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),
232 m_minimap_disabled_by_server(false),
233 m_server_ser_ver(SER_FMT_VER_INVALID),
236 m_inventory_updated(false),
237 m_inventory_from_server(NULL),
238 m_inventory_from_server_age(0.0),
243 m_password(password),
244 m_chosen_auth_mech(AUTH_MECHANISM_NONE),
246 m_access_denied(false),
247 m_access_denied_reconnect(false),
248 m_itemdef_received(false),
249 m_nodedef_received(false),
250 m_media_downloader(new ClientMediaDownloader()),
251 m_time_of_day_set(false),
252 m_last_time_of_day_f(-1),
253 m_time_of_day_update_timer(0),
254 m_recommended_send_interval(0.1),
255 m_removed_sounds_check_timer(0),
260 m_env.addPlayer(new LocalPlayer(this, playername));
262 m_mapper = new Mapper(device, this);
263 m_cache_save_interval = g_settings->getU16("server_map_save_interval");
265 m_cache_smooth_lighting = g_settings->getBool("smooth_lighting");
266 m_cache_enable_shaders = g_settings->getBool("enable_shaders");
267 m_cache_use_tangent_vertices = m_cache_enable_shaders && (
268 g_settings->getBool("enable_bumpmapping") ||
269 g_settings->getBool("enable_parallax_occlusion"));
274 //request all client managed threads to stop
275 m_mesh_update_thread.stop();
276 // Save local server map
278 infostream << "Local map saving ended." << std::endl;
279 m_localdb->endSave();
283 bool Client::isShutdown()
286 if (!m_mesh_update_thread.isRunning()) return true;
295 m_mesh_update_thread.stop();
296 m_mesh_update_thread.wait();
297 while (!m_mesh_update_thread.m_queue_out.empty()) {
298 MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_frontNoEx();
303 delete m_inventory_from_server;
305 // Delete detached inventories
306 for (std::map<std::string, Inventory*>::iterator
307 i = m_detached_inventories.begin();
308 i != m_detached_inventories.end(); ++i) {
312 // cleanup 3d model meshes on client shutdown
313 while (m_device->getSceneManager()->getMeshCache()->getMeshCount() != 0) {
314 scene::IAnimatedMesh *mesh =
315 m_device->getSceneManager()->getMeshCache()->getMeshByIndex(0);
318 m_device->getSceneManager()->getMeshCache()->removeMesh(mesh);
324 void Client::connect(Address address,
325 const std::string &address_name,
326 bool is_local_server)
328 DSTACK(FUNCTION_NAME);
330 initLocalMapSaving(address, address_name, is_local_server);
332 m_con.SetTimeoutMs(0);
333 m_con.Connect(address);
336 void Client::step(float dtime)
338 DSTACK(FUNCTION_NAME);
344 if(m_ignore_damage_timer > dtime)
345 m_ignore_damage_timer -= dtime;
347 m_ignore_damage_timer = 0.0;
349 m_animation_time += dtime;
350 if(m_animation_time > 60.0)
351 m_animation_time -= 60.0;
353 m_time_of_day_update_timer += dtime;
361 float &counter = m_packetcounter_timer;
367 infostream << "Client packetcounter (" << m_packetcounter_timer
369 m_packetcounter.print(infostream);
370 m_packetcounter.clear();
374 // UGLY hack to fix 2 second startup delay caused by non existent
375 // server client startup synchronization in local server or singleplayer mode
376 static bool initial_step = true;
378 initial_step = false;
380 else if(m_state == LC_Created) {
381 float &counter = m_connection_reinit_timer;
386 Player *myplayer = m_env.getLocalPlayer();
387 FATAL_ERROR_IF(myplayer == NULL, "Local player not found in environment.");
389 // Send TOSERVER_INIT_LEGACY
390 // [0] u16 TOSERVER_INIT_LEGACY
391 // [2] u8 SER_FMT_VER_HIGHEST_READ
392 // [3] u8[20] player_name
393 // [23] u8[28] password (new in some version)
394 // [51] u16 minimum supported network protocol version (added sometime)
395 // [53] u16 maximum supported network protocol version (added later than the previous one)
397 char pName[PLAYERNAME_SIZE];
398 char pPassword[PASSWORD_SIZE];
399 memset(pName, 0, PLAYERNAME_SIZE * sizeof(char));
400 memset(pPassword, 0, PASSWORD_SIZE * sizeof(char));
402 std::string hashed_password = translatePassword(myplayer->getName(), m_password);
403 snprintf(pName, PLAYERNAME_SIZE, "%s", myplayer->getName());
404 snprintf(pPassword, PASSWORD_SIZE, "%s", hashed_password.c_str());
406 sendLegacyInit(pName, pPassword);
407 if (LATEST_PROTOCOL_VERSION >= 25)
408 sendInit(myplayer->getName());
411 // Not connected, return
416 Do stuff if connected
420 Run Map's timers and unload unused data
422 const float map_timer_and_unload_dtime = 5.25;
423 if(m_map_timer_and_unload_interval.step(dtime, map_timer_and_unload_dtime)) {
424 ScopeProfiler sp(g_profiler, "Client: map timer and unload");
425 std::vector<v3s16> deleted_blocks;
