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 ScopeProfiler sp(g_profiler, "Client: map timer and unload");
370 std::vector<v3s16> deleted_blocks;
371 m_env.getMap().timerUpdate(map_timer_and_unload_dtime,
372 g_settings->getFloat("client_unload_unused_data_timeout"),
373 g_settings->getS32("client_mapblock_limit"),
378 NOTE: This loop is intentionally iterated the way it is.
381 std::vector<v3s16>::iterator i = deleted_blocks.begin();
382 std::vector<v3s16> sendlist;
384 if(sendlist.size() == 255 || i == deleted_blocks.end()) {
395 sendDeletedBlocks(sendlist);
397 if(i == deleted_blocks.end())
403 sendlist.push_back(*i);
409 Send pending messages on out chat queue
411 if (!m_out_chat_queue.empty() && canSendChatMessage()) {
412 sendChatMessage(m_out_chat_queue.front());
413 m_out_chat_queue.pop();
419 // Control local player (0ms)
420 LocalPlayer *player = m_env.getLocalPlayer();
422 player->applyControl(dtime, &m_env);
426 m_sound->step(dtime);
431 while (m_env.hasClientEnvEvents()) {
432 ClientEnvEvent envEvent = m_env.getClientEnvEvent();
434 if (envEvent.type == CEE_PLAYER_DAMAGE) {
435 u16 damage = envEvent.player_damage.amount;
437 if (envEvent.player_damage.send_to_server)
440 // Add to ClientEvent queue
441 ClientEvent *event = new ClientEvent();
442 event->type = CE_PLAYER_DAMAGE;
443 event->player_damage.amount = damage;
444 m_client_event_queue.push(event);
451 float &counter = m_avg_rtt_timer;
455 // connectedAndInitialized() is true, peer exists.
456 float avg_rtt = getRTT();
457 infostream << "Client: avg_rtt=" << avg_rtt << std::endl;
461 Send player position to server
464 float &counter = m_playerpos_send_timer;
466 if((m_state == LC_Ready) && (counter >= m_recommended_send_interval))
474 Replace updated meshes
477 int num_processed_meshes = 0;
478 std::vector<v3s16> blocks_to_ack;
479 while (!m_mesh_update_thread.m_queue_out.empty())
481 num_processed_meshes++;
483 MinimapMapblock *minimap_mapblock = NULL;
484 bool do_mapper_update = true;
486 MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_frontNoEx();
487 MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(r.p);
489 // Delete the old mesh
491 block->mesh = nullptr;
494 minimap_mapblock = r.mesh->moveMinimapMapblock();
495 if (minimap_mapblock == NULL)
496 do_mapper_update = false;
498 bool is_empty = true;
499 for (int l = 0; l < MAX_TILE_LAYERS; l++)
500 if (r.mesh->getMesh(l)->getMeshBufferCount() != 0)
506 // Replace with the new mesh
507 block->mesh = r.mesh;
513 if (m_minimap && do_mapper_update)
514 m_minimap->addBlock(r.p, minimap_mapblock);
516 if (r.ack_block_to_server) {
517 if (blocks_to_ack.size() == 255) {
518 sendGotBlocks(blocks_to_ack);
519 blocks_to_ack.clear();
522 blocks_to_ack.emplace_back(r.p);
525 if (blocks_to_ack.size() > 0) {
526 // Acknowledge block(s)
527 sendGotBlocks(blocks_to_ack);
530 if (num_processed_meshes > 0)
531 g_profiler->graphAdd("num_processed_meshes", num_processed_meshes);
537 if (m_media_downloader && m_media_downloader->isStarted()) {
538 m_media_downloader->step(this);
539 if (m_media_downloader->isDone()) {
540 delete m_media_downloader;
541 m_media_downloader = NULL;
546 If the server didn't update the inventory in a while, revert
547 the local inventory (so the player notices the lag problem
548 and knows something is wrong).
550 if (m_inventory_from_server) {
551 float interval = 10.0f;
552 float count_before = std::floor(m_inventory_from_server_age / interval);
554 m_inventory_from_server_age += dtime;
556 float count_after = std::floor(m_inventory_from_server_age / interval);
558 if (count_after != count_before) {
559 // Do this every <interval> seconds after TOCLIENT_INVENTORY
560 // Reset the locally changed inventory to the authoritative inventory
561 m_env.getLocalPlayer()->inventory = *m_inventory_from_server;
562 m_inventory_updated = true;
567 Update positions of sounds attached to objects
570 for (auto &m_sounds_to_object : m_sounds_to_objects) {
571 int client_id = m_sounds_to_object.first;
572 u16 object_id = m_sounds_to_object.second;
573 ClientActiveObject *cao = m_env.getActiveObject(object_id);
576 m_sound->updateSoundPosition(client_id, cao->getPosition());
581 Handle removed remotely initiated sounds
583 m_removed_sounds_check_timer += dtime;
584 if(m_removed_sounds_check_timer >= 2.32) {
585 m_removed_sounds_check_timer = 0;
586 // Find removed sounds and clear references to them
587 std::vector<s32> removed_server_ids;
588 for (std::unordered_map<s32, int>::iterator i = m_sounds_server_to_client.begin();
589 i != m_sounds_server_to_client.end();) {
590 s32 server_id = i->first;
591 int client_id = i->second;
593 if(!m_sound->soundExists(client_id)) {
594 m_sounds_server_to_client.erase(server_id);
595 m_sounds_client_to_server.erase(client_id);
596 m_sounds_to_objects.erase(client_id);
597 removed_server_ids.push_back(server_id);
602 if(!removed_server_ids.empty()) {
603 sendRemovedSounds(removed_server_ids);
607 m_mod_storage_save_timer -= dtime;
608 if (m_mod_storage_save_timer <= 0.0f) {
609 verbosestream << "Saving registered mod storages." << std::endl;
610 m_mod_storage_save_timer = g_settings->getFloat("server_map_save_interval");
611 for (std::unordered_map<std::string, ModMetadata *>::const_iterator
612 it = m_mod_storages.begin(); it != m_mod_storages.end(); ++it) {
613 if (it->second->isModified()) {
614 it->second->save(getModStoragePath());
620 if (m_localdb && m_localdb_save_interval.step(dtime,
621 m_cache_save_interval)) {
622 m_localdb->endSave();
623 m_localdb->beginSave();
