RAGECOOP-V/Server/Server.cs
EntenKoeniq b9a1089fd0 Network traffic reduced. Changes!
Bugs:
- Character rotation?
2021-12-23 22:03:01 +01:00

1039 lines
46 KiB
C#

using System;
using System.Text;
using System.Net;
using System.Linq;
using System.Collections.Generic;
using System.Threading;
using System.Reflection;
using System.IO;
using System.Net.Http;
using Newtonsoft.Json;
using Lidgren.Network;
namespace CoopServer
{
internal class IpInfo
{
public string ip { get; set; }
public string country { get; set; }
}
internal class Server
{
private static readonly string CompatibleVersion = "V1_3";
public static readonly Settings MainSettings = Util.Read<Settings>("CoopSettings.xml");
private readonly Blocklist MainBlocklist = Util.Read<Blocklist>("Blocklist.xml");
private readonly Allowlist MainAllowlist = Util.Read<Allowlist>("Allowlist.xml");
public static NetServer MainNetServer;
public static List<Resource> Resources = new();
public static Dictionary<Command, Action<CommandContext>> Commands;
public static readonly List<Client> Clients = new();
public Server()
{
Logging.Info("================");
Logging.Info($"Server version: {Assembly.GetCallingAssembly().GetName().Version}");
Logging.Info($"Compatible GTACoOp:R versions: {CompatibleVersion.Replace('_', '.')}.x");
Logging.Info("================");
// 6d4ec318f1c43bd62fe13d5a7ab28650 = GTACOOP:R
NetPeerConfiguration config = new("6d4ec318f1c43bd62fe13d5a7ab28650")
{
MaximumConnections = MainSettings.MaxPlayers,
Port = MainSettings.Port,
EnableUPnP = MainSettings.UPnP
};
config.EnableMessageType(NetIncomingMessageType.ConnectionApproval);
config.EnableMessageType(NetIncomingMessageType.ConnectionLatencyUpdated);
MainNetServer = new NetServer(config);
MainNetServer.Start();
Logging.Info(string.Format("Server listening on {0}:{1}", config.LocalAddress.ToString(), config.Port));
if (MainSettings.UPnP)
{
Logging.Info(string.Format("Attempting to forward port {0}", MainSettings.Port));
if (MainNetServer.UPnP.ForwardPort(MainSettings.Port, "GTACOOP:R server"))
{
Logging.Info(string.Format("Server available on {0}:{1}", MainNetServer.UPnP.GetExternalIP().ToString(), config.Port));
}
else
{
Logging.Error("Port forwarding failed! Your router may not support UPnP.");
Logging.Warning("If you and your friends can join this server, please ignore this error or set UPnP in CoopSettings.xml to false!");
}
}
if (MainSettings.AnnounceSelf)
{
Logging.Info("Announcing to master server...");
#region -- MASTERSERVER --
new Thread(async () =>
{
try
{
// TLS only
ServicePointManager.Expect100Continue = true;
ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls13 | SecurityProtocolType.Tls12;
ServicePointManager.ServerCertificateValidationCallback = delegate { return true; };
HttpClient httpClient = new();
IpInfo info;
try
{
string data = await httpClient.GetStringAsync("https://wimip.info/json");
info = JsonConvert.DeserializeObject<IpInfo>(data);
}
catch
{
info = new() { ip = MainNetServer.Configuration.LocalAddress.ToString(), country = "?" };
}
byte errorCounter = 3;
while (!Program.ReadyToStop)
{
string msg =
"{ " +
"\"address\": \"" + info.ip + "\", " +
"\"port\": \"" + MainSettings.Port + "\", " +
"\"name\": \"" + MainSettings.Name + "\", " +
"\"version\": \"" + CompatibleVersion.Replace("_", ".") + "\", " +
"\"players\": \"" + MainNetServer.ConnectionsCount + "\", " +
"\"maxPlayers\": \"" + MainSettings.MaxPlayers + "\", " +
"\"allowlist\": \"" + MainAllowlist.Username.Any() + "\", " +
"\"mods\": \"" + MainSettings.ModsAllowed + "\", " +
"\"npcs\": \"" + MainSettings.NpcsAllowed + "\", " +
"\"country\": \"" + info.country + "\"" +
" }";
HttpResponseMessage response = null;
try
{