426 m_env.getMap().timerUpdate(map_timer_and_unload_dtime,
427 g_settings->getFloat("client_unload_unused_data_timeout"),
428 g_settings->getS32("client_mapblock_limit"),
433 NOTE: This loop is intentionally iterated the way it is.
436 std::vector<v3s16>::iterator i = deleted_blocks.begin();
437 std::vector<v3s16> sendlist;
439 if(sendlist.size() == 255 || i == deleted_blocks.end()) {
450 sendDeletedBlocks(sendlist);
452 if(i == deleted_blocks.end())
458 sendlist.push_back(*i);
466 // Control local player (0ms)
467 LocalPlayer *player = m_env.getLocalPlayer();
468 assert(player != NULL);
469 player->applyControl(dtime);
478 ClientEnvEvent event = m_env.getClientEvent();
479 if(event.type == CEE_NONE) {
482 else if(event.type == CEE_PLAYER_DAMAGE) {
483 if(m_ignore_damage_timer <= 0) {
484 u8 damage = event.player_damage.amount;
486 if(event.player_damage.send_to_server)
489 // Add to ClientEvent queue
491 event.type = CE_PLAYER_DAMAGE;
492 event.player_damage.amount = damage;
493 m_client_event_queue.push(event);
496 else if(event.type == CEE_PLAYER_BREATH) {
497 u16 breath = event.player_breath.amount;
505 float &counter = m_avg_rtt_timer;
509 // connectedAndInitialized() is true, peer exists.
510 float avg_rtt = getRTT();
511 infostream << "Client: avg_rtt=" << avg_rtt << std::endl;
515 Send player position to server
518 float &counter = m_playerpos_send_timer;
520 if((m_state == LC_Ready) && (counter >= m_recommended_send_interval))
528 Replace updated meshes
531 int num_processed_meshes = 0;
532 while (!m_mesh_update_thread.m_queue_out.empty())
534 num_processed_meshes++;
536 MinimapMapblock *minimap_mapblock = NULL;
537 bool do_mapper_update = true;
539 MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_frontNoEx();
540 MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(r.p);
542 // Delete the old mesh
543 if (block->mesh != NULL) {
549 minimap_mapblock = r.mesh->moveMinimapMapblock();
550 if (minimap_mapblock == NULL)
551 do_mapper_update = false;
554 if (r.mesh && r.mesh->getMesh()->getMeshBufferCount() == 0) {
557 // Replace with the new mesh
558 block->mesh = r.mesh;
564 if (do_mapper_update)
565 m_mapper->addBlock(r.p, minimap_mapblock);
567 if (r.ack_block_to_server) {
577 if (num_processed_meshes > 0)
578 g_profiler->graphAdd("num_processed_meshes", num_processed_meshes);
584 if (m_media_downloader && m_media_downloader->isStarted()) {
585 m_media_downloader->step(this);
586 if (m_media_downloader->isDone()) {
588 delete m_media_downloader;
589 m_media_downloader = NULL;
594 If the server didn't update the inventory in a while, revert
595 the local inventory (so the player notices the lag problem
596 and knows something is wrong).
598 if(m_inventory_from_server)
600 float interval = 10.0;
601 float count_before = floor(m_inventory_from_server_age / interval);
603 m_inventory_from_server_age += dtime;
605 float count_after = floor(m_inventory_from_server_age / interval);
607 if(count_after != count_before)
609 // Do this every <interval> seconds after TOCLIENT_INVENTORY
610 // Reset the locally changed inventory to the authoritative inventory
611 Player *player = m_env.getLocalPlayer();
612 player->inventory = *m_inventory_from_server;
613 m_inventory_updated = true;
618 Update positions of sounds attached to objects
621 for(std::map<int, u16>::iterator
622 i = m_sounds_to_objects.begin();
623 i != m_sounds_to_objects.end(); ++i)
625 int client_id = i->first;
626 u16 object_id = i->second;
627 ClientActiveObject *cao = m_env.getActiveObject(object_id);
630 v3f pos = cao->getPosition();
631 m_sound->updateSoundPosition(client_id, pos);
636 Handle removed remotely initiated sounds
638 m_removed_sounds_check_timer += dtime;
639 if(m_removed_sounds_check_timer >= 2.32) {
640 m_removed_sounds_check_timer = 0;
641 // Find removed sounds and clear references to them
642 std::vector<s32> removed_server_ids;
643 for(std::map<s32, int>::iterator
644 i = m_sounds_server_to_client.begin();
645 i != m_sounds_server_to_client.end();) {
646 s32 server_id = i->first;
647 int client_id = i->second;
649 if(!m_sound->soundExists(client_id)) {
650 m_sounds_server_to_client.erase(server_id);
651 m_sounds_client_to_server.erase(client_id);
652 m_sounds_to_objects.erase(client_id);
653 removed_server_ids.push_back(server_id);
658 if(!removed_server_ids.empty()) {
659 sendRemovedSounds(removed_server_ids);
664 if (m_localdb && m_localdb_save_interval.step(dtime,
665 m_cache_save_interval)) {
666 m_localdb->endSave();
667 m_localdb->beginSave();
671 bool Client::loadMedia(const std::string &data, const std::string &filename)
673 // Silly irrlicht's const-incorrectness
674 Buffer<char> data_rw(data.c_str(), data.size());
678 const char *image_ext[] = {
679 ".png", ".jpg", ".bmp", ".tga",
680 ".pcx", ".ppm", ".psd", ".wal", ".rgb",
683 name = removeStringEnd(filename, image_ext);
686 verbosestream<<"Client: Attempting to load image "
687 <<"file \""<<filename<<"\""<<std::endl;
689 io::IFileSystem *irrfs = m_device->getFileSystem();
690 video::IVideoDriver *vdrv = m_device->getVideoDriver();
