]> git.lizzy.rs Git - minetest.git/blobdiff - src/server.cpp
Fix mem leak in mesh cache (#5781)
[minetest.git] / src / server.cpp
index 48331e4f84b2dad4eaf56c6815d6319468b224e9..6889451d9f623ddf2f4ff946cec0719e84d7e1a1 100644 (file)
@@ -38,7 +38,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "settings.h"
 #include "profiler.h"
 #include "log.h"
-#include "scripting_game.h"
+#include "scripting_server.h"
 #include "nodedef.h"
 #include "itemdef.h"
 #include "craftdef.h"
@@ -50,11 +50,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "content_abm.h"
 #include "content_sao.h"
 #include "mods.h"
-#include "sound.h" // dummySoundManager
 #include "event_manager.h"
 #include "serverlist.h"
 #include "util/string.h"
-#include "util/mathconstants.h"
 #include "rollback.h"
 #include "util/serialize.h"
 #include "util/thread.h"
@@ -62,6 +60,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 #include "util/base64.h"
 #include "util/sha1.h"
 #include "util/hex.h"
+#include "database.h"
 
 class ClientNotFoundException : public BaseException
 {
@@ -108,7 +107,8 @@ void *ServerThread::run()
                } catch (con::ConnectionBindFailed &e) {
                        m_server->setAsyncFatalError(e.what());
                } catch (LuaError &e) {
-                       m_server->setAsyncFatalError("Lua: " + std::string(e.what()));
+                       m_server->setAsyncFatalError(
+                                       "ServerThread::run Lua: " + std::string(e.what()));
                }
        }
 
@@ -149,11 +149,13 @@ Server::Server(
                const SubgameSpec &gamespec,
                bool simple_singleplayer_mode,
                bool ipv6,
+               bool dedicated,
                ChatInterface *iface
        ):
        m_path_world(path_world),
        m_gamespec(gamespec),
        m_simple_singleplayer_mode(simple_singleplayer_mode),
+       m_dedicated(dedicated),
        m_async_fatal_error(""),
        m_env(NULL),
        m_con(PROTOCOL_ID,
@@ -176,11 +178,12 @@ Server::Server(
        m_clients(&m_con),
        m_shutdown_requested(false),
        m_shutdown_ask_reconnect(false),
+       m_shutdown_timer(0.0f),
        m_admin_chat(iface),
        m_ignore_map_edit_events(false),
        m_ignore_map_edit_events_peer_id(0),
-       m_next_sound_id(0)
-
+       m_next_sound_id(0),
+       m_mod_storage_save_timer(10.0f)
 {
        m_liquid_transform_timer = 0.0;
        m_liquid_transform_every = 1.0;
@@ -219,20 +222,12 @@ Server::Server(
        std::string ban_path = m_path_world + DIR_DELIM "ipban.txt";
        m_banmanager = new BanManager(ban_path);
 
-       ModConfiguration modconf(m_path_world);
+       ServerModConfiguration modconf(m_path_world);
        m_mods = modconf.getMods();
        std::vector<ModSpec> unsatisfied_mods = modconf.getUnsatisfiedMods();
        // complain about mods with unsatisfied dependencies
-       if(!modconf.isConsistent()) {
-               for(std::vector<ModSpec>::iterator it = unsatisfied_mods.begin();
-                       it != unsatisfied_mods.end(); ++it) {
-                       ModSpec mod = *it;
-                       errorstream << "mod \"" << mod.name << "\" has unsatisfied dependencies: ";
-                       for(std::set<std::string>::iterator dep_it = mod.unsatisfied_depends.begin();
-                               dep_it != mod.unsatisfied_depends.end(); ++dep_it)
-                               errorstream << " \"" << *dep_it << "\"";
-                       errorstream << std::endl;
-               }
+       if (!modconf.isConsistent()) {
+               modconf.printUnsatisfiedModsError();
        }
 
        Settings worldmt_settings;
@@ -270,28 +265,25 @@ Server::Server(
        // Initialize scripting
        infostream<<"Server: Initializing Lua"<<std::endl;
 
-       m_script = new GameScripting(this);
+       m_script = new ServerScripting(this);
 
-       std::string script_path = getBuiltinLuaPath() + DIR_DELIM "init.lua";
-
-       m_script->loadMod(script_path, BUILTIN_MOD_NAME);
+       m_script->loadMod(getBuiltinLuaPath() + DIR_DELIM "init.lua", BUILTIN_MOD_NAME);
 
        // Print mods
        infostream << "Server: Loading mods: ";
-       for(std::vector<ModSpec>::iterator i = m_mods.begin();
+       for (std::vector<ModSpec>::const_iterator i = m_mods.begin();
                        i != m_mods.end(); ++i) {
-               const ModSpec &mod = *i;
-               infostream << mod.name << " ";
+               infostream << (*i).name << " ";
        }
        infostream << std::endl;
        // Load and run "mod" scripts
-       for (std::vector<ModSpec>::iterator it = m_mods.begin();
+       for (std::vector<ModSpec>::const_iterator it = m_mods.begin();
                        it != m_mods.end(); ++it) {
                const ModSpec &mod = *it;
                if (!string_allowed(mod.name, MODNAME_ALLOWED_CHARS)) {
                        throw ModError("Error loading mod \"" + mod.name +
                                "\": Mod name does not follow naming conventions: "
-                               "Only chararacters [a-z0-9_] are allowed.");
+                               "Only characters [a-z0-9_] are allowed.");
                }
                std::string script_path = mod.path + DIR_DELIM + "init.lua";
                infostream << "  [" << padStringRight(mod.name, 12) << "] [\""
@@ -488,7 +480,7 @@ void Server::step(float dtime)
                                g_settings->get("kick_msg_crash"),
                                g_settings->getBool("ask_reconnect_on_crash"));
                }
-               throw ServerError(async_err);
+               throw ServerError("AsyncErr: " + async_err);
        }
 }
 