response = await httpClient.PostAsync(MainSettings.MasterServer, new StringContent(msg, Encoding.UTF8, "application/json"));
if (response == null)
{
Logging.Error("MasterServer: Something went wrong!");
break;
}
}
catch (Exception ex)
{
Logging.Error(ex.Message);
break;
}
if (response.StatusCode != System.Net.HttpStatusCode.OK)
{
Logging.Error($"MasterServer: [{(int)response.StatusCode}]{response.StatusCode}");
if (errorCounter != 0)
{
Logging.Error($"MasterServer: Remaining attempts {errorCounter--} ...");
// Wait 5 seconds before trying again
Thread.Sleep(5000);
continue;
}
break;
}
// Reset errorCounter
errorCounter = 3;
// Sleep for 12.5s
Thread.Sleep(12500);
}
}
catch (HttpRequestException ex)
{
Logging.Error($"MasterServer: {ex.InnerException.Message}");
}
catch (Exception ex)
{
Logging.Error($"MasterServer: {ex.Message}");
}
}).Start();
#endregion
}
if (MainSettings.Resources.Any())
{
Commands = new();
MainSettings.Resources.ForEach(x =>
{
try
{
string resourcepath = AppDomain.CurrentDomain.BaseDirectory + "resources" + Path.DirectorySeparatorChar + x + ".dll";
Logging.Info($"Loading resource \"{x}.dll\"...");
Assembly asm = Assembly.LoadFrom(resourcepath);
Type[] types = asm.GetExportedTypes();
IEnumerable<Type> validTypes = types.Where(t => !t.IsInterface && !t.IsAbstract).Where(t => typeof(ServerScript).IsAssignableFrom(t));
Type[] enumerable = validTypes as Type[] ?? validTypes.ToArray();
if (!enumerable.Any())
{
Logging.Error("ERROR: No classes that inherit from ServerScript have been found in the assembly. Starting freeroam.");
}
else
{
if (Activator.CreateInstance(enumerable.ToArray()[0]) is ServerScript script)
{
Resources.Add(new(script));
}
else
{
Logging.Warning("Could not create resource: it is null.");
}
}
}
catch (Exception e)
{
Logging.Error(e.InnerException.Message);
}
});
}
Listen();
}
private void Listen()
{
Logging.Info("Listening for clients");
Logging.Info("Please use CTRL + C if you want to stop the server!");
while (!Program.ReadyToStop)
{
NetIncomingMessage message;
while ((message = MainNetServer.ReadMessage()) != null)
{
switch (message.MessageType)
{
case NetIncomingMessageType.ConnectionApproval:
Logging.Info($"New incoming connection from: [{message.SenderConnection.RemoteEndPoint}]");
if (message.ReadByte() != (byte)PacketTypes.HandshakePacket)
{
Logging.Info($"IP [{message.SenderConnection.RemoteEndPoint.Address}] was blocked, reason: Wrong packet!");
message.SenderConnection.Deny("Wrong packet!");
}
else
{
try
{
int len = message.ReadInt32();
byte[] data = message.ReadBytes(len);
HandshakePacket packet = new HandshakePacket();
packet.NetIncomingMessageToPacket(data);
GetHandshake(message.SenderConnection, packet);
}
catch (Exception e)
{
Logging.Info($"IP [{message.SenderConnection.RemoteEndPoint.Address}] was blocked, reason: {e.Message}");
message.SenderConnection.Deny(e.Message);
}
}
break;
case NetIncomingMessageType.StatusChanged:
NetConnectionStatus status = (NetConnectionStatus)message.ReadByte();
if (status == NetConnectionStatus.Disconnected)
{
SendPlayerDisconnectPacket(message.SenderConnection.RemoteUniqueIdentifier);
}
else if (status == NetConnectionStatus.Connected)
{
SendPlayerConnectPacket(message.SenderConnection);
}
break;
case NetIncomingMessageType.Data:
// Get packet type
byte type = message.ReadByte();
switch (type)
{
case (byte)PacketTypes.FullSyncPlayerPacket:
{
try
{
int len = message.ReadInt32();
byte[] data = message.ReadBytes(len);
FullSyncPlayerPacket packet = new FullSyncPlayerPacket();
packet.NetIncomingMessageToPacket(data);
FullSyncPlayer(packet);
}
catch (Exception e)
{
message.SenderConnection.Disconnect(e.Message);
}
}
break;
case (byte)PacketTypes.FullSyncPlayerVehPacket:
{
try
{
