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- /*
- Minetest
- Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU Lesser General Public License for more details.
- You should have received a copy of the GNU Lesser General Public License along
- with this program; if not, write to the Free Software Foundation, Inc.,
- 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
- #include "server.h"
- #include <iostream>
- #include <queue>
- #include <algorithm>
- #include "clientserver.h"
- #include "ban.h"
- #include "environment.h"
- #include "map.h"
- #include "jthread/jmutexautolock.h"
- #include "main.h"
- #include "constants.h"
- #include "voxel.h"
- #include "config.h"
- #include "version.h"
- #include "filesys.h"
- #include "mapblock.h"
- #include "serverobject.h"
- #include "genericobject.h"
- #include "settings.h"
- #include "profiler.h"
- #include "log.h"
- #include "scripting_game.h"
- #include "nodedef.h"
- #include "itemdef.h"
- #include "craftdef.h"
- #include "emerge.h"
- #include "mapgen.h"
- #include "biome.h"
- #include "content_mapnode.h"
- #include "content_nodemeta.h"
- #include "content_abm.h"
- #include "content_sao.h"
- #include "mods.h"
- #include "sha1.h"
- #include "base64.h"
- #include "tool.h"
- #include "sound.h" // dummySoundManager
- #include "event_manager.h"
- #include "hex.h"
- #include "serverlist.h"
- #include "util/string.h"
- #include "util/pointedthing.h"
- #include "util/mathconstants.h"
- #include "rollback.h"
- #include "util/serialize.h"
- #include "util/thread.h"
- #include "defaultsettings.h"
- class ClientNotFoundException : public BaseException
- {
- public:
- ClientNotFoundException(const char *s):
- BaseException(s)
- {}
- };
- class ServerThread : public JThread
- {
- Server *m_server;
- public:
- ServerThread(Server *server):
- JThread(),
- m_server(server)
- {
- }
- void * Thread();
- };
- void * ServerThread::Thread()
- {
- log_register_thread("ServerThread");
- DSTACK(__FUNCTION_NAME);
- BEGIN_DEBUG_EXCEPTION_HANDLER
- m_server->AsyncRunStep(true);
- ThreadStarted();
- porting::setThreadName("ServerThread");
- while(!StopRequested())
- {
- try{
- //TimeTaker timer("AsyncRunStep() + Receive()");
- m_server->AsyncRunStep();
- m_server->Receive();
- }
- catch(con::NoIncomingDataException &e)
- {
- }
- catch(con::PeerNotFoundException &e)
- {
- infostream<<"Server: PeerNotFoundException"<<std::endl;
- }
- catch(ClientNotFoundException &e)
- {
- }
- catch(con::ConnectionBindFailed &e)
- {
- m_server->setAsyncFatalError(e.what());
- }
- catch(LuaError &e)
- {
- m_server->setAsyncFatalError(e.what());
- }
- }
- END_DEBUG_EXCEPTION_HANDLER(errorstream)
- return NULL;
- }
- v3f ServerSoundParams::getPos(ServerEnvironment *env, bool *pos_exists) const
- {
- if(pos_exists) *pos_exists = false;
- switch(type){
- case SSP_LOCAL:
- return v3f(0,0,0);
- case SSP_POSITIONAL:
- if(pos_exists) *pos_exists = true;
- return pos;
- case SSP_OBJECT: {
- if(object == 0)
- return v3f(0,0,0);
- ServerActiveObject *sao = env->getActiveObject(object);
- if(!sao)
- return v3f(0,0,0);
- if(pos_exists) *pos_exists = true;
- return sao->getBasePosition(); }
- }
- return v3f(0,0,0);
- }
- /*
- Server
- */
- Server::Server(
- const std::string &path_world,
- const SubgameSpec &gamespec,
- bool simple_singleplayer_mode,
- bool ipv6
- ):
- m_path_world(path_world),
- m_gamespec(gamespec),
- m_simple_singleplayer_mode(simple_singleplayer_mode),
- m_async_fatal_error(""),
- m_env(NULL),
- m_con(PROTOCOL_ID,
- 512,
- CONNECTION_TIMEOUT,
- ipv6,
- this),
- m_banmanager(NULL),
- m_rollback(NULL),
- m_rollback_sink_enabled(true),
- m_enable_rollback_recording(false),
- m_emerge(NULL),
- m_script(NULL),
- m_itemdef(createItemDefManager()),
- m_nodedef(createNodeDefManager()),
- m_craftdef(createCraftDefManager()),
- m_event(new EventManager()),
- m_thread(NULL),
- m_time_of_day_send_timer(0),
- m_uptime(0),
- m_clients(&m_con),
- m_shutdown_requested(false),
- m_ignore_map_edit_events(false),
- m_ignore_map_edit_events_peer_id(0)
- {
- m_liquid_transform_timer = 0.0;
- m_liquid_transform_every = 1.0;
- m_print_info_timer = 0.0;
- m_masterserver_timer = 0.0;
- m_objectdata_timer = 0.0;
- m_emergethread_trigger_timer = 0.0;
- m_savemap_timer = 0.0;
- m_step_dtime = 0.0;
- m_lag = g_settings->getFloat("dedicated_server_step");
- if(path_world == "")
- throw ServerError("Supplied empty world path");
- if(!gamespec.isValid())
- throw ServerError("Supplied invalid gamespec");
- infostream<<"Server created for gameid \""<<m_gamespec.id<<"\"";
- if(m_simple_singleplayer_mode)
- infostream<<" in simple singleplayer mode"<<std::endl;
- else
- infostream<<std::endl;
- infostream<<"- world: "<<m_path_world<<std::endl;
- infostream<<"- game: "<<m_gamespec.path<<std::endl;
- // Initialize default settings and override defaults with those provided
- // by the game
- set_default_settings(g_settings);
- Settings gamedefaults;
- getGameMinetestConfig(gamespec.path, gamedefaults);
- override_default_settings(g_settings, &gamedefaults);
- // Create server thread
- m_thread = new ServerThread(this);
- // Create emerge manager
- m_emerge = new EmergeManager(this);
- // Create world if it doesn't exist
- if(!initializeWorld(m_path_world, m_gamespec.id))
- throw ServerError("Failed to initialize world");
- // Create ban manager
- std::string ban_path = m_path_world+DIR_DELIM+"ipban.txt";
- m_banmanager = new BanManager(ban_path);
- // Create rollback manager
- std::string rollback_path = m_path_world+DIR_DELIM+"rollback.txt";
- m_rollback = createRollbackManager(rollback_path, this);
- ModConfiguration modconf(m_path_world);
- m_mods = modconf.getMods();
- std::vector<ModSpec> unsatisfied_mods = modconf.getUnsatisfiedMods();
- // complain about mods with unsatisfied dependencies
- if(!modconf.isConsistent())
- {
- for(std::vector<ModSpec>::iterator it = unsatisfied_mods.begin();
- it != unsatisfied_mods.end(); ++it)
- {
- ModSpec mod = *it;
- errorstream << "mod \"" << mod.name << "\" has unsatisfied dependencies: ";
- for(std::set<std::string>::iterator dep_it = mod.unsatisfied_depends.begin();
- dep_it != mod.unsatisfied_depends.end(); ++dep_it)
- errorstream << " \"" << *dep_it << "\"";
- errorstream << std::endl;
- }
- }
- Settings worldmt_settings;
- std::string worldmt = m_path_world + DIR_DELIM + "world.mt";
- worldmt_settings.readConfigFile(worldmt.c_str());
- std::vector<std::string> names = worldmt_settings.getNames();
- std::set<std::string> load_mod_names;
- for(std::vector<std::string>::iterator it = names.begin();
- it != names.end(); ++it)
- {
- std::string name = *it;
- if(name.compare(0,9,"load_mod_")==0 && worldmt_settings.getBool(name))
- load_mod_names.insert(name.substr(9));
- }
- // complain about mods declared to be loaded, but not found
- for(std::vector<ModSpec>::iterator it = m_mods.begin();
- it != m_mods.end(); ++it)
- load_mod_names.erase((*it).name);
- for(std::vector<ModSpec>::iterator it = unsatisfied_mods.begin();
- it != unsatisfied_mods.end(); ++it)
- load_mod_names.erase((*it).name);
- if(!load_mod_names.empty())
- {
- errorstream << "The following mods could not be found:";
- for(std::set<std::string>::iterator it = load_mod_names.begin();
- it != load_mod_names.end(); ++it)
- errorstream << " \"" << (*it) << "\"";
- errorstream << std::endl;
- }
- // Lock environment
- JMutexAutoLock envlock(m_env_mutex);
- // Initialize scripting
- infostream<<"Server: Initializing Lua"<<std::endl;
- m_script = new GameScripting(this);
- std::string scriptpath = getBuiltinLuaPath() + DIR_DELIM "init.lua";
- if (!m_script->loadScript(scriptpath)) {
- throw ModError("Failed to load and run " + scriptpath);
- }
- // Print 'em
- infostream<<"Server: Loading mods: ";
- for(std::vector<ModSpec>::iterator i = m_mods.begin();
- i != m_mods.end(); i++){
- const ModSpec &mod = *i;
- infostream<<mod.name<<" ";
- }
- infostream<<std::endl;
- // Load and run "mod" scripts
- for(std::vector<ModSpec>::iterator i = m_mods.begin();
- i != m_mods.end(); i++){
- const ModSpec &mod = *i;
- std::string scriptpath = mod.path + DIR_DELIM + "init.lua";
- infostream<<" ["<<padStringRight(mod.name, 12)<<"] [\""
- <<scriptpath<<"\"]"<<std::endl;
- bool success = m_script->loadMod(scriptpath, mod.name);
- if(!success){
- errorstream<<"Server: Failed to load and run "
- <<scriptpath<<std::endl;
- throw ModError("Failed to load and run "+scriptpath);
- }
- }
- // Read Textures and calculate sha1 sums
- fillMediaCache();
- // Apply item aliases in the node definition manager
- m_nodedef->updateAliases(m_itemdef);
- // Load the mapgen params from global settings now after any
- // initial overrides have been set by the mods
- m_emerge->loadMapgenParams();
- // Initialize Environment
- ServerMap *servermap = new ServerMap(path_world, this, m_emerge);
- m_env = new ServerEnvironment(servermap, m_script, this, m_path_world);
- m_clients.setEnv(m_env);
- // Run some callbacks after the MG params have been set up but before activation
- m_script->environment_OnMapgenInit(&m_emerge->params);
- // Initialize mapgens
- m_emerge->initMapgens();
- // Give environment reference to scripting api
- m_script->initializeEnvironment(m_env);
- // Register us to receive map edit events
- servermap->addEventReceiver(this);
- // If file exists, load environment metadata
- if(fs::PathExists(m_path_world + DIR_DELIM "env_meta.txt"))
- {
- infostream<<"Server: Loading environment metadata"<<std::endl;
- m_env->loadMeta();
- }
- // Add some test ActiveBlockModifiers to environment
- add_legacy_abms(m_env, m_nodedef);
- m_liquid_transform_every = g_settings->getFloat("liquid_update");
- }
- Server::~Server()
- {
- infostream<<"Server destructing"<<std::endl;
- // Send shutdown message
- SendChatMessage(PEER_ID_INEXISTENT, L"*** Server shutting down");
- {
- JMutexAutoLock envlock(m_env_mutex);
- // Execute script shutdown hooks
- m_script->on_shutdown();
- infostream<<"Server: Saving players"<<std::endl;
- m_env->saveLoadedPlayers();
- infostream<<"Server: Saving environment metadata"<<std::endl;
- m_env->saveMeta();
- }
- // Stop threads
- stop();
- delete m_thread;
- // stop all emerge threads before deleting players that may have
- // requested blocks to be emerged
- m_emerge->stopThreads();
- // Delete things in the reverse order of creation
- delete m_env;
- // N.B. the EmergeManager should be deleted after the Environment since Map
- // depends on EmergeManager to write its current params to the map meta
- delete m_emerge;
- delete m_rollback;
- delete m_banmanager;
- delete m_event;
- delete m_itemdef;
- delete m_nodedef;
- delete m_craftdef;
- // Deinitialize scripting
- infostream<<"Server: Deinitializing scripting"<<std::endl;
- delete m_script;
- // Delete detached inventories
- for (std::map<std::string, Inventory*>::iterator
- i = m_detached_inventories.begin();
- i != m_detached_inventories.end(); i++) {
- delete i->second;
- }
- }
- void Server::start(Address bind_addr)
- {
- DSTACK(__FUNCTION_NAME);
- infostream<<"Starting server on "
- << bind_addr.serializeString() <<"..."<<std::endl;
- // Stop thread if already running
- m_thread->Stop();
- // Initialize connection
- m_con.SetTimeoutMs(30);
- m_con.Serve(bind_addr);
- // Start thread
- m_thread->Start();
- // ASCII art for the win!
- actionstream
- <<" .__ __ __ "<<std::endl
- <<" _____ |__| ____ _____/ |_ ____ _______/ |_ "<<std::endl
- <<" / \\| |/ \\_/ __ \\ __\\/ __ \\ / ___/\\ __\\"<<std::endl
- <<"| Y Y \\ | | \\ ___/| | \\ ___/ \\___ \\ | | "<<std::endl
- <<"|__|_| /__|___| /\\___ >__| \\___ >____ > |__| "<<std::endl
- <<" \\/ \\/ \\/ \\/ \\/ "<<std::endl;
- actionstream<<"World at ["<<m_path_world<<"]"<<std::endl;
- actionstream<<"Server for gameid=\""<<m_gamespec.id
- <<"\" listening on "<<bind_addr.serializeString()<<":"
- <<bind_addr.getPort() << "."<<std::endl;
- }
- void Server::stop()
- {
- DSTACK(__FUNCTION_NAME);
- infostream<<"Server: Stopping and waiting threads"<<std::endl;
- // Stop threads (set run=false first so both start stopping)
- m_thread->Stop();
- //m_emergethread.setRun(false);
- m_thread->Wait();
- //m_emergethread.stop();
- infostream<<"Server: Threads stopped"<<std::endl;
- }
- void Server::step(float dtime)
- {
- DSTACK(__FUNCTION_NAME);
- // Limit a bit
- if(dtime > 2.0)
- dtime = 2.0;
- {
- JMutexAutoLock lock(m_step_dtime_mutex);
- m_step_dtime += dtime;
- }
- // Throw if fatal error occurred in thread
- std::string async_err = m_async_fatal_error.get();
- if(async_err != ""){
- throw ServerError(async_err);
- }
- }
- void Server::AsyncRunStep(bool initial_step)
- {
- DSTACK(__FUNCTION_NAME);
- g_profiler->add("Server::AsyncRunStep (num)", 1);
- float dtime;
- {
- JMutexAutoLock lock1(m_step_dtime_mutex);
- dtime = m_step_dtime;
- }
- {
- // Send blocks to clients
- SendBlocks(dtime);
- }
- if((dtime < 0.001) && (initial_step == false))
- return;
- g_profiler->add("Server::AsyncRunStep with dtime (num)", 1);
- //infostream<<"Server steps "<<dtime<<std::endl;
- //infostream<<"Server::AsyncRunStep(): dtime="<<dtime<<std::endl;
- {
- JMutexAutoLock lock1(m_step_dtime_mutex);
- m_step_dtime -= dtime;
- }
- /*
- Update uptime
- */
- {
- m_uptime.set(m_uptime.get() + dtime);
- }
- handlePeerChanges();
- /*
- Update time of day and overall game time
- */
- {
- JMutexAutoLock envlock(m_env_mutex);
- m_env->setTimeOfDaySpeed(g_settings->getFloat("time_speed"));
- /*
- Send to clients at constant intervals
- */
- m_time_of_day_send_timer -= dtime;
- if(m_time_of_day_send_timer < 0.0)
- {
- m_time_of_day_send_timer = g_settings->getFloat("time_send_interval");
- u16 time = m_env->getTimeOfDay();
- float time_speed = g_settings->getFloat("time_speed");
- SendTimeOfDay(PEER_ID_INEXISTENT, time, time_speed);
- }
- }
- {
- JMutexAutoLock lock(m_env_mutex);
- // Figure out and report maximum lag to environment
- float max_lag = m_env->getMaxLagEstimate();
- max_lag *= 0.9998; // Decrease slowly (about half per 5 minutes)
- if(dtime > max_lag){
- if(dtime > 0.1 && dtime > max_lag * 2.0)
- infostream<<"Server: Maximum lag peaked to "<<dtime
- <<" s"<<std::endl;
- max_lag = dtime;
- }
- m_env->reportMaxLagEstimate(max_lag);
- // Step environment
- ScopeProfiler sp(g_profiler, "SEnv step");
- ScopeProfiler sp2(g_profiler, "SEnv step avg", SPT_AVG);
- m_env->step(dtime);
- }
- const float map_timer_and_unload_dtime = 2.92;
- if(m_map_timer_and_unload_interval.step(dtime, map_timer_and_unload_dtime))
- {
- JMutexAutoLock lock(m_env_mutex);
- // Run Map's timers and unload unused data
- ScopeProfiler sp(g_profiler, "Server: map timer and unload");
- m_env->getMap().timerUpdate(map_timer_and_unload_dtime,
- g_settings->getFloat("server_unload_unused_data_timeout"));
- }
- /*
- Do background stuff
- */
- /*
- Handle players
- */
- {
- JMutexAutoLock lock(m_env_mutex);
- std::list<u16> clientids = m_clients.getClientIDs();
- ScopeProfiler sp(g_profiler, "Server: handle players");
- for(std::list<u16>::iterator
- i = clientids.begin();
- i != clientids.end(); ++i)
- {
- PlayerSAO *playersao = getPlayerSAO(*i);
- if(playersao == NULL)
- continue;
- /*
- Handle player HPs (die if hp=0)
- */
- if(playersao->m_hp_not_sent && g_settings->getBool("enable_damage"))
- {
- if(playersao->getHP() == 0)
- DiePlayer(*i);
- else
- SendPlayerHP(*i);
- }
- /*
- Send player breath if changed
- */
- if(playersao->m_breath_not_sent) {
- SendPlayerBreath(*i);
- }
- /*
- Send player inventories if necessary
- */
- if(playersao->m_moved){
- SendMovePlayer(*i);
- playersao->m_moved = false;
- }
- if(playersao->m_inventory_not_sent){
- UpdateCrafting(*i);
- SendInventory(*i);
- }
- }
- }
- /* Transform liquids */
- m_liquid_transform_timer += dtime;
- if(m_liquid_transform_timer >= m_liquid_transform_every)
- {
- m_liquid_transform_timer -= m_liquid_transform_every;
- JMutexAutoLock lock(m_env_mutex);
- ScopeProfiler sp(g_profiler, "Server: liquid transform");
- std::map<v3s16, MapBlock*> modified_blocks;
- m_env->getMap().transformLiquids(modified_blocks);
- #if 0
- /*
- Update lighting
- */
- core::map<v3s16, MapBlock*> lighting_modified_blocks;
- ServerMap &map = ((ServerMap&)m_env->getMap());
- map.updateLighting(modified_blocks, lighting_modified_blocks);
- // Add blocks modified by lighting to modified_blocks
- for(core::map<v3s16, MapBlock*>::Iterator
- i = lighting_modified_blocks.getIterator();
- i.atEnd() == false; i++)
- {
- MapBlock *block = i.getNode()->getValue();
- modified_blocks.insert(block->getPos(), block);
- }
- #endif
- /*
- Set the modified blocks unsent for all the clients
- */
- if(modified_blocks.size() > 0)
- {
- SetBlocksNotSent(modified_blocks);
- }
- }
- m_clients.step(dtime);
- m_lag += (m_lag > dtime ? -1 : 1) * dtime/100;
- #if USE_CURL
- // send masterserver announce
- {
- float &counter = m_masterserver_timer;
- if(!isSingleplayer() && (!counter || counter >= 300.0) &&
- g_settings->getBool("server_announce"))
- {
- ServerList::sendAnnounce(counter ? "update" : "start",
- m_clients.getPlayerNames(),
- m_uptime.get(),
- m_env->getGameTime(),
- m_lag,
- m_gamespec.id,
- m_mods);
- counter = 0.01;
- }
- counter += dtime;
- }
- #endif
- /*
- Check added and deleted active objects
- */
- {
- //infostream<<"Server: Checking added and deleted active objects"<<std::endl;
- JMutexAutoLock envlock(m_env_mutex);
- m_clients.Lock();
- std::map<u16, RemoteClient*> clients = m_clients.getClientList();
- ScopeProfiler sp(g_profiler, "Server: checking added and deleted objs");
- // Radius inside which objects are active
- s16 radius = g_settings->getS16("active_object_send_range_blocks");
- radius *= MAP_BLOCKSIZE;
- for(std::map<u16, RemoteClient*>::iterator
- i = clients.begin();
- i != clients.end(); ++i)
- {
- RemoteClient *client = i->second;
- // If definitions and textures have not been sent, don't
- // send objects either
- if (client->getState() < CS_DefinitionsSent)
- continue;
- Player *player = m_env->getPlayer(client->peer_id);
- if(player==NULL)
- {
- // This can happen if the client timeouts somehow
- /*infostream<<"WARNING: "<<__FUNCTION_NAME<<": Client "
- <<client->peer_id
- <<" has no associated player"<<std::endl;*/
- continue;
- }
- v3s16 pos = floatToInt(player->getPosition(), BS);
- std::set<u16> removed_objects;
- std::set<u16> added_objects;
- m_env->getRemovedActiveObjects(pos, radius,
- client->m_known_objects, removed_objects);
- m_env->getAddedActiveObjects(pos, radius,
- client->m_known_objects, added_objects);
- // Ignore if nothing happened
- if(removed_objects.size() == 0 && added_objects.size() == 0)
- {
- //infostream<<"active objects: none changed"<<std::endl;
- continue;
- }
- std::string data_buffer;
- char buf[4];
- // Handle removed objects
- writeU16((u8*)buf, removed_objects.size());
- data_buffer.append(buf, 2);
- for(std::set<u16>::iterator
- i = removed_objects.begin();
- i != removed_objects.end(); ++i)
- {
- // Get object
- u16 id = *i;
- ServerActiveObject* obj = m_env->getActiveObject(id);
- // Add to data buffer for sending
- writeU16((u8*)buf, id);
- data_buffer.append(buf, 2);
- // Remove from known objects
- client->m_known_objects.erase(id);
- if(obj && obj->m_known_by_count > 0)
- obj->m_known_by_count--;
- }
- // Handle added objects
- writeU16((u8*)buf, added_objects.size());
- data_buffer.append(buf, 2);
- for(std::set<u16>::iterator
- i = added_objects.begin();
- i != added_objects.end(); ++i)
- {
- // Get object
- u16 id = *i;
- ServerActiveObject* obj = m_env->getActiveObject(id);
- // Get object type
- u8 type = ACTIVEOBJECT_TYPE_INVALID;
- if(obj == NULL)
- infostream<<"WARNING: "<<__FUNCTION_NAME
- <<": NULL object"<<std::endl;
- else
- type = obj->getSendType();
- // Add to data buffer for sending
- writeU16((u8*)buf, id);
- data_buffer.append(buf, 2);
- writeU8((u8*)buf, type);
- data_buffer.append(buf, 1);
- if(obj)
- data_buffer.append(serializeLongString(
- obj->getClientInitializationData(client->net_proto_version)));
- else
- data_buffer.append(serializeLongString(""));
- // Add to known objects
- client->m_known_objects.insert(id);
- if(obj)
- obj->m_known_by_count++;
- }
- // Send packet
- SharedBuffer<u8> reply(2 + data_buffer.size());
- writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_REMOVE_ADD);
- memcpy((char*)&reply[2], data_buffer.c_str(),
- data_buffer.size());
- // Send as reliable
- m_clients.send(client->peer_id, 0, reply, true);
- verbosestream<<"Server: Sent object remove/add: "
- <<removed_objects.size()<<" removed, "
- <<added_objects.size()<<" added, "
- <<"packet size is "<<reply.getSize()<<std::endl;
- }
- m_clients.Unlock();
- #if 0
- /*
- Collect a list of all the objects known by the clients
- and report it back to the environment.
