Method Receive_SERVER_CHECK_NEWGRFS

src/network/network_client.cpp:630–661

}

NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_CHECK_NEWGRFS(Packet &p)
{
	if (this->status != STATUS_ENCRYPTED) return NETWORK_RECV_STATUS_MALFORMED_PACKET;

	uint grf_count = p.Recv_uint8();
	NetworkRecvStatus ret = NETWORK_RECV_STATUS_OKAY;

	Debug(net, 9, "Client::Receive_SERVER_CHECK_NEWGRFS(): grf_count={}", grf_count);

	/* Check all GRFs */
	for (; grf_count > 0; grf_count--) {
		GRFIdentifier c;
		DeserializeGRFIdentifier(p, c);

		/* Check whether we know this GRF */
		const GRFConfig *f = FindGRFConfig(c.grfid, FGCM_EXACT, &c.md5sum);
		if (f == nullptr) {
			/* We do not know this GRF, bail out of initialization */
			Debug(grf, 0, "NewGRF {:08X} not found; checksum {}", std::byteswap(c.grfid), FormatArrayAsHex(c.md5sum));
			ret = NETWORK_RECV_STATUS_NEWGRF_MISMATCH;
		}
	}

	if (ret == NETWORK_RECV_STATUS_OKAY) {
		/* Start receiving the map */
		return SendNewGRFsOk();
	}

	/* NewGRF mismatch, bail out */
	ShowErrorMessage(GetEncodedString(STR_NETWORK_ERROR_NEWGRF_MISMATCH), {}, WL_CRITICAL);
	return ret;
}

class ClientGamePasswordRequestHandler : public NetworkAuthenticationPasswordRequestHandler {
	virtual void SendResponse() override { MyClient::SendAuthResponse(); }