public Game1()
{
graphics = new GraphicsDeviceManager(this);
Content.RootDirectory = "Content";
TargetElapsedTime = TimeSpan.FromTicks(333333);
// 延长锁定时的电池寿命。
InactiveSleepTime = TimeSpan.FromSeconds(1);
graphics.SupportedOrientations = DisplayOrientation.LandscapeLeft;
graphics.PreferredBackBufferWidth = 1280;
graphics.PreferredBackBufferHeight = 768;
screenManager = new ScreenManager(this);
//screenManager.TraceEnabled = true;
Components.Add(screenManager);
// 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);
}