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/networkpacket.h"
28 #include "threading/mutex_auto_lock.h"
29 #include "client/renderingengine.h"
30 #include "util/auth.h"
31 #include "util/directiontables.h"
32 #include "util/pointedthing.h"
33 #include "util/serialize.h"
34 #include "util/string.h"
37 #include "mapblock_mesh.h"
43 #include "clientmap.h"
44 #include "clientmedia.h"
46 #include "database-sqlite3.h"
47 #include "serialization.h"
48 #include "guiscalingfilter.h"
49 #include "script/scripting_client.h"
51 #include "chatmessage.h"
53 extern gui::IGUIEnvironment* guienv;
60 const char *playername,
61 const std::string &password,
62 const std::string &address_name,
63 MapDrawControl &control,
64 IWritableTextureSource *tsrc,
65 IWritableShaderSource *shsrc,
66 IWritableItemDefManager *itemdef,
67 IWritableNodeDefManager *nodedef,
69 MtEventManager *event,
71 GameUIFlags *game_ui_flags
79 m_mesh_update_thread(this),
81 new ClientMap(this, control, 666),
84 m_particle_manager(&m_env),
85 m_con(PROTOCOL_ID, 512, CONNECTION_TIMEOUT, ipv6, this),
86 m_address_name(address_name),
87 m_server_ser_ver(SER_FMT_VER_INVALID),
88 m_last_chat_message_sent(time(NULL)),
90 m_chosen_auth_mech(AUTH_MECHANISM_NONE),
91 m_media_downloader(new ClientMediaDownloader()),
93 m_game_ui_flags(game_ui_flags)
96 m_env.setLocalPlayer(new LocalPlayer(this, playername));
98 if (g_settings->getBool("enable_minimap")) {
99 m_minimap = new Minimap(this);
101 m_cache_save_interval = g_settings->getU16("server_map_save_interval");
103 m_modding_enabled = g_settings->getBool("enable_client_modding");
104 m_script = new ClientScripting(this);
105 m_env.setScript(m_script);
106 m_script->setEnv(&m_env);
109 void Client::loadMods()
112 scanModIntoMemory(BUILTIN_MOD_NAME, getBuiltinLuaPath());
114 // If modding is not enabled, don't load mods, just builtin
115 if (!m_modding_enabled) {
118 ClientModConfiguration modconf(getClientModsLuaPath());
119 m_mods = modconf.getMods();
120 std::vector<ModSpec> unsatisfied_mods = modconf.getUnsatisfiedMods();
121 // complain about mods with unsatisfied dependencies
122 if (!modconf.isConsistent()) {
123 modconf.printUnsatisfiedModsError();
127 infostream << "Client Loading mods: ";
128 for (const ModSpec &mod : m_mods)
129 infostream << mod.name << " ";
130 infostream << std::endl;
132 // Load and run "mod" scripts
133 for (const ModSpec &mod : m_mods) {
134 if (!string_allowed(mod.name, MODNAME_ALLOWED_CHARS)) {
135 throw ModError("Error loading mod \"" + mod.name +
136 "\": Mod name does not follow naming conventions: "
137 "Only characters [a-z0-9_] are allowed.");
139 scanModIntoMemory(mod.name, mod.path);
143 void Client::scanModSubfolder(const std::string &mod_name, const std::string &mod_path,
144 std::string mod_subpath)
146 std::string full_path = mod_path + DIR_DELIM + mod_subpath;
147 std::vector<fs::DirListNode> mod = fs::GetDirListing(full_path);
148 for (const fs::DirListNode &j : mod) {
149 std::string filename = j.name;
151 scanModSubfolder(mod_name, mod_path, mod_subpath
152 + filename + DIR_DELIM);
155 std::replace( mod_subpath.begin(), mod_subpath.end(), DIR_DELIM_CHAR, '/');
156 m_mod_files[mod_name + ":" + mod_subpath + filename] = full_path + filename;
160 void Client::initMods()
162 m_script->loadModFromMemory(BUILTIN_MOD_NAME);
164 // If modding is not enabled, don't load mods, just builtin
165 if (!m_modding_enabled) {
169 // Load and run "mod" scripts
170 for (const ModSpec &mod : m_mods)
171 m_script->loadModFromMemory(mod.name);
174 const std::string &Client::getBuiltinLuaPath()
176 static const std::string builtin_dir = porting::path_share + DIR_DELIM + "builtin";
180 const std::string &Client::getClientModsLuaPath()
182 static const std::string clientmods_dir = porting::path_share + DIR_DELIM + "clientmods";
183 return clientmods_dir;
186 const std::vector<ModSpec>& Client::getMods() const
188 static std::vector<ModSpec> client_modspec_temp;
189 return client_modspec_temp;
192 const ModSpec* Client::getModSpec(const std::string &modname) const
200 // Don't disable this part when modding is disabled, it's used in builtin
201 m_script->on_shutdown();
202 //request all client managed threads to stop
203 m_mesh_update_thread.stop();
204 // Save local server map
206 infostream << "Local map saving ended." << std::endl;
207 m_localdb->endSave();
213 bool Client::isShutdown()
215 return m_shutdown || !m_mesh_update_thread.isRunning();
223 m_mesh_update_thread.stop();
224 m_mesh_update_thread.wait();
225 while (!m_mesh_update_thread.m_queue_out.empty()) {
226 MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_frontNoEx();
231 delete m_inventory_from_server;
233 // Delete detached inventories
234 for (auto &m_detached_inventorie : m_detached_inventories) {
235 delete m_detached_inventorie.second;
238 // cleanup 3d model meshes on client shutdown
239 while (RenderingEngine::get_mesh_cache()->getMeshCount() != 0) {
240 scene::IAnimatedMesh *mesh = RenderingEngine::get_mesh_cache()->getMeshByIndex(0);
243 RenderingEngine::get_mesh_cache()->removeMesh(mesh);
249 void Client::connect(Address address, bool is_local_server)
251 DSTACK(FUNCTION_NAME);
253 initLocalMapSaving(address, m_address_name, is_local_server);
255 m_con.SetTimeoutMs(0);
256 m_con.Connect(address);
259 void Client::step(float dtime)
261 DSTACK(FUNCTION_NAME);
267 if(m_ignore_damage_timer > dtime)
268 m_ignore_damage_timer -= dtime;
270 m_ignore_damage_timer = 0.0;
272 m_animation_time += dtime;
273 if(m_animation_time > 60.0)
274 m_animation_time -= 60.0;
276 m_time_of_day_update_timer += dtime;
284 float &counter = m_packetcounter_timer;
290 infostream << "Client packetcounter (" << m_packetcounter_timer
292 m_packetcounter.print(infostream);
293 m_packetcounter.clear();
297 // UGLY hack to fix 2 second startup delay caused by non existent
298 // server client startup synchronization in local server or singleplayer mode
299 static bool initial_step = true;
301 initial_step = false;
303 else if(m_state == LC_Created) {
304 float &counter = m_connection_reinit_timer;
309 LocalPlayer *myplayer = m_env.getLocalPlayer();
310 FATAL_ERROR_IF(myplayer == NULL, "Local player not found in environment.");
312 u16 proto_version_min = g_settings->getFlag("send_pre_v25_init") ?
