src/client.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
   4
   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.
   9
  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.
  14
  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.
  18 */
  19
  20 #include <iostream>
  21 #include <algorithm>
  22 #include <sstream>
  23 #include <IFileSystem.h>
  24 #include "jthread/jmutexautolock.h"
  25 #include "util/directiontables.h"
  26 #include "util/pointedthing.h"
  27 #include "util/serialize.h"
  28 #include "util/string.h"
  29 #include "client.h"
  30 #include "network/clientopcodes.h"
  31 #include "main.h"
  32 #include "filesys.h"
  33 #include "porting.h"
  34 #include "mapblock_mesh.h"
  35 #include "mapblock.h"
  36 #include "settings.h"
  37 #include "profiler.h"
  38 #include "gettext.h"
  39 #include "log.h"
  40 #include "nodemetadata.h"
  41 #include "itemdef.h"
  42 #include "shader.h"
  43 #include "clientmap.h"
  44 #include "clientmedia.h"
  45 #include "sound.h"
  46 #include "IMeshCache.h"
  47 #include "config.h"
  48 #include "version.h"
  49 #include "drawscene.h"
  50 #include "database-sqlite3.h"
  51 #include "serialization.h"
  52
  53 extern gui::IGUIEnvironment* guienv;
  54
  55 /*
  56         QueuedMeshUpdate
  57 */
  58
  59 QueuedMeshUpdate::QueuedMeshUpdate():
  60         p(-1337,-1337,-1337),
  61         data(NULL),
  62         ack_block_to_server(false)
  63 {
  64 }
  65
  66 QueuedMeshUpdate::~QueuedMeshUpdate()
  67 {
  68         if(data)
  69                 delete data;
  70 }
  71
  72 /*
  73         MeshUpdateQueue
  74 */
  75
  76 MeshUpdateQueue::MeshUpdateQueue()
  77 {
  78 }
  79
  80 MeshUpdateQueue::~MeshUpdateQueue()
  81 {
  82         JMutexAutoLock lock(m_mutex);
  83
  84         for(std::vector<QueuedMeshUpdate*>::iterator
  85                         i = m_queue.begin();
  86                         i != m_queue.end(); i++)
  87         {
  88                 QueuedMeshUpdate *q = *i;
  89                 delete q;
  90         }
  91 }
  92
  93 /*
  94         peer_id=0 adds with nobody to send to
  95 */
  96 void MeshUpdateQueue::addBlock(v3s16 p, MeshMakeData *data, bool ack_block_to_server, bool urgent)
  97 {
  98         DSTACK(__FUNCTION_NAME);
  99
 100         assert(data);   // pre-condition
 101
 102         JMutexAutoLock lock(m_mutex);
 103
 104         if(urgent)
 105                 m_urgents.insert(p);
 106
 107         /*
 108                 Find if block is already in queue.
 109                 If it is, update the data and quit.
 110         */
 111         for(std::vector<QueuedMeshUpdate*>::iterator
 112                         i = m_queue.begin();
 113                         i != m_queue.end(); i++)
 114         {
 115                 QueuedMeshUpdate *q = *i;
 116                 if(q->p == p)
 117                 {
 118                         if(q->data)
 119                                 delete q->data;
 120                         q->data = data;
 121                         if(ack_block_to_server)
 122                                 q->ack_block_to_server = true;
 123                         return;
 124                 }
 125         }
 126
 127         /*
 128                 Add the block
 129         */
 130         QueuedMeshUpdate *q = new QueuedMeshUpdate;
 131         q->p = p;
 132         q->data = data;
 133         q->ack_block_to_server = ack_block_to_server;
 134         m_queue.push_back(q);
 135 }
 136
 137 // Returned pointer must be deleted
 138 // Returns NULL if queue is empty
 139 QueuedMeshUpdate * MeshUpdateQueue::pop()
 140 {
 141         JMutexAutoLock lock(m_mutex);
 142
 143         bool must_be_urgent = !m_urgents.empty();
 144         for(std::vector<QueuedMeshUpdate*>::iterator
 145                         i = m_queue.begin();
 146                         i != m_queue.end(); i++)
 147         {
 148                 QueuedMeshUpdate *q = *i;
 149                 if(must_be_urgent && m_urgents.count(q->p) == 0)
 150                         continue;
 151                 m_queue.erase(i);
 152                 m_urgents.erase(q->p);
 153                 return q;
 154         }
 155         return NULL;
 156 }
 157
 158 /*
 159         MeshUpdateThread
 160 */
 161
 162 void * MeshUpdateThread::Thread()
 163 {
 164         ThreadStarted();
 165
 166         log_register_thread("MeshUpdateThread");
 167
 168         DSTACK(__FUNCTION_NAME);
 169
 170         BEGIN_DEBUG_EXCEPTION_HANDLER
 171
 172         porting::setThreadName("MeshUpdateThread");
 173
 174         while(!StopRequested())
 175         {
 176                 QueuedMeshUpdate *q = m_queue_in.pop();
 177                 if(q == NULL)
 178                 {
 179                         sleep_ms(3);
 180                         continue;
 181                 }
 182
 183                 ScopeProfiler sp(g_profiler, "Client: Mesh making");
 184
 185                 MapBlockMesh *mesh_new = new MapBlockMesh(q->data, m_camera_offset);
 186                 if(mesh_new->getMesh()->getMeshBufferCount() == 0)
 187                 {
 188                         delete mesh_new;
 189                         mesh_new = NULL;
 190                 }
 191
 192                 MeshUpdateResult r;
 193                 r.p = q->p;
 194                 r.mesh = mesh_new;
 195                 r.ack_block_to_server = q->ack_block_to_server;
 196
 197                 m_queue_out.push_back(r);
 198
 199                 delete q;
 200         }
 201
 202         END_DEBUG_EXCEPTION_HANDLER(errorstream)
 203
 204         return NULL;
 205 }
 206
 207 /*
 208         Client
 209 */
 210
 211 Client::Client(
 212                 IrrlichtDevice *device,
 213                 const char *playername,
 214                 std::string password,
 215                 MapDrawControl &control,
 216                 IWritableTextureSource *tsrc,
 217                 IWritableShaderSource *shsrc,
 218                 IWritableItemDefManager *itemdef,
 219                 IWritableNodeDefManager *nodedef,
 220                 ISoundManager *sound,
 221                 MtEventManager *event,
 222                 bool ipv6
 223 ):
 224         m_packetcounter_timer(0.0),
 225         m_connection_reinit_timer(0.1),
 226         m_avg_rtt_timer(0.0),
 227         m_playerpos_send_timer(0.0),
 228         m_ignore_damage_timer(0.0),
 229         m_tsrc(tsrc),
 230         m_shsrc(shsrc),
 231         m_itemdef(itemdef),
 232         m_nodedef(nodedef),
 233         m_sound(sound),
 234         m_event(event),
 235         m_mesh_update_thread(this),
 236         m_env(
 237                 new ClientMap(this, this, control,
 238                         device->getSceneManager()->getRootSceneNode(),
 239                         device->getSceneManager(), 666),
 240                 device->getSceneManager(),
 241                 tsrc, this, device
 242         ),
 243         m_particle_manager(&m_env),
 244         m_con(PROTOCOL_ID, 512, CONNECTION_TIMEOUT, ipv6, this),
 245         m_device(device),
 246         m_server_ser_ver(SER_FMT_VER_INVALID),
 247         m_playeritem(0),
 248         m_inventory_updated(false),
 249         m_inventory_from_server(NULL),
 250         m_inventory_from_server_age(0.0),
 251         m_show_highlighted(false),
 252         m_animation_time(0),
 253         m_crack_level(-1),
 254         m_crack_pos(0,0,0),
 255         m_highlighted_pos(0,0,0),
 256         m_map_seed(0),
 257         m_password(password),
 258         m_access_denied(false),
 259         m_itemdef_received(false),
 260         m_nodedef_received(false),
 261         m_media_downloader(new ClientMediaDownloader()),
 262         m_time_of_day_set(false),
