public static async void CharacterDelete(ClientPacketFragment fragment, Session session)
{
string account = fragment.Payload.ReadString16L();
uint characterSlot = fragment.Payload.ReadUInt32();
if (account != session.Account)
{
session.SendCharacterError(CharacterError.Delete);
return;
}
var cachedCharacter = session.CachedCharacters.SingleOrDefault(c => c.SlotId == characterSlot);
if (cachedCharacter == null)
{
session.SendCharacterError(CharacterError.Delete);
return;
}
// TODO: check if character is already pending removal
var characterDelete = new ServerPacket(0x0B, PacketHeaderFlags.EncryptedChecksum);
var characterDeleteFragment = new ServerPacketFragment(9, FragmentOpcode.CharacterDelete);
characterDelete.Fragments.Add(characterDeleteFragment);
NetworkManager.SendPacket(ConnectionType.Login, characterDelete, session);
DatabaseManager.Character.DeleteOrRestore(WorldManager.GetUnixTime() + 3600ul, cachedCharacter.Guid.Low);
var result = await DatabaseManager.Character.GetByAccount(session.Id);
AuthenticationHandler.CharacterListSelectCallback(result, session);
}
/// <summary>
/// Processes a fragment, combining split fragments as needed, then handling them
/// </summary>
/// <param name="fragment">ClientPacketFragment to process</param>
private void ProcessFragment(ClientPacketFragment fragment)
{
log.DebugFormat("[{0}] Processing fragment {1}", session.LoggingIdentifier, fragment.Header.Sequence);
ClientMessage message = null;
// Check if this fragment is split
if (fragment.Header.Count != 1)
{
// Packet is split
log.DebugFormat("[{0}] Fragment {1} is split, this index {2} of {3} fragments", session.LoggingIdentifier, fragment.Header.Sequence, fragment.Header.Index, fragment.Header.Count);
MessageBuffer buffer = null;
if (partialFragments.TryGetValue(fragment.Header.Sequence, out buffer))
{
// Existing buffer, add this to it and check if we are finally complete.
buffer.AddFragment(fragment);
log.DebugFormat("[{0}] Added fragment {1} to existing buffer. Buffer at {2} of {3}", session.LoggingIdentifier, fragment.Header.Sequence, buffer.Count, buffer.TotalFragments);
if (buffer.Complete)
{
// The buffer is complete, so we can go ahead and handle
log.DebugFormat("[{0}] Buffer {1} is complete", session.LoggingIdentifier, buffer.Sequence);
message = buffer.GetMessage();
MessageBuffer removed = null;
partialFragments.TryRemove(fragment.Header.Sequence, out removed);
}
}
else
{
// No existing buffer, so add a new one for this fragment sequence.
log.DebugFormat("[{0}] Creating new buffer {1} for this split fragment", session.LoggingIdentifier, fragment.Header.Sequence);
var newBuffer = new MessageBuffer(fragment.Header.Sequence, fragment.Header.Count);
newBuffer.AddFragment(fragment);
log.DebugFormat("[{0}] Added fragment {1} to the new buffer. Buffer at {2} of {3}", session.LoggingIdentifier, fragment.Header.Sequence, newBuffer.Count, newBuffer.TotalFragments);
partialFragments.TryAdd(fragment.Header.Sequence, newBuffer);
}
}
else
{
// Packet is not split, proceed with handling it.
log.DebugFormat("[{0}] Fragment {1} is not split", session.LoggingIdentifier, fragment.Header.Sequence);
message = new ClientMessage(fragment.Data);
}
// If message is not null, we have a complete message to handle
if (message != null)
{
// First check if this message is the next sequence, if it is not, add it to our outOfOrderFragments
if (fragment.Header.Sequence == lastReceivedFragmentSequence + 1)
{
log.DebugFormat("[{0}] Handling fragment {1}", session.LoggingIdentifier, fragment.Header.Sequence);
HandleFragment(message);
}
else
{
log.DebugFormat("[{0}] Fragment {1} is early, lastReceivedFragmentSequence = {2}", session.LoggingIdentifier, fragment.Header.Sequence, lastReceivedFragmentSequence);
outOfOrderFragments.TryAdd(fragment.Header.Sequence, message);
}
}
}
public static void CharacterEnterWorldRequest(ClientPacketFragment fragment, Session session)
{
var characterEnterWorldServerReady = new ServerPacket(0x0B, PacketHeaderFlags.EncryptedChecksum);
characterEnterWorldServerReady.Fragments.Add(new ServerPacketFragment(9, FragmentOpcode.CharacterEnterWorldServerReady));
NetworkManager.SendPacket(ConnectionType.Login, characterEnterWorldServerReady, session);
}
public void AddFragment(ClientPacketFragment fragment)
