3 Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23 #include "clientserver.h"
25 #include "jmutexautolock.h"
27 #include "constants.h"
30 #include "servercommand.h"
33 #include "serverobject.h"
38 #include "scriptapi.h"
43 #include "content_mapnode.h"
44 #include "content_nodemeta.h"
45 #include "content_abm.h"
46 #include "content_sao.h"
51 #include "sound.h" // dummySoundManager
52 #include "event_manager.h"
54 #include "util/string.h"
55 #include "util/pointedthing.h"
57 #define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
59 #define BLOCK_EMERGE_FLAG_FROMDISK (1<<0)
61 class MapEditEventIgnorer
64 MapEditEventIgnorer(bool *flag):
73 ~MapEditEventIgnorer()
86 class MapEditEventAreaIgnorer
89 MapEditEventAreaIgnorer(VoxelArea *ignorevariable, const VoxelArea &a):
90 m_ignorevariable(ignorevariable)
92 if(m_ignorevariable->getVolume() == 0)
93 *m_ignorevariable = a;
95 m_ignorevariable = NULL;
98 ~MapEditEventAreaIgnorer()
102 assert(m_ignorevariable->getVolume() != 0);
103 *m_ignorevariable = VoxelArea();
108 VoxelArea *m_ignorevariable;
111 void * ServerThread::Thread()
115 log_register_thread("ServerThread");
117 DSTACK(__FUNCTION_NAME);
119 BEGIN_DEBUG_EXCEPTION_HANDLER
124 //TimeTaker timer("AsyncRunStep() + Receive()");
127 //TimeTaker timer("AsyncRunStep()");
128 m_server->AsyncRunStep();
131 //infostream<<"Running m_server->Receive()"<<std::endl;
134 catch(con::NoIncomingDataException &e)
137 catch(con::PeerNotFoundException &e)
139 infostream<<"Server: PeerNotFoundException"<<std::endl;
141 catch(con::ConnectionBindFailed &e)
143 m_server->setAsyncFatalError(e.what());
147 m_server->setAsyncFatalError(e.what());
151 END_DEBUG_EXCEPTION_HANDLER(errorstream)
156 void * EmergeThread::Thread()
160 log_register_thread("EmergeThread");
162 DSTACK(__FUNCTION_NAME);
164 BEGIN_DEBUG_EXCEPTION_HANDLER
166 bool enable_mapgen_debug_info = g_settings->getBool("enable_mapgen_debug_info");
168 v3s16 last_tried_pos(-32768,-32768,-32768); // For error output
171 Get block info from queue, emerge them and send them
174 After queue is empty, exit.
178 QueuedBlockEmerge *qptr = m_server->m_emerge_queue.pop();
182 SharedPtr<QueuedBlockEmerge> q(qptr);
190 Do not generate over-limit
192 if(blockpos_over_limit(p))
195 //infostream<<"EmergeThread::Thread(): running"<<std::endl;
197 //TimeTaker timer("block emerge");
200 Try to emerge it from somewhere.
202 If it is only wanted as optional, only loading from disk
207 Check if any peer wants it as non-optional. In that case it
210 Also decrement the emerge queue count in clients.
213 bool only_from_disk = true;
216 core::map<u16, u8>::Iterator i;
217 for(i=q->peer_ids.getIterator(); i.atEnd()==false; i++)
219 //u16 peer_id = i.getNode()->getKey();
222 u8 flags = i.getNode()->getValue();
223 if((flags & BLOCK_EMERGE_FLAG_FROMDISK) == false)
224 only_from_disk = false;
229 if(enable_mapgen_debug_info)
230 infostream<<"EmergeThread: p="
231 <<"("<<p.X<<","<<p.Y<<","<<p.Z<<") "
232 <<"only_from_disk="<<only_from_disk<<std::endl;
234 ServerMap &map = ((ServerMap&)m_server->m_env->getMap());
236 MapBlock *block = NULL;
237 bool got_block = true;
238 core::map<v3s16, MapBlock*> modified_blocks;
241 Try to fetch block from memory or disk.
242 If not found and asked to generate, initialize generator.
245 bool started_generate = false;
246 mapgen::BlockMakeData data;
249 JMutexAutoLock envlock(m_server->m_env_mutex);
251 // Load sector if it isn't loaded
252 if(map.getSectorNoGenerateNoEx(p2d) == NULL)
253 map.loadSectorMeta(p2d);
255 // Attempt to load block
256 block = map.getBlockNoCreateNoEx(p);
257 if(!block || block->isDummy() || !block->isGenerated())
259 if(enable_mapgen_debug_info)
260 infostream<<"EmergeThread: not in memory, "
261 <<"attempting to load from disk"<<std::endl;
263 block = map.loadBlock(p);
266 // If could not load and allowed to generate, start generation
267 // inside this same envlock
268 if(only_from_disk == false &&
269 (block == NULL || block->isGenerated() == false)){
270 if(enable_mapgen_debug_info)
271 infostream<<"EmergeThread: generating"<<std::endl;
272 started_generate = true;
274 map.initBlockMake(&data, p);
279 If generator was initialized, generate now when envlock is free.
284 ScopeProfiler sp(g_profiler, "EmergeThread: mapgen::make_block",
286 TimeTaker t("mapgen::make_block()");
288 mapgen::make_block(&data);
290 if(enable_mapgen_debug_info == false)
291 t.stop(true); // Hide output
295 // Lock environment again to access the map
296 JMutexAutoLock envlock(m_server->m_env_mutex);
298 ScopeProfiler sp(g_profiler, "EmergeThread: after "
299 "mapgen::make_block (envlock)", SPT_AVG);
301 // Blit data back on map, update lighting, add mobs and
302 // whatever this does
303 map.finishBlockMake(&data, modified_blocks);
306 block = map.getBlockNoCreateNoEx(p);
308 // If block doesn't exist, don't try doing anything with it
309 // This happens if the block is not in generation boundaries
314 Do some post-generate stuff
317 v3s16 minp = data.blockpos_min*MAP_BLOCKSIZE;
318 v3s16 maxp = data.blockpos_max*MAP_BLOCKSIZE +
319 v3s16(1,1,1)*(MAP_BLOCKSIZE-1);
322 Ignore map edit events, they will not need to be
323 sent to anybody because the block hasn't been sent
326 //MapEditEventIgnorer ign(&m_server->m_ignore_map_edit_events);
327 MapEditEventAreaIgnorer ign(
328 &m_server->m_ignore_map_edit_events_area,
329 VoxelArea(minp, maxp));
331 TimeTaker timer("on_generated");
332 scriptapi_environment_on_generated(m_server->m_lua,
333 minp, maxp, mapgen::get_blockseed(data.seed, minp));
334 /*int t = timer.stop(true);
335 dstream<<"on_generated took "<<t<<"ms"<<std::endl;*/
338 if(enable_mapgen_debug_info)
339 infostream<<"EmergeThread: ended up with: "
340 <<analyze_block(block)<<std::endl;
342 // Activate objects and stuff
343 m_server->m_env->activateBlock(block, 0);
351 Set sent status of modified blocks on clients
354 // NOTE: Server's clients are also behind the connection mutex
355 JMutexAutoLock lock(m_server->m_con_mutex);
358 Add the originally fetched block to the modified list
362 modified_blocks.insert(p, block);
366 Set the modified blocks unsent for all the clients
369 for(core::map<u16, RemoteClient*>::Iterator
370 i = m_server->m_clients.getIterator();
371 i.atEnd() == false; i++)
373 RemoteClient *client = i.getNode()->getValue();
375 if(modified_blocks.size() > 0)
377 // Remove block from sent history
378 client->SetBlocksNotSent(modified_blocks);
382 catch(VersionMismatchException &e)
384 std::ostringstream err;
385 err<<"World data version mismatch in MapBlock "<<PP(last_tried_pos)<<std::endl;
386 err<<"----"<<std::endl;
387 err<<"\""<<e.what()<<"\""<<std::endl;
388 err<<"See debug.txt."<<std::endl;
389 err<<"World probably saved by a newer version of Minetest."<<std::endl;
390 m_server->setAsyncFatalError(err.str());
392 catch(SerializationError &e)
394 std::ostringstream err;
395 err<<"Invalid data in MapBlock "<<PP(last_tried_pos)<<std::endl;
396 err<<"----"<<std::endl;
397 err<<"\""<<e.what()<<"\""<<std::endl;
398 err<<"See debug.txt."<<std::endl;
399 err<<"You can ignore this using [ignore_world_load_errors = true]."<<std::endl;
400 m_server->setAsyncFatalError(err.str());
403 END_DEBUG_EXCEPTION_HANDLER(errorstream)
405 log_deregister_thread();
410 v3f ServerSoundParams::getPos(ServerEnvironment *env, bool *pos_exists) const
412 if(pos_exists) *pos_exists = false;
417 if(pos_exists) *pos_exists = true;
422 ServerActiveObject *sao = env->getActiveObject(object);
425 if(pos_exists) *pos_exists = true;
426 return sao->getBasePosition(); }
431 void RemoteClient::GetNextBlocks(Server *server, float dtime,
432 core::array<PrioritySortedBlockTransfer> &dest)
434 DSTACK(__FUNCTION_NAME);
437 TimeTaker timer("RemoteClient::GetNextBlocks", &timer_result);*/
440 m_nothing_to_send_pause_timer -= dtime;
441 m_nearest_unsent_reset_timer += dtime;
443 if(m_nothing_to_send_pause_timer >= 0)
448 // Won't send anything if already sending
449 if(m_blocks_sending.size() >= g_settings->getU16
450 ("max_simultaneous_block_sends_per_client"))
452 //infostream<<"Not sending any blocks, Queue full."<<std::endl;
456 //TimeTaker timer("RemoteClient::GetNextBlocks");
458 Player *player = server->m_env->getPlayer(peer_id);
460 assert(player != NULL);
462 v3f playerpos = player->getPosition();
463 v3f playerspeed = player->getSpeed();
464 v3f playerspeeddir(0,0,0);
465 if(playerspeed.getLength() > 1.0*BS)
466 playerspeeddir = playerspeed / playerspeed.getLength();
467 // Predict to next block
468 v3f playerpos_predicted = playerpos + playerspeeddir*MAP_BLOCKSIZE*BS;
470 v3s16 center_nodepos = floatToInt(playerpos_predicted, BS);
472 v3s16 center = getNodeBlockPos(center_nodepos);
474 // Camera position and direction
475 v3f camera_pos = player->getEyePosition();
476 v3f camera_dir = v3f(0,0,1);
477 camera_dir.rotateYZBy(player->getPitch());
478 camera_dir.rotateXZBy(player->getYaw());
480 /*infostream<<"camera_dir=("<<camera_dir.X<<","<<camera_dir.Y<<","
481 <<camera_dir.Z<<")"<<std::endl;*/
484 Get the starting value of the block finder radius.
487 if(m_last_center != center)
489 m_nearest_unsent_d = 0;
490 m_last_center = center;
493 /*infostream<<"m_nearest_unsent_reset_timer="
494 <<m_nearest_unsent_reset_timer<<std::endl;*/
496 // Reset periodically to workaround for some bugs or stuff
497 if(m_nearest_unsent_reset_timer > 20.0)
499 m_nearest_unsent_reset_timer = 0;
500 m_nearest_unsent_d = 0;
501 //infostream<<"Resetting m_nearest_unsent_d for "
502 // <<server->getPlayerName(peer_id)<<std::endl;
505 //s16 last_nearest_unsent_d = m_nearest_unsent_d;
506 s16 d_start = m_nearest_unsent_d;
508 //infostream<<"d_start="<<d_start<<std::endl;
510 u16 max_simul_sends_setting = g_settings->getU16
511 ("max_simultaneous_block_sends_per_client");
512 u16 max_simul_sends_usually = max_simul_sends_setting;
515 Check the time from last addNode/removeNode.
517 Decrease send rate if player is building stuff.
519 m_time_from_building += dtime;
520 if(m_time_from_building < g_settings->getFloat(
521 "full_block_send_enable_min_time_from_building"))
523 max_simul_sends_usually
524 = LIMITED_MAX_SIMULTANEOUS_BLOCK_SENDS;
528 Number of blocks sending + number of blocks selected for sending
530 u32 num_blocks_selected = m_blocks_sending.size();
533 next time d will be continued from the d from which the nearest
534 unsent block was found this time.
536 This is because not necessarily any of the blocks found this
537 time are actually sent.
539 s32 new_nearest_unsent_d = -1;
541 s16 d_max = g_settings->getS16("max_block_send_distance");
542 s16 d_max_gen = g_settings->getS16("max_block_generate_distance");
544 // Don't loop very much at a time
545 s16 max_d_increment_at_time = 2;
546 if(d_max > d_start + max_d_increment_at_time)
547 d_max = d_start + max_d_increment_at_time;
548 /*if(d_max_gen > d_start+2)
549 d_max_gen = d_start+2;*/
551 //infostream<<"Starting from "<<d_start<<std::endl;
553 s32 nearest_emerged_d = -1;
554 s32 nearest_emergefull_d = -1;
555 s32 nearest_sent_d = -1;
556 bool queue_is_full = false;
559 for(d = d_start; d <= d_max; d++)
561 /*errorstream<<"checking d="<<d<<" for "
562 <<server->getPlayerName(peer_id)<<std::endl;*/
563 //infostream<<"RemoteClient::SendBlocks(): d="<<d<<std::endl;
566 If m_nearest_unsent_d was changed by the EmergeThread
567 (it can change it to 0 through SetBlockNotSent),
569 Else update m_nearest_unsent_d
571 /*if(m_nearest_unsent_d != last_nearest_unsent_d)
573 d = m_nearest_unsent_d;
574 last_nearest_unsent_d = m_nearest_unsent_d;
578 Get the border/face dot coordinates of a "d-radiused"
581 core::list<v3s16> list;
582 getFacePositions(list, d);
584 core::list<v3s16>::Iterator li;
585 for(li=list.begin(); li!=list.end(); li++)
587 v3s16 p = *li + center;
591 - Don't allow too many simultaneous transfers
592 - EXCEPT when the blocks are very close
594 Also, don't send blocks that are already flying.
597 // Start with the usual maximum
598 u16 max_simul_dynamic = max_simul_sends_usually;
600 // If block is very close, allow full maximum
601 if(d <= BLOCK_SEND_DISABLE_LIMITS_MAX_D)
602 max_simul_dynamic = max_simul_sends_setting;
604 // Don't select too many blocks for sending
605 if(num_blocks_selected >= max_simul_dynamic)
607 queue_is_full = true;
608 goto queue_full_break;
611 // Don't send blocks that are currently being transferred
612 if(m_blocks_sending.find(p) != NULL)
618 if(p.X < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
619 || p.X > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
620 || p.Y < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
621 || p.Y > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
622 || p.Z < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
623 || p.Z > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE)
626 // If this is true, inexistent block will be made from scratch
627 bool generate = d <= d_max_gen;
630 /*// Limit the generating area vertically to 2/3
631 if(abs(p.Y - center.Y) > d_max_gen - d_max_gen / 3)
634 // Limit the send area vertically to 1/2
635 if(abs(p.Y - center.Y) > d_max / 2)
641 If block is far away, don't generate it unless it is
647 // Block center y in nodes
648 f32 y = (f32)(p.Y * MAP_BLOCKSIZE + MAP_BLOCKSIZE/2);
649 // Don't generate if it's very high or very low
650 if(y < -64 || y > 64)
654 v2s16 p2d_nodes_center(
658 // Get ground height in nodes
659 s16 gh = server->m_env->getServerMap().findGroundLevel(
662 // If differs a lot, don't generate
663 if(fabs(gh - y) > MAP_BLOCKSIZE*2)
665 // Actually, don't even send it
671 //infostream<<"d="<<d<<std::endl;
674 Don't generate or send if not in sight
675 FIXME This only works if the client uses a small enough
676 FOV setting. The default of 72 degrees is fine.
679 float camera_fov = (72.0*M_PI/180) * 4./3.;
680 if(isBlockInSight(p, camera_pos, camera_dir, camera_fov, 10000*BS) == false)
686 Don't send already sent blocks
689 if(m_blocks_sent.find(p) != NULL)
696 Check if map has this block
698 MapBlock *block = server->m_env->getMap().getBlockNoCreateNoEx(p);
700 bool surely_not_found_on_disk = false;
701 bool block_is_invalid = false;
704 // Reset usage timer, this block will be of use in the future.
