3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 #include <IFileSystem.h>
26 #include "network/clientopcodes.h"
27 #include "network/connection.h"
28 #include "network/networkpacket.h"
29 #include "threading/mutex_auto_lock.h"
30 #include "client/clientevent.h"
31 #include "client/gameui.h"
32 #include "client/renderingengine.h"
33 #include "client/sound.h"
34 #include "client/tile.h"
35 #include "util/auth.h"
36 #include "util/directiontables.h"
37 #include "util/pointedthing.h"
38 #include "util/serialize.h"
39 #include "util/string.h"
42 #include "mapblock_mesh.h"
45 #include "modchannels.h"
46 #include "content/mods.h"
50 #include "clientmap.h"
51 #include "clientmedia.h"
53 #include "database/database-sqlite3.h"
54 #include "serialization.h"
55 #include "guiscalingfilter.h"
56 #include "script/scripting_client.h"
58 #include "chatmessage.h"
59 #include "translation.h"
61 extern gui::IGUIEnvironment* guienv;
68 const char *playername,
69 const std::string &password,
70 const std::string &address_name,
71 MapDrawControl &control,
72 IWritableTextureSource *tsrc,
73 IWritableShaderSource *shsrc,
74 IWritableItemDefManager *itemdef,
75 NodeDefManager *nodedef,
77 MtEventManager *event,
87 m_mesh_update_thread(this),
89 new ClientMap(this, control, 666),
92 m_particle_manager(&m_env),
93 m_con(new con::Connection(PROTOCOL_ID, 512, CONNECTION_TIMEOUT, ipv6, this)),
94 m_address_name(address_name),
95 m_server_ser_ver(SER_FMT_VER_INVALID),
96 m_last_chat_message_sent(time(NULL)),
98 m_chosen_auth_mech(AUTH_MECHANISM_NONE),
99 m_media_downloader(new ClientMediaDownloader()),
102 m_modchannel_mgr(new ModChannelMgr())
105 m_env.setLocalPlayer(new LocalPlayer(this, playername));
107 if (g_settings->getBool("enable_minimap")) {
108 m_minimap = new Minimap(this);
110 m_cache_save_interval = g_settings->getU16("server_map_save_interval");
112 m_modding_enabled = g_settings->getBool("enable_client_modding");
113 // Only create the client script environment if client scripting is enabled by the
115 if (m_modding_enabled) {
116 m_script = new ClientScripting(this);
117 m_env.setScript(m_script);
118 m_script->setEnv(&m_env);
122 void Client::loadMods()
124 // Don't load mods twice.
125 // If client scripting is disabled by the client, don't load builtin or
126 // client-provided mods.
127 if (m_mods_loaded || !m_modding_enabled) {
131 // If client scripting is disabled by the server, don't load builtin or
132 // client-provided mods.
133 // TODO Delete this code block when server-sent CSM and verifying of builtin are
135 if (checkCSMRestrictionFlag(CSMRestrictionFlags::CSM_RF_LOAD_CLIENT_MODS)) {
136 warningstream << "Client-provided mod loading is disabled by server." <<
138 // This line is needed because builtin is not loaded
139 m_modding_enabled = false;
144 scanModIntoMemory(BUILTIN_MOD_NAME, getBuiltinLuaPath());
145 m_script->loadModFromMemory(BUILTIN_MOD_NAME);
147 // TODO Uncomment when server-sent CSM and verifying of builtin are complete
149 // Don't load client-provided mods if disabled by server
150 if (checkCSMRestrictionFlag(CSMRestrictionFlags::CSM_RF_LOAD_CLIENT_MODS)) {
151 warningstream << "Client-provided mod loading is disabled by server." <<
153 // If builtin integrity is wrong, disconnect user
154 if (!checkBuiltinIntegrity()) {
155 // TODO disconnect user
161 ClientModConfiguration modconf(getClientModsLuaPath());
162 m_mods = modconf.getMods();
163 // complain about mods with unsatisfied dependencies
164 if (!modconf.isConsistent()) {
165 modconf.printUnsatisfiedModsError();
169 infostream << "Client loading mods: ";
170 for (const ModSpec &mod : m_mods)
171 infostream << mod.name << " ";
172 infostream << std::endl;
174 // Load and run "mod" scripts
175 for (const ModSpec &mod : m_mods) {
176 if (!string_allowed(mod.name, MODNAME_ALLOWED_CHARS)) {
177 throw ModError("Error loading mod \"" + mod.name +
178 "\": Mod name does not follow naming conventions: "
179 "Only characters [a-z0-9_] are allowed.");
181 scanModIntoMemory(mod.name, mod.path);
184 // Load and run "mod" scripts
185 for (const ModSpec &mod : m_mods)
186 m_script->loadModFromMemory(mod.name);
188 // Run a callback when mods are loaded
189 m_script->on_mods_loaded();
190 m_mods_loaded = true;
193 bool Client::checkBuiltinIntegrity()
199 void Client::scanModSubfolder(const std::string &mod_name, const std::string &mod_path,
200 std::string mod_subpath)
202 std::string full_path = mod_path + DIR_DELIM + mod_subpath;
203 std::vector<fs::DirListNode> mod = fs::GetDirListing(full_path);
204 for (const fs::DirListNode &j : mod) {
205 std::string filename = j.name;
207 scanModSubfolder(mod_name, mod_path, mod_subpath
208 + filename + DIR_DELIM);
211 std::replace( mod_subpath.begin(), mod_subpath.end(), DIR_DELIM_CHAR, '/');
212 m_mod_files[mod_name + ":" + mod_subpath + filename] = full_path + filename;
216 const std::string &Client::getBuiltinLuaPath()
218 static const std::string builtin_dir = porting::path_share + DIR_DELIM + "builtin";
222 const std::string &Client::getClientModsLuaPath()
224 static const std::string clientmods_dir = porting::path_share + DIR_DELIM + "clientmods";
225 return clientmods_dir;
228 const std::vector<ModSpec>& Client::getMods() const
230 static std::vector<ModSpec> client_modspec_temp;
231 return client_modspec_temp;
234 const ModSpec* Client::getModSpec(const std::string &modname) const
242 if (m_modding_enabled)
243 m_script->on_shutdown();
