src/client/clientlauncher.cpp

   1 /*
   2 Minetest
   3 Copyright (C) 2010-2013 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 "mainmenumanager.h"
  21 #include "debug.h"
  22 #include "clouds.h"
  23 #include "server.h"
  24 #include "filesys.h"
  25 #include "guiMainMenu.h"
  26 #include "game.h"
  27 #include "chat.h"
  28 #include "gettext.h"
  29 #include "profiler.h"
  30 #include "log.h"
  31 #include "serverlist.h"
  32 #include "guiEngine.h"
  33 #include "player.h"
  34 #include "fontengine.h"
  35 #include "joystick_controller.h"
  36 #include "clientlauncher.h"
  37
  38 /* mainmenumanager.h
  39  */
  40 gui::IGUIEnvironment *guienv = NULL;
  41 gui::IGUIStaticText *guiroot = NULL;
  42 MainMenuManager g_menumgr;
  43
  44 bool noMenuActive()
  45 {
  46         return g_menumgr.menuCount() == 0;
  47 }
  48
  49 // Passed to menus to allow disconnecting and exiting
  50 MainGameCallback *g_gamecallback = NULL;
  51
  52
  53 // Instance of the time getter
  54 static TimeGetter *g_timegetter = NULL;
  55
  56 u32 getTimeMs()
  57 {
  58         if (g_timegetter == NULL)
  59                 return 0;
  60         return g_timegetter->getTime(PRECISION_MILLI);
  61 }
  62
  63 u32 getTime(TimePrecision prec) {
  64         if (g_timegetter == NULL)
  65                 return 0;
  66         return g_timegetter->getTime(prec);
  67 }
  68
  69 ClientLauncher::~ClientLauncher()
  70 {
  71         if (receiver)
  72                 delete receiver;
  73
  74         if (input)
  75                 delete input;
  76
  77         if (g_fontengine)
  78                 delete g_fontengine;
  79
  80         if (device)
  81                 device->drop();
  82 }
  83
  84
  85 bool ClientLauncher::run(GameParams &game_params, const Settings &cmd_args)
  86 {
  87         init_args(game_params, cmd_args);
  88
  89         // List video modes if requested
  90         if (list_video_modes)
  91                 return print_video_modes();
  92
  93         if (!init_engine()) {
  94                 errorstream << "Could not initialize game engine." << std::endl;
  95                 return false;
  96         }
  97
  98         // Create time getter
  99         g_timegetter = new IrrlichtTimeGetter(device);
 100
 101         // Speed tests (done after irrlicht is loaded to get timer)
 102         if (cmd_args.getFlag("speedtests")) {
 103                 dstream << "Running speed tests" << std::endl;
 104                 speed_tests();
 105                 return true;
 106         }
 107
 108         video::IVideoDriver *video_driver = device->getVideoDriver();
 109         if (video_driver == NULL) {
 110                 errorstream << "Could not initialize video driver." << std::endl;
 111                 return false;
 112         }
 113
 114         porting::setXorgClassHint(video_driver->getExposedVideoData(), PROJECT_NAME_C);
