public virtual void AfterGridClose()
 {
     ConveyorSystem.AfterGridClose();
     if (MyPerGameSettings.EnableJumpDrive)
     {
         JumpSystem.AfterGridClose();
     }
     m_blocksRegistered = false;
 }
        public virtual void AfterGridClose()
        {
            ConveyorSystem.AfterGridClose();
            if (MyPerGameSettings.EnableJumpDrive)
            {
                JumpSystem.AfterGridClose();
            }
            m_blocksRegistered = false;

            // Clear out gas system
            GasSystem = null;
        }