/// <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> /// Responds to user input, accepting or cancelling the message box. /// </summary> public override void HandleInput(InputState input) { PlayerIndex playerIndex; // 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 our Accepted and // Cancelled events, so they can tell which player triggered them. if (input.IsMenuSelect(ControllingPlayer, out playerIndex)) { // Raise the accepted event, then exit the message box. if (Accepted != null) Accepted(this, new PlayerIndexEventArgs(playerIndex)); ExitScreen(); } else if (input.IsMenuCancel(ControllingPlayer, out playerIndex)) { // Raise the cancelled event, then exit the message box. if (Cancelled != null) Cancelled(this, new PlayerIndexEventArgs(playerIndex)); ExitScreen(); } }
/// <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"); // Look up inputs for the active player profile. if (ControllingPlayer == null) return; var playerIndex = (int)ControllingPlayer.Value; var keyboardState = input.CurrentKeyboardStates[playerIndex]; var gamePadState = input.CurrentGamePadStates[playerIndex]; // The game pauses either if the user presses the pause button, or if // they unplug the active gamepad. This requires us to keep track of // whether a gamepad was ever plugged in, because we don't want to pause // on PC if they are playing with a keyboard and have no gamepad at all! var gamePadDisconnected = !gamePadState.IsConnected && input.GamePadWasConnected[playerIndex]; if (input.IsPauseGame(ControllingPlayer) || gamePadDisconnected) { ScreenManager.AddScreen(new PauseMenuScreen(), ControllingPlayer); } }
/// <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.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; } // 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; if (input.IsMenuSelect(ControllingPlayer, out playerIndex)) { OnSelectEntry(_selectedEntry, playerIndex); } else if (input.IsMenuCancel(ControllingPlayer, out playerIndex)) { OnCancel(playerIndex); } }