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"
25 #include "jmutexautolock.h"
27 #include "constants.h"
29 #include "materials.h"
32 #define BLOCK_EMERGE_FLAG_FROMDISK (1<<0)
34 void * ServerThread::Thread()
38 DSTACK(__FUNCTION_NAME);
40 BEGIN_DEBUG_EXCEPTION_HANDLER
45 //TimeTaker timer("AsyncRunStep() + Receive()");
48 //TimeTaker timer("AsyncRunStep()");
49 m_server->AsyncRunStep();
52 //dout_server<<"Running m_server->Receive()"<<std::endl;
55 catch(con::NoIncomingDataException &e)
58 catch(con::PeerNotFoundException &e)
60 dout_server<<"Server: PeerNotFoundException"<<std::endl;
64 END_DEBUG_EXCEPTION_HANDLER
69 void * EmergeThread::Thread()
73 DSTACK(__FUNCTION_NAME);
77 BEGIN_DEBUG_EXCEPTION_HANDLER
80 Get block info from queue, emerge them and send them
83 After queue is empty, exit.
87 QueuedBlockEmerge *qptr = m_server->m_emerge_queue.pop();
91 SharedPtr<QueuedBlockEmerge> q(qptr);
97 Do not generate over-limit
99 if(p.X < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
100 || p.X > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
101 || p.Y < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
102 || p.Y > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
103 || p.Z < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
104 || p.Z > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE)
107 //derr_server<<"EmergeThread::Thread(): running"<<std::endl;
109 //TimeTaker timer("block emerge");
112 Try to emerge it from somewhere.
114 If it is only wanted as optional, only loading from disk
119 Check if any peer wants it as non-optional. In that case it
122 Also decrement the emerge queue count in clients.
125 bool optional = true;
128 core::map<u16, u8>::Iterator i;
129 for(i=q->peer_ids.getIterator(); i.atEnd()==false; i++)
131 //u16 peer_id = i.getNode()->getKey();
134 u8 flags = i.getNode()->getValue();
135 if((flags & BLOCK_EMERGE_FLAG_FROMDISK) == false)
141 /*dstream<<"EmergeThread: p="
142 <<"("<<p.X<<","<<p.Y<<","<<p.Z<<") "
143 <<"optional="<<optional<<std::endl;*/
145 ServerMap &map = ((ServerMap&)m_server->m_env.getMap());
147 core::map<v3s16, MapBlock*> changed_blocks;
148 core::map<v3s16, MapBlock*> lighting_invalidated_blocks;
150 MapBlock *block = NULL;
151 bool got_block = true;
152 core::map<v3s16, MapBlock*> modified_blocks;
154 bool only_from_disk = false;
157 only_from_disk = true;
159 v2s16 chunkpos = map.sector_to_chunk(p2d);
161 bool generate_chunk = false;
162 if(only_from_disk == false)
164 JMutexAutoLock envlock(m_server->m_env_mutex);
165 if(map.chunkNonVolatile(chunkpos) == false)
166 generate_chunk = true;
173 JMutexAutoLock envlock(m_server->m_env_mutex);
174 map.initChunkMake(data, chunkpos);
180 JMutexAutoLock envlock(m_server->m_env_mutex);
181 map.finishChunkMake(data, changed_blocks);
186 Fetch block from map or generate a single block
189 JMutexAutoLock envlock(m_server->m_env_mutex);
191 // Load sector if it isn't loaded
192 if(map.getSectorNoGenerateNoEx(p2d) == NULL)
193 map.loadSectorFull(p2d);
195 block = map.getBlockNoCreateNoEx(p);
196 if(!block || block->isDummy())
204 // Get, load or create sector
205 ServerMapSector *sector =
206 (ServerMapSector*)map.createSector(p2d);
208 block = map.generateBlock(p, block, sector, changed_blocks,
209 lighting_invalidated_blocks);
216 if(block->getLightingExpired()){
217 lighting_invalidated_blocks[block->getPos()] = block;
221 // TODO: Some additional checking and lighting updating,
226 JMutexAutoLock envlock(m_server->m_env_mutex);
231 Collect a list of blocks that have been modified in
232 addition to the fetched one.
235 if(lighting_invalidated_blocks.size() > 0)
237 /*dstream<<"lighting "<<lighting_invalidated_blocks.size()
238 <<" blocks"<<std::endl;*/
240 // 50-100ms for single block generation
241 //TimeTaker timer("** EmergeThread updateLighting");
243 // Update lighting without locking the environment mutex,
244 // add modified blocks to changed blocks
245 map.updateLighting(lighting_invalidated_blocks, modified_blocks);
248 // Add all from changed_blocks to modified_blocks
249 for(core::map<v3s16, MapBlock*>::Iterator i = changed_blocks.getIterator();
250 i.atEnd() == false; i++)
252 MapBlock *block = i.getNode()->getValue();
253 modified_blocks.insert(block->getPos(), block);
256 // If we got no block, there should be no invalidated blocks
259 assert(lighting_invalidated_blocks.size() == 0);
265 Set sent status of modified blocks on clients
268 // NOTE: Server's clients are also behind the connection mutex
269 JMutexAutoLock lock(m_server->m_con_mutex);
272 Add the originally fetched block to the modified list
276 modified_blocks.insert(p, block);
280 Set the modified blocks unsent for all the clients
283 for(core::map<u16, RemoteClient*>::Iterator
284 i = m_server->m_clients.getIterator();
285 i.atEnd() == false; i++)
287 RemoteClient *client = i.getNode()->getValue();
289 if(modified_blocks.size() > 0)
291 // Remove block from sent history
292 client->SetBlocksNotSent(modified_blocks);
298 END_DEBUG_EXCEPTION_HANDLER
303 void RemoteClient::GetNextBlocks(Server *server, float dtime,
304 core::array<PrioritySortedBlockTransfer> &dest)
306 DSTACK(__FUNCTION_NAME);
309 m_nearest_unsent_reset_timer += dtime;
311 // Won't send anything if already sending
312 if(m_blocks_sending.size() >= g_settings.getU16
313 ("max_simultaneous_block_sends_per_client"))
315 //dstream<<"Not sending any blocks, Queue full."<<std::endl;
319 Player *player = server->m_env.getPlayer(peer_id);
321 assert(player != NULL);
323 v3f playerpos = player->getPosition();
324 v3f playerspeed = player->getSpeed();
326 v3s16 center_nodepos = floatToInt(playerpos, BS);
328 v3s16 center = getNodeBlockPos(center_nodepos);
330 // Camera position and direction
332 playerpos + v3f(0, BS+BS/2, 0);
333 v3f camera_dir = v3f(0,0,1);
334 camera_dir.rotateYZBy(player->getPitch());
335 camera_dir.rotateXZBy(player->getYaw());
338 Get the starting value of the block finder radius.
340 s16 last_nearest_unsent_d;
343 if(m_last_center != center)
345 m_nearest_unsent_d = 0;
346 m_last_center = center;
349 /*dstream<<"m_nearest_unsent_reset_timer="
350 <<m_nearest_unsent_reset_timer<<std::endl;*/
351 if(m_nearest_unsent_reset_timer > 5.0)
353 m_nearest_unsent_reset_timer = 0;
354 m_nearest_unsent_d = 0;
355 //dstream<<"Resetting m_nearest_unsent_d"<<std::endl;
358 last_nearest_unsent_d = m_nearest_unsent_d;
360 d_start = m_nearest_unsent_d;
362 u16 maximum_simultaneous_block_sends_setting = g_settings.getU16
363 ("max_simultaneous_block_sends_per_client");
364 u16 maximum_simultaneous_block_sends =
365 maximum_simultaneous_block_sends_setting;
368 Check the time from last addNode/removeNode.
370 Decrease send rate if player is building stuff.
372 m_time_from_building += dtime;
373 if(m_time_from_building < g_settings.getFloat(
374 "full_block_send_enable_min_time_from_building"))
376 maximum_simultaneous_block_sends
377 = LIMITED_MAX_SIMULTANEOUS_BLOCK_SENDS;
380 u32 num_blocks_selected = m_blocks_sending.size();
383 next time d will be continued from the d from which the nearest
384 unsent block was found this time.
386 This is because not necessarily any of the blocks found this
387 time are actually sent.
389 s32 new_nearest_unsent_d = -1;
391 s16 d_max = g_settings.getS16("max_block_send_distance");
392 s16 d_max_gen = g_settings.getS16("max_block_generate_distance");
394 //dstream<<"Starting from "<<d_start<<std::endl;
396 for(s16 d = d_start; d <= d_max; d++)
398 //dstream<<"RemoteClient::SendBlocks(): d="<<d<<std::endl;
401 If m_nearest_unsent_d was changed by the EmergeThread
402 (it can change it to 0 through SetBlockNotSent),
404 Else update m_nearest_unsent_d
406 if(m_nearest_unsent_d != last_nearest_unsent_d)
408 d = m_nearest_unsent_d;
409 last_nearest_unsent_d = m_nearest_unsent_d;
413 Get the border/face dot coordinates of a "d-radiused"
416 core::list<v3s16> list;
417 getFacePositions(list, d);
419 core::list<v3s16>::Iterator li;
420 for(li=list.begin(); li!=list.end(); li++)
422 v3s16 p = *li + center;
426 - Don't allow too many simultaneous transfers
427 - EXCEPT when the blocks are very close
429 Also, don't send blocks that are already flying.
432 u16 maximum_simultaneous_block_sends_now =
433 maximum_simultaneous_block_sends;
435 if(d <= BLOCK_SEND_DISABLE_LIMITS_MAX_D)
437 maximum_simultaneous_block_sends_now =
438 maximum_simultaneous_block_sends_setting;
441 // Limit is dynamically lowered when building
442 if(num_blocks_selected
443 >= maximum_simultaneous_block_sends_now)
445 /*dstream<<"Not sending more blocks. Queue full. "
446 <<m_blocks_sending.size()
451 if(m_blocks_sending.find(p) != NULL)
457 if(p.X < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
458 || p.X > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
459 || p.Y < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
460 || p.Y > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
461 || p.Z < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
462 || p.Z > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE)
465 // If this is true, inexistent block will be made from scratch
466 bool generate = d <= d_max_gen;
469 /*// Limit the generating area vertically to 2/3
470 if(abs(p.Y - center.Y) > d_max_gen - d_max_gen / 3)
473 // Limit the send area vertically to 2/3
474 if(abs(p.Y - center.Y) > d_max_gen - d_max_gen / 3)
480 If block is far away, don't generate it unless it is
483 NOTE: We can't know the ground level this way with the
489 MapSector *sector = NULL;
492 sector = server->m_env.getMap().getSectorNoGenerate(p2d);
494 catch(InvalidPositionException &e)
500 // Get center ground height in nodes
501 f32 gh = sector->getGroundHeight(
502 v2s16(MAP_BLOCKSIZE/2, MAP_BLOCKSIZE/2));
503 // Block center y in nodes
504 f32 y = (f32)(p.Y * MAP_BLOCKSIZE + MAP_BLOCKSIZE/2);
505 // If differs a lot, don't generate
506 if(fabs(gh - y) > MAP_BLOCKSIZE*2)
513 Don't generate or send if not in sight
516 if(isBlockInSight(p, camera_pos, camera_dir, 10000*BS) == false)
522 Don't send already sent blocks
525 if(m_blocks_sent.find(p) != NULL)
530 Check if map has this block
532 MapBlock *block = server->m_env.getMap().getBlockNoCreateNoEx(p);
534 bool surely_not_found_on_disk = false;
535 bool block_is_invalid = false;
540 surely_not_found_on_disk = true;
543 if(block->isValid() == false)
545 block_is_invalid = true;
548 /*if(block->isFullyGenerated() == false)
550 block_is_invalid = true;
554 ServerMap *map = (ServerMap*)(&server->m_env.getMap());
555 v2s16 chunkpos = map->sector_to_chunk(p2d);
556 if(map->chunkNonVolatile(chunkpos) == false)
557 block_is_invalid = true;
561 If block has been marked to not exist on disk (dummy)
562 and generating new ones is not wanted, skip block.