 115
 116         /*
 117                 This changes the minimum allowed number of vertices in a VBO.
 118                 Default is 500.
 119         */
 120         //driver->setMinHardwareBufferVertexCount(50);
 121
 122         // Create game callback for menus
 123         g_gamecallback = new MainGameCallback(device);
 124
 125         device->setResizable(true);
 126
 127         if (random_input)
 128                 input = new RandomInputHandler();
 129         else
 130                 input = new RealInputHandler(device, receiver);
 131
 132         smgr = device->getSceneManager();
 133         smgr->getParameters()->setAttribute(scene::ALLOW_ZWRITE_ON_TRANSPARENT, true);
 134
 135         guienv = device->getGUIEnvironment();
 136         skin = guienv->getSkin();
 137         skin->setColor(gui::EGDC_BUTTON_TEXT, video::SColor(255, 255, 255, 255));
 138         skin->setColor(gui::EGDC_3D_LIGHT, video::SColor(0, 0, 0, 0));
 139         skin->setColor(gui::EGDC_3D_HIGH_LIGHT, video::SColor(255, 30, 30, 30));
 140         skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(255, 0, 0, 0));
 141         skin->setColor(gui::EGDC_HIGH_LIGHT, video::SColor(255, 70, 120, 50));
 142         skin->setColor(gui::EGDC_HIGH_LIGHT_TEXT, video::SColor(255, 255, 255, 255));
 143
 144         g_fontengine = new FontEngine(g_settings, guienv);
 145         FATAL_ERROR_IF(g_fontengine == NULL, "Font engine creation failed.");
 146
 147 #if (IRRLICHT_VERSION_MAJOR >= 1 && IRRLICHT_VERSION_MINOR >= 8) || IRRLICHT_VERSION_MAJOR >= 2
 148         // Irrlicht 1.8 input colours
 149         skin->setColor(gui::EGDC_EDITABLE, video::SColor(255, 128, 128, 128));
 150         skin->setColor(gui::EGDC_FOCUSED_EDITABLE, video::SColor(255, 96, 134, 49));
 151 #endif
 152
 153         // Create the menu clouds
 154         if (!g_menucloudsmgr)
 155                 g_menucloudsmgr = smgr->createNewSceneManager();
 156         if (!g_menuclouds)
 157                 g_menuclouds = new Clouds(g_menucloudsmgr->getRootSceneNode(),
 158                                 g_menucloudsmgr, -1, rand(), 100);
 159         g_menuclouds->update(v2f(0, 0), video::SColor(255, 200, 200, 255));
 160         scene::ICameraSceneNode* camera;
 161         camera = g_menucloudsmgr->addCameraSceneNode(0,
 162                                 v3f(0, 0, 0), v3f(0, 60, 100));
 163         camera->setFarValue(10000);
 164
 165         /*
 166                 GUI stuff
 167         */
 168
 169         ChatBackend chat_backend;
 170
 171         // If an error occurs, this is set to something by menu().
 172         // It is then displayed before the menu shows on the next call to menu()
 173         std::string error_message;
 174         bool reconnect_requested = false;
 175
 176         bool first_loop = true;
 177
 178         /*
 179                 Menu-game loop
 180         */
 181         bool retval = true;
 182         bool *kill = porting::signal_handler_killstatus();
 183
 184         while (device->run() && !*kill && !g_gamecallback->shutdown_requested)
 185         {
 186                 // Set the window caption
 187                 const wchar_t *text = wgettext("Main Menu");
 188                 device->setWindowCaption((utf8_to_wide(PROJECT_NAME_C) + L" [" + text + L"]").c_str());
 189                 delete[] text;
 190
 191                 try {   // This is used for catching disconnects
 192
 193                         guienv->clear();
 194
 195                         /*
 196                                 We need some kind of a root node to be able to add
 197                                 custom gui elements directly on the screen.