705 block->resetUsageTimer();
707 // Block is dummy if data doesn't exist.
708 // It means it has been not found from disk and not generated
711 surely_not_found_on_disk = true;
714 // Block is valid if lighting is up-to-date and data exists
715 if(block->isValid() == false)
717 block_is_invalid = true;
720 /*if(block->isFullyGenerated() == false)
722 block_is_invalid = true;
727 ServerMap *map = (ServerMap*)(&server->m_env->getMap());
728 v2s16 chunkpos = map->sector_to_chunk(p2d);
729 if(map->chunkNonVolatile(chunkpos) == false)
730 block_is_invalid = true;
732 if(block->isGenerated() == false)
733 block_is_invalid = true;
736 If block is not close, don't send it unless it is near
739 Block is near ground level if night-time mesh
740 differs from day-time mesh.
744 if(block->getDayNightDiff() == false)
751 If block has been marked to not exist on disk (dummy)
752 and generating new ones is not wanted, skip block.
754 if(generate == false && surely_not_found_on_disk == true)
761 Add inexistent block to emerge queue.
763 if(block == NULL || surely_not_found_on_disk || block_is_invalid)
765 //TODO: Get value from somewhere
766 // Allow only one block in emerge queue
767 //if(server->m_emerge_queue.peerItemCount(peer_id) < 1)
768 // Allow two blocks in queue per client
769 //if(server->m_emerge_queue.peerItemCount(peer_id) < 2)
771 // Make it more responsive when needing to generate stuff
772 if(surely_not_found_on_disk)
774 if(server->m_emerge_queue.peerItemCount(peer_id) < max_emerge)
776 //infostream<<"Adding block to emerge queue"<<std::endl;
778 // Add it to the emerge queue and trigger the thread
781 if(generate == false)
782 flags |= BLOCK_EMERGE_FLAG_FROMDISK;
784 server->m_emerge_queue.addBlock(peer_id, p, flags);
785 server->m_emergethread.trigger();
787 if(nearest_emerged_d == -1)
788 nearest_emerged_d = d;
790 if(nearest_emergefull_d == -1)
791 nearest_emergefull_d = d;
798 if(nearest_sent_d == -1)
802 Add block to send queue
805 /*errorstream<<"sending from d="<<d<<" to "
806 <<server->getPlayerName(peer_id)<<std::endl;*/
808 PrioritySortedBlockTransfer q((float)d, p, peer_id);
812 num_blocks_selected += 1;
817 //infostream<<"Stopped at "<<d<<std::endl;
819 // If nothing was found for sending and nothing was queued for
820 // emerging, continue next time browsing from here
821 if(nearest_emerged_d != -1){
822 new_nearest_unsent_d = nearest_emerged_d;
823 } else if(nearest_emergefull_d != -1){
824 new_nearest_unsent_d = nearest_emergefull_d;
826 if(d > g_settings->getS16("max_block_send_distance")){
827 new_nearest_unsent_d = 0;
828 m_nothing_to_send_pause_timer = 2.0;
829 /*infostream<<"GetNextBlocks(): d wrapped around for "
830 <<server->getPlayerName(peer_id)
831 <<"; setting to 0 and pausing"<<std::endl;*/
833 if(nearest_sent_d != -1)
834 new_nearest_unsent_d = nearest_sent_d;
836 new_nearest_unsent_d = d;
840 if(new_nearest_unsent_d != -1)
841 m_nearest_unsent_d = new_nearest_unsent_d;
843 /*timer_result = timer.stop(true);
844 if(timer_result != 0)
845 infostream<<"GetNextBlocks duration: "<<timer_result<<" (!=0)"<<std::endl;*/
848 void RemoteClient::GotBlock(v3s16 p)
850 if(m_blocks_sending.find(p) != NULL)
851 m_blocks_sending.remove(p);
854 /*infostream<<"RemoteClient::GotBlock(): Didn't find in"
855 " m_blocks_sending"<<std::endl;*/
856 m_excess_gotblocks++;
858 m_blocks_sent.insert(p, true);
861 void RemoteClient::SentBlock(v3s16 p)
863 if(m_blocks_sending.find(p) == NULL)
864 m_blocks_sending.insert(p, 0.0);
866 infostream<<"RemoteClient::SentBlock(): Sent block"
867 " already in m_blocks_sending"<<std::endl;
870 void RemoteClient::SetBlockNotSent(v3s16 p)
872 m_nearest_unsent_d = 0;
874 if(m_blocks_sending.find(p) != NULL)
875 m_blocks_sending.remove(p);
876 if(m_blocks_sent.find(p) != NULL)
877 m_blocks_sent.remove(p);
880 void RemoteClient::SetBlocksNotSent(core::map<v3s16, MapBlock*> &blocks)
882 m_nearest_unsent_d = 0;
884 for(core::map<v3s16, MapBlock*>::Iterator
885 i = blocks.getIterator();
886 i.atEnd()==false; i++)
888 v3s16 p = i.getNode()->getKey();
890 if(m_blocks_sending.find(p) != NULL)
891 m_blocks_sending.remove(p);
892 if(m_blocks_sent.find(p) != NULL)
893 m_blocks_sent.remove(p);
901 PlayerInfo::PlayerInfo()
907 void PlayerInfo::PrintLine(std::ostream *s)
910 (*s)<<"\""<<name<<"\" ("
911 <<(position.X/10)<<","<<(position.Y/10)
912 <<","<<(position.Z/10)<<") ";
914 (*s)<<" avg_rtt="<<avg_rtt;
923 const std::string &path_world,
924 const std::string &path_config,
925 const SubgameSpec &gamespec,
926 bool simple_singleplayer_mode
928 m_path_world(path_world),
929 m_path_config(path_config),
930 m_gamespec(gamespec),
931 m_simple_singleplayer_mode(simple_singleplayer_mode),
932 m_async_fatal_error(""),
934 m_con(PROTOCOL_ID, 512, CONNECTION_TIMEOUT, this),
935 m_banmanager(path_world+DIR_DELIM+"ipban.txt"),
937 m_itemdef(createItemDefManager()),
938 m_nodedef(createNodeDefManager()),
939 m_craftdef(createCraftDefManager()),
940 m_event(new EventManager()),
942 m_emergethread(this),
943 m_time_of_day_send_timer(0),
945 m_shutdown_requested(false),
946 m_ignore_map_edit_events(false),
947 m_ignore_map_edit_events_peer_id(0)
949 m_liquid_transform_timer = 0.0;
950 m_print_info_timer = 0.0;
951 m_objectdata_timer = 0.0;
952 m_emergethread_trigger_timer = 0.0;
953 m_savemap_timer = 0.0;
957 m_step_dtime_mutex.Init();
961 throw ServerError("Supplied empty world path");
963 if(!gamespec.isValid())
964 throw ServerError("Supplied invalid gamespec");
966 infostream<<"Server created for gameid \""<<m_gamespec.id<<"\"";
967 if(m_simple_singleplayer_mode)
968 infostream<<" in simple singleplayer mode"<<std::endl;
970 infostream<<std::endl;
971 infostream<<"- world: "<<m_path_world<<std::endl;
972 infostream<<"- config: "<<m_path_config<<std::endl;
973 infostream<<"- game: "<<m_gamespec.path<<std::endl;
975 // Add world mod search path
976 m_modspaths.push_front(m_path_world + DIR_DELIM + "worldmods");
977 // Add addon mod search path
978 for(std::set<std::string>::const_iterator i = m_gamespec.mods_paths.begin();
979 i != m_gamespec.mods_paths.end(); i++)
980 m_modspaths.push_front((*i));
982 // Print out mod search paths
983 for(core::list<std::string>::Iterator i = m_modspaths.begin();
984 i != m_modspaths.end(); i++){
985 std::string modspath = *i;
986 infostream<<"- mods: "<<modspath<<std::endl;
989 // Path to builtin.lua
990 std::string builtinpath = getBuiltinLuaPath() + DIR_DELIM + "builtin.lua";
992 // Create world if it doesn't exist
993 if(!initializeWorld(m_path_world, m_gamespec.id))
994 throw ServerError("Failed to initialize world");
997 JMutexAutoLock envlock(m_env_mutex);
998 JMutexAutoLock conlock(m_con_mutex);
1000 // Initialize scripting
1002 infostream<<"Server: Initializing Lua"<<std::endl;
1003 m_lua = script_init();
1006 scriptapi_export(m_lua, this);
1007 // Load and run builtin.lua
1008 infostream<<"Server: Loading builtin.lua [\""
1009 <<builtinpath<<"\"]"<<std::endl;
1010 bool success = scriptapi_loadmod(m_lua, builtinpath, "__builtin");
1012 errorstream<<"Server: Failed to load and run "
1013 <<builtinpath<<std::endl;
1014 throw ModError("Failed to load and run "+builtinpath);
1016 // Find mods in mod search paths
1017 m_mods = getMods(m_modspaths);
1019 infostream<<"Server: Loading mods: ";
1020 for(core::list<ModSpec>::Iterator i = m_mods.begin();
1021 i != m_mods.end(); i++){
1022 const ModSpec &mod = *i;
1023 infostream<<mod.name<<" ";
1025 infostream<<std::endl;
1026 // Load and run "mod" scripts
1027 for(core::list<ModSpec>::Iterator i = m_mods.begin();
1028 i != m_mods.end(); i++){
1029 const ModSpec &mod = *i;
1030 std::string scriptpath = mod.path + DIR_DELIM + "init.lua";
1031 infostream<<" ["<<padStringRight(mod.name, 12)<<"] [\""
1032 <<scriptpath<<"\"]"<<std::endl;
1033 bool success = scriptapi_loadmod(m_lua, scriptpath, mod.name);
1035 errorstream<<"Server: Failed to load and run "
1036 <<scriptpath<<std::endl;
1037 throw ModError("Failed to load and run "+scriptpath);
1041 // Read Textures and calculate sha1 sums
1044 // Apply item aliases in the node definition manager
1045 m_nodedef->updateAliases(m_itemdef);
1047 // Initialize Environment
1049 m_env = new ServerEnvironment(new ServerMap(path_world, this), m_lua,
1052 // Give environment reference to scripting api
1053 scriptapi_add_environment(m_lua, m_env);
1055 // Register us to receive map edit events
1056 m_env->getMap().addEventReceiver(this);
1058 // If file exists, load environment metadata
1059 if(fs::PathExists(m_path_world+DIR_DELIM+"env_meta.txt"))
1061 infostream<<"Server: Loading environment metadata"<<std::endl;
1062 m_env->loadMeta(m_path_world);
1066 infostream<<"Server: Loading players"<<std::endl;
1067 m_env->deSerializePlayers(m_path_world);
1070 Add some test ActiveBlockModifiers to environment
1072 add_legacy_abms(m_env, m_nodedef);
1077 infostream<<"Server destructing"<<std::endl;
1080 Send shutdown message
1083 JMutexAutoLock conlock(m_con_mutex);
1085 std::wstring line = L"*** Server shutting down";
1088 Send the message to clients
1090 for(core::map<u16, RemoteClient*>::Iterator
1091 i = m_clients.getIterator();
1092 i.atEnd() == false; i++)
1094 // Get client and check that it is valid
1095 RemoteClient *client = i.getNode()->getValue();
1096 assert(client->peer_id == i.getNode()->getKey());
1097 if(client->serialization_version == SER_FMT_VER_INVALID)
1101 SendChatMessage(client->peer_id, line);
1103 catch(con::PeerNotFoundException &e)
1109 JMutexAutoLock envlock(m_env_mutex);
1114 infostream<<"Server: Saving players"<<std::endl;
1115 m_env->serializePlayers(m_path_world);
1118 Save environment metadata
1120 infostream<<"Server: Saving environment metadata"<<std::endl;
1121 m_env->saveMeta(m_path_world);
1133 JMutexAutoLock clientslock(m_con_mutex);
1135 for(core::map<u16, RemoteClient*>::Iterator
1136 i = m_clients.getIterator();
1137 i.atEnd() == false; i++)
1140 // NOTE: These are removed by env destructor
1142 u16 peer_id = i.getNode()->getKey();
1143 JMutexAutoLock envlock(m_env_mutex);
1144 m_env->removePlayer(peer_id);
1148 delete i.getNode()->getValue();
1152 // Delete things in the reverse order of creation
1159 // Deinitialize scripting
1160 infostream<<"Server: Deinitializing scripting"<<std::endl;
1161 script_deinit(m_lua);
1164 void Server::start(unsigned short port)
1166 DSTACK(__FUNCTION_NAME);
1167 infostream<<"Starting server on port "<<port<<"..."<<std::endl;
1169 // Stop thread if already running
1172 // Initialize connection
1173 m_con.SetTimeoutMs(30);
1177 m_thread.setRun(true);
1180 // ASCII art for the win!