692 // Create an irrlicht memory file
693 io::IReadFile *rfile = irrfs->createMemoryReadFile(
694 *data_rw, data_rw.getSize(), "_tempreadfile");
696 FATAL_ERROR_IF(!rfile, "Could not create irrlicht memory file.");
699 video::IImage *img = vdrv->createImageFromFile(rfile);
701 errorstream<<"Client: Cannot create image from data of "
702 <<"file \""<<filename<<"\""<<std::endl;
707 m_tsrc->insertSourceImage(filename, img);
714 const char *sound_ext[] = {
715 ".0.ogg", ".1.ogg", ".2.ogg", ".3.ogg", ".4.ogg",
716 ".5.ogg", ".6.ogg", ".7.ogg", ".8.ogg", ".9.ogg",
719 name = removeStringEnd(filename, sound_ext);
722 verbosestream<<"Client: Attempting to load sound "
723 <<"file \""<<filename<<"\""<<std::endl;
724 m_sound->loadSoundData(name, data);
728 const char *model_ext[] = {
729 ".x", ".b3d", ".md2", ".obj",
732 name = removeStringEnd(filename, model_ext);
735 verbosestream<<"Client: Storing model into memory: "
736 <<"\""<<filename<<"\""<<std::endl;
737 if(m_mesh_data.count(filename))
738 errorstream<<"Multiple models with name \""<<filename.c_str()
739 <<"\" found; replacing previous model"<<std::endl;
740 m_mesh_data[filename] = data;
744 errorstream<<"Client: Don't know how to load file \""
745 <<filename<<"\""<<std::endl;
749 // Virtual methods from con::PeerHandler
750 void Client::peerAdded(con::Peer *peer)
752 infostream << "Client::peerAdded(): peer->id="
753 << peer->id << std::endl;
755 void Client::deletingPeer(con::Peer *peer, bool timeout)
757 infostream << "Client::deletingPeer(): "
758 "Server Peer is getting deleted "
759 << "(timeout=" << timeout << ")" << std::endl;
762 m_access_denied = true;
763 m_access_denied_reason = gettext("Connection timed out.");
769 u16 number of files requested
775 void Client::request_media(const std::vector<std::string> &file_requests)
777 std::ostringstream os(std::ios_base::binary);
778 writeU16(os, TOSERVER_REQUEST_MEDIA);
779 size_t file_requests_size = file_requests.size();
781 FATAL_ERROR_IF(file_requests_size > 0xFFFF, "Unsupported number of file requests");
783 // Packet dynamicly resized
784 NetworkPacket pkt(TOSERVER_REQUEST_MEDIA, 2 + 0);
786 pkt << (u16) (file_requests_size & 0xFFFF);
788 for(std::vector<std::string>::const_iterator i = file_requests.begin();
789 i != file_requests.end(); ++i) {
795 infostream << "Client: Sending media request list to server ("
796 << file_requests.size() << " files. packet size)" << std::endl;
799 void Client::received_media()
801 NetworkPacket pkt(TOSERVER_RECEIVED_MEDIA, 0);
803 infostream << "Client: Notifying server that we received all media"
807 void Client::initLocalMapSaving(const Address &address,
808 const std::string &hostname,
809 bool is_local_server)
811 if (!g_settings->getBool("enable_local_map_saving") || is_local_server) {
815 const std::string world_path = porting::path_user
816 + DIR_DELIM + "worlds"
817 + DIR_DELIM + "server_"
818 + hostname + "_" + to_string(address.getPort());
820 fs::CreateAllDirs(world_path);
822 m_localdb = new Database_SQLite3(world_path);
823 m_localdb->beginSave();
824 actionstream << "Local map saving started, map will be saved at '" << world_path << "'" << std::endl;
827 void Client::ReceiveAll()
829 DSTACK(FUNCTION_NAME);
830 u32 start_ms = porting::getTimeMs();
833 // Limit time even if there would be huge amounts of data to
835 if(porting::getTimeMs() > start_ms + 100)
840 g_profiler->graphAdd("client_received_packets", 1);
842 catch(con::NoIncomingDataException &e) {
845 catch(con::InvalidIncomingDataException &e) {
846 infostream<<"Client::ReceiveAll(): "
847 "InvalidIncomingDataException: what()="
848 <<e.what()<<std::endl;
853 void Client::Receive()
855 DSTACK(FUNCTION_NAME);
861 inline void Client::handleCommand(NetworkPacket* pkt)
863 const ToClientCommandHandler& opHandle = toClientCommandTable[pkt->getCommand()];
864 (this->*opHandle.handler)(pkt);
868 sender_peer_id given to this shall be quaranteed to be a valid peer
870 void Client::ProcessData(NetworkPacket *pkt)
872 DSTACK(FUNCTION_NAME);
874 ToClientCommand command = (ToClientCommand) pkt->getCommand();
875 u32 sender_peer_id = pkt->getPeerId();
877 //infostream<<"Client: received command="<<command<<std::endl;
878 m_packetcounter.add((u16)command);
881 If this check is removed, be sure to change the queue
882 system to know the ids
884 if(sender_peer_id != PEER_ID_SERVER) {
885 infostream << "Client::ProcessData(): Discarding data not "
886 "coming from server: peer_id=" << sender_peer_id
891 // Command must be handled into ToClientCommandHandler
892 if (command >= TOCLIENT_NUM_MSG_TYPES) {
893 infostream << "Client: Ignoring unknown command "
894 << command << std::endl;
899 * Those packets are handled before m_server_ser_ver is set, it's normal
900 * But we must use the new ToClientConnectionState in the future,
903 if(toClientCommandTable[command].state == TOCLIENT_STATE_NOT_CONNECTED) {
908 if(m_server_ser_ver == SER_FMT_VER_INVALID) {
909 infostream << "Client: Server serialization"
910 " format invalid or not initialized."
