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 #include "version.h"
  38
  39 /* mainmenumanager.h
  40  */
  41 gui::IGUIEnvironment *guienv = NULL;
  42 gui::IGUIStaticText *guiroot = NULL;
  43 MainMenuManager g_menumgr;
  44
  45 bool noMenuActive()
  46 {
  47         return g_menumgr.menuCount() == 0;
  48 }
  49
  50 // Passed to menus to allow disconnecting and exiting
  51 MainGameCallback *g_gamecallback = NULL;
  52
  53
  54 // Instance of the time getter
  55 static TimeGetter *g_timegetter = NULL;
  56
  57 u32 getTimeMs()
  58 {
  59         if (g_timegetter == NULL)
  60                 return 0;
  61         return g_timegetter->getTime(PRECISION_MILLI);
  62 }
  63
  64 u32 getTime(TimePrecision prec) {
  65         if (g_timegetter == NULL)
  66                 return 0;
  67         return g_timegetter->getTime(prec);
  68 }
  69
  70 ClientLauncher::~ClientLauncher()
  71 {
  72         if (receiver)
  73                 delete receiver;
  74
  75         if (input)
  76                 delete input;
  77
  78         if (g_fontengine)
  79                 delete g_fontengine;
  80
  81         if (device)
  82                 device->drop();
  83 }
  84
  85
  86 bool ClientLauncher::run(GameParams &game_params, const Settings &cmd_args)
  87 {
  88         init_args(game_params, cmd_args);
  89
  90         // List video modes if requested
  91         if (list_video_modes)
  92                 return print_video_modes();
  93
  94         if (!init_engine()) {
  95                 errorstream << "Could not initialize game engine." << std::endl;
  96                 return false;
  97         }
  98
  99         // Create time getter
 100         g_timegetter = new IrrlichtTimeGetter(device);
 101
 102         // Speed tests (done after irrlicht is loaded to get timer)
 103         if (cmd_args.getFlag("speedtests")) {
 104                 dstream << "Running speed tests" << std::endl;
 105                 speed_tests();
 106                 return true;
 107         }
 108
 109         video::IVideoDriver *video_driver = device->getVideoDriver();
 110         if (video_driver == NULL) {
 111                 errorstream << "Could not initialize video driver." << std::endl;
 112                 return false;
 113         }
 114
 115         porting::setXorgClassHint(video_driver->getExposedVideoData(), PROJECT_NAME_C);
 116
 117         porting::setWindowIcon(device);
 118
 119         /*
 120                 This changes the minimum allowed number of vertices in a VBO.
 121                 Default is 500.
 122         */
 123         //driver->setMinHardwareBufferVertexCount(50);
 124
 125         // Create game callback for menus
 126         g_gamecallback = new MainGameCallback(device);
 127
 128         device->setResizable(true);
 129
 130         init_input();
 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) +
 189                         L" " + utf8_to_wide(g_version_hash) +
 190                         L" [" + text + L"]").c_str());
 191                 delete[] text;
 192
 193                 try {   // This is used for catching disconnects
 194
 195                         guienv->clear();
 196
 197                         /*
 198                                 We need some kind of a root node to be able to add
 199                                 custom gui elements directly on the screen.
