/// <summary>
/// Input helper method provided by GameScreen. Packages up the various input
/// values for ease of use. Here it checks for pausing and handles controlling
/// the player's tank.
/// </summary>
/// <param name="input">The state of the gamepads</param>
public override void HandleInput(InputState input)
{
if (input == null)
{
throw new ArgumentNullException("input");
}
if (input.PauseGame)
{
if (gameOver == true)
{
finishCurrentGame();
}
}
else
{
touchState = TouchPanel.GetState();
bool buttonTouched = false;
//interpret touch screen presses
foreach (TouchLocation location in touchState)
{
switch (location.State)
{
case TouchLocationState.Pressed:
buttonTouched = true;
break;
case TouchLocationState.Moved:
break;
case TouchLocationState.Released:
break;
}
}
float movement = 0.0f;
if (accelState != null)
{
if (Math.Abs(accelState.X) > 0.10f)
{
if (accelState.X > 0.0f)
{
movement = 1.0f;
}
else
{
movement = -1.0f;
}
}
}
player.Velocity.X = movement;
//This section handles tank movement. We only allow one "movement" action
//to occur at once so that touchpad devices don't get double hits.
KeyboardState keyState = Keyboard.GetState();
if (input.CurrentGamePadStates[0].DPad.Left == ButtonState.Pressed || keyState.IsKeyDown(Keys.Left))
{
player.Velocity.X = -1.0f;
}
else if (input.CurrentGamePadStates[0].DPad.Right == ButtonState.Pressed || keyState.IsKeyDown(Keys.Right))
{
player.Velocity.X = 1.0f;
}
else
{
player.Velocity.X = MathHelper.Min(input.CurrentGamePadStates[0].ThumbSticks.Left.X * 2.0f, 1.0f);
}
// B button, or pressing on the upper half of the pad or space on keyboard or touching the touch panel fires the weapon.
if (input.CurrentGamePadStates[0].IsButtonDown(Buttons.B) || input.CurrentGamePadStates[0].IsButtonDown(Buttons.A) || input.CurrentGamePadStates[0].ThumbSticks.Left.Y > 0.25f ||
keyState.IsKeyDown(Keys.Space) || buttonTouched)
{
if (!gameOver)
{
if (player.FireTimer <= 0.0f && player.IsAlive && !gameOver)
{
Bullet bullet = CreatePlayerBullet();
bullet.Position = new Vector2((int)(player.Position.X + player.Width / 2) - bulletTexture.Width / 2, player.Position.Y - 4);
bullet.Velocity = new Vector2(0, -256.0f);
player.FireTimer = 1.0f;
particles.CreatePlayerFireSmoke(player);
playerFired.Play();
}
else if (gameOver)
{
finishCurrentGame();
}
}
else if (gameOver)
{
finishCurrentGame();
}
}
}
}