 263         m_last_time_of_day_f(-1),
 264         m_time_of_day_update_timer(0),
 265         m_recommended_send_interval(0.1),
 266         m_removed_sounds_check_timer(0),
 267         m_state(LC_Created),
 268         m_localdb(NULL)
 269 {
 270         // Add local player
 271         m_env.addPlayer(new LocalPlayer(this, playername));
 272
 273         m_cache_save_interval = g_settings->getU16("server_map_save_interval");
 274
 275         m_cache_smooth_lighting = g_settings->getBool("smooth_lighting");
 276         m_cache_enable_shaders  = g_settings->getBool("enable_shaders");
 277 }
 278
 279 void Client::Stop()
 280 {
 281         //request all client managed threads to stop
 282         m_mesh_update_thread.Stop();
 283         // Save local server map
 284         if (m_localdb) {
 285                 infostream << "Local map saving ended." << std::endl;
 286                 m_localdb->endSave();
 287         }
 288 }
 289
 290 bool Client::isShutdown()
 291 {
 292
 293         if (!m_mesh_update_thread.IsRunning()) return true;
 294
 295         return false;
 296 }
 297
 298 Client::~Client()
 299 {
 300         m_con.Disconnect();
 301
 302         m_mesh_update_thread.Stop();
 303         m_mesh_update_thread.Wait();
 304         while(!m_mesh_update_thread.m_queue_out.empty()) {
 305                 MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_frontNoEx();
 306                 delete r.mesh;
 307         }
 308
 309
 310         delete m_inventory_from_server;
 311
 312         // Delete detached inventories
 313         for(std::map<std::string, Inventory*>::iterator
 314                         i = m_detached_inventories.begin();
 315                         i != m_detached_inventories.end(); i++){
 316                 delete i->second;
 317         }
 318
 319         // cleanup 3d model meshes on client shutdown
 320         while (m_device->getSceneManager()->getMeshCache()->getMeshCount() != 0) {
 321                 scene::IAnimatedMesh * mesh =
 322                         m_device->getSceneManager()->getMeshCache()->getMeshByIndex(0);
 323
 324                 if (mesh != NULL)
 325                         m_device->getSceneManager()->getMeshCache()->removeMesh(mesh);
 326         }
 327 }
 328
 329 void Client::connect(Address address,
 330                 const std::string &address_name,
 331                 bool is_local_server)
 332 {
 333         DSTACK(__FUNCTION_NAME);
 334
 335         initLocalMapSaving(address, address_name, is_local_server);
 336
 337         m_con.SetTimeoutMs(0);
 338         m_con.Connect(address);
 339 }
 340
 341 void Client::step(float dtime)
 342 {
 343         DSTACK(__FUNCTION_NAME);
 344
 345         // Limit a bit
 346         if(dtime > 2.0)
 347                 dtime = 2.0;
 348
 349         if(m_ignore_damage_timer > dtime)
 350                 m_ignore_damage_timer -= dtime;
 351         else
 352                 m_ignore_damage_timer = 0.0;
 353
 354         m_animation_time += dtime;
 355         if(m_animation_time > 60.0)
 356                 m_animation_time -= 60.0;
 357
 358         m_time_of_day_update_timer += dtime;
 359
 360         ReceiveAll();
 361
 362         /*
 363                 Packet counter
 364         */
 365         {
 366                 float &counter = m_packetcounter_timer;
 367                 counter -= dtime;
 368                 if(counter <= 0.0)
 369                 {
 370                         counter = 20.0;
 371
 372                         infostream << "Client packetcounter (" << m_packetcounter_timer
 373                                         << "):"<<std::endl;
 374                         m_packetcounter.print(infostream);
 375                         m_packetcounter.clear();
 376                 }
 377         }
 378
 379         // UGLY hack to fix 2 second startup delay caused by non existent
 380         // server client startup synchronization in local server or singleplayer mode
 381         static bool initial_step = true;
 382         if (initial_step) {
 383                 initial_step = false;
 384         }
 385         else if(m_state == LC_Created) {
 386                 float &counter = m_connection_reinit_timer;
 387                 counter -= dtime;
 388                 if(counter <= 0.0) {
 389                         counter = 2.0;
 390
 391                         Player *myplayer = m_env.getLocalPlayer();
 392                         FATAL_ERROR_IF(myplayer == NULL, "Local player not found in environment.");
 393
 394                         // Send TOSERVER_INIT
 395                         // [0] u16 TOSERVER_INIT
 396                         // [2] u8 SER_FMT_VER_HIGHEST_READ
 397                         // [3] u8[20] player_name
 398                         // [23] u8[28] password (new in some version)
 399                         // [51] u16 minimum supported network protocol version (added sometime)
 400                         // [53] u16 maximum supported network protocol version (added later than the previous one)
 401
 402                         char pName[PLAYERNAME_SIZE];
 403                         char pPassword[PASSWORD_SIZE];
 404                         memset(pName, 0, PLAYERNAME_SIZE * sizeof(char));
 405                         memset(pPassword, 0, PASSWORD_SIZE * sizeof(char));
 406
 407                         snprintf(pName, PLAYERNAME_SIZE, "%s", myplayer->getName());
 408                         snprintf(pPassword, PASSWORD_SIZE, "%s", m_password.c_str());
 409
 410                         NetworkPacket* pkt = new NetworkPacket(TOSERVER_INIT_LEGACY,
 411                                         1 + PLAYERNAME_SIZE + PASSWORD_SIZE + 2 + 2);
 412
 413                         *pkt << (u8) SER_FMT_VER_HIGHEST_READ;
 414                         pkt->putRawString(pName,PLAYERNAME_SIZE);
 415                         pkt->putRawString(pPassword, PASSWORD_SIZE);
 416                         *pkt << (u16) CLIENT_PROTOCOL_VERSION_MIN << (u16) CLIENT_PROTOCOL_VERSION_MAX;
 417
 418                         Send(pkt);
 419                 }
 420
 421                 // Not connected, return
 422                 return;
 423         }
 424
 425         /*
 426                 Do stuff if connected
 427         */
 428
 429         /*
 430                 Run Map's timers and unload unused data
 431         */
 432         const float map_timer_and_unload_dtime = 5.25;
 433         if(m_map_timer_and_unload_interval.step(dtime, map_timer_and_unload_dtime)) {
 434                 ScopeProfiler sp(g_profiler, "Client: map timer and unload");
 435                 std::vector<v3s16> deleted_blocks;
 436                 m_env.getMap().timerUpdate(map_timer_and_unload_dtime,
 437                                 g_settings->getFloat("client_unload_unused_data_timeout"),
 438                                 &deleted_blocks);
 439
 440                 /*
 441                         Send info to server
 442                         NOTE: This loop is intentionally iterated the way it is.
 443                 */
 444
 445                 std::vector<v3s16>::iterator i = deleted_blocks.begin();
 446                 std::vector<v3s16> sendlist;
 447                 for(;;) {
 448                         if(sendlist.size() == 255 || i == deleted_blocks.end()) {
 449                                 if(sendlist.empty())
 450                                         break;
 451                                 /*
 452                                         [0] u16 command
 453                                         [2] u8 count
 454                                         [3] v3s16 pos_0
 455                                         [3+6] v3s16 pos_1
 456                                         ...
