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                         sendLegacyInit(pName, pPassword);
 411                 }
 412
 413                 // Not connected, return
 414                 return;
 415         }
 416
 417         /*
 418                 Do stuff if connected
 419         */
 420
 421         /*
 422                 Run Map's timers and unload unused data
 423         */
 424         const float map_timer_and_unload_dtime = 5.25;
 425         if(m_map_timer_and_unload_interval.step(dtime, map_timer_and_unload_dtime)) {
 426                 ScopeProfiler sp(g_profiler, "Client: map timer and unload");
 427                 std::vector<v3s16> deleted_blocks;
 428                 m_env.getMap().timerUpdate(map_timer_and_unload_dtime,
 429                                 g_settings->getFloat("client_unload_unused_data_timeout"),
 430                                 &deleted_blocks);
 431
 432                 /*
 433                         Send info to server
 434                         NOTE: This loop is intentionally iterated the way it is.
 435                 */
 436
 437                 std::vector<v3s16>::iterator i = deleted_blocks.begin();
 438                 std::vector<v3s16> sendlist;
 439                 for(;;) {
 440                         if(sendlist.size() == 255 || i == deleted_blocks.end()) {
 441                                 if(sendlist.empty())
 442                                         break;
 443                                 /*
 444                                         [0] u16 command
 445                                         [2] u8 count
 446                                         [3] v3s16 pos_0
 447                                         [3+6] v3s16 pos_1
 448                                         ...
 449                                 */
 450
 451                                 sendDeletedBlocks(sendlist);
 452
 453                                 if(i == deleted_blocks.end())
 454                                         break;
 455
 456                                 sendlist.clear();
 457                         }
 458
 459                         sendlist.push_back(*i);
 460                         ++i;
 461                 }
 462         }
 463
 464         /*
 465                 Handle environment
 466         */
 467         // Control local player (0ms)
 468         LocalPlayer *player = m_env.getLocalPlayer();
 469         assert(player != NULL);
 470         player->applyControl(dtime);
 471
 472         // Step environment
 473         m_env.step(dtime);
 474
 475         /*
 476                 Get events
 477         */
 478         for(;;) {
 479                 ClientEnvEvent event = m_env.getClientEvent();
 480                 if(event.type == CEE_NONE) {
 481                         break;
 482                 }
 483                 else if(event.type == CEE_PLAYER_DAMAGE) {
 484                         if(m_ignore_damage_timer <= 0) {
 485                                 u8 damage = event.player_damage.amount;
 486
 487                                 if(event.player_damage.send_to_server)
 488                                         sendDamage(damage);
 489
 490                                 // Add to ClientEvent queue
 491                                 ClientEvent event;
 492                                 event.type = CE_PLAYER_DAMAGE;
 493                                 event.player_damage.amount = damage;
 494                                 m_client_event_queue.push(event);
 495                         }
 496                 }
 497                 else if(event.type == CEE_PLAYER_BREATH) {
 498                                 u16 breath = event.player_breath.amount;
 499                                 sendBreath(breath);
 500                 }
 501         }
 502
 503         /*
 504                 Print some info
 505         */
 506         float &counter = m_avg_rtt_timer;
 507         counter += dtime;
 508         if(counter >= 10) {
 509                 counter = 0.0;
 510                 // connectedAndInitialized() is true, peer exists.
 511                 float avg_rtt = getRTT();
 512                 infostream << "Client: avg_rtt=" << avg_rtt << std::endl;
 513         }
 514
 515         /*
 516                 Send player position to server
 517         */
 518         {
 519                 float &counter = m_playerpos_send_timer;
 520                 counter += dtime;
 521                 if((m_state == LC_Ready) && (counter >= m_recommended_send_interval))
 522                 {
 523                         counter = 0.0;
 524                         sendPlayerPos();
 525                 }
 526         }
 527
 528         /*
 529                 Replace updated meshes
 530         */
 531         {
 532                 int num_processed_meshes = 0;
 533                 while(!m_mesh_update_thread.m_queue_out.empty())
 534                 {
 535                         num_processed_meshes++;
 536                         MeshUpdateResult r = m_mesh_update_thread.m_queue_out.pop_frontNoEx();
 537                         MapBlock *block = m_env.getMap().getBlockNoCreateNoEx(r.p);
 538                         if(block) {
 539                                 // Delete the old mesh
 540                                 if(block->mesh != NULL)
 541                                 {
 542                                         // TODO: Remove hardware buffers of meshbuffers of block->mesh
 543                                         delete block->mesh;
 544                                         block->mesh = NULL;
 545                                 }
 546
 547                                 // Replace with the new mesh
 548                                 block->mesh = r.mesh;
 549                         } else {
 550                                 delete r.mesh;
 551                         }
 552
 553                         if(r.ack_block_to_server) {
 554                                 /*
 555                                         Acknowledge block
 556                                         [0] u8 count
 557                                         [1] v3s16 pos_0
 558                                 */
 559                                 sendGotBlocks(r.p);
 560                         }
 561                 }
 562
 563                 if(num_processed_meshes > 0)
 564                         g_profiler->graphAdd("num_processed_meshes", num_processed_meshes);
 565         }
 566
 567         /*
 568                 Load fetched media
 569         */
 570         if (m_media_downloader && m_media_downloader->isStarted()) {
 571                 m_media_downloader->step(this);
 572                 if (m_media_downloader->isDone()) {
 573                         received_media();
 574                         delete m_media_downloader;
 575                         m_media_downloader = NULL;
 576                 }
 577         }
 578
 579         /*
 580                 If the server didn't update the inventory in a while, revert
 581                 the local inventory (so the player notices the lag problem
 582                 and knows something is wrong).