@@ -608,7 +600,7 @@ void Server::AsyncRunStep(bool initial_step)
                ScopeProfiler sp(g_profiler, "Server: liquid transform");
 
                std::map<v3s16, MapBlock*> modified_blocks;
-               m_env->getMap().transformLiquids(modified_blocks);
+               m_env->getMap().transformLiquids(modified_blocks, m_env);
 #if 0
                /*
                        Update lighting
@@ -641,10 +633,10 @@ void Server::AsyncRunStep(bool initial_step)
        // send masterserver announce
        {
                float &counter = m_masterserver_timer;
-               if(!isSingleplayer() && (!counter || counter >= 300.0) &&
-                               g_settings->getBool("server_announce"))
-               {
-                       ServerList::sendAnnounce(counter ? "update" : "start",
+               if (!isSingleplayer() && (!counter || counter >= 300.0) &&
+                               g_settings->getBool("server_announce")) {
+                       ServerList::sendAnnounce(counter ? ServerList::AA_UPDATE :
+                                               ServerList::AA_START,
                                        m_bind_addr.getPort(),
                                        m_clients.getPlayerNames(),
                                        m_uptime.get(),
@@ -652,7 +644,8 @@ void Server::AsyncRunStep(bool initial_step)
                                        m_lag,
                                        m_gamespec.id,
                                        Mapgen::getMapgenName(m_emerge->mgparams->mgtype),
-                                       m_mods);
+                                       m_mods,
+                                       m_dedicated);
                        counter = 0.01;
                }
                counter += dtime;
@@ -705,11 +698,15 @@ void Server::AsyncRunStep(bool initial_step)
                        if (playersao == NULL)
                                continue;
 
+                       s16 my_radius = MYMIN(radius, playersao->getWantedRange() * MAP_BLOCKSIZE);
+                       if (my_radius <= 0) my_radius = radius;
+                       //infostream << "Server: Active Radius " << my_radius << std::endl;
+
                        std::queue<u16> removed_objects;
                        std::queue<u16> added_objects;
-                       m_env->getRemovedActiveObjects(playersao, radius, player_radius,
+                       m_env->getRemovedActiveObjects(playersao, my_radius, player_radius,
                                        client->m_known_objects, removed_objects);
-                       m_env->getAddedActiveObjects(playersao, radius, player_radius,
+                       m_env->getAddedActiveObjects(playersao, my_radius, player_radius,
                                        client->m_known_objects, added_objects);
 
                        // Ignore if nothing happened
@@ -785,6 +782,18 @@ void Server::AsyncRunStep(bool initial_step)
                                        << "packet size is " << pktSize << std::endl;
                }
                m_clients.unlock();
+
+               m_mod_storage_save_timer -= dtime;
+               if (m_mod_storage_save_timer <= 0.0f) {
+                       infostream << "Saving registered mod storages." << std::endl;
+                       m_mod_storage_save_timer = g_settings->getFloat("server_map_save_interval");
+                       for (UNORDERED_MAP<std::string, ModMetadata *>::const_iterator
+                               it = m_mod_storages.begin(); it != m_mod_storages.end(); ++it) {
+                               if (it->second->isModified()) {
+                                       it->second->save(getModStoragePath());
+                               }
+                       }
+               }
        }
 
        /*
@@ -1022,6 +1031,39 @@ void Server::AsyncRunStep(bool initial_step)
                        m_env->saveMeta();
                }
        }
+
+       // Timed shutdown
+       static const float shutdown_msg_times[] =
+       {
+               1, 2, 3, 4, 5, 10, 15, 20, 25, 30, 45, 60, 120, 180, 300, 600, 1200, 1800, 3600
+       };
+
+       if (m_shutdown_timer > 0.0f) {
+               // Automated messages
+               if (m_shutdown_timer < shutdown_msg_times[ARRLEN(shutdown_msg_times) - 1]) {
+                       for (u16 i = 0; i < ARRLEN(shutdown_msg_times) - 1; i++) {
+                               // If shutdown timer matches an automessage, shot it
+                               if (m_shutdown_timer > shutdown_msg_times[i] &&
+                                       m_shutdown_timer - dtime < shutdown_msg_times[i]) {
+                                       std::wstringstream ws;
+
+                                       ws << L"*** Server shutting down in "
+                                               << duration_to_string(myround(m_shutdown_timer - dtime)).c_str()
+                                               << ".";
+
+                                       infostream << wide_to_utf8(ws.str()).c_str() << std::endl;
+                                       SendChatMessage(PEER_ID_INEXISTENT, ws.str());
+                                       break;
+                               }
+                       }
+               }
+
+               m_shutdown_timer -= dtime;
+               if (m_shutdown_timer < 0.0f) {
+                       m_shutdown_timer = 0.0f;
+                       m_shutdown_requested = true;
+               }
+       }
 }
 
 void Server::Receive()
@@ -1072,8 +1114,7 @@ PlayerSAO* Server::StageTwoClientInit(u16 peer_id)
        }
        m_clients.unlock();
 