 198                                 Otherwise they won't be automatically drawn.
 199                         */
 200                         guiroot = guienv->addStaticText(L"", core::rect<s32>(0, 0, 10000, 10000));
 201
 202                         bool game_has_run = launch_game(error_message, reconnect_requested,
 203                                 game_params, cmd_args);
 204
 205                         // Reset the reconnect_requested flag
 206                         reconnect_requested = false;
 207
 208                         // If skip_main_menu, we only want to startup once
 209                         if (skip_main_menu && !first_loop)
 210                                 break;
 211
 212                         first_loop = false;
 213
 214                         if (!game_has_run) {
 215                                 if (skip_main_menu)
 216                                         break;
 217                                 else
 218                                         continue;
 219                         }
 220
 221                         // Break out of menu-game loop to shut down cleanly
 222                         if (!device->run() || *kill) {
 223                                 if (g_settings_path != "")
 224                                         g_settings->updateConfigFile(g_settings_path.c_str());
 225                                 break;
 226                         }
 227
 228                         if (current_playername.length() > PLAYERNAME_SIZE-1) {
 229                                 error_message = gettext("Player name too long.");
 230                                 playername = current_playername.substr(0, PLAYERNAME_SIZE-1);
 231                                 g_settings->set("name", playername);
 232                                 continue;
 233                         }
 234
 235                         device->getVideoDriver()->setTextureCreationFlag(
 236                                         video::ETCF_CREATE_MIP_MAPS, g_settings->getBool("mip_map"));
 237
 238 #ifdef HAVE_TOUCHSCREENGUI
 239                         receiver->m_touchscreengui = new TouchScreenGUI(device, receiver);
 240                         g_touchscreengui = receiver->m_touchscreengui;
 241 #endif
 242
 243                         the_game(
 244                                 kill,
 245                                 random_input,
 246                                 input,
 247                                 device,
 248                                 worldspec.path,
 249                                 current_playername,
 250                                 current_password,
 251                                 current_address,
 252                                 current_port,
 253                                 error_message,
 254                                 chat_backend,
 255                                 &reconnect_requested,
 256                                 gamespec,
 257                                 simple_singleplayer_mode
 258                         );
 259                         smgr->clear();
 260
 261 #ifdef HAVE_TOUCHSCREENGUI
 262                         delete g_touchscreengui;
 263                         g_touchscreengui = NULL;
 264                         receiver->m_touchscreengui = NULL;
 265 #endif
 266
 267                 } //try
 268                 catch (con::PeerNotFoundException &e) {
 269                         error_message = gettext("Connection error (timed out?)");
 270                         errorstream << error_message << std::endl;
 271                 }
 272
 273 #ifdef NDEBUG
 274                 catch (std::exception &e) {
 275                         std::string error_message = "Some exception: \"";
 276                         error_message += e.what();
 277                         error_message += "\"";
 278                         errorstream << error_message << std::endl;
 279                 }
 280 #endif
 281
 282                 // If no main menu, show error and exit
 283                 if (skip_main_menu) {
 284                         if (!error_message.empty()) {
 285                                 verbosestream << "error_message = "
 286                                               << error_message << std::endl;
 287                                 retval = false;
 288                         }
 289                         break;
 290                 }
 291         } // Menu-game loop
 292
 293         g_menuclouds->drop();
 294         g_menucloudsmgr->drop();
 295
 296         return retval;
 297 }
 298
 299 void ClientLauncher::init_args(GameParams &game_params, const Settings &cmd_args)
 300 {
 301
 302         skip_main_menu = cmd_args.getFlag("go");
