/// <summary>
        /// Adds a new gps persistent gps to all players
        /// </summary>
        /// <param name="name">Name of the gps</param>
        /// <param name="color">Color of the gps</param>
        /// <param name="pos">Position of the gps</param>
        /// <param name="id">The id of the gps</param>
        public void AddPersistentGps(string name, Color color, Vector3D pos, Guid id)
        {
            MyGpsData data = new MyGpsData()
            {
                Name     = name,
                Color    = color,
                Position = pos,
                Id       = id,
                Players  = new HashSet <long>()
            };

            if (!m_globalGpss.ContainsKey(id))
            {
                m_globalGpss[id] = data;
            }
        }
        /// <summary>
        /// Loads persistent gps data
        /// </summary>
        public override void LoadData()
        {
            MyPluginLog.Log("Loading GPS manager data");
            Static = this;

            MyObjectBuilder_WorldGpsData ob;

            if (MyFileUtils.FileExistsInWorldStorage(FILENAME))
            {
                ob = MyFileUtils.ReadXmlFileFromWorld <MyObjectBuilder_WorldGpsData>(FILENAME);
            }
            else
            {
                ob = new MyObjectBuilder_WorldGpsData();
            }

            m_globalGpss  = new Dictionary <Guid, MyGpsData>();
            m_dynamicGpss = new Dictionary <Tuple <Guid, long>, int>();

            foreach (var item in ob.PersistentGpss)
            {
                var data = new MyGpsData(item.Name, item.Color, item.Position, item.Id, item.PlayerIds, item.Hidden);
                m_globalGpss[item.Id] = data;
            }

            MySession.Static.OnSavingCheckpoint += delegate
            {
                foreach (var key in m_dynamicGpss.Keys)
                {
                    MySession.Static.Gpss.SendDelete(key.Item2, m_dynamicGpss[key]);
                }
                ;
                m_dynamicGpss.Clear();
            };

            MyPluginLog.Log("Loading GPS manager data completed");
        }