3 Copyright (C) 2010 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 General Public License as published by
7 the Free Software Foundation; either version 2 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 General Public License for more details.
15 You should have received a copy of the GNU 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 "clientserver.h"
24 #include "jmutexautolock.h"
29 void * ClientUpdateThread::Thread()
33 DSTACK(__FUNCTION_NAME);
35 BEGIN_DEBUG_EXCEPTION_HANDLER
39 m_client->asyncStep();
41 //m_client->updateSomeExpiredMeshes();
43 bool was = m_client->AsyncProcessData();
49 END_DEBUG_EXCEPTION_HANDLER
55 IrrlichtDevice *device,
56 const char *playername,
57 MapDrawControl &control):
60 new ClientMap(this, control,
61 device->getSceneManager()->getRootSceneNode(),
62 device->getSceneManager(), 666),
63 device->getSceneManager()
65 m_con(PROTOCOL_ID, 512, CONNECTION_TIMEOUT, this),
67 camera_position(0,0,0),
68 camera_direction(0,0,1),
69 m_server_ser_ver(SER_FMT_VER_INVALID),
71 m_inventory_updated(false),
74 m_packetcounter_timer = 0.0;
75 m_delete_unused_sectors_timer = 0.0;
76 m_connection_reinit_timer = 0.0;
77 m_avg_rtt_timer = 0.0;
78 m_playerpos_send_timer = 0.0;
80 //m_fetchblock_mutex.Init();
81 m_incoming_queue_mutex.Init();
84 m_step_dtime_mutex.Init();
92 JMutexAutoLock envlock(m_env_mutex);
94 Player *player = new LocalPlayer();
96 player->updateName(playername);
98 m_env.addPlayer(player);
101 // Add some active objects for testing
103 ClientActiveObject *obj = new TestCAO(0, v3f(0, 10*BS, 0));
104 m_env.addActiveObject(obj);
111 JMutexAutoLock conlock(m_con_mutex);
115 m_thread.setRun(false);
116 while(m_thread.IsRunning())
120 void Client::connect(Address address)
122 DSTACK(__FUNCTION_NAME);
123 JMutexAutoLock lock(m_con_mutex);
124 m_con.setTimeoutMs(0);
125 m_con.Connect(address);
128 bool Client::connectedAndInitialized()
130 JMutexAutoLock lock(m_con_mutex);
132 if(m_con.Connected() == false)
135 if(m_server_ser_ver == SER_FMT_VER_INVALID)
141 void Client::step(float dtime)
143 DSTACK(__FUNCTION_NAME);
150 //dstream<<"Client steps "<<dtime<<std::endl;
153 //TimeTaker timer("ReceiveAll()", m_device);
159 //TimeTaker timer("m_con_mutex + m_con.RunTimeouts()", m_device);
161 JMutexAutoLock lock(m_con_mutex);
162 m_con.RunTimeouts(dtime);
169 float &counter = m_packetcounter_timer;
175 dout_client<<"Client packetcounter (20s):"<<std::endl;
176 m_packetcounter.print(dout_client);
177 m_packetcounter.clear();
183 Delete unused sectors
185 NOTE: This jams the game for a while because deleting sectors
189 float &counter = m_delete_unused_sectors_timer;
197 JMutexAutoLock lock(m_env_mutex);
199 core::list<v3s16> deleted_blocks;
201 float delete_unused_sectors_timeout =
202 g_settings.getFloat("client_delete_unused_sectors_timeout");
204 // Delete sector blocks
205 /*u32 num = m_env.getMap().deleteUnusedSectors
206 (delete_unused_sectors_timeout,
207 true, &deleted_blocks);*/
209 // Delete whole sectors
210 u32 num = m_env.getMap().deleteUnusedSectors
211 (delete_unused_sectors_timeout,
212 false, &deleted_blocks);
216 /*dstream<<DTIME<<"Client: Deleted blocks of "<<num
217 <<" unused sectors"<<std::endl;*/
218 dstream<<DTIME<<"Client: Deleted "<<num
219 <<" unused sectors"<<std::endl;
225 // Env is locked so con can be locked.
