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/scripting_client.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->setPosition(pos);
566 infostream << "Client got TOCLIENT_MOVE_PLAYER"
567 << " pos=(" << pos.X << "," << pos.Y << "," << pos.Z << ")"
568 << " pitch=" << pitch
573 Add to ClientEvent queue.
574 This has to be sent to the main program because otherwise
575 it would just force the pitch and yaw values to whatever
576 the camera points to.
579 event.type = CE_PLAYER_FORCE_MOVE;
580 event.player_force_move.pitch = pitch;
581 event.player_force_move.yaw = yaw;
582 m_client_event_queue.push(event);
584 // Ignore damage for a few seconds, so that the player doesn't
585 // get damage from falling on ground
586 m_ignore_damage_timer = 3.0;
589 void Client::handleCommand_DeathScreen(NetworkPacket* pkt)
591 bool set_camera_point_target;
592 v3f camera_point_target;
594 *pkt >> set_camera_point_target;
595 *pkt >> camera_point_target;
598 event.type = CE_DEATHSCREEN;
599 event.deathscreen.set_camera_point_target = set_camera_point_target;
600 event.deathscreen.camera_point_target_x = camera_point_target.X;
601 event.deathscreen.camera_point_target_y = camera_point_target.Y;
602 event.deathscreen.camera_point_target_z = camera_point_target.Z;
603 m_client_event_queue.push(event);
606 void Client::handleCommand_AnnounceMedia(NetworkPacket* pkt)
612 infostream << "Client: Received media announcement: packet size: "
613 << pkt->getSize() << std::endl;
615 if (m_media_downloader == NULL ||
616 m_media_downloader->isStarted()) {
617 const char *problem = m_media_downloader ?
618 "we already saw another announcement" :
619 "all media has been received already";
620 errorstream << "Client: Received media announcement but "
622 << " files=" << num_files
623 << " size=" << pkt->getSize() << std::endl;
627 // Mesh update thread must be stopped while
628 // updating content definitions
629 sanity_check(!m_mesh_update_thread.isRunning());
631 for (u16 i = 0; i < num_files; i++) {
632 std::string name, sha1_base64;
634 *pkt >> name >> sha1_base64;
636 std::string sha1_raw = base64_decode(sha1_base64);
637 m_media_downloader->addFile(name, sha1_raw);
646 while(!sf.at_end()) {
647 std::string baseurl = trim(sf.next(","));
649 m_media_downloader->addRemoteServer(baseurl);
652 catch(SerializationError& e) {
653 // not supported by server or turned off
656 m_media_downloader->step(this);
659 void Client::handleCommand_Media(NetworkPacket* pkt)
663 u16 total number of file bunches
664 u16 index of this bunch
665 u32 number of files in this bunch
677 *pkt >> num_bunches >> bunch_i >> num_files;
679 infostream << "Client: Received files: bunch " << bunch_i << "/"
680 << num_bunches << " files=" << num_files
681 << " size=" << pkt->getSize() << std::endl;
686 if (!m_media_downloader || !m_media_downloader->isStarted()) {
687 const char *problem = m_media_downloader ?