 457                                 */
 458                                 NetworkPacket* pkt = new NetworkPacket(TOSERVER_DELETEDBLOCKS, 1 + sizeof(v3s16) * sendlist.size());
 459
 460                                 *pkt << (u8) sendlist.size();
 461
 462                                 u32 k = 0;
 463                                 for(std::vector<v3s16>::iterator
 464                                                 j = sendlist.begin();
 465                                                 j != sendlist.end(); ++j) {
 466                                         *pkt << *j;
 467                                         k++;
 468                                 }
 469
 470                                 Send(pkt);
 471
 472                                 if(i == deleted_blocks.end())
 473                                         break;
 474
 475                                 sendlist.clear();
 476                         }
 477
 478                         sendlist.push_back(*i);
 479                         ++i;
 480                 }
 481         }
 482
 483         /*
 484                 Handle environment
 485         */
 486         // Control local player (0ms)
 487         LocalPlayer *player = m_env.getLocalPlayer();
 488         assert(player != NULL);
 489         player->applyControl(dtime);
 490
 491         // Step environment
 492         m_env.step(dtime);
 493
 494         /*
 495                 Get events
 496         */
 497         for(;;) {
 498                 ClientEnvEvent event = m_env.getClientEvent();
 499                 if(event.type == CEE_NONE) {
 500                         break;
 501                 }
 502                 else if(event.type == CEE_PLAYER_DAMAGE) {
 503                         if(m_ignore_damage_timer <= 0) {
 504                                 u8 damage = event.player_damage.amount;
 505
 506                                 if(event.player_damage.send_to_server)
 507                                         sendDamage(damage);
 508
 509                                 // Add to ClientEvent queue
 510                                 ClientEvent event;
 511                                 event.type = CE_PLAYER_DAMAGE;
 512                                 event.player_damage.amount = damage;
 513                                 m_client_event_queue.push(event);
 514                         }
 515                 }
 516                 else if(event.type == CEE_PLAYER_BREATH) {
 517                                 u16 breath = event.player_breath.amount;
 518                                 sendBreath(breath);
 519                 }
 520         }
 521
 522         /*
 523                 Print some info
 524         */
 525         float &counter = m_avg_rtt_timer;
 526         counter += dtime;
 527         if(counter >= 10) {
 528                 counter = 0.0;
 529                 // connectedAndInitialized() is true, peer exists.
 530                 float avg_rtt = getRTT();
 531                 infostream << "Client: avg_rtt=" << avg_rtt << std::endl;
 532         }
 533
 534         /*
 535                 Send player position to server
 536         */
 537         {
 538                 float &counter = m_playerpos_send_timer;
 539                 counter += dtime;
 540                 if((m_state == LC_Ready) && (counter >= m_recommended_send_interval))
 541                 {
 542                         counter = 0.0;
 543                         sendPlayerPos();
 544                 }
 545         }
 546
 547         /*
 548                 Replace updated meshes
 549         */
 550         {
 551                 int num_processed_meshes = 0;
 552                 while(!m_mesh_update_thread.m_queue_out.empty())
 553                 {
 554                         num_processed_meshes++;
 555                         MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_frontNoEx();
 556                         MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(r.p);
 557                         if(block) {
 558                                 // Delete the old mesh
 559                                 if(block->mesh != NULL)
 560                                 {
 561                                         // TODO: Remove hardware buffers of meshbuffers of block->mesh
 562                                         delete block->mesh;
 563                                         block->mesh = NULL;
 564                                 }
 565
 566                                 // Replace with the new mesh
 567                                 block->mesh = r.mesh;
 568                         } else {
 569                                 delete r.mesh;
 570                         }
 571
 572                         if(r.ack_block_to_server) {
 573                                 /*
 574                                         Acknowledge block
 575                                         [0] u8 count
 576                                         [1] v3s16 pos_0
 577                                 */
 578                                 NetworkPacket* pkt = new NetworkPacket(TOSERVER_GOTBLOCKS, 1 + 6);
 579                                 *pkt << (u8) 1 << r.p;
 580                                 Send(pkt);
 581                         }
 582                 }
 583
 584                 if(num_processed_meshes > 0)
 585                         g_profiler->graphAdd("num_processed_meshes", num_processed_meshes);
 586         }
 587
 588         /*
 589                 Load fetched media
 590         */
 591         if (m_media_downloader && m_media_downloader->isStarted()) {
 592                 m_media_downloader->step(this);
 593                 if (m_media_downloader->isDone()) {
 594                         received_media();
 595                         delete m_media_downloader;
 596                         m_media_downloader = NULL;
 597                 }
 598         }
 599
 600         /*
 601                 If the server didn't update the inventory in a while, revert
 602                 the local inventory (so the player notices the lag problem
 603                 and knows something is wrong).
 604         */
 605         if(m_inventory_from_server)
 606         {
 607                 float interval = 10.0;
 608                 float count_before = floor(m_inventory_from_server_age / interval);
 609
 610                 m_inventory_from_server_age += dtime;
 611
 612                 float count_after = floor(m_inventory_from_server_age / interval);
 613
 614                 if(count_after != count_before)
 615                 {
 616                         // Do this every <interval> seconds after TOCLIENT_INVENTORY
 617                         // Reset the locally changed inventory to the authoritative inventory
 618                         Player *player = m_env.getLocalPlayer();
 619                         player->inventory = *m_inventory_from_server;
 620                         m_inventory_updated = true;
 621                 }
 622         }
 623
 624         /*
 625                 Update positions of sounds attached to objects
 626         */
 627         {
 628                 for(std::map<int, u16>::iterator
 629                                 i = m_sounds_to_objects.begin();
 630                                 i != m_sounds_to_objects.end(); i++)
 631                 {
 632                         int client_id = i->first;
 633                         u16 object_id = i->second;
 634                         ClientActiveObject *cao = m_env.getActiveObject(object_id);
 635                         if(!cao)
 636                                 continue;
 637                         v3f pos = cao->getPosition();
 638                         m_sound->updateSoundPosition(client_id, pos);
 639                 }
 640         }
 641
 642         /*
 643                 Handle removed remotely initiated sounds
 644         */
 645         m_removed_sounds_check_timer += dtime;
 646         if(m_removed_sounds_check_timer >= 2.32) {
 647                 m_removed_sounds_check_timer = 0;
 648                 // Find removed sounds and clear references to them
 649                 std::set<s32> removed_server_ids;
 650                 for(std::map<s32, int>::iterator
 651                                 i = m_sounds_server_to_client.begin();
 652                                 i != m_sounds_server_to_client.end();) {
 653                         s32 server_id = i->first;
 654                         int client_id = i->second;
 655                         i++;
 656                         if(!m_sound->soundExists(client_id)) {
 657                                 m_sounds_server_to_client.erase(server_id);
 658                                 m_sounds_client_to_server.erase(client_id);
 659                                 m_sounds_to_objects.erase(client_id);
 660                                 removed_server_ids.insert(server_id);
 661                         }
 662                 }
 663
 664                 // Sync to server
 665                 if(!removed_server_ids.empty()) {
 666                         size_t server_ids = removed_server_ids.size();
 667                         assert(server_ids <= 0xFFFF);
 668
 669                         NetworkPacket* pkt = new NetworkPacket(TOSERVER_REMOVED_SOUNDS, 2 + server_ids * 4);
 670
 671                         *pkt << (u16) (server_ids & 0xFFFF);
 672
 673                         for(std::set<s32>::iterator i = removed_server_ids.begin();
 674                                         i != removed_server_ids.end(); i++)
 675                                 *pkt << *i;
 676
 677                         Send(pkt);
 678                 }
 679         }
 680
 681         // Write server map