- */
- core::map<u16, bool> all_known_objects;
- for(core::map<u16, RemoteClient*>::Iterator
- i = m_clients.getIterator();
- i.atEnd() == false; i++)
- {
- RemoteClient *client = i.getNode()->getValue();
- // Go through all known objects of client
- for(core::map<u16, bool>::Iterator
- i = client->m_known_objects.getIterator();
- i.atEnd()==false; i++)
- {
- u16 id = i.getNode()->getKey();
- all_known_objects[id] = true;
- }
- }
- m_env->setKnownActiveObjects(whatever);
- #endif
- }
- /*
- Send object messages
- */
- {
- JMutexAutoLock envlock(m_env_mutex);
- ScopeProfiler sp(g_profiler, "Server: sending object messages");
- // Key = object id
- // Value = data sent by object
- std::map<u16, std::list<ActiveObjectMessage>* > buffered_messages;
- // Get active object messages from environment
- for(;;)
- {
- ActiveObjectMessage aom = m_env->getActiveObjectMessage();
- if(aom.id == 0)
- break;
- std::list<ActiveObjectMessage>* message_list = NULL;
- std::map<u16, std::list<ActiveObjectMessage>* >::iterator n;
- n = buffered_messages.find(aom.id);
- if(n == buffered_messages.end())
- {
- message_list = new std::list<ActiveObjectMessage>;
- buffered_messages[aom.id] = message_list;
- }
- else
- {
- message_list = n->second;
- }
- message_list->push_back(aom);
- }
- m_clients.Lock();
- std::map<u16, RemoteClient*> clients = m_clients.getClientList();
- // Route data to every client
- for(std::map<u16, RemoteClient*>::iterator
- i = clients.begin();
- i != clients.end(); ++i)
- {
- RemoteClient *client = i->second;
- std::string reliable_data;
- std::string unreliable_data;
- // Go through all objects in message buffer
- for(std::map<u16, std::list<ActiveObjectMessage>* >::iterator
- j = buffered_messages.begin();
- j != buffered_messages.end(); ++j)
- {
- // If object is not known by client, skip it
- u16 id = j->first;
- if(client->m_known_objects.find(id) == client->m_known_objects.end())
- continue;
- // Get message list of object
- std::list<ActiveObjectMessage>* list = j->second;
- // Go through every message
- for(std::list<ActiveObjectMessage>::iterator
- k = list->begin(); k != list->end(); ++k)
- {
- // Compose the full new data with header
- ActiveObjectMessage aom = *k;
- std::string new_data;
- // Add object id
- char buf[2];
- writeU16((u8*)&buf[0], aom.id);
- new_data.append(buf, 2);
- // Add data
- new_data += serializeString(aom.datastring);
- // Add data to buffer
- if(aom.reliable)
- reliable_data += new_data;
- else
- unreliable_data += new_data;
- }
- }
- /*
- reliable_data and unreliable_data are now ready.
- Send them.
- */
- if(reliable_data.size() > 0)
- {
- SharedBuffer<u8> reply(2 + reliable_data.size());
- writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_MESSAGES);
- memcpy((char*)&reply[2], reliable_data.c_str(),
- reliable_data.size());
- // Send as reliable
- m_clients.send(client->peer_id, 0, reply, true);
- }
- if(unreliable_data.size() > 0)
- {
- SharedBuffer<u8> reply(2 + unreliable_data.size());
- writeU16(&reply[0], TOCLIENT_ACTIVE_OBJECT_MESSAGES);
- memcpy((char*)&reply[2], unreliable_data.c_str(),
- unreliable_data.size());
- // Send as unreliable
- m_clients.send(client->peer_id, 1, reply, false);
- }
- /*if(reliable_data.size() > 0 || unreliable_data.size() > 0)
- {
- infostream<<"Server: Size of object message data: "
- <<"reliable: "<<reliable_data.size()
- <<", unreliable: "<<unreliable_data.size()
- <<std::endl;
- }*/
- }
- m_clients.Unlock();
- // Clear buffered_messages
- for(std::map<u16, std::list<ActiveObjectMessage>* >::iterator
- i = buffered_messages.begin();
- i != buffered_messages.end(); ++i)
- {
- delete i->second;
- }
- }
- /*
- Send queued-for-sending map edit events.
- */
- {
- // We will be accessing the environment
- JMutexAutoLock lock(m_env_mutex);
- // Don't send too many at a time
- //u32 count = 0;
- // Single change sending is disabled if queue size is not small
- bool disable_single_change_sending = false;
- if(m_unsent_map_edit_queue.size() >= 4)
- disable_single_change_sending = true;
- int event_count = m_unsent_map_edit_queue.size();
- // We'll log the amount of each
- Profiler prof;
- while(m_unsent_map_edit_queue.size() != 0)
- {
- MapEditEvent* event = m_unsent_map_edit_queue.pop_front();
- // Players far away from the change are stored here.
- // Instead of sending the changes, MapBlocks are set not sent
- // for them.
- std::list<u16> far_players;
- if(event->type == MEET_ADDNODE || event->type == MEET_SWAPNODE)
- {
- //infostream<<"Server: MEET_ADDNODE"<<std::endl;
- prof.add("MEET_ADDNODE", 1);
- if(disable_single_change_sending)
- sendAddNode(event->p, event->n, event->already_known_by_peer,
- &far_players, 5, event->type == MEET_ADDNODE);
- else
- sendAddNode(event->p, event->n, event->already_known_by_peer,
- &far_players, 30, event->type == MEET_ADDNODE);
- }
- else if(event->type == MEET_REMOVENODE)
- {
- //infostream<<"Server: MEET_REMOVENODE"<<std::endl;
- prof.add("MEET_REMOVENODE", 1);
- if(disable_single_change_sending)
- sendRemoveNode(event->p, event->already_known_by_peer,
- &far_players, 5);
- else
- sendRemoveNode(event->p, event->already_known_by_peer,
- &far_players, 30);
- }
- else if(event->type == MEET_BLOCK_NODE_METADATA_CHANGED)
- {
- infostream<<"Server: MEET_BLOCK_NODE_METADATA_CHANGED"<<std::endl;
- prof.add("MEET_BLOCK_NODE_METADATA_CHANGED", 1);
- setBlockNotSent(event->p);
- }
- else if(event->type == MEET_OTHER)
- {
- infostream<<"Server: MEET_OTHER"<<std::endl;
- prof.add("MEET_OTHER", 1);
- for(std::set<v3s16>::iterator
- i = event->modified_blocks.begin();
- i != event->modified_blocks.end(); ++i)
- {
- setBlockNotSent(*i);
- }
- }
- else
- {
- prof.add("unknown", 1);
- infostream<<"WARNING: Server: Unknown MapEditEvent "
- <<((u32)event->type)<<std::endl;
- }
- /*
- Set blocks not sent to far players
- */
- if(far_players.size() > 0)
- {
- // Convert list format to that wanted by SetBlocksNotSent
- std::map<v3s16, MapBlock*> modified_blocks2;
- for(std::set<v3s16>::iterator
- i = event->modified_blocks.begin();
- i != event->modified_blocks.end(); ++i)
- {
- modified_blocks2[*i] =
- m_env->getMap().getBlockNoCreateNoEx(*i);
- }
- // Set blocks not sent
- for(std::list<u16>::iterator
- i = far_players.begin();
- i != far_players.end(); ++i)
- {
- u16 peer_id = *i;
- RemoteClient *client = getClient(peer_id);
- if(client==NULL)
- continue;
- client->SetBlocksNotSent(modified_blocks2);
- }
- }
- delete event;
- /*// Don't send too many at a time
- count++;
- if(count >= 1 && m_unsent_map_edit_queue.size() < 100)
- break;*/
- }
- if(event_count >= 5){
- infostream<<"Server: MapEditEvents:"<<std::endl;
- prof.print(infostream);
- } else if(event_count != 0){
- verbosestream<<"Server: MapEditEvents:"<<std::endl;
- prof.print(verbosestream);
- }
- }
- /*
- Trigger emergethread (it somehow gets to a non-triggered but
- bysy state sometimes)
- */
- {
- float &counter = m_emergethread_trigger_timer;
- counter += dtime;
- if(counter >= 2.0)
- {
- counter = 0.0;
- m_emerge->startThreads();
- // Update m_enable_rollback_recording here too
- m_enable_rollback_recording =
- g_settings->getBool("enable_rollback_recording");
- }
- }
- // Save map, players and auth stuff
- {
- float &counter = m_savemap_timer;
- counter += dtime;
- if(counter >= g_settings->getFloat("server_map_save_interval"))
- {
- counter = 0.0;
- JMutexAutoLock lock(m_env_mutex);
- ScopeProfiler sp(g_profiler, "Server: saving stuff");
- // Save ban file
- if (m_banmanager->isModified()) {
- m_banmanager->save();
- }
- // Save changed parts of map
- m_env->getMap().save(MOD_STATE_WRITE_NEEDED);
- // Save players
- m_env->saveLoadedPlayers();
- // Save environment metadata
- m_env->saveMeta();
- }
- }
- }
- void Server::Receive()
- {
- DSTACK(__FUNCTION_NAME);
- SharedBuffer<u8> data;
- u16 peer_id;
- u32 datasize;
- try{
- datasize = m_con.Receive(peer_id,data);
- ProcessData(*data, datasize, peer_id);
- }
- catch(con::InvalidIncomingDataException &e)
- {
- infostream<<"Server::Receive(): "
- "InvalidIncomingDataException: what()="
- <<e.what()<<std::endl;
- }
- catch(SerializationError &e) {
- infostream<<"Server::Receive(): "
- "SerializationError: what()="
- <<e.what()<<std::endl;
- }
- catch(ClientStateError &e)
- {
- errorstream << "ProcessData: peer=" << peer_id << e.what() << std::endl;
- DenyAccess(peer_id, L"Your client sent something server didn't expect."
- L"Try reconnecting or updating your client");
- }
- catch(con::PeerNotFoundException &e)
- {
- // Do nothing
- }
- }
- PlayerSAO* Server::StageTwoClientInit(u16 peer_id)
- {
- std::string playername = "";
- PlayerSAO *playersao = NULL;
- m_clients.Lock();
- RemoteClient* client = m_clients.lockedGetClientNoEx(peer_id, CS_InitDone);
- if (client != NULL) {
- playername = client->getName();
- playersao = emergePlayer(playername.c_str(), peer_id);
- }
- m_clients.Unlock();
- RemotePlayer *player =
- static_cast<RemotePlayer*>(m_env->getPlayer(playername.c_str()));
- // If failed, cancel
- if((playersao == NULL) || (player == NULL))
- {
- if(player && player->peer_id != 0){
- errorstream<<"Server: "<<playername<<": Failed to emerge player"
- <<" (player allocated to an another client)"<<std::endl;
- DenyAccess(peer_id, L"Another client is connected with this "
- L"name. If your client closed unexpectedly, try again in "
- L"a minute.");
- } else {
- errorstream<<"Server: "<<playername<<": Failed to emerge player"
- <<std::endl;
- DenyAccess(peer_id, L"Could not allocate player.");
- }
- return NULL;
- }
- /*
- Send complete position information
- */
- SendMovePlayer(peer_id);
- // Send privileges
- SendPlayerPrivileges(peer_id);
- // Send inventory formspec
- SendPlayerInventoryFormspec(peer_id);
- // Send inventory
- UpdateCrafting(peer_id);
- SendInventory(peer_id);
- // Send HP
- if(g_settings->getBool("enable_damage"))
- SendPlayerHP(peer_id);
- // Send Breath
- SendPlayerBreath(peer_id);
- // Show death screen if necessary
- if(player->hp == 0)
- SendDeathscreen(peer_id, false, v3f(0,0,0));
- // Note things in chat if not in simple singleplayer mode
- if(!m_simple_singleplayer_mode)
- {
- // Send information about server to player in chat
- SendChatMessage(peer_id, getStatusString());
- // Send information about joining in chat
- {
- std::wstring name = L"unknown";
- Player *player = m_env->getPlayer(peer_id);
- if(player != NULL)
- name = narrow_to_wide(player->getName());
- std::wstring message;
- message += L"*** ";
- message += name;
- message += L" joined the game.";
- SendChatMessage(PEER_ID_INEXISTENT,message);
- }
- }
- Address addr = getPeerAddress(player->peer_id);
- std::string ip_str = addr.serializeString();
- actionstream<<player->getName() <<" [" << ip_str << "] joins game. " << std::endl;
- /*
- Print out action
- */
- {
- std::vector<std::string> names = m_clients.getPlayerNames();
- actionstream<<player->getName() <<" joins game. List of players: ";
- for (std::vector<std::string>::iterator i = names.begin();
- i != names.end(); i++)
- {
- actionstream << *i << " ";
- }
- actionstream << player->getName() <<std::endl;
- }
- return playersao;
- }
- void Server::ProcessData(u8 *data, u32 datasize, u16 peer_id)
- {
- DSTACK(__FUNCTION_NAME);
- // Environment is locked first.