627 bool Client::loadMedia(const std::string &data, const std::string &filename)
629 // Silly irrlicht's const-incorrectness
630 Buffer<char> data_rw(data.c_str(), data.size());
634 const char *image_ext[] = {
635 ".png", ".jpg", ".bmp", ".tga",
636 ".pcx", ".ppm", ".psd", ".wal", ".rgb",
639 name = removeStringEnd(filename, image_ext);
641 verbosestream<<"Client: Attempting to load image "
642 <<"file \""<<filename<<"\""<<std::endl;
644 io::IFileSystem *irrfs = RenderingEngine::get_filesystem();
645 video::IVideoDriver *vdrv = RenderingEngine::get_video_driver();
647 // Create an irrlicht memory file
648 io::IReadFile *rfile = irrfs->createMemoryReadFile(
649 *data_rw, data_rw.getSize(), "_tempreadfile");
651 FATAL_ERROR_IF(!rfile, "Could not create irrlicht memory file.");
654 video::IImage *img = vdrv->createImageFromFile(rfile);
656 errorstream<<"Client: Cannot create image from data of "
657 <<"file \""<<filename<<"\""<<std::endl;
662 m_tsrc->insertSourceImage(filename, img);
668 const char *sound_ext[] = {
669 ".0.ogg", ".1.ogg", ".2.ogg", ".3.ogg", ".4.ogg",
670 ".5.ogg", ".6.ogg", ".7.ogg", ".8.ogg", ".9.ogg",
673 name = removeStringEnd(filename, sound_ext);
675 verbosestream<<"Client: Attempting to load sound "
676 <<"file \""<<filename<<"\""<<std::endl;
677 m_sound->loadSoundData(name, data);
681 const char *model_ext[] = {
682 ".x", ".b3d", ".md2", ".obj",
686 name = removeStringEnd(filename, model_ext);
688 verbosestream<<"Client: Storing model into memory: "
689 <<"\""<<filename<<"\""<<std::endl;
690 if(m_mesh_data.count(filename))
691 errorstream<<"Multiple models with name \""<<filename.c_str()
692 <<"\" found; replacing previous model"<<std::endl;
693 m_mesh_data[filename] = data;
697 const char *translate_ext[] = {
700 name = removeStringEnd(filename, translate_ext);
702 verbosestream << "Client: Loading translation: "
703 << "\"" << filename << "\"" << std::endl;
704 g_translations->loadTranslation(data);
708 errorstream << "Client: Don't know how to load file \""
709 << filename << "\"" << std::endl;
713 // Virtual methods from con::PeerHandler
714 void Client::peerAdded(con::Peer *peer)
716 infostream << "Client::peerAdded(): peer->id="
717 << peer->id << std::endl;
719 void Client::deletingPeer(con::Peer *peer, bool timeout)
721 infostream << "Client::deletingPeer(): "
722 "Server Peer is getting deleted "
723 << "(timeout=" << timeout << ")" << std::endl;
726 m_access_denied = true;
727 m_access_denied_reason = gettext("Connection timed out.");
733 u16 number of files requested
739 void Client::request_media(const std::vector<std::string> &file_requests)
741 std::ostringstream os(std::ios_base::binary);
742 writeU16(os, TOSERVER_REQUEST_MEDIA);
743 size_t file_requests_size = file_requests.size();
745 FATAL_ERROR_IF(file_requests_size > 0xFFFF, "Unsupported number of file requests");
747 // Packet dynamicly resized
748 NetworkPacket pkt(TOSERVER_REQUEST_MEDIA, 2 + 0);
750 pkt << (u16) (file_requests_size & 0xFFFF);
752 for (const std::string &file_request : file_requests) {
758 infostream << "Client: Sending media request list to server ("
759 << file_requests.size() << " files. packet size)" << std::endl;
762 void Client::initLocalMapSaving(const Address &address,
763 const std::string &hostname,
764 bool is_local_server)
766 if (!g_settings->getBool("enable_local_map_saving") || is_local_server) {
770 const std::string world_path = porting::path_user
771 + DIR_DELIM + "worlds"
772 + DIR_DELIM + "server_"
773 + hostname + "_" + std::to_string(address.getPort());
775 fs::CreateAllDirs(world_path);
777 m_localdb = new MapDatabaseSQLite3(world_path);
778 m_localdb->beginSave();
779 actionstream << "Local map saving started, map will be saved at '" << world_path << "'" << std::endl;
782 void Client::ReceiveAll()
784 u64 start_ms = porting::getTimeMs();
787 // Limit time even if there would be huge amounts of data to
789 if(porting::getTimeMs() > start_ms + 100)
794 g_profiler->graphAdd("client_received_packets", 1);
796 catch(con::NoIncomingDataException &e) {
799 catch(con::InvalidIncomingDataException &e) {
800 infostream<<"Client::ReceiveAll(): "
801 "InvalidIncomingDataException: what()="
802 <<e.what()<<std::endl;
807 void Client::Receive()
810 m_con->Receive(&pkt);
814 inline void Client::handleCommand(NetworkPacket* pkt)
816 const ToClientCommandHandler& opHandle = toClientCommandTable[pkt->getCommand()];
817 (this->*opHandle.handler)(pkt);
821 sender_peer_id given to this shall be quaranteed to be a valid peer
823 void Client::ProcessData(NetworkPacket *pkt)
825 ToClientCommand command = (ToClientCommand) pkt->getCommand();
826 u32 sender_peer_id = pkt->getPeerId();
828 //infostream<<"Client: received command="<<command<<std::endl;
829 m_packetcounter.add((u16)command);
832 If this check is removed, be sure to change the queue
833 system to know the ids
835 if(sender_peer_id != PEER_ID_SERVER) {
836 infostream << "Client::ProcessData(): Discarding data not "
837 "coming from server: peer_id=" << sender_peer_id
842 // Command must be handled into ToClientCommandHandler
843 if (command >= TOCLIENT_NUM_MSG_TYPES) {
844 infostream << "Client: Ignoring unknown command "
845 << command << std::endl;
850 * Those packets are handled before m_server_ser_ver is set, it's normal
851 * But we must use the new ToClientConnectionState in the future,
854 if(toClientCommandTable[command].state == TOCLIENT_STATE_NOT_CONNECTED) {
859 if(m_server_ser_ver == SER_FMT_VER_INVALID) {
860 infostream << "Client: Server serialization"
861 " format invalid or not initialized."
