3 Copyright (C) 2015 nerzhul, Loic Blot <loic.blot@unix-experience.fr>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 #include "util/base64.h"
23 #include "clientmedia.h"
26 #include "mapsector.h"
29 #include "serialization.h"
31 #include "util/strfnd.h"
32 #include "network/clientopcodes.h"
33 #include "script/clientscripting.h"
34 #include "util/serialize.h"
36 #include "tileanimation.h"
38 void Client::handleCommand_Deprecated(NetworkPacket* pkt)
40 infostream << "Got deprecated command "
41 << toClientCommandTable[pkt->getCommand()].name << " from peer "
42 << pkt->getPeerId() << "!" << std::endl;
45 void Client::handleCommand_Hello(NetworkPacket* pkt)
47 if (pkt->getSize() < 1)
54 std::string username_legacy; // for case insensitivity
55 *pkt >> serialization_ver >> compression_mode >> proto_ver
56 >> auth_mechs >> username_legacy;
58 // Chose an auth method we support
59 AuthMechanism chosen_auth_mechanism = choseAuthMech(auth_mechs);
61 infostream << "Client: TOCLIENT_HELLO received with "
62 << "serialization_ver=" << (u32)serialization_ver
63 << ", auth_mechs=" << auth_mechs
64 << ", proto_ver=" << proto_ver
65 << ", compression_mode=" << compression_mode
66 << ". Doing auth with mech " << chosen_auth_mechanism << std::endl;
68 if (!ser_ver_supported(serialization_ver)) {
69 infostream << "Client: TOCLIENT_HELLO: Server sent "
70 << "unsupported ser_fmt_ver"<< std::endl;
74 m_server_ser_ver = serialization_ver;
75 m_proto_ver = proto_ver;
77 //TODO verify that username_legacy matches sent username, only
78 // differs in casing (make both uppercase and compare)
79 // This is only neccessary though when we actually want to add casing support
81 if (m_chosen_auth_mech != AUTH_MECHANISM_NONE) {
82 // we recieved a TOCLIENT_HELLO while auth was already going on
83 errorstream << "Client: TOCLIENT_HELLO while auth was already going on"
84 << "(chosen_mech=" << m_chosen_auth_mech << ")." << std::endl;
85 if ((m_chosen_auth_mech == AUTH_MECHANISM_SRP)
86 || (m_chosen_auth_mech == AUTH_MECHANISM_LEGACY_PASSWORD)) {
87 srp_user_delete((SRPUser *) m_auth_data);
92 // Authenticate using that method, or abort if there wasn't any method found
93 if (chosen_auth_mechanism != AUTH_MECHANISM_NONE) {
94 startAuth(chosen_auth_mechanism);
96 m_chosen_auth_mech = AUTH_MECHANISM_NONE;
97 m_access_denied = true;
98 m_access_denied_reason = "Unknown";
104 void Client::handleCommand_AuthAccept(NetworkPacket* pkt)
109 *pkt >> playerpos >> m_map_seed >> m_recommended_send_interval
110 >> m_sudo_auth_methods;
112 playerpos -= v3f(0, BS / 2, 0);
114 // Set player position
115 LocalPlayer *player = m_env.getLocalPlayer();
116 assert(player != NULL);
117 player->setPosition(playerpos);
119 infostream << "Client: received map seed: " << m_map_seed << std::endl;
120 infostream << "Client: received recommended send interval "
121 << m_recommended_send_interval<<std::endl;
124 NetworkPacket resp_pkt(TOSERVER_INIT2, 0);
129 void Client::handleCommand_AcceptSudoMode(NetworkPacket* pkt)
133 m_password = m_new_password;
135 verbosestream << "Client: Recieved TOCLIENT_ACCEPT_SUDO_MODE." << std::endl;
137 // send packet to actually set the password
138 startAuth(AUTH_MECHANISM_FIRST_SRP);
141 m_chosen_auth_mech = AUTH_MECHANISM_NONE;
143 void Client::handleCommand_DenySudoMode(NetworkPacket* pkt)
145 pushToChatQueue(L"Password change denied. Password NOT changed.");
146 // reset everything and be sad
149 void Client::handleCommand_InitLegacy(NetworkPacket* pkt)
151 if (pkt->getSize() < 1)
155 *pkt >> server_ser_ver;
157 infostream << "Client: TOCLIENT_INIT_LEGACY received with "
158 "server_ser_ver=" << ((int)server_ser_ver & 0xff) << std::endl;
160 if (!ser_ver_supported(server_ser_ver)) {
161 infostream << "Client: TOCLIENT_INIT_LEGACY: Server sent "
162 << "unsupported ser_fmt_ver"<< std::endl;
166 m_server_ser_ver = server_ser_ver;
168 // We can be totally wrong with this guess
169 // but we only need some value < 25.
