protected void processMouseWheelEvent(MouseWheelEvent e) {
	        if (hasFocus()) {
	            int code = InputManager.MOUSE_WHEEL_DOWN;
	            if (e.getWheelRotation() < 0) {
	                code = InputManager.MOUSE_WHEEL_UP;
	            }
	            mapGameAction(code, true);
	        }
	        e.consume();
	    }