862 " Skipping incoming command=" << command << std::endl;
867 Handle runtime commands
873 void Client::Send(NetworkPacket* pkt)
875 m_con->Send(PEER_ID_SERVER,
876 serverCommandFactoryTable[pkt->getCommand()].channel,
878 serverCommandFactoryTable[pkt->getCommand()].reliable);
881 // Will fill up 12 + 12 + 4 + 4 + 4 bytes
882 void writePlayerPos(LocalPlayer *myplayer, ClientMap *clientMap, NetworkPacket *pkt)
884 v3f pf = myplayer->getPosition() * 100;
885 v3f sf = myplayer->getSpeed() * 100;
886 s32 pitch = myplayer->getPitch() * 100;
887 s32 yaw = myplayer->getYaw() * 100;
888 u32 keyPressed = myplayer->keyPressed;
889 // scaled by 80, so that pi can fit into a u8
890 u8 fov = clientMap->getCameraFov() * 80;
891 u8 wanted_range = MYMIN(255,
892 std::ceil(clientMap->getControl().wanted_range / MAP_BLOCKSIZE));
894 v3s32 position(pf.X, pf.Y, pf.Z);
895 v3s32 speed(sf.X, sf.Y, sf.Z);
899 [0] v3s32 position*100
901 [12+12] s32 pitch*100
902 [12+12+4] s32 yaw*100
903 [12+12+4+4] u32 keyPressed
904 [12+12+4+4+4] u8 fov*80
905 [12+12+4+4+4+1] u8 ceil(wanted_range / MAP_BLOCKSIZE)
907 *pkt << position << speed << pitch << yaw << keyPressed;
908 *pkt << fov << wanted_range;
911 void Client::interact(InteractAction action, const PointedThing& pointed)
913 if(m_state != LC_Ready) {
914 errorstream << "Client::interact() "
915 "Canceled (not connected)"
920 LocalPlayer *myplayer = m_env.getLocalPlayer();
921 if (myplayer == NULL)
928 [5] u32 length of the next item (plen)
929 [9] serialized PointedThing
930 [9 + plen] player position information
933 NetworkPacket pkt(TOSERVER_INTERACT, 1 + 2 + 0);
936 pkt << myplayer->getWieldIndex();
938 std::ostringstream tmp_os(std::ios::binary);
939 pointed.serialize(tmp_os);
941 pkt.putLongString(tmp_os.str());
943 writePlayerPos(myplayer, &m_env.getClientMap(), &pkt);
948 void Client::deleteAuthData()
953 switch (m_chosen_auth_mech) {
954 case AUTH_MECHANISM_FIRST_SRP:
956 case AUTH_MECHANISM_SRP:
957 case AUTH_MECHANISM_LEGACY_PASSWORD:
958 srp_user_delete((SRPUser *) m_auth_data);
961 case AUTH_MECHANISM_NONE:
964 m_chosen_auth_mech = AUTH_MECHANISM_NONE;
968 AuthMechanism Client::choseAuthMech(const u32 mechs)
970 if (mechs & AUTH_MECHANISM_SRP)
971 return AUTH_MECHANISM_SRP;
973 if (mechs & AUTH_MECHANISM_FIRST_SRP)
974 return AUTH_MECHANISM_FIRST_SRP;
976 if (mechs & AUTH_MECHANISM_LEGACY_PASSWORD)
977 return AUTH_MECHANISM_LEGACY_PASSWORD;
979 return AUTH_MECHANISM_NONE;
982 void Client::sendInit(const std::string &playerName)
984 NetworkPacket pkt(TOSERVER_INIT, 1 + 2 + 2 + (1 + playerName.size()));
986 // we don't support network compression yet
987 u16 supp_comp_modes = NETPROTO_COMPRESSION_NONE;
989 pkt << (u8) SER_FMT_VER_HIGHEST_READ << (u16) supp_comp_modes;
990 pkt << (u16) CLIENT_PROTOCOL_VERSION_MIN << (u16) CLIENT_PROTOCOL_VERSION_MAX;
996 void Client::promptConfirmRegistration(AuthMechanism chosen_auth_mechanism)
998 m_chosen_auth_mech = chosen_auth_mechanism;
999 m_is_registration_confirmation_state = true;
1002 void Client::confirmRegistration()
1004 m_is_registration_confirmation_state = false;
1005 startAuth(m_chosen_auth_mech);
1008 void Client::startAuth(AuthMechanism chosen_auth_mechanism)
1010 m_chosen_auth_mech = chosen_auth_mechanism;
1012 switch (chosen_auth_mechanism) {
1013 case AUTH_MECHANISM_FIRST_SRP: {
1014 // send srp verifier to server
1015 std::string verifier;
1017 generate_srp_verifier_and_salt(getPlayerName(), m_password,
1020 NetworkPacket resp_pkt(TOSERVER_FIRST_SRP, 0);
1021 resp_pkt << salt << verifier << (u8)((m_password.empty()) ? 1 : 0);
1026 case AUTH_MECHANISM_SRP:
1027 case AUTH_MECHANISM_LEGACY_PASSWORD: {
1030 if (chosen_auth_mechanism == AUTH_MECHANISM_LEGACY_PASSWORD) {
1031 m_password = translate_password(getPlayerName(), m_password);
1035 std::string playername_u = lowercase(getPlayerName());