 583         */
 584         if(m_inventory_from_server)
 585         {
 586                 float interval = 10.0;
 587                 float count_before = floor(m_inventory_from_server_age / interval);
 588
 589                 m_inventory_from_server_age += dtime;
 590
 591                 float count_after = floor(m_inventory_from_server_age / interval);
 592
 593                 if(count_after != count_before)
 594                 {
 595                         // Do this every <interval> seconds after TOCLIENT_INVENTORY
 596                         // Reset the locally changed inventory to the authoritative inventory
 597                         Player *player = m_env.getLocalPlayer();
 598                         player->inventory = *m_inventory_from_server;
 599                         m_inventory_updated = true;
 600                 }
 601         }
 602
 603         /*
 604                 Update positions of sounds attached to objects
 605         */
 606         {
 607                 for(std::map<int, u16>::iterator
 608                                 i = m_sounds_to_objects.begin();
 609                                 i != m_sounds_to_objects.end(); i++)
 610                 {
 611                         int client_id = i->first;
 612                         u16 object_id = i->second;
 613                         ClientActiveObject *cao = m_env.getActiveObject(object_id);
 614                         if(!cao)
 615                                 continue;
 616                         v3f pos = cao->getPosition();
 617                         m_sound->updateSoundPosition(client_id, pos);
 618                 }
 619         }
 620
 621         /*
 622                 Handle removed remotely initiated sounds
 623         */
 624         m_removed_sounds_check_timer += dtime;
 625         if(m_removed_sounds_check_timer >= 2.32) {
 626                 m_removed_sounds_check_timer = 0;
 627                 // Find removed sounds and clear references to them
 628                 std::vector<s32> removed_server_ids;
 629                 for(std::map<s32, int>::iterator
 630                                 i = m_sounds_server_to_client.begin();
 631                                 i != m_sounds_server_to_client.end();) {
 632                         s32 server_id = i->first;
 633                         int client_id = i->second;
 634                         i++;
 635                         if(!m_sound->soundExists(client_id)) {
 636                                 m_sounds_server_to_client.erase(server_id);
 637                                 m_sounds_client_to_server.erase(client_id);
 638                                 m_sounds_to_objects.erase(client_id);
 639                                 removed_server_ids.push_back(server_id);
 640                         }
 641                 }
 642
 643                 // Sync to server
 644                 if(!removed_server_ids.empty()) {
 645                         sendRemovedSounds(removed_server_ids);
 646                 }
 647         }
 648
 649         // Write server map
 650         if (m_localdb && m_localdb_save_interval.step(dtime,
 651                         m_cache_save_interval)) {
 652                 m_localdb->endSave();
 653                 m_localdb->beginSave();
 654         }
 655 }
 656
 657 bool Client::loadMedia(const std::string &data, const std::string &filename)
 658 {
 659         // Silly irrlicht's const-incorrectness
 660         Buffer<char> data_rw(data.c_str(), data.size());
 661
 662         std::string name;
 663
 664         const char *image_ext[] = {
 665                 ".png", ".jpg", ".bmp", ".tga",
 666                 ".pcx", ".ppm", ".psd", ".wal", ".rgb",
 667                 NULL
 668         };
 669         name = removeStringEnd(filename, image_ext);
 670         if(name != "")
 671         {
 672                 verbosestream<<"Client: Attempting to load image "
 673                 <<"file \""<<filename<<"\""<<std::endl;
 674
 675                 io::IFileSystem *irrfs = m_device->getFileSystem();
 676                 video::IVideoDriver *vdrv = m_device->getVideoDriver();
 677
 678                 // Create an irrlicht memory file
 679                 io::IReadFile *rfile = irrfs->createMemoryReadFile(
 680                                 *data_rw, data_rw.getSize(), "_tempreadfile");
 681
 682                 FATAL_ERROR_IF(!rfile, "Could not create irrlicht memory file.");
 683
 684                 // Read image
 685                 video::IImage *img = vdrv->createImageFromFile(rfile);
 686                 if(!img){
 687                         errorstream<<"Client: Cannot create image from data of "
 688                                         <<"file \""<<filename<<"\""<<std::endl;
 689                         rfile->drop();
 690                         return false;
 691                 }
 692                 else {
 693                         m_tsrc->insertSourceImage(filename, img);
 694                         img->drop();
 695                         rfile->drop();
 696                         return true;
 697                 }
 698         }
 699
 700         const char *sound_ext[] = {
 701                 ".0.ogg", ".1.ogg", ".2.ogg", ".3.ogg", ".4.ogg",
 702                 ".5.ogg", ".6.ogg", ".7.ogg", ".8.ogg", ".9.ogg",
 703                 ".ogg", NULL
 704         };
 705         name = removeStringEnd(filename, sound_ext);
 706         if(name != "")
 707         {
 708                 verbosestream<<"Client: Attempting to load sound "
 709                 <<"file \""<<filename<<"\""<<std::endl;
 710                 m_sound->loadSoundData(name, data);
 711                 return true;
 712         }
 713
 714         const char *model_ext[] = {
 715                 ".x", ".b3d", ".md2", ".obj",
 716                 NULL
 717         };
 718         name = removeStringEnd(filename, model_ext);
 719         if(name != "")
 720         {
 721                 verbosestream<<"Client: Storing model into memory: "
 722                                 <<"\""<<filename<<"\""<<std::endl;
 723                 if(m_mesh_data.count(filename))
 724                         errorstream<<"Multiple models with name \""<<filename.c_str()
 725                                         <<"\" found; replacing previous model"<<std::endl;
 726                 m_mesh_data[filename] = data;