 682         if (m_localdb && m_localdb_save_interval.step(dtime,
 683                         m_cache_save_interval)) {
 684                 m_localdb->endSave();
 685                 m_localdb->beginSave();
 686         }
 687 }
 688
 689 bool Client::loadMedia(const std::string &data, const std::string &filename)
 690 {
 691         // Silly irrlicht's const-incorrectness
 692         Buffer<char> data_rw(data.c_str(), data.size());
 693
 694         std::string name;
 695
 696         const char *image_ext[] = {
 697                 ".png", ".jpg", ".bmp", ".tga",
 698                 ".pcx", ".ppm", ".psd", ".wal", ".rgb",
 699                 NULL
 700         };
 701         name = removeStringEnd(filename, image_ext);
 702         if(name != "")
 703         {
 704                 verbosestream<<"Client: Attempting to load image "
 705                 <<"file \""<<filename<<"\""<<std::endl;
 706
 707                 io::IFileSystem *irrfs = m_device->getFileSystem();
 708                 video::IVideoDriver *vdrv = m_device->getVideoDriver();
 709
 710                 // Create an irrlicht memory file
 711                 io::IReadFile *rfile = irrfs->createMemoryReadFile(
 712                                 *data_rw, data_rw.getSize(), "_tempreadfile");
 713
 714                 FATAL_ERROR_IF(!rfile, "Could not create irrlicht memory file.");
 715
 716                 // Read image
 717                 video::IImage *img = vdrv->createImageFromFile(rfile);
 718                 if(!img){
 719                         errorstream<<"Client: Cannot create image from data of "
 720                                         <<"file \""<<filename<<"\""<<std::endl;
 721                         rfile->drop();
 722                         return false;
 723                 }
 724                 else {
 725                         m_tsrc->insertSourceImage(filename, img);
 726                         img->drop();
 727                         rfile->drop();
 728                         return true;
 729                 }
 730         }
 731
 732         const char *sound_ext[] = {
 733                 ".0.ogg", ".1.ogg", ".2.ogg", ".3.ogg", ".4.ogg",
 734                 ".5.ogg", ".6.ogg", ".7.ogg", ".8.ogg", ".9.ogg",
 735                 ".ogg", NULL
 736         };
 737         name = removeStringEnd(filename, sound_ext);
 738         if(name != "")
 739         {
 740                 verbosestream<<"Client: Attempting to load sound "
 741                 <<"file \""<<filename<<"\""<<std::endl;
 742                 m_sound->loadSoundData(name, data);
 743                 return true;
 744         }
 745
 746         const char *model_ext[] = {
 747                 ".x", ".b3d", ".md2", ".obj",
 748                 NULL
 749         };
 750         name = removeStringEnd(filename, model_ext);
 751         if(name != "")
 752         {
 753                 verbosestream<<"Client: Storing model into memory: "
 754                                 <<"\""<<filename<<"\""<<std::endl;
 755                 if(m_mesh_data.count(filename))
 756                         errorstream<<"Multiple models with name \""<<filename.c_str()
 757                                         <<"\" found; replacing previous model"<<std::endl;
 758                 m_mesh_data[filename] = data;
 759                 return true;
 760         }
 761
 762         errorstream<<"Client: Don't know how to load file \""
 763                         <<filename<<"\""<<std::endl;
 764         return false;
 765 }
 766
 767 // Virtual methods from con::PeerHandler
 768 void Client::peerAdded(con::Peer *peer)
 769 {
 770         infostream<<"Client::peerAdded(): peer->id="
 771                         <<peer->id<<std::endl;
 772 }
 773 void Client::deletingPeer(con::Peer *peer, bool timeout)
 774 {
 775         infostream<<"Client::deletingPeer(): "
 776                         "Server Peer is getting deleted "
 777                         <<"(timeout="<<timeout<<")"<<std::endl;
 778 }
 779
 780 /*
 781         u16 command
 782         u16 number of files requested
 783         for each file {
 784                 u16 length of name
 785                 string name
 786         }
 787 */
 788 void Client::request_media(const std::vector<std::string> &file_requests)
 789 {
 790         std::ostringstream os(std::ios_base::binary);
 791         writeU16(os, TOSERVER_REQUEST_MEDIA);
 792         size_t file_requests_size = file_requests.size();
 793
 794         FATAL_ERROR_IF(file_requests_size > 0xFFFF, "Unsupported number of file requests");
 795
 796         // Packet dynamicly resized
 797         NetworkPacket* pkt = new NetworkPacket(TOSERVER_REQUEST_MEDIA, 2 + 0);
 798
 799         *pkt << (u16) (file_requests_size & 0xFFFF);
 800
 801         for(std::vector<std::string>::const_iterator i = file_requests.begin();
 802                         i != file_requests.end(); ++i) {
 803                 *pkt << (*i);
 804         }
 805
 806         Send(pkt);
 807
 808         infostream<<"Client: Sending media request list to server ("
 809                         <<file_requests.size()<<" files. packet size)"<<std::endl;
 810 }
 811
 812 void Client::received_media()
 813 {
 814         NetworkPacket* pkt = new NetworkPacket(TOSERVER_RECEIVED_MEDIA, 0);
 815         Send(pkt);
 816         infostream<<"Client: Notifying server that we received all media"
 817                         <<std::endl;
 818 }
 819
 820 void Client::initLocalMapSaving(const Address &address,
 821                 const std::string &hostname,
 822                 bool is_local_server)
 823 {
 824         if (!g_settings->getBool("enable_local_map_saving") || is_local_server) {
 825                 return;
 826         }
 827
 828         const std::string world_path = porting::path_user
 829                 + DIR_DELIM + "worlds"
 830                 + DIR_DELIM + "server_"
 831                 + hostname + "_" + to_string(address.getPort());
 832
 833         fs::CreateAllDirs(world_path);
 834
 835         m_localdb = new Database_SQLite3(world_path);
 836         m_localdb->beginSave();
 837         actionstream << "Local map saving started, map will be saved at '" << world_path << "'" << std::endl;
 838 }
 839
 840 void Client::ReceiveAll()
 841 {
 842         DSTACK(__FUNCTION_NAME);
 843         u32 start_ms = porting::getTimeMs();
 844         for(;;)
 845         {
 846                 // Limit time even if there would be huge amounts of data to
 847                 // process
 848                 if(porting::getTimeMs() > start_ms + 100)
 849                         break;
 850
 851                 try {
 852                         Receive();
 853                         g_profiler->graphAdd("client_received_packets", 1);
 854                 }
 855                 catch(con::NoIncomingDataException &e) {
 856                         break;
 857                 }
 858                 catch(con::InvalidIncomingDataException &e) {
 859                         infostream<<"Client::ReceiveAll(): "
 860                                         "InvalidIncomingDataException: what()="
 861                                         <<e.what()<<std::endl;
 862                 }
 863         }
 864 }
 865
 866 void Client::Receive()
 867 {
 868         DSTACK(__FUNCTION_NAME);
 869         SharedBuffer<u8> data;
 870         u16 sender_peer_id;
 871         u32 datasize = m_con.Receive(sender_peer_id, data);
 872         ProcessData(*data, datasize, sender_peer_id);
 873 }
 874
 875 inline void Client::handleCommand(NetworkPacket* pkt)
 876 {
 877         const ToClientCommandHandler& opHandle = toClientCommandTable[pkt->getCommand()];
 878         (this->*opHandle.handler)(pkt);
 879 }
 880
 881 /*
 882         sender_peer_id given to this shall be quaranteed to be a valid peer
 883 */
 884 void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
 885 {
 886         DSTACK(__FUNCTION_NAME);
 887
 888         // Ignore packets that don't even fit a command
 889         if(datasize < 2) {
 890                 m_packetcounter.add(60000);
 891                 return;
 892         }
 893
 894         NetworkPacket* pkt = new NetworkPacket(data, datasize, sender_peer_id);
 895
 896         ToClientCommand command = (ToClientCommand) pkt->getCommand();
 897
 898         //infostream<<"Client: received command="<<command<<std::endl;
 899         m_packetcounter.add((u16)command);
 900
 901         /*
 902                 If this check is removed, be sure to change the queue
 903                 system to know the ids
 904         */
 905         if(sender_peer_id != PEER_ID_SERVER) {
 906                 infostream << "Client::ProcessData(): Discarding data not "
 907                         "coming from server: peer_id=" << sender_peer_id
 908                         << std::endl;
 909                 delete pkt;
 910                 return;
 911         }
 912
 913         // Command must be handled into ToClientCommandHandler
 914         if (command >= TOCLIENT_NUM_MSG_TYPES) {
 915                 infostream << "Client: Ignoring unknown command "
 916                         << command << std::endl;
 917         }
 918
 919         /*
 920          * Those packets are handled before m_server_ser_ver is set, it's normal
 921          * But we must use the new ToClientConnectionState in the future,
 922          * as a byte mask
 923          */
 924         if(toClientCommandTable[command].state == TOCLIENT_STATE_NOT_CONNECTED) {
 925                 handleCommand(pkt);
 926                 delete pkt;
 927                 return;
 928         }
 929
 930         if(m_server_ser_ver == SER_FMT_VER_INVALID) {
 931                 infostream << "Client: Server serialization"
 932                                 " format invalid or not initialized."
