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Regalis
384
Subsurface/Networking/GameClient.cs
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384
Subsurface/Networking/GameClient.cs
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using System;
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using System.Diagnostics;
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using Lidgren.Network;
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using Microsoft.Xna.Framework;
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namespace Subsurface.Networking
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{
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class GameClient : NetworkMember
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{
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NetClient Client;
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private Character myCharacter;
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private CharacterInfo characterInfo;
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string name;
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// Create timer that tells client, when to send update
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// System.Timers.Timer update;
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public Character Character
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{
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get { return myCharacter; }
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set { myCharacter = value; }
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}
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public CharacterInfo CharacterInfo
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{
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get { return characterInfo; }
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}
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public string Name
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{
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get { return name; }
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set
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{
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if (string.IsNullOrEmpty(name)) return;
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name = value;
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}
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}
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public GameClient(string name)
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{
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this.name = name;
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this.characterInfo = new CharacterInfo("Content/Characters/Human/human.xml", name);
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}
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public bool ConnectToServer(string hostIP)
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{
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myCharacter = Character.Controlled;
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// Create new instance of configs. Parameter is "application Id". It has to be same on client and server.
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NetPeerConfiguration Config = new NetPeerConfiguration("subsurface");
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//Config.SimulatedLoss = 0.2f;
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//Config.SimulatedMinimumLatency = 0.25f;
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// Create new client, with previously created configs
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Client = new NetClient(Config);
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NetOutgoingMessage outmsg = Client.CreateMessage();
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Client.Start();
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outmsg.Write((byte)PacketTypes.Login);
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outmsg.Write(Game1.version.ToString());
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outmsg.Write(name);
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// Connect client, to ip previously requested from user
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try
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{
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Client.Connect(hostIP, 14242, outmsg);
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}
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catch (ArgumentNullException e)
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{
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DebugConsole.ThrowError("Couldn't connect to "+hostIP+". Error message: "+e.Message);
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return false;
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}
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// Create timespan of 30ms
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updateInterval = new TimeSpan(0, 0, 0, 0, 200);
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// Set timer to tick every 50ms
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//update = new System.Timers.Timer(50);
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// When time has elapsed ( 50ms in this case ), call "update_Elapsed" funtion
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//update.Elapsed += new System.Timers.ElapsedEventHandler(Update);
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// Funtion that waits for connection approval info from server
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WaitForStartingInfo();
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if (Client.ConnectionStatus!=NetConnectionStatus.Connected)
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{
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DebugConsole.ThrowError("Couldn't connect to server");
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return false;
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}
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else
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{
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return true;
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}
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// Start the timer
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//update.Start();
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}
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// Before main looping starts, we loop here and wait for approval message
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private void WaitForStartingInfo()
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{
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// When this is set to true, we are approved and ready to go
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bool CanStart = false;
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DateTime timeOut = DateTime.Now + new TimeSpan(0,0,5);
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// Loop untill we are approved
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while (!CanStart)
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{
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if (DateTime.Now>timeOut) return;
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NetIncomingMessage inc;
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// If new messages arrived
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if ((inc = Client.ReadMessage()) == null) continue;
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// Switch based on the message types
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switch (inc.MessageType)
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{
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// All manually sent messages are type of "Data"
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case NetIncomingMessageType.Data:
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if (inc.ReadByte() == (byte)PacketTypes.LoggedIn)
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{
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//add the names of other connected clients to the lobby screen
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int existingClients = inc.ReadInt32();
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for (int i = 1; i <= existingClients; i++)
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{
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Game1.netLobbyScreen.AddPlayer(inc.ReadString());
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}
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//add the name of own client to the lobby screen
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Game1.netLobbyScreen.AddPlayer(name);
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CanStart = true;
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}
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else if (inc.ReadByte() == (byte)PacketTypes.KickedOut)
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{
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string msg = inc.ReadString();
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DebugConsole.ThrowError(msg);
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Game1.mainMenuScreen.Select();
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}
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break;
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case NetIncomingMessageType.StatusChanged:
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Debug.WriteLine((NetConnectionStatus)inc.ReadByte());
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break;
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default:
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// Should not happen and if happens, don't care
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Console.WriteLine(inc.ReadString() + " Strange message");
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break;
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}
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}
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}
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public void Update()
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{
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if (updateTimer > DateTime.Now) return;
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if (myCharacter!=null)
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{
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if (myCharacter.IsDead)
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{
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Character.Controlled = null;
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Game1.gameScreen.Cam.TargetPos = Vector2.Zero;
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Game1.gameScreen.Cam.Zoom = 1.0f;
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}
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else
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{
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if (gameStarted) new NetworkEvent(myCharacter.ID, true);
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}
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}
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foreach (NetworkEvent networkEvent in NetworkEvent.events)
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{
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NetOutgoingMessage message = Client.CreateMessage();
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message.Write((byte)PacketTypes.NetworkEvent);
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if (networkEvent.FillData(message))