313 CLIENT_PROTOCOL_VERSION_MIN_LEGACY : CLIENT_PROTOCOL_VERSION_MIN;
315 if (proto_version_min < 25) {
316 // Send TOSERVER_INIT_LEGACY
317 // [0] u16 TOSERVER_INIT_LEGACY
318 // [2] u8 SER_FMT_VER_HIGHEST_READ
319 // [3] u8[20] player_name
320 // [23] u8[28] password (new in some version)
321 // [51] u16 minimum supported network protocol version (added sometime)
322 // [53] u16 maximum supported network protocol version (added later than the previous one)
324 char pName[PLAYERNAME_SIZE];
325 char pPassword[PASSWORD_SIZE];
326 memset(pName, 0, PLAYERNAME_SIZE * sizeof(char));
327 memset(pPassword, 0, PASSWORD_SIZE * sizeof(char));
329 std::string hashed_password = translate_password(myplayer->getName(), m_password);
330 snprintf(pName, PLAYERNAME_SIZE, "%s", myplayer->getName());
331 snprintf(pPassword, PASSWORD_SIZE, "%s", hashed_password.c_str());
333 sendLegacyInit(pName, pPassword);
335 if (CLIENT_PROTOCOL_VERSION_MAX >= 25)
336 sendInit(myplayer->getName());
339 // Not connected, return
344 Do stuff if connected
348 Run Map's timers and unload unused data
350 const float map_timer_and_unload_dtime = 5.25;
351 if(m_map_timer_and_unload_interval.step(dtime, map_timer_and_unload_dtime)) {
352 ScopeProfiler sp(g_profiler, "Client: map timer and unload");
353 std::vector<v3s16> deleted_blocks;
354 m_env.getMap().timerUpdate(map_timer_and_unload_dtime,
355 g_settings->getFloat("client_unload_unused_data_timeout"),
356 g_settings->getS32("client_mapblock_limit"),
361 NOTE: This loop is intentionally iterated the way it is.
364 std::vector<v3s16>::iterator i = deleted_blocks.begin();
365 std::vector<v3s16> sendlist;
367 if(sendlist.size() == 255 || i == deleted_blocks.end()) {
378 sendDeletedBlocks(sendlist);
380 if(i == deleted_blocks.end())
386 sendlist.push_back(*i);
392 Send pending messages on out chat queue
394 if (!m_out_chat_queue.empty() && canSendChatMessage()) {
395 sendChatMessage(m_out_chat_queue.front());
396 m_out_chat_queue.pop();
402 // Control local player (0ms)
403 LocalPlayer *player = m_env.getLocalPlayer();
405 player->applyControl(dtime, &m_env);
409 m_sound->step(dtime);
414 while (m_env.hasClientEnvEvents()) {
415 ClientEnvEvent envEvent = m_env.getClientEnvEvent();
417 if (envEvent.type == CEE_PLAYER_DAMAGE) {
418 if (m_ignore_damage_timer <= 0) {
419 u8 damage = envEvent.player_damage.amount;
421 if (envEvent.player_damage.send_to_server)
424 // Add to ClientEvent queue
426 event.type = CE_PLAYER_DAMAGE;
427 event.player_damage.amount = damage;
428 m_client_event_queue.push(event);
431 // Protocol v29 or greater obsoleted this event
432 else if (envEvent.type == CEE_PLAYER_BREATH && m_proto_ver < 29) {
433 u16 breath = envEvent.player_breath.amount;
441 float &counter = m_avg_rtt_timer;
445 // connectedAndInitialized() is true, peer exists.
446 float avg_rtt = getRTT();
447 infostream << "Client: avg_rtt=" << avg_rtt << std::endl;
451 Send player position to server
454 float &counter = m_playerpos_send_timer;
456 if((m_state == LC_Ready) && (counter >= m_recommended_send_interval))
464 Replace updated meshes
467 int num_processed_meshes = 0;
468 while (!m_mesh_update_thread.m_queue_out.empty())
470 num_processed_meshes++;
472 MinimapMapblock *minimap_mapblock = NULL;
473 bool do_mapper_update = true;
475 MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_frontNoEx();
476 MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(r.p);
478 // Delete the old mesh
480 block->mesh = nullptr;
483 minimap_mapblock = r.mesh->moveMinimapMapblock();
484 if (minimap_mapblock == NULL)
485 do_mapper_update = false;
487 bool is_empty = true;
488 for (int l = 0; l < MAX_TILE_LAYERS; l++)
489 if (r.mesh->getMesh(l)->getMeshBufferCount() != 0)
495 // Replace with the new mesh
496 block->mesh = r.mesh;
502 if (m_minimap && do_mapper_update)
503 m_minimap->addBlock(r.p, minimap_mapblock);
505 if (r.ack_block_to_server) {
515 if (num_processed_meshes > 0)
516 g_profiler->graphAdd("num_processed_meshes", num_processed_meshes);
522 if (m_media_downloader && m_media_downloader->isStarted()) {
523 m_media_downloader->step(this);
524 if (m_media_downloader->isDone()) {
525 delete m_media_downloader;
526 m_media_downloader = NULL;
531 If the server didn't update the inventory in a while, revert
532 the local inventory (so the player notices the lag problem
533 and knows something is wrong).