226 JMutexAutoLock lock(m_con_mutex);
228 core::list<v3s16>::Iterator i = deleted_blocks.begin();
229 core::list<v3s16> sendlist;
232 if(sendlist.size() == 255 || i == deleted_blocks.end())
234 if(sendlist.size() == 0)
243 u32 replysize = 2+1+6*sendlist.size();
244 SharedBuffer<u8> reply(replysize);
245 writeU16(&reply[0], TOSERVER_DELETEDBLOCKS);
246 reply[2] = sendlist.size();
248 for(core::list<v3s16>::Iterator
249 j = sendlist.begin();
250 j != sendlist.end(); j++)
252 writeV3S16(&reply[2+1+6*k], *j);
255 m_con.Send(PEER_ID_SERVER, 1, reply, true);
257 if(i == deleted_blocks.end())
263 sendlist.push_back(*i);
270 bool connected = connectedAndInitialized();
272 if(connected == false)
274 float &counter = m_connection_reinit_timer;
280 JMutexAutoLock envlock(m_env_mutex);
282 Player *myplayer = m_env.getLocalPlayer();
283 assert(myplayer != NULL);
285 // Send TOSERVER_INIT
286 // [0] u16 TOSERVER_INIT
287 // [2] u8 SER_FMT_VER_HIGHEST
288 // [3] u8[20] player_name
289 SharedBuffer<u8> data(2+1+PLAYERNAME_SIZE);
290 writeU16(&data[0], TOSERVER_INIT);
291 writeU8(&data[2], SER_FMT_VER_HIGHEST);
292 memset((char*)&data[3], 0, PLAYERNAME_SIZE);
293 snprintf((char*)&data[3], PLAYERNAME_SIZE, "%s", myplayer->getName());
294 // Send as unreliable
295 Send(0, data, false);
298 // Not connected, return
303 Do stuff if connected
308 JMutexAutoLock lock(m_env_mutex);
310 // Control local player (0ms)
311 LocalPlayer *player = m_env.getLocalPlayer();
312 assert(player != NULL);
313 player->applyControl(dtime);
315 //TimeTaker envtimer("env step", m_device);
319 // Step active blocks
320 for(core::map<v3s16, bool>::Iterator
321 i = m_active_blocks.getIterator();
322 i.atEnd() == false; i++)
324 v3s16 p = i.getNode()->getKey();
326 MapBlock *block = NULL;
329 block = m_env.getMap().getBlockNoCreate(p);
330 block->stepObjects(dtime, false, m_env.getDayNightRatio());
332 catch(InvalidPositionException &e)
339 float &counter = m_avg_rtt_timer;
344 JMutexAutoLock lock(m_con_mutex);
345 // connectedAndInitialized() is true, peer exists.
346 con::Peer *peer = m_con.GetPeer(PEER_ID_SERVER);
347 dstream<<DTIME<<"Client: avg_rtt="<<peer->avg_rtt<<std::endl;
351 float &counter = m_playerpos_send_timer;
361 JMutexAutoLock lock(m_step_dtime_mutex);
362 m_step_dtime += dtime;
366 float Client::asyncStep()
368 DSTACK(__FUNCTION_NAME);
369 //dstream<<"Client::asyncStep()"<<std::endl;
373 JMutexAutoLock lock1(m_step_dtime_mutex);
374 if(m_step_dtime < 0.001)
376 dtime = m_step_dtime;
384 // Virtual methods from con::PeerHandler
385 void Client::peerAdded(con::Peer *peer)
387 derr_client<<"Client::peerAdded(): peer->id="
388 <<peer->id<<std::endl;
390 void Client::deletingPeer(con::Peer *peer, bool timeout)
392 derr_client<<"Client::deletingPeer(): "
393 "Server Peer is getting deleted "
394 <<"(timeout="<<timeout<<")"<<std::endl;
397 void Client::ReceiveAll()
399 DSTACK(__FUNCTION_NAME);
405 catch(con::NoIncomingDataException &e)
409 catch(con::InvalidIncomingDataException &e)
411 dout_client<<DTIME<<"Client::ReceiveAll(): "
412 "InvalidIncomingDataException: what()="
413 <<e.what()<<std::endl;
418 void Client::Receive()
420 DSTACK(__FUNCTION_NAME);
421 u32 data_maxsize = 10000;
422 Buffer<u8> data(data_maxsize);
426 //TimeTaker t1("con mutex and receive", m_device);
427 JMutexAutoLock lock(m_con_mutex);
428 datasize = m_con.Receive(sender_peer_id, *data, data_maxsize);
430 //TimeTaker t1("ProcessData", m_device);
431 ProcessData(*data, datasize, sender_peer_id);
435 sender_peer_id given to this shall be quaranteed to be a valid peer
437 void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
439 DSTACK(__FUNCTION_NAME);
441 // Ignore packets that don't even fit a command
444 m_packetcounter.add(60000);
448 ToClientCommand command = (ToClientCommand)readU16(&data[0]);
450 //dstream<<"Client: received command="<<command<<std::endl;
451 m_packetcounter.add((u16)command);
454 If this check is removed, be sure to change the queue
455 system to know the ids
457 if(sender_peer_id != PEER_ID_SERVER)
459 dout_client<<DTIME<<"Client::ProcessData(): Discarding data not "
460 "coming from server: peer_id="<<sender_peer_id
467 JMutexAutoLock lock(m_con_mutex);
468 // All data is coming from the server
469 // PeerNotFoundException is handled by caller.
470 peer = m_con.GetPeer(PEER_ID_SERVER);
473 u8 ser_version = m_server_ser_ver;
475 //dstream<<"Client received command="<<(int)command<<std::endl;
477 // Execute fast commands straight away
479 if(command == TOCLIENT_INIT)
484 u8 deployed = data[2];
486 dout_client<<DTIME<<"Client: TOCLIENT_INIT received with "
487 "deployed="<<((int)deployed&0xff)<<std::endl;
489 if(deployed < SER_FMT_VER_LOWEST
490 || deployed > SER_FMT_VER_HIGHEST)
492 derr_client<<DTIME<<"Client: TOCLIENT_INIT: Server sent "
493 <<"unsupported ser_fmt_ver"<<std::endl;
497 m_server_ser_ver = deployed;
499 // Get player position
500 v3s16 playerpos_s16(0, BS*2+BS*20, 0);
501 if(datasize >= 2+1+6)
502 playerpos_s16 = readV3S16(&data[2+1]);
503 v3f playerpos_f = intToFloat(playerpos_s16, BS) - v3f(0, BS/2, 0);
506 JMutexAutoLock envlock(m_env_mutex);
508 // Set player position
509 Player *player = m_env.getLocalPlayer();
510 assert(player != NULL);
511 player->setPosition(playerpos_f);
515 m_map_seed = readU64(&data[2+1+6]);
516 dstream<<"Client: received map seed: "<<m_map_seed<<std::endl;
520 SharedBuffer<u8> reply(replysize);
521 writeU16(&reply[0], TOSERVER_INIT2);
523 m_con.Send(PEER_ID_SERVER, 1, reply, true);
528 if(ser_version == SER_FMT_VER_INVALID)
530 dout_client<<DTIME<<"WARNING: Client: Server serialization"
531 " format invalid or not initialized."