 933                                 " Skipping incoming command=" << command << std::endl;
 934                 delete pkt;
 935                 return;
 936         }
 937
 938         /*
 939           Handle runtime commands
 940         */
 941
 942         handleCommand(pkt);
 943         delete pkt;
 944 }
 945
 946 void Client::Send(NetworkPacket* pkt)
 947 {
 948         m_con.Send(PEER_ID_SERVER,
 949                 serverCommandFactoryTable[pkt->getCommand()].channel,
 950                 pkt,
 951                 serverCommandFactoryTable[pkt->getCommand()].reliable);
 952         delete pkt;
 953 }
 954
 955 void Client::interact(u8 action, const PointedThing& pointed)
 956 {
 957         if(m_state != LC_Ready) {
 958                 errorstream << "Client::interact() "
 959                                 "cancelled (not connected)"
 960                                 << std::endl;
 961                 return;
 962         }
 963
 964         /*
 965                 [0] u16 command
 966                 [2] u8 action
 967                 [3] u16 item
 968                 [5] u32 length of the next item
 969                 [9] serialized PointedThing
 970                 actions:
 971                 0: start digging (from undersurface) or use
 972                 1: stop digging (all parameters ignored)
 973                 2: digging completed
 974                 3: place block or item (to abovesurface)
 975                 4: use item
 976         */
 977
 978         NetworkPacket* pkt = new NetworkPacket(TOSERVER_INTERACT, 1 + 2 + 0);
 979
 980         *pkt << action;
 981         *pkt << (u16)getPlayerItem();
 982
 983         std::ostringstream tmp_os(std::ios::binary);
 984         pointed.serialize(tmp_os);
 985
 986         pkt->putLongString(tmp_os.str());
 987
 988         Send(pkt);
 989 }
 990
 991 void Client::sendNodemetaFields(v3s16 p, const std::string &formname,
 992                 const std::map<std::string, std::string> &fields)
 993 {
 994         size_t fields_size = fields.size();
 995
 996         FATAL_ERROR_IF(fields_size > 0xFFFF, "Unsupported number of nodemeta fields");
 997
 998         NetworkPacket* pkt = new NetworkPacket(TOSERVER_NODEMETA_FIELDS, 0);
 999
1000         *pkt << p << formname << (u16) (fields_size & 0xFFFF);
1001
1002         for(std::map<std::string, std::string>::const_iterator
1003                         i = fields.begin(); i != fields.end(); i++) {
1004                 const std::string &name = i->first;
1005                 const std::string &value = i->second;
1006                 *pkt << name;
1007                 pkt->putLongString(value);
1008         }
1009
1010         Send(pkt);
1011 }
1012
1013 void Client::sendInventoryFields(const std::string &formname,
1014                 const std::map<std::string, std::string> &fields)
1015 {
1016         size_t fields_size = fields.size();
1017         FATAL_ERROR_IF(fields_size > 0xFFFF, "Unsupported number of inventory fields");
1018
1019         NetworkPacket* pkt = new NetworkPacket(TOSERVER_INVENTORY_FIELDS, 0);
1020         *pkt << formname << (u16) (fields_size & 0xFFFF);
1021
1022         for(std::map<std::string, std::string>::const_iterator
1023                         i = fields.begin(); i != fields.end(); i++) {
1024                 const std::string &name  = i->first;
1025                 const std::string &value = i->second;
1026                 *pkt << name;
1027                 pkt->putLongString(value);
1028         }
1029
1030         Send(pkt);
1031 }
1032
1033 void Client::sendInventoryAction(InventoryAction *a)
1034 {
1035         std::ostringstream os(std::ios_base::binary);
1036
1037         a->serialize(os);
1038
1039         // Make data buffer
1040         std::string s = os.str();
1041
1042         NetworkPacket* pkt = new NetworkPacket(TOSERVER_INVENTORY_ACTION, s.size());
1043         pkt->putRawString(s.c_str(),s.size());
1044
1045         Send(pkt);
1046 }
1047
1048 void Client::sendChatMessage(const std::wstring &message)
1049 {
1050         NetworkPacket* pkt = new NetworkPacket(TOSERVER_CHAT_MESSAGE, 2 + message.size() * sizeof(u16));
1051
1052         *pkt << message;
1053
1054         Send(pkt);
1055 }
1056
1057 void Client::sendChangePassword(const std::wstring &oldpassword,
1058         const std::wstring &newpassword)
1059 {
1060         Player *player = m_env.getLocalPlayer();
1061         if(player == NULL)
1062                 return;
1063
1064         std::string playername = player->getName();
1065         std::string oldpwd = translatePassword(playername, oldpassword);
1066         std::string newpwd = translatePassword(playername, newpassword);
1067
1068         NetworkPacket* pkt = new NetworkPacket(TOSERVER_PASSWORD_LEGACY, 2 * PASSWORD_SIZE);
1069
1070         for(u8 i = 0; i < PASSWORD_SIZE; i++) {
1071                 *pkt << (u8) (i < oldpwd.length() ? oldpwd[i] : 0);
1072         }
1073
1074         for(u8 i = 0; i < PASSWORD_SIZE; i++) {
1075                 *pkt << (u8) (i < newpwd.length() ? newpwd[i] : 0);
1076         }
1077
1078         Send(pkt);
1079 }
1080
1081
1082 void Client::sendDamage(u8 damage)
1083 {
1084         DSTACK(__FUNCTION_NAME);
1085
1086         NetworkPacket* pkt = new NetworkPacket(TOSERVER_DAMAGE, sizeof(u8));
1087         *pkt << damage;
1088         Send(pkt);
1089 }
1090
1091 void Client::sendBreath(u16 breath)
1092 {
1093         DSTACK(__FUNCTION_NAME);
1094
1095         NetworkPacket* pkt = new NetworkPacket(TOSERVER_BREATH, sizeof(u16));
1096         *pkt << breath;
1097         Send(pkt);
1098 }
1099
1100 void Client::sendRespawn()
1101 {
1102         DSTACK(__FUNCTION_NAME);
1103
1104         NetworkPacket* pkt = new NetworkPacket(TOSERVER_RESPAWN, 0);
1105         Send(pkt);
1106 }
1107
1108 void Client::sendReady()
1109 {
1110         DSTACK(__FUNCTION_NAME);
1111
1112         NetworkPacket* pkt = new NetworkPacket(TOSERVER_CLIENT_READY,
1113                         1 + 1 + 1 + 1 + 2 + sizeof(char) * strlen(minetest_version_hash));
1114
1115         *pkt << (u8) VERSION_MAJOR << (u8) VERSION_MINOR << (u8) VERSION_PATCH_ORIG
1116                 << (u8) 0 << (u16) strlen(minetest_version_hash);
1117
1118         pkt->putRawString(minetest_version_hash, (u16) strlen(minetest_version_hash));
1119         Send(pkt);
1120 }
1121
1122 void Client::sendPlayerPos()
1123 {
1124         LocalPlayer *myplayer = m_env.getLocalPlayer();
1125         if(myplayer == NULL)
1126                 return;
1127
1128         // Save bandwidth by only updating position when something changed
1129         if(myplayer->last_position        == myplayer->getPosition() &&
1130                         myplayer->last_speed      == myplayer->getSpeed()    &&
1131                         myplayer->last_pitch      == myplayer->getPitch()    &&