1182 <<" .__ __ __ "<<std::endl
1183 <<" _____ |__| ____ _____/ |_ ____ _______/ |_ "<<std::endl
1184 <<" / \\| |/ \\_/ __ \\ __\\/ __ \\ / ___/\\ __\\"<<std::endl
1185 <<"| Y Y \\ | | \\ ___/| | \\ ___/ \\___ \\ | | "<<std::endl
1186 <<"|__|_| /__|___| /\\___ >__| \\___ >____ > |__| "<<std::endl
1187 <<" \\/ \\/ \\/ \\/ \\/ "<<std::endl;
1188 actionstream<<"World at ["<<m_path_world<<"]"<<std::endl;
1189 actionstream<<"Server for gameid=\""<<m_gamespec.id
1190 <<"\" listening on port "<<port<<"."<<std::endl;
1195 DSTACK(__FUNCTION_NAME);
1197 infostream<<"Server: Stopping and waiting threads"<<std::endl;
1199 // Stop threads (set run=false first so both start stopping)
1200 m_thread.setRun(false);
1201 m_emergethread.setRun(false);
1203 m_emergethread.stop();
1205 infostream<<"Server: Threads stopped"<<std::endl;
1208 void Server::step(float dtime)
1210 DSTACK(__FUNCTION_NAME);
1215 JMutexAutoLock lock(m_step_dtime_mutex);
1216 m_step_dtime += dtime;
1218 // Throw if fatal error occurred in thread
1219 std::string async_err = m_async_fatal_error.get();
1220 if(async_err != ""){
1221 throw ServerError(async_err);
1225 void Server::AsyncRunStep()
1227 DSTACK(__FUNCTION_NAME);
1229 g_profiler->add("Server::AsyncRunStep (num)", 1);
1233 JMutexAutoLock lock1(m_step_dtime_mutex);
1234 dtime = m_step_dtime;
1238 // Send blocks to clients
1245 g_profiler->add("Server::AsyncRunStep with dtime (num)", 1);
1247 //infostream<<"Server steps "<<dtime<<std::endl;
1248 //infostream<<"Server::AsyncRunStep(): dtime="<<dtime<<std::endl;
1251 JMutexAutoLock lock1(m_step_dtime_mutex);
1252 m_step_dtime -= dtime;
1259 m_uptime.set(m_uptime.get() + dtime);
1263 // Process connection's timeouts
1264 JMutexAutoLock lock2(m_con_mutex);
1265 ScopeProfiler sp(g_profiler, "Server: connection timeout processing");
1266 m_con.RunTimeouts(dtime);
1270 // This has to be called so that the client list gets synced
1271 // with the peer list of the connection
1272 handlePeerChanges();
1276 Update time of day and overall game time
1279 JMutexAutoLock envlock(m_env_mutex);
1281 m_env->setTimeOfDaySpeed(g_settings->getFloat("time_speed"));
1284 Send to clients at constant intervals
1287 m_time_of_day_send_timer -= dtime;
1288 if(m_time_of_day_send_timer < 0.0)
1290 m_time_of_day_send_timer = g_settings->getFloat("time_send_interval");
1292 //JMutexAutoLock envlock(m_env_mutex);
1293 JMutexAutoLock conlock(m_con_mutex);
1295 for(core::map<u16, RemoteClient*>::Iterator
1296 i = m_clients.getIterator();
1297 i.atEnd() == false; i++)
1299 RemoteClient *client = i.getNode()->getValue();
1300 SharedBuffer<u8> data = makePacket_TOCLIENT_TIME_OF_DAY(
1301 m_env->getTimeOfDay(), g_settings->getFloat("time_speed"));
1303 m_con.Send(client->peer_id, 0, data, true);
1309 JMutexAutoLock lock(m_env_mutex);
1311 ScopeProfiler sp(g_profiler, "SEnv step");
1312 ScopeProfiler sp2(g_profiler, "SEnv step avg", SPT_AVG);
1316 const float map_timer_and_unload_dtime = 2.92;
1317 if(m_map_timer_and_unload_interval.step(dtime, map_timer_and_unload_dtime))
1319 JMutexAutoLock lock(m_env_mutex);
1320 // Run Map's timers and unload unused data
1321 ScopeProfiler sp(g_profiler, "Server: map timer and unload");
1322 m_env->getMap().timerUpdate(map_timer_and_unload_dtime,
1323 g_settings->getFloat("server_unload_unused_data_timeout"));
1334 JMutexAutoLock lock(m_env_mutex);
1335 JMutexAutoLock lock2(m_con_mutex);
1337 ScopeProfiler sp(g_profiler, "Server: handle players");
1339 for(core::map<u16, RemoteClient*>::Iterator
1340 i = m_clients.getIterator();
1341 i.atEnd() == false; i++)
1343 RemoteClient *client = i.getNode()->getValue();
1344 PlayerSAO *playersao = getPlayerSAO(client->peer_id);
1345 if(playersao == NULL)
1349 Handle player HPs (die if hp=0)
1351 if(playersao->getHP() == 0 && playersao->m_hp_not_sent)
1352 DiePlayer(client->peer_id);
1355 Send player inventories and HPs if necessary
1357 if(playersao->m_teleported){
1358 SendMovePlayer(client->peer_id);
1359 playersao->m_teleported = false;
1361 if(playersao->m_inventory_not_sent){
1362 UpdateCrafting(client->peer_id);
1363 SendInventory(client->peer_id);
1365 if(playersao->m_hp_not_sent){
1366 SendPlayerHP(client->peer_id);
1371 /* Transform liquids */
1372 m_liquid_transform_timer += dtime;
1373 if(m_liquid_transform_timer >= 1.00)
1375 m_liquid_transform_timer -= 1.00;
1377 JMutexAutoLock lock(m_env_mutex);
1379 ScopeProfiler sp(g_profiler, "Server: liquid transform");
1381 core::map<v3s16, MapBlock*> modified_blocks;
1382 m_env->getMap().transformLiquids(modified_blocks);
1387 core::map<v3s16, MapBlock*> lighting_modified_blocks;
1388 ServerMap &map = ((ServerMap&)m_env->getMap());
1389 map.updateLighting(modified_blocks, lighting_modified_blocks);
1391 // Add blocks modified by lighting to modified_blocks
1392 for(core::map<v3s16, MapBlock*>::Iterator
1393 i = lighting_modified_blocks.getIterator();
1394 i.atEnd() == false; i++)
1396 MapBlock *block = i.getNode()->getValue();
1397 modified_blocks.insert(block->getPos(), block);
1401 Set the modified blocks unsent for all the clients
1404 JMutexAutoLock lock2(m_con_mutex);
1406 for(core::map<u16, RemoteClient*>::Iterator
1407 i = m_clients.getIterator();
1408 i.atEnd() == false; i++)
1410 RemoteClient *client = i.getNode()->getValue();
1412 if(modified_blocks.size() > 0)
1414 // Remove block from sent history
1415 client->SetBlocksNotSent(modified_blocks);
1420 // Periodically print some info
1422 float &counter = m_print_info_timer;
1428 JMutexAutoLock lock2(m_con_mutex);
1430 if(m_clients.size() != 0)
1431 infostream<<"Players:"<<std::endl;
1432 for(core::map<u16, RemoteClient*>::Iterator
1433 i = m_clients.getIterator();
1434 i.atEnd() == false; i++)
1436 //u16 peer_id = i.getNode()->getKey();
1437 RemoteClient *client = i.getNode()->getValue();
1438 Player *player = m_env->getPlayer(client->peer_id);
1441 infostream<<"* "<<player->getName()<<"\t";
1442 client->PrintInfo(infostream);
1447 //if(g_settings->getBool("enable_experimental"))
1451 Check added and deleted active objects
1454 //infostream<<"Server: Checking added and deleted active objects"<<std::endl;
1455 JMutexAutoLock envlock(m_env_mutex);
1456 JMutexAutoLock conlock(m_con_mutex);
1458 ScopeProfiler sp(g_profiler, "Server: checking added and deleted objs");
1460 // Radius inside which objects are active
1461 s16 radius = g_settings->getS16("active_object_send_range_blocks");
1462 radius *= MAP_BLOCKSIZE;
1464 for(core::map<u16, RemoteClient*>::Iterator
1465 i = m_clients.getIterator();
1466 i.atEnd() == false; i++)
1468 RemoteClient *client = i.getNode()->getValue();
1470 // If definitions and textures have not been sent, don't
1471 // send objects either
1472 if(!client->definitions_sent)
1475 Player *player = m_env->getPlayer(client->peer_id);
1478 // This can happen if the client timeouts somehow
1479 /*infostream<<"WARNING: "<<__FUNCTION_NAME<<": Client "
1481 <<" has no associated player"<<std::endl;*/
1484 v3s16 pos = floatToInt(player->getPosition(), BS);
1486 core::map<u16, bool> removed_objects;
1487 core::map<u16, bool> added_objects;
1488 m_env->getRemovedActiveObjects(pos, radius,
1489 client->m_known_objects, removed_objects);
1490 m_env->getAddedActiveObjects(pos, radius,
1491 client->m_known_objects, added_objects);
1493 // Ignore if nothing happened
1494 if(removed_objects.size() == 0 && added_objects.size() == 0)
1496 //infostream<<"active objects: none changed"<<std::endl;
1500 std::string data_buffer;
1504 // Handle removed objects
1505 writeU16((u8*)buf, removed_objects.size());
1506 data_buffer.append(buf, 2);
1507 for(core::map<u16, bool>::Iterator
1508 i = removed_objects.getIterator();
1509 i.atEnd()==false; i++)
1512 u16 id = i.getNode()->getKey();
1513 ServerActiveObject* obj = m_env->getActiveObject(id);
1515 // Add to data buffer for sending
1516 writeU16((u8*)buf, i.getNode()->getKey());
1517 data_buffer.append(buf, 2);
1519 // Remove from known objects
1520 client->m_known_objects.remove(i.getNode()->getKey());
1522 if(obj && obj->m_known_by_count > 0)
1523 obj->m_known_by_count--;
1526 // Handle added objects
1527 writeU16((u8*)buf, added_objects.size());
1528 data_buffer.append(buf, 2);
1529 for(core::map<u16, bool>::Iterator
1530 i = added_objects.getIterator();
1531 i.atEnd()==false; i++)
1534 u16 id = i.getNode()->getKey();
1535 ServerActiveObject* obj = m_env->getActiveObject(id);
1538 u8 type = ACTIVEOBJECT_TYPE_INVALID;
1540 infostream<<"WARNING: "<<__FUNCTION_NAME
1541 <<": NULL object"<<std::endl;
1543 type = obj->getSendType();
1545 // Add to data buffer for sending
1546 writeU16((u8*)buf, id);
1547 data_buffer.append(buf, 2);
1548 writeU8((u8*)buf, type);
1549 data_buffer.append(buf, 1);
1552 data_buffer.append(serializeLongString(
1553 obj->getClientInitializationData()));
1555 data_buffer.append(serializeLongString(""));
1557 // Add to known objects
1558 client->m_known_objects.insert(i.getNode()->getKey(), false);
1561 obj->m_known_by_count++;
1565 SharedBuffer<u8> reply(2 + data_buffer.size());
1566 writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_REMOVE_ADD);
1567 memcpy((char*)&reply[2], data_buffer.c_str(),
1568 data_buffer.size());
1570 m_con.Send(client->peer_id, 0, reply, true);
1572 verbosestream<<"Server: Sent object remove/add: "
1573 <<removed_objects.size()<<" removed, "
1574 <<added_objects.size()<<" added, "
1575 <<"packet size is "<<reply.getSize()<<std::endl;
1580 Collect a list of all the objects known by the clients
1581 and report it back to the environment.
1584 core::map<u16, bool> all_known_objects;
1586 for(core::map<u16, RemoteClient*>::Iterator
1587 i = m_clients.getIterator();
1588 i.atEnd() == false; i++)
1590 RemoteClient *client = i.getNode()->getValue();
1591 // Go through all known objects of client
1592 for(core::map<u16, bool>::Iterator
1593 i = client->m_known_objects.getIterator();
1594 i.atEnd()==false; i++)
1596 u16 id = i.getNode()->getKey();
1597 all_known_objects[id] = true;
1601 m_env->setKnownActiveObjects(whatever);
1607 Send object messages
1610 JMutexAutoLock envlock(m_env_mutex);
1611 JMutexAutoLock conlock(m_con_mutex);
1613 ScopeProfiler sp(g_profiler, "Server: sending object messages");
1616 // Value = data sent by object
1617 core::map<u16, core::list<ActiveObjectMessage>* > buffered_messages;
1619 // Get active object messages from environment
1622 ActiveObjectMessage aom = m_env->getActiveObjectMessage();
1626 core::list<ActiveObjectMessage>* message_list = NULL;
1627 core::map<u16, core::list<ActiveObjectMessage>* >::Node *n;
1628 n = buffered_messages.find(aom.id);
1631 message_list = new core::list<ActiveObjectMessage>;
1632 buffered_messages.insert(aom.id, message_list);
1636 message_list = n->getValue();
1638 message_list->push_back(aom);
1641 // Route data to every client
1642 for(core::map<u16, RemoteClient*>::Iterator
1643 i = m_clients.getIterator();
1644 i.atEnd()==false; i++)
1646 RemoteClient *client = i.getNode()->getValue();
1647 std::string reliable_data;
1648 std::string unreliable_data;
1649 // Go through all objects in message buffer
1650 for(core::map<u16, core::list<ActiveObjectMessage>* >::Iterator
1651 j = buffered_messages.getIterator();
1652 j.atEnd()==false; j++)
1654 // If object is not known by client, skip it
1655 u16 id = j.getNode()->getKey();
1656 if(client->m_known_objects.find(id) == NULL)
1658 // Get message list of object
1659 core::list<ActiveObjectMessage>* list = j.getNode()->getValue();
1660 // Go through every message
1661 for(core::list<ActiveObjectMessage>::Iterator
1662 k = list->begin(); k != list->end(); k++)
1664 // Compose the full new data with header
1665 ActiveObjectMessage aom = *k;
1666 std::string new_data;
1669 writeU16((u8*)&buf[0], aom.id);
1670 new_data.append(buf, 2);
1672 new_data += serializeString(aom.datastring);
1673 // Add data to buffer
1675 reliable_data += new_data;
1677 unreliable_data += new_data;
1681 reliable_data and unreliable_data are now ready.
1684 if(reliable_data.size() > 0)
1686 SharedBuffer<u8> reply(2 + reliable_data.size());
1687 writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_MESSAGES);
1688 memcpy((char*)&reply[2], reliable_data.c_str(),
1689 reliable_data.size());
1691 m_con.Send(client->peer_id, 0, reply, true);
1693 if(unreliable_data.size() > 0)
1695 SharedBuffer<u8> reply(2 + unreliable_data.size());
1696 writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_MESSAGES);
1697 memcpy((char*)&reply[2], unreliable_data.c_str(),
1698 unreliable_data.size());
1699 // Send as unreliable
1700 m_con.Send(client->peer_id, 0, reply, false);
1703 /*if(reliable_data.size() > 0 || unreliable_data.size() > 0)
1705 infostream<<"Server: Size of object message data: "
1706 <<"reliable: "<<reliable_data.size()
1707 <<", unreliable: "<<unreliable_data.size()
1712 // Clear buffered_messages
1713 for(core::map<u16, core::list<ActiveObjectMessage>* >::Iterator
1714 i = buffered_messages.getIterator();
1715 i.atEnd()==false; i++)
1717 delete i.getNode()->getValue();
1721 } // enable_experimental
1724 Send queued-for-sending map edit events.
1727 // We will be accessing the environment and the connection
1728 JMutexAutoLock lock(m_env_mutex);
1729 JMutexAutoLock conlock(m_con_mutex);
1731 // Don't send too many at a time
1734 // Single change sending is disabled if queue size is not small
1735 bool disable_single_change_sending = false;
1736 if(m_unsent_map_edit_queue.size() >= 4)
1737 disable_single_change_sending = true;
1739 int event_count = m_unsent_map_edit_queue.size();
1741 // We'll log the amount of each
1744 while(m_unsent_map_edit_queue.size() != 0)
1746 MapEditEvent* event = m_unsent_map_edit_queue.pop_front();
1748 // Players far away from the change are stored here.
1749 // Instead of sending the changes, MapBlocks are set not sent
1751 core::list<u16> far_players;
1753 if(event->type == MEET_ADDNODE)
1755 //infostream<<"Server: MEET_ADDNODE"<<std::endl;
1756 prof.add("MEET_ADDNODE", 1);
1757 if(disable_single_change_sending)
1758 sendAddNode(event->p, event->n, event->already_known_by_peer,
1761 sendAddNode(event->p, event->n, event->already_known_by_peer,
1764 else if(event->type == MEET_REMOVENODE)
1766 //infostream<<"Server: MEET_REMOVENODE"<<std::endl;
1767 prof.add("MEET_REMOVENODE", 1);
1768 if(disable_single_change_sending)
1769 sendRemoveNode(event->p, event->already_known_by_peer,
1772 sendRemoveNode(event->p, event->already_known_by_peer,
1775 else if(event->type == MEET_BLOCK_NODE_METADATA_CHANGED)
1777 infostream<<"Server: MEET_BLOCK_NODE_METADATA_CHANGED"<<std::endl;
1778 prof.add("MEET_BLOCK_NODE_METADATA_CHANGED", 1);
1779 setBlockNotSent(event->p);
1781 else if(event->type == MEET_OTHER)
1783 infostream<<"Server: MEET_OTHER"<<std::endl;
1784 prof.add("MEET_OTHER", 1);
1785 for(core::map<v3s16, bool>::Iterator
1786 i = event->modified_blocks.getIterator();
1787 i.atEnd()==false; i++)
1789 v3s16 p = i.getNode()->getKey();
1795 prof.add("unknown", 1);
1796 infostream<<"WARNING: Server: Unknown MapEditEvent "
1797 <<((u32)event->type)<<std::endl;
1801 Set blocks not sent to far players
1803 if(far_players.size() > 0)
1805 // Convert list format to that wanted by SetBlocksNotSent
1806 core::map<v3s16, MapBlock*> modified_blocks2;
1807 for(core::map<v3s16, bool>::Iterator
1808 i = event->modified_blocks.getIterator();
1809 i.atEnd()==false; i++)
1811 v3s16 p = i.getNode()->getKey();
1812 modified_blocks2.insert(p,
1813 m_env->getMap().getBlockNoCreateNoEx(p));
1815 // Set blocks not sent
1816 for(core::list<u16>::Iterator
1817 i = far_players.begin();
1818 i != far_players.end(); i++)
1821 RemoteClient *client = getClient(peer_id);
1824 client->SetBlocksNotSent(modified_blocks2);
1830 /*// Don't send too many at a time
1832 if(count >= 1 && m_unsent_map_edit_queue.size() < 100)
1836 if(event_count >= 5){
1837 infostream<<"Server: MapEditEvents:"<<std::endl;
1838 prof.print(infostream);
1839 } else if(event_count != 0){
1840 verbosestream<<"Server: MapEditEvents:"<<std::endl;
1841 prof.print(verbosestream);
1847 Trigger emergethread (it somehow gets to a non-triggered but
1848 bysy state sometimes)
1851 float &counter = m_emergethread_trigger_timer;
1857 m_emergethread.trigger();
1861 // Save map, players and auth stuff
1863 float &counter = m_savemap_timer;
1865 if(counter >= g_settings->getFloat("server_map_save_interval"))
1868 JMutexAutoLock lock(m_env_mutex);
1870 ScopeProfiler sp(g_profiler, "Server: saving stuff");
1873 if(m_banmanager.isModified())
1874 m_banmanager.save();
1876 // Save changed parts of map
1877 m_env->getMap().save(MOD_STATE_WRITE_NEEDED);
1880 m_env->serializePlayers(m_path_world);
1882 // Save environment metadata
1883 m_env->saveMeta(m_path_world);
1888 void Server::Receive()
1890 DSTACK(__FUNCTION_NAME);
1891 SharedBuffer<u8> data;
1896 JMutexAutoLock conlock(m_con_mutex);
1897 datasize = m_con.Receive(peer_id, data);
1900 // This has to be called so that the client list gets synced
1901 // with the peer list of the connection
1902 handlePeerChanges();
1904 ProcessData(*data, datasize, peer_id);
1906 catch(con::InvalidIncomingDataException &e)
1908 infostream<<"Server::Receive(): "
1909 "InvalidIncomingDataException: what()="
1910 <<e.what()<<std::endl;
1912 catch(con::PeerNotFoundException &e)
1914 //NOTE: This is not needed anymore
1916 // The peer has been disconnected.
