OpenNos.GameObject.ClientSession.ClearLowPriorityQueue C# (CSharp) Method

        public void ClearLowPriorityQueue()
        {
            _client.ClearLowPriorityQueue();
        }

        // Both partly
        public void ChangeMap(long id, short?mapId = null, short?mapX = null, short?mapY = null)
        {
            ClientSession session = GetSessionByCharacterId(id);

            if (session != null && session.Character != null && !session.Character.IsChangingMap)
            {
                try
                {
                    session.Character.IsChangingMap = true;

                    session.CurrentMap.RemoveMonstersTarget(session.Character.CharacterId);
                    session.CurrentMap.UnregisterSession(session.Character.CharacterId);

                    // cleanup sending queue to avoid sending uneccessary packets to it
                    session.ClearLowPriorityQueue();

                    // avoid cleaning new portals
                    if (mapId != null || mapX != null || mapY != null)
                    {
                        session.Character.MapId = (short)mapId;
                        session.Character.MapX  = (short)mapX;
                        session.Character.MapY  = (short)mapY;
                    }

                    session.CurrentMap = GetMap(session.Character.MapId);
                    session.CurrentMap.RegisterSession(session);
                    session.SendPacket(session.Character.GenerateCInfo());
                    session.SendPacket(session.Character.GenerateCMode());
                    session.SendPacket(session.Character.GenerateEq());
                    session.SendPacket(session.Character.GenerateEquipment());
                    session.SendPacket(session.Character.GenerateLev());
                    session.SendPacket(session.Character.GenerateStat());
                    session.SendPacket(session.Character.GenerateAt());
                    session.SendPacket(session.Character.GenerateCond());
                    session.SendPacket(session.Character.GenerateCMap());
                    session.SendPacket(session.Character.GenerateStatChar());
                    session.SendPacket($"gidx 1 {session.Character.CharacterId} -1 - 0"); // family
                    session.SendPacket("rsfp 0 -1");

                    // in 2 // send only when partner present cond 2 // send only when partner present
                    session.SendPacket(session.Character.GeneratePairy());
                    session.SendPacket("pinit 0"); // clear party list
                    session.SendPacket("act6");    // act6 1 0 14 0 0 0 14 0 0 0

                    Sessions.Where(s => s.Character != null && s.Character.MapId.Equals(session.Character.MapId) && s.Character.Name != session.Character.Name && !s.Character.InvisibleGm).ToList().ForEach(s => RequireBroadcastFromUser(session, s.Character.CharacterId, "GenerateIn"));

                    session.SendPackets(session.Character.GenerateGp());

                    // wp 23 124 4 4 12 99
                    session.SendPackets(session.Character.GenerateIn3());
                    session.SendPackets(session.Character.GenerateIn2());
                    session.SendPackets(session.Character.GenerateNPCShopOnMap());
                    session.SendPackets(session.Character.GenerateDroppedItem());
                    session.SendPackets(session.Character.GenerateShopOnMap());
                    session.SendPackets(session.Character.GeneratePlayerShopOnMap());
                    if (mapId == 138)
                    {
                        session.SendPacket("bc 0 0 0");
                    }
                    if (!session.Character.InvisibleGm)
                    {
                        session.CurrentMap?.Broadcast(session, session.Character.GenerateIn(), ReceiverType.AllExceptMe);
                    }
                    if (session.Character.Size != 10)
                    {
                        session.SendPacket(session.Character.GenerateScal());
                    }
                    if (session.CurrentMap.IsDancing && !session.Character.IsDancing)
                    {
                        session.CurrentMap?.Broadcast("dance 2");
                    }
                    else if (!session.CurrentMap.IsDancing && session.Character.IsDancing)
                    {
                        session.Character.IsDancing = false;
                        session.CurrentMap?.Broadcast("dance");
                    }
                    foreach (Group g in Groups)
                    {
                        foreach (ClientSession groupSession in g.Characters)
                        {
                            ClientSession chara = Sessions.FirstOrDefault(s => s.Character != null && s.Character.CharacterId == groupSession.Character.CharacterId && s.CurrentMap.MapId == groupSession.CurrentMap.MapId);
                            if (chara != null)
                            {
                                groupSession.SendPacket(groupSession.Character.GeneratePinit());
                            }
                            if (groupSession.Character.CharacterId == groupSession.Character.CharacterId)
                            {
                                session.CurrentMap?.Broadcast(groupSession, groupSession.Character.GeneratePidx(), ReceiverType.AllExceptMe);
                            }
                        }
                    }

                    session.Character.IsChangingMap = false;
                }
                catch (Exception)
                {
                    Logger.Log.Warn("Character changed while changing map. Do not abuse Commands.");
                    session.Character.IsChangingMap = false;
                }
            }
        }