- JMutexAutoLock envlock(m_env_mutex);
- ScopeProfiler sp(g_profiler, "Server::ProcessData");
- std::string addr_s;
- try{
- Address address = getPeerAddress(peer_id);
- addr_s = address.serializeString();
- // drop player if is ip is banned
- if(m_banmanager->isIpBanned(addr_s)){
- std::string ban_name = m_banmanager->getBanName(addr_s);
- infostream<<"Server: A banned client tried to connect from "
- <<addr_s<<"; banned name was "
- <<ban_name<<std::endl;
- // This actually doesn't seem to transfer to the client
- DenyAccess(peer_id, L"Your ip is banned. Banned name was "
- +narrow_to_wide(ban_name));
- return;
- }
- }
- catch(con::PeerNotFoundException &e)
- {
- /*
- * no peer for this packet found
- * most common reason is peer timeout, e.g. peer didn't
- * respond for some time, your server was overloaded or
- * things like that.
- */
- infostream<<"Server::ProcessData(): Cancelling: peer "
- <<peer_id<<" not found"<<std::endl;
- return;
- }
- try
- {
- if(datasize < 2)
- return;
- ToServerCommand command = (ToServerCommand)readU16(&data[0]);
- if(command == TOSERVER_INIT)
- {
- // [0] u16 TOSERVER_INIT
- // [2] u8 SER_FMT_VER_HIGHEST_READ
- // [3] u8[20] player_name
- // [23] u8[28] password <--- can be sent without this, from old versions
- if(datasize < 2+1+PLAYERNAME_SIZE)
- return;
- RemoteClient* client = getClient(peer_id, CS_Created);
- // If net_proto_version is set, this client has already been handled
- if(client->getState() > CS_Created)
- {
- verbosestream<<"Server: Ignoring multiple TOSERVER_INITs from "
- <<addr_s<<" (peer_id="<<peer_id<<")"<<std::endl;
- return;
- }
- verbosestream<<"Server: Got TOSERVER_INIT from "<<addr_s<<" (peer_id="
- <<peer_id<<")"<<std::endl;
- // Do not allow multiple players in simple singleplayer mode.
- // This isn't a perfect way to do it, but will suffice for now
- if(m_simple_singleplayer_mode && m_clients.getClientIDs().size() > 1){
- infostream<<"Server: Not allowing another client ("<<addr_s
- <<") to connect in simple singleplayer mode"<<std::endl;
- DenyAccess(peer_id, L"Running in simple singleplayer mode.");
- return;
- }
- // First byte after command is maximum supported
- // serialization version
- u8 client_max = data[2];
- u8 our_max = SER_FMT_VER_HIGHEST_READ;
- // Use the highest version supported by both
- u8 deployed = std::min(client_max, our_max);
- // If it's lower than the lowest supported, give up.
- if(deployed < SER_FMT_VER_LOWEST)
- deployed = SER_FMT_VER_INVALID;
- if(deployed == SER_FMT_VER_INVALID)
- {
- actionstream<<"Server: A mismatched client tried to connect from "
- <<addr_s<<std::endl;
- infostream<<"Server: Cannot negotiate serialization version with "
- <<addr_s<<std::endl;
- DenyAccess(peer_id, std::wstring(
- L"Your client's version is not supported.\n"
- L"Server version is ")
- + narrow_to_wide(minetest_version_simple) + L"."
- );
- return;
- }
- client->setPendingSerializationVersion(deployed);
- /*
- Read and check network protocol version
- */
- u16 min_net_proto_version = 0;
- if(datasize >= 2+1+PLAYERNAME_SIZE+PASSWORD_SIZE+2)
- min_net_proto_version = readU16(&data[2+1+PLAYERNAME_SIZE+PASSWORD_SIZE]);
- // Use same version as minimum and maximum if maximum version field
- // doesn't exist (backwards compatibility)
- u16 max_net_proto_version = min_net_proto_version;
- if(datasize >= 2+1+PLAYERNAME_SIZE+PASSWORD_SIZE+2+2)
- max_net_proto_version = readU16(&data[2+1+PLAYERNAME_SIZE+PASSWORD_SIZE+2]);
- // Start with client's maximum version
- u16 net_proto_version = max_net_proto_version;
- // Figure out a working version if it is possible at all
- if(max_net_proto_version >= SERVER_PROTOCOL_VERSION_MIN ||
- min_net_proto_version <= SERVER_PROTOCOL_VERSION_MAX)
- {
- // If maximum is larger than our maximum, go with our maximum
- if(max_net_proto_version > SERVER_PROTOCOL_VERSION_MAX)
- net_proto_version = SERVER_PROTOCOL_VERSION_MAX;
- // Else go with client's maximum
- else
- net_proto_version = max_net_proto_version;
- }
- verbosestream<<"Server: "<<addr_s<<": Protocol version: min: "
- <<min_net_proto_version<<", max: "<<max_net_proto_version
- <<", chosen: "<<net_proto_version<<std::endl;
- client->net_proto_version = net_proto_version;
- if(net_proto_version < SERVER_PROTOCOL_VERSION_MIN ||
- net_proto_version > SERVER_PROTOCOL_VERSION_MAX)
- {
- actionstream<<"Server: A mismatched client tried to connect from "
- <<addr_s<<std::endl;
- DenyAccess(peer_id, std::wstring(
- L"Your client's version is not supported.\n"
- L"Server version is ")
- + narrow_to_wide(minetest_version_simple) + L",\n"
- + L"server's PROTOCOL_VERSION is "
- + narrow_to_wide(itos(SERVER_PROTOCOL_VERSION_MIN))
- + L"..."
- + narrow_to_wide(itos(SERVER_PROTOCOL_VERSION_MAX))
- + L", client's PROTOCOL_VERSION is "
- + narrow_to_wide(itos(min_net_proto_version))
- + L"..."
- + narrow_to_wide(itos(max_net_proto_version))
- );
- return;
- }
- if(g_settings->getBool("strict_protocol_version_checking"))
- {
- if(net_proto_version != LATEST_PROTOCOL_VERSION)
- {
- actionstream<<"Server: A mismatched (strict) client tried to "
- <<"connect from "<<addr_s<<std::endl;
- DenyAccess(peer_id, std::wstring(
- L"Your client's version is not supported.\n"
- L"Server version is ")
- + narrow_to_wide(minetest_version_simple) + L",\n"
- + L"server's PROTOCOL_VERSION (strict) is "
- + narrow_to_wide(itos(LATEST_PROTOCOL_VERSION))
- + L", client's PROTOCOL_VERSION is "
- + narrow_to_wide(itos(min_net_proto_version))
- + L"..."
- + narrow_to_wide(itos(max_net_proto_version))
- );
- return;
- }
- }
- /*
- Set up player
- */
- char playername[PLAYERNAME_SIZE];
- unsigned int playername_length = 0;
- for (; playername_length < PLAYERNAME_SIZE; playername_length++ ) {
- playername[playername_length] = data[3+playername_length];
- if (data[3+playername_length] == 0)
- break;
- }
- if (playername_length == PLAYERNAME_SIZE) {
- actionstream<<"Server: Player with name exceeding max length "
- <<"tried to connect from "<<addr_s<<std::endl;
- DenyAccess(peer_id, L"Name too long");
- return;
- }
- if(playername[0]=='\0')
- {
- actionstream<<"Server: Player with an empty name "
- <<"tried to connect from "<<addr_s<<std::endl;
- DenyAccess(peer_id, L"Empty name");
- return;
- }
- if(string_allowed(playername, PLAYERNAME_ALLOWED_CHARS)==false)
- {
- actionstream<<"Server: Player with an invalid name "
- <<"tried to connect from "<<addr_s<<std::endl;
- DenyAccess(peer_id, L"Name contains unallowed characters");
- return;
- }
- if(!isSingleplayer() && strcasecmp(playername, "singleplayer") == 0)
- {
- actionstream<<"Server: Player with the name \"singleplayer\" "
- <<"tried to connect from "<<addr_s<<std::endl;
- DenyAccess(peer_id, L"Name is not allowed");
- return;
- }
- {
- std::string reason;
- if(m_script->on_prejoinplayer(playername, addr_s, reason))
- {
- actionstream<<"Server: Player with the name \""<<playername<<"\" "
- <<"tried to connect from "<<addr_s<<" "
- <<"but it was disallowed for the following reason: "
- <<reason<<std::endl;
- DenyAccess(peer_id, narrow_to_wide(reason.c_str()));
- return;
- }
- }
- infostream<<"Server: New connection: \""<<playername<<"\" from "
- <<addr_s<<" (peer_id="<<peer_id<<")"<<std::endl;
- // Get password
- char given_password[PASSWORD_SIZE];
- if(datasize < 2+1+PLAYERNAME_SIZE+PASSWORD_SIZE)
- {
- // old version - assume blank password
- given_password[0] = 0;
- }
- else
- {
- for(u32 i=0; i<PASSWORD_SIZE-1; i++)
- {
- given_password[i] = data[23+i];
- }
- given_password[PASSWORD_SIZE-1] = 0;
- }
- if(!base64_is_valid(given_password)){
- actionstream<<"Server: "<<playername
- <<" supplied invalid password hash"<<std::endl;
- DenyAccess(peer_id, L"Invalid password hash");
- return;
- }
- // Enforce user limit.
- // Don't enforce for users that have some admin right
- if(m_clients.getClientIDs(CS_Created).size() >= g_settings->getU16("max_users") &&
- !checkPriv(playername, "server") &&
- !checkPriv(playername, "ban") &&
- !checkPriv(playername, "privs") &&
- !checkPriv(playername, "password") &&
- playername != g_settings->get("name"))
- {
- actionstream<<"Server: "<<playername<<" tried to join, but there"
- <<" are already max_users="
- <<g_settings->getU16("max_users")<<" players."<<std::endl;
- DenyAccess(peer_id, L"Too many users.");
- return;
- }
- std::string checkpwd; // Password hash to check against
- bool has_auth = m_script->getAuth(playername, &checkpwd, NULL);
- // If no authentication info exists for user, create it
- if(!has_auth){
- if(!isSingleplayer() &&
- g_settings->getBool("disallow_empty_password") &&
- std::string(given_password) == ""){
- actionstream<<"Server: "<<playername
- <<" supplied empty password"<<std::endl;
- DenyAccess(peer_id, L"Empty passwords are "
- L"disallowed. Set a password and try again.");
- return;
- }
- std::wstring raw_default_password =
- narrow_to_wide(g_settings->get("default_password"));
- std::string initial_password =
- translatePassword(playername, raw_default_password);
- // If default_password is empty, allow any initial password
- if (raw_default_password.length() == 0)
- initial_password = given_password;
- m_script->createAuth(playername, initial_password);
- }
- has_auth = m_script->getAuth(playername, &checkpwd, NULL);
- if(!has_auth){
- actionstream<<"Server: "<<playername<<" cannot be authenticated"
- <<" (auth handler does not work?)"<<std::endl;
- DenyAccess(peer_id, L"Not allowed to login");
- return;
- }
- if(given_password != checkpwd){
- actionstream<<"Server: "<<playername<<" supplied wrong password"
- <<std::endl;
- DenyAccess(peer_id, L"Wrong password");
- return;
- }
- RemotePlayer *player =
- static_cast<RemotePlayer*>(m_env->getPlayer(playername));
- if(player && player->peer_id != 0){
- errorstream<<"Server: "<<playername<<": Failed to emerge player"
- <<" (player allocated to an another client)"<<std::endl;
- DenyAccess(peer_id, L"Another client is connected with this "
- L"name. If your client closed unexpectedly, try again in "
- L"a minute.");
- }
- m_clients.setPlayerName(peer_id,playername);
- /*
- Answer with a TOCLIENT_INIT
- */
- {
- SharedBuffer<u8> reply(2+1+6+8+4);
- writeU16(&reply[0], TOCLIENT_INIT);
- writeU8(&reply[2], deployed);
- //send dummy pos for legacy reasons only
- writeV3S16(&reply[2+1], floatToInt(v3f(0,0,0), BS));
- writeU64(&reply[2+1+6], m_env->getServerMap().getSeed());
- writeF1000(&reply[2+1+6+8], g_settings->getFloat("dedicated_server_step"));
- // Send as reliable
- m_clients.send(peer_id, 0, reply, true);
- m_clients.event(peer_id, CSE_Init);
- }
- return;
- }
- if(command == TOSERVER_INIT2)
- {
- verbosestream<<"Server: Got TOSERVER_INIT2 from "
- <<peer_id<<std::endl;
- m_clients.event(peer_id, CSE_GotInit2);
- u16 protocol_version = m_clients.getProtocolVersion(peer_id);
- ///// begin compatibility code
- PlayerSAO* playersao = NULL;
- if (protocol_version <= 22) {
- playersao = StageTwoClientInit(peer_id);
- if (playersao == NULL) {
- errorstream
- << "TOSERVER_INIT2 stage 2 client init failed for peer "
- << peer_id << std::endl;
- return;
- }
- }
- ///// end compatibility code
- /*
- Send some initialization data
- */
- infostream<<"Server: Sending content to "
- <<getPlayerName(peer_id)<<std::endl;
- // Send player movement settings
- SendMovement(peer_id);
- // Send item definitions
- SendItemDef(peer_id, m_itemdef, protocol_version);
- // Send node definitions
- SendNodeDef(peer_id, m_nodedef, protocol_version);
- m_clients.event(peer_id, CSE_SetDefinitionsSent);
- // Send media announcement
- sendMediaAnnouncement(peer_id);
- // Send detached inventories
- sendDetachedInventories(peer_id);
- // Send time of day
- u16 time = m_env->getTimeOfDay();
- float time_speed = g_settings->getFloat("time_speed");
- SendTimeOfDay(peer_id, time, time_speed);
- ///// begin compatibility code
- if (protocol_version <= 22) {
- m_clients.event(peer_id, CSE_SetClientReady);
- m_script->on_joinplayer(playersao);
- }
- ///// end compatibility code
- // Warnings about protocol version can be issued here
- if(getClient(peer_id)->net_proto_version < LATEST_PROTOCOL_VERSION)
- {
- SendChatMessage(peer_id, L"# Server: WARNING: YOUR CLIENT'S "
- L"VERSION MAY NOT BE FULLY COMPATIBLE WITH THIS SERVER!");
- }
- return;
- }
- u8 peer_ser_ver = getClient(peer_id, CS_InitDone)->serialization_version;
- u16 peer_proto_ver = getClient(peer_id, CS_InitDone)->net_proto_version;
- if(peer_ser_ver == SER_FMT_VER_INVALID)
- {
- errorstream<<"Server::ProcessData(): Cancelling: Peer"
- " serialization format invalid or not initialized."
- " Skipping incoming command="<<command<<std::endl;
- return;
- }
- /* Handle commands relate to client startup */
- if(command == TOSERVER_REQUEST_MEDIA) {
- std::string datastring((char*)&data[2], datasize-2);
- std::istringstream is(datastring, std::ios_base::binary);
- std::list<std::string> tosend;
- u16 numfiles = readU16(is);
- infostream<<"Sending "<<numfiles<<" files to "
- <<getPlayerName(peer_id)<<std::endl;
- verbosestream<<"TOSERVER_REQUEST_MEDIA: "<<std::endl;
- for(int i = 0; i < numfiles; i++) {
- std::string name = deSerializeString(is);
- tosend.push_back(name);
- verbosestream<<"TOSERVER_REQUEST_MEDIA: requested file "
- <<name<<std::endl;
- }
- sendRequestedMedia(peer_id, tosend);
- return;
- }
- else if(command == TOSERVER_RECEIVED_MEDIA) {
- return;
- }
- else if(command == TOSERVER_CLIENT_READY) {
- // clients <= protocol version 22 did not send ready message,
- // they're already initialized
- if (peer_proto_ver <= 22) {
- infostream << "Client sent message not expected by a "
- << "client using protocol version <= 22,"
- << "disconnecing peer_id: " << peer_id << std::endl;
- m_con.DisconnectPeer(peer_id);
- return;
- }
- PlayerSAO* playersao = StageTwoClientInit(peer_id);
- if (playersao == NULL) {
- errorstream
- << "TOSERVER_CLIENT_READY stage 2 client init failed for peer_id: "
- << peer_id << std::endl;
- m_con.DisconnectPeer(peer_id);
- return;
- }
- if(datasize < 2+8) {
- errorstream
- << "TOSERVER_CLIENT_READY client sent inconsistent data, disconnecting peer_id: "
- << peer_id << std::endl;
- m_con.DisconnectPeer(peer_id);
- return;
- }
- m_clients.setClientVersion(
- peer_id,
- data[2], data[3], data[4],
- std::string((char*) &data[8],(u16) data[6]));
- m_clients.event(peer_id, CSE_SetClientReady);
- m_script->on_joinplayer(playersao);
- }
- else if(command == TOSERVER_GOTBLOCKS)
- {
- if(datasize < 2+1)
- return;
- /*
- [0] u16 command
- [2] u8 count
- [3] v3s16 pos_0
- [3+6] v3s16 pos_1
- ...
- */
- u16 count = data[2];
- for(u16 i=0; i<count; i++)
- {
- if((s16)datasize < 2+1+(i+1)*6)
- throw con::InvalidIncomingDataException
- ("GOTBLOCKS length is too short");
- v3s16 p = readV3S16(&data[2+1+i*6]);
- /*infostream<<"Server: GOTBLOCKS ("
- <<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
- RemoteClient *client = getClient(peer_id);
- client->GotBlock(p);
- }
- return;
- }
- if (m_clients.getClientState(peer_id) < CS_Active)
- {
- if (command == TOSERVER_PLAYERPOS) return;
- errorstream<<"Got packet command: " << command << " for peer id "
- << peer_id << " but client isn't active yet. Dropping packet "
- <<std::endl;
- return;
- }
- Player *player = m_env->getPlayer(peer_id);
- if(player == NULL) {
- errorstream<<"Server::ProcessData(): Cancelling: "
- "No player for peer_id="<<peer_id
- << " disconnecting peer!" <<std::endl;
- m_con.DisconnectPeer(peer_id);
- return;
- }
- PlayerSAO *playersao = player->getPlayerSAO();
- if(playersao == NULL) {
- errorstream<<"Server::ProcessData(): Cancelling: "
- "No player object for peer_id="<<peer_id
- << " disconnecting peer!" <<std::endl;
- m_con.DisconnectPeer(peer_id);
- return;
- }
- if(command == TOSERVER_PLAYERPOS)
- {
- if(datasize < 2+12+12+4+4)
- return;
- u32 start = 0;
- v3s32 ps = readV3S32(&data[start+2]);
- v3s32 ss = readV3S32(&data[start+2+12]);
- f32 pitch = (f32)readS32(&data[2+12+12]) / 100.0;
- f32 yaw = (f32)readS32(&data[2+12+12+4]) / 100.0;
- u32 keyPressed = 0;
- if(datasize >= 2+12+12+4+4+4)
- keyPressed = (u32)readU32(&data[2+12+12+4+4]);
- v3f position((f32)ps.X/100., (f32)ps.Y/100., (f32)ps.Z/100.);
- v3f speed((f32)ss.X/100., (f32)ss.Y/100., (f32)ss.Z/100.);
- pitch = wrapDegrees(pitch);
- yaw = wrapDegrees(yaw);
- player->setPosition(position);
- player->setSpeed(speed);
- player->setPitch(pitch);
- player->setYaw(yaw);
- player->keyPressed=keyPressed;
- player->control.up = (bool)(keyPressed&1);
- player->control.down = (bool)(keyPressed&2);
- player->control.left = (bool)(keyPressed&4);
- player->control.right = (bool)(keyPressed&8);
- player->control.jump = (bool)(keyPressed&16);
- player->control.aux1 = (bool)(keyPressed&32);
- player->control.sneak = (bool)(keyPressed&64);
- player->control.LMB = (bool)(keyPressed&128);
- player->control.RMB = (bool)(keyPressed&256);
- bool cheated = playersao->checkMovementCheat();
- if(cheated){
- // Call callbacks
- m_script->on_cheat(playersao, "moved_too_fast");
- }
- /*infostream<<"Server::ProcessData(): Moved player "<<peer_id<<" to "
- <<"("<<position.X<<","<<position.Y<<","<<position.Z<<")"
- <<" pitch="<<pitch<<" yaw="<<yaw<<std::endl;*/
- }
- else if(command == TOSERVER_DELETEDBLOCKS)
- {
- if(datasize < 2+1)
- return;
- /*
- [0] u16 command
- [2] u8 count
- [3] v3s16 pos_0
- [3+6] v3s16 pos_1
- ...
