minetest.git - modified minetest for gpcfs purposes

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Diffstat (limited to 'src/script/lua_api/l_util.h')

0 files changed, 0 insertions, 0 deletions

/* Minetest Copyright (C) 2015 nerzhul, Loic Blot <loic.blot@unix-experience.fr> 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 "client.h" #include "util/base64.h" #include "clientmedia.h" #include "log.h" #include "map.h" #include "mapsector.h" #include "nodedef.h" #include "serialization.h" #include "server.h" #include "strfnd.h" #include "network/clientopcodes.h" #include "util/serialize.h" #include "util/srp.h" void Client::handleCommand_Deprecated(NetworkPacket* pkt) { infostream << "Got deprecated command " << toClientCommandTable[pkt->getCommand()].name << " from peer " << pkt->getPeerId() << "!" << std::endl; } void Client::handleCommand_Hello(NetworkPacket* pkt) { if (pkt->getSize() < 1) return; u8 serialization_ver; u16 proto_ver; u16 compression_mode; u32 auth_mechs; std::string username_legacy; // for case insensitivity *pkt >> serialization_ver >> compression_mode >> proto_ver >> auth_mechs >> username_legacy; // Chose an auth method we support AuthMechanism chosen_auth_mechanism = choseAuthMech(auth_mechs); infostream << "Client: TOCLIENT_HELLO received with " << "serialization_ver=" << (u32)serialization_ver << ", auth_mechs=" << auth_mechs << ", proto_ver=" << proto_ver << ", compression_mode=" << compression_mode << ". Doing auth with mech " << chosen_auth_mechanism << std::endl; if (!ser_ver_supported(serialization_ver)) { infostream << "Client: TOCLIENT_HELLO: Server sent " << "unsupported ser_fmt_ver"<< std::endl; return; } m_server_ser_ver = serialization_ver; m_proto_ver = proto_ver; //TODO verify that username_legacy matches sent username, only // differs in casing (make both uppercase and compare) // This is only neccessary though when we actually want to add casing support if (m_chosen_auth_mech != AUTH_MECHANISM_NONE) { // we recieved a TOCLIENT_HELLO while auth was already going on errorstream << "Client: TOCLIENT_HELLO while auth was already going on" << "(chosen_mech=" << m_chosen_auth_mech << ")." << std::endl; if ((m_chosen_auth_mech == AUTH_MECHANISM_SRP) || (m_chosen_auth_mech == AUTH_MECHANISM_LEGACY_PASSWORD)) { srp_user_delete((SRPUser *) m_auth_data); m_auth_data = 0; } } // Authenticate using that method, or abort if there wasn't any method found if (chosen_auth_mechanism != AUTH_MECHANISM_NONE) { startAuth(chosen_auth_mechanism); } else { m_chosen_auth_mech = AUTH_MECHANISM_NONE; m_access_denied = true; m_access_denied_reason = "Unknown"; m_con.Disconnect(); } } void Client::handleCommand_AuthAccept(NetworkPacket* pkt) { m_chosen_auth_mech = AUTH_MECHANISM_NONE; deleteAuthData(); v3f playerpos; *pkt >> playerpos >> m_map_seed >> m_recommended_send_interval >> m_sudo_auth_methods; playerpos -= v3f(0, BS / 2, 0); // Set player position Player *player = m_env.getLocalPlayer(); assert(player != NULL); player->setPosition(playerpos); infostream << "Client: received map seed: " << m_map_seed << std::endl; infostream << "Client: received recommended send interval " << m_recommended_send_interval<<std::endl; // Reply to server NetworkPacket resp_pkt(TOSERVER_INIT2, 0); Send(&resp_pkt); m_state = LC_Init; } void Client::handleCommand_AcceptSudoMode(NetworkPacket* pkt) { m_chosen_auth_mech = AUTH_MECHANISM_NONE; deleteAuthData(); m_password = m_new_password; verbosestream << "Client: Recieved TOCLIENT_ACCEPT_SUDO_MODE." << std::endl; // send packet to actually set