GameFramework.RoomThread.DoTick C# (CSharp) Method

        private void DoTick()
        {
            foreach (Room rm in active_room_) {
                rm.Tick();
                if (rm.CanClose) {
                    unused_room_.Add(rm);
                }
            }
            foreach (Room rm in unused_room_) {
                room_mgr_.RemoveActiveRoom(rm.RoomID);
                active_room_.Remove(rm);
                rm.Destroy();
                room_pool_.FreeRoom(rm.LocalID);
            }
            unused_room_.Clear();
        }