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 General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
23 #include "clientserver.h"
25 #include "jmutexautolock.h"
27 #include "constants.h"
29 #include "materials.h"
32 #include "servercommand.h"
34 #include "content_mapnode.h"
35 #include "content_craft.h"
36 #include "content_nodemeta.h"
38 #include "serverobject.h"
43 #include "scriptapi.h"
48 #define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
50 #define BLOCK_EMERGE_FLAG_FROMDISK (1<<0)
52 class MapEditEventIgnorer
55 MapEditEventIgnorer(bool *flag):
64 ~MapEditEventIgnorer()
77 void * ServerThread::Thread()
81 log_register_thread("ServerThread");
83 DSTACK(__FUNCTION_NAME);
85 BEGIN_DEBUG_EXCEPTION_HANDLER
90 //TimeTaker timer("AsyncRunStep() + Receive()");
93 //TimeTaker timer("AsyncRunStep()");
94 m_server->AsyncRunStep();
97 //infostream<<"Running m_server->Receive()"<<std::endl;
100 catch(con::NoIncomingDataException &e)
103 catch(con::PeerNotFoundException &e)
105 infostream<<"Server: PeerNotFoundException"<<std::endl;
109 END_DEBUG_EXCEPTION_HANDLER(errorstream)
114 void * EmergeThread::Thread()
118 log_register_thread("EmergeThread");
120 DSTACK(__FUNCTION_NAME);
122 BEGIN_DEBUG_EXCEPTION_HANDLER
124 bool enable_mapgen_debug_info = g_settings->getBool("enable_mapgen_debug_info");
127 Get block info from queue, emerge them and send them
130 After queue is empty, exit.
134 QueuedBlockEmerge *qptr = m_server->m_emerge_queue.pop();
138 SharedPtr<QueuedBlockEmerge> q(qptr);
144 Do not generate over-limit
146 if(p.X < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
147 || p.X > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
148 || p.Y < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
149 || p.Y > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
150 || p.Z < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
151 || p.Z > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE)
154 //infostream<<"EmergeThread::Thread(): running"<<std::endl;
156 //TimeTaker timer("block emerge");
159 Try to emerge it from somewhere.
161 If it is only wanted as optional, only loading from disk
166 Check if any peer wants it as non-optional. In that case it
169 Also decrement the emerge queue count in clients.
172 bool only_from_disk = true;
175 core::map<u16, u8>::Iterator i;
176 for(i=q->peer_ids.getIterator(); i.atEnd()==false; i++)
178 //u16 peer_id = i.getNode()->getKey();
181 u8 flags = i.getNode()->getValue();
182 if((flags & BLOCK_EMERGE_FLAG_FROMDISK) == false)
183 only_from_disk = false;
188 if(enable_mapgen_debug_info)
189 infostream<<"EmergeThread: p="
190 <<"("<<p.X<<","<<p.Y<<","<<p.Z<<") "
191 <<"only_from_disk="<<only_from_disk<<std::endl;
193 ServerMap &map = ((ServerMap&)m_server->m_env->getMap());
195 //core::map<v3s16, MapBlock*> changed_blocks;
196 //core::map<v3s16, MapBlock*> lighting_invalidated_blocks;
198 MapBlock *block = NULL;
199 bool got_block = true;
200 core::map<v3s16, MapBlock*> modified_blocks;
203 Fetch block from map or generate a single block
206 JMutexAutoLock envlock(m_server->m_env_mutex);
208 // Load sector if it isn't loaded
209 if(map.getSectorNoGenerateNoEx(p2d) == NULL)
210 //map.loadSectorFull(p2d);
211 map.loadSectorMeta(p2d);
213 block = map.getBlockNoCreateNoEx(p);
214 if(!block || block->isDummy() || !block->isGenerated())
216 if(enable_mapgen_debug_info)
217 infostream<<"EmergeThread: not in memory, loading"<<std::endl;
219 // Get, load or create sector
220 /*ServerMapSector *sector =
221 (ServerMapSector*)map.createSector(p2d);*/
223 // Load/generate block
225 /*block = map.emergeBlock(p, sector, changed_blocks,
226 lighting_invalidated_blocks);*/
228 block = map.loadBlock(p);
230 if(only_from_disk == false)
232 if(block == NULL || block->isGenerated() == false)
234 if(enable_mapgen_debug_info)
235 infostream<<"EmergeThread: generating"<<std::endl;
236 block = map.generateBlock(p, modified_blocks);
240 if(enable_mapgen_debug_info)
241 infostream<<"EmergeThread: ended up with: "
242 <<analyze_block(block)<<std::endl;
251 Ignore map edit events, they will not need to be
252 sent to anybody because the block hasn't been sent
255 MapEditEventIgnorer ign(&m_server->m_ignore_map_edit_events);
257 // Activate objects and stuff
258 m_server->m_env->activateBlock(block, 3600);
263 /*if(block->getLightingExpired()){
264 lighting_invalidated_blocks[block->getPos()] = block;
268 // TODO: Some additional checking and lighting updating,
273 JMutexAutoLock envlock(m_server->m_env_mutex);
278 Collect a list of blocks that have been modified in
279 addition to the fetched one.
283 if(lighting_invalidated_blocks.size() > 0)
285 /*infostream<<"lighting "<<lighting_invalidated_blocks.size()
286 <<" blocks"<<std::endl;*/
288 // 50-100ms for single block generation
289 //TimeTaker timer("** EmergeThread updateLighting");
291 // Update lighting without locking the environment mutex,
292 // add modified blocks to changed blocks
293 map.updateLighting(lighting_invalidated_blocks, modified_blocks);
296 // Add all from changed_blocks to modified_blocks
297 for(core::map<v3s16, MapBlock*>::Iterator i = changed_blocks.getIterator();
298 i.atEnd() == false; i++)
300 MapBlock *block = i.getNode()->getValue();
301 modified_blocks.insert(block->getPos(), block);
305 // If we got no block, there should be no invalidated blocks
308 //assert(lighting_invalidated_blocks.size() == 0);
314 Set sent status of modified blocks on clients
317 // NOTE: Server's clients are also behind the connection mutex
318 JMutexAutoLock lock(m_server->m_con_mutex);
321 Add the originally fetched block to the modified list
325 modified_blocks.insert(p, block);
329 Set the modified blocks unsent for all the clients
332 for(core::map<u16, RemoteClient*>::Iterator
333 i = m_server->m_clients.getIterator();
334 i.atEnd() == false; i++)
336 RemoteClient *client = i.getNode()->getValue();
338 if(modified_blocks.size() > 0)
340 // Remove block from sent history
341 client->SetBlocksNotSent(modified_blocks);
347 END_DEBUG_EXCEPTION_HANDLER(errorstream)
352 void RemoteClient::GetNextBlocks(Server *server, float dtime,
353 core::array<PrioritySortedBlockTransfer> &dest)
355 DSTACK(__FUNCTION_NAME);
358 TimeTaker timer("RemoteClient::GetNextBlocks", &timer_result);*/
361 m_nothing_to_send_pause_timer -= dtime;
362 m_nearest_unsent_reset_timer += dtime;
364 if(m_nothing_to_send_pause_timer >= 0)
369 // Won't send anything if already sending
370 if(m_blocks_sending.size() >= g_settings->getU16
371 ("max_simultaneous_block_sends_per_client"))
373 //infostream<<"Not sending any blocks, Queue full."<<std::endl;
377 //TimeTaker timer("RemoteClient::GetNextBlocks");
379 Player *player = server->m_env->getPlayer(peer_id);
381 assert(player != NULL);
383 v3f playerpos = player->getPosition();
384 v3f playerspeed = player->getSpeed();
385 v3f playerspeeddir(0,0,0);
386 if(playerspeed.getLength() > 1.0*BS)
387 playerspeeddir = playerspeed / playerspeed.getLength();
388 // Predict to next block
389 v3f playerpos_predicted = playerpos + playerspeeddir*MAP_BLOCKSIZE*BS;
391 v3s16 center_nodepos = floatToInt(playerpos_predicted, BS);
393 v3s16 center = getNodeBlockPos(center_nodepos);
395 // Camera position and direction
396 v3f camera_pos = player->getEyePosition();
397 v3f camera_dir = v3f(0,0,1);
398 camera_dir.rotateYZBy(player->getPitch());
399 camera_dir.rotateXZBy(player->getYaw());
401 /*infostream<<"camera_dir=("<<camera_dir.X<<","<<camera_dir.Y<<","
402 <<camera_dir.Z<<")"<<std::endl;*/
405 Get the starting value of the block finder radius.
408 if(m_last_center != center)
410 m_nearest_unsent_d = 0;
411 m_last_center = center;
414 /*infostream<<"m_nearest_unsent_reset_timer="
415 <<m_nearest_unsent_reset_timer<<std::endl;*/
417 // Reset periodically to workaround for some bugs or stuff
418 if(m_nearest_unsent_reset_timer > 20.0)
420 m_nearest_unsent_reset_timer = 0;
421 m_nearest_unsent_d = 0;
422 //infostream<<"Resetting m_nearest_unsent_d for "
423 // <<server->getPlayerName(peer_id)<<std::endl;
426 //s16 last_nearest_unsent_d = m_nearest_unsent_d;
427 s16 d_start = m_nearest_unsent_d;
429 //infostream<<"d_start="<<d_start<<std::endl;
431 u16 max_simul_sends_setting = g_settings->getU16
432 ("max_simultaneous_block_sends_per_client");
433 u16 max_simul_sends_usually = max_simul_sends_setting;
436 Check the time from last addNode/removeNode.
438 Decrease send rate if player is building stuff.
440 m_time_from_building += dtime;
441 if(m_time_from_building < g_settings->getFloat(
442 "full_block_send_enable_min_time_from_building"))
444 max_simul_sends_usually
445 = LIMITED_MAX_SIMULTANEOUS_BLOCK_SENDS;
449 Number of blocks sending + number of blocks selected for sending
451 u32 num_blocks_selected = m_blocks_sending.size();
454 next time d will be continued from the d from which the nearest
455 unsent block was found this time.
457 This is because not necessarily any of the blocks found this
458 time are actually sent.
460 s32 new_nearest_unsent_d = -1;
462 s16 d_max = g_settings->getS16("max_block_send_distance");
463 s16 d_max_gen = g_settings->getS16("max_block_generate_distance");
465 // Don't loop very much at a time
466 s16 max_d_increment_at_time = 2;
467 if(d_max > d_start + max_d_increment_at_time)
468 d_max = d_start + max_d_increment_at_time;
469 /*if(d_max_gen > d_start+2)
470 d_max_gen = d_start+2;*/
472 //infostream<<"Starting from "<<d_start<<std::endl;
474 s32 nearest_emerged_d = -1;
475 s32 nearest_emergefull_d = -1;
476 s32 nearest_sent_d = -1;
477 bool queue_is_full = false;
480 for(d = d_start; d <= d_max; d++)
482 /*errorstream<<"checking d="<<d<<" for "
483 <<server->getPlayerName(peer_id)<<std::endl;*/
484 //infostream<<"RemoteClient::SendBlocks(): d="<<d<<std::endl;
487 If m_nearest_unsent_d was changed by the EmergeThread
488 (it can change it to 0 through SetBlockNotSent),
490 Else update m_nearest_unsent_d
492 /*if(m_nearest_unsent_d != last_nearest_unsent_d)
494 d = m_nearest_unsent_d;
495 last_nearest_unsent_d = m_nearest_unsent_d;
499 Get the border/face dot coordinates of a "d-radiused"
502 core::list<v3s16> list;
503 getFacePositions(list, d);
505 core::list<v3s16>::Iterator li;
506 for(li=list.begin(); li!=list.end(); li++)
508 v3s16 p = *li + center;
512 - Don't allow too many simultaneous transfers
513 - EXCEPT when the blocks are very close
515 Also, don't send blocks that are already flying.
518 // Start with the usual maximum
519 u16 max_simul_dynamic = max_simul_sends_usually;
521 // If block is very close, allow full maximum
522 if(d <= BLOCK_SEND_DISABLE_LIMITS_MAX_D)
523 max_simul_dynamic = max_simul_sends_setting;
525 // Don't select too many blocks for sending
526 if(num_blocks_selected >= max_simul_dynamic)
528 queue_is_full = true;
529 goto queue_full_break;
532 // Don't send blocks that are currently being transferred
533 if(m_blocks_sending.find(p) != NULL)
539 if(p.X < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
540 || p.X > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
541 || p.Y < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
542 || p.Y > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
543 || p.Z < -MAP_GENERATION_LIMIT / MAP_BLOCKSIZE
544 || p.Z > MAP_GENERATION_LIMIT / MAP_BLOCKSIZE)
547 // If this is true, inexistent block will be made from scratch
548 bool generate = d <= d_max_gen;
551 /*// Limit the generating area vertically to 2/3
552 if(abs(p.Y - center.Y) > d_max_gen - d_max_gen / 3)
555 // Limit the send area vertically to 1/2
556 if(abs(p.Y - center.Y) > d_max / 2)
562 If block is far away, don't generate it unless it is
568 // Block center y in nodes
569 f32 y = (f32)(p.Y * MAP_BLOCKSIZE + MAP_BLOCKSIZE/2);
570 // Don't generate if it's very high or very low
571 if(y < -64 || y > 64)
575 v2s16 p2d_nodes_center(
579 // Get ground height in nodes
580 s16 gh = server->m_env->getServerMap().findGroundLevel(
583 // If differs a lot, don't generate
584 if(fabs(gh - y) > MAP_BLOCKSIZE*2)
586 // Actually, don't even send it
592 //infostream<<"d="<<d<<std::endl;
595 Don't generate or send if not in sight
596 FIXME This only works if the client uses a small enough
597 FOV setting. The default of 72 degrees is fine.
600 float camera_fov = (72.0*PI/180) * 4./3.;
601 if(isBlockInSight(p, camera_pos, camera_dir, camera_fov, 10000*BS) == false)
607 Don't send already sent blocks
610 if(m_blocks_sent.find(p) != NULL)
617 Check if map has this block
619 MapBlock *block = server->m_env->getMap().getBlockNoCreateNoEx(p);
621 bool surely_not_found_on_disk = false;
622 bool block_is_invalid = false;
625 // Reset usage timer, this block will be of use in the future.
626 block->resetUsageTimer();
628 // Block is dummy if data doesn't exist.
629 // It means it has been not found from disk and not generated
632 surely_not_found_on_disk = true;
635 // Block is valid if lighting is up-to-date and data exists
636 if(block->isValid() == false)
638 block_is_invalid = true;
641 /*if(block->isFullyGenerated() == false)
643 block_is_invalid = true;
648 ServerMap *map = (ServerMap*)(&server->m_env->getMap());
649 v2s16 chunkpos = map->sector_to_chunk(p2d);
650 if(map->chunkNonVolatile(chunkpos) == false)
651 block_is_invalid = true;
653 if(block->isGenerated() == false)
654 block_is_invalid = true;
657 If block is not close, don't send it unless it is near
660 Block is near ground level if night-time mesh
661 differs from day-time mesh.