 303
 304         // FIXME: This is confusing (but correct)
 305
 306         /* If world_path is set then override it unless skipping the main menu using
 307          * the --go command line param. Else, give preference to the address
 308          * supplied on the command line
 309          */
 310         address = g_settings->get("address");
 311         if (game_params.world_path != "" && !skip_main_menu)
 312                 address = "";
 313         else if (cmd_args.exists("address"))
 314                 address = cmd_args.get("address");
 315
 316         playername = g_settings->get("name");
 317         if (cmd_args.exists("name"))
 318                 playername = cmd_args.get("name");
 319
 320         list_video_modes = cmd_args.getFlag("videomodes");
 321
 322         use_freetype = g_settings->getBool("freetype");
 323
 324         random_input = g_settings->getBool("random_input")
 325                         || cmd_args.getFlag("random-input");
 326 }
 327
 328 bool ClientLauncher::init_engine()
 329 {
 330         receiver = new MyEventReceiver();
 331         create_engine_device();
 332         return device != NULL;
 333 }
 334
 335 bool ClientLauncher::launch_game(std::string &error_message,
 336                 bool reconnect_requested, GameParams &game_params,
 337                 const Settings &cmd_args)
 338 {
 339         // Initialize menu data
 340         MainMenuData menudata;
 341         menudata.address                         = address;
 342         menudata.name                            = playername;
 343         menudata.password                        = password;
 344         menudata.port                            = itos(game_params.socket_port);
 345         menudata.script_data.errormessage        = error_message;
 346         menudata.script_data.reconnect_requested = reconnect_requested;
 347
 348         error_message.clear();
 349
 350         if (cmd_args.exists("password"))
 351                 menudata.password = cmd_args.get("password");
 352
 353         menudata.enable_public = g_settings->getBool("server_announce");
 354
 355         // If a world was commanded, append and select it
 356         if (game_params.world_path != "") {
 357                 worldspec.gameid = getWorldGameId(game_params.world_path, true);
 358                 worldspec.name = _("[--world parameter]");
 359
 360                 if (worldspec.gameid == "") {   // Create new
 361                         worldspec.gameid = g_settings->get("default_game");
 362                         worldspec.name += " [new]";
 363                 }
 364                 worldspec.path = game_params.world_path;
 365         }
 366
 367         /* Show the GUI menu
 368          */
 369         if (!skip_main_menu) {
 370                 main_menu(&menudata);
 371
 372                 // Skip further loading if there was an exit signal.
 373                 if (*porting::signal_handler_killstatus())
 374                         return false;
 375
 376                 address = menudata.address;
 377                 int newport = stoi(menudata.port);
 378                 if (newport != 0)
 379                         game_params.socket_port = newport;
 380
 381                 simple_singleplayer_mode = menudata.simple_singleplayer_mode;
 382
 383                 std::vector<WorldSpec> worldspecs = getAvailableWorlds();
 384
 385                 if (menudata.selected_world >= 0
 386                                 && menudata.selected_world < (int)worldspecs.size()) {
 387                         g_settings->set("selected_world_path",
 388                                         worldspecs[menudata.selected_world].path);
 389                         worldspec = worldspecs[menudata.selected_world];
 390                 }
 391         }
 392
 393         if (!menudata.script_data.errormessage.empty()) {
 394                 /* The calling function will pass this back into this function upon the
 395                  * next iteration (if any) causing it to be displayed by the GUI
 396                  */
 397                 error_message = menudata.script_data.errormessage;
 398                 return false;
 399         }
 400
 401         if (menudata.name == "")
 402                 menudata.name = std::string("Guest") + itos(myrand_range(1000, 9999));
 403         else
 404                 playername = menudata.name;
 405
 406         password = menudata.password;
 407
 408         g_settings->set("name", playername);
 409
 410         current_playername = playername;
 411         current_password   = password;
 412         current_address    = address;
 413         current_port       = game_params.socket_port;
 414