535 if(m_inventory_from_server)
537 float interval = 10.0;
538 float count_before = floor(m_inventory_from_server_age / interval);
540 m_inventory_from_server_age += dtime;
542 float count_after = floor(m_inventory_from_server_age / interval);
544 if(count_after != count_before)
546 // Do this every <interval> seconds after TOCLIENT_INVENTORY
547 // Reset the locally changed inventory to the authoritative inventory
548 LocalPlayer *player = m_env.getLocalPlayer();
549 player->inventory = *m_inventory_from_server;
550 m_inventory_updated = true;
555 Update positions of sounds attached to objects
558 for (auto &m_sounds_to_object : m_sounds_to_objects) {
559 int client_id = m_sounds_to_object.first;
560 u16 object_id = m_sounds_to_object.second;
561 ClientActiveObject *cao = m_env.getActiveObject(object_id);
564 m_sound->updateSoundPosition(client_id, cao->getPosition());
569 Handle removed remotely initiated sounds
571 m_removed_sounds_check_timer += dtime;
572 if(m_removed_sounds_check_timer >= 2.32) {
573 m_removed_sounds_check_timer = 0;
574 // Find removed sounds and clear references to them
575 std::vector<s32> removed_server_ids;
576 for (std::unordered_map<s32, int>::iterator i = m_sounds_server_to_client.begin();
577 i != m_sounds_server_to_client.end();) {
578 s32 server_id = i->first;
579 int client_id = i->second;
581 if(!m_sound->soundExists(client_id)) {
582 m_sounds_server_to_client.erase(server_id);
583 m_sounds_client_to_server.erase(client_id);
584 m_sounds_to_objects.erase(client_id);
585 removed_server_ids.push_back(server_id);
590 if(!removed_server_ids.empty()) {
591 sendRemovedSounds(removed_server_ids);
595 m_mod_storage_save_timer -= dtime;
596 if (m_mod_storage_save_timer <= 0.0f) {
597 verbosestream << "Saving registered mod storages." << std::endl;
598 m_mod_storage_save_timer = g_settings->getFloat("server_map_save_interval");
599 for (std::unordered_map<std::string, ModMetadata *>::const_iterator
600 it = m_mod_storages.begin(); it != m_mod_storages.end(); ++it) {
601 if (it->second->isModified()) {
602 it->second->save(getModStoragePath());
608 if (m_localdb && m_localdb_save_interval.step(dtime,
609 m_cache_save_interval)) {
610 m_localdb->endSave();
611 m_localdb->beginSave();
615 bool Client::loadMedia(const std::string &data, const std::string &filename)
617 // Silly irrlicht's const-incorrectness
618 Buffer<char> data_rw(data.c_str(), data.size());
622 const char *image_ext[] = {
623 ".png", ".jpg", ".bmp", ".tga",
624 ".pcx", ".ppm", ".psd", ".wal", ".rgb",
627 name = removeStringEnd(filename, image_ext);
629 verbosestream<<"Client: Attempting to load image "
630 <<"file \""<<filename<<"\""<<std::endl;
632 io::IFileSystem *irrfs = RenderingEngine::get_filesystem();
633 video::IVideoDriver *vdrv = RenderingEngine::get_video_driver();
635 // Create an irrlicht memory file
636 io::IReadFile *rfile = irrfs->createMemoryReadFile(
637 *data_rw, data_rw.getSize(), "_tempreadfile");
639 FATAL_ERROR_IF(!rfile, "Could not create irrlicht memory file.");
642 video::IImage *img = vdrv->createImageFromFile(rfile);
644 errorstream<<"Client: Cannot create image from data of "
645 <<"file \""<<filename<<"\""<<std::endl;
650 m_tsrc->insertSourceImage(filename, img);
656 const char *sound_ext[] = {
657 ".0.ogg", ".1.ogg", ".2.ogg", ".3.ogg", ".4.ogg",
658 ".5.ogg", ".6.ogg", ".7.ogg", ".8.ogg", ".9.ogg",
661 name = removeStringEnd(filename, sound_ext);
663 verbosestream<<"Client: Attempting to load sound "
664 <<"file \""<<filename<<"\""<<std::endl;
665 m_sound->loadSoundData(name, data);
669 const char *model_ext[] = {
670 ".x", ".b3d", ".md2", ".obj",
674 name = removeStringEnd(filename, model_ext);
676 verbosestream<<"Client: Storing model into memory: "
677 <<"\""<<filename<<"\""<<std::endl;
678 if(m_mesh_data.count(filename))
679 errorstream<<"Multiple models with name \""<<filename.c_str()
680 <<"\" found; replacing previous model"<<std::endl;
681 m_mesh_data[filename] = data;
685 errorstream<<"Client: Don't know how to load file \""
686 <<filename<<"\""<<std::endl;
690 // Virtual methods from con::PeerHandler
691 void Client::peerAdded(con::Peer *peer)
693 infostream << "Client::peerAdded(): peer->id="
694 << peer->id << std::endl;
696 void Client::deletingPeer(con::Peer *peer, bool timeout)
698 infostream << "Client::deletingPeer(): "
699 "Server Peer is getting deleted "
700 << "(timeout=" << timeout << ")" << std::endl;
703 m_access_denied = true;
704 m_access_denied_reason = gettext("Connection timed out.");
710 u16 number of files requested
716 void Client::request_media(const std::vector<std::string> &file_requests)
718 std::ostringstream os(std::ios_base::binary);
719 writeU16(os, TOSERVER_REQUEST_MEDIA);
720 size_t file_requests_size = file_requests.size();
722 FATAL_ERROR_IF(file_requests_size > 0xFFFF, "Unsupported number of file requests");
724 // Packet dynamicly resized
725 NetworkPacket pkt(TOSERVER_REQUEST_MEDIA, 2 + 0);
727 pkt << (u16) (file_requests_size & 0xFFFF);
729 for (const std::string &file_request : file_requests) {
735 infostream << "Client: Sending media request list to server ("
736 << file_requests.size() << " files. packet size)" << std::endl;
739 void Client::initLocalMapSaving(const Address &address,
740 const std::string &hostname,
741 bool is_local_server)
743 if (!g_settings->getBool("enable_local_map_saving") || is_local_server) {
747 const std::string world_path = porting::path_user
748 + DIR_DELIM + "worlds"
749 + DIR_DELIM + "server_"
750 + hostname + "_" + std::to_string(address.getPort());
752 fs::CreateAllDirs(world_path);
754 m_localdb = new MapDatabaseSQLite3(world_path);
755 m_localdb->beginSave();
756 actionstream << "Local map saving started, map will be saved at '" << world_path << "'" << std::endl;
759 void Client::ReceiveAll()
761 DSTACK(FUNCTION_NAME);
762 u64 start_ms = porting::getTimeMs();
765 // Limit time even if there would be huge amounts of data to
767 if(porting::getTimeMs() > start_ms + 100)
772 g_profiler->graphAdd("client_received_packets", 1);
774 catch(con::NoIncomingDataException &e) {
777 catch(con::InvalidIncomingDataException &e) {
778 infostream<<"Client::ReceiveAll(): "
779 "InvalidIncomingDataException: what()="
780 <<e.what()<<std::endl;
785 void Client::Receive()
787 DSTACK(FUNCTION_NAME);
793 inline void Client::handleCommand(NetworkPacket* pkt)
795 const ToClientCommandHandler& opHandle = toClientCommandTable[pkt->getCommand()];
796 (this->*opHandle.handler)(pkt);
800 sender_peer_id given to this shall be quaranteed to be a valid peer
802 void Client::ProcessData(NetworkPacket *pkt)
804 DSTACK(FUNCTION_NAME);
806 ToClientCommand command = (ToClientCommand) pkt->getCommand();
807 u32 sender_peer_id = pkt->getPeerId();
809 //infostream<<"Client: received command="<<command<<std::endl;
810 m_packetcounter.add((u16)command);
813 If this check is removed, be sure to change the queue
814 system to know the ids
816 if(sender_peer_id != PEER_ID_SERVER) {
817 infostream << "Client::ProcessData(): Discarding data not "
818 "coming from server: peer_id=" << sender_peer_id
823 // Command must be handled into ToClientCommandHandler
824 if (command >= TOCLIENT_NUM_MSG_TYPES) {
825 infostream << "Client: Ignoring unknown command "
826 << command << std::endl;
831 * Those packets are handled before m_server_ser_ver is set, it's normal
832 * But we must use the new ToClientConnectionState in the future,
835 if(toClientCommandTable[command].state == TOCLIENT_STATE_NOT_CONNECTED) {
840 if(m_server_ser_ver == SER_FMT_VER_INVALID) {
841 infostream << "Client: Server serialization"
842 " format invalid or not initialized."