564 if(generate == false && surely_not_found_on_disk == true)
571 Record the lowest d from which a a block has been
572 found being not sent and possibly to exist
574 if(new_nearest_unsent_d == -1 || d < new_nearest_unsent_d)
576 new_nearest_unsent_d = d;
580 Add inexistent block to emerge queue.
582 if(block == NULL || surely_not_found_on_disk || block_is_invalid)
584 //TODO: Get value from somewhere
585 // Allow only one block in emerge queue
586 //if(server->m_emerge_queue.peerItemCount(peer_id) < 1)
587 if(server->m_emerge_queue.peerItemCount(peer_id) < 2)
589 //dstream<<"Adding block to emerge queue"<<std::endl;
591 // Add it to the emerge queue and trigger the thread
594 if(generate == false)
595 flags |= BLOCK_EMERGE_FLAG_FROMDISK;
597 server->m_emerge_queue.addBlock(peer_id, p, flags);
598 server->m_emergethread.trigger();
606 Add block to send queue
609 PrioritySortedBlockTransfer q((float)d, p, peer_id);
613 num_blocks_selected += 1;
618 if(new_nearest_unsent_d != -1)
620 m_nearest_unsent_d = new_nearest_unsent_d;
624 void RemoteClient::SendObjectData(
627 core::map<v3s16, bool> &stepped_blocks
630 DSTACK(__FUNCTION_NAME);
632 // Can't send anything without knowing version
633 if(serialization_version == SER_FMT_VER_INVALID)
635 dstream<<"RemoteClient::SendObjectData(): Not sending, no version."
641 Send a TOCLIENT_OBJECTDATA packet.
645 u16 number of player positions
656 std::ostringstream os(std::ios_base::binary);
660 writeU16(buf, TOCLIENT_OBJECTDATA);
661 os.write((char*)buf, 2);
664 Get and write player data
667 // Get connected players
668 core::list<Player*> players = server->m_env.getPlayers(true);
670 // Write player count
671 u16 playercount = players.size();
672 writeU16(buf, playercount);
673 os.write((char*)buf, 2);
675 core::list<Player*>::Iterator i;
676 for(i = players.begin();
677 i != players.end(); i++)
681 v3f pf = player->getPosition();
682 v3f sf = player->getSpeed();
684 v3s32 position_i(pf.X*100, pf.Y*100, pf.Z*100);
685 v3s32 speed_i (sf.X*100, sf.Y*100, sf.Z*100);
686 s32 pitch_i (player->getPitch() * 100);
687 s32 yaw_i (player->getYaw() * 100);
689 writeU16(buf, player->peer_id);
690 os.write((char*)buf, 2);
691 writeV3S32(buf, position_i);
692 os.write((char*)buf, 12);
693 writeV3S32(buf, speed_i);
694 os.write((char*)buf, 12);
695 writeS32(buf, pitch_i);
696 os.write((char*)buf, 4);
697 writeS32(buf, yaw_i);
698 os.write((char*)buf, 4);
702 Get and write object data
708 For making players to be able to build to their nearby
709 environment (building is not possible on blocks that are not
712 - Add blocks to emerge queue if they are not found
714 SUGGESTION: These could be ignored from the backside of the player
717 Player *player = server->m_env.getPlayer(peer_id);
721 v3f playerpos = player->getPosition();
722 v3f playerspeed = player->getSpeed();
724 v3s16 center_nodepos = floatToInt(playerpos, BS);
725 v3s16 center = getNodeBlockPos(center_nodepos);
727 s16 d_max = g_settings.getS16("active_object_range");
729 // Number of blocks whose objects were written to bos
732 std::ostringstream bos(std::ios_base::binary);
734 for(s16 d = 0; d <= d_max; d++)
736 core::list<v3s16> list;
737 getFacePositions(list, d);
739 core::list<v3s16>::Iterator li;
740 for(li=list.begin(); li!=list.end(); li++)
742 v3s16 p = *li + center;
745 Ignore blocks that haven't been sent to the client
748 if(m_blocks_sent.find(p) == NULL)
752 // Try stepping block and add it to a send queue
757 MapBlock *block = server->m_env.getMap().getBlockNoCreate(p);
760 Step block if not in stepped_blocks and add to stepped_blocks.
762 if(stepped_blocks.find(p) == NULL)
764 block->stepObjects(dtime, true, server->getDayNightRatio());
765 stepped_blocks.insert(p, true);
766 block->setChangedFlag();
769 // Skip block if there are no objects
770 if(block->getObjectCount() == 0)
779 bos.write((char*)buf, 6);
782 block->serializeObjects(bos, serialization_version);
787 Stop collecting objects if data is already too big
789 // Sum of player and object data sizes
790 s32 sum = (s32)os.tellp() + 2 + (s32)bos.tellp();
791 // break out if data too big
792 if(sum > MAX_OBJECTDATA_SIZE)
794 goto skip_subsequent;
798 catch(InvalidPositionException &e)
801 // Add it to the emerge queue and trigger the thread.
802 // Fetch the block only if it is on disk.
804 // Grab and increment counter
805 /*SharedPtr<JMutexAutoLock> lock
806 (m_num_blocks_in_emerge_queue.getLock());
807 m_num_blocks_in_emerge_queue.m_value++;*/
809 // Add to queue as an anonymous fetch from disk
810 u8 flags = BLOCK_EMERGE_FLAG_FROMDISK;
811 server->m_emerge_queue.addBlock(0, p, flags);
812 server->m_emergethread.trigger();
820 writeU16(buf, blockcount);
821 os.write((char*)buf, 2);
823 // Write block objects
830 //dstream<<"Server: Sending object data to "<<peer_id<<std::endl;
833 std::string s = os.str();
834 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
835 // Send as unreliable
836 server->m_con.Send(peer_id, 0, data, false);
839 void RemoteClient::GotBlock(v3s16 p)
841 if(m_blocks_sending.find(p) != NULL)
842 m_blocks_sending.remove(p);
845 /*dstream<<"RemoteClient::GotBlock(): Didn't find in"
846 " m_blocks_sending"<<std::endl;*/
847 m_excess_gotblocks++;
849 m_blocks_sent.insert(p, true);
852 void RemoteClient::SentBlock(v3s16 p)
854 if(m_blocks_sending.find(p) == NULL)
855 m_blocks_sending.insert(p, 0.0);
857 dstream<<"RemoteClient::SentBlock(): Sent block"
858 " already in m_blocks_sending"<<std::endl;
861 void RemoteClient::SetBlockNotSent(v3s16 p)
863 m_nearest_unsent_d = 0;
865 if(m_blocks_sending.find(p) != NULL)
866 m_blocks_sending.remove(p);
867 if(m_blocks_sent.find(p) != NULL)
868 m_blocks_sent.remove(p);
871 void RemoteClient::SetBlocksNotSent(core::map<v3s16, MapBlock*> &blocks)
873 m_nearest_unsent_d = 0;
875 for(core::map<v3s16, MapBlock*>::Iterator
876 i = blocks.getIterator();
877 i.atEnd()==false; i++)
879 v3s16 p = i.getNode()->getKey();
881 if(m_blocks_sending.find(p) != NULL)
882 m_blocks_sending.remove(p);
883 if(m_blocks_sent.find(p) != NULL)
884 m_blocks_sent.remove(p);
892 PlayerInfo::PlayerInfo()
898 void PlayerInfo::PrintLine(std::ostream *s)
901 (*s)<<"\""<<name<<"\" ("
902 <<(position.X/10)<<","<<(position.Y/10)
903 <<","<<(position.Z/10)<<") ";
905 (*s)<<" avg_rtt="<<avg_rtt;
909 u32 PIChecksum(core::list<PlayerInfo> &l)
911 core::list<PlayerInfo>::Iterator i;
914 for(i=l.begin(); i!=l.end(); i++)
916 checksum += a * (i->id+1);
917 checksum ^= 0x435aafcd;
928 std::string mapsavedir
930 m_env(new ServerMap(mapsavedir), this),
931 m_con(PROTOCOL_ID, 512, CONNECTION_TIMEOUT, this),
933 m_emergethread(this),
936 m_time_of_day_send_timer(0),
938 m_mapsavedir(mapsavedir),
939 m_shutdown_requested(false),
940 m_ignore_map_edit_events(false),
941 m_ignore_map_edit_events_peer_id(0)
943 m_liquid_transform_timer = 0.0;
944 m_print_info_timer = 0.0;
945 m_objectdata_timer = 0.0;
946 m_emergethread_trigger_timer = 0.0;
947 m_savemap_timer = 0.0;
951 m_step_dtime_mutex.Init();
954 m_env.getMap().addEventReceiver(this);
957 m_env.deSerializePlayers(m_mapsavedir);
963 Send shutdown message
966 JMutexAutoLock conlock(m_con_mutex);
968 std::wstring line = L"*** Server shutting down";
971 Send the message to clients
973 for(core::map<u16, RemoteClient*>::Iterator
974 i = m_clients.getIterator();
975 i.atEnd() == false; i++)
977 // Get client and check that it is valid
978 RemoteClient *client = i.getNode()->getValue();
979 assert(client->peer_id == i.getNode()->getKey());
980 if(client->serialization_version == SER_FMT_VER_INVALID)
983 SendChatMessage(client->peer_id, line);
990 m_env.serializePlayers(m_mapsavedir);
1001 JMutexAutoLock clientslock(m_con_mutex);
1003 for(core::map<u16, RemoteClient*>::Iterator
1004 i = m_clients.getIterator();
1005 i.atEnd() == false; i++)
1008 // NOTE: These are removed by env destructor
1010 u16 peer_id = i.getNode()->getKey();
1011 JMutexAutoLock envlock(m_env_mutex);
1012 m_env.removePlayer(peer_id);
1016 delete i.getNode()->getValue();
1021 void Server::start(unsigned short port)
1023 DSTACK(__FUNCTION_NAME);
1024 // Stop thread if already running
1027 // Initialize connection
1028 m_con.setTimeoutMs(30);
1032 m_thread.setRun(true);
1035 dout_server<<"Server: Started on port "<<port<<std::endl;
1040 DSTACK(__FUNCTION_NAME);
1042 // Stop threads (set run=false first so both start stopping)
1043 m_thread.setRun(false);
1044 m_emergethread.setRun(false);
1046 m_emergethread.stop();
1048 dout_server<<"Server: Threads stopped"<<std::endl;
1050 dout_server<<"Server: Saving players"<<std::endl;
1052 // FIXME: Apparently this does not do anything here
1053 //m_env.serializePlayers(m_mapsavedir);
1056 void Server::step(float dtime)
1058 DSTACK(__FUNCTION_NAME);
1063 JMutexAutoLock lock(m_step_dtime_mutex);
1064 m_step_dtime += dtime;
1068 void Server::AsyncRunStep()
1070 DSTACK(__FUNCTION_NAME);
1074 JMutexAutoLock lock1(m_step_dtime_mutex);
1075 dtime = m_step_dtime;
1078 // Send blocks to clients
1084 //dstream<<"Server steps "<<dtime<<std::endl;
1085 //dstream<<"Server::AsyncRunStep(): dtime="<<dtime<<std::endl;
1088 JMutexAutoLock lock1(m_step_dtime_mutex);
1089 m_step_dtime -= dtime;
1096 m_uptime.set(m_uptime.get() + dtime);
1100 Update m_time_of_day
1103 m_time_counter += dtime;
1104 f32 speed = g_settings.getFloat("time_speed") * 24000./(24.*3600);
1105 u32 units = (u32)(m_time_counter*speed);