172 // Get player position
173 v3s16 playerpos_s16(0, BS * 2 + BS * 20, 0);
174 if (pkt->getSize() >= 1 + 6) {
175 *pkt >> playerpos_s16;
177 v3f playerpos_f = intToFloat(playerpos_s16, BS) - v3f(0, BS / 2, 0);
180 // Set player position
181 LocalPlayer *player = m_env.getLocalPlayer();
182 assert(player != NULL);
183 player->setPosition(playerpos_f);
185 if (pkt->getSize() >= 1 + 6 + 8) {
188 infostream << "Client: received map seed: " << m_map_seed << std::endl;
191 if (pkt->getSize() >= 1 + 6 + 8 + 4) {
192 *pkt >> m_recommended_send_interval;
193 infostream << "Client: received recommended send interval "
194 << m_recommended_send_interval<<std::endl;
198 NetworkPacket resp_pkt(TOSERVER_INIT2, 0);
204 void Client::handleCommand_AccessDenied(NetworkPacket* pkt)
206 // The server didn't like our password. Note, this needs
207 // to be processed even if the serialisation format has
208 // not been agreed yet, the same as TOCLIENT_INIT.
209 m_access_denied = true;
210 m_access_denied_reason = "Unknown";
212 if (pkt->getCommand() == TOCLIENT_ACCESS_DENIED) {
213 if (pkt->getSize() < 1)
216 u8 denyCode = SERVER_ACCESSDENIED_UNEXPECTED_DATA;
218 if (denyCode == SERVER_ACCESSDENIED_SHUTDOWN ||
219 denyCode == SERVER_ACCESSDENIED_CRASH) {
220 *pkt >> m_access_denied_reason;
221 if (m_access_denied_reason == "") {
222 m_access_denied_reason = accessDeniedStrings[denyCode];
226 m_access_denied_reconnect = reconnect & 1;
227 } else if (denyCode == SERVER_ACCESSDENIED_CUSTOM_STRING) {
228 *pkt >> m_access_denied_reason;
229 } else if (denyCode < SERVER_ACCESSDENIED_MAX) {
230 m_access_denied_reason = accessDeniedStrings[denyCode];
232 // Allow us to add new error messages to the
233 // protocol without raising the protocol version, if we want to.
234 // Until then (which may be never), this is outside
235 // of the defined protocol.
236 *pkt >> m_access_denied_reason;
237 if (m_access_denied_reason == "") {
238 m_access_denied_reason = "Unknown";
242 // 13/03/15 Legacy code from 0.4.12 and lesser. must stay 1 year
243 // for compat with old clients
245 if (pkt->getSize() >= 2) {
246 std::wstring wide_reason;
248 m_access_denied_reason = wide_to_utf8(wide_reason);
253 void Client::handleCommand_RemoveNode(NetworkPacket* pkt)
255 if (pkt->getSize() < 6)
263 void Client::handleCommand_AddNode(NetworkPacket* pkt)
265 if (pkt->getSize() < 6 + MapNode::serializedLength(m_server_ser_ver))
272 n.deSerialize(pkt->getU8Ptr(6), m_server_ser_ver);
274 bool remove_metadata = true;
275 u32 index = 6 + MapNode::serializedLength(m_server_ser_ver);
276 if ((pkt->getSize() >= index + 1) && pkt->getU8(index)) {
277 remove_metadata = false;
280 addNode(p, n, remove_metadata);
282 void Client::handleCommand_BlockData(NetworkPacket* pkt)
284 // Ignore too small packet
285 if (pkt->getSize() < 6)
291 std::string datastring(pkt->getString(6), pkt->getSize() - 6);
292 std::istringstream istr(datastring, std::ios_base::binary);
298 sector = m_env.getMap().emergeSector(p2d);
300 assert(sector->getPos() == p2d);
302 block = sector->getBlockNoCreateNoEx(p.Y);
305 Update an existing block
307 block->deSerialize(istr, m_server_ser_ver, false);
308 block->deSerializeNetworkSpecific(istr);
314 block = new MapBlock(&m_env.getMap(), p, this);
315 block->deSerialize(istr, m_server_ser_ver, false);
316 block->deSerializeNetworkSpecific(istr);
317 sector->insertBlock(block);