911 " Skipping incoming command=" << command << std::endl;
916 Handle runtime commands
922 void Client::Send(NetworkPacket* pkt)
924 m_con.Send(PEER_ID_SERVER,
925 serverCommandFactoryTable[pkt->getCommand()].channel,
927 serverCommandFactoryTable[pkt->getCommand()].reliable);
930 void Client::interact(u8 action, const PointedThing& pointed)
932 if(m_state != LC_Ready) {
933 errorstream << "Client::interact() "
934 "Canceled (not connected)"
943 [5] u32 length of the next item
944 [9] serialized PointedThing
946 0: start digging (from undersurface) or use
947 1: stop digging (all parameters ignored)
949 3: place block or item (to abovesurface)
951 5: perform secondary action of item
954 NetworkPacket pkt(TOSERVER_INTERACT, 1 + 2 + 0);
957 pkt << (u16)getPlayerItem();
959 std::ostringstream tmp_os(std::ios::binary);
960 pointed.serialize(tmp_os);
962 pkt.putLongString(tmp_os.str());
967 void Client::deleteAuthData()
972 switch (m_chosen_auth_mech) {
973 case AUTH_MECHANISM_FIRST_SRP:
975 case AUTH_MECHANISM_SRP:
976 case AUTH_MECHANISM_LEGACY_PASSWORD:
977 srp_user_delete((SRPUser *) m_auth_data);
980 case AUTH_MECHANISM_NONE:
983 m_chosen_auth_mech = AUTH_MECHANISM_NONE;
987 AuthMechanism Client::choseAuthMech(const u32 mechs)
989 if (mechs & AUTH_MECHANISM_SRP)
990 return AUTH_MECHANISM_SRP;
992 if (mechs & AUTH_MECHANISM_FIRST_SRP)
993 return AUTH_MECHANISM_FIRST_SRP;
995 if (mechs & AUTH_MECHANISM_LEGACY_PASSWORD)
996 return AUTH_MECHANISM_LEGACY_PASSWORD;
998 return AUTH_MECHANISM_NONE;
1001 void Client::sendLegacyInit(const char* playerName, const char* playerPassword)
1003 NetworkPacket pkt(TOSERVER_INIT_LEGACY,
1004 1 + PLAYERNAME_SIZE + PASSWORD_SIZE + 2 + 2);
1006 pkt << (u8) SER_FMT_VER_HIGHEST_READ;
1007 pkt.putRawString(playerName,PLAYERNAME_SIZE);
1008 pkt.putRawString(playerPassword, PASSWORD_SIZE);
1009 pkt << (u16) CLIENT_PROTOCOL_VERSION_MIN << (u16) CLIENT_PROTOCOL_VERSION_MAX;
1014 void Client::sendInit(const std::string &playerName)
1016 NetworkPacket pkt(TOSERVER_INIT, 1 + 2 + 2 + (1 + playerName.size()));
1018 // we don't support network compression yet
1019 u16 supp_comp_modes = NETPROTO_COMPRESSION_NONE;
1020 pkt << (u8) SER_FMT_VER_HIGHEST_READ << (u16) supp_comp_modes;
1021 pkt << (u16) CLIENT_PROTOCOL_VERSION_MIN << (u16) CLIENT_PROTOCOL_VERSION_MAX;
1027 void Client::startAuth(AuthMechanism chosen_auth_mechanism)
1029 m_chosen_auth_mech = chosen_auth_mechanism;
1031 switch (chosen_auth_mechanism) {
1032 case AUTH_MECHANISM_FIRST_SRP: {
1033 // send srp verifier to server
1034 NetworkPacket resp_pkt(TOSERVER_FIRST_SRP, 0);
1035 char *salt, *bytes_v;
1036 std::size_t len_salt, len_v;
1038 getSRPVerifier(getPlayerName(), m_password,
1039 &salt, &len_salt, &bytes_v, &len_v);
1041 << std::string((char*)salt, len_salt)
1042 << std::string((char*)bytes_v, len_v)
1043 << (u8)((m_password == "") ? 1 : 0);
1049 case AUTH_MECHANISM_SRP:
1050 case AUTH_MECHANISM_LEGACY_PASSWORD: {
1053 if (chosen_auth_mechanism == AUTH_MECHANISM_LEGACY_PASSWORD) {
1054 m_password = translatePassword(getPlayerName(), m_password);
1058 std::string playername_u = lowercase(getPlayerName());
1059 m_auth_data = srp_user_new(SRP_SHA256, SRP_NG_2048,
1060 getPlayerName().c_str(), playername_u.c_str(),
1061 (const unsigned char *) m_password.c_str(),
1062 m_password.length(), NULL, NULL);
1065 SRP_Result res = srp_user_start_authentication(
1066 (struct SRPUser *) m_auth_data, NULL, NULL, 0,
1067 (unsigned char **) &bytes_A, &len_A);
1068 FATAL_ERROR_IF(res != SRP_OK, "Creating local SRP user failed.");
1070 NetworkPacket resp_pkt(TOSERVER_SRP_BYTES_A, 0);
1071 resp_pkt << std::string(bytes_A, len_A) << based_on;
1075 case AUTH_MECHANISM_NONE:
1076 break; // not handled in this method
1080 void Client::sendDeletedBlocks(std::vector<v3s16> &blocks)
1082 NetworkPacket pkt(TOSERVER_DELETEDBLOCKS, 1 + sizeof(v3s16) * blocks.size());
1084 pkt << (u8) blocks.size();
1087 for(std::vector<v3s16>::iterator
1089 j != blocks.end(); ++j) {
1097 void Client::sendGotBlocks(v3s16 block)
1099 NetworkPacket pkt(TOSERVER_GOTBLOCKS, 1 + 6);
1100 pkt << (u8) 1 << block;
1104 void Client::sendRemovedSounds(std::vector<s32> &soundList)
1106 size_t server_ids = soundList.size();
1107 assert(server_ids <= 0xFFFF);
1109 NetworkPacket pkt(TOSERVER_REMOVED_SOUNDS, 2 + server_ids * 4);
1111 pkt << (u16) (server_ids & 0xFFFF);
1113 for(std::vector<s32>::iterator i = soundList.begin();
1114 i != soundList.end(); ++i)