 727                 return true;
 728         }
 729
 730         errorstream<<"Client: Don't know how to load file \""
 731                         <<filename<<"\""<<std::endl;
 732         return false;
 733 }
 734
 735 // Virtual methods from con::PeerHandler
 736 void Client::peerAdded(con::Peer *peer)
 737 {
 738         infostream<<"Client::peerAdded(): peer->id="
 739                         <<peer->id<<std::endl;
 740 }
 741 void Client::deletingPeer(con::Peer *peer, bool timeout)
 742 {
 743         infostream<<"Client::deletingPeer(): "
 744                         "Server Peer is getting deleted "
 745                         <<"(timeout="<<timeout<<")"<<std::endl;
 746 }
 747
 748 /*
 749         u16 command
 750         u16 number of files requested
 751         for each file {
 752                 u16 length of name
 753                 string name
 754         }
 755 */
 756 void Client::request_media(const std::vector<std::string> &file_requests)
 757 {
 758         std::ostringstream os(std::ios_base::binary);
 759         writeU16(os, TOSERVER_REQUEST_MEDIA);
 760         size_t file_requests_size = file_requests.size();
 761
 762         FATAL_ERROR_IF(file_requests_size > 0xFFFF, "Unsupported number of file requests");
 763
 764         // Packet dynamicly resized
 765         NetworkPacket pkt(TOSERVER_REQUEST_MEDIA, 2 + 0);
 766
 767         pkt << (u16) (file_requests_size & 0xFFFF);
 768
 769         for(std::vector<std::string>::const_iterator i = file_requests.begin();
 770                         i != file_requests.end(); ++i) {
 771                 pkt << (*i);
 772         }
 773
 774         Send(&pkt);
 775
 776         infostream << "Client: Sending media request list to server ("
 777                         << file_requests.size() << " files. packet size)" << std::endl;
 778 }
 779
 780 void Client::received_media()
 781 {
 782         NetworkPacket pkt(TOSERVER_RECEIVED_MEDIA, 0);
 783         Send(&pkt);
 784         infostream << "Client: Notifying server that we received all media"
 785                         << std::endl;
 786 }
 787
 788 void Client::initLocalMapSaving(const Address &address,
 789                 const std::string &hostname,
 790                 bool is_local_server)
 791 {
 792         if (!g_settings->getBool("enable_local_map_saving") || is_local_server) {
 793                 return;
 794         }
 795
 796         const std::string world_path = porting::path_user
 797                 + DIR_DELIM + "worlds"
 798                 + DIR_DELIM + "server_"
 799                 + hostname + "_" + to_string(address.getPort());
 800
 801         fs::CreateAllDirs(world_path);
 802
 803         m_localdb = new Database_SQLite3(world_path);
 804         m_localdb->beginSave();
 805         actionstream << "Local map saving started, map will be saved at '" << world_path << "'" << std::endl;
 806 }
 807
 808 void Client::ReceiveAll()
 809 {
 810         DSTACK(__FUNCTION_NAME);
 811         u32 start_ms = porting::getTimeMs();
 812         for(;;)
 813         {
 814                 // Limit time even if there would be huge amounts of data to
 815                 // process
 816                 if(porting::getTimeMs() > start_ms + 100)
 817                         break;
 818
 819                 try {
 820                         Receive();
 821                         g_profiler->graphAdd("client_received_packets", 1);
 822                 }
 823                 catch(con::NoIncomingDataException &e) {
 824                         break;
 825                 }
 826                 catch(con::InvalidIncomingDataException &e) {
 827                         infostream<<"Client::ReceiveAll(): "
 828                                         "InvalidIncomingDataException: what()="
 829                                         <<e.what()<<std::endl;
 830                 }
 831         }
 832 }
 833
 834 void Client::Receive()
 835 {
 836         DSTACK(__FUNCTION_NAME);
 837         SharedBuffer<u8> data;
 838         u16 sender_peer_id;
 839         u32 datasize = m_con.Receive(sender_peer_id, data);
 840         ProcessData(*data, datasize, sender_peer_id);
 841 }
 842
 843 inline void Client::handleCommand(NetworkPacket* pkt)
 844 {
 845         const ToClientCommandHandler& opHandle = toClientCommandTable[pkt->getCommand()];
 846         (this->*opHandle.handler)(pkt);
 847 }
 848
 849 /*
 850         sender_peer_id given to this shall be quaranteed to be a valid peer
 851 */
 852 void Client::ProcessData(u8 *data, u32 datasize, u16 sender_peer_id)
 853 {
 854         DSTACK(__FUNCTION_NAME);
 855
 856         // Ignore packets that don't even fit a command
 857         if(datasize < 2) {
 858                 m_packetcounter.add(60000);
 859                 return;
 860         }
 861
 862         NetworkPacket pkt(data, datasize, sender_peer_id);
 863
 864         ToClientCommand command = (ToClientCommand) pkt.getCommand();
 865
 866         //infostream<<"Client: received command="<<command<<std::endl;
 867         m_packetcounter.add((u16)command);
 868
 869         /*
 870                 If this check is removed, be sure to change the queue
 871                 system to know the ids
 872         */
 873         if(sender_peer_id != PEER_ID_SERVER) {
 874                 infostream << "Client::ProcessData(): Discarding data not "
 875                         "coming from server: peer_id=" << sender_peer_id
 876                         << std::endl;
 877                 return;
 878         }
 879
 880         // Command must be handled into ToClientCommandHandler
 881         if (command >= TOCLIENT_NUM_MSG_TYPES) {
 882                 infostream << "Client: Ignoring unknown command "
 883                         << command << std::endl;
 884         }
 885
 886         /*
 887          * Those packets are handled before m_server_ser_ver is set, it's normal
 888          * But we must use the new ToClientConnectionState in the future,
 889          * as a byte mask
 890          */
 891         if(toClientCommandTable[command].state == TOCLIENT_STATE_NOT_CONNECTED) {
 892                 handleCommand(&pkt);
 893                 return;
 894         }
 895
 896         if(m_server_ser_ver == SER_FMT_VER_INVALID) {
 897                 infostream << "Client: Server serialization"
 898                                 " format invalid or not initialized."
