public void RemoveMoveDistanceListener(UnitMoveDistanceListener handler)
 {
     if (!PostMoveDistanceChange.Remove(handler))
     {
         DebugUtils.LogError(DebugUtils.Type.AI_Soldier, "Try to remove a unregister message!");
     }
 }
 public void RegisterMoveDistanceListener(UnitMoveDistanceListener handler)
 {
     PostMoveDistanceChange.Add(handler);
 }