Miscellany

        public InputManagerDM()
        {
            currentGamePadsState = new GamePadState[4];
            lastGamePadsState = new GamePadState[4];

            for (int i = 0; i < 4; ++i)
            {
                currentGamePadsState[i] = GamePad.GetState((PlayerIndex)i);
                lastGamePadsState[i] = currentGamePadsState[i];
            }

            currentKeyboardState = Keyboard.GetState();
            lastKeyboardState = currentKeyboardState;

            currentMouseState = Mouse.GetState();
            lastMouseState = currentMouseState;
        }