665 if(block->dayNightDiffed() == false)
672 If block has been marked to not exist on disk (dummy)
673 and generating new ones is not wanted, skip block.
675 if(generate == false && surely_not_found_on_disk == true)
682 Add inexistent block to emerge queue.
684 if(block == NULL || surely_not_found_on_disk || block_is_invalid)
686 //TODO: Get value from somewhere
687 // Allow only one block in emerge queue
688 //if(server->m_emerge_queue.peerItemCount(peer_id) < 1)
689 // Allow two blocks in queue per client
690 //if(server->m_emerge_queue.peerItemCount(peer_id) < 2)
691 if(server->m_emerge_queue.peerItemCount(peer_id) < 25)
693 //infostream<<"Adding block to emerge queue"<<std::endl;
695 // Add it to the emerge queue and trigger the thread
698 if(generate == false)
699 flags |= BLOCK_EMERGE_FLAG_FROMDISK;
701 server->m_emerge_queue.addBlock(peer_id, p, flags);
702 server->m_emergethread.trigger();
704 if(nearest_emerged_d == -1)
705 nearest_emerged_d = d;
707 if(nearest_emergefull_d == -1)
708 nearest_emergefull_d = d;
715 if(nearest_sent_d == -1)
719 Add block to send queue
722 /*errorstream<<"sending from d="<<d<<" to "
723 <<server->getPlayerName(peer_id)<<std::endl;*/
725 PrioritySortedBlockTransfer q((float)d, p, peer_id);
729 num_blocks_selected += 1;
734 //infostream<<"Stopped at "<<d<<std::endl;
736 // If nothing was found for sending and nothing was queued for
737 // emerging, continue next time browsing from here
738 if(nearest_emerged_d != -1){
739 new_nearest_unsent_d = nearest_emerged_d;
740 } else if(nearest_emergefull_d != -1){
741 new_nearest_unsent_d = nearest_emergefull_d;
743 if(d > g_settings->getS16("max_block_send_distance")){
744 new_nearest_unsent_d = 0;
745 m_nothing_to_send_pause_timer = 2.0;
746 /*infostream<<"GetNextBlocks(): d wrapped around for "
747 <<server->getPlayerName(peer_id)
748 <<"; setting to 0 and pausing"<<std::endl;*/
750 if(nearest_sent_d != -1)
751 new_nearest_unsent_d = nearest_sent_d;
753 new_nearest_unsent_d = d;
757 if(new_nearest_unsent_d != -1)
758 m_nearest_unsent_d = new_nearest_unsent_d;
760 /*timer_result = timer.stop(true);
761 if(timer_result != 0)
762 infostream<<"GetNextBlocks duration: "<<timer_result<<" (!=0)"<<std::endl;*/
765 void RemoteClient::SendObjectData(
768 core::map<v3s16, bool> &stepped_blocks
771 DSTACK(__FUNCTION_NAME);
773 // Can't send anything without knowing version
774 if(serialization_version == SER_FMT_VER_INVALID)
776 infostream<<"RemoteClient::SendObjectData(): Not sending, no version."
782 Send a TOCLIENT_OBJECTDATA packet.
786 u16 number of player positions
798 std::ostringstream os(std::ios_base::binary);
802 writeU16(buf, TOCLIENT_OBJECTDATA);
803 os.write((char*)buf, 2);
806 Get and write player data
809 // Get connected players
810 core::list<Player*> players = server->m_env->getPlayers(true);
812 // Write player count
813 u16 playercount = players.size();
814 writeU16(buf, playercount);
815 os.write((char*)buf, 2);
817 core::list<Player*>::Iterator i;
818 for(i = players.begin();
819 i != players.end(); i++)
823 v3f pf = player->getPosition();
824 v3f sf = player->getSpeed();
826 v3s32 position_i(pf.X*100, pf.Y*100, pf.Z*100);
827 v3s32 speed_i (sf.X*100, sf.Y*100, sf.Z*100);
828 s32 pitch_i (player->getPitch() * 100);
829 s32 yaw_i (player->getYaw() * 100);
831 writeU16(buf, player->peer_id);
832 os.write((char*)buf, 2);
833 writeV3S32(buf, position_i);
834 os.write((char*)buf, 12);
835 writeV3S32(buf, speed_i);
836 os.write((char*)buf, 12);
837 writeS32(buf, pitch_i);
838 os.write((char*)buf, 4);
839 writeS32(buf, yaw_i);
840 os.write((char*)buf, 4);
844 Get and write object data (dummy, for compatibility)
849 os.write((char*)buf, 2);
855 //infostream<<"Server: Sending object data to "<<peer_id<<std::endl;
858 std::string s = os.str();
859 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
860 // Send as unreliable
861 server->m_con.Send(peer_id, 0, data, false);
864 void RemoteClient::GotBlock(v3s16 p)
866 if(m_blocks_sending.find(p) != NULL)
867 m_blocks_sending.remove(p);
870 /*infostream<<"RemoteClient::GotBlock(): Didn't find in"
871 " m_blocks_sending"<<std::endl;*/
872 m_excess_gotblocks++;
874 m_blocks_sent.insert(p, true);
877 void RemoteClient::SentBlock(v3s16 p)
879 if(m_blocks_sending.find(p) == NULL)
880 m_blocks_sending.insert(p, 0.0);
882 infostream<<"RemoteClient::SentBlock(): Sent block"
883 " already in m_blocks_sending"<<std::endl;
886 void RemoteClient::SetBlockNotSent(v3s16 p)
888 m_nearest_unsent_d = 0;
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);
896 void RemoteClient::SetBlocksNotSent(core::map<v3s16, MapBlock*> &blocks)
898 m_nearest_unsent_d = 0;
900 for(core::map<v3s16, MapBlock*>::Iterator
901 i = blocks.getIterator();
902 i.atEnd()==false; i++)
904 v3s16 p = i.getNode()->getKey();
906 if(m_blocks_sending.find(p) != NULL)
907 m_blocks_sending.remove(p);
908 if(m_blocks_sent.find(p) != NULL)
909 m_blocks_sent.remove(p);
917 PlayerInfo::PlayerInfo()
923 void PlayerInfo::PrintLine(std::ostream *s)
926 (*s)<<"\""<<name<<"\" ("
927 <<(position.X/10)<<","<<(position.Y/10)
928 <<","<<(position.Z/10)<<") ";
930 (*s)<<" avg_rtt="<<avg_rtt;
934 u32 PIChecksum(core::list<PlayerInfo> &l)
936 core::list<PlayerInfo>::Iterator i;
939 for(i=l.begin(); i!=l.end(); i++)
941 checksum += a * (i->id+1);
942 checksum ^= 0x435aafcd;
953 ModSpec(const std::string &name_="", const std::string path_=""):
959 static core::list<ModSpec> getMods(core::list<std::string> &modspaths)
961 core::list<ModSpec> mods;
962 for(core::list<std::string>::Iterator i = modspaths.begin();
963 i != modspaths.end(); i++){
964 std::string modspath = *i;
965 std::vector<fs::DirListNode> dirlist = fs::GetDirListing(modspath);
966 for(u32 j=0; j<dirlist.size(); j++){
969 std::string modname = dirlist[j].name;
970 std::string modpath = modspath + DIR_DELIM + modname;
971 mods.push_back(ModSpec(modname, modpath));
982 std::string mapsavedir,
983 std::string configpath
986 m_con(PROTOCOL_ID, 512, CONNECTION_TIMEOUT, this),
987 m_authmanager(mapsavedir+DIR_DELIM+"auth.txt"),
988 m_banmanager(mapsavedir+DIR_DELIM+"ipban.txt"),
990 m_toolmgr(createToolDefManager()),
991 m_nodedef(createNodeDefManager()),
992 m_craftdef(createCraftDefManager()),
994 m_emergethread(this),
996 m_time_of_day_send_timer(0),
998 m_mapsavedir(mapsavedir),
999 m_configpath(configpath),
1000 m_shutdown_requested(false),
1001 m_ignore_map_edit_events(false),
1002 m_ignore_map_edit_events_peer_id(0)
1004 m_liquid_transform_timer = 0.0;
1005 m_print_info_timer = 0.0;
1006 m_objectdata_timer = 0.0;
1007 m_emergethread_trigger_timer = 0.0;
1008 m_savemap_timer = 0.0;
1012 m_step_dtime_mutex.Init();
1015 JMutexAutoLock envlock(m_env_mutex);
1016 JMutexAutoLock conlock(m_con_mutex);
1018 infostream<<"m_nodedef="<<m_nodedef<<std::endl;
1020 // Initialize default node definitions
1021 content_mapnode_init(m_nodedef);
1023 // Add default global mod path
1024 m_modspaths.push_back(porting::path_data + DIR_DELIM + "mods");
1026 // Initialize scripting
1028 infostream<<"Server: Initializing scripting"<<std::endl;
1029 m_lua = script_init();
1032 scriptapi_export(m_lua, this);
1033 // Load and run scripts
1034 core::list<ModSpec> mods = getMods(m_modspaths);
1035 for(core::list<ModSpec>::Iterator i = mods.begin();
1036 i != mods.end(); i++){
1038 infostream<<"Server: Loading mod \""<<mod.name<<"\""<<std::endl;
1039 std::string scriptpath = mod.path + DIR_DELIM + "init.lua";
1040 bool success = script_load(m_lua, scriptpath.c_str());
1042 errorstream<<"Server: Failed to load and run "
1043 <<scriptpath<<std::endl;
1048 // Initialize Environment
1050 m_env = new ServerEnvironment(new ServerMap(mapsavedir, this), m_lua, this);
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_mapsavedir+DIR_DELIM+"env_meta.txt"))
1061 infostream<<"Server: Loading environment metadata"<<std::endl;
1062 m_env->loadMeta(m_mapsavedir);
1066 infostream<<"Server: Loading players"<<std::endl;
1067 m_env->deSerializePlayers(m_mapsavedir);
1072 infostream<<"Server::~Server()"<<std::endl;
1075 Send shutdown message
1078 JMutexAutoLock conlock(m_con_mutex);
1080 std::wstring line = L"*** Server shutting down";
1083 Send the message to clients
1085 for(core::map<u16, RemoteClient*>::Iterator
1086 i = m_clients.getIterator();
1087 i.atEnd() == false; i++)
1089 // Get client and check that it is valid
1090 RemoteClient *client = i.getNode()->getValue();
1091 assert(client->peer_id == i.getNode()->getKey());
1092 if(client->serialization_version == SER_FMT_VER_INVALID)
1096 SendChatMessage(client->peer_id, line);
1098 catch(con::PeerNotFoundException &e)
1104 JMutexAutoLock envlock(m_env_mutex);
1109 infostream<<"Server: Saving players"<<std::endl;
1110 m_env->serializePlayers(m_mapsavedir);
1113 Save environment metadata
1115 infostream<<"Server: Saving environment metadata"<<std::endl;
1116 m_env->saveMeta(m_mapsavedir);
1128 JMutexAutoLock clientslock(m_con_mutex);
1130 for(core::map<u16, RemoteClient*>::Iterator
1131 i = m_clients.getIterator();
1132 i.atEnd() == false; i++)
1135 // NOTE: These are removed by env destructor
1137 u16 peer_id = i.getNode()->getKey();
1138 JMutexAutoLock envlock(m_env_mutex);
1139 m_env->removePlayer(peer_id);
1143 delete i.getNode()->getValue();
1147 // Delete Environment
1153 // Deinitialize scripting
1154 infostream<<"Server: Deinitializing scripting"<<std::endl;
1155 script_deinit(m_lua);
1158 void Server::start(unsigned short port)
1160 DSTACK(__FUNCTION_NAME);
1161 // Stop thread if already running
1164 // Initialize connection
1165 m_con.SetTimeoutMs(30);
1169 m_thread.setRun(true);
1172 infostream<<"Server: Started on port "<<port<<std::endl;
1177 DSTACK(__FUNCTION_NAME);
1179 infostream<<"Server: Stopping and waiting threads"<<std::endl;
1181 // Stop threads (set run=false first so both start stopping)
1182 m_thread.setRun(false);
1183 m_emergethread.setRun(false);
1185 m_emergethread.stop();
1187 infostream<<"Server: Threads stopped"<<std::endl;
1190 void Server::step(float dtime)
1192 DSTACK(__FUNCTION_NAME);
1197 JMutexAutoLock lock(m_step_dtime_mutex);
1198 m_step_dtime += dtime;
1202 void Server::AsyncRunStep()
1204 DSTACK(__FUNCTION_NAME);
1206 g_profiler->add("Server::AsyncRunStep (num)", 1);
1210 JMutexAutoLock lock1(m_step_dtime_mutex);
1211 dtime = m_step_dtime;
1215 ScopeProfiler sp(g_profiler, "Server: sel and send blocks to clients");
1216 // Send blocks to clients
1223 g_profiler->add("Server::AsyncRunStep with dtime (num)", 1);
1225 //infostream<<"Server steps "<<dtime<<std::endl;
1226 //infostream<<"Server::AsyncRunStep(): dtime="<<dtime<<std::endl;
1229 JMutexAutoLock lock1(m_step_dtime_mutex);
1230 m_step_dtime -= dtime;
1237 m_uptime.set(m_uptime.get() + dtime);
1241 // Process connection's timeouts
1242 JMutexAutoLock lock2(m_con_mutex);
1243 ScopeProfiler sp(g_profiler, "Server: connection timeout processing");
1244 m_con.RunTimeouts(dtime);
1248 // This has to be called so that the client list gets synced
1249 // with the peer list of the connection
1250 handlePeerChanges();
1254 Update m_time_of_day and overall game time
1257 JMutexAutoLock envlock(m_env_mutex);
1259 m_time_counter += dtime;
1260 f32 speed = g_settings->getFloat("time_speed") * 24000./(24.*3600);
1261 u32 units = (u32)(m_time_counter*speed);
1262 m_time_counter -= (f32)units / speed;
1264 m_env->setTimeOfDay((m_env->getTimeOfDay() + units) % 24000);
1266 //infostream<<"Server: m_time_of_day = "<<m_time_of_day.get()<<std::endl;
1269 Send to clients at constant intervals
1272 m_time_of_day_send_timer -= dtime;
1273 if(m_time_of_day_send_timer < 0.0)
1275 m_time_of_day_send_timer = g_settings->getFloat("time_send_interval");
1277 //JMutexAutoLock envlock(m_env_mutex);
1278 JMutexAutoLock conlock(m_con_mutex);
1280 for(core::map<u16, RemoteClient*>::Iterator
1281 i = m_clients.getIterator();
1282 i.atEnd() == false; i++)
1284 RemoteClient *client = i.getNode()->getValue();
1285 //Player *player = m_env->getPlayer(client->peer_id);
1287 SharedBuffer<u8> data = makePacket_TOCLIENT_TIME_OF_DAY(
1288 m_env->getTimeOfDay());
1290 m_con.Send(client->peer_id, 0, data, true);
1296 JMutexAutoLock lock(m_env_mutex);
1298 ScopeProfiler sp(g_profiler, "SEnv step");
1299 ScopeProfiler sp2(g_profiler, "SEnv step avg", SPT_AVG);
1303 const float map_timer_and_unload_dtime = 2.92;
1304 if(m_map_timer_and_unload_interval.step(dtime, map_timer_and_unload_dtime))
1306 JMutexAutoLock lock(m_env_mutex);
1307 // Run Map's timers and unload unused data
1308 ScopeProfiler sp(g_profiler, "Server: map timer and unload");
1309 m_env->getMap().timerUpdate(map_timer_and_unload_dtime,
1310 g_settings->getFloat("server_unload_unused_data_timeout"));
1320 m_liquid_transform_timer += dtime;
1321 if(m_liquid_transform_timer >= 1.00)
1323 m_liquid_transform_timer -= 1.00;
1325 JMutexAutoLock lock(m_env_mutex);
1327 ScopeProfiler sp(g_profiler, "Server: liquid transform");
1329 core::map<v3s16, MapBlock*> modified_blocks;
1330 m_env->getMap().transformLiquids(modified_blocks);
1335 core::map<v3s16, MapBlock*> lighting_modified_blocks;