- */
- u16 count = data[2];
- for(u16 i=0; i<count; i++)
- {
- if((s16)datasize < 2+1+(i+1)*6)
- throw con::InvalidIncomingDataException
- ("DELETEDBLOCKS length is too short");
- v3s16 p = readV3S16(&data[2+1+i*6]);
- /*infostream<<"Server: DELETEDBLOCKS ("
- <<p.X<<","<<p.Y<<","<<p.Z<<")"<<std::endl;*/
- RemoteClient *client = getClient(peer_id);
- client->SetBlockNotSent(p);
- }
- }
- else if(command == TOSERVER_CLICK_OBJECT)
- {
- infostream<<"Server: CLICK_OBJECT not supported anymore"<<std::endl;
- return;
- }
- else if(command == TOSERVER_CLICK_ACTIVEOBJECT)
- {
- infostream<<"Server: CLICK_ACTIVEOBJECT not supported anymore"<<std::endl;
- return;
- }
- else if(command == TOSERVER_GROUND_ACTION)
- {
- infostream<<"Server: GROUND_ACTION not supported anymore"<<std::endl;
- return;
- }
- else if(command == TOSERVER_RELEASE)
- {
- infostream<<"Server: RELEASE not supported anymore"<<std::endl;
- return;
- }
- else if(command == TOSERVER_SIGNTEXT)
- {
- infostream<<"Server: SIGNTEXT not supported anymore"
- <<std::endl;
- return;
- }
- else if(command == TOSERVER_SIGNNODETEXT)
- {
- infostream<<"Server: SIGNNODETEXT not supported anymore"
- <<std::endl;
- return;
- }
- else if(command == TOSERVER_INVENTORY_ACTION)
- {
- // Strip command and create a stream
- std::string datastring((char*)&data[2], datasize-2);
- verbosestream<<"TOSERVER_INVENTORY_ACTION: data="<<datastring<<std::endl;
- std::istringstream is(datastring, std::ios_base::binary);
- // Create an action
- InventoryAction *a = InventoryAction::deSerialize(is);
- if(a == NULL)
- {
- infostream<<"TOSERVER_INVENTORY_ACTION: "
- <<"InventoryAction::deSerialize() returned NULL"
- <<std::endl;
- return;
- }
- // If something goes wrong, this player is to blame
- RollbackScopeActor rollback_scope(m_rollback,
- std::string("player:")+player->getName());
- /*
- Note: Always set inventory not sent, to repair cases
- where the client made a bad prediction.
- */
- /*
- Handle restrictions and special cases of the move action
- */
- if(a->getType() == IACTION_MOVE)
- {
- IMoveAction *ma = (IMoveAction*)a;
- ma->from_inv.applyCurrentPlayer(player->getName());
- ma->to_inv.applyCurrentPlayer(player->getName());
- setInventoryModified(ma->from_inv);
- setInventoryModified(ma->to_inv);
- bool from_inv_is_current_player =
- (ma->from_inv.type == InventoryLocation::PLAYER) &&
- (ma->from_inv.name == player->getName());
- bool to_inv_is_current_player =
- (ma->to_inv.type == InventoryLocation::PLAYER) &&
- (ma->to_inv.name == player->getName());
- /*
- Disable moving items out of craftpreview
- */
- if(ma->from_list == "craftpreview")
- {
- infostream<<"Ignoring IMoveAction from "
- <<(ma->from_inv.dump())<<":"<<ma->from_list
- <<" to "<<(ma->to_inv.dump())<<":"<<ma->to_list
- <<" because src is "<<ma->from_list<<std::endl;
- delete a;
- return;
- }
- /*
- Disable moving items into craftresult and craftpreview
- */
- if(ma->to_list == "craftpreview" || ma->to_list == "craftresult")
- {
- infostream<<"Ignoring IMoveAction from "
- <<(ma->from_inv.dump())<<":"<<ma->from_list
- <<" to "<<(ma->to_inv.dump())<<":"<<ma->to_list
- <<" because dst is "<<ma->to_list<<std::endl;
- delete a;
- return;
- }
- // Disallow moving items in elsewhere than player's inventory
- // if not allowed to interact
- if(!checkPriv(player->getName(), "interact") &&
- (!from_inv_is_current_player ||
- !to_inv_is_current_player))
- {
- infostream<<"Cannot move outside of player's inventory: "
- <<"No interact privilege"<<std::endl;
- delete a;
- return;
- }
- }
- /*
- Handle restrictions and special cases of the drop action
- */
- else if(a->getType() == IACTION_DROP)
- {
- IDropAction *da = (IDropAction*)a;
- da->from_inv.applyCurrentPlayer(player->getName());
- setInventoryModified(da->from_inv);
- /*
- Disable dropping items out of craftpreview
- */
- if(da->from_list == "craftpreview")
- {
- infostream<<"Ignoring IDropAction from "
- <<(da->from_inv.dump())<<":"<<da->from_list
- <<" because src is "<<da->from_list<<std::endl;
- delete a;
- return;
- }
- // Disallow dropping items if not allowed to interact
- if(!checkPriv(player->getName(), "interact"))
- {
- delete a;
- return;
- }
- }
- /*
- Handle restrictions and special cases of the craft action
- */
- else if(a->getType() == IACTION_CRAFT)
- {
- ICraftAction *ca = (ICraftAction*)a;
- ca->craft_inv.applyCurrentPlayer(player->getName());
- setInventoryModified(ca->craft_inv);
- //bool craft_inv_is_current_player =
- // (ca->craft_inv.type == InventoryLocation::PLAYER) &&
- // (ca->craft_inv.name == player->getName());
- // Disallow crafting if not allowed to interact
- if(!checkPriv(player->getName(), "interact"))
- {
- infostream<<"Cannot craft: "
- <<"No interact privilege"<<std::endl;
- delete a;
- return;
- }
- }
- // Do the action
- a->apply(this, playersao, this);
- // Eat the action
- delete a;
- }
- else if(command == TOSERVER_CHAT_MESSAGE)
- {
- /*
- u16 command
- u16 length
- wstring message
- */
- u8 buf[6];
- std::string datastring((char*)&data[2], datasize-2);
- std::istringstream is(datastring, std::ios_base::binary);
- // Read stuff
- is.read((char*)buf, 2);
- u16 len = readU16(buf);
- std::wstring message;
- for(u16 i=0; i<len; i++)
- {
- is.read((char*)buf, 2);
- message += (wchar_t)readU16(buf);
- }
- // If something goes wrong, this player is to blame
- RollbackScopeActor rollback_scope(m_rollback,
- std::string("player:")+player->getName());
- // Get player name of this client
- std::wstring name = narrow_to_wide(player->getName());
- // Run script hook
- bool ate = m_script->on_chat_message(player->getName(),
- wide_to_narrow(message));
- // If script ate the message, don't proceed
- if(ate)
- return;
- // Line to send to players
- std::wstring line;
- // Whether to send to the player that sent the line
- bool send_to_sender_only = false;
- // Commands are implemented in Lua, so only catch invalid
- // commands that were not "eaten" and send an error back
- if(message[0] == L'/')
- {
- message = message.substr(1);
- send_to_sender_only = true;
- if(message.length() == 0)
- line += L"-!- Empty command";
- else
- line += L"-!- Invalid command: " + str_split(message, L' ')[0];
- }
- else
- {
- if(checkPriv(player->getName(), "shout")){
- line += L"<";
- line += name;
- line += L"> ";
- line += message;
- } else {
- line += L"-!- You don't have permission to shout.";
- send_to_sender_only = true;
- }
- }
- if(line != L"")
- {
- /*
- Send the message to sender
- */
- if (send_to_sender_only)
- {
- SendChatMessage(peer_id, line);
- }
- /*
- Send the message to others
- */
- else
- {
- actionstream<<"CHAT: "<<wide_to_narrow(line)<<std::endl;
- std::list<u16> clients = m_clients.getClientIDs();
- for(std::list<u16>::iterator
- i = clients.begin();
- i != clients.end(); ++i)
- {
- if (*i != peer_id)
- SendChatMessage(*i, line);
- }
- }
- }
- }
- else if(command == TOSERVER_DAMAGE)
- {
- std::string datastring((char*)&data[2], datasize-2);
- std::istringstream is(datastring, std::ios_base::binary);
- u8 damage = readU8(is);
- if(g_settings->getBool("enable_damage"))
- {
- actionstream<<player->getName()<<" damaged by "
- <<(int)damage<<" hp at "<<PP(player->getPosition()/BS)
- <<std::endl;
- playersao->setHP(playersao->getHP() - damage);
- if(playersao->getHP() == 0 && playersao->m_hp_not_sent)
- DiePlayer(peer_id);
- if(playersao->m_hp_not_sent)
- SendPlayerHP(peer_id);
- }
- }
- else if(command == TOSERVER_BREATH)
- {
- std::string datastring((char*)&data[2], datasize-2);
- std::istringstream is(datastring, std::ios_base::binary);
- u16 breath = readU16(is);
- playersao->setBreath(breath);
- m_script->player_event(playersao,"breath_changed");
- }
- else if(command == TOSERVER_PASSWORD)
- {
- /*
- [0] u16 TOSERVER_PASSWORD
- [2] u8[28] old password
- [30] u8[28] new password
- */
- if(datasize != 2+PASSWORD_SIZE*2)
- return;
- /*char password[PASSWORD_SIZE];
- for(u32 i=0; i<PASSWORD_SIZE-1; i++)
- password[i] = data[2+i];
- password[PASSWORD_SIZE-1] = 0;*/
- std::string oldpwd;
- for(u32 i=0; i<PASSWORD_SIZE-1; i++)
- {
- char c = data[2+i];
- if(c == 0)
- break;
- oldpwd += c;
- }
- std::string newpwd;
- for(u32 i=0; i<PASSWORD_SIZE-1; i++)
- {
- char c = data[2+PASSWORD_SIZE+i];
- if(c == 0)
- break;
- newpwd += c;
- }
- if(!base64_is_valid(newpwd)){
- infostream<<"Server: "<<player->getName()<<" supplied invalid password hash"<<std::endl;
- // Wrong old password supplied!!
- SendChatMessage(peer_id, L"Invalid new password hash supplied. Password NOT changed.");
- return;
- }
- infostream<<"Server: Client requests a password change from "
- <<"'"<<oldpwd<<"' to '"<<newpwd<<"'"<<std::endl;
- std::string playername = player->getName();
- std::string checkpwd;
- m_script->getAuth(playername, &checkpwd, NULL);
- if(oldpwd != checkpwd)
- {
- infostream<<"Server: invalid old password"<<std::endl;
- // Wrong old password supplied!!
- SendChatMessage(peer_id, L"Invalid old password supplied. Password NOT changed.");
- return;
- }
- bool success = m_script->setPassword(playername, newpwd);
- if(success){
- actionstream<<player->getName()<<" changes password"<<std::endl;
- SendChatMessage(peer_id, L"Password change successful.");
- } else {
- actionstream<<player->getName()<<" tries to change password but "
- <<"it fails"<<std::endl;
- SendChatMessage(peer_id, L"Password change failed or inavailable.");
- }
- }
- else if(command == TOSERVER_PLAYERITEM)
- {
- if (datasize < 2+2)
- return;
- u16 item = readU16(&data[2]);
- playersao->setWieldIndex(item);
- }
- else if(command == TOSERVER_RESPAWN)
- {
- if(player->hp != 0 || !g_settings->getBool("enable_damage"))
- return;
- RespawnPlayer(peer_id);
- actionstream<<player->getName()<<" respawns at "
- <<PP(player->getPosition()/BS)<<std::endl;
- // ActiveObject is added to environment in AsyncRunStep after
- // the previous addition has been succesfully removed
- }
- else if(command == TOSERVER_INTERACT)
- {
- std::string datastring((char*)&data[2], datasize-2);
- std::istringstream is(datastring, std::ios_base::binary);
- /*
- [0] u16 command
- [2] u8 action
- [3] u16 item
- [5] u32 length of the next item
- [9] serialized PointedThing
- actions:
- 0: start digging (from undersurface) or use
- 1: stop digging (all parameters ignored)
- 2: digging completed
- 3: place block or item (to abovesurface)
- 4: use item
- */
- u8 action = readU8(is);
- u16 item_i = readU16(is);
- std::istringstream tmp_is(deSerializeLongString(is), std::ios::binary);
- PointedThing pointed;
- pointed.deSerialize(tmp_is);
- verbosestream<<"TOSERVER_INTERACT: action="<<(int)action<<", item="
- <<item_i<<", pointed="<<pointed.dump()<<std::endl;
- if(player->hp == 0)
- {
- verbosestream<<"TOSERVER_INTERACT: "<<player->getName()
- <<" tried to interact, but is dead!"<<std::endl;
- return;
- }
- v3f player_pos = playersao->getLastGoodPosition();
- // Update wielded item
- playersao->setWieldIndex(item_i);
- // Get pointed to node (undefined if not POINTEDTYPE_NODE)
- v3s16 p_under = pointed.node_undersurface;
- v3s16 p_above = pointed.node_abovesurface;
- // Get pointed to object (NULL if not POINTEDTYPE_OBJECT)
- ServerActiveObject *pointed_object = NULL;
- if(pointed.type == POINTEDTHING_OBJECT)
- {
- pointed_object = m_env->getActiveObject(pointed.object_id);
- if(pointed_object == NULL)
- {
- verbosestream<<"TOSERVER_INTERACT: "
- "pointed object is NULL"<<std::endl;
- return;
- }
- }
- v3f pointed_pos_under = player_pos;
- v3f pointed_pos_above = player_pos;
- if(pointed.type == POINTEDTHING_NODE)
- {
- pointed_pos_under = intToFloat(p_under, BS);
- pointed_pos_above = intToFloat(p_above, BS);
- }
- else if(pointed.type == POINTEDTHING_OBJECT)
- {
- pointed_pos_under = pointed_object->getBasePosition();
- pointed_pos_above = pointed_pos_under;
- }
- /*
- Check that target is reasonably close
- (only when digging or placing things)
- */
- if(action == 0 || action == 2 || action == 3)
- {
- float d = player_pos.getDistanceFrom(pointed_pos_under);
- float max_d = BS * 14; // Just some large enough value
- if(d > max_d){
- actionstream<<"Player "<<player->getName()
- <<" tried to access "<<pointed.dump()
- <<" from too far: "
- <<"d="<<d<<", max_d="<<max_d
- <<". ignoring."<<std::endl;
- // Re-send block to revert change on client-side
- RemoteClient *client = getClient(peer_id);
- v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_under, BS));
- client->SetBlockNotSent(blockpos);
- // Call callbacks
- m_script->on_cheat(playersao, "interacted_too_far");
- // Do nothing else
- return;
- }
- }
- /*
- Make sure the player is allowed to do it
- */
- if(!checkPriv(player->getName(), "interact"))
- {
- actionstream<<player->getName()<<" attempted to interact with "
- <<pointed.dump()<<" without 'interact' privilege"
- <<std::endl;
- // Re-send block to revert change on client-side
- RemoteClient *client = getClient(peer_id);
- // Digging completed -> under
- if(action == 2){
- v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_under, BS));
- client->SetBlockNotSent(blockpos);
- }
- // Placement -> above
- if(action == 3){
- v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_above, BS));
- client->SetBlockNotSent(blockpos);
- }
- return;
- }
- /*
- If something goes wrong, this player is to blame
- */
- RollbackScopeActor rollback_scope(m_rollback,
- std::string("player:")+player->getName());
- /*
- 0: start digging or punch object
- */
- if(action == 0)
- {
- if(pointed.type == POINTEDTHING_NODE)
- {
- /*
- NOTE: This can be used in the future to check if
- somebody is cheating, by checking the timing.
- */
- MapNode n(CONTENT_IGNORE);
- try
- {
- n = m_env->getMap().getNode(p_under);
- }
- catch(InvalidPositionException &e)
- {
- infostream<<"Server: Not punching: Node not found."
- <<" Adding block to emerge queue."
- <<std::endl;
- m_emerge->enqueueBlockEmerge(peer_id, getNodeBlockPos(p_above), false);
- }
- if(n.getContent() != CONTENT_IGNORE)
- m_script->node_on_punch(p_under, n, playersao, pointed);
- // Cheat prevention
- playersao->noCheatDigStart(p_under);
- }
- else if(pointed.type == POINTEDTHING_OBJECT)
- {
- // Skip if object has been removed
- if(pointed_object->m_removed)
- return;
- actionstream<<player->getName()<<" punches object "
- <<pointed.object_id<<": "
- <<pointed_object->getDescription()<<std::endl;
- ItemStack punchitem = playersao->getWieldedItem();
- ToolCapabilities toolcap =
- punchitem.getToolCapabilities(m_itemdef);
- v3f dir = (pointed_object->getBasePosition() -
- (player->getPosition() + player->getEyeOffset())
- ).normalize();
- float time_from_last_punch =
- playersao->resetTimeFromLastPunch();
- pointed_object->punch(dir, &toolcap, playersao,
- time_from_last_punch);
- }
- } // action == 0
- /*
- 1: stop digging
- */
- else if(action == 1)
- {
- } // action == 1
- /*
- 2: Digging completed
- */
- else if(action == 2)
- {
- // Only digging of nodes
- if(pointed.type == POINTEDTHING_NODE)
- {
- MapNode n(CONTENT_IGNORE);
- try
- {
- n = m_env->getMap().getNode(p_under);
- }
- catch(InvalidPositionException &e)
- {
- infostream<<"Server: Not finishing digging: Node not found."