 899                                 " Skipping incoming command=" << command << std::endl;
 900                 return;
 901         }
 902
 903         /*
 904           Handle runtime commands
 905         */
 906
 907         handleCommand(&pkt);
 908 }
 909
 910 void Client::Send(NetworkPacket* pkt)
 911 {
 912         m_con.Send(PEER_ID_SERVER,
 913                 serverCommandFactoryTable[pkt->getCommand()].channel,
 914                 pkt,
 915                 serverCommandFactoryTable[pkt->getCommand()].reliable);
 916 }
 917
 918 void Client::interact(u8 action, const PointedThing& pointed)
 919 {
 920         if(m_state != LC_Ready) {
 921                 errorstream << "Client::interact() "
 922                                 "Canceled (not connected)"
 923                                 << std::endl;
 924                 return;
 925         }
 926
 927         /*
 928                 [0] u16 command
 929                 [2] u8 action
 930                 [3] u16 item
 931                 [5] u32 length of the next item
 932                 [9] serialized PointedThing
 933                 actions:
 934                 0: start digging (from undersurface) or use
 935                 1: stop digging (all parameters ignored)
 936                 2: digging completed
 937                 3: place block or item (to abovesurface)
 938                 4: use item
 939         */
 940
 941         NetworkPacket pkt(TOSERVER_INTERACT, 1 + 2 + 0);
 942
 943         pkt << action;
 944         pkt << (u16)getPlayerItem();
 945
 946         std::ostringstream tmp_os(std::ios::binary);
 947         pointed.serialize(tmp_os);
 948
 949         pkt.putLongString(tmp_os.str());
 950
 951         Send(&pkt);
 952 }
 953
 954 void Client::sendLegacyInit(const char* playerName, const char* playerPassword)
 955 {
 956         NetworkPacket pkt(TOSERVER_INIT_LEGACY,
 957                         1 + PLAYERNAME_SIZE + PASSWORD_SIZE + 2 + 2);
 958
 959         pkt << (u8) SER_FMT_VER_HIGHEST_READ;
 960         pkt.putRawString(playerName,PLAYERNAME_SIZE);
 961         pkt.putRawString(playerPassword, PASSWORD_SIZE);
 962         pkt << (u16) CLIENT_PROTOCOL_VERSION_MIN << (u16) CLIENT_PROTOCOL_VERSION_MAX;
 963
 964         Send(&pkt);
 965 }
 966
 967 void Client::sendDeletedBlocks(std::vector<v3s16> &blocks)
 968 {
 969         NetworkPacket pkt(TOSERVER_DELETEDBLOCKS, 1 + sizeof(v3s16) * blocks.size());
 970
 971         pkt << (u8) blocks.size();
 972
 973         u32 k = 0;
 974         for(std::vector<v3s16>::iterator
 975                         j = blocks.begin();
 976                         j != blocks.end(); ++j) {
 977                 pkt << *j;
 978                 k++;
 979         }
 980
 981         Send(&pkt);
 982 }
 983
 984 void Client::sendGotBlocks(v3s16 block)
 985 {
 986         NetworkPacket pkt(TOSERVER_GOTBLOCKS, 1 + 6);
 987         pkt << (u8) 1 << block;
 988         Send(&pkt);
 989 }
 990
 991 void Client::sendRemovedSounds(std::vector<s32> &soundList)
 992 {
 993         size_t server_ids = soundList.size();
 994         assert(server_ids <= 0xFFFF);
 995
 996         NetworkPacket pkt(TOSERVER_REMOVED_SOUNDS, 2 + server_ids * 4);
 997
 998         pkt << (u16) (server_ids & 0xFFFF);
 999
1000         for(std::vector<s32>::iterator i = soundList.begin();
1001                         i != soundList.end(); i++)
1002                 pkt << *i;
1003
1004         Send(&pkt);
1005 }
1006
1007 void Client::sendNodemetaFields(v3s16 p, const std::string &formname,
1008                 const std::map<std::string, std::string> &fields)
1009 {
1010         size_t fields_size = fields.size();
1011
1012         FATAL_ERROR_IF(fields_size > 0xFFFF, "Unsupported number of nodemeta fields");
1013
1014         NetworkPacket pkt(TOSERVER_NODEMETA_FIELDS, 0);
1015
1016         pkt << p << formname << (u16) (fields_size & 0xFFFF);
1017
1018         for(std::map<std::string, std::string>::const_iterator
1019                         i = fields.begin(); i != fields.end(); i++) {
1020                 const std::string &name = i->first;
1021                 const std::string &value = i->second;
1022                 pkt << name;
1023                 pkt.putLongString(value);
1024         }
1025
1026         Send(&pkt);
1027 }
1028
1029 void Client::sendInventoryFields(const std::string &formname,
1030                 const std::map<std::string, std::string> &fields)
1031 {
1032         size_t fields_size = fields.size();
1033         FATAL_ERROR_IF(fields_size > 0xFFFF, "Unsupported number of inventory fields");
1034
1035         NetworkPacket pkt(TOSERVER_INVENTORY_FIELDS, 0);
1036         pkt << formname << (u16) (fields_size & 0xFFFF);
1037
1038         for(std::map<std::string, std::string>::const_iterator
1039                         i = fields.begin(); i != fields.end(); i++) {
1040                 const std::string &name  = i->first;
1041                 const std::string &value = i->second;
1042                 pkt << name;
1043                 pkt.putLongString(value);
1044         }
1045
1046         Send(&pkt);
1047 }
1048
1049 void Client::sendInventoryAction(InventoryAction *a)
1050 {
1051         std::ostringstream os(std::ios_base::binary);
1052
1053         a->serialize(os);
1054
1055         // Make data buffer
1056         std::string s = os.str();
1057
1058         NetworkPacket pkt(TOSERVER_INVENTORY_ACTION, s.size());
1059         pkt.putRawString(s.c_str(),s.size());
1060
1061         Send(&pkt);
1062 }
1063
1064 void Client::sendChatMessage(const std::wstring &message)
1065 {
1066         NetworkPacket pkt(TOSERVER_CHAT_MESSAGE, 2 + message.size() * sizeof(u16));
1067
1068         pkt << message;
1069
1070         Send(&pkt);
1071 }
1072
1073 void Client::sendChangePassword(const std::wstring &oldpassword,
1074         const std::wstring &newpassword)
1075 {
1076         Player *player = m_env.getLocalPlayer();
1077         if(player == NULL)
1078                 return;
1079
1080         std::string playername = player->getName();
1081         std::string oldpwd = translatePassword(playername, oldpassword);
1082         std::string newpwd = translatePassword(playername, newpassword);
1083
