public class KeyBinding implements KeyListener
{
  public static int KEY_JUMP = KeyEvent.VK_Y;
  public static int KEY_ACTION = KeyEvent.VK_X;
  public static int KEY_INVENTORY = KeyEvent.VK_A;
  public static int KEY_LEFT = KeyEvent.VK_LEFT;
  public static int KEY_RIGHT = KeyEvent.VK_RIGHT;
  public static int KEY_UP = KeyEvent.VK_UP;
  public static int KEY_DOWN = KeyEvent.VK_DOWN;
  public static int KEY_RUN = KeyEvent.VK_C;

  public static boolean jumpDown;
  public static boolean actionDown;
  public static boolean inventoryDown;
  public static boolean leftDown;
  public static boolean rightDown;
  public static boolean upDown;
  public static boolean downDown;
  public static boolean runDown;

  @Override
  public void keyTyped(KeyEvent e)
  {

  }

  @Override
  public void keyPressed(KeyEvent e)
  {
    if(e.getKeyCode() == KEY_JUMP)
    {
      jumpDown = true;
    }
    if(e.getKeyCode() == KEY_ACTION)
    {
      actionDown = true;
    }
    if(e.getKeyCode() == KEY_INVENTORY)
    {
      inventoryDown = true;
    }
    if(e.getKeyCode() == KEY_LEFT)
    {
      leftDown = true;
    }
    if(e.getKeyCode() == KEY_RIGHT)
    {
      rightDown = true;
    }
    if(e.getKeyCode() == KEY_UP)
    {
      upDown = true;
    }
    if(e.getKeyCode() == KEY_DOWN)
    {
      downDown = true;
    }
    if(e.getKeyCode() == KEY_RUN)
    {
      runDown = true;
    }
  }

  @Override
  public void keyReleased(KeyEvent e)
  {
    if(e.getKeyCode() == KEY_JUMP)
    {
      jumpDown = false;
    }
    if(e.getKeyCode() == KEY_ACTION)
    {
      actionDown = false;
    }
    if(e.getKeyCode() == KEY_INVENTORY)
    {
      inventoryDown = false;
    }
    if(e.getKeyCode() == KEY_LEFT)
    {
      leftDown = false;
    }
    if(e.getKeyCode() == KEY_RIGHT)
    {
      rightDown = false;
    }
    if(e.getKeyCode() == KEY_UP)
    {
      upDown = false;
    }
    if(e.getKeyCode() == KEY_DOWN)
    {
      downDown = false;
    }
    if(e.getKeyCode() == KEY_RUN)
    {
      runDown = false;
    }
  }
}