{
lock (fragments)
{
if (!Complete && !fragments.Any(x => x.Header.Index == fragment.Header.Index))
{
fragments.Add(fragment);
}
}
}
public static void HandleGameAction(GameActionOpcode opcode, ClientPacketFragment fragment, Session session)
{
if (!actionHandlers.ContainsKey(opcode))
{
Console.WriteLine($"Received unhandled action opcode: 0x{((uint)opcode).ToString("X4")}");
}
else
{
Type actionType;
if (actionHandlers.TryGetValue(opcode, out actionType))
{
var gameAction = (GameActionPacket)Activator.CreateInstance(actionType, session, fragment);
gameAction.Read();
gameAction.Handle();
}
}
}
public static void CharacterEnterWorld(ClientPacketFragment fragment, Session session)
{
ObjectGuid guid = fragment.Payload.ReadGuid();
string account = fragment.Payload.ReadString16L();
if (account != session.Account)
{
session.SendCharacterError(CharacterError.EnterGameCharacterNotOwned);
return;
}
var cachedCharacter = session.CachedCharacters.SingleOrDefault(c => c.Guid.Full == guid.Full);
if (cachedCharacter == null)
{
session.SendCharacterError(CharacterError.EnterGameCharacterNotOwned);
return;
}
session.CharacterRequested = cachedCharacter;
// this isn't really that necessary since ACE doesn't split login/world to multiple daemons, handle it anyway
byte[] connectionKey = new byte[sizeof(ulong)];
RandomNumberGenerator.Create().GetNonZeroBytes(connectionKey);
session.WorldConnectionKey = BitConverter.ToUInt64(connectionKey, 0);
var referralPacket = new ServerPacket(0x0B, PacketHeaderFlags.EncryptedChecksum | PacketHeaderFlags.Referral);
referralPacket.Payload.Write(session.WorldConnectionKey);
referralPacket.Payload.Write((ushort)2);
referralPacket.Payload.WriteUInt16BE((ushort)ConfigManager.Config.Server.Network.WorldPort);
referralPacket.Payload.Write(ConfigManager.Host);
referralPacket.Payload.Write(0ul);
referralPacket.Payload.Write((ushort)0x18);
referralPacket.Payload.Write((ushort)0);
referralPacket.Payload.Write(0u);
NetworkManager.SendPacket(ConnectionType.Login, referralPacket, session);
session.State = SessionState.WorldLoginRequest;
}
public static async void CharacterCreate(ClientPacketFragment fragment, Session session)
{
// known issues:
// 1. getting the "next" character id is not thread-safe
string account = fragment.Payload.ReadString16L();
if (account != session.Account)
{
return;
}
Character character = Character.CreateFromClientFragment(fragment, session.Id);
// TODO: profanity filter
// sendCharacterCreateResponse(session, 4);
bool isAvailable = DatabaseManager.Character.IsNameAvailable(character.Name);
if (!isAvailable)
{
SendCharacterCreateResponse(session, CharacterGenerationVerificationResponse.NameInUse);
return;
}
uint lowGuid = DatabaseManager.Character.GetMaxId();
character.Id = lowGuid;
character.AccountId = session.Id;
if (!await DatabaseManager.Character.CreateCharacter(character))
{
SendCharacterCreateResponse(session, CharacterGenerationVerificationResponse.DatabaseDown);
return;
}
var guid = new ObjectGuid(lowGuid, GuidType.Player);
session.CachedCharacters.Add(new CachedCharacter(guid, (byte)session.CachedCharacters.Count, character.Name, 0));
SendCharacterCreateResponse(session, CharacterGenerationVerificationResponse.Ok, guid, character.Name);
}
public static void CharacterRestore(ClientPacketFragment fragment, Session session)
{
ObjectGuid guid = fragment.Payload.ReadGuid();
var cachedCharacter = session.CachedCharacters.SingleOrDefault(c => c.Guid.Full == guid.Full);
if (cachedCharacter == null)
{
return;
}
DatabaseManager.Character.DeleteOrRestore(0, guid.Low);
var characterRestore = new ServerPacket(0x0B, PacketHeaderFlags.EncryptedChecksum);
var characterRestoreFragment = new ServerPacketFragment(9, FragmentOpcode.CharacterRestoreResponse);
characterRestoreFragment.Payload.Write(1u /* Verification OK flag */);
characterRestoreFragment.Payload.WriteGuid(guid);
characterRestoreFragment.Payload.WriteString16L(cachedCharacter.Name);
characterRestoreFragment.Payload.Write(0u /* secondsGreyedOut */);
characterRestore.Fragments.Add(characterRestoreFragment);
NetworkManager.SendPacket(ConnectionType.Login, characterRestore, session);
}
public static async void CharacterCreate(ClientPacketFragment fragment, Session session)
{
// known issues:
