public static void SendPing(WorldClient client)
{
using (var packet = new Packet(SH2Type.Ping))
{
client.SendPacket(packet);
}
}
public void AddClient(WorldClient client)
{
lock (clients)
{
clients.Add(client);
}
}
public static void CharacterSelectHandler(WorldClient client, Packet packet)
{
byte slot;
if (!packet.TryReadByte(out slot) || slot > 10 || !client.Characters.ContainsKey(slot))
{
Log.WriteLine(LogLevel.Warn, "{0} selected an invalid character.", client.Username);
return;
}
WorldCharacter character;
if (client.Characters.TryGetValue(slot, out character))
{
//generate transfer
ZoneConnection zone = Program.GetZoneByMap(character.Character.Map);
if (zone != null)
{
client.Characters.Clear(); //we clear the other ones from memory
client.Character = character; //only keep the one selected
zone.SendTransferClientFromZone(client.AccountID, client.Username, client.Character.Character.Name, client.RandomID, client.Admin, client.Host);
ClientManager.Instance.AddClientByName(client); //so we can look them up fast using charname later.
SendZoneServerIP(client, zone);
}
else
{
Log.WriteLine(LogLevel.Warn, "Character tried to join unloaded map: {0}", character.Character.Map);
SendConnectError(client, ConnectErrors.MapUnderMaintenance);
}
}
}
public static void SendConnectError(WorldClient client, ConnectErrors error)
{
using (var packet = new Packet(SH4Type.ConnectError))
{
packet.WriteUShort((ushort)error);
client.SendPacket(packet);
}
}
public static void SendError(WorldClient client, ServerError error)
{
using (Packet pack = new Packet(SH3Type.Error))
{
pack.WriteShort((byte)error);
client.SendPacket(pack);
}
}
public void AddClientByName(WorldClient client)
{
if (client.Character != null && !clientsByName.ContainsKey(client.CharacterName))
{
clientsByName.TryAdd(client.CharacterName, client);
}
else Log.WriteLine(LogLevel.Warn, "Trying to register client by name without having Character object.");
}
public static void SendUnknown(WorldClient client)
{
using (var packet = new Packet(SH31Type.LoadUnkown))
{
packet.WriteInt(0xbd1); //lolwut?! charid or sumtin'
client.SendPacket(packet);
}
}
public static void SendZoneServerIP(WorldClient client, ZoneConnection info)
{
using (var packet = new Packet(SH4Type.ServerIP))
{
packet.WriteString(client.Host == "127.0.0.1" ? "127.0.0.1" : info.IP, 16);
packet.WriteUShort(info.Port);
client.SendPacket(packet);
}
}
public static void SendGuildNameResult(WorldClient client, int pID, string pName)
{
using (var packet = new Packet(SH29Type.GuildNameResult))
{
packet.WriteInt(pID);
packet.WriteString(pName, 16);
client.SendPacket(packet);
}
}
public static void UnknownRequest(WorldClient client, Packet packet)
{
if (client.Character == null)
{
Log.WriteLine(LogLevel.Warn, "Getting unknown block request from unauthorized host: {0}.", client.Host);
return;
}
SendUnknown(client);
}
public static void SendServerTime(WorldClient client)
{
using (var packet = new Packet(SH2Type.ServerTime))
{
packet.WriteByte(Convert.ToByte(DateTime.Now.Hour));
packet.WriteUShort(Convert.ToUInt16(DateTime.Now.Minute));
client.SendPacket(packet);
}
}
public static void SaveClientSettingsRequest(WorldClient client, Packet packet)
{
byte[] data;
if (!packet.TryReadBytes(392, out data))
{
Log.WriteLine(LogLevel.Warn, "Unable to read 392 bytes from stream for save");
return;
}
// Save it.