1132                         myplayer->last_yaw        == myplayer->getYaw()      &&
1133                         myplayer->last_keyPressed == myplayer->keyPressed)
1134                 return;
1135
1136         myplayer->last_position   = myplayer->getPosition();
1137         myplayer->last_speed      = myplayer->getSpeed();
1138         myplayer->last_pitch      = myplayer->getPitch();
1139         myplayer->last_yaw        = myplayer->getYaw();
1140         myplayer->last_keyPressed = myplayer->keyPressed;
1141
1142         u16 our_peer_id;
1143         {
1144                 //JMutexAutoLock lock(m_con_mutex); //bulk comment-out
1145                 our_peer_id = m_con.GetPeerID();
1146         }
1147
1148         // Set peer id if not set already
1149         if(myplayer->peer_id == PEER_ID_INEXISTENT)
1150                 myplayer->peer_id = our_peer_id;
1151
1152         assert(myplayer->peer_id == our_peer_id);
1153
1154         v3f pf         = myplayer->getPosition();
1155         v3f sf         = myplayer->getSpeed();
1156         s32 pitch      = myplayer->getPitch() * 100;
1157         s32 yaw        = myplayer->getYaw() * 100;
1158         u32 keyPressed = myplayer->keyPressed;
1159
1160         v3s32 position(pf.X*100, pf.Y*100, pf.Z*100);
1161         v3s32 speed(sf.X*100, sf.Y*100, sf.Z*100);
1162         /*
1163                 Format:
1164                 [0] v3s32 position*100
1165                 [12] v3s32 speed*100
1166                 [12+12] s32 pitch*100
1167                 [12+12+4] s32 yaw*100
1168                 [12+12+4+4] u32 keyPressed
1169         */
1170
1171         NetworkPacket* pkt = new NetworkPacket(TOSERVER_PLAYERPOS, 12 + 12 + 4 + 4 + 4);
1172
1173         *pkt << position << speed << pitch << yaw << keyPressed;
1174
1175         Send(pkt);
1176 }
1177
1178 void Client::sendPlayerItem(u16 item)
1179 {
1180         Player *myplayer = m_env.getLocalPlayer();
1181         if(myplayer == NULL)
1182                 return;
1183
1184         u16 our_peer_id = m_con.GetPeerID();
1185
1186         // Set peer id if not set already
1187         if(myplayer->peer_id == PEER_ID_INEXISTENT)
1188                 myplayer->peer_id = our_peer_id;
1189         assert(myplayer->peer_id == our_peer_id);
1190
1191         NetworkPacket* pkt = new NetworkPacket(TOSERVER_PLAYERITEM, 2);
1192
1193         *pkt << item;
1194
1195         Send(pkt);
1196 }
1197
1198 void Client::removeNode(v3s16 p)
1199 {
1200         std::map<v3s16, MapBlock*> modified_blocks;
1201
1202         try {
1203                 m_env.getMap().removeNodeAndUpdate(p, modified_blocks);
1204         }
1205         catch(InvalidPositionException &e) {
1206         }
1207
1208         for(std::map<v3s16, MapBlock *>::iterator
1209                         i = modified_blocks.begin();
1210                         i != modified_blocks.end(); ++i) {
1211                 addUpdateMeshTaskWithEdge(i->first, false, true);
1212         }
1213 }
1214
1215 void Client::addNode(v3s16 p, MapNode n, bool remove_metadata)
1216 {
1217         //TimeTaker timer1("Client::addNode()");
1218
1219         std::map<v3s16, MapBlock*> modified_blocks;
1220
1221         try {
1222                 //TimeTaker timer3("Client::addNode(): addNodeAndUpdate");
1223                 m_env.getMap().addNodeAndUpdate(p, n, modified_blocks, remove_metadata);
1224         }
1225         catch(InvalidPositionException &e) {
1226         }
1227
1228         for(std::map<v3s16, MapBlock *>::iterator
1229                         i = modified_blocks.begin();
1230                         i != modified_blocks.end(); ++i) {
1231                 addUpdateMeshTaskWithEdge(i->first, false, true);
1232         }
1233 }
1234
1235 void Client::setPlayerControl(PlayerControl &control)
1236 {
1237         LocalPlayer *player = m_env.getLocalPlayer();
1238         assert(player != NULL);
1239         player->control = control;
1240 }
1241
1242 void Client::selectPlayerItem(u16 item)
1243 {
1244         m_playeritem = item;
1245         m_inventory_updated = true;
1246         sendPlayerItem(item);
1247 }
1248
1249 // Returns true if the inventory of the local player has been
1250 // updated from the server. If it is true, it is set to false.
1251 bool Client::getLocalInventoryUpdated()
1252 {
1253         bool updated = m_inventory_updated;
1254         m_inventory_updated = false;
1255         return updated;
1256 }
1257
1258 // Copies the inventory of the local player to parameter
1259 void Client::getLocalInventory(Inventory &dst)
1260 {
1261         Player *player = m_env.getLocalPlayer();
1262         assert(player != NULL);
1263         dst = player->inventory;
1264 }
1265
1266 Inventory* Client::getInventory(const InventoryLocation &loc)
1267 {
1268         switch(loc.type){
1269         case InventoryLocation::UNDEFINED:
1270         {}
1271         break;
1272         case InventoryLocation::CURRENT_PLAYER:
1273         {
1274                 Player *player = m_env.getLocalPlayer();
1275                 assert(player != NULL);
1276                 return &player->inventory;
1277         }
1278         break;
1279         case InventoryLocation::PLAYER:
1280         {
1281                 Player *player = m_env.getPlayer(loc.name.c_str());
1282                 if(!player)
1283                         return NULL;
1284                 return &player->inventory;
1285         }
1286         break;
1287         case InventoryLocation::NODEMETA:
1288         {
1289                 NodeMetadata *meta = m_env.getMap().getNodeMetadata(loc.p);
1290                 if(!meta)
1291                         return NULL;
1292                 return meta->getInventory();
1293         }
1294         break;
1295         case InventoryLocation::DETACHED:
1296         {
1297                 if(m_detached_inventories.count(loc.name) == 0)
1298                         return NULL;
1299                 return m_detached_inventories[loc.name];
1300         }
1301         break;
1302         default:
1303                 FATAL_ERROR("Invalid inventory location type.");
1304         }
1305         return NULL;
1306 }
1307
1308 void Client::inventoryAction(InventoryAction *a)
1309 {
1310         /*
1311                 Send it to the server
1312         */
1313         sendInventoryAction(a);
1314
1315         /*
1316                 Predict some local inventory changes
1317         */
1318         a->clientApply(this, this);
1319
1320         // Remove it
1321         delete a;
1322 }
1323
1324 ClientActiveObject * Client::getSelectedActiveObject(
1325                 f32 max_d,
1326                 v3f from_pos_f_on_map,
1327                 core::line3d<f32> shootline_on_map
1328         )
1329 {
1330         std::vector<DistanceSortedActiveObject> objects;
1331
1332         m_env.getActiveObjects(from_pos_f_on_map, max_d, objects);
1333
1334         // Sort them.