1106 m_time_counter -= (f32)units / speed;
1107 m_time_of_day.set((m_time_of_day.get() + units) % 24000);
1109 //dstream<<"Server: m_time_of_day = "<<m_time_of_day.get()<<std::endl;
1112 Send to clients at constant intervals
1115 m_time_of_day_send_timer -= dtime;
1116 if(m_time_of_day_send_timer < 0.0)
1118 m_time_of_day_send_timer = g_settings.getFloat("time_send_interval");
1120 //JMutexAutoLock envlock(m_env_mutex);
1121 JMutexAutoLock conlock(m_con_mutex);
1123 for(core::map<u16, RemoteClient*>::Iterator
1124 i = m_clients.getIterator();
1125 i.atEnd() == false; i++)
1127 RemoteClient *client = i.getNode()->getValue();
1128 //Player *player = m_env.getPlayer(client->peer_id);
1130 SharedBuffer<u8> data = makePacket_TOCLIENT_TIME_OF_DAY(
1131 m_time_of_day.get());
1133 m_con.Send(client->peer_id, 0, data, true);
1139 // Process connection's timeouts
1140 JMutexAutoLock lock2(m_con_mutex);
1141 m_con.RunTimeouts(dtime);
1145 // This has to be called so that the client list gets synced
1146 // with the peer list of the connection
1147 handlePeerChanges();
1152 // This also runs Map's timers
1153 JMutexAutoLock lock(m_env_mutex);
1164 m_liquid_transform_timer += dtime;
1165 if(m_liquid_transform_timer >= 1.00)
1167 m_liquid_transform_timer -= 1.00;
1169 JMutexAutoLock lock(m_env_mutex);
1171 core::map<v3s16, MapBlock*> modified_blocks;
1172 m_env.getMap().transformLiquids(modified_blocks);
1177 core::map<v3s16, MapBlock*> lighting_modified_blocks;
1178 ServerMap &map = ((ServerMap&)m_env.getMap());
1179 map.updateLighting(modified_blocks, lighting_modified_blocks);
1181 // Add blocks modified by lighting to modified_blocks
1182 for(core::map<v3s16, MapBlock*>::Iterator
1183 i = lighting_modified_blocks.getIterator();
1184 i.atEnd() == false; i++)
1186 MapBlock *block = i.getNode()->getValue();
1187 modified_blocks.insert(block->getPos(), block);
1191 Set the modified blocks unsent for all the clients
1194 JMutexAutoLock lock2(m_con_mutex);
1196 for(core::map<u16, RemoteClient*>::Iterator
1197 i = m_clients.getIterator();
1198 i.atEnd() == false; i++)
1200 RemoteClient *client = i.getNode()->getValue();
1202 if(modified_blocks.size() > 0)
1204 // Remove block from sent history
1205 client->SetBlocksNotSent(modified_blocks);
1210 // Periodically print some info
1212 float &counter = m_print_info_timer;
1218 JMutexAutoLock lock2(m_con_mutex);
1220 for(core::map<u16, RemoteClient*>::Iterator
1221 i = m_clients.getIterator();
1222 i.atEnd() == false; i++)
1224 //u16 peer_id = i.getNode()->getKey();
1225 RemoteClient *client = i.getNode()->getValue();
1226 Player *player = m_env.getPlayer(client->peer_id);
1227 std::cout<<player->getName()<<"\t";
1228 client->PrintInfo(std::cout);
1233 //if(g_settings.getBool("enable_experimental"))
1237 Check added and deleted active objects
1240 //dstream<<"Server: Checking added and deleted active objects"<<std::endl;
1242 JMutexAutoLock envlock(m_env_mutex);
1243 JMutexAutoLock conlock(m_con_mutex);
1245 // Radius inside which objects are active
1248 for(core::map<u16, RemoteClient*>::Iterator
1249 i = m_clients.getIterator();
1250 i.atEnd() == false; i++)
1252 RemoteClient *client = i.getNode()->getValue();
1253 Player *player = m_env.getPlayer(client->peer_id);
1256 dstream<<"WARNING: "<<__FUNCTION_NAME<<": Client "<<client->peer_id
1257 <<" has no associated player"<<std::endl;
1260 v3s16 pos = floatToInt(player->getPosition(), BS);
1262 core::map<u16, bool> removed_objects;
1263 core::map<u16, bool> added_objects;
1264 m_env.getRemovedActiveObjects(pos, radius,
1265 client->m_known_objects, removed_objects);
1266 m_env.getAddedActiveObjects(pos, radius,
1267 client->m_known_objects, added_objects);
1269 // Ignore if nothing happened
1270 if(removed_objects.size() == 0 && added_objects.size() == 0)
1272 //dstream<<"INFO: active objects: none changed"<<std::endl;
1276 std::string data_buffer;
1280 // Handle removed objects
1281 writeU16((u8*)buf, removed_objects.size());
1282 data_buffer.append(buf, 2);
1283 for(core::map<u16, bool>::Iterator
1284 i = removed_objects.getIterator();
1285 i.atEnd()==false; i++)
1288 u16 id = i.getNode()->getKey();
1289 ServerActiveObject* obj = m_env.getActiveObject(id);
1291 // Add to data buffer for sending
1292 writeU16((u8*)buf, i.getNode()->getKey());
1293 data_buffer.append(buf, 2);
1295 // Remove from known objects
1296 client->m_known_objects.remove(i.getNode()->getKey());
1298 if(obj && obj->m_known_by_count > 0)
1299 obj->m_known_by_count--;
1302 // Handle added objects
1303 writeU16((u8*)buf, added_objects.size());
1304 data_buffer.append(buf, 2);
1305 for(core::map<u16, bool>::Iterator
1306 i = added_objects.getIterator();
1307 i.atEnd()==false; i++)
1310 u16 id = i.getNode()->getKey();
1311 ServerActiveObject* obj = m_env.getActiveObject(id);
1314 u8 type = ACTIVEOBJECT_TYPE_INVALID;
1316 dstream<<"WARNING: "<<__FUNCTION_NAME
1317 <<": NULL object"<<std::endl;
1319 type = obj->getType();
1321 // Add to data buffer for sending
1322 writeU16((u8*)buf, id);
1323 data_buffer.append(buf, 2);
1324 writeU8((u8*)buf, type);
1325 data_buffer.append(buf, 1);
1328 data_buffer.append(serializeLongString(
1329 obj->getClientInitializationData()));
1331 data_buffer.append(serializeLongString(""));
1333 // Add to known objects
1334 client->m_known_objects.insert(i.getNode()->getKey(), false);
1337 obj->m_known_by_count++;
1341 SharedBuffer<u8> reply(2 + data_buffer.size());
1342 writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_REMOVE_ADD);
1343 memcpy((char*)&reply[2], data_buffer.c_str(),
1344 data_buffer.size());
1346 m_con.Send(client->peer_id, 0, reply, true);
1348 dstream<<"INFO: Server: Sent object remove/add: "
1349 <<removed_objects.size()<<" removed, "
1350 <<added_objects.size()<<" added, "
1351 <<"packet size is "<<reply.getSize()<<std::endl;
1356 Collect a list of all the objects known by the clients
1357 and report it back to the environment.
1360 core::map<u16, bool> all_known_objects;
1362 for(core::map<u16, RemoteClient*>::Iterator
1363 i = m_clients.getIterator();
1364 i.atEnd() == false; i++)
1366 RemoteClient *client = i.getNode()->getValue();
1367 // Go through all known objects of client
1368 for(core::map<u16, bool>::Iterator
1369 i = client->m_known_objects.getIterator();
1370 i.atEnd()==false; i++)
1372 u16 id = i.getNode()->getKey();
1373 all_known_objects[id] = true;
1377 m_env.setKnownActiveObjects(whatever);
1383 Send object messages
1386 JMutexAutoLock envlock(m_env_mutex);
1387 JMutexAutoLock conlock(m_con_mutex);
1390 // Value = data sent by object
1391 core::map<u16, core::list<ActiveObjectMessage>* > buffered_messages;
1393 // Get active object messages from environment
1396 ActiveObjectMessage aom = m_env.getActiveObjectMessage();
1400 core::list<ActiveObjectMessage>* message_list = NULL;
1401 core::map<u16, core::list<ActiveObjectMessage>* >::Node *n;
1402 n = buffered_messages.find(aom.id);
1405 message_list = new core::list<ActiveObjectMessage>;
1406 buffered_messages.insert(aom.id, message_list);
1410 message_list = n->getValue();
1412 message_list->push_back(aom);
1415 // Route data to every client
1416 for(core::map<u16, RemoteClient*>::Iterator
1417 i = m_clients.getIterator();
1418 i.atEnd()==false; i++)
1420 RemoteClient *client = i.getNode()->getValue();
1421 std::string reliable_data;
1422 std::string unreliable_data;
1423 // Go through all objects in message buffer
1424 for(core::map<u16, core::list<ActiveObjectMessage>* >::Iterator
1425 j = buffered_messages.getIterator();
1426 j.atEnd()==false; j++)
1428 // If object is not known by client, skip it
1429 u16 id = j.getNode()->getKey();
1430 if(client->m_known_objects.find(id) == NULL)
1432 // Get message list of object
1433 core::list<ActiveObjectMessage>* list = j.getNode()->getValue();
1434 // Go through every message
1435 for(core::list<ActiveObjectMessage>::Iterator
1436 k = list->begin(); k != list->end(); k++)
1438 // Compose the full new data with header
1439 ActiveObjectMessage aom = *k;
1440 std::string new_data;
1443 writeU16((u8*)&buf[0], aom.id);
1444 new_data.append(buf, 2);
1446 new_data += serializeString(aom.datastring);
1447 // Add data to buffer
1449 reliable_data += new_data;
1451 unreliable_data += new_data;
1455 reliable_data and unreliable_data are now ready.
1458 if(reliable_data.size() > 0)
1460 SharedBuffer<u8> reply(2 + reliable_data.size());
1461 writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_MESSAGES);
1462 memcpy((char*)&reply[2], reliable_data.c_str(),
1463 reliable_data.size());
1465 m_con.Send(client->peer_id, 0, reply, true);
1467 if(unreliable_data.size() > 0)
1469 SharedBuffer<u8> reply(2 + unreliable_data.size());
1470 writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_MESSAGES);
1471 memcpy((char*)&reply[2], unreliable_data.c_str(),
1472 unreliable_data.size());
1473 // Send as unreliable
1474 m_con.Send(client->peer_id, 0, reply, false);
1477 /*if(reliable_data.size() > 0 || unreliable_data.size() > 0)
1479 dstream<<"INFO: Server: Size of object message data: "
1480 <<"reliable: "<<reliable_data.size()
1481 <<", unreliable: "<<unreliable_data.size()
1486 // Clear buffered_messages
1487 for(core::map<u16, core::list<ActiveObjectMessage>* >::Iterator
1488 i = buffered_messages.getIterator();
1489 i.atEnd()==false; i++)
1491 delete i.getNode()->getValue();