// 1. getting the "next" character id is not thread-safe
string account = fragment.Payload.ReadString16L();
if (account != session.Account)
{
return;
}
Character character = Character.CreateFromClientFragment(fragment, session.Id);
// TODO: profanity filter
// sendCharacterCreateResponse(session, 4);
bool isAvailable = DatabaseManager.Character.IsNameAvailable(character.Name);
if (!isAvailable)
{
SendCharacterCreateResponse(session, 3); /* Name already in use. */
return;
}
uint guid = DatabaseManager.Character.GetMaxId() + 1;
character.Id = guid;
character.AccountId = session.Id;
await DatabaseManager.Character.CreateCharacter(character);
session.CachedCharacters.Add(new CachedCharacter(guid, (byte)session.CachedCharacters.Count, character.Name, 0));
SendCharacterCreateResponse(session, 1, guid, character.Name);
}
public static void CharacterCreate(ClientPacketFragment fragment, Session session)
{
string account = fragment.Payload.ReadString16L();
if (account != session.Account)
{
return;
}
fragment.Payload.Skip(4); /* Unknown constant (1) */
uint race = fragment.Payload.ReadUInt32();
uint gender = fragment.Payload.ReadUInt32();
uint eyes = fragment.Payload.ReadUInt32();
uint nose = fragment.Payload.ReadUInt32();
uint mouth = fragment.Payload.ReadUInt32();
uint hairColor = fragment.Payload.ReadUInt32();
uint eyeColor = fragment.Payload.ReadUInt32();
uint hairStyle = fragment.Payload.ReadUInt32();
uint headgearStyle = fragment.Payload.ReadUInt32();
uint headgearColor = fragment.Payload.ReadUInt32();
uint shirtStyle = fragment.Payload.ReadUInt32();
uint shirtColor = fragment.Payload.ReadUInt32();
uint pantsStyle = fragment.Payload.ReadUInt32();
uint pantsColor = fragment.Payload.ReadUInt32();
uint footwearStyle = fragment.Payload.ReadUInt32();
uint footwearColor = fragment.Payload.ReadUInt32();
double skinHue = fragment.Payload.ReadDouble();
double hairHue = fragment.Payload.ReadDouble();
double headgearHue = fragment.Payload.ReadDouble();
double shirtHue = fragment.Payload.ReadDouble();
double pantsHue = fragment.Payload.ReadDouble();
double footwearHue = fragment.Payload.ReadDouble();
uint templateOption = fragment.Payload.ReadUInt32();
uint strength = fragment.Payload.ReadUInt32();
uint endurance = fragment.Payload.ReadUInt32();
uint coordination = fragment.Payload.ReadUInt32();
uint quickness = fragment.Payload.ReadUInt32();
uint focus = fragment.Payload.ReadUInt32();
uint self = fragment.Payload.ReadUInt32();
uint slot = fragment.Payload.ReadUInt32();
uint classId = fragment.Payload.ReadUInt32();
List <NewCharacterSkill> skills = new List <NewCharacterSkill>();
uint numOfSkills = fragment.Payload.ReadUInt32();
for (uint i = 0; i < numOfSkills; i++)
{
if (new[] { 0u, 1u, 2u, 3u, 4u, 5u, 8u, 9u, 10u, 11u, 12u, 13u, 17u, 25u, 26u, 42u, 53u }.Contains(i)) /* Inactive / retired skills */
{
fragment.Payload.Skip(4);
continue;
}
var newSkill = new NewCharacterSkill();
newSkill.Skill = (CharacterSkill)i;
newSkill.Status = (SkillStatus)fragment.Payload.ReadUInt32();
skills.Add(newSkill);
}
string characterName = fragment.Payload.ReadString16L();
uint startArea = fragment.Payload.ReadUInt32();
bool isAdmin = Convert.ToBoolean(fragment.Payload.ReadUInt32());
bool isEnvoy = Convert.ToBoolean(fragment.Payload.ReadUInt32());
uint totalSkillPoints = fragment.Payload.ReadUInt32();
// TODO : profanity filter
// sendCharacterCreateError(session, 4);
var result = DatabaseManager.Character.SelectPreparedStatement(CharacterPreparedStatement.CharacterUniqueNameSelect, characterName);
Debug.Assert(result != null);
uint charsWithName = result.Read <uint>(0, "cnt");
if (charsWithName > 0)
{
sendCharacterCreateResponse(session, 3); /* Name already in use. */
return;
}
result = DatabaseManager.Character.SelectPreparedStatement(CharacterPreparedStatement.CharacterMaxIndex);
Debug.Assert(result != null);
uint guid = result.Read <uint>(0, "MAX(`guid`)") + 1;
DatabaseManager.Character.ExecutePreparedStatement(CharacterPreparedStatement.CharacterInsert, guid, session.Id, characterName, templateOption, startArea, isAdmin, isEnvoy);
// TODO : Persist appearance, stats and skills.
session.CachedCharacters.Add(new CachedCharacter(guid, (byte)session.CachedCharacters.Count, characterName));
sendCharacterCreateResponse(session, 1, guid, characterName);
}