1036 m_auth_data = srp_user_new(SRP_SHA256, SRP_NG_2048,
1037 getPlayerName().c_str(), playername_u.c_str(),
1038 (const unsigned char *) m_password.c_str(),
1039 m_password.length(), NULL, NULL);
1042 SRP_Result res = srp_user_start_authentication(
1043 (struct SRPUser *) m_auth_data, NULL, NULL, 0,
1044 (unsigned char **) &bytes_A, &len_A);
1045 FATAL_ERROR_IF(res != SRP_OK, "Creating local SRP user failed.");
1047 NetworkPacket resp_pkt(TOSERVER_SRP_BYTES_A, 0);
1048 resp_pkt << std::string(bytes_A, len_A) << based_on;
1052 case AUTH_MECHANISM_NONE:
1053 break; // not handled in this method
1057 void Client::sendDeletedBlocks(std::vector<v3s16> &blocks)
1059 NetworkPacket pkt(TOSERVER_DELETEDBLOCKS, 1 + sizeof(v3s16) * blocks.size());
1061 pkt << (u8) blocks.size();
1063 for (const v3s16 &block : blocks) {
1070 void Client::sendGotBlocks(const std::vector<v3s16> &blocks)
1072 NetworkPacket pkt(TOSERVER_GOTBLOCKS, 1 + 6 * blocks.size());
1073 pkt << (u8) blocks.size();
1074 for (const v3s16 &block : blocks)
1080 void Client::sendRemovedSounds(std::vector<s32> &soundList)
1082 size_t server_ids = soundList.size();
1083 assert(server_ids <= 0xFFFF);
1085 NetworkPacket pkt(TOSERVER_REMOVED_SOUNDS, 2 + server_ids * 4);
1087 pkt << (u16) (server_ids & 0xFFFF);
1089 for (int sound_id : soundList)
1095 void Client::sendNodemetaFields(v3s16 p, const std::string &formname,
1096 const StringMap &fields)
1098 size_t fields_size = fields.size();
1100 FATAL_ERROR_IF(fields_size > 0xFFFF, "Unsupported number of nodemeta fields");
1102 NetworkPacket pkt(TOSERVER_NODEMETA_FIELDS, 0);
1104 pkt << p << formname << (u16) (fields_size & 0xFFFF);
1106 StringMap::const_iterator it;
1107 for (it = fields.begin(); it != fields.end(); ++it) {
1108 const std::string &name = it->first;
1109 const std::string &value = it->second;
1111 pkt.putLongString(value);
1117 void Client::sendInventoryFields(const std::string &formname,
1118 const StringMap &fields)
1120 size_t fields_size = fields.size();
1121 FATAL_ERROR_IF(fields_size > 0xFFFF, "Unsupported number of inventory fields");
1123 NetworkPacket pkt(TOSERVER_INVENTORY_FIELDS, 0);
1124 pkt << formname << (u16) (fields_size & 0xFFFF);
1126 StringMap::const_iterator it;
1127 for (it = fields.begin(); it != fields.end(); ++it) {
1128 const std::string &name = it->first;
1129 const std::string &value = it->second;
1131 pkt.putLongString(value);
1137 void Client::sendInventoryAction(InventoryAction *a)
1139 std::ostringstream os(std::ios_base::binary);
1144 std::string s = os.str();
1146 NetworkPacket pkt(TOSERVER_INVENTORY_ACTION, s.size());
1147 pkt.putRawString(s.c_str(),s.size());
1152 bool Client::canSendChatMessage() const
1154 u32 now = time(NULL);
1155 float time_passed = now - m_last_chat_message_sent;
1157 float virt_chat_message_allowance = m_chat_message_allowance + time_passed *
1158 (CLIENT_CHAT_MESSAGE_LIMIT_PER_10S / 8.0f);
1160 if (virt_chat_message_allowance < 1.0f)
1166 void Client::sendChatMessage(const std::wstring &message)
1168 const s16 max_queue_size = g_settings->getS16("max_out_chat_queue_size");
1169 if (canSendChatMessage()) {
1170 u32 now = time(NULL);
1171 float time_passed = now - m_last_chat_message_sent;
1172 m_last_chat_message_sent = time(NULL);
1174 m_chat_message_allowance += time_passed * (CLIENT_CHAT_MESSAGE_LIMIT_PER_10S / 8.0f);
1175 if (m_chat_message_allowance > CLIENT_CHAT_MESSAGE_LIMIT_PER_10S)
1176 m_chat_message_allowance = CLIENT_CHAT_MESSAGE_LIMIT_PER_10S;
1178 m_chat_message_allowance -= 1.0f;
1180 NetworkPacket pkt(TOSERVER_CHAT_MESSAGE, 2 + message.size() * sizeof(u16));
1185 } else if (m_out_chat_queue.size() < (u16) max_queue_size || max_queue_size == -1) {
1186 m_out_chat_queue.push(message);
1188 infostream << "Could not queue chat message because maximum out chat queue size ("
1189 << max_queue_size << ") is reached." << std::endl;