1495 } // enable_experimental
1498 Send queued-for-sending map edit events.
1501 while(m_unsent_map_edit_queue.size() != 0)
1503 MapEditEvent* event = m_unsent_map_edit_queue.pop_front();
1505 if(event->type == MEET_ADDNODE)
1507 dstream<<"Server: MEET_ADDNODE"<<std::endl;
1508 sendAddNode(event->p, event->n, event->already_known_by_peer);
1510 else if(event->type == MEET_REMOVENODE)
1512 dstream<<"Server: MEET_REMOVENODE"<<std::endl;
1513 sendRemoveNode(event->p, event->already_known_by_peer);
1515 else if(event->type == MEET_OTHER)
1517 dstream<<"WARNING: Server: MEET_OTHER not implemented"
1522 dstream<<"WARNING: Server: Unknown MapEditEvent "
1523 <<((u32)event->type)<<std::endl;
1531 Send object positions
1532 TODO: Get rid of MapBlockObjects
1535 float &counter = m_objectdata_timer;
1537 if(counter >= g_settings.getFloat("objectdata_interval"))
1539 JMutexAutoLock lock1(m_env_mutex);
1540 JMutexAutoLock lock2(m_con_mutex);
1541 SendObjectData(counter);
1551 JMutexAutoLock envlock(m_env_mutex);
1552 JMutexAutoLock conlock(m_con_mutex);
1554 core::map<v3s16, MapBlock*> changed_blocks;
1555 m_env.getMap().nodeMetadataStep(dtime, changed_blocks);
1557 for(core::map<v3s16, MapBlock*>::Iterator
1558 i = changed_blocks.getIterator();
1559 i.atEnd() == false; i++)
1561 MapBlock *block = i.getNode()->getValue();
1563 for(core::map<u16, RemoteClient*>::Iterator
1564 i = m_clients.getIterator();
1565 i.atEnd()==false; i++)
1567 RemoteClient *client = i.getNode()->getValue();
1568 client->SetBlockNotSent(block->getPos());
1574 Trigger emergethread (it somehow gets to a non-triggered but
1575 bysy state sometimes)
1578 float &counter = m_emergethread_trigger_timer;
1584 m_emergethread.trigger();
1590 float &counter = m_savemap_timer;
1592 if(counter >= g_settings.getFloat("server_map_save_interval"))
1596 JMutexAutoLock lock(m_env_mutex);
1598 if(((ServerMap*)(&m_env.getMap()))->isSavingEnabled() == true)
1600 // Save only changed parts
1601 m_env.getMap().save(true);
1603 // Delete unused sectors
1604 u32 deleted_count = m_env.getMap().deleteUnusedSectors(
1605 g_settings.getFloat("server_unload_unused_sectors_timeout"));
1606 if(deleted_count > 0)
1608 dout_server<<"Server: Unloaded "<<deleted_count
1609 <<" sectors from memory"<<std::endl;
1613 m_env.serializePlayers(m_mapsavedir);
1619 void Server::Receive()
1621 DSTACK(__FUNCTION_NAME);
1622 u32 data_maxsize = 10000;
1623 Buffer<u8> data(data_maxsize);
1628 JMutexAutoLock conlock(m_con_mutex);
1629 datasize = m_con.Receive(peer_id, *data, data_maxsize);
1632 // This has to be called so that the client list gets synced
1633 // with the peer list of the connection
1634 handlePeerChanges();
1636 ProcessData(*data, datasize, peer_id);
1638 catch(con::InvalidIncomingDataException &e)
1640 derr_server<<"Server::Receive(): "
1641 "InvalidIncomingDataException: what()="
1642 <<e.what()<<std::endl;
1644 catch(con::PeerNotFoundException &e)
1646 //NOTE: This is not needed anymore
1648 // The peer has been disconnected.
1649 // Find the associated player and remove it.
1651 /*JMutexAutoLock envlock(m_env_mutex);
1653 dout_server<<"ServerThread: peer_id="<<peer_id
1654 <<" has apparently closed connection. "
1655 <<"Removing player."<<std::endl;
1657 m_env.removePlayer(peer_id);*/
1661 void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id)
1663 DSTACK(__FUNCTION_NAME);
1664 // Environment is locked first.
1665 JMutexAutoLock envlock(m_env_mutex);
1666 JMutexAutoLock conlock(m_con_mutex);
1670 peer = m_con.GetPeer(peer_id);
1672 catch(con::PeerNotFoundException &e)
1674 derr_server<<DTIME<<"Server::ProcessData(): Cancelling: peer "
1675 <<peer_id<<" not found"<<std::endl;
1679 u8 peer_ser_ver = getClient(peer->id)->serialization_version;
1687 ToServerCommand command = (ToServerCommand)readU16(&data[0]);
1689 if(command == TOSERVER_INIT)
1691 // [0] u16 TOSERVER_INIT
1692 // [2] u8 SER_FMT_VER_HIGHEST
1693 // [3] u8[20] player_name
1698 derr_server<<DTIME<<"Server: Got TOSERVER_INIT from "
1699 <<peer->id<<std::endl;
1701 // First byte after command is maximum supported
1702 // serialization version
1703 u8 client_max = data[2];
1704 u8 our_max = SER_FMT_VER_HIGHEST;
1705 // Use the highest version supported by both
1706 u8 deployed = core::min_(client_max, our_max);
1707 // If it's lower than the lowest supported, give up.
1708 if(deployed < SER_FMT_VER_LOWEST)
1709 deployed = SER_FMT_VER_INVALID;
1711 //peer->serialization_version = deployed;
1712 getClient(peer->id)->pending_serialization_version = deployed;
1714 if(deployed == SER_FMT_VER_INVALID)
1716 derr_server<<DTIME<<"Server: Cannot negotiate "
1717 "serialization version with peer "
1718 <<peer_id<<std::endl;
1727 const u32 playername_size = 20;
1728 char playername[playername_size];
1729 for(u32 i=0; i<playername_size-1; i++)
1731 playername[i] = data[3+i];
1733 playername[playername_size-1] = 0;
1736 Player *player = emergePlayer(playername, "", peer_id);
1737 //Player *player = m_env.getPlayer(peer_id);
1740 // DEBUG: Test serialization
1741 std::ostringstream test_os;
1742 player->serialize(test_os);
1743 dstream<<"Player serialization test: \""<<test_os.str()
1745 std::istringstream test_is(test_os.str());
1746 player->deSerialize(test_is);
1749 // If failed, cancel
1752 derr_server<<DTIME<<"Server: peer_id="<<peer_id
1753 <<": failed to emerge player"<<std::endl;
1758 // If a client is already connected to the player, cancel
1759 if(player->peer_id != 0)
1761 derr_server<<DTIME<<"Server: peer_id="<<peer_id
1762 <<" tried to connect to "
1763 "an already connected player (peer_id="
1764 <<player->peer_id<<")"<<std::endl;
1767 // Set client of player
1768 player->peer_id = peer_id;
1771 // Check if player doesn't exist
1773 throw con::InvalidIncomingDataException
1774 ("Server::ProcessData(): INIT: Player doesn't exist");
1776 /*// update name if it was supplied
1777 if(datasize >= 20+3)
1780 player->updateName((const char*)&data[3]);
1783 // Now answer with a TOCLIENT_INIT
1785 SharedBuffer<u8> reply(2+1+6+8);
1786 writeU16(&reply[0], TOCLIENT_INIT);
1787 writeU8(&reply[2], deployed);
1788 writeV3S16(&reply[2+1], floatToInt(player->getPosition()+v3f(0,BS/2,0), BS));
1789 //writeU64(&reply[2+1+6], m_env.getServerMap().getSeed());
1792 m_con.Send(peer_id, 0, reply, true);
1796 if(command == TOSERVER_INIT2)
1798 derr_server<<DTIME<<"Server: Got TOSERVER_INIT2 from "
1799 <<peer->id<<std::endl;
1802 getClient(peer->id)->serialization_version
1803 = getClient(peer->id)->pending_serialization_version;
1806 Send some initialization data
1809 // Send player info to all players
1812 // Send inventory to player
1813 SendInventory(peer->id);
1817 SharedBuffer<u8> data = makePacket_TOCLIENT_TIME_OF_DAY(
1818 m_time_of_day.get());
1819 m_con.Send(peer->id, 0, data, true);
1822 // Send information about server to player in chat
1823 SendChatMessage(peer_id, getStatusString());
1825 // Send information about joining in chat
1827 std::wstring name = L"unknown";
1828 Player *player = m_env.getPlayer(peer_id);
1830 name = narrow_to_wide(player->getName());
1832 std::wstring message;
1835 message += L" joined game";
1836 BroadcastChatMessage(message);
1842 if(peer_ser_ver == SER_FMT_VER_INVALID)
1844 derr_server<<DTIME<<"Server::ProcessData(): Cancelling: Peer"
1845 " serialization format invalid or not initialized."
1846 " Skipping incoming command="<<command<<std::endl;
1850 Player *player = m_env.getPlayer(peer_id);
1853 derr_server<<"Server::ProcessData(): Cancelling: "
1854 "No player for peer_id="<<peer_id
1858 if(command == TOSERVER_PLAYERPOS)
1860 if(datasize < 2+12+12+4+4)
1864 v3s32 ps = readV3S32(&data[start+2]);
1865 v3s32 ss = readV3S32(&data[start+2+12]);
1866 f32 pitch = (f32)readS32(&data[2+12+12]) / 100.0;
1867 f32 yaw = (f32)readS32(&data[2+12+12+4]) / 100.0;
1868 v3f position((f32)ps.X/100., (f32)ps.Y/100., (f32)ps.Z/100.);
1869 v3f speed((f32)ss.X/100., (f32)ss.Y/100., (f32)ss.Z/100.);
1870 pitch = wrapDegrees(pitch);
1871 yaw = wrapDegrees(yaw);
1872 player->setPosition(position);
1873 player->setSpeed(speed);
1874 player->setPitch(pitch);
1875 player->setYaw(yaw);
1877 /*dout_server<<"Server::ProcessData(): Moved player "<<peer_id<<" to "
1878 <<"("<<position.X<<","<<position.Y<<","<<position.Z<<")"
1879 <<" pitch="<<pitch<<" yaw="<<yaw<<std::endl;*/
1881 else if(command == TOSERVER_GOTBLOCKS)
1894 u16 count = data[2];
1895 for(u16 i=0; i<count; i++)
1897 if((s16)datasize < 2+1+(i+1)*6)
1898 throw con::InvalidIncomingDataException
1899 ("GOTBLOCKS length is too short");
1900 v3s16 p = readV3S16(&data[2+1+i*6]);
1901 /*dstream<<"Server: GOTBLOCKS ("
1902 <<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
1903 RemoteClient *client = getClient(peer_id);
1904 client->GotBlock(p);
1907 else if(command == TOSERVER_DELETEDBLOCKS)
1920 u16 count = data[2];
1921 for(u16 i=0; i<count; i++)
1923 if((s16)datasize < 2+1+(i+1)*6)
1924 throw con::InvalidIncomingDataException
1925 ("DELETEDBLOCKS length is too short");
1926 v3s16 p = readV3S16(&data[2+1+i*6]);
1927 /*dstream<<"Server: DELETEDBLOCKS ("
1928 <<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
1929 RemoteClient *client = getClient(peer_id);
1930 client->SetBlockNotSent(p);
1933 else if(command == TOSERVER_CLICK_OBJECT)
1940 [2] u8 button (0=left, 1=right)
1945 u8 button = readU8(&data[2]);
1947 p.X = readS16(&data[3]);
1948 p.Y = readS16(&data[5]);
1949 p.Z = readS16(&data[7]);
1950 s16 id = readS16(&data[9]);
1951 //u16 item_i = readU16(&data[11]);
1953 MapBlock *block = NULL;
1956 block = m_env.getMap().getBlockNoCreate(p);
1958 catch(InvalidPositionException &e)
1960 derr_server<<"CLICK_OBJECT block not found"<<std::endl;
1964 MapBlockObject *obj = block->getObject(id);
1968 derr_server<<"CLICK_OBJECT object not found"<<std::endl;
1972 //TODO: Check that object is reasonably close
1977 InventoryList *ilist = player->inventory.getList("main");
1978 if(g_settings.getBool("creative_mode") == false && ilist != NULL)
1981 // Skip if inventory has no free space
1982 if(ilist->getUsedSlots() == ilist->getSize())
1984 dout_server<<"Player inventory has no free space"<<std::endl;
1989 Create the inventory item
1991 InventoryItem *item = NULL;
1992 // If it is an item-object, take the item from it
1993 if(obj->getTypeId() == MAPBLOCKOBJECT_TYPE_ITEM)
1995 item = ((ItemObject*)obj)->createInventoryItem();
1997 // Else create an item of the object
2000 item = new MapBlockObjectItem
2001 (obj->getInventoryString());
2004 // Add to inventory and send inventory
2005 ilist->addItem(item);
2006 SendInventory(player->peer_id);
2009 // Remove from block
2010 block->removeObject(id);
2013 else if(command == TOSERVER_CLICK_ACTIVEOBJECT)
2021 [2] u8 button (0=left, 1=right)
2025 u8 button = readU8(&data[2]);
2026 u16 id = readS16(&data[3]);
2027 //u16 item_i = readU16(&data[11]);
2029 ServerActiveObject *obj = m_env.getActiveObject(id);
2033 derr_server<<"Server: CLICK_ACTIVEOBJECT: object not found"
2038 //TODO: Check that object is reasonably close
2040 // Left click, pick object up (usually)
2043 InventoryList *ilist = player->inventory.getList("main");
2044 if(g_settings.getBool("creative_mode") == false && ilist != NULL)
2047 // Skip if inventory has no free space
2048 if(ilist->getUsedSlots() == ilist->getSize())
2050 dout_server<<"Player inventory has no free space"<<std::endl;
2054 // Skip if object has been removed
2059 Create the inventory item
2061 InventoryItem *item = obj->createPickedUpItem();
2065 // Add to inventory and send inventory
2066 ilist->addItem(item);
2067 SendInventory(player->peer_id);
2069 // Remove object from environment
2070 obj->m_removed = true;
2075 else if(command == TOSERVER_GROUND_ACTION)
2083 [3] v3s16 nodepos_undersurface
2084 [9] v3s16 nodepos_abovesurface
2089 2: stop digging (all parameters ignored)
2090 3: digging completed
2092 u8 action = readU8(&data[2]);
2094 p_under.X = readS16(&data[3]);
2095 p_under.Y = readS16(&data[5]);
2096 p_under.Z = readS16(&data[7]);
2098 p_over.X = readS16(&data[9]);
2099 p_over.Y = readS16(&data[11]);
2100 p_over.Z = readS16(&data[13]);
2101 u16 item_i = readU16(&data[15]);
2103 //TODO: Check that target is reasonably close
2111 NOTE: This can be used in the future to check if
2112 somebody is cheating, by checking the timing.