int len = message.ReadInt32();
byte[] data = message.ReadBytes(len);
FullSyncPlayerVehPacket packet = new FullSyncPlayerVehPacket();
packet.NetIncomingMessageToPacket(data);
FullSyncPlayerVeh(packet);
}
catch (Exception e)
{
message.SenderConnection.Disconnect(e.Message);
}
}
break;
case (byte)PacketTypes.LightSyncPlayerPacket:
{
try
{
int len = message.ReadInt32();
byte[] data = message.ReadBytes(len);
LightSyncPlayerPacket packet = new LightSyncPlayerPacket();
packet.NetIncomingMessageToPacket(data);
LightSyncPlayer(packet);
}
catch (Exception e)
{
message.SenderConnection.Disconnect(e.Message);
}
}
break;
case (byte)PacketTypes.LightSyncPlayerVehPacket:
{
try
{
int len = message.ReadInt32();
byte[] data = message.ReadBytes(len);
LightSyncPlayerVehPacket packet = new LightSyncPlayerVehPacket();
packet.NetIncomingMessageToPacket(data);
LightSyncPlayerVeh(packet);
}
catch (Exception e)
{
message.SenderConnection.Disconnect(e.Message);
}
}
break;
case (byte)PacketTypes.ChatMessagePacket:
{
try
{
int len = message.ReadInt32();
byte[] data = message.ReadBytes(len);
ChatMessagePacket packet = new ChatMessagePacket();
packet.NetIncomingMessageToPacket(data);
SendChatMessage(packet);
}
catch (Exception e)
{
message.SenderConnection.Disconnect(e.Message);
}
}
break;
case (byte)PacketTypes.FullSyncNpcPacket:
{
if (MainSettings.NpcsAllowed)
{
try
{
int len = message.ReadInt32();
byte[] data = message.ReadBytes(len);
FullSyncNpcPacket packet = new FullSyncNpcPacket();
packet.NetIncomingMessageToPacket(data);
FullSyncNpc(message.SenderConnection, packet);
}
catch (Exception e)
{
message.SenderConnection.Disconnect(e.Message);
}
}
else
{
message.SenderConnection.Disconnect("Npcs are not allowed!");
}
}
break;
case (byte)PacketTypes.FullSyncNpcVehPacket:
{
if (MainSettings.NpcsAllowed)
{
try
{
int len = message.ReadInt32();
byte[] data = message.ReadBytes(len);
FullSyncNpcVehPacket packet = new FullSyncNpcVehPacket();
packet.NetIncomingMessageToPacket(data);
FullSyncNpcVeh(message.SenderConnection, packet);
}
catch (Exception e)
{
message.SenderConnection.Disconnect(e.Message);
}
}
else
{
message.SenderConnection.Disconnect("Npcs are not allowed!");
}
}
break;
case (byte)PacketTypes.NativeResponsePacket:
{
try
{
int len = message.ReadInt32();
byte[] data = message.ReadBytes(len);
NativeResponsePacket packet = new NativeResponsePacket();
packet.NetIncomingMessageToPacket(data);
Client client = Clients.Find(x => x.NetHandle == message.SenderConnection.RemoteUniqueIdentifier);
if (client != null)
{
if (client.Callbacks.ContainsKey(packet.ID))
{
client.Callbacks[packet.ID].Invoke(packet.Args[0]);
client.Callbacks.Remove(packet.ID);
}
}
}
catch (Exception e)
{
message.SenderConnection.Disconnect(e.Message);
}
}
break;
case (byte)PacketTypes.ModPacket:
{
if (MainSettings.ModsAllowed)
{
try
{
int len = message.ReadInt32();
byte[] data = message.ReadBytes(len);
ModPacket packet = new ModPacket();
packet.NetIncomingMessageToPacket(data);
bool resourceResult = false;
if (Resources.Any())
{
Resources.ForEach(x =>
{
if (x.InvokeModPacketReceived(packet.NetHandle, packet.Target, packet.Mod, packet.CustomPacketID, packet.Bytes))
{
resourceResult = true;
}
});
}
if (!resourceResult && packet.Target != -1)
{
NetOutgoingMessage outgoingMessage = MainNetServer.CreateMessage();
packet.PacketToNetOutGoingMessage(outgoingMessage);
if (packet.Target != 0)
{
NetConnection target = MainNetServer.Connections.Find(x => x.RemoteUniqueIdentifier == packet.Target);
if (target == null)
{
Logging.Error($"[ModPacket] target \"{packet.Target}\" not found!");
}
else
{
// Send back to target
MainNetServer.SendMessage(outgoingMessage, target, NetDeliveryMethod.ReliableOrdered, (byte)ConnectionChannel.Mod);