688 "media has not been requested" :
689 "all media has been received already";
690 errorstream << "Client: Received media but "
692 << " bunch " << bunch_i << "/" << num_bunches
693 << " files=" << num_files
694 << " size=" << pkt->getSize() << std::endl;
698 // Mesh update thread must be stopped while
699 // updating content definitions
700 sanity_check(!m_mesh_update_thread.isRunning());
702 for (u32 i=0; i < num_files; i++) {
707 std::string data = pkt->readLongString();
709 m_media_downloader->conventionalTransferDone(
714 void Client::handleCommand_NodeDef(NetworkPacket* pkt)
716 infostream << "Client: Received node definitions: packet size: "
717 << pkt->getSize() << std::endl;
719 // Mesh update thread must be stopped while
720 // updating content definitions
721 sanity_check(!m_mesh_update_thread.isRunning());
723 // Decompress node definitions
724 std::istringstream tmp_is(pkt->readLongString(), std::ios::binary);
725 std::ostringstream tmp_os;
726 decompressZlib(tmp_is, tmp_os);
728 // Deserialize node definitions
729 std::istringstream tmp_is2(tmp_os.str());
730 m_nodedef->deSerialize(tmp_is2);
731 m_nodedef_received = true;
734 void Client::handleCommand_ItemDef(NetworkPacket* pkt)
736 infostream << "Client: Received item definitions: packet size: "
737 << pkt->getSize() << std::endl;
739 // Mesh update thread must be stopped while
740 // updating content definitions
741 sanity_check(!m_mesh_update_thread.isRunning());
743 // Decompress item definitions
744 std::istringstream tmp_is(pkt->readLongString(), std::ios::binary);
745 std::ostringstream tmp_os;
746 decompressZlib(tmp_is, tmp_os);
748 // Deserialize node definitions
749 std::istringstream tmp_is2(tmp_os.str());
750 m_itemdef->deSerialize(tmp_is2);
751 m_itemdef_received = true;
754 void Client::handleCommand_PlaySound(NetworkPacket* pkt)
762 [11 + len] (f32 * 3) pos
763 [23 + len] u16 object_id
773 u8 type; // 0=local, 1=positional, 2=object
780 *pkt >> server_id >> name >> gain >> type >> pos >> object_id >> loop;
785 } catch (PacketError &e) {};
791 client_id = m_sound->playSound(name, loop, gain, fade, pitch);
793 case 1: // positional
794 client_id = m_sound->playSoundAt(name, loop, gain, pos, pitch);
798 ClientActiveObject *cao = m_env.getActiveObject(object_id);
800 pos = cao->getPosition();
801 client_id = m_sound->playSoundAt(name, loop, gain, pos, pitch);
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 std::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_FadeSound(NetworkPacket *pkt)
836 *pkt >> sound_id >> step >> gain;
838 std::unordered_map<s32, int>::const_iterator i =
839 m_sounds_server_to_client.find(sound_id);
841 if (i != m_sounds_server_to_client.end())
842 m_sound->fadeSound(i->second, step, gain);
845 void Client::handleCommand_Privileges(NetworkPacket* pkt)
847 m_privileges.clear();
848 infostream << "Client: Privileges updated: ";
851 *pkt >> num_privileges;
853 for (u16 i = 0; i < num_privileges; i++) {
858 m_privileges.insert(priv);
859 infostream << priv << " ";
861 infostream << std::endl;
864 void Client::handleCommand_InventoryFormSpec(NetworkPacket* pkt)
866 LocalPlayer *player = m_env.getLocalPlayer();
867 assert(player != NULL);
869 // Store formspec in LocalPlayer
870 player->inventory_formspec = pkt->readLongString();
873 void Client::handleCommand_DetachedInventory(NetworkPacket* pkt)
875 std::string datastring(pkt->getString(0), pkt->getSize());
876 std::istringstream is(datastring, std::ios_base::binary);
878 std::string name = deSerializeString(is);
880 infostream << "Client: Detached inventory update: \"" << name
881 << "\"" << std::endl;
883 Inventory *inv = NULL;
884 if (m_detached_inventories.count(name) > 0)
885 inv = m_detached_inventories[name];
887 inv = new Inventory(m_itemdef);
888 m_detached_inventories[name] = inv;
890 inv->deSerialize(is);
893 void Client::handleCommand_ShowFormSpec(NetworkPacket* pkt)
895 std::string formspec = pkt->readLongString();
896 std::string formname;
901 event.type = CE_SHOW_FORMSPEC;
902 // pointer is required as event is a struct only!