- <<" Adding block to emerge queue."
- <<std::endl;
- m_emerge->enqueueBlockEmerge(peer_id, getNodeBlockPos(p_above), false);
- }
- /* Cheat prevention */
- bool is_valid_dig = true;
- if(!isSingleplayer() && !g_settings->getBool("disable_anticheat"))
- {
- v3s16 nocheat_p = playersao->getNoCheatDigPos();
- float nocheat_t = playersao->getNoCheatDigTime();
- playersao->noCheatDigEnd();
- // If player didn't start digging this, ignore dig
- if(nocheat_p != p_under){
- infostream<<"Server: NoCheat: "<<player->getName()
- <<" started digging "
- <<PP(nocheat_p)<<" and completed digging "
- <<PP(p_under)<<"; not digging."<<std::endl;
- is_valid_dig = false;
- // Call callbacks
- m_script->on_cheat(playersao, "finished_unknown_dig");
- }
- // Get player's wielded item
- ItemStack playeritem;
- InventoryList *mlist = playersao->getInventory()->getList("main");
- if(mlist != NULL)
- playeritem = mlist->getItem(playersao->getWieldIndex());
- ToolCapabilities playeritem_toolcap =
- playeritem.getToolCapabilities(m_itemdef);
- // Get diggability and expected digging time
- DigParams params = getDigParams(m_nodedef->get(n).groups,
- &playeritem_toolcap);
- // If can't dig, try hand
- if(!params.diggable){
- const ItemDefinition &hand = m_itemdef->get("");
- const ToolCapabilities *tp = hand.tool_capabilities;
- if(tp)
- params = getDigParams(m_nodedef->get(n).groups, tp);
- }
- // If can't dig, ignore dig
- if(!params.diggable){
- infostream<<"Server: NoCheat: "<<player->getName()
- <<" completed digging "<<PP(p_under)
- <<", which is not diggable with tool. not digging."
- <<std::endl;
- is_valid_dig = false;
- // Call callbacks
- m_script->on_cheat(playersao, "dug_unbreakable");
- }
- // Check digging time
- // If already invalidated, we don't have to
- if(!is_valid_dig){
- // Well not our problem then
- }
- // Clean and long dig
- else if(params.time > 2.0 && nocheat_t * 1.2 > params.time){
- // All is good, but grab time from pool; don't care if
- // it's actually available
- playersao->getDigPool().grab(params.time);
- }
- // Short or laggy dig
- // Try getting the time from pool
- else if(playersao->getDigPool().grab(params.time)){
- // All is good
- }
- // Dig not possible
- else{
- infostream<<"Server: NoCheat: "<<player->getName()
- <<" completed digging "<<PP(p_under)
- <<"too fast; not digging."<<std::endl;
- is_valid_dig = false;
- // Call callbacks
- m_script->on_cheat(playersao, "dug_too_fast");
- }
- }
- /* Actually dig node */
- if(is_valid_dig && n.getContent() != CONTENT_IGNORE)
- m_script->node_on_dig(p_under, n, playersao);
- v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_under, BS));
- RemoteClient *client = getClient(peer_id);
- // Send unusual result (that is, node not being removed)
- if(m_env->getMap().getNodeNoEx(p_under).getContent() != CONTENT_AIR)
- {
- // Re-send block to revert change on client-side
- client->SetBlockNotSent(blockpos);
- }
- else {
- client->ResendBlockIfOnWire(blockpos);
- }
- }
- } // action == 2
- /*
- 3: place block or right-click object
- */
- else if(action == 3)
- {
- ItemStack item = playersao->getWieldedItem();
- // Reset build time counter
- if(pointed.type == POINTEDTHING_NODE &&
- item.getDefinition(m_itemdef).type == ITEM_NODE)
- getClient(peer_id)->m_time_from_building = 0.0;
- if(pointed.type == POINTEDTHING_OBJECT)
- {
- // Right click object
- // Skip if object has been removed
- if(pointed_object->m_removed)
- return;
- actionstream<<player->getName()<<" right-clicks object "
- <<pointed.object_id<<": "
- <<pointed_object->getDescription()<<std::endl;
- // Do stuff
- pointed_object->rightClick(playersao);
- }
- else if(m_script->item_OnPlace(
- item, playersao, pointed))
- {
- // Placement was handled in lua
- // Apply returned ItemStack
- playersao->setWieldedItem(item);
- }
- // If item has node placement prediction, always send the
- // blocks to make sure the client knows what exactly happened
- RemoteClient *client = getClient(peer_id);
- v3s16 blockpos = getNodeBlockPos(floatToInt(pointed_pos_above, BS));
- v3s16 blockpos2 = getNodeBlockPos(floatToInt(pointed_pos_under, BS));
- if(item.getDefinition(m_itemdef).node_placement_prediction != "") {
- client->SetBlockNotSent(blockpos);
- if(blockpos2 != blockpos) {
- client->SetBlockNotSent(blockpos2);
- }
- }
- else {
- client->ResendBlockIfOnWire(blockpos);
- if(blockpos2 != blockpos) {
- client->ResendBlockIfOnWire(blockpos2);
- }
- }
- } // action == 3
- /*
- 4: use
- */
- else if(action == 4)
- {
- ItemStack item = playersao->getWieldedItem();
- actionstream<<player->getName()<<" uses "<<item.name
- <<", pointing at "<<pointed.dump()<<std::endl;
- if(m_script->item_OnUse(
- item, playersao, pointed))
- {
- // Apply returned ItemStack
- playersao->setWieldedItem(item);
- }
- } // action == 4
-
- /*
- Catch invalid actions
- */
- else
- {
- infostream<<"WARNING: Server: Invalid action "
- <<action<<std::endl;
- }
- }
- else if(command == TOSERVER_REMOVED_SOUNDS)
- {
- std::string datastring((char*)&data[2], datasize-2);
- std::istringstream is(datastring, std::ios_base::binary);
- int num = readU16(is);
- for(int k=0; k<num; k++){
- s32 id = readS32(is);
- std::map<s32, ServerPlayingSound>::iterator i =
- m_playing_sounds.find(id);
- if(i == m_playing_sounds.end())
- continue;
- ServerPlayingSound &psound = i->second;
- psound.clients.erase(peer_id);
- if(psound.clients.size() == 0)
- m_playing_sounds.erase(i++);
- }
- }
- else if(command == TOSERVER_NODEMETA_FIELDS)
- {
- std::string datastring((char*)&data[2], datasize-2);
- std::istringstream is(datastring, std::ios_base::binary);
- v3s16 p = readV3S16(is);
- std::string formname = deSerializeString(is);
- int num = readU16(is);
- std::map<std::string, std::string> fields;
- for(int k=0; k<num; k++){
- std::string fieldname = deSerializeString(is);
- std::string fieldvalue = deSerializeLongString(is);
- fields[fieldname] = fieldvalue;
- }
- // If something goes wrong, this player is to blame
- RollbackScopeActor rollback_scope(m_rollback,
- std::string("player:")+player->getName());
- // Check the target node for rollback data; leave others unnoticed
- RollbackNode rn_old(&m_env->getMap(), p, this);
- m_script->node_on_receive_fields(p, formname, fields,playersao);
- // Report rollback data
- RollbackNode rn_new(&m_env->getMap(), p, this);
- if(rollback() && rn_new != rn_old){
- RollbackAction action;
- action.setSetNode(p, rn_old, rn_new);
- rollback()->reportAction(action);
- }
- }
- else if(command == TOSERVER_INVENTORY_FIELDS)
- {
- std::string datastring((char*)&data[2], datasize-2);
- std::istringstream is(datastring, std::ios_base::binary);
- std::string formname = deSerializeString(is);
- int num = readU16(is);
- std::map<std::string, std::string> fields;
- for(int k=0; k<num; k++){
- std::string fieldname = deSerializeString(is);
- std::string fieldvalue = deSerializeLongString(is);
- fields[fieldname] = fieldvalue;
- }
- m_script->on_playerReceiveFields(playersao, formname, fields);
- }
- else
- {
- infostream<<"Server::ProcessData(): Ignoring "
- "unknown command "<<command<<std::endl;
- }
- } //try
- catch(SendFailedException &e)
- {
- errorstream<<"Server::ProcessData(): SendFailedException: "
- <<"what="<<e.what()
- <<std::endl;
- }
- }
- void Server::setTimeOfDay(u32 time)
- {
- m_env->setTimeOfDay(time);
- m_time_of_day_send_timer = 0;
- }
- void Server::onMapEditEvent(MapEditEvent *event)
- {
- //infostream<<"Server::onMapEditEvent()"<<std::endl;
- if(m_ignore_map_edit_events)
- return;
- if(m_ignore_map_edit_events_area.contains(event->getArea()))
- return;
- MapEditEvent *e = event->clone();
- m_unsent_map_edit_queue.push_back(e);
- }
- Inventory* Server::getInventory(const InventoryLocation &loc)
- {
- switch(loc.type){
- case InventoryLocation::UNDEFINED:
- {}
- break;
- case InventoryLocation::CURRENT_PLAYER:
- {}
- break;
- case InventoryLocation::PLAYER:
- {
- Player *player = m_env->getPlayer(loc.name.c_str());
- if(!player)
- return NULL;
- PlayerSAO *playersao = player->getPlayerSAO();
- if(!playersao)
- return NULL;
- return playersao->getInventory();
- }
- break;
- case InventoryLocation::NODEMETA:
- {
- NodeMetadata *meta = m_env->getMap().getNodeMetadata(loc.p);
- if(!meta)
- return NULL;
- return meta->getInventory();
- }
- break;
- case InventoryLocation::DETACHED:
- {
- if(m_detached_inventories.count(loc.name) == 0)
- return NULL;
- return m_detached_inventories[loc.name];
- }
- break;
- default:
- assert(0);
- }
- return NULL;
- }
- void Server::setInventoryModified(const InventoryLocation &loc)
- {
- switch(loc.type){
- case InventoryLocation::UNDEFINED:
- {}
- break;
- case InventoryLocation::PLAYER:
- {
- Player *player = m_env->getPlayer(loc.name.c_str());
- if(!player)
- return;
- PlayerSAO *playersao = player->getPlayerSAO();
- if(!playersao)
- return;
- playersao->m_inventory_not_sent = true;
- playersao->m_wielded_item_not_sent = true;
- }
- break;
- case InventoryLocation::NODEMETA:
- {
- v3s16 blockpos = getNodeBlockPos(loc.p);
- MapBlock *block = m_env->getMap().getBlockNoCreateNoEx(blockpos);
- if(block)
- block->raiseModified(MOD_STATE_WRITE_NEEDED);
- setBlockNotSent(blockpos);
- }
- break;
- case InventoryLocation::DETACHED:
- {
- sendDetachedInventory(loc.name,PEER_ID_INEXISTENT);
- }
- break;
- default:
- assert(0);
- }
- }
- void Server::SetBlocksNotSent(std::map<v3s16, MapBlock *>& block)
- {
- std::list<u16> clients = m_clients.getClientIDs();
- m_clients.Lock();
- // Set the modified blocks unsent for all the clients
- for (std::list<u16>::iterator
- i = clients.begin();
- i != clients.end(); ++i) {
- RemoteClient *client = m_clients.lockedGetClientNoEx(*i);
- if (client != NULL)
- client->SetBlocksNotSent(block);
- }
- m_clients.Unlock();
- }
- void Server::peerAdded(con::Peer *peer)
- {
- DSTACK(__FUNCTION_NAME);
- verbosestream<<"Server::peerAdded(): peer->id="
- <<peer->id<<std::endl;
- con::PeerChange c;
- c.type = con::PEER_ADDED;
- c.peer_id = peer->id;
- c.timeout = false;
- m_peer_change_queue.push_back(c);
- }
- void Server::deletingPeer(con::Peer *peer, bool timeout)
- {
- DSTACK(__FUNCTION_NAME);
- verbosestream<<"Server::deletingPeer(): peer->id="
- <<peer->id<<", timeout="<<timeout<<std::endl;
- m_clients.event(peer->id, CSE_Disconnect);
- con::PeerChange c;
- c.type = con::PEER_REMOVED;
- c.peer_id = peer->id;
- c.timeout = timeout;
- m_peer_change_queue.push_back(c);
- }
- bool Server::getClientConInfo(u16 peer_id, con::rtt_stat_type type, float* retval)
- {
- *retval = m_con.getPeerStat(peer_id,type);
- if (*retval == -1) return false;
- return true;
- }
- bool Server::getClientInfo(
- u16 peer_id,
- ClientState* state,
- u32* uptime,
- u8* ser_vers,
- u16* prot_vers,
- u8* major,
- u8* minor,
- u8* patch,
- std::string* vers_string
- )
- {
- *state = m_clients.getClientState(peer_id);
- m_clients.Lock();
- RemoteClient* client = m_clients.lockedGetClientNoEx(peer_id, CS_Invalid);
- if (client == NULL) {
- m_clients.Unlock();
- return false;
- }
- *uptime = client->uptime();
- *ser_vers = client->serialization_version;
- *prot_vers = client->net_proto_version;
- *major = client->getMajor();
- *minor = client->getMinor();
- *patch = client->getPatch();
- *vers_string = client->getPatch();
- m_clients.Unlock();
- return true;
- }
- void Server::handlePeerChanges()
- {
- while(m_peer_change_queue.size() > 0)
- {
- con::PeerChange c = m_peer_change_queue.pop_front();
- verbosestream<<"Server: Handling peer change: "
- <<"id="<<c.peer_id<<", timeout="<<c.timeout
- <<std::endl;
- switch(c.type)
- {
- case con::PEER_ADDED:
- m_clients.CreateClient(c.peer_id);
- break;
- case con::PEER_REMOVED:
- DeleteClient(c.peer_id, c.timeout?CDR_TIMEOUT:CDR_LEAVE);
- break;
- default:
- assert("Invalid peer change event received!" == 0);
- break;
- }
- }
- }
- void Server::SendMovement(u16 peer_id)
- {
- DSTACK(__FUNCTION_NAME);
- std::ostringstream os(std::ios_base::binary);
- writeU16(os, TOCLIENT_MOVEMENT);
- writeF1000(os, g_settings->getFloat("movement_acceleration_default"));
- writeF1000(os, g_settings->getFloat("movement_acceleration_air"));
- writeF1000(os, g_settings->getFloat("movement_acceleration_fast"));
- writeF1000(os, g_settings->getFloat("movement_speed_walk"));
- writeF1000(os, g_settings->getFloat("movement_speed_crouch"));
- writeF1000(os, g_settings->getFloat("movement_speed_fast"));
- writeF1000(os, g_settings->getFloat("movement_speed_climb"));
- writeF1000(os, g_settings->getFloat("movement_speed_jump"));
- writeF1000(os, g_settings->getFloat("movement_liquid_fluidity"));
- writeF1000(os, g_settings->getFloat("movement_liquid_fluidity_smooth"));
- writeF1000(os, g_settings->getFloat("movement_liquid_sink"));
- writeF1000(os, g_settings->getFloat("movement_gravity"));
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8*)s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- void Server::SendHP(u16 peer_id, u8 hp)
- {
- DSTACK(__FUNCTION_NAME);
- std::ostringstream os(std::ios_base::binary);
- writeU16(os, TOCLIENT_HP);
- writeU8(os, hp);
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8*)s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- void Server::SendBreath(u16 peer_id, u16 breath)
- {
- DSTACK(__FUNCTION_NAME);
- std::ostringstream os(std::ios_base::binary);
- writeU16(os, TOCLIENT_BREATH);
- writeU16(os, breath);
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8*)s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- void Server::SendAccessDenied(u16 peer_id,const std::wstring &reason)
- {
- DSTACK(__FUNCTION_NAME);
- std::ostringstream os(std::ios_base::binary);
- writeU16(os, TOCLIENT_ACCESS_DENIED);
- os<<serializeWideString(reason);
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8*)s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- void Server::SendDeathscreen(u16 peer_id,bool set_camera_point_target,
- v3f camera_point_target)
- {
- DSTACK(__FUNCTION_NAME);
- std::ostringstream os(std::ios_base::binary);
- writeU16(os, TOCLIENT_DEATHSCREEN);
- writeU8(os, set_camera_point_target);
- writeV3F1000(os, camera_point_target);
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8*)s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- void Server::SendItemDef(u16 peer_id,
- IItemDefManager *itemdef, u16 protocol_version)
- {
- DSTACK(__FUNCTION_NAME);
- std::ostringstream os(std::ios_base::binary);
- /*
- u16 command
- u32 length of the next item
- zlib-compressed serialized ItemDefManager
- */
- writeU16(os, TOCLIENT_ITEMDEF);
- std::ostringstream tmp_os(std::ios::binary);
- itemdef->serialize(tmp_os, protocol_version);
- std::ostringstream tmp_os2(std::ios::binary);
- compressZlib(tmp_os.str(), tmp_os2);
- os<<serializeLongString(tmp_os2.str());
- // Make data buffer
- std::string s = os.str();
- verbosestream<<"Server: Sending item definitions to id("<<peer_id
- <<"): size="<<s.size()<<std::endl;
- SharedBuffer<u8> data((u8*)s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- void Server::SendNodeDef(u16 peer_id,
- INodeDefManager *nodedef, u16 protocol_version)
- {
- DSTACK(__FUNCTION_NAME);
- std::ostringstream os(std::ios_base::binary);
- /*
- u16 command
- u32 length of the next item
- zlib-compressed serialized NodeDefManager
- */
- writeU16(os, TOCLIENT_NODEDEF);
- std::ostringstream tmp_os(std::ios::binary);
- nodedef->serialize(tmp_os, protocol_version);
- std::ostringstream tmp_os2(std::ios::binary);
- compressZlib(tmp_os.str(), tmp_os2);
- os<<serializeLongString(tmp_os2.str());
- // Make data buffer
- std::string s = os.str();
- verbosestream<<"Server: Sending node definitions to id("<<peer_id
- <<"): size="<<s.size()<<std::endl;
- SharedBuffer<u8> data((u8*)s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- /*
- Non-static send methods
- */
- void Server::SendInventory(u16 peer_id)
- {
- DSTACK(__FUNCTION_NAME);
- PlayerSAO *playersao = getPlayerSAO(peer_id);
- assert(playersao);
- playersao->m_inventory_not_sent = false;
- /*
- Serialize it
- */
- std::ostringstream os;
- playersao->getInventory()->serialize(os);
- std::string s = os.str();
- SharedBuffer<u8> data(s.size()+2);
- writeU16(&data[0], TOCLIENT_INVENTORY);