-       RemotePlayer *player =
-               static_cast<RemotePlayer*>(m_env->getPlayer(playername.c_str()));
+       RemotePlayer *player = m_env->getPlayer(playername.c_str());
 
        // If failed, cancel
        if ((playersao == NULL) || (player == NULL)) {
@@ -1105,18 +1146,17 @@ PlayerSAO* Server::StageTwoClientInit(u16 peer_id)
        // Send inventory
        SendInventory(playersao);
 
-       // Send HP
-       SendPlayerHPOrDie(playersao);
-
-       // Send Breath
-       SendPlayerBreath(peer_id);
-
-       // Show death screen if necessary
+       // Send HP or death screen
        if (playersao->isDead())
                SendDeathscreen(peer_id, false, v3f(0,0,0));
+       else
+               SendPlayerHPOrDie(playersao);
+
+       // Send Breath
+       SendPlayerBreath(playersao);
 
        // Note things in chat if not in simple singleplayer mode
-       if(!m_simple_singleplayer_mode) {
+       if (!m_simple_singleplayer_mode && g_settings->getBool("show_statusline_on_connect")) {
                // Send information about server to player in chat
                SendChatMessage(peer_id, getStatusString());
        }
@@ -1637,7 +1677,7 @@ void Server::SendChatMessage(u16 peer_id, const std::wstring &message)
                Send(&pkt);
        }
        else {
-               m_clients.sendToAll(0, &pkt, true);
+               m_clients.sendToAll(&pkt);
        }
 }
 
@@ -1647,20 +1687,52 @@ void Server::SendShowFormspecMessage(u16 peer_id, const std::string &formspec,
        DSTACK(FUNCTION_NAME);
 
        NetworkPacket pkt(TOCLIENT_SHOW_FORMSPEC, 0 , peer_id);
-
-       pkt.putLongString(FORMSPEC_VERSION_STRING + formspec);
+       if (formspec == "" ){
+               //the client should close the formspec
+               pkt.putLongString("");
+       } else {
+               pkt.putLongString(FORMSPEC_VERSION_STRING + formspec);
+       }
        pkt << formname;
 
        Send(&pkt);
 }
 
 // Spawns a particle on peer with peer_id
-void Server::SendSpawnParticle(u16 peer_id, v3f pos, v3f velocity, v3f acceleration,
+void Server::SendSpawnParticle(u16 peer_id, u16 protocol_version,
+                               v3f pos, v3f velocity, v3f acceleration,
                                float expirationtime, float size, bool collisiondetection,
                                bool collision_removal,
-                               bool vertical, const std::string &texture)
+                               bool vertical, const std::string &texture,
+                               const struct TileAnimationParams &animation, u8 glow)
 {
        DSTACK(FUNCTION_NAME);
+       static const float radius =
+                       g_settings->getS16("max_block_send_distance") * MAP_BLOCKSIZE * BS;
+
+       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);
+                       if (!player)
+                               continue;
+
+                       PlayerSAO *sao = player->getPlayerSAO();
+                       if (!sao)
+                               continue;
+
+                       // Do not send to distant clients
+                       if (sao->getBasePosition().getDistanceFrom(pos * BS) > radius)
+                               continue;
+
+                       SendSpawnParticle(*i, player->protocol_version,
+                                       pos, velocity, acceleration,
+                                       expirationtime, size, collisiondetection,
+                                       collision_removal, vertical, texture, animation, glow);
+               }
+               return;
+       }
 
        NetworkPacket pkt(TOCLIENT_SPAWN_PARTICLE, 0, peer_id);
 
@@ -1669,22 +1741,39 @@ void Server::SendSpawnParticle(u16 peer_id, v3f pos, v3f velocity, v3f accelerat
        pkt.putLongString(texture);
        pkt << vertical;
        pkt << collision_removal;
+       // This is horrible but required (why are there two ways to serialize pkts?)
+       std::ostringstream os(std::ios_base::binary);
+       animation.serialize(os, protocol_version);
+       pkt.putRawString(os.str());
+       pkt << glow;
 
-       if (peer_id != PEER_ID_INEXISTENT) {
-               Send(&pkt);
-       }
-       else {
-               m_clients.sendToAll(0, &pkt, true);
-       }
+       Send(&pkt);
 }
 
