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.
23 #include <IFileSystem.h>
24 #include "threading/mutex_auto_lock.h"
25 #include "util/auth.h"
26 #include "util/directiontables.h"
27 #include "util/pointedthing.h"
28 #include "util/serialize.h"
29 #include "util/string.h"
32 #include "network/clientopcodes.h"
35 #include "mapblock_mesh.h"
42 #include "nodemetadata.h"
45 #include "clientmap.h"
46 #include "clientmedia.h"
48 #include "IMeshCache.h"
51 #include "drawscene.h"
52 #include "database-sqlite3.h"
53 #include "serialization.h"
54 #include "guiscalingfilter.h"
56 extern gui::IGUIEnvironment* guienv;
62 QueuedMeshUpdate::QueuedMeshUpdate():
65 ack_block_to_server(false)
69 QueuedMeshUpdate::~QueuedMeshUpdate()
79 MeshUpdateQueue::MeshUpdateQueue()
83 MeshUpdateQueue::~MeshUpdateQueue()
85 MutexAutoLock lock(m_mutex);
87 for(std::vector<QueuedMeshUpdate*>::iterator
89 i != m_queue.end(); ++i)
91 QueuedMeshUpdate *q = *i;
97 peer_id=0 adds with nobody to send to
99 void MeshUpdateQueue::addBlock(v3s16 p, MeshMakeData *data, bool ack_block_to_server, bool urgent)
101 DSTACK(FUNCTION_NAME);
103 assert(data); // pre-condition
105 MutexAutoLock lock(m_mutex);
111 Find if block is already in queue.
112 If it is, update the data and quit.
114 for(std::vector<QueuedMeshUpdate*>::iterator
116 i != m_queue.end(); ++i)
118 QueuedMeshUpdate *q = *i;
124 if(ack_block_to_server)
125 q->ack_block_to_server = true;
133 QueuedMeshUpdate *q = new QueuedMeshUpdate;
136 q->ack_block_to_server = ack_block_to_server;
137 m_queue.push_back(q);
140 // Returned pointer must be deleted
141 // Returns NULL if queue is empty
142 QueuedMeshUpdate *MeshUpdateQueue::pop()
144 MutexAutoLock lock(m_mutex);
146 bool must_be_urgent = !m_urgents.empty();
147 for(std::vector<QueuedMeshUpdate*>::iterator
149 i != m_queue.end(); ++i)
151 QueuedMeshUpdate *q = *i;
152 if(must_be_urgent && m_urgents.count(q->p) == 0)
155 m_urgents.erase(q->p);
165 void MeshUpdateThread::enqueueUpdate(v3s16 p, MeshMakeData *data,
166 bool ack_block_to_server, bool urgent)
168 m_queue_in.addBlock(p, data, ack_block_to_server, urgent);
172 void MeshUpdateThread::doUpdate()
175 while ((q = m_queue_in.pop())) {
177 ScopeProfiler sp(g_profiler, "Client: Mesh making");
179 MapBlockMesh *mesh_new = new MapBlockMesh(q->data, m_camera_offset);
184 r.ack_block_to_server = q->ack_block_to_server;
186 m_queue_out.push_back(r);
197 IrrlichtDevice *device,
198 const char *playername,
199 std::string password,
200 MapDrawControl &control,
201 IWritableTextureSource *tsrc,
202 IWritableShaderSource *shsrc,
203 IWritableItemDefManager *itemdef,
204 IWritableNodeDefManager *nodedef,
205 ISoundManager *sound,
206 MtEventManager *event,
209 m_packetcounter_timer(0.0),
210 m_connection_reinit_timer(0.1),
211 m_avg_rtt_timer(0.0),
212 m_playerpos_send_timer(0.0),
213 m_ignore_damage_timer(0.0),
220 m_mesh_update_thread(),
222 new ClientMap(this, this, control,
223 device->getSceneManager()->getRootSceneNode(),
224 device->getSceneManager(), 666),
225 device->getSceneManager(),
228 m_particle_manager(&m_env),
229 m_con(PROTOCOL_ID, 512, CONNECTION_TIMEOUT, ipv6, this),
231 m_minimap_disabled_by_server(false),
232 m_server_ser_ver(SER_FMT_VER_INVALID),
235 m_inventory_updated(false),
236 m_inventory_from_server(NULL),
237 m_inventory_from_server_age(0.0),
238 m_show_highlighted(false),
242 m_highlighted_pos(0,0,0),
244 m_password(password),
245 m_chosen_auth_mech(AUTH_MECHANISM_NONE),
247 m_access_denied(false),
248 m_access_denied_reconnect(false),
249 m_itemdef_received(false),
250 m_nodedef_received(false),
251 m_media_downloader(new ClientMediaDownloader()),
252 m_time_of_day_set(false),
253 m_last_time_of_day_f(-1),
254 m_time_of_day_update_timer(0),
255 m_recommended_send_interval(0.1),
256 m_removed_sounds_check_timer(0),
261 m_env.addPlayer(new LocalPlayer(this, playername));
263 m_mapper = new Mapper(device, this);
264 m_cache_save_interval = g_settings->getU16("server_map_save_interval");
266 m_cache_smooth_lighting = g_settings->getBool("smooth_lighting");
267 m_cache_enable_shaders = g_settings->getBool("enable_shaders");
272 //request all client managed threads to stop
273 m_mesh_update_thread.stop();
274 // Save local server map
276 infostream << "Local map saving ended." << std::endl;
277 m_localdb->endSave();
281 bool Client::isShutdown()
284 if (!m_mesh_update_thread.isRunning()) return true;
293 m_mesh_update_thread.stop();
294 m_mesh_update_thread.wait();
295 while (!m_mesh_update_thread.m_queue_out.empty()) {
296 MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_frontNoEx();
301 delete m_inventory_from_server;
303 // Delete detached inventories
304 for (std::map<std::string, Inventory*>::iterator
305 i = m_detached_inventories.begin();
306 i != m_detached_inventories.end(); ++i) {
310 // cleanup 3d model meshes on client shutdown
311 while (m_device->getSceneManager()->getMeshCache()->getMeshCount() != 0) {
312 scene::IAnimatedMesh *mesh =
313 m_device->getSceneManager()->getMeshCache()->getMeshByIndex(0);
316 m_device->getSceneManager()->getMeshCache()->removeMesh(mesh);