}
}
else
{
// Send back to all players
MainNetServer.SendMessage(outgoingMessage, MainNetServer.Connections, NetDeliveryMethod.ReliableOrdered, (byte)ConnectionChannel.Mod);
}
}
}
catch (Exception e)
{
message.SenderConnection.Disconnect(e.Message);
}
}
else
{
message.SenderConnection.Disconnect("Mods are not allowed!");
}
}
break;
default:
Logging.Error("Unhandled Data / Packet type");
break;
}
break;
case NetIncomingMessageType.ConnectionLatencyUpdated:
{
Client client = Clients.Find(x => x.NetHandle == message.SenderConnection.RemoteUniqueIdentifier);
if (client != null)
{
client.Latency = message.ReadFloat();
}
}
break;
case NetIncomingMessageType.ErrorMessage:
Logging.Error(message.ReadString());
break;
case NetIncomingMessageType.WarningMessage:
Logging.Warning(message.ReadString());
break;
case NetIncomingMessageType.DebugMessage:
case NetIncomingMessageType.VerboseDebugMessage:
Logging.Debug(message.ReadString());
break;
default:
Logging.Error(string.Format("Unhandled type: {0} {1} bytes {2} | {3}", message.MessageType, message.LengthBytes, message.DeliveryMethod, message.SequenceChannel));
break;
}
MainNetServer.Recycle(message);
}
// 16 milliseconds to sleep to reduce CPU usage
Thread.Sleep(1000 / 60);
}
Logging.Warning("Server is shutting down!");
if (Resources.Any())
{
Resources.ForEach(x =>
{
// Waiting for resource...
while (!x.ReadyToStop)
{
// 16 milliseconds to sleep to reduce CPU usage
Thread.Sleep(1000 / 60);
}
});
}
if (MainNetServer.Connections.Count > 0)
{
MainNetServer.Connections.ForEach(x => x.Disconnect("Server is shutting down!"));
// We have to wait some time for all Disconnect() messages to be sent successfully
// Sleep for 1 second
Thread.Sleep(1000);
}
}
#region -- PLAYER --
// Before we approve the connection, we must shake hands
private void GetHandshake(NetConnection local, HandshakePacket packet)
{
Logging.Debug("New handshake from: [Name: " + packet.Username + " | Address: " + local.RemoteEndPoint.Address.ToString() + "]");
if (!packet.ModVersion.StartsWith(CompatibleVersion))
{
local.Deny($"GTACoOp:R version {CompatibleVersion.Replace('_', '.')}.x required!");
return;
}
if (string.IsNullOrWhiteSpace(packet.Username))
{
local.Deny("Username is empty or contains spaces!");
return;
}
if (packet.Username.Any(p => !char.IsLetterOrDigit(p)))
{
local.Deny("Username contains special chars!");
return;
}
if (MainAllowlist.Username.Any() && !MainAllowlist.Username.Contains(packet.Username.ToLower()))
{
local.Deny("This Username is not on the allow list!");
return;
}
if (MainBlocklist.Username.Contains(packet.Username.ToLower()))
{
local.Deny("This Username has been blocked by this server!");
return;
}
if (MainBlocklist.IP.Contains(local.RemoteEndPoint.ToString().Split(":")[0]))
{
local.Deny("This IP was blocked by this server!");
return;
}
if (Clients.Any(x => x.Player.Username.ToLower() == packet.Username.ToLower()))
{
local.Deny("Username is already taken!");
return;
}
long localNetHandle = local.RemoteUniqueIdentifier;
Client tmpClient;
// Add the player to Players
lock (Clients)
{
Clients.Add(
tmpClient = new Client()
{
NetHandle = localNetHandle,
Player = new()
{
Username = packet.Username
}
}
);
}
NetOutgoingMessage outgoingMessage = MainNetServer.CreateMessage();
// Create a new handshake packet
new HandshakePacket()
{
NetHandle = localNetHandle,
Username = string.Empty,
ModVersion = string.Empty,
NPCsAllowed = MainSettings.NpcsAllowed
}.PacketToNetOutGoingMessage(outgoingMessage);
// Accept the connection and send back a new handshake packet with the connection ID
local.Approve(outgoingMessage);
Resources.ForEach(x => x.InvokePlayerHandshake(tmpClient));
}