244 //request all client managed threads to stop
245 m_mesh_update_thread.stop();
246 // Save local server map
248 infostream << "Local map saving ended." << std::endl;
249 m_localdb->endSave();
252 if (m_modding_enabled)
256 bool Client::isShutdown()
258 return m_shutdown || !m_mesh_update_thread.isRunning();
268 m_mesh_update_thread.stop();
269 m_mesh_update_thread.wait();
270 while (!m_mesh_update_thread.m_queue_out.empty()) {
271 MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_frontNoEx();
276 delete m_inventory_from_server;
278 // Delete detached inventories
279 for (auto &m_detached_inventorie : m_detached_inventories) {
280 delete m_detached_inventorie.second;
283 // cleanup 3d model meshes on client shutdown
284 while (RenderingEngine::get_mesh_cache()->getMeshCount() != 0) {
285 scene::IAnimatedMesh *mesh = RenderingEngine::get_mesh_cache()->getMeshByIndex(0);
288 RenderingEngine::get_mesh_cache()->removeMesh(mesh);
292 delete m_media_downloader;
295 void Client::connect(Address address, bool is_local_server)
297 initLocalMapSaving(address, m_address_name, is_local_server);
299 m_con->SetTimeoutMs(0);
300 m_con->Connect(address);
303 void Client::step(float dtime)
309 m_animation_time += dtime;
310 if(m_animation_time > 60.0)
311 m_animation_time -= 60.0;
313 m_time_of_day_update_timer += dtime;
321 float &counter = m_packetcounter_timer;
327 infostream << "Client packetcounter (" << m_packetcounter_timer
329 m_packetcounter.print(infostream);
330 m_packetcounter.clear();
334 // UGLY hack to fix 2 second startup delay caused by non existent
335 // server client startup synchronization in local server or singleplayer mode
336 static bool initial_step = true;
338 initial_step = false;
340 else if(m_state == LC_Created) {
341 if (m_is_registration_confirmation_state) {
342 // Waiting confirmation
345 float &counter = m_connection_reinit_timer;
350 LocalPlayer *myplayer = m_env.getLocalPlayer();
351 FATAL_ERROR_IF(myplayer == NULL, "Local player not found in environment.");
353 sendInit(myplayer->getName());
356 // Not connected, return
361 Do stuff if connected
365 Run Map's timers and unload unused data
367 const float map_timer_and_unload_dtime = 5.25;
368 if(m_map_timer_and_unload_interval.step(dtime, map_timer_and_unload_dtime)) {
369 std::vector<v3s16> deleted_blocks;
370 m_env.getMap().timerUpdate(map_timer_and_unload_dtime,
371 g_settings->getFloat("client_unload_unused_data_timeout"),
372 g_settings->getS32("client_mapblock_limit"),
377 NOTE: This loop is intentionally iterated the way it is.
380 std::vector<v3s16>::iterator i = deleted_blocks.begin();
381 std::vector<v3s16> sendlist;
383 if(sendlist.size() == 255 || i == deleted_blocks.end()) {
394 sendDeletedBlocks(sendlist);
396 if(i == deleted_blocks.end())
402 sendlist.push_back(*i);
408 Send pending messages on out chat queue
410 if (!m_out_chat_queue.empty() && canSendChatMessage()) {
411 sendChatMessage(m_out_chat_queue.front());
412 m_out_chat_queue.pop();
418 // Control local player (0ms)
419 LocalPlayer *player = m_env.getLocalPlayer();
421 player->applyControl(dtime, &m_env);
425 m_sound->step(dtime);
430 while (m_env.hasClientEnvEvents()) {
431 ClientEnvEvent envEvent = m_env.getClientEnvEvent();
433 if (envEvent.type == CEE_PLAYER_DAMAGE) {
434 u16 damage = envEvent.player_damage.amount;
436 if (envEvent.player_damage.send_to_server)
439 // Add to ClientEvent queue
440 ClientEvent *event = new ClientEvent();
441 event->type = CE_PLAYER_DAMAGE;
442 event->player_damage.amount = damage;
443 m_client_event_queue.push(event);
450 float &counter = m_avg_rtt_timer;
454 // connectedAndInitialized() is true, peer exists.
455 float avg_rtt = getRTT();
456 infostream << "Client: avg_rtt=" << avg_rtt << std::endl;
460 Send player position to server
463 float &counter = m_playerpos_send_timer;
465 if((m_state == LC_Ready) && (counter >= m_recommended_send_interval))
473 Replace updated meshes
476 int num_processed_meshes = 0;
477 std::vector<v3s16> blocks_to_ack;
478 while (!m_mesh_update_thread.m_queue_out.empty())
480 num_processed_meshes++;
482 MinimapMapblock *minimap_mapblock = NULL;
483 bool do_mapper_update = true;
485 MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_frontNoEx();
486 MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(r.p);
488 // Delete the old mesh
490 block->mesh = nullptr;
493 minimap_mapblock = r.mesh->moveMinimapMapblock();
494 if (minimap_mapblock == NULL)
495 do_mapper_update = false;
497 bool is_empty = true;
498 for (int l = 0; l < MAX_TILE_LAYERS; l++)
499 if (r.mesh->getMesh(l)->getMeshBufferCount() != 0)
505 // Replace with the new mesh
506 block->mesh = r.mesh;
512 if (m_minimap && do_mapper_update)
513 m_minimap->addBlock(r.p, minimap_mapblock);
515 if (r.ack_block_to_server) {
516 if (blocks_to_ack.size() == 255) {
517 sendGotBlocks(blocks_to_ack);
518 blocks_to_ack.clear();
521 blocks_to_ack.emplace_back(r.p);
524 if (blocks_to_ack.size() > 0) {
525 // Acknowledge block(s)
526 sendGotBlocks(blocks_to_ack);
529 if (num_processed_meshes > 0)
530 g_profiler->graphAdd("num_processed_meshes", num_processed_meshes);
536 if (m_media_downloader && m_media_downloader->isStarted()) {
537 m_media_downloader->step(this);
538 if (m_media_downloader->isDone()) {
539 delete m_media_downloader;
540 m_media_downloader = NULL;
545 If the server didn't update the inventory in a while, revert
546 the local inventory (so the player notices the lag problem
547 and knows something is wrong).