1336 ServerMap &map = ((ServerMap&)m_env->getMap());
1337 map.updateLighting(modified_blocks, lighting_modified_blocks);
1339 // Add blocks modified by lighting to modified_blocks
1340 for(core::map<v3s16, MapBlock*>::Iterator
1341 i = lighting_modified_blocks.getIterator();
1342 i.atEnd() == false; i++)
1344 MapBlock *block = i.getNode()->getValue();
1345 modified_blocks.insert(block->getPos(), block);
1349 Set the modified blocks unsent for all the clients
1352 JMutexAutoLock lock2(m_con_mutex);
1354 for(core::map<u16, RemoteClient*>::Iterator
1355 i = m_clients.getIterator();
1356 i.atEnd() == false; i++)
1358 RemoteClient *client = i.getNode()->getValue();
1360 if(modified_blocks.size() > 0)
1362 // Remove block from sent history
1363 client->SetBlocksNotSent(modified_blocks);
1368 // Periodically print some info
1370 float &counter = m_print_info_timer;
1376 JMutexAutoLock lock2(m_con_mutex);
1378 if(m_clients.size() != 0)
1379 infostream<<"Players:"<<std::endl;
1380 for(core::map<u16, RemoteClient*>::Iterator
1381 i = m_clients.getIterator();
1382 i.atEnd() == false; i++)
1384 //u16 peer_id = i.getNode()->getKey();
1385 RemoteClient *client = i.getNode()->getValue();
1386 Player *player = m_env->getPlayer(client->peer_id);
1389 infostream<<"* "<<player->getName()<<"\t";
1390 client->PrintInfo(infostream);
1395 //if(g_settings->getBool("enable_experimental"))
1399 Check added and deleted active objects
1402 //infostream<<"Server: Checking added and deleted active objects"<<std::endl;
1403 JMutexAutoLock envlock(m_env_mutex);
1404 JMutexAutoLock conlock(m_con_mutex);
1406 ScopeProfiler sp(g_profiler, "Server: checking added and deleted objs");
1408 // Radius inside which objects are active
1409 s16 radius = g_settings->getS16("active_object_send_range_blocks");
1410 radius *= MAP_BLOCKSIZE;
1412 for(core::map<u16, RemoteClient*>::Iterator
1413 i = m_clients.getIterator();
1414 i.atEnd() == false; i++)
1416 RemoteClient *client = i.getNode()->getValue();
1417 Player *player = m_env->getPlayer(client->peer_id);
1420 // This can happen if the client timeouts somehow
1421 /*infostream<<"WARNING: "<<__FUNCTION_NAME<<": Client "
1423 <<" has no associated player"<<std::endl;*/
1426 v3s16 pos = floatToInt(player->getPosition(), BS);
1428 core::map<u16, bool> removed_objects;
1429 core::map<u16, bool> added_objects;
1430 m_env->getRemovedActiveObjects(pos, radius,
1431 client->m_known_objects, removed_objects);
1432 m_env->getAddedActiveObjects(pos, radius,
1433 client->m_known_objects, added_objects);
1435 // Ignore if nothing happened
1436 if(removed_objects.size() == 0 && added_objects.size() == 0)
1438 //infostream<<"active objects: none changed"<<std::endl;
1442 std::string data_buffer;
1446 // Handle removed objects
1447 writeU16((u8*)buf, removed_objects.size());
1448 data_buffer.append(buf, 2);
1449 for(core::map<u16, bool>::Iterator
1450 i = removed_objects.getIterator();
1451 i.atEnd()==false; i++)
1454 u16 id = i.getNode()->getKey();
1455 ServerActiveObject* obj = m_env->getActiveObject(id);
1457 // Add to data buffer for sending
1458 writeU16((u8*)buf, i.getNode()->getKey());
1459 data_buffer.append(buf, 2);
1461 // Remove from known objects
1462 client->m_known_objects.remove(i.getNode()->getKey());
1464 if(obj && obj->m_known_by_count > 0)
1465 obj->m_known_by_count--;
1468 // Handle added objects
1469 writeU16((u8*)buf, added_objects.size());
1470 data_buffer.append(buf, 2);
1471 for(core::map<u16, bool>::Iterator
1472 i = added_objects.getIterator();
1473 i.atEnd()==false; i++)
1476 u16 id = i.getNode()->getKey();
1477 ServerActiveObject* obj = m_env->getActiveObject(id);
1480 u8 type = ACTIVEOBJECT_TYPE_INVALID;
1482 infostream<<"WARNING: "<<__FUNCTION_NAME
1483 <<": NULL object"<<std::endl;
1485 type = obj->getType();
1487 // Add to data buffer for sending
1488 writeU16((u8*)buf, id);
1489 data_buffer.append(buf, 2);
1490 writeU8((u8*)buf, type);
1491 data_buffer.append(buf, 1);
1494 data_buffer.append(serializeLongString(
1495 obj->getClientInitializationData()));
1497 data_buffer.append(serializeLongString(""));
1499 // Add to known objects
1500 client->m_known_objects.insert(i.getNode()->getKey(), false);
1503 obj->m_known_by_count++;
1507 SharedBuffer<u8> reply(2 + data_buffer.size());
1508 writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_REMOVE_ADD);
1509 memcpy((char*)&reply[2], data_buffer.c_str(),
1510 data_buffer.size());
1512 m_con.Send(client->peer_id, 0, reply, true);
1514 infostream<<"Server: Sent object remove/add: "
1515 <<removed_objects.size()<<" removed, "
1516 <<added_objects.size()<<" added, "
1517 <<"packet size is "<<reply.getSize()<<std::endl;
1522 Collect a list of all the objects known by the clients
1523 and report it back to the environment.
1526 core::map<u16, bool> all_known_objects;
1528 for(core::map<u16, RemoteClient*>::Iterator
1529 i = m_clients.getIterator();
1530 i.atEnd() == false; i++)
1532 RemoteClient *client = i.getNode()->getValue();
1533 // Go through all known objects of client
1534 for(core::map<u16, bool>::Iterator
1535 i = client->m_known_objects.getIterator();
1536 i.atEnd()==false; i++)
1538 u16 id = i.getNode()->getKey();
1539 all_known_objects[id] = true;
1543 m_env->setKnownActiveObjects(whatever);
1549 Send object messages
1552 JMutexAutoLock envlock(m_env_mutex);
1553 JMutexAutoLock conlock(m_con_mutex);
1555 //ScopeProfiler sp(g_profiler, "Server: sending object messages");
1558 // Value = data sent by object
1559 core::map<u16, core::list<ActiveObjectMessage>* > buffered_messages;
1561 // Get active object messages from environment
1564 ActiveObjectMessage aom = m_env->getActiveObjectMessage();
1568 core::list<ActiveObjectMessage>* message_list = NULL;
1569 core::map<u16, core::list<ActiveObjectMessage>* >::Node *n;
1570 n = buffered_messages.find(aom.id);
1573 message_list = new core::list<ActiveObjectMessage>;
1574 buffered_messages.insert(aom.id, message_list);
1578 message_list = n->getValue();
1580 message_list->push_back(aom);
1583 // Route data to every client
1584 for(core::map<u16, RemoteClient*>::Iterator
1585 i = m_clients.getIterator();
1586 i.atEnd()==false; i++)
1588 RemoteClient *client = i.getNode()->getValue();
1589 std::string reliable_data;
1590 std::string unreliable_data;
1591 // Go through all objects in message buffer
1592 for(core::map<u16, core::list<ActiveObjectMessage>* >::Iterator
1593 j = buffered_messages.getIterator();
1594 j.atEnd()==false; j++)
1596 // If object is not known by client, skip it
1597 u16 id = j.getNode()->getKey();
1598 if(client->m_known_objects.find(id) == NULL)
1600 // Get message list of object
1601 core::list<ActiveObjectMessage>* list = j.getNode()->getValue();
1602 // Go through every message
1603 for(core::list<ActiveObjectMessage>::Iterator
1604 k = list->begin(); k != list->end(); k++)
1606 // Compose the full new data with header
1607 ActiveObjectMessage aom = *k;
1608 std::string new_data;
1611 writeU16((u8*)&buf[0], aom.id);
1612 new_data.append(buf, 2);
1614 new_data += serializeString(aom.datastring);
1615 // Add data to buffer
1617 reliable_data += new_data;
1619 unreliable_data += new_data;
1623 reliable_data and unreliable_data are now ready.
1626 if(reliable_data.size() > 0)
1628 SharedBuffer<u8> reply(2 + reliable_data.size());
1629 writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_MESSAGES);
1630 memcpy((char*)&reply[2], reliable_data.c_str(),
1631 reliable_data.size());
1633 m_con.Send(client->peer_id, 0, reply, true);
1635 if(unreliable_data.size() > 0)
1637 SharedBuffer<u8> reply(2 + unreliable_data.size());
1638 writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_MESSAGES);
1639 memcpy((char*)&reply[2], unreliable_data.c_str(),
1640 unreliable_data.size());
1641 // Send as unreliable
1642 m_con.Send(client->peer_id, 0, reply, false);
1645 /*if(reliable_data.size() > 0 || unreliable_data.size() > 0)
1647 infostream<<"Server: Size of object message data: "
1648 <<"reliable: "<<reliable_data.size()
1649 <<", unreliable: "<<unreliable_data.size()
1654 // Clear buffered_messages
1655 for(core::map<u16, core::list<ActiveObjectMessage>* >::Iterator
1656 i = buffered_messages.getIterator();
1657 i.atEnd()==false; i++)
1659 delete i.getNode()->getValue();
1663 } // enable_experimental
1666 Send queued-for-sending map edit events.
1669 // Don't send too many at a time
1672 // Single change sending is disabled if queue size is not small
1673 bool disable_single_change_sending = false;
1674 if(m_unsent_map_edit_queue.size() >= 4)
1675 disable_single_change_sending = true;
1677 bool got_any_events = false;
1679 // We'll log the amount of each
1682 while(m_unsent_map_edit_queue.size() != 0)
1684 got_any_events = true;
1686 MapEditEvent* event = m_unsent_map_edit_queue.pop_front();
1688 // Players far away from the change are stored here.
1689 // Instead of sending the changes, MapBlocks are set not sent
1691 core::list<u16> far_players;
1693 if(event->type == MEET_ADDNODE)
1695 //infostream<<"Server: MEET_ADDNODE"<<std::endl;
1696 prof.add("MEET_ADDNODE", 1);
1697 if(disable_single_change_sending)
1698 sendAddNode(event->p, event->n, event->already_known_by_peer,
1701 sendAddNode(event->p, event->n, event->already_known_by_peer,
1704 else if(event->type == MEET_REMOVENODE)
1706 //infostream<<"Server: MEET_REMOVENODE"<<std::endl;
1707 prof.add("MEET_REMOVENODE", 1);
1708 if(disable_single_change_sending)
1709 sendRemoveNode(event->p, event->already_known_by_peer,
1712 sendRemoveNode(event->p, event->already_known_by_peer,
1715 else if(event->type == MEET_BLOCK_NODE_METADATA_CHANGED)
1717 infostream<<"Server: MEET_BLOCK_NODE_METADATA_CHANGED"<<std::endl;
1718 prof.add("MEET_BLOCK_NODE_METADATA_CHANGED", 1);
1719 setBlockNotSent(event->p);
1721 else if(event->type == MEET_OTHER)
1723 infostream<<"Server: MEET_OTHER"<<std::endl;
1724 prof.add("MEET_OTHER", 1);
1725 for(core::map<v3s16, bool>::Iterator
1726 i = event->modified_blocks.getIterator();
1727 i.atEnd()==false; i++)
1729 v3s16 p = i.getNode()->getKey();
1735 prof.add("unknown", 1);
1736 infostream<<"WARNING: Server: Unknown MapEditEvent "
1737 <<((u32)event->type)<<std::endl;
1741 Set blocks not sent to far players
1743 if(far_players.size() > 0)
1745 // Convert list format to that wanted by SetBlocksNotSent
1746 core::map<v3s16, MapBlock*> modified_blocks2;
1747 for(core::map<v3s16, bool>::Iterator
1748 i = event->modified_blocks.getIterator();
1749 i.atEnd()==false; i++)
1751 v3s16 p = i.getNode()->getKey();
1752 modified_blocks2.insert(p,
1753 m_env->getMap().getBlockNoCreateNoEx(p));
1755 // Set blocks not sent
1756 for(core::list<u16>::Iterator
1757 i = far_players.begin();
1758 i != far_players.end(); i++)
1761 RemoteClient *client = getClient(peer_id);
1764 client->SetBlocksNotSent(modified_blocks2);
1770 /*// Don't send too many at a time
1772 if(count >= 1 && m_unsent_map_edit_queue.size() < 100)
1778 infostream<<"Server: MapEditEvents:"<<std::endl;
1779 prof.print(infostream);
1785 Send object positions
1788 float &counter = m_objectdata_timer;
1790 if(counter >= g_settings->getFloat("objectdata_interval"))
1792 JMutexAutoLock lock1(m_env_mutex);
1793 JMutexAutoLock lock2(m_con_mutex);
1795 //ScopeProfiler sp(g_profiler, "Server: sending player positions");
1797 SendObjectData(counter);
1804 Trigger emergethread (it somehow gets to a non-triggered but
1805 bysy state sometimes)
1808 float &counter = m_emergethread_trigger_timer;
1814 m_emergethread.trigger();
1818 // Save map, players and auth stuff
1820 float &counter = m_savemap_timer;
1822 if(counter >= g_settings->getFloat("server_map_save_interval"))
1826 ScopeProfiler sp(g_profiler, "Server: saving stuff");
1829 if(m_authmanager.isModified())
1830 m_authmanager.save();
1833 if(m_banmanager.isModified())
1834 m_banmanager.save();
1837 JMutexAutoLock lock(m_env_mutex);
1839 /*// Unload unused data (delete from memory)
1840 m_env->getMap().unloadUnusedData(
1841 g_settings->getFloat("server_unload_unused_sectors_timeout"));
1843 /*u32 deleted_count = m_env->getMap().unloadUnusedData(
1844 g_settings->getFloat("server_unload_unused_sectors_timeout"));
1847 // Save only changed parts
1848 m_env->getMap().save(true);
1850 /*if(deleted_count > 0)
1852 infostream<<"Server: Unloaded "<<deleted_count
1853 <<" blocks from memory"<<std::endl;
1857 m_env->serializePlayers(m_mapsavedir);
1859 // Save environment metadata
1860 m_env->saveMeta(m_mapsavedir);
1865 void Server::Receive()
1867 DSTACK(__FUNCTION_NAME);
1868 SharedBuffer<u8> data;
1873 JMutexAutoLock conlock(m_con_mutex);
1874 datasize = m_con.Receive(peer_id, data);
1877 // This has to be called so that the client list gets synced
1878 // with the peer list of the connection
1879 handlePeerChanges();
1881 ProcessData(*data, datasize, peer_id);
1883 catch(con::InvalidIncomingDataException &e)
1885 infostream<<"Server::Receive(): "
1886 "InvalidIncomingDataException: what()="
1887 <<e.what()<<std::endl;
1889 catch(con::PeerNotFoundException &e)
1891 //NOTE: This is not needed anymore
1893 // The peer has been disconnected.