1084         NetworkPacket pkt(TOSERVER_PASSWORD_LEGACY, 2 * PASSWORD_SIZE);
1085
1086         for(u8 i = 0; i < PASSWORD_SIZE; i++) {
1087                 pkt << (u8) (i < oldpwd.length() ? oldpwd[i] : 0);
1088         }
1089
1090         for(u8 i = 0; i < PASSWORD_SIZE; i++) {
1091                 pkt << (u8) (i < newpwd.length() ? newpwd[i] : 0);
1092         }
1093
1094         Send(&pkt);
1095 }
1096
1097
1098 void Client::sendDamage(u8 damage)
1099 {
1100         DSTACK(__FUNCTION_NAME);
1101
1102         NetworkPacket pkt(TOSERVER_DAMAGE, sizeof(u8));
1103         pkt << damage;
1104         Send(&pkt);
1105 }
1106
1107 void Client::sendBreath(u16 breath)
1108 {
1109         DSTACK(__FUNCTION_NAME);
1110
1111         NetworkPacket pkt(TOSERVER_BREATH, sizeof(u16));
1112         pkt << breath;
1113         Send(&pkt);
1114 }
1115
1116 void Client::sendRespawn()
1117 {
1118         DSTACK(__FUNCTION_NAME);
1119
1120         NetworkPacket pkt(TOSERVER_RESPAWN, 0);
1121         Send(&pkt);
1122 }
1123
1124 void Client::sendReady()
1125 {
1126         DSTACK(__FUNCTION_NAME);
1127
1128         NetworkPacket pkt(TOSERVER_CLIENT_READY,
1129                         1 + 1 + 1 + 1 + 2 + sizeof(char) * strlen(minetest_version_hash));
1130
1131         pkt << (u8) VERSION_MAJOR << (u8) VERSION_MINOR << (u8) VERSION_PATCH_ORIG
1132                 << (u8) 0 << (u16) strlen(minetest_version_hash);
1133
1134         pkt.putRawString(minetest_version_hash, (u16) strlen(minetest_version_hash));
1135         Send(&pkt);
1136 }
1137
1138 void Client::sendPlayerPos()
1139 {
1140         LocalPlayer *myplayer = m_env.getLocalPlayer();
1141         if(myplayer == NULL)
1142                 return;
1143
1144         // Save bandwidth by only updating position when something changed
1145         if(myplayer->last_position        == myplayer->getPosition() &&
1146                         myplayer->last_speed      == myplayer->getSpeed()    &&
1147                         myplayer->last_pitch      == myplayer->getPitch()    &&
1148                         myplayer->last_yaw        == myplayer->getYaw()      &&
1149                         myplayer->last_keyPressed == myplayer->keyPressed)
1150                 return;
1151
1152         myplayer->last_position   = myplayer->getPosition();
1153         myplayer->last_speed      = myplayer->getSpeed();
1154         myplayer->last_pitch      = myplayer->getPitch();
1155         myplayer->last_yaw        = myplayer->getYaw();
1156         myplayer->last_keyPressed = myplayer->keyPressed;
1157
1158         u16 our_peer_id;
1159         {
1160                 //JMutexAutoLock lock(m_con_mutex); //bulk comment-out
1161                 our_peer_id = m_con.GetPeerID();
1162         }
1163
1164         // Set peer id if not set already
1165         if(myplayer->peer_id == PEER_ID_INEXISTENT)
1166                 myplayer->peer_id = our_peer_id;
1167
1168         assert(myplayer->peer_id == our_peer_id);
1169
1170         v3f pf         = myplayer->getPosition();
1171         v3f sf         = myplayer->getSpeed();
1172         s32 pitch      = myplayer->getPitch() * 100;
1173         s32 yaw        = myplayer->getYaw() * 100;
1174         u32 keyPressed = myplayer->keyPressed;
1175
1176         v3s32 position(pf.X*100, pf.Y*100, pf.Z*100);
1177         v3s32 speed(sf.X*100, sf.Y*100, sf.Z*100);
1178         /*
1179                 Format:
1180                 [0] v3s32 position*100
1181                 [12] v3s32 speed*100
1182                 [12+12] s32 pitch*100
1183                 [12+12+4] s32 yaw*100
1184                 [12+12+4+4] u32 keyPressed
1185         */
1186
1187         NetworkPacket pkt(TOSERVER_PLAYERPOS, 12 + 12 + 4 + 4 + 4);
1188
1189         pkt << position << speed << pitch << yaw << keyPressed;
1190
1191         Send(&pkt);
1192 }
1193
1194 void Client::sendPlayerItem(u16 item)
1195 {
1196         Player *myplayer = m_env.getLocalPlayer();
1197         if(myplayer == NULL)
1198                 return;
1199
1200         u16 our_peer_id = m_con.GetPeerID();
1201
1202         // Set peer id if not set already
1203         if(myplayer->peer_id == PEER_ID_INEXISTENT)
1204                 myplayer->peer_id = our_peer_id;
1205         assert(myplayer->peer_id == our_peer_id);
1206
1207         NetworkPacket pkt(TOSERVER_PLAYERITEM, 2);
1208
1209         pkt << item;
1210
1211         Send(&pkt);
1212 }
1213
1214 void Client::removeNode(v3s16 p)
1215 {
1216         std::map<v3s16, MapBlock*> modified_blocks;
1217
1218         try {
1219                 m_env.getMap().removeNodeAndUpdate(p, modified_blocks);
1220         }
1221         catch(InvalidPositionException &e) {
1222         }
1223
1224         for(std::map<v3s16, MapBlock *>::iterator
1225                         i = modified_blocks.begin();
1226                         i != modified_blocks.end(); ++i) {
1227                 addUpdateMeshTaskWithEdge(i->first, false, true);
1228         }
1229 }
1230
1231 void Client::addNode(v3s16 p, MapNode n, bool remove_metadata)
1232 {
1233         //TimeTaker timer1("Client::addNode()");
1234
1235         std::map<v3s16, MapBlock*> modified_blocks;
1236
1237         try {
1238                 //TimeTaker timer3("Client::addNode(): addNodeAndUpdate");
1239                 m_env.getMap().addNodeAndUpdate(p, n, modified_blocks, remove_metadata);
1240         }
1241         catch(InvalidPositionException &e) {
1242         }
1243
1244         for(std::map<v3s16, MapBlock *>::iterator
1245                         i = modified_blocks.begin();
1246                         i != modified_blocks.end(); ++i) {
1247                 addUpdateMeshTaskWithEdge(i->first, false, true);
1248         }
1249 }
1250
1251 void Client::setPlayerControl(PlayerControl &control)
1252 {
1253         LocalPlayer *player = m_env.getLocalPlayer();
1254         assert(player != NULL);
1255         player->control = control;
1256 }
1257
1258 void Client::selectPlayerItem(u16 item)
1259 {
1260         m_playeritem = item;
1261         m_inventory_updated = true;
1262         sendPlayerItem(item);
1263 }
1264
1265 // Returns true if the inventory of the local player has been
1266 // updated from the server. If it is true, it is set to false.