2119 else if(action == 2)
2122 RemoteClient *client = getClient(peer->id);
2123 JMutexAutoLock digmutex(client->m_dig_mutex);
2124 client->m_dig_tool_item = -1;
2129 3: Digging completed
2131 else if(action == 3)
2133 // Mandatory parameter; actually used for nothing
2134 core::map<v3s16, MapBlock*> modified_blocks;
2137 u8 mineral = MINERAL_NONE;
2139 bool cannot_remove_node = false;
2143 MapNode n = m_env.getMap().getNode(p_under);
2145 mineral = n.getMineral();
2146 // Get material at position
2148 // If not yet cancelled
2149 if(cannot_remove_node == false)
2151 // If it's not diggable, do nothing
2152 if(content_diggable(material) == false)
2154 derr_server<<"Server: Not finishing digging: "
2155 <<"Node not diggable"
2157 cannot_remove_node = true;
2160 // If not yet cancelled
2161 if(cannot_remove_node == false)
2163 // Get node metadata
2164 NodeMetadata *meta = m_env.getMap().getNodeMetadata(p_under);
2165 if(meta && meta->nodeRemovalDisabled() == true)
2167 derr_server<<"Server: Not finishing digging: "
2168 <<"Node metadata disables removal"
2170 cannot_remove_node = true;
2174 catch(InvalidPositionException &e)
2176 derr_server<<"Server: Not finishing digging: Node not found."
2177 <<" Adding block to emerge queue."
2179 m_emerge_queue.addBlock(peer_id,
2180 getNodeBlockPos(p_over), BLOCK_EMERGE_FLAG_FROMDISK);
2181 cannot_remove_node = true;
2185 If node can't be removed, set block to be re-sent to
2188 if(cannot_remove_node)
2190 derr_server<<"Server: Not finishing digging."<<std::endl;
2192 // Client probably has wrong data.
2193 // Set block not sent, so that client will get
2195 dstream<<"Client "<<peer_id<<" tried to dig "
2196 <<"node; but node cannot be removed."
2197 <<" setting MapBlock not sent."<<std::endl;
2198 RemoteClient *client = getClient(peer_id);
2199 v3s16 blockpos = getNodeBlockPos(p_under);
2200 client->SetBlockNotSent(blockpos);
2206 Send the removal to all other clients.
2207 - If other player is close, send REMOVENODE
2208 - Otherwise set blocks not sent
2210 core::list<u16> far_players;
2211 sendRemoveNode(p_under, peer_id, &far_players, 100);
2214 Update and send inventory
2217 if(g_settings.getBool("creative_mode") == false)
2222 InventoryList *mlist = player->inventory.getList("main");
2225 InventoryItem *item = mlist->getItem(item_i);
2226 if(item && (std::string)item->getName() == "ToolItem")
2228 ToolItem *titem = (ToolItem*)item;
2229 std::string toolname = titem->getToolName();
2231 // Get digging properties for material and tool
2232 DiggingProperties prop =
2233 getDiggingProperties(material, toolname);
2235 if(prop.diggable == false)
2237 derr_server<<"Server: WARNING: Player digged"
2238 <<" with impossible material + tool"
2239 <<" combination"<<std::endl;
2242 bool weared_out = titem->addWear(prop.wear);
2246 mlist->deleteItem(item_i);
2252 Add dug item to inventory
2255 InventoryItem *item = NULL;
2257 if(mineral != MINERAL_NONE)
2258 item = getDiggedMineralItem(mineral);
2263 std::string &dug_s = content_features(material).dug_item;
2266 std::istringstream is(dug_s, std::ios::binary);
2267 item = InventoryItem::deSerialize(is);
2273 // Add a item to inventory
2274 player->inventory.addItem("main", item);
2277 SendInventory(player->peer_id);
2283 (this takes some time so it is done after the quick stuff)
2285 m_ignore_map_edit_events = true;
2286 m_env.getMap().removeNodeAndUpdate(p_under, modified_blocks);
2287 m_ignore_map_edit_events = false;
2290 Set blocks not sent to far players
2292 for(core::list<u16>::Iterator
2293 i = far_players.begin();
2294 i != far_players.end(); i++)
2297 RemoteClient *client = getClient(peer_id);
2300 client->SetBlocksNotSent(modified_blocks);
2307 else if(action == 1)
2310 InventoryList *ilist = player->inventory.getList("main");
2315 InventoryItem *item = ilist->getItem(item_i);
2317 // If there is no item, it is not possible to add it anywhere
2322 Handle material items
2324 if(std::string("MaterialItem") == item->getName())
2327 // Don't add a node if this is not a free space
2328 MapNode n2 = m_env.getMap().getNode(p_over);
2329 if(content_buildable_to(n2.d) == false)
2331 // Client probably has wrong data.
2332 // Set block not sent, so that client will get
2334 dstream<<"Client "<<peer_id<<" tried to place"
2335 <<" node in invalid position; setting"
2336 <<" MapBlock not sent."<<std::endl;
2337 RemoteClient *client = getClient(peer_id);
2338 v3s16 blockpos = getNodeBlockPos(p_over);
2339 client->SetBlockNotSent(blockpos);
2343 catch(InvalidPositionException &e)
2345 derr_server<<"Server: Ignoring ADDNODE: Node not found"
2346 <<" Adding block to emerge queue."
2348 m_emerge_queue.addBlock(peer_id,
2349 getNodeBlockPos(p_over), BLOCK_EMERGE_FLAG_FROMDISK);
2353 // Reset build time counter
2354 getClient(peer->id)->m_time_from_building = 0.0;
2357 MaterialItem *mitem = (MaterialItem*)item;
2359 n.d = mitem->getMaterial();
2360 if(content_features(n.d).wall_mounted)
2361 n.dir = packDir(p_under - p_over);
2366 core::list<u16> far_players;
2367 sendAddNode(p_over, n, 0, &far_players, 100);
2372 InventoryList *ilist = player->inventory.getList("main");
2373 if(g_settings.getBool("creative_mode") == false && ilist)
2375 // Remove from inventory and send inventory
2376 if(mitem->getCount() == 1)
2377 ilist->deleteItem(item_i);
2381 SendInventory(peer_id);
2387 This takes some time so it is done after the quick stuff
2389 core::map<v3s16, MapBlock*> modified_blocks;
2390 m_ignore_map_edit_events = true;
2391 m_env.getMap().addNodeAndUpdate(p_over, n, modified_blocks);
2392 m_ignore_map_edit_events = false;
2395 Set blocks not sent to far players
2397 for(core::list<u16>::Iterator
2398 i = far_players.begin();
2399 i != far_players.end(); i++)
2402 RemoteClient *client = getClient(peer_id);
2405 client->SetBlocksNotSent(modified_blocks);
2409 Calculate special events
2412 /*if(n.d == CONTENT_MESE)
2415 for(s16 z=-1; z<=1; z++)
2416 for(s16 y=-1; y<=1; y++)
2417 for(s16 x=-1; x<=1; x++)
2424 Place other item (not a block)
2428 v3s16 blockpos = getNodeBlockPos(p_over);
2431 Check that the block is loaded so that the item
2432 can properly be added to the static list too
2434 MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(blockpos);
2437 derr_server<<"Error while placing object: "
2438 "block not found"<<std::endl;
2442 dout_server<<"Placing a miscellaneous item on map"
2445 // Calculate a position for it
2446 v3f pos = intToFloat(p_over, BS);
2448 pos.Y -= BS*0.25; // let it drop a bit
2450 pos.X += BS*0.2*(float)myrand_range(-1000,1000)/1000.0;
2451 pos.Z += BS*0.2*(float)myrand_range(-1000,1000)/1000.0;
2456 ServerActiveObject *obj = item->createSAO(&m_env, 0, pos);
2460 derr_server<<"WARNING: item resulted in NULL object, "
2461 <<"not placing onto map"
2466 // Add the object to the environment
2467 m_env.addActiveObject(obj);
2469 dout_server<<"Placed object"<<std::endl;
2471 // If item has count<=1, delete it
2472 if(item->getCount() <= 1)
2474 InventoryList *ilist = player->inventory.getList("main");
2475 if(g_settings.getBool("creative_mode") == false && ilist)
2477 // Remove from inventory and send inventory
2478 ilist->deleteItem(item_i);
2480 SendInventory(peer_id);
2483 // Else decrement it
2488 SendInventory(peer_id);
2496 Catch invalid actions
2500 derr_server<<"WARNING: Server: Invalid action "
2501 <<action<<std::endl;
2505 else if(command == TOSERVER_RELEASE)
2514 dstream<<"TOSERVER_RELEASE ignored"<<std::endl;
2517 else if(command == TOSERVER_SIGNTEXT)
2526 std::string datastring((char*)&data[2], datasize-2);
2527 std::istringstream is(datastring, std::ios_base::binary);
2530 is.read((char*)buf, 6);
2531 v3s16 blockpos = readV3S16(buf);
2532 is.read((char*)buf, 2);
2533 s16 id = readS16(buf);
2534 is.read((char*)buf, 2);
2535 u16 textlen = readU16(buf);
2537 for(u16 i=0; i<textlen; i++)
2539 is.read((char*)buf, 1);
2540 text += (char)buf[0];
2543 MapBlock *block = NULL;
2546 block = m_env.getMap().getBlockNoCreate(blockpos);
2548 catch(InvalidPositionException &e)
2550 derr_server<<"Error while setting sign text: "
2551 "block not found"<<std::endl;
2555 MapBlockObject *obj = block->getObject(id);
2558 derr_server<<"Error while setting sign text: "
2559 "object not found"<<std::endl;
2563 if(obj->getTypeId() != MAPBLOCKOBJECT_TYPE_SIGN)
2565 derr_server<<"Error while setting sign text: "
2566 "object is not a sign"<<std::endl;
2570 ((SignObject*)obj)->setText(text);
2572 obj->getBlock()->setChangedFlag();
2574 else if(command == TOSERVER_SIGNNODETEXT)
2582 std::string datastring((char*)&data[2], datasize-2);
2583 std::istringstream is(datastring, std::ios_base::binary);
2586 is.read((char*)buf, 6);
2587 v3s16 p = readV3S16(buf);
2588 is.read((char*)buf, 2);
2589 u16 textlen = readU16(buf);
2591 for(u16 i=0; i<textlen; i++)
2593 is.read((char*)buf, 1);
2594 text += (char)buf[0];
2597 NodeMetadata *meta = m_env.getMap().getNodeMetadata(p);
2600 if(meta->typeId() != CONTENT_SIGN_WALL)
2602 SignNodeMetadata *signmeta = (SignNodeMetadata*)meta;
2603 signmeta->setText(text);
2605 v3s16 blockpos = getNodeBlockPos(p);
2606 MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(blockpos);
2609 block->setChangedFlag();
2612 for(core::map<u16, RemoteClient*>::Iterator
2613 i = m_clients.getIterator();
2614 i.atEnd()==false; i++)
2616 RemoteClient *client = i.getNode()->getValue();
2617 client->SetBlockNotSent(blockpos);
2620 else if(command == TOSERVER_INVENTORY_ACTION)
2622 /*// Ignore inventory changes if in creative mode
2623 if(g_settings.getBool("creative_mode") == true)
2625 dstream<<"TOSERVER_INVENTORY_ACTION: ignoring in creative mode"
2629 // Strip command and create a stream
2630 std::string datastring((char*)&data[2], datasize-2);
2631 dstream<<"TOSERVER_INVENTORY_ACTION: data="<<datastring<<std::endl;
2632 std::istringstream is(datastring, std::ios_base::binary);
2634 InventoryAction *a = InventoryAction::deSerialize(is);
2639 c.current_player = player;
2642 Handle craftresult specially if not in creative mode
2644 bool disable_action = false;
2645 if(a->getType() == IACTION_MOVE
2646 && g_settings.getBool("creative_mode") == false)
2648 IMoveAction *ma = (IMoveAction*)a;
2649 if(ma->to_inv == "current_player" &&
2650 ma->from_inv == "current_player")
