Various server.cpp cleanups
authorLoic Blot <loic.blot@unix-experience.fr>
Sun, 13 Aug 2017 23:06:12 +0000 (01:06 +0200)
committerLoic Blot <loic.blot@unix-experience.fr>
Sun, 13 Aug 2017 23:06:12 +0000 (01:06 +0200)
* Modernize many for loops
* Use constness on many loops
* use empty function on many strings tests
* various code style fixes

src/server.cpp

index 1337cfcb6dd34e95a9a99e4fffa6d37c89786e9d..61886703acb5f97e85a0dee461731d5049b27571 100644 (file)
@@ -453,7 +453,7 @@ void Server::AsyncRunStep(bool initial_step)
                SendBlocks(dtime);
        }
 
-       if((dtime < 0.001) && (initial_step == false))
+       if((dtime < 0.001) && !initial_step)
                return;
 
        g_profiler->add("Server::AsyncRunStep with dtime (num)", 1);
@@ -553,23 +553,7 @@ void Server::AsyncRunStep(bool initial_step)
 
                std::map<v3s16, MapBlock*> modified_blocks;
                m_env->getMap().transformLiquids(modified_blocks, m_env);
-#if 0
-               /*
-                       Update lighting
-               */
-               core::map<v3s16, MapBlock*> lighting_modified_blocks;
-               ServerMap &map = ((ServerMap&)m_env->getMap());
-               map.updateLighting(modified_blocks, lighting_modified_blocks);
-
-               // Add blocks modified by lighting to modified_blocks
-               for(core::map<v3s16, MapBlock*>::Iterator
-                               i = lighting_modified_blocks.getIterator();
-                               i.atEnd() == false; i++)
-               {
-                       MapBlock *block = i.getNode()->getValue();
-                       modified_blocks.insert(block->getPos(), block);
-               }
-#endif
+
                /*
                        Set the modified blocks unsent for all the clients
                */
@@ -612,7 +596,7 @@ void Server::AsyncRunStep(bool initial_step)
                MutexAutoLock envlock(m_env_mutex);
 
                m_clients.lock();
-               RemoteClientMap clients = m_clients.getClientList();
+               const RemoteClientMap &clients = m_clients.getClientList();
                ScopeProfiler sp(g_profiler, "Server: checking added and deleted objs");
 
                // Radius inside which objects are active
@@ -629,9 +613,8 @@ void Server::AsyncRunStep(bool initial_step)
                if (player_radius == 0 && is_transfer_limited)
                        player_radius = radius;
 
-               for (RemoteClientMap::iterator i = clients.begin();
-                       i != clients.end(); ++i) {
-                       RemoteClient *client = i->second;
+               for (const auto &client_it : clients) {
+                       RemoteClient *client = client_it.second;
 
                        // If definitions and textures have not been sent, don't
                        // send objects either
@@ -639,16 +622,13 @@ void Server::AsyncRunStep(bool initial_step)
                                continue;
 
                        RemotePlayer *player = m_env->getPlayer(client->peer_id);
-                       if (player == NULL) {
+                       if (!player) {
                                // This can happen if the client timeouts somehow
-                               /*warningstream<<FUNCTION_NAME<<": Client "
-                                               <<client->peer_id
-                                               <<" has no associated player"<<std::endl;*/
                                continue;
                        }
 
                        PlayerSAO *playersao = player->getPlayerSAO();
-                       if (playersao == NULL)
+                       if (!playersao)
                                continue;
 
                        s16 my_radius = MYMIN(radius, playersao->getWantedRange() * MAP_BLOCKSIZE);
@@ -701,9 +681,8 @@ void Server::AsyncRunStep(bool initial_step)
 
                                // Get object type
                                u8 type = ACTIVEOBJECT_TYPE_INVALID;
-                               if(obj == NULL)
-                                       warningstream<<FUNCTION_NAME
-                                                       <<": NULL object"<<std::endl;
+                               if (!obj)
+                                       warningstream << FUNCTION_NAME << ": NULL object" << std::endl;
                                else
                                        type = obj->getSendType();
 
@@ -1021,7 +1000,7 @@ void Server::Receive()
                                <<e.what()<<std::endl;
        }
        catch(ClientStateError &e) {
-               errorstream << "ProcessData: peer=" << peer_id  << e.what() << std::endl;
+               errorstream << "ProcessData: peer=" << peer_id << e.what() << std::endl;
                DenyAccess_Legacy(peer_id, L"Your client sent something server didn't expect."
                                L"Try reconnecting or updating your client");
        }
@@ -1032,7 +1011,7 @@ void Server::Receive()
 
