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