1120 void Client::sendNodemetaFields(v3s16 p, const std::string &formname,
1121 const StringMap &fields)
1123 size_t fields_size = fields.size();
1125 FATAL_ERROR_IF(fields_size > 0xFFFF, "Unsupported number of nodemeta fields");
1127 NetworkPacket pkt(TOSERVER_NODEMETA_FIELDS, 0);
1129 pkt << p << formname << (u16) (fields_size & 0xFFFF);
1131 StringMap::const_iterator it;
1132 for (it = fields.begin(); it != fields.end(); ++it) {
1133 const std::string &name = it->first;
1134 const std::string &value = it->second;
1136 pkt.putLongString(value);
1142 void Client::sendInventoryFields(const std::string &formname,
1143 const StringMap &fields)
1145 size_t fields_size = fields.size();
1146 FATAL_ERROR_IF(fields_size > 0xFFFF, "Unsupported number of inventory fields");
1148 NetworkPacket pkt(TOSERVER_INVENTORY_FIELDS, 0);
1149 pkt << formname << (u16) (fields_size & 0xFFFF);
1151 StringMap::const_iterator it;
1152 for (it = fields.begin(); it != fields.end(); ++it) {
1153 const std::string &name = it->first;
1154 const std::string &value = it->second;
1156 pkt.putLongString(value);
1162 void Client::sendInventoryAction(InventoryAction *a)
1164 std::ostringstream os(std::ios_base::binary);
1169 std::string s = os.str();
1171 NetworkPacket pkt(TOSERVER_INVENTORY_ACTION, s.size());
1172 pkt.putRawString(s.c_str(),s.size());
1177 void Client::sendChatMessage(const std::wstring &message)
1179 NetworkPacket pkt(TOSERVER_CHAT_MESSAGE, 2 + message.size() * sizeof(u16));
1186 void Client::sendChangePassword(const std::string &oldpassword,
1187 const std::string &newpassword)
1189 Player *player = m_env.getLocalPlayer();
1193 std::string playername = player->getName();
1194 if (m_proto_ver >= 25) {
1195 // get into sudo mode and then send new password to server
1196 m_password = oldpassword;
1197 m_new_password = newpassword;
1198 startAuth(choseAuthMech(m_sudo_auth_methods));
1200 std::string oldpwd = translatePassword(playername, oldpassword);
1201 std::string newpwd = translatePassword(playername, newpassword);
1203 NetworkPacket pkt(TOSERVER_PASSWORD_LEGACY, 2 * PASSWORD_SIZE);
1205 for (u8 i = 0; i < PASSWORD_SIZE; i++) {
1206 pkt << (u8) (i < oldpwd.length() ? oldpwd[i] : 0);
1209 for (u8 i = 0; i < PASSWORD_SIZE; i++) {
1210 pkt << (u8) (i < newpwd.length() ? newpwd[i] : 0);
1217 void Client::sendDamage(u8 damage)
1219 DSTACK(FUNCTION_NAME);
1221 NetworkPacket pkt(TOSERVER_DAMAGE, sizeof(u8));
1226 void Client::sendBreath(u16 breath)
1228 DSTACK(FUNCTION_NAME);
1230 NetworkPacket pkt(TOSERVER_BREATH, sizeof(u16));
1235 void Client::sendRespawn()
1237 DSTACK(FUNCTION_NAME);
1239 NetworkPacket pkt(TOSERVER_RESPAWN, 0);
1243 void Client::sendReady()
1245 DSTACK(FUNCTION_NAME);
1247 NetworkPacket pkt(TOSERVER_CLIENT_READY,
1248 1 + 1 + 1 + 1 + 2 + sizeof(char) * strlen(g_version_hash));
1250 pkt << (u8) VERSION_MAJOR << (u8) VERSION_MINOR << (u8) VERSION_PATCH
1251 << (u8) 0 << (u16) strlen(g_version_hash);
1253 pkt.putRawString(g_version_hash, (u16) strlen(g_version_hash));
1257 void Client::sendPlayerPos()
1259 LocalPlayer *myplayer = m_env.getLocalPlayer();
1260 if(myplayer == NULL)
1263 // Save bandwidth by only updating position when something changed
1264 if(myplayer->last_position == myplayer->getPosition() &&
1265 myplayer->last_speed == myplayer->getSpeed() &&
1266 myplayer->last_pitch == myplayer->getPitch() &&
1267 myplayer->last_yaw == myplayer->getYaw() &&
1268 myplayer->last_keyPressed == myplayer->keyPressed)
1271 myplayer->last_position = myplayer->getPosition();
1272 myplayer->last_speed = myplayer->getSpeed();
1273 myplayer->last_pitch = myplayer->getPitch();
1274 myplayer->last_yaw = myplayer->getYaw();
1275 myplayer->last_keyPressed = myplayer->keyPressed;
1279 //MutexAutoLock lock(m_con_mutex); //bulk comment-out
1280 our_peer_id = m_con.GetPeerID();
1283 // Set peer id if not set already
1284 if(myplayer->peer_id == PEER_ID_INEXISTENT)
1285 myplayer->peer_id = our_peer_id;
1287 assert(myplayer->peer_id == our_peer_id);
1289 v3f pf = myplayer->getPosition();
1290 v3f sf = myplayer->getSpeed();
1291 s32 pitch = myplayer->getPitch() * 100;
1292 s32 yaw = myplayer->getYaw() * 100;
1293 u32 keyPressed = myplayer->keyPressed;
1295 v3s32 position(pf.X*100, pf.Y*100, pf.Z*100);
1296 v3s32 speed(sf.X*100, sf.Y*100, sf.Z*100);
1299 [0] v3s32 position*100
1300 [12] v3s32 speed*100
1301 [12+12] s32 pitch*100
1302 [12+12+4] s32 yaw*100
1303 [12+12+4+4] u32 keyPressed