client.Character.SetClientSettingsData(data);
}
public static void SaveQuickBarStateRequest(WorldClient client, Packet packet)
{
byte[] data;
if (!packet.TryReadBytes(24, out data))
{
Log.WriteLine(LogLevel.Warn, "Unable to read 24 bytes from stream for save");
return;
}
// Save it.
client.Character.SetQuickBarStateData(data);
}
public static void CreateCharHandler(WorldClient client, Packet packet)
{
string name;
byte slot, jobGender, hair, color, style;
if (!packet.TryReadByte(out slot) || !packet.TryReadString(out name, 20) ||
!packet.TryReadByte(out jobGender) || !packet.TryReadByte(out hair) ||
!packet.TryReadByte(out color) || !packet.TryReadByte(out style))
{
Log.WriteLine(LogLevel.Warn, "Error reading create char for {0}", client.Username);
return;
}
if (DatabaseChecks.IsCharNameUsed(name))
{
SendCharCreationError(client, CreateCharError.NameTaken);
return;
}
else if (DataProvider.Instance.IsBadName(name))
{
SendCharCreationError(client, CreateCharError.NameInUse);
return;
}
byte isMaleByte = (byte)((jobGender >> 7) & 0x01);
byte classIDByte = (byte)((jobGender >> 2) & 0x1F);
Job job = (Job)classIDByte;
switch (job)
{
case Job.Archer:
case Job.Cleric:
case Job.Fighter:
case Job.Mage:
case Job.Trickster:
//create character here
try
{
WorldCharacter wchar = client.CreateCharacter(name, slot, hair, color, style, job, Convert.ToBoolean(isMaleByte));
SendCharOKResponse(client, wchar);
}
catch (Exception ex)
{
Log.WriteLine(LogLevel.Exception, "Error creating character for {0}: {1}", client.Username, ex.InnerException.ToString());
SendCharCreationError(client, CreateCharError.FailedToCreate);
return;
}
break;
default:
SendCharCreationError(client, CreateCharError.WrongClass);
Log.WriteLine(LogLevel.Warn, "Invalid job ID at char creation from {0}", client.Username);
break;
}
}
public static void SaveGameSettingsRequest(WorldClient client, Packet packet)
{
// Load up 64 B of data (well, try to)
byte[] data;
if (!packet.TryReadBytes(64, out data))
{
Log.WriteLine(LogLevel.Warn, "Unable to read 64 bytes from stream for save");
return;
}
// Save it.
client.Character.SetGameSettingsData(data);
}
public static void SaveQuickBarRequest(WorldClient client, Packet packet)
{
// Load up 1 KB of data (well, try to)
byte[] data;
if (!packet.TryReadBytes(1024, out data))
{
Log.WriteLine(LogLevel.Warn, "Unable to read 1024 bytes from stream for save");
return;
}
// Save it.
client.Character.SetQuickBarData(data);
}
public static void GuildNameRequest(WorldClient client, Packet packet)
{
int id;
if (!packet.TryReadInt(out id)) {
Log.WriteLine(LogLevel.Warn, "Failed reading Guild Name Request packet {0}", client.GetCharacterName());
return;
}
var guild = WorldGuild.GetGuild(id);
if (guild == null)
{
SendGuildNameResult(client, id, "");
}
else
{
SendGuildNameResult(client, id, guild.Name);
}
}
public static void DeleteCharacterHandler(WorldClient client, Packet packet)
{
byte slot;
if (!packet.TryReadByte(out slot) || slot > 10 || !client.Characters.ContainsKey(slot))
{
Log.WriteLine(LogLevel.Warn, "{0} tried to delete character out of range.", client.Username);
return;
}
WorldCharacter todelete = client.Characters[slot];
if (todelete.Delete())
{
client.Characters.Remove(slot);
SendCharDeleteOKResponse(client, slot);
}
else
{
Handler3.SendError(client, ServerError.DATABASE_ERROR);
}
}
public static void TransferKey(WorldClient client, Packet packet)
{
string key;
if (!packet.ReadSkip(256) || !packet.TryReadString(out key, 64))
{
Log.WriteLine(LogLevel.Warn, "Invalid connection request.");
client.Disconnect();
return;
}
ClientTransfer transfer = ClientManager.Instance.GetTransfer(key);
if (transfer != null)
{
// Check if client does not connect from localhost or LAN,
// and if it's connecting from the correct IP.