1894 // Find the associated player and remove it.
1896 /*JMutexAutoLock envlock(m_env_mutex);
1898 infostream<<"ServerThread: peer_id="<<peer_id
1899 <<" has apparently closed connection. "
1900 <<"Removing player."<<std::endl;
1902 m_env->removePlayer(peer_id);*/
1906 void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id)
1908 DSTACK(__FUNCTION_NAME);
1909 // Environment is locked first.
1910 JMutexAutoLock envlock(m_env_mutex);
1911 JMutexAutoLock conlock(m_con_mutex);
1914 Address address = m_con.GetPeerAddress(peer_id);
1916 // drop player if is ip is banned
1917 if(m_banmanager.isIpBanned(address.serializeString())){
1918 SendAccessDenied(m_con, peer_id,
1919 L"Your ip is banned. Banned name was "
1920 +narrow_to_wide(m_banmanager.getBanName(
1921 address.serializeString())));
1922 m_con.DeletePeer(peer_id);
1926 catch(con::PeerNotFoundException &e)
1928 infostream<<"Server::ProcessData(): Cancelling: peer "
1929 <<peer_id<<" not found"<<std::endl;
1933 u8 peer_ser_ver = getClient(peer_id)->serialization_version;
1941 ToServerCommand command = (ToServerCommand)readU16(&data[0]);
1943 if(command == TOSERVER_INIT)
1945 // [0] u16 TOSERVER_INIT
1946 // [2] u8 SER_FMT_VER_HIGHEST
1947 // [3] u8[20] player_name
1948 // [23] u8[28] password <--- can be sent without this, from old versions
1950 if(datasize < 2+1+PLAYERNAME_SIZE)
1953 infostream<<"Server: Got TOSERVER_INIT from "
1954 <<peer_id<<std::endl;
1956 // First byte after command is maximum supported
1957 // serialization version
1958 u8 client_max = data[2];
1959 u8 our_max = SER_FMT_VER_HIGHEST;
1960 // Use the highest version supported by both
1961 u8 deployed = core::min_(client_max, our_max);
1962 // If it's lower than the lowest supported, give up.
1963 if(deployed < SER_FMT_VER_LOWEST)
1964 deployed = SER_FMT_VER_INVALID;
1966 //peer->serialization_version = deployed;
1967 getClient(peer_id)->pending_serialization_version = deployed;
1969 if(deployed == SER_FMT_VER_INVALID)
1971 infostream<<"Server: Cannot negotiate "
1972 "serialization version with peer "
1973 <<peer_id<<std::endl;
1974 SendAccessDenied(m_con, peer_id,
1975 L"Your client is too old (map format)");
1980 Read and check network protocol version
1983 u16 net_proto_version = 0;
1984 if(datasize >= 2+1+PLAYERNAME_SIZE+PASSWORD_SIZE+2)
1986 net_proto_version = readU16(&data[2+1+PLAYERNAME_SIZE+PASSWORD_SIZE]);
1989 getClient(peer_id)->net_proto_version = net_proto_version;
1991 if(net_proto_version == 0)
1993 SendAccessDenied(m_con, peer_id,
1994 L"Your client is too old. Please upgrade.");
1998 /* Uhh... this should actually be a warning but let's do it like this */
1999 if(g_settings->getBool("strict_protocol_version_checking"))
2001 if(net_proto_version < PROTOCOL_VERSION)
2003 SendAccessDenied(m_con, peer_id,
2004 L"Your client is too old. Please upgrade.");
2014 char playername[PLAYERNAME_SIZE];
2015 for(u32 i=0; i<PLAYERNAME_SIZE-1; i++)
2017 playername[i] = data[3+i];
2019 playername[PLAYERNAME_SIZE-1] = 0;
2021 if(playername[0]=='\0')
2023 infostream<<"Server: Player has empty name"<<std::endl;
2024 SendAccessDenied(m_con, peer_id,
2029 if(string_allowed(playername, PLAYERNAME_ALLOWED_CHARS)==false)
2031 infostream<<"Server: Player has invalid name"<<std::endl;
2032 SendAccessDenied(m_con, peer_id,
2033 L"Name contains unallowed characters");
2038 char password[PASSWORD_SIZE];
2039 if(datasize < 2+1+PLAYERNAME_SIZE+PASSWORD_SIZE)
2041 // old version - assume blank password
2046 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
2048 password[i] = data[23+i];
2050 password[PASSWORD_SIZE-1] = 0;
2053 std::string checkpwd;
2054 if(m_authmanager.exists(playername))
2056 checkpwd = m_authmanager.getPassword(playername);
2060 checkpwd = g_settings->get("default_password");
2063 /*infostream<<"Server: Client gave password '"<<password
2064 <<"', the correct one is '"<<checkpwd<<"'"<<std::endl;*/
2066 if(password != checkpwd && m_authmanager.exists(playername))
2068 infostream<<"Server: peer_id="<<peer_id
2069 <<": supplied invalid password for "
2070 <<playername<<std::endl;
2071 SendAccessDenied(m_con, peer_id, L"Invalid password");
2075 // Add player to auth manager
2076 if(m_authmanager.exists(playername) == false)
2078 infostream<<"Server: adding player "<<playername
2079 <<" to auth manager"<<std::endl;
2080 m_authmanager.add(playername);
2081 m_authmanager.setPassword(playername, checkpwd);
2082 m_authmanager.setPrivs(playername,
2083 stringToPrivs(g_settings->get("default_privs")));
2084 m_authmanager.save();
2087 // Enforce user limit.
2088 // Don't enforce for users that have some admin right
2089 if(m_clients.size() >= g_settings->getU16("max_users") &&
2090 (m_authmanager.getPrivs(playername)
2091 & (PRIV_SERVER|PRIV_BAN|PRIV_PRIVS)) == 0 &&
2092 playername != g_settings->get("name"))
2094 SendAccessDenied(m_con, peer_id, L"Too many users.");
2099 Player *player = emergePlayer(playername, password, peer_id);
2101 // If failed, cancel
2104 infostream<<"Server: peer_id="<<peer_id
2105 <<": failed to emerge player"<<std::endl;
2110 Answer with a TOCLIENT_INIT
2113 SharedBuffer<u8> reply(2+1+6+8);
2114 writeU16(&reply[0], TOCLIENT_INIT);
2115 writeU8(&reply[2], deployed);
2116 writeV3S16(&reply[2+1], floatToInt(player->getPosition()+v3f(0,BS/2,0), BS));
2117 writeU64(&reply[2+1+6], m_env->getServerMap().getSeed());
2120 m_con.Send(peer_id, 0, reply, true);
2124 Send complete position information
2126 SendMovePlayer(player);
2131 if(command == TOSERVER_INIT2)
2133 infostream<<"Server: Got TOSERVER_INIT2 from "
2134 <<peer_id<<std::endl;
2137 getClient(peer_id)->serialization_version
2138 = getClient(peer_id)->pending_serialization_version;
2141 Send some initialization data
2144 // Send tool definitions
2145 SendToolDef(m_con, peer_id, m_toolmgr);
2147 // Send node definitions
2148 SendNodeDef(m_con, peer_id, m_nodedef);
2151 SendTextures(peer_id);
2153 // Send player info to all players
2156 // Send inventory to player
2157 UpdateCrafting(peer_id);
2158 SendInventory(peer_id);
2160 // Send player items to all players
2163 Player *player = m_env->getPlayer(peer_id);
2166 SendPlayerHP(player);
2170 SharedBuffer<u8> data = makePacket_TOCLIENT_TIME_OF_DAY(
2171 m_env->getTimeOfDay());
2172 m_con.Send(peer_id, 0, data, true);
2175 // Send information about server to player in chat
2176 SendChatMessage(peer_id, getStatusString());
2178 // Send information about joining in chat
2180 std::wstring name = L"unknown";
2181 Player *player = m_env->getPlayer(peer_id);
2183 name = narrow_to_wide(player->getName());
2185 std::wstring message;
2188 message += L" joined game";
2189 BroadcastChatMessage(message);
2192 // Warnings about protocol version can be issued here
2193 if(getClient(peer_id)->net_proto_version < PROTOCOL_VERSION)
2195 SendChatMessage(peer_id, L"# Server: WARNING: YOUR CLIENT IS OLD AND MAY WORK PROPERLY WITH THIS SERVER");
2199 Check HP, respawn if necessary
2201 HandlePlayerHP(player, 0);
2207 std::ostringstream os(std::ios_base::binary);
2208 for(core::map<u16, RemoteClient*>::Iterator
2209 i = m_clients.getIterator();
2210 i.atEnd() == false; i++)
2212 RemoteClient *client = i.getNode()->getValue();
2213 assert(client->peer_id == i.getNode()->getKey());
2214 if(client->serialization_version == SER_FMT_VER_INVALID)
2217 Player *player = m_env->getPlayer(client->peer_id);
2220 // Get name of player
2221 os<<player->getName()<<" ";
2224 actionstream<<player->getName()<<" joins game. List of players: "
2225 <<os.str()<<std::endl;
2231 if(peer_ser_ver == SER_FMT_VER_INVALID)
2233 infostream<<"Server::ProcessData(): Cancelling: Peer"
2234 " serialization format invalid or not initialized."
2235 " Skipping incoming command="<<command<<std::endl;
2239 Player *player = m_env->getPlayer(peer_id);
2242 infostream<<"Server::ProcessData(): Cancelling: "
2243 "No player for peer_id="<<peer_id
2247 if(command == TOSERVER_PLAYERPOS)
2249 if(datasize < 2+12+12+4+4)
2253 v3s32 ps = readV3S32(&data[start+2]);
2254 v3s32 ss = readV3S32(&data[start+2+12]);
2255 f32 pitch = (f32)readS32(&data[2+12+12]) / 100.0;
2256 f32 yaw = (f32)readS32(&data[2+12+12+4]) / 100.0;
2257 v3f position((f32)ps.X/100., (f32)ps.Y/100., (f32)ps.Z/100.);
2258 v3f speed((f32)ss.X/100., (f32)ss.Y/100., (f32)ss.Z/100.);
2259 pitch = wrapDegrees(pitch);
2260 yaw = wrapDegrees(yaw);
2262 player->setPosition(position);
2263 player->setSpeed(speed);
2264 player->setPitch(pitch);
2265 player->setYaw(yaw);
2267 /*infostream<<"Server::ProcessData(): Moved player "<<peer_id<<" to "
2268 <<"("<<position.X<<","<<position.Y<<","<<position.Z<<")"
2269 <<" pitch="<<pitch<<" yaw="<<yaw<<std::endl;*/
2271 else if(command == TOSERVER_GOTBLOCKS)
2284 u16 count = data[2];
2285 for(u16 i=0; i<count; i++)
2287 if((s16)datasize < 2+1+(i+1)*6)
2288 throw con::InvalidIncomingDataException
2289 ("GOTBLOCKS length is too short");
2290 v3s16 p = readV3S16(&data[2+1+i*6]);
2291 /*infostream<<"Server: GOTBLOCKS ("
2292 <<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
2293 RemoteClient *client = getClient(peer_id);
2294 client->GotBlock(p);
2297 else if(command == TOSERVER_DELETEDBLOCKS)
2310 u16 count = data[2];
2311 for(u16 i=0; i<count; i++)
2313 if((s16)datasize < 2+1+(i+1)*6)
2314 throw con::InvalidIncomingDataException
2315 ("DELETEDBLOCKS length is too short");
2316 v3s16 p = readV3S16(&data[2+1+i*6]);
2317 /*infostream<<"Server: DELETEDBLOCKS ("
2318 <<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
2319 RemoteClient *client = getClient(peer_id);
2320 client->SetBlockNotSent(p);
2323 else if(command == TOSERVER_CLICK_OBJECT)
2325 infostream<<"Server: CLICK_OBJECT not supported anymore"<<std::endl;
2328 else if(command == TOSERVER_CLICK_ACTIVEOBJECT)
2333 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
2339 [2] u8 button (0=left, 1=right)
2343 u8 button = readU8(&data[2]);
2344 u16 id = readS16(&data[3]);
2345 u16 item_i = readU16(&data[5]);
2347 ServerActiveObject *obj = m_env->getActiveObject(id);
2351 infostream<<"Server: CLICK_ACTIVEOBJECT: object not found"
2356 // Skip if object has been removed
2360 //TODO: Check that object is reasonably close
2362 // Get ServerRemotePlayer
2363 ServerRemotePlayer *srp = (ServerRemotePlayer*)player;
2365 // Update wielded item
2366 srp->wieldItem(item_i);
2368 // Left click, pick/punch
2371 actionstream<<player->getName()<<" punches object "
2372 <<obj->getId()<<std::endl;
2379 Try creating inventory item
2381 InventoryItem *item = obj->createPickedUpItem();
2385 InventoryList *ilist = player->inventory.getList("main");
2388 actionstream<<player->getName()<<" picked up "
2389 <<item->getName()<<std::endl;
2390 if(g_settings->getBool("creative_mode") == false)
2392 // Skip if inventory has no free space
2393 if(ilist->roomForItem(item) == false)
2395 infostream<<"Player inventory has no free space"<<std::endl;
2399 // Add to inventory and send inventory
2400 ilist->addItem(item);
2401 UpdateCrafting(player->peer_id);
2402 SendInventory(player->peer_id);
2405 // Remove object from environment
2406 obj->m_removed = true;
2412 Item cannot be picked up. Punch it instead.
2415 actionstream<<player->getName()<<" punches object "
2416 <<obj->getId()<<std::endl;
2418 ToolItem *titem = NULL;
2419 std::string toolname = "";
2421 InventoryList *mlist = player->inventory.getList("main");
2424 InventoryItem *item = mlist->getItem(item_i);
2425 if(item && (std::string)item->getName() == "ToolItem")
2427 titem = (ToolItem*)item;
2428 toolname = titem->getToolName();
2432 v3f playerpos = player->getPosition();
2433 v3f objpos = obj->getBasePosition();
2434 v3f dir = (objpos - playerpos).normalize();
2436 u16 wear = obj->punch(toolname, dir, player->getName());
2440 bool weared_out = titem->addWear(wear);
2442 mlist->deleteItem(item_i);
2443 SendInventory(player->peer_id);
2448 // Right click, do something with object
2451 actionstream<<player->getName()<<" right clicks object "
2452 <<obj->getId()<<std::endl;
2455 obj->rightClick(srp);
2459 Update player state to client
2461 SendPlayerHP(player);
2462 UpdateCrafting(player->peer_id);
2463 SendInventory(player->peer_id);
2465 else if(command == TOSERVER_GROUND_ACTION)
2473 [3] v3s16 nodepos_undersurface
2474 [9] v3s16 nodepos_abovesurface
2479 2: stop digging (all parameters ignored)
2480 3: digging completed
2482 u8 action = readU8(&data[2]);
2484 p_under.X = readS16(&data[3]);
2485 p_under.Y = readS16(&data[5]);
2486 p_under.Z = readS16(&data[7]);
2488 p_over.X = readS16(&data[9]);
2489 p_over.Y = readS16(&data[11]);
2490 p_over.Z = readS16(&data[13]);
2491 u16 item_i = readU16(&data[15]);
2493 //TODO: Check that target is reasonably close
2501 NOTE: This can be used in the future to check if
2502 somebody is cheating, by checking the timing.