321 ServerMap::saveBlock(block, m_localdb);
325 Add it to mesh update queue and set it to be acknowledged after update.
327 addUpdateMeshTaskWithEdge(p, true);
330 void Client::handleCommand_Inventory(NetworkPacket* pkt)
332 if (pkt->getSize() < 1)
335 std::string datastring(pkt->getString(0), pkt->getSize());
336 std::istringstream is(datastring, std::ios_base::binary);
338 LocalPlayer *player = m_env.getLocalPlayer();
339 assert(player != NULL);
341 player->inventory.deSerialize(is);
343 m_inventory_updated = true;
345 delete m_inventory_from_server;
346 m_inventory_from_server = new Inventory(player->inventory);
347 m_inventory_from_server_age = 0.0;
350 void Client::handleCommand_TimeOfDay(NetworkPacket* pkt)
352 if (pkt->getSize() < 2)
359 time_of_day = time_of_day % 24000;
360 float time_speed = 0;
362 if (pkt->getSize() >= 2 + 4) {
366 // Old message; try to approximate speed of time by ourselves
367 float time_of_day_f = (float)time_of_day / 24000.0;
368 float tod_diff_f = 0;
370 if (time_of_day_f < 0.2 && m_last_time_of_day_f > 0.8)
371 tod_diff_f = time_of_day_f - m_last_time_of_day_f + 1.0;
373 tod_diff_f = time_of_day_f - m_last_time_of_day_f;
375 m_last_time_of_day_f = time_of_day_f;
376 float time_diff = m_time_of_day_update_timer;
377 m_time_of_day_update_timer = 0;
379 if (m_time_of_day_set) {
380 time_speed = (3600.0 * 24.0) * tod_diff_f / time_diff;
381 infostream << "Client: Measured time_of_day speed (old format): "
382 << time_speed << " tod_diff_f=" << tod_diff_f
383 << " time_diff=" << time_diff << std::endl;
387 // Update environment
388 m_env.setTimeOfDay(time_of_day);
389 m_env.setTimeOfDaySpeed(time_speed);
390 m_time_of_day_set = true;
392 u32 dr = m_env.getDayNightRatio();
393 infostream << "Client: time_of_day=" << time_of_day
394 << " time_speed=" << time_speed
395 << " dr=" << dr << std::endl;
398 void Client::handleCommand_ChatMessage(NetworkPacket* pkt)
409 std::wstring message;
410 for (u32 i = 0; i < len; i++) {
412 message += (wchar_t)read_wchar;
415 // If chat message not consummed by client lua API
416 if (!moddingEnabled() || !m_script->on_receiving_message(wide_to_utf8(message))) {
417 pushToChatQueue(message);
421 void Client::handleCommand_ActiveObjectRemoveAdd(NetworkPacket* pkt)
424 u16 count of removed objects
425 for all removed objects {
428 u16 count of added objects
429 for all added objects {
432 u32 initialization data length
433 string initialization data
439 u16 removed_count, added_count, id;
441 // Read removed objects
442 *pkt >> removed_count;
444 for (u16 i = 0; i < removed_count; i++) {
446 m_env.removeActiveObject(id);
449 // Read added objects
452 for (u16 i = 0; i < added_count; i++) {
454 m_env.addActiveObject(id, type, pkt->readLongString());
456 } catch (PacketError &e) {
457 infostream << "handleCommand_ActiveObjectRemoveAdd: " << e.what()
458 << ". The packet is unreliable, ignoring" << std::endl;
462 void Client::handleCommand_ActiveObjectMessages(NetworkPacket* pkt)
472 std::string datastring(pkt->getString(0), pkt->getSize());
473 std::istringstream is(datastring, std::ios_base::binary);
477 u16 id = readU16(is);
481 std::string message = deSerializeString(is);
483 // Pass on to the environment
484 m_env.processActiveObjectMessage(id, message);
486 } catch (SerializationError &e) {