843 " Skipping incoming command=" << command << std::endl;
848 Handle runtime commands
854 void Client::Send(NetworkPacket* pkt)
856 m_con.Send(PEER_ID_SERVER,
857 serverCommandFactoryTable[pkt->getCommand()].channel,
859 serverCommandFactoryTable[pkt->getCommand()].reliable);
862 // Will fill up 12 + 12 + 4 + 4 + 4 bytes
863 void writePlayerPos(LocalPlayer *myplayer, ClientMap *clientMap, NetworkPacket *pkt)
865 v3f pf = myplayer->getPosition() * 100;
866 v3f sf = myplayer->getSpeed() * 100;
867 s32 pitch = myplayer->getPitch() * 100;
868 s32 yaw = myplayer->getYaw() * 100;
869 u32 keyPressed = myplayer->keyPressed;
870 // scaled by 80, so that pi can fit into a u8
871 u8 fov = clientMap->getCameraFov() * 80;
872 u8 wanted_range = MYMIN(255,
873 std::ceil(clientMap->getControl().wanted_range / MAP_BLOCKSIZE));
875 v3s32 position(pf.X, pf.Y, pf.Z);
876 v3s32 speed(sf.X, sf.Y, sf.Z);
880 [0] v3s32 position*100
882 [12+12] s32 pitch*100
883 [12+12+4] s32 yaw*100
884 [12+12+4+4] u32 keyPressed
885 [12+12+4+4+4] u8 fov*80
886 [12+12+4+4+4+1] u8 ceil(wanted_range / MAP_BLOCKSIZE)
888 *pkt << position << speed << pitch << yaw << keyPressed;
889 *pkt << fov << wanted_range;
892 void Client::interact(u8 action, const PointedThing& pointed)
894 if(m_state != LC_Ready) {
895 errorstream << "Client::interact() "
896 "Canceled (not connected)"
901 LocalPlayer *myplayer = m_env.getLocalPlayer();
902 if (myplayer == NULL)
909 [5] u32 length of the next item (plen)
910 [9] serialized PointedThing
911 [9 + plen] player position information
913 0: start digging (from undersurface) or use
914 1: stop digging (all parameters ignored)
916 3: place block or item (to abovesurface)
918 5: perform secondary action of item
921 NetworkPacket pkt(TOSERVER_INTERACT, 1 + 2 + 0);
924 pkt << (u16)getPlayerItem();
926 std::ostringstream tmp_os(std::ios::binary);
927 pointed.serialize(tmp_os);
929 pkt.putLongString(tmp_os.str());
931 writePlayerPos(myplayer, &m_env.getClientMap(), &pkt);
936 void Client::deleteAuthData()
941 switch (m_chosen_auth_mech) {
942 case AUTH_MECHANISM_FIRST_SRP:
944 case AUTH_MECHANISM_SRP:
945 case AUTH_MECHANISM_LEGACY_PASSWORD:
946 srp_user_delete((SRPUser *) m_auth_data);
949 case AUTH_MECHANISM_NONE:
952 m_chosen_auth_mech = AUTH_MECHANISM_NONE;
956 AuthMechanism Client::choseAuthMech(const u32 mechs)
958 if (mechs & AUTH_MECHANISM_SRP)
959 return AUTH_MECHANISM_SRP;
961 if (mechs & AUTH_MECHANISM_FIRST_SRP)
962 return AUTH_MECHANISM_FIRST_SRP;
964 if (mechs & AUTH_MECHANISM_LEGACY_PASSWORD)
965 return AUTH_MECHANISM_LEGACY_PASSWORD;
967 return AUTH_MECHANISM_NONE;
970 void Client::sendLegacyInit(const char* playerName, const char* playerPassword)
972 NetworkPacket pkt(TOSERVER_INIT_LEGACY,
973 1 + PLAYERNAME_SIZE + PASSWORD_SIZE + 2 + 2);
975 u16 proto_version_min = g_settings->getFlag("send_pre_v25_init") ?
976 CLIENT_PROTOCOL_VERSION_MIN_LEGACY : CLIENT_PROTOCOL_VERSION_MIN;
978 pkt << (u8) SER_FMT_VER_HIGHEST_READ;
979 pkt.putRawString(playerName,PLAYERNAME_SIZE);
980 pkt.putRawString(playerPassword, PASSWORD_SIZE);
981 pkt << (u16) proto_version_min << (u16) CLIENT_PROTOCOL_VERSION_MAX;
986 void Client::sendInit(const std::string &playerName)
988 NetworkPacket pkt(TOSERVER_INIT, 1 + 2 + 2 + (1 + playerName.size()));
990 // we don't support network compression yet
991 u16 supp_comp_modes = NETPROTO_COMPRESSION_NONE;
993 u16 proto_version_min = g_settings->getFlag("send_pre_v25_init") ?