2504 bool cannot_punch_node = false;
2506 MapNode n(CONTENT_IGNORE);
2510 n = m_env->getMap().getNode(p_under);
2512 catch(InvalidPositionException &e)
2514 infostream<<"Server: Not punching: Node not found."
2515 <<" Adding block to emerge queue."
2517 m_emerge_queue.addBlock(peer_id,
2518 getNodeBlockPos(p_over), BLOCK_EMERGE_FLAG_FROMDISK);
2519 cannot_punch_node = true;
2522 if(cannot_punch_node)
2528 scriptapi_environment_on_punchnode(m_lua, p_under, n);
2535 else if(action == 2)
2538 RemoteClient *client = getClient(peer_id);
2539 JMutexAutoLock digmutex(client->m_dig_mutex);
2540 client->m_dig_tool_item = -1;
2545 3: Digging completed
2547 else if(action == 3)
2549 // Mandatory parameter; actually used for nothing
2550 core::map<v3s16, MapBlock*> modified_blocks;
2552 content_t material = CONTENT_IGNORE;
2553 u8 mineral = MINERAL_NONE;
2555 bool cannot_remove_node = false;
2557 MapNode n(CONTENT_IGNORE);
2560 n = m_env->getMap().getNode(p_under);
2562 mineral = n.getMineral(m_nodedef);
2563 // Get material at position
2564 material = n.getContent();
2565 // If not yet cancelled
2566 if(cannot_remove_node == false)
2568 // If it's not diggable, do nothing
2569 if(m_nodedef->get(material).diggable == false)
2571 infostream<<"Server: Not finishing digging: "
2572 <<"Node not diggable"
2574 cannot_remove_node = true;
2577 // If not yet cancelled
2578 if(cannot_remove_node == false)
2580 // Get node metadata
2581 NodeMetadata *meta = m_env->getMap().getNodeMetadata(p_under);
2582 if(meta && meta->nodeRemovalDisabled() == true)
2584 infostream<<"Server: Not finishing digging: "
2585 <<"Node metadata disables removal"
2587 cannot_remove_node = true;
2591 catch(InvalidPositionException &e)
2593 infostream<<"Server: Not finishing digging: Node not found."
2594 <<" Adding block to emerge queue."
2596 m_emerge_queue.addBlock(peer_id,
2597 getNodeBlockPos(p_over), BLOCK_EMERGE_FLAG_FROMDISK);
2598 cannot_remove_node = true;
2601 // Make sure the player is allowed to do it
2602 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
2604 infostream<<"Player "<<player->getName()<<" cannot remove node"
2605 <<" because privileges are "<<getPlayerPrivs(player)
2607 cannot_remove_node = true;
2611 If node can't be removed, set block to be re-sent to
2614 if(cannot_remove_node)
2616 infostream<<"Server: Not finishing digging."<<std::endl;
2618 // Client probably has wrong data.
2619 // Set block not sent, so that client will get
2621 infostream<<"Client "<<peer_id<<" tried to dig "
2622 <<"node; but node cannot be removed."
2623 <<" setting MapBlock not sent."<<std::endl;
2624 RemoteClient *client = getClient(peer_id);
2625 v3s16 blockpos = getNodeBlockPos(p_under);
2626 client->SetBlockNotSent(blockpos);
2631 actionstream<<player->getName()<<" digs "<<PP(p_under)
2632 <<", gets material "<<(int)material<<", mineral "
2633 <<(int)mineral<<std::endl;
2636 Send the removal to all close-by players.
2637 - If other player is close, send REMOVENODE
2638 - Otherwise set blocks not sent
2640 core::list<u16> far_players;
2641 sendRemoveNode(p_under, peer_id, &far_players, 30);
2644 Update and send inventory
2647 if(g_settings->getBool("creative_mode") == false)
2652 InventoryList *mlist = player->inventory.getList("main");
2655 InventoryItem *item = mlist->getItem(item_i);
2656 if(item && (std::string)item->getName() == "ToolItem")
2658 ToolItem *titem = (ToolItem*)item;
2659 std::string toolname = titem->getToolName();
2661 // Get digging properties for material and tool
2662 ToolDiggingProperties tp =
2663 m_toolmgr->getDiggingProperties(toolname);
2664 DiggingProperties prop =
2665 getDiggingProperties(material, &tp, m_nodedef);
2667 if(prop.diggable == false)
2669 infostream<<"Server: WARNING: Player digged"
2670 <<" with impossible material + tool"
2671 <<" combination"<<std::endl;
2674 bool weared_out = titem->addWear(prop.wear);
2678 mlist->deleteItem(item_i);
2684 Add dug item to inventory
2687 InventoryItem *item = NULL;
2689 if(mineral != MINERAL_NONE)
2690 item = getDiggedMineralItem(mineral, this);
2695 const std::string &dug_s = m_nodedef->get(material).dug_item;
2698 std::istringstream is(dug_s, std::ios::binary);
2699 item = InventoryItem::deSerialize(is, this);
2705 // Add a item to inventory
2706 player->inventory.addItem("main", item);
2709 UpdateCrafting(player->peer_id);
2710 SendInventory(player->peer_id);
2715 if(mineral != MINERAL_NONE)
2716 item = getDiggedMineralItem(mineral, this);
2721 const std::string &extra_dug_s = m_nodedef->get(material).extra_dug_item;
2722 s32 extra_rarity = m_nodedef->get(material).extra_dug_item_rarity;
2723 if(extra_dug_s != "" && extra_rarity != 0
2724 && myrand() % extra_rarity == 0)
2726 std::istringstream is(extra_dug_s, std::ios::binary);
2727 item = InventoryItem::deSerialize(is, this);
2733 // Add a item to inventory
2734 player->inventory.addItem("main", item);
2737 UpdateCrafting(player->peer_id);
2738 SendInventory(player->peer_id);
2744 (this takes some time so it is done after the quick stuff)
2747 MapEditEventIgnorer ign(&m_ignore_map_edit_events);
2749 m_env->getMap().removeNodeAndUpdate(p_under, modified_blocks);
2752 Set blocks not sent to far players
2754 for(core::list<u16>::Iterator
2755 i = far_players.begin();
2756 i != far_players.end(); i++)
2759 RemoteClient *client = getClient(peer_id);
2762 client->SetBlocksNotSent(modified_blocks);
2768 scriptapi_environment_on_dignode(m_lua, p_under, n);
2774 else if(action == 1)
2777 InventoryList *ilist = player->inventory.getList("main");
2782 InventoryItem *item = ilist->getItem(item_i);
2784 // If there is no item, it is not possible to add it anywhere
2789 Handle material items
2791 if(std::string("MaterialItem") == item->getName())
2794 // Don't add a node if this is not a free space
2795 MapNode n2 = m_env->getMap().getNode(p_over);
2796 bool no_enough_privs =
2797 ((getPlayerPrivs(player) & PRIV_BUILD)==0);
2799 infostream<<"Player "<<player->getName()<<" cannot add node"
2800 <<" because privileges are "<<getPlayerPrivs(player)
2803 if(m_nodedef->get(n2).buildable_to == false
2806 // Client probably has wrong data.
2807 // Set block not sent, so that client will get
2809 infostream<<"Client "<<peer_id<<" tried to place"
2810 <<" node in invalid position; setting"
2811 <<" MapBlock not sent."<<std::endl;
2812 RemoteClient *client = getClient(peer_id);
2813 v3s16 blockpos = getNodeBlockPos(p_over);
2814 client->SetBlockNotSent(blockpos);
2818 catch(InvalidPositionException &e)
2820 infostream<<"Server: Ignoring ADDNODE: Node not found"
2821 <<" Adding block to emerge queue."
2823 m_emerge_queue.addBlock(peer_id,
2824 getNodeBlockPos(p_over), BLOCK_EMERGE_FLAG_FROMDISK);
2828 // Reset build time counter
2829 getClient(peer_id)->m_time_from_building = 0.0;
2832 MaterialItem *mitem = (MaterialItem*)item;
2834 n.setContent(mitem->getMaterial());
2836 actionstream<<player->getName()<<" places material "
2837 <<(int)mitem->getMaterial()
2838 <<" at "<<PP(p_under)<<std::endl;
2840 // Calculate direction for wall mounted stuff
2841 if(m_nodedef->get(n).wall_mounted)
2842 n.param2 = packDir(p_under - p_over);
2844 // Calculate the direction for furnaces and chests and stuff
2845 if(m_nodedef->get(n).param_type == CPT_FACEDIR_SIMPLE)
2847 v3f playerpos = player->getPosition();
2848 v3f blockpos = intToFloat(p_over, BS) - playerpos;
2849 blockpos = blockpos.normalize();
2851 if (fabs(blockpos.X) > fabs(blockpos.Z)) {
2865 Send to all close-by players
2867 core::list<u16> far_players;
2868 sendAddNode(p_over, n, 0, &far_players, 30);
2873 InventoryList *ilist = player->inventory.getList("main");
2874 if(g_settings->getBool("creative_mode") == false && ilist)
2876 // Remove from inventory and send inventory
2877 if(mitem->getCount() == 1)
2878 ilist->deleteItem(item_i);
2882 UpdateCrafting(peer_id);
2883 SendInventory(peer_id);
2889 This takes some time so it is done after the quick stuff
2891 core::map<v3s16, MapBlock*> modified_blocks;
2893 MapEditEventIgnorer ign(&m_ignore_map_edit_events);
2895 std::string p_name = std::string(player->getName());
2896 m_env->getMap().addNodeAndUpdate(p_over, n, modified_blocks, p_name);
2899 Set blocks not sent to far players
2901 for(core::list<u16>::Iterator
2902 i = far_players.begin();
2903 i != far_players.end(); i++)
2906 RemoteClient *client = getClient(peer_id);
2909 client->SetBlocksNotSent(modified_blocks);
2915 scriptapi_environment_on_placenode(m_lua, p_over, n);
2918 Calculate special events
2921 /*if(n.d == LEGN(m_nodedef, "CONTENT_MESE"))
2924 for(s16 z=-1; z<=1; z++)
2925 for(s16 y=-1; y<=1; y++)
2926 for(s16 x=-1; x<=1; x++)
2933 Place other item (not a block)
2937 v3s16 blockpos = getNodeBlockPos(p_over);
2940 Check that the block is loaded so that the item
2941 can properly be added to the static list too
2943 MapBlock *block = m_env->getMap().getBlockNoCreateNoEx(blockpos);
2946 infostream<<"Error while placing object: "
2947 "block not found"<<std::endl;
2952 If in creative mode, item dropping is disabled unless
2953 player has build privileges
2955 if(g_settings->getBool("creative_mode") &&
2956 (getPlayerPrivs(player) & PRIV_BUILD) == 0)
2958 infostream<<"Not allowing player to drop item: "
2959 "creative mode and no build privs"<<std::endl;
2963 // Calculate a position for it
2964 v3f pos = intToFloat(p_over, BS);
2966 /*pos.Y -= BS*0.25; // let it drop a bit
2968 pos.X += BS*0.2*(float)myrand_range(-1000,1000)/1000.0;
2969 pos.Z += BS*0.2*(float)myrand_range(-1000,1000)/1000.0;*/
2974 ServerActiveObject *obj = item->createSAO(m_env, 0, pos);
2978 infostream<<"WARNING: item resulted in NULL object, "
2979 <<"not placing onto map"
2984 actionstream<<player->getName()<<" places "<<item->getName()
2985 <<" at "<<PP(p_over)<<std::endl;
2987 // Add the object to the environment
2988 m_env->addActiveObject(obj);
2990 infostream<<"Placed object"<<std::endl;
2992 if(g_settings->getBool("creative_mode") == false)
2994 // Delete the right amount of items from the slot
2995 u16 dropcount = item->getDropCount();
2997 // Delete item if all gone
2998 if(item->getCount() <= dropcount)
3000 if(item->getCount() < dropcount)
3001 infostream<<"WARNING: Server: dropped more items"
3002 <<" than the slot contains"<<std::endl;
3004 InventoryList *ilist = player->inventory.getList("main");
3006 // Remove from inventory and send inventory
3007 ilist->deleteItem(item_i);
3009 // Else decrement it
3011 item->remove(dropcount);
3014 UpdateCrafting(peer_id);
3015 SendInventory(peer_id);
3023 Catch invalid actions
3027 infostream<<"WARNING: Server: Invalid action "
3028 <<action<<std::endl;
3032 else if(command == TOSERVER_RELEASE)
3041 infostream<<"TOSERVER_RELEASE ignored"<<std::endl;
3044 else if(command == TOSERVER_SIGNTEXT)
3046 infostream<<"Server: TOSERVER_SIGNTEXT not supported anymore"
3050 else if(command == TOSERVER_SIGNNODETEXT)
3052 if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
3060 std::string datastring((char*)&data[2], datasize-2);
3061 std::istringstream is(datastring, std::ios_base::binary);
3064 is.read((char*)buf, 6);
3065 v3s16 p = readV3S16(buf);
3066 is.read((char*)buf, 2);
3067 u16 textlen = readU16(buf);
3069 for(u16 i=0; i<textlen; i++)
3071 is.read((char*)buf, 1);
3072 text += (char)buf[0];
3075 NodeMetadata *meta = m_env->getMap().getNodeMetadata(p);
3078 if(meta->typeId() != LEGN(m_nodedef, "CONTENT_SIGN_WALL"))
3080 SignNodeMetadata *signmeta = (SignNodeMetadata*)meta;
3081 signmeta->setText(text);
3083 actionstream<<player->getName()<<" writes \""<<text<<"\" to sign "
3084 <<" at "<<PP(p)<<std::endl;
3086 v3s16 blockpos = getNodeBlockPos(p);
3087 MapBlock *block = m_env->getMap().getBlockNoCreateNoEx(blockpos);
3090 block->raiseModified(MOD_STATE_WRITE_NEEDED,
3094 setBlockNotSent(blockpos);
3096 else if(command == TOSERVER_INVENTORY_ACTION)
3098 /*// Ignore inventory changes if in creative mode
3099 if(g_settings->getBool("creative_mode") == true)
3101 infostream<<"TOSERVER_INVENTORY_ACTION: ignoring in creative mode"
3105 // Strip command and create a stream
3106 std::string datastring((char*)&data[2], datasize-2);
3107 infostream<<"TOSERVER_INVENTORY_ACTION: data="<<datastring<<std::endl;
3108 std::istringstream is(datastring, std::ios_base::binary);
3110 InventoryAction *a = InventoryAction::deSerialize(is);
3115 c.current_player = player;
3118 Handle craftresult specially if not in creative mode
3120 bool disable_action = false;
3121 if(a->getType() == IACTION_MOVE
3122 && g_settings->getBool("creative_mode") == false)
3124 IMoveAction *ma = (IMoveAction*)a;
3125 if(ma->to_inv == "current_player" &&
3126 ma->from_inv == "current_player")
3128 InventoryList *rlist = player->inventory.getList("craftresult");
3130 InventoryList *clist = player->inventory.getList("craft");
3132 InventoryList *mlist = player->inventory.getList("main");
3135 Craftresult is no longer preview if something
3138 if(ma->to_list == "craftresult"
3139 && ma->from_list != "craftresult")
3141 // If it currently is a preview, remove
3143 if(player->craftresult_is_preview)
3145 rlist->deleteItem(0);
3147 player->craftresult_is_preview = false;