487 errorstream << "Client::handleCommand_ActiveObjectMessages: "
488 << "caught SerializationError: " << e.what() << std::endl;
492 void Client::handleCommand_Movement(NetworkPacket* pkt)
494 LocalPlayer *player = m_env.getLocalPlayer();
495 assert(player != NULL);
497 float mad, maa, maf, msw, mscr, msf, mscl, msj, lf, lfs, ls, g;
499 *pkt >> mad >> maa >> maf >> msw >> mscr >> msf >> mscl >> msj
500 >> lf >> lfs >> ls >> g;
502 player->movement_acceleration_default = mad * BS;
503 player->movement_acceleration_air = maa * BS;
504 player->movement_acceleration_fast = maf * BS;
505 player->movement_speed_walk = msw * BS;
506 player->movement_speed_crouch = mscr * BS;
507 player->movement_speed_fast = msf * BS;
508 player->movement_speed_climb = mscl * BS;
509 player->movement_speed_jump = msj * BS;
510 player->movement_liquid_fluidity = lf * BS;
511 player->movement_liquid_fluidity_smooth = lfs * BS;
512 player->movement_liquid_sink = ls * BS;
513 player->movement_gravity = g * BS;
516 void Client::handleCommand_HP(NetworkPacket* pkt)
519 LocalPlayer *player = m_env.getLocalPlayer();
520 assert(player != NULL);
522 u8 oldhp = player->hp;
529 if (moddingEnabled()) {
530 m_script->on_hp_modification(hp);
534 // Add to ClientEvent queue
536 event.type = CE_PLAYER_DAMAGE;
537 event.player_damage.amount = oldhp - hp;
538 m_client_event_queue.push(event);
542 void Client::handleCommand_Breath(NetworkPacket* pkt)
544 LocalPlayer *player = m_env.getLocalPlayer();
545 assert(player != NULL);
551 player->setBreath(breath);
554 void Client::handleCommand_MovePlayer(NetworkPacket* pkt)
556 LocalPlayer *player = m_env.getLocalPlayer();
557 assert(player != NULL);
562 *pkt >> pos >> pitch >> yaw;
564 player->got_teleported = true;
565 player->setPosition(pos);
567 infostream << "Client got TOCLIENT_MOVE_PLAYER"
568 << " pos=(" << pos.X << "," << pos.Y << "," << pos.Z << ")"
569 << " pitch=" << pitch
574 Add to ClientEvent queue.
575 This has to be sent to the main program because otherwise
576 it would just force the pitch and yaw values to whatever
577 the camera points to.
580 event.type = CE_PLAYER_FORCE_MOVE;
581 event.player_force_move.pitch = pitch;
582 event.player_force_move.yaw = yaw;
583 m_client_event_queue.push(event);
585 // Ignore damage for a few seconds, so that the player doesn't
586 // get damage from falling on ground
587 m_ignore_damage_timer = 3.0;
590 void Client::handleCommand_PlayerItem(NetworkPacket* pkt)
592 warningstream << "Client: Ignoring TOCLIENT_PLAYERITEM" << std::endl;
595 void Client::handleCommand_DeathScreen(NetworkPacket* pkt)
597 bool set_camera_point_target;
598 v3f camera_point_target;
600 *pkt >> set_camera_point_target;
601 *pkt >> camera_point_target;
604 event.type = CE_DEATHSCREEN;
605 event.deathscreen.set_camera_point_target = set_camera_point_target;
606 event.deathscreen.camera_point_target_x = camera_point_target.X;
607 event.deathscreen.camera_point_target_y = camera_point_target.Y;
608 event.deathscreen.camera_point_target_z = camera_point_target.Z;
609 m_client_event_queue.push(event);
612 void Client::handleCommand_AnnounceMedia(NetworkPacket* pkt)
618 infostream << "Client: Received media announcement: packet size: "
619 << pkt->getSize() << std::endl;
621 if (m_media_downloader == NULL ||
622 m_media_downloader->isStarted()) {
623 const char *problem = m_media_downloader ?