1267 bool Client::getLocalInventoryUpdated()
1268 {
1269         bool updated = m_inventory_updated;
1270         m_inventory_updated = false;
1271         return updated;
1272 }
1273
1274 // Copies the inventory of the local player to parameter
1275 void Client::getLocalInventory(Inventory &dst)
1276 {
1277         Player *player = m_env.getLocalPlayer();
1278         assert(player != NULL);
1279         dst = player->inventory;
1280 }
1281
1282 Inventory* Client::getInventory(const InventoryLocation &loc)
1283 {
1284         switch(loc.type){
1285         case InventoryLocation::UNDEFINED:
1286         {}
1287         break;
1288         case InventoryLocation::CURRENT_PLAYER:
1289         {
1290                 Player *player = m_env.getLocalPlayer();
1291                 assert(player != NULL);
1292                 return &player->inventory;
1293         }
1294         break;
1295         case InventoryLocation::PLAYER:
1296         {
1297                 Player *player = m_env.getPlayer(loc.name.c_str());
1298                 if(!player)
1299                         return NULL;
1300                 return &player->inventory;
1301         }
1302         break;
1303         case InventoryLocation::NODEMETA:
1304         {
1305                 NodeMetadata *meta = m_env.getMap().getNodeMetadata(loc.p);
1306                 if(!meta)
1307                         return NULL;
1308                 return meta->getInventory();
1309         }
1310         break;
1311         case InventoryLocation::DETACHED:
1312         {
1313                 if(m_detached_inventories.count(loc.name) == 0)
1314                         return NULL;
1315                 return m_detached_inventories[loc.name];
1316         }
1317         break;
1318         default:
1319                 FATAL_ERROR("Invalid inventory location type.");
1320                 break;
1321         }
1322         return NULL;
1323 }
1324
1325 void Client::inventoryAction(InventoryAction *a)
1326 {
1327         /*
1328                 Send it to the server
1329         */
1330         sendInventoryAction(a);
1331
1332         /*
1333                 Predict some local inventory changes
1334         */
1335         a->clientApply(this, this);
1336
1337         // Remove it
1338         delete a;
1339 }
1340
1341 ClientActiveObject * Client::getSelectedActiveObject(
1342                 f32 max_d,
1343                 v3f from_pos_f_on_map,
1344                 core::line3d<f32> shootline_on_map
1345         )
1346 {
1347         std::vector<DistanceSortedActiveObject> objects;
1348
1349         m_env.getActiveObjects(from_pos_f_on_map, max_d, objects);
1350
1351         // Sort them.
1352         // After this, the closest object is the first in the array.
1353         std::sort(objects.begin(), objects.end());
1354
1355         for(unsigned int i=0; i<objects.size(); i++)
1356         {
1357                 ClientActiveObject *obj = objects[i].obj;
1358
1359                 core::aabbox3d<f32> *selection_box = obj->getSelectionBox();
1360                 if(selection_box == NULL)
1361                         continue;
1362
1363                 v3f pos = obj->getPosition();
1364
1365                 core::aabbox3d<f32> offsetted_box(
1366                                 selection_box->MinEdge + pos,
1367                                 selection_box->MaxEdge + pos
1368                 );
1369
1370                 if(offsetted_box.intersectsWithLine(shootline_on_map))
1371                 {
1372                         return obj;
1373                 }
1374         }
1375
1376         return NULL;
1377 }
1378
1379 std::list<std::string> Client::getConnectedPlayerNames()
1380 {
1381         return m_env.getPlayerNames();
1382 }
1383
1384 float Client::getAnimationTime()
1385 {
1386         return m_animation_time;
1387 }
1388
1389 int Client::getCrackLevel()
1390 {
1391         return m_crack_level;
1392 }
1393
1394 void Client::setHighlighted(v3s16 pos, bool show_highlighted)
1395 {
1396         m_show_highlighted = show_highlighted;
1397         v3s16 old_highlighted_pos = m_highlighted_pos;
1398         m_highlighted_pos = pos;
1399         addUpdateMeshTaskForNode(old_highlighted_pos, false, true);
1400         addUpdateMeshTaskForNode(m_highlighted_pos, false, true);
1401 }
1402
1403 void Client::setCrack(int level, v3s16 pos)
1404 {
1405         int old_crack_level = m_crack_level;
1406         v3s16 old_crack_pos = m_crack_pos;
1407
1408         m_crack_level = level;
1409         m_crack_pos = pos;
1410
1411         if(old_crack_level >= 0 && (level < 0 || pos != old_crack_pos))
1412         {
1413                 // remove old crack
1414                 addUpdateMeshTaskForNode(old_crack_pos, false, true);
1415         }
1416         if(level >= 0 && (old_crack_level < 0 || pos != old_crack_pos))
1417         {
1418                 // add new crack
1419                 addUpdateMeshTaskForNode(pos, false, true);
1420         }
1421 }
1422
1423 u16 Client::getHP()
1424 {
1425         Player *player = m_env.getLocalPlayer();
1426         assert(player != NULL);
1427         return player->hp;
1428 }
1429
1430 u16 Client::getBreath()
1431 {
1432         Player *player = m_env.getLocalPlayer();
1433         assert(player != NULL);
1434         return player->getBreath();
1435 }
1436
1437 bool Client::getChatMessage(std::wstring &message)
1438 {
1439         if(m_chat_queue.size() == 0)
1440                 return false;
1441         message = m_chat_queue.front();
1442         m_chat_queue.pop();
1443         return true;
1444 }
1445
1446 void Client::typeChatMessage(const std::wstring &message)
1447 {
1448         // Discard empty line
1449         if(message == L"")
1450                 return;
1451
1452         // Send to others
1453         sendChatMessage(message);
1454
1455         // Show locally
1456         if (message[0] == L'/')
1457         {
1458                 m_chat_queue.push((std::wstring)L"issued command: " + message);
1459         }
1460         else
1461         {
1462                 LocalPlayer *player = m_env.getLocalPlayer();
1463                 assert(player != NULL);
1464                 std::wstring name = narrow_to_wide(player->getName());
1465                 m_chat_queue.push((std::wstring)L"<" + name + L"> " + message);
1466         }
1467 }
1468
1469 void Client::addUpdateMeshTask(v3s16 p, bool ack_to_server, bool urgent)
1470 {
1471         MapBlock *b = m_env.getMap().getBlockNoCreateNoEx(p);
1472         if(b == NULL)
1473                 return;
1474
1475         /*
1476                 Create a task to update the mesh of the block
1477         */
1478
1479         MeshMakeData *data = new MeshMakeData(this, m_cache_enable_shaders);