1306 NetworkPacket pkt(TOSERVER_PLAYERPOS, 12 + 12 + 4 + 4 + 4);
1308 pkt << position << speed << pitch << yaw << keyPressed;
1313 void Client::sendPlayerItem(u16 item)
1315 Player *myplayer = m_env.getLocalPlayer();
1316 if(myplayer == NULL)
1319 u16 our_peer_id = m_con.GetPeerID();
1321 // Set peer id if not set already
1322 if(myplayer->peer_id == PEER_ID_INEXISTENT)
1323 myplayer->peer_id = our_peer_id;
1324 assert(myplayer->peer_id == our_peer_id);
1326 NetworkPacket pkt(TOSERVER_PLAYERITEM, 2);
1333 void Client::removeNode(v3s16 p)
1335 std::map<v3s16, MapBlock*> modified_blocks;
1338 m_env.getMap().removeNodeAndUpdate(p, modified_blocks);
1340 catch(InvalidPositionException &e) {
1343 for(std::map<v3s16, MapBlock *>::iterator
1344 i = modified_blocks.begin();
1345 i != modified_blocks.end(); ++i) {
1346 addUpdateMeshTaskWithEdge(i->first, false, true);
1350 void Client::addNode(v3s16 p, MapNode n, bool remove_metadata)
1352 //TimeTaker timer1("Client::addNode()");
1354 std::map<v3s16, MapBlock*> modified_blocks;
1357 //TimeTaker timer3("Client::addNode(): addNodeAndUpdate");
1358 m_env.getMap().addNodeAndUpdate(p, n, modified_blocks, remove_metadata);
1360 catch(InvalidPositionException &e) {
1363 for(std::map<v3s16, MapBlock *>::iterator
1364 i = modified_blocks.begin();
1365 i != modified_blocks.end(); ++i) {
1366 addUpdateMeshTaskWithEdge(i->first, false, true);
1370 void Client::setPlayerControl(PlayerControl &control)
1372 LocalPlayer *player = m_env.getLocalPlayer();
1373 assert(player != NULL);
1374 player->control = control;
1377 void Client::selectPlayerItem(u16 item)
1379 m_playeritem = item;
1380 m_inventory_updated = true;
1381 sendPlayerItem(item);
1384 // Returns true if the inventory of the local player has been
1385 // updated from the server. If it is true, it is set to false.
1386 bool Client::getLocalInventoryUpdated()
1388 bool updated = m_inventory_updated;
1389 m_inventory_updated = false;
1393 // Copies the inventory of the local player to parameter
1394 void Client::getLocalInventory(Inventory &dst)
1396 Player *player = m_env.getLocalPlayer();
1397 assert(player != NULL);
1398 dst = player->inventory;
1401 Inventory* Client::getInventory(const InventoryLocation &loc)
1404 case InventoryLocation::UNDEFINED:
1407 case InventoryLocation::CURRENT_PLAYER:
1409 Player *player = m_env.getLocalPlayer();
1410 assert(player != NULL);
1411 return &player->inventory;
1414 case InventoryLocation::PLAYER:
1416 Player *player = m_env.getPlayer(loc.name.c_str());
1419 return &player->inventory;
1422 case InventoryLocation::NODEMETA:
1424 NodeMetadata *meta = m_env.getMap().getNodeMetadata(loc.p);
1427 return meta->getInventory();
1430 case InventoryLocation::DETACHED:
1432 if(m_detached_inventories.count(loc.name) == 0)
1434 return m_detached_inventories[loc.name];
1438 FATAL_ERROR("Invalid inventory location type.");
1444 void Client::inventoryAction(InventoryAction *a)
1447 Send it to the server
1449 sendInventoryAction(a);
1452 Predict some local inventory changes
1454 a->clientApply(this, this);
1460 ClientActiveObject * Client::getSelectedActiveObject(
1462 v3f from_pos_f_on_map,
1463 core::line3d<f32> shootline_on_map
1466 std::vector<DistanceSortedActiveObject> objects;
1468 m_env.getActiveObjects(from_pos_f_on_map, max_d, objects);
1471 // After this, the closest object is the first in the array.
1472 std::sort(objects.begin(), objects.end());
1474 for(unsigned int i=0; i<objects.size(); i++)
1476 ClientActiveObject *obj = objects[i].obj;
1478 aabb3f *selection_box = obj->getSelectionBox();
1479 if(selection_box == NULL)
1482 v3f pos = obj->getPosition();
1484 aabb3f offsetted_box(
1485 selection_box->MinEdge + pos,
1486 selection_box->MaxEdge + pos
1489 if(offsetted_box.intersectsWithLine(shootline_on_map))
1498 std::list<std::string> Client::getConnectedPlayerNames()
1500 return m_env.getPlayerNames();
1503 float Client::getAnimationTime()
1505 return m_animation_time;
1508 int Client::getCrackLevel()
1510 return m_crack_level;
1513 void Client::setCrack(int level, v3s16 pos)
1515 int old_crack_level = m_crack_level;
1516 v3s16 old_crack_pos = m_crack_pos;
1518 m_crack_level = level;
1521 if(old_crack_level >= 0 && (level < 0 || pos != old_crack_pos))
1524 addUpdateMeshTaskForNode(old_crack_pos, false, true);
1526 if(level >= 0 && (old_crack_level < 0 || pos != old_crack_pos))
1529 addUpdateMeshTaskForNode(pos, false, true);