322 void Client::connect(Address address,
323 const std::string &address_name,
324 bool is_local_server)
326 DSTACK(FUNCTION_NAME);
328 initLocalMapSaving(address, address_name, is_local_server);
330 m_con.SetTimeoutMs(0);
331 m_con.Connect(address);
334 void Client::step(float dtime)
336 DSTACK(FUNCTION_NAME);
342 if(m_ignore_damage_timer > dtime)
343 m_ignore_damage_timer -= dtime;
345 m_ignore_damage_timer = 0.0;
347 m_animation_time += dtime;
348 if(m_animation_time > 60.0)
349 m_animation_time -= 60.0;
351 m_time_of_day_update_timer += dtime;
359 float &counter = m_packetcounter_timer;
365 infostream << "Client packetcounter (" << m_packetcounter_timer
367 m_packetcounter.print(infostream);
368 m_packetcounter.clear();
372 // UGLY hack to fix 2 second startup delay caused by non existent
373 // server client startup synchronization in local server or singleplayer mode
374 static bool initial_step = true;
376 initial_step = false;
378 else if(m_state == LC_Created) {
379 float &counter = m_connection_reinit_timer;
384 Player *myplayer = m_env.getLocalPlayer();
385 FATAL_ERROR_IF(myplayer == NULL, "Local player not found in environment.");
387 // Send TOSERVER_INIT_LEGACY
388 // [0] u16 TOSERVER_INIT_LEGACY
389 // [2] u8 SER_FMT_VER_HIGHEST_READ
390 // [3] u8[20] player_name
391 // [23] u8[28] password (new in some version)
392 // [51] u16 minimum supported network protocol version (added sometime)
393 // [53] u16 maximum supported network protocol version (added later than the previous one)
395 char pName[PLAYERNAME_SIZE];
396 char pPassword[PASSWORD_SIZE];
397 memset(pName, 0, PLAYERNAME_SIZE * sizeof(char));
398 memset(pPassword, 0, PASSWORD_SIZE * sizeof(char));
400 std::string hashed_password = translatePassword(myplayer->getName(), m_password);
401 snprintf(pName, PLAYERNAME_SIZE, "%s", myplayer->getName());
402 snprintf(pPassword, PASSWORD_SIZE, "%s", hashed_password.c_str());
404 sendLegacyInit(pName, pPassword);
405 if (LATEST_PROTOCOL_VERSION >= 25)
406 sendInit(myplayer->getName());
409 // Not connected, return
414 Do stuff if connected
418 Run Map's timers and unload unused data
420 const float map_timer_and_unload_dtime = 5.25;
421 if(m_map_timer_and_unload_interval.step(dtime, map_timer_and_unload_dtime)) {
422 ScopeProfiler sp(g_profiler, "Client: map timer and unload");
423 std::vector<v3s16> deleted_blocks;
424 m_env.getMap().timerUpdate(map_timer_and_unload_dtime,
425 g_settings->getFloat("client_unload_unused_data_timeout"),
426 g_settings->getS32("client_mapblock_limit"),
431 NOTE: This loop is intentionally iterated the way it is.
434 std::vector<v3s16>::iterator i = deleted_blocks.begin();
435 std::vector<v3s16> sendlist;
437 if(sendlist.size() == 255 || i == deleted_blocks.end()) {
448 sendDeletedBlocks(sendlist);
450 if(i == deleted_blocks.end())
456 sendlist.push_back(*i);
464 // Control local player (0ms)
465 LocalPlayer *player = m_env.getLocalPlayer();
466 assert(player != NULL);
467 player->applyControl(dtime);
476 ClientEnvEvent event = m_env.getClientEvent();
477 if(event.type == CEE_NONE) {
480 else if(event.type == CEE_PLAYER_DAMAGE) {
481 if(m_ignore_damage_timer <= 0) {
482 u8 damage = event.player_damage.amount;
484 if(event.player_damage.send_to_server)
487 // Add to ClientEvent queue
489 event.type = CE_PLAYER_DAMAGE;
490 event.player_damage.amount = damage;
491 m_client_event_queue.push(event);
494 else if(event.type == CEE_PLAYER_BREATH) {
495 u16 breath = event.player_breath.amount;
503 float &counter = m_avg_rtt_timer;
507 // connectedAndInitialized() is true, peer exists.
508 float avg_rtt = getRTT();
509 infostream << "Client: avg_rtt=" << avg_rtt << std::endl;
513 Send player position to server
516 float &counter = m_playerpos_send_timer;
518 if((m_state == LC_Ready) && (counter >= m_recommended_send_interval))
526 Replace updated meshes
529 int num_processed_meshes = 0;
530 while (!m_mesh_update_thread.m_queue_out.empty())
532 num_processed_meshes++;
534 MinimapMapblock *minimap_mapblock = NULL;
535 bool do_mapper_update = true;
537 MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_frontNoEx();
538 MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(r.p);
540 // Delete the old mesh
541 if (block->mesh != NULL) {
547 minimap_mapblock = r.mesh->moveMinimapMapblock();
548 if (minimap_mapblock == NULL)
549 do_mapper_update = false;
552 if (r.mesh && r.mesh->getMesh()->getMeshBufferCount() == 0) {
555 // Replace with the new mesh
556 block->mesh = r.mesh;
562 if (do_mapper_update)
563 m_mapper->addBlock(r.p, minimap_mapblock);
565 if (r.ack_block_to_server) {
575 if (num_processed_meshes > 0)
576 g_profiler->graphAdd("num_processed_meshes", num_processed_meshes);
582 if (m_media_downloader && m_media_downloader->isStarted()) {
583 m_media_downloader->step(this);
584 if (m_media_downloader->isDone()) {
586 delete m_media_downloader;
587 m_media_downloader = NULL;
592 If the server didn't update the inventory in a while, revert
593 the local inventory (so the player notices the lag problem
594 and knows something is wrong).