2652 // Don't allow moving anything to craftresult
2653 if(ma->to_list == "craftresult")
2656 disable_action = true;
2658 // When something is removed from craftresult
2659 if(ma->from_list == "craftresult")
2661 disable_action = true;
2662 // Remove stuff from craft
2663 InventoryList *clist = player->inventory.getList("craft");
2666 u16 count = ma->count;
2669 clist->decrementMaterials(count);
2672 // Feed action to player inventory
2673 //a->apply(&player->inventory);
2677 // If something appeared in craftresult, throw it
2679 InventoryList *rlist = player->inventory.getList("craftresult");
2680 InventoryList *mlist = player->inventory.getList("main");
2681 if(rlist && mlist && rlist->getUsedSlots() == 1)
2683 InventoryItem *item1 = rlist->changeItem(0, NULL);
2684 mlist->addItem(item1);
2690 if(disable_action == false)
2692 // Feed action to player inventory
2693 //a->apply(&player->inventory);
2701 SendInventory(player->peer_id);
2706 dstream<<"TOSERVER_INVENTORY_ACTION: "
2707 <<"InventoryAction::deSerialize() returned NULL"
2711 else if(command == TOSERVER_CHAT_MESSAGE)
2719 std::string datastring((char*)&data[2], datasize-2);
2720 std::istringstream is(datastring, std::ios_base::binary);
2723 is.read((char*)buf, 2);
2724 u16 len = readU16(buf);
2726 std::wstring message;
2727 for(u16 i=0; i<len; i++)
2729 is.read((char*)buf, 2);
2730 message += (wchar_t)readU16(buf);
2733 // Get player name of this client
2734 std::wstring name = narrow_to_wide(player->getName());
2736 // Line to send to players
2738 // Whether to send to the player that sent the line
2739 bool send_to_sender = false;
2740 // Whether to send to other players
2741 bool send_to_others = false;
2744 std::wstring commandprefix = L"/#";
2745 if(message.substr(0, commandprefix.size()) == commandprefix)
2747 line += L"Server: ";
2749 message = message.substr(commandprefix.size());
2750 // Get player name as narrow string
2751 std::string name_s = player->getName();
2752 // Convert message to narrow string
2753 std::string message_s = wide_to_narrow(message);
2754 // Operator is the single name defined in config.
2755 std::string operator_name = g_settings.get("name");
2756 bool is_operator = (operator_name != "" &&
2757 wide_to_narrow(name) == operator_name);
2758 bool valid_command = false;
2759 if(message_s == "help")
2761 line += L"-!- Available commands: ";
2765 line += L"shutdown setting ";
2770 send_to_sender = true;
2771 valid_command = true;
2773 else if(message_s == "status")
2775 line = getStatusString();
2776 send_to_sender = true;
2777 valid_command = true;
2779 else if(is_operator)
2781 if(message_s == "shutdown")
2783 dstream<<DTIME<<" Server: Operator requested shutdown."
2785 m_shutdown_requested.set(true);
2787 line += L"*** Server shutting down (operator request)";
2788 send_to_sender = true;
2789 valid_command = true;
2791 else if(message_s.substr(0,8) == "setting ")
2793 std::string confline = message_s.substr(8);
2794 g_settings.parseConfigLine(confline);
2795 line += L"-!- Setting changed.";
2796 send_to_sender = true;
2797 valid_command = true;
2801 if(valid_command == false)
2803 line += L"-!- Invalid command: " + message;
2804 send_to_sender = true;
2815 send_to_others = true;
2820 dstream<<"CHAT: "<<wide_to_narrow(line)<<std::endl;
2823 Send the message to clients
2825 for(core::map<u16, RemoteClient*>::Iterator
2826 i = m_clients.getIterator();
2827 i.atEnd() == false; i++)
2829 // Get client and check that it is valid
2830 RemoteClient *client = i.getNode()->getValue();
2831 assert(client->peer_id == i.getNode()->getKey());
2832 if(client->serialization_version == SER_FMT_VER_INVALID)
2836 bool sender_selected = (peer_id == client->peer_id);
2837 if(sender_selected == true && send_to_sender == false)
2839 if(sender_selected == false && send_to_others == false)
2842 SendChatMessage(client->peer_id, line);
2848 derr_server<<"WARNING: Server::ProcessData(): Ignoring "
2849 "unknown command "<<command<<std::endl;
2853 catch(SendFailedException &e)
2855 derr_server<<"Server::ProcessData(): SendFailedException: "
2861 void Server::onMapEditEvent(MapEditEvent *event)
2863 dstream<<"Server::onMapEditEvent()"<<std::endl;
2864 if(m_ignore_map_edit_events)
2866 MapEditEvent *e = event->clone();
2867 m_unsent_map_edit_queue.push_back(e);
2870 Inventory* Server::getInventory(InventoryContext *c, std::string id)
2872 if(id == "current_player")
2874 assert(c->current_player);
2875 return &(c->current_player->inventory);
2879 std::string id0 = fn.next(":");
2881 if(id0 == "nodemeta")
2884 p.X = stoi(fn.next(","));
2885 p.Y = stoi(fn.next(","));
2886 p.Z = stoi(fn.next(","));
2887 NodeMetadata *meta = m_env.getMap().getNodeMetadata(p);
2889 return meta->getInventory();
2890 dstream<<"nodemeta at ("<<p.X<<","<<p.Y<<","<<p.Z<<"): "
2891 <<"no metadata found"<<std::endl;
2895 dstream<<__FUNCTION_NAME<<": unknown id "<<id<<std::endl;
2898 void Server::inventoryModified(InventoryContext *c, std::string id)
2900 if(id == "current_player")
2902 assert(c->current_player);
2904 SendInventory(c->current_player->peer_id);
2909 std::string id0 = fn.next(":");
2911 if(id0 == "nodemeta")
2914 p.X = stoi(fn.next(","));
2915 p.Y = stoi(fn.next(","));
2916 p.Z = stoi(fn.next(","));
2917 v3s16 blockpos = getNodeBlockPos(p);
2919 NodeMetadata *meta = m_env.getMap().getNodeMetadata(p);
2921 meta->inventoryModified();
2923 for(core::map<u16, RemoteClient*>::Iterator
2924 i = m_clients.getIterator();
2925 i.atEnd()==false; i++)
2927 RemoteClient *client = i.getNode()->getValue();
2928 client->SetBlockNotSent(blockpos);
2934 dstream<<__FUNCTION_NAME<<": unknown id "<<id<<std::endl;
2937 core::list<PlayerInfo> Server::getPlayerInfo()
2939 DSTACK(__FUNCTION_NAME);
2940 JMutexAutoLock envlock(m_env_mutex);
2941 JMutexAutoLock conlock(m_con_mutex);
2943 core::list<PlayerInfo> list;
2945 core::list<Player*> players = m_env.getPlayers();
2947 core::list<Player*>::Iterator i;
2948 for(i = players.begin();
2949 i != players.end(); i++)
2953 Player *player = *i;
2956 con::Peer *peer = m_con.GetPeer(player->peer_id);
2957 // Copy info from peer to info struct
2959 info.address = peer->address;
2960 info.avg_rtt = peer->avg_rtt;
2962 catch(con::PeerNotFoundException &e)
2964 // Set dummy peer info
2966 info.address = Address(0,0,0,0,0);
2970 snprintf(info.name, PLAYERNAME_SIZE, "%s", player->getName());
2971 info.position = player->getPosition();
2973 list.push_back(info);
2980 void Server::peerAdded(con::Peer *peer)
2982 DSTACK(__FUNCTION_NAME);
2983 dout_server<<"Server::peerAdded(): peer->id="
2984 <<peer->id<<std::endl;
2987 c.type = PEER_ADDED;
2988 c.peer_id = peer->id;
2990 m_peer_change_queue.push_back(c);
2993 void Server::deletingPeer(con::Peer *peer, bool timeout)
2995 DSTACK(__FUNCTION_NAME);
2996 dout_server<<"Server::deletingPeer(): peer->id="
2997 <<peer->id<<", timeout="<<timeout<<std::endl;
3000 c.type = PEER_REMOVED;
3001 c.peer_id = peer->id;
3002 c.timeout = timeout;
3003 m_peer_change_queue.push_back(c);
3006 void Server::SendObjectData(float dtime)
3008 DSTACK(__FUNCTION_NAME);
3010 core::map<v3s16, bool> stepped_blocks;
3012 for(core::map<u16, RemoteClient*>::Iterator
3013 i = m_clients.getIterator();
3014 i.atEnd() == false; i++)
3016 u16 peer_id = i.getNode()->getKey();
3017 RemoteClient *client = i.getNode()->getValue();
3018 assert(client->peer_id == peer_id);
3020 if(client->serialization_version == SER_FMT_VER_INVALID)
3023 client->SendObjectData(this, dtime, stepped_blocks);
3027 void Server::SendPlayerInfos()
3029 DSTACK(__FUNCTION_NAME);
3031 //JMutexAutoLock envlock(m_env_mutex);
3033 // Get connected players
3034 core::list<Player*> players = m_env.getPlayers(true);
3036 u32 player_count = players.getSize();
3037 u32 datasize = 2+(2+PLAYERNAME_SIZE)*player_count;
3039 SharedBuffer<u8> data(datasize);
3040 writeU16(&data[0], TOCLIENT_PLAYERINFO);
3043 core::list<Player*>::Iterator i;
3044 for(i = players.begin();
3045 i != players.end(); i++)
3047 Player *player = *i;
3049 /*dstream<<"Server sending player info for player with "
3050 "peer_id="<<player->peer_id<<std::endl;*/
3052 writeU16(&data[start], player->peer_id);
3053 memset((char*)&data[start+2], 0, PLAYERNAME_SIZE);
3054 snprintf((char*)&data[start+2], PLAYERNAME_SIZE, "%s", player->getName());
3055 start += 2+PLAYERNAME_SIZE;
3058 //JMutexAutoLock conlock(m_con_mutex);
3061 m_con.SendToAll(0, data, true);
3064 void Server::SendInventory(u16 peer_id)
3066 DSTACK(__FUNCTION_NAME);
3068 Player* player = m_env.getPlayer(peer_id);
3071 Calculate crafting stuff
3073 if(g_settings.getBool("creative_mode") == false)
3075 InventoryList *clist = player->inventory.getList("craft");
3076 InventoryList *rlist = player->inventory.getList("craftresult");
3079 rlist->clearItems();
3083 InventoryItem *items[9];
3084 for(u16 i=0; i<9; i++)
3086 items[i] = clist->getItem(i);
3095 specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_TREE);
3096 if(checkItemCombination(items, specs))
3098 rlist->addItem(new MaterialItem(CONTENT_WOOD, 4));
3107 specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
3108 if(checkItemCombination(items, specs))
3110 rlist->addItem(new CraftItem("Stick", 4));
3119 specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
3120 specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
3121 specs[2] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
3122 specs[3] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
3123 specs[4] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
3124 specs[5] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
3125 specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
3126 if(checkItemCombination(items, specs))
3128 //rlist->addItem(new MapBlockObjectItem("Sign"));
3129 rlist->addItem(new MaterialItem(CONTENT_SIGN_WALL, 1));
3138 specs[0] = ItemSpec(ITEM_CRAFT, "lump_of_coal");
3139 specs[3] = ItemSpec(ITEM_CRAFT, "Stick");
3140 if(checkItemCombination(items, specs))
3142 rlist->addItem(new MaterialItem(CONTENT_TORCH, 4));
3151 specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
3152 specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
3153 specs[2] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
3154 specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