549 if (m_inventory_from_server) {
550 float interval = 10.0f;
551 float count_before = std::floor(m_inventory_from_server_age / interval);
553 m_inventory_from_server_age += dtime;
555 float count_after = std::floor(m_inventory_from_server_age / interval);
557 if (count_after != count_before) {
558 // Do this every <interval> seconds after TOCLIENT_INVENTORY
559 // Reset the locally changed inventory to the authoritative inventory
560 m_env.getLocalPlayer()->inventory = *m_inventory_from_server;
561 m_inventory_updated = true;
566 Update positions of sounds attached to objects
569 for (auto &m_sounds_to_object : m_sounds_to_objects) {
570 int client_id = m_sounds_to_object.first;
571 u16 object_id = m_sounds_to_object.second;
572 ClientActiveObject *cao = m_env.getActiveObject(object_id);
575 m_sound->updateSoundPosition(client_id, cao->getPosition());
580 Handle removed remotely initiated sounds
582 m_removed_sounds_check_timer += dtime;
583 if(m_removed_sounds_check_timer >= 2.32) {
584 m_removed_sounds_check_timer = 0;
585 // Find removed sounds and clear references to them
586 std::vector<s32> removed_server_ids;
587 for (std::unordered_map<s32, int>::iterator i = m_sounds_server_to_client.begin();
588 i != m_sounds_server_to_client.end();) {
589 s32 server_id = i->first;
590 int client_id = i->second;
592 if(!m_sound->soundExists(client_id)) {
593 m_sounds_server_to_client.erase(server_id);
594 m_sounds_client_to_server.erase(client_id);
595 m_sounds_to_objects.erase(client_id);
596 removed_server_ids.push_back(server_id);
601 if(!removed_server_ids.empty()) {
602 sendRemovedSounds(removed_server_ids);
606 m_mod_storage_save_timer -= dtime;
607 if (m_mod_storage_save_timer <= 0.0f) {
608 verbosestream << "Saving registered mod storages." << std::endl;
609 m_mod_storage_save_timer = g_settings->getFloat("server_map_save_interval");
610 for (std::unordered_map<std::string, ModMetadata *>::const_iterator
611 it = m_mod_storages.begin(); it != m_mod_storages.end(); ++it) {
612 if (it->second->isModified()) {
613 it->second->save(getModStoragePath());
619 if (m_localdb && m_localdb_save_interval.step(dtime,
620 m_cache_save_interval)) {
621 m_localdb->endSave();
622 m_localdb->beginSave();
626 bool Client::loadMedia(const std::string &data, const std::string &filename)
628 // Silly irrlicht's const-incorrectness
629 Buffer<char> data_rw(data.c_str(), data.size());
633 const char *image_ext[] = {
634 ".png", ".jpg", ".bmp", ".tga",
635 ".pcx", ".ppm", ".psd", ".wal", ".rgb",
638 name = removeStringEnd(filename, image_ext);
640 verbosestream<<"Client: Attempting to load image "
641 <<"file \""<<filename<<"\""<<std::endl;
643 io::IFileSystem *irrfs = RenderingEngine::get_filesystem();
644 video::IVideoDriver *vdrv = RenderingEngine::get_video_driver();
646 // Create an irrlicht memory file
647 io::IReadFile *rfile = irrfs->createMemoryReadFile(
648 *data_rw, data_rw.getSize(), "_tempreadfile");
650 FATAL_ERROR_IF(!rfile, "Could not create irrlicht memory file.");
653 video::IImage *img = vdrv->createImageFromFile(rfile);
655 errorstream<<"Client: Cannot create image from data of "
656 <<"file \""<<filename<<"\""<<std::endl;
661 m_tsrc->insertSourceImage(filename, img);
667 const char *sound_ext[] = {
668 ".0.ogg", ".1.ogg", ".2.ogg", ".3.ogg", ".4.ogg",
669 ".5.ogg", ".6.ogg", ".7.ogg", ".8.ogg", ".9.ogg",
672 name = removeStringEnd(filename, sound_ext);
674 verbosestream<<"Client: Attempting to load sound "
675 <<"file \""<<filename<<"\""<<std::endl;
676 m_sound->loadSoundData(name, data);
680 const char *model_ext[] = {
681 ".x", ".b3d", ".md2", ".obj",
685 name = removeStringEnd(filename, model_ext);
687 verbosestream<<"Client: Storing model into memory: "
688 <<"\""<<filename<<"\""<<std::endl;
689 if(m_mesh_data.count(filename))
690 errorstream<<"Multiple models with name \""<<filename.c_str()
691 <<"\" found; replacing previous model"<<std::endl;
692 m_mesh_data[filename] = data;
696 const char *translate_ext[] = {
699 name = removeStringEnd(filename, translate_ext);
701 verbosestream << "Client: Loading translation: "
702 << "\"" << filename << "\"" << std::endl;
703 g_translations->loadTranslation(data);
707 errorstream << "Client: Don't know how to load file \""
708 << filename << "\"" << std::endl;
712 // Virtual methods from con::PeerHandler
713 void Client::peerAdded(con::Peer *peer)
715 infostream << "Client::peerAdded(): peer->id="
716 << peer->id << std::endl;
718 void Client::deletingPeer(con::Peer *peer, bool timeout)
720 infostream << "Client::deletingPeer(): "
721 "Server Peer is getting deleted "
722 << "(timeout=" << timeout << ")" << std::endl;
725 m_access_denied = true;
726 m_access_denied_reason = gettext("Connection timed out.");
732 u16 number of files requested
738 void Client::request_media(const std::vector<std::string> &file_requests)
740 std::ostringstream os(std::ios_base::binary);
741 writeU16(os, TOSERVER_REQUEST_MEDIA);
742 size_t file_requests_size = file_requests.size();
744 FATAL_ERROR_IF(file_requests_size > 0xFFFF, "Unsupported number of file requests");
746 // Packet dynamicly resized
747 NetworkPacket pkt(TOSERVER_REQUEST_MEDIA, 2 + 0);
749 pkt << (u16) (file_requests_size & 0xFFFF);
751 for (const std::string &file_request : file_requests) {
757 infostream << "Client: Sending media request list to server ("
758 << file_requests.size() << " files. packet size)" << std::endl;
761 void Client::initLocalMapSaving(const Address &address,
762 const std::string &hostname,
763 bool is_local_server)
765 if (!g_settings->getBool("enable_local_map_saving") || is_local_server) {
769 const std::string world_path = porting::path_user
770 + DIR_DELIM + "worlds"
771 + DIR_DELIM + "server_"
772 + hostname + "_" + std::to_string(address.getPort());
774 fs::CreateAllDirs(world_path);
776 m_localdb = new MapDatabaseSQLite3(world_path);
777 m_localdb->beginSave();
778 actionstream << "Local map saving started, map will be saved at '" << world_path << "'" << std::endl;
781 void Client::ReceiveAll()
783 u64 start_ms = porting::getTimeMs();
786 // Limit time even if there would be huge amounts of data to
788 if(porting::getTimeMs() > start_ms + 100)
793 g_profiler->graphAdd("client_received_packets", 1);
795 catch(con::NoIncomingDataException &e) {
798 catch(con::InvalidIncomingDataException &e) {
799 infostream<<"Client::ReceiveAll(): "
800 "InvalidIncomingDataException: what()="
801 <<e.what()<<std::endl;
806 void Client::Receive()
809 m_con->Receive(&pkt);
813 inline void Client::handleCommand(NetworkPacket* pkt)
815 const ToClientCommandHandler& opHandle = toClientCommandTable[pkt->getCommand()];
816 (this->*opHandle.handler)(pkt);
820 sender_peer_id given to this shall be quaranteed to be a valid peer
822 void Client::ProcessData(NetworkPacket *pkt)
824 ToClientCommand command = (ToClientCommand) pkt->getCommand();
825 u32 sender_peer_id = pkt->getPeerId();
827 //infostream<<"Client: received command="<<command<<std::endl;
828 m_packetcounter.add((u16)command);
831 If this check is removed, be sure to change the queue
832 system to know the ids
834 if(sender_peer_id != PEER_ID_SERVER) {
835 infostream << "Client::ProcessData(): Discarding data not "
836 "coming from server: peer_id=" << sender_peer_id
841 // Command must be handled into ToClientCommandHandler
842 if (command >= TOCLIENT_NUM_MSG_TYPES) {
843 infostream << "Client: Ignoring unknown command "
844 << command << std::endl;
849 * Those packets are handled before m_server_ser_ver is set, it's normal
850 * But we must use the new ToClientConnectionState in the future,
853 if(toClientCommandTable[command].state == TOCLIENT_STATE_NOT_CONNECTED) {
858 if(m_server_ser_ver == SER_FMT_VER_INVALID) {
859 infostream << "Client: Server serialization"
860 " format invalid or not initialized."
