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