public TypeInfo FindSubType(StreamReader reader, out int identifier)
{
identifier = 0;
var current = this.typeInfo;
while (current != null)
{
if (current.KnownType == null)
{
return(current);
}
reader.Position = current.KnownType.Offset;
switch (current.KnownType.IdentifierType)
{
case IdentifierType.Byte:
identifier = reader.ReadByte();
break;
case IdentifierType.Int16:
identifier = reader.ReadInt16();
break;
case IdentifierType.Int32:
identifier = reader.ReadInt32();
break;
default:
return(null);
}
var subType = current.GetSubType(identifier);
if (subType == null)
{
return(null);
}
current = subType;
}
return(null);
}
public TypeInfo FindSubType(StreamReader reader)
{
var current = this.typeInfo;
while (current != null)
{
if (current.KnownType == null)
{
return current;
}
reader.Position = current.KnownType.Offset;
int identifier;
switch (current.KnownType.IdentifierType)
{
case IdentifierType.Byte:
identifier = reader.ReadByte();
break;
case IdentifierType.Int16:
identifier = reader.ReadInt16();
break;
case IdentifierType.Int32:
identifier = reader.ReadInt32();
break;
default:
return null;
}
var subType = current.GetSubType(identifier);
if (subType == null)
{
return null;
}
current = subType;
}
return null;
}
private void ProcessIPCMessage(byte[] msgBytes)
{
try
{
using (MemoryStream stream = new MemoryStream(msgBytes))
{
StreamReader reader = new StreamReader(stream)
{
Position = 0
};
if (reader.ReadUInt16() != 0xFFFF)
{
return;
}
ushort len = reader.ReadUInt16();
if (len != msgBytes.Length)
{
return;
}
byte channelId = reader.ReadByte();
if (channelId != _channelId)
{
return;
}
int charId = reader.ReadInt32();
if (charId == Game.ClientInst)
{
return;
}
reader.Position = 2;
TypeInfo subTypeInfo = _packetInspector.FindSubType(reader, out int opCode);
if (subTypeInfo == null)
{
return;
}
var serializer = _serializerResolver.GetSerializer(subTypeInfo.Type);
if (serializer == null)
{
return;
}
reader.Position = 11;
SerializationContext serializationContext = new SerializationContext(_serializerResolver);
IPCMessage message = (IPCMessage)serializer.Deserialize(reader, serializationContext);
if (_callbacks.ContainsKey(opCode))
{
_callbacks[opCode]?.Invoke(charId, message);
}
}
}
catch (Exception e)
{
//If you get this message and it concerns you please create an issue or contact me on Discord!
Chat.WriteLine($"Failed to process IPC message {e.Message}");
}
}