861 " Skipping incoming command=" << command << std::endl;
866 Handle runtime commands
872 void Client::Send(NetworkPacket* pkt)
874 m_con->Send(PEER_ID_SERVER,
875 serverCommandFactoryTable[pkt->getCommand()].channel,
877 serverCommandFactoryTable[pkt->getCommand()].reliable);
880 // Will fill up 12 + 12 + 4 + 4 + 4 bytes
881 void writePlayerPos(LocalPlayer *myplayer, ClientMap *clientMap, NetworkPacket *pkt)
883 v3f pf = myplayer->getPosition() * 100;
884 v3f sf = myplayer->getSpeed() * 100;
885 s32 pitch = myplayer->getPitch() * 100;
886 s32 yaw = myplayer->getYaw() * 100;
887 u32 keyPressed = myplayer->keyPressed;
888 // scaled by 80, so that pi can fit into a u8
889 u8 fov = clientMap->getCameraFov() * 80;
890 u8 wanted_range = MYMIN(255,
891 std::ceil(clientMap->getControl().wanted_range / MAP_BLOCKSIZE));
893 v3s32 position(pf.X, pf.Y, pf.Z);
894 v3s32 speed(sf.X, sf.Y, sf.Z);
898 [0] v3s32 position*100
900 [12+12] s32 pitch*100
901 [12+12+4] s32 yaw*100
902 [12+12+4+4] u32 keyPressed
903 [12+12+4+4+4] u8 fov*80
904 [12+12+4+4+4+1] u8 ceil(wanted_range / MAP_BLOCKSIZE)
906 *pkt << position << speed << pitch << yaw << keyPressed;
907 *pkt << fov << wanted_range;
910 void Client::interact(InteractAction action, const PointedThing& pointed)
912 if(m_state != LC_Ready) {
913 errorstream << "Client::interact() "
914 "Canceled (not connected)"
919 LocalPlayer *myplayer = m_env.getLocalPlayer();
920 if (myplayer == NULL)
927 [5] u32 length of the next item (plen)
928 [9] serialized PointedThing
929 [9 + plen] player position information
932 NetworkPacket pkt(TOSERVER_INTERACT, 1 + 2 + 0);
935 pkt << myplayer->getWieldIndex();
937 std::ostringstream tmp_os(std::ios::binary);
938 pointed.serialize(tmp_os);
940 pkt.putLongString(tmp_os.str());
942 writePlayerPos(myplayer, &m_env.getClientMap(), &pkt);
947 void Client::deleteAuthData()
952 switch (m_chosen_auth_mech) {
953 case AUTH_MECHANISM_FIRST_SRP:
955 case AUTH_MECHANISM_SRP:
956 case AUTH_MECHANISM_LEGACY_PASSWORD:
957 srp_user_delete((SRPUser *) m_auth_data);
960 case AUTH_MECHANISM_NONE:
963 m_chosen_auth_mech = AUTH_MECHANISM_NONE;
967 AuthMechanism Client::choseAuthMech(const u32 mechs)
969 if (mechs & AUTH_MECHANISM_SRP)
970 return AUTH_MECHANISM_SRP;
972 if (mechs & AUTH_MECHANISM_FIRST_SRP)
973 return AUTH_MECHANISM_FIRST_SRP;
975 if (mechs & AUTH_MECHANISM_LEGACY_PASSWORD)
976 return AUTH_MECHANISM_LEGACY_PASSWORD;
978 return AUTH_MECHANISM_NONE;
981 void Client::sendInit(const std::string &playerName)
983 NetworkPacket pkt(TOSERVER_INIT, 1 + 2 + 2 + (1 + playerName.size()));
985 // we don't support network compression yet
986 u16 supp_comp_modes = NETPROTO_COMPRESSION_NONE;
988 pkt << (u8) SER_FMT_VER_HIGHEST_READ << (u16) supp_comp_modes;
989 pkt << (u16) CLIENT_PROTOCOL_VERSION_MIN << (u16) CLIENT_PROTOCOL_VERSION_MAX;
995 void Client::promptConfirmRegistration(AuthMechanism chosen_auth_mechanism)
997 m_chosen_auth_mech = chosen_auth_mechanism;
998 m_is_registration_confirmation_state = true;
1001 void Client::confirmRegistration()
1003 m_is_registration_confirmation_state = false;
1004 startAuth(m_chosen_auth_mech);
1007 void Client::startAuth(AuthMechanism chosen_auth_mechanism)
1009 m_chosen_auth_mech = chosen_auth_mechanism;
1011 switch (chosen_auth_mechanism) {
1012 case AUTH_MECHANISM_FIRST_SRP: {
1013 // send srp verifier to server
1014 std::string verifier;
1016 generate_srp_verifier_and_salt(getPlayerName(), m_password,
1019 NetworkPacket resp_pkt(TOSERVER_FIRST_SRP, 0);
1020 resp_pkt << salt << verifier << (u8)((m_password.empty()) ? 1 : 0);
1025 case AUTH_MECHANISM_SRP:
1026 case AUTH_MECHANISM_LEGACY_PASSWORD: {
1029 if (chosen_auth_mechanism == AUTH_MECHANISM_LEGACY_PASSWORD) {
1030 m_password = translate_password(getPlayerName(), m_password);
1034 std::string playername_u = lowercase(getPlayerName());
1035 m_auth_data = srp_user_new(SRP_SHA256, SRP_NG_2048,
1036 getPlayerName().c_str(), playername_u.c_str(),
1037 (const unsigned char *) m_password.c_str(),
1038 m_password.length(), NULL, NULL);
1041 SRP_Result res = srp_user_start_authentication(
1042 (struct SRPUser *) m_auth_data, NULL, NULL, 0,
1043 (unsigned char **) &bytes_A, &len_A);
1044 FATAL_ERROR_IF(res != SRP_OK, "Creating local SRP user failed.");
1046 NetworkPacket resp_pkt(TOSERVER_SRP_BYTES_A, 0);
1047 resp_pkt << std::string(bytes_A, len_A) << based_on;
1051 case AUTH_MECHANISM_NONE:
1052 break; // not handled in this method
1056 void Client::sendDeletedBlocks(std::vector<v3s16> &blocks)
1058 NetworkPacket pkt(TOSERVER_DELETEDBLOCKS, 1 + sizeof(v3s16) * blocks.size());
1060 pkt << (u8) blocks.size();
1062 for (const v3s16 &block : blocks) {
1069 void Client::sendGotBlocks(const std::vector<v3s16> &blocks)
1071 NetworkPacket pkt(TOSERVER_GOTBLOCKS, 1 + 6 * blocks.size());
1072 pkt << (u8) blocks.size();
1073 for (const v3s16 &block : blocks)