// When this check is not done, people can remote hack someone.
if (!client.Host.StartsWith("127.0") && !client.Host.StartsWith("192.") && transfer.HostIP != client.Host)
{
Log.WriteLine(LogLevel.Warn, "Remotehack from {0}", client.Host);
SendError(client, ServerError.INVALID_CREDENTIALS);
}
else
{
if (ClientManager.Instance.RemoveTransfer(transfer.Hash) && (!Program.Maintenance || transfer.Admin > 0)) //admins can still login
{
client.Authenticated = true;
client.AccountID = transfer.AccountID;
client.Admin = transfer.Admin;
client.Username = transfer.Username;
client.lastPing = DateTime.Now; //this is so pongthread can start checking him
client.Pong = true;
client.RandomID = MathUtils.RandomizeUShort(ushort.MaxValue);
Log.WriteLine(LogLevel.Debug, "{0} authenticated.", client.Username);
SendCharacterList(client);
}
}
}
else
{
Log.WriteLine(LogLevel.Warn, "Invalid client authentication from {0}", client.Host);
SendError(client, ServerError.INVALID_CREDENTIALS);
}
}
public static void BackToCharSelect(WorldClient pClient, Packet pPacket)
{
bool go; // dunno
if (!pPacket.TryReadBool(out go))
{
Log.WriteLine(LogLevel.Warn, "Couldn't read back to char select packet");
return;
}
if (!pClient.Authenticated)
{
Log.WriteLine(LogLevel.Warn, "Player tried using the back to char select packet while not able to");
return;
}
if (go)
{
SendCharacterList(pClient);
}
}
private static void SendCharDeleteOKResponse(WorldClient client, byte slot)
{
using (var packet = new Packet(SH5Type.CharDeleteOK))
{
packet.WriteByte(slot);
client.SendPacket(packet);
}
}
private static void SendCharCreationError(WorldClient client, CreateCharError error)
{
using (Packet packet = new Packet(SH5Type.CharCreationError))
{
packet.WriteUShort((ushort)error);
client.SendPacket(packet);
}
}
private static void SendCharOKResponse(WorldClient client, WorldCharacter character)
{
using (var packet = new Packet(SH5Type.CharCreationOK))
{
packet.WriteByte(1);
PacketHelper.WriteBasicCharInfo(character, packet);
client.SendPacket(packet);
}
}
private static void SendCharacterList(WorldClient client)
{
if (!client.LoadCharacters())
{
SendError(client, ServerError.DATABASE_ERROR);
return;
}
using (var packet = new Packet(SH3Type.CharacterList))
{
packet.WriteUShort(client.RandomID);
packet.WriteByte((byte)client.Characters.Count);
foreach (WorldCharacter ch in client.Characters.Values)
{
PacketHelper.WriteBasicCharInfo(ch, packet);
}
client.SendPacket(packet);
}
}
public static void ShortcutsRequest(WorldClient client, Packet packet)
{
SendShortcuts(client);
}
public static void ServerTimeReq(WorldClient client, Packet packet)
{
SendServerTime(client);
}
public static void GameSettingsRequest(WorldClient client, Packet packet)
{
SendGameSettings(client);
}
public static void Pong(WorldClient client, Packet packet)
{
client.Pong = true;
}
public override void OnClientConnect(Socket socket)
{
WorldClient client = new WorldClient(socket);
ClientManager.Instance.AddClient(client);
Log.WriteLine(LogLevel.Debug, "Client connected from {0}", client.Host);
}
public static void QuickBarStateRequest(WorldClient client, Packet packet)
{
SendQuickbarState(client);
}