/* If we were transfering a map to this client, stop the savegame creation

	 * process and queue the next client to receive the map. */

	if (this->status == STATUS_MAP) {

		/* Ensure the saving of the game is stopped too. */

		this->savegame->Destroy();

		this->savegame = nullptr;

		this->CheckNextClientToSendMap(this);

	}

	NetworkAdminClientError(this->client_id, NETWORK_ERROR_CONNECTION_LOST);

	/* We just lost one client :( */

	if (this->status >= STATUS_AUTHORIZED) _network_game_info.clients_on--;

	extern byte _network_clients_connected;

	_network_clients_connected--;

	this->SendPackets(true);

	delete this->GetInfo();

	delete this;

	InvalidateWindowData(WC_CLIENT_LIST, 0);

	p->Send_uint8(error);

	if (!reason.empty()) p->Send_string(reason);

	this->SendPacket(p);

	StringID strid = GetNetworkErrorMsg(error);

	/* Only send when the current client was in game */

	if (this->status > STATUS_AUTHORIZED) {

		char client_name[NETWORK_CLIENT_NAME_LENGTH];

		this->GetClientName(client_name, lastof(client_name));

		if (error == NETWORK_ERROR_KICKED && !reason.empty()) {

			NetworkTextMessage(NETWORK_ACTION_KICKED, CC_DEFAULT, false, client_name, reason, strid);

		} else {

			NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, client_name, "", strid);

		}

		for (NetworkClientSocket *new_cs : NetworkClientSocket::Iterate()) {

			if (new_cs->status >= STATUS_AUTHORIZED && new_cs != this) {

				/* Some errors we filter to a more general error. Clients don't have to know the real

				 *  reason a joining failed. */

				if (error == NETWORK_ERROR_NOT_AUTHORIZED || error == NETWORK_ERROR_NOT_EXPECTED || error == NETWORK_ERROR_WRONG_REVISION) {

					error = NETWORK_ERROR_ILLEGAL_PACKET;

				}

				new_cs->SendErrorQuit(this->client_id, error);

			}

		}

		NetworkAdminClientError(this->client_id, error);

	} else {

	}

	/* The client made a mistake, so drop the connection now! */

	return this->CloseConnection(NETWORK_RECV_STATUS_SERVER_ERROR);

}

/** Send the check for the NewGRFs. */

NetworkRecvStatus ServerNetworkGameSocketHandler::SendNewGRFCheck()

{

	Packet *p = new Packet(PACKET_SERVER_CHECK_NEWGRFS);

	const GRFConfig *c;

	uint grf_count = 0;

	if (!NetworkMakeClientNameUnique(client_name)) { // Change name if duplicate

		/* We could not create a name for this client */

		return this->SendError(NETWORK_ERROR_NAME_IN_USE);

	}

	assert(NetworkClientInfo::CanAllocateItem());

	NetworkClientInfo *ci = new NetworkClientInfo(this->client_id);

	this->SetInfo(ci);

	ci->join_date = _date;

	ci->client_name = client_name;

	ci->client_playas = playas;

	/* Make sure companies to which people try to join are not autocleaned */

	if (Company::IsValidID(playas)) _network_company_states[playas].months_empty = 0;

	this->status = STATUS_NEWGRFS_CHECK;

	if (_grfconfig == nullptr) {

		/* Behave as if we received PACKET_CLIENT_NEWGRFS_CHECKED */

		return this->Receive_CLIENT_NEWGRFS_CHECKED(nullptr);

	}

	return this->SendNewGRFCheck();

	char client_name[NETWORK_CLIENT_NAME_LENGTH];

	NetworkErrorCode errorno = (NetworkErrorCode)p->Recv_uint8();

	/* The client was never joined.. thank the client for the packet, but ignore it */

	if (this->status < STATUS_DONE_MAP || this->HasClientQuit()) {

		return this->CloseConnection(NETWORK_RECV_STATUS_CLIENT_QUIT);

	}

	this->GetClientName(client_name, lastof(client_name));

	StringID strid = GetNetworkErrorMsg(errorno);

	NetworkTextMessage(NETWORK_ACTION_LEAVE, CC_DEFAULT, false, client_name, "", strid);

	for (NetworkClientSocket *new_cs : NetworkClientSocket::Iterate()) {

		if (new_cs->status >= STATUS_AUTHORIZED) {

			new_cs->SendErrorQuit(this->client_id, errorno);