532 " Skipping incoming command="<<command<<std::endl;
536 // Just here to avoid putting the two if's together when
537 // making some copypasta
540 if(command == TOCLIENT_REMOVENODE)
545 p.X = readS16(&data[2]);
546 p.Y = readS16(&data[4]);
547 p.Z = readS16(&data[6]);
549 //TimeTaker t1("TOCLIENT_REMOVENODE", g_device);
551 // This will clear the cracking animation after digging
552 ((ClientMap&)m_env.getMap()).clearTempMod(p);
556 else if(command == TOCLIENT_ADDNODE)
558 if(datasize < 8 + MapNode::serializedLength(ser_version))
562 p.X = readS16(&data[2]);
563 p.Y = readS16(&data[4]);
564 p.Z = readS16(&data[6]);
566 //TimeTaker t1("TOCLIENT_ADDNODE", g_device);
569 n.deSerialize(&data[8], ser_version);
573 else if(command == TOCLIENT_PLAYERPOS)
575 dstream<<"WARNING: Received deprecated TOCLIENT_PLAYERPOS"
579 JMutexAutoLock lock(m_con_mutex);
580 our_peer_id = m_con.GetPeerID();
582 // Cancel if we don't have a peer id
583 if(our_peer_id == PEER_ID_INEXISTENT){
584 dout_client<<DTIME<<"TOCLIENT_PLAYERPOS cancelled: "
591 JMutexAutoLock envlock(m_env_mutex);
593 u32 player_size = 2+12+12+4+4;
595 u32 player_count = (datasize-2) / player_size;
597 for(u32 i=0; i<player_count; i++)
599 u16 peer_id = readU16(&data[start]);
601 Player *player = m_env.getPlayer(peer_id);
603 // Skip if player doesn't exist
606 start += player_size;
610 // Skip if player is local player
611 if(player->isLocal())
613 start += player_size;
617 v3s32 ps = readV3S32(&data[start+2]);
618 v3s32 ss = readV3S32(&data[start+2+12]);
619 s32 pitch_i = readS32(&data[start+2+12+12]);
620 s32 yaw_i = readS32(&data[start+2+12+12+4]);
621 /*dstream<<"Client: got "
622 <<"pitch_i="<<pitch_i
623 <<" yaw_i="<<yaw_i<<std::endl;*/
624 f32 pitch = (f32)pitch_i / 100.0;
625 f32 yaw = (f32)yaw_i / 100.0;
626 v3f position((f32)ps.X/100., (f32)ps.Y/100., (f32)ps.Z/100.);
627 v3f speed((f32)ss.X/100., (f32)ss.Y/100., (f32)ss.Z/100.);
628 player->setPosition(position);
629 player->setSpeed(speed);
630 player->setPitch(pitch);
633 /*dstream<<"Client: player "<<peer_id
635 <<" yaw="<<yaw<<std::endl;*/
637 start += player_size;
641 else if(command == TOCLIENT_PLAYERINFO)
645 JMutexAutoLock lock(m_con_mutex);
646 our_peer_id = m_con.GetPeerID();
648 // Cancel if we don't have a peer id
649 if(our_peer_id == PEER_ID_INEXISTENT){
650 dout_client<<DTIME<<"TOCLIENT_PLAYERINFO cancelled: "
656 //dstream<<DTIME<<"Client: Server reports players:"<<std::endl;
659 JMutexAutoLock envlock(m_env_mutex);
661 u32 item_size = 2+PLAYERNAME_SIZE;
662 u32 player_count = (datasize-2) / item_size;
665 core::list<u16> players_alive;
666 for(u32 i=0; i<player_count; i++)
668 // Make sure the name ends in '\0'
669 data[start+2+20-1] = 0;
671 u16 peer_id = readU16(&data[start]);
673 players_alive.push_back(peer_id);
675 /*dstream<<DTIME<<"peer_id="<<peer_id
676 <<" name="<<((char*)&data[start+2])<<std::endl;*/
678 // Don't update the info of the local player
679 if(peer_id == our_peer_id)
685 Player *player = m_env.getPlayer(peer_id);
687 // Create a player if it doesn't exist
690 player = new RemotePlayer(
691 m_device->getSceneManager()->getRootSceneNode(),
694 player->peer_id = peer_id;
695 m_env.addPlayer(player);
696 dout_client<<DTIME<<"Client: Adding new player "
697 <<peer_id<<std::endl;
700 player->updateName((char*)&data[start+2]);
706 Remove those players from the environment that
707 weren't listed by the server.
