public Packet(BinaryReader reader)
{
opcode = reader.ReadByte();
Logger.Log("Packet: received packet, opcode " + opcode);
int length = Packet.GetInputPacketLength(opcode);
data = reader.ReadBytes(length);
packetCounter++;
// per-packet logging
FileStream fs = File.Open("packet" + packetCounter.ToString().PadLeft(5, '0') + ".dat", FileMode.Create);
BinaryWriter bw = new BinaryWriter(fs);
bw.Write(data);
bw.Close();
}