1535 Player *player = m_env.getLocalPlayer();
1536 assert(player != NULL);
1540 u16 Client::getBreath()
1542 Player *player = m_env.getLocalPlayer();
1543 assert(player != NULL);
1544 return player->getBreath();
1547 bool Client::getChatMessage(std::wstring &message)
1549 if(m_chat_queue.size() == 0)
1551 message = m_chat_queue.front();
1556 void Client::typeChatMessage(const std::wstring &message)
1558 // Discard empty line
1563 sendChatMessage(message);
1566 if (message[0] == L'/')
1568 m_chat_queue.push((std::wstring)L"issued command: " + message);
1572 LocalPlayer *player = m_env.getLocalPlayer();
1573 assert(player != NULL);
1574 std::wstring name = narrow_to_wide(player->getName());
1575 m_chat_queue.push((std::wstring)L"<" + name + L"> " + message);
1579 void Client::addUpdateMeshTask(v3s16 p, bool ack_to_server, bool urgent)
1581 MapBlock *b = m_env.getMap().getBlockNoCreateNoEx(p);
1586 Create a task to update the mesh of the block
1589 MeshMakeData *data = new MeshMakeData(this, m_cache_enable_shaders,
1590 m_cache_use_tangent_vertices);
1593 //TimeTaker timer("data fill");
1595 // Debug: 1-6ms, avg=2ms
1597 data->setCrack(m_crack_level, m_crack_pos);
1598 data->setSmoothLighting(m_cache_smooth_lighting);
1601 // Add task to queue
1602 m_mesh_update_thread.enqueueUpdate(p, data, ack_to_server, urgent);
1605 void Client::addUpdateMeshTaskWithEdge(v3s16 blockpos, bool ack_to_server, bool urgent)
1608 addUpdateMeshTask(blockpos, ack_to_server, urgent);
1610 catch(InvalidPositionException &e){}
1613 for (int i=0;i<6;i++)
1616 v3s16 p = blockpos + g_6dirs[i];
1617 addUpdateMeshTask(p, false, urgent);
1619 catch(InvalidPositionException &e){}
1623 void Client::addUpdateMeshTaskForNode(v3s16 nodepos, bool ack_to_server, bool urgent)
1627 infostream<<"Client::addUpdateMeshTaskForNode(): "
1628 <<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"
1632 v3s16 blockpos = getNodeBlockPos(nodepos);
1633 v3s16 blockpos_relative = blockpos * MAP_BLOCKSIZE;
1636 addUpdateMeshTask(blockpos, ack_to_server, urgent);
1638 catch(InvalidPositionException &e) {}
1641 if(nodepos.X == blockpos_relative.X){
1643 v3s16 p = blockpos + v3s16(-1,0,0);
1644 addUpdateMeshTask(p, false, urgent);
1646 catch(InvalidPositionException &e){}
1649 if(nodepos.Y == blockpos_relative.Y){
1651 v3s16 p = blockpos + v3s16(0,-1,0);
1652 addUpdateMeshTask(p, false, urgent);
1654 catch(InvalidPositionException &e){}
1657 if(nodepos.Z == blockpos_relative.Z){
1659 v3s16 p = blockpos + v3s16(0,0,-1);
1660 addUpdateMeshTask(p, false, urgent);
1662 catch(InvalidPositionException &e){}
1666 ClientEvent Client::getClientEvent()
1669 if(m_client_event_queue.size() == 0) {
1670 event.type = CE_NONE;
1673 event = m_client_event_queue.front();
1674 m_client_event_queue.pop();
1679 float Client::mediaReceiveProgress()
1681 if (m_media_downloader)
1682 return m_media_downloader->getProgress();
1684 return 1.0; // downloader only exists when not yet done
1687 typedef struct TextureUpdateArgs {
1688 IrrlichtDevice *device;
1689 gui::IGUIEnvironment *guienv;
1692 const wchar_t* text_base;
1693 } TextureUpdateArgs;
1695 void texture_update_progress(void *args, u32 progress, u32 max_progress)
1697 TextureUpdateArgs* targs = (TextureUpdateArgs*) args;
1698 u16 cur_percent = ceil(progress / (double) max_progress * 100.);
1700 // update the loading menu -- if neccessary
1701 bool do_draw = false;
1702 u32 time_ms = targs->last_time_ms;
1703 if (cur_percent != targs->last_percent) {
1704 targs->last_percent = cur_percent;
1705 time_ms = getTimeMs();
1706 // only draw when the user will notice something:
1707 do_draw = (time_ms - targs->last_time_ms > 100);
1711 targs->last_time_ms = time_ms;
1712 std::basic_stringstream<wchar_t> strm;
1713 strm << targs->text_base << " " << targs->last_percent << "%...";
1714 draw_load_screen(strm.str(), targs->device, targs->guienv, 0,
1715 72 + (u16) ((18. / 100.) * (double) targs->last_percent));
1719 void Client::afterContentReceived(IrrlichtDevice *device)
1721 infostream<<"Client::afterContentReceived() started"<<std::endl;
1722 assert(m_itemdef_received); // pre-condition
1723 assert(m_nodedef_received); // pre-condition
1724 assert(mediaReceived()); // pre-condition
1726 const wchar_t* text = wgettext("Loading textures...");
1728 // Clear cached pre-scaled 2D GUI images, as this cache
1729 // might have images with the same name but different
1730 // content from previous sessions.