709 //dstream<<DTIME<<"Removing dead players"<<std::endl;
710 core::list<Player*> players = m_env.getPlayers();
711 core::list<Player*>::Iterator ip;
712 for(ip=players.begin(); ip!=players.end(); ip++)
714 // Ingore local player
718 // Warn about a special case
719 if((*ip)->peer_id == 0)
721 dstream<<DTIME<<"WARNING: Client: Removing "
722 "dead player with id=0"<<std::endl;
725 bool is_alive = false;
726 core::list<u16>::Iterator i;
727 for(i=players_alive.begin(); i!=players_alive.end(); i++)
729 if((*ip)->peer_id == *i)
735 /*dstream<<DTIME<<"peer_id="<<((*ip)->peer_id)
736 <<" is_alive="<<is_alive<<std::endl;*/
739 dstream<<DTIME<<"Removing dead player "<<(*ip)->peer_id
741 m_env.removePlayer((*ip)->peer_id);
745 else if(command == TOCLIENT_SECTORMETA)
750 [3...] v2s16 pos + sector metadata
755 //dstream<<"Client received TOCLIENT_SECTORMETA"<<std::endl;
758 JMutexAutoLock envlock(m_env_mutex);
760 std::string datastring((char*)&data[2], datasize-2);
761 std::istringstream is(datastring, std::ios_base::binary);
765 is.read((char*)buf, 1);
766 u16 sector_count = readU8(buf);
768 //dstream<<"sector_count="<<sector_count<<std::endl;
770 for(u16 i=0; i<sector_count; i++)
773 is.read((char*)buf, 4);
774 v2s16 pos = readV2S16(buf);
775 /*dstream<<"Client: deserializing sector at "
776 <<"("<<pos.X<<","<<pos.Y<<")"<<std::endl;*/
778 assert(m_env.getMap().mapType() == MAPTYPE_CLIENT);
779 ((ClientMap&)m_env.getMap()).deSerializeSector(pos, is);
783 else if(command == TOCLIENT_INVENTORY)
788 //TimeTaker t1("Parsing TOCLIENT_INVENTORY", m_device);
791 //TimeTaker t2("mutex locking", m_device);
792 JMutexAutoLock envlock(m_env_mutex);
795 //TimeTaker t3("istringstream init", m_device);
796 std::string datastring((char*)&data[2], datasize-2);
797 std::istringstream is(datastring, std::ios_base::binary);
800 //m_env.printPlayers(dstream);
802 //TimeTaker t4("player get", m_device);
803 Player *player = m_env.getLocalPlayer();
804 assert(player != NULL);
807 //TimeTaker t1("inventory.deSerialize()", m_device);
808 player->inventory.deSerialize(is);
811 m_inventory_updated = true;
813 //dstream<<"Client got player inventory:"<<std::endl;
814 //player->inventory.print(dstream);
818 else if(command == TOCLIENT_OBJECTDATA)
821 // Strip command word and create a stringstream
822 std::string datastring((char*)&data[2], datasize-2);
823 std::istringstream is(datastring, std::ios_base::binary);
827 JMutexAutoLock envlock(m_env_mutex);
835 is.read((char*)buf, 2);
836 u16 playercount = readU16(buf);
838 for(u16 i=0; i<playercount; i++)
840 is.read((char*)buf, 2);
841 u16 peer_id = readU16(buf);
842 is.read((char*)buf, 12);
843 v3s32 p_i = readV3S32(buf);
844 is.read((char*)buf, 12);
845 v3s32 s_i = readV3S32(buf);
846 is.read((char*)buf, 4);
847 s32 pitch_i = readS32(buf);
848 is.read((char*)buf, 4);
849 s32 yaw_i = readS32(buf);
851 Player *player = m_env.getPlayer(peer_id);
853 // Skip if player doesn't exist
859 // Skip if player is local player
860 if(player->isLocal())
865 f32 pitch = (f32)pitch_i / 100.0;
866 f32 yaw = (f32)yaw_i / 100.0;
867 v3f position((f32)p_i.X/100., (f32)p_i.Y/100., (f32)p_i.Z/100.);
868 v3f speed((f32)s_i.X/100., (f32)s_i.Y/100., (f32)s_i.Z/100.);
870 player->setPosition(position);
871 player->setSpeed(speed);
872 player->setPitch(pitch);
880 // Read active block count
881 is.read((char*)buf, 2);
882 u16 blockcount = readU16(buf);
884 // Initialize delete queue with all active blocks
885 core::map<v3s16, bool> abs_to_delete;
886 for(core::map<v3s16, bool>::Iterator
887 i = m_active_blocks.getIterator();
888 i.atEnd() == false; i++)
890 v3s16 p = i.getNode()->getKey();
892 <<"("<<p.x<<","<<p.y<<","<<p.z<<") "
893 <<" to abs_to_delete"
895 abs_to_delete.insert(p, true);
898 /*dstream<<"Initial delete queue size: "<<abs_to_delete.size()
901 for(u16 i=0; i<blockcount; i++)
904 is.read((char*)buf, 6);
905 v3s16 p = readV3S16(buf);
906 // Get block from somewhere
907 MapBlock *block = NULL;
909 block = m_env.getMap().getBlockNoCreate(p);
911 catch(InvalidPositionException &e)
913 //TODO: Create a dummy block?
918 <<"Could not get block at blockpos "
919 <<"("<<p.X<<","<<p.Y<<","<<p.Z<<") "
920 <<"in TOCLIENT_OBJECTDATA. Ignoring "
921 <<"following block object data."