the password startAuth(AUTH_MECHANISM_FIRST_SRP); // reset again m_chosen_auth_mech = AUTH_MECHANISM_NONE; } void Client::handleCommand_DenySudoMode(NetworkPacket* pkt) { m_chat_queue.push(L"Password change denied. Password NOT changed."); // reset everything and be sad deleteAuthData(); m_chosen_auth_mech = AUTH_MECHANISM_NONE; } void Client::handleCommand_InitLegacy(NetworkPacket* pkt) { if (pkt->getSize() < 1) return; u8 server_ser_ver; *pkt >> server_ser_ver; infostream << "Client: TOCLIENT_INIT_LEGACY received with " "server_ser_ver=" << ((int)server_ser_ver & 0xff) << std::endl; if (!ser_ver_supported(server_ser_ver)) { infostream << "Client: TOCLIENT_INIT_LEGACY: Server sent " << "unsupported ser_fmt_ver"<< std::endl; return; } m_server_ser_ver = server_ser_ver; // We can be totally wrong with this guess // but we only need some value < 25. m_proto_ver = 24; // Get player position v3s16 playerpos_s16(0, BS * 2 + BS * 20, 0); if (pkt->getSize() >= 1 + 6) { *pkt >> playerpos_s16; } v3f playerpos_f = intToFloat(playerpos_s16, BS) - v3f(0, BS / 2, 0); // Set player position Player *player = m_env.getLocalPlayer(); assert(player != NULL); player->setPosition(playerpos_f); if (pkt->getSize() >= 1 + 6 + 8) { // Get map seed *pkt >> m_map_seed; infostream << "Client: received map seed: " << m_map_seed << std::endl; } if (pkt->getSize() >= 1 + 6 + 8 + 4) { *pkt >> m_recommended_send_interval; infostream << "Client: received recommended send interval " << m_recommended_send_interval<<std::endl; } // Reply to server NetworkPacket resp_pkt(TOSERVER_INIT2, 0); Send(&resp_pkt); m_state = LC_Init; } void Client::handleCommand_AccessDenied(NetworkPacket* pkt) { // The server didn't like our password. Note, this needs // to be processed even if the serialisation format has // not been agreed yet, the same as TOCLIENT_INIT. m_access_denied = true; m_access_denied_reason = "Unknown"; if (pkt->getCommand() == TOCLIENT_ACCESS_DENIED) { if (pkt->getSize() < 1) return; u8 denyCode = SERVER_ACCESSDENIED_UNEXPECTED_DATA; *pkt >> denyCode; if (denyCode == SERVER_ACCESSDENIED_CUSTOM_STRING) { *pkt >> m_access_denied_reason; } else if (denyCode < SERVER_ACCESSDENIED_MAX) { m_access_denied_reason = accessDeniedStrings[denyCode]; } } // 13/03/15 Legacy code from 0.4.12 and lesser. must stay 1 year // for compat with old clients else { if (pkt->getSize() >= 2) { std::wstring wide_reason; *pkt >> wide_reason; m_access_denied_reason = wide_to_utf8(wide_reason); } } } void Client::handleCommand_RemoveNode(NetworkPacket* pkt) { if (pkt->getSize() < 6) return; v3s16 p; *pkt >> p; removeNode(p); } void Client::handleCommand_AddNode(NetworkPacket* pkt) { if (pkt->getSize() < 6 + MapNode::serializedLength(m_server_ser_ver)) return; v3s16 p; *pkt >> p; MapNode n; n.deSerialize(pkt->getU8Ptr(6), m_server_ser_ver); bool remove_metadata = true; u32 index = 6 + MapNode::serializedLength(m_server_ser_ver); if ((pkt->getSize() >= index + 1) && pkt->getU8(index)) { remove_metadata = false; } addNode(p, n, remove_metadata); } void Client::handleCommand_BlockData(NetworkPacket* pkt) { // Ignore too small packet if (pkt->getSize() < 6) return; v3s16 p; *pkt >> p; std::string datastring(pkt->getString(6), pkt->getSize() - 6); std::istringstream istr(datastring, std::ios_base::binary); MapSector *sector; MapBlock *block; v2s16 p2d(p.X, p.Z); sector = m_env.getMap().emergeSector(p2d); assert(sector->getPos() == p2d); block = sector->getBlockNoCreateNoEx(p.Y); if (block) { /* Update an existing block */ block->deSerialize(istr, m_server_ser_ver, false); block->deSerializeNetworkSpecific(istr); } else { /* Create a new block */ block = new MapBlock(&m_env.getMap(), p, this); block->deSerialize(istr, m_server_ser_ver, false); block->deSerializeNetworkSpecific(istr); sector->insertBlock(block); } if (m_localdb) { ServerMap::saveBlock(block, m_localdb); } /* Add it to mesh update queue and set it to be acknowledged after update. */ addUpdateMeshTaskWithEdge(p, true); } void Client::handleCommand_Inventory(NetworkPacket* pkt) { if (pkt->getSize() < 1) return; std::string datastring(pkt->getString(0), pkt->getSize()); std::istringstream is(datastring, std::ios_base::binary); Player *player = m_env.getLocalPlayer(); assert(player != NULL); player->inventory.deSerialize(is); m_inventory_updated = true; delete m_inventory_from_server; m_inventory_from_server = new Inventory(player->inventory); m_inventory_from_server_age = 0.0; } void Client::handleCommand_TimeOfDay(NetworkPacket* pkt) { if (pkt->getSize() < 2) return; u16 time_of_day; *pkt >> time_of_day; time_of_day = time_of_day % 24000; float time_speed = 0; if (pkt->getSize() >= 2 + 4) { *pkt >> time_speed; } else { // Old message; try to approximate speed of time by ourselves float time_of_day_f = (float)time_of_day / 24000.0; float tod_diff_f = 0; if (time_of_day_f < 0.2 && m_last_time_of_day_f > 0.8) tod_diff_f = time_of_day_f - m_last_time_of_day_f + 1.0; else tod_diff_f = time_of_day_f - m_last_time_of_day_f; m_last_time_of_day_f = time_of_day_f; float time_diff = m_time_of_day_update_timer; m_time_of_day_update_timer = 0; if (m_time_of_day_set) { time_speed = (3600.0 * 24.0) * tod_diff_f / time_diff; infostream << "Client: Measured time_of_day speed (old format): " << time_speed << " tod_diff_f=" << tod_diff_f << " time_diff=" << time_diff << std::endl; } } // Update environment m_env.setTimeOfDay(time_of_day); m_env.setTimeOfDaySpeed(time_speed); m_time_of_day_set = true; u32 dr = m_env.getDayNightRatio(); infostream << "Client: time_of_day=" << time_of_day << " time_speed=" << time_speed << " dr=" << dr << std::endl; } void Client::handleCommand_ChatMessage(NetworkPacket* pkt) { /* u16 command u16 length wstring message */ u16 len, read_wchar; *pkt >> len; std::wstring message; for (u32 i = 0; i < len; i++) { *pkt >> read_wchar; message += (wchar_t)read_wchar; } m_chat_queue.push(message); } void Client::handleCommand_ActiveObjectRemoveAdd(NetworkPacket* pkt) { /* u16 count of removed objects for all removed objects { u16 id } u16 count of added objects for all added objects { u16 id u8 type u32 initialization data length string initialization data } */ try { u8 type; u16 removed_count, added_count, id; // Read removed objects *pkt >> removed_count; for (u16 i = 0; i < removed_count; i++) { *pkt >> id; m_env.removeActiveObject(id); } // Read added objects *pkt >> added_count; for (u16 i = 0; i < added_count; i++) { *pkt >> id >> type; m_env.addActiveObject(id, type, pkt->readLongString()); } } catch (PacketError &e) { infostream << "handleCommand_ActiveObjectRemoveAdd: " << e.what() << ". The packet is unreliable, ignoring" << std::endl; } } void Client::handleCommand_ActiveObjectMessages(NetworkPacket* pkt) { /* for all objects { u16 id u16 message length string message } */ std::string datastring(pkt->getString(0), pkt->getSize()); std::istringstream is(datastring, std::ios_base::binary); try { while (is.good()) { u16 id = readU16(is); if (!is.good()) break; std::string message = deSerializeString(is); // Pass on to the environment m_env.processActiveObjectMessage(id, message); } } catch (SerializationError &e) { errorstream << "Client::handleCommand_ActiveObjectMessages: " << "caught SerializationError: " << e.what() << std::endl; } } void Client::handleCommand_Movement(NetworkPacket* pkt) { Player *player = m_env.getLocalPlayer(); assert(player != NULL); float mad, maa, maf, msw, mscr, msf, mscl, msj, lf, lfs, ls, g; *pkt >> mad >> maa >> maf >> msw >> mscr >> msf >> mscl >> msj >> lf >> lfs >> ls >> g; player->movement_acceleration_default = mad * BS; player->movement_acceleration_air = maa * BS; player->movement_acceleration_fast = maf * BS; player->movement_speed_walk = msw * BS; player->movement_speed_crouch = mscr * BS; player->movement_speed_fast = msf * BS; player->movement_speed_climb = mscl * BS; player->movement_speed_jump = msj * BS; player->movement_liquid_fluidity = lf * BS; player->movement_liquid_fluidity_smooth = lfs * BS; player->movement_liquid_sink = ls * BS; player->movement_gravity = g * BS; } void Client::handleCommand_HP(NetworkPacket* pkt) { Player *player = m_env.getLocalPlayer(); assert(player != NULL); u8 oldhp = player->hp; u8 hp; *pkt >> hp; player->hp = hp; if (hp < oldhp) { // Add to ClientEvent queue ClientEvent event; event.type = CE_PLAYER_DAMAGE; event.player_damage.amount = oldhp - hp; m_client_event_queue.push(event); } } void Client::handleCommand_Breath(NetworkPacket* pkt) { Player *player = m_env.getLocalPlayer(); assert(player != NULL); u16 breath; *pkt >> breath; player->setBreath(breath); } void Client::handleCommand_MovePlayer(NetworkPacket* pkt) { Player *player = m_env.getLocalPlayer(); assert(player != NULL); v3f pos; f32 pitch, yaw; *pkt >> pos >> pitch >> yaw; player->setPosition(pos); infostream << "Client got TOCLIENT_MOVE_PLAYER" << " pos=(" << pos.X << "," << pos.Y << "," << pos.Z << ")" << " pitch=" << pitch << " yaw=" << yaw << std::endl; /* Add to ClientEvent queue. This has to be sent to the main program because otherwise it would just force the pitch and yaw values to whatever the camera points to. */ ClientEvent event; event.type = CE_PLAYER_FORCE_MOVE; event.player_force_move.pitch = pitch; event.player_force_move.yaw = yaw; m_client_event_queue.push(event); // Ignore damage for a few seconds, so that the player doesn't // get damage from falling on ground m_ignore_damage_timer = 3.0; } void Client::handleCommand_PlayerItem(NetworkPacket* pkt) { infostream << "Client: WARNING: Ignoring TOCLIENT_PLAYERITEM" << std::endl; } void Client::handleCommand_DeathScreen(NetworkPacket* pkt) { bool set_camera_point_target; v3f camera_point_target; *pkt >> set_camera_point_target; *pkt >> camera_point_target; ClientEvent event; event.type = CE_DEATHSCREEN; event.deathscreen.set_camera_point_target = set_camera_point_target; event.deathscreen.camera_point_target_x = camera_point_target.X; event.deathscreen.camera_point_target_y = camera_point_target.Y; event.deathscreen.camera_point_target_z = camera_point_target.Z; m_client_event_queue.push(event); } void Client::handleCommand_AnnounceMedia(NetworkPacket* pkt) { u16 num_files; *pkt >> num_files; infostream << "Client: Received media announcement: packet size: " << pkt->getSize() << std::endl; if (m_media_downloader == NULL || m_media_downloader->isStarted()) { const char *problem = m_media_downloader ? "we already saw another announcement" : "all media has been received already"; errorstream << "Client: Received media announcement but " << problem << "! " << " files=" << num_files << " size=" << pkt->getSize() << std::endl; return; } // Mesh update thread must be stopped while // updating