- memcpy(&data[2], s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- void Server::SendChatMessage(u16 peer_id, const std::wstring &message)
- {
- DSTACK(__FUNCTION_NAME);
- std::ostringstream os(std::ios_base::binary);
- u8 buf[12];
- // Write command
- writeU16(buf, TOCLIENT_CHAT_MESSAGE);
- os.write((char*)buf, 2);
- // Write length
- writeU16(buf, message.size());
- os.write((char*)buf, 2);
- // Write string
- for(u32 i=0; i<message.size(); i++)
- {
- u16 w = message[i];
- writeU16(buf, w);
- os.write((char*)buf, 2);
- }
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8*)s.c_str(), s.size());
- if (peer_id != PEER_ID_INEXISTENT)
- {
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- else
- {
- m_clients.sendToAll(0,data,true);
- }
- }
- void Server::SendShowFormspecMessage(u16 peer_id, const std::string &formspec,
- const std::string &formname)
- {
- DSTACK(__FUNCTION_NAME);
- std::ostringstream os(std::ios_base::binary);
- u8 buf[12];
- // Write command
- writeU16(buf, TOCLIENT_SHOW_FORMSPEC);
- os.write((char*)buf, 2);
- os<<serializeLongString(FORMSPEC_VERSION_STRING + formspec);
- os<<serializeString(formname);
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8*)s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- // Spawns a particle on peer with peer_id
- void Server::SendSpawnParticle(u16 peer_id, v3f pos, v3f velocity, v3f acceleration,
- float expirationtime, float size, bool collisiondetection,
- bool vertical, std::string texture)
- {
- DSTACK(__FUNCTION_NAME);
- std::ostringstream os(std::ios_base::binary);
- writeU16(os, TOCLIENT_SPAWN_PARTICLE);
- writeV3F1000(os, pos);
- writeV3F1000(os, velocity);
- writeV3F1000(os, acceleration);
- writeF1000(os, expirationtime);
- writeF1000(os, size);
- writeU8(os, collisiondetection);
- os<<serializeLongString(texture);
- writeU8(os, vertical);
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8*)s.c_str(), s.size());
- if (peer_id != PEER_ID_INEXISTENT)
- {
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- else
- {
- m_clients.sendToAll(0,data,true);
- }
- }
- // Adds a ParticleSpawner on peer with peer_id
- void Server::SendAddParticleSpawner(u16 peer_id, u16 amount, float spawntime, v3f minpos, v3f maxpos,
- v3f minvel, v3f maxvel, v3f minacc, v3f maxacc, float minexptime, float maxexptime,
- float minsize, float maxsize, bool collisiondetection, bool vertical, std::string texture, u32 id)
- {
- DSTACK(__FUNCTION_NAME);
- std::ostringstream os(std::ios_base::binary);
- writeU16(os, TOCLIENT_ADD_PARTICLESPAWNER);
- writeU16(os, amount);
- writeF1000(os, spawntime);
- writeV3F1000(os, minpos);
- writeV3F1000(os, maxpos);
- writeV3F1000(os, minvel);
- writeV3F1000(os, maxvel);
- writeV3F1000(os, minacc);
- writeV3F1000(os, maxacc);
- writeF1000(os, minexptime);
- writeF1000(os, maxexptime);
- writeF1000(os, minsize);
- writeF1000(os, maxsize);
- writeU8(os, collisiondetection);
- os<<serializeLongString(texture);
- writeU32(os, id);
- writeU8(os, vertical);
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8*)s.c_str(), s.size());
- if (peer_id != PEER_ID_INEXISTENT)
- {
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- else {
- m_clients.sendToAll(0,data,true);
- }
- }
- void Server::SendDeleteParticleSpawner(u16 peer_id, u32 id)
- {
- DSTACK(__FUNCTION_NAME);
- std::ostringstream os(std::ios_base::binary);
- writeU16(os, TOCLIENT_DELETE_PARTICLESPAWNER);
- writeU16(os, id);
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8*)s.c_str(), s.size());
- if (peer_id != PEER_ID_INEXISTENT) {
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- else {
- m_clients.sendToAll(0,data,true);
- }
- }
- void Server::SendHUDAdd(u16 peer_id, u32 id, HudElement *form)
- {
- std::ostringstream os(std::ios_base::binary);
- // Write command
- writeU16(os, TOCLIENT_HUDADD);
- writeU32(os, id);
- writeU8(os, (u8)form->type);
- writeV2F1000(os, form->pos);
- os << serializeString(form->name);
- writeV2F1000(os, form->scale);
- os << serializeString(form->text);
- writeU32(os, form->number);
- writeU32(os, form->item);
- writeU32(os, form->dir);
- writeV2F1000(os, form->align);
- writeV2F1000(os, form->offset);
- writeV3F1000(os, form->world_pos);
- writeV2S32(os,form->size);
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8*)s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 1, data, true);
- }
- void Server::SendHUDRemove(u16 peer_id, u32 id)
- {
- std::ostringstream os(std::ios_base::binary);
- // Write command
- writeU16(os, TOCLIENT_HUDRM);
- writeU32(os, id);
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8*)s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 1, data, true);
- }
- void Server::SendHUDChange(u16 peer_id, u32 id, HudElementStat stat, void *value)
- {
- std::ostringstream os(std::ios_base::binary);
- // Write command
- writeU16(os, TOCLIENT_HUDCHANGE);
- writeU32(os, id);
- writeU8(os, (u8)stat);
- switch (stat) {
- case HUD_STAT_POS:
- case HUD_STAT_SCALE:
- case HUD_STAT_ALIGN:
- case HUD_STAT_OFFSET:
- writeV2F1000(os, *(v2f *)value);
- break;
- case HUD_STAT_NAME:
- case HUD_STAT_TEXT:
- os << serializeString(*(std::string *)value);
- break;
- case HUD_STAT_WORLD_POS:
- writeV3F1000(os, *(v3f *)value);
- break;
- case HUD_STAT_SIZE:
- writeV2S32(os,*(v2s32 *)value);
- break;
- case HUD_STAT_NUMBER:
- case HUD_STAT_ITEM:
- case HUD_STAT_DIR:
- default:
- writeU32(os, *(u32 *)value);
- break;
- }
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8 *)s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- void Server::SendHUDSetFlags(u16 peer_id, u32 flags, u32 mask)
- {
- std::ostringstream os(std::ios_base::binary);
- // Write command
- writeU16(os, TOCLIENT_HUD_SET_FLAGS);
- //////////////////////////// compatibility code to be removed //////////////
- flags &= ~(HUD_FLAG_HEALTHBAR_VISIBLE | HUD_FLAG_BREATHBAR_VISIBLE);
- ////////////////////////////////////////////////////////////////////////////
- writeU32(os, flags);
- writeU32(os, mask);
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8 *)s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- void Server::SendHUDSetParam(u16 peer_id, u16 param, const std::string &value)
- {
- std::ostringstream os(std::ios_base::binary);
- // Write command
- writeU16(os, TOCLIENT_HUD_SET_PARAM);
- writeU16(os, param);
- os<<serializeString(value);
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8 *)s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- void Server::SendSetSky(u16 peer_id, const video::SColor &bgcolor,
- const std::string &type, const std::vector<std::string> ¶ms)
- {
- std::ostringstream os(std::ios_base::binary);
- // Write command
- writeU16(os, TOCLIENT_SET_SKY);
- writeARGB8(os, bgcolor);
- os<<serializeString(type);
- writeU16(os, params.size());
- for(size_t i=0; i<params.size(); i++)
- os<<serializeString(params[i]);
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8 *)s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- void Server::SendOverrideDayNightRatio(u16 peer_id, bool do_override,
- float ratio)
- {
- std::ostringstream os(std::ios_base::binary);
- // Write command
- writeU16(os, TOCLIENT_OVERRIDE_DAY_NIGHT_RATIO);
- writeU8(os, do_override);
- writeU16(os, ratio*65535);
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8 *)s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- void Server::SendTimeOfDay(u16 peer_id, u16 time, f32 time_speed)
- {
- DSTACK(__FUNCTION_NAME);
- // Make packet
- SharedBuffer<u8> data(2+2+4);
- writeU16(&data[0], TOCLIENT_TIME_OF_DAY);
- writeU16(&data[2], time);
- writeF1000(&data[4], time_speed);
- if (peer_id == PEER_ID_INEXISTENT) {
- m_clients.sendToAll(0,data,true);
- }
- else {
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- }
- void Server::SendPlayerHP(u16 peer_id)
- {
- DSTACK(__FUNCTION_NAME);
- PlayerSAO *playersao = getPlayerSAO(peer_id);
- assert(playersao);
- playersao->m_hp_not_sent = false;
- SendHP(peer_id, playersao->getHP());
- m_script->player_event(playersao,"health_changed");
- // Send to other clients
- std::string str = gob_cmd_punched(playersao->readDamage(), playersao->getHP());
- ActiveObjectMessage aom(playersao->getId(), true, str);
- playersao->m_messages_out.push_back(aom);
- }
- void Server::SendPlayerBreath(u16 peer_id)
- {
- DSTACK(__FUNCTION_NAME);
- PlayerSAO *playersao = getPlayerSAO(peer_id);
- assert(playersao);
- playersao->m_breath_not_sent = false;
- m_script->player_event(playersao,"breath_changed");
- SendBreath(peer_id, playersao->getBreath());
- }
- void Server::SendMovePlayer(u16 peer_id)
- {
- DSTACK(__FUNCTION_NAME);
- Player *player = m_env->getPlayer(peer_id);
- assert(player);
- std::ostringstream os(std::ios_base::binary);
- writeU16(os, TOCLIENT_MOVE_PLAYER);
- writeV3F1000(os, player->getPosition());
- writeF1000(os, player->getPitch());
- writeF1000(os, player->getYaw());
- {
- v3f pos = player->getPosition();
- f32 pitch = player->getPitch();
- f32 yaw = player->getYaw();
- verbosestream<<"Server: Sending TOCLIENT_MOVE_PLAYER"
- <<" pos=("<<pos.X<<","<<pos.Y<<","<<pos.Z<<")"
- <<" pitch="<<pitch
- <<" yaw="<<yaw
- <<std::endl;
- }
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8*)s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- void Server::SendLocalPlayerAnimations(u16 peer_id, v2s32 animation_frames[4], f32 animation_speed)
- {
- std::ostringstream os(std::ios_base::binary);
- writeU16(os, TOCLIENT_LOCAL_PLAYER_ANIMATIONS);
- writeV2S32(os, animation_frames[0]);
- writeV2S32(os, animation_frames[1]);
- writeV2S32(os, animation_frames[2]);
- writeV2S32(os, animation_frames[3]);
- writeF1000(os, animation_speed);
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8 *)s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- void Server::SendEyeOffset(u16 peer_id, v3f first, v3f third)
- {
- std::ostringstream os(std::ios_base::binary);
- writeU16(os, TOCLIENT_EYE_OFFSET);
- writeV3F1000(os, first);
- writeV3F1000(os, third);
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8 *)s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- void Server::SendPlayerPrivileges(u16 peer_id)
- {
- Player *player = m_env->getPlayer(peer_id);
- assert(player);
- if(player->peer_id == PEER_ID_INEXISTENT)
- return;
- std::set<std::string> privs;
- m_script->getAuth(player->getName(), NULL, &privs);
- std::ostringstream os(std::ios_base::binary);
- writeU16(os, TOCLIENT_PRIVILEGES);
- writeU16(os, privs.size());
- for(std::set<std::string>::const_iterator i = privs.begin();
- i != privs.end(); i++){
- os<<serializeString(*i);
- }
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8*)s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- void Server::SendPlayerInventoryFormspec(u16 peer_id)
- {
- Player *player = m_env->getPlayer(peer_id);
- assert(player);
- if(player->peer_id == PEER_ID_INEXISTENT)
- return;
- std::ostringstream os(std::ios_base::binary);
- writeU16(os, TOCLIENT_INVENTORY_FORMSPEC);
- os<<serializeLongString(FORMSPEC_VERSION_STRING + player->inventory_formspec);
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8*)s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- s32 Server::playSound(const SimpleSoundSpec &spec,
- const ServerSoundParams ¶ms)
- {
- // Find out initial position of sound
- bool pos_exists = false;
- v3f pos = params.getPos(m_env, &pos_exists);
- // If position is not found while it should be, cancel sound
- if(pos_exists != (params.type != ServerSoundParams::SSP_LOCAL))
- return -1;
- // Filter destination clients
- std::list<u16> dst_clients;
- if(params.to_player != "")
- {
- Player *player = m_env->getPlayer(params.to_player.c_str());
- if(!player){
- infostream<<"Server::playSound: Player \""<<params.to_player
- <<"\" not found"<<std::endl;
- return -1;
- }
- if(player->peer_id == PEER_ID_INEXISTENT){
- infostream<<"Server::playSound: Player \""<<params.to_player
- <<"\" not connected"<<std::endl;
- return -1;
- }
- dst_clients.push_back(player->peer_id);
- }
- else
- {
- std::list<u16> clients = m_clients.getClientIDs();
- for(std::list<u16>::iterator
- i = clients.begin(); i != clients.end(); ++i)
- {
- Player *player = m_env->getPlayer(*i);
- if(!player)
- continue;
- if(pos_exists){
- if(player->getPosition().getDistanceFrom(pos) >
- params.max_hear_distance)
- continue;
- }
- dst_clients.push_back(*i);
- }
- }
- if(dst_clients.size() == 0)
- return -1;
- // Create the sound
- s32 id = m_next_sound_id++;
- // The sound will exist as a reference in m_playing_sounds
- m_playing_sounds[id] = ServerPlayingSound();
- ServerPlayingSound &psound = m_playing_sounds[id];
- psound.params = params;
- for(std::list<u16>::iterator i = dst_clients.begin();
- i != dst_clients.end(); i++)
- psound.clients.insert(*i);
- // Create packet
- std::ostringstream os(std::ios_base::binary);
- writeU16(os, TOCLIENT_PLAY_SOUND);
- writeS32(os, id);
- os<<serializeString(spec.name);
- writeF1000(os, spec.gain * params.gain);
- writeU8(os, params.type);
- writeV3F1000(os, pos);
- writeU16(os, params.object);
- writeU8(os, params.loop);
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8*)s.c_str(), s.size());
- // Send
- for(std::list<u16>::iterator i = dst_clients.begin();
- i != dst_clients.end(); i++){
- // Send as reliable
- m_clients.send(*i, 0, data, true);
- }
- return id;
- }
- void Server::stopSound(s32 handle)
- {
- // Get sound reference
- std::map<s32, ServerPlayingSound>::iterator i =
- m_playing_sounds.find(handle);
- if(i == m_playing_sounds.end())
- return;
- ServerPlayingSound &psound = i->second;
- // Create packet
- std::ostringstream os(std::ios_base::binary);
- writeU16(os, TOCLIENT_STOP_SOUND);
- writeS32(os, handle);
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8*)s.c_str(), s.size());
- // Send
- for(std::set<u16>::iterator i = psound.clients.begin();
- i != psound.clients.end(); i++){
- // Send as reliable
- m_clients.send(*i, 0, data, true);
- }
- // Remove sound reference
- m_playing_sounds.erase(i);
- }
- void Server::sendRemoveNode(v3s16 p, u16 ignore_id,
- std::list<u16> *far_players, float far_d_nodes)
- {
- float maxd = far_d_nodes*BS;
- v3f p_f = intToFloat(p, BS);
- // Create packet
- u32 replysize = 8;
- SharedBuffer<u8> reply(replysize);
- writeU16(&reply[0], TOCLIENT_REMOVENODE);
- writeS16(&reply[2], p.X);
- writeS16(&reply[4], p.Y);
- writeS16(&reply[6], p.Z);
- std::list<u16> clients = m_clients.getClientIDs();
- for(std::list<u16>::iterator
- i = clients.begin();
- i != clients.end(); ++i)
- {
- if(far_players)
- {
- // Get player
- Player *player = m_env->getPlayer(*i);
- if(player)
- {
- // If player is far away, only set modified blocks not sent
- v3f player_pos = player->getPosition();
- if(player_pos.getDistanceFrom(p_f) > maxd)
- {
- far_players->push_back(*i);
- continue;
- }
- }
- }
- // Send as reliable
- m_clients.send(*i, 0, reply, true);
- }
- }
- void Server::sendAddNode(v3s16 p, MapNode n, u16 ignore_id,
- std::list<u16> *far_players, float far_d_nodes,
- bool remove_metadata)
- {
- float maxd = far_d_nodes*BS;
- v3f p_f = intToFloat(p, BS);
- std::list<u16> clients = m_clients.getClientIDs();
- for(std::list<u16>::iterator
- i = clients.begin();
- i != clients.end(); ++i)
- {
- if(far_players)
- {
- // Get player
- Player *player = m_env->getPlayer(*i);
- if(player)
- {
- // If player is far away, only set modified blocks not sent
- v3f player_pos = player->getPosition();
- if(player_pos.getDistanceFrom(p_f) > maxd)
- {
- far_players->push_back(*i);
- continue;
- }
- }
- }
- SharedBuffer<u8> reply(0);
- m_clients.Lock();
- RemoteClient* client = m_clients.lockedGetClientNoEx(*i);
- if (client != 0)
- {
- // Create packet
- u32 replysize = 9 + MapNode::serializedLength(client->serialization_version);
- reply = SharedBuffer<u8>(replysize);
- writeU16(&reply[0], TOCLIENT_ADDNODE);
- writeS16(&reply[2], p.X);
- writeS16(&reply[4], p.Y);
- writeS16(&reply[6], p.Z);
- n.serialize(&reply[8], client->serialization_version);
- u32 index = 8 + MapNode::serializedLength(client->serialization_version);
- writeU8(&reply[index], remove_metadata ? 0 : 1);
- if (!remove_metadata) {
- if (client->net_proto_version <= 21) {
- // Old clients always clear metadata; fix it
- // by sending the full block again.