 200                                 Otherwise they won't be automatically drawn.
 201                         */
 202                         guiroot = guienv->addStaticText(L"", core::rect<s32>(0, 0, 10000, 10000));
 203
 204                         bool game_has_run = launch_game(error_message, reconnect_requested,
 205                                 game_params, cmd_args);
 206
 207                         // Reset the reconnect_requested flag
 208                         reconnect_requested = false;
 209
 210                         // If skip_main_menu, we only want to startup once
 211                         if (skip_main_menu && !first_loop)
 212                                 break;
 213
 214                         first_loop = false;
 215
 216                         if (!game_has_run) {
 217                                 if (skip_main_menu)
 218                                         break;
 219                                 else
 220                                         continue;
 221                         }
 222
 223                         // Break out of menu-game loop to shut down cleanly
 224                         if (!device->run() || *kill) {
 225                                 if (g_settings_path != "")
 226                                         g_settings->updateConfigFile(g_settings_path.c_str());
 227                                 break;
 228                         }
 229
 230                         if (current_playername.length() > PLAYERNAME_SIZE-1) {
 231                                 error_message = gettext("Player name too long.");
 232                                 playername = current_playername.substr(0, PLAYERNAME_SIZE-1);
 233                                 g_settings->set("name", playername);
 234                                 continue;
 235                         }
 236
 237                         device->getVideoDriver()->setTextureCreationFlag(
 238                                         video::ETCF_CREATE_MIP_MAPS, g_settings->getBool("mip_map"));
 239
 240 #ifdef HAVE_TOUCHSCREENGUI
 241                         receiver->m_touchscreengui = new TouchScreenGUI(device, receiver);
 242                         g_touchscreengui = receiver->m_touchscreengui;
 243 #endif
 244
 245                         the_game(
 246                                 kill,
 247                                 random_input,
 248                                 input,
 249                                 device,
 250                                 worldspec.path,
 251                                 current_playername,
 252                                 current_password,
 253                                 current_address,
 254                                 current_port,
 255                                 error_message,
 256                                 chat_backend,
 257                                 &reconnect_requested,
 258                                 gamespec,
 259                                 simple_singleplayer_mode
 260                         );
 261                         smgr->clear();
 262
 263 #ifdef HAVE_TOUCHSCREENGUI
 264                         delete g_touchscreengui;
 265                         g_touchscreengui = NULL;
 266                         receiver->m_touchscreengui = NULL;
 267 #endif
 268
 269                 } //try
 270                 catch (con::PeerNotFoundException &e) {
 271                         error_message = gettext("Connection error (timed out?)");
 272                         errorstream << error_message << std::endl;
 273                 }
 274
 275 #ifdef NDEBUG
 276                 catch (std::exception &e) {
 277                         std::string error_message = "Some exception: \"";
 278                         error_message += e.what();
 279                         error_message += "\"";
 280                         errorstream << error_message << std::endl;
 281                 }
 282 #endif
 283
 284                 // If no main menu, show error and exit
 285                 if (skip_main_menu) {
 286                         if (!error_message.empty()) {
 287                                 verbosestream << "error_message = "
 288                                               << error_message << std::endl;
 289                                 retval = false;
 290                         }
 291                         break;
 292                 }
 293         } // Menu-game loop
 294
 295         g_menuclouds->drop();
 296         g_menucloudsmgr->drop();
 297
 298         return retval;
 299 }
 300
 301 void ClientLauncher::init_args(GameParams &game_params, const Settings &cmd_args)
 302 {
 303
 304         skip_main_menu = cmd_args.getFlag("go");
 305
 306         // FIXME: This is confusing (but correct)
 307
 308         /* If world_path is set then override it unless skipping the main menu using
 309          * the --go command line param. Else, give preference to the address
 310          * supplied on the command line
 311          */
 312         address = g_settings->get("address");
 313         if (game_params.world_path != "" && !skip_main_menu)
 314                 address = "";
 315         else if (cmd_args.exists("address"))
 316                 address = cmd_args.get("address");
 317
 318         playername = g_settings->get("name");
 319         if (cmd_args.exists("name"))
 320                 playername = cmd_args.get("name");
 321
 322         list_video_modes = cmd_args.getFlag("videomodes");
 323
 324         use_freetype = g_settings->getBool("freetype");
 325
 326         random_input = g_settings->getBool("random_input")
 327                         || cmd_args.getFlag("random-input");
 328 }
 329
 330 bool ClientLauncher::init_engine()
 331 {
 332         receiver = new MyEventReceiver();
 333         create_engine_device();
 334         return device != NULL;
 335 }
 336
 337 void ClientLauncher::init_input()
 338 {
 339         if (random_input)
 340                 input = new RandomInputHandler();
 341         else
 342                 input = new RealInputHandler(device, receiver);
 343
 344         if (g_settings->getBool("enable_joysticks")) {
 345                 irr::core::array<irr::SJoystickInfo> infos;
 346                 std::vector<irr::SJoystickInfo> joystick_infos;
 347
 348                 // Make sure this is called maximum once per
 349                 // irrlicht device, otherwise it will give you
 350                 // multiple events for the same joystick.