 PlayerSAO* Server::StageTwoClientInit(u16 peer_id)
 {
-       std::string playername = "";
+       std::string playername;
        PlayerSAO *playersao = NULL;
        m_clients.lock();
        try {
@@ -1104,9 +1083,8 @@ PlayerSAO* Server::StageTwoClientInit(u16 peer_id)
 
                actionstream << player->getName() << " joins game. List of players: ";
 
-               for (std::vector<std::string>::const_iterator i = names.begin();
-                               i != names.end(); ++i) {
-                       actionstream << *i << " ";
+               for (const std::string &name : names) {
+                       actionstream << name << " ";
                }
 
                actionstream << player->getName() <<std::endl;
@@ -1231,7 +1209,7 @@ Inventory* Server::getInventory(const InventoryLocation &loc)
                break;
        case InventoryLocation::PLAYER:
        {
-               RemotePlayer *player = dynamic_cast<RemotePlayer *>(m_env->getPlayer(loc.name.c_str()));
+               RemotePlayer *player = m_env->getPlayer(loc.name.c_str());
                if(!player)
                        return NULL;
                PlayerSAO *playersao = player->getPlayerSAO();
@@ -1288,7 +1266,7 @@ void Server::setInventoryModified(const InventoryLocation &loc, bool playerSend)
                v3s16 blockpos = getNodeBlockPos(loc.p);
 
                MapBlock *block = m_env->getMap().getBlockNoCreateNoEx(blockpos);
-               if(block)
+               if (block)
                        block->raiseModified(MOD_STATE_WRITE_NEEDED);
 
                setBlockNotSent(blockpos);
@@ -1310,9 +1288,8 @@ void Server::SetBlocksNotSent(std::map<v3s16, MapBlock *>& block)
        std::vector<u16> clients = m_clients.getClientIDs();
        m_clients.lock();
        // Set the modified blocks unsent for all the clients
-       for (std::vector<u16>::iterator i = clients.begin();
-                i != clients.end(); ++i) {
-                       if (RemoteClient *client = m_clients.lockedGetClientNoEx(*i))
+       for (const u16 client_id : clients) {
+                       if (RemoteClient *client = m_clients.lockedGetClientNoEx(client_id))
                                client->SetBlocksNotSent(block);
        }
        m_clients.unlock();
@@ -1348,8 +1325,7 @@ void Server::deletingPeer(con::Peer *peer, bool timeout)
 bool Server::getClientConInfo(u16 peer_id, con::rtt_stat_type type, float* retval)
 {
        *retval = m_con.getPeerStat(peer_id,type);
-       if (*retval == -1) return false;
-       return true;
+       return *retval != -1;
 }
 
 bool Server::getClientInfo(
@@ -1389,7 +1365,7 @@ bool Server::getClientInfo(
 
 void Server::handlePeerChanges()
 {
-       while(m_peer_change_queue.size() > 0)
+       while(!m_peer_change_queue.empty())
        {
                con::PeerChange c = m_peer_change_queue.front();
                m_peer_change_queue.pop();
@@ -1630,7 +1606,7 @@ void Server::SendShowFormspecMessage(u16 peer_id, const std::string &formspec,
        DSTACK(FUNCTION_NAME);
 
        NetworkPacket pkt(TOCLIENT_SHOW_FORMSPEC, 0 , peer_id);
-       if (formspec == "" ){
+       if (formspec.empty()){
                //the client should close the formspec
                pkt.putLongString("");
        } else {
@@ -1656,8 +1632,8 @@ void Server::SendSpawnParticle(u16 peer_id, u16 protocol_version,
        if (peer_id == PEER_ID_INEXISTENT) {
                std::vector<u16> clients = m_clients.getClientIDs();
 
-               for (std::vector<u16>::iterator i = clients.begin(); i != clients.end(); ++i) {
-                       RemotePlayer *player = m_env->getPlayer(*i);
+               for (const u16 client_id : clients) {
+                       RemotePlayer *player = m_env->getPlayer(client_id);
                        if (!player)
                                continue;
 
@@ -1669,7 +1645,7 @@ void Server::SendSpawnParticle(u16 peer_id, u16 protocol_version,
                        if (sao->getBasePosition().getDistanceFrom(pos * BS) > radius)
                                continue;
 