1079 void Client::sendRemovedSounds(std::vector<s32> &soundList)
1081 size_t server_ids = soundList.size();
1082 assert(server_ids <= 0xFFFF);
1084 NetworkPacket pkt(TOSERVER_REMOVED_SOUNDS, 2 + server_ids * 4);
1086 pkt << (u16) (server_ids & 0xFFFF);
1088 for (int sound_id : soundList)
1094 void Client::sendNodemetaFields(v3s16 p, const std::string &formname,
1095 const StringMap &fields)
1097 size_t fields_size = fields.size();
1099 FATAL_ERROR_IF(fields_size > 0xFFFF, "Unsupported number of nodemeta fields");
1101 NetworkPacket pkt(TOSERVER_NODEMETA_FIELDS, 0);
1103 pkt << p << formname << (u16) (fields_size & 0xFFFF);
1105 StringMap::const_iterator it;
1106 for (it = fields.begin(); it != fields.end(); ++it) {
1107 const std::string &name = it->first;
1108 const std::string &value = it->second;
1110 pkt.putLongString(value);
1116 void Client::sendInventoryFields(const std::string &formname,
1117 const StringMap &fields)
1119 size_t fields_size = fields.size();
1120 FATAL_ERROR_IF(fields_size > 0xFFFF, "Unsupported number of inventory fields");
1122 NetworkPacket pkt(TOSERVER_INVENTORY_FIELDS, 0);
1123 pkt << formname << (u16) (fields_size & 0xFFFF);
1125 StringMap::const_iterator it;
1126 for (it = fields.begin(); it != fields.end(); ++it) {
1127 const std::string &name = it->first;
1128 const std::string &value = it->second;
1130 pkt.putLongString(value);
1136 void Client::sendInventoryAction(InventoryAction *a)
1138 std::ostringstream os(std::ios_base::binary);
1143 std::string s = os.str();
1145 NetworkPacket pkt(TOSERVER_INVENTORY_ACTION, s.size());
1146 pkt.putRawString(s.c_str(),s.size());
1151 bool Client::canSendChatMessage() const
1153 u32 now = time(NULL);
1154 float time_passed = now - m_last_chat_message_sent;
1156 float virt_chat_message_allowance = m_chat_message_allowance + time_passed *
1157 (CLIENT_CHAT_MESSAGE_LIMIT_PER_10S / 8.0f);
1159 if (virt_chat_message_allowance < 1.0f)
1165 void Client::sendChatMessage(const std::wstring &message)
1167 const s16 max_queue_size = g_settings->getS16("max_out_chat_queue_size");
1168 if (canSendChatMessage()) {
1169 u32 now = time(NULL);
1170 float time_passed = now - m_last_chat_message_sent;
1171 m_last_chat_message_sent = time(NULL);
1173 m_chat_message_allowance += time_passed * (CLIENT_CHAT_MESSAGE_LIMIT_PER_10S / 8.0f);
1174 if (m_chat_message_allowance > CLIENT_CHAT_MESSAGE_LIMIT_PER_10S)
1175 m_chat_message_allowance = CLIENT_CHAT_MESSAGE_LIMIT_PER_10S;
1177 m_chat_message_allowance -= 1.0f;
1179 NetworkPacket pkt(TOSERVER_CHAT_MESSAGE, 2 + message.size() * sizeof(u16));
1184 } else if (m_out_chat_queue.size() < (u16) max_queue_size || max_queue_size == -1) {
1185 m_out_chat_queue.push(message);
1187 infostream << "Could not queue chat message because maximum out chat queue size ("
1188 << max_queue_size << ") is reached." << std::endl;
1192 void Client::clearOutChatQueue()
1194 m_out_chat_queue = std::queue<std::wstring>();
1197 void Client::sendChangePassword(const std::string &oldpassword,
1198 const std::string &newpassword)
1200 LocalPlayer *player = m_env.getLocalPlayer();
1204 // get into sudo mode and then send new password to server
1205 m_password = oldpassword;
1206 m_new_password = newpassword;
1207 startAuth(choseAuthMech(m_sudo_auth_methods));
1211 void Client::sendDamage(u16 damage)
1213 NetworkPacket pkt(TOSERVER_DAMAGE, sizeof(u16));
1218 void Client::sendRespawn()
1220 NetworkPacket pkt(TOSERVER_RESPAWN, 0);
1224 void Client::sendReady()
1226 NetworkPacket pkt(TOSERVER_CLIENT_READY,
1227 1 + 1 + 1 + 1 + 2 + sizeof(char) * strlen(g_version_hash));
1229 pkt << (u8) VERSION_MAJOR << (u8) VERSION_MINOR << (u8) VERSION_PATCH
1230 << (u8) 0 << (u16) strlen(g_version_hash);
1232 pkt.putRawString(g_version_hash, (u16) strlen(g_version_hash));
1236 void Client::sendPlayerPos()
1238 LocalPlayer *myplayer = m_env.getLocalPlayer();
1242 ClientMap &map = m_env.getClientMap();
1244 u8 camera_fov = map.getCameraFov();
1245 u8 wanted_range = map.getControl().wanted_range;
1247 // Save bandwidth by only updating position when
1248 // player is not dead and something changed
1249 if (myplayer->isDead())
1252 if (myplayer->last_position == myplayer->getPosition() &&
1253 myplayer->last_speed == myplayer->getSpeed() &&
1254 myplayer->last_pitch == myplayer->getPitch() &&
1255 myplayer->last_yaw == myplayer->getYaw() &&
1256 myplayer->last_keyPressed == myplayer->keyPressed &&
1257 myplayer->last_camera_fov == camera_fov &&
1258 myplayer->last_wanted_range == wanted_range)
1261 myplayer->last_position = myplayer->getPosition();
1262 myplayer->last_speed = myplayer->getSpeed();
1263 myplayer->last_pitch = myplayer->getPitch();
1264 myplayer->last_yaw = myplayer->getYaw();
1265 myplayer->last_keyPressed = myplayer->keyPressed;
1266 myplayer->last_camera_fov = camera_fov;
1267 myplayer->last_wanted_range = wanted_range;
