/// <summary>
/// Evaluates the action against a given InputState.
/// </summary>
/// <param name="state">The InputState to test for the action.</param>
/// <param name="controllingPlayer">The player to test, or null to allow any player.</param>
/// <param name="player">If controllingPlayer is null, this is the player that performed the action.</param>
/// <returns>True if the action occurred, false otherwise.</returns>
public bool Evaluate(InputState state, PlayerIndex? controllingPlayer, out PlayerIndex player)
{
// Figure out which delegate methods to map from the state which takes care of our "newPressOnly" logic
ButtonPress buttonTest;
KeyPress keyTest;
if (newPressOnly)
{
buttonTest = state.IsNewButtonPress;
keyTest = state.IsNewKeyPress;
}
else
{
buttonTest = state.IsButtonPressed;
keyTest = state.IsKeyPressed;
}
// Now we simply need to invoke the appropriate methods for each button and key in our collections
foreach (Buttons button in buttons)
{
if (buttonTest(button, controllingPlayer, out player))
return true;
}
foreach (Keys key in keys)
{
if (keyTest(key, controllingPlayer, out player))
return true;
}
// If we got here, the action is not matched
player = PlayerIndex.One;
return false;
}
public override void HandleInput(GameTime gameTime, InputState input)
{
// Test for the menuCancel action
PlayerIndex player;
if (menuCancel.Evaluate(input, ControllingPlayer, out player))
{
OnCancel();
}
// Read in our gestures
foreach (GestureSample gesture in input.Gestures)
{
// If we have a tap
if (gesture.GestureType == GestureType.Tap)
{
// Test the tap against the buttons until one of the buttons handles the tap
foreach (Button b in menuButtons)
{
if (b.HandleTap(gesture.Position))
break;
}
}
}
base.HandleInput(gameTime, input);
}
/// <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(GameTime gameTime, InputState input)
{
}
/// <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(GameTime gameTime, InputState input)
{
if (input == null)
throw new ArgumentNullException("input");
// Look up inputs for the active player profile.
int playerIndex = (int)ControllingPlayer.Value;
KeyboardState keyboardState = input.CurrentKeyboardStates[playerIndex];
GamePadState 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!
bool gamePadDisconnected = !gamePadState.IsConnected &&
input.GamePadWasConnected[playerIndex];
PlayerIndex player;
if (pauseAction.Evaluate(input, ControllingPlayer, out player) || gamePadDisconnected)
{
#if WINDOWS_PHONE
ScreenManager.AddScreen(new PhonePauseScreen(), ControllingPlayer);
#else
ScreenManager.AddScreen(new PauseMenuScreen(), ControllingPlayer);
#endif
}
else
{
// Otherwise move the player position.
Vector2 movement = Vector2.Zero;
if (keyboardState.IsKeyDown(Keys.Left))
movement.X--;
if (keyboardState.IsKeyDown(Keys.Right))
movement.X++;
if (keyboardState.IsKeyDown(Keys.Up))
movement.Y--;
if (keyboardState.IsKeyDown(Keys.Down))
movement.Y++;
Vector2 thumbstick = gamePadState.ThumbSticks.Left;
movement.X += thumbstick.X;
movement.Y -= thumbstick.Y;
if (input.TouchState.Count > 0)
{
Vector2 touchPosition = input.TouchState[0].Position;
//Vector2 direction = touchPosition - playerPosition;
//direction.Normalize();
//movement += direction;
}
if (movement.Length() > 1)
movement.Normalize();
//playerPosition += movement * 8f;
}
}