-                       SendSpawnParticle(*i, player->protocol_version,
+                       SendSpawnParticle(client_id, player->protocol_version,
                                        pos, velocity, acceleration,
                                        expirationtime, size, collisiondetection,
                                        collision_removal, vertical, texture, animation, glow);
@@ -1705,11 +1681,11 @@ void Server::SendAddParticleSpawner(u16 peer_id, u16 protocol_version,
        if (peer_id == PEER_ID_INEXISTENT) {
                // This sucks and should be replaced:
                std::vector<u16> clients = m_clients.getClientIDs();
-               for (std::vector<u16>::iterator i = clients.begin(); i != clients.end(); ++i) {
-                       RemotePlayer *player = m_env->getPlayer(*i);
+               for (const u16 client_id : clients) {
+                       RemotePlayer *player = m_env->getPlayer(client_id);
                        if (!player)
                                continue;
-                       SendAddParticleSpawner(*i, player->protocol_version,
+                       SendAddParticleSpawner(client_id, player->protocol_version,
                                        amount, spawntime, minpos, maxpos,
                                        minvel, maxvel, minacc, maxacc, minexptime, maxexptime,
                                        minsize, maxsize, collisiondetection, collision_removal,
@@ -1832,8 +1808,8 @@ void Server::SendSetSky(u16 peer_id, const video::SColor &bgcolor,
        NetworkPacket pkt(TOCLIENT_SET_SKY, 0, peer_id);
        pkt << bgcolor << type << (u16) params.size();
 
-       for(size_t i=0; i<params.size(); i++)
-               pkt << params[i];
+       for (const std::string &param : params)
+               pkt << param;
 
        pkt << clouds;
 
@@ -1960,9 +1936,8 @@ void Server::SendPlayerPrivileges(u16 peer_id)
        NetworkPacket pkt(TOCLIENT_PRIVILEGES, 0, peer_id);
        pkt << (u16) privs.size();
 
-       for(std::set<std::string>::const_iterator i = privs.begin();
-                       i != privs.end(); ++i) {
-               pkt << (*i);
+       for (const std::string &priv : privs) {
+               pkt << priv;
        }
 
        Send(&pkt);
@@ -2020,8 +1995,7 @@ s32 Server::playSound(const SimpleSoundSpec &spec,
 
        // Filter destination clients
        std::vector<u16> dst_clients;
-       if(params.to_player != "")
-       {
+       if(!params.to_player.empty()) {
                RemotePlayer *player = m_env->getPlayer(params.to_player.c_str());
                if(!player){
                        infostream<<"Server::playSound: Player \""<<params.to_player
@@ -2034,12 +2008,11 @@ s32 Server::playSound(const SimpleSoundSpec &spec,
                        return -1;
                }
                dst_clients.push_back(player->peer_id);
-       }
-       else {
+       } else {
                std::vector<u16> clients = m_clients.getClientIDs();
 
-               for (std::vector<u16>::iterator i = clients.begin(); i != clients.end(); ++i) {
-                       RemotePlayer *player = m_env->getPlayer(*i);
+               for (const u16 client_id : clients) {
+                       RemotePlayer *player = m_env->getPlayer(client_id);
                        if (!player)
                                continue;
 
@@ -2052,7 +2025,7 @@ s32 Server::playSound(const SimpleSoundSpec &spec,
                                                params.max_hear_distance)
                                        continue;
                        }
-                       dst_clients.push_back(*i);
+                       dst_clients.push_back(client_id);
                }
        }
 
@@ -2076,11 +2049,10 @@ s32 Server::playSound(const SimpleSoundSpec &spec,
        // Backwards compability
        bool play_sound = gain > 0;
 
-       for (std::vector<u16>::iterator i = dst_clients.begin();
-                       i != dst_clients.end(); ++i) {
-               if (play_sound || m_clients.getProtocolVersion(*i) >= 32) {
-                       psound.clients.insert(*i);
-                       m_clients.send(*i, 0, &pkt, true);
+       for (const u16 dst_client : dst_clients) {
+               if (play_sound || m_clients.getProtocolVersion(dst_client) >= 32) {
+                       psound.clients.insert(dst_client);
+                       m_clients.send(dst_client, 0, &pkt, true);
                }
        }
        return id;
@@ -2143,10 +2115,10 @@ void Server::fadeSound(s32 handle, float step, float gain)
        }
 