1917 // Find the associated player and remove it.
1919 /*JMutexAutoLock envlock(m_env_mutex);
1921 infostream<<"ServerThread: peer_id="<<peer_id
1922 <<" has apparently closed connection. "
1923 <<"Removing player."<<std::endl;
1925 m_env->removePlayer(peer_id);*/
1929 void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id)
1931 DSTACK(__FUNCTION_NAME);
1932 // Environment is locked first.
1933 JMutexAutoLock envlock(m_env_mutex);
1934 JMutexAutoLock conlock(m_con_mutex);
1936 ScopeProfiler sp(g_profiler, "Server::ProcessData");
1939 Address address = m_con.GetPeerAddress(peer_id);
1940 std::string addr_s = address.serializeString();
1942 // drop player if is ip is banned
1943 if(m_banmanager.isIpBanned(addr_s)){
1944 infostream<<"Server: A banned client tried to connect from "
1945 <<addr_s<<"; banned name was "
1946 <<m_banmanager.getBanName(addr_s)<<std::endl;
1947 // This actually doesn't seem to transfer to the client
1948 SendAccessDenied(m_con, peer_id,
1949 L"Your ip is banned. Banned name was "
1950 +narrow_to_wide(m_banmanager.getBanName(addr_s)));
1951 m_con.DeletePeer(peer_id);
1955 catch(con::PeerNotFoundException &e)
1957 infostream<<"Server::ProcessData(): Cancelling: peer "
1958 <<peer_id<<" not found"<<std::endl;
1962 std::string addr_s = m_con.GetPeerAddress(peer_id).serializeString();
1964 u8 peer_ser_ver = getClient(peer_id)->serialization_version;
1972 ToServerCommand command = (ToServerCommand)readU16(&data[0]);
1974 if(command == TOSERVER_INIT)
1976 // [0] u16 TOSERVER_INIT
1977 // [2] u8 SER_FMT_VER_HIGHEST
1978 // [3] u8[20] player_name
1979 // [23] u8[28] password <--- can be sent without this, from old versions
1981 if(datasize < 2+1+PLAYERNAME_SIZE)
1984 verbosestream<<"Server: Got TOSERVER_INIT from "
1985 <<peer_id<<std::endl;
1987 // First byte after command is maximum supported
1988 // serialization version
1989 u8 client_max = data[2];
1990 u8 our_max = SER_FMT_VER_HIGHEST;
1991 // Use the highest version supported by both
1992 u8 deployed = core::min_(client_max, our_max);
1993 // If it's lower than the lowest supported, give up.
1994 if(deployed < SER_FMT_VER_LOWEST)
1995 deployed = SER_FMT_VER_INVALID;
1997 //peer->serialization_version = deployed;
1998 getClient(peer_id)->pending_serialization_version = deployed;
2000 if(deployed == SER_FMT_VER_INVALID)
2002 actionstream<<"Server: A mismatched client tried to connect from "
2003 <<addr_s<<std::endl;
2004 infostream<<"Server: Cannot negotiate "
2005 "serialization version with peer "
2006 <<peer_id<<std::endl;
2007 SendAccessDenied(m_con, peer_id, std::wstring(
2008 L"Your client's version is not supported.\n"
2009 L"Server version is ")
2010 + narrow_to_wide(VERSION_STRING) + L"."
2016 Read and check network protocol version
2019 u16 net_proto_version = 0;
2020 if(datasize >= 2+1+PLAYERNAME_SIZE+PASSWORD_SIZE+2)
2022 net_proto_version = readU16(&data[2+1+PLAYERNAME_SIZE+PASSWORD_SIZE]);
2025 getClient(peer_id)->net_proto_version = net_proto_version;
2027 if(net_proto_version == 0)
2029 actionstream<<"Server: An old tried to connect from "<<addr_s
2031 SendAccessDenied(m_con, peer_id, std::wstring(
2032 L"Your client's version is not supported.\n"
2033 L"Server version is ")
2034 + narrow_to_wide(VERSION_STRING) + L"."
2039 if(g_settings->getBool("strict_protocol_version_checking"))
2041 if(net_proto_version != PROTOCOL_VERSION)
2043 actionstream<<"Server: A mismatched client tried to connect"
2044 <<" from "<<addr_s<<std::endl;
2045 SendAccessDenied(m_con, peer_id, std::wstring(
2046 L"Your client's version is not supported.\n"
2047 L"Server version is ")
2048 + narrow_to_wide(VERSION_STRING) + L",\n"
2049 + L"server's PROTOCOL_VERSION is "
2050 + narrow_to_wide(itos(PROTOCOL_VERSION))
2051 + L", client's PROTOCOL_VERSION is "
2052 + narrow_to_wide(itos(net_proto_version))
2063 char playername[PLAYERNAME_SIZE];
2064 for(u32 i=0; i<PLAYERNAME_SIZE-1; i++)
2066 playername[i] = data[3+i];
2068 playername[PLAYERNAME_SIZE-1] = 0;
2070 if(playername[0]=='\0')
2072 actionstream<<"Server: Player with an empty name "
2073 <<"tried to connect from "<<addr_s<<std::endl;
2074 SendAccessDenied(m_con, peer_id,
2079 if(string_allowed(playername, PLAYERNAME_ALLOWED_CHARS)==false)
2081 actionstream<<"Server: Player with an invalid name "
2082 <<"tried to connect from "<<addr_s<<std::endl;
2083 SendAccessDenied(m_con, peer_id,
2084 L"Name contains unallowed characters");
2088 infostream<<"Server: New connection: \""<<playername<<"\" from "
2089 <<m_con.GetPeerAddress(peer_id).serializeString()<<std::endl;
2092 char given_password[PASSWORD_SIZE];
2093 if(datasize < 2+1+PLAYERNAME_SIZE+PASSWORD_SIZE)
2095 // old version - assume blank password
2096 given_password[0] = 0;
2100 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
2102 given_password[i] = data[23+i];
2104 given_password[PASSWORD_SIZE-1] = 0;
2107 if(!base64_is_valid(given_password)){
2108 infostream<<"Server: "<<playername
2109 <<" supplied invalid password hash"<<std::endl;
2110 SendAccessDenied(m_con, peer_id, L"Invalid password hash");
2114 std::string checkpwd; // Password hash to check against
2115 bool has_auth = scriptapi_get_auth(m_lua, playername, &checkpwd, NULL);
2117 // If no authentication info exists for user, create it
2119 if(!isSingleplayer() &&
2120 g_settings->getBool("disallow_empty_password") &&
2121 std::string(given_password) == ""){
2122 SendAccessDenied(m_con, peer_id, L"Empty passwords are "
2123 L"disallowed. Set a password and try again.");
2126 std::wstring raw_default_password =
2127 narrow_to_wide(g_settings->get("default_password"));
2128 std::string initial_password =
2129 translatePassword(playername, raw_default_password);
2131 // If default_password is empty, allow any initial password
2132 if (raw_default_password.length() == 0)
2133 initial_password = given_password;
2135 scriptapi_create_auth(m_lua, playername, initial_password);
2138 has_auth = scriptapi_get_auth(m_lua, playername, &checkpwd, NULL);
2141 SendAccessDenied(m_con, peer_id, L"Not allowed to login");
2145 if(given_password != checkpwd){
2146 infostream<<"Server: peer_id="<<peer_id
2147 <<": supplied invalid password for "
2148 <<playername<<std::endl;
2149 SendAccessDenied(m_con, peer_id, L"Invalid password");
2153 // Do not allow multiple players in simple singleplayer mode.
2154 // This isn't a perfect way to do it, but will suffice for now.
2155 if(m_simple_singleplayer_mode && m_clients.size() > 1){
2156 infostream<<"Server: Not allowing another client to connect in"
2157 <<" simple singleplayer mode"<<std::endl;
2158 SendAccessDenied(m_con, peer_id,
2159 L"Running in simple singleplayer mode.");
2163 // Enforce user limit.
2164 // Don't enforce for users that have some admin right
2165 if(m_clients.size() >= g_settings->getU16("max_users") &&
2166 !checkPriv(playername, "server") &&
2167 !checkPriv(playername, "ban") &&
2168 !checkPriv(playername, "privs") &&
2169 !checkPriv(playername, "password") &&
2170 playername != g_settings->get("name"))
2172 actionstream<<"Server: "<<playername<<" tried to join, but there"
2173 <<" are already max_users="
2174 <<g_settings->getU16("max_users")<<" players."<<std::endl;
2175 SendAccessDenied(m_con, peer_id, L"Too many users.");
2180 PlayerSAO *playersao = emergePlayer(playername, peer_id);
2182 // If failed, cancel
2183 if(playersao == NULL)
2185 errorstream<<"Server: peer_id="<<peer_id
2186 <<": failed to emerge player"<<std::endl;
2191 Answer with a TOCLIENT_INIT
2194 SharedBuffer<u8> reply(2+1+6+8);
2195 writeU16(&reply[0], TOCLIENT_INIT);
2196 writeU8(&reply[2], deployed);
2197 writeV3S16(&reply[2+1], floatToInt(playersao->getPlayer()->getPosition()+v3f(0,BS/2,0), BS));
2198 writeU64(&reply[2+1+6], m_env->getServerMap().getSeed());
2201 m_con.Send(peer_id, 0, reply, true);
2205 Send complete position information
2207 SendMovePlayer(peer_id);
2212 if(command == TOSERVER_INIT2)
2214 verbosestream<<"Server: Got TOSERVER_INIT2 from "
2215 <<peer_id<<std::endl;
2217 Player *player = m_env->getPlayer(peer_id);
2219 verbosestream<<"Server: TOSERVER_INIT2: "
2220 <<"Player not found; ignoring."<<std::endl;
2224 getClient(peer_id)->serialization_version
2225 = getClient(peer_id)->pending_serialization_version;
2228 Send some initialization data
2231 infostream<<"Server: Sending content to "
2232 <<getPlayerName(peer_id)<<std::endl;
2234 // Send item definitions
2235 SendItemDef(m_con, peer_id, m_itemdef);
2237 // Send node definitions
2238 SendNodeDef(m_con, peer_id, m_nodedef);
2240 // Send media announcement
2241 sendMediaAnnouncement(peer_id);
2244 SendPlayerPrivileges(peer_id);
2247 UpdateCrafting(peer_id);
2248 SendInventory(peer_id);
2251 SendPlayerHP(peer_id);
2253 // Show death screen if necessary
2255 SendDeathscreen(m_con, peer_id, false, v3f(0,0,0));
2259 SharedBuffer<u8> data = makePacket_TOCLIENT_TIME_OF_DAY(
2260 m_env->getTimeOfDay(), g_settings->getFloat("time_speed"));
2261 m_con.Send(peer_id, 0, data, true);
2264 // Note things in chat if not in simple singleplayer mode
2265 if(!m_simple_singleplayer_mode)
2267 // Send information about server to player in chat
2268 SendChatMessage(peer_id, getStatusString());
2270 // Send information about joining in chat
2272 std::wstring name = L"unknown";
2273 Player *player = m_env->getPlayer(peer_id);
2275 name = narrow_to_wide(player->getName());
2277 std::wstring message;
2280 message += L" joined game";
2281 BroadcastChatMessage(message);
2285 // Warnings about protocol version can be issued here
2286 if(getClient(peer_id)->net_proto_version < PROTOCOL_VERSION)
2288 SendChatMessage(peer_id, L"# Server: WARNING: YOUR CLIENT IS OLD AND MAY WORK PROPERLY WITH THIS SERVER");
2295 std::ostringstream os(std::ios_base::binary);
2296 for(core::map<u16, RemoteClient*>::Iterator
2297 i = m_clients.getIterator();
2298 i.atEnd() == false; i++)
2300 RemoteClient *client = i.getNode()->getValue();
2301 assert(client->peer_id == i.getNode()->getKey());
2302 if(client->serialization_version == SER_FMT_VER_INVALID)
2305 Player *player = m_env->getPlayer(client->peer_id);
2308 // Get name of player
2309 os<<player->getName()<<" ";
2312 actionstream<<player->getName()<<" joins game. List of players: "
2313 <<os.str()<<std::endl;
2319 if(peer_ser_ver == SER_FMT_VER_INVALID)
2321 infostream<<"Server::ProcessData(): Cancelling: Peer"
2322 " serialization format invalid or not initialized."