// The connection has been approved, now we need to send all other players to the new player and the new player to all players
private static void SendPlayerConnectPacket(NetConnection local)
{
Client localClient = Clients.Find(x => x.NetHandle == local.RemoteUniqueIdentifier);
if (localClient == null)
{
local.Disconnect("No data found!");
return;
}
List<NetConnection> clients;
if ((clients = Util.FilterAllLocal(local)).Count > 0)
{
// Send all players to local
clients.ForEach(targetPlayer =>
{
long targetNetHandle = targetPlayer.RemoteUniqueIdentifier;
Client targetClient = Clients.Find(x => x.NetHandle == targetNetHandle);
if (targetClient != null)
{
NetOutgoingMessage outgoingMessage = MainNetServer.CreateMessage();
new PlayerConnectPacket()
{
NetHandle = targetNetHandle,
Username = targetClient.Player.Username
}.PacketToNetOutGoingMessage(outgoingMessage);
MainNetServer.SendMessage(outgoingMessage, local, NetDeliveryMethod.ReliableOrdered, 0);
}
});
// Send local to all players
NetOutgoingMessage outgoingMessage = MainNetServer.CreateMessage();
new PlayerConnectPacket()
{
NetHandle = local.RemoteUniqueIdentifier,
Username = localClient.Player.Username
}.PacketToNetOutGoingMessage(outgoingMessage);
MainNetServer.SendMessage(outgoingMessage, clients, NetDeliveryMethod.ReliableOrdered, 0);
}
if (Resources.Any())
{
Resources.ForEach(x => x.InvokePlayerConnected(localClient));
}
else
{
Logging.Info($"Player {localClient.Player.Username} connected!");
}
if (!string.IsNullOrEmpty(MainSettings.WelcomeMessage))
{
SendChatMessage(new ChatMessagePacket() { Username = "Server", Message = MainSettings.WelcomeMessage }, new List<NetConnection>() { local });
}
}
// Send all players a message that someone has left the server
private static void SendPlayerDisconnectPacket(long clientID)
{
List<NetConnection> clients = MainNetServer.Connections;
if (clients.Count > 0)
{
NetOutgoingMessage outgoingMessage = MainNetServer.CreateMessage();
new PlayerDisconnectPacket()
{
NetHandle = clientID
}.PacketToNetOutGoingMessage(outgoingMessage);
MainNetServer.SendMessage(outgoingMessage, clients, NetDeliveryMethod.ReliableOrdered, 0);
}
Client localClient = Clients.Find(x => x.NetHandle == clientID);
if (localClient == null)
{
return;
}
Clients.Remove(localClient);
if (Resources.Any())
{
Resources.ForEach(x => x.InvokePlayerDisconnected(localClient));
}
else
{
Logging.Info($"Player {localClient.Player.Username} disconnected!");
}
}
private static void FullSyncPlayer(FullSyncPlayerPacket packet)
{
Client client = Util.GetClientByNetHandle(packet.NetHandle);
if (client == null)
{
return;
}
// Save the new data
client.Player.Position = packet.Position;
client.Player.Health = packet.Health;
// Override the latency
packet.Latency = client.Latency;
MainNetServer.Connections.FindAll(x => x.RemoteUniqueIdentifier != packet.NetHandle).ForEach(x =>
{
NetOutgoingMessage outgoingMessage = MainNetServer.CreateMessage();
if (Clients.First(y => y.NetHandle == x.RemoteUniqueIdentifier).Player.IsInRangeOf(packet.Position, 550f))
{
packet.PacketToNetOutGoingMessage(outgoingMessage);
MainNetServer.SendMessage(outgoingMessage, x, NetDeliveryMethod.UnreliableSequenced, (byte)ConnectionChannel.PlayerFull);
}
else
{
new SuperLightSyncPacket()
{
NetHandle = packet.NetHandle,
Position = packet.Position,
Latency = packet.Latency
}.PacketToNetOutGoingMessage(outgoingMessage);
MainNetServer.SendMessage(outgoingMessage, x, NetDeliveryMethod.UnreliableSequenced, (byte)ConnectionChannel.PlayerSuperLight);
}
});
if (Resources.Any())
{
Resources.ForEach(x => x.InvokePlayerUpdate(client));
}
}
private static void FullSyncPlayerVeh(FullSyncPlayerVehPacket packet)
{
Client client = Util.GetClientByNetHandle(packet.NetHandle);
if (client == null)
{