3150 Crafting takes place if this condition is true.
3152 if(player->craftresult_is_preview &&
3153 ma->from_list == "craftresult")
3155 player->craftresult_is_preview = false;
3156 clist->decrementMaterials(1);
3158 /* Print out action */
3159 InventoryList *list =
3160 player->inventory.getList("craftresult");
3162 InventoryItem *item = list->getItem(0);
3163 std::string itemname = "NULL";
3165 itemname = item->getName();
3166 actionstream<<player->getName()<<" crafts "
3167 <<itemname<<std::endl;
3170 If the craftresult is placed on itself, move it to
3171 main inventory instead of doing the action
3173 if(ma->to_list == "craftresult"
3174 && ma->from_list == "craftresult")
3176 disable_action = true;
3178 InventoryItem *item1 = rlist->changeItem(0, NULL);
3179 mlist->addItem(item1);
3182 // Disallow moving items if not allowed to build
3183 else if((getPlayerPrivs(player) & PRIV_BUILD) == 0)
3187 // if it's a locking chest, only allow the owner or server admins to move items
3188 else if (ma->from_inv != "current_player" && (getPlayerPrivs(player) & PRIV_SERVER) == 0)
3190 Strfnd fn(ma->from_inv);
3191 std::string id0 = fn.next(":");
3192 if(id0 == "nodemeta")
3195 p.X = stoi(fn.next(","));
3196 p.Y = stoi(fn.next(","));
3197 p.Z = stoi(fn.next(","));
3198 NodeMetadata *meta = m_env->getMap().getNodeMetadata(p);
3199 if(meta && meta->typeId() == LEGN(m_nodedef, "CONTENT_LOCKABLE_CHEST")) {
3200 LockingChestNodeMetadata *lcm = (LockingChestNodeMetadata*)meta;
3201 if (lcm->getOwner() != player->getName())
3206 else if (ma->to_inv != "current_player" && (getPlayerPrivs(player) & PRIV_SERVER) == 0)
3208 Strfnd fn(ma->to_inv);
3209 std::string id0 = fn.next(":");
3210 if(id0 == "nodemeta")
3213 p.X = stoi(fn.next(","));
3214 p.Y = stoi(fn.next(","));
3215 p.Z = stoi(fn.next(","));
3216 NodeMetadata *meta = m_env->getMap().getNodeMetadata(p);
3217 if(meta && meta->typeId() == LEGN(m_nodedef, "CONTENT_LOCKABLE_CHEST")) {
3218 LockingChestNodeMetadata *lcm = (LockingChestNodeMetadata*)meta;
3219 if (lcm->getOwner() != player->getName())
3226 if(disable_action == false)
3228 // Feed action to player inventory
3236 UpdateCrafting(player->peer_id);
3237 SendInventory(player->peer_id);
3242 infostream<<"TOSERVER_INVENTORY_ACTION: "
3243 <<"InventoryAction::deSerialize() returned NULL"
3247 else if(command == TOSERVER_CHAT_MESSAGE)
3255 std::string datastring((char*)&data[2], datasize-2);
3256 std::istringstream is(datastring, std::ios_base::binary);
3259 is.read((char*)buf, 2);
3260 u16 len = readU16(buf);
3262 std::wstring message;
3263 for(u16 i=0; i<len; i++)
3265 is.read((char*)buf, 2);
3266 message += (wchar_t)readU16(buf);
3269 // Get player name of this client
3270 std::wstring name = narrow_to_wide(player->getName());
3272 // Line to send to players
3274 // Whether to send to the player that sent the line
3275 bool send_to_sender = false;
3276 // Whether to send to other players
3277 bool send_to_others = false;
3279 // Local player gets all privileges regardless of
3280 // what's set on their account.
3281 u64 privs = getPlayerPrivs(player);
3284 if(message[0] == L'/')
3286 size_t strip_size = 1;
3287 if (message[1] == L'#') // support old-style commans
3289 message = message.substr(strip_size);
3291 WStrfnd f1(message);
3292 f1.next(L" "); // Skip over /#whatever
3293 std::wstring paramstring = f1.next(L"");
3295 ServerCommandContext *ctx = new ServerCommandContext(
3296 str_split(message, L' '),
3303 std::wstring reply(processServerCommand(ctx));
3304 send_to_sender = ctx->flags & SEND_TO_SENDER;
3305 send_to_others = ctx->flags & SEND_TO_OTHERS;
3307 if (ctx->flags & SEND_NO_PREFIX)
3310 line += L"Server: " + reply;
3317 if(privs & PRIV_SHOUT)
3323 send_to_others = true;
3327 line += L"Server: You are not allowed to shout";
3328 send_to_sender = true;
3335 actionstream<<"CHAT: "<<wide_to_narrow(line)<<std::endl;
3338 Send the message to clients
3340 for(core::map<u16, RemoteClient*>::Iterator
3341 i = m_clients.getIterator();
3342 i.atEnd() == false; i++)
3344 // Get client and check that it is valid
3345 RemoteClient *client = i.getNode()->getValue();
3346 assert(client->peer_id == i.getNode()->getKey());
3347 if(client->serialization_version == SER_FMT_VER_INVALID)
3351 bool sender_selected = (peer_id == client->peer_id);
3352 if(sender_selected == true && send_to_sender == false)
3354 if(sender_selected == false && send_to_others == false)
3357 SendChatMessage(client->peer_id, line);
3361 else if(command == TOSERVER_DAMAGE)
3363 std::string datastring((char*)&data[2], datasize-2);
3364 std::istringstream is(datastring, std::ios_base::binary);
3365 u8 damage = readU8(is);
3367 if(g_settings->getBool("enable_damage"))
3369 actionstream<<player->getName()<<" damaged by "
3370 <<(int)damage<<" hp at "<<PP(player->getPosition()/BS)
3373 HandlePlayerHP(player, damage);
3377 SendPlayerHP(player);
3380 else if(command == TOSERVER_PASSWORD)
3383 [0] u16 TOSERVER_PASSWORD
3384 [2] u8[28] old password
3385 [30] u8[28] new password
3388 if(datasize != 2+PASSWORD_SIZE*2)
3390 /*char password[PASSWORD_SIZE];
3391 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
3392 password[i] = data[2+i];
3393 password[PASSWORD_SIZE-1] = 0;*/
3395 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
3403 for(u32 i=0; i<PASSWORD_SIZE-1; i++)
3405 char c = data[2+PASSWORD_SIZE+i];
3411 infostream<<"Server: Client requests a password change from "
3412 <<"'"<<oldpwd<<"' to '"<<newpwd<<"'"<<std::endl;
3414 std::string playername = player->getName();
3416 if(m_authmanager.exists(playername) == false)
3418 infostream<<"Server: playername not found in authmanager"<<std::endl;
3419 // Wrong old password supplied!!
3420 SendChatMessage(peer_id, L"playername not found in authmanager");
3424 std::string checkpwd = m_authmanager.getPassword(playername);
3426 if(oldpwd != checkpwd)
3428 infostream<<"Server: invalid old password"<<std::endl;
3429 // Wrong old password supplied!!
3430 SendChatMessage(peer_id, L"Invalid old password supplied. Password NOT changed.");
3434 actionstream<<player->getName()<<" changes password"<<std::endl;
3436 m_authmanager.setPassword(playername, newpwd);
3438 infostream<<"Server: password change successful for "<<playername
3440 SendChatMessage(peer_id, L"Password change successful");
3442 else if(command == TOSERVER_PLAYERITEM)
3447 u16 item = readU16(&data[2]);
3448 player->wieldItem(item);
3449 SendWieldedItem(player);
3451 else if(command == TOSERVER_RESPAWN)
3456 RespawnPlayer(player);
3458 actionstream<<player->getName()<<" respawns at "
3459 <<PP(player->getPosition()/BS)<<std::endl;
3463 infostream<<"Server::ProcessData(): Ignoring "
3464 "unknown command "<<command<<std::endl;
3468 catch(SendFailedException &e)
3470 errorstream<<"Server::ProcessData(): SendFailedException: "
3476 void Server::onMapEditEvent(MapEditEvent *event)
3478 //infostream<<"Server::onMapEditEvent()"<<std::endl;
3479 if(m_ignore_map_edit_events)
3481 MapEditEvent *e = event->clone();
3482 m_unsent_map_edit_queue.push_back(e);
3485 Inventory* Server::getInventory(InventoryContext *c, std::string id)
3487 if(id == "current_player")
3489 assert(c->current_player);
3490 return &(c->current_player->inventory);
3494 std::string id0 = fn.next(":");
3496 if(id0 == "nodemeta")
3499 p.X = stoi(fn.next(","));
3500 p.Y = stoi(fn.next(","));
3501 p.Z = stoi(fn.next(","));
3502 NodeMetadata *meta = m_env->getMap().getNodeMetadata(p);
3504 return meta->getInventory();
3505 infostream<<"nodemeta at ("<<p.X<<","<<p.Y<<","<<p.Z<<"): "
3506 <<"no metadata found"<<std::endl;
3510 infostream<<__FUNCTION_NAME<<": unknown id "<<id<<std::endl;
3513 void Server::inventoryModified(InventoryContext *c, std::string id)
3515 if(id == "current_player")
3517 assert(c->current_player);
3519 UpdateCrafting(c->current_player->peer_id);
3520 SendInventory(c->current_player->peer_id);
3525 std::string id0 = fn.next(":");
3527 if(id0 == "nodemeta")
3530 p.X = stoi(fn.next(","));
3531 p.Y = stoi(fn.next(","));
3532 p.Z = stoi(fn.next(","));
3533 v3s16 blockpos = getNodeBlockPos(p);
3535 NodeMetadata *meta = m_env->getMap().getNodeMetadata(p);
3537 meta->inventoryModified();
3539 MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(blockpos);
3541 block->raiseModified(MOD_STATE_WRITE_NEEDED);
3543 setBlockNotSent(blockpos);
3548 infostream<<__FUNCTION_NAME<<": unknown id "<<id<<std::endl;
3551 core::list<PlayerInfo> Server::getPlayerInfo()
3553 DSTACK(__FUNCTION_NAME);
3554 JMutexAutoLock envlock(m_env_mutex);
3555 JMutexAutoLock conlock(m_con_mutex);
3557 core::list<PlayerInfo> list;
3559 core::list<Player*> players = m_env->getPlayers();
3561 core::list<Player*>::Iterator i;
3562 for(i = players.begin();
3563 i != players.end(); i++)
3567 Player *player = *i;
3570 // Copy info from connection to info struct
3571 info.id = player->peer_id;
3572 info.address = m_con.GetPeerAddress(player->peer_id);
3573 info.avg_rtt = m_con.GetPeerAvgRTT(player->peer_id);
3575 catch(con::PeerNotFoundException &e)
3577 // Set dummy peer info
3579 info.address = Address(0,0,0,0,0);
3583 snprintf(info.name, PLAYERNAME_SIZE, "%s", player->getName());
3584 info.position = player->getPosition();
3586 list.push_back(info);
3593 void Server::peerAdded(con::Peer *peer)
3595 DSTACK(__FUNCTION_NAME);
3596 infostream<<"Server::peerAdded(): peer->id="
3597 <<peer->id<<std::endl;
3600 c.type = PEER_ADDED;
3601 c.peer_id = peer->id;
3603 m_peer_change_queue.push_back(c);
3606 void Server::deletingPeer(con::Peer *peer, bool timeout)
3608 DSTACK(__FUNCTION_NAME);
3609 infostream<<"Server::deletingPeer(): peer->id="
3610 <<peer->id<<", timeout="<<timeout<<std::endl;
3613 c.type = PEER_REMOVED;
3614 c.peer_id = peer->id;
3615 c.timeout = timeout;
3616 m_peer_change_queue.push_back(c);
3623 void Server::SendHP(con::Connection &con, u16 peer_id, u8 hp)
3625 DSTACK(__FUNCTION_NAME);
3626 std::ostringstream os(std::ios_base::binary);
3628 writeU16(os, TOCLIENT_HP);
3632 std::string s = os.str();
3633 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3635 con.Send(peer_id, 0, data, true);
3638 void Server::SendAccessDenied(con::Connection &con, u16 peer_id,
3639 const std::wstring &reason)
3641 DSTACK(__FUNCTION_NAME);
3642 std::ostringstream os(std::ios_base::binary);
3644 writeU16(os, TOCLIENT_ACCESS_DENIED);
3645 os<<serializeWideString(reason);
3648 std::string s = os.str();
3649 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3651 con.Send(peer_id, 0, data, true);
3654 void Server::SendDeathscreen(con::Connection &con, u16 peer_id,
3655 bool set_camera_point_target, v3f camera_point_target)
3657 DSTACK(__FUNCTION_NAME);
3658 std::ostringstream os(std::ios_base::binary);
3660 writeU16(os, TOCLIENT_DEATHSCREEN);
3661 writeU8(os, set_camera_point_target);