2323 " Skipping incoming command="<<command<<std::endl;
2327 Player *player = m_env->getPlayer(peer_id);
2329 infostream<<"Server::ProcessData(): Cancelling: "
2330 "No player for peer_id="<<peer_id
2335 PlayerSAO *playersao = player->getPlayerSAO();
2336 if(playersao == NULL){
2337 infostream<<"Server::ProcessData(): Cancelling: "
2338 "No player object for peer_id="<<peer_id
2343 if(command == TOSERVER_PLAYERPOS)
2345 if(datasize < 2+12+12+4+4)
2349 v3s32 ps = readV3S32(&data[start+2]);
2350 v3s32 ss = readV3S32(&data[start+2+12]);
2351 f32 pitch = (f32)readS32(&data[2+12+12]) / 100.0;
2352 f32 yaw = (f32)readS32(&data[2+12+12+4]) / 100.0;
2353 v3f position((f32)ps.X/100., (f32)ps.Y/100., (f32)ps.Z/100.);
2354 v3f speed((f32)ss.X/100., (f32)ss.Y/100., (f32)ss.Z/100.);
2355 pitch = wrapDegrees(pitch);
2356 yaw = wrapDegrees(yaw);
2358 player->setPosition(position);
2359 player->setSpeed(speed);
2360 player->setPitch(pitch);
2361 player->setYaw(yaw);
2363 /*infostream<<"Server::ProcessData(): Moved player "<<peer_id<<" to "
2364 <<"("<<position.X<<","<<position.Y<<","<<position.Z<<")"
2365 <<" pitch="<<pitch<<" yaw="<<yaw<<std::endl;*/
2367 else if(command == TOSERVER_GOTBLOCKS)
2380 u16 count = data[2];
2381 for(u16 i=0; i<count; i++)
2383 if((s16)datasize < 2+1+(i+1)*6)
2384 throw con::InvalidIncomingDataException
2385 ("GOTBLOCKS length is too short");
2386 v3s16 p = readV3S16(&data[2+1+i*6]);
2387 /*infostream<<"Server: GOTBLOCKS ("
2388 <<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
2389 RemoteClient *client = getClient(peer_id);
2390 client->GotBlock(p);
2393 else if(command == TOSERVER_DELETEDBLOCKS)
2406 u16 count = data[2];
2407 for(u16 i=0; i<count; i++)
2409 if((s16)datasize < 2+1+(i+1)*6)
2410 throw con::InvalidIncomingDataException
2411 ("DELETEDBLOCKS length is too short");
2412 v3s16 p = readV3S16(&data[2+1+i*6]);
2413 /*infostream<<"Server: DELETEDBLOCKS ("
2414 <<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
2415 RemoteClient *client = getClient(peer_id);
2416 client->SetBlockNotSent(p);
2419 else if(command == TOSERVER_CLICK_OBJECT)
2421 infostream<<"Server: CLICK_OBJECT not supported anymore"<<std::endl;
2424 else if(command == TOSERVER_CLICK_ACTIVEOBJECT)
2426 infostream<<"Server: CLICK_ACTIVEOBJECT not supported anymore"<<std::endl;
2429 else if(command == TOSERVER_GROUND_ACTION)
2431 infostream<<"Server: GROUND_ACTION not supported anymore"<<std::endl;
2435 else if(command == TOSERVER_RELEASE)
2437 infostream<<"Server: RELEASE not supported anymore"<<std::endl;
2440 else if(command == TOSERVER_SIGNTEXT)
2442 infostream<<"Server: SIGNTEXT not supported anymore"
2446 else if(command == TOSERVER_SIGNNODETEXT)
2448 infostream<<"Server: SIGNNODETEXT not supported anymore"
2452 else if(command == TOSERVER_INVENTORY_ACTION)
2454 // Strip command and create a stream
2455 std::string datastring((char*)&data[2], datasize-2);
2456 verbosestream<<"TOSERVER_INVENTORY_ACTION: data="<<datastring<<std::endl;
2457 std::istringstream is(datastring, std::ios_base::binary);
2459 InventoryAction *a = InventoryAction::deSerialize(is);
2462 infostream<<"TOSERVER_INVENTORY_ACTION: "
2463 <<"InventoryAction::deSerialize() returned NULL"
2469 Note: Always set inventory not sent, to repair cases
2470 where the client made a bad prediction.
2474 Handle restrictions and special cases of the move action
2476 if(a->getType() == IACTION_MOVE)
2478 IMoveAction *ma = (IMoveAction*)a;
2480 ma->from_inv.applyCurrentPlayer(player->getName());
2481 ma->to_inv.applyCurrentPlayer(player->getName());
2483 setInventoryModified(ma->from_inv);
2484 setInventoryModified(ma->to_inv);
2486 bool from_inv_is_current_player =
2487 (ma->from_inv.type == InventoryLocation::PLAYER) &&
2488 (ma->from_inv.name == player->getName());
2490 bool to_inv_is_current_player =
2491 (ma->to_inv.type == InventoryLocation::PLAYER) &&
2492 (ma->to_inv.name == player->getName());
2495 Disable moving items out of craftpreview
2497 if(ma->from_list == "craftpreview")
2499 infostream<<"Ignoring IMoveAction from "
2500 <<(ma->from_inv.dump())<<":"<<ma->from_list
2501 <<" to "<<(ma->to_inv.dump())<<":"<<ma->to_list
2502 <<" because src is "<<ma->from_list<<std::endl;
2508 Disable moving items into craftresult and craftpreview
2510 if(ma->to_list == "craftpreview" || ma->to_list == "craftresult")
2512 infostream<<"Ignoring IMoveAction from "
2513 <<(ma->from_inv.dump())<<":"<<ma->from_list
2514 <<" to "<<(ma->to_inv.dump())<<":"<<ma->to_list
2515 <<" because dst is "<<ma->to_list<<std::endl;
2520 // Disallow moving items in elsewhere than player's inventory
2521 // if not allowed to interact
2522 if(!checkPriv(player->getName(), "interact") &&
2523 (!from_inv_is_current_player ||
2524 !to_inv_is_current_player))
2526 infostream<<"Cannot move outside of player's inventory: "
2527 <<"No interact privilege"<<std::endl;
2532 // If player is not an admin, check for ownership of src and dst
2533 /*if(!checkPriv(player->getName(), "server"))
2535 std::string owner_from = getInventoryOwner(ma->from_inv);
2536 if(owner_from != "" && owner_from != player->getName())
2538 infostream<<"WARNING: "<<player->getName()
2539 <<" tried to access an inventory that"
2540 <<" belongs to "<<owner_from<<std::endl;
2545 std::string owner_to = getInventoryOwner(ma->to_inv);
2546 if(owner_to != "" && owner_to != player->getName())
2548 infostream<<"WARNING: "<<player->getName()
2549 <<" tried to access an inventory that"
2550 <<" belongs to "<<owner_to<<std::endl;
2557 Handle restrictions and special cases of the drop action
2559 else if(a->getType() == IACTION_DROP)
2561 IDropAction *da = (IDropAction*)a;
2563 da->from_inv.applyCurrentPlayer(player->getName());
2565 setInventoryModified(da->from_inv);
2567 // Disallow dropping items if not allowed to interact
2568 if(!checkPriv(player->getName(), "interact"))
2573 // If player is not an admin, check for ownership
2574 /*else if(!checkPriv(player->getName(), "server"))
2576 std::string owner_from = getInventoryOwner(da->from_inv);
2577 if(owner_from != "" && owner_from != player->getName())
2579 infostream<<"WARNING: "<<player->getName()
2580 <<" tried to access an inventory that"
2581 <<" belongs to "<<owner_from<<std::endl;
2588 Handle restrictions and special cases of the craft action
2590 else if(a->getType() == IACTION_CRAFT)
2592 ICraftAction *ca = (ICraftAction*)a;
2594 ca->craft_inv.applyCurrentPlayer(player->getName());
2596 setInventoryModified(ca->craft_inv);
2598 //bool craft_inv_is_current_player =
2599 // (ca->craft_inv.type == InventoryLocation::PLAYER) &&
2600 // (ca->craft_inv.name == player->getName());
2602 // Disallow crafting if not allowed to interact
2603 if(!checkPriv(player->getName(), "interact"))
2605 infostream<<"Cannot craft: "
2606 <<"No interact privilege"<<std::endl;
2611 // If player is not an admin, check for ownership of inventory
2612 /*if(!checkPriv(player->getName(), "server"))
2614 std::string owner_craft = getInventoryOwner(ca->craft_inv);
2615 if(owner_craft != "" && owner_craft != player->getName())
2617 infostream<<"WARNING: "<<player->getName()
2618 <<" tried to access an inventory that"
2619 <<" belongs to "<<owner_craft<<std::endl;
2627 a->apply(this, playersao, this);
2631 else if(command == TOSERVER_CHAT_MESSAGE)
2639 std::string datastring((char*)&data[2], datasize-2);
2640 std::istringstream is(datastring, std::ios_base::binary);
2643 is.read((char*)buf, 2);
2644 u16 len = readU16(buf);
2646 std::wstring message;
2647 for(u16 i=0; i<len; i++)
2649 is.read((char*)buf, 2);
2650 message += (wchar_t)readU16(buf);
2653 // Get player name of this client
2654 std::wstring name = narrow_to_wide(player->getName());
2657 bool ate = scriptapi_on_chat_message(m_lua, player->getName(),
2658 wide_to_narrow(message));
2659 // If script ate the message, don't proceed
2663 // Line to send to players
2665 // Whether to send to the player that sent the line
2666 bool send_to_sender = false;
2667 // Whether to send to other players
2668 bool send_to_others = false;
2671 if(message[0] == L'/')
2673 size_t strip_size = 1;
2674 if (message[1] == L'#') // support old-style commans
2676 message = message.substr(strip_size);
2678 WStrfnd f1(message);
2679 f1.next(L" "); // Skip over /#whatever
2680 std::wstring paramstring = f1.next(L"");
2682 ServerCommandContext *ctx = new ServerCommandContext(
2683 str_split(message, L' '),
2689 std::wstring reply(processServerCommand(ctx));
2690 send_to_sender = ctx->flags & SEND_TO_SENDER;
2691 send_to_others = ctx->flags & SEND_TO_OTHERS;
2693 if (ctx->flags & SEND_NO_PREFIX)
2696 line += L"Server: " + reply;
2703 if(checkPriv(player->getName(), "shout")){
2708 send_to_others = true;
2710 line += L"Server: You are not allowed to shout";
2711 send_to_sender = true;
2718 actionstream<<"CHAT: "<<wide_to_narrow(line)<<std::endl;
2721 Send the message to clients
2723 for(core::map<u16, RemoteClient*>::Iterator
2724 i = m_clients.getIterator();
2725 i.atEnd() == false; i++)
2727 // Get client and check that it is valid
2728 RemoteClient *client = i.getNode()->getValue();
2729 assert(client->peer_id == i.getNode()->getKey());
2730 if(client->serialization_version == SER_FMT_VER_INVALID)
2734 bool sender_selected = (peer_id == client->peer_id);
2735 if(sender_selected == true && send_to_sender == false)
2737 if(sender_selected == false && send_to_others == false)
2740 SendChatMessage(client->peer_id, line);
2744 else if(command == TOSERVER_DAMAGE)
2746 std::string datastring((char*)&data[2], datasize-2);
2747 std::istringstream is(datastring, std::ios_base::binary);
2748 u8 damage = readU8(is);
2750 actionstream<<player->getName()<<" damaged by "
2751 <<(int)damage<<" hp at "<<PP(player->getPosition()/BS)
2754 playersao->setHP(playersao->getHP() - damage);
2756 if(playersao->getHP() == 0 && playersao->m_hp_not_sent)
2759 if(playersao->m_hp_not_sent)
2760 SendPlayerHP(peer_id);
2762 else if(command == TOSERVER_PASSWORD)
2765 [0] u16 TOSERVER_PASSWORD
2766 [2] u8[28] old password
2767 [30] u8[28] new password
2770 if(datasize != 2+PASSWORD_SIZE*2)
2772 /*char password[PASSWORD_SIZE];
2773 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
2774 password[i] = data[2+i];
2775 password[PASSWORD_SIZE-1] = 0;*/
2777 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
2785 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
2787 char c = data[2+PASSWORD_SIZE+i];
2793 if(!base64_is_valid(newpwd)){
2794 infostream<<"Server: "<<player->getName()<<" supplied invalid password hash"<<std::endl;
2795 // Wrong old password supplied!!
2796 SendChatMessage(peer_id, L"Invalid new password hash supplied. Password NOT changed.");
2800 infostream<<"Server: Client requests a password change from "
2801 <<"'"<<oldpwd<<"' to '"<<newpwd<<"'"<<std::endl;
2803 std::string playername = player->getName();
2805 std::string checkpwd;
2806 scriptapi_get_auth(m_lua, playername, &checkpwd, NULL);
2808 if(oldpwd != checkpwd)
2810 infostream<<"Server: invalid old password"<<std::endl;
2811 // Wrong old password supplied!!
2812 SendChatMessage(peer_id, L"Invalid old password supplied. Password NOT changed.");
2816 bool success = scriptapi_set_password(m_lua, playername, newpwd);
2818 actionstream<<player->getName()<<" changes password"<<std::endl;
2819 SendChatMessage(peer_id, L"Password change successful");
2821 actionstream<<player->getName()<<" tries to change password but "
2822 <<"it fails"<<std::endl;
2823 SendChatMessage(peer_id, L"Password change failed or inavailable");
2826 else if(command == TOSERVER_PLAYERITEM)
2831 u16 item = readU16(&data[2]);
2832 playersao->setWieldIndex(item);
2834 else if(command == TOSERVER_RESPAWN)
2839 RespawnPlayer(peer_id);
2841 actionstream<<player->getName()<<" respawns at "
2842 <<PP(player->getPosition()/BS)<<std::endl;
2844 // ActiveObject is added to environment in AsyncRunStep after
2845 // the previous addition has been succesfully removed
2847 else if(command == TOSERVER_REQUEST_MEDIA) {
2848 std::string datastring((char*)&data[2], datasize-2);
2849 std::istringstream is(datastring, std::ios_base::binary);
2851 core::list<MediaRequest> tosend;
2852 u16 numfiles = readU16(is);
2854 infostream<<"Sending "<<numfiles<<" files to "
2855 <<getPlayerName(peer_id)<<std::endl;
2856 verbosestream<<"TOSERVER_REQUEST_MEDIA: "<<std::endl;
2858 for(int i = 0; i < numfiles; i++) {
2859 std::string name = deSerializeString(is);
2860 tosend.push_back(MediaRequest(name));
2861 verbosestream<<"TOSERVER_REQUEST_MEDIA: requested file "
2865 sendRequestedMedia(peer_id, tosend);
2867 // Now the client should know about everything
2868 // (definitions and files)
2869 getClient(peer_id)->definitions_sent = true;
2871 else if(command == TOSERVER_INTERACT)
2873 std::string datastring((char*)&data[2], datasize-2);
2874 std::istringstream is(datastring, std::ios_base::binary);
2880 [5] u32 length of the next item
2881 [9] serialized PointedThing
2883 0: start digging (from undersurface) or use
2884 1: stop digging (all parameters ignored)
2885 2: digging completed
2886 3: place block or item (to abovesurface)
2889 u8 action = readU8(is);
2890 u16 item_i = readU16(is);
2891 std::istringstream tmp_is(deSerializeLongString(is), std::ios::binary);
2892 PointedThing pointed;
2893 pointed.deSerialize(tmp_is);
2895 verbosestream<<"TOSERVER_INTERACT: action="<<(int)action<<", item="
2896 <<item_i<<", pointed="<<pointed.dump()<<std::endl;
2900 verbosestream<<"TOSERVER_INTERACT: "<<player->getName()
2901 <<" tried to interact, but is dead!"<<std::endl;
2905 v3f player_pos = playersao->getLastGoodPosition();
2907 // Update wielded item
2908 playersao->setWieldIndex(item_i);
2910 // Get pointed to node (undefined if not POINTEDTYPE_NODE)
2911 v3s16 p_under = pointed.node_undersurface;
2912 v3s16 p_above = pointed.node_abovesurface;
2914 // Get pointed to object (NULL if not POINTEDTYPE_OBJECT)
2915 ServerActiveObject *pointed_object = NULL;
2916 if(pointed.type == POINTEDTHING_OBJECT)
2918 pointed_object = m_env->getActiveObject(pointed.object_id);
2919 if(pointed_object == NULL)
2921 verbosestream<<"TOSERVER_INTERACT: "
2922 "pointed object is NULL"<<std::endl;
2928 v3f pointed_pos_under = player_pos;
2929 v3f pointed_pos_above = player_pos;
2930 if(pointed.type == POINTEDTHING_NODE)
2932 pointed_pos_under = intToFloat(p_under, BS);
2933 pointed_pos_above = intToFloat(p_above, BS);
2935 else if(pointed.type == POINTEDTHING_OBJECT)
2937 pointed_pos_under = pointed_object->getBasePosition();
2938 pointed_pos_above = pointed_pos_under;
2942 Check that target is reasonably close
2943 (only when digging or placing things)
2945 if(action == 0 || action == 2 || action == 3)
2947 float d = player_pos.getDistanceFrom(pointed_pos_under);
2948 float max_d = BS * 14; // Just some large enough value
2950 actionstream<<"Player "<<player->getName()
2951 <<" tried to access "<<pointed.dump()
2953 <<"d="<<d<<", max_d="<<max_d
2954 <<". ignoring."<<std::endl;
2955 // Re-send block to revert change on client-side
2956 RemoteClient *client = getClient(peer_id);
2957 v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_under, BS));
2958 client->SetBlockNotSent(blockpos);
2965 Make sure the player is allowed to do it
2967 if(!checkPriv(player->getName(), "interact"))
2969 actionstream<<player->getName()<<" attempted to interact with "
2970 <<pointed.dump()<<" without 'interact' privilege"
2972 // Re-send block to revert change on client-side
2973 RemoteClient *client = getClient(peer_id);
2974 // Digging completed -> under
2976 v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_under, BS));
2977 client->SetBlockNotSent(blockpos);
2979 // Placement -> above
2981 v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_above, BS));
2982 client->SetBlockNotSent(blockpos);
2988 0: start digging or punch object
2992 if(pointed.type == POINTEDTHING_NODE)
2995 NOTE: This can be used in the future to check if
2996 somebody is cheating, by checking the timing.