903 // adding a std:string to a struct isn't possible
904 event.show_formspec.formspec = new std::string(formspec);
905 event.show_formspec.formname = new std::string(formname);
906 m_client_event_queue.push(event);
909 void Client::handleCommand_SpawnParticle(NetworkPacket* pkt)
911 std::string datastring(pkt->getString(0), pkt->getSize());
912 std::istringstream is(datastring, std::ios_base::binary);
914 v3f pos = readV3F1000(is);
915 v3f vel = readV3F1000(is);
916 v3f acc = readV3F1000(is);
917 float expirationtime = readF1000(is);
918 float size = readF1000(is);
919 bool collisiondetection = readU8(is);
920 std::string texture = deSerializeLongString(is);
921 bool vertical = false;
922 bool collision_removal = false;
923 struct TileAnimationParams animation;
924 animation.type = TAT_NONE;
927 vertical = readU8(is);
928 collision_removal = readU8(is);
929 animation.deSerialize(is, m_proto_ver);
934 event.type = CE_SPAWN_PARTICLE;
935 event.spawn_particle.pos = new v3f (pos);
936 event.spawn_particle.vel = new v3f (vel);
937 event.spawn_particle.acc = new v3f (acc);
938 event.spawn_particle.expirationtime = expirationtime;
939 event.spawn_particle.size = size;
940 event.spawn_particle.collisiondetection = collisiondetection;
941 event.spawn_particle.collision_removal = collision_removal;
942 event.spawn_particle.vertical = vertical;
943 event.spawn_particle.texture = new std::string(texture);
944 event.spawn_particle.animation = animation;
945 event.spawn_particle.glow = glow;
947 m_client_event_queue.push(event);
950 void Client::handleCommand_AddParticleSpawner(NetworkPacket* pkt)
964 bool collisiondetection;
967 *pkt >> amount >> spawntime >> minpos >> maxpos >> minvel >> maxvel
968 >> minacc >> maxacc >> minexptime >> maxexptime >> minsize
969 >> maxsize >> collisiondetection;
971 std::string texture = pkt->readLongString();
975 bool vertical = false;
976 bool collision_removal = false;
977 struct TileAnimationParams animation;
978 animation.type = TAT_NONE;
983 *pkt >> collision_removal;
986 // This is horrible but required (why are there two ways to deserialize pkts?)
987 std::string datastring(pkt->getRemainingString(), pkt->getRemainingBytes());
988 std::istringstream is(datastring, std::ios_base::binary);
989 animation.deSerialize(is, m_proto_ver);
994 event.type = CE_ADD_PARTICLESPAWNER;
995 event.add_particlespawner.amount = amount;
996 event.add_particlespawner.spawntime = spawntime;
997 event.add_particlespawner.minpos = new v3f (minpos);
998 event.add_particlespawner.maxpos = new v3f (maxpos);
999 event.add_particlespawner.minvel = new v3f (minvel);
1000 event.add_particlespawner.maxvel = new v3f (maxvel);
1001 event.add_particlespawner.minacc = new v3f (minacc);
1002 event.add_particlespawner.maxacc = new v3f (maxacc);
1003 event.add_particlespawner.minexptime = minexptime;
1004 event.add_particlespawner.maxexptime = maxexptime;
1005 event.add_particlespawner.minsize = minsize;
1006 event.add_particlespawner.maxsize = maxsize;
1007 event.add_particlespawner.collisiondetection = collisiondetection;
1008 event.add_particlespawner.collision_removal = collision_removal;
1009 event.add_particlespawner.attached_id = attached_id;
1010 event.add_particlespawner.vertical = vertical;
1011 event.add_particlespawner.texture = new std::string(texture);
1012 event.add_particlespawner.id = id;
1013 event.add_particlespawner.animation = animation;
1014 event.add_particlespawner.glow = glow;
1016 m_client_event_queue.push(event);
1020 void Client::handleCommand_DeleteParticleSpawner(NetworkPacket* pkt)
1025 // Modification set 13/03/15, 1 year of compat for protocol v24