 // Adds a ParticleSpawner on peer with peer_id
-void Server::SendAddParticleSpawner(u16 peer_id, u16 amount, float spawntime, v3f minpos, v3f maxpos,
+void Server::SendAddParticleSpawner(u16 peer_id, u16 protocol_version,
+       u16 amount, float spawntime, v3f minpos, v3f maxpos,
        v3f minvel, v3f maxvel, v3f minacc, v3f maxacc, float minexptime, float maxexptime,
        float minsize, float maxsize, bool collisiondetection, bool collision_removal,
-       u16 attached_id, bool vertical, const std::string &texture, u32 id)
+       u16 attached_id, bool vertical, const std::string &texture, u32 id,
+       const struct TileAnimationParams &animation, u8 glow)
 {
        DSTACK(FUNCTION_NAME);
+       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);
+                       if (!player)
+                               continue;
+                       SendAddParticleSpawner(*i, player->protocol_version,
+                                       amount, spawntime, minpos, maxpos,
+                                       minvel, maxvel, minacc, maxacc, minexptime, maxexptime,
+                                       minsize, maxsize, collisiondetection, collision_removal,
+                                       attached_id, vertical, texture, id, animation, glow);
+               }
+               return;
+       }
 
        NetworkPacket pkt(TOCLIENT_ADD_PARTICLESPAWNER, 0, peer_id);
 
@@ -1697,13 +1786,13 @@ void Server::SendAddParticleSpawner(u16 peer_id, u16 amount, float spawntime, v3
        pkt << id << vertical;
        pkt << collision_removal;
        pkt << attached_id;
+       // This is horrible but required
+       std::ostringstream os(std::ios_base::binary);
+       animation.serialize(os, protocol_version);
+       pkt.putRawString(os.str());
+       pkt << glow;
 
-       if (peer_id != PEER_ID_INEXISTENT) {
-               Send(&pkt);
-       }
-       else {
-               m_clients.sendToAll(0, &pkt, true);
-       }
+       Send(&pkt);
 }
 
 void Server::SendDeleteParticleSpawner(u16 peer_id, u32 id)
@@ -1719,7 +1808,7 @@ void Server::SendDeleteParticleSpawner(u16 peer_id, u32 id)
                Send(&pkt);
        }
        else {
-               m_clients.sendToAll(0, &pkt, true);
+               m_clients.sendToAll(&pkt);
        }
 
 }
@@ -1794,7 +1883,8 @@ void Server::SendHUDSetParam(u16 peer_id, u16 param, const std::string &value)
 }
 
 void Server::SendSetSky(u16 peer_id, const video::SColor &bgcolor,
-               const std::string &type, const std::vector<std::string> &params)
+               const std::string &type, const std::vector<std::string> &params,
+               bool &clouds)
 {
        NetworkPacket pkt(TOCLIENT_SET_SKY, 0, peer_id);
        pkt << bgcolor << type << (u16) params.size();
@@ -1802,6 +1892,22 @@ void Server::SendSetSky(u16 peer_id, const video::SColor &bgcolor,
        for(size_t i=0; i<params.size(); i++)
                pkt << params[i];
 
+       pkt << clouds;
+
+       Send(&pkt);
+}
+
+void Server::SendCloudParams(u16 peer_id, float density,
+               const video::SColor &color_bright,
+               const video::SColor &color_ambient,
+               float height,
+               float thickness,
+               const v2f &speed)
+{
+       NetworkPacket pkt(TOCLIENT_CLOUD_PARAMS, 0, peer_id);
+       pkt << density << color_bright << color_ambient
+                       << height << thickness << speed;
+
        Send(&pkt);
 }
 
@@ -1824,7 +1930,7 @@ void Server::SendTimeOfDay(u16 peer_id, u16 time, f32 time_speed)
        pkt << time << time_speed;
 
        if (peer_id == PEER_ID_INEXISTENT) {
-               m_clients.sendToAll(0, &pkt, true);
+               m_clients.sendToAll(&pkt);
        }
        else {
                Send(&pkt);
@@ -1849,14 +1955,13 @@ void Server::SendPlayerHP(u16 peer_id)
        playersao->m_messages_out.push(aom);
 }
 
-void Server::SendPlayerBreath(u16 peer_id)
+void Server::SendPlayerBreath(PlayerSAO *sao)
 {
        DSTACK(FUNCTION_NAME);
-       PlayerSAO *playersao = getPlayerSAO(peer_id);
-       assert(playersao);
+       assert(sao);
 
-       m_script->player_event(playersao, "breath_changed");
-       SendBreath(peer_id, playersao->getBreath());
+       m_script->player_event(sao, "breath_changed");
+       SendBreath(sao->getPeerID(), sao->getBreath());
 }
 
 void Server::SendMovePlayer(u16 peer_id)
@@ -2010,15 +2115,23 @@ s32 Server::playSound(const SimpleSoundSpec &spec,
        m_playing_sounds[id] = ServerPlayingSound();
        ServerPlayingSound &psound = m_playing_sounds[id];
        psound.params = params;
+       psound.spec = spec;
 
+       float gain = params.gain * spec.gain;
        NetworkPacket pkt(TOCLIENT_PLAY_SOUND, 0);
-       pkt << id << spec.name << (float) (spec.gain * params.gain)
-                       << (u8) params.type << pos << params.object << params.loop;
+       pkt << id << spec.name << gain
+                       << (u8) params.type << pos << params.object
+                       << params.loop << params.fade;
+
+       // Backwards compability
+       bool play_sound = gain > 0;
 
