/// <summary>
/// Responds to user input, changing the selected entry and accepting
/// or cancelling the menu.
/// </summary>
public override void HandleInput(InputState input)
{
// Move to the previous menu entry?
if (input.MenuUp)
{
selectedEntry--;
if (selectedEntry < 0)
selectedEntry = menuEntries.Count - 1;
}
// Move to the next menu entry?
if (input.MenuDown)
{
selectedEntry++;
if (selectedEntry >= menuEntries.Count)
selectedEntry = 0;
}
// Accept or cancel the menu?
if (input.MenuSelect)
OnSelectEntry(selectedEntry);
}
/// <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(InputState input)
{
if (input == null)
throw new ArgumentNullException("input");
// Exit the game when back is pressed.
if (input.IsExit)
ScreenManager.Game.Exit();
}
/// <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(InputState input)
{
}