1269 NetworkPacket pkt(TOSERVER_PLAYERPOS, 12 + 12 + 4 + 4 + 4 + 1 + 1);
1271 writePlayerPos(myplayer, &map, &pkt);
1276 void Client::removeNode(v3s16 p)
1278 std::map<v3s16, MapBlock*> modified_blocks;
1281 m_env.getMap().removeNodeAndUpdate(p, modified_blocks);
1283 catch(InvalidPositionException &e) {
1286 for (const auto &modified_block : modified_blocks) {
1287 addUpdateMeshTaskWithEdge(modified_block.first, false, true);
1292 * Helper function for Client Side Modding
1293 * CSM restrictions are applied there, this should not be used for core engine
1295 * @param is_valid_position
1298 MapNode Client::getNode(v3s16 p, bool *is_valid_position)
1300 if (checkCSMRestrictionFlag(CSMRestrictionFlags::CSM_RF_LOOKUP_NODES)) {
1301 v3s16 ppos = floatToInt(m_env.getLocalPlayer()->getPosition(), BS);
1302 if ((u32) ppos.getDistanceFrom(p) > m_csm_restriction_noderange) {
1303 *is_valid_position = false;
1307 return m_env.getMap().getNode(p, is_valid_position);
1310 void Client::addNode(v3s16 p, MapNode n, bool remove_metadata)
1312 //TimeTaker timer1("Client::addNode()");
1314 std::map<v3s16, MapBlock*> modified_blocks;
1317 //TimeTaker timer3("Client::addNode(): addNodeAndUpdate");
1318 m_env.getMap().addNodeAndUpdate(p, n, modified_blocks, remove_metadata);
1320 catch(InvalidPositionException &e) {
1323 for (const auto &modified_block : modified_blocks) {
1324 addUpdateMeshTaskWithEdge(modified_block.first, false, true);
1328 void Client::setPlayerControl(PlayerControl &control)
1330 LocalPlayer *player = m_env.getLocalPlayer();
1332 player->control = control;
1335 void Client::setPlayerItem(u16 item)
1337 m_env.getLocalPlayer()->setWieldIndex(item);
1338 m_inventory_updated = true;
1340 NetworkPacket pkt(TOSERVER_PLAYERITEM, 2);
1345 // Returns true if the inventory of the local player has been
1346 // updated from the server. If it is true, it is set to false.
1347 bool Client::getLocalInventoryUpdated()
1349 bool updated = m_inventory_updated;
1350 m_inventory_updated = false;
1354 // Copies the inventory of the local player to parameter
1355 void Client::getLocalInventory(Inventory &dst)
1357 LocalPlayer *player = m_env.getLocalPlayer();
1359 dst = player->inventory;
1362 Inventory* Client::getInventory(const InventoryLocation &loc)
1365 case InventoryLocation::UNDEFINED:
1368 case InventoryLocation::CURRENT_PLAYER:
1370 LocalPlayer *player = m_env.getLocalPlayer();
1372 return &player->inventory;
1375 case InventoryLocation::PLAYER:
1377 // Check if we are working with local player inventory
1378 LocalPlayer *player = m_env.getLocalPlayer();
1379 if (!player || strcmp(player->getName(), loc.name.c_str()) != 0)
1381 return &player->inventory;
1384 case InventoryLocation::NODEMETA:
1386 NodeMetadata *meta = m_env.getMap().getNodeMetadata(loc.p);
1389 return meta->getInventory();
1392 case InventoryLocation::DETACHED:
1394 if (m_detached_inventories.count(loc.name) == 0)
1396 return m_detached_inventories[loc.name];
1400 FATAL_ERROR("Invalid inventory location type.");
1406 void Client::inventoryAction(InventoryAction *a)
1409 Send it to the server
1411 sendInventoryAction(a);
1414 Predict some local inventory changes
1416 a->clientApply(this, this);
1422 float Client::getAnimationTime()
1424 return m_animation_time;
1427 int Client::getCrackLevel()
1429 return m_crack_level;
1432 v3s16 Client::getCrackPos()
1437 void Client::setCrack(int level, v3s16 pos)
1439 int old_crack_level = m_crack_level;
1440 v3s16 old_crack_pos = m_crack_pos;
1442 m_crack_level = level;
1445 if(old_crack_level >= 0 && (level < 0 || pos != old_crack_pos))
1448 addUpdateMeshTaskForNode(old_crack_pos, false, true);
1450 if(level >= 0 && (old_crack_level < 0 || pos != old_crack_pos))
1453 addUpdateMeshTaskForNode(pos, false, true);
1459 LocalPlayer *player = m_env.getLocalPlayer();
1464 bool Client::getChatMessage(std::wstring &res)
1466 if (m_chat_queue.empty())
1469 ChatMessage *chatMessage = m_chat_queue.front();
1474 switch (chatMessage->type) {
1475 case CHATMESSAGE_TYPE_RAW:
1476 case CHATMESSAGE_TYPE_ANNOUNCE:
1477 case CHATMESSAGE_TYPE_SYSTEM:
1478 res = chatMessage->message;
1480 case CHATMESSAGE_TYPE_NORMAL: {
1481 if (!chatMessage->sender.empty())
1482 res = L"<" + chatMessage->sender + L"> " + chatMessage->message;
1484 res = chatMessage->message;
1495 void Client::typeChatMessage(const std::wstring &message)
1497 // Discard empty line
1498 if (message.empty())
1501 // If message was consumed by script API, don't send it to server
1502 if (m_modding_enabled && m_script->on_sending_message(wide_to_utf8(message)))
1506 sendChatMessage(message);
1509 void Client::addUpdateMeshTask(v3s16 p, bool ack_to_server, bool urgent)
1511 // Check if the block exists to begin with. In the case when a non-existing
1512 // neighbor is automatically added, it may not. In that case we don't want
1513 // to tell the mesh update thread about it.