 415         // If using simple singleplayer mode, override
 416         if (simple_singleplayer_mode) {
 417                 assert(skip_main_menu == false);
 418                 current_playername = "singleplayer";
 419                 current_password = "";
 420                 current_address = "";
 421                 current_port = myrand_range(49152, 65535);
 422         } else if (address != "") {
 423                 ServerListSpec server;
 424                 server["name"] = menudata.servername;
 425                 server["address"] = menudata.address;
 426                 server["port"] = menudata.port;
 427                 server["description"] = menudata.serverdescription;
 428                 ServerList::insert(server);
 429         }
 430
 431         infostream << "Selected world: " << worldspec.name
 432                    << " [" << worldspec.path << "]" << std::endl;
 433
 434         if (current_address == "") { // If local game
 435                 if (worldspec.path == "") {
 436                         error_message = gettext("No world selected and no address "
 437                                         "provided. Nothing to do.");
 438                         errorstream << error_message << std::endl;
 439                         return false;
 440                 }
 441
 442                 if (!fs::PathExists(worldspec.path)) {
 443                         error_message = gettext("Provided world path doesn't exist: ")
 444                                         + worldspec.path;
 445                         errorstream << error_message << std::endl;
 446                         return false;
 447                 }
 448
 449                 // Load gamespec for required game
 450                 gamespec = findWorldSubgame(worldspec.path);
 451                 if (!gamespec.isValid() && !game_params.game_spec.isValid()) {
 452                         error_message = gettext("Could not find or load game \"")
 453                                         + worldspec.gameid + "\"";
 454                         errorstream << error_message << std::endl;
 455                         return false;
 456                 }
 457
 458                 if (porting::signal_handler_killstatus())
 459                         return true;
 460
 461                 if (game_params.game_spec.isValid() &&
 462                                 game_params.game_spec.id != worldspec.gameid) {
 463                         warningstream << "Overriding gamespec from \""
 464                                     << worldspec.gameid << "\" to \""
 465                                     << game_params.game_spec.id << "\"" << std::endl;
 466                         gamespec = game_params.game_spec;
 467                 }
 468
 469                 if (!gamespec.isValid()) {
 470                         error_message = gettext("Invalid gamespec.");
 471                         error_message += " (world.gameid=" + worldspec.gameid + ")";
 472                         errorstream << error_message << std::endl;
 473                         return false;
 474                 }
 475         }
 476
 477         return true;
 478 }
 479
 480 void ClientLauncher::main_menu(MainMenuData *menudata)
 481 {
 482         bool *kill = porting::signal_handler_killstatus();
 483         video::IVideoDriver *driver = device->getVideoDriver();
 484
 485         infostream << "Waiting for other menus" << std::endl;
 486         while (device->run() && *kill == false) {
 487                 if (noMenuActive())
 488                         break;
 489                 driver->beginScene(true, true, video::SColor(255, 128, 128, 128));
 490                 guienv->drawAll();
 491                 driver->endScene();
 492                 // On some computers framerate doesn't seem to be automatically limited
 493                 sleep_ms(25);
 494         }
 495         infostream << "Waited for other menus" << std::endl;
 496
 497         // Cursor can be non-visible when coming from the game
 498 #ifndef ANDROID
 499         device->getCursorControl()->setVisible(true);
 500 #endif
 501
 502         /* show main menu */
 503         GUIEngine mymenu(device, &input->joystick, guiroot,
 504                 &g_menumgr, smgr, menudata, *kill);
 505
 506         smgr->clear();  /* leave scene manager in a clean state */
 507 }
 508
 509 bool ClientLauncher::create_engine_device()
 510 {
 511         // Resolution selection
 512         bool fullscreen = g_settings->getBool("fullscreen");
 513         u16 screenW = g_settings->getU16("screenW");
 514         u16 screenH = g_settings->getU16("screenH");
 515
 516         // bpp, fsaa, vsync
 517         bool vsync = g_settings->getBool("vsync");