624 "we already saw another announcement" :
625 "all media has been received already";
626 errorstream << "Client: Received media announcement but "
628 << " files=" << num_files
629 << " size=" << pkt->getSize() << std::endl;
633 // Mesh update thread must be stopped while
634 // updating content definitions
635 sanity_check(!m_mesh_update_thread.isRunning());
637 for (u16 i = 0; i < num_files; i++) {
638 std::string name, sha1_base64;
640 *pkt >> name >> sha1_base64;
642 std::string sha1_raw = base64_decode(sha1_base64);
643 m_media_downloader->addFile(name, sha1_raw);
652 while(!sf.at_end()) {
653 std::string baseurl = trim(sf.next(","));
655 m_media_downloader->addRemoteServer(baseurl);
658 catch(SerializationError& e) {
659 // not supported by server or turned off
662 m_media_downloader->step(this);
665 void Client::handleCommand_Media(NetworkPacket* pkt)
669 u16 total number of file bunches
670 u16 index of this bunch
671 u32 number of files in this bunch
683 *pkt >> num_bunches >> bunch_i >> num_files;
685 infostream << "Client: Received files: bunch " << bunch_i << "/"
686 << num_bunches << " files=" << num_files
687 << " size=" << pkt->getSize() << std::endl;
692 if (m_media_downloader == NULL ||
693 !m_media_downloader->isStarted()) {
694 const char *problem = m_media_downloader ?
695 "media has not been requested" :
696 "all media has been received already";
697 errorstream << "Client: Received media but "
699 << " bunch " << bunch_i << "/" << num_bunches
700 << " files=" << num_files
701 << " size=" << pkt->getSize() << std::endl;
705 // Mesh update thread must be stopped while
706 // updating content definitions
707 sanity_check(!m_mesh_update_thread.isRunning());
709 for (u32 i=0; i < num_files; i++) {
714 std::string data = pkt->readLongString();
716 m_media_downloader->conventionalTransferDone(
721 void Client::handleCommand_ToolDef(NetworkPacket* pkt)
723 warningstream << "Client: Ignoring TOCLIENT_TOOLDEF" << std::endl;
726 void Client::handleCommand_NodeDef(NetworkPacket* pkt)
728 infostream << "Client: Received node definitions: packet size: "
729 << pkt->getSize() << std::endl;
731 // Mesh update thread must be stopped while
732 // updating content definitions
733 sanity_check(!m_mesh_update_thread.isRunning());
735 // Decompress node definitions
736 std::string datastring(pkt->getString(0), pkt->getSize());
737 std::istringstream is(datastring, std::ios_base::binary);
738 std::istringstream tmp_is(deSerializeLongString(is), std::ios::binary);
739 std::ostringstream tmp_os;
740 decompressZlib(tmp_is, tmp_os);
742 // Deserialize node definitions
743 std::istringstream tmp_is2(tmp_os.str());
744 m_nodedef->deSerialize(tmp_is2);
745 m_nodedef_received = true;
748 void Client::handleCommand_CraftItemDef(NetworkPacket* pkt)
750 warningstream << "Client: Ignoring TOCLIENT_CRAFTITEMDEF" << std::endl;
753 void Client::handleCommand_ItemDef(NetworkPacket* pkt)
755 infostream << "Client: Received item definitions: packet size: "
756 << pkt->getSize() << std::endl;
758 // Mesh update thread must be stopped while
759 // updating content definitions
760 sanity_check(!m_mesh_update_thread.isRunning());
762 // Decompress item definitions
763 std::string datastring(pkt->getString(0), pkt->getSize());
764 std::istringstream is(datastring, std::ios_base::binary);
765 std::istringstream tmp_is(deSerializeLongString(is), std::ios::binary);
766 std::ostringstream tmp_os;
767 decompressZlib(tmp_is, tmp_os);
769 // Deserialize node definitions
770 std::istringstream tmp_is2(tmp_os.str());
771 m_itemdef->deSerialize(tmp_is2);
772 m_itemdef_received = true;
775 void Client::handleCommand_PlaySound(NetworkPacket* pkt)
780 u8 type; // 0=local, 1=positional, 2=object
785 *pkt >> server_id >> name >> gain >> type >> pos >> object_id >> loop;
791 client_id = m_sound->playSound(name, loop, gain);
793 case 1: // positional
794 client_id = m_sound->playSoundAt(name, loop, gain, pos);
798 ClientActiveObject *cao = m_env.getActiveObject(object_id);
