(61d00a474) v0.9.7.1
This commit is contained in:
Regalis
+324
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using System;
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using System.Collections.Generic;
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using System.Net;
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using System.Text;
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using Lidgren.Network;
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using Barotrauma.Steam;
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using System.Linq;
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namespace Barotrauma.Networking
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{
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class LidgrenClientPeer : ClientPeer
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{
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private bool isActive;
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private NetClient netClient;
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private NetPeerConfiguration netPeerConfiguration;
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private ConnectionInitialization initializationStep;
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private bool contentPackageOrderReceived;
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private int ownerKey;
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private int passwordSalt;
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private Steamworks.AuthTicket steamAuthTicket;
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List<NetIncomingMessage> incomingLidgrenMessages;
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public LidgrenClientPeer(string name)
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{
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ServerConnection = null;
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Name = name;
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netClient = null;
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isActive = false;
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}
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public override void Start(object endPoint, int ownerKey)
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{
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if (isActive) { return; }
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this.ownerKey = ownerKey;
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contentPackageOrderReceived = false;
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netPeerConfiguration = new NetPeerConfiguration("barotrauma");
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netPeerConfiguration.DisableMessageType(NetIncomingMessageType.DebugMessage | NetIncomingMessageType.WarningMessage | NetIncomingMessageType.Receipt
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| NetIncomingMessageType.ErrorMessage | NetIncomingMessageType.Error);
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netClient = new NetClient(netPeerConfiguration);
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if (SteamManager.IsInitialized)
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{
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steamAuthTicket = SteamManager.GetAuthSessionTicket();
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//TODO: wait for GetAuthSessionTicketResponse_t
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if (steamAuthTicket == null)
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{
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throw new Exception("GetAuthSessionTicket returned null");
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}
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}
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incomingLidgrenMessages = new List<NetIncomingMessage>();
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initializationStep = ConnectionInitialization.SteamTicketAndVersion;
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if (!(endPoint is IPEndPoint ipEndPoint))
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{
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throw new InvalidCastException("endPoint is not IPEndPoint");
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}
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if (ServerConnection != null)
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{
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throw new InvalidOperationException("ServerConnection is not null");
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}
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netClient.Start();
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ServerConnection = new LidgrenConnection("Server", netClient.Connect(ipEndPoint), 0)
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{
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Status = NetworkConnectionStatus.Connected
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};
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isActive = true;
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}
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public override void Update(float deltaTime)
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{
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if (!isActive) { return; }
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if (ownerKey != 0 && (ChildServerRelay.Process?.HasExited ?? true))
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{
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Close();
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var msgBox = new GUIMessageBox(TextManager.Get("ConnectionLost"), TextManager.Get("ServerProcessClosed"));
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msgBox.Buttons[0].OnClicked += (btn, obj) => { GameMain.MainMenuScreen.Select(); return false; };
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return;
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}
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incomingLidgrenMessages.Clear();
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netClient.ReadMessages(incomingLidgrenMessages);
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foreach (NetIncomingMessage inc in incomingLidgrenMessages)
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{
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if (inc.SenderConnection != (ServerConnection as LidgrenConnection).NetConnection) { continue; }
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switch (inc.MessageType)
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{
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case NetIncomingMessageType.Data:
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HandleDataMessage(inc);
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break;
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case NetIncomingMessageType.StatusChanged:
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HandleStatusChanged(inc);
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break;
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}
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}
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}
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private void HandleDataMessage(NetIncomingMessage inc)
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{
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if (!isActive) { return; }
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byte incByte = inc.ReadByte();
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bool isCompressed = (incByte & (byte)PacketHeader.IsCompressed) != 0;
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bool isConnectionInitializationStep = (incByte & (byte)PacketHeader.IsConnectionInitializationStep) != 0;