3662 writeV3F1000(os, camera_point_target);
3665 std::string s = os.str();
3666 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3668 con.Send(peer_id, 0, data, true);
3671 void Server::SendToolDef(con::Connection &con, u16 peer_id,
3672 IToolDefManager *tooldef)
3674 DSTACK(__FUNCTION_NAME);
3675 std::ostringstream os(std::ios_base::binary);
3679 u32 length of the next item
3680 serialized ToolDefManager
3682 writeU16(os, TOCLIENT_TOOLDEF);
3683 std::ostringstream tmp_os(std::ios::binary);
3684 tooldef->serialize(tmp_os);
3685 os<<serializeLongString(tmp_os.str());
3688 std::string s = os.str();
3689 infostream<<"Server::SendToolDef(): Sending tool definitions: size="
3690 <<s.size()<<std::endl;
3691 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3693 con.Send(peer_id, 0, data, true);
3696 void Server::SendNodeDef(con::Connection &con, u16 peer_id,
3697 INodeDefManager *nodedef)
3699 DSTACK(__FUNCTION_NAME);
3700 std::ostringstream os(std::ios_base::binary);
3704 u32 length of the next item
3705 serialized NodeDefManager
3707 writeU16(os, TOCLIENT_NODEDEF);
3708 std::ostringstream tmp_os(std::ios::binary);
3709 nodedef->serialize(tmp_os);
3710 os<<serializeLongString(tmp_os.str());
3713 std::string s = os.str();
3714 infostream<<"Server::SendNodeDef(): Sending node definitions: size="
3715 <<s.size()<<std::endl;
3716 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3718 con.Send(peer_id, 0, data, true);
3722 Non-static send methods
3725 void Server::SendObjectData(float dtime)
3727 DSTACK(__FUNCTION_NAME);
3729 core::map<v3s16, bool> stepped_blocks;
3731 for(core::map<u16, RemoteClient*>::Iterator
3732 i = m_clients.getIterator();
3733 i.atEnd() == false; i++)
3735 u16 peer_id = i.getNode()->getKey();
3736 RemoteClient *client = i.getNode()->getValue();
3737 assert(client->peer_id == peer_id);
3739 if(client->serialization_version == SER_FMT_VER_INVALID)
3742 client->SendObjectData(this, dtime, stepped_blocks);
3746 void Server::SendPlayerInfos()
3748 DSTACK(__FUNCTION_NAME);
3750 //JMutexAutoLock envlock(m_env_mutex);
3752 // Get connected players
3753 core::list<Player*> players = m_env->getPlayers(true);
3755 u32 player_count = players.getSize();
3756 u32 datasize = 2+(2+PLAYERNAME_SIZE)*player_count;
3758 SharedBuffer<u8> data(datasize);
3759 writeU16(&data[0], TOCLIENT_PLAYERINFO);
3762 core::list<Player*>::Iterator i;
3763 for(i = players.begin();
3764 i != players.end(); i++)
3766 Player *player = *i;
3768 /*infostream<<"Server sending player info for player with "
3769 "peer_id="<<player->peer_id<<std::endl;*/
3771 writeU16(&data[start], player->peer_id);
3772 memset((char*)&data[start+2], 0, PLAYERNAME_SIZE);
3773 snprintf((char*)&data[start+2], PLAYERNAME_SIZE, "%s", player->getName());
3774 start += 2+PLAYERNAME_SIZE;
3777 //JMutexAutoLock conlock(m_con_mutex);
3780 m_con.SendToAll(0, data, true);
3783 void Server::SendInventory(u16 peer_id)
3785 DSTACK(__FUNCTION_NAME);
3787 Player* player = m_env->getPlayer(peer_id);
3794 std::ostringstream os;
3795 //os.imbue(std::locale("C"));
3797 player->inventory.serialize(os);
3799 std::string s = os.str();
3801 SharedBuffer<u8> data(s.size()+2);
3802 writeU16(&data[0], TOCLIENT_INVENTORY);
3803 memcpy(&data[2], s.c_str(), s.size());
3806 m_con.Send(peer_id, 0, data, true);
3809 std::string getWieldedItemString(const Player *player)
3811 const InventoryItem *item = player->getWieldItem();
3813 return std::string("");
3814 std::ostringstream os(std::ios_base::binary);
3815 item->serialize(os);
3819 void Server::SendWieldedItem(const Player* player)
3821 DSTACK(__FUNCTION_NAME);
3825 std::ostringstream os(std::ios_base::binary);
3827 writeU16(os, TOCLIENT_PLAYERITEM);
3829 writeU16(os, player->peer_id);
3830 os<<serializeString(getWieldedItemString(player));
3833 std::string s = os.str();
3834 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3836 m_con.SendToAll(0, data, true);
3839 void Server::SendPlayerItems()
3841 DSTACK(__FUNCTION_NAME);
3843 std::ostringstream os(std::ios_base::binary);
3844 core::list<Player *> players = m_env->getPlayers(true);
3846 writeU16(os, TOCLIENT_PLAYERITEM);
3847 writeU16(os, players.size());
3848 core::list<Player *>::Iterator i;
3849 for(i = players.begin(); i != players.end(); ++i)
3852 writeU16(os, p->peer_id);
3853 os<<serializeString(getWieldedItemString(p));
3857 std::string s = os.str();
3858 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3860 m_con.SendToAll(0, data, true);
3863 void Server::SendChatMessage(u16 peer_id, const std::wstring &message)
3865 DSTACK(__FUNCTION_NAME);
3867 std::ostringstream os(std::ios_base::binary);
3871 writeU16(buf, TOCLIENT_CHAT_MESSAGE);
3872 os.write((char*)buf, 2);
3875 writeU16(buf, message.size());
3876 os.write((char*)buf, 2);
3879 for(u32 i=0; i<message.size(); i++)
3883 os.write((char*)buf, 2);
3887 std::string s = os.str();
3888 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3890 m_con.Send(peer_id, 0, data, true);
3893 void Server::BroadcastChatMessage(const std::wstring &message)
3895 for(core::map<u16, RemoteClient*>::Iterator
3896 i = m_clients.getIterator();
3897 i.atEnd() == false; i++)
3899 // Get client and check that it is valid
3900 RemoteClient *client = i.getNode()->getValue();
3901 assert(client->peer_id == i.getNode()->getKey());
3902 if(client->serialization_version == SER_FMT_VER_INVALID)
3905 SendChatMessage(client->peer_id, message);
3909 void Server::SendPlayerHP(Player *player)
3911 SendHP(m_con, player->peer_id, player->hp);
3914 void Server::SendMovePlayer(Player *player)
3916 DSTACK(__FUNCTION_NAME);
3917 std::ostringstream os(std::ios_base::binary);
3919 writeU16(os, TOCLIENT_MOVE_PLAYER);
3920 writeV3F1000(os, player->getPosition());
3921 writeF1000(os, player->getPitch());
3922 writeF1000(os, player->getYaw());
3925 v3f pos = player->getPosition();
3926 f32 pitch = player->getPitch();
3927 f32 yaw = player->getYaw();
3928 infostream<<"Server sending TOCLIENT_MOVE_PLAYER"
3929 <<" pos=("<<pos.X<<","<<pos.Y<<","<<pos.Z<<")"
3936 std::string s = os.str();
3937 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
3939 m_con.Send(player->peer_id, 0, data, true);
3942 void Server::sendRemoveNode(v3s16 p, u16 ignore_id,
3943 core::list<u16> *far_players, float far_d_nodes)
3945 float maxd = far_d_nodes*BS;
3946 v3f p_f = intToFloat(p, BS);
3950 SharedBuffer<u8> reply(replysize);
3951 writeU16(&reply[0], TOCLIENT_REMOVENODE);
3952 writeS16(&reply[2], p.X);
3953 writeS16(&reply[4], p.Y);
3954 writeS16(&reply[6], p.Z);
3956 for(core::map<u16, RemoteClient*>::Iterator
3957 i = m_clients.getIterator();
3958 i.atEnd() == false; i++)
3960 // Get client and check that it is valid
3961 RemoteClient *client = i.getNode()->getValue();
3962 assert(client->peer_id == i.getNode()->getKey());
3963 if(client->serialization_version == SER_FMT_VER_INVALID)
3966 // Don't send if it's the same one
3967 if(client->peer_id == ignore_id)
3973 Player *player = m_env->getPlayer(client->peer_id);
3976 // If player is far away, only set modified blocks not sent
3977 v3f player_pos = player->getPosition();
3978 if(player_pos.getDistanceFrom(p_f) > maxd)
3980 far_players->push_back(client->peer_id);
3987 m_con.Send(client->peer_id, 0, reply, true);
3991 void Server::sendAddNode(v3s16 p, MapNode n, u16 ignore_id,
3992 core::list<u16> *far_players, float far_d_nodes)
3994 float maxd = far_d_nodes*BS;
3995 v3f p_f = intToFloat(p, BS);
3997 for(core::map<u16, RemoteClient*>::Iterator
3998 i = m_clients.getIterator();
3999 i.atEnd() == false; i++)
4001 // Get client and check that it is valid
4002 RemoteClient *client = i.getNode()->getValue();
4003 assert(client->peer_id == i.getNode()->getKey());
4004 if(client->serialization_version == SER_FMT_VER_INVALID)
4007 // Don't send if it's the same one
4008 if(client->peer_id == ignore_id)
4014 Player *player = m_env->getPlayer(client->peer_id);
4017 // If player is far away, only set modified blocks not sent
4018 v3f player_pos = player->getPosition();
4019 if(player_pos.getDistanceFrom(p_f) > maxd)
4021 far_players->push_back(client->peer_id);
4028 u32 replysize = 8 + MapNode::serializedLength(client->serialization_version);
4029 SharedBuffer<u8> reply(replysize);
4030 writeU16(&reply[0], TOCLIENT_ADDNODE);
4031 writeS16(&reply[2], p.X);
4032 writeS16(&reply[4], p.Y);
4033 writeS16(&reply[6], p.Z);
4034 n.serialize(&reply[8], client->serialization_version);
4037 m_con.Send(client->peer_id, 0, reply, true);
4041 void Server::setBlockNotSent(v3s16 p)
4043 for(core::map<u16, RemoteClient*>::Iterator
4044 i = m_clients.getIterator();
4045 i.atEnd()==false; i++)
4047 RemoteClient *client = i.getNode()->getValue();
4048 client->SetBlockNotSent(p);
4052 void Server::SendBlockNoLock(u16 peer_id, MapBlock *block, u8 ver)
4054 DSTACK(__FUNCTION_NAME);
4056 v3s16 p = block->getPos();
4060 bool completely_air = true;
4061 for(s16 z0=0; z0<MAP_BLOCKSIZE; z0++)
4062 for(s16 x0=0; x0<MAP_BLOCKSIZE; x0++)
4063 for(s16 y0=0; y0<MAP_BLOCKSIZE; y0++)
4065 if(block->getNodeNoEx(v3s16(x0,y0,z0)).d != CONTENT_AIR)
4067 completely_air = false;
4068 x0 = y0 = z0 = MAP_BLOCKSIZE; // Break out
4073 infostream<<"Server: Sending block ("<<p.X<<","<<p.Y<<","<<p.Z<<"): ";
4075 infostream<<"[completely air] ";
4076 infostream<<std::endl;
4080 Create a packet with the block in the right format
4083 std::ostringstream os(std::ios_base::binary);
4084 block->serialize(os, ver);
4085 std::string s = os.str();
4086 SharedBuffer<u8> blockdata((u8*)s.c_str(), s.size());
4088 u32 replysize = 8 + blockdata.getSize();
4089 SharedBuffer<u8> reply(replysize);
4090 writeU16(&reply[0], TOCLIENT_BLOCKDATA);
4091 writeS16(&reply[2], p.X);
4092 writeS16(&reply[4], p.Y);
4093 writeS16(&reply[6], p.Z);
4094 memcpy(&reply[8], *blockdata, blockdata.getSize());
4096 /*infostream<<"Server: Sending block ("<<p.X<<","<<p.Y<<","<<p.Z<<")"
4097 <<": \tpacket size: "<<replysize<<std::endl;*/
4102 m_con.Send(peer_id, 1, reply, true);
4105 void Server::SendBlocks(float dtime)
4107 DSTACK(__FUNCTION_NAME);
4109 JMutexAutoLock envlock(m_env_mutex);
4110 JMutexAutoLock conlock(m_con_mutex);
4112 //TimeTaker timer("Server::SendBlocks");
4114 core::array<PrioritySortedBlockTransfer> queue;
4116 s32 total_sending = 0;
4119 ScopeProfiler sp(g_profiler, "Server: selecting blocks for sending");
4121 for(core::map<u16, RemoteClient*>::Iterator
4122 i = m_clients.getIterator();
4123 i.atEnd() == false; i++)
4125 RemoteClient *client = i.getNode()->getValue();
4126 assert(client->peer_id == i.getNode()->getKey());
4128 total_sending += client->SendingCount();
4130 if(client->serialization_version == SER_FMT_VER_INVALID)
4133 client->GetNextBlocks(this, dtime, queue);
4138 // Lowest priority number comes first.
4139 // Lowest is most important.
