/// <summary>
/// The main game constructor.
/// </summary>
public GameStateManagementGame()
{
Content.RootDirectory = "Content";
graphics = new GraphicsDeviceManager(this);
graphics.IsFullScreen = true;
TargetElapsedTime = TimeSpan.FromTicks(333333);
// you can choose whether you want a landscape or portait
// game by using one of the two helper functions.
InitializePortraitGraphics();
// InitializeLandscapeGraphics();
// Create the screen manager component.
screenManager = new ScreenManager(this);
Components.Add(screenManager);
// attempt to deserialize the screen manager from disk. if that
// fails, we add our default screens.
if (!screenManager.DeserializeState())
{
// Activate the first screens.
screenManager.AddScreen(new BackgroundScreen(), null);
screenManager.AddScreen(new MainMenuScreen(), null);
}
}
/// <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;
// we don't serialize loading screens. if the user exits while the
// game is at a loading screen, the game will resume at the screen
// before the loading screen.
IsSerializable = false;
TransitionOnTime = TimeSpan.FromSeconds(0.5);
}
/// <summary>
/// Activates the loading screen.
/// </summary>
public static void Load(ScreenManager screenManager, bool loadingIsSlow,
PlayerIndex? controllingPlayer,
params GameScreen[] screensToLoad)
{
// Tell all the current screens to transition off.
foreach (GameScreen screen in screenManager.GetScreens())
screen.ExitScreen();
// Create and activate the loading screen.
LoadingScreen loadingScreen = new LoadingScreen(screenManager,
loadingIsSlow,
screensToLoad);
screenManager.AddScreen(loadingScreen, controllingPlayer);
}