drawn a frame without them before we perform the load.
if ((ScreenState == ScreenState.Active) &&
(ScreenManager.GetScreens().Length == 1))
{
mOtherScreensAreGone = true;
}
// The gameplay screen takes a while to load, so we display a loading
// message while that is going on, but the menus load very quickly, and
// it would look silly if we flashed this up for just a fraction of a
// second while returning from the game to the menus. This parameter
// tells us how long the loading is going to take, so we know whether
// to bother drawing the message.
if (mLoadingIsSlow)
{
SpriteBatch lSpriteBatch = ScreenManager.SpriteBatch;
//Center the text in the viewport
Viewport lViewport = ScreenManager.GraphicsDevice.Viewport;
Vector2 lViewportSize = new Vector2(lViewport.Width, lViewport.Height);
Color lColor = new Color(255, 255, 255, TransitionAlpha);
lSpriteBatch.Begin();
lSpriteBatch.Draw(mLoadingBlackTexture, mLoadingBlackTextureDestination, Color.White);
lSpriteBatch.Draw(mLoadingTexture, mLoadingPos, Color.White);
lSpriteBatch.End();
}
}
/// <summary>
/// Activates the loading screen. Will transition all currently active screens off.
/// </summary>
/// <param name="aScreenManager"></param>
/// <param name="aLoadingIsSlow"></param>
/// <param name="aScreensToLoad"></param>
public static void Load(ScreenManager aScreenManager, bool aLoadingIsSlow, params GameScreen[] aScreensToLoad)
{
//Tell all the current screens to transition off
foreach(GameScreen lScreen in aScreenManager.GetScreens())
{
lScreen.ExitScreen();
}
//Create and activate the loading screen
LoadingScreen lLoadingScreen = new LoadingScreen(aScreenManager, aLoadingIsSlow, aScreensToLoad);
aScreenManager.AddScreen(lLoadingScreen);
}
/// <summary>
/// Activates the loading screen. Will transition all currently active screens off.
/// </summary>
/// <param name="aScreenManager"></param>
/// <param name="aLoadingIsSlow"></param>
/// <param name="aScreensToLoad"></param>
public static void Load(ScreenManager aScreenManager, bool aLoadingIsSlow, params GameScreen[] aScreensToLoad)
{
//Tell all the current screens to transition off
foreach (GameScreen lScreen in aScreenManager.GetScreens())
{
lScreen.ExitScreen();
}
//Create and activate the loading screen
LoadingScreen lLoadingScreen = new LoadingScreen(aScreenManager, aLoadingIsSlow, aScreensToLoad);
aScreenManager.AddScreen(lLoadingScreen);
}