596 if(m_inventory_from_server)
598 float interval = 10.0;
599 float count_before = floor(m_inventory_from_server_age / interval);
601 m_inventory_from_server_age += dtime;
603 float count_after = floor(m_inventory_from_server_age / interval);
605 if(count_after != count_before)
607 // Do this every <interval> seconds after TOCLIENT_INVENTORY
608 // Reset the locally changed inventory to the authoritative inventory
609 Player *player = m_env.getLocalPlayer();
610 player->inventory = *m_inventory_from_server;
611 m_inventory_updated = true;
616 Update positions of sounds attached to objects
619 for(std::map<int, u16>::iterator
620 i = m_sounds_to_objects.begin();
621 i != m_sounds_to_objects.end(); ++i)
623 int client_id = i->first;
624 u16 object_id = i->second;
625 ClientActiveObject *cao = m_env.getActiveObject(object_id);
628 v3f pos = cao->getPosition();
629 m_sound->updateSoundPosition(client_id, pos);
634 Handle removed remotely initiated sounds
636 m_removed_sounds_check_timer += dtime;
637 if(m_removed_sounds_check_timer >= 2.32) {
638 m_removed_sounds_check_timer = 0;
639 // Find removed sounds and clear references to them
640 std::vector<s32> removed_server_ids;
641 for(std::map<s32, int>::iterator
642 i = m_sounds_server_to_client.begin();
643 i != m_sounds_server_to_client.end();) {
644 s32 server_id = i->first;
645 int client_id = i->second;
647 if(!m_sound->soundExists(client_id)) {
648 m_sounds_server_to_client.erase(server_id);
649 m_sounds_client_to_server.erase(client_id);
650 m_sounds_to_objects.erase(client_id);
651 removed_server_ids.push_back(server_id);
656 if(!removed_server_ids.empty()) {
657 sendRemovedSounds(removed_server_ids);
662 if (m_localdb && m_localdb_save_interval.step(dtime,
663 m_cache_save_interval)) {
664 m_localdb->endSave();
665 m_localdb->beginSave();
669 bool Client::loadMedia(const std::string &data, const std::string &filename)
671 // Silly irrlicht's const-incorrectness
672 Buffer<char> data_rw(data.c_str(), data.size());
676 const char *image_ext[] = {
677 ".png", ".jpg", ".bmp", ".tga",
678 ".pcx", ".ppm", ".psd", ".wal", ".rgb",
681 name = removeStringEnd(filename, image_ext);
684 verbosestream<<"Client: Attempting to load image "
685 <<"file \""<<filename<<"\""<<std::endl;
687 io::IFileSystem *irrfs = m_device->getFileSystem();
688 video::IVideoDriver *vdrv = m_device->getVideoDriver();
690 // Create an irrlicht memory file
691 io::IReadFile *rfile = irrfs->createMemoryReadFile(
692 *data_rw, data_rw.getSize(), "_tempreadfile");
694 FATAL_ERROR_IF(!rfile, "Could not create irrlicht memory file.");
697 video::IImage *img = vdrv->createImageFromFile(rfile);
699 errorstream<<"Client: Cannot create image from data of "
700 <<"file \""<<filename<<"\""<<std::endl;
705 m_tsrc->insertSourceImage(filename, img);
712 const char *sound_ext[] = {
713 ".0.ogg", ".1.ogg", ".2.ogg", ".3.ogg", ".4.ogg",
714 ".5.ogg", ".6.ogg", ".7.ogg", ".8.ogg", ".9.ogg",
717 name = removeStringEnd(filename, sound_ext);
720 verbosestream<<"Client: Attempting to load sound "
721 <<"file \""<<filename<<"\""<<std::endl;
722 m_sound->loadSoundData(name, data);
726 const char *model_ext[] = {
727 ".x", ".b3d", ".md2", ".obj",
730 name = removeStringEnd(filename, model_ext);
733 verbosestream<<"Client: Storing model into memory: "
734 <<"\""<<filename<<"\""<<std::endl;
735 if(m_mesh_data.count(filename))
736 errorstream<<"Multiple models with name \""<<filename.c_str()
737 <<"\" found; replacing previous model"<<std::endl;
738 m_mesh_data[filename] = data;
742 errorstream<<"Client: Don't know how to load file \""
743 <<filename<<"\""<<std::endl;
747 // Virtual methods from con::PeerHandler
748 void Client::peerAdded(con::Peer *peer)
750 infostream << "Client::peerAdded(): peer->id="
751 << peer->id << std::endl;
753 void Client::deletingPeer(con::Peer *peer, bool timeout)
755 infostream << "Client::deletingPeer(): "
756 "Server Peer is getting deleted "
757 << "(timeout=" << timeout << ")" << std::endl;
760 m_access_denied = true;
761 m_access_denied_reason = gettext("Connection timed out.");
767 u16 number of files requested
773 void Client::request_media(const std::vector<std::string> &file_requests)
775 std::ostringstream os(std::ios_base::binary);
776 writeU16(os, TOSERVER_REQUEST_MEDIA);
777 size_t file_requests_size = file_requests.size();
779 FATAL_ERROR_IF(file_requests_size > 0xFFFF, "Unsupported number of file requests");
781 // Packet dynamicly resized
782 NetworkPacket pkt(TOSERVER_REQUEST_MEDIA, 2 + 0);
784 pkt << (u16) (file_requests_size & 0xFFFF);
786 for(std::vector<std::string>::const_iterator i = file_requests.begin();
787 i != file_requests.end(); ++i) {
793 infostream << "Client: Sending media request list to server ("
794 << file_requests.size() << " files. packet size)" << std::endl;
797 void Client::received_media()
799 NetworkPacket pkt(TOSERVER_RECEIVED_MEDIA, 0);
801 infostream << "Client: Notifying server that we received all media"
805 void Client::initLocalMapSaving(const Address &address,
806 const std::string &hostname,
807 bool is_local_server)
809 if (!g_settings->getBool("enable_local_map_saving") || is_local_server) {
813 const std::string world_path = porting::path_user
814 + DIR_DELIM + "worlds"
815 + DIR_DELIM + "server_"
816 + hostname + "_" + to_string(address.getPort());
818 fs::CreateAllDirs(world_path);
820 m_localdb = new Database_SQLite3(world_path);
821 m_localdb->beginSave();
822 actionstream << "Local map saving started, map will be saved at '" << world_path << "'" << std::endl;
825 void Client::ReceiveAll()
827 DSTACK(FUNCTION_NAME);
828 u32 start_ms = porting::getTimeMs();
831 // Limit time even if there would be huge amounts of data to
833 if(porting::getTimeMs() > start_ms + 100)
838 g_profiler->graphAdd("client_received_packets", 1);
840 catch(con::NoIncomingDataException &e) {
843 catch(con::InvalidIncomingDataException &e) {
844 infostream<<"Client::ReceiveAll(): "
845 "InvalidIncomingDataException: what()="
846 <<e.what()<<std::endl;
851 void Client::Receive()
853 DSTACK(FUNCTION_NAME);
859 inline void Client::handleCommand(NetworkPacket* pkt)
861 const ToClientCommandHandler& opHandle = toClientCommandTable[pkt->getCommand()];
862 (this->*opHandle.handler)(pkt);
866 sender_peer_id given to this shall be quaranteed to be a valid peer
868 void Client::ProcessData(NetworkPacket *pkt)
870 DSTACK(FUNCTION_NAME);
872 ToClientCommand command = (ToClientCommand) pkt->getCommand();
873 u32 sender_peer_id = pkt->getPeerId();
875 //infostream<<"Client: received command="<<command<<std::endl;
876 m_packetcounter.add((u16)command);
879 If this check is removed, be sure to change the queue
880 system to know the ids
882 if(sender_peer_id != PEER_ID_SERVER) {
883 infostream << "Client::ProcessData(): Discarding data not "
884 "coming from server: peer_id=" << sender_peer_id
889 // Command must be handled into ToClientCommandHandler
890 if (command >= TOCLIENT_NUM_MSG_TYPES) {
891 infostream << "Client: Ignoring unknown command "
892 << command << std::endl;
897 * Those packets are handled before m_server_ser_ver is set, it's normal
898 * But we must use the new ToClientConnectionState in the future,
901 if(toClientCommandTable[command].state == TOCLIENT_STATE_NOT_CONNECTED) {
906 if(m_server_ser_ver == SER_FMT_VER_INVALID) {
907 infostream << "Client: Server serialization"
908 " format invalid or not initialized."
