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

        private void TriggerHandler(string packetHeader, string packet, bool force)
        {
            if (!IsDisposing)
            {
                HandlerMethodReference methodReference = HandlerMethods.ContainsKey(packetHeader) ? HandlerMethods[packetHeader] : null;

                if (methodReference != null)
                {
                    if (methodReference.HandlerMethodAttribute != null && !force && methodReference.HandlerMethodAttribute.Amount > 1 && !_waitForPacketsAmount.HasValue)
                    {
                        // we need to wait for more
                        _waitForPacketsAmount = methodReference.HandlerMethodAttribute.Amount;
                        _waitForPacketList.Add(packet != String.Empty ? packet : $"1 {packetHeader} ");
                        return;
                    }
                    try
                    {
                        if (HasSelectedCharacter || methodReference.ParentHandler.GetType().Name == "CharacterScreenPacketHandler" || methodReference.ParentHandler.GetType().Name == "LoginPacketHandler")
                        {
                            // call actual handler method
                            if (methodReference.PacketDefinitionParameterType != null)
                            {
                                object serializedPacket = PacketFactory.Deserialize(packet, methodReference.PacketDefinitionParameterType, true);

                                if (serializedPacket != null || methodReference.PassNonParseablePacket)
                                {
                                    methodReference.HandlerMethod(methodReference.ParentHandler, serializedPacket);
                                }
                                else
                                {
                                    Logger.Log.WarnFormat(Language.Instance.GetMessageFromKey("CORRUPT_PACKET"), packetHeader, packet);
                                }
                            }
                            else
                            {
                                methodReference.HandlerMethod(methodReference.ParentHandler, packet);
                            }
                        }
                    }
                    catch (DivideByZeroException ex)
                    {
                        throw ex;
                        // disconnect if something unexpected happens
                        Logger.Log.Error("Handler Error SessionId: " + SessionId, ex);
                        Disconnect();
                    }
                }
                else
                {
                    Logger.Log.WarnFormat(Language.Instance.GetMessageFromKey("HANDLER_NOT_FOUND"), packetHeader);
                }
            }
            else
            {
                Logger.Log.WarnFormat(Language.Instance.GetMessageFromKey("CLIENTSESSION_DISPOSING"), packetHeader);
            }
        }