 518         u16 bits = g_settings->getU16("fullscreen_bpp");
 519         u16 fsaa = g_settings->getU16("fsaa");
 520
 521         // stereo buffer required for pageflip stereo
 522         bool stereo_buffer = g_settings->get("3d_mode") == "pageflip";
 523
 524         // Determine driver
 525         video::E_DRIVER_TYPE driverType = video::EDT_OPENGL;
 526         std::string driverstring = g_settings->get("video_driver");
 527         std::vector<video::E_DRIVER_TYPE> drivers
 528                 = porting::getSupportedVideoDrivers();
 529         u32 i;
 530         for (i = 0; i != drivers.size(); i++) {
 531                 if (!strcasecmp(driverstring.c_str(),
 532                         porting::getVideoDriverName(drivers[i]))) {
 533                         driverType = drivers[i];
 534                         break;
 535                 }
 536         }
 537         if (i == drivers.size()) {
 538                 errorstream << "Invalid video_driver specified; "
 539                         "defaulting to opengl" << std::endl;
 540         }
 541
 542         SIrrlichtCreationParameters params = SIrrlichtCreationParameters();
 543         params.DriverType    = driverType;
 544         params.WindowSize    = core::dimension2d<u32>(screenW, screenH);
 545         params.Bits          = bits;
 546         params.AntiAlias     = fsaa;
 547         params.Fullscreen    = fullscreen;
 548         params.Stencilbuffer = false;
 549         params.Stereobuffer  = stereo_buffer;
 550         params.Vsync         = vsync;
 551         params.EventReceiver = receiver;
 552         params.HighPrecisionFPU = g_settings->getBool("high_precision_fpu");
 553         params.ZBufferBits   = 24;
 554 #ifdef __ANDROID__
 555         params.PrivateData = porting::app_global;
 556         params.OGLES2ShaderPath = std::string(porting::path_user + DIR_DELIM +
 557                         "media" + DIR_DELIM + "Shaders" + DIR_DELIM).c_str();
 558 #endif
 559
 560         device = createDeviceEx(params);
 561
 562         if (device) {
 563                 if (g_settings->getBool("enable_joysticks")) {
 564                         irr::core::array<irr::SJoystickInfo> infos;
 565                         std::vector<irr::SJoystickInfo> joystick_infos;
 566                         // Make sure this is called maximum once per
 567                         // irrlicht device, otherwise it will give you
 568                         // multiple events for the same joystick.
 569                         if (device->activateJoysticks(infos)) {
 570                                 infostream << "Joystick support enabled" << std::endl;
 571                                 joystick_infos.reserve(infos.size());
 572                                 for (u32 i = 0; i < infos.size(); i++) {
 573                                         joystick_infos.push_back(infos[i]);
 574                                 }
 575                         } else {
 576                                 errorstream << "Could not activate joystick support." << std::endl;
 577                         }
 578                 }
 579                 porting::initIrrlicht(device);
 580         }
 581
 582         return device != NULL;
 583 }
 584
 585 void ClientLauncher::speed_tests()
 586 {
 587         // volatile to avoid some potential compiler optimisations
 588         volatile static s16 temp16;
 589         volatile static f32 tempf;
 590         static v3f tempv3f1;
 591         static v3f tempv3f2;
 592         static std::string tempstring;
 593         static std::string tempstring2;
 594
 595         tempv3f1 = v3f();
 596         tempv3f2 = v3f();
 597         tempstring = std::string();
 598         tempstring2 = std::string();
 599
 600         {
 601                 infostream << "The following test should take around 20ms." << std::endl;
 602                 TimeTaker timer("Testing std::string speed");
 603                 const u32 jj = 10000;
 604                 for (u32 j = 0; j < jj; j++) {
 605                         tempstring = "";
 606                         tempstring2 = "";
 607                         const u32 ii = 10;
 608                         for (u32 i = 0; i < ii; i++) {
 609                                 tempstring2 += "asd";
 610                         }
 611                         for (u32 i = 0; i < ii+1; i++) {
 612                                 tempstring += "asd";
 613                                 if (tempstring == tempstring2)
 614                                         break;
 615                         }
 616                 }
 617         }
 618
 619         infostream << "All of the following tests should take around 100ms each."