return;
}
// Save the new data
client.Player.Position = packet.Position;
client.Player.Health = packet.Health;
// Override the latency
packet.Latency = client.Latency;
MainNetServer.Connections.FindAll(x => x.RemoteUniqueIdentifier != packet.NetHandle).ForEach(x =>
{
NetOutgoingMessage outgoingMessage = MainNetServer.CreateMessage();
if (Clients.First(y => y.NetHandle == x.RemoteUniqueIdentifier).Player.IsInRangeOf(packet.Position, 550f))
{
packet.PacketToNetOutGoingMessage(outgoingMessage);
MainNetServer.SendMessage(outgoingMessage, x, NetDeliveryMethod.UnreliableSequenced, (byte)ConnectionChannel.PlayerFull);
}
else
{
new SuperLightSyncPacket()
{
NetHandle = packet.NetHandle,
Position = packet.Position,
Latency = packet.Latency
}.PacketToNetOutGoingMessage(outgoingMessage);
MainNetServer.SendMessage(outgoingMessage, x, NetDeliveryMethod.UnreliableSequenced, (byte)ConnectionChannel.PlayerSuperLight);
}
});
if (Resources.Any())
{
Resources.ForEach(x => x.InvokePlayerUpdate(client));
}
}
private static void LightSyncPlayer(LightSyncPlayerPacket packet)
{
Client client = Util.GetClientByNetHandle(packet.NetHandle);
if (client == null)
{
return;
}
// Save the new data
client.Player.Position = packet.Position;
client.Player.Health = packet.Health;
// Override the latency
packet.Latency = client.Latency;
MainNetServer.Connections.FindAll(x => x.RemoteUniqueIdentifier != packet.NetHandle).ForEach(x =>
{
NetOutgoingMessage outgoingMessage = MainNetServer.CreateMessage();
if (Clients.First(y => y.NetHandle == x.RemoteUniqueIdentifier).Player.IsInRangeOf(packet.Position, 550f))
{
packet.PacketToNetOutGoingMessage(outgoingMessage);
MainNetServer.SendMessage(outgoingMessage, x, NetDeliveryMethod.UnreliableSequenced, (byte)ConnectionChannel.PlayerLight);
}
else
{
new SuperLightSyncPacket()
{
NetHandle = packet.NetHandle,
Position = packet.Position,
Latency = packet.Latency
}.PacketToNetOutGoingMessage(outgoingMessage);
MainNetServer.SendMessage(outgoingMessage, x, NetDeliveryMethod.UnreliableSequenced, (byte)ConnectionChannel.PlayerSuperLight);
}
});
if (Resources.Any())
{
Resources.ForEach(x => x.InvokePlayerUpdate(client));
}
}
private static void LightSyncPlayerVeh(LightSyncPlayerVehPacket packet)
{
Client client = Util.GetClientByNetHandle(packet.NetHandle);
if (client == null)
{
return;
}
// Save the new data
client.Player.Position = packet.Position;
client.Player.Health = packet.Health;
// Override the latency
packet.Latency = client.Latency;
MainNetServer.Connections.FindAll(x => x.RemoteUniqueIdentifier != packet.NetHandle).ForEach(x =>
{
NetOutgoingMessage outgoingMessage = MainNetServer.CreateMessage();
if (Clients.First(y => y.NetHandle == x.RemoteUniqueIdentifier).Player.IsInRangeOf(packet.Position, 550f))
{
packet.PacketToNetOutGoingMessage(outgoingMessage);
MainNetServer.SendMessage(outgoingMessage, x, NetDeliveryMethod.UnreliableSequenced, (byte)ConnectionChannel.PlayerLight);
}
else
{
new SuperLightSyncPacket()
{
NetHandle = packet.NetHandle,
Position = packet.Position,
Latency = packet.Latency
}.PacketToNetOutGoingMessage(outgoingMessage);
MainNetServer.SendMessage(outgoingMessage, x, NetDeliveryMethod.UnreliableSequenced, (byte)ConnectionChannel.PlayerSuperLight);
}
});
if (Resources.Any())
{
Resources.ForEach(x => x.InvokePlayerUpdate(client));
}
}
// Send a message to targets or all players
private static void SendChatMessage(ChatMessagePacket packet, List<NetConnection> targets = null)
{
if (Resources.Any())
{
if (packet.Message.StartsWith('/'))
{
string[] cmdArgs = packet.Message.Split(" ");
string cmdName = cmdArgs[0].Remove(0, 1);
if (Commands.Any(x => x.Key.Name == cmdName))
{
string[] argsWithoutCmd = cmdArgs.Skip(1).ToArray();