909 " Skipping incoming command=" << command << std::endl;
914 Handle runtime commands
920 void Client::Send(NetworkPacket* pkt)
922 m_con.Send(PEER_ID_SERVER,
923 serverCommandFactoryTable[pkt->getCommand()].channel,
925 serverCommandFactoryTable[pkt->getCommand()].reliable);
928 void Client::interact(u8 action, const PointedThing& pointed)
930 if(m_state != LC_Ready) {
931 errorstream << "Client::interact() "
932 "Canceled (not connected)"
941 [5] u32 length of the next item
942 [9] serialized PointedThing
944 0: start digging (from undersurface) or use
945 1: stop digging (all parameters ignored)
947 3: place block or item (to abovesurface)
951 NetworkPacket pkt(TOSERVER_INTERACT, 1 + 2 + 0);
954 pkt << (u16)getPlayerItem();
956 std::ostringstream tmp_os(std::ios::binary);
957 pointed.serialize(tmp_os);
959 pkt.putLongString(tmp_os.str());
964 void Client::deleteAuthData()
969 switch (m_chosen_auth_mech) {
970 case AUTH_MECHANISM_FIRST_SRP:
972 case AUTH_MECHANISM_SRP:
973 case AUTH_MECHANISM_LEGACY_PASSWORD:
974 srp_user_delete((SRPUser *) m_auth_data);
977 case AUTH_MECHANISM_NONE:
980 m_chosen_auth_mech = AUTH_MECHANISM_NONE;
984 AuthMechanism Client::choseAuthMech(const u32 mechs)
986 if (mechs & AUTH_MECHANISM_SRP)
987 return AUTH_MECHANISM_SRP;
989 if (mechs & AUTH_MECHANISM_FIRST_SRP)
990 return AUTH_MECHANISM_FIRST_SRP;
992 if (mechs & AUTH_MECHANISM_LEGACY_PASSWORD)
993 return AUTH_MECHANISM_LEGACY_PASSWORD;
995 return AUTH_MECHANISM_NONE;
998 void Client::sendLegacyInit(const char* playerName, const char* playerPassword)
1000 NetworkPacket pkt(TOSERVER_INIT_LEGACY,
1001 1 + PLAYERNAME_SIZE + PASSWORD_SIZE + 2 + 2);
1003 pkt << (u8) SER_FMT_VER_HIGHEST_READ;
1004 pkt.putRawString(playerName,PLAYERNAME_SIZE);
1005 pkt.putRawString(playerPassword, PASSWORD_SIZE);
1006 pkt << (u16) CLIENT_PROTOCOL_VERSION_MIN << (u16) CLIENT_PROTOCOL_VERSION_MAX;
1011 void Client::sendInit(const std::string &playerName)
1013 NetworkPacket pkt(TOSERVER_INIT, 1 + 2 + 2 + (1 + playerName.size()));
1015 // we don't support network compression yet
1016 u16 supp_comp_modes = NETPROTO_COMPRESSION_NONE;
1017 pkt << (u8) SER_FMT_VER_HIGHEST_READ << (u16) supp_comp_modes;
1018 pkt << (u16) CLIENT_PROTOCOL_VERSION_MIN << (u16) CLIENT_PROTOCOL_VERSION_MAX;
1024 void Client::startAuth(AuthMechanism chosen_auth_mechanism)
1026 m_chosen_auth_mech = chosen_auth_mechanism;
1028 switch (chosen_auth_mechanism) {
1029 case AUTH_MECHANISM_FIRST_SRP: {
1030 // send srp verifier to server
1031 NetworkPacket resp_pkt(TOSERVER_FIRST_SRP, 0);
1032 char *salt, *bytes_v;
1033 std::size_t len_salt, len_v;
1035 getSRPVerifier(getPlayerName(), m_password,
1036 &salt, &len_salt, &bytes_v, &len_v);
1038 << std::string((char*)salt, len_salt)
1039 << std::string((char*)bytes_v, len_v)
1040 << (u8)((m_password == "") ? 1 : 0);
1046 case AUTH_MECHANISM_SRP:
1047 case AUTH_MECHANISM_LEGACY_PASSWORD: {
1050 if (chosen_auth_mechanism == AUTH_MECHANISM_LEGACY_PASSWORD) {
1051 m_password = translatePassword(getPlayerName(), m_password);
1055 std::string playername_u = lowercase(getPlayerName());
1056 m_auth_data = srp_user_new(SRP_SHA256, SRP_NG_2048,
1057 getPlayerName().c_str(), playername_u.c_str(),
1058 (const unsigned char *) m_password.c_str(),
1059 m_password.length(), NULL, NULL);
1062 SRP_Result res = srp_user_start_authentication(
1063 (struct SRPUser *) m_auth_data, NULL, NULL, 0,
1064 (unsigned char **) &bytes_A, &len_A);
1065 FATAL_ERROR_IF(res != SRP_OK, "Creating local SRP user failed.");
1067 NetworkPacket resp_pkt(TOSERVER_SRP_BYTES_A, 0);
1068 resp_pkt << std::string(bytes_A, len_A) << based_on;
1072 case AUTH_MECHANISM_NONE:
1073 break; // not handled in this method
1077 void Client::sendDeletedBlocks(std::vector<v3s16> &blocks)
1079 NetworkPacket pkt(TOSERVER_DELETEDBLOCKS, 1 + sizeof(v3s16) * blocks.size());
1081 pkt << (u8) blocks.size();
1084 for(std::vector<v3s16>::iterator
1086 j != blocks.end(); ++j) {
1094 void Client::sendGotBlocks(v3s16 block)
1096 NetworkPacket pkt(TOSERVER_GOTBLOCKS, 1 + 6);
1097 pkt << (u8) 1 << block;