800 pos = cao->getPosition();
801 client_id = m_sound->playSoundAt(name, loop, gain, pos);
802 // TODO: Set up sound to move with object
809 if (client_id != -1) {
810 m_sounds_server_to_client[server_id] = client_id;
811 m_sounds_client_to_server[client_id] = server_id;
813 m_sounds_to_objects[client_id] = object_id;
817 void Client::handleCommand_StopSound(NetworkPacket* pkt)
823 UNORDERED_MAP<s32, int>::iterator i = m_sounds_server_to_client.find(server_id);
824 if (i != m_sounds_server_to_client.end()) {
825 int client_id = i->second;
826 m_sound->stopSound(client_id);
830 void Client::handleCommand_Privileges(NetworkPacket* pkt)
832 m_privileges.clear();
833 infostream << "Client: Privileges updated: ";
836 *pkt >> num_privileges;
838 for (u16 i = 0; i < num_privileges; i++) {
843 m_privileges.insert(priv);
844 infostream << priv << " ";
846 infostream << std::endl;
849 void Client::handleCommand_InventoryFormSpec(NetworkPacket* pkt)
851 LocalPlayer *player = m_env.getLocalPlayer();
852 assert(player != NULL);
854 // Store formspec in LocalPlayer
855 player->inventory_formspec = pkt->readLongString();
858 void Client::handleCommand_DetachedInventory(NetworkPacket* pkt)
860 std::string datastring(pkt->getString(0), pkt->getSize());
861 std::istringstream is(datastring, std::ios_base::binary);
863 std::string name = deSerializeString(is);
865 infostream << "Client: Detached inventory update: \"" << name
866 << "\"" << std::endl;
868 Inventory *inv = NULL;
869 if (m_detached_inventories.count(name) > 0)
870 inv = m_detached_inventories[name];
872 inv = new Inventory(m_itemdef);
873 m_detached_inventories[name] = inv;
875 inv->deSerialize(is);
878 void Client::handleCommand_ShowFormSpec(NetworkPacket* pkt)
880 std::string formspec = pkt->readLongString();
881 std::string formname;
886 event.type = CE_SHOW_FORMSPEC;
887 // pointer is required as event is a struct only!
888 // adding a std:string to a struct isn't possible
889 event.show_formspec.formspec = new std::string(formspec);
890 event.show_formspec.formname = new std::string(formname);
891 m_client_event_queue.push(event);
894 void Client::handleCommand_SpawnParticle(NetworkPacket* pkt)
896 std::string datastring(pkt->getString(0), pkt->getSize());
897 std::istringstream is(datastring, std::ios_base::binary);
899 v3f pos = readV3F1000(is);
900 v3f vel = readV3F1000(is);
901 v3f acc = readV3F1000(is);
902 float expirationtime = readF1000(is);
903 float size = readF1000(is);
904 bool collisiondetection = readU8(is);
905 std::string texture = deSerializeLongString(is);
906 bool vertical = false;
907 bool collision_removal = false;
908 struct TileAnimationParams animation;
909 animation.type = TAT_NONE;
912 vertical = readU8(is);
913 collision_removal = readU8(is);
914 animation.deSerialize(is, m_proto_ver);
919 event.type = CE_SPAWN_PARTICLE;
920 event.spawn_particle.pos = new v3f (pos);
921 event.spawn_particle.vel = new v3f (vel);
922 event.spawn_particle.acc = new v3f (acc);
923 event.spawn_particle.expirationtime = expirationtime;
924 event.spawn_particle.size = size;
925 event.spawn_particle.collisiondetection = collisiondetection;
926 event.spawn_particle.collision_removal = collision_removal;
927 event.spawn_particle.vertical = vertical;
928 event.spawn_particle.texture = new std::string(texture);
929 event.spawn_particle.animation = animation;
930 event.spawn_particle.glow = glow;
932 m_client_event_queue.push(event);
935 void Client::handleCommand_AddParticleSpawner(NetworkPacket* pkt)
949 bool collisiondetection;
952 *pkt >> amount >> spawntime >> minpos >> maxpos >> minvel >> maxvel
953 >> minacc >> maxacc >> minexptime >> maxexptime >> minsize
954 >> maxsize >> collisiondetection;
956 std::string texture = pkt->readLongString();
960 bool vertical = false;
961 bool collision_removal = false;
962 struct TileAnimationParams animation;
963 animation.type = TAT_NONE;
968 *pkt >> collision_removal;
971 // This is horrible but required (why are there two ways to deserialize pkts?)