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{
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Client.SendMessage(message,
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(networkEvent.IsImportant) ? NetDeliveryMethod.ReliableUnordered : NetDeliveryMethod.Unreliable);
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}
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}
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NetworkEvent.events.Clear();
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CheckServerMessages();
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// Update current time
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updateTimer = DateTime.Now + updateInterval;
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}
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/// <summary>
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/// Check for new incoming messages from server
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/// </summary>
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private void CheckServerMessages()
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{
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// Create new incoming message holder
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NetIncomingMessage inc;
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while ((inc = Client.ReadMessage()) != null)
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{
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if (inc.MessageType != NetIncomingMessageType.Data) continue;
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switch (inc.ReadByte())
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{
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case (byte)PacketTypes.StartGame:
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if (gameStarted) continue;
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int seed = inc.ReadInt32();
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Game1.random = new Random(seed);
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string mapFile = inc.ReadString();
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Map.Load(mapFile);
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double durationMinutes = inc.ReadDouble();
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TimeSpan duration = new TimeSpan(0,(int)durationMinutes,0);
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//int gameModeIndex = inc.ReadInt32();
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Game1.gameSession = new GameSession("", false, duration);
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Game1.gameSession.StartShift(1);
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myCharacter = ReadCharacterData(inc);
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Character.Controlled = myCharacter;
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int count = inc.ReadInt32();
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for (int n = 0; n < count; n++)
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{
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ReadCharacterData(inc);
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}
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gameStarted = true;
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Game1.gameScreen.Select();
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AddChatMessage("Press TAB to chat", ChatMessageType.Server);
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break;
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case (byte)PacketTypes.EndGame:
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string endMessage = inc.ReadString();
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EndGame(endMessage);
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break;
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case (byte)PacketTypes.PlayerJoined:
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Client otherClient = new Client();
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otherClient.name = inc.ReadString();
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Game1.netLobbyScreen.AddPlayer(otherClient.name);
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//string newPlayerName = inc.ReadString();
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//int newPlayerID = inc.ReadInt32();
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//CharacterInfo ch = new CharacterInfo("Content/Characters/Human/human.xml", newPlayerName);
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//ch.ID = newPlayerID;
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//Character.newCharacterQueue.Enqueue(ch);
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AddChatMessage(otherClient.name + " has joined the server", ChatMessageType.Server);
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break;
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case (byte)PacketTypes.PlayerLeft:
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string leavingName = inc.ReadString();
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AddChatMessage(inc.ReadString(), ChatMessageType.Server);
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Game1.netLobbyScreen.RemovePlayer(leavingName);
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break;
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case (byte)PacketTypes.KickedOut:
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string msg= inc.ReadString();
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DebugConsole.ThrowError(msg);
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Game1.mainMenuScreen.Select();
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break;
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case (byte)PacketTypes.Chatmessage:
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ChatMessageType messageType = (ChatMessageType)inc.ReadByte();
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AddChatMessage(inc.ReadString(), messageType);
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break;
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case (byte)PacketTypes.NetworkEvent:
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//read the data from the message and update client state accordingly
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if (!gameStarted) break;
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NetworkEvent.ReadData(inc);
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break;
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case (byte)PacketTypes.UpdateNetLobby:
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if (gameStarted) continue;
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Game1.netLobbyScreen.ReadData(inc);
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break;
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case (byte)PacketTypes.Traitor:
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string targetName = inc.ReadString();
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Game1.gameSession.NewChatMessage("You are an agent of Ordo Europae", messageColor[(int)ChatMessageType.Server]);
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Game1.gameSession.NewChatMessage("Your secret task is to assassinate " + targetName + "!", messageColor[(int)ChatMessageType.Server]);
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break;
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}
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}
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}
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public void EndGame(string endMessage)
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{
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Map.Clear();
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Game1.netLobbyScreen.Select();
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if (Game1.gameSession!=null) Game1.gameSession.EndShift(null, null);
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DebugConsole.ThrowError(endMessage);
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myCharacter = null;
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gameStarted = false;
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}
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public void Disconnect()
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{
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NetOutgoingMessage msg = Client.CreateMessage();
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msg.Write((byte)PacketTypes.PlayerLeft);
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Client.SendMessage(msg, NetDeliveryMethod.ReliableUnordered);
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}
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public void SendCharacterData()
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{
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if (characterInfo == null) return;
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NetOutgoingMessage msg = Client.CreateMessage();
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msg.Write((byte)PacketTypes.CharacterInfo);
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msg.Write(characterInfo.name);
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msg.Write(characterInfo.gender == Gender.Male);
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Client.SendMessage(msg, NetDeliveryMethod.ReliableUnordered);
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}
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private Character ReadCharacterData(NetIncomingMessage inc)
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{
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string newName = inc.ReadString();
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int ID = inc.ReadInt32();
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bool isFemale = inc.ReadBoolean();
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int inventoryID = inc.ReadInt32();
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Vector2 position = new Vector2(inc.ReadFloat(), inc.ReadFloat());
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CharacterInfo ch = new CharacterInfo("Content/Characters/Human/human.xml", newName, isFemale ? Gender.Female : Gender.Male);
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Character character = new Character(ch, position);
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character.ID = ID;
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character.Inventory.ID = inventoryID;
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return character;
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}
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public void SendChatMessage(string message)
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{
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//AddChatMessage(message);
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ChatMessageType type = (gameStarted && myCharacter != null && myCharacter.IsDead) ? ChatMessageType.Dead : ChatMessageType.Default;
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NetOutgoingMessage msg = Client.CreateMessage();
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msg.Write((byte)PacketTypes.Chatmessage);
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msg.Write((byte)type);
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msg.Write(message);
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Client.SendMessage(msg, NetDeliveryMethod.ReliableUnordered);
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}
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}
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}
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