public Game1()
{
graphics = new GraphicsDeviceManager(this);
graphics.PreferredBackBufferWidth = 240;
graphics.PreferredBackBufferHeight = 320;
Content.RootDirectory = "Content";
screenManager = new ScreenManager(this);
Components.Add(screenManager);
// Activate the first screens.
screenManager.AddScreen(new BackgroundScreen());
screenManager.AddScreen(new MainMenuScreen());
#if ZUNE
// Frame rate is 30 fps by default for Zune.
TargetElapsedTime = TimeSpan.FromSeconds(1 / 30.0);
#endif
}
/// <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);
// If this is going to be a slow load operation, create a background
// thread that will update the network session and draw the load screen
// animation while the load is taking place.
if (loadingIsSlow)
{
backgroundThread = new Thread(BackgroundWorkerThread);
backgroundThreadExit = new ManualResetEvent(false);
graphicsDevice = screenManager.GraphicsDevice;
// Look up some services that will be used by the background thread.
IServiceProvider services = screenManager.Game.Services;
}
}
/// <summary>
/// Activates the loading screen.
/// </summary>
public static void Load(ScreenManager screenManager, bool loadingIsSlow,
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);
}