/// <summary>
/// Constructs a new screen manager component.
/// </summary>
public ScreenManager(Game game, ContentManager contentManager, MenuInputState menuInputState)
: base(game)
{
content = contentManager;
_menuInputState = menuInputState;
graphicsDeviceService = (IGraphicsDeviceService)game.Services.GetService(
typeof(IGraphicsDeviceService));
if (graphicsDeviceService == null)
throw new InvalidOperationException("No graphics device service.");
}
/// <summary>
/// Lets the game respond to player input. Unlike the Update method,
/// this will only be called when the gameplay screen is active.
/// </summary>
public override void HandleInput(MenuInputState input)
{
if (input == null)
throw new ArgumentNullException("input");
if (!IsExiting)
{
if (input.PauseGame)
{
// If they pressed pause, bring up the pause menu screen.
const string message = "Exit the game?";
MessageBoxScreen messageBox = _screenFactory.MakeMessageBoxScreen(message);
//messageBox.Accepted += (sender, e) => base.ExitScreen();
messageBox.Accepted += ExitScreen;
}
}
base.HandleInput(input);
}
/// <summary>
/// Responds to user input, accepting or cancelling the message box.
/// </summary>
public override void HandleInput(MenuInputState input)
{
if (input.MenuSelect && (!pauseMenu ||
(input.CurrentGamePadState.Buttons.A == ButtonState.Pressed)))
{
// Raise the accepted event, then exit the message box.
if (Accepted != null)
Accepted(this, EventArgs.Empty);
ExitScreen();
}
else if (input.MenuCancel || (input.MenuSelect && pauseMenu &&
(input.CurrentGamePadState.Buttons.A == ButtonState.Released)))
{
// Raise the cancelled event, then exit the message box.
if (Cancelled != null)
Cancelled(this, EventArgs.Empty);
ExitScreen();
}
}
/// <summary>
/// Allows the screen to handle user input. Unlike Update, this method
/// is only called when the screen is active, and not when some other
/// screen has taken the focus.
/// </summary>
public virtual void HandleInput(MenuInputState input) { }
public void SetUp()
{
stubKeyboard = MockRepository.GenerateStub<IKeyboard>();
menuInputState = new MenuInputState(stubKeyboard);
}