1101 void Client::sendRemovedSounds(std::vector<s32> &soundList)
1103 size_t server_ids = soundList.size();
1104 assert(server_ids <= 0xFFFF);
1106 NetworkPacket pkt(TOSERVER_REMOVED_SOUNDS, 2 + server_ids * 4);
1108 pkt << (u16) (server_ids & 0xFFFF);
1110 for(std::vector<s32>::iterator i = soundList.begin();
1111 i != soundList.end(); ++i)
1117 void Client::sendNodemetaFields(v3s16 p, const std::string &formname,
1118 const StringMap &fields)
1120 size_t fields_size = fields.size();
1122 FATAL_ERROR_IF(fields_size > 0xFFFF, "Unsupported number of nodemeta fields");
1124 NetworkPacket pkt(TOSERVER_NODEMETA_FIELDS, 0);
1126 pkt << p << formname << (u16) (fields_size & 0xFFFF);
1128 StringMap::const_iterator it;
1129 for (it = fields.begin(); it != fields.end(); ++it) {
1130 const std::string &name = it->first;
1131 const std::string &value = it->second;
1133 pkt.putLongString(value);
1139 void Client::sendInventoryFields(const std::string &formname,
1140 const StringMap &fields)
1142 size_t fields_size = fields.size();
1143 FATAL_ERROR_IF(fields_size > 0xFFFF, "Unsupported number of inventory fields");
1145 NetworkPacket pkt(TOSERVER_INVENTORY_FIELDS, 0);
1146 pkt << formname << (u16) (fields_size & 0xFFFF);
1148 StringMap::const_iterator it;
1149 for (it = fields.begin(); it != fields.end(); ++it) {
1150 const std::string &name = it->first;
1151 const std::string &value = it->second;
1153 pkt.putLongString(value);
1159 void Client::sendInventoryAction(InventoryAction *a)
1161 std::ostringstream os(std::ios_base::binary);
1166 std::string s = os.str();
1168 NetworkPacket pkt(TOSERVER_INVENTORY_ACTION, s.size());
1169 pkt.putRawString(s.c_str(),s.size());
1174 void Client::sendChatMessage(const std::wstring &message)
1176 NetworkPacket pkt(TOSERVER_CHAT_MESSAGE, 2 + message.size() * sizeof(u16));
1183 void Client::sendChangePassword(const std::string &oldpassword,
1184 const std::string &newpassword)
1186 Player *player = m_env.getLocalPlayer();
1190 std::string playername = player->getName();
1191 if (m_proto_ver >= 25) {
1192 // get into sudo mode and then send new password to server
1193 m_password = oldpassword;
1194 m_new_password = newpassword;
1195 startAuth(choseAuthMech(m_sudo_auth_methods));
1197 std::string oldpwd = translatePassword(playername, oldpassword);
1198 std::string newpwd = translatePassword(playername, newpassword);
1200 NetworkPacket pkt(TOSERVER_PASSWORD_LEGACY, 2 * PASSWORD_SIZE);
1202 for (u8 i = 0; i < PASSWORD_SIZE; i++) {
1203 pkt << (u8) (i < oldpwd.length() ? oldpwd[i] : 0);
1206 for (u8 i = 0; i < PASSWORD_SIZE; i++) {
1207 pkt << (u8) (i < newpwd.length() ? newpwd[i] : 0);
1214 void Client::sendDamage(u8 damage)
1216 DSTACK(FUNCTION_NAME);
1218 NetworkPacket pkt(TOSERVER_DAMAGE, sizeof(u8));
1223 void Client::sendBreath(u16 breath)
1225 DSTACK(FUNCTION_NAME);
1227 NetworkPacket pkt(TOSERVER_BREATH, sizeof(u16));
1232 void Client::sendRespawn()
1234 DSTACK(FUNCTION_NAME);
1236 NetworkPacket pkt(TOSERVER_RESPAWN, 0);
1240 void Client::sendReady()
1242 DSTACK(FUNCTION_NAME);
1244 NetworkPacket pkt(TOSERVER_CLIENT_READY,
1245 1 + 1 + 1 + 1 + 2 + sizeof(char) * strlen(g_version_hash));
1247 pkt << (u8) VERSION_MAJOR << (u8) VERSION_MINOR << (u8) VERSION_PATCH
1248 << (u8) 0 << (u16) strlen(g_version_hash);
1250 pkt.putRawString(g_version_hash, (u16) strlen(g_version_hash));
1254 void Client::sendPlayerPos()
1256 LocalPlayer *myplayer = m_env.getLocalPlayer();
1257 if(myplayer == NULL)
1260 // Save bandwidth by only updating position when something changed
1261 if(myplayer->last_position == myplayer->getPosition() &&
1262 myplayer->last_speed == myplayer->getSpeed() &&
1263 myplayer->last_pitch == myplayer->getPitch() &&
1264 myplayer->last_yaw == myplayer->getYaw() &&
1265 myplayer->last_keyPressed == myplayer->keyPressed)
1268 myplayer->last_position = myplayer->getPosition();
1269 myplayer->last_speed = myplayer->getSpeed();
1270 myplayer->last_pitch = myplayer->getPitch();
1271 myplayer->last_yaw = myplayer->getYaw();
1272 myplayer->last_keyPressed = myplayer->keyPressed;