994 CLIENT_PROTOCOL_VERSION_MIN_LEGACY : CLIENT_PROTOCOL_VERSION_MIN;
996 pkt << (u8) SER_FMT_VER_HIGHEST_READ << (u16) supp_comp_modes;
997 pkt << (u16) proto_version_min << (u16) CLIENT_PROTOCOL_VERSION_MAX;
1003 void Client::startAuth(AuthMechanism chosen_auth_mechanism)
1005 m_chosen_auth_mech = chosen_auth_mechanism;
1007 switch (chosen_auth_mechanism) {
1008 case AUTH_MECHANISM_FIRST_SRP: {
1009 // send srp verifier to server
1010 std::string verifier;
1012 generate_srp_verifier_and_salt(getPlayerName(), m_password,
1015 NetworkPacket resp_pkt(TOSERVER_FIRST_SRP, 0);
1016 resp_pkt << salt << verifier << (u8)((m_password.empty()) ? 1 : 0);
1021 case AUTH_MECHANISM_SRP:
1022 case AUTH_MECHANISM_LEGACY_PASSWORD: {
1025 if (chosen_auth_mechanism == AUTH_MECHANISM_LEGACY_PASSWORD) {
1026 m_password = translate_password(getPlayerName(), m_password);
1030 std::string playername_u = lowercase(getPlayerName());
1031 m_auth_data = srp_user_new(SRP_SHA256, SRP_NG_2048,
1032 getPlayerName().c_str(), playername_u.c_str(),
1033 (const unsigned char *) m_password.c_str(),
1034 m_password.length(), NULL, NULL);
1037 SRP_Result res = srp_user_start_authentication(
1038 (struct SRPUser *) m_auth_data, NULL, NULL, 0,
1039 (unsigned char **) &bytes_A, &len_A);
1040 FATAL_ERROR_IF(res != SRP_OK, "Creating local SRP user failed.");
1042 NetworkPacket resp_pkt(TOSERVER_SRP_BYTES_A, 0);
1043 resp_pkt << std::string(bytes_A, len_A) << based_on;
1047 case AUTH_MECHANISM_NONE:
1048 break; // not handled in this method
1052 void Client::sendDeletedBlocks(std::vector<v3s16> &blocks)
1054 NetworkPacket pkt(TOSERVER_DELETEDBLOCKS, 1 + sizeof(v3s16) * blocks.size());
1056 pkt << (u8) blocks.size();
1058 for (const v3s16 &block : blocks) {
1065 void Client::sendGotBlocks(v3s16 block)
1067 NetworkPacket pkt(TOSERVER_GOTBLOCKS, 1 + 6);
1068 pkt << (u8) 1 << block;
1072 void Client::sendRemovedSounds(std::vector<s32> &soundList)
1074 size_t server_ids = soundList.size();
1075 assert(server_ids <= 0xFFFF);
1077 NetworkPacket pkt(TOSERVER_REMOVED_SOUNDS, 2 + server_ids * 4);
1079 pkt << (u16) (server_ids & 0xFFFF);
1081 for (int sound_id : soundList)
1087 void Client::sendNodemetaFields(v3s16 p, const std::string &formname,
1088 const StringMap &fields)
1090 size_t fields_size = fields.size();
1092 FATAL_ERROR_IF(fields_size > 0xFFFF, "Unsupported number of nodemeta fields");
1094 NetworkPacket pkt(TOSERVER_NODEMETA_FIELDS, 0);
1096 pkt << p << formname << (u16) (fields_size & 0xFFFF);
1098 StringMap::const_iterator it;
1099 for (it = fields.begin(); it != fields.end(); ++it) {
1100 const std::string &name = it->first;
1101 const std::string &value = it->second;
1103 pkt.putLongString(value);
1109 void Client::sendInventoryFields(const std::string &formname,
1110 const StringMap &fields)
1112 size_t fields_size = fields.size();
1113 FATAL_ERROR_IF(fields_size > 0xFFFF, "Unsupported number of inventory fields");
1115 NetworkPacket pkt(TOSERVER_INVENTORY_FIELDS, 0);
1116 pkt << formname << (u16) (fields_size & 0xFFFF);
1118 StringMap::const_iterator it;
1119 for (it = fields.begin(); it != fields.end(); ++it) {
1120 const std::string &name = it->first;
1121 const std::string &value = it->second;
1123 pkt.putLongString(value);
1129 void Client::sendInventoryAction(InventoryAction *a)
1131 std::ostringstream os(std::ios_base::binary);
1136 std::string s = os.str();
1138 NetworkPacket pkt(TOSERVER_INVENTORY_ACTION, s.size());
1139 pkt.putRawString(s.c_str(),s.size());
1144 bool Client::canSendChatMessage() const
1146 u32 now = time(NULL);
1147 float time_passed = now - m_last_chat_message_sent;
1149 float virt_chat_message_allowance = m_chat_message_allowance + time_passed *
1150 (CLIENT_CHAT_MESSAGE_LIMIT_PER_10S / 8.0f);
1152 if (virt_chat_message_allowance < 1.0f)
1158 void Client::sendChatMessage(const std::wstring &message)
1160 const s16 max_queue_size = g_settings->getS16("max_out_chat_queue_size");
1161 if (canSendChatMessage()) {
1162 u32 now = time(NULL);
1163 float time_passed = now - m_last_chat_message_sent;
1164 m_last_chat_message_sent = time(NULL);
1166 m_chat_message_allowance += time_passed * (CLIENT_CHAT_MESSAGE_LIMIT_PER_10S / 8.0f);
1167 if (m_chat_message_allowance > CLIENT_CHAT_MESSAGE_LIMIT_PER_10S)
1168 m_chat_message_allowance = CLIENT_CHAT_MESSAGE_LIMIT_PER_10S;
1170 m_chat_message_allowance -= 1.0f;
1172 NetworkPacket pkt(TOSERVER_CHAT_MESSAGE, 2 + message.size() * sizeof(u16));
1177 } else if (m_out_chat_queue.size() < (u16) max_queue_size || max_queue_size == -1) {
1178 m_out_chat_queue.push(message);
1180 infostream << "Could not queue chat message because maximum out chat queue size ("
1181 << max_queue_size << ") is reached." << std::endl;
1185 void Client::clearOutChatQueue()
1187 m_out_chat_queue = std::queue<std::wstring>();
1190 void Client::sendChangePassword(const std::string &oldpassword,
1191 const std::string &newpassword)
1193 LocalPlayer *player = m_env.getLocalPlayer();
1197 std::string playername = player->getName();
1198 if (m_proto_ver >= 25) {
1199 // get into sudo mode and then send new password to server
1200 m_password = oldpassword;
1201 m_new_password = newpassword;
1202 startAuth(choseAuthMech(m_sudo_auth_methods));
1204 std::string oldpwd = translate_password(playername, oldpassword);
1205 std::string newpwd = translate_password(playername, newpassword);
1207 NetworkPacket pkt(TOSERVER_PASSWORD_LEGACY, 2 * PASSWORD_SIZE);
1209 for (u8 i = 0; i < PASSWORD_SIZE; i++) {
1210 pkt << (u8) (i < oldpwd.length() ? oldpwd[i] : 0);
1213 for (u8 i = 0; i < PASSWORD_SIZE; i++) {
1214 pkt << (u8) (i < newpwd.length() ? newpwd[i] : 0);
1221 void Client::sendDamage(u8 damage)
1223 DSTACK(FUNCTION_NAME);
1225 NetworkPacket pkt(TOSERVER_DAMAGE, sizeof(u8));
1230 void Client::sendBreath(u16 breath)
1232 DSTACK(FUNCTION_NAME);
1234 // Protocol v29 make this obsolete
1235 if (m_proto_ver >= 29)
1238 NetworkPacket pkt(TOSERVER_BREATH, sizeof(u16));
1243 void Client::sendRespawn()
1245 DSTACK(FUNCTION_NAME);
1247 NetworkPacket pkt(TOSERVER_RESPAWN, 0);
1251 void Client::sendReady()
1253 DSTACK(FUNCTION_NAME);
1255 NetworkPacket pkt(TOSERVER_CLIENT_READY,
1256 1 + 1 + 1 + 1 + 2 + sizeof(char) * strlen(g_version_hash));
1258 pkt << (u8) VERSION_MAJOR << (u8) VERSION_MINOR << (u8) VERSION_PATCH
1259 << (u8) 0 << (u16) strlen(g_version_hash);
1261 pkt.putRawString(g_version_hash, (u16) strlen(g_version_hash));
1265 void Client::sendPlayerPos()
1267 LocalPlayer *myplayer = m_env.getLocalPlayer();
1268 if(myplayer == NULL)
1271 ClientMap &map = m_env.getClientMap();
1273 u8 camera_fov = map.getCameraFov();