- client->SetBlockNotSent(p);
- }
- }
- }
- m_clients.Unlock();
- // Send as reliable
- if (reply.getSize() > 0)
- m_clients.send(*i, 0, reply, true);
- }
- }
- void Server::setBlockNotSent(v3s16 p)
- {
- std::list<u16> clients = m_clients.getClientIDs();
- m_clients.Lock();
- for(std::list<u16>::iterator
- i = clients.begin();
- i != clients.end(); ++i)
- {
- RemoteClient *client = m_clients.lockedGetClientNoEx(*i);
- client->SetBlockNotSent(p);
- }
- m_clients.Unlock();
- }
- void Server::SendBlockNoLock(u16 peer_id, MapBlock *block, u8 ver, u16 net_proto_version)
- {
- DSTACK(__FUNCTION_NAME);
- v3s16 p = block->getPos();
- #if 0
- // Analyze it a bit
- bool completely_air = true;
- for(s16 z0=0; z0<MAP_BLOCKSIZE; z0++)
- for(s16 x0=0; x0<MAP_BLOCKSIZE; x0++)
- for(s16 y0=0; y0<MAP_BLOCKSIZE; y0++)
- {
- if(block->getNodeNoEx(v3s16(x0,y0,z0)).d != CONTENT_AIR)
- {
- completely_air = false;
- x0 = y0 = z0 = MAP_BLOCKSIZE; // Break out
- }
- }
- // Print result
- infostream<<"Server: Sending block ("<<p.X<<","<<p.Y<<","<<p.Z<<"): ";
- if(completely_air)
- infostream<<"[completely air] ";
- infostream<<std::endl;
- #endif
- /*
- Create a packet with the block in the right format
- */
- std::ostringstream os(std::ios_base::binary);
- block->serialize(os, ver, false);
- block->serializeNetworkSpecific(os, net_proto_version);
- std::string s = os.str();
- SharedBuffer<u8> blockdata((u8*)s.c_str(), s.size());
- u32 replysize = 8 + blockdata.getSize();
- SharedBuffer<u8> reply(replysize);
- writeU16(&reply[0], TOCLIENT_BLOCKDATA);
- writeS16(&reply[2], p.X);
- writeS16(&reply[4], p.Y);
- writeS16(&reply[6], p.Z);
- memcpy(&reply[8], *blockdata, blockdata.getSize());
- /*infostream<<"Server: Sending block ("<<p.X<<","<<p.Y<<","<<p.Z<<")"
- <<": \tpacket size: "<<replysize<<std::endl;*/
- /*
- Send packet
- */
- m_clients.send(peer_id, 2, reply, true);
- }
- void Server::SendBlocks(float dtime)
- {
- DSTACK(__FUNCTION_NAME);
- JMutexAutoLock envlock(m_env_mutex);
- //TODO check if one big lock could be faster then multiple small ones
- ScopeProfiler sp(g_profiler, "Server: sel and send blocks to clients");
- std::vector<PrioritySortedBlockTransfer> queue;
- s32 total_sending = 0;
- {
- ScopeProfiler sp(g_profiler, "Server: selecting blocks for sending");
- std::list<u16> clients = m_clients.getClientIDs();
- m_clients.Lock();
- for(std::list<u16>::iterator
- i = clients.begin();
- i != clients.end(); ++i)
- {
- RemoteClient *client = m_clients.lockedGetClientNoEx(*i, CS_Active);
- if (client == NULL)
- return;
- total_sending += client->SendingCount();
- client->GetNextBlocks(m_env,m_emerge, dtime, queue);
- }
- m_clients.Unlock();
- }
- // Sort.
- // Lowest priority number comes first.
- // Lowest is most important.
- std::sort(queue.begin(), queue.end());
- m_clients.Lock();
- for(u32 i=0; i<queue.size(); i++)
- {
- //TODO: Calculate limit dynamically
- if(total_sending >= g_settings->getS32
- ("max_simultaneous_block_sends_server_total"))
- break;
- PrioritySortedBlockTransfer q = queue[i];
- MapBlock *block = NULL;
- try
- {
- block = m_env->getMap().getBlockNoCreate(q.pos);
- }
- catch(InvalidPositionException &e)
- {
- continue;
- }
- RemoteClient *client = m_clients.lockedGetClientNoEx(q.peer_id, CS_Active);
- if(!client)
- continue;
- SendBlockNoLock(q.peer_id, block, client->serialization_version, client->net_proto_version);
- client->SentBlock(q.pos);
- total_sending++;
- }
- m_clients.Unlock();
- }
- void Server::fillMediaCache()
- {
- DSTACK(__FUNCTION_NAME);
- infostream<<"Server: Calculating media file checksums"<<std::endl;
- // Collect all media file paths
- std::list<std::string> paths;
- for(std::vector<ModSpec>::iterator i = m_mods.begin();
- i != m_mods.end(); i++){
- const ModSpec &mod = *i;
- paths.push_back(mod.path + DIR_DELIM + "textures");
- paths.push_back(mod.path + DIR_DELIM + "sounds");
- paths.push_back(mod.path + DIR_DELIM + "media");
- paths.push_back(mod.path + DIR_DELIM + "models");
- }
- paths.push_back(porting::path_user + DIR_DELIM + "textures" + DIR_DELIM + "server");
- // Collect media file information from paths into cache
- for(std::list<std::string>::iterator i = paths.begin();
- i != paths.end(); i++)
- {
- std::string mediapath = *i;
- std::vector<fs::DirListNode> dirlist = fs::GetDirListing(mediapath);
- for(u32 j=0; j<dirlist.size(); j++){
- if(dirlist[j].dir) // Ignode dirs
- continue;
- std::string filename = dirlist[j].name;
- // If name contains illegal characters, ignore the file
- if(!string_allowed(filename, TEXTURENAME_ALLOWED_CHARS)){
- infostream<<"Server: ignoring illegal file name: \""
- <<filename<<"\""<<std::endl;
- continue;
- }
- // If name is not in a supported format, ignore it
- const char *supported_ext[] = {
- ".png", ".jpg", ".bmp", ".tga",
- ".pcx", ".ppm", ".psd", ".wal", ".rgb",
- ".ogg",
- ".x", ".b3d", ".md2", ".obj",
- NULL
- };
- if(removeStringEnd(filename, supported_ext) == ""){
- infostream<<"Server: ignoring unsupported file extension: \""
- <<filename<<"\""<<std::endl;
- continue;
- }
- // Ok, attempt to load the file and add to cache
- std::string filepath = mediapath + DIR_DELIM + filename;
- // Read data
- std::ifstream fis(filepath.c_str(), std::ios_base::binary);
- if(fis.good() == false){
- errorstream<<"Server::fillMediaCache(): Could not open \""
- <<filename<<"\" for reading"<<std::endl;
- continue;
- }
- std::ostringstream tmp_os(std::ios_base::binary);
- bool bad = false;
- for(;;){
- char buf[1024];
- fis.read(buf, 1024);
- std::streamsize len = fis.gcount();
- tmp_os.write(buf, len);
- if(fis.eof())
- break;
- if(!fis.good()){
- bad = true;
- break;
- }
- }
- if(bad){
- errorstream<<"Server::fillMediaCache(): Failed to read \""
- <<filename<<"\""<<std::endl;
- continue;
- }
- if(tmp_os.str().length() == 0){
- errorstream<<"Server::fillMediaCache(): Empty file \""
- <<filepath<<"\""<<std::endl;
- continue;
- }
- SHA1 sha1;
- sha1.addBytes(tmp_os.str().c_str(), tmp_os.str().length());
- unsigned char *digest = sha1.getDigest();
- std::string sha1_base64 = base64_encode(digest, 20);
- std::string sha1_hex = hex_encode((char*)digest, 20);
- free(digest);
- // Put in list
- this->m_media[filename] = MediaInfo(filepath, sha1_base64);
- verbosestream<<"Server: "<<sha1_hex<<" is "<<filename<<std::endl;
- }
- }
- }
- struct SendableMediaAnnouncement
- {
- std::string name;
- std::string sha1_digest;
- SendableMediaAnnouncement(const std::string &name_="",
- const std::string &sha1_digest_=""):
- name(name_),
- sha1_digest(sha1_digest_)
- {}
- };
- void Server::sendMediaAnnouncement(u16 peer_id)
- {
- DSTACK(__FUNCTION_NAME);
- verbosestream<<"Server: Announcing files to id("<<peer_id<<")"
- <<std::endl;
- std::list<SendableMediaAnnouncement> file_announcements;
- for(std::map<std::string, MediaInfo>::iterator i = m_media.begin();
- i != m_media.end(); i++){
- // Put in list
- file_announcements.push_back(
- SendableMediaAnnouncement(i->first, i->second.sha1_digest));
- }
- // Make packet
- std::ostringstream os(std::ios_base::binary);
- /*
- u16 command
- u32 number of files
- for each texture {
- u16 length of name
- string name
- u16 length of sha1_digest
- string sha1_digest
- }
- */
- writeU16(os, TOCLIENT_ANNOUNCE_MEDIA);
- writeU16(os, file_announcements.size());
- for(std::list<SendableMediaAnnouncement>::iterator
- j = file_announcements.begin();
- j != file_announcements.end(); ++j){
- os<<serializeString(j->name);
- os<<serializeString(j->sha1_digest);
- }
- os<<serializeString(g_settings->get("remote_media"));
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8*)s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- struct SendableMedia
- {
- std::string name;
- std::string path;
- std::string data;
- SendableMedia(const std::string &name_="", const std::string &path_="",
- const std::string &data_=""):
- name(name_),
- path(path_),
- data(data_)
- {}
- };
- void Server::sendRequestedMedia(u16 peer_id,
- const std::list<std::string> &tosend)
- {
- DSTACK(__FUNCTION_NAME);
- verbosestream<<"Server::sendRequestedMedia(): "
- <<"Sending files to client"<<std::endl;
- /* Read files */
- // Put 5kB in one bunch (this is not accurate)
- u32 bytes_per_bunch = 5000;
- std::vector< std::list<SendableMedia> > file_bunches;
- file_bunches.push_back(std::list<SendableMedia>());
- u32 file_size_bunch_total = 0;
- for(std::list<std::string>::const_iterator i = tosend.begin();
- i != tosend.end(); ++i)
- {
- const std::string &name = *i;
- if(m_media.find(name) == m_media.end()){
- errorstream<<"Server::sendRequestedMedia(): Client asked for "
- <<"unknown file \""<<(name)<<"\""<<std::endl;
- continue;
- }
- //TODO get path + name
- std::string tpath = m_media[name].path;
- // Read data
- std::ifstream fis(tpath.c_str(), std::ios_base::binary);
- if(fis.good() == false){
- errorstream<<"Server::sendRequestedMedia(): Could not open \""
- <<tpath<<"\" for reading"<<std::endl;
- continue;
- }
- std::ostringstream tmp_os(std::ios_base::binary);
- bool bad = false;
- for(;;){
- char buf[1024];
- fis.read(buf, 1024);
- std::streamsize len = fis.gcount();
- tmp_os.write(buf, len);
- file_size_bunch_total += len;
- if(fis.eof())
- break;
- if(!fis.good()){
- bad = true;
- break;
- }
- }
- if(bad){
- errorstream<<"Server::sendRequestedMedia(): Failed to read \""
- <<name<<"\""<<std::endl;
- continue;
- }
- /*infostream<<"Server::sendRequestedMedia(): Loaded \""
- <<tname<<"\""<<std::endl;*/
- // Put in list
- file_bunches[file_bunches.size()-1].push_back(
- SendableMedia(name, tpath, tmp_os.str()));
- // Start next bunch if got enough data
- if(file_size_bunch_total >= bytes_per_bunch){
- file_bunches.push_back(std::list<SendableMedia>());
- file_size_bunch_total = 0;
- }
- }
- /* Create and send packets */
- u32 num_bunches = file_bunches.size();
- for(u32 i=0; i<num_bunches; i++)
- {
- std::ostringstream os(std::ios_base::binary);
- /*
- u16 command
- u16 total number of texture bunches
- u16 index of this bunch
- u32 number of files in this bunch
- for each file {
- u16 length of name
- string name
- u32 length of data
- data
- }
- */
- writeU16(os, TOCLIENT_MEDIA);
- writeU16(os, num_bunches);
- writeU16(os, i);
- writeU32(os, file_bunches[i].size());
- for(std::list<SendableMedia>::iterator
- j = file_bunches[i].begin();
- j != file_bunches[i].end(); ++j){
- os<<serializeString(j->name);
- os<<serializeLongString(j->data);
- }
- // Make data buffer
- std::string s = os.str();
- verbosestream<<"Server::sendRequestedMedia(): bunch "
- <<i<<"/"<<num_bunches
- <<" files="<<file_bunches[i].size()
- <<" size=" <<s.size()<<std::endl;
- SharedBuffer<u8> data((u8*)s.c_str(), s.size());
- // Send as reliable
- m_clients.send(peer_id, 2, data, true);
- }
- }
- void Server::sendDetachedInventory(const std::string &name, u16 peer_id)
- {
- if(m_detached_inventories.count(name) == 0){
- errorstream<<__FUNCTION_NAME<<": \""<<name<<"\" not found"<<std::endl;
- return;
- }
- Inventory *inv = m_detached_inventories[name];
- std::ostringstream os(std::ios_base::binary);
- writeU16(os, TOCLIENT_DETACHED_INVENTORY);
- os<<serializeString(name);
- inv->serialize(os);
- // Make data buffer
- std::string s = os.str();
- SharedBuffer<u8> data((u8*)s.c_str(), s.size());
- if (peer_id != PEER_ID_INEXISTENT)
- {
- // Send as reliable
- m_clients.send(peer_id, 0, data, true);
- }
- else
- {
- m_clients.sendToAll(0,data,true);
- }
- }
- void Server::sendDetachedInventories(u16 peer_id)
- {
- DSTACK(__FUNCTION_NAME);
- for(std::map<std::string, Inventory*>::iterator
- i = m_detached_inventories.begin();
- i != m_detached_inventories.end(); i++){
- const std::string &name = i->first;
- //Inventory *inv = i->second;
- sendDetachedInventory(name, peer_id);
- }
- }
- /*
- Something random
- */
- void Server::DiePlayer(u16 peer_id)
- {
- DSTACK(__FUNCTION_NAME);
- PlayerSAO *playersao = getPlayerSAO(peer_id);
- assert(playersao);
- infostream<<"Server::DiePlayer(): Player "
- <<playersao->getPlayer()->getName()
- <<" dies"<<std::endl;
- playersao->setHP(0);
- // Trigger scripted stuff
- m_script->on_dieplayer(playersao);
- SendPlayerHP(peer_id);
- SendDeathscreen(peer_id, false, v3f(0,0,0));
- }
- void Server::RespawnPlayer(u16 peer_id)
- {
- DSTACK(__FUNCTION_NAME);
- PlayerSAO *playersao = getPlayerSAO(peer_id);
- assert(playersao);
- infostream<<"Server::RespawnPlayer(): Player "
- <<playersao->getPlayer()->getName()
- <<" respawns"<<std::endl;
- playersao->setHP(PLAYER_MAX_HP);
- bool repositioned = m_script->on_respawnplayer(playersao);
- if(!repositioned){
- v3f pos = findSpawnPos(m_env->getServerMap());
- playersao->setPos(pos);
- }
- }
- void Server::DenyAccess(u16 peer_id, const std::wstring &reason)
- {
- DSTACK(__FUNCTION_NAME);
- SendAccessDenied(peer_id, reason);
- m_clients.event(peer_id, CSE_SetDenied);
- m_con.DisconnectPeer(peer_id);
- }
- void Server::DeleteClient(u16 peer_id, ClientDeletionReason reason)
- {
- DSTACK(__FUNCTION_NAME);
- std::wstring message;
- {
- /*
- Clear references to playing sounds
- */
- for(std::map<s32, ServerPlayingSound>::iterator
- i = m_playing_sounds.begin();
- i != m_playing_sounds.end();)
- {
- ServerPlayingSound &psound = i->second;
- psound.clients.erase(peer_id);
- if(psound.clients.size() == 0)
- m_playing_sounds.erase(i++);
- else
- i++;
- }
- Player *player = m_env->getPlayer(peer_id);
- // Collect information about leaving in chat
- {
- if(player != NULL && reason != CDR_DENY)
- {
- std::wstring name = narrow_to_wide(player->getName());
- message += L"*** ";
- message += name;
- message += L" left the game.";
- if(reason == CDR_TIMEOUT)
- message += L" (timed out)";
- }
- }
- /* Run scripts and remove from environment */
- {
- if(player != NULL)
- {
- PlayerSAO *playersao = player->getPlayerSAO();
- assert(playersao);
- m_script->on_leaveplayer(playersao);
- playersao->disconnected();
- }
- }
- /*
- Print out action
- */
- {
- if(player != NULL && reason != CDR_DENY)
- {
- std::ostringstream os(std::ios_base::binary);
- std::list<u16> clients = m_clients.getClientIDs();
- for(std::list<u16>::iterator
- i = clients.begin();
- i != clients.end(); ++i)
- {
- // Get player
- Player *player = m_env->getPlayer(*i);
- if(!player)
- continue;
- // Get name of player
- os<<player->getName()<<" ";
- }
- actionstream<<player->getName()<<" "
- <<(reason==CDR_TIMEOUT?"times out.":"leaves game.")