1276 //MutexAutoLock lock(m_con_mutex); //bulk comment-out
1277 our_peer_id = m_con.GetPeerID();
1280 // Set peer id if not set already
1281 if(myplayer->peer_id == PEER_ID_INEXISTENT)
1282 myplayer->peer_id = our_peer_id;
1284 assert(myplayer->peer_id == our_peer_id);
1286 v3f pf = myplayer->getPosition();
1287 v3f sf = myplayer->getSpeed();
1288 s32 pitch = myplayer->getPitch() * 100;
1289 s32 yaw = myplayer->getYaw() * 100;
1290 u32 keyPressed = myplayer->keyPressed;
1292 v3s32 position(pf.X*100, pf.Y*100, pf.Z*100);
1293 v3s32 speed(sf.X*100, sf.Y*100, sf.Z*100);
1296 [0] v3s32 position*100
1297 [12] v3s32 speed*100
1298 [12+12] s32 pitch*100
1299 [12+12+4] s32 yaw*100
1300 [12+12+4+4] u32 keyPressed
1303 NetworkPacket pkt(TOSERVER_PLAYERPOS, 12 + 12 + 4 + 4 + 4);
1305 pkt << position << speed << pitch << yaw << keyPressed;
1310 void Client::sendPlayerItem(u16 item)
1312 Player *myplayer = m_env.getLocalPlayer();
1313 if(myplayer == NULL)
1316 u16 our_peer_id = m_con.GetPeerID();
1318 // Set peer id if not set already
1319 if(myplayer->peer_id == PEER_ID_INEXISTENT)
1320 myplayer->peer_id = our_peer_id;
1321 assert(myplayer->peer_id == our_peer_id);
1323 NetworkPacket pkt(TOSERVER_PLAYERITEM, 2);
1330 void Client::removeNode(v3s16 p)
1332 std::map<v3s16, MapBlock*> modified_blocks;
1335 m_env.getMap().removeNodeAndUpdate(p, modified_blocks);
1337 catch(InvalidPositionException &e) {
1340 for(std::map<v3s16, MapBlock *>::iterator
1341 i = modified_blocks.begin();
1342 i != modified_blocks.end(); ++i) {
1343 addUpdateMeshTaskWithEdge(i->first, false, true);
1347 void Client::addNode(v3s16 p, MapNode n, bool remove_metadata)
1349 //TimeTaker timer1("Client::addNode()");
1351 std::map<v3s16, MapBlock*> modified_blocks;
1354 //TimeTaker timer3("Client::addNode(): addNodeAndUpdate");
1355 m_env.getMap().addNodeAndUpdate(p, n, modified_blocks, remove_metadata);
1357 catch(InvalidPositionException &e) {
1360 for(std::map<v3s16, MapBlock *>::iterator
1361 i = modified_blocks.begin();
1362 i != modified_blocks.end(); ++i) {
1363 addUpdateMeshTaskWithEdge(i->first, false, true);
1367 void Client::setPlayerControl(PlayerControl &control)
1369 LocalPlayer *player = m_env.getLocalPlayer();
1370 assert(player != NULL);
1371 player->control = control;
1374 void Client::selectPlayerItem(u16 item)
1376 m_playeritem = item;
1377 m_inventory_updated = true;
1378 sendPlayerItem(item);
1381 // Returns true if the inventory of the local player has been
1382 // updated from the server. If it is true, it is set to false.
1383 bool Client::getLocalInventoryUpdated()
1385 bool updated = m_inventory_updated;
1386 m_inventory_updated = false;
1390 // Copies the inventory of the local player to parameter
1391 void Client::getLocalInventory(Inventory &dst)
1393 Player *player = m_env.getLocalPlayer();
1394 assert(player != NULL);
1395 dst = player->inventory;
1398 Inventory* Client::getInventory(const InventoryLocation &loc)
1401 case InventoryLocation::UNDEFINED:
1404 case InventoryLocation::CURRENT_PLAYER:
1406 Player *player = m_env.getLocalPlayer();
1407 assert(player != NULL);
1408 return &player->inventory;
1411 case InventoryLocation::PLAYER:
1413 Player *player = m_env.getPlayer(loc.name.c_str());
1416 return &player->inventory;
1419 case InventoryLocation::NODEMETA:
1421 NodeMetadata *meta = m_env.getMap().getNodeMetadata(loc.p);
1424 return meta->getInventory();
1427 case InventoryLocation::DETACHED:
1429 if(m_detached_inventories.count(loc.name) == 0)
1431 return m_detached_inventories[loc.name];
1435 FATAL_ERROR("Invalid inventory location type.");
1441 void Client::inventoryAction(InventoryAction *a)
1444 Send it to the server
1446 sendInventoryAction(a);
1449 Predict some local inventory changes
1451 a->clientApply(this, this);
1457 ClientActiveObject * Client::getSelectedActiveObject(
1459 v3f from_pos_f_on_map,
1460 core::line3d<f32> shootline_on_map
1463 std::vector<DistanceSortedActiveObject> objects;
1465 m_env.getActiveObjects(from_pos_f_on_map, max_d, objects);
1468 // After this, the closest object is the first in the array.