1274 u8 wanted_range = map.getControl().wanted_range;
1276 // Save bandwidth by only updating position when something changed
1277 if(myplayer->last_position == myplayer->getPosition() &&
1278 myplayer->last_speed == myplayer->getSpeed() &&
1279 myplayer->last_pitch == myplayer->getPitch() &&
1280 myplayer->last_yaw == myplayer->getYaw() &&
1281 myplayer->last_keyPressed == myplayer->keyPressed &&
1282 myplayer->last_camera_fov == camera_fov &&
1283 myplayer->last_wanted_range == wanted_range)
1286 myplayer->last_position = myplayer->getPosition();
1287 myplayer->last_speed = myplayer->getSpeed();
1288 myplayer->last_pitch = myplayer->getPitch();
1289 myplayer->last_yaw = myplayer->getYaw();
1290 myplayer->last_keyPressed = myplayer->keyPressed;
1291 myplayer->last_camera_fov = camera_fov;
1292 myplayer->last_wanted_range = wanted_range;
1294 //infostream << "Sending Player Position information" << std::endl;
1298 //MutexAutoLock lock(m_con_mutex); //bulk comment-out
1299 our_peer_id = m_con.GetPeerID();
1302 // Set peer id if not set already
1303 if(myplayer->peer_id == PEER_ID_INEXISTENT)
1304 myplayer->peer_id = our_peer_id;
1306 assert(myplayer->peer_id == our_peer_id);
1308 NetworkPacket pkt(TOSERVER_PLAYERPOS, 12 + 12 + 4 + 4 + 4 + 1 + 1);
1310 writePlayerPos(myplayer, &map, &pkt);
1315 void Client::sendPlayerItem(u16 item)
1317 LocalPlayer *myplayer = m_env.getLocalPlayer();
1318 if(myplayer == NULL)
1321 u16 our_peer_id = m_con.GetPeerID();
1323 // Set peer id if not set already
1324 if(myplayer->peer_id == PEER_ID_INEXISTENT)
1325 myplayer->peer_id = our_peer_id;
1326 assert(myplayer->peer_id == our_peer_id);
1328 NetworkPacket pkt(TOSERVER_PLAYERITEM, 2);
1335 void Client::removeNode(v3s16 p)
1337 std::map<v3s16, MapBlock*> modified_blocks;
1340 m_env.getMap().removeNodeAndUpdate(p, modified_blocks);
1342 catch(InvalidPositionException &e) {
1345 for (const auto &modified_block : modified_blocks) {
1346 addUpdateMeshTaskWithEdge(modified_block.first, false, true);
1351 * Helper function for Client Side Modding
1352 * Flavour is applied there, this should not be used for core engine
1354 * @param is_valid_position
1357 MapNode Client::getNode(v3s16 p, bool *is_valid_position)
1359 if (checkCSMFlavourLimit(CSMFlavourLimit::CSM_FL_LOOKUP_NODES)) {
1360 v3s16 ppos = floatToInt(m_env.getLocalPlayer()->getPosition(), BS);
1361 if ((u32) ppos.getDistanceFrom(p) > m_csm_noderange_limit) {
1362 *is_valid_position = false;
1366 return m_env.getMap().getNodeNoEx(p, is_valid_position);
1369 void Client::addNode(v3s16 p, MapNode n, bool remove_metadata)
1371 //TimeTaker timer1("Client::addNode()");
1373 std::map<v3s16, MapBlock*> modified_blocks;
1376 //TimeTaker timer3("Client::addNode(): addNodeAndUpdate");
1377 m_env.getMap().addNodeAndUpdate(p, n, modified_blocks, remove_metadata);
1379 catch(InvalidPositionException &e) {
1382 for (const auto &modified_block : modified_blocks) {
1383 addUpdateMeshTaskWithEdge(modified_block.first, false, true);
1387 void Client::setPlayerControl(PlayerControl &control)
1389 LocalPlayer *player = m_env.getLocalPlayer();
1391 player->control = control;
1394 void Client::selectPlayerItem(u16 item)
1396 m_playeritem = item;
1397 m_inventory_updated = true;
1398 sendPlayerItem(item);
1401 // Returns true if the inventory of the local player has been
1402 // updated from the server. If it is true, it is set to false.
1403 bool Client::getLocalInventoryUpdated()
1405 bool updated = m_inventory_updated;
1406 m_inventory_updated = false;
1410 // Copies the inventory of the local player to parameter
1411 void Client::getLocalInventory(Inventory &dst)
1413 LocalPlayer *player = m_env.getLocalPlayer();
1415 dst = player->inventory;
1418 Inventory* Client::getInventory(const InventoryLocation &loc)
1421 case InventoryLocation::UNDEFINED:
1424 case InventoryLocation::CURRENT_PLAYER:
1426 LocalPlayer *player = m_env.getLocalPlayer();
1428 return &player->inventory;
1431 case InventoryLocation::PLAYER:
1433 // Check if we are working with local player inventory
1434 LocalPlayer *player = m_env.getLocalPlayer();
1435 if (!player || strcmp(player->getName(), loc.name.c_str()) != 0)
1437 return &player->inventory;
1440 case InventoryLocation::NODEMETA:
1442 NodeMetadata *meta = m_env.getMap().getNodeMetadata(loc.p);
1445 return meta->getInventory();
1448 case InventoryLocation::DETACHED:
1450 if (m_detached_inventories.count(loc.name) == 0)
1452 return m_detached_inventories[loc.name];
1456 FATAL_ERROR("Invalid inventory location type.");
1462 void Client::inventoryAction(InventoryAction *a)
1465 Send it to the server
1467 sendInventoryAction(a);
1470 Predict some local inventory changes
1472 a->clientApply(this, this);
1478 float Client::getAnimationTime()
1480 return m_animation_time;
1483 int Client::getCrackLevel()
1485 return m_crack_level;
1488 v3s16 Client::getCrackPos()
1493 void Client::setCrack(int level, v3s16 pos)
1495 int old_crack_level = m_crack_level;
1496 v3s16 old_crack_pos = m_crack_pos;
1498 m_crack_level = level;
1501 if(old_crack_level >= 0 && (level < 0 || pos != old_crack_pos))
1504 addUpdateMeshTaskForNode(old_crack_pos, false, true);
1506 if(level >= 0 && (old_crack_level < 0 || pos != old_crack_pos))
1509 addUpdateMeshTaskForNode(pos, false, true);
1515 LocalPlayer *player = m_env.getLocalPlayer();
1520 bool Client::getChatMessage(std::wstring &res)
1522 if (m_chat_queue.empty())
1525 ChatMessage *chatMessage = m_chat_queue.front();
1530 switch (chatMessage->type) {
1531 case CHATMESSAGE_TYPE_RAW:
1532 case CHATMESSAGE_TYPE_ANNOUNCE:
1533 case CHATMESSAGE_TYPE_SYSTEM:
1534 res = chatMessage->message;
1536 case CHATMESSAGE_TYPE_NORMAL: {
1537 if (!chatMessage->sender.empty())
1538 res = L"<" + chatMessage->sender + L"> " + chatMessage->message;
1540 res = chatMessage->message;
1551 void Client::typeChatMessage(const std::wstring &message)
1553 // Discard empty line
1554 if (message.empty())
1557 // If message was ate by script API, don't send it to server
1558 if (m_script->on_sending_message(wide_to_utf8(message))) {
1563 sendChatMessage(message);
1566 if (message[0] != L'/') {
1567 // compatibility code
1568 if (m_proto_ver < 29) {
1569 LocalPlayer *player = m_env.getLocalPlayer();
1571 std::wstring name = narrow_to_wide(player->getName());
1572 pushToChatQueue(new ChatMessage(CHATMESSAGE_TYPE_NORMAL, message, name));
1577 void Client::addUpdateMeshTask(v3s16 p, bool ack_to_server, bool urgent)
1579 // Check if the block exists to begin with. In the case when a non-existing
1580 // neighbor is automatically added, it may not. In that case we don't want
1581 // to tell the mesh update thread about it.