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//Console.WriteLine(isCompressed + " " + isConnectionInitializationStep + " " + (int)incByte);
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if (isConnectionInitializationStep && initializationStep != ConnectionInitialization.Success)
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{
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ReadConnectionInitializationStep(inc);
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}
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else
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{
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if (initializationStep != ConnectionInitialization.Success)
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{
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OnInitializationComplete?.Invoke();
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initializationStep = ConnectionInitialization.Success;
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}
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UInt16 length = inc.ReadUInt16();
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IReadMessage msg = new ReadOnlyMessage(inc.Data, isCompressed, inc.PositionInBytes, length, ServerConnection);
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OnMessageReceived?.Invoke(msg);
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}
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}
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private void HandleStatusChanged(NetIncomingMessage inc)
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{
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if (!isActive) { return; }
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NetConnectionStatus status = (NetConnectionStatus)inc.ReadByte();
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switch (status)
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{
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case NetConnectionStatus.Disconnected:
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string disconnectMsg = inc.ReadString();
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Close(disconnectMsg);
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OnDisconnectMessageReceived?.Invoke(disconnectMsg);
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break;
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}
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}
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private void ReadConnectionInitializationStep(NetIncomingMessage inc)
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{
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if (!isActive) { return; }
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ConnectionInitialization step = (ConnectionInitialization)inc.ReadByte();
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//Console.WriteLine(step + " " + initializationStep);
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NetOutgoingMessage outMsg; NetSendResult result;
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switch (step)
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{
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case ConnectionInitialization.SteamTicketAndVersion:
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if (initializationStep != ConnectionInitialization.SteamTicketAndVersion) { return; }
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outMsg = netClient.CreateMessage();
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outMsg.Write((byte)PacketHeader.IsConnectionInitializationStep);
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outMsg.Write((byte)ConnectionInitialization.SteamTicketAndVersion);
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outMsg.Write(Name);
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outMsg.Write(ownerKey);
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outMsg.Write(SteamManager.GetSteamID());
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if (steamAuthTicket == null)
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{
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outMsg.Write((UInt16)0);
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}
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else
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{
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outMsg.Write((UInt16)steamAuthTicket.Data.Length);
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outMsg.Write(steamAuthTicket.Data, 0, steamAuthTicket.Data.Length);
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}
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outMsg.Write(GameMain.Version.ToString());
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IEnumerable<ContentPackage> mpContentPackages = GameMain.SelectedPackages.Where(cp => cp.HasMultiplayerIncompatibleContent);
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outMsg.WriteVariableInt32(mpContentPackages.Count());
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foreach (ContentPackage contentPackage in mpContentPackages)
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{
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outMsg.Write(contentPackage.Name);
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outMsg.Write(contentPackage.MD5hash.Hash);
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}
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result = netClient.SendMessage(outMsg, NetDeliveryMethod.ReliableUnordered);
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if (result != NetSendResult.Queued && result != NetSendResult.Sent)
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{
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DebugConsole.NewMessage("Failed to send "+initializationStep.ToString()+" message to host: " + result);
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}
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break;
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case ConnectionInitialization.ContentPackageOrder:
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if (initializationStep == ConnectionInitialization.SteamTicketAndVersion ||
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initializationStep == ConnectionInitialization.Password) { initializationStep = ConnectionInitialization.ContentPackageOrder; }
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if (initializationStep != ConnectionInitialization.ContentPackageOrder) { return; }
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outMsg = netClient.CreateMessage();
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outMsg.Write((byte)PacketHeader.IsConnectionInitializationStep);
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outMsg.Write((byte)ConnectionInitialization.ContentPackageOrder);
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Int32 cpCount = inc.ReadVariableInt32();
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List<ContentPackage> serverContentPackages = new List<ContentPackage>();
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for (int i = 0; i < cpCount; i++)
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{
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string hash = inc.ReadString();
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serverContentPackages.Add(GameMain.Config.SelectedContentPackages.Find(cp => cp.MD5hash.Hash == hash));
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}
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if (!contentPackageOrderReceived)
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{
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GameMain.Config.ReorderSelectedContentPackages(cp => serverContentPackages.Contains(cp) ?