-       for(std::vector<u16>::iterator i = dst_clients.begin();
+       for (std::vector<u16>::iterator i = dst_clients.begin();
                        i != dst_clients.end(); ++i) {
-               psound.clients.insert(*i);
-               m_clients.send(*i, 0, &pkt, true);
+               if (play_sound || m_clients.getProtocolVersion(*i) >= 32) {
+                       psound.clients.insert(*i);
+                       m_clients.send(*i, 0, &pkt, true);
+               }
        }
        return id;
 }
@@ -2042,6 +2155,52 @@ void Server::stopSound(s32 handle)
        m_playing_sounds.erase(i);
 }
 
+void Server::fadeSound(s32 handle, float step, float gain)
+{
+       // Get sound reference
+       UNORDERED_MAP<s32, ServerPlayingSound>::iterator i =
+                       m_playing_sounds.find(handle);
+       if (i == m_playing_sounds.end())
+               return;
+
+       ServerPlayingSound &psound = i->second;
+       psound.params.gain = gain;
+
+       NetworkPacket pkt(TOCLIENT_FADE_SOUND, 4);
+       pkt << handle << step << gain;
+
+       // Backwards compability
+       bool play_sound = gain > 0;
+       ServerPlayingSound compat_psound = psound;
+       compat_psound.clients.clear();
+
+       NetworkPacket compat_pkt(TOCLIENT_STOP_SOUND, 4);
+       compat_pkt << handle;
+
+       for (UNORDERED_SET<u16>::iterator it = psound.clients.begin();
+                       it != psound.clients.end();) {
+               if (m_clients.getProtocolVersion(*it) >= 32) {
+                       // Send as reliable
+                       m_clients.send(*it, 0, &pkt, true);
+                       ++it;
+               } else {
+                       compat_psound.clients.insert(*it);
+                       // Stop old sound
+                       m_clients.send(*it, 0, &compat_pkt, true);
+                       psound.clients.erase(it++);
+               }
+       }
+
+       // Remove sound reference
+       if (!play_sound || psound.clients.size() == 0)
+               m_playing_sounds.erase(i);
+
+       if (play_sound && compat_psound.clients.size() > 0) {
+               // Play new sound volume on older clients
+               playSound(compat_psound.spec, compat_psound.params);
+       }
+}
+
 void Server::sendRemoveNode(v3s16 p, u16 ignore_id,
        std::vector<u16> *far_players, float far_d_nodes)
 {
@@ -2105,14 +2264,6 @@ void Server::sendAddNode(v3s16 p, MapNode n, u16 ignore_id,
                if (client != 0) {
                        pkt << p << n.param0 << n.param1 << n.param2
                                        << (u8) (remove_metadata ? 0 : 1);
-
-                       if (!remove_metadata) {
-                               if (client->net_proto_version <= 21) {
-                                       // Old clients always clear metadata; fix it
-                                       // by sending the full block again.
-                                       client->SetBlockNotSent(getNodeBlockPos(p));
-                               }
-                       }
                }
                m_clients.unlock();
 
@@ -2146,7 +2297,7 @@ void Server::SendBlockNoLock(u16 peer_id, MapBlock *block, u8 ver, u16 net_proto
 
        std::ostringstream os(std::ios_base::binary);
        block->serialize(os, ver, false);
-       block->serializeNetworkSpecific(os, net_proto_version);
+       block->serializeNetworkSpecific(os);
        std::string s = os.str();
 
        NetworkPacket pkt(TOCLIENT_BLOCKDATA, 2 + 2 + 2 + 2 + s.size(), peer_id);
@@ -2483,11 +2634,16 @@ void Server::sendDetachedInventory(const std::string &name, u16 peer_id)
        NetworkPacket pkt(TOCLIENT_DETACHED_INVENTORY, 0, peer_id);
        pkt.putRawString(s.c_str(), s.size());
 
-       if (peer_id != PEER_ID_INEXISTENT) {
-               Send(&pkt);
-       }
-       else {
-               m_clients.sendToAll(0, &pkt, true);
+       const std::string &check = m_detached_inventories_player[name];
+       if (peer_id == PEER_ID_INEXISTENT) {
+               if (check == "")
+                       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)
+                       Send(&pkt);
        }
 }
 
@@ -2544,15 +2700,13 @@ void Server::RespawnPlayer(u16 peer_id)
        playersao->setHP(PLAYER_MAX_HP);
        playersao->setBreath(PLAYER_MAX_BREATH);
 
-       SendPlayerHP(peer_id);
-       SendPlayerBreath(peer_id);
-
        bool repositioned = m_script->on_respawnplayer(playersao);
-       if(!repositioned){
-               v3f pos = findSpawnPos();
+       if (!repositioned) {
                // setPos will send the new position to client
-               playersao->setPos(pos);
+               playersao->setPos(findSpawnPos());
        }
+
+       SendPlayerHP(peer_id);
 }
 
 
@@ -2748,59 +2902,49 @@ std::wstring Server::handleChat(const std::string &name, const std::wstring &wna
        RollbackScopeActor rollback_scope(m_rollback,
                std::string("player:") + name);
 