926 /*dstream<<"Client updating objects for block "
927 <<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"
930 // Insert to active block list
931 m_active_blocks.insert(p, true);
933 // Remove from deletion queue
934 if(abs_to_delete.find(p) != NULL)
935 abs_to_delete.remove(p);
938 Update objects of block
940 NOTE: Be sure this is done in the main thread.
942 block->updateObjects(is, m_server_ser_ver,
943 m_device->getSceneManager(), m_env.getDayNightRatio());
946 /*dstream<<"Final delete queue size: "<<abs_to_delete.size()
949 // Delete objects of blocks in delete queue
950 for(core::map<v3s16, bool>::Iterator
951 i = abs_to_delete.getIterator();
952 i.atEnd() == false; i++)
954 v3s16 p = i.getNode()->getKey();
957 MapBlock *block = m_env.getMap().getBlockNoCreate(p);
960 block->clearObjects();
961 // Remove from active blocks list
962 m_active_blocks.remove(p);
964 catch(InvalidPositionException &e)
966 dstream<<"WARNAING: Client: "
967 <<"Couldn't clear objects of active->inactive"
969 <<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"
970 <<" because block was not found"
978 else if(command == TOCLIENT_TIME_OF_DAY)
983 u16 time = readU16(&data[2]);
985 m_time_of_day.set(time);
986 //dstream<<"Client: time="<<time<<std::endl;
996 u32 dr = time_to_daynight_ratio(m_time_of_day.get());
998 dstream<<"Client: time_of_day="<<m_time_of_day.get()
1002 if(dr != m_env.getDayNightRatio())
1004 dout_client<<DTIME<<"Client: changing day-night ratio"<<std::endl;
1005 m_env.setDayNightRatio(dr);
1006 m_env.expireMeshes(true);
1011 else if(command == TOCLIENT_CHAT_MESSAGE)
1019 std::string datastring((char*)&data[2], datasize-2);
1020 std::istringstream is(datastring, std::ios_base::binary);
1023 is.read((char*)buf, 2);
1024 u16 len = readU16(buf);
1026 std::wstring message;
1027 for(u16 i=0; i<len; i++)
1029 is.read((char*)buf, 2);
1030 message += (wchar_t)readU16(buf);
1033 /*dstream<<"Client received chat message: "
1034 <<wide_to_narrow(message)<<std::endl;*/
1036 m_chat_queue.push_back(message);
1038 else if(command == TOCLIENT_ACTIVE_OBJECT_REMOVE_ADD)
1042 u16 count of removed objects
1043 for all removed objects {
1046 u16 count of added objects
1047 for all added objects {
1050 u16 initialization data length
1051 string initialization data
1056 // Get all data except the command number
1057 std::string datastring((char*)&data[2], datasize-2);
1058 // Throw them in an istringstream
1059 std::istringstream is(datastring, std::ios_base::binary);
1063 // Read removed objects
1065 u16 removed_count = readU16((u8*)buf);
1066 for(u16 i=0; i<removed_count; i++)
1069 u16 id = readU16((u8*)buf);
1072 JMutexAutoLock envlock(m_env_mutex);
1073 m_env.removeActiveObject(id);
1077 // Read added objects
1079 u16 added_count = readU16((u8*)buf);
1080 for(u16 i=0; i<added_count; i++)
1083 u16 id = readU16((u8*)buf);
1085 u8 type = readU8((u8*)buf);
1086 std::string data = deSerializeLongString(is);
1089 JMutexAutoLock envlock(m_env_mutex);
1090 m_env.addActiveObject(id, type, data);
1094 else if(command == TOCLIENT_ACTIVE_OBJECT_MESSAGES)
1106 // Get all data except the command number
1107 std::string datastring((char*)&data[2], datasize-2);
1108 // Throw them in an istringstream
1109 std::istringstream is(datastring, std::ios_base::binary);
1111 while(is.eof() == false)
1115 u16 id = readU16((u8*)buf);
1119 u16 message_size = readU16((u8*)buf);
1120 std::string message;
1121 message.reserve(message_size);
1122 for(u16 i=0; i<message_size; i++)
1125 message.append(buf, 1);
1127 // Pass on to the environment
1129 JMutexAutoLock envlock(m_env_mutex);
1130 m_env.processActiveObjectMessage(id, message);
1134 // Default to queueing it (for slow commands)
1137 JMutexAutoLock lock(m_incoming_queue_mutex);
1139 IncomingPacket packet(data, datasize);
1140 m_incoming_queue.push_back(packet);
1145 Returns true if there was something in queue
1147 bool Client::AsyncProcessPacket()
1149 DSTACK(__FUNCTION_NAME);
1151 try //for catching con::PeerNotFoundException
1156 JMutexAutoLock lock(m_con_mutex);
1157 // All data is coming from the server
1158 peer = m_con.GetPeer(PEER_ID_SERVER);
1161 u8 ser_version = m_server_ser_ver;
1163 IncomingPacket packet = getPacket();
1164 u8 *data = packet.m_data;
1165 u32 datasize = packet.m_datalen;
1167 // An empty packet means queue is empty
1175 ToClientCommand command = (ToClientCommand)readU16(&data[0]);
1177 if(command == TOCLIENT_BLOCKDATA)
1179 // Ignore too small packet