 351                 if (device->activateJoysticks(infos)) {
 352                         infostream << "Joystick support enabled" << std::endl;
 353                         joystick_infos.reserve(infos.size());
 354                         for (u32 i = 0; i < infos.size(); i++) {
 355                                 joystick_infos.push_back(infos[i]);
 356                         }
 357                         input->joystick.onJoystickConnect(joystick_infos);
 358                 } else {
 359                         errorstream << "Could not activate joystick support." << std::endl;
 360                 }
 361         }
 362 }
 363
 364 bool ClientLauncher::launch_game(std::string &error_message,
 365                 bool reconnect_requested, GameParams &game_params,
 366                 const Settings &cmd_args)
 367 {
 368         // Initialize menu data
 369         MainMenuData menudata;
 370         menudata.address                         = address;
 371         menudata.name                            = playername;
 372         menudata.password                        = password;
 373         menudata.port                            = itos(game_params.socket_port);
 374         menudata.script_data.errormessage        = error_message;
 375         menudata.script_data.reconnect_requested = reconnect_requested;
 376
 377         error_message.clear();
 378
 379         if (cmd_args.exists("password"))
 380                 menudata.password = cmd_args.get("password");
 381
 382         menudata.enable_public = g_settings->getBool("server_announce");
 383
 384         // If a world was commanded, append and select it
 385         if (game_params.world_path != "") {
 386                 worldspec.gameid = getWorldGameId(game_params.world_path, true);
 387                 worldspec.name = _("[--world parameter]");
 388
 389                 if (worldspec.gameid == "") {   // Create new
 390                         worldspec.gameid = g_settings->get("default_game");
 391                         worldspec.name += " [new]";
 392                 }
 393                 worldspec.path = game_params.world_path;
 394         }
 395
 396         /* Show the GUI menu
 397          */
 398         if (!skip_main_menu) {
 399                 main_menu(&menudata);
 400
 401                 // Skip further loading if there was an exit signal.
 402                 if (*porting::signal_handler_killstatus())
 403                         return false;
 404
 405                 address = menudata.address;
 406                 int newport = stoi(menudata.port);
 407                 if (newport != 0)
 408                         game_params.socket_port = newport;
 409
 410                 simple_singleplayer_mode = menudata.simple_singleplayer_mode;
 411
 412                 std::vector<WorldSpec> worldspecs = getAvailableWorlds();
 413
 414                 if (menudata.selected_world >= 0
 415                                 && menudata.selected_world < (int)worldspecs.size()) {
 416                         g_settings->set("selected_world_path",
 417                                         worldspecs[menudata.selected_world].path);
 418                         worldspec = worldspecs[menudata.selected_world];
 419                 }
 420         }
 421
 422         if (!menudata.script_data.errormessage.empty()) {
 423                 /* The calling function will pass this back into this function upon the
 424                  * next iteration (if any) causing it to be displayed by the GUI
 425                  */
 426                 error_message = menudata.script_data.errormessage;
 427                 return false;
 428         }
 429
 430         if (menudata.name == "" && !simple_singleplayer_mode) {
 431                 error_message = gettext("Please choose a name!");
 432                 return false;
 433         }
 434
 435         playername = menudata.name;
 436         password = menudata.password;
 437
 438         current_playername = playername;
 439         current_password   = password;
 440         current_address    = address;
 441         current_port       = game_params.socket_port;
 442
 443         // If using simple singleplayer mode, override
 444         if (simple_singleplayer_mode) {
 445                 assert(skip_main_menu == false);
 446                 current_playername = "singleplayer";
 447                 current_password = "";
 448                 current_address = "";
 449                 current_port = myrand_range(49152, 65535);
 450         } else {
 451                 g_settings->set("name", playername);
 452                 if (address != "") {
 453                         ServerListSpec server;
 454                         server["name"] = menudata.servername;