-       // Line to send
-       std::wstring line;
-       // Whether to send line to the player that sent the message, or to all players
-       bool broadcast_line = true;
-
-       // Run script hook
-       bool ate = m_script->on_chat_message(name,
-               wide_to_utf8(wmessage));
-       // If script ate the message, don't proceed
-       if (ate)
-               return L"";
-
        if (player) {
                switch (player->canSendChatMessage()) {
                        case RPLAYER_CHATRESULT_FLOODING: {
                                std::wstringstream ws;
                                ws << L"You cannot send more messages. You are limited to "
-                               << g_settings->getFloat("chat_message_limit_per_10sec")
-                               << L" messages per 10 seconds.";
+                                  << g_settings->getFloat("chat_message_limit_per_10sec")
+                                  << L" messages per 10 seconds.";
                                return ws.str();
                        }
                        case RPLAYER_CHATRESULT_KICK:
-                               DenyAccess_Legacy(player->peer_id, L"You have been kicked due to message flooding.");
+                               DenyAccess_Legacy(player->peer_id,
+                                               L"You have been kicked due to message flooding.");
                                return L"";
-                       case RPLAYER_CHATRESULT_OK: break;
-                       default: FATAL_ERROR("Unhandled chat filtering result found.");
+                       case RPLAYER_CHATRESULT_OK:
+                               break;
+                       default:
+                               FATAL_ERROR("Unhandled chat filtering result found.");
                }
        }
 
-       if (m_max_chatmessage_length > 0 && wmessage.length() > m_max_chatmessage_length) {
+       if (m_max_chatmessage_length > 0
+                       && wmessage.length() > m_max_chatmessage_length) {
                return L"Your message exceed the maximum chat message limit set on the server. "
-                       L"It was refused. Send a shorter message";
+                               L"It was refused. Send a shorter message";
        }
 
-       // Commands are implemented in Lua, so only catch invalid
-       // commands that were not "eaten" and send an error back
-       if (wmessage[0] == L'/') {
-               std::wstring wcmd = wmessage.substr(1);
+       // Run script hook, exit if script ate the chat message
+       if (m_script->on_chat_message(name, wide_to_utf8(wmessage)))
+               return L"";
+
+       // Line to send
+       std::wstring line;
+       // Whether to send line to the player that sent the message, or to all players
+       bool broadcast_line = true;
+
+       if (check_shout_priv && !checkPriv(name, "shout")) {
+               line += L"-!- You don't have permission to shout.";
                broadcast_line = false;
-               if (wcmd.length() == 0)
-                       line += L"-!- Empty command";
-               else
-                       line += L"-!- Invalid command: " + str_split(wcmd, L' ')[0];
        } else {
-               if (check_shout_priv && !checkPriv(name, "shout")) {
-                       line += L"-!- You don't have permission to shout.";
-                       broadcast_line = false;
-               } else {
-                       line += L"<";
-                       line += wname;
-                       line += L"> ";
-                       line += wmessage;
-               }
+               line += L"<";
+               line += wname;
+               line += L"> ";
+               line += wmessage;
        }
 
        /*
@@ -2816,7 +2960,15 @@ std::wstring Server::handleChat(const std::string &name, const std::wstring &wna
 
                std::vector<u16> clients = m_clients.getClientIDs();
 
+               /*
+                       Send the message back to the inital sender
+                       if they are using protocol version >= 29
+               */
+
                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)
@@ -3117,13 +3269,30 @@ bool Server::setPlayerEyeOffset(RemotePlayer *player, v3f first, v3f third)
 }
 
 bool Server::setSky(RemotePlayer *player, const video::SColor &bgcolor,
-       const std::string &type, const std::vector<std::string> &params)
+       const std::string &type, const std::vector<std::string> &params,
+       bool &clouds)
+{
+       if (!player)
+               return false;
+
+       player->setSky(bgcolor, type, params, clouds);
+       SendSetSky(player->peer_id, bgcolor, type, params, clouds);
+       return true;
+}
+
+bool Server::setClouds(RemotePlayer *player, float density,
+       const video::SColor &color_bright,
+       const video::SColor &color_ambient,
+       float height,
+       float thickness,
+       const v2f &speed)
 {
        if (!player)
                return false;
 
-       player->setSky(bgcolor, type, params);
-       SendSetSky(player->peer_id, bgcolor, type, params);
+       SendCloudParams(player->peer_id, density,
+                       color_bright, color_ambient, height,
+                       thickness, speed);
        return true;
 }
 
@@ -3147,23 +3316,25 @@ void Server::spawnParticle(const std::string &playername, v3f pos,
        v3f velocity, v3f acceleration,
        float expirationtime, float size, bool
        collisiondetection, bool collision_removal,
-       bool vertical, const std::string &texture)
+       bool vertical, const std::string &texture,
+       const struct TileAnimationParams &animation, u8 glow)
 {
        // m_env will be NULL if the server is initializing
        if (!m_env)
                return;
 
-       u16 peer_id = PEER_ID_INEXISTENT;
+       u16 peer_id = PEER_ID_INEXISTENT, proto_ver = 0;
        if (playername != "") {
                RemotePlayer *player = m_env->getPlayer(playername.c_str());
                if (!player)
                        return;
                peer_id = player->peer_id;
+               proto_ver = player->protocol_version;
        }
 
