/// <summary>
/// Responds to user input, changing the selected entry and accepting
/// or cancelling the menu.
/// </summary>
public override void HandleInput(InputState input)
{
Vector2 screenPos = input.MousePosition;
cursorPosition = ScreenManager.camera.screenToWorldUI(screenPos);
// Accept or cancel the menu? We pass in our ControllingPlayer, which may
// either be null (to accept input from any player) or a specific index.
// If we pass a null controlling player, the InputState helper returns to
// us which player actually provided the input. We pass that through to
// OnSelectEntry and OnCancel, so they can tell which player triggered them.
PlayerIndex playerIndex = PlayerIndex.One;
if (!useMouse)
{
// Move to the previous menu entry?
if (input.IsMenuUp(ControllingPlayer))
{
selectedEntry--;
if (selectedEntry < 0)
selectedEntry = menuEntries.Count - 1;
}
// Move to the next menu entry?
if (input.IsMenuDown(ControllingPlayer))
{
selectedEntry++;
if (selectedEntry >= menuEntries.Count)
selectedEntry = 0;
}
}
else
{
int index = 0;
Vector2 pos = new Vector2(0f, position.Y);
foreach (MenuEntry entry in MenuEntries)
{
pos.X = position.X - entry.GetWidth(this) / 2;
Rectangle menuBounds = new Rectangle((int)pos.X, (int)pos.Y, entry.GetWidth(this), entry.GetHeight(this));
if (menuBounds.Contains((int)cursorPosition.X, (int)cursorPosition.Y))
{
selectedEntry = index;
if (input.IsLeftMouseClick())
{
OnSelectEntry(selectedEntry, playerIndex);
break;
}
}
index++;
pos.Y += entry.GetHeight(this) * lineHeight;
}
}
if (input.IsConfirm(ControllingPlayer, out playerIndex))
{
OnSelectEntry(selectedEntry, playerIndex);
}
else if (input.IsMenuCancel(ControllingPlayer, out playerIndex))
{
OnCancel(playerIndex);
}
}
/// <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)
{
}
/// <summary>
/// Handles input for the screen.
/// </summary>
/// <param name="input">InputState manager object.</param>
public override void HandleInput(InputState input)
{
// If escape is pressed, pause the game
if (input.IsPauseGame(null))
{
paused = true;
}
Vector2 screenPos = input.MousePosition;
cursorWorldPos = camera.screenToWorldUI(screenPos);
base.HandleInput(input);
}