1193 void Client::clearOutChatQueue()
1195 m_out_chat_queue = std::queue<std::wstring>();
1198 void Client::sendChangePassword(const std::string &oldpassword,
1199 const std::string &newpassword)
1201 LocalPlayer *player = m_env.getLocalPlayer();
1205 // get into sudo mode and then send new password to server
1206 m_password = oldpassword;
1207 m_new_password = newpassword;
1208 startAuth(choseAuthMech(m_sudo_auth_methods));
1212 void Client::sendDamage(u16 damage)
1214 NetworkPacket pkt(TOSERVER_DAMAGE, sizeof(u16));
1219 void Client::sendRespawn()
1221 NetworkPacket pkt(TOSERVER_RESPAWN, 0);
1225 void Client::sendReady()
1227 NetworkPacket pkt(TOSERVER_CLIENT_READY,
1228 1 + 1 + 1 + 1 + 2 + sizeof(char) * strlen(g_version_hash));
1230 pkt << (u8) VERSION_MAJOR << (u8) VERSION_MINOR << (u8) VERSION_PATCH
1231 << (u8) 0 << (u16) strlen(g_version_hash);
1233 pkt.putRawString(g_version_hash, (u16) strlen(g_version_hash));
1237 void Client::sendPlayerPos()
1239 LocalPlayer *myplayer = m_env.getLocalPlayer();
1243 ClientMap &map = m_env.getClientMap();
1245 u8 camera_fov = map.getCameraFov();
1246 u8 wanted_range = map.getControl().wanted_range;
1248 // Save bandwidth by only updating position when something changed
1249 if(myplayer->last_position == myplayer->getPosition() &&
1250 myplayer->last_speed == myplayer->getSpeed() &&
1251 myplayer->last_pitch == myplayer->getPitch() &&
1252 myplayer->last_yaw == myplayer->getYaw() &&
1253 myplayer->last_keyPressed == myplayer->keyPressed &&
1254 myplayer->last_camera_fov == camera_fov &&
1255 myplayer->last_wanted_range == wanted_range)
1258 myplayer->last_position = myplayer->getPosition();
1259 myplayer->last_speed = myplayer->getSpeed();
1260 myplayer->last_pitch = myplayer->getPitch();
1261 myplayer->last_yaw = myplayer->getYaw();
1262 myplayer->last_keyPressed = myplayer->keyPressed;
1263 myplayer->last_camera_fov = camera_fov;
1264 myplayer->last_wanted_range = wanted_range;
1266 NetworkPacket pkt(TOSERVER_PLAYERPOS, 12 + 12 + 4 + 4 + 4 + 1 + 1);
1268 writePlayerPos(myplayer, &map, &pkt);
1273 void Client::removeNode(v3s16 p)
1275 std::map<v3s16, MapBlock*> modified_blocks;
1278 m_env.getMap().removeNodeAndUpdate(p, modified_blocks);
1280 catch(InvalidPositionException &e) {
1283 for (const auto &modified_block : modified_blocks) {
1284 addUpdateMeshTaskWithEdge(modified_block.first, false, true);
1289 * Helper function for Client Side Modding
1290 * CSM restrictions are applied there, this should not be used for core engine
1292 * @param is_valid_position
1295 MapNode Client::getNode(v3s16 p, bool *is_valid_position)
1297 if (checkCSMRestrictionFlag(CSMRestrictionFlags::CSM_RF_LOOKUP_NODES)) {
1298 v3s16 ppos = floatToInt(m_env.getLocalPlayer()->getPosition(), BS);
1299 if ((u32) ppos.getDistanceFrom(p) > m_csm_restriction_noderange) {
1300 *is_valid_position = false;
1304 return m_env.getMap().getNodeNoEx(p, is_valid_position);
1307 void Client::addNode(v3s16 p, MapNode n, bool remove_metadata)
1309 //TimeTaker timer1("Client::addNode()");
1311 std::map<v3s16, MapBlock*> modified_blocks;
1314 //TimeTaker timer3("Client::addNode(): addNodeAndUpdate");
1315 m_env.getMap().addNodeAndUpdate(p, n, modified_blocks, remove_metadata);
1317 catch(InvalidPositionException &e) {
1320 for (const auto &modified_block : modified_blocks) {
1321 addUpdateMeshTaskWithEdge(modified_block.first, false, true);
1325 void Client::setPlayerControl(PlayerControl &control)
1327 LocalPlayer *player = m_env.getLocalPlayer();
1329 player->control = control;
1332 void Client::setPlayerItem(u16 item)
1334 m_env.getLocalPlayer()->setWieldIndex(item);
1335 m_inventory_updated = true;
1337 NetworkPacket pkt(TOSERVER_PLAYERITEM, 2);
1342 // Returns true if the inventory of the local player has been
1343 // updated from the server. If it is true, it is set to false.