4142 for(u32 i=0; i<queue.size(); i++)
4144 //TODO: Calculate limit dynamically
4145 if(total_sending >= g_settings->getS32
4146 ("max_simultaneous_block_sends_server_total"))
4149 PrioritySortedBlockTransfer q = queue[i];
4151 MapBlock *block = NULL;
4154 block = m_env->getMap().getBlockNoCreate(q.pos);
4156 catch(InvalidPositionException &e)
4161 RemoteClient *client = getClient(q.peer_id);
4163 SendBlockNoLock(q.peer_id, block, client->serialization_version);
4165 client->SentBlock(q.pos);
4171 struct SendableTexture
4177 SendableTexture(const std::string &name_="", const std::string path_="",
4178 const std::string &data_=""):
4185 void Server::SendTextures(u16 peer_id)
4187 DSTACK(__FUNCTION_NAME);
4189 infostream<<"Server::SendTextures(): Sending textures to client"<<std::endl;
4193 // Put 5kB in one bunch (this is not accurate)
4194 u32 bytes_per_bunch = 5000;
4196 core::array< core::list<SendableTexture> > texture_bunches;
4197 texture_bunches.push_back(core::list<SendableTexture>());
4199 u32 texture_size_bunch_total = 0;
4200 core::list<ModSpec> mods = getMods(m_modspaths);
4201 for(core::list<ModSpec>::Iterator i = mods.begin();
4202 i != mods.end(); i++){
4204 std::string texturepath = mod.path + DIR_DELIM + "textures";
4205 std::vector<fs::DirListNode> dirlist = fs::GetDirListing(texturepath);
4206 for(u32 j=0; j<dirlist.size(); j++){
4207 if(dirlist[j].dir) // Ignode dirs
4209 std::string tname = dirlist[j].name;
4210 std::string tpath = texturepath + DIR_DELIM + tname;
4212 std::ifstream fis(tpath.c_str(), std::ios_base::binary);
4213 if(fis.good() == false){
4214 errorstream<<"Server::SendTextures(): Could not open \""
4215 <<tname<<"\" for reading"<<std::endl;
4218 std::ostringstream tmp_os(std::ios_base::binary);
4222 fis.read(buf, 1024);
4223 std::streamsize len = fis.gcount();
4224 tmp_os.write(buf, len);
4225 texture_size_bunch_total += len;
4234 errorstream<<"Server::SendTextures(): Failed to read \""
4235 <<tname<<"\""<<std::endl;
4238 /*infostream<<"Server::SendTextures(): Loaded \""
4239 <<tname<<"\""<<std::endl;*/
4241 texture_bunches[texture_bunches.size()-1].push_back(
4242 SendableTexture(tname, tpath, tmp_os.str()));
4244 // Start next bunch if got enough data
4245 if(texture_size_bunch_total >= bytes_per_bunch){
4246 texture_bunches.push_back(core::list<SendableTexture>());
4247 texture_size_bunch_total = 0;
4252 /* Create and send packets */
4254 u32 num_bunches = texture_bunches.size();
4255 for(u32 i=0; i<num_bunches; i++)
4259 u16 total number of texture bunches
4260 u16 index of this bunch
4261 u32 number of textures in this bunch
4269 std::ostringstream os(std::ios_base::binary);
4271 writeU16(os, TOCLIENT_TEXTURES);
4272 writeU16(os, num_bunches);
4274 writeU32(os, texture_bunches[i].size());
4276 for(core::list<SendableTexture>::Iterator
4277 j = texture_bunches[i].begin();
4278 j != texture_bunches[i].end(); j++){
4279 os<<serializeString(j->name);
4280 os<<serializeLongString(j->data);
4284 std::string s = os.str();
4285 infostream<<"Server::SendTextures(): bunch "<<i<<"/"<<num_bunches
4286 <<" textures="<<texture_bunches[i].size()
4287 <<" size=" <<s.size()<<std::endl;
4288 SharedBuffer<u8> data((u8*)s.c_str(), s.size());
4290 m_con.Send(peer_id, 0, data, true);
4298 void Server::HandlePlayerHP(Player *player, s16 damage)
4300 if(player->hp > damage)
4302 player->hp -= damage;
4303 SendPlayerHP(player);
4307 infostream<<"Server::HandlePlayerHP(): Player "
4308 <<player->getName()<<" dies"<<std::endl;
4312 //TODO: Throw items around
4314 // Handle players that are not connected
4315 if(player->peer_id == PEER_ID_INEXISTENT){
4316 RespawnPlayer(player);
4320 SendPlayerHP(player);
4322 RemoteClient *client = getClient(player->peer_id);
4323 if(client->net_proto_version >= 3)
4325 SendDeathscreen(m_con, player->peer_id, false, v3f(0,0,0));
4329 RespawnPlayer(player);
4334 void Server::RespawnPlayer(Player *player)
4336 v3f pos = findSpawnPos(m_env->getServerMap());
4337 player->setPosition(pos);
4339 SendMovePlayer(player);
4340 SendPlayerHP(player);
4343 void Server::UpdateCrafting(u16 peer_id)
4345 DSTACK(__FUNCTION_NAME);
4347 Player* player = m_env->getPlayer(peer_id);
4351 Calculate crafting stuff
4353 if(g_settings->getBool("creative_mode") == false)
4355 InventoryList *clist = player->inventory.getList("craft");
4356 InventoryList *rlist = player->inventory.getList("craftresult");
4358 if(rlist && rlist->getUsedSlots() == 0)
4359 player->craftresult_is_preview = true;
4361 if(rlist && player->craftresult_is_preview)
4363 rlist->clearItems();
4365 if(clist && rlist && player->craftresult_is_preview)
4367 // Get result of crafting grid
4369 std::vector<InventoryItem*> items;
4370 for(u16 i=0; i<9; i++){
4371 if(clist->getItem(i) == NULL)
4372 items.push_back(NULL);
4374 items.push_back(clist->getItem(i)->clone());
4376 CraftPointerInput cpi(3, items);
4378 InventoryItem *result = m_craftdef->getCraftResult(cpi, this);
4379 //InventoryItem *result = craft_get_result(items, this);
4381 rlist->addItem(result);
4384 } // if creative_mode == false
4387 RemoteClient* Server::getClient(u16 peer_id)
4389 DSTACK(__FUNCTION_NAME);
4390 //JMutexAutoLock lock(m_con_mutex);
4391 core::map<u16, RemoteClient*>::Node *n;
4392 n = m_clients.find(peer_id);
4393 // A client should exist for all peers
4395 return n->getValue();
4398 std::wstring Server::getStatusString()
4400 std::wostringstream os(std::ios_base::binary);
4403 os<<L"version="<<narrow_to_wide(VERSION_STRING);
4405 os<<L", uptime="<<m_uptime.get();
4406 // Information about clients
4408 for(core::map<u16, RemoteClient*>::Iterator
4409 i = m_clients.getIterator();
4410 i.atEnd() == false; i++)
4412 // Get client and check that it is valid
4413 RemoteClient *client = i.getNode()->getValue();
4414 assert(client->peer_id == i.getNode()->getKey());
4415 if(client->serialization_version == SER_FMT_VER_INVALID)
4418 Player *player = m_env->getPlayer(client->peer_id);
4419 // Get name of player
4420 std::wstring name = L"unknown";
4422 name = narrow_to_wide(player->getName());
4423 // Add name to information string
4427 if(((ServerMap*)(&m_env->getMap()))->isSavingEnabled() == false)
4428 os<<std::endl<<L"# Server: "<<" WARNING: Map saving is disabled.";
4429 if(g_settings->get("motd") != "")
4430 os<<std::endl<<L"# Server: "<<narrow_to_wide(g_settings->get("motd"));
4434 // Saves g_settings to configpath given at initialization
4435 void Server::saveConfig()
4437 if(m_configpath != "")
4438 g_settings->updateConfigFile(m_configpath.c_str());
4441 void Server::notifyPlayer(const char *name, const std::wstring msg)
4443 Player *player = m_env->getPlayer(name);
4446 SendChatMessage(player->peer_id, std::wstring(L"Server: -!- ")+msg);
4449 void Server::notifyPlayers(const std::wstring msg)
4451 BroadcastChatMessage(msg);
4454 // IGameDef interface
4456 IToolDefManager* Server::getToolDefManager()
4460 INodeDefManager* Server::getNodeDefManager()
4464 ICraftDefManager* Server::getCraftDefManager()
4468 ITextureSource* Server::getTextureSource()
4472 u16 Server::allocateUnknownNodeId(const std::string &name)
4474 return m_nodedef->allocateDummy(name);
4477 IWritableToolDefManager* Server::getWritableToolDefManager()
4481 IWritableNodeDefManager* Server::getWritableNodeDefManager()
4485 IWritableCraftDefManager* Server::getWritableCraftDefManager()
4490 v3f findSpawnPos(ServerMap &map)
4492 //return v3f(50,50,50)*BS;
4497 nodepos = v2s16(0,0);
4502 // Try to find a good place a few times
4503 for(s32 i=0; i<1000; i++)
4506 // We're going to try to throw the player to this position
4507 v2s16 nodepos2d = v2s16(-range + (myrand()%(range*2)),
4508 -range + (myrand()%(range*2)));
4509 //v2s16 sectorpos = getNodeSectorPos(nodepos2d);
4510 // Get ground height at point (fallbacks to heightmap function)
4511 s16 groundheight = map.findGroundLevel(nodepos2d);
4512 // Don't go underwater
4513 if(groundheight < WATER_LEVEL)
4515 //infostream<<"-> Underwater"<<std::endl;
4518 // Don't go to high places
4519 if(groundheight > WATER_LEVEL + 4)
4521 //infostream<<"-> Underwater"<<std::endl;
4525 nodepos = v3s16(nodepos2d.X, groundheight-2, nodepos2d.Y);
4526 bool is_good = false;
4528 for(s32 i=0; i<10; i++){
4529 v3s16 blockpos = getNodeBlockPos(nodepos);
4530 map.emergeBlock(blockpos, true);
4531 MapNode n = map.getNodeNoEx(nodepos);
4532 if(n.getContent() == CONTENT_AIR){
4543 // Found a good place
4544 //infostream<<"Searched through "<<i<<" places."<<std::endl;
4550 return intToFloat(nodepos, BS);
4553 Player *Server::emergePlayer(const char *name, const char *password, u16 peer_id)
4556 Try to get an existing player
4558 Player *player = m_env->getPlayer(name);
4561 // If player is already connected, cancel
4562 if(player->peer_id != 0)
4564 infostream<<"emergePlayer(): Player already connected"<<std::endl;
4569 player->peer_id = peer_id;
4571 // Reset inventory to creative if in creative mode
4572 if(g_settings->getBool("creative_mode"))
4574 // Warning: double code below
4575 // Backup actual inventory
4576 player->inventory_backup = new Inventory();
4577 *(player->inventory_backup) = player->inventory;
4578 // Set creative inventory
4579 craft_set_creative_inventory(player, this);
4586 If player with the wanted peer_id already exists, cancel.
4588 if(m_env->getPlayer(peer_id) != NULL)
4590 infostream<<"emergePlayer(): Player with wrong name but same"
4591 " peer_id already exists"<<std::endl;
4599 // Add authentication stuff
4600 m_authmanager.add(name);
4601 m_authmanager.setPassword(name, password);
4602 m_authmanager.setPrivs(name,
4603 stringToPrivs(g_settings->get("default_privs")));
4609 infostream<<"Server: Finding spawn place for player \""
4610 <<name<<"\""<<std::endl;
4612 v3f pos = findSpawnPos(m_env->getServerMap());
4614 player = new ServerRemotePlayer(m_env, pos, peer_id, name);
4617 Add player to environment
4620 m_env->addPlayer(player);
4623 Add stuff to inventory
4626 if(g_settings->getBool("creative_mode"))
4628 // Warning: double code above
4629 // Backup actual inventory
4630 player->inventory_backup = new Inventory();
4631 *(player->inventory_backup) = player->inventory;
4632 // Set creative inventory
4633 craft_set_creative_inventory(player, this);
4635 else if(g_settings->getBool("give_initial_stuff"))
4637 craft_give_initial_stuff(player, this);
4642 } // create new player
4645 void Server::handlePeerChange(PeerChange &c)
4647 JMutexAutoLock envlock(m_env_mutex);
4648 JMutexAutoLock conlock(m_con_mutex);
4650 if(c.type == PEER_ADDED)
4657 core::map<u16, RemoteClient*>::Node *n;
4658 n = m_clients.find(c.peer_id);
4659 // The client shouldn't already exist
4663 RemoteClient *client = new RemoteClient();
4664 client->peer_id = c.peer_id;
4665 m_clients.insert(client->peer_id, client);
4668 else if(c.type == PEER_REMOVED)
4675 core::map<u16, RemoteClient*>::Node *n;
4676 n = m_clients.find(c.peer_id);
4677 // The client should exist
4681 Mark objects to be not known by the client
4683 RemoteClient *client = n->getValue();
4685 for(core::map<u16, bool>::Iterator
4686 i = client->m_known_objects.getIterator();
4687 i.atEnd()==false; i++)
4690 u16 id = i.getNode()->getKey();
4691 ServerActiveObject* obj = m_env->getActiveObject(id);
4693 if(obj && obj->m_known_by_count > 0)
4694 obj->m_known_by_count--;
4697 // Collect information about leaving in chat
4698 std::wstring message;
4700 Player *player = m_env->getPlayer(c.peer_id);
4703 std::wstring name = narrow_to_wide(player->getName());
4706 message += L" left game";
4708 message += L" (timed out)";
4714 m_env->removePlayer(c.peer_id);
4717 // Set player client disconnected
4719 Player *player = m_env->getPlayer(c.peer_id);
4721 player->peer_id = 0;
4728 std::ostringstream os(std::ios_base::binary);
4729 for(core::map<u16, RemoteClient*>::Iterator
4730 i = m_clients.getIterator();
4731 i.atEnd() == false; i++)
4733 RemoteClient *client = i.getNode()->getValue();
4734 assert(client->peer_id == i.getNode()->getKey());
4735 if(client->serialization_version == SER_FMT_VER_INVALID)
4738 Player *player = m_env->getPlayer(client->peer_id);
4741 // Get name of player
4742 os<<player->getName()<<" ";
4745 actionstream<<player->getName()<<" "
4746 <<(c.timeout?"times out.":"leaves game.")
4747 <<" List of players: "
4748 <<os.str()<<std::endl;
4753 delete m_clients[c.peer_id];
4754 m_clients.remove(c.peer_id);
4756 // Send player info to all remaining clients
4759 // Send leave chat message to all remaining clients
4760 BroadcastChatMessage(message);
4769 void Server::handlePeerChanges()
4771 while(m_peer_change_queue.size() > 0)
4773 PeerChange c = m_peer_change_queue.pop_front();
4775 infostream<<"Server: Handling peer change: "
4776 <<"id="<<c.peer_id<<", timeout="<<c.timeout
4779 handlePeerChange(c);
4783 u64 Server::getPlayerPrivs(Player *player)
4787 std::string playername = player->getName();
4788 // Local player gets all privileges regardless of
4789 // what's set on their account.
4790 if(g_settings->get("name") == playername)
4796 return getPlayerAuthPrivs(playername);
4800 void dedicated_server_loop(Server &server, bool &kill)
4802 DSTACK(__FUNCTION_NAME);
4804 infostream<<DTIME<<std::endl;
4805 infostream<<"========================"<<std::endl;
4806 infostream<<"Running dedicated server"<<std::endl;
4807 infostream<<"========================"<<std::endl;
4808 infostream<<std::endl;
4810 IntervalLimiter m_profiler_interval;
4814 // This is kind of a hack but can be done like this
4815 // because server.step() is very light
4817 ScopeProfiler sp(g_profiler, "dedicated server sleep");
4822 if(server.getShutdownRequested() || kill)
4824 infostream<<DTIME<<" dedicated_server_loop(): Quitting."<<std::endl;
4831 float profiler_print_interval =
4832 g_settings->getFloat("profiler_print_interval");
4833 if(profiler_print_interval != 0)
4835 if(m_profiler_interval.step(0.030, profiler_print_interval))
4837 infostream<<"Profiler:"<<std::endl;
4838 g_profiler->print(infostream);
4839 g_profiler->clear();
4846 static int counter = 0;
4852 core::list<PlayerInfo> list = server.getPlayerInfo();
4853 core::list<PlayerInfo>::Iterator i;
4854 static u32 sum_old = 0;
4855 u32 sum = PIChecksum(list);
4858 infostream<<DTIME<<"Player info:"<<std::endl;
4859 for(i=list.begin(); i!=list.end(); i++)
4861 i->PrintLine(&infostream);