- <<" List of players: "<<os.str()<<std::endl;
- }
- }
- {
- JMutexAutoLock env_lock(m_env_mutex);
- m_clients.DeleteClient(peer_id);
- }
- }
- // Send leave chat message to all remaining clients
- if(message.length() != 0)
- SendChatMessage(PEER_ID_INEXISTENT,message);
- }
- void Server::UpdateCrafting(u16 peer_id)
- {
- DSTACK(__FUNCTION_NAME);
- Player* player = m_env->getPlayer(peer_id);
- assert(player);
- // Get a preview for crafting
- ItemStack preview;
- InventoryLocation loc;
- loc.setPlayer(player->getName());
- getCraftingResult(&player->inventory, preview, false, this);
- m_env->getScriptIface()->item_CraftPredict(preview, player->getPlayerSAO(), (&player->inventory)->getList("craft"), loc);
- // Put the new preview in
- InventoryList *plist = player->inventory.getList("craftpreview");
- assert(plist);
- assert(plist->getSize() >= 1);
- plist->changeItem(0, preview);
- }
- RemoteClient* Server::getClient(u16 peer_id, ClientState state_min)
- {
- RemoteClient *client = getClientNoEx(peer_id,state_min);
- if(!client)
- throw ClientNotFoundException("Client not found");
- return client;
- }
- RemoteClient* Server::getClientNoEx(u16 peer_id, ClientState state_min)
- {
- return m_clients.getClientNoEx(peer_id, state_min);
- }
- std::string Server::getPlayerName(u16 peer_id)
- {
- Player *player = m_env->getPlayer(peer_id);
- if(player == NULL)
- return "[id="+itos(peer_id)+"]";
- return player->getName();
- }
- PlayerSAO* Server::getPlayerSAO(u16 peer_id)
- {
- Player *player = m_env->getPlayer(peer_id);
- if(player == NULL)
- return NULL;
- return player->getPlayerSAO();
- }
- std::wstring Server::getStatusString()
- {
- std::wostringstream os(std::ios_base::binary);
- os<<L"# Server: ";
- // Version
- os<<L"version="<<narrow_to_wide(minetest_version_simple);
- // Uptime
- os<<L", uptime="<<m_uptime.get();
- // Max lag estimate
- os<<L", max_lag="<<m_env->getMaxLagEstimate();
- // Information about clients
- bool first = true;
- os<<L", clients={";
- std::list<u16> clients = m_clients.getClientIDs();
- for(std::list<u16>::iterator i = clients.begin();
- i != clients.end(); ++i)
- {
- // Get player
- Player *player = m_env->getPlayer(*i);
- // Get name of player
- std::wstring name = L"unknown";
- if(player != NULL)
- name = narrow_to_wide(player->getName());
- // Add name to information string
- if(!first)
- os<<L",";
- else
- first = false;
- os<<name;
- }
- os<<L"}";
- if(((ServerMap*)(&m_env->getMap()))->isSavingEnabled() == false)
- os<<std::endl<<L"# Server: "<<" WARNING: Map saving is disabled.";
- if(g_settings->get("motd") != "")
- os<<std::endl<<L"# Server: "<<narrow_to_wide(g_settings->get("motd"));
- return os.str();
- }
- std::set<std::string> Server::getPlayerEffectivePrivs(const std::string &name)
- {
- std::set<std::string> privs;
- m_script->getAuth(name, NULL, &privs);
- return privs;
- }
- bool Server::checkPriv(const std::string &name, const std::string &priv)
- {
- std::set<std::string> privs = getPlayerEffectivePrivs(name);
- return (privs.count(priv) != 0);
- }
- void Server::reportPrivsModified(const std::string &name)
- {
- if(name == ""){
- std::list<u16> clients = m_clients.getClientIDs();
- for(std::list<u16>::iterator
- i = clients.begin();
- i != clients.end(); ++i){
- Player *player = m_env->getPlayer(*i);
- reportPrivsModified(player->getName());
- }
- } else {
- Player *player = m_env->getPlayer(name.c_str());
- if(!player)
- return;
- SendPlayerPrivileges(player->peer_id);
- PlayerSAO *sao = player->getPlayerSAO();
- if(!sao)
- return;
- sao->updatePrivileges(
- getPlayerEffectivePrivs(name),
- isSingleplayer());
- }
- }
- void Server::reportInventoryFormspecModified(const std::string &name)
- {
- Player *player = m_env->getPlayer(name.c_str());
- if(!player)
- return;
- SendPlayerInventoryFormspec(player->peer_id);
- }
- void Server::setIpBanned(const std::string &ip, const std::string &name)
- {
- m_banmanager->add(ip, name);
- }
- void Server::unsetIpBanned(const std::string &ip_or_name)
- {
- m_banmanager->remove(ip_or_name);
- }
- std::string Server::getBanDescription(const std::string &ip_or_name)
- {
- return m_banmanager->getBanDescription(ip_or_name);
- }
- void Server::notifyPlayer(const char *name, const std::wstring &msg)
- {
- Player *player = m_env->getPlayer(name);
- if(!player)
- return;
- if (player->peer_id == PEER_ID_INEXISTENT)
- return;
- SendChatMessage(player->peer_id, msg);
- }
- bool Server::showFormspec(const char *playername, const std::string &formspec, const std::string &formname)
- {
- Player *player = m_env->getPlayer(playername);
- if(!player)
- {
- infostream<<"showFormspec: couldn't find player:"<<playername<<std::endl;
- return false;
- }
- SendShowFormspecMessage(player->peer_id, formspec, formname);
- return true;
- }
- u32 Server::hudAdd(Player *player, HudElement *form) {
- if (!player)
- return -1;
-
- u32 id = player->addHud(form);
- SendHUDAdd(player->peer_id, id, form);
- return id;
- }
- bool Server::hudRemove(Player *player, u32 id) {
- if (!player)
- return false;
- HudElement* todel = player->removeHud(id);
- if (!todel)
- return false;
-
- delete todel;
- SendHUDRemove(player->peer_id, id);
- return true;
- }
- bool Server::hudChange(Player *player, u32 id, HudElementStat stat, void *data) {
- if (!player)
- return false;
- SendHUDChange(player->peer_id, id, stat, data);
- return true;
- }
- bool Server::hudSetFlags(Player *player, u32 flags, u32 mask) {
- if (!player)
- return false;
- SendHUDSetFlags(player->peer_id, flags, mask);
- player->hud_flags = flags;
-
- PlayerSAO* playersao = player->getPlayerSAO();
-
- if (playersao == NULL)
- return false;
- m_script->player_event(playersao, "hud_changed");
- return true;
- }
- bool Server::hudSetHotbarItemcount(Player *player, s32 hotbar_itemcount) {
- if (!player)
- return false;
- if (hotbar_itemcount <= 0 || hotbar_itemcount > HUD_HOTBAR_ITEMCOUNT_MAX)
- return false;
- std::ostringstream os(std::ios::binary);
- writeS32(os, hotbar_itemcount);
- SendHUDSetParam(player->peer_id, HUD_PARAM_HOTBAR_ITEMCOUNT, os.str());
- return true;
- }
- void Server::hudSetHotbarImage(Player *player, std::string name) {
- if (!player)
- return;
- SendHUDSetParam(player->peer_id, HUD_PARAM_HOTBAR_IMAGE, name);
- }
- void Server::hudSetHotbarSelectedImage(Player *player, std::string name) {
- if (!player)
- return;
- SendHUDSetParam(player->peer_id, HUD_PARAM_HOTBAR_SELECTED_IMAGE, name);
- }
- bool Server::setLocalPlayerAnimations(Player *player, v2s32 animation_frames[4], f32 frame_speed)
- {
- if (!player)
- return false;
- SendLocalPlayerAnimations(player->peer_id, animation_frames, frame_speed);
- return true;
- }
- bool Server::setPlayerEyeOffset(Player *player, v3f first, v3f third)
- {
- if (!player)
- return false;
- SendEyeOffset(player->peer_id, first, third);
- return true;
- }
- bool Server::setSky(Player *player, const video::SColor &bgcolor,
- const std::string &type, const std::vector<std::string> ¶ms)
- {
- if (!player)
- return false;
- SendSetSky(player->peer_id, bgcolor, type, params);
- return true;
- }
- bool Server::overrideDayNightRatio(Player *player, bool do_override,
- float ratio)
- {
- if (!player)
- return false;
- SendOverrideDayNightRatio(player->peer_id, do_override, ratio);
- return true;
- }
- void Server::notifyPlayers(const std::wstring &msg)
- {
- SendChatMessage(PEER_ID_INEXISTENT,msg);
- }
- void Server::spawnParticle(const char *playername, v3f pos,
- v3f velocity, v3f acceleration,
- float expirationtime, float size, bool
- collisiondetection, bool vertical, std::string texture)
- {
- Player *player = m_env->getPlayer(playername);
- if(!player)
- return;
- SendSpawnParticle(player->peer_id, pos, velocity, acceleration,
- expirationtime, size, collisiondetection, vertical, texture);
- }
- void Server::spawnParticleAll(v3f pos, v3f velocity, v3f acceleration,
- float expirationtime, float size,
- bool collisiondetection, bool vertical, std::string texture)
- {
- SendSpawnParticle(PEER_ID_INEXISTENT,pos, velocity, acceleration,
- expirationtime, size, collisiondetection, vertical, texture);
- }
- u32 Server::addParticleSpawner(const char *playername,
- u16 amount, float spawntime,
- v3f minpos, v3f maxpos,
- v3f minvel, v3f maxvel,
- v3f minacc, v3f maxacc,
- float minexptime, float maxexptime,
- float minsize, float maxsize,
- bool collisiondetection, bool vertical, std::string texture)
- {
- Player *player = m_env->getPlayer(playername);
- if(!player)
- return -1;
- u32 id = 0;
- for(;;) // look for unused particlespawner id
- {
- id++;
- if (std::find(m_particlespawner_ids.begin(),
- m_particlespawner_ids.end(), id)
- == m_particlespawner_ids.end())
- {
- m_particlespawner_ids.push_back(id);
- break;
- }
- }
- SendAddParticleSpawner(player->peer_id, amount, spawntime,
- minpos, maxpos, minvel, maxvel, minacc, maxacc,
- minexptime, maxexptime, minsize, maxsize,
- collisiondetection, vertical, texture, id);
- return id;
- }
- u32 Server::addParticleSpawnerAll(u16 amount, float spawntime,
- v3f minpos, v3f maxpos,
- v3f minvel, v3f maxvel,
- v3f minacc, v3f maxacc,
- float minexptime, float maxexptime,
- float minsize, float maxsize,
- bool collisiondetection, bool vertical, std::string texture)
- {
- u32 id = 0;
- for(;;) // look for unused particlespawner id
- {
- id++;
- if (std::find(m_particlespawner_ids.begin(),
- m_particlespawner_ids.end(), id)
- == m_particlespawner_ids.end())
- {
- m_particlespawner_ids.push_back(id);
- break;
- }
- }
- SendAddParticleSpawner(PEER_ID_INEXISTENT, amount, spawntime,
- minpos, maxpos, minvel, maxvel, minacc, maxacc,
- minexptime, maxexptime, minsize, maxsize,
- collisiondetection, vertical, texture, id);
- return id;
- }
- void Server::deleteParticleSpawner(const char *playername, u32 id)
- {
- Player *player = m_env->getPlayer(playername);
- if(!player)
- return;
- m_particlespawner_ids.erase(
- std::remove(m_particlespawner_ids.begin(),
- m_particlespawner_ids.end(), id),
- m_particlespawner_ids.end());
- SendDeleteParticleSpawner(player->peer_id, id);
- }
- void Server::deleteParticleSpawnerAll(u32 id)
- {
- m_particlespawner_ids.erase(
- std::remove(m_particlespawner_ids.begin(),
- m_particlespawner_ids.end(), id),
- m_particlespawner_ids.end());
- SendDeleteParticleSpawner(PEER_ID_INEXISTENT, id);
- }
- Inventory* Server::createDetachedInventory(const std::string &name)
- {
- if(m_detached_inventories.count(name) > 0){
- infostream<<"Server clearing detached inventory \""<<name<<"\""<<std::endl;
- delete m_detached_inventories[name];
- } else {
- infostream<<"Server creating detached inventory \""<<name<<"\""<<std::endl;
- }
- Inventory *inv = new Inventory(m_itemdef);
- assert(inv);
- m_detached_inventories[name] = inv;
- //TODO find a better way to do this
- sendDetachedInventory(name,PEER_ID_INEXISTENT);
- return inv;
- }
- class BoolScopeSet
- {
- public:
- BoolScopeSet(bool *dst, bool val):
- m_dst(dst)
- {
- m_orig_state = *m_dst;
- *m_dst = val;
- }
- ~BoolScopeSet()
- {
- *m_dst = m_orig_state;
- }
- private:
- bool *m_dst;
- bool m_orig_state;
- };
- // actions: time-reversed list
- // Return value: success/failure
- bool Server::rollbackRevertActions(const std::list<RollbackAction> &actions,
- std::list<std::string> *log)
- {
- infostream<<"Server::rollbackRevertActions(len="<<actions.size()<<")"<<std::endl;
- ServerMap *map = (ServerMap*)(&m_env->getMap());
- // Disable rollback report sink while reverting
- BoolScopeSet rollback_scope_disable(&m_rollback_sink_enabled, false);
- // Fail if no actions to handle
- if(actions.empty()){
- log->push_back("Nothing to do.");
- return false;
- }
- int num_tried = 0;
- int num_failed = 0;
- for(std::list<RollbackAction>::const_iterator
- i = actions.begin();
- i != actions.end(); i++)
- {
- const RollbackAction &action = *i;
- num_tried++;
- bool success = action.applyRevert(map, this, this);
- if(!success){
- num_failed++;
- std::ostringstream os;
- os<<"Revert of step ("<<num_tried<<") "<<action.toString()<<" failed";
- infostream<<"Map::rollbackRevertActions(): "<<os.str()<<std::endl;
- if(log)
- log->push_back(os.str());
- }else{
- std::ostringstream os;
- os<<"Successfully reverted step ("<<num_tried<<") "<<action.toString();
- infostream<<"Map::rollbackRevertActions(): "<<os.str()<<std::endl;
- if(log)
- log->push_back(os.str());
- }
- }
- infostream<<"Map::rollbackRevertActions(): "<<num_failed<<"/"<<num_tried
- <<" failed"<<std::endl;
- // Call it done if less than half failed
- return num_failed <= num_tried/2;
- }
- // IGameDef interface
- // Under envlock
- IItemDefManager* Server::getItemDefManager()
- {
- return m_itemdef;
- }
- INodeDefManager* Server::getNodeDefManager()
- {
- return m_nodedef;
- }
- ICraftDefManager* Server::getCraftDefManager()
- {
- return m_craftdef;
- }
- ITextureSource* Server::getTextureSource()
- {
- return NULL;
- }
- IShaderSource* Server::getShaderSource()
- {
- return NULL;
- }
- u16 Server::allocateUnknownNodeId(const std::string &name)
- {
- return m_nodedef->allocateDummy(name);
- }
- ISoundManager* Server::getSoundManager()
- {
- return &dummySoundManager;
- }
- MtEventManager* Server::getEventManager()
- {
- return m_event;
- }
- IRollbackReportSink* Server::getRollbackReportSink()
- {
- if(!m_enable_rollback_recording)
- return NULL;
- if(!m_rollback_sink_enabled)
- return NULL;
- return m_rollback;
- }
- IWritableItemDefManager* Server::getWritableItemDefManager()
- {
- return m_itemdef;
- }
- IWritableNodeDefManager* Server::getWritableNodeDefManager()
- {
- return m_nodedef;
- }
- IWritableCraftDefManager* Server::getWritableCraftDefManager()
- {
- return m_craftdef;
- }
- const ModSpec* Server::getModSpec(const std::string &modname)
- {
- for(std::vector<ModSpec>::iterator i = m_mods.begin();
- i != m_mods.end(); i++){
- const ModSpec &mod = *i;
- if(mod.name == modname)
- return &mod;
- }
- return NULL;
- }
- void Server::getModNames(std::list<std::string> &modlist)
- {
- for(std::vector<ModSpec>::iterator i = m_mods.begin(); i != m_mods.end(); i++)
- {
- modlist.push_back(i->name);
- }
- }
- std::string Server::getBuiltinLuaPath()
- {
- return porting::path_share + DIR_DELIM + "builtin";
- }
- v3f findSpawnPos(ServerMap &map)
- {
- //return v3f(50,50,50)*BS;
- v3s16 nodepos;
- #if 0
- nodepos = v2s16(0,0);
- groundheight = 20;
- #endif
- #if 1
- s16 water_level = map.getWaterLevel();
- // Try to find a good place a few times
- for(s32 i=0; i<1000; i++)
- {
- s32 range = 1 + i;
- // We're going to try to throw the player to this position
- v2s16 nodepos2d = v2s16(
- -range + (myrand() % (range * 2)),
- -range + (myrand() % (range * 2)));
- // Get ground height at point
- s16 groundheight = map.findGroundLevel(nodepos2d);
- if (groundheight <= water_level) // Don't go underwater
- continue;
- if (groundheight > water_level + 6) // Don't go to high places
- continue;
- nodepos = v3s16(nodepos2d.X, groundheight, nodepos2d.Y);
- bool is_good = false;
- s32 air_count = 0;
- for (s32 i = 0; i < 10; i++) {
- v3s16 blockpos = getNodeBlockPos(nodepos);
- map.emergeBlock(blockpos, true);
- content_t c = map.getNodeNoEx(nodepos).getContent();
- if (c == CONTENT_AIR || c == CONTENT_IGNORE) {
- air_count++;
- if (air_count >= 2){
- is_good = true;
- break;
- }
- }
- nodepos.Y++;
- }
- if(is_good){
- // Found a good place
- //infostream<<"Searched through "<<i<<" places."<<std::endl;
- break;
- }
- }
- #endif
- return intToFloat(nodepos, BS);
- }
- PlayerSAO* Server::emergePlayer(const char *name, u16 peer_id)
- {
- RemotePlayer *player = NULL;
- bool newplayer = false;
- /*
- Try to get an existing player
- */
- player = static_cast<RemotePlayer*>(m_env->getPlayer(name));
- // If player is already connected, cancel
- if(player != NULL && player->peer_id != 0)
- {
- infostream<<"emergePlayer(): Player already connected"<<std::endl;
- return NULL;
- }
- /*
- If player with the wanted peer_id already exists, cancel.
- */
- if(m_env->getPlayer(peer_id) != NULL)
- {
- infostream<<"emergePlayer(): Player with wrong name but same"
- " peer_id already exists"<<std::endl;
- return NULL;
- }
- // Load player if it isn't already loaded
- if (!player) {
- player = static_cast<RemotePlayer*>(m_env->loadPlayer(name));
- }
- // Create player if it doesn't exist
- if (!player) {
- newplayer = true;
- player = new RemotePlayer(this);
- player->updateName(name);
- /* Set player position */
- infostream<<"Server: Finding spawn place for player \""
- <<name<<"\""<<std::endl;
- v3f pos = findSpawnPos(m_env->getServerMap());
- player->setPosition(pos);
- /* Add player to environment */
- m_env->addPlayer(player);
- }
- // Create a new player active object
- PlayerSAO *playersao = new PlayerSAO(m_env, player, peer_id,
- getPlayerEffectivePrivs(player->getName()),
- isSingleplayer());
- /* Clean up old HUD elements from previous sessions */
- player->clearHud();
- /* Add object to environment */
- m_env->addActiveObject(playersao);
- /* Run scripts */
- if (newplayer) {
- m_script->on_newplayer(playersao);
- }
- return playersao;
- }
- void dedicated_server_loop(Server &server, bool &kill)
- {
- DSTACK(__FUNCTION_NAME);
- verbosestream<<"dedicated_server_loop()"<<std::endl;
- IntervalLimiter m_profiler_interval;
- for(;;)
- {
- float steplen = g_settings->getFloat("dedicated_server_step");
- // This is kind of a hack but can be done like this
- // because server.step() is very light
- {
- ScopeProfiler sp(g_profiler, "dedicated server sleep");
- sleep_ms((int)(steplen*1000.0));
- }
- server.step(steplen);
- if(server.getShutdownRequested() || kill)
- {
- infostream<<"Dedicated server quitting"<<std::endl;
- #if USE_CURL
- if(g_settings->getBool("server_announce") == true)
- ServerList::sendAnnounce("delete");
- #endif
- break;
- }
- /*
- Profiler
- */
- float profiler_print_interval =
- g_settings->getFloat("profiler_print_interval");
- if(profiler_print_interval != 0)
- {
- if(m_profiler_interval.step(steplen, profiler_print_interval))
- {
- infostream<<"Profiler:"<<std::endl;
- g_profiler->print(infostream);
- g_profiler->clear();
- }
- }
- }
- }
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