2998 MapNode n(CONTENT_IGNORE);
3001 n = m_env->getMap().getNode(p_under);
3003 catch(InvalidPositionException &e)
3005 infostream<<"Server: Not punching: Node not found."
3006 <<" Adding block to emerge queue."
3008 m_emerge_queue.addBlock(peer_id,
3009 getNodeBlockPos(p_above), BLOCK_EMERGE_FLAG_FROMDISK);
3011 if(n.getContent() != CONTENT_IGNORE)
3012 scriptapi_node_on_punch(m_lua, p_under, n, playersao);
3014 else if(pointed.type == POINTEDTHING_OBJECT)
3016 // Skip if object has been removed
3017 if(pointed_object->m_removed)
3020 actionstream<<player->getName()<<" punches object "
3021 <<pointed.object_id<<": "
3022 <<pointed_object->getDescription()<<std::endl;
3024 ItemStack punchitem = playersao->getWieldedItem();
3025 ToolCapabilities toolcap =
3026 punchitem.getToolCapabilities(m_itemdef);
3027 v3f dir = (pointed_object->getBasePosition() -
3028 (player->getPosition() + player->getEyeOffset())
3030 float time_from_last_punch =
3031 playersao->resetTimeFromLastPunch();
3032 pointed_object->punch(dir, &toolcap, playersao,
3033 time_from_last_punch);
3041 else if(action == 1)
3046 2: Digging completed
3048 else if(action == 2)
3050 // Only complete digging of nodes
3051 if(pointed.type == POINTEDTHING_NODE)
3053 MapNode n(CONTENT_IGNORE);
3056 n = m_env->getMap().getNode(p_under);
3058 catch(InvalidPositionException &e)
3060 infostream<<"Server: Not finishing digging: Node not found."
3061 <<" Adding block to emerge queue."
3063 m_emerge_queue.addBlock(peer_id,
3064 getNodeBlockPos(p_above), BLOCK_EMERGE_FLAG_FROMDISK);
3066 if(n.getContent() != CONTENT_IGNORE)
3067 scriptapi_node_on_dig(m_lua, p_under, n, playersao);
3069 if (m_env->getMap().getNodeNoEx(p_under).getContent() != CONTENT_AIR)
3071 // Re-send block to revert change on client-side
3072 RemoteClient *client = getClient(peer_id);
3073 v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_under, BS));
3074 client->SetBlockNotSent(blockpos);
3080 3: place block or right-click object
3082 else if(action == 3)
3084 ItemStack item = playersao->getWieldedItem();
3086 // Reset build time counter
3087 if(pointed.type == POINTEDTHING_NODE &&
3088 item.getDefinition(m_itemdef).type == ITEM_NODE)
3089 getClient(peer_id)->m_time_from_building = 0.0;
3091 if(pointed.type == POINTEDTHING_OBJECT)
3093 // Right click object
3095 // Skip if object has been removed
3096 if(pointed_object->m_removed)
3099 actionstream<<player->getName()<<" right-clicks object "
3100 <<pointed.object_id<<": "
3101 <<pointed_object->getDescription()<<std::endl;
3104 pointed_object->rightClick(playersao);
3106 else if(scriptapi_item_on_place(m_lua,
3107 item, playersao, pointed))
3109 // Placement was handled in lua
3111 // Apply returned ItemStack
3112 if(g_settings->getBool("creative_mode") == false)
3113 playersao->setWieldedItem(item);
3116 // If item has node placement prediction, always send the above
3117 // node to make sure the client knows what exactly happened
3118 if(item.getDefinition(m_itemdef).node_placement_prediction != ""){
3119 RemoteClient *client = getClient(peer_id);
3120 v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_above, BS));
3121 client->SetBlockNotSent(blockpos);
3128 else if(action == 4)
3130 ItemStack item = playersao->getWieldedItem();
3132 actionstream<<player->getName()<<" uses "<<item.name
3133 <<", pointing at "<<pointed.dump()<<std::endl;
3135 if(scriptapi_item_on_use(m_lua,
3136 item, playersao, pointed))
3138 // Apply returned ItemStack
3139 if(g_settings->getBool("creative_mode") == false)
3140 playersao->setWieldedItem(item);
3146 Catch invalid actions
3150 infostream<<"WARNING: Server: Invalid action "
3151 <<action<<std::endl;
3154 else if(command == TOSERVER_REMOVED_SOUNDS)
3156 std::string datastring((char*)&data[2], datasize-2);
3157 std::istringstream is(datastring, std::ios_base::binary);
3159 int num = readU16(is);
3160 for(int k=0; k<num; k++){
3161 s32 id = readS32(is);
3162 std::map<s32, ServerPlayingSound>::iterator i =
3163 m_playing_sounds.find(id);
3164 if(i == m_playing_sounds.end())
3166 ServerPlayingSound &psound = i->second;
3167 psound.clients.erase(peer_id);
3168 if(psound.clients.size() == 0)
3169 m_playing_sounds.erase(i++);
3172 else if(command == TOSERVER_NODEMETA_FIELDS)
3174 std::string datastring((char*)&data[2], datasize-2);
3175 std::istringstream is(datastring, std::ios_base::binary);
3177 v3s16 p = readV3S16(is);
3178 std::string formname = deSerializeString(is);
3179 int num = readU16(is);
3180 std::map<std::string, std::string> fields;
3181 for(int k=0; k<num; k++){
3182 std::string fieldname = deSerializeString(is);
3183 std::string fieldvalue = deSerializeLongString(is);
3184 fields[fieldname] = fieldvalue;
3187 scriptapi_node_on_receive_fields(m_lua, p, formname, fields,
3192 infostream<<"Server::ProcessData(): Ignoring "
3193 "unknown command "<<command<<std::endl;
3197 catch(SendFailedException &e)
3199 errorstream<<"Server::ProcessData(): SendFailedException: "
3205 void Server::onMapEditEvent(MapEditEvent *event)
3207 //infostream<<"Server::onMapEditEvent()"<<std::endl;
3208 if(m_ignore_map_edit_events)
3210 if(m_ignore_map_edit_events_area.contains(event->getArea()))
3212 MapEditEvent *e = event->clone();
3213 m_unsent_map_edit_queue.push_back(e);
3216 Inventory* Server::getInventory(const InventoryLocation &loc)
3219 case InventoryLocation::UNDEFINED:
3222 case InventoryLocation::CURRENT_PLAYER:
3225 case InventoryLocation::PLAYER:
3227 Player *player = m_env->getPlayer(loc.name.c_str());
3230 PlayerSAO *playersao = player->getPlayerSAO();
3233 return playersao->getInventory();
3236 case InventoryLocation::NODEMETA:
3238 NodeMetadata *meta = m_env->getMap().getNodeMetadata(loc.p);
3241 return meta->getInventory();
3249 void Server::setInventoryModified(const InventoryLocation &loc)
3252 case InventoryLocation::UNDEFINED:
3255 case InventoryLocation::PLAYER:
3257 Player *player = m_env->getPlayer(loc.name.c_str());
3260 PlayerSAO *playersao = player->getPlayerSAO();
3263 playersao->m_inventory_not_sent = true;
3264 playersao->m_wielded_item_not_sent = true;
3267 case InventoryLocation::NODEMETA:
3269 v3s16 blockpos = getNodeBlockPos(loc.p);
3271 MapBlock *block = m_env->getMap().getBlockNoCreateNoEx(blockpos);
3273 block->raiseModified(MOD_STATE_WRITE_NEEDED);
3275 setBlockNotSent(blockpos);
3283 core::list<PlayerInfo> Server::getPlayerInfo()
3285 DSTACK(__FUNCTION_NAME);
3286 JMutexAutoLock envlock(m_env_mutex);
3287 JMutexAutoLock conlock(m_con_mutex);
3289 core::list<PlayerInfo> list;
3291 core::list<Player*> players = m_env->getPlayers();
3293 core::list<Player*>::Iterator i;
3294 for(i = players.begin();
3295 i != players.end(); i++)
3299 Player *player = *i;
3302 // Copy info from connection to info struct
3303 info.id = player->peer_id;
3304 info.address = m_con.GetPeerAddress(player->peer_id);
3305 info.avg_rtt = m_con.GetPeerAvgRTT(player->peer_id);
3307 catch(con::PeerNotFoundException &e)
3309 // Set dummy peer info
3311 info.address = Address(0,0,0,0,0);
3315 snprintf(info.name, PLAYERNAME_SIZE, "%s", player->getName());
3316 info.position = player->getPosition();
3318 list.push_back(info);
3325 void Server::peerAdded(con::Peer *peer)
3327 DSTACK(__FUNCTION_NAME);
3328 verbosestream<<"Server::peerAdded(): peer->id="
3329 <<peer->id<<std::endl;
3332 c.type = PEER_ADDED;
3333 c.peer_id = peer->id;
3335 m_peer_change_queue.push_back(c);
3338 void Server::deletingPeer(con::Peer *peer, bool timeout)
3340 DSTACK(__FUNCTION_NAME);
3341 verbosestream<<"Server::deletingPeer(): peer->id="
3342 <<peer->id<<", timeout="<<timeout<<std::endl;
3345 c.type = PEER_REMOVED;
3346 c.peer_id = peer->id;
3347 c.timeout = timeout;
3348 m_peer_change_queue.push_back(c);
3355 void Server::SendHP(con::Connection &con, u16 peer_id, u8 hp)
3357 DSTACK(__FUNCTION_NAME);
3358 std::ostringstream os(std::ios_base::binary);
3360 writeU16(os, TOCLIENT_HP);
3364 std::string s = os.str();
3365 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3367 con.Send(peer_id, 0, data, true);
3370 void Server::SendAccessDenied(con::Connection &con, u16 peer_id,
3371 const std::wstring &reason)
3373 DSTACK(__FUNCTION_NAME);
3374 std::ostringstream os(std::ios_base::binary);
3376 writeU16(os, TOCLIENT_ACCESS_DENIED);
3377 os<<serializeWideString(reason);
3380 std::string s = os.str();
3381 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3383 con.Send(peer_id, 0, data, true);
3386 void Server::SendDeathscreen(con::Connection &con, u16 peer_id,
3387 bool set_camera_point_target, v3f camera_point_target)
3389 DSTACK(__FUNCTION_NAME);
3390 std::ostringstream os(std::ios_base::binary);
3392 writeU16(os, TOCLIENT_DEATHSCREEN);
3393 writeU8(os, set_camera_point_target);
3394 writeV3F1000(os, camera_point_target);
3397 std::string s = os.str();
3398 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3400 con.Send(peer_id, 0, data, true);
3403 void Server::SendItemDef(con::Connection &con, u16 peer_id,
3404 IItemDefManager *itemdef)
3406 DSTACK(__FUNCTION_NAME);
3407 std::ostringstream os(std::ios_base::binary);
3411 u32 length of the next item
3412 zlib-compressed serialized ItemDefManager
3414 writeU16(os, TOCLIENT_ITEMDEF);
3415 std::ostringstream tmp_os(std::ios::binary);
3416 itemdef->serialize(tmp_os);
3417 std::ostringstream tmp_os2(std::ios::binary);
3418 compressZlib(tmp_os.str(), tmp_os2);
3419 os<<serializeLongString(tmp_os2.str());
3422 std::string s = os.str();
3423 verbosestream<<"Server: Sending item definitions to id("<<peer_id
3424 <<"): size="<<s.size()<<std::endl;
3425 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3427 con.Send(peer_id, 0, data, true);
3430 void Server::SendNodeDef(con::Connection &con, u16 peer_id,
3431 INodeDefManager *nodedef)
3433 DSTACK(__FUNCTION_NAME);
3434 std::ostringstream os(std::ios_base::binary);
3438 u32 length of the next item
3439 zlib-compressed serialized NodeDefManager
3441 writeU16(os, TOCLIENT_NODEDEF);
3442 std::ostringstream tmp_os(std::ios::binary);
3443 nodedef->serialize(tmp_os);
3444 std::ostringstream tmp_os2(std::ios::binary);
3445 compressZlib(tmp_os.str(), tmp_os2);
3446 os<<serializeLongString(tmp_os2.str());
3449 std::string s = os.str();
3450 verbosestream<<"Server: Sending node definitions to id("<<peer_id
3451 <<"): size="<<s.size()<<std::endl;
3452 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3454 con.Send(peer_id, 0, data, true);
3458 Non-static send methods
3461 void Server::SendInventory(u16 peer_id)
3463 DSTACK(__FUNCTION_NAME);
3465 PlayerSAO *playersao = getPlayerSAO(peer_id);
3468 playersao->m_inventory_not_sent = false;
3474 std::ostringstream os;
3475 playersao->getInventory()->serialize(os);
3477 std::string s = os.str();
3479 SharedBuffer<u8> data(s.size()+2);
3480 writeU16(&data[0], TOCLIENT_INVENTORY);
3481 memcpy(&data[2], s.c_str(), s.size());
3484 m_con.Send(peer_id, 0, data, true);
3487 void Server::SendChatMessage(u16 peer_id, const std::wstring &message)
3489 DSTACK(__FUNCTION_NAME);
3491 std::ostringstream os(std::ios_base::binary);
3495 writeU16(buf, TOCLIENT_CHAT_MESSAGE);
3496 os.write((char*)buf, 2);
3499 writeU16(buf, message.size());
3500 os.write((char*)buf, 2);
3503 for(u32 i=0; i<message.size(); i++)
3507 os.write((char*)buf, 2);
3511 std::string s = os.str();
3512 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3514 m_con.Send(peer_id, 0, data, true);
3517 void Server::BroadcastChatMessage(const std::wstring &message)
3519 for(core::map<u16, RemoteClient*>::Iterator
3520 i = m_clients.getIterator();
3521 i.atEnd() == false; i++)
3523 // Get client and check that it is valid
3524 RemoteClient *client = i.getNode()->getValue();
3525 assert(client->peer_id == i.getNode()->getKey());
3526 if(client->serialization_version == SER_FMT_VER_INVALID)
3529 SendChatMessage(client->peer_id, message);
3533 void Server::SendPlayerHP(u16 peer_id)
3535 DSTACK(__FUNCTION_NAME);
3536 PlayerSAO *playersao = getPlayerSAO(peer_id);
3538 playersao->m_hp_not_sent = false;
3539 SendHP(m_con, peer_id, playersao->getHP());
3542 void Server::SendMovePlayer(u16 peer_id)
3544 DSTACK(__FUNCTION_NAME);
3545 Player *player = m_env->getPlayer(peer_id);
3548 std::ostringstream os(std::ios_base::binary);
3549 writeU16(os, TOCLIENT_MOVE_PLAYER);
3550 writeV3F1000(os, player->getPosition());
3551 writeF1000(os, player->getPitch());
3552 writeF1000(os, player->getYaw());
3555 v3f pos = player->getPosition();
3556 f32 pitch = player->getPitch();
3557 f32 yaw = player->getYaw();
3558 verbosestream<<"Server: Sending TOCLIENT_MOVE_PLAYER"
3559 <<" pos=("<<pos.X<<","<<pos.Y<<","<<pos.Z<<")"
3566 std::string s = os.str();
3567 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3569 m_con.Send(peer_id, 0, data, true);
3572 void Server::SendPlayerPrivileges(u16 peer_id)
3574 Player *player = m_env->getPlayer(peer_id);
3576 std::set<std::string> privs;
3577 scriptapi_get_auth(m_lua, player->getName(), NULL, &privs);
3579 std::ostringstream os(std::ios_base::binary);
3580 writeU16(os, TOCLIENT_PRIVILEGES);
3581 writeU16(os, privs.size());