1469 std::sort(objects.begin(), objects.end());
1471 for(unsigned int i=0; i<objects.size(); i++)
1473 ClientActiveObject *obj = objects[i].obj;
1475 core::aabbox3d<f32> *selection_box = obj->getSelectionBox();
1476 if(selection_box == NULL)
1479 v3f pos = obj->getPosition();
1481 core::aabbox3d<f32> offsetted_box(
1482 selection_box->MinEdge + pos,
1483 selection_box->MaxEdge + pos
1486 if(offsetted_box.intersectsWithLine(shootline_on_map))
1495 std::list<std::string> Client::getConnectedPlayerNames()
1497 return m_env.getPlayerNames();
1500 float Client::getAnimationTime()
1502 return m_animation_time;
1505 int Client::getCrackLevel()
1507 return m_crack_level;
1510 void Client::setHighlighted(v3s16 pos, bool show_highlighted)
1512 m_show_highlighted = show_highlighted;
1513 v3s16 old_highlighted_pos = m_highlighted_pos;
1514 m_highlighted_pos = pos;
1515 addUpdateMeshTaskForNode(old_highlighted_pos, false, true);
1516 addUpdateMeshTaskForNode(m_highlighted_pos, false, true);
1519 void Client::setCrack(int level, v3s16 pos)
1521 int old_crack_level = m_crack_level;
1522 v3s16 old_crack_pos = m_crack_pos;
1524 m_crack_level = level;
1527 if(old_crack_level >= 0 && (level < 0 || pos != old_crack_pos))
1530 addUpdateMeshTaskForNode(old_crack_pos, false, true);
1532 if(level >= 0 && (old_crack_level < 0 || pos != old_crack_pos))
1535 addUpdateMeshTaskForNode(pos, false, true);
1541 Player *player = m_env.getLocalPlayer();
1542 assert(player != NULL);
1546 u16 Client::getBreath()
1548 Player *player = m_env.getLocalPlayer();
1549 assert(player != NULL);
1550 return player->getBreath();
1553 bool Client::getChatMessage(std::wstring &message)
1555 if(m_chat_queue.size() == 0)
1557 message = m_chat_queue.front();
1562 void Client::typeChatMessage(const std::wstring &message)
1564 // Discard empty line
1569 sendChatMessage(message);
1572 if (message[0] == L'/')
1574 m_chat_queue.push((std::wstring)L"issued command: " + message);
1578 LocalPlayer *player = m_env.getLocalPlayer();
1579 assert(player != NULL);
1580 std::wstring name = narrow_to_wide(player->getName());
1581 m_chat_queue.push((std::wstring)L"<" + name + L"> " + message);
1585 void Client::addUpdateMeshTask(v3s16 p, bool ack_to_server, bool urgent)
1587 MapBlock *b = m_env.getMap().getBlockNoCreateNoEx(p);
1592 Create a task to update the mesh of the block
1595 MeshMakeData *data = new MeshMakeData(this, m_cache_enable_shaders);
1598 //TimeTaker timer("data fill");
1600 // Debug: 1-6ms, avg=2ms
1602 data->setCrack(m_crack_level, m_crack_pos);
1603 data->setHighlighted(m_highlighted_pos, m_show_highlighted);
1604 data->setSmoothLighting(m_cache_smooth_lighting);
1607 // Add task to queue
1608 m_mesh_update_thread.enqueueUpdate(p, data, ack_to_server, urgent);
1611 void Client::addUpdateMeshTaskWithEdge(v3s16 blockpos, bool ack_to_server, bool urgent)
1614 addUpdateMeshTask(blockpos, ack_to_server, urgent);
1616 catch(InvalidPositionException &e){}
1619 for (int i=0;i<6;i++)
1622 v3s16 p = blockpos + g_6dirs[i];
1623 addUpdateMeshTask(p, false, urgent);
1625 catch(InvalidPositionException &e){}
1629 void Client::addUpdateMeshTaskForNode(v3s16 nodepos, bool ack_to_server, bool urgent)
1633 infostream<<"Client::addUpdateMeshTaskForNode(): "
1634 <<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"
1638 v3s16 blockpos = getNodeBlockPos(nodepos);
1639 v3s16 blockpos_relative = blockpos * MAP_BLOCKSIZE;
1642 addUpdateMeshTask(blockpos, ack_to_server, urgent);
1644 catch(InvalidPositionException &e) {}
1647 if(nodepos.X == blockpos_relative.X){
1649 v3s16 p = blockpos + v3s16(-1,0,0);
1650 addUpdateMeshTask(p, false, urgent);
1652 catch(InvalidPositionException &e){}
1655 if(nodepos.Y == blockpos_relative.Y){
1657 v3s16 p = blockpos + v3s16(0,-1,0);
1658 addUpdateMeshTask(p, false, urgent);
1660 catch(InvalidPositionException &e){}
1663 if(nodepos.Z == blockpos_relative.Z){
1665 v3s16 p = blockpos + v3s16(0,0,-1);
1666 addUpdateMeshTask(p, false, urgent);
1668 catch(InvalidPositionException &e){}
1672 ClientEvent Client::getClientEvent()
1675 if(m_client_event_queue.size() == 0) {
1676 event.type = CE_NONE;
1679 event = m_client_event_queue.front();
1680 m_client_event_queue.pop();
1685 float Client::mediaReceiveProgress()
1687 if (m_media_downloader)
1688 return m_media_downloader->getProgress();
1690 return 1.0; // downloader only exists when not yet done
1693 typedef struct TextureUpdateArgs {
1694 IrrlichtDevice *device;
1695 gui::IGUIEnvironment *guienv;
1698 const wchar_t* text_base;
1699 } TextureUpdateArgs;
1701 void texture_update_progress(void *args, u32 progress, u32 max_progress)
1703 TextureUpdateArgs* targs = (TextureUpdateArgs*) args;
1704 u16 cur_percent = ceil(progress / (double) max_progress * 100.);
1706 // update the loading menu -- if neccessary
1707 bool do_draw = false;
1708 u32 time_ms = targs->last_time_ms;
1709 if (cur_percent != targs->last_percent) {
1710 targs->last_percent = cur_percent;
1711 time_ms = getTimeMs();
1712 // only draw when the user will notice something:
1713 do_draw = (time_ms - targs->last_time_ms > 100);
1717 targs->last_time_ms = time_ms;
1718 std::basic_stringstream<wchar_t> strm;
1719 strm << targs->text_base << " " << targs->last_percent << "%...";
1720 draw_load_screen(strm.str(), targs->device, targs->guienv, 0,
1721 72 + (u16) ((18. / 100.) * (double) targs->last_percent));
1725 void Client::afterContentReceived(IrrlichtDevice *device)
1727 infostream<<"Client::afterContentReceived() started"<<std::endl;
1728 assert(m_itemdef_received); // pre-condition
1729 assert(m_nodedef_received); // pre-condition
1730 assert(mediaReceived()); // pre-condition
1732 const wchar_t* text = wgettext("Loading textures...");
1734 // Clear cached pre-scaled 2D GUI images, as this cache
1735 // might have images with the same name but different
1736 // content from previous sessions.