1344 bool Client::getLocalInventoryUpdated()
1346 bool updated = m_inventory_updated;
1347 m_inventory_updated = false;
1351 // Copies the inventory of the local player to parameter
1352 void Client::getLocalInventory(Inventory &dst)
1354 LocalPlayer *player = m_env.getLocalPlayer();
1356 dst = player->inventory;
1359 Inventory* Client::getInventory(const InventoryLocation &loc)
1362 case InventoryLocation::UNDEFINED:
1365 case InventoryLocation::CURRENT_PLAYER:
1367 LocalPlayer *player = m_env.getLocalPlayer();
1369 return &player->inventory;
1372 case InventoryLocation::PLAYER:
1374 // Check if we are working with local player inventory
1375 LocalPlayer *player = m_env.getLocalPlayer();
1376 if (!player || strcmp(player->getName(), loc.name.c_str()) != 0)
1378 return &player->inventory;
1381 case InventoryLocation::NODEMETA:
1383 NodeMetadata *meta = m_env.getMap().getNodeMetadata(loc.p);
1386 return meta->getInventory();
1389 case InventoryLocation::DETACHED:
1391 if (m_detached_inventories.count(loc.name) == 0)
1393 return m_detached_inventories[loc.name];
1397 FATAL_ERROR("Invalid inventory location type.");
1403 void Client::inventoryAction(InventoryAction *a)
1406 Send it to the server
1408 sendInventoryAction(a);
1411 Predict some local inventory changes
1413 a->clientApply(this, this);
1419 float Client::getAnimationTime()
1421 return m_animation_time;
1424 int Client::getCrackLevel()
1426 return m_crack_level;
1429 v3s16 Client::getCrackPos()
1434 void Client::setCrack(int level, v3s16 pos)
1436 int old_crack_level = m_crack_level;
1437 v3s16 old_crack_pos = m_crack_pos;
1439 m_crack_level = level;
1442 if(old_crack_level >= 0 && (level < 0 || pos != old_crack_pos))
1445 addUpdateMeshTaskForNode(old_crack_pos, false, true);
1447 if(level >= 0 && (old_crack_level < 0 || pos != old_crack_pos))
1450 addUpdateMeshTaskForNode(pos, false, true);
1456 LocalPlayer *player = m_env.getLocalPlayer();
1461 bool Client::getChatMessage(std::wstring &res)
1463 if (m_chat_queue.empty())
1466 ChatMessage *chatMessage = m_chat_queue.front();
1471 switch (chatMessage->type) {
1472 case CHATMESSAGE_TYPE_RAW:
1473 case CHATMESSAGE_TYPE_ANNOUNCE:
1474 case CHATMESSAGE_TYPE_SYSTEM:
1475 res = chatMessage->message;
1477 case CHATMESSAGE_TYPE_NORMAL: {
1478 if (!chatMessage->sender.empty())
1479 res = L"<" + chatMessage->sender + L"> " + chatMessage->message;
1481 res = chatMessage->message;
1492 void Client::typeChatMessage(const std::wstring &message)
1494 // Discard empty line
1495 if (message.empty())
1498 // If message was consumed by script API, don't send it to server
1499 if (m_modding_enabled && m_script->on_sending_message(wide_to_utf8(message)))
1503 sendChatMessage(message);
1506 void Client::addUpdateMeshTask(v3s16 p, bool ack_to_server, bool urgent)
1508 // Check if the block exists to begin with. In the case when a non-existing
1509 // neighbor is automatically added, it may not. In that case we don't want
1510 // to tell the mesh update thread about it.
1511 MapBlock *b = m_env.getMap().getBlockNoCreateNoEx(p);
1515 m_mesh_update_thread.updateBlock(&m_env.getMap(), p, ack_to_server, urgent);
1518 void Client::addUpdateMeshTaskWithEdge(v3s16 blockpos, bool ack_to_server, bool urgent)
1521 addUpdateMeshTask(blockpos, ack_to_server, urgent);
1523 catch(InvalidPositionException &e){}
1526 for (int i=0;i<6;i++)
1529 v3s16 p = blockpos + g_6dirs[i];
1530 addUpdateMeshTask(p, false, urgent);
1532 catch(InvalidPositionException &e){}
1536 void Client::addUpdateMeshTaskForNode(v3s16 nodepos, bool ack_to_server, bool urgent)
1540 infostream<<"Client::addUpdateMeshTaskForNode(): "
1541 <<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"
1545 v3s16 blockpos = getNodeBlockPos(nodepos);
1546 v3s16 blockpos_relative = blockpos * MAP_BLOCKSIZE;
1549 addUpdateMeshTask(blockpos, ack_to_server, urgent);
1551 catch(InvalidPositionException &e) {}
1554 if(nodepos.X == blockpos_relative.X){
1556 v3s16 p = blockpos + v3s16(-1,0,0);
1557 addUpdateMeshTask(p, false, urgent);
1559 catch(InvalidPositionException &e){}
1562 if(nodepos.Y == blockpos_relative.Y){
1564 v3s16 p = blockpos + v3s16(0,-1,0);
1565 addUpdateMeshTask(p, false, urgent);
1567 catch(InvalidPositionException &e){}
1570 if(nodepos.Z == blockpos_relative.Z){
1572 v3s16 p = blockpos + v3s16(0,0,-1);
1573 addUpdateMeshTask(p, false, urgent);
1575 catch(InvalidPositionException &e){}
1579 ClientEvent *Client::getClientEvent()
1581 FATAL_ERROR_IF(m_client_event_queue.empty(),
1582 "Cannot getClientEvent, queue is empty.");
1584 ClientEvent *event = m_client_event_queue.front();
1585 m_client_event_queue.pop();
1589 bool Client::connectedToServer()
1591 return m_con->Connected();
1594 const Address Client::getServerAddress()