1731 guiScalingCacheClear(device->getVideoDriver());
1733 // Rebuild inherited images and recreate textures
1734 infostream<<"- Rebuilding images and textures"<<std::endl;
1735 draw_load_screen(text,device, guienv, 0, 70);
1736 m_tsrc->rebuildImagesAndTextures();
1740 infostream<<"- Rebuilding shaders"<<std::endl;
1741 text = wgettext("Rebuilding shaders...");
1742 draw_load_screen(text, device, guienv, 0, 71);
1743 m_shsrc->rebuildShaders();
1746 // Update node aliases
1747 infostream<<"- Updating node aliases"<<std::endl;
1748 text = wgettext("Initializing nodes...");
1749 draw_load_screen(text, device, guienv, 0, 72);
1750 m_nodedef->updateAliases(m_itemdef);
1751 std::string texture_path = g_settings->get("texture_path");
1752 if (texture_path != "" && fs::IsDir(texture_path))
1753 m_nodedef->applyTextureOverrides(texture_path + DIR_DELIM + "override.txt");
1754 m_nodedef->setNodeRegistrationStatus(true);
1755 m_nodedef->runNodeResolveCallbacks();
1758 // Update node textures and assign shaders to each tile
1759 infostream<<"- Updating node textures"<<std::endl;
1760 TextureUpdateArgs tu_args;
1761 tu_args.device = device;
1762 tu_args.guienv = guienv;
1763 tu_args.last_time_ms = getTimeMs();
1764 tu_args.last_percent = 0;
1765 tu_args.text_base = wgettext("Initializing nodes");
1766 m_nodedef->updateTextures(this, texture_update_progress, &tu_args);
1767 delete[] tu_args.text_base;
1769 // Start mesh update thread after setting up content definitions
1770 infostream<<"- Starting mesh update thread"<<std::endl;
1771 m_mesh_update_thread.start();
1775 text = wgettext("Done!");
1776 draw_load_screen(text, device, guienv, 0, 100);
1777 infostream<<"Client::afterContentReceived() done"<<std::endl;
1781 float Client::getRTT(void)
1783 return m_con.getPeerStat(PEER_ID_SERVER,con::AVG_RTT);
1786 float Client::getCurRate(void)
1788 return ( m_con.getLocalStat(con::CUR_INC_RATE) +
1789 m_con.getLocalStat(con::CUR_DL_RATE));
1792 float Client::getAvgRate(void)
1794 return ( m_con.getLocalStat(con::AVG_INC_RATE) +
1795 m_con.getLocalStat(con::AVG_DL_RATE));
1798 void Client::makeScreenshot(IrrlichtDevice *device)
1800 irr::video::IVideoDriver *driver = device->getVideoDriver();
1801 irr::video::IImage* const raw_image = driver->createScreenShot();
1806 time_t t = time(NULL);
1807 struct tm *tm = localtime(&t);
1809 char timetstamp_c[64];
1810 strftime(timetstamp_c, sizeof(timetstamp_c), "%Y%m%d_%H%M%S", tm);
1812 std::string filename_base = g_settings->get("screenshot_path")
1814 + std::string("screenshot_")
1815 + std::string(timetstamp_c);
1816 std::string filename_ext = "." + g_settings->get("screenshot_format");
1817 std::string filename;
1819 u32 quality = (u32)g_settings->getS32("screenshot_quality");
1820 quality = MYMIN(MYMAX(quality, 0), 100) / 100.0 * 255;
1822 // Try to find a unique filename
1823 unsigned serial = 0;
1825 while (serial < SCREENSHOT_MAX_SERIAL_TRIES) {
1826 filename = filename_base + (serial > 0 ? ("_" + itos(serial)) : "") + filename_ext;
1827 std::ifstream tmp(filename.c_str());
1829 break; // File did not apparently exist, we'll go with it
1833 if (serial == SCREENSHOT_MAX_SERIAL_TRIES) {
1834 infostream << "Could not find suitable filename for screenshot" << std::endl;
1836 irr::video::IImage* const image =
1837 driver->createImage(video::ECF_R8G8B8, raw_image->getDimension());
1840 raw_image->copyTo(image);
1842 std::ostringstream sstr;
1843 if (driver->writeImageToFile(image, filename.c_str(), quality)) {
1844 sstr << "Saved screenshot to '" << filename << "'";
1846 sstr << "Failed to save screenshot '" << filename << "'";
1848 m_chat_queue.push(narrow_to_wide(sstr.str()));
1849 infostream << sstr.str() << std::endl;
1857 // IGameDef interface
1859 IItemDefManager* Client::getItemDefManager()
1863 INodeDefManager* Client::getNodeDefManager()
1867 ICraftDefManager* Client::getCraftDefManager()
1870 //return m_craftdef;
1872 ITextureSource* Client::getTextureSource()
1876 IShaderSource* Client::getShaderSource()
1880 scene::ISceneManager* Client::getSceneManager()
1882 return m_device->getSceneManager();
1884 u16 Client::allocateUnknownNodeId(const std::string &name)
1886 errorstream << "Client::allocateUnknownNodeId(): "
1887 << "Client cannot allocate node IDs" << std::endl;
1888 FATAL_ERROR("Client allocated unknown node");
1890 return CONTENT_IGNORE;
1892 ISoundManager* Client::getSoundManager()
1896 MtEventManager* Client::getEventManager()
1901 ParticleManager* Client::getParticleManager()
1903 return &m_particle_manager;
1906 scene::IAnimatedMesh* Client::getMesh(const std::string &filename)
1908 StringMap::const_iterator it = m_mesh_data.find(filename);
1909 if (it == m_mesh_data.end()) {
1910 errorstream << "Client::getMesh(): Mesh not found: \"" << filename
1911 << "\"" << std::endl;
1914 const std::string &data = it->second;
1915 scene::ISceneManager *smgr = m_device->getSceneManager();
1917 // Create the mesh, remove it from cache and return it
1918 // This allows unique vertex colors and other properties for each instance
1919 Buffer<char> data_rw(data.c_str(), data.size()); // Const-incorrect Irrlicht
1920 io::IFileSystem *irrfs = m_device->getFileSystem();
1921 io::IReadFile *rfile = irrfs->createMemoryReadFile(
1922 *data_rw, data_rw.getSize(), filename.c_str());
1923 FATAL_ERROR_IF(!rfile, "Could not create/open RAM file");
1925 scene::IAnimatedMesh *mesh = smgr->getMesh(rfile);
1927 // NOTE: By playing with Irrlicht refcounts, maybe we could cache a bunch
1928 // of uniquely named instances and re-use them
1930 smgr->getMeshCache()->removeMesh(mesh);