-       SendSpawnParticle(peer_id, pos, velocity, acceleration,
+       SendSpawnParticle(peer_id, proto_ver, pos, velocity, acceleration,
                        expirationtime, size, collisiondetection,
-                       collision_removal, vertical, texture);
+                       collision_removal, vertical, texture, animation, glow);
 }
 
 u32 Server::addParticleSpawner(u16 amount, float spawntime,
@@ -3171,18 +3342,20 @@ u32 Server::addParticleSpawner(u16 amount, float spawntime,
        float minexptime, float maxexptime, float minsize, float maxsize,
        bool collisiondetection, bool collision_removal,
        ServerActiveObject *attached, bool vertical, const std::string &texture,
-       const std::string &playername)
+       const std::string &playername, const struct TileAnimationParams &animation,
+       u8 glow)
 {
        // m_env will be NULL if the server is initializing
        if (!m_env)
                return -1;
 
-       u16 peer_id = PEER_ID_INEXISTENT;
+       u16 peer_id = PEER_ID_INEXISTENT, proto_ver = 0;
        if (playername != "") {
                RemotePlayer *player = m_env->getPlayer(playername.c_str());
                if (!player)
                        return -1;
                peer_id = player->peer_id;
+               proto_ver = player->protocol_version;
        }
 
        u16 attached_id = attached ? attached->getId() : 0;
@@ -3193,11 +3366,11 @@ u32 Server::addParticleSpawner(u16 amount, float spawntime,
        else
                id = m_env->addParticleSpawner(spawntime, attached_id);
 
-       SendAddParticleSpawner(peer_id, amount, spawntime,
+       SendAddParticleSpawner(peer_id, proto_ver, amount, spawntime,
                minpos, maxpos, minvel, maxvel, minacc, maxacc,
                minexptime, maxexptime, minsize, maxsize,
                collisiondetection, collision_removal, attached_id, vertical,
-               texture, id);
+               texture, id, animation, glow);
 
        return id;
 }
@@ -3220,7 +3393,7 @@ void Server::deleteParticleSpawner(const std::string &playername, u32 id)
        SendDeleteParticleSpawner(peer_id, id);
 }
 
-Inventory* Server::createDetachedInventory(const std::string &name)
+Inventory* Server::createDetachedInventory(const std::string &name, const std::string &player)
 {
        if(m_detached_inventories.count(name) > 0){
                infostream<<"Server clearing detached inventory \""<<name<<"\""<<std::endl;
@@ -3231,6 +3404,7 @@ Inventory* Server::createDetachedInventory(const std::string &name)
        Inventory *inv = new Inventory(m_itemdef);
        sanity_check(inv);
        m_detached_inventories[name] = inv;
+       m_detached_inventories_player[name] = player;
        //TODO find a better way to do this
        sendDetachedInventory(name,PEER_ID_INEXISTENT);
        return inv;
@@ -3299,29 +3473,12 @@ ICraftDefManager *Server::getCraftDefManager()
 {
        return m_craftdef;
 }
-ITextureSource *Server::getTextureSource()
-{
-       return NULL;
-}
-IShaderSource *Server::getShaderSource()
-{
-       return NULL;
-}
-scene::ISceneManager *Server::getSceneManager()
-{
-       return NULL;
-}
 
 u16 Server::allocateUnknownNodeId(const std::string &name)
 {
        return m_nodedef->allocateDummy(name);
 }
 
-ISoundManager *Server::getSoundManager()
-{
-       return &dummySoundManager;
-}
-
 MtEventManager *Server::getEventManager()
 {
        return m_event;
@@ -3365,6 +3522,11 @@ std::string Server::getBuiltinLuaPath()
        return porting::path_share + DIR_DELIM + "builtin";
 }
 
+std::string Server::getModStoragePath() const
+{
+       return m_path_world + DIR_DELIM + "mod_storage";
+}
+
 v3f Server::findSpawnPos()
 {
        ServerMap &map = m_env->getServerMap();
@@ -3380,8 +3542,8 @@ v3f Server::findSpawnPos()
                s32 range = 1 + i;
                // We're going to try to throw the player to this position
                v2s16 nodepos2d = v2s16(
-                               -range + (myrand() % (range * 2)),
-                               -range + (myrand() % (range * 2)));
+                       -range + (myrand() % (range * 2)),
+                       -range + (myrand() % (range * 2)));
 
                // Get spawn level at point
                s16 spawn_level = m_emerge->getSpawnLevelAtPoint(nodepos2d);
@@ -3415,10 +3577,45 @@ v3f Server::findSpawnPos()
        return nodeposf;
 }
 