        // Remove sound reference
-       if (!play_sound || psound.clients.size() == 0)
+       if (!play_sound || psound.clients.empty())
                m_playing_sounds.erase(i);
 
-       if (play_sound && compat_psound.clients.size() > 0) {
+       if (play_sound && !compat_psound.clients.empty()) {
                // Play new sound volume on older clients
                playSound(compat_psound.spec, compat_psound.params);
        }
@@ -2334,9 +2306,7 @@ void Server::fillMediaCache()
 
        // Collect all media file paths
        std::vector<std::string> paths;
-       for(std::vector<ModSpec>::iterator i = m_mods.begin();
-                       i != m_mods.end(); ++i) {
-               const ModSpec &mod = *i;
+       for (const ModSpec &mod : m_mods) {
                paths.push_back(mod.path + DIR_DELIM + "textures");
                paths.push_back(mod.path + DIR_DELIM + "sounds");
                paths.push_back(mod.path + DIR_DELIM + "media");
@@ -2367,7 +2337,7 @@ void Server::fillMediaCache()
                                ".x", ".b3d", ".md2", ".obj",
                                NULL
                        };
-                       if (removeStringEnd(filename, supported_ext) == ""){
+                       if (removeStringEnd(filename, supported_ext).empty()){
                                infostream << "Server: ignoring unsupported file extension: \""
                                                << filename << "\"" << std::endl;
                                continue;
@@ -2435,9 +2405,8 @@ void Server::sendMediaAnnouncement(u16 peer_id)
        NetworkPacket pkt(TOCLIENT_ANNOUNCE_MEDIA, 0, peer_id);
        pkt << (u16) m_media.size();
 
-       for (std::unordered_map<std::string, MediaInfo>::iterator i = m_media.begin();
-                       i != m_media.end(); ++i) {
-               pkt << i->first << i->second.sha1_digest;
+       for (const auto &i : m_media) {
+               pkt << i.first << i.second.sha1_digest;
        }
 
        pkt << g_settings->get("remote_media");
@@ -2472,14 +2441,11 @@ void Server::sendRequestedMedia(u16 peer_id,
        u32 bytes_per_bunch = 5000;
 
        std::vector< std::vector<SendableMedia> > file_bunches;
-       file_bunches.push_back(std::vector<SendableMedia>());
+       file_bunches.emplace_back();
 
        u32 file_size_bunch_total = 0;
 
-       for(std::vector<std::string>::const_iterator i = tosend.begin();
-                       i != tosend.end(); ++i) {
-               const std::string &name = *i;
-
+       for (const std::string &name : tosend) {
                if (m_media.find(name) == m_media.end()) {
                        errorstream<<"Server::sendRequestedMedia(): Client asked for "
                                        <<"unknown file \""<<(name)<<"\""<<std::endl;
@@ -2491,7 +2457,7 @@ void Server::sendRequestedMedia(u16 peer_id,
 
                // Read data
                std::ifstream fis(tpath.c_str(), std::ios_base::binary);
-               if(fis.good() == false){
+               if(!fis.good()){
                        errorstream<<"Server::sendRequestedMedia(): Could not open \""
                                        <<tpath<<"\" for reading"<<std::endl;
                        continue;
@@ -2511,7 +2477,7 @@ void Server::sendRequestedMedia(u16 peer_id,
                                break;
                        }
                }
-               if(bad) {
+               if (bad) {
                        errorstream<<"Server::sendRequestedMedia(): Failed to read \""
                                        <<name<<"\""<<std::endl;
                        continue;
@@ -2519,12 +2485,11 @@ void Server::sendRequestedMedia(u16 peer_id,
                /*infostream<<"Server::sendRequestedMedia(): Loaded \""
                                <<tname<<"\""<<std::endl;*/
                // Put in list
-               file_bunches[file_bunches.size()-1].push_back(
-                               SendableMedia(name, tpath, tmp_os.str()));
+               file_bunches[file_bunches.size()-1].emplace_back(name, tpath, tmp_os.str());
 
                // Start next bunch if got enough data
                if(file_size_bunch_total >= bytes_per_bunch) {
-                       file_bunches.push_back(std::vector<SendableMedia>());
+                       file_bunches.emplace_back();
                        file_size_bunch_total = 0;
                }
 