1335         // After this, the closest object is the first in the array.
1336         std::sort(objects.begin(), objects.end());
1337
1338         for(unsigned int i=0; i<objects.size(); i++)
1339         {
1340                 ClientActiveObject *obj = objects[i].obj;
1341
1342                 core::aabbox3d<f32> *selection_box = obj->getSelectionBox();
1343                 if(selection_box == NULL)
1344                         continue;
1345
1346                 v3f pos = obj->getPosition();
1347
1348                 core::aabbox3d<f32> offsetted_box(
1349                                 selection_box->MinEdge + pos,
1350                                 selection_box->MaxEdge + pos
1351                 );
1352
1353                 if(offsetted_box.intersectsWithLine(shootline_on_map))
1354                 {
1355                         return obj;
1356                 }
1357         }
1358
1359         return NULL;
1360 }
1361
1362 std::list<std::string> Client::getConnectedPlayerNames()
1363 {
1364         return m_env.getPlayerNames();
1365 }
1366
1367 float Client::getAnimationTime()
1368 {
1369         return m_animation_time;
1370 }
1371
1372 int Client::getCrackLevel()
1373 {
1374         return m_crack_level;
1375 }
1376
1377 void Client::setHighlighted(v3s16 pos, bool show_highlighted)
1378 {
1379         m_show_highlighted = show_highlighted;
1380         v3s16 old_highlighted_pos = m_highlighted_pos;
1381         m_highlighted_pos = pos;
1382         addUpdateMeshTaskForNode(old_highlighted_pos, false, true);
1383         addUpdateMeshTaskForNode(m_highlighted_pos, false, true);
1384 }
1385
1386 void Client::setCrack(int level, v3s16 pos)
1387 {
1388         int old_crack_level = m_crack_level;
1389         v3s16 old_crack_pos = m_crack_pos;
1390
1391         m_crack_level = level;
1392         m_crack_pos = pos;
1393
1394         if(old_crack_level >= 0 && (level < 0 || pos != old_crack_pos))
1395         {
1396                 // remove old crack
1397                 addUpdateMeshTaskForNode(old_crack_pos, false, true);
1398         }
1399         if(level >= 0 && (old_crack_level < 0 || pos != old_crack_pos))
1400         {
1401                 // add new crack
1402                 addUpdateMeshTaskForNode(pos, false, true);
1403         }
1404 }
1405
1406 u16 Client::getHP()
1407 {
1408         Player *player = m_env.getLocalPlayer();
1409         assert(player != NULL);
1410         return player->hp;
1411 }
1412
1413 u16 Client::getBreath()
1414 {
1415         Player *player = m_env.getLocalPlayer();
1416         assert(player != NULL);
1417         return player->getBreath();
1418 }
1419
1420 bool Client::getChatMessage(std::wstring &message)
1421 {
1422         if(m_chat_queue.size() == 0)
1423                 return false;
1424         message = m_chat_queue.front();
1425         m_chat_queue.pop();
1426         return true;
1427 }
1428
1429 void Client::typeChatMessage(const std::wstring &message)
1430 {
1431         // Discard empty line
1432         if(message == L"")
1433                 return;
1434
1435         // Send to others
1436         sendChatMessage(message);
1437
1438         // Show locally
1439         if (message[0] == L'/')
1440         {
1441                 m_chat_queue.push((std::wstring)L"issued command: " + message);
1442         }
1443         else
1444         {
1445                 LocalPlayer *player = m_env.getLocalPlayer();
1446                 assert(player != NULL);
1447                 std::wstring name = narrow_to_wide(player->getName());
1448                 m_chat_queue.push((std::wstring)L"<" + name + L"> " + message);
1449         }
1450 }
1451
1452 void Client::addUpdateMeshTask(v3s16 p, bool ack_to_server, bool urgent)
1453 {
1454         MapBlock *b = m_env.getMap().getBlockNoCreateNoEx(p);
1455         if(b == NULL)
1456                 return;
1457
1458         /*
1459                 Create a task to update the mesh of the block
1460         */
1461
1462         MeshMakeData *data = new MeshMakeData(this, m_cache_enable_shaders);
1463
1464         {
1465                 //TimeTaker timer("data fill");
1466                 // Release: ~0ms
1467                 // Debug: 1-6ms, avg=2ms
1468                 data->fill(b);
1469                 data->setCrack(m_crack_level, m_crack_pos);
1470                 data->setHighlighted(m_highlighted_pos, m_show_highlighted);
1471                 data->setSmoothLighting(m_cache_smooth_lighting);
1472         }
1473
1474         // Add task to queue
1475         m_mesh_update_thread.m_queue_in.addBlock(p, data, ack_to_server, urgent);
1476 }
1477
1478 void Client::addUpdateMeshTaskWithEdge(v3s16 blockpos, bool ack_to_server, bool urgent)
1479 {
1480         try{
1481                 addUpdateMeshTask(blockpos, ack_to_server, urgent);
1482         }
1483         catch(InvalidPositionException &e){}
1484
1485         // Leading edge
1486         for (int i=0;i<6;i++)
1487         {
1488                 try{
1489                         v3s16 p = blockpos + g_6dirs[i];
1490                         addUpdateMeshTask(p, false, urgent);
1491                 }
1492                 catch(InvalidPositionException &e){}
1493         }
1494 }
1495
1496 void Client::addUpdateMeshTaskForNode(v3s16 nodepos, bool ack_to_server, bool urgent)
1497 {
1498         {
1499                 v3s16 p = nodepos;
1500                 infostream<<"Client::addUpdateMeshTaskForNode(): "
1501                                 <<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"
1502                                 <<std::endl;
1503         }
1504
1505         v3s16 blockpos          = getNodeBlockPos(nodepos);
1506         v3s16 blockpos_relative = blockpos * MAP_BLOCKSIZE;
1507
1508         try{
1509                 addUpdateMeshTask(blockpos, ack_to_server, urgent);
1510         }
1511         catch(InvalidPositionException &e) {}
1512
1513         // Leading edge
1514         if(nodepos.X == blockpos_relative.X){
1515                 try{
1516                         v3s16 p = blockpos + v3s16(-1,0,0);
1517                         addUpdateMeshTask(p, false, urgent);
1518                 }
1519                 catch(InvalidPositionException &e){}
1520         }
1521
1522         if(nodepos.Y == blockpos_relative.Y){
1523                 try{
1524                         v3s16 p = blockpos + v3s16(0,-1,0);
1525                         addUpdateMeshTask(p, false, urgent);
1526                 }
1527                 catch(InvalidPositionException &e){}
1528         }
1529
1530         if(nodepos.Z == blockpos_relative.Z){
1531                 try{
1532                         v3s16 p = blockpos + v3s16(0,0,-1);
1533                         addUpdateMeshTask(p, false, urgent);
1534                 }
1535                 catch(InvalidPositionException &e){}
1536         }
1537 }
1538
1539 ClientEvent Client::getClientEvent()
1540 {
1541         ClientEvent event;
1542         if(m_client_event_queue.size() == 0) {
1543                 event.type = CE_NONE;
1544         }
1545         else {
1546                 event = m_client_event_queue.front();
1547                 m_client_event_queue.pop();
1548         }
1549         return event;
1550 }
1551
1552 float Client::mediaReceiveProgress()
1553 {
1554         if (m_media_downloader)
1555                 return m_media_downloader->getProgress();
1556         else
1557                 return 1.0; // downloader only exists when not yet done
1558 }
1559
1560 void Client::afterContentReceived(IrrlichtDevice *device, gui::IGUIFont* font)
1561 {
1562         infostream<<"Client::afterContentReceived() started"<<std::endl;
1563         assert(m_itemdef_received); // pre-condition