1582 MapBlock *b = m_env.getMap().getBlockNoCreateNoEx(p);
1586 m_mesh_update_thread.updateBlock(&m_env.getMap(), p, ack_to_server, urgent);
1589 void Client::addUpdateMeshTaskWithEdge(v3s16 blockpos, bool ack_to_server, bool urgent)
1592 addUpdateMeshTask(blockpos, ack_to_server, urgent);
1594 catch(InvalidPositionException &e){}
1597 for (int i=0;i<6;i++)
1600 v3s16 p = blockpos + g_6dirs[i];
1601 addUpdateMeshTask(p, false, urgent);
1603 catch(InvalidPositionException &e){}
1607 void Client::addUpdateMeshTaskForNode(v3s16 nodepos, bool ack_to_server, bool urgent)
1611 infostream<<"Client::addUpdateMeshTaskForNode(): "
1612 <<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"
1616 v3s16 blockpos = getNodeBlockPos(nodepos);
1617 v3s16 blockpos_relative = blockpos * MAP_BLOCKSIZE;
1620 addUpdateMeshTask(blockpos, ack_to_server, urgent);
1622 catch(InvalidPositionException &e) {}
1625 if(nodepos.X == blockpos_relative.X){
1627 v3s16 p = blockpos + v3s16(-1,0,0);
1628 addUpdateMeshTask(p, false, urgent);
1630 catch(InvalidPositionException &e){}
1633 if(nodepos.Y == blockpos_relative.Y){
1635 v3s16 p = blockpos + v3s16(0,-1,0);
1636 addUpdateMeshTask(p, false, urgent);
1638 catch(InvalidPositionException &e){}
1641 if(nodepos.Z == blockpos_relative.Z){
1643 v3s16 p = blockpos + v3s16(0,0,-1);
1644 addUpdateMeshTask(p, false, urgent);
1646 catch(InvalidPositionException &e){}
1650 ClientEvent Client::getClientEvent()
1652 FATAL_ERROR_IF(m_client_event_queue.empty(),
1653 "Cannot getClientEvent, queue is empty.");
1655 ClientEvent event = m_client_event_queue.front();
1656 m_client_event_queue.pop();
1660 float Client::mediaReceiveProgress()
1662 if (m_media_downloader)
1663 return m_media_downloader->getProgress();
1665 return 1.0; // downloader only exists when not yet done
1668 typedef struct TextureUpdateArgs {
1669 gui::IGUIEnvironment *guienv;
1672 const wchar_t* text_base;
1673 ITextureSource *tsrc;
1674 } TextureUpdateArgs;
1676 void texture_update_progress(void *args, u32 progress, u32 max_progress)
1678 TextureUpdateArgs* targs = (TextureUpdateArgs*) args;
1679 u16 cur_percent = ceil(progress / (double) max_progress * 100.);
1681 // update the loading menu -- if neccessary
1682 bool do_draw = false;
1683 u64 time_ms = targs->last_time_ms;
1684 if (cur_percent != targs->last_percent) {
1685 targs->last_percent = cur_percent;
1686 time_ms = porting::getTimeMs();
1687 // only draw when the user will notice something:
1688 do_draw = (time_ms - targs->last_time_ms > 100);
1692 targs->last_time_ms = time_ms;
1693 std::basic_stringstream<wchar_t> strm;
1694 strm << targs->text_base << " " << targs->last_percent << "%...";
1695 RenderingEngine::draw_load_screen(strm.str(), targs->guienv, targs->tsrc, 0,
1696 72 + (u16) ((18. / 100.) * (double) targs->last_percent), true);
1700 void Client::afterContentReceived()
1702 infostream<<"Client::afterContentReceived() started"<<std::endl;
1703 assert(m_itemdef_received); // pre-condition
1704 assert(m_nodedef_received); // pre-condition
1705 assert(mediaReceived()); // pre-condition
1707 const wchar_t* text = wgettext("Loading textures...");
1709 // Clear cached pre-scaled 2D GUI images, as this cache
1710 // might have images with the same name but different
1711 // content from previous sessions.