1026 if (pkt->getCommand() == TOCLIENT_DELETE_PARTICLESPAWNER_LEGACY) {
1035 event.type = CE_DELETE_PARTICLESPAWNER;
1036 event.delete_particlespawner.id =
1037 (pkt->getCommand() == TOCLIENT_DELETE_PARTICLESPAWNER_LEGACY ? (u32) legacy_id : id);
1039 m_client_event_queue.push(event);
1042 void Client::handleCommand_HudAdd(NetworkPacket* pkt)
1044 std::string datastring(pkt->getString(0), pkt->getSize());
1045 std::istringstream is(datastring, std::ios_base::binary);
1061 *pkt >> id >> type >> pos >> name >> scale >> text >> number >> item
1062 >> dir >> align >> offset;
1066 catch(SerializationError &e) {};
1070 } catch(SerializationError &e) {};
1073 event.type = CE_HUDADD;
1074 event.hudadd.id = id;
1075 event.hudadd.type = type;
1076 event.hudadd.pos = new v2f(pos);
1077 event.hudadd.name = new std::string(name);
1078 event.hudadd.scale = new v2f(scale);
1079 event.hudadd.text = new std::string(text);
1080 event.hudadd.number = number;
1081 event.hudadd.item = item;
1082 event.hudadd.dir = dir;
1083 event.hudadd.align = new v2f(align);
1084 event.hudadd.offset = new v2f(offset);
1085 event.hudadd.world_pos = new v3f(world_pos);
1086 event.hudadd.size = new v2s32(size);
1087 m_client_event_queue.push(event);
1090 void Client::handleCommand_HudRemove(NetworkPacket* pkt)
1097 event.type = CE_HUDRM;
1098 event.hudrm.id = id;
1099 m_client_event_queue.push(event);
1102 void Client::handleCommand_HudChange(NetworkPacket* pkt)
1114 if (stat == HUD_STAT_POS || stat == HUD_STAT_SCALE ||
1115 stat == HUD_STAT_ALIGN || stat == HUD_STAT_OFFSET)
1117 else if (stat == HUD_STAT_NAME || stat == HUD_STAT_TEXT)
1119 else if (stat == HUD_STAT_WORLD_POS)
1121 else if (stat == HUD_STAT_SIZE )
1127 event.type = CE_HUDCHANGE;
1128 event.hudchange.id = id;
1129 event.hudchange.stat = (HudElementStat)stat;
1130 event.hudchange.v2fdata = new v2f(v2fdata);
1131 event.hudchange.v3fdata = new v3f(v3fdata);
1132 event.hudchange.sdata = new std::string(sdata);
1133 event.hudchange.data = intdata;
1134 event.hudchange.v2s32data = new v2s32(v2s32data);
1135 m_client_event_queue.push(event);
1138 void Client::handleCommand_HudSetFlags(NetworkPacket* pkt)
1142 *pkt >> flags >> mask;
1144 LocalPlayer *player = m_env.getLocalPlayer();
1145 assert(player != NULL);
1147 bool was_minimap_visible = player->hud_flags & HUD_FLAG_MINIMAP_VISIBLE;
1149 player->hud_flags &= ~mask;
1150 player->hud_flags |= flags;
1152 m_minimap_disabled_by_server = !(player->hud_flags & HUD_FLAG_MINIMAP_VISIBLE);
1154 // Hide minimap if it has been disabled by the server
1155 if (m_minimap && m_minimap_disabled_by_server && was_minimap_visible) {
1156 // defers a minimap update, therefore only call it if really
1157 // needed, by checking that minimap was visible before
1158 m_minimap->setMinimapMode(MINIMAP_MODE_OFF);
1162 void Client::handleCommand_HudSetParam(NetworkPacket* pkt)
1164 u16 param; std::string value;
1166 *pkt >> param >> value;
1168 LocalPlayer *player = m_env.getLocalPlayer();
1169 assert(player != NULL);
1171 if (param == HUD_PARAM_HOTBAR_ITEMCOUNT && value.size() == 4) {
1172 s32 hotbar_itemcount = readS32((u8*) value.c_str());
1173 if (hotbar_itemcount > 0 && hotbar_itemcount <= HUD_HOTBAR_ITEMCOUNT_MAX)
1174 player->hud_hotbar_itemcount = hotbar_itemcount;
1176 else if (param == HUD_PARAM_HOTBAR_IMAGE) {
1177 player->hotbar_image = value;
1179 else if (param == HUD_PARAM_HOTBAR_SELECTED_IMAGE) {
1180 player->hotbar_selected_image = value;
1184 void Client::handleCommand_HudSetSky(NetworkPacket* pkt)
1186 std::string datastring(pkt->getString(0), pkt->getSize());
1187 std::istringstream is(datastring, std::ios_base::binary);