CommandContext ctx = new()
{
Client = Clients.Find(x => x.Player.Username == packet.Username),
Args = argsWithoutCmd
};
KeyValuePair<Command, Action<CommandContext>> command = Commands.First(x => x.Key.Name == cmdName);
if (command.Key.Usage != null && command.Key.ArgsLength != argsWithoutCmd.Length)
{
NetConnection userConnection = Util.GetConnectionByUsername(packet.Username);
if (userConnection == default)
{
return;
}
SendChatMessage("Server", command.Key.Usage, userConnection);
return;
}
command.Value.Invoke(ctx);
}
else
{
NetConnection userConnection = Util.GetConnectionByUsername(packet.Username);
if (userConnection == default)
{
return;
}
SendChatMessage("Server", "Command not found!", userConnection);
}
return;
}
if (Resources.Any())
{
bool resourceResult = false;
Resources.ForEach(x =>
{
if (x.InvokeChatMessage(packet.Username, packet.Message))
{
resourceResult = true;
}
});
if (resourceResult)
{
return;
}
}
}
packet.Message = packet.Message.Replace("~", "");
SendChatMessage(packet.Username, packet.Message, targets);
Logging.Info(packet.Username + ": " + packet.Message);
}
internal static void SendChatMessage(string username, string message, List<NetConnection> targets = null)
{
NetOutgoingMessage outgoingMessage = MainNetServer.CreateMessage();
new ChatMessagePacket() { Username = username, Message = message }.PacketToNetOutGoingMessage(outgoingMessage);
MainNetServer.SendMessage(outgoingMessage, targets ?? MainNetServer.Connections, NetDeliveryMethod.ReliableOrdered, (byte)ConnectionChannel.Chat);
}
internal static void SendChatMessage(string username, string message, NetConnection target)
{
SendChatMessage(username, message, new List<NetConnection>() { target });
}
#endregion
#region -- NPC --
private static void FullSyncNpc(NetConnection local, FullSyncNpcPacket packet)
{
List<NetConnection> clients;
if ((clients = Util.GetAllInRange(packet.Position, 550f, local)).Count == 0)
{
return;
}
NetOutgoingMessage outgoingMessage = MainNetServer.CreateMessage();
packet.PacketToNetOutGoingMessage(outgoingMessage);
MainNetServer.SendMessage(outgoingMessage, clients, NetDeliveryMethod.UnreliableSequenced, (byte)ConnectionChannel.NPCFull);
}
private static void FullSyncNpcVeh(NetConnection local, FullSyncNpcVehPacket packet)
{
List<NetConnection> clients;
if ((clients = Util.GetAllInRange(packet.Position, 550f, local)).Count == 0)
{
return;
}
NetOutgoingMessage outgoingMessage = MainNetServer.CreateMessage();
packet.PacketToNetOutGoingMessage(outgoingMessage);
MainNetServer.SendMessage(outgoingMessage, clients, NetDeliveryMethod.UnreliableSequenced, (byte)ConnectionChannel.NPCFull);
}
#endregion
public static void RegisterCommand(string name, string usage, short argsLength, Action<CommandContext> callback)
{
Command command = new(name) { Usage = usage, ArgsLength = argsLength };
if (Commands.ContainsKey(command))
{
throw new Exception("Command \"" + command.Name + "\" was already been registered!");
}
Commands.Add(command, callback);
}
public static void RegisterCommand(string name, Action<CommandContext> callback)
{
Command command = new(name);
if (Commands.ContainsKey(command))
{
throw new Exception("Command \"" + command.Name + "\" was already been registered!");
}
Commands.Add(command, callback);
}
public static void RegisterCommands<T>()
{
IEnumerable<MethodInfo> commands = typeof(T).GetMethods().Where(method => method.GetCustomAttributes(typeof(Command), false).Any());
foreach (MethodInfo method in commands)
{
Command attribute = method.GetCustomAttribute<Command>(true);
RegisterCommand(attribute.Name, attribute.Usage, attribute.ArgsLength, (Action<CommandContext>)Delegate.CreateDelegate(typeof(Action<CommandContext>), method));
}
}
}
}