 620                    << std::endl;
 621
 622         {
 623                 TimeTaker timer("Testing floating-point conversion speed");
 624                 tempf = 0.001;
 625                 for (u32 i = 0; i < 4000000; i++) {
 626                         temp16 += tempf;
 627                         tempf += 0.001;
 628                 }
 629         }
 630
 631         {
 632                 TimeTaker timer("Testing floating-point vector speed");
 633
 634                 tempv3f1 = v3f(1, 2, 3);
 635                 tempv3f2 = v3f(4, 5, 6);
 636                 for (u32 i = 0; i < 10000000; i++) {
 637                         tempf += tempv3f1.dotProduct(tempv3f2);
 638                         tempv3f2 += v3f(7, 8, 9);
 639                 }
 640         }
 641
 642         {
 643                 TimeTaker timer("Testing std::map speed");
 644
 645                 std::map<v2s16, f32> map1;
 646                 tempf = -324;
 647                 const s16 ii = 300;
 648                 for (s16 y = 0; y < ii; y++) {
 649                         for (s16 x = 0; x < ii; x++) {
 650                                 map1[v2s16(x, y)] =  tempf;
 651                                 tempf += 1;
 652                         }
 653                 }
 654                 for (s16 y = ii - 1; y >= 0; y--) {
 655                         for (s16 x = 0; x < ii; x++) {
 656                                 tempf = map1[v2s16(x, y)];
 657                         }
 658                 }
 659         }
 660
 661         {
 662                 infostream << "Around 5000/ms should do well here." << std::endl;
 663                 TimeTaker timer("Testing mutex speed");
 664
 665                 Mutex m;
 666                 u32 n = 0;
 667                 u32 i = 0;
 668                 do {
 669                         n += 10000;
 670                         for (; i < n; i++) {
 671                                 m.lock();
 672                                 m.unlock();
 673                         }
 674                 }
 675                 // Do at least 10ms
 676                 while(timer.getTimerTime() < 10);
 677
 678                 u32 dtime = timer.stop();
 679                 u32 per_ms = n / dtime;
 680                 infostream << "Done. " << dtime << "ms, " << per_ms << "/ms" << std::endl;
 681         }
 682 }
 683
 684 bool ClientLauncher::print_video_modes()
 685 {
 686         IrrlichtDevice *nulldevice;
 687
 688         bool vsync = g_settings->getBool("vsync");
 689         u16 fsaa = g_settings->getU16("fsaa");
 690         MyEventReceiver* receiver = new MyEventReceiver();
 691
 692         SIrrlichtCreationParameters params = SIrrlichtCreationParameters();
 693         params.DriverType    = video::EDT_NULL;
 694         params.WindowSize    = core::dimension2d<u32>(640, 480);
 695         params.Bits          = 24;
 696         params.AntiAlias     = fsaa;
 697         params.Fullscreen    = false;
 698         params.Stencilbuffer = false;
 699         params.Vsync         = vsync;
 700         params.EventReceiver = receiver;
 701         params.HighPrecisionFPU = g_settings->getBool("high_precision_fpu");
 702
 703         nulldevice = createDeviceEx(params);
 704
 705         if (nulldevice == NULL) {
 706                 delete receiver;
 707                 return false;
 708         }
 709
 710         std::cout << _("Available video modes (WxHxD):") << std::endl;
 711
 712         video::IVideoModeList *videomode_list = nulldevice->getVideoModeList();
 713
 714         if (videomode_list != NULL) {
 715                 s32 videomode_count = videomode_list->getVideoModeCount();
 716                 core::dimension2d<u32> videomode_res;
 717                 s32 videomode_depth;
 718                 for (s32 i = 0; i < videomode_count; ++i) {
 719                         videomode_res = videomode_list->getVideoModeResolution(i);
 720                         videomode_depth = videomode_list->getVideoModeDepth(i);
 721                         std::cout << videomode_res.Width << "x" << videomode_res.Height
 722                                 << "x" << videomode_depth << std::endl;
 723                 }
 724
 725                 std::cout << _("Active video mode (WxHxD):") << std::endl;
 726                 videomode_res = videomode_list->getDesktopResolution();
 727                 videomode_depth = videomode_list->getDesktopDepth();
 728                 std::cout << videomode_res.Width << "x" << videomode_res.Height
 729                         << "x" << videomode_depth << std::endl;
 730
 731         }
 732
 733         nulldevice->drop();
 734         delete receiver;
 735
 736         return videomode_list != NULL;
 737 }