1514 MapBlock *b = m_env.getMap().getBlockNoCreateNoEx(p);
1518 m_mesh_update_thread.updateBlock(&m_env.getMap(), p, ack_to_server, urgent);
1521 void Client::addUpdateMeshTaskWithEdge(v3s16 blockpos, bool ack_to_server, bool urgent)
1524 addUpdateMeshTask(blockpos, ack_to_server, urgent);
1526 catch(InvalidPositionException &e){}
1529 for (int i=0;i<6;i++)
1532 v3s16 p = blockpos + g_6dirs[i];
1533 addUpdateMeshTask(p, false, urgent);
1535 catch(InvalidPositionException &e){}
1539 void Client::addUpdateMeshTaskForNode(v3s16 nodepos, bool ack_to_server, bool urgent)
1543 infostream<<"Client::addUpdateMeshTaskForNode(): "
1544 <<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"
1548 v3s16 blockpos = getNodeBlockPos(nodepos);
1549 v3s16 blockpos_relative = blockpos * MAP_BLOCKSIZE;
1552 addUpdateMeshTask(blockpos, ack_to_server, urgent);
1554 catch(InvalidPositionException &e) {}
1557 if(nodepos.X == blockpos_relative.X){
1559 v3s16 p = blockpos + v3s16(-1,0,0);
1560 addUpdateMeshTask(p, false, urgent);
1562 catch(InvalidPositionException &e){}
1565 if(nodepos.Y == blockpos_relative.Y){
1567 v3s16 p = blockpos + v3s16(0,-1,0);
1568 addUpdateMeshTask(p, false, urgent);
1570 catch(InvalidPositionException &e){}
1573 if(nodepos.Z == blockpos_relative.Z){
1575 v3s16 p = blockpos + v3s16(0,0,-1);
1576 addUpdateMeshTask(p, false, urgent);
1578 catch(InvalidPositionException &e){}
1582 ClientEvent *Client::getClientEvent()
1584 FATAL_ERROR_IF(m_client_event_queue.empty(),
1585 "Cannot getClientEvent, queue is empty.");
1587 ClientEvent *event = m_client_event_queue.front();
1588 m_client_event_queue.pop();
1592 bool Client::connectedToServer()
1594 return m_con->Connected();
1597 const Address Client::getServerAddress()
1599 return m_con->GetPeerAddress(PEER_ID_SERVER);
1602 float Client::mediaReceiveProgress()
1604 if (m_media_downloader)
1605 return m_media_downloader->getProgress();
1607 return 1.0; // downloader only exists when not yet done
1610 typedef struct TextureUpdateArgs {
1611 gui::IGUIEnvironment *guienv;
1614 const wchar_t* text_base;
1615 ITextureSource *tsrc;
1616 } TextureUpdateArgs;
1618 void texture_update_progress(void *args, u32 progress, u32 max_progress)
1620 TextureUpdateArgs* targs = (TextureUpdateArgs*) args;
1621 u16 cur_percent = ceil(progress / (double) max_progress * 100.);
1623 // update the loading menu -- if neccessary
1624 bool do_draw = false;
1625 u64 time_ms = targs->last_time_ms;
1626 if (cur_percent != targs->last_percent) {
1627 targs->last_percent = cur_percent;
1628 time_ms = porting::getTimeMs();
1629 // only draw when the user will notice something:
1630 do_draw = (time_ms - targs->last_time_ms > 100);
1634 targs->last_time_ms = time_ms;
1635 std::basic_stringstream<wchar_t> strm;
1636 strm << targs->text_base << " " << targs->last_percent << "%...";
1637 RenderingEngine::draw_load_screen(strm.str(), targs->guienv, targs->tsrc, 0,
1638 72 + (u16) ((18. / 100.) * (double) targs->last_percent), true);
1642 void Client::afterContentReceived()
1644 infostream<<"Client::afterContentReceived() started"<<std::endl;
1645 assert(m_itemdef_received); // pre-condition
1646 assert(m_nodedef_received); // pre-condition
1647 assert(mediaReceived()); // pre-condition
1649 const wchar_t* text = wgettext("Loading textures...");
1651 // Clear cached pre-scaled 2D GUI images, as this cache
1652 // might have images with the same name but different
1653 // content from previous sessions.
1654 guiScalingCacheClear();
1656 // Rebuild inherited images and recreate textures
1657 infostream<<"- Rebuilding images and textures"<<std::endl;
1658 RenderingEngine::draw_load_screen(text, guienv, m_tsrc, 0, 70);
1659 m_tsrc->rebuildImagesAndTextures();
1663 infostream<<"- Rebuilding shaders"<<std::endl;
1664 text = wgettext("Rebuilding shaders...");
1665 RenderingEngine::draw_load_screen(text, guienv, m_tsrc, 0, 71);
1666 m_shsrc->rebuildShaders();
1669 // Update node aliases
1670 infostream<<"- Updating node aliases"<<std::endl;
1671 text = wgettext("Initializing nodes...");
1672 RenderingEngine::draw_load_screen(text, guienv, m_tsrc, 0, 72);
1673 m_nodedef->updateAliases(m_itemdef);
1674 for (const auto &path : getTextureDirs())
1675 m_nodedef->applyTextureOverrides(path + DIR_DELIM + "override.txt");
1676 m_nodedef->setNodeRegistrationStatus(true);
1677 m_nodedef->runNodeResolveCallbacks();
1680 // Update node textures and assign shaders to each tile
1681 infostream<<"- Updating node textures"<<std::endl;
1682 TextureUpdateArgs tu_args;
1683 tu_args.guienv = guienv;
1684 tu_args.last_time_ms = porting::getTimeMs();
1685 tu_args.last_percent = 0;
1686 tu_args.text_base = wgettext("Initializing nodes");
1687 tu_args.tsrc = m_tsrc;
1688 m_nodedef->updateTextures(this, texture_update_progress, &tu_args);
1689 delete[] tu_args.text_base;
1691 // Start mesh update thread after setting up content definitions
1692 infostream<<"- Starting mesh update thread"<<std::endl;
1693 m_mesh_update_thread.start();
1698 if (g_settings->getBool("enable_client_modding")) {
1699 m_script->on_client_ready(m_env.getLocalPlayer());
1702 text = wgettext("Done!");
1703 RenderingEngine::draw_load_screen(text, guienv, m_tsrc, 0, 100);
1704 infostream<<"Client::afterContentReceived() done"<<std::endl;
1708 float Client::getRTT()
1710 return m_con->getPeerStat(PEER_ID_SERVER,con::AVG_RTT);
1713 float Client::getCurRate()
1715 return (m_con->getLocalStat(con::CUR_INC_RATE) +
1716 m_con->getLocalStat(con::CUR_DL_RATE));
1719 void Client::makeScreenshot()
1721 irr::video::IVideoDriver *driver = RenderingEngine::get_video_driver();