3582 for(std::set<std::string>::const_iterator i = privs.begin();
3583 i != privs.end(); i++){
3584 os<<serializeString(*i);
3588 std::string s = os.str();
3589 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3591 m_con.Send(peer_id, 0, data, true);
3594 s32 Server::playSound(const SimpleSoundSpec &spec,
3595 const ServerSoundParams ¶ms)
3597 // Find out initial position of sound
3598 bool pos_exists = false;
3599 v3f pos = params.getPos(m_env, &pos_exists);
3600 // If position is not found while it should be, cancel sound
3601 if(pos_exists != (params.type != ServerSoundParams::SSP_LOCAL))
3603 // Filter destination clients
3604 std::set<RemoteClient*> dst_clients;
3605 if(params.to_player != "")
3607 Player *player = m_env->getPlayer(params.to_player.c_str());
3609 infostream<<"Server::playSound: Player \""<<params.to_player
3610 <<"\" not found"<<std::endl;
3613 if(player->peer_id == PEER_ID_INEXISTENT){
3614 infostream<<"Server::playSound: Player \""<<params.to_player
3615 <<"\" not connected"<<std::endl;
3618 RemoteClient *client = getClient(player->peer_id);
3619 dst_clients.insert(client);
3623 for(core::map<u16, RemoteClient*>::Iterator
3624 i = m_clients.getIterator(); i.atEnd() == false; i++)
3626 RemoteClient *client = i.getNode()->getValue();
3627 Player *player = m_env->getPlayer(client->peer_id);
3631 if(player->getPosition().getDistanceFrom(pos) >
3632 params.max_hear_distance)
3635 dst_clients.insert(client);
3638 if(dst_clients.size() == 0)
3641 s32 id = m_next_sound_id++;
3642 // The sound will exist as a reference in m_playing_sounds
3643 m_playing_sounds[id] = ServerPlayingSound();
3644 ServerPlayingSound &psound = m_playing_sounds[id];
3645 psound.params = params;
3646 for(std::set<RemoteClient*>::iterator i = dst_clients.begin();
3647 i != dst_clients.end(); i++)
3648 psound.clients.insert((*i)->peer_id);
3650 std::ostringstream os(std::ios_base::binary);
3651 writeU16(os, TOCLIENT_PLAY_SOUND);
3653 os<<serializeString(spec.name);
3654 writeF1000(os, spec.gain * params.gain);
3655 writeU8(os, params.type);
3656 writeV3F1000(os, pos);
3657 writeU16(os, params.object);
3658 writeU8(os, params.loop);
3660 std::string s = os.str();
3661 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3663 for(std::set<RemoteClient*>::iterator i = dst_clients.begin();
3664 i != dst_clients.end(); i++){
3666 m_con.Send((*i)->peer_id, 0, data, true);
3670 void Server::stopSound(s32 handle)
3672 // Get sound reference
3673 std::map<s32, ServerPlayingSound>::iterator i =
3674 m_playing_sounds.find(handle);
3675 if(i == m_playing_sounds.end())
3677 ServerPlayingSound &psound = i->second;
3679 std::ostringstream os(std::ios_base::binary);
3680 writeU16(os, TOCLIENT_STOP_SOUND);
3681 writeS32(os, handle);
3683 std::string s = os.str();
3684 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3686 for(std::set<u16>::iterator i = psound.clients.begin();
3687 i != psound.clients.end(); i++){
3689 m_con.Send(*i, 0, data, true);
3691 // Remove sound reference
3692 m_playing_sounds.erase(i);
3695 void Server::sendRemoveNode(v3s16 p, u16 ignore_id,
3696 core::list<u16> *far_players, float far_d_nodes)
3698 float maxd = far_d_nodes*BS;
3699 v3f p_f = intToFloat(p, BS);
3703 SharedBuffer<u8> reply(replysize);
3704 writeU16(&reply[0], TOCLIENT_REMOVENODE);
3705 writeS16(&reply[2], p.X);
3706 writeS16(&reply[4], p.Y);
3707 writeS16(&reply[6], p.Z);
3709 for(core::map<u16, RemoteClient*>::Iterator
3710 i = m_clients.getIterator();
3711 i.atEnd() == false; i++)
3713 // Get client and check that it is valid
3714 RemoteClient *client = i.getNode()->getValue();
3715 assert(client->peer_id == i.getNode()->getKey());
3716 if(client->serialization_version == SER_FMT_VER_INVALID)
3719 // Don't send if it's the same one
3720 if(client->peer_id == ignore_id)
3726 Player *player = m_env->getPlayer(client->peer_id);
3729 // If player is far away, only set modified blocks not sent
3730 v3f player_pos = player->getPosition();
3731 if(player_pos.getDistanceFrom(p_f) > maxd)
3733 far_players->push_back(client->peer_id);
3740 m_con.Send(client->peer_id, 0, reply, true);
3744 void Server::sendAddNode(v3s16 p, MapNode n, u16 ignore_id,
3745 core::list<u16> *far_players, float far_d_nodes)
3747 float maxd = far_d_nodes*BS;
3748 v3f p_f = intToFloat(p, BS);
3750 for(core::map<u16, RemoteClient*>::Iterator
3751 i = m_clients.getIterator();
3752 i.atEnd() == false; i++)
3754 // Get client and check that it is valid
3755 RemoteClient *client = i.getNode()->getValue();
3756 assert(client->peer_id == i.getNode()->getKey());
3757 if(client->serialization_version == SER_FMT_VER_INVALID)
3760 // Don't send if it's the same one
3761 if(client->peer_id == ignore_id)
3767 Player *player = m_env->getPlayer(client->peer_id);
3770 // If player is far away, only set modified blocks not sent
3771 v3f player_pos = player->getPosition();
3772 if(player_pos.getDistanceFrom(p_f) > maxd)
3774 far_players->push_back(client->peer_id);
3781 u32 replysize = 8 + MapNode::serializedLength(client->serialization_version);
3782 SharedBuffer<u8> reply(replysize);
3783 writeU16(&reply[0], TOCLIENT_ADDNODE);
3784 writeS16(&reply[2], p.X);
3785 writeS16(&reply[4], p.Y);
3786 writeS16(&reply[6], p.Z);
3787 n.serialize(&reply[8], client->serialization_version);
3790 m_con.Send(client->peer_id, 0, reply, true);
3794 void Server::setBlockNotSent(v3s16 p)
3796 for(core::map<u16, RemoteClient*>::Iterator
3797 i = m_clients.getIterator();
3798 i.atEnd()==false; i++)
3800 RemoteClient *client = i.getNode()->getValue();
3801 client->SetBlockNotSent(p);
3805 void Server::SendBlockNoLock(u16 peer_id, MapBlock *block, u8 ver)
3807 DSTACK(__FUNCTION_NAME);
3809 v3s16 p = block->getPos();
3813 bool completely_air = true;
3814 for(s16 z0=0; z0<MAP_BLOCKSIZE; z0++)
3815 for(s16 x0=0; x0<MAP_BLOCKSIZE; x0++)
3816 for(s16 y0=0; y0<MAP_BLOCKSIZE; y0++)
3818 if(block->getNodeNoEx(v3s16(x0,y0,z0)).d != CONTENT_AIR)
3820 completely_air = false;
3821 x0 = y0 = z0 = MAP_BLOCKSIZE; // Break out
3826 infostream<<"Server: Sending block ("<<p.X<<","<<p.Y<<","<<p.Z<<"): ";
3828 infostream<<"[completely air] ";
3829 infostream<<std::endl;
3833 Create a packet with the block in the right format
3836 std::ostringstream os(std::ios_base::binary);
3837 block->serialize(os, ver, false);
3838 std::string s = os.str();
3839 SharedBuffer<u8> blockdata((u8*)s.c_str(), s.size());
3841 u32 replysize = 8 + blockdata.getSize();
3842 SharedBuffer<u8> reply(replysize);
3843 writeU16(&reply[0], TOCLIENT_BLOCKDATA);
3844 writeS16(&reply[2], p.X);
3845 writeS16(&reply[4], p.Y);
3846 writeS16(&reply[6], p.Z);
3847 memcpy(&reply[8], *blockdata, blockdata.getSize());
3849 /*infostream<<"Server: Sending block ("<<p.X<<","<<p.Y<<","<<p.Z<<")"
3850 <<": \tpacket size: "<<replysize<<std::endl;*/
3855 m_con.Send(peer_id, 1, reply, true);
3858 void Server::SendBlocks(float dtime)
3860 DSTACK(__FUNCTION_NAME);
3862 JMutexAutoLock envlock(m_env_mutex);
3863 JMutexAutoLock conlock(m_con_mutex);
3865 ScopeProfiler sp(g_profiler, "Server: sel and send blocks to clients");
3867 core::array<PrioritySortedBlockTransfer> queue;
3869 s32 total_sending = 0;
3872 ScopeProfiler sp(g_profiler, "Server: selecting blocks for sending");
3874 for(core::map<u16, RemoteClient*>::Iterator
3875 i = m_clients.getIterator();
3876 i.atEnd() == false; i++)
3878 RemoteClient *client = i.getNode()->getValue();
3879 assert(client->peer_id == i.getNode()->getKey());
3881 // If definitions and textures have not been sent, don't
3882 // send MapBlocks either
3883 if(!client->definitions_sent)
3886 total_sending += client->SendingCount();
3888 if(client->serialization_version == SER_FMT_VER_INVALID)
3891 client->GetNextBlocks(this, dtime, queue);
3896 // Lowest priority number comes first.
3897 // Lowest is most important.
3900 for(u32 i=0; i<queue.size(); i++)
3902 //TODO: Calculate limit dynamically
3903 if(total_sending >= g_settings->getS32
3904 ("max_simultaneous_block_sends_server_total"))
3907 PrioritySortedBlockTransfer q = queue[i];
3909 MapBlock *block = NULL;
3912 block = m_env->getMap().getBlockNoCreate(q.pos);
3914 catch(InvalidPositionException &e)
3919 RemoteClient *client = getClient(q.peer_id);
3921 SendBlockNoLock(q.peer_id, block, client->serialization_version);
3923 client->SentBlock(q.pos);
3929 void Server::fillMediaCache()
3931 DSTACK(__FUNCTION_NAME);
3933 infostream<<"Server: Calculating media file checksums"<<std::endl;
3935 // Collect all media file paths
3936 std::list<std::string> paths;
3937 for(core::list<ModSpec>::Iterator i = m_mods.begin();
3938 i != m_mods.end(); i++){
3939 const ModSpec &mod = *i;
3940 paths.push_back(mod.path + DIR_DELIM + "textures");
3941 paths.push_back(mod.path + DIR_DELIM + "sounds");
3942 paths.push_back(mod.path + DIR_DELIM + "media");
3945 // Collect media file information from paths into cache
3946 for(std::list<std::string>::iterator i = paths.begin();
3947 i != paths.end(); i++)
3949 std::string mediapath = *i;
3950 std::vector<fs::DirListNode> dirlist = fs::GetDirListing(mediapath);
3951 for(u32 j=0; j<dirlist.size(); j++){
3952 if(dirlist[j].dir) // Ignode dirs
3954 std::string filename = dirlist[j].name;
3955 // If name contains illegal characters, ignore the file
3956 if(!string_allowed(filename, TEXTURENAME_ALLOWED_CHARS)){
3957 infostream<<"Server: ignoring illegal file name: \""
3958 <<filename<<"\""<<std::endl;
3961 // If name is not in a supported format, ignore it
3962 const char *supported_ext[] = {
3963 ".png", ".jpg", ".bmp", ".tga",
3964 ".pcx", ".ppm", ".psd", ".wal", ".rgb",
3968 if(removeStringEnd(filename, supported_ext) == ""){
3969 infostream<<"Server: ignoring unsupported file extension: \""
3970 <<filename<<"\""<<std::endl;
3973 // Ok, attempt to load the file and add to cache
3974 std::string filepath = mediapath + DIR_DELIM + filename;
3976 std::ifstream fis(filepath.c_str(), std::ios_base::binary);
3977 if(fis.good() == false){
3978 errorstream<<"Server::fillMediaCache(): Could not open \""
3979 <<filename<<"\" for reading"<<std::endl;
3982 std::ostringstream tmp_os(std::ios_base::binary);
3986 fis.read(buf, 1024);
3987 std::streamsize len = fis.gcount();
3988 tmp_os.write(buf, len);
3997 errorstream<<"Server::fillMediaCache(): Failed to read \""
3998 <<filename<<"\""<<std::endl;
4001 if(tmp_os.str().length() == 0){
4002 errorstream<<"Server::fillMediaCache(): Empty file \""
4003 <<filepath<<"\""<<std::endl;
4008 sha1.addBytes(tmp_os.str().c_str(), tmp_os.str().length());
4010 unsigned char *digest = sha1.getDigest();
4011 std::string sha1_base64 = base64_encode(digest, 20);
4012 std::string sha1_hex = hex_encode((char*)digest, 20);
4016 this->m_media[filename] = MediaInfo(filepath, sha1_base64);
4017 verbosestream<<"Server: "<<sha1_hex<<" is "<<filename<<std::endl;
4022 struct SendableMediaAnnouncement
4025 std::string sha1_digest;
4027 SendableMediaAnnouncement(const std::string name_="",
4028 const std::string sha1_digest_=""):
4030 sha1_digest(sha1_digest_)
4034 void Server::sendMediaAnnouncement(u16 peer_id)
4036 DSTACK(__FUNCTION_NAME);
4038 verbosestream<<"Server: Announcing files to id("<<peer_id<<")"
4041 core::list<SendableMediaAnnouncement> file_announcements;
4043 for(std::map<std::string, MediaInfo>::iterator i = m_media.begin();
4044 i != m_media.end(); i++){
4046 file_announcements.push_back(
4047 SendableMediaAnnouncement(i->first, i->second.sha1_digest));
4051 std::ostringstream os(std::ios_base::binary);
4059 u16 length of sha1_digest
4064 writeU16(os, TOCLIENT_ANNOUNCE_MEDIA);
4065 writeU16(os, file_announcements.size());
4067 for(core::list<SendableMediaAnnouncement>::Iterator
4068 j = file_announcements.begin();
4069 j != file_announcements.end(); j++){
4070 os<<serializeString(j->name);
4071 os<<serializeString(j->sha1_digest);
4075 std::string s = os.str();
4076 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
4079 m_con.Send(peer_id, 0, data, true);
4083 struct SendableMedia
4089 SendableMedia(const std::string &name_="", const std::string path_="",
4090 const std::string &data_=""):
4097 void Server::sendRequestedMedia(u16 peer_id,
4098 const core::list<MediaRequest> &tosend)
4100 DSTACK(__FUNCTION_NAME);
4102 verbosestream<<"Server::sendRequestedMedia(): "
4103 <<"Sending files to client"<<std::endl;
4107 // Put 5kB in one bunch (this is not accurate)
4108 u32 bytes_per_bunch = 5000;
4110 core::array< core::list<SendableMedia> > file_bunches;
4111 file_bunches.push_back(core::list<SendableMedia>());
4113 u32 file_size_bunch_total = 0;
4115 for(core::list<MediaRequest>::ConstIterator i = tosend.begin();
4116 i != tosend.end(); i++)
4118 if(m_media.find(i->name) == m_media.end()){
4119 errorstream<<"Server::sendRequestedMedia(): Client asked for "
4120 <<"unknown file \""<<(i->name)<<"\""<<std::endl;
4124 //TODO get path + name
4125 std::string tpath = m_media[(*i).name].path;
4128 std::ifstream fis(tpath.c_str(), std::ios_base::binary);
4129 if(fis.good() == false){
4130 errorstream<<"Server::sendRequestedMedia(): Could not open \""