1189 video::SColor *bgcolor = new video::SColor(readARGB8(is));
1190 std::string *type = new std::string(deSerializeString(is));
1191 u16 count = readU16(is);
1192 std::vector<std::string> *params = new std::vector<std::string>;
1194 for (size_t i = 0; i < count; i++)
1195 params->push_back(deSerializeString(is));
1199 clouds = readU8(is);
1203 event.type = CE_SET_SKY;
1204 event.set_sky.bgcolor = bgcolor;
1205 event.set_sky.type = type;
1206 event.set_sky.params = params;
1207 event.set_sky.clouds = clouds;
1208 m_client_event_queue.push(event);
1211 void Client::handleCommand_CloudParams(NetworkPacket* pkt)
1214 video::SColor color_bright;
1215 video::SColor color_ambient;
1220 *pkt >> density >> color_bright >> color_ambient
1221 >> height >> thickness >> speed;
1224 event.type = CE_CLOUD_PARAMS;
1225 event.cloud_params.density = density;
1226 // use the underlying u32 representation, because we can't
1227 // use struct members with constructors here, and this way
1228 // we avoid using new() and delete() for no good reason
1229 event.cloud_params.color_bright = color_bright.color;
1230 event.cloud_params.color_ambient = color_ambient.color;
1231 event.cloud_params.height = height;
1232 event.cloud_params.thickness = thickness;
1233 // same here: deconstruct to skip constructor
1234 event.cloud_params.speed_x = speed.X;
1235 event.cloud_params.speed_y = speed.Y;
1236 m_client_event_queue.push(event);
1239 void Client::handleCommand_OverrideDayNightRatio(NetworkPacket* pkt)
1242 u16 day_night_ratio_u;
1244 *pkt >> do_override >> day_night_ratio_u;
1246 float day_night_ratio_f = (float)day_night_ratio_u / 65536;
1249 event.type = CE_OVERRIDE_DAY_NIGHT_RATIO;
1250 event.override_day_night_ratio.do_override = do_override;
1251 event.override_day_night_ratio.ratio_f = day_night_ratio_f;
1252 m_client_event_queue.push(event);
1255 void Client::handleCommand_LocalPlayerAnimations(NetworkPacket* pkt)
1257 LocalPlayer *player = m_env.getLocalPlayer();
1258 assert(player != NULL);
1260 *pkt >> player->local_animations[0];
1261 *pkt >> player->local_animations[1];
1262 *pkt >> player->local_animations[2];
1263 *pkt >> player->local_animations[3];
1264 *pkt >> player->local_animation_speed;
1267 void Client::handleCommand_EyeOffset(NetworkPacket* pkt)
1269 LocalPlayer *player = m_env.getLocalPlayer();
1270 assert(player != NULL);
1272 *pkt >> player->eye_offset_first >> player->eye_offset_third;
1275 void Client::handleCommand_UpdatePlayerList(NetworkPacket* pkt)
1279 *pkt >> type >> num_players;
1280 PlayerListModifer notice_type = (PlayerListModifer) type;
1282 for (u16 i = 0; i < num_players; i++) {
1285 switch (notice_type) {
1286 case PLAYER_LIST_INIT:
1287 case PLAYER_LIST_ADD:
1288 m_env.addPlayerName(name);
1290 case PLAYER_LIST_REMOVE:
1291 m_env.removePlayerName(name);
1297 void Client::handleCommand_SrpBytesSandB(NetworkPacket* pkt)
1299 if ((m_chosen_auth_mech != AUTH_MECHANISM_LEGACY_PASSWORD)
1300 && (m_chosen_auth_mech != AUTH_MECHANISM_SRP)) {
1301 errorstream << "Client: Recieved SRP S_B login message,"
1302 << " but wasn't supposed to (chosen_mech="
1303 << m_chosen_auth_mech << ")." << std::endl;
1309 SRPUser *usr = (SRPUser *) m_auth_data;
1314 infostream << "Client: Recieved TOCLIENT_SRP_BYTES_S_B." << std::endl;
1316 srp_user_process_challenge(usr, (const unsigned char *) s.c_str(), s.size(),
1317 (const unsigned char *) B.c_str(), B.size(),
1318 (unsigned char **) &bytes_M, &len_M);
1321 errorstream << "Client: SRP-6a S_B safety check violation!" << std::endl;
1325 NetworkPacket resp_pkt(TOSERVER_SRP_BYTES_M, 0);
1326 resp_pkt << std::string(bytes_M, len_M);