1564         assert(m_nodedef_received); // pre-condition
1565         assert(mediaReceived()); // pre-condition
1566
1567         const wchar_t* text = wgettext("Loading textures...");
1568
1569         // Rebuild inherited images and recreate textures
1570         infostream<<"- Rebuilding images and textures"<<std::endl;
1571         draw_load_screen(text,device, guienv, 0, 70);
1572         m_tsrc->rebuildImagesAndTextures();
1573         delete[] text;
1574
1575         // Rebuild shaders
1576         infostream<<"- Rebuilding shaders"<<std::endl;
1577         text = wgettext("Rebuilding shaders...");
1578         draw_load_screen(text, device, guienv, 0, 75);
1579         m_shsrc->rebuildShaders();
1580         delete[] text;
1581
1582         // Update node aliases
1583         infostream<<"- Updating node aliases"<<std::endl;
1584         text = wgettext("Initializing nodes...");
1585         draw_load_screen(text, device, guienv, 0, 80);
1586         m_nodedef->updateAliases(m_itemdef);
1587         m_nodedef->setNodeRegistrationStatus(true);
1588         m_nodedef->runNodeResolverCallbacks();
1589         delete[] text;
1590
1591         // Update node textures and assign shaders to each tile
1592         infostream<<"- Updating node textures"<<std::endl;
1593         m_nodedef->updateTextures(this);
1594
1595         // Preload item textures and meshes if configured to
1596         if(g_settings->getBool("preload_item_visuals"))
1597         {
1598                 verbosestream<<"Updating item textures and meshes"<<std::endl;
1599                 text = wgettext("Item textures...");
1600                 draw_load_screen(text, device, guienv, 0, 0);
1601                 std::set<std::string> names = m_itemdef->getAll();
1602                 size_t size = names.size();
1603                 size_t count = 0;
1604                 int percent = 0;
1605                 for(std::set<std::string>::const_iterator
1606                                 i = names.begin(); i != names.end(); ++i)
1607                 {
1608                         // Asking for these caches the result
1609                         m_itemdef->getInventoryTexture(*i, this);
1610                         m_itemdef->getWieldMesh(*i, this);
1611                         count++;
1612                         percent = (count * 100 / size * 0.2) + 80;
1613                         draw_load_screen(text, device, guienv, 0, percent);
1614                 }
1615                 delete[] text;
1616         }
1617
1618         // Start mesh update thread after setting up content definitions
1619         infostream<<"- Starting mesh update thread"<<std::endl;
1620         m_mesh_update_thread.Start();
1621
1622         m_state = LC_Ready;
1623         sendReady();
1624         text = wgettext("Done!");
1625         draw_load_screen(text, device, guienv, 0, 100);
1626         infostream<<"Client::afterContentReceived() done"<<std::endl;
1627         delete[] text;
1628 }
1629
1630 float Client::getRTT(void)
1631 {
1632         return m_con.getPeerStat(PEER_ID_SERVER,con::AVG_RTT);
1633 }
1634
1635 float Client::getCurRate(void)
1636 {
1637         return ( m_con.getLocalStat(con::CUR_INC_RATE) +
1638                         m_con.getLocalStat(con::CUR_DL_RATE));
1639 }
1640
1641 float Client::getAvgRate(void)
1642 {
1643         return ( m_con.getLocalStat(con::AVG_INC_RATE) +
1644                         m_con.getLocalStat(con::AVG_DL_RATE));
1645 }
1646
1647 void Client::makeScreenshot(IrrlichtDevice *device)
1648 {
1649         irr::video::IVideoDriver *driver = device->getVideoDriver();
1650         irr::video::IImage* const raw_image = driver->createScreenShot();
1651         if (raw_image) {
1652                 irr::video::IImage* const image = driver->createImage(video::ECF_R8G8B8,
1653                         raw_image->getDimension());
1654
1655                 if (image) {
1656                         raw_image->copyTo(image);
1657                         irr::c8 filename[256];
1658                         snprintf(filename, sizeof(filename),
1659                                 (std::string("%s") + DIR_DELIM + "screenshot_%u.png").c_str(),
1660                                  g_settings->get("screenshot_path").c_str(),
1661                                  device->getTimer()->getRealTime());
1662                         std::ostringstream sstr;
1663                         if (driver->writeImageToFile(image, filename)) {
1664                                 sstr << "Saved screenshot to '" << filename << "'";
1665                         } else {
1666                                 sstr << "Failed to save screenshot '" << filename << "'";
1667                         }
1668                         m_chat_queue.push(narrow_to_wide(sstr.str()));
1669                         infostream << sstr.str() << std::endl;
1670                         image->drop();
1671                 }
1672                 raw_image->drop();
1673         }
1674 }
1675
1676 // IGameDef interface
1677 // Under envlock
1678 IItemDefManager* Client::getItemDefManager()
1679 {
1680         return m_itemdef;
1681 }
1682 INodeDefManager* Client::getNodeDefManager()
1683 {
1684         return m_nodedef;
1685 }
1686 ICraftDefManager* Client::getCraftDefManager()
1687 {
1688         return NULL;
1689         //return m_craftdef;
1690 }
1691 ITextureSource* Client::getTextureSource()
1692 {
1693         return m_tsrc;
1694 }
1695 IShaderSource* Client::getShaderSource()
1696 {
1697         return m_shsrc;
1698 }
1699 scene::ISceneManager* Client::getSceneManager()
1700 {
1701         return m_device->getSceneManager();
1702 }
1703 u16 Client::allocateUnknownNodeId(const std::string &name)
1704 {
1705         errorstream << "Client::allocateUnknownNodeId(): "
1706                         << "Client cannot allocate node IDs" << std::endl;
1707         FATAL_ERROR("Client allocated unknown node");
1708
1709         return CONTENT_IGNORE;
1710 }
1711 ISoundManager* Client::getSoundManager()
1712 {
1713         return m_sound;
1714 }
1715 MtEventManager* Client::getEventManager()
1716 {
1717         return m_event;
1718 }
1719
1720 ParticleManager* Client::getParticleManager()
1721 {
1722         return &m_particle_manager;
1723 }
1724
1725 scene::IAnimatedMesh* Client::getMesh(const std::string &filename)
1726 {
1727         std::map<std::string, std::string>::const_iterator i =
1728                         m_mesh_data.find(filename);
1729         if(i == m_mesh_data.end()){
1730                 errorstream<<"Client::getMesh(): Mesh not found: \""<<filename<<"\""
1731                                 <<std::endl;
1732                 return NULL;
1733         }
1734         const std::string &data    = i->second;
1735         scene::ISceneManager *smgr = m_device->getSceneManager();
1736
1737         // Create the mesh, remove it from cache and return it
1738         // This allows unique vertex colors and other properties for each instance
1739         Buffer<char> data_rw(data.c_str(), data.size()); // Const-incorrect Irrlicht
1740         io::IFileSystem *irrfs = m_device->getFileSystem();
1741         io::IReadFile *rfile   = irrfs->createMemoryReadFile(
1742                         *data_rw, data_rw.getSize(), filename.c_str());
1743         FATAL_ERROR_IF(!rfile, "Could not create/open RAM file");
1744
1745         scene::IAnimatedMesh *mesh = smgr->getMesh(rfile);
1746         rfile->drop();
1747         // NOTE: By playing with Irrlicht refcounts, maybe we could cache a bunch
1748         // of uniquely named instances and re-use them
1749         mesh->grab();
1750         smgr->getMeshCache()->removeMesh(mesh);
1751         return mesh;
1752 }