content definitions sanity_check(!m_mesh_update_thread.IsRunning()); for (u16 i = 0; i < num_files; i++) { std::string name, sha1_base64; *pkt >> name >> sha1_base64; std::string sha1_raw = base64_decode(sha1_base64); m_media_downloader->addFile(name, sha1_raw); } std::vector<std::string> remote_media; try { std::string str; *pkt >> str; Strfnd sf(str); while(!sf.atend()) { std::string baseurl = trim(sf.next(",")); if (baseurl != "") m_media_downloader->addRemoteServer(baseurl); } } catch(SerializationError& e) { // not supported by server or turned off } m_media_downloader->step(this); } void Client::handleCommand_Media(NetworkPacket* pkt) { /* u16 command u16 total number of file 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 } */ u16 num_bunches; u16 bunch_i; u32 num_files; *pkt >> num_bunches >> bunch_i >> num_files; infostream << "Client: Received files: bunch " << bunch_i << "/" << num_bunches << " files=" << num_files << " size=" << pkt->getSize() << std::endl; if (num_files == 0) return; if (m_media_downloader == NULL || !m_media_downloader->isStarted()) { const char *problem = m_media_downloader ? "media has not been requested" : "all media has been received already"; errorstream << "Client: Received media but " << problem << "! " << " bunch " << bunch_i << "/" << num_bunches << " files=" << num_files << " size=" << pkt->getSize() << std::endl; return; } // Mesh update thread must be stopped while // updating content definitions sanity_check(!m_mesh_update_thread.IsRunning()); for (u32 i=0; i < num_files; i++) { std::string name; *pkt >> name; std::string data = pkt->readLongString(); m_media_downloader->conventionalTransferDone( name, data, this); } } void Client::handleCommand_ToolDef(NetworkPacket* pkt) { infostream << "Client: WARNING: Ignoring TOCLIENT_TOOLDEF" << std::endl; } void Client::handleCommand_NodeDef(NetworkPacket* pkt) { infostream << "Client: Received node definitions: packet size: " << pkt->getSize() << std::endl; // Mesh update thread must be stopped while // updating content definitions sanity_check(!m_mesh_update_thread.IsRunning()); // Decompress node definitions std::string datastring(pkt->getString(0), pkt->getSize()); std::istringstream is(datastring, std::ios_base::binary); std::istringstream tmp_is(deSerializeLongString(is), std::ios::binary); std::ostringstream tmp_os; decompressZlib(tmp_is, tmp_os); // Deserialize node definitions std::istringstream tmp_is2(tmp_os.str()); m_nodedef->deSerialize(tmp_is2); m_nodedef_received = true; } void Client::handleCommand_CraftItemDef(NetworkPacket* pkt) { infostream << "Client: WARNING: Ignoring TOCLIENT_CRAFTITEMDEF" << std::endl; } void Client::handleCommand_ItemDef(NetworkPacket* pkt) { infostream << "Client: Received item definitions: packet size: " << pkt->getSize() << std::endl; // Mesh update thread must be stopped while // updating content definitions sanity_check(!m_mesh_update_thread.IsRunning()); // Decompress item definitions std::string datastring(pkt->getString(0), pkt->getSize()); std::istringstream is(datastring, std::ios_base::binary); std::istringstream tmp_is(deSerializeLongString(is), std::ios::binary); std::ostringstream tmp_os; decompressZlib(tmp_is, tmp_os); // Deserialize node definitions std::istringstream tmp_is2(tmp_os.str()); m_itemdef->deSerialize(tmp_is2); m_itemdef_received = true; } void Client::handleCommand_PlaySound(NetworkPacket* pkt) { s32 server_id; std::string name; float gain; u8 type; // 0=local, 1=positional, 2=object v3f pos; u16 object_id; bool loop; *pkt >> server_id >> name >> gain >> type >> pos >> object_id >> loop; // Start playing int client_id = -1; switch(type) { case 0: // local client_id = m_sound->playSound(name, loop, gain); break; case 1: // positional client_id = m_sound->playSoundAt(name, loop, gain, pos); break; case 2: { // object ClientActiveObject *cao = m_env.getActiveObject(object_id); if (cao) pos = cao->getPosition(); client_id = m_sound->playSoundAt(name, loop, gain, pos); // TODO: Set up sound to move with object break; } default: break; } if (client_id != -1) { m_sounds_server_to_client[server_id] = client_id; m_sounds_client_to_server[client_id] = server_id; if (object_id != 0) m_sounds_to_objects[client_id] = object_id; } } void Client::handleCommand_StopSound(NetworkPacket* pkt) { s32 server_id; *pkt >> server_id; std::map<s32, int>::iterator i = m_sounds_server_to_client.find(server_id); if (i != m_sounds_server_to_client.end()) { int client_id = i->second; m_sound->stopSound(client_id); } } void Client::handleCommand_Privileges(NetworkPacket* pkt) { m_privileges.clear(); infostream << "Client: Privileges updated: "; u16 num_privileges; *pkt >> num_privileges; for (u16 i = 0; i < num_privileges; i++) { std::string priv; *pkt >> priv; m_privileges.insert(priv); infostream << priv << " "; } infostream << std::endl; } void Client::handleCommand_InventoryFormSpec(NetworkPacket* pkt) { Player *player = m_env.getLocalPlayer(); assert(player != NULL); // Store formspec in LocalPlayer player->inventory_formspec = pkt->readLongString(); } void Client::handleCommand_DetachedInventory(NetworkPacket* pkt) { std::string datastring(pkt->getString(0), pkt->getSize()); std::istringstream is(datastring, std::ios_base::binary); std::string name = deSerializeString(is); infostream << "Client: Detached inventory update: \"" << name << "\"" << std::endl; Inventory *inv = NULL; if (m_detached_inventories.count(name) > 0) inv = m_detached_inventories[name]; else { inv = new Inventory(m_itemdef); m_detached_inventories[name] = inv; } inv->deSerialize(is); } void Client::handleCommand_ShowFormSpec(NetworkPacket* pkt) { std::string formspec = pkt->readLongString(); std::string formname; *pkt >> formname; ClientEvent event; event.type = CE_SHOW_FORMSPEC; // pointer is required as event is a struct only! // adding a std:string to a struct isn't possible event.show_formspec.formspec = new std::string(formspec); event.show_formspec.formname = new std::string(formname); m_client_event_queue.push(event); } void Client::handleCommand_SpawnParticle(NetworkPacket* pkt) { std::string datastring(pkt->getString(0), pkt->getSize()); std::istringstream is(datastring, std::ios_base::binary); v3f pos = readV3F1000(is); v3f vel = readV3F1000(is); v3f acc = readV3F1000(is); float expirationtime = readF1000(is); float size = readF1000(is); bool collisiondetection = readU8(is); std::string texture = deSerializeLongString(is); bool vertical = false; try { vertical = readU8(is); } catch (...) {} ClientEvent event; event.type = CE_SPAWN_PARTICLE; event.spawn_particle.pos = new v3f (pos); event.spawn_particle.vel = new v3f (vel); event.spawn_particle.acc = new v3f (acc); event.spawn_particle.expirationtime = expirationtime; event.spawn_particle.size = size; event.spawn_particle.collisiondetection = collisiondetection; event.spawn_particle.vertical = vertical; event.spawn_particle.texture = new std::string(texture); m_client_event_queue.push(event); } void Client::handleCommand_AddParticleSpawner(NetworkPacket* pkt) { 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; u32 id; *pkt >> amount >> spawntime >> minpos >> maxpos >> minvel >> maxvel >> minacc >> maxacc >> minexptime >> maxexptime >> minsize >> maxsize >> collisiondetection; std::string texture = pkt->readLongString(); *pkt >> id; bool vertical = false; try { *pkt >> vertical; } catch (...) {} ClientEvent event; event.type = CE_ADD_PARTICLESPAWNER; event.add_particlespawner.amount = amount; event.add_particlespawner.spawntime = spawntime; event.add_particlespawner.minpos = new v3f (minpos); event.add_particlespawner.maxpos = new v3f (maxpos); event.add_particlespawner.minvel = new v3f (minvel); event.add_particlespawner.maxvel = new v3f (maxvel); event.add_particlespawner.minacc = new v3f (minacc); event.add_particlespawner.maxacc = new v3f (maxacc); event.add_particlespawner.minexptime = minexptime; event.add_particlespawner.maxexptime = maxexptime; event.add_particlespawner.minsize = minsize; event.add_particlespawner.maxsize = maxsize; event.add_particlespawner.collisiondetection = collisiondetection; event.add_particlespawner.vertical = vertical; event.add_particlespawner.texture = new std::string(texture); event.add_particlespawner.id = id; m_client_event_queue.push(event); } void Client::handleCommand_DeleteParticleSpawner(NetworkPacket* pkt) { u16 legacy_id; u32 id; // Modification set 13/03/15, 1 year of compat for protocol v24 if (pkt->getCommand() == TOCLIENT_DELETE_PARTICLESPAWNER_LEGACY) { *pkt >> legacy_id; } else { *pkt >> id; } ClientEvent event; event.type = CE_DELETE_PARTICLESPAWNER; event.delete_particlespawner.id = (pkt->getCommand() == TOCLIENT_DELETE_PARTICLESPAWNER_LEGACY ? (u32) legacy_id : id); m_client_event_queue.push(event); } void Client::handleCommand_HudAdd(NetworkPacket* pkt) { std::string datastring(pkt->getString(0), pkt->getSize()); std::istringstream is(datastring, std::ios_base::binary); u32 id; u8 type; v2f pos; std::string name; v2f scale; std::string text; u32 number; u32 item; u32 dir; v2f align; v2f offset; v3f world_pos; v2s32 size; *pkt >> id >> type >> pos >> name >> scale >> text >> number >> item >> dir >> align >> offset; try { *pkt >> world_pos; } catch(SerializationError &e) {}; try { *pkt >> size; } catch(SerializationError &e) {}; ClientEvent event; event.type = CE_HUDADD; event.hudadd.id = id; event.hudadd.type = type; event.hudadd.pos = new v2f(pos); event.hudadd.name = new std::string(name); event.hudadd.scale = new v2f(scale); event.hudadd.text = new std::string(text); event.hudadd.number = number; event.hudadd.item = item; event.hudadd.dir = dir; event.hudadd.align = new v2f(align); event.hudadd.offset = new v2f(offset); event.hudadd.world_pos = new v3f(world_pos); event.hudadd.size = new v2s32(size); m_client_event_queue.push(event); } void Client::handleCommand_HudRemove(NetworkPacket* pkt) { u32 id; *pkt >> id; ClientEvent event; event.type = CE_HUDRM; event.hudrm.id = id; m_client_event_queue.push(event); } void Client::handleCommand_HudChange(NetworkPacket* pkt) { std::string sdata; v2f v2fdata; v3f v3fdata; u32 intdata = 0; v2s32 v2s32data; u32 id; u8 stat; *pkt >> id >> stat; if (stat == HUD_STAT_POS || stat == HUD_STAT_SCALE || stat == HUD_STAT_ALIGN || stat == HUD_STAT_OFFSET) *pkt >> v2fdata; else if (stat == HUD_STAT_NAME || stat == HUD_STAT_TEXT) *pkt >> sdata; else if (stat == HUD_STAT_WORLD_POS) *pkt >> v3fdata; else if (stat == HUD_STAT_SIZE ) *pkt >> v2s32data; else *pkt >> intdata; ClientEvent event; event.type = CE_HUDCHANGE; event.hudchange.id = id; event.hudchange.stat = (HudElementStat)stat; event.hudchange.v2fdata = new v2f(v2fdata); event.hudchange.v3fdata = new v3f(v3fdata); event.hudchange.sdata = new std::string(sdata); event.hudchange.data = intdata; event.hudchange.v2s32data = new v2s32(v2s32data); m_client_event_queue.push(event); } void Client::handleCommand_HudSetFlags(NetworkPacket* pkt) { u32 flags, mask; *pkt >> flags >> mask; Player *player = m_env.getLocalPlayer(); assert(player != NULL); player->hud_flags &= ~mask; player->hud_flags |= flags; } void Client::handleCommand_HudSetParam(NetworkPacket* pkt) { u16 param; std::string value; *pkt >> param >> value; Player *player = m_env.getLocalPlayer(); assert(player != NULL); if (param == HUD_PARAM_HOTBAR_ITEMCOUNT && value.size() == 4) { s32 hotbar_itemcount = readS32((u8*) value.c_str()); if (hotbar_itemcount > 0 && hotbar_itemcount <= HUD_HOTBAR_ITEMCOUNT_MAX) player->hud_hotbar_itemcount = hotbar_itemcount; } else if (param == HUD_PARAM_HOTBAR_IMAGE) { ((LocalPlayer *) player)->hotbar_image = value; } else if (param == HUD_PARAM_HOTBAR_SELECTED_IMAGE) { ((LocalPlayer *) player)->hotbar_selected_image = value; } } void Client::handleCommand_HudSetSky(NetworkPacket* pkt) { std::string datastring(pkt->getString(0), pkt->getSize()); std::istringstream is(datastring, std::ios_base::binary); video::SColor *bgcolor = new video::SColor(readARGB8(is)); std::string *type = new std::string(deSerializeString(is)); u16 count = readU16(is); std::vector<std::string> *params = new std::vector<std::string>; for (size_t i = 0; i < count; i++) params->push_back(deSerializeString(is)); ClientEvent event; event.type = CE_SET_SKY; event.set_sky.bgcolor = bgcolor; event.set_sky.type = type; event.set_sky.params = params; m_client_event_queue.push(event); } void Client::handleCommand_OverrideDayNightRatio(NetworkPacket* pkt) { bool do_override; u16 day_night_ratio_u; *pkt >> do_override >> day_night_ratio_u; float day_night_ratio_f = (float)day_night_ratio_u / 65536; ClientEvent event; event.type = CE_OVERRIDE_DAY_NIGHT_RATIO; event.override_day_night_ratio.do_override = do_override; event.override_day_night_ratio.ratio_f = day_night_ratio_f; m_client_event_queue.push(event); } void Client::handleCommand_LocalPlayerAnimations(NetworkPacket* pkt) { LocalPlayer *player = m_env.getLocalPlayer(); assert(player != NULL); *pkt >> player->local_animations[0]; *pkt >> player->local_animations[1]; *pkt >> player->local_animations[2]; *pkt >> player->local_animations[3]; *pkt >> player->local_animation_speed; } void Client::handleCommand_EyeOffset(NetworkPacket* pkt) { LocalPlayer *player = m_env.getLocalPlayer(); assert(player != NULL); *pkt >> player->eye_offset_first >> player->eye_offset_third; } void Client::handleCommand_SrpBytesSandB(NetworkPacket* pkt) { if ((m_chosen_auth_mech != AUTH_MECHANISM_LEGACY_PASSWORD) && (m_chosen_auth_mech != AUTH_MECHANISM_SRP)) { errorstream << "Client: Recieved SRP S_B login message," << " but wasn't supposed to (chosen_mech=" << m_chosen_auth_mech << ")." << std::endl; return; } char *bytes_M = 0; size_t len_M = 0; SRPUser *usr = (SRPUser *) m_auth_data; std::string s; std::string B; *pkt >> s >> B; infostream << "Client: Recieved TOCLIENT_SRP_BYTES_S_B." << std::endl; srp_user_process_challenge(usr, (const unsigned char *) s.c_str(), s.size(), (const unsigned char *) B.c_str(), B.size(), (unsigned char **) &bytes_M, &len_M); if ( !bytes_M ) { errorstream << "Client: SRP-6a S_B safety check violation!" << std::endl; return; } NetworkPacket resp_pkt(TOSERVER_SRP_BYTES_M, 0); resp_pkt << std::string(bytes_M, len_M);


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