1480
1481         {
1482                 //TimeTaker timer("data fill");
1483                 // Release: ~0ms
1484                 // Debug: 1-6ms, avg=2ms
1485                 data->fill(b);
1486                 data->setCrack(m_crack_level, m_crack_pos);
1487                 data->setHighlighted(m_highlighted_pos, m_show_highlighted);
1488                 data->setSmoothLighting(m_cache_smooth_lighting);
1489         }
1490
1491         // Add task to queue
1492         m_mesh_update_thread.m_queue_in.addBlock(p, data, ack_to_server, urgent);
1493 }
1494
1495 void Client::addUpdateMeshTaskWithEdge(v3s16 blockpos, bool ack_to_server, bool urgent)
1496 {
1497         try{
1498                 addUpdateMeshTask(blockpos, ack_to_server, urgent);
1499         }
1500         catch(InvalidPositionException &e){}
1501
1502         // Leading edge
1503         for (int i=0;i<6;i++)
1504         {
1505                 try{
1506                         v3s16 p = blockpos + g_6dirs[i];
1507                         addUpdateMeshTask(p, false, urgent);
1508                 }
1509                 catch(InvalidPositionException &e){}
1510         }
1511 }
1512
1513 void Client::addUpdateMeshTaskForNode(v3s16 nodepos, bool ack_to_server, bool urgent)
1514 {
1515         {
1516                 v3s16 p = nodepos;
1517                 infostream<<"Client::addUpdateMeshTaskForNode(): "
1518                                 <<"("<<p.X<<","<<p.Y<<","<<p.Z<<")"
1519                                 <<std::endl;
1520         }
1521
1522         v3s16 blockpos          = getNodeBlockPos(nodepos);
1523         v3s16 blockpos_relative = blockpos * MAP_BLOCKSIZE;
1524
1525         try{
1526                 addUpdateMeshTask(blockpos, ack_to_server, urgent);
1527         }
1528         catch(InvalidPositionException &e) {}
1529
1530         // Leading edge
1531         if(nodepos.X == blockpos_relative.X){
1532                 try{
1533                         v3s16 p = blockpos + v3s16(-1,0,0);
1534                         addUpdateMeshTask(p, false, urgent);
1535                 }
1536                 catch(InvalidPositionException &e){}
1537         }
1538
1539         if(nodepos.Y == blockpos_relative.Y){
1540                 try{
1541                         v3s16 p = blockpos + v3s16(0,-1,0);
1542                         addUpdateMeshTask(p, false, urgent);
1543                 }
1544                 catch(InvalidPositionException &e){}
1545         }
1546
1547         if(nodepos.Z == blockpos_relative.Z){
1548                 try{
1549                         v3s16 p = blockpos + v3s16(0,0,-1);
1550                         addUpdateMeshTask(p, false, urgent);
1551                 }
1552                 catch(InvalidPositionException &e){}
1553         }
1554 }
1555
1556 ClientEvent Client::getClientEvent()
1557 {
1558         ClientEvent event;
1559         if(m_client_event_queue.size() == 0) {
1560                 event.type = CE_NONE;
1561         }
1562         else {
1563                 event = m_client_event_queue.front();
1564                 m_client_event_queue.pop();
1565         }
1566         return event;
1567 }
1568
1569 float Client::mediaReceiveProgress()
1570 {
1571         if (m_media_downloader)
1572                 return m_media_downloader->getProgress();
1573         else
1574                 return 1.0; // downloader only exists when not yet done
1575 }
1576
1577 typedef struct TextureUpdateArgs {
1578         IrrlichtDevice *device;
1579         gui::IGUIEnvironment *guienv;
1580         u32 last_time_ms;
1581         u16 last_percent;
1582         const wchar_t* text_base;
1583 } TextureUpdateArgs;
1584
1585 void texture_update_progress(void *args, u32 progress, u32 max_progress)
1586 {
1587                 TextureUpdateArgs* targs = (TextureUpdateArgs*) args;
1588                 u16 cur_percent = ceil(progress / (double) max_progress * 100.);
1589
1590                 // update the loading menu -- if neccessary
1591                 bool do_draw = false;
1592                 u32 time_ms = targs->last_time_ms;
1593                 if (cur_percent != targs->last_percent) {
1594                         targs->last_percent = cur_percent;
1595                         time_ms = getTimeMs();
1596                         // only draw when the user will notice something:
1597                         do_draw = (time_ms - targs->last_time_ms > 100);
1598                 }
1599
1600                 if (do_draw) {
1601                         targs->last_time_ms = time_ms;
1602                         std::basic_stringstream<wchar_t> strm;
1603                         strm << targs->text_base << " " << targs->last_percent << "%...";
1604                         draw_load_screen(strm.str(), targs->device, targs->guienv, 0,
1605                                 72 + (u16) ((18. / 100.) * (double) targs->last_percent));
1606                 }
1607 }
1608
1609 void Client::afterContentReceived(IrrlichtDevice *device)
1610 {
1611         infostream<<"Client::afterContentReceived() started"<<std::endl;
1612         assert(m_itemdef_received); // pre-condition
1613         assert(m_nodedef_received); // pre-condition
1614         assert(mediaReceived()); // pre-condition
1615
1616         const wchar_t* text = wgettext("Loading textures...");
1617
1618         // Rebuild inherited images and recreate textures
1619         infostream<<"- Rebuilding images and textures"<<std::endl;
1620         draw_load_screen(text,device, guienv, 0, 70);
1621         m_tsrc->rebuildImagesAndTextures();
1622         delete[] text;
1623
1624         // Rebuild shaders
1625         infostream<<"- Rebuilding shaders"<<std::endl;
1626         text = wgettext("Rebuilding shaders...");
1627         draw_load_screen(text, device, guienv, 0, 71);
1628         m_shsrc->rebuildShaders();
1629         delete[] text;
1630
1631         // Update node aliases
1632         infostream<<"- Updating node aliases"<<std::endl;
1633         text = wgettext("Initializing nodes...");
1634         draw_load_screen(text, device, guienv, 0, 72);
1635         m_nodedef->updateAliases(m_itemdef);
1636         m_nodedef->setNodeRegistrationStatus(true);
1637         m_nodedef->runNodeResolverCallbacks();
1638         delete[] text;
1639
1640         // Update node textures and assign shaders to each tile
1641         infostream<<"- Updating node textures"<<std::endl;
1642         TextureUpdateArgs tu_args;
1643         tu_args.device = device;
1644         tu_args.guienv = guienv;
1645         tu_args.last_time_ms = getTimeMs();
1646         tu_args.last_percent = 0;
1647         tu_args.text_base =  wgettext("Initializing nodes");
1648         m_nodedef->updateTextures(this, texture_update_progress, &tu_args);