		}

	}

	NetworkAdminClientError(this->client_id, errorno);

	return this->CloseConnection(NETWORK_RECV_STATUS_CLIENT_QUIT);

					NetworkTextMessage(action, GetDrawStringCompanyColour(ci_own->client_playas), true, name, msg, data);

				} else {

					for (NetworkClientSocket *cs : NetworkClientSocket::Iterate()) {

						if (cs->client_id == from_id) {

							cs->SendChat(action, ci_to->client_id, true, msg, data);

						}

					}

				}

			}

			break;

		}

		default:

			FALLTHROUGH;

		case DESTTYPE_BROADCAST:

			for (NetworkClientSocket *cs : NetworkClientSocket::Iterate()) {

				cs->SendChat(action, from_id, false, msg, data);

			}

			NetworkAdminChat(action, desttype, from_id, msg, data, from_admin);

			ci = NetworkClientInfo::GetByClientID(from_id);

			if (ci != nullptr) {

				NetworkTextMessage(action, GetDrawStringCompanyColour(ci->client_playas), false, ci->client_name, msg, data);

}

NetworkRecvStatus ServerNetworkGameSocketHandler::Receive_CLIENT_RCON(Packet *p)

{

	if (this->status != STATUS_ACTIVE) return this->SendError(NETWORK_ERROR_NOT_EXPECTED);

	if (_settings_client.network.rcon_password.empty()) return NETWORK_RECV_STATUS_OKAY;

	std::string password = p->Recv_string(NETWORK_PASSWORD_LENGTH);

	std::string command = p->Recv_string(NETWORK_RCONCOMMAND_LENGTH);

	if (_settings_client.network.rcon_password.compare(password) != 0) {

		return NETWORK_RECV_STATUS_OKAY;

	}

	_redirect_console_to_client = this->client_id;

	IConsoleCmdExec(command.c_str());

	_redirect_console_to_client = INVALID_CLIENT_ID;

	return NETWORK_RECV_STATUS_OKAY;

}

NetworkRecvStatus ServerNetworkGameSocketHandler::Receive_CLIENT_MOVE(Packet *p)

{

	if (this->status != STATUS_ACTIVE) return this->SendError(NETWORK_ERROR_NOT_EXPECTED);

	CompanyID company_id = (Owner)p->Recv_uint8();

	/* Check if the company is valid, we don't allow moving to AI companies */

	if (company_id != COMPANY_SPECTATOR && !Company::IsValidHumanID(company_id)) return NETWORK_RECV_STATUS_OKAY;

	/* Check if we require a password for this company */

	if (company_id != COMPANY_SPECTATOR && !_network_company_states[company_id].password.empty()) {

		/* we need a password from the client - should be in this packet */

		std::string password = p->Recv_string(NETWORK_PASSWORD_LENGTH);

		/* Incorrect password sent, return! */

		if (_network_company_states[company_id].password.compare(password) != 0) {

			return NETWORK_RECV_STATUS_OKAY;

		}

	}

	/* if we get here we can move the client */

	NetworkServerDoMove(this->client_id, company_id);

	return NETWORK_RECV_STATUS_OKAY;

}

/**

 * Package some generic company information into a packet.

 * @param p       The packet that will contain the data.

}

/**

 * Send updated client info of a particular client.

 * @param client_id The client to send it for.

 */

void NetworkUpdateClientInfo(ClientID client_id)

{

	NetworkClientInfo *ci = NetworkClientInfo::GetByClientID(client_id);

	if (ci == nullptr) return;

	for (NetworkClientSocket *cs : NetworkClientSocket::Iterate()) {

		if (cs->status >= ServerNetworkGameSocketHandler::STATUS_AUTHORIZED) {

			cs->SendClientInfo(ci);

		}

	}

	NetworkAdminClientUpdate(ci);

}

/** Check if we want to restart the map */

static void NetworkCheckRestartMap()

{

	if (_settings_client.network.restart_game_year != 0 && _cur_year >= _settings_client.network.restart_game_year) {

		_settings_newgame.game_creation.generation_seed = GENERATE_NEW_SEED;

		switch(_file_to_saveload.abstract_ftype) {

			case FT_SAVEGAME:

			case FT_SCENARIO:

				_switch_mode = SM_LOAD_GAME;

				break;

			case FT_HEIGHTMAP:

				_switch_mode = SM_START_HEIGHTMAP;

				break;