public override async Task Initialize(TcpClient client)
{
await base.Initialize(client);
this.addressToClientBuildMap = this.accountService.GetClientBuildFromAddress(this.Address, this.Port);
if (this.addressToClientBuildMap is null)
{
this.logger.LogWarning($"Could not find client build for {this.Address}:{this.Port - 1}.");
this.Build = ClientBuild.Vanilla;
}
else
{
this.Build = this.addressToClientBuildMap.ClientBuild;
}
this.logger.LogDebug($"{this.ClientInfo} - connected");
ServerPacketBase <Opcode> message = this.Build switch
{
ClientBuild.Vanilla or ClientBuild.TBC => SMSG_AUTH_CHALLENGE.VanillaTBC(),
ClientBuild.WotLK => SMSG_AUTH_CHALLENGE.WotLK(),
_ => throw new NotImplementedException($"SMSG_AUTH_CHALLENGE(build: {this.Build})"),
};
await Send(message.Get());
this.logger.LogTrace($"{this.ClientInfo} - Sent {message.Opcode}");
await HandleConnection();
}
public static async Task OnCharacterEnum(PacketHandlerContext c)
{
var account = c.AccountService.GetAccount(c.Client.Identifier);
var characters = new List <Character>();
foreach (var id in account.Characters)
{
var character = c.World.CharacterService.GetCharacter(id);
if (character is null)
{
c.Client.Log($"Could not find character with id {id} from player {account.Identifier}.", LogLevel.Warning);
continue;
}
characters.Add(character);
}
ServerPacketBase <Opcode> characterEnum = c.Client.Build switch
{
ClientBuild.Vanilla => new SMSG_CHAR_ENUM_VANILLA(characters),
ClientBuild.TBC => new SMSG_CHAR_ENUM_TBC(characters),
_ => throw new NotImplementedException($"OnCharacterEnum(build: {c.Client.Build})"),
};
await c.Client.SendPacket(characterEnum);
}
private byte[] Encode(ServerPacketBase <Opcode> message)
{
var data = message.Get();
var index = 0;
var header = new byte[4];
// TODO: Fix for TBC...
//if (message.Opcode == Opcode.SMSG_UPDATE_OBJECT && data.Length > 98)
//{
// var uncompressed = data.Length;
// message.Opcode = Opcode.SMSG_COMPRESSED_UPDATE_OBJECT;
// data = Compression.Compress(data);
// data = new PacketWriter().WriteUInt32((uint)uncompressed).WriteBytes(data).Build();
//}
var newSize = data.Length + 2;
//if (newSize > 0x7FFF)
//{
// header[index++] = (byte)(0x80 | (0xFF & (newSize >> 16)));
//}
header[index++] = (byte)(0xFF & (newSize >> 8));
header[index++] = (byte)(0xFF & newSize);
header[index++] = (byte)(0xFF & (int)message.Opcode);
header[index] = (byte)(0xFF & ((int)message.Opcode >> 8));
header = this.HeaderCrypt.Encrypt(header);
return(header.Concat(data).ToArray());
}
public async Task SendPacket(ServerPacketBase <Opcode> message)
{
var data = this.Encode(message);
await this.Send(data);
this.logger.LogTrace($"{this.ClientInfo} - Sent {message.Opcode}");
message.Dispose();
}
private void OnPacketReceived(ServerPacketBase packet)
{
// If-else of doom
var type = packet.GetType();
if (type == typeof(LoginPacket))
{
HandlePacket((LoginPacket)packet);
}
else if (type == typeof(MessagePacket))
{
HandlePacket((MessagePacket)packet);
}
else
{
throw new ArgumentException("Unkown packet type: " + nameof(packet));
}
}
private void OnPacketReceived(ServerPacketBase packet)
{
HandlePacket((dynamic)packet);
}
public async Task SendMessageAsync(ServerPacketBase packet)
{
await _socket?.SendMessageAsync(packet);
}