/// <summary>
/// Creates a new instance of JoshoEngine.
/// </summary>
/// <param name="game">Game class to inject the JoshoEngine into.</param>
/// <param name="initialScreen">The initial GameScreen to add.</param>
public static void CreateEngine(Game game, GameScreen initialScreen)
{
if (!engineRunning)
{
Debug.WriteLine("[JoshoEngine] Injecting engine...");
// Create the screen manager component.
myScreenManager = new ScreenManager(game);
myScreenManager.Initialize ();
// Add the screen manager to the component stack.
game.Components.Add(myScreenManager);
// We've started the engine!
engineRunning = true;
Debug.WriteLine("[JoshoEngine] Injected new engine instance.");
// Add the initial screen to the ScreenManager
myScreenManager.AddScreen(initialScreen);
}
else
Debug.WriteLine("[JoshoEngine] Engine instance already created!");
}
/// <summary>
/// The constructor is private: loading screens should
/// be activated via the static Load method instead.
/// </summary>
private LoadingScreen(ScreenManager screenManager, bool loadingIsSlow,
GameScreen[] screensToLoad)
{
this.loadingIsSlow = loadingIsSlow;
this.screensToLoad = screensToLoad;
TransitionOnTime = TimeSpan.FromSeconds(0.5);
}
/// <summary>
/// Removes a screen from the screen manager. You should normally
/// use GameScreen.ExitScreen instead of calling this directly, so
/// the screen can gradually transition off rather than just being
/// instantly removed.
/// </summary>
public void RemoveScreen(GameScreen screen)
{
// If we have a graphics device, tell the screen to unload content.
if (isInitialized)
{
screen.UnloadContent();
}
screens.Remove(screen);
screensToUpdate.Remove(screen);
// if there is a screen still in the manager, update TouchPanel
// to respond to gestures that screen is interested in.
if (screens.Count > 0)
{
}
}
/// <summary>
/// Adds a new screen to the screen manager.
/// </summary>
public void AddScreen(GameScreen screen)
{
screenLoaded = false;
screen.ControllingPlayer = null;
screen.ScreenManager = this;
screen.IsExiting = false;
// If we have a graphics device, tell the screen to load content.
if (isInitialized)
{
screen.LoadContent();
}
screens.Add(screen);
screenLoaded = true;
}