3155 specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
3156 if(checkItemCombination(items, specs))
3158 rlist->addItem(new ToolItem("WPick", 0));
3167 specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
3168 specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
3169 specs[2] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
3170 specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
3171 specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
3172 if(checkItemCombination(items, specs))
3174 rlist->addItem(new ToolItem("STPick", 0));
3183 specs[0] = ItemSpec(ITEM_CRAFT, "steel_ingot");
3184 specs[1] = ItemSpec(ITEM_CRAFT, "steel_ingot");
3185 specs[2] = ItemSpec(ITEM_CRAFT, "steel_ingot");
3186 specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
3187 specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
3188 if(checkItemCombination(items, specs))
3190 rlist->addItem(new ToolItem("SteelPick", 0));
3199 specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_MESE);
3200 specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_MESE);
3201 specs[2] = ItemSpec(ITEM_MATERIAL, CONTENT_MESE);
3202 specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
3203 specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
3204 if(checkItemCombination(items, specs))
3206 rlist->addItem(new ToolItem("MesePick", 0));
3215 specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
3216 specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
3217 specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
3218 if(checkItemCombination(items, specs))
3220 rlist->addItem(new ToolItem("WShovel", 0));
3229 specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
3230 specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
3231 specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
3232 if(checkItemCombination(items, specs))
3234 rlist->addItem(new ToolItem("STShovel", 0));
3243 specs[1] = ItemSpec(ITEM_CRAFT, "steel_ingot");
3244 specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
3245 specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
3246 if(checkItemCombination(items, specs))
3248 rlist->addItem(new ToolItem("SteelShovel", 0));
3257 specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
3258 specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
3259 specs[3] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
3260 specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
3261 specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
3262 if(checkItemCombination(items, specs))
3264 rlist->addItem(new ToolItem("WAxe", 0));
3273 specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
3274 specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
3275 specs[3] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
3276 specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
3277 specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
3278 if(checkItemCombination(items, specs))
3280 rlist->addItem(new ToolItem("STAxe", 0));
3289 specs[0] = ItemSpec(ITEM_CRAFT, "steel_ingot");
3290 specs[1] = ItemSpec(ITEM_CRAFT, "steel_ingot");
3291 specs[3] = ItemSpec(ITEM_CRAFT, "steel_ingot");
3292 specs[4] = ItemSpec(ITEM_CRAFT, "Stick");
3293 specs[7] = ItemSpec(ITEM_CRAFT, "Stick");
3294 if(checkItemCombination(items, specs))
3296 rlist->addItem(new ToolItem("SteelAxe", 0));
3305 specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
3306 specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
3307 specs[2] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
3308 specs[3] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
3309 specs[5] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
3310 specs[6] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
3311 specs[7] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
3312 specs[8] = ItemSpec(ITEM_MATERIAL, CONTENT_WOOD);
3313 if(checkItemCombination(items, specs))
3315 rlist->addItem(new MaterialItem(CONTENT_CHEST, 1));
3324 specs[0] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
3325 specs[1] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
3326 specs[2] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
3327 specs[3] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
3328 specs[5] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
3329 specs[6] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
3330 specs[7] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
3331 specs[8] = ItemSpec(ITEM_MATERIAL, CONTENT_COBBLE);
3332 if(checkItemCombination(items, specs))
3334 rlist->addItem(new MaterialItem(CONTENT_FURNACE, 1));
3343 specs[0] = ItemSpec(ITEM_CRAFT, "steel_ingot");
3344 specs[1] = ItemSpec(ITEM_CRAFT, "steel_ingot");
3345 specs[2] = ItemSpec(ITEM_CRAFT, "steel_ingot");
3346 specs[3] = ItemSpec(ITEM_CRAFT, "steel_ingot");
3347 specs[4] = ItemSpec(ITEM_CRAFT, "steel_ingot");
3348 specs[5] = ItemSpec(ITEM_CRAFT, "steel_ingot");
3349 specs[6] = ItemSpec(ITEM_CRAFT, "steel_ingot");
3350 specs[7] = ItemSpec(ITEM_CRAFT, "steel_ingot");
3351 specs[8] = ItemSpec(ITEM_CRAFT, "steel_ingot");
3352 if(checkItemCombination(items, specs))
3354 rlist->addItem(new MaterialItem(CONTENT_STEEL, 1));
3360 } // if creative_mode == false
3366 std::ostringstream os;
3367 //os.imbue(std::locale("C"));
3369 player->inventory.serialize(os);
3371 std::string s = os.str();
3373 SharedBuffer<u8> data(s.size()+2);
3374 writeU16(&data[0], TOCLIENT_INVENTORY);
3375 memcpy(&data[2], s.c_str(), s.size());
3378 m_con.Send(peer_id, 0, data, true);
3381 void Server::SendChatMessage(u16 peer_id, const std::wstring &message)
3383 DSTACK(__FUNCTION_NAME);
3385 std::ostringstream os(std::ios_base::binary);
3389 writeU16(buf, TOCLIENT_CHAT_MESSAGE);
3390 os.write((char*)buf, 2);
3393 writeU16(buf, message.size());
3394 os.write((char*)buf, 2);
3397 for(u32 i=0; i<message.size(); i++)
3401 os.write((char*)buf, 2);
3405 std::string s = os.str();
3406 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3408 m_con.Send(peer_id, 0, data, true);
3411 void Server::BroadcastChatMessage(const std::wstring &message)
3413 for(core::map<u16, RemoteClient*>::Iterator
3414 i = m_clients.getIterator();
3415 i.atEnd() == false; i++)
3417 // Get client and check that it is valid
3418 RemoteClient *client = i.getNode()->getValue();
3419 assert(client->peer_id == i.getNode()->getKey());
3420 if(client->serialization_version == SER_FMT_VER_INVALID)
3423 SendChatMessage(client->peer_id, message);
3427 void Server::sendRemoveNode(v3s16 p, u16 ignore_id,
3428 core::list<u16> *far_players, float far_d_nodes)
3430 float maxd = far_d_nodes*BS;
3431 v3f p_f = intToFloat(p, BS);
3435 SharedBuffer<u8> reply(replysize);
3436 writeU16(&reply[0], TOCLIENT_REMOVENODE);
3437 writeS16(&reply[2], p.X);
3438 writeS16(&reply[4], p.Y);
3439 writeS16(&reply[6], p.Z);
3441 for(core::map<u16, RemoteClient*>::Iterator
3442 i = m_clients.getIterator();
3443 i.atEnd() == false; i++)
3445 // Get client and check that it is valid
3446 RemoteClient *client = i.getNode()->getValue();
3447 assert(client->peer_id == i.getNode()->getKey());
3448 if(client->serialization_version == SER_FMT_VER_INVALID)
3451 // Don't send if it's the same one
3452 if(client->peer_id == ignore_id)
3458 Player *player = m_env.getPlayer(client->peer_id);
3461 // If player is far away, only set modified blocks not sent
3462 v3f player_pos = player->getPosition();
3463 if(player_pos.getDistanceFrom(p_f) > maxd)
3465 far_players->push_back(client->peer_id);
3472 m_con.Send(client->peer_id, 0, reply, true);
3476 void Server::sendAddNode(v3s16 p, MapNode n, u16 ignore_id,
3477 core::list<u16> *far_players, float far_d_nodes)
3479 float maxd = far_d_nodes*BS;
3480 v3f p_f = intToFloat(p, BS);
3482 for(core::map<u16, RemoteClient*>::Iterator
3483 i = m_clients.getIterator();
3484 i.atEnd() == false; i++)
3486 // Get client and check that it is valid
3487 RemoteClient *client = i.getNode()->getValue();
3488 assert(client->peer_id == i.getNode()->getKey());
3489 if(client->serialization_version == SER_FMT_VER_INVALID)
3492 // Don't send if it's the same one
3493 if(client->peer_id == ignore_id)
3499 Player *player = m_env.getPlayer(client->peer_id);
3502 // If player is far away, only set modified blocks not sent
3503 v3f player_pos = player->getPosition();
3504 if(player_pos.getDistanceFrom(p_f) > maxd)
3506 far_players->push_back(client->peer_id);
3513 u32 replysize = 8 + MapNode::serializedLength(client->serialization_version);
3514 SharedBuffer<u8> reply(replysize);
3515 writeU16(&reply[0], TOCLIENT_ADDNODE);
3516 writeS16(&reply[2], p.X);
3517 writeS16(&reply[4], p.Y);
3518 writeS16(&reply[6], p.Z);
3519 n.serialize(&reply[8], client->serialization_version);
3522 m_con.Send(client->peer_id, 0, reply, true);
3526 void Server::SendBlockNoLock(u16 peer_id, MapBlock *block, u8 ver)
3528 DSTACK(__FUNCTION_NAME);
3530 Create a packet with the block in the right format
3533 std::ostringstream os(std::ios_base::binary);
3534 block->serialize(os, ver);
3535 std::string s = os.str();
3536 SharedBuffer<u8> blockdata((u8*)s.c_str(), s.size());
3538 u32 replysize = 8 + blockdata.getSize();
3539 SharedBuffer<u8> reply(replysize);
3540 v3s16 p = block->getPos();
3541 writeU16(&reply[0], TOCLIENT_BLOCKDATA);
3542 writeS16(&reply[2], p.X);
3543 writeS16(&reply[4], p.Y);
3544 writeS16(&reply[6], p.Z);
3545 memcpy(&reply[8], *blockdata, blockdata.getSize());
3547 /*dstream<<"Sending block ("<<p.X<<","<<p.Y<<","<<p.Z<<")"
3548 <<": \tpacket size: "<<replysize<<std::endl;*/
3553 m_con.Send(peer_id, 1, reply, true);
3556 void Server::SendBlocks(float dtime)
3558 DSTACK(__FUNCTION_NAME);
3560 JMutexAutoLock envlock(m_env_mutex);
3561 JMutexAutoLock conlock(m_con_mutex);
3563 //TimeTaker timer("Server::SendBlocks");
3565 core::array<PrioritySortedBlockTransfer> queue;
3567 s32 total_sending = 0;
3569 for(core::map<u16, RemoteClient*>::Iterator
3570 i = m_clients.getIterator();
3571 i.atEnd() == false; i++)
3573 RemoteClient *client = i.getNode()->getValue();
3574 assert(client->peer_id == i.getNode()->getKey());
3576 total_sending += client->SendingCount();
3578 if(client->serialization_version == SER_FMT_VER_INVALID)
3581 client->GetNextBlocks(this, dtime, queue);
3585 // Lowest priority number comes first.