@@ -2533,7 +2498,7 @@ void Server::sendRequestedMedia(u16 peer_id,
        /* Create and send packets */
 
        u16 num_bunches = file_bunches.size();
-       for(u16 i = 0; i < num_bunches; i++) {
+       for (u16 i = 0; i < num_bunches; i++) {
                /*
                        u16 command
                        u16 total number of texture bunches
@@ -2550,11 +2515,9 @@ void Server::sendRequestedMedia(u16 peer_id,
                NetworkPacket pkt(TOCLIENT_MEDIA, 4 + 0, peer_id);
                pkt << num_bunches << i << (u32) file_bunches[i].size();
 
-               for(std::vector<SendableMedia>::iterator
-                               j = file_bunches[i].begin();
-                               j != file_bunches[i].end(); ++j) {
-                       pkt << j->name;
-                       pkt.putLongString(j->data);
+               for (const SendableMedia &j : file_bunches[i]) {
+                       pkt << j.name;
+                       pkt.putLongString(j.data);
                }
 
                verbosestream << "Server::sendRequestedMedia(): bunch "
@@ -2585,13 +2548,13 @@ void Server::sendDetachedInventory(const std::string &name, u16 peer_id)
 
        const std::string &check = m_detached_inventories_player[name];
        if (peer_id == PEER_ID_INEXISTENT) {
-               if (check == "")
+               if (check.empty())
                        return m_clients.sendToAll(&pkt);
                RemotePlayer *p = m_env->getPlayer(check.c_str());
                if (p)
                        m_clients.send(p->peer_id, 0, &pkt, true);
        } else {
-               if (check == "" || getPlayerName(peer_id) == check)
+               if (check.empty() || getPlayerName(peer_id) == check)
                        Send(&pkt);
        }
 }
@@ -2600,10 +2563,8 @@ void Server::sendDetachedInventories(u16 peer_id)
 {
        DSTACK(FUNCTION_NAME);
 
-       for(std::map<std::string, Inventory*>::iterator
-                       i = m_detached_inventories.begin();
-                       i != m_detached_inventories.end(); ++i) {
-               const std::string &name = i->first;
+       for (const auto &detached_inventory : m_detached_inventories) {
+               const std::string &name = detached_inventory.first;
                //Inventory *inv = i->second;
                sendDetachedInventory(name, peer_id);
        }
@@ -2780,10 +2741,9 @@ void Server::DeleteClient(u16 peer_id, ClientDeletionReason reason)
                                std::ostringstream os(std::ios_base::binary);
                                std::vector<u16> clients = m_clients.getClientIDs();
 
-                               for(std::vector<u16>::iterator i = clients.begin();
-                                       i != clients.end(); ++i) {
+                               for (const u16 client_id : clients) {
                                        // Get player
-                                       RemotePlayer *player = m_env->getPlayer(*i);
+                                       RemotePlayer *player = m_env->getPlayer(client_id);
                                        if (!player)
                                                continue;
 
@@ -2910,30 +2870,29 @@ std::wstring Server::handleChat(const std::string &name, const std::wstring &wna
        /*
                Tell calling method to send the message to sender
        */
-       if (!broadcast_line) {
+       if (!broadcast_line)
                return line;
-       } else {
-               /*
-                       Send the message to others
-               */
-               actionstream << "CHAT: " << wide_to_narrow(unescape_enriched(line)) << std::endl;
 
-               std::vector<u16> clients = m_clients.getClientIDs();
+       /*
+               Send the message to others
+       */
+       actionstream << "CHAT: " << wide_to_narrow(unescape_enriched(line)) << std::endl;
 
-               /*
-                       Send the message back to the inital sender
-                       if they are using protocol version >= 29
-               */
+       std::vector<u16> clients = m_clients.getClientIDs();
 
-               u16 peer_id_to_avoid_sending = (player ? player->peer_id : PEER_ID_INEXISTENT);
-               if (player && player->protocol_version >= 29)
-                       peer_id_to_avoid_sending = PEER_ID_INEXISTENT;
+       /*
+               Send the message back to the inital sender
+               if they are using protocol version >= 29
+       */
 