972 std::string datastring(pkt->getRemainingString(), pkt->getRemainingBytes());
973 std::istringstream is(datastring, std::ios_base::binary);
974 animation.deSerialize(is, m_proto_ver);
979 event.type = CE_ADD_PARTICLESPAWNER;
980 event.add_particlespawner.amount = amount;
981 event.add_particlespawner.spawntime = spawntime;
982 event.add_particlespawner.minpos = new v3f (minpos);
983 event.add_particlespawner.maxpos = new v3f (maxpos);
984 event.add_particlespawner.minvel = new v3f (minvel);
985 event.add_particlespawner.maxvel = new v3f (maxvel);
986 event.add_particlespawner.minacc = new v3f (minacc);
987 event.add_particlespawner.maxacc = new v3f (maxacc);
988 event.add_particlespawner.minexptime = minexptime;
989 event.add_particlespawner.maxexptime = maxexptime;
990 event.add_particlespawner.minsize = minsize;
991 event.add_particlespawner.maxsize = maxsize;
992 event.add_particlespawner.collisiondetection = collisiondetection;
993 event.add_particlespawner.collision_removal = collision_removal;
994 event.add_particlespawner.attached_id = attached_id;
995 event.add_particlespawner.vertical = vertical;
996 event.add_particlespawner.texture = new std::string(texture);
997 event.add_particlespawner.id = id;
998 event.add_particlespawner.animation = animation;
999 event.add_particlespawner.glow = glow;
1001 m_client_event_queue.push(event);
1005 void Client::handleCommand_DeleteParticleSpawner(NetworkPacket* pkt)
1010 // Modification set 13/03/15, 1 year of compat for protocol v24
1011 if (pkt->getCommand() == TOCLIENT_DELETE_PARTICLESPAWNER_LEGACY) {
1020 event.type = CE_DELETE_PARTICLESPAWNER;
1021 event.delete_particlespawner.id =
1022 (pkt->getCommand() == TOCLIENT_DELETE_PARTICLESPAWNER_LEGACY ? (u32) legacy_id : id);
1024 m_client_event_queue.push(event);
1027 void Client::handleCommand_HudAdd(NetworkPacket* pkt)
1029 std::string datastring(pkt->getString(0), pkt->getSize());
1030 std::istringstream is(datastring, std::ios_base::binary);
1046 *pkt >> id >> type >> pos >> name >> scale >> text >> number >> item
1047 >> dir >> align >> offset;
1051 catch(SerializationError &e) {};
1055 } catch(SerializationError &e) {};
1058 event.type = CE_HUDADD;
1059 event.hudadd.id = id;
1060 event.hudadd.type = type;
1061 event.hudadd.pos = new v2f(pos);
1062 event.hudadd.name = new std::string(name);
1063 event.hudadd.scale = new v2f(scale);
1064 event.hudadd.text = new std::string(text);
1065 event.hudadd.number = number;
1066 event.hudadd.item = item;
1067 event.hudadd.dir = dir;
1068 event.hudadd.align = new v2f(align);
1069 event.hudadd.offset = new v2f(offset);
1070 event.hudadd.world_pos = new v3f(world_pos);
1071 event.hudadd.size = new v2s32(size);
1072 m_client_event_queue.push(event);
1075 void Client::handleCommand_HudRemove(NetworkPacket* pkt)
1082 event.type = CE_HUDRM;
1083 event.hudrm.id = id;
1084 m_client_event_queue.push(event);
1087 void Client::handleCommand_HudChange(NetworkPacket* pkt)
1099 if (stat == HUD_STAT_POS || stat == HUD_STAT_SCALE ||
1100 stat == HUD_STAT_ALIGN || stat == HUD_STAT_OFFSET)
1102 else if (stat == HUD_STAT_NAME || stat == HUD_STAT_TEXT)
1104 else if (stat == HUD_STAT_WORLD_POS)
1106 else if (stat == HUD_STAT_SIZE )
1112 event.type = CE_HUDCHANGE;
1113 event.hudchange.id = id;
1114 event.hudchange.stat = (HudElementStat)stat;
1115 event.hudchange.v2fdata = new v2f(v2fdata);
1116 event.hudchange.v3fdata = new v3f(v3fdata);
1117 event.hudchange.sdata = new std::string(sdata);
1118 event.hudchange.data = intdata;
1119 event.hudchange.v2s32data = new v2s32(v2s32data);
1120 m_client_event_queue.push(event);
1123 void Client::handleCommand_HudSetFlags(NetworkPacket* pkt)
1127 *pkt >> flags >> mask;
1129 LocalPlayer *player = m_env.getLocalPlayer();
