/// <summary>
/// Reads input data from keyboard and gamepad, and stores
/// it into the specified player object.
/// </summary>
void ReadShipInputs(NetworkPlayer ship, PlayerIndex playerIndex)
{
// Read the gamepad.
GamePadState gamePad = GamePad.GetState(playerIndex);
Vector2 tankInput = gamePad.ThumbSticks.Left;
Vector2 turretInput = gamePad.ThumbSticks.Right;
// Read the keyboard.
KeyboardState keyboard = Keyboard.GetState(playerIndex);
if (keyboard.IsKeyDown(Keys.Left))
tankInput.X = -1;
else if (keyboard.IsKeyDown(Keys.Right))
tankInput.X = 1;
if (keyboard.IsKeyDown(Keys.Up))
tankInput.Y = 1;
else if (keyboard.IsKeyDown(Keys.Down))
tankInput.Y = -1;
if (keyboard.IsKeyDown(Keys.A))
turretInput.X = -1;
else if (keyboard.IsKeyDown(Keys.D))
turretInput.X = 1;
if (keyboard.IsKeyDown(Keys.W))
turretInput.Y = 1;
else if (keyboard.IsKeyDown(Keys.S))
turretInput.Y = -1;
// Normalize the input vectors.
if (tankInput.Length() > 1)
tankInput.Normalize();
if (turretInput.Length() > 1)
turretInput.Normalize();
// Store these input values into the tank object.
ship.TankInput = tankInput;
ship.TurretInput = turretInput;
}