1722 irr::video::IImage* const raw_image = driver->createScreenShot();
1727 time_t t = time(NULL);
1728 struct tm *tm = localtime(&t);
1730 char timetstamp_c[64];
1731 strftime(timetstamp_c, sizeof(timetstamp_c), "%Y%m%d_%H%M%S", tm);
1733 std::string filename_base = g_settings->get("screenshot_path")
1735 + std::string("screenshot_")
1736 + std::string(timetstamp_c);
1737 std::string filename_ext = "." + g_settings->get("screenshot_format");
1738 std::string filename;
1740 u32 quality = (u32)g_settings->getS32("screenshot_quality");
1741 quality = MYMIN(MYMAX(quality, 0), 100) / 100.0 * 255;
1743 // Try to find a unique filename
1744 unsigned serial = 0;
1746 while (serial < SCREENSHOT_MAX_SERIAL_TRIES) {
1747 filename = filename_base + (serial > 0 ? ("_" + itos(serial)) : "") + filename_ext;
1748 std::ifstream tmp(filename.c_str());
1750 break; // File did not apparently exist, we'll go with it
1754 if (serial == SCREENSHOT_MAX_SERIAL_TRIES) {
1755 infostream << "Could not find suitable filename for screenshot" << std::endl;
1757 irr::video::IImage* const image =
1758 driver->createImage(video::ECF_R8G8B8, raw_image->getDimension());
1761 raw_image->copyTo(image);
1763 std::ostringstream sstr;
1764 if (driver->writeImageToFile(image, filename.c_str(), quality)) {
1765 sstr << "Saved screenshot to '" << filename << "'";
1767 sstr << "Failed to save screenshot '" << filename << "'";
1769 pushToChatQueue(new ChatMessage(CHATMESSAGE_TYPE_SYSTEM,
1770 narrow_to_wide(sstr.str())));
1771 infostream << sstr.str() << std::endl;
1779 bool Client::shouldShowMinimap() const
1781 return !m_minimap_disabled_by_server;
1784 void Client::pushToEventQueue(ClientEvent *event)
1786 m_client_event_queue.push(event);
1789 void Client::showMinimap(const bool show)
1791 m_game_ui->showMinimap(show);
1794 // IGameDef interface
1796 IItemDefManager* Client::getItemDefManager()
1800 const NodeDefManager* Client::getNodeDefManager()
1804 ICraftDefManager* Client::getCraftDefManager()
1807 //return m_craftdef;
1809 ITextureSource* Client::getTextureSource()
1813 IShaderSource* Client::getShaderSource()
1818 u16 Client::allocateUnknownNodeId(const std::string &name)
1820 errorstream << "Client::allocateUnknownNodeId(): "
1821 << "Client cannot allocate node IDs" << std::endl;
1822 FATAL_ERROR("Client allocated unknown node");
1824 return CONTENT_IGNORE;
1826 ISoundManager* Client::getSoundManager()
1830 MtEventManager* Client::getEventManager()
1835 ParticleManager* Client::getParticleManager()
1837 return &m_particle_manager;
1840 scene::IAnimatedMesh* Client::getMesh(const std::string &filename, bool cache)
1842 StringMap::const_iterator it = m_mesh_data.find(filename);
1843 if (it == m_mesh_data.end()) {
1844 errorstream << "Client::getMesh(): Mesh not found: \"" << filename
1845 << "\"" << std::endl;
1848 const std::string &data = it->second;
1850 // Create the mesh, remove it from cache and return it
1851 // This allows unique vertex colors and other properties for each instance
1852 Buffer<char> data_rw(data.c_str(), data.size()); // Const-incorrect Irrlicht
1853 io::IReadFile *rfile = RenderingEngine::get_filesystem()->createMemoryReadFile(
1854 *data_rw, data_rw.getSize(), filename.c_str());
1855 FATAL_ERROR_IF(!rfile, "Could not create/open RAM file");
1857 scene::IAnimatedMesh *mesh = RenderingEngine::get_scene_manager()->getMesh(rfile);
1861 RenderingEngine::get_mesh_cache()->removeMesh(mesh);
1865 const std::string* Client::getModFile(const std::string &filename)
1867 StringMap::const_iterator it = m_mod_files.find(filename);
1868 if (it == m_mod_files.end()) {
1869 errorstream << "Client::getModFile(): File not found: \"" << filename
1870 << "\"" << std::endl;
1876 bool Client::registerModStorage(ModMetadata *storage)
1878 if (m_mod_storages.find(storage->getModName()) != m_mod_storages.end()) {
1879 errorstream << "Unable to register same mod storage twice. Storage name: "
1880 << storage->getModName() << std::endl;
1884 m_mod_storages[storage->getModName()] = storage;
1888 void Client::unregisterModStorage(const std::string &name)
1890 std::unordered_map<std::string, ModMetadata *>::const_iterator it =
1891 m_mod_storages.find(name);
1892 if (it != m_mod_storages.end()) {
1893 // Save unconditionaly on unregistration
1894 it->second->save(getModStoragePath());
1895 m_mod_storages.erase(name);
1899 std::string Client::getModStoragePath() const
1901 return porting::path_user + DIR_DELIM + "client" + DIR_DELIM + "mod_storage";
1908 bool Client::joinModChannel(const std::string &channel)
1910 if (m_modchannel_mgr->channelRegistered(channel))
1913 NetworkPacket pkt(TOSERVER_MODCHANNEL_JOIN, 2 + channel.size());
1917 m_modchannel_mgr->joinChannel(channel, 0);
1921 bool Client::leaveModChannel(const std::string &channel)
1923 if (!m_modchannel_mgr->channelRegistered(channel))
1926 NetworkPacket pkt(TOSERVER_MODCHANNEL_LEAVE, 2 + channel.size());
1930 m_modchannel_mgr->leaveChannel(channel, 0);
1934 bool Client::sendModChannelMessage(const std::string &channel, const std::string &message)
1936 if (!m_modchannel_mgr->canWriteOnChannel(channel))
1939 if (message.size() > STRING_MAX_LEN) {
1940 warningstream << "ModChannel message too long, dropping before sending "
1941 << " (" << message.size() << " > " << STRING_MAX_LEN << ", channel: "
1942 << channel << ")" << std::endl;
1946 // @TODO: do some client rate limiting
1947 NetworkPacket pkt(TOSERVER_MODCHANNEL_MSG, 2 + channel.size() + 2 + message.size());
1948 pkt << channel << message;
1953 ModChannel* Client::getModChannel(const std::string &channel)
1955 return m_modchannel_mgr->getModChannel(channel);