1596 return m_con->GetPeerAddress(PEER_ID_SERVER);
1599 float Client::mediaReceiveProgress()
1601 if (m_media_downloader)
1602 return m_media_downloader->getProgress();
1604 return 1.0; // downloader only exists when not yet done
1607 typedef struct TextureUpdateArgs {
1608 gui::IGUIEnvironment *guienv;
1611 const wchar_t* text_base;
1612 ITextureSource *tsrc;
1613 } TextureUpdateArgs;
1615 void texture_update_progress(void *args, u32 progress, u32 max_progress)
1617 TextureUpdateArgs* targs = (TextureUpdateArgs*) args;
1618 u16 cur_percent = ceil(progress / (double) max_progress * 100.);
1620 // update the loading menu -- if neccessary
1621 bool do_draw = false;
1622 u64 time_ms = targs->last_time_ms;
1623 if (cur_percent != targs->last_percent) {
1624 targs->last_percent = cur_percent;
1625 time_ms = porting::getTimeMs();
1626 // only draw when the user will notice something:
1627 do_draw = (time_ms - targs->last_time_ms > 100);
1631 targs->last_time_ms = time_ms;
1632 std::basic_stringstream<wchar_t> strm;
1633 strm << targs->text_base << " " << targs->last_percent << "%...";
1634 RenderingEngine::draw_load_screen(strm.str(), targs->guienv, targs->tsrc, 0,
1635 72 + (u16) ((18. / 100.) * (double) targs->last_percent), true);
1639 void Client::afterContentReceived()
1641 infostream<<"Client::afterContentReceived() started"<<std::endl;
1642 assert(m_itemdef_received); // pre-condition
1643 assert(m_nodedef_received); // pre-condition
1644 assert(mediaReceived()); // pre-condition
1646 const wchar_t* text = wgettext("Loading textures...");
1648 // Clear cached pre-scaled 2D GUI images, as this cache
1649 // might have images with the same name but different
1650 // content from previous sessions.
1651 guiScalingCacheClear();
1653 // Rebuild inherited images and recreate textures
1654 infostream<<"- Rebuilding images and textures"<<std::endl;
1655 RenderingEngine::draw_load_screen(text, guienv, m_tsrc, 0, 70);
1656 m_tsrc->rebuildImagesAndTextures();
1660 infostream<<"- Rebuilding shaders"<<std::endl;
1661 text = wgettext("Rebuilding shaders...");
1662 RenderingEngine::draw_load_screen(text, guienv, m_tsrc, 0, 71);
1663 m_shsrc->rebuildShaders();
1666 // Update node aliases
1667 infostream<<"- Updating node aliases"<<std::endl;
1668 text = wgettext("Initializing nodes...");
1669 RenderingEngine::draw_load_screen(text, guienv, m_tsrc, 0, 72);
1670 m_nodedef->updateAliases(m_itemdef);
1671 for (const auto &path : getTextureDirs())
1672 m_nodedef->applyTextureOverrides(path + DIR_DELIM + "override.txt");
1673 m_nodedef->setNodeRegistrationStatus(true);
1674 m_nodedef->runNodeResolveCallbacks();
1677 // Update node textures and assign shaders to each tile
1678 infostream<<"- Updating node textures"<<std::endl;
1679 TextureUpdateArgs tu_args;
1680 tu_args.guienv = guienv;
1681 tu_args.last_time_ms = porting::getTimeMs();
1682 tu_args.last_percent = 0;
1683 tu_args.text_base = wgettext("Initializing nodes");
1684 tu_args.tsrc = m_tsrc;
1685 m_nodedef->updateTextures(this, texture_update_progress, &tu_args);
1686 delete[] tu_args.text_base;
1688 // Start mesh update thread after setting up content definitions
1689 infostream<<"- Starting mesh update thread"<<std::endl;
1690 m_mesh_update_thread.start();
1695 if (g_settings->getBool("enable_client_modding")) {
1696 m_script->on_client_ready(m_env.getLocalPlayer());
1699 text = wgettext("Done!");
1700 RenderingEngine::draw_load_screen(text, guienv, m_tsrc, 0, 100);
1701 infostream<<"Client::afterContentReceived() done"<<std::endl;
1705 float Client::getRTT()
1707 return m_con->getPeerStat(PEER_ID_SERVER,con::AVG_RTT);
1710 float Client::getCurRate()
1712 return (m_con->getLocalStat(con::CUR_INC_RATE) +
1713 m_con->getLocalStat(con::CUR_DL_RATE));
1716 void Client::makeScreenshot()
1718 irr::video::IVideoDriver *driver = RenderingEngine::get_video_driver();
1719 irr::video::IImage* const raw_image = driver->createScreenShot();
1724 time_t t = time(NULL);
1725 struct tm *tm = localtime(&t);
1727 char timetstamp_c[64];
1728 strftime(timetstamp_c, sizeof(timetstamp_c), "%Y%m%d_%H%M%S", tm);
1730 std::string filename_base = g_settings->get("screenshot_path")
1732 + std::string("screenshot_")
1733 + std::string(timetstamp_c);
1734 std::string filename_ext = "." + g_settings->get("screenshot_format");
1735 std::string filename;
1737 u32 quality = (u32)g_settings->getS32("screenshot_quality");
1738 quality = MYMIN(MYMAX(quality, 0), 100) / 100.0 * 255;
1740 // Try to find a unique filename
1741 unsigned serial = 0;
1743 while (serial < SCREENSHOT_MAX_SERIAL_TRIES) {
1744 filename = filename_base + (serial > 0 ? ("_" + itos(serial)) : "") + filename_ext;
1745 std::ifstream tmp(filename.c_str());
1747 break; // File did not apparently exist, we'll go with it