3586 // Lowest is most important.
3589 for(u32 i=0; i<queue.size(); i++)
3591 //TODO: Calculate limit dynamically
3592 if(total_sending >= g_settings.getS32
3593 ("max_simultaneous_block_sends_server_total"))
3596 PrioritySortedBlockTransfer q = queue[i];
3598 MapBlock *block = NULL;
3601 block = m_env.getMap().getBlockNoCreate(q.pos);
3603 catch(InvalidPositionException &e)
3608 RemoteClient *client = getClient(q.peer_id);
3610 SendBlockNoLock(q.peer_id, block, client->serialization_version);
3612 client->SentBlock(q.pos);
3619 RemoteClient* Server::getClient(u16 peer_id)
3621 DSTACK(__FUNCTION_NAME);
3622 //JMutexAutoLock lock(m_con_mutex);
3623 core::map<u16, RemoteClient*>::Node *n;
3624 n = m_clients.find(peer_id);
3625 // A client should exist for all peers
3627 return n->getValue();
3630 std::wstring Server::getStatusString()
3632 std::wostringstream os(std::ios_base::binary);
3635 os<<L"uptime="<<m_uptime.get();
3636 // Information about clients
3638 for(core::map<u16, RemoteClient*>::Iterator
3639 i = m_clients.getIterator();
3640 i.atEnd() == false; i++)
3642 // Get client and check that it is valid
3643 RemoteClient *client = i.getNode()->getValue();
3644 assert(client->peer_id == i.getNode()->getKey());
3645 if(client->serialization_version == SER_FMT_VER_INVALID)
3648 Player *player = m_env.getPlayer(client->peer_id);
3649 // Get name of player
3650 std::wstring name = L"unknown";
3652 name = narrow_to_wide(player->getName());
3653 // Add name to information string
3657 if(((ServerMap*)(&m_env.getMap()))->isSavingEnabled() == false)
3658 os<<" WARNING: Map saving is disabled."<<std::endl;
3663 void setCreativeInventory(Player *player)
3665 player->resetInventory();
3667 // Give some good picks
3669 InventoryItem *item = new ToolItem("STPick", 0);
3670 void* r = player->inventory.addItem("main", item);
3674 InventoryItem *item = new ToolItem("MesePick", 0);
3675 void* r = player->inventory.addItem("main", item);
3683 // CONTENT_IGNORE-terminated list
3684 u8 material_items[] = {
3693 CONTENT_WATERSOURCE,
3701 u8 *mip = material_items;
3702 for(u16 i=0; i<PLAYER_INVENTORY_SIZE; i++)
3704 if(*mip == CONTENT_IGNORE)
3707 InventoryItem *item = new MaterialItem(*mip, 1);
3708 player->inventory.addItem("main", item);
3714 assert(USEFUL_CONTENT_COUNT <= PLAYER_INVENTORY_SIZE);
3717 InventoryItem *item = new MaterialItem(CONTENT_TORCH, 1);
3718 player->inventory.addItem("main", item);
3721 for(u16 i=0; i<USEFUL_CONTENT_COUNT; i++)
3723 // Skip some materials
3724 if(i == CONTENT_WATER || i == CONTENT_TORCH
3725 || i == CONTENT_COALSTONE)
3728 InventoryItem *item = new MaterialItem(i, 1);
3729 player->inventory.addItem("main", item);
3735 InventoryItem *item = new MapBlockObjectItem("Sign Example text");
3736 void* r = player->inventory.addItem("main", item);
3741 Player *Server::emergePlayer(const char *name, const char *password,
3745 Try to get an existing player
3747 Player *player = m_env.getPlayer(name);
3750 // If player is already connected, cancel
3751 if(player->peer_id != 0)
3753 dstream<<"emergePlayer(): Player already connected"<<std::endl;
3758 player->peer_id = peer_id;
3760 // Reset inventory to creative if in creative mode
3761 if(g_settings.getBool("creative_mode"))
3763 setCreativeInventory(player);
3770 If player with the wanted peer_id already exists, cancel.
3772 if(m_env.getPlayer(peer_id) != NULL)
3774 dstream<<"emergePlayer(): Player with wrong name but same"
3775 " peer_id already exists"<<std::endl;
3783 player = new ServerRemotePlayer();
3784 //player->peer_id = c.peer_id;
3785 //player->peer_id = PEER_ID_INEXISTENT;
3786 player->peer_id = peer_id;
3787 player->updateName(name);
3793 dstream<<"Server: Finding spawn place for player \""
3794 <<player->getName()<<"\""<<std::endl;
3798 player->setPosition(intToFloat(v3s16(
3805 s16 groundheight = 0;
3807 // Try to find a good place a few times
3808 for(s32 i=0; i<1000; i++)
3811 // We're going to try to throw the player to this position
3812 nodepos = v2s16(-range + (myrand()%(range*2)),
3813 -range + (myrand()%(range*2)));
3814 v2s16 sectorpos = getNodeSectorPos(nodepos);
3815 // Get sector (NOTE: Don't get because it's slow)
3816 //m_env.getMap().emergeSector(sectorpos);
3817 // Get ground height at point (fallbacks to heightmap function)
3818 groundheight = m_env.getServerMap().findGroundLevel(nodepos);
3819 // Don't go underwater
3820 if(groundheight < WATER_LEVEL)
3822 //dstream<<"-> Underwater"<<std::endl;
3825 // Don't go to high places
3826 if(groundheight > WATER_LEVEL + 4)
3828 //dstream<<"-> Underwater"<<std::endl;
3832 // Found a good place
3833 dstream<<"Searched through "<<i<<" places."<<std::endl;
3838 // If no suitable place was not found, go above water at least.
3839 if(groundheight < WATER_LEVEL)
3840 groundheight = WATER_LEVEL;
3842 player->setPosition(intToFloat(v3s16(
3844 groundheight + 5, // Accomodate mud
3850 Add player to environment
3853 m_env.addPlayer(player);
3856 Add stuff to inventory
3859 if(g_settings.getBool("creative_mode"))
3861 setCreativeInventory(player);
3866 InventoryItem *item = new ToolItem("WPick", 32000);
3867 void* r = player->inventory.addItem("main", item);
3871 InventoryItem *item = new MaterialItem(CONTENT_MESE, 6);
3872 void* r = player->inventory.addItem("main", item);
3876 InventoryItem *item = new MaterialItem(CONTENT_COALSTONE, 6);
3877 void* r = player->inventory.addItem("main", item);
3881 InventoryItem *item = new MaterialItem(CONTENT_WOOD, 6);
3882 void* r = player->inventory.addItem("main", item);
3886 InventoryItem *item = new CraftItem("Stick", 4);
3887 void* r = player->inventory.addItem("main", item);
3891 InventoryItem *item = new ToolItem("WPick", 32000);
3892 void* r = player->inventory.addItem("main", item);
3896 InventoryItem *item = new ToolItem("STPick", 32000);
3897 void* r = player->inventory.addItem("main", item);
3900 /*// Give some lights
3902 InventoryItem *item = new MaterialItem(CONTENT_TORCH, 999);
3903 bool r = player->inventory.addItem("main", item);
3907 for(u16 i=0; i<4; i++)
3909 InventoryItem *item = new MapBlockObjectItem("Sign Example text");
3910 bool r = player->inventory.addItem("main", item);
3913 /*// Give some other stuff
3915 InventoryItem *item = new MaterialItem(CONTENT_TREE, 999);
3916 bool r = player->inventory.addItem("main", item);
3923 } // create new player
3926 void Server::handlePeerChange(PeerChange &c)
3928 JMutexAutoLock envlock(m_env_mutex);
3929 JMutexAutoLock conlock(m_con_mutex);
3931 if(c.type == PEER_ADDED)
3938 core::map<u16, RemoteClient*>::Node *n;
3939 n = m_clients.find(c.peer_id);
3940 // The client shouldn't already exist
3944 RemoteClient *client = new RemoteClient();
3945 client->peer_id = c.peer_id;
3946 m_clients.insert(client->peer_id, client);
3949 else if(c.type == PEER_REMOVED)
3956 core::map<u16, RemoteClient*>::Node *n;
3957 n = m_clients.find(c.peer_id);
3958 // The client should exist
3961 // Collect information about leaving in chat
3962 std::wstring message;
3964 std::wstring name = L"unknown";
3965 Player *player = m_env.getPlayer(c.peer_id);
3967 name = narrow_to_wide(player->getName());
3971 message += L" left game";
3973 message += L" (timed out)";
3978 m_env.removePlayer(c.peer_id);
3981 // Set player client disconnected
3983 Player *player = m_env.getPlayer(c.peer_id);
3985 player->peer_id = 0;
3989 delete m_clients[c.peer_id];
3990 m_clients.remove(c.peer_id);
3992 // Send player info to all remaining clients
3995 // Send leave chat message to all remaining clients
3996 BroadcastChatMessage(message);
4005 void Server::handlePeerChanges()
4007 while(m_peer_change_queue.size() > 0)
4009 PeerChange c = m_peer_change_queue.pop_front();
4011 dout_server<<"Server: Handling peer change: "
4012 <<"id="<<c.peer_id<<", timeout="<<c.timeout
4015 handlePeerChange(c);
4019 void dedicated_server_loop(Server &server, bool &kill)
4021 DSTACK(__FUNCTION_NAME);
4023 std::cout<<DTIME<<std::endl;
4024 std::cout<<"========================"<<std::endl;
4025 std::cout<<"Running dedicated server"<<std::endl;
4026 std::cout<<"========================"<<std::endl;
4027 std::cout<<std::endl;
4031 // This is kind of a hack but can be done like this
4032 // because server.step() is very light
4036 if(server.getShutdownRequested() || kill)
4038 std::cout<<DTIME<<" dedicated_server_loop(): Quitting."<<std::endl;
4042 static int counter = 0;
4048 core::list<PlayerInfo> list = server.getPlayerInfo();
4049 core::list<PlayerInfo>::Iterator i;
4050 static u32 sum_old = 0;
4051 u32 sum = PIChecksum(list);
4054 std::cout<<DTIME<<"Player info:"<<std::endl;
4055 for(i=list.begin(); i!=list.end(); i++)
4057 i->PrintLine(&std::cout);