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serverContentPackages.IndexOf(cp) :
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serverContentPackages.Count + GameMain.Config.SelectedContentPackages.IndexOf(cp));
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contentPackageOrderReceived = true;
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}
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result = netClient.SendMessage(outMsg, NetDeliveryMethod.ReliableUnordered);
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if (result != NetSendResult.Queued && result != NetSendResult.Sent)
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{
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DebugConsole.NewMessage("Failed to send " + initializationStep.ToString() + " message to host: " + result);
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}
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break;
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case ConnectionInitialization.Password:
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if (initializationStep == ConnectionInitialization.SteamTicketAndVersion) { initializationStep = ConnectionInitialization.Password; }
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if (initializationStep != ConnectionInitialization.Password) { return; }
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bool incomingSalt = inc.ReadBoolean(); inc.ReadPadBits();
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int retries = 0;
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if (incomingSalt)
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{
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passwordSalt = inc.ReadInt32();
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}
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else
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{
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retries = inc.ReadInt32();
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}
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OnRequestPassword?.Invoke(passwordSalt, retries);
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break;
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}
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}
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public override void SendPassword(string password)
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{
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if (!isActive) { return; }
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if (initializationStep != ConnectionInitialization.Password) { return; }
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NetOutgoingMessage outMsg = netClient.CreateMessage();
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outMsg.Write((byte)PacketHeader.IsConnectionInitializationStep);
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outMsg.Write((byte)ConnectionInitialization.Password);
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byte[] saltedPw = ServerSettings.SaltPassword(Encoding.UTF8.GetBytes(password), passwordSalt);
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outMsg.Write((byte)saltedPw.Length);
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outMsg.Write(saltedPw, 0, saltedPw.Length);
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NetSendResult result = netClient.SendMessage(outMsg, NetDeliveryMethod.ReliableUnordered);
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if (result != NetSendResult.Queued && result != NetSendResult.Sent)
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{
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DebugConsole.NewMessage("Failed to send " + initializationStep.ToString() + " message to host: " + result);
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}
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}
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public override void Close(string msg = null)
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{
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if (!isActive) { return; }
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isActive = false;
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netClient.Shutdown(msg ?? TextManager.Get("Disconnecting"));
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netClient = null;
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steamAuthTicket?.Cancel(); steamAuthTicket = null;
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OnDisconnect?.Invoke();
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}
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public override void Send(IWriteMessage msg, DeliveryMethod deliveryMethod)
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{
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if (!isActive) { return; }
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NetDeliveryMethod lidgrenDeliveryMethod = NetDeliveryMethod.Unreliable;
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switch (deliveryMethod)
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{
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case DeliveryMethod.Unreliable:
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lidgrenDeliveryMethod = NetDeliveryMethod.Unreliable;
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break;
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case DeliveryMethod.Reliable:
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lidgrenDeliveryMethod = NetDeliveryMethod.ReliableUnordered;
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break;
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case DeliveryMethod.ReliableOrdered:
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lidgrenDeliveryMethod = NetDeliveryMethod.ReliableOrdered;
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break;
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}
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#if DEBUG
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netPeerConfiguration.SimulatedDuplicatesChance = GameMain.Client.SimulatedDuplicatesChance;
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netPeerConfiguration.SimulatedMinimumLatency = GameMain.Client.SimulatedMinimumLatency;
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netPeerConfiguration.SimulatedRandomLatency = GameMain.Client.SimulatedRandomLatency;
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netPeerConfiguration.SimulatedLoss = GameMain.Client.SimulatedLoss;
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#endif
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NetOutgoingMessage lidgrenMsg = netClient.CreateMessage();
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byte[] msgData = new byte[msg.LengthBytes];
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msg.PrepareForSending(ref msgData, out bool isCompressed, out int length);
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lidgrenMsg.Write((byte)(isCompressed ? PacketHeader.IsCompressed : PacketHeader.None));
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lidgrenMsg.Write((UInt16)length);
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lidgrenMsg.Write(msgData, 0, length);
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NetSendResult result = netClient.SendMessage(lidgrenMsg, lidgrenDeliveryMethod);
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if (result != NetSendResult.Queued && result != NetSendResult.Sent)
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{
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DebugConsole.NewMessage("Failed to send message to host: " + result);
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}
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}
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#if DEBUG
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public override void ForceTimeOut()
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{
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netClient?.ServerConnection?.ForceTimeOut();
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}
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#endif
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}
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}
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