1182 /*if(datasize < 8 + MapBlock::serializedLength(ser_version))
1186 p.X = readS16(&data[2]);
1187 p.Y = readS16(&data[4]);
1188 p.Z = readS16(&data[6]);
1190 /*dout_client<<DTIME<<"Client: Thread: BLOCKDATA for ("
1191 <<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
1193 /*dstream<<DTIME<<"Client: Thread: BLOCKDATA for ("
1194 <<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
1196 std::string datastring((char*)&data[8], datasize-8);
1197 std::istringstream istr(datastring, std::ios_base::binary);
1203 JMutexAutoLock envlock(m_env_mutex);
1205 v2s16 p2d(p.X, p.Z);
1206 sector = m_env.getMap().emergeSector(p2d);
1208 v2s16 sp = sector->getPos();
1211 dstream<<"ERROR: Got sector with getPos()="
1212 <<"("<<sp.X<<","<<sp.Y<<"), tried to get"
1213 <<"("<<p2d.X<<","<<p2d.Y<<")"<<std::endl;
1217 //assert(sector->getPos() == p2d);
1220 block = sector->getBlockNoCreate(p.Y);
1222 Update an existing block
1224 //dstream<<"Updating"<<std::endl;
1225 block->deSerialize(istr, ser_version);
1226 //block->setChangedFlag();
1228 catch(InvalidPositionException &e)
1233 //dstream<<"Creating new"<<std::endl;
1234 block = new MapBlock(&m_env.getMap(), p);
1235 block->deSerialize(istr, ser_version);
1236 sector->insertBlock(block);
1237 //block->setChangedFlag();
1241 mod.type = NODEMOD_CHANGECONTENT;
1242 mod.param = CONTENT_MESE;
1243 block->setTempMod(v3s16(8,10,8), mod);
1244 block->setTempMod(v3s16(8,9,8), mod);
1245 block->setTempMod(v3s16(8,8,8), mod);
1246 block->setTempMod(v3s16(8,7,8), mod);
1247 block->setTempMod(v3s16(8,6,8), mod);*/
1251 Well, this is a dumb way to do it, they should just
1252 be drawn as separate objects.
1257 mod.type = NODEMOD_CHANGECONTENT;
1258 mod.param = CONTENT_CLOUD;
1261 for(p2.X=3; p2.X<=13; p2.X++)
1262 for(p2.Z=3; p2.Z<=13; p2.Z++)
1264 block->setTempMod(p2, mod);
1280 u32 replysize = 2+1+6;
1281 SharedBuffer<u8> reply(replysize);
1282 writeU16(&reply[0], TOSERVER_GOTBLOCKS);
1284 writeV3S16(&reply[3], p);
1286 m_con.Send(PEER_ID_SERVER, 1, reply, true);
1289 Update Mesh of this block and blocks at x-, y- and z-.
1290 Environment should not be locked as it interlocks with the
1291 main thread, from which is will want to retrieve textures.
1294 m_env.getClientMap().updateMeshes(block->getPos(), getDayNightRatio());
1298 dout_client<<DTIME<<"WARNING: Client: Ignoring unknown command "
1299 <<command<<std::endl;
1305 catch(con::PeerNotFoundException &e)
1307 /*dout_client<<DTIME<<"Client::AsyncProcessData(): Cancelling: The server"
1308 " connection doesn't exist (a timeout or not yet connected?)"<<std::endl;*/
1313 bool Client::AsyncProcessData()
1317 bool r = AsyncProcessPacket();
1324 void Client::Send(u16 channelnum, SharedBuffer<u8> data, bool reliable)
1326 JMutexAutoLock lock(m_con_mutex);
1327 m_con.Send(PEER_ID_SERVER, channelnum, data, reliable);
1330 IncomingPacket Client::getPacket()
1332 JMutexAutoLock lock(m_incoming_queue_mutex);
1334 core::list<IncomingPacket>::Iterator i;
1335 // Refer to first one
1336 i = m_incoming_queue.begin();
1338 // If queue is empty, return empty packet
1339 if(i == m_incoming_queue.end()){
1340 IncomingPacket packet;
1344 // Pop out first packet and return it
1345 IncomingPacket packet = *i;
1346 m_incoming_queue.erase(i);
1350 void Client::groundAction(u8 action, v3s16 nodepos_undersurface,
1351 v3s16 nodepos_oversurface, u16 item)
1353 if(connectedAndInitialized() == false){
1354 dout_client<<DTIME<<"Client::groundAction() "
1355 "cancelled (not connected)"
1364 [3] v3s16 nodepos_undersurface
1365 [9] v3s16 nodepos_abovesurface
1370 2: stop digging (all parameters ignored)
1371 3: digging completed
1373 u8 datasize = 2 + 1 + 6 + 6 + 2;
1374 SharedBuffer<u8> data(datasize);
1375 writeU16(&data[0], TOSERVER_GROUND_ACTION);
1376 writeU8(&data[2], action);
1377 writeV3S16(&data[3], nodepos_undersurface);
1378 writeV3S16(&data[9], nodepos_oversurface);
1379 writeU16(&data[15], item);
1380 Send(0, data, true);
1383 void Client::clickObject(u8 button, v3s16 blockpos, s16 id, u16 item)
1385 if(connectedAndInitialized() == false){
1386 dout_client<<DTIME<<"Client::clickObject() "
1387 "cancelled (not connected)"
1393 [0] u16 command=TOSERVER_CLICK_OBJECT
1394 [2] u8 button (0=left, 1=right)
1399 u8 datasize = 2 + 1 + 6 + 2 + 2;
1400 SharedBuffer<u8> data(datasize);
1401 writeU16(&data[0], TOSERVER_CLICK_OBJECT);
1402 writeU8(&data[2], button);
1403 writeV3S16(&data[3], blockpos);
1404 writeS16(&data[9], id);