-               for (u16 i = 0; i < clients.size(); i++) {
-                       u16 cid = clients[i];
-                       if (cid != peer_id_to_avoid_sending)
-                               SendChatMessage(cid, ChatMessage(line));
-               }
+       u16 peer_id_to_avoid_sending = (player ? player->peer_id : PEER_ID_INEXISTENT);
+       if (player && player->protocol_version >= 29)
+               peer_id_to_avoid_sending = PEER_ID_INEXISTENT;
+
+       for (u16 i = 0; i < clients.size(); i++) {
+               u16 cid = clients[i];
+               if (cid != peer_id_to_avoid_sending)
+                       SendChatMessage(cid, ChatMessage(line));
        }
        return L"";
 }
@@ -3010,9 +2969,11 @@ std::wstring Server::getStatusString()
                os << name;
        }
        os << L"}";
-       if(((ServerMap*)(&m_env->getMap()))->isSavingEnabled() == false)
+
+       if (!((ServerMap*)(&m_env->getMap()))->isSavingEnabled())
                os<<std::endl<<L"# Server: "<<" WARNING: Map saving is disabled.";
-       if(g_settings->get("motd") != "")
+
+       if (!g_settings->get("motd").empty())
                os<<std::endl<<L"# Server: "<<narrow_to_wide(g_settings->get("motd"));
        return os.str();
 }
@@ -3032,11 +2993,10 @@ bool Server::checkPriv(const std::string &name, const std::string &priv)
 
 void Server::reportPrivsModified(const std::string &name)
 {
-       if(name == "") {
+       if (name.empty()) {
                std::vector<u16> clients = m_clients.getClientIDs();
-               for(std::vector<u16>::iterator i = clients.begin();
-                               i != clients.end(); ++i) {
-                       RemotePlayer *player = m_env->getPlayer(*i);
+               for (const u16 client_id : clients) {
+                       RemotePlayer *player = m_env->getPlayer(client_id);
                        reportPrivsModified(player->getName());
                }
        } else {
@@ -3159,7 +3119,7 @@ bool Server::hudSetFlags(RemotePlayer *player, u32 flags, u32 mask)
 
        PlayerSAO* playersao = player->getPlayerSAO();
 
-       if (playersao == NULL)
+       if (!playersao)
                return false;
 
        m_script->player_event(playersao, "hud_changed");
@@ -3284,7 +3244,7 @@ void Server::spawnParticle(const std::string &playername, v3f pos,
                return;
 
        u16 peer_id = PEER_ID_INEXISTENT, proto_ver = 0;
-       if (playername != "") {
+       if (!playername.empty()) {
                RemotePlayer *player = m_env->getPlayer(playername.c_str());
                if (!player)
                        return;
@@ -3310,7 +3270,7 @@ u32 Server::addParticleSpawner(u16 amount, float spawntime,
                return -1;
 
        u16 peer_id = PEER_ID_INEXISTENT, proto_ver = 0;
-       if (playername != "") {
+       if (!playername.empty()) {
                RemotePlayer *player = m_env->getPlayer(playername.c_str());
                if (!player)
                        return -1;
@@ -3342,7 +3302,7 @@ void Server::deleteParticleSpawner(const std::string &playername, u32 id)
                throw ServerError("Can't delete particle spawners during initialisation!");
 
        u16 peer_id = PEER_ID_INEXISTENT;
-       if (playername != "") {
+       if (!playername.empty()) {
                RemotePlayer *player = m_env->getPlayer(playername.c_str());
                if (!player)
                        return;
@@ -3387,11 +3347,7 @@ bool Server::rollbackRevertActions(const std::list<RollbackAction> &actions,
        int num_tried = 0;
        int num_failed = 0;
 
-       for(std::list<RollbackAction>::const_iterator
-                       i = actions.begin();
-                       i != actions.end(); ++i)
-       {
-               const RollbackAction &action = *i;
+       for (const RollbackAction &action : actions) {
                num_tried++;
                bool success = action.applyRevert(map, this, this);
                if(!success){
@@ -3399,13 +3355,13 @@ bool Server::rollbackRevertActions(const std::list<RollbackAction> &actions,
                        std::ostringstream os;
                        os<<"Revert of step ("<<num_tried<<") "<<action.toString()<<" failed";
                        infostream<<"Map::rollbackRevertActions(): "<<os.str()<<std::endl;
-                       if(log)
+                       if (log)
                                log->push_back(os.str());
                }else{
                        std::ostringstream os;
                        os<<"Successfully reverted step ("<<num_tried<<") "<<action.toString();
                        infostream<<"Map::rollbackRevertActions(): "<<os.str()<<std::endl;
-                       if(log)
+                       if (log)
                                log->push_back(os.str());
                }
        }