1130 assert(player != NULL);
1132 bool was_minimap_visible = player->hud_flags & HUD_FLAG_MINIMAP_VISIBLE;
1134 player->hud_flags &= ~mask;
1135 player->hud_flags |= flags;
1137 m_minimap_disabled_by_server = !(player->hud_flags & HUD_FLAG_MINIMAP_VISIBLE);
1139 // Hide minimap if it has been disabled by the server
1140 if (m_minimap_disabled_by_server && was_minimap_visible) {
1141 // defers a minimap update, therefore only call it if really
1142 // needed, by checking that minimap was visible before
1143 m_mapper->setMinimapMode(MINIMAP_MODE_OFF);
1147 void Client::handleCommand_HudSetParam(NetworkPacket* pkt)
1149 u16 param; std::string value;
1151 *pkt >> param >> value;
1153 LocalPlayer *player = m_env.getLocalPlayer();
1154 assert(player != NULL);
1156 if (param == HUD_PARAM_HOTBAR_ITEMCOUNT && value.size() == 4) {
1157 s32 hotbar_itemcount = readS32((u8*) value.c_str());
1158 if (hotbar_itemcount > 0 && hotbar_itemcount <= HUD_HOTBAR_ITEMCOUNT_MAX)
1159 player->hud_hotbar_itemcount = hotbar_itemcount;
1161 else if (param == HUD_PARAM_HOTBAR_IMAGE) {
1162 player->hotbar_image = value;
1164 else if (param == HUD_PARAM_HOTBAR_SELECTED_IMAGE) {
1165 player->hotbar_selected_image = value;
1169 void Client::handleCommand_HudSetSky(NetworkPacket* pkt)
1171 std::string datastring(pkt->getString(0), pkt->getSize());
1172 std::istringstream is(datastring, std::ios_base::binary);
1174 video::SColor *bgcolor = new video::SColor(readARGB8(is));
1175 std::string *type = new std::string(deSerializeString(is));
1176 u16 count = readU16(is);
1177 std::vector<std::string> *params = new std::vector<std::string>;
1179 for (size_t i = 0; i < count; i++)
1180 params->push_back(deSerializeString(is));
1183 event.type = CE_SET_SKY;
1184 event.set_sky.bgcolor = bgcolor;
1185 event.set_sky.type = type;
1186 event.set_sky.params = params;
1187 m_client_event_queue.push(event);
1190 void Client::handleCommand_OverrideDayNightRatio(NetworkPacket* pkt)
1193 u16 day_night_ratio_u;
1195 *pkt >> do_override >> day_night_ratio_u;
1197 float day_night_ratio_f = (float)day_night_ratio_u / 65536;
1200 event.type = CE_OVERRIDE_DAY_NIGHT_RATIO;
1201 event.override_day_night_ratio.do_override = do_override;
1202 event.override_day_night_ratio.ratio_f = day_night_ratio_f;
1203 m_client_event_queue.push(event);
1206 void Client::handleCommand_LocalPlayerAnimations(NetworkPacket* pkt)
1208 LocalPlayer *player = m_env.getLocalPlayer();
1209 assert(player != NULL);
1211 *pkt >> player->local_animations[0];
1212 *pkt >> player->local_animations[1];
1213 *pkt >> player->local_animations[2];
1214 *pkt >> player->local_animations[3];
1215 *pkt >> player->local_animation_speed;
1218 void Client::handleCommand_EyeOffset(NetworkPacket* pkt)
1220 LocalPlayer *player = m_env.getLocalPlayer();
1221 assert(player != NULL);
1223 *pkt >> player->eye_offset_first >> player->eye_offset_third;
1226 void Client::handleCommand_SrpBytesSandB(NetworkPacket* pkt)
1228 if ((m_chosen_auth_mech != AUTH_MECHANISM_LEGACY_PASSWORD)
1229 && (m_chosen_auth_mech != AUTH_MECHANISM_SRP)) {
1230 errorstream << "Client: Recieved SRP S_B login message,"
1231 << " but wasn't supposed to (chosen_mech="
1232 << m_chosen_auth_mech << ")." << std::endl;
1238 SRPUser *usr = (SRPUser *) m_auth_data;
1243 infostream << "Client: Recieved TOCLIENT_SRP_BYTES_S_B." << std::endl;
1245 srp_user_process_challenge(usr, (const unsigned char *) s.c_str(), s.size(),
1246 (const unsigned char *) B.c_str(), B.size(),
1247 (unsigned char **) &bytes_M, &len_M);
1250 errorstream << "Client: SRP-6a S_B safety check violation!" << std::endl;
1254 NetworkPacket resp_pkt(TOSERVER_SRP_BYTES_M, 0);
1255 resp_pkt << std::string(bytes_M, len_M);