-PlayerSAO* Server::emergePlayer(const char *name, u16 peer_id, u16 proto_version)
+void Server::requestShutdown(const std::string &msg, bool reconnect, float delay)
 {
-       bool newplayer = false;
+       m_shutdown_timer = delay;
+       m_shutdown_msg = msg;
+       m_shutdown_ask_reconnect = reconnect;
+
+       if (delay == 0.0f) {
+       // No delay, shutdown immediately
+               m_shutdown_requested = true;
+               // only print to the infostream, a chat message saying 
+               // "Server Shutting Down" is sent when the server destructs.
+               infostream << "*** Immediate Server shutdown requested." << std::endl;
+       } else if (delay < 0.0f && m_shutdown_timer > 0.0f) {
+       // Negative delay, cancel shutdown if requested
+               m_shutdown_timer = 0.0f;
+               m_shutdown_msg = "";
+               m_shutdown_ask_reconnect = false;
+               m_shutdown_requested = false;
+               std::wstringstream ws;
+
+               ws << L"*** Server shutdown canceled.";
+
+               infostream << wide_to_utf8(ws.str()).c_str() << std::endl;
+               SendChatMessage(PEER_ID_INEXISTENT, ws.str());
+       } else if (delay > 0.0f) {
+       // Positive delay, tell the clients when the server will shut down
+               std::wstringstream ws;
+
+               ws << L"*** Server shutting down in "
+                               << duration_to_string(myround(m_shutdown_timer)).c_str()
+                               << ".";
 
+               infostream << wide_to_utf8(ws.str()).c_str() << std::endl;
+               SendChatMessage(PEER_ID_INEXISTENT, ws.str());
+       }
+}
+
+PlayerSAO* Server::emergePlayer(const char *name, u16 peer_id, u16 proto_version)
+{
        /*
                Try to get an existing player
        */
@@ -3439,44 +3636,18 @@ PlayerSAO* Server::emergePlayer(const char *name, u16 peer_id, u16 proto_version
                return NULL;
        }
 
-       // Create a new player active object
-       PlayerSAO *playersao = new PlayerSAO(m_env, peer_id, isSingleplayer());
-       player = m_env->loadPlayer(name, playersao);
-
-       // Create player if it doesn't exist
        if (!player) {
-               newplayer = true;
-               player = new RemotePlayer(name, this->idef());
-               // Set player position
-               infostream<<"Server: Finding spawn place for player \""
-                               <<name<<"\""<<std::endl;
-               playersao->setBasePosition(findSpawnPos());
-
-               // Make sure the player is saved
-               player->setModified(true);
-
-               // Add player to environment
-               m_env->addPlayer(player);
-       } else {
-               // If the player exists, ensure that they respawn inside legal bounds
-               // This fixes an assert crash when the player can't be added
-               // to the environment
-               if (objectpos_over_limit(playersao->getBasePosition())) {
-                       actionstream << "Respawn position for player \""
-                               << name << "\" outside limits, resetting" << std::endl;
-                       playersao->setBasePosition(findSpawnPos());
-               }
+               player = new RemotePlayer(name, idef());
        }
 
-       playersao->initialize(player, getPlayerEffectivePrivs(player->getName()));
-
-       player->protocol_version = proto_version;
+       bool newplayer = false;
 
-       /* Clean up old HUD elements from previous sessions */
-       player->clearHud();
+       // Load player
+       PlayerSAO *playersao = m_env->loadPlayer(player, &newplayer, peer_id, isSingleplayer());
 
-       /* Add object to environment */
-       m_env->addActiveObject(playersao);
+       // Complete init with server parts
+       playersao->finalize(player, getPlayerEffectivePrivs(player->getName()));
+       player->protocol_version = proto_version;
 
        /* Run scripts */
        if (newplayer) {
@@ -3486,6 +3657,28 @@ PlayerSAO* Server::emergePlayer(const char *name, u16 peer_id, u16 proto_version
        return playersao;
 }
 
+bool Server::registerModStorage(ModMetadata *storage)
+{
+       if (m_mod_storages.find(storage->getModName()) != m_mod_storages.end()) {
+               errorstream << "Unable to register same mod storage twice. Storage name: "
+                               << storage->getModName() << std::endl;
+               return false;
+       }
+
+       m_mod_storages[storage->getModName()] = storage;
+       return true;
+}
+
+void Server::unregisterModStorage(const std::string &name)
+{
+       UNORDERED_MAP<std::string, ModMetadata *>::const_iterator it = m_mod_storages.find(name);
+       if (it != m_mod_storages.end()) {
+               // Save unconditionaly on unregistration
+               it->second->save(getModStoragePath());
+               m_mod_storages.erase(name);
+       }
+}
+
 void dedicated_server_loop(Server &server, bool &kill)
 {
        DSTACK(FUNCTION_NAME);
@@ -3507,15 +3700,8 @@ void dedicated_server_loop(Server &server, bool &kill)
                }
                server.step(steplen);
 
-               if(server.getShutdownRequested() || kill)
-               {
-                       infostream<<"Dedicated server quitting"<<std::endl;
-#if USE_CURL
-                       if(g_settings->getBool("server_announce"))
-                               ServerList::sendAnnounce("delete", server.m_bind_addr.getPort());
-#endif
+               if (server.getShutdownRequested() || kill)
                        break;
-               }
 
                /*
                        Profiler
@@ -3529,4 +3715,11 @@ void dedicated_server_loop(Server &server, bool &kill)
                        }
                }
        }
+
+       infostream << "Dedicated server quitting" << std::endl;
+#if USE_CURL
+       if (g_settings->getBool("server_announce"))
+               ServerList::sendAnnounce(ServerList::AA_DELETE,
+                       server.m_bind_addr.getPort());
+#endif
 }