if (IncomingPacket)			// Server -> client
		{
			// Server -> Client = 4 bytes header (2 bytes size - 2 bytes opcode)
			if (LastPacketFragmented)
			{
				ByteBuffer tmp;
				if (RecvSecondPktFirst)
				{					// Sometimes it gets reversed sniffed, so fix it.
					tmp.append(*data);
					tmp.append(PreviousPkt);
					RecvSecondPktFirst = false;
				}
				else				// Also, sometimes pkt is split in 2 parts (hdr, data).
				{
					tmp.append(PreviousPkt);
					tmp.append(*data);
				}
				PreviousPkt.clear();
				data->clear();
				data->append(tmp);
				len = data->size();
				LastPacketFragmented = false;
			}
			WorldServerPktHdr* hdr = (WorldServerPktHdr*)data->contents();
			wowdata->HeaderSize = 4;
			wowdata->EncryptedDataSize = hdr->size;
			wowdata->DataSize = len - wowdata->HeaderSize;
			wowdata->WorldOpcode = hdr->opcode;
			switch (len)
			{
			case 4:								// sizeof(WorldServerPktHdr);
				LastPacketFragmented = true;
				wowdata->DataSize = 4;
				wowdata->WorldOpcode = LastRecvOpcode = hdr->opcode;
				PreviousPkt.append(*data);
				if (!RecvAuthChallenge)			// Full packet = 8 bytes.
				{								// SMSG_AUTH_CHALLENGE is not encrypted.
					if ((hdr->size == 0xBABE) && (hdr->opcode == 0xDEAD))
						RecvSecondPktFirst;		// Second part first received.

					RecvAuthChallenge = true;
					wowdata->DataSize = 8;
					wowdata->WorldOpcode = LastRecvOpcode = SMSG_AUTH_CHALLENGE;
				}
				else if (!RecvAuthResponse)		// Full packet = 10 bytes.
				{
					RecvAuthResponse = true;
					wowdata->DataSize = 8;
					wowdata->WorldOpcode = LastRecvOpcode = SMSG_AUTH_RESPONSE;
				}
				else if (!RecvCharEnum)			// Full = 168 for now (1 char on st0rmgaming).
				{
					RecvCharEnum = true;
					wowdata->DataSize = 4;
					wowdata->WorldOpcode = LastRecvOpcode = SMSG_CHAR_ENUM;
				}
				return;
			case 6:								// SMSG_AUTH_RESPONSE = 4 + 6 (if splitted)
				if (!RecvAuthResponse || (LastRecvOpcode == SMSG_AUTH_RESPONSE))
				{
					RecvAuthResponse = true;
					wowdata->WorldOpcode = SMSG_AUTH_RESPONSE;
					RecvSecondPktFirst = true;
					break;
				}
				break;
			case 8:								// Full packet (SMSG_AUTH_CHALLENGE)
				if (!RecvAuthChallenge || (LastRecvOpcode == SMSG_AUTH_CHALLENGE))
				{								// SMSG_AUTH_CHALLENGE = not encrypted.
					RecvAuthChallenge = true;	// So no use bruteforcing it.
					wowdata->WorldOpcode = SMSG_AUTH_CHALLENGE;
					return;						// Just skip it.
				}
				break;
			case 10:							// Full packet (SMSG_AUTH_RESPONSE)
				if (!RecvAuthResponse || (LastRecvOpcode == SMSG_AUTH_RESPONSE))
				{								// Full packet = 10 bytes
					RecvAuthResponse = true;
					wowdata->WorldOpcode = SMSG_AUTH_RESPONSE;
					break;
				}
				break;
			// char part on st0rmgaming...
			case 164:
				if (!RecvCharEnum || (LastRecvOpcode == SMSG_CHAR_ENUM))
				{
					RecvCharEnum = true;
					wowdata->WorldOpcode = SMSG_CHAR_ENUM;
					RecvSecondPktFirst = true;
					break;
				}
				break;
			case 168:
				if (!RecvCharEnum || (LastRecvOpcode == SMSG_CHAR_ENUM))
				{						// Full packet = 168 for now (1 char on st0rmgaming).
					RecvCharEnum = true;
					wowdata->WorldOpcode = SMSG_CHAR_ENUM;
					break;
				}
				break;
			}
			unsigned short op = GetRealServerOpcode(data, wowdata->DecryptedDataSize, LastRecvOpcode);
			wowdata->WorldOpcode = LastRecvOpcode = (op ? op : wowdata->WorldOpcode);
		}
		else									// Client -> server
		{
			WorldClientPktHdr* hdr = (WorldClientPktHdr*)data->contents();
			wowdata->HeaderSize = 6;			// sizeof(WorldClientPktHdr);
			wowdata->DataSize = len - wowdata->HeaderSize;
			wowdata->EncryptedDataSize = hdr->size;
			wowdata->WorldOpcode = hdr->opcode;
			LastSendOpcode = 0;
			if (!SendAuthSession)				// CMSG_AUTH_SESSION
			{									// Its not encrypted the packet.
				SendAuthSession = true;			// So if we send it
				wowdata->WorldOpcode = LastSendOpcode = CMSG_AUTH_SESSION;
				return;							// dont try to decrypt it (return).
			}
			if (!SendCharEnum)
			{
				SendCharEnum = true;			// CMSG_CHAR_ENUM
				wowdata->WorldOpcode = LastSendOpcode = CMSG_CHAR_ENUM;
			}
			unsigned int op = GetRealClientOpcode(data, wowdata->DecryptedDataSize, LastSendOpcode);
			wowdata->WorldOpcode = LastSendOpcode = (op ? op : wowdata->WorldOpcode);
		}