1737 guiScalingCacheClear(device->getVideoDriver());
1739 // Rebuild inherited images and recreate textures
1740 infostream<<"- Rebuilding images and textures"<<std::endl;
1741 draw_load_screen(text,device, guienv, 0, 70);
1742 m_tsrc->rebuildImagesAndTextures();
1746 infostream<<"- Rebuilding shaders"<<std::endl;
1747 text = wgettext("Rebuilding shaders...");
1748 draw_load_screen(text, device, guienv, 0, 71);
1749 m_shsrc->rebuildShaders();
1752 // Update node aliases
1753 infostream<<"- Updating node aliases"<<std::endl;
1754 text = wgettext("Initializing nodes...");
1755 draw_load_screen(text, device, guienv, 0, 72);
1756 m_nodedef->updateAliases(m_itemdef);
1757 std::string texture_path = g_settings->get("texture_path");
1758 if (texture_path != "" && fs::IsDir(texture_path))
1759 m_nodedef->applyTextureOverrides(texture_path + DIR_DELIM + "override.txt");
1760 m_nodedef->setNodeRegistrationStatus(true);
1761 m_nodedef->runNodeResolveCallbacks();
1764 // Update node textures and assign shaders to each tile
1765 infostream<<"- Updating node textures"<<std::endl;
1766 TextureUpdateArgs tu_args;
1767 tu_args.device = device;
1768 tu_args.guienv = guienv;
1769 tu_args.last_time_ms = getTimeMs();
1770 tu_args.last_percent = 0;
1771 tu_args.text_base = wgettext("Initializing nodes");
1772 m_nodedef->updateTextures(this, texture_update_progress, &tu_args);
1773 delete[] tu_args.text_base;
1775 // Preload item textures and meshes if configured to
1776 if(g_settings->getBool("preload_item_visuals"))
1778 verbosestream<<"Updating item textures and meshes"<<std::endl;
1779 text = wgettext("Item textures...");
1780 draw_load_screen(text, device, guienv, 0, 0);
1781 std::set<std::string> names = m_itemdef->getAll();
1782 size_t size = names.size();
1785 for(std::set<std::string>::const_iterator
1786 i = names.begin(); i != names.end(); ++i)
1788 // Asking for these caches the result
1789 m_itemdef->getInventoryTexture(*i, this);
1790 m_itemdef->getWieldMesh(*i, this);
1792 percent = (count * 100 / size * 0.2) + 80;
1793 draw_load_screen(text, device, guienv, 0, percent);
1798 // Start mesh update thread after setting up content definitions
1799 infostream<<"- Starting mesh update thread"<<std::endl;
1800 m_mesh_update_thread.start();
1804 text = wgettext("Done!");
1805 draw_load_screen(text, device, guienv, 0, 100);
1806 infostream<<"Client::afterContentReceived() done"<<std::endl;
1810 float Client::getRTT(void)
1812 return m_con.getPeerStat(PEER_ID_SERVER,con::AVG_RTT);
1815 float Client::getCurRate(void)
1817 return ( m_con.getLocalStat(con::CUR_INC_RATE) +
1818 m_con.getLocalStat(con::CUR_DL_RATE));
1821 float Client::getAvgRate(void)
1823 return ( m_con.getLocalStat(con::AVG_INC_RATE) +
1824 m_con.getLocalStat(con::AVG_DL_RATE));
1827 void Client::makeScreenshot(IrrlichtDevice *device)
1829 irr::video::IVideoDriver *driver = device->getVideoDriver();
1830 irr::video::IImage* const raw_image = driver->createScreenShot();
1835 time_t t = time(NULL);
1836 struct tm *tm = localtime(&t);
1838 char timetstamp_c[64];
1839 strftime(timetstamp_c, sizeof(timetstamp_c), "%Y%m%d_%H%M%S", tm);
1841 std::string filename_base = g_settings->get("screenshot_path")
1843 + std::string("screenshot_")
1844 + std::string(timetstamp_c);
1845 std::string filename_ext = ".png";
1846 std::string filename;
1848 // Try to find a unique filename
1849 unsigned serial = 0;
1851 while (serial < SCREENSHOT_MAX_SERIAL_TRIES) {
1852 filename = filename_base + (serial > 0 ? ("_" + itos(serial)) : "") + filename_ext;
1853 std::ifstream tmp(filename.c_str());
1855 break; // File did not apparently exist, we'll go with it
1859 if (serial == SCREENSHOT_MAX_SERIAL_TRIES) {
1860 infostream << "Could not find suitable filename for screenshot" << std::endl;
1862 irr::video::IImage* const image =
1863 driver->createImage(video::ECF_R8G8B8, raw_image->getDimension());
1866 raw_image->copyTo(image);
1868 std::ostringstream sstr;
1869 if (driver->writeImageToFile(image, filename.c_str())) {
1870 sstr << "Saved screenshot to '" << filename << "'";
1872 sstr << "Failed to save screenshot '" << filename << "'";
1874 m_chat_queue.push(narrow_to_wide(sstr.str()));
1875 infostream << sstr.str() << std::endl;
1883 // IGameDef interface
1885 IItemDefManager* Client::getItemDefManager()
1889 INodeDefManager* Client::getNodeDefManager()
1893 ICraftDefManager* Client::getCraftDefManager()
1896 //return m_craftdef;
1898 ITextureSource* Client::getTextureSource()
1902 IShaderSource* Client::getShaderSource()
1906 scene::ISceneManager* Client::getSceneManager()
1908 return m_device->getSceneManager();
1910 u16 Client::allocateUnknownNodeId(const std::string &name)
1912 errorstream << "Client::allocateUnknownNodeId(): "
1913 << "Client cannot allocate node IDs" << std::endl;
1914 FATAL_ERROR("Client allocated unknown node");
1916 return CONTENT_IGNORE;
1918 ISoundManager* Client::getSoundManager()
1922 MtEventManager* Client::getEventManager()
1927 ParticleManager* Client::getParticleManager()
1929 return &m_particle_manager;
1932 scene::IAnimatedMesh* Client::getMesh(const std::string &filename)
1934 StringMap::const_iterator it = m_mesh_data.find(filename);
1935 if (it == m_mesh_data.end()) {
1936 errorstream << "Client::getMesh(): Mesh not found: \"" << filename
1937 << "\"" << std::endl;
1940 const std::string &data = it->second;
1941 scene::ISceneManager *smgr = m_device->getSceneManager();
1943 // Create the mesh, remove it from cache and return it
1944 // This allows unique vertex colors and other properties for each instance
1945 Buffer<char> data_rw(data.c_str(), data.size()); // Const-incorrect Irrlicht
1946 io::IFileSystem *irrfs = m_device->getFileSystem();
1947 io::IReadFile *rfile = irrfs->createMemoryReadFile(
1948 *data_rw, data_rw.getSize(), filename.c_str());
1949 FATAL_ERROR_IF(!rfile, "Could not create/open RAM file");
1951 scene::IAnimatedMesh *mesh = smgr->getMesh(rfile);
1953 // NOTE: By playing with Irrlicht refcounts, maybe we could cache a bunch
1954 // of uniquely named instances and re-use them
1956 smgr->getMeshCache()->removeMesh(mesh);