4131 <<tpath<<"\" for reading"<<std::endl;
4134 std::ostringstream tmp_os(std::ios_base::binary);
4138 fis.read(buf, 1024);
4139 std::streamsize len = fis.gcount();
4140 tmp_os.write(buf, len);
4141 file_size_bunch_total += len;
4150 errorstream<<"Server::sendRequestedMedia(): Failed to read \""
4151 <<(*i).name<<"\""<<std::endl;
4154 /*infostream<<"Server::sendRequestedMedia(): Loaded \""
4155 <<tname<<"\""<<std::endl;*/
4157 file_bunches[file_bunches.size()-1].push_back(
4158 SendableMedia((*i).name, tpath, tmp_os.str()));
4160 // Start next bunch if got enough data
4161 if(file_size_bunch_total >= bytes_per_bunch){
4162 file_bunches.push_back(core::list<SendableMedia>());
4163 file_size_bunch_total = 0;
4168 /* Create and send packets */
4170 u32 num_bunches = file_bunches.size();
4171 for(u32 i=0; i<num_bunches; i++)
4173 std::ostringstream os(std::ios_base::binary);
4177 u16 total number of texture bunches
4178 u16 index of this bunch
4179 u32 number of files in this bunch
4188 writeU16(os, TOCLIENT_MEDIA);
4189 writeU16(os, num_bunches);
4191 writeU32(os, file_bunches[i].size());
4193 for(core::list<SendableMedia>::Iterator
4194 j = file_bunches[i].begin();
4195 j != file_bunches[i].end(); j++){
4196 os<<serializeString(j->name);
4197 os<<serializeLongString(j->data);
4201 std::string s = os.str();
4202 verbosestream<<"Server::sendRequestedMedia(): bunch "
4203 <<i<<"/"<<num_bunches
4204 <<" files="<<file_bunches[i].size()
4205 <<" size=" <<s.size()<<std::endl;
4206 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
4208 m_con.Send(peer_id, 0, data, true);
4216 void Server::DiePlayer(u16 peer_id)
4218 DSTACK(__FUNCTION_NAME);
4220 PlayerSAO *playersao = getPlayerSAO(peer_id);
4223 infostream<<"Server::DiePlayer(): Player "
4224 <<playersao->getPlayer()->getName()
4225 <<" dies"<<std::endl;
4227 playersao->setHP(0);
4229 // Trigger scripted stuff
4230 scriptapi_on_dieplayer(m_lua, playersao);
4232 SendPlayerHP(peer_id);
4233 SendDeathscreen(m_con, peer_id, false, v3f(0,0,0));
4236 void Server::RespawnPlayer(u16 peer_id)
4238 DSTACK(__FUNCTION_NAME);
4240 PlayerSAO *playersao = getPlayerSAO(peer_id);
4243 infostream<<"Server::RespawnPlayer(): Player "
4244 <<playersao->getPlayer()->getName()
4245 <<" respawns"<<std::endl;
4247 playersao->setHP(PLAYER_MAX_HP);
4249 bool repositioned = scriptapi_on_respawnplayer(m_lua, playersao);
4251 v3f pos = findSpawnPos(m_env->getServerMap());
4252 playersao->setPos(pos);
4256 void Server::UpdateCrafting(u16 peer_id)
4258 DSTACK(__FUNCTION_NAME);
4260 Player* player = m_env->getPlayer(peer_id);
4263 // Get a preview for crafting
4265 // No crafting in creative mode
4266 if(g_settings->getBool("creative_mode") == false)
4267 getCraftingResult(&player->inventory, preview, false, this);
4269 // Put the new preview in
4270 InventoryList *plist = player->inventory.getList("craftpreview");
4272 assert(plist->getSize() >= 1);
4273 plist->changeItem(0, preview);
4276 RemoteClient* Server::getClient(u16 peer_id)
4278 DSTACK(__FUNCTION_NAME);
4279 //JMutexAutoLock lock(m_con_mutex);
4280 core::map<u16, RemoteClient*>::Node *n;
4281 n = m_clients.find(peer_id);
4282 // A client should exist for all peers
4284 return n->getValue();
4287 std::wstring Server::getStatusString()
4289 std::wostringstream os(std::ios_base::binary);
4292 os<<L"version="<<narrow_to_wide(VERSION_STRING);
4294 os<<L", uptime="<<m_uptime.get();
4295 // Information about clients
4297 for(core::map<u16, RemoteClient*>::Iterator
4298 i = m_clients.getIterator();
4299 i.atEnd() == false; i++)
4301 // Get client and check that it is valid
4302 RemoteClient *client = i.getNode()->getValue();
4303 assert(client->peer_id == i.getNode()->getKey());
4304 if(client->serialization_version == SER_FMT_VER_INVALID)
4307 Player *player = m_env->getPlayer(client->peer_id);
4308 // Get name of player
4309 std::wstring name = L"unknown";
4311 name = narrow_to_wide(player->getName());
4312 // Add name to information string
4316 if(((ServerMap*)(&m_env->getMap()))->isSavingEnabled() == false)
4317 os<<std::endl<<L"# Server: "<<" WARNING: Map saving is disabled.";
4318 if(g_settings->get("motd") != "")
4319 os<<std::endl<<L"# Server: "<<narrow_to_wide(g_settings->get("motd"));
4323 std::set<std::string> Server::getPlayerEffectivePrivs(const std::string &name)
4325 std::set<std::string> privs;
4326 scriptapi_get_auth(m_lua, name, NULL, &privs);
4330 bool Server::checkPriv(const std::string &name, const std::string &priv)
4332 std::set<std::string> privs = getPlayerEffectivePrivs(name);
4333 return (privs.count(priv) != 0);
4336 void Server::reportPrivsModified(const std::string &name)
4339 for(core::map<u16, RemoteClient*>::Iterator
4340 i = m_clients.getIterator();
4341 i.atEnd() == false; i++){
4342 RemoteClient *client = i.getNode()->getValue();
4343 Player *player = m_env->getPlayer(client->peer_id);
4344 reportPrivsModified(player->getName());
4347 Player *player = m_env->getPlayer(name.c_str());
4350 SendPlayerPrivileges(player->peer_id);
4351 PlayerSAO *sao = player->getPlayerSAO();
4354 sao->updatePrivileges(
4355 getPlayerEffectivePrivs(name),
4360 // Saves g_settings to configpath given at initialization
4361 void Server::saveConfig()
4363 if(m_path_config != "")
4364 g_settings->updateConfigFile(m_path_config.c_str());
4367 void Server::notifyPlayer(const char *name, const std::wstring msg)
4369 Player *player = m_env->getPlayer(name);
4372 SendChatMessage(player->peer_id, std::wstring(L"Server: -!- ")+msg);
4375 void Server::notifyPlayers(const std::wstring msg)
4377 BroadcastChatMessage(msg);
4380 void Server::queueBlockEmerge(v3s16 blockpos, bool allow_generate)
4384 flags |= BLOCK_EMERGE_FLAG_FROMDISK;
4385 m_emerge_queue.addBlock(PEER_ID_INEXISTENT, blockpos, flags);
4388 // IGameDef interface
4390 IItemDefManager* Server::getItemDefManager()
4394 INodeDefManager* Server::getNodeDefManager()
4398 ICraftDefManager* Server::getCraftDefManager()
4402 ITextureSource* Server::getTextureSource()
4406 u16 Server::allocateUnknownNodeId(const std::string &name)
4408 return m_nodedef->allocateDummy(name);
4410 ISoundManager* Server::getSoundManager()
4412 return &dummySoundManager;
4414 MtEventManager* Server::getEventManager()
4419 IWritableItemDefManager* Server::getWritableItemDefManager()
4423 IWritableNodeDefManager* Server::getWritableNodeDefManager()
4427 IWritableCraftDefManager* Server::getWritableCraftDefManager()
4432 const ModSpec* Server::getModSpec(const std::string &modname)
4434 for(core::list<ModSpec>::Iterator i = m_mods.begin();
4435 i != m_mods.end(); i++){
4436 const ModSpec &mod = *i;
4437 if(mod.name == modname)
4442 std::string Server::getBuiltinLuaPath()
4444 return porting::path_share + DIR_DELIM + "builtin";
4447 v3f findSpawnPos(ServerMap &map)
4449 //return v3f(50,50,50)*BS;
4454 nodepos = v2s16(0,0);
4459 // Try to find a good place a few times
4460 for(s32 i=0; i<1000; i++)
4463 // We're going to try to throw the player to this position
4464 v2s16 nodepos2d = v2s16(-range + (myrand()%(range*2)),
4465 -range + (myrand()%(range*2)));
4466 //v2s16 sectorpos = getNodeSectorPos(nodepos2d);
4467 // Get ground height at point (fallbacks to heightmap function)
4468 s16 groundheight = map.findGroundLevel(nodepos2d);
4469 // Don't go underwater
4470 if(groundheight < WATER_LEVEL)
4472 //infostream<<"-> Underwater"<<std::endl;
4475 // Don't go to high places
4476 if(groundheight > WATER_LEVEL + 4)
4478 //infostream<<"-> Underwater"<<std::endl;
4482 nodepos = v3s16(nodepos2d.X, groundheight-2, nodepos2d.Y);
4483 bool is_good = false;
4485 for(s32 i=0; i<10; i++){
4486 v3s16 blockpos = getNodeBlockPos(nodepos);
4487 map.emergeBlock(blockpos, true);
4488 MapNode n = map.getNodeNoEx(nodepos);
4489 if(n.getContent() == CONTENT_AIR){
4500 // Found a good place
4501 //infostream<<"Searched through "<<i<<" places."<<std::endl;
4507 return intToFloat(nodepos, BS);
4510 PlayerSAO* Server::emergePlayer(const char *name, u16 peer_id)
4512 RemotePlayer *player = NULL;
4513 bool newplayer = false;
4516 Try to get an existing player
4518 player = static_cast<RemotePlayer*>(m_env->getPlayer(name));
4520 // If player is already connected, cancel
4521 if(player != NULL && player->peer_id != 0)
4523 infostream<<"emergePlayer(): Player already connected"<<std::endl;
4528 If player with the wanted peer_id already exists, cancel.
4530 if(m_env->getPlayer(peer_id) != NULL)
4532 infostream<<"emergePlayer(): Player with wrong name but same"
4533 " peer_id already exists"<<std::endl;
4538 Create a new player if it doesn't exist yet
4543 player = new RemotePlayer(this);
4544 player->updateName(name);
4546 /* Set player position */
4547 infostream<<"Server: Finding spawn place for player \""
4548 <<name<<"\""<<std::endl;
4549 v3f pos = findSpawnPos(m_env->getServerMap());
4550 player->setPosition(pos);
4552 /* Add player to environment */
4553 m_env->addPlayer(player);
4557 Create a new player active object
4559 PlayerSAO *playersao = new PlayerSAO(m_env, player, peer_id,
4560 getPlayerEffectivePrivs(player->getName()),
4563 /* Add object to environment */
4564 m_env->addActiveObject(playersao);
4568 scriptapi_on_newplayer(m_lua, playersao);
4570 scriptapi_on_joinplayer(m_lua, playersao);
4573 if(g_settings->getBool("creative_mode"))
4574 playersao->createCreativeInventory();
4579 void Server::handlePeerChange(PeerChange &c)
4581 JMutexAutoLock envlock(m_env_mutex);
4582 JMutexAutoLock conlock(m_con_mutex);
4584 if(c.type == PEER_ADDED)
4591 core::map<u16, RemoteClient*>::Node *n;
4592 n = m_clients.find(c.peer_id);
4593 // The client shouldn't already exist
4597 RemoteClient *client = new RemoteClient();
4598 client->peer_id = c.peer_id;
4599 m_clients.insert(client->peer_id, client);
4602 else if(c.type == PEER_REMOVED)
4609 core::map<u16, RemoteClient*>::Node *n;
4610 n = m_clients.find(c.peer_id);
4611 // The client should exist
4615 Mark objects to be not known by the client
4617 RemoteClient *client = n->getValue();
4619 for(core::map<u16, bool>::Iterator
4620 i = client->m_known_objects.getIterator();
4621 i.atEnd()==false; i++)
4624 u16 id = i.getNode()->getKey();
4625 ServerActiveObject* obj = m_env->getActiveObject(id);
4627 if(obj && obj->m_known_by_count > 0)
4628 obj->m_known_by_count--;
4632 Clear references to playing sounds
4634 for(std::map<s32, ServerPlayingSound>::iterator
4635 i = m_playing_sounds.begin();
4636 i != m_playing_sounds.end();)
4638 ServerPlayingSound &psound = i->second;
4639 psound.clients.erase(c.peer_id);
4640 if(psound.clients.size() == 0)
4641 m_playing_sounds.erase(i++);
4646 Player *player = m_env->getPlayer(c.peer_id);
4648 // Collect information about leaving in chat
4649 std::wstring message;
4653 std::wstring name = narrow_to_wide(player->getName());
4656 message += L" left game";
4658 message += L" (timed out)";
4662 /* Run scripts and remove from environment */
4666 PlayerSAO *playersao = player->getPlayerSAO();
4669 scriptapi_on_leaveplayer(m_lua, playersao);
4671 playersao->disconnected();
4681 std::ostringstream os(std::ios_base::binary);
4682 for(core::map<u16, RemoteClient*>::Iterator
4683 i = m_clients.getIterator();
4684 i.atEnd() == false; i++)
4686 RemoteClient *client = i.getNode()->getValue();
4687 assert(client->peer_id == i.getNode()->getKey());
4688 if(client->serialization_version == SER_FMT_VER_INVALID)
4691 Player *player = m_env->getPlayer(client->peer_id);
4694 // Get name of player
4695 os<<player->getName()<<" ";
4698 actionstream<<player->getName()<<" "
4699 <<(c.timeout?"times out.":"leaves game.")
4700 <<" List of players: "
4701 <<os.str()<<std::endl;
4706 delete m_clients[c.peer_id];
4707 m_clients.remove(c.peer_id);
4709 // Send player info to all remaining clients
4710 //SendPlayerInfos();
4712 // Send leave chat message to all remaining clients
4713 if(message.length() != 0)
4714 BroadcastChatMessage(message);
4723 void Server::handlePeerChanges()
4725 while(m_peer_change_queue.size() > 0)
4727 PeerChange c = m_peer_change_queue.pop_front();
4729 verbosestream<<"Server: Handling peer change: "
4730 <<"id="<<c.peer_id<<", timeout="<<c.timeout
4733 handlePeerChange(c);
4737 void dedicated_server_loop(Server &server, bool &kill)
4739 DSTACK(__FUNCTION_NAME);
4741 verbosestream<<"dedicated_server_loop()"<<std::endl;
4743 IntervalLimiter m_profiler_interval;
4747 float steplen = g_settings->getFloat("dedicated_server_step");
4748 // This is kind of a hack but can be done like this
4749 // because server.step() is very light
4751 ScopeProfiler sp(g_profiler, "dedicated server sleep");
4752 sleep_ms((int)(steplen*1000.0));
4754 server.step(steplen);
4756 if(server.getShutdownRequested() || kill)
4758 infostream<<"Dedicated server quitting"<<std::endl;
4765 float profiler_print_interval =
4766 g_settings->getFloat("profiler_print_interval");
4767 if(profiler_print_interval != 0)
4769 if(m_profiler_interval.step(steplen, profiler_print_interval))
4771 infostream<<"Profiler:"<<std::endl;
4772 g_profiler->print(infostream);
4773 g_profiler->clear();