public enum BUTTON
{
  FORWARD = 2,
  BACKWARD = 4,
  LEFT = 8,
  RIGHT = 16,
  JUMP = 32,
  DUCK = 64,
  SPRINT = 128,
  USE = 256,
  FIRE_PRIMARY = 1024,
  FIRE_SECONDARY = 2048,
  RELOAD = 8192,
  FIRE_THIRD = 134217728,
}