1405 writeU16(&data[11], item);
1406 Send(0, data, true);
1409 void Client::sendSignText(v3s16 blockpos, s16 id, std::string text)
1418 std::ostringstream os(std::ios_base::binary);
1422 writeU16(buf, TOSERVER_SIGNTEXT);
1423 os.write((char*)buf, 2);
1426 writeV3S16(buf, blockpos);
1427 os.write((char*)buf, 6);
1431 os.write((char*)buf, 2);
1433 u16 textlen = text.size();
1434 // Write text length
1435 writeS16(buf, textlen);
1436 os.write((char*)buf, 2);
1439 os.write((char*)text.c_str(), textlen);
1442 std::string s = os.str();
1443 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
1445 Send(0, data, true);
1448 void Client::sendInventoryAction(InventoryAction *a)
1450 std::ostringstream os(std::ios_base::binary);
1454 writeU16(buf, TOSERVER_INVENTORY_ACTION);
1455 os.write((char*)buf, 2);
1460 std::string s = os.str();
1461 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
1463 Send(0, data, true);
1466 void Client::sendChatMessage(const std::wstring &message)
1468 std::ostringstream os(std::ios_base::binary);
1472 writeU16(buf, TOSERVER_CHAT_MESSAGE);
1473 os.write((char*)buf, 2);
1476 writeU16(buf, message.size());
1477 os.write((char*)buf, 2);
1480 for(u32 i=0; i<message.size(); i++)
1484 os.write((char*)buf, 2);
1488 std::string s = os.str();
1489 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
1491 Send(0, data, true);
1494 void Client::sendPlayerPos()
1496 JMutexAutoLock envlock(m_env_mutex);
1498 Player *myplayer = m_env.getLocalPlayer();
1499 if(myplayer == NULL)
1504 JMutexAutoLock lock(m_con_mutex);
1505 our_peer_id = m_con.GetPeerID();
1508 // Set peer id if not set already
1509 if(myplayer->peer_id == PEER_ID_INEXISTENT)
1510 myplayer->peer_id = our_peer_id;
1511 // Check that an existing peer_id is the same as the connection's
1512 assert(myplayer->peer_id == our_peer_id);
1514 v3f pf = myplayer->getPosition();
1515 v3s32 position(pf.X*100, pf.Y*100, pf.Z*100);
1516 v3f sf = myplayer->getSpeed();
1517 v3s32 speed(sf.X*100, sf.Y*100, sf.Z*100);
1518 s32 pitch = myplayer->getPitch() * 100;
1519 s32 yaw = myplayer->getYaw() * 100;
1524 [2] v3s32 position*100
1525 [2+12] v3s32 speed*100
1526 [2+12+12] s32 pitch*100
1527 [2+12+12+4] s32 yaw*100
1530 SharedBuffer<u8> data(2+12+12+4+4);
1531 writeU16(&data[0], TOSERVER_PLAYERPOS);
1532 writeV3S32(&data[2], position);
1533 writeV3S32(&data[2+12], speed);
1534 writeS32(&data[2+12+12], pitch);
1535 writeS32(&data[2+12+12+4], yaw);
1537 // Send as unreliable
1538 Send(0, data, false);
1541 void Client::removeNode(v3s16 p)
1543 JMutexAutoLock envlock(m_env_mutex);
1545 core::map<v3s16, MapBlock*> modified_blocks;
1549 //TimeTaker t("removeNodeAndUpdate", m_device);
1550 m_env.getMap().removeNodeAndUpdate(p, modified_blocks);
1552 catch(InvalidPositionException &e)
1556 for(core::map<v3s16, MapBlock * >::Iterator
1557 i = modified_blocks.getIterator();
1558 i.atEnd() == false; i++)
1560 v3s16 p = i.getNode()->getKey();
1561 m_env.getClientMap().updateMeshes(p, m_env.getDayNightRatio());
1565 void Client::addNode(v3s16 p, MapNode n)
1567 JMutexAutoLock envlock(m_env_mutex);
1569 TimeTaker timer1("Client::addNode()");
1571 core::map<v3s16, MapBlock*> modified_blocks;
1575 TimeTaker timer3("Client::addNode(): addNodeAndUpdate");
1576 m_env.getMap().addNodeAndUpdate(p, n, modified_blocks);
1578 catch(InvalidPositionException &e)
1581 TimeTaker timer2("Client::addNode(): updateMeshes");
1583 for(core::map<v3s16, MapBlock * >::Iterator
1584 i = modified_blocks.getIterator();
1585 i.atEnd() == false; i++)
1587 v3s16 p = i.getNode()->getKey();
1588 m_env.getClientMap().updateMeshes(p, m_env.getDayNightRatio());
1592 void Client::updateCamera(v3f pos, v3f dir)
1594 m_env.getClientMap().updateCamera(pos, dir);
1595 camera_position = pos;
1596 camera_direction = dir;
1599 MapNode Client::getNode(v3s16 p)
1601 JMutexAutoLock envlock(m_env_mutex);
1602 return m_env.getMap().getNode(p);
1605 v3f Client::getPlayerPosition()
1607 JMutexAutoLock envlock(m_env_mutex);
1608 LocalPlayer *player = m_env.getLocalPlayer();
1609 assert(player != NULL);
1610 return player->getPosition();
1613 void Client::setPlayerControl(PlayerControl &control)
1615 JMutexAutoLock envlock(m_env_mutex);
1616 LocalPlayer *player = m_env.getLocalPlayer();
1617 assert(player != NULL);
1618 player->control = control;
1621 // Returns true if the inventory of the local player has been
1622 // updated from the server. If it is true, it is set to false.