1649         delete[] tu_args.text_base;
1650
1651         // Preload item textures and meshes if configured to
1652         if(g_settings->getBool("preload_item_visuals"))
1653         {
1654                 verbosestream<<"Updating item textures and meshes"<<std::endl;
1655                 text = wgettext("Item textures...");
1656                 draw_load_screen(text, device, guienv, 0, 0);
1657                 std::set<std::string> names = m_itemdef->getAll();
1658                 size_t size = names.size();
1659                 size_t count = 0;
1660                 int percent = 0;
1661                 for(std::set<std::string>::const_iterator
1662                                 i = names.begin(); i != names.end(); ++i)
1663                 {
1664                         // Asking for these caches the result
1665                         m_itemdef->getInventoryTexture(*i, this);
1666                         m_itemdef->getWieldMesh(*i, this);
1667                         count++;
1668                         percent = (count * 100 / size * 0.2) + 80;
1669                         draw_load_screen(text, device, guienv, 0, percent);
1670                 }
1671                 delete[] text;
1672         }
1673
1674         // Start mesh update thread after setting up content definitions
1675         infostream<<"- Starting mesh update thread"<<std::endl;
1676         m_mesh_update_thread.Start();
1677
1678         m_state = LC_Ready;
1679         sendReady();
1680         text = wgettext("Done!");
1681         draw_load_screen(text, device, guienv, 0, 100);
1682         infostream<<"Client::afterContentReceived() done"<<std::endl;
1683         delete[] text;
1684 }
1685
1686 float Client::getRTT(void)
1687 {
1688         return m_con.getPeerStat(PEER_ID_SERVER,con::AVG_RTT);
1689 }
1690
1691 float Client::getCurRate(void)
1692 {
1693         return ( m_con.getLocalStat(con::CUR_INC_RATE) +
1694                         m_con.getLocalStat(con::CUR_DL_RATE));
1695 }
1696
1697 float Client::getAvgRate(void)
1698 {
1699         return ( m_con.getLocalStat(con::AVG_INC_RATE) +
1700                         m_con.getLocalStat(con::AVG_DL_RATE));
1701 }
1702
1703 void Client::makeScreenshot(IrrlichtDevice *device)
1704 {
1705         irr::video::IVideoDriver *driver = device->getVideoDriver();
1706         irr::video::IImage* const raw_image = driver->createScreenShot();
1707         if (raw_image) {
1708                 irr::video::IImage* const image = driver->createImage(video::ECF_R8G8B8,
1709                         raw_image->getDimension());
1710
1711                 if (image) {
1712                         raw_image->copyTo(image);
1713
1714                         std::string filename;
1715
1716                         time_t t = time(NULL);
1717                         struct tm *tm = localtime(&t);
1718                         char timetstamp_c[16]; // YYYYMMDD_HHMMSS + '\0'
1719                         strftime(timetstamp_c, sizeof(timetstamp_c), "%Y%m%d_%H%M%S", tm);
1720
1721                         filename = g_settings->get("screenshot_path")
1722                                  + DIR_DELIM
1723                                  + std::string("screenshot_")
1724                                  + std::string(timetstamp_c)
1725                                  + ".png";
1726
1727                         std::ostringstream sstr;
1728                         if (driver->writeImageToFile(image, filename.c_str())) {
1729                                 sstr << "Saved screenshot to '" << filename << "'";
1730                         } else {
1731                                 sstr << "Failed to save screenshot '" << filename << "'";
1732                         }
1733                         m_chat_queue.push(narrow_to_wide(sstr.str()));
1734                         infostream << sstr.str() << std::endl;
1735                         image->drop();
1736                 }
1737                 raw_image->drop();
1738         }
1739 }
1740
1741 // IGameDef interface
1742 // Under envlock
1743 IItemDefManager* Client::getItemDefManager()
1744 {
1745         return m_itemdef;
1746 }
1747 INodeDefManager* Client::getNodeDefManager()
1748 {
1749         return m_nodedef;
1750 }
1751 ICraftDefManager* Client::getCraftDefManager()
1752 {
1753         return NULL;
1754         //return m_craftdef;
1755 }
1756 ITextureSource* Client::getTextureSource()
1757 {
1758         return m_tsrc;
1759 }
1760 IShaderSource* Client::getShaderSource()
1761 {
1762         return m_shsrc;
1763 }
1764 scene::ISceneManager* Client::getSceneManager()
1765 {
1766         return m_device->getSceneManager();
1767 }
1768 u16 Client::allocateUnknownNodeId(const std::string &name)
1769 {
1770         errorstream << "Client::allocateUnknownNodeId(): "
1771                         << "Client cannot allocate node IDs" << std::endl;
1772         FATAL_ERROR("Client allocated unknown node");
1773
1774         return CONTENT_IGNORE;
1775 }
1776 ISoundManager* Client::getSoundManager()
1777 {
1778         return m_sound;
1779 }
1780 MtEventManager* Client::getEventManager()
1781 {
1782         return m_event;
1783 }
1784
1785 ParticleManager* Client::getParticleManager()
1786 {
1787         return &m_particle_manager;
1788 }
1789
1790 scene::IAnimatedMesh* Client::getMesh(const std::string &filename)
1791 {
1792         std::map<std::string, std::string>::const_iterator i =
1793                         m_mesh_data.find(filename);
1794         if(i == m_mesh_data.end()){
1795                 errorstream<<"Client::getMesh(): Mesh not found: \""<<filename<<"\""
1796                                 <<std::endl;
1797                 return NULL;
1798         }
1799         const std::string &data    = i->second;
1800         scene::ISceneManager *smgr = m_device->getSceneManager();
1801
1802         // Create the mesh, remove it from cache and return it
1803         // This allows unique vertex colors and other properties for each instance
1804         Buffer<char> data_rw(data.c_str(), data.size()); // Const-incorrect Irrlicht
1805         io::IFileSystem *irrfs = m_device->getFileSystem();
1806         io::IReadFile *rfile   = irrfs->createMemoryReadFile(
1807                         *data_rw, data_rw.getSize(), filename.c_str());
1808         FATAL_ERROR_IF(!rfile, "Could not create/open RAM file");
1809
1810         scene::IAnimatedMesh *mesh = smgr->getMesh(rfile);
1811         rfile->drop();
1812         // NOTE: By playing with Irrlicht refcounts, maybe we could cache a bunch
1813         // of uniquely named instances and re-use them
1814         mesh->grab();
1815         smgr->getMeshCache()->removeMesh(mesh);
1816         return mesh;
1817 }