 455                         server["address"] = menudata.address;
 456                         server["port"] = menudata.port;
 457                         server["description"] = menudata.serverdescription;
 458                         ServerList::insert(server);
 459                 }
 460         }
 461
 462         infostream << "Selected world: " << worldspec.name
 463                    << " [" << worldspec.path << "]" << std::endl;
 464
 465         if (current_address == "") { // If local game
 466                 if (worldspec.path == "") {
 467                         error_message = gettext("No world selected and no address "
 468                                         "provided. Nothing to do.");
 469                         errorstream << error_message << std::endl;
 470                         return false;
 471                 }
 472
 473                 if (!fs::PathExists(worldspec.path)) {
 474                         error_message = gettext("Provided world path doesn't exist: ")
 475                                         + worldspec.path;
 476                         errorstream << error_message << std::endl;
 477                         return false;
 478                 }
 479
 480                 // Load gamespec for required game
 481                 gamespec = findWorldSubgame(worldspec.path);
 482                 if (!gamespec.isValid() && !game_params.game_spec.isValid()) {
 483                         error_message = gettext("Could not find or load game \"")
 484                                         + worldspec.gameid + "\"";
 485                         errorstream << error_message << std::endl;
 486                         return false;
 487                 }
 488
 489                 if (porting::signal_handler_killstatus())
 490                         return true;
 491
 492                 if (game_params.game_spec.isValid() &&
 493                                 game_params.game_spec.id != worldspec.gameid) {
 494                         warningstream << "Overriding gamespec from \""
 495                                     << worldspec.gameid << "\" to \""
 496                                     << game_params.game_spec.id << "\"" << std::endl;
 497                         gamespec = game_params.game_spec;
 498                 }
 499
 500                 if (!gamespec.isValid()) {
 501                         error_message = gettext("Invalid gamespec.");
 502                         error_message += " (world.gameid=" + worldspec.gameid + ")";
 503                         errorstream << error_message << std::endl;
 504                         return false;
 505                 }
 506         }
 507
 508         return true;
 509 }
 510
 511 void ClientLauncher::main_menu(MainMenuData *menudata)
 512 {
 513         bool *kill = porting::signal_handler_killstatus();
 514         video::IVideoDriver *driver = device->getVideoDriver();
 515
 516         infostream << "Waiting for other menus" << std::endl;
 517         while (device->run() && *kill == false) {
 518                 if (noMenuActive())
 519                         break;
 520                 driver->beginScene(true, true, video::SColor(255, 128, 128, 128));
 521                 guienv->drawAll();
 522                 driver->endScene();
 523                 // On some computers framerate doesn't seem to be automatically limited
 524                 sleep_ms(25);
 525         }
 526         infostream << "Waited for other menus" << std::endl;
 527
 528         // Cursor can be non-visible when coming from the game
 529 #ifndef ANDROID
 530         device->getCursorControl()->setVisible(true);
 531 #endif
 532
 533         /* show main menu */
 534         GUIEngine mymenu(device, &input->joystick, guiroot,
 535                 &g_menumgr, smgr, menudata, *kill);
 536
 537         smgr->clear();  /* leave scene manager in a clean state */
 538 }
 539
 540 bool ClientLauncher::create_engine_device()
 541 {
 542         // Resolution selection
 543         bool fullscreen = g_settings->getBool("fullscreen");
 544         u16 screenW = g_settings->getU16("screenW");
 545         u16 screenH = g_settings->getU16("screenH");
 546
 547         // bpp, fsaa, vsync
 548         bool vsync = g_settings->getBool("vsync");
 549         u16 bits = g_settings->getU16("fullscreen_bpp");
 550         u16 fsaa = g_settings->getU16("fsaa");
 551
 552         // stereo buffer required for pageflip stereo
 553         bool stereo_buffer = g_settings->get("3d_mode") == "pageflip";
 554
 555         // Determine driver
 556         video::E_DRIVER_TYPE driverType = video::EDT_OPENGL;
 557         const std::string &driverstring = g_settings->get("video_driver");
 558         std::vector<video::E_DRIVER_TYPE> drivers
 559                 = porting::getSupportