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>
25 #include "threading/mutex_auto_lock.h"
26 #include "client/renderingengine.h"
27 #include "util/auth.h"
28 #include "util/directiontables.h"
29 #include "util/pointedthing.h"
30 #include "util/serialize.h"
31 #include "util/string.h"
34 #include "network/clientopcodes.h"
36 #include "mapblock_mesh.h"
42 #include "clientmap.h"
43 #include "clientmedia.h"
45 #include "database-sqlite3.h"
46 #include "serialization.h"
47 #include "guiscalingfilter.h"
48 #include "script/scripting_client.h"
50 #include "chatmessage.h"
52 extern gui::IGUIEnvironment* guienv;
59 const char *playername,
60 const std::string &password,
61 const std::string &address_name,
62 MapDrawControl &control,
63 IWritableTextureSource *tsrc,
64 IWritableShaderSource *shsrc,
65 IWritableItemDefManager *itemdef,
66 IWritableNodeDefManager *nodedef,
68 MtEventManager *event,
70 GameUIFlags *game_ui_flags
78 m_mesh_update_thread(this),
80 new ClientMap(this, control, 666),
83 m_particle_manager(&m_env),
84 m_con(PROTOCOL_ID, 512, CONNECTION_TIMEOUT, ipv6, this),
85 m_address_name(address_name),
86 m_server_ser_ver(SER_FMT_VER_INVALID),
87 m_last_chat_message_sent(time(NULL)),
89 m_chosen_auth_mech(AUTH_MECHANISM_NONE),
90 m_media_downloader(new ClientMediaDownloader()),
92 m_game_ui_flags(game_ui_flags)
95 m_env.setLocalPlayer(new LocalPlayer(this, playername));
97 if (g_settings->getBool("enable_minimap")) {
98 m_minimap = new Minimap(this);
100 m_cache_save_interval = g_settings->getU16("server_map_save_interval");
102 m_modding_enabled = g_settings->getBool("enable_client_modding");
103 m_script = new ClientScripting(this);
104 m_env.setScript(m_script);
105 m_script->setEnv(&m_env);
108 void Client::loadMods()
111 scanModIntoMemory(BUILTIN_MOD_NAME, getBuiltinLuaPath());
113 // If modding is not enabled, don't load mods, just builtin
114 if (!m_modding_enabled) {
117 ClientModConfiguration modconf(getClientModsLuaPath());
118 m_mods = modconf.getMods();
119 std::vector<ModSpec> unsatisfied_mods = modconf.getUnsatisfiedMods();
120 // complain about mods with unsatisfied dependencies
121 if (!modconf.isConsistent()) {
122 modconf.printUnsatisfiedModsError();
126 infostream << "Client Loading mods: ";
127 for (const ModSpec &mod : m_mods)
128 infostream << mod.name << " ";
129 infostream << std::endl;
131 // Load and run "mod" scripts
132 for (const ModSpec &mod : m_mods) {
133 if (!string_allowed(mod.name, MODNAME_ALLOWED_CHARS)) {
134 throw ModError("Error loading mod \"" + mod.name +
135 "\": Mod name does not follow naming conventions: "
136 "Only characters [a-z0-9_] are allowed.");
138 scanModIntoMemory(mod.name, mod.path);
142 void Client::scanModSubfolder(const std::string &mod_name, const std::string &mod_path,
143 std::string mod_subpath)
145 std::string full_path = mod_path + DIR_DELIM + mod_subpath;
146 std::vector<fs::DirListNode> mod = fs::GetDirListing(full_path);
147 for (const fs::DirListNode &j : mod) {
148 std::string filename = j.name;
150 scanModSubfolder(mod_name, mod_path, mod_subpath
151 + filename + DIR_DELIM);
154 std::replace( mod_subpath.begin(), mod_subpath.end(), DIR_DELIM_CHAR, '/');
155 m_mod_files[mod_name + ":" + mod_subpath + filename] = full_path + filename;
159 void Client::initMods()
161 m_script->loadModFromMemory(BUILTIN_MOD_NAME);
163 // If modding is not enabled, don't load mods, just builtin
164 if (!m_modding_enabled) {
168 // Load and run "mod" scripts
169 for (const ModSpec &mod : m_mods)
170 m_script->loadModFromMemory(mod.name);
173 const std::string &Client::getBuiltinLuaPath()
175 static const std::string builtin_dir = porting::path_share + DIR_DELIM + "builtin";
179 const std::string &Client::getClientModsLuaPath()
181 static const std::string clientmods_dir = porting::path_share + DIR_DELIM + "clientmods";
182 return clientmods_dir;
185 const std::vector<ModSpec>& Client::getMods() const
187 static std::vector<ModSpec> client_modspec_temp;
188 return client_modspec_temp;
191 const ModSpec* Client::getModSpec(const std::string &modname) const
199 // Don't disable this part when modding is disabled, it's used in builtin
200 m_script->on_shutdown();
201 //request all client managed threads to stop
202 m_mesh_update_thread.stop();
203 // Save local server map
205 infostream << "Local map saving ended." << std::endl;
206 m_localdb->endSave();
212 bool Client::isShutdown()
214 return m_shutdown || !m_mesh_update_thread.isRunning();
222 m_mesh_update_thread.stop();
223 m_mesh_update_thread.wait();
224 while (!m_mesh_update_thread.m_queue_out.empty()) {
225 MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_frontNoEx();
230 delete m_inventory_from_server;
232 // Delete detached inventories
233 for (auto &m_detached_inventorie : m_detached_inventories) {
234 delete m_detached_inventorie.second;
237 // cleanup 3d model meshes on client shutdown
238 while (RenderingEngine::get_mesh_cache()->getMeshCount() != 0) {
239 scene::IAnimatedMesh *mesh = RenderingEngine::get_mesh_cache()->getMeshByIndex(0);
242 RenderingEngine::get_mesh_cache()->removeMesh(mesh);
248 void Client::connect(Address address, bool is_local_server)
250 DSTACK(FUNCTION_NAME);
252 initLocalMapSaving(address, m_address_name, is_local_server);
254 m_con.SetTimeoutMs(0);
255 m_con.Connect(address);
258 void Client::step(float dtime)
260 DSTACK(FUNCTION_NAME);
266 if(m_ignore_damage_timer > dtime)
267 m_ignore_damage_timer -= dtime;
269 m_ignore_damage_timer = 0.0;
271 m_animation_time += dtime;
272 if(m_animation_time > 60.0)
273 m_animation_time -= 60.0;
275 m_time_of_day_update_timer += dtime;
283 float &counter = m_packetcounter_timer;
289 infostream << "Client packetcounter (" << m_packetcounter_timer
291 m_packetcounter.print(infostream);
292 m_packetcounter.clear();
296 // UGLY hack to fix 2 second startup delay caused by non existent
297 // server client startup synchronization in local server or singleplayer mode
298 static bool initial_step = true;
300 initial_step = false;
302 else if(m_state == LC_Created) {
303 float &counter = m_connection_reinit_timer;
308 LocalPlayer *myplayer = m_env.getLocalPlayer();
309 FATAL_ERROR_IF(myplayer == NULL, "Local player not found in environment.");
311 u16 proto_version_min = g_settings->getFlag("send_pre_v25_init") ?
312 CLIENT_PROTOCOL_VERSION_MIN_LEGACY : CLIENT_PROTOCOL_VERSION_MIN;
314 if (proto_version_min < 25) {
315 // Send TOSERVER_INIT_LEGACY
316 // [0] u16 TOSERVER_INIT_LEGACY
317 // [2] u8 SER_FMT_VER_HIGHEST_READ
318 // [3] u8[20] player_name
319 // [23] u8[28] password (new in some version)
320 // [51] u16 minimum supported network protocol version (added sometime)
321 // [53] u16 maximum supported network protocol version (added later than the previous one)
323 char pName[PLAYERNAME_SIZE];
324 char pPassword[PASSWORD_SIZE];
325 memset(pName, 0, PLAYERNAME_SIZE * sizeof(char));
326 memset(pPassword, 0, PASSWORD_SIZE * sizeof(char));
328 std::string hashed_password = translate_password(myplayer->getName(), m_password);
329 snprintf(pName, PLAYERNAME_SIZE, "%s", myplayer->getName());
330 snprintf(pPassword, PASSWORD_SIZE, "%s", hashed_password.c_str());
332 sendLegacyInit(pName, pPassword);
334 if (CLIENT_PROTOCOL_VERSION_MAX >= 25)
335 sendInit(myplayer->getName());
338 // Not connected, return
343 Do stuff if connected
347 Run Map's timers and unload unused data
349 const float map_timer_and_unload_dtime = 5.25;
350 if(m_map_timer_and_unload_interval.step(dtime, map_timer_and_unload_dtime)) {
351 ScopeProfiler sp(g_profiler, "Client: map timer and unload");
352 std::vector<v3s16> deleted_blocks;
353 m_env.getMap().timerUpdate(map_timer_and_unload_dtime,
354 g_settings->getFloat("client_unload_unused_data_timeout"),
355 g_settings->getS32("client_mapblock_limit"),
360 NOTE: This loop is intentionally iterated the way it is.
363 std::vector<v3s16>::iterator i = deleted_blocks.begin();
364 std::vector<v3s16> sendlist;
366 if(sendlist.size() == 255 || i == deleted_blocks.end()) {
377 sendDeletedBlocks(sendlist);
379 if(i == deleted_blocks.end())
385 sendlist.push_back(*i);
391 Send pending messages on out chat queue
393 if (!m_out_chat_queue.empty() && canSendChatMessage()) {
394 sendChatMessage(m_out_chat_queue.front());
395 m_out_chat_queue.pop();
401 // Control local player (0ms)
402 LocalPlayer *player = m_env.getLocalPlayer();
404 player->applyControl(dtime, &m_env);
408 m_sound->step(dtime);
413 while (m_env.hasClientEnvEvents()) {
414 ClientEnvEvent envEvent = m_env.getClientEnvEvent();
416 if (envEvent.type == CEE_PLAYER_DAMAGE) {
417 if (m_ignore_damage_timer <= 0) {
418 u8 damage = envEvent.player_damage.amount;
420 if (envEvent.player_damage.send_to_server)
423 // Add to ClientEvent queue
425 event.type = CE_PLAYER_DAMAGE;
426 event.player_damage.amount = damage;
427 m_client_event_queue.push(event);
430 // Protocol v29 or greater obsoleted this event
431 else if (envEvent.type == CEE_PLAYER_BREATH && m_proto_ver < 29) {
432 u16 breath = envEvent.player_breath.amount;
440 float &counter = m_avg_rtt_timer;
444 // connectedAndInitialized() is true, peer exists.
445 float avg_rtt = getRTT();
446 infostream << "Client: avg_rtt=" << avg_rtt << std::endl;
450 Send player position to server
453 float &counter = m_playerpos_send_timer;
455 if((m_state == LC_Ready) && (counter >= m_recommended_send_interval))
463 Replace updated meshes
466 int num_processed_meshes = 0;
467 while (!m_mesh_update_thread.m_queue_out.empty())
469 num_processed_meshes++;
471 MinimapMapblock *minimap_mapblock = NULL;
472 bool do_mapper_update = true;
474 MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_frontNoEx();
475 MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(r.p);
477 // Delete the old mesh
479 block->mesh = nullptr;
482 minimap_mapblock = r.mesh->moveMinimapMapblock();
483 if (minimap_mapblock == NULL)
484 do_mapper_update = false;
486 bool is_empty = true;
487 for (int l = 0; l < MAX_TILE_LAYERS; l++)
488 if (r.mesh->getMesh(l)->getMeshBufferCount() != 0)
494 // Replace with the new mesh
495 block->mesh = r.mesh;
501 if (m_minimap && do_mapper_update)
502 m_minimap->addBlock(r.p, minimap_mapblock);
504 if (r.ack_block_to_server) {
514 if (num_processed_meshes > 0)
515 g_profiler->graphAdd("num_processed_meshes", num_processed_meshes);
521 if (m_media_downloader && m_media_downloader->isStarted()) {
522 m_media_downloader->step(this);
523 if (m_media_downloader->isDone()) {
524 delete m_media_downloader;
525 m_media_downloader = NULL;
530 If the server didn't update the inventory in a while, revert
531 the local inventory (so the player notices the lag problem
532 and knows something is wrong).
534 if(m_inventory_from_server)
536 float interval = 10.0;
537 float count_before = floor(m_inventory_from_server_age / interval);
539 m_inventory_from_server_age += dtime;
541 float count_after = floor(m_inventory_from_server_age / interval);
543 if(count_after != count_before)
545 // Do this every <interval> seconds after TOCLIENT_INVENTORY
546 // Reset the locally changed inventory to the authoritative inventory
547 LocalPlayer *player = m_env.getLocalPlayer();
548 player->inventory = *m_inventory_from_server;
549 m_inventory_updated = true;
554 Update positions of sounds attached to objects
557 for (auto &m_sounds_to_object : m_sounds_to_objects) {
558 int client_id = m_sounds_to_object.first;
559 u16 object_id = m_sounds_to_object.second;
560 ClientActiveObject *cao = m_env.getActiveObject(object_id);
563 m_sound->updateSoundPosition(client_id, cao->getPosition());
568 Handle removed remotely initiated sounds
570 m_removed_sounds_check_timer += dtime;
571 if(m_removed_sounds_check_timer >= 2.32) {
572 m_removed_sounds_check_timer = 0;
573 // Find removed sounds and clear references to them
574 std::vector<s32> removed_server_ids;
575 for (std::unordered_map<s32, int>::iterator i = m_sounds_server_to_client.begin();
576 i != m_sounds_server_to_client.end();) {
577 s32 server_id = i->first;
578 int client_id = i->second;
580 if(!m_sound->soundExists(client_id)) {
581 m_sounds_server_to_client.erase(server_id);
582 m_sounds_client_to_server.erase(client_id);
583 m_sounds_to_objects.erase(client_id);
584 removed_server_ids.push_back(server_id);
589 if(!removed_server_ids.empty()) {
590 sendRemovedSounds(removed_server_ids);
594 m_mod_storage_save_timer -= dtime;
595 if (m_mod_storage_save_timer <= 0.0f) {
596 verbosestream << "Saving registered mod storages." << std::endl;
597 m_mod_storage_save_timer = g_settings->getFloat("server_map_save_interval");
598 for (std::unordered_map<std::string, ModMetadata *>::const_iterator
599 it = m_mod_storages.begin(); it != m_mod_storages.end(); ++it) {
600 if (it->second->isModified()) {
601 it->second->save(getModStoragePath());
607 if (m_localdb && m_localdb_save_interval.step(dtime,
608 m_cache_save_interval)) {
609 m_localdb->endSave();
610 m_localdb->beginSave();
614 bool Client::loadMedia(const std::string &data, const std::string &filename)
616 // Silly irrlicht's const-incorrectness
617 Buffer<char> data_rw(data.c_str(), data.size());
621 const char *image_ext[] = {
622 ".png", ".jpg", ".bmp", ".tga",
623 ".pcx", ".ppm", ".psd", ".wal", ".rgb",
626 name = removeStringEnd(filename, image_ext);
628 verbosestream<<"Client: Attempting to load image "
629 <<"file \""<<filename<<"\""<<std::endl;
631 io::IFileSystem *irrfs = RenderingEngine::get_filesystem();
632 video::IVideoDriver *vdrv = RenderingEngine::get_video_driver();
634 // Create an irrlicht memory file
635 io::IReadFile *rfile = irrfs->createMemoryReadFile(
636 *data_rw, data_rw.getSize(), "_tempreadfile");
638 FATAL_ERROR_IF(!rfile, "Could not create irrlicht memory file.");
641 video::IImage *img = vdrv->createImageFromFile(rfile);
643 errorstream<<"Client: Cannot create image from data of "
644 <<"file \""<<filename<<"\""<<std::endl;
649 m_tsrc->insertSourceImage(filename, img);
655 const char *sound_ext[] = {
656 ".0.ogg", ".1.ogg", ".2.ogg", ".3.ogg", ".4.ogg",
657 ".5.ogg", ".6.ogg", ".7.ogg", ".8.ogg", ".9.ogg",
660 name = removeStringEnd(filename, sound_ext);
662 verbosestream<<"Client: Attempting to load sound "
663 <<"file \""<<filename<<"\""<<std::endl;
664 m_sound->loadSoundData(name, data);
668 const char *model_ext[] = {
669 ".x", ".b3d", ".md2", ".obj",
673 name = removeStringEnd(filename, model_ext);
675 verbosestream<<"Client: Storing model into memory: "
676 <<"\""<<filename<<"\""<<std::endl;
677 if(m_mesh_data.count(filename))
678 errorstream<<"Multiple models with name \""<<filename.c_str()
679 <<"\" found; replacing previous model"<<std::endl;
680 m_mesh_data[filename] = data;
684 errorstream<<"Client: Don't know how to load file \""
685 <<filename<<"\""<<std::endl;
689 // Virtual methods from con::PeerHandler
690 void Client::peerAdded(con::Peer *peer)
692 infostream << "Client::peerAdded(): peer->id="
693 << peer->id << std::endl;
695 void Client::deletingPeer(con::Peer *peer, bool timeout)
697 infostream << "Client::deletingPeer(): "
698 "Server Peer is getting deleted "
699 << "(timeout=" << timeout << ")" << std::endl;
702 m_access_denied = true;
703 m_access_denied_reason = gettext("Connection timed out.");
709 u16 number of files requested
715 void Client::request_media(const std::vector<std::string> &file_requests)
717 std::ostringstream os(std::ios_base::binary);
718 writeU16(os, TOSERVER_REQUEST_MEDIA);
719 size_t file_requests_size = file_requests.size();
721 FATAL_ERROR_IF(file_requests_size > 0xFFFF, "Unsupported number of file requests");
723 // Packet dynamicly resized
724 NetworkPacket pkt(TOSERVER_REQUEST_MEDIA, 2 + 0);
726 pkt << (u16) (file_requests_size & 0xFFFF);
728 for (const std::string &file_request : file_requests) {
734 infostream << "Client: Sending media request list to server ("
735 << file_requests.size() << " files. packet size)" << std::endl;
738 void Client::initLocalMapSaving(const Address &address,
739 const std::string &hostname,
740 bool is_local_server)
742 if (!g_settings->getBool("enable_local_map_saving") || is_local_server) {
746 const std::string world_path = porting::path_user
747 + DIR_DELIM + "worlds"
748 + DIR_DELIM + "server_"
749 + hostname + "_" + std::to_string(address.getPort());
751 fs::CreateAllDirs(world_path);
753 m_localdb = new MapDatabaseSQLite3(world_path);
754 m_localdb->beginSave();
755 actionstream << "Local map saving started, map will be saved at '" << world_path << "'" << std::endl;
758 void Client::ReceiveAll()
760 DSTACK(FUNCTION_NAME);
761 u64 start_ms = porting::getTimeMs();
764 // Limit time even if there would be huge amounts of data to
766 if(porting::getTimeMs() > start_ms + 100)
771 g_profiler->graphAdd("client_received_packets", 1);
773 catch(con::NoIncomingDataException &e) {
776 catch(con::InvalidIncomingDataException &e) {
777 infostream<<"Client::ReceiveAll(): "
778 "InvalidIncomingDataException: what()="
779 <<e.what()<<std::endl;
784 void Client::Receive()
786 DSTACK(FUNCTION_NAME);
792 inline void Client::handleCommand(NetworkPacket* pkt)
794 const ToClientCommandHandler& opHandle = toClientCommandTable[pkt->getCommand()];
795 (this->*opHandle.handler)(pkt);
799 sender_peer_id given to this shall be quaranteed to be a valid peer
801 void Client::ProcessData(NetworkPacket *pkt)
803 DSTACK(FUNCTION_NAME);
805 ToClientCommand command = (ToClientCommand) pkt->getCommand();
806 u32 sender_peer_id = pkt->getPeerId();
808 //infostream<<"Client: received command="<<command<<std::endl;
809 m_packetcounter.add((u16)command);
812 If this check is removed, be sure to change the queue
813 system to know the ids
815 if(sender_peer_id != PEER_ID_SERVER) {
816 infostream << "Client::ProcessData(): Discarding data not "
817 "coming from server: peer_id=" << sender_peer_id
822 // Command must be handled into ToClientCommandHandler
823 if (command >= TOCLIENT_NUM_MSG_TYPES) {
824 infostream << "Client: Ignoring unknown command "
825 << command << std::endl;
830 * Those packets are handled before m_server_ser_ver is set, it's normal
831 * But we must use the new ToClientConnectionState in the future,
834 if(toClientCommandTable[command].state == TOCLIENT_STATE_NOT_CONNECTED) {
839 if(m_server_ser_ver == SER_FMT_VER_INVALID) {
840 infostream << "Client: Server serialization"
841 " format invalid or not initialized."
842 " Skipping incoming command=" << command << std::endl;
847 Handle runtime commands
853 void Client::Send(NetworkPacket* pkt)
855 m_con.Send(PEER_ID_SERVER,
856 serverCommandFactoryTable[pkt->getCommand()].channel,
858 serverCommandFactoryTable[pkt->getCommand()].reliable);
861 // Will fill up 12 + 12 + 4 + 4 + 4 bytes
862 void writePlayerPos(LocalPlayer *myplayer, ClientMap *clientMap, NetworkPacket *pkt)
864 v3f pf = myplayer->getPosition() * 100;
865 v3f sf = myplayer->getSpeed() * 100;
866 s32 pitch = myplayer->getPitch() * 100;
867 s32 yaw = myplayer->getYaw() * 100;
868 u32 keyPressed = myplayer->keyPressed;
869 // scaled by 80, so that pi can fit into a u8
870 u8 fov = clientMap->getCameraFov() * 80;
871 u8 wanted_range = MYMIN(255,
872 std::ceil(clientMap->getControl().wanted_range / MAP_BLOCKSIZE));
874 v3s32 position(pf.X, pf.Y, pf.Z);
875 v3s32 speed(sf.X, sf.Y, sf.Z);
879 [0] v3s32 position*100
881 [12+12] s32 pitch*100
882 [12+12+4] s32 yaw*100
883 [12+12+4+4] u32 keyPressed
884 [12+12+4+4+4] u8 fov*80
885 [12+12+4+4+4+1] u8 ceil(wanted_range / MAP_BLOCKSIZE)
887 *pkt << position << speed << pitch << yaw << keyPressed;
888 *pkt << fov << wanted_range;
891 void Client::interact(u8 action, const PointedThing& pointed)
893 if(m_state != LC_Ready) {
894 errorstream << "Client::interact() "
895 "Canceled (not connected)"
900 LocalPlayer *myplayer = m_env.getLocalPlayer();
901 if (myplayer == NULL)
908 [5] u32 length of the next item (plen)
909 [9] serialized PointedThing
910 [9 + plen] player position information
912 0: start digging (from undersurface) or use
913 1: stop digging (all parameters ignored)
915 3: place block or item (to abovesurface)
917 5: perform secondary action of item
920 NetworkPacket pkt(TOSERVER_INTERACT, 1 + 2 + 0);
923 pkt << (u16)getPlayerItem();
925 std::ostringstream tmp_os(std::ios::binary);
926 pointed.serialize(tmp_os);
928 pkt.putLongString(tmp_os.str());
930 writePlayerPos(myplayer, &m_env.getClientMap(), &pkt);
935 void Client::deleteAuthData()
940 switch (m_chosen_auth_mech) {
941 case AUTH_MECHANISM_FIRST_SRP:
943 case AUTH_MECHANISM_SRP:
944 case AUTH_MECHANISM_LEGACY_PASSWORD:
945 srp_user_delete((SRPUser *) m_auth_data);
948 case AUTH_MECHANISM_NONE:
951 m_chosen_auth_mech = AUTH_MECHANISM_NONE;
955 AuthMechanism Client::choseAuthMech(const u32 mechs)
957 if (mechs & AUTH_MECHANISM_SRP)
958 return AUTH_MECHANISM_SRP;
960 if (mechs & AUTH_MECHANISM_FIRST_SRP)
961 return AUTH_MECHANISM_FIRST_SRP;
963 if (mechs & AUTH_MECHANISM_LEGACY_PASSWORD)
964 return AUTH_MECHANISM_LEGACY_PASSWORD;
966 return AUTH_MECHANISM_NONE;
969 void Client::sendLegacyInit(const char* playerName, const char* playerPassword)
971 NetworkPacket pkt(TOSERVER_INIT_LEGACY,
972 1 + PLAYERNAME_SIZE + PASSWORD_SIZE + 2 + 2);
974 u16 proto_version_min = g_settings->getFlag("send_pre_v25_init") ?
975 CLIENT_PROTOCOL_VERSION_MIN_LEGACY : CLIENT_PROTOCOL_VERSION_MIN;
977 pkt << (u8) SER_FMT_VER_HIGHEST_READ;
978 pkt.putRawString(playerName,PLAYERNAME_SIZE);
979 pkt.putRawString(playerPassword, PASSWORD_SIZE);
980 pkt << (u16) proto_version_min << (u16) CLIENT_PROTOCOL_VERSION_MAX;
985 void Client::sendInit(const std::string &playerName)
987 NetworkPacket pkt(TOSERVER_INIT, 1 + 2 + 2 + (1 + playerName.size()));
989 // we don't support network compression yet
990 u16 supp_comp_modes = NETPROTO_COMPRESSION_NONE;
992 u16 proto_version_min = g_settings->getFlag("send_pre_v25_init") ?
993 CLIENT_PROTOCOL_VERSION_MIN_LEGACY : CLIENT_PROTOCOL_VERSION_MIN;
995 pkt << (u8) SER_FMT_VER_HIGHEST_READ << (u16) supp_comp_modes;
996 pkt << (u16) proto_version_min << (u16) CLIENT_PROTOCOL_VERSION_MAX;
1002 void Client::startAuth(AuthMechanism chosen_auth_mechanism)
1004 m_chosen_auth_mech = chosen_auth_mechanism;
1006 switch (chosen_auth_mechanism) {
1007 case AUTH_MECHANISM_FIRST_SRP: {
1008 // send srp verifier to server
1009 std::string verifier;
1011 generate_srp_verifier_and_salt(getPlayerName(), m_password,
1014 NetworkPacket resp_pkt(TOSERVER_FIRST_SRP, 0);
1015 resp_pkt << salt << verifier << (u8)((m_password.empty()) ? 1 : 0);
1020 case AUTH_MECHANISM_SRP:
1021 case AUTH_MECHANISM_LEGACY_PASSWORD: {
1024 if (chosen_auth_mechanism == AUTH_MECHANISM_LEGACY_PASSWORD) {
1025 m_password = translate_password(getPlayerName(), m_password);
1029 std::string playername_u = lowercase(getPlayerName());
1030 m_auth_data = srp_user_new(SRP_SHA256, SRP_NG_2048,
1031 getPlayerName().c_str(), playername_u.c_str(),
1032 (const unsigned char *) m_password.c_str(),
1033 m_password.length(), NULL, NULL);
1036 SRP_Result res = srp_user_start_authentication(
1037 (struct SRPUser *) m_auth_data, NULL, NULL, 0,
1038 (unsigned char **) &bytes_A, &len_A);
1039 FATAL_ERROR_IF(res != SRP_OK, "Creating local SRP user failed.");
1041 NetworkPacket resp_pkt(TOSERVER_SRP_BYTES_A, 0);
1042 resp_pkt << std::string(bytes_A, len_A) << based_on;
1046 case AUTH_MECHANISM_NONE:
1047 break; // not handled in this method
1051 void Client::sendDeletedBlocks(std::vector<v3s16> &blocks)
1053 NetworkPacket pkt(TOSERVER_DELETEDBLOCKS, 1 + sizeof(v3s16) * blocks.size());
1055 pkt << (u8) blocks.size();
1057 for (const v3s16 &block : blocks) {
1064 void Client::sendGotBlocks(v3s16 block)
1066 NetworkPacket pkt(TOSERVER_GOTBLOCKS, 1 + 6);
1067 pkt << (u8) 1 << block;
1071 void Client::sendRemovedSounds(std::vector<s32> &soundList)
1073 size_t server_ids = soundList.size();
1074 assert(server_ids <= 0xFFFF);
1076 NetworkPacket pkt(TOSERVER_REMOVED_SOUNDS, 2 + server_ids * 4);
1078 pkt << (u16) (server_ids & 0xFFFF);
1080 for (int sound_id : soundList)
1086 void Client::sendNodemetaFields(v3s16 p, const std::string &formname,
1087 const StringMap &fields)
1089 size_t fields_size = fields.size();
1091 FATAL_ERROR_IF(fields_size > 0xFFFF, "Unsupported number of nodemeta fields");
1093 NetworkPacket pkt(TOSERVER_NODEMETA_FIELDS, 0);
1095 pkt << p << formname << (u16) (fields_size & 0xFFFF);
1097 StringMap::const_iterator it;
1098 for (it = fields.begin(); it != fields.end(); ++it) {
1099 const std::string &name = it->first;
1100 const std::string &value = it->second;
1102 pkt.putLongString(value);
1108 void Client::sendInventoryFields(const std::string &formname,
1109 const StringMap &fields)
1111 size_t fields_size = fields.size();
1112 FATAL_ERROR_IF(fields_size > 0xFFFF, "Unsupported number of inventory fields");
1114 NetworkPacket pkt(TOSERVER_INVENTORY_FIELDS, 0);
1115 pkt << formname << (u16) (fields_size & 0xFFFF);
1117 StringMap::const_iterator it;
1118 for (it = fields.begin(); it != fields.end(); ++it) {
1119 const std::string &name = it->first;
1120 const std::string &value = it->second;
1122 pkt.putLongString(value);
1128 void Client::sendInventoryAction(InventoryAction *a)
1130 std::ostringstream os(std::ios_base::binary);
1135 std::string s = os.str();
1137 NetworkPacket pkt(TOSERVER_INVENTORY_ACTION, s.size());
1138 pkt.putRawString(s.c_str(),s.size());
1143 bool Client::canSendChatMessage() const
1145 u32 now = time(NULL);
1146 float time_passed = now - m_last_chat_message_sent;
1148 float virt_chat_message_allowance = m_chat_message_allowance + time_passed *
1149 (CLIENT_CHAT_MESSAGE_LIMIT_PER_10S / 8.0f);
1151 if (virt_chat_message_allowance < 1.0f)
1157 void Client::sendChatMessage(const std::wstring &message)
1159 const s16 max_queue_size = g_settings->getS16("max_out_chat_queue_size");
1160 if (canSendChatMessage()) {
1161 u32 now = time(NULL);
1162 float time_passed = now - m_last_chat_message_sent;
1163 m_last_chat_message_sent = time(NULL);
1165 m_chat_message_allowance += time_passed * (CLIENT_CHAT_MESSAGE_LIMIT_PER_10S / 8.0f);
1166 if (m_chat_message_allowance > CLIENT_CHAT_MESSAGE_LIMIT_PER_10S)
1167 m_chat_message_allowance = CLIENT_CHAT_MESSAGE_LIMIT_PER_10S;
1169 m_chat_message_allowance -= 1.0f;
1171 NetworkPacket pkt(TOSERVER_CHAT_MESSAGE, 2 + message.size() * sizeof(u16));
1176 } else if (m_out_chat_queue.size() < (u16) max_queue_size || max_queue_size == -1) {
1177 m_out_chat_queue.push(message);
1179 infostream << "Could not queue chat message because maximum out chat queue size ("
1180 << max_queue_size << ") is reached." << std::endl;
1184 void Client::clearOutChatQueue()
1186 m_out_chat_queue = std::queue<std::wstring>();
1189 void Client::sendChangePassword(const std::string &oldpassword,
1190 const std::string &newpassword)
1192 LocalPlayer *player = m_env.getLocalPlayer();
1196 std::string playername = player->getName();
1197 if (m_proto_ver >= 25) {
1198 // get into sudo mode and then send new password to server
1199 m_password = oldpassword;
1200 m_new_password = newpassword;
1201 startAuth(choseAuthMech(m_sudo_auth_methods));
1203 std::string oldpwd = translate_password(playername, oldpassword);
1204 std::string newpwd = translate_password(playername, newpassword);
1206 NetworkPacket pkt(TOSERVER_PASSWORD_LEGACY, 2 * PASSWORD_SIZE);
1208 for (u8 i = 0; i < PASSWORD_SIZE; i++) {
1209 pkt << (u8) (i < oldpwd.length() ? oldpwd[i] : 0);
1212 for (u8 i = 0; i < PASSWORD_SIZE; i++) {
1213 pkt << (u8) (i < newpwd.length() ? newpwd[i] : 0);
1220 void Client::sendDamage(u8 damage)
1222 DSTACK(FUNCTION_NAME);
1224 NetworkPacket pkt(TOSERVER_DAMAGE, sizeof(u8));
1229 void Client::sendBreath(u16 breath)
1231 DSTACK(FUNCTION_NAME);
1233 // Protocol v29 make this obsolete
1234 if (m_proto_ver >= 29)
1237 NetworkPacket pkt(TOSERVER_BREATH, sizeof(u16));
1242 void Client::sendRespawn()
1244 DSTACK(FUNCTION_NAME);
1246 NetworkPacket pkt(TOSERVER_RESPAWN, 0);
1250 void Client::sendReady()
1252 DSTACK(FUNCTION_NAME);
1254 NetworkPacket pkt(TOSERVER_CLIENT_READY,
1255 1 + 1 + 1 + 1 + 2 + sizeof(char) * strlen(g_version_hash));
1257 pkt << (u8) VERSION_MAJOR << (u8) VERSION_MINOR << (u8) VERSION_PATCH
1258 << (u8) 0 << (u16) strlen(g_version_hash);
1260 pkt.putRawString(g_version_hash, (u16) strlen(g_version_hash));
1264 void Client::sendPlayerPos()
1266 LocalPlayer *myplayer = m_env.getLocalPlayer();
1267 if(myplayer == NULL)
1270 ClientMap &map = m_env.getClientMap();
1272 u8 camera_fov = map.getCameraFov();
1273 u8 wanted_range = map.getControl().wanted_range;
1275 // Save bandwidth by only updating position when something changed
1276 if(myplayer->last_position == myplayer->getPosition() &&
1277 myplayer->last_speed == myplayer->getSpeed() &&
1278 myplayer->last_pitch == myplayer->getPitch() &&
1279 myplayer->last_yaw == myplayer->getYaw() &&
1280 myplayer->last_keyPressed == myplayer->keyPressed &&
1281 myplayer->last_camera_fov == camera_fov &&
1282 myplayer->last_wanted_range == wanted_range)
1285 myplayer->last_position = myplayer->getPosition();
1286 myplayer->last_speed = myplayer->getSpeed();
1287 myplayer->last_pitch = myplayer->getPitch();
1288 myplayer->last_yaw = myplayer->getYaw();
1289 myplayer->last_keyPressed = myplayer->keyPressed;
1290 myplayer->last_camera_fov = camera_fov;
1291 myplayer->last_wanted_range = wanted_range;
1293 //infostream << "Sending Player Position information" << std::endl;
1297 //MutexAutoLock lock(m_con_mutex); //bulk comment-out
1298 our_peer_id = m_con.GetPeerID();
1301 // Set peer id if not set already
1302 if(myplayer->peer_id == PEER_ID_INEXISTENT)
1303 myplayer->peer_id = our_peer_id;
1305 assert(myplayer->peer_id == our_peer_id);
1307 NetworkPacket pkt(TOSERVER_PLAYERPOS, 12 + 12 + 4 + 4 + 4 + 1 + 1);
1309 writePlayerPos(myplayer, &map, &pkt);
1314 void Client::sendPlayerItem(u16 item)
1316 LocalPlayer *myplayer = m_env.getLocalPlayer();
1317 if(myplayer == NULL)
1320 u16 our_peer_id = m_con.GetPeerID();
1322 // Set peer id if not set already
1323 if(myplayer->peer_id == PEER_ID_INEXISTENT)
1324 myplayer->peer_id = our_peer_id;
1325 assert(myplayer->peer_id == our_peer_id);
1327 NetworkPacket pkt(TOSERVER_PLAYERITEM, 2);
1334 void Client::removeNode(v3s16 p)
1336 std::map<v3s16, MapBlock*> modified_blocks;
1339 m_env.getMap().removeNodeAndUpdate(p, modified_blocks);
1341 catch(InvalidPositionException &e) {
1344 for (const auto &modified_block : modified_blocks) {
1345 addUpdateMeshTaskWithEdge(modified_block.first, false, true);
1350 * Helper function for Client Side Modding
1351 * Flavour is applied there, this should not be used for core engine
1353 * @param is_valid_position
1356 MapNode Client::getNode(v3s16 p, bool *is_valid_position)
1358 if (checkCSMFlavourLimit(CSMFlavourLimit::CSM_FL_LOOKUP_NODES)) {
1359 v3s16 ppos = floatToInt(m_env.getLocalPlayer()->getPosition(), BS);
1360 if ((u32) ppos.getDistanceFrom(p) > m_csm_noderange_limit) {
1361 *is_valid_position = false;
1365 return m_env.getMap().getNodeNoEx(p, is_valid_position);
1368 void Client::addNode(v3s16 p, MapNode n, bool remove_metadata)
1370 //TimeTaker timer1("Client::addNode()");
1372 std::map<v3s16, MapBlock*> modified_blocks;
1375 //TimeTaker timer3("Client::addNode(): addNodeAndUpdate");
1376 m_env.getMap().addNodeAndUpdate(p, n, modified_blocks, remove_metadata);
1378 catch(InvalidPositionException &e) {
1381 for (const auto &modified_block : modified_blocks) {
1382 addUpdateMeshTaskWithEdge(modified_block.first, false, true);
1386 void Client::setPlayerControl(PlayerControl &control)
1388 LocalPlayer *player = m_env.getLocalPlayer();
1390 player->control = control;
1393 void Client::selectPlayerItem(u16 item)
1395 m_playeritem = item;
1396 m_inventory_updated = true;
1397 sendPlayerItem(item);
1400 // Returns true if the inventory of the local player has been
1401 // updated from the server. If it is true, it is set to false.
1402 bool Client::getLocalInventoryUpdated()
1404 bool updated = m_inventory_updated;
1405 m_inventory_updated = false;
1409 // Copies the inventory of the local player to parameter
1410 void Client::getLocalInventory(Inventory &dst)
1412 LocalPlayer *player = m_env.getLocalPlayer();
1414 dst = player->inventory;
1417 Inventory* Client::getInventory(const InventoryLocation &loc)
1420 case InventoryLocation::UNDEFINED:
1423 case InventoryLocation::CURRENT_PLAYER:
1425 LocalPlayer *player = m_env.getLocalPlayer();
1427 return &player->inventory;
1430 case InventoryLocation::PLAYER:
1432 // Check if we are working with local player inventory
1433 LocalPlayer *player = m_env.getLocalPlayer();
1434 if (!player || strcmp(player->getName(), loc.name.c_str()) != 0)
1436 return &player->inventory;
1439 case InventoryLocation::NODEMETA:
1441 NodeMetadata *meta = m_env.getMap().getNodeMetadata(loc.p);
1444 return meta->getInventory();
1447 case InventoryLocation::DETACHED:
1449 if (m_detached_inventories.count(loc.name) == 0)
1451 return m_detached_inventories[loc.name];
1455 FATAL_ERROR("Invalid inventory location type.");
1461 void Client::inventoryAction(InventoryAction *a)
1464 Send it to the server
1466 sendInventoryAction(a);
1469 Predict some local inventory changes
1471 a->clientApply(this, this);
1477 float Client::getAnimationTime()
1479 return m_animation_time;
1482 int Client::getCrackLevel()
1484 return m_crack_level;
1487 v3s16 Client::getCrackPos()
1492 void Client::setCrack(int level, v3s16 pos)
1494 int old_crack_level = m_crack_level;
1495 v3s16 old_crack_pos = m_crack_pos;
1497 m_crack_level = level;
1500 if(old_crack_level >= 0 && (level < 0 || pos != old_crack_pos))
1503 addUpdateMeshTaskForNode(old_crack_pos, false, true);
1505 if(level >= 0 && (old_crack_level < 0 || pos != old_crack_pos))
1508 addUpdateMeshTaskForNode(pos, false, true);
1514 LocalPlayer *player = m_env.getLocalPlayer();
1519 bool Client::getChatMessage(std::wstring &res)
1521 if (m_chat_queue.empty())
1524 ChatMessage *chatMessage = m_chat_queue.front();
1529 switch (chatMessage->type) {
1530 case CHATMESSAGE_TYPE_RAW:
1531 case CHATMESSAGE_TYPE_ANNOUNCE:
1532 case CHATMESSAGE_TYPE_SYSTEM:
1533 res = chatMessage->message;
1535 case CHATMESSAGE_TYPE_NORMAL: {
1536 if (!chatMessage->sender.empty())
1537 res = L"<" + chatMessage->sender + L"> " + chatMessage->message;
1539 res = chatMessage->message;
1550 void Client::typeChatMessage(const std::wstring &message)
1552 // Discard empty line
1553 if (message.empty())
1556 // If message was ate by script API, don't send it to server
1557 if (m_script->on_sending_message(wide_to_utf8(message))) {
1562 sendChatMessage(message);
1565 if (message[0] != L'/') {
1566 // compatibility code
1567 if (m_proto_ver < 29) {
1568 LocalPlayer *player = m_env.getLocalPlayer();
1570 std::wstring name = narrow_to_wide(player->getName());
1571 pushToChatQueue(new ChatMessage(CHATMESSAGE_TYPE_NORMAL, message, name));
1576 void Client::addUpdateMeshTask(v3s16 p, bool ack_to_server, bool urgent)
1578 // Check if the block exists to begin with. In the case when a non-existing
1579 // neighbor is automatically added, it may not. In that case we don't want
1580 // to tell the mesh update thread about it.
1581 MapBlock *b = m_env.getMap().getBlockNoCreateNoEx(p);
1585 m_mesh_update_thread.updateBlock(&m_env.getMap(), p, ack_to_server, urgent);
1588 void Client::addUpdateMeshTaskWithEdge(v3s16 blockpos, bool ack_to_server, bool urgent)
1591 addUpdateMeshTask(blockpos, ack_to_server, urgent);
1593 catch(InvalidPositionException &e){}
1596 for (int i=0;i<6;i++)
1599 v3s16 p = blockpos + g_6dirs[i];
1600 addUpdateMeshTask(p, false, urgent);
1602 catch(InvalidPositionException &e){}
1606 void Client::addUpdateMeshTaskForNode(v3s16 nodepos, bool ack_to_server, bool urgent)
1610 infostream<<"Client::addUpdateMeshTaskForNode(): "
1611 <<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"
1615 v3s16 blockpos = getNodeBlockPos(nodepos);
1616 v3s16 blockpos_relative = blockpos * MAP_BLOCKSIZE;
1619 addUpdateMeshTask(blockpos, ack_to_server, urgent);
1621 catch(InvalidPositionException &e) {}
1624 if(nodepos.X == blockpos_relative.X){
1626 v3s16 p = blockpos + v3s16(-1,0,0);
1627 addUpdateMeshTask(p, false, urgent);
1629 catch(InvalidPositionException &e){}
1632 if(nodepos.Y == blockpos_relative.Y){
1634 v3s16 p = blockpos + v3s16(0,-1,0);
1635 addUpdateMeshTask(p, false, urgent);
1637 catch(InvalidPositionException &e){}
1640 if(nodepos.Z == blockpos_relative.Z){
1642 v3s16 p = blockpos + v3s16(0,0,-1);
1643 addUpdateMeshTask(p, false, urgent);
1645 catch(InvalidPositionException &e){}
1649 ClientEvent Client::getClientEvent()
1651 FATAL_ERROR_IF(m_client_event_queue.empty(),
1652 "Cannot getClientEvent, queue is empty.");
1654 ClientEvent event = m_client_event_queue.front();
1655 m_client_event_queue.pop();
1659 float Client::mediaReceiveProgress()
1661 if (m_media_downloader)
1662 return m_media_downloader->getProgress();
1664 return 1.0; // downloader only exists when not yet done
1667 typedef struct TextureUpdateArgs {
1668 gui::IGUIEnvironment *guienv;
1671 const wchar_t* text_base;
1672 ITextureSource *tsrc;
1673 } TextureUpdateArgs;
1675 void texture_update_progress(void *args, u32 progress, u32 max_progress)
1677 TextureUpdateArgs* targs = (TextureUpdateArgs*) args;
1678 u16 cur_percent = ceil(progress / (double) max_progress * 100.);
1680 // update the loading menu -- if neccessary
1681 bool do_draw = false;
1682 u64 time_ms = targs->last_time_ms;
1683 if (cur_percent != targs->last_percent) {
1684 targs->last_percent = cur_percent;
1685 time_ms = porting::getTimeMs();
1686 // only draw when the user will notice something:
1687 do_draw = (time_ms - targs->last_time_ms > 100);
1691 targs->last_time_ms = time_ms;
1692 std::basic_stringstream<wchar_t> strm;
1693 strm << targs->text_base << " " << targs->last_percent << "%...";
1694 RenderingEngine::draw_load_screen(strm.str(), targs->guienv, targs->tsrc, 0,
1695 72 + (u16) ((18. / 100.) * (double) targs->last_percent), true);
1699 void Client::afterContentReceived()
1701 infostream<<"Client::afterContentReceived() started"<<std::endl;
1702 assert(m_itemdef_received); // pre-condition
1703 assert(m_nodedef_received); // pre-condition
1704 assert(mediaReceived()); // pre-condition
1706 const wchar_t* text = wgettext("Loading textures...");
1708 // Clear cached pre-scaled 2D GUI images, as this cache
1709 // might have images with the same name but different
1710 // content from previous sessions.
1711 guiScalingCacheClear();
1713 // Rebuild inherited images and recreate textures
1714 infostream<<"- Rebuilding images and textures"<<std::endl;
1715 RenderingEngine::draw_load_screen(text, guienv, m_tsrc, 0, 70);
1716 m_tsrc->rebuildImagesAndTextures();
1720 infostream<<"- Rebuilding shaders"<<std::endl;
1721 text = wgettext("Rebuilding shaders...");
1722 RenderingEngine::draw_load_screen(text, guienv, m_tsrc, 0, 71);
1723 m_shsrc->rebuildShaders();
1726 // Update node aliases
1727 infostream<<"- Updating node aliases"<<std::endl;
1728 text = wgettext("Initializing nodes...");
1729 RenderingEngine::draw_load_screen(text, guienv, m_tsrc, 0, 72);
1730 m_nodedef->updateAliases(m_itemdef);
1731 std::string texture_path = g_settings->get("texture_path");
1732 if (!texture_path.empty() && fs::IsDir(texture_path))
1733 m_nodedef->applyTextureOverrides(texture_path + DIR_DELIM + "override.txt");
1734 m_nodedef->setNodeRegistrationStatus(true);
1735 m_nodedef->runNodeResolveCallbacks();
1738 // Update node textures and assign shaders to each tile
1739 infostream<<"- Updating node textures"<<std::endl;
1740 TextureUpdateArgs tu_args;
1741 tu_args.guienv = guienv;
1742 tu_args.last_time_ms = porting::getTimeMs();
1743 tu_args.last_percent = 0;
1744 tu_args.text_base = wgettext("Initializing nodes");
1745 tu_args.tsrc = m_tsrc;
1746 m_nodedef->updateTextures(this, texture_update_progress, &tu_args);
1747 delete[] tu_args.text_base;
1749 // Start mesh update thread after setting up content definitions
1750 infostream<<"- Starting mesh update thread"<<std::endl;
1751 m_mesh_update_thread.start();
1756 if (g_settings->getBool("enable_client_modding")) {
1757 m_script->on_client_ready(m_env.getLocalPlayer());
1758 m_script->on_connect();
1761 text = wgettext("Done!");
1762 RenderingEngine::draw_load_screen(text, guienv, m_tsrc, 0, 100);
1763 infostream<<"Client::afterContentReceived() done"<<std::endl;
1767 float Client::getRTT()
1769 return m_con.getPeerStat(PEER_ID_SERVER,con::AVG_RTT);
1772 float Client::getCurRate()
1774 return (m_con.getLocalStat(con::CUR_INC_RATE) +
1775 m_con.getLocalStat(con::CUR_DL_RATE));
1778 void Client::makeScreenshot()
1780 irr::video::IVideoDriver *driver = RenderingEngine::get_video_driver();
1781 irr::video::IImage* const raw_image = driver->createScreenShot();
1786 time_t t = time(NULL);
1787 struct tm *tm = localtime(&t);
1789 char timetstamp_c[64];
1790 strftime(timetstamp_c, sizeof(timetstamp_c), "%Y%m%d_%H%M%S", tm);
1792 std::string filename_base = g_settings->get("screenshot_path")
1794 + std::string("screenshot_")
1795 + std::string(timetstamp_c);
1796 std::string filename_ext = "." + g_settings->get("screenshot_format");
1797 std::string filename;
1799 u32 quality = (u32)g_settings->getS32("screenshot_quality");
1800 quality = MYMIN(MYMAX(quality, 0), 100) / 100.0 * 255;
1802 // Try to find a unique filename
1803 unsigned serial = 0;
1805 while (serial < SCREENSHOT_MAX_SERIAL_TRIES) {
1806 filename = filename_base + (serial > 0 ? ("_" + itos(serial)) : "") + filename_ext;
1807 std::ifstream tmp(filename.c_str());
1809 break; // File did not apparently exist, we'll go with it
1813 if (serial == SCREENSHOT_MAX_SERIAL_TRIES) {
1814 infostream << "Could not find suitable filename for screenshot" << std::endl;
1816 irr::video::IImage* const image =
1817 driver->createImage(video::ECF_R8G8B8, raw_image->getDimension());
1820 raw_image->copyTo(image);
1822 std::ostringstream sstr;
1823 if (driver->writeImageToFile(image, filename.c_str(), quality)) {
1824 sstr << "Saved screenshot to '" << filename << "'";
1826 sstr << "Failed to save screenshot '" << filename << "'";
1828 pushToChatQueue(new ChatMessage(CHATMESSAGE_TYPE_SYSTEM,
1829 narrow_to_wide(sstr.str())));
1830 infostream << sstr.str() << std::endl;
1838 bool Client::shouldShowMinimap() const
1840 return !m_minimap_disabled_by_server;
1843 void Client::showGameChat(const bool show)
1845 m_game_ui_flags->show_chat = show;
1848 void Client::showGameHud(const bool show)
1850 m_game_ui_flags->show_hud = show;
1853 void Client::showMinimap(const bool show)
1855 m_game_ui_flags->show_minimap = show;
1858 void Client::showProfiler(const bool show)
1860 m_game_ui_flags->show_profiler_graph = show;
1863 void Client::showGameFog(const bool show)
1865 m_game_ui_flags->force_fog_off = !show;
1868 void Client::showGameDebug(const bool show)
1870 m_game_ui_flags->show_debug = show;
1873 // IGameDef interface
1875 IItemDefManager* Client::getItemDefManager()
1879 INodeDefManager* Client::getNodeDefManager()
1883 ICraftDefManager* Client::getCraftDefManager()
1886 //return m_craftdef;
1888 ITextureSource* Client::getTextureSource()
1892 IShaderSource* Client::getShaderSource()
1897 u16 Client::allocateUnknownNodeId(const std::string &name)
1899 errorstream << "Client::allocateUnknownNodeId(): "
1900 << "Client cannot allocate node IDs" << std::endl;
1901 FATAL_ERROR("Client allocated unknown node");
1903 return CONTENT_IGNORE;
1905 ISoundManager* Client::getSoundManager()
1909 MtEventManager* Client::getEventManager()
1914 ParticleManager* Client::getParticleManager()
1916 return &m_particle_manager;
1919 scene::IAnimatedMesh* Client::getMesh(const std::string &filename)
1921 StringMap::const_iterator it = m_mesh_data.find(filename);
1922 if (it == m_mesh_data.end()) {
1923 errorstream << "Client::getMesh(): Mesh not found: \"" << filename
1924 << "\"" << std::endl;
1927 const std::string &data = it->second;
1929 // Create the mesh, remove it from cache and return it
1930 // This allows unique vertex colors and other properties for each instance
1931 Buffer<char> data_rw(data.c_str(), data.size()); // Const-incorrect Irrlicht
1932 io::IReadFile *rfile = RenderingEngine::get_filesystem()->createMemoryReadFile(
1933 *data_rw, data_rw.getSize(), filename.c_str());
1934 FATAL_ERROR_IF(!rfile, "Could not create/open RAM file");
1936 scene::IAnimatedMesh *mesh = RenderingEngine::get_scene_manager()->getMesh(rfile);
1938 // NOTE: By playing with Irrlicht refcounts, maybe we could cache a bunch
1939 // of uniquely named instances and re-use them
1941 RenderingEngine::get_mesh_cache()->removeMesh(mesh);
1945 const std::string* Client::getModFile(const std::string &filename)
1947 StringMap::const_iterator it = m_mod_files.find(filename);
1948 if (it == m_mod_files.end()) {
1949 errorstream << "Client::getModFile(): File not found: \"" << filename
1950 << "\"" << std::endl;
1956 bool Client::registerModStorage(ModMetadata *storage)
1958 if (m_mod_storages.find(storage->getModName()) != m_mod_storages.end()) {
1959 errorstream << "Unable to register same mod storage twice. Storage name: "
1960 << storage->getModName() << std::endl;
1964 m_mod_storages[storage->getModName()] = storage;
1968 void Client::unregisterModStorage(const std::string &name)
1970 std::unordered_map<std::string, ModMetadata *>::const_iterator it =
1971 m_mod_storages.find(name);
1972 if (it != m_mod_storages.end()) {
1973 // Save unconditionaly on unregistration
1974 it->second->save(getModStoragePath());
1975 m_mod_storages.erase(name);
1979 std::string Client::getModStoragePath() const
1981 return porting::path_user + DIR_DELIM + "client" + DIR_DELIM + "mod_storage";