public PacketHeaderOptional(BinaryReader payload, PacketHeader header)
{
Size = (uint)payload.BaseStream.Position;
BinaryWriter writer = new BinaryWriter(headerBytes);
if (header.HasFlag(PacketHeaderFlags.ServerSwitch)) // 0x100
{
writer.Write(payload.ReadBytes(8));
}
if (header.HasFlag(PacketHeaderFlags.RequestRetransmit)) // 0x1000
{
uint retransmitCount = payload.ReadUInt32();
writer.Write(retransmitCount);
for (uint i = 0u; i < retransmitCount; i++)
{
uint sequence = payload.ReadUInt32();
writer.Write(sequence);
RetransmitData.Add(sequence);
}
}
if (header.HasFlag(PacketHeaderFlags.RejectRetransmit)) // 0x2000
{
uint count = payload.ReadUInt32();
writer.Write(count);
for (int i = 0; i < count; i++)
{
writer.Write(payload.ReadBytes(4));
}
}
if (header.HasFlag(PacketHeaderFlags.AckSequence)) // 0x4000
{
Sequence = payload.ReadUInt32();
writer.Write(Sequence);
}
if (header.HasFlag(PacketHeaderFlags.LoginRequest)) // 0x10000
{
var position = payload.BaseStream.Position;
var length = payload.BaseStream.Length - position;
byte[] loginBytes = new byte[length];
payload.BaseStream.Read(loginBytes, (int)position, (int)length);
writer.Write(loginBytes);
payload.BaseStream.Position = position;
}
if (header.HasFlag(PacketHeaderFlags.WorldLoginRequest)) // 0x20000
{
var position = payload.BaseStream.Position;
writer.Write(payload.ReadBytes(8));
payload.BaseStream.Position = position;
}
if (header.HasFlag(PacketHeaderFlags.ConnectResponse)) // 0x80000
{
var position = payload.BaseStream.Position;
writer.Write(payload.ReadBytes(8));
payload.BaseStream.Position = position;
}
if (header.HasFlag(PacketHeaderFlags.CICMDCommand)) // 0x400000
{
writer.Write(payload.ReadBytes(8));
}
if (header.HasFlag(PacketHeaderFlags.TimeSync)) // 0x1000000
{
TimeSynch = payload.ReadDouble();
writer.Write(TimeSynch);
}
if (header.HasFlag(PacketHeaderFlags.EchoRequest)) // 0x2000000
{
EchoRequestClientTime = payload.ReadSingle();
writer.Write(EchoRequestClientTime);
}
if (header.HasFlag(PacketHeaderFlags.Flow)) // 0x8000000
{
writer.Write(payload.ReadBytes(6));
}
Size = (uint)payload.BaseStream.Position - Size;
}
public PacketHeaderOptional(BinaryReader payload, PacketHeader header)
{
Header = header;
Size = (uint)payload.BaseStream.Position;
BinaryWriter writer = new BinaryWriter(headerBytes);
if (header.HasFlag(PacketHeaderFlags.ServerSwitch)) // 0x100
{
writer.Write(payload.ReadBytes(8));
}
if (header.HasFlag(PacketHeaderFlags.RequestRetransmit)) // 0x1000
{
if (payload.BaseStream.Length < payload.BaseStream.Position + 4)
{
IsValid = false; return;
}
uint retransmitCount = payload.ReadUInt32();
writer.Write(retransmitCount);
RetransmitData = new List <uint>();
for (uint i = 0u; i < retransmitCount; i++)
{
if (payload.BaseStream.Length < payload.BaseStream.Position + 4)
{
IsValid = false; return;
}
uint sequence = payload.ReadUInt32();
writer.Write(sequence);
RetransmitData.Add(sequence);
}
}
if (header.HasFlag(PacketHeaderFlags.RejectRetransmit)) // 0x2000
{
if (payload.BaseStream.Length < payload.BaseStream.Position + 4)
{
IsValid = false; return;
}
uint count = payload.ReadUInt32();
writer.Write(count);
for (int i = 0; i < count; i++)
{
if (payload.BaseStream.Length < payload.BaseStream.Position + 4)
{
IsValid = false; return;
}
writer.Write(payload.ReadBytes(4));
}
}
if (header.HasFlag(PacketHeaderFlags.AckSequence)) // 0x4000
{
if (payload.BaseStream.Length < payload.BaseStream.Position + 4)
{
IsValid = false; return;
}
AckSequence = payload.ReadUInt32();
writer.Write(AckSequence);
}
if (header.HasFlag(PacketHeaderFlags.LoginRequest)) // 0x10000
{
long position = payload.BaseStream.Position;
long length = payload.BaseStream.Length - position;
if (length < 1)
{
IsValid = false; return;
}
byte[] loginBytes = new byte[length];
payload.BaseStream.Read(loginBytes, (int)position, (int)length);
writer.Write(loginBytes);
payload.BaseStream.Position = position;
}
if (header.HasFlag(PacketHeaderFlags.WorldLoginRequest)) // 0x20000
{
if (payload.BaseStream.Length < payload.BaseStream.Position + 8)
{
IsValid = false; return;
}
long position = payload.BaseStream.Position;
writer.Write(payload.ReadBytes(8));
payload.BaseStream.Position = position;
}
if (header.HasFlag(PacketHeaderFlags.ConnectResponse)) // 0x80000
{
long position = payload.BaseStream.Position;
if (payload.BaseStream.Length < payload.BaseStream.Position + 8)
{
IsValid = false; return;
}
writer.Write(payload.ReadBytes(8));
payload.BaseStream.Position = position;
}
if (header.HasFlag(PacketHeaderFlags.CICMDCommand)) // 0x400000
{
if (payload.BaseStream.Length < payload.BaseStream.Position + 8)
{
IsValid = false; return;
}
writer.Write(payload.ReadBytes(8));
}
if (header.HasFlag(PacketHeaderFlags.TimeSync)) // 0x1000000
{
if (payload.BaseStream.Length < payload.BaseStream.Position + 8)
{
IsValid = false; return;
}
TimeSynch = payload.ReadDouble();
writer.Write(TimeSynch);
}
if (header.HasFlag(PacketHeaderFlags.EchoRequest)) // 0x2000000
{
if (payload.BaseStream.Length < payload.BaseStream.Position + 4)
{
IsValid = false; return;
}
EchoRequestClientTime = payload.ReadSingle();
writer.Write(EchoRequestClientTime);
}
if (header.HasFlag(PacketHeaderFlags.Flow)) // 0x8000000
{
if (payload.BaseStream.Length < payload.BaseStream.Position + 6)
{
IsValid = false; return;
}
FlowBytes = payload.ReadUInt32();
FlowInterval = payload.ReadUInt16();
writer.Write(FlowBytes);
writer.Write(FlowInterval);
}
Size = (uint)payload.BaseStream.Position - Size;
}