1623 bool Client::getLocalInventoryUpdated()
1625 // m_inventory_updated is behind envlock
1626 JMutexAutoLock envlock(m_env_mutex);
1627 bool updated = m_inventory_updated;
1628 m_inventory_updated = false;
1632 // Copies the inventory of the local player to parameter
1633 void Client::getLocalInventory(Inventory &dst)
1635 JMutexAutoLock envlock(m_env_mutex);
1636 Player *player = m_env.getLocalPlayer();
1637 assert(player != NULL);
1638 dst = player->inventory;
1641 MapBlockObject * Client::getSelectedObject(
1643 v3f from_pos_f_on_map,
1644 core::line3d<f32> shootline_on_map
1647 JMutexAutoLock envlock(m_env_mutex);
1649 core::array<DistanceSortedObject> objects;
1651 for(core::map<v3s16, bool>::Iterator
1652 i = m_active_blocks.getIterator();
1653 i.atEnd() == false; i++)
1655 v3s16 p = i.getNode()->getKey();
1657 MapBlock *block = NULL;
1660 block = m_env.getMap().getBlockNoCreate(p);
1662 catch(InvalidPositionException &e)
1667 // Calculate from_pos relative to block
1668 v3s16 block_pos_i_on_map = block->getPosRelative();
1669 v3f block_pos_f_on_map = intToFloat(block_pos_i_on_map, BS);
1670 v3f from_pos_f_on_block = from_pos_f_on_map - block_pos_f_on_map;
1672 block->getObjects(from_pos_f_on_block, max_d, objects);
1673 //block->getPseudoObjects(from_pos_f_on_block, max_d, objects);
1676 //dstream<<"Collected "<<objects.size()<<" nearby objects"<<std::endl;
1679 // After this, the closest object is the first in the array.
1682 for(u32 i=0; i<objects.size(); i++)
1684 MapBlockObject *obj = objects[i].obj;
1685 MapBlock *block = obj->getBlock();
1687 // Calculate shootline relative to block
1688 v3s16 block_pos_i_on_map = block->getPosRelative();
1689 v3f block_pos_f_on_map = intToFloat(block_pos_i_on_map, BS);
1690 core::line3d<f32> shootline_on_block(
1691 shootline_on_map.start - block_pos_f_on_map,
1692 shootline_on_map.end - block_pos_f_on_map
1695 if(obj->isSelected(shootline_on_block))
1697 //dstream<<"Returning selected object"<<std::endl;
1702 //dstream<<"No object selected; returning NULL."<<std::endl;
1706 void Client::printDebugInfo(std::ostream &os)
1708 //JMutexAutoLock lock1(m_fetchblock_mutex);
1709 JMutexAutoLock lock2(m_incoming_queue_mutex);
1711 os<<"m_incoming_queue.getSize()="<<m_incoming_queue.getSize()
1712 //<<", m_fetchblock_history.size()="<<m_fetchblock_history.size()
1713 //<<", m_opt_not_found_history.size()="<<m_opt_not_found_history.size()
1717 /*s32 Client::getDayNightIndex()
1719 assert(m_daynight_i >= 0 && m_daynight_i < DAYNIGHT_CACHE_COUNT);
1720 return m_daynight_i;
1723 u32 Client::getDayNightRatio()
1725 JMutexAutoLock envlock(m_env_mutex);
1726 return m_env.getDayNightRatio();
1729 /*void Client::updateSomeExpiredMeshes()
1731 TimeTaker timer("updateSomeExpiredMeshes()", g_device);
1735 JMutexAutoLock envlock(m_env_mutex);
1736 player = m_env.getLocalPlayer();
1739 u32 daynight_ratio = getDayNightRatio();
1741 v3f playerpos = player->getPosition();
1742 v3f playerspeed = player->getSpeed();
1744 v3s16 center_nodepos = floatToInt(playerpos, BS);
1745 v3s16 center = getNodeBlockPos(center_nodepos);
1751 for(s16 d = 0; d <= d_max; d++)
1753 core::list<v3s16> list;
1754 getFacePositions(list, d);
1756 core::list<v3s16>::Iterator li;
1757 for(li=list.begin(); li!=list.end(); li++)
1759 v3s16 p = *li + center;
1760 MapBlock *block = NULL;
1763 //JMutexAutoLock envlock(m_env_mutex);
1764 block = m_env.getMap().getBlockNoCreate(p);
1766 catch(InvalidPositionException &e)
1773 if(block->getMeshExpired() == false)
1776 block->updateMesh(daynight_ratio);