1712 guiScalingCacheClear();
1714 // Rebuild inherited images and recreate textures
1715 infostream<<"- Rebuilding images and textures"<<std::endl;
1716 RenderingEngine::draw_load_screen(text, guienv, m_tsrc, 0, 70);
1717 m_tsrc->rebuildImagesAndTextures();
1721 infostream<<"- Rebuilding shaders"<<std::endl;
1722 text = wgettext("Rebuilding shaders...");
1723 RenderingEngine::draw_load_screen(text, guienv, m_tsrc, 0, 71);
1724 m_shsrc->rebuildShaders();
1727 // Update node aliases
1728 infostream<<"- Updating node aliases"<<std::endl;
1729 text = wgettext("Initializing nodes...");
1730 RenderingEngine::draw_load_screen(text, guienv, m_tsrc, 0, 72);
1731 m_nodedef->updateAliases(m_itemdef);
1732 std::string texture_path = g_settings->get("texture_path");
1733 if (!texture_path.empty() && fs::IsDir(texture_path))
1734 m_nodedef->applyTextureOverrides(texture_path + DIR_DELIM + "override.txt");
1735 m_nodedef->setNodeRegistrationStatus(true);
1736 m_nodedef->runNodeResolveCallbacks();
1739 // Update node textures and assign shaders to each tile
1740 infostream<<"- Updating node textures"<<std::endl;
1741 TextureUpdateArgs tu_args;
1742 tu_args.guienv = guienv;
1743 tu_args.last_time_ms = porting::getTimeMs();
1744 tu_args.last_percent = 0;
1745 tu_args.text_base = wgettext("Initializing nodes");
1746 tu_args.tsrc = m_tsrc;
1747 m_nodedef->updateTextures(this, texture_update_progress, &tu_args);
1748 delete[] tu_args.text_base;
1750 // Start mesh update thread after setting up content definitions
1751 infostream<<"- Starting mesh update thread"<<std::endl;
1752 m_mesh_update_thread.start();
1757 if (g_settings->getBool("enable_client_modding")) {
1758 m_script->on_client_ready(m_env.getLocalPlayer());
1759 m_script->on_connect();
1762 text = wgettext("Done!");
1763 RenderingEngine::draw_load_screen(text, guienv, m_tsrc, 0, 100);
1764 infostream<<"Client::afterContentReceived() done"<<std::endl;
1768 float Client::getRTT()
1770 return m_con.getPeerStat(PEER_ID_SERVER,con::AVG_RTT);
1773 float Client::getCurRate()
1775 return (m_con.getLocalStat(con::CUR_INC_RATE) +
1776 m_con.getLocalStat(con::CUR_DL_RATE));
1779 void Client::makeScreenshot()
1781 irr::video::IVideoDriver *driver = RenderingEngine::get_video_driver();
1782 irr::video::IImage* const raw_image = driver->createScreenShot();
1787 time_t t = time(NULL);
1788 struct tm *tm = localtime(&t);
1790 char timetstamp_c[64];
1791 strftime(timetstamp_c, sizeof(timetstamp_c), "%Y%m%d_%H%M%S", tm);
1793 std::string filename_base = g_settings->get("screenshot_path")
1795 + std::string("screenshot_")
1796 + std::string(timetstamp_c);
1797 std::string filename_ext = "." + g_settings->get("screenshot_format");
1798 std::string filename;
1800 u32 quality = (u32)g_settings->getS32("screenshot_quality");
1801 quality = MYMIN(MYMAX(quality, 0), 100) / 100.0 * 255;
1803 // Try to find a unique filename
1804 unsigned serial = 0;
1806 while (serial < SCREENSHOT_MAX_SERIAL_TRIES) {
1807 filename = filename_base + (serial > 0 ? ("_" + itos(serial)) : "") + filename_ext;
1808 std::ifstream tmp(filename.c_str());
1810 break; // File did not apparently exist, we'll go with it
1814 if (serial == SCREENSHOT_MAX_SERIAL_TRIES) {
1815 infostream << "Could not find suitable filename for screenshot" << std::endl;
1817 irr::video::IImage* const image =
1818 driver->createImage(video::ECF_R8G8B8, raw_image->getDimension());
1821 raw_image->copyTo(image);
1823 std::ostringstream sstr;
1824 if (driver->writeImageToFile(image, filename.c_str(), quality)) {
1825 sstr << "Saved screenshot to '" << filename << "'";
1827 sstr << "Failed to save screenshot '" << filename << "'";
1829 pushToChatQueue(new ChatMessage(CHATMESSAGE_TYPE_SYSTEM,
1830 narrow_to_wide(sstr.str())));
1831 infostream << sstr.str() << std::endl;
1839 bool Client::shouldShowMinimap() const
1841 return !m_minimap_disabled_by_server;
1844 void Client::showGameChat(const bool show)
1846 m_game_ui_flags->show_chat = show;
1849 void Client::showGameHud(const bool show)
1851 m_game_ui_flags->show_hud = show;
1854 void Client::showMinimap(const bool show)
1856 m_game_ui_flags->show_minimap = show;
1859 void Client::showProfiler(const bool show)
1861 m_game_ui_flags->show_profiler_graph = show;
1864 void Client::showGameFog(const bool show)
1866 m_game_ui_flags->force_fog_off = !show;
1869 void Client::showGameDebug(const bool show)
1871 m_game_ui_flags->show_debug = show;
1874 // IGameDef interface
1876 IItemDefManager* Client::getItemDefManager()
1880 INodeDefManager* Client::getNodeDefManager()
1884 ICraftDefManager* Client::getCraftDefManager()
1887 //return m_craftdef;
1889 ITextureSource* Client::getTextureSource()
1893 IShaderSource* Client::getShaderSource()
1898 u16 Client::allocateUnknownNodeId(const std::string &name)
1900 errorstream << "Client::allocateUnknownNodeId(): "
1901 << "Client cannot allocate node IDs" << std::endl;
1902 FATAL_ERROR("Client allocated unknown node");
1904 return CONTENT_IGNORE;
1906 ISoundManager* Client::getSoundManager()
1910 MtEventManager* Client::getEventManager()
1915 ParticleManager* Client::getParticleManager()
1917 return &m_particle_manager;
1920 scene::IAnimatedMesh* Client::getMesh(const std::string &filename)
1922 StringMap::const_iterator it = m_mesh_data.find(filename);
1923 if (it == m_mesh_data.end()) {
1924 errorstream << "Client::getMesh(): Mesh not found: \"" << filename
1925 << "\"" << std::endl;
1928 const std::string &data = it->second;
1930 // Create the mesh, remove it from cache and return it
1931 // This allows unique vertex colors and other properties for each instance
1932 Buffer<char> data_rw(data.c_str(), data.size()); // Const-incorrect Irrlicht
1933 io::IReadFile *rfile = RenderingEngine::get_filesystem()->createMemoryReadFile(
1934 *data_rw, data_rw.getSize(), filename.c_str());
1935 FATAL_ERROR_IF(!rfile, "Could not create/open RAM file");
1937 scene::IAnimatedMesh *mesh = RenderingEngine::get_scene_manager()->getMesh(rfile);
1939 // NOTE: By playing with Irrlicht refcounts, maybe we could cache a bunch
1940 // of uniquely named instances and re-use them
1942 RenderingEngine::get_mesh_cache()->removeMesh(mesh);
1946 const std::string* Client::getModFile(const std::string &filename)
1948 StringMap::const_iterator it = m_mod_files.find(filename);
1949 if (it == m_mod_files.end()) {
1950 errorstream << "Client::getModFile(): File not found: \"" << filename
1951 << "\"" << std::endl;
1957 bool Client::registerModStorage(ModMetadata *storage)
1959 if (m_mod_storages.find(storage->getModName()) != m_mod_storages.end()) {
1960 errorstream << "Unable to register same mod storage twice. Storage name: "
1961 << storage->getModName() << std::endl;
1965 m_mod_storages[storage->getModName()] = storage;
1969 void Client::unregisterModStorage(const std::string &name)
1971 std::unordered_map<std::string, ModMetadata *>::const_iterator it =
1972 m_mod_storages.find(name);
1973 if (it != m_mod_storages.end()) {
1974 // Save unconditionaly on unregistration
1975 it->second->save(getModStoragePath());
1976 m_mod_storages.erase(name);
1980 std::string Client::getModStoragePath() const
1982 return porting::path_user + DIR_DELIM + "client" + DIR_DELIM + "mod_storage";