1751 if (serial == SCREENSHOT_MAX_SERIAL_TRIES) {
1752 infostream << "Could not find suitable filename for screenshot" << std::endl;
1754 irr::video::IImage* const image =
1755 driver->createImage(video::ECF_R8G8B8, raw_image->getDimension());
1758 raw_image->copyTo(image);
1760 std::ostringstream sstr;
1761 if (driver->writeImageToFile(image, filename.c_str(), quality)) {
1762 sstr << "Saved screenshot to '" << filename << "'";
1764 sstr << "Failed to save screenshot '" << filename << "'";
1766 pushToChatQueue(new ChatMessage(CHATMESSAGE_TYPE_SYSTEM,
1767 narrow_to_wide(sstr.str())));
1768 infostream << sstr.str() << std::endl;
1776 bool Client::shouldShowMinimap() const
1778 return !m_minimap_disabled_by_server;
1781 void Client::pushToEventQueue(ClientEvent *event)
1783 m_client_event_queue.push(event);
1786 void Client::showMinimap(const bool show)
1788 m_game_ui->showMinimap(show);
1791 // IGameDef interface
1793 IItemDefManager* Client::getItemDefManager()
1797 const NodeDefManager* Client::getNodeDefManager()
1801 ICraftDefManager* Client::getCraftDefManager()
1804 //return m_craftdef;
1806 ITextureSource* Client::getTextureSource()
1810 IShaderSource* Client::getShaderSource()
1815 u16 Client::allocateUnknownNodeId(const std::string &name)
1817 errorstream << "Client::allocateUnknownNodeId(): "
1818 << "Client cannot allocate node IDs" << std::endl;
1819 FATAL_ERROR("Client allocated unknown node");
1821 return CONTENT_IGNORE;
1823 ISoundManager* Client::getSoundManager()
1827 MtEventManager* Client::getEventManager()
1832 ParticleManager* Client::getParticleManager()
1834 return &m_particle_manager;
1837 scene::IAnimatedMesh* Client::getMesh(const std::string &filename, bool cache)
1839 StringMap::const_iterator it = m_mesh_data.find(filename);
1840 if (it == m_mesh_data.end()) {
1841 errorstream << "Client::getMesh(): Mesh not found: \"" << filename
1842 << "\"" << std::endl;
1845 const std::string &data = it->second;
1847 // Create the mesh, remove it from cache and return it
1848 // This allows unique vertex colors and other properties for each instance
1849 Buffer<char> data_rw(data.c_str(), data.size()); // Const-incorrect Irrlicht
1850 io::IReadFile *rfile = RenderingEngine::get_filesystem()->createMemoryReadFile(
1851 *data_rw, data_rw.getSize(), filename.c_str());
1852 FATAL_ERROR_IF(!rfile, "Could not create/open RAM file");
1854 scene::IAnimatedMesh *mesh = RenderingEngine::get_scene_manager()->getMesh(rfile);
1858 RenderingEngine::get_mesh_cache()->removeMesh(mesh);
1862 const std::string* Client::getModFile(const std::string &filename)
1864 StringMap::const_iterator it = m_mod_files.find(filename);
1865 if (it == m_mod_files.end()) {
1866 errorstream << "Client::getModFile(): File not found: \"" << filename
1867 << "\"" << std::endl;
1873 bool Client::registerModStorage(ModMetadata *storage)
1875 if (m_mod_storages.find(storage->getModName()) != m_mod_storages.end()) {
1876 errorstream << "Unable to register same mod storage twice. Storage name: "
1877 << storage->getModName() << std::endl;
1881 m_mod_storages[storage->getModName()] = storage;
1885 void Client::unregisterModStorage(const std::string &name)
1887 std::unordered_map<std::string, ModMetadata *>::const_iterator it =
1888 m_mod_storages.find(name);
1889 if (it != m_mod_storages.end()) {
1890 // Save unconditionaly on unregistration
1891 it->second->save(getModStoragePath());
1892 m_mod_storages.erase(name);
1896 std::string Client::getModStoragePath() const
1898 return porting::path_user + DIR_DELIM + "client" + DIR_DELIM + "mod_storage";
1905 bool Client::joinModChannel(const std::string &channel)
1907 if (m_modchannel_mgr->channelRegistered(channel))
1910 NetworkPacket pkt(TOSERVER_MODCHANNEL_JOIN, 2 + channel.size());
1914 m_modchannel_mgr->joinChannel(channel, 0);
1918 bool Client::leaveModChannel(const std::string &channel)
1920 if (!m_modchannel_mgr->channelRegistered(channel))
1923 NetworkPacket pkt(TOSERVER_MODCHANNEL_LEAVE, 2 + channel.size());
1927 m_modchannel_mgr->leaveChannel(channel, 0);
1931 bool Client::sendModChannelMessage(const std::string &channel, const std::string &message)
1933 if (!m_modchannel_mgr->canWriteOnChannel(channel))
1936 if (message.size() > STRING_MAX_LEN) {
1937 warningstream << "ModChannel message too long, dropping before sending "
1938 << " (" << message.size() << " > " << STRING_MAX_LEN << ", channel: "
1939 << channel << ")" << std::endl;
1943 // @TODO: do some client rate limiting
1944 NetworkPacket pkt(TOSERVER_MODCHANNEL_MSG, 2 + channel.size() + 2 + message.size());
1945 pkt << channel << message;
1950 ModChannel* Client::getModChannel(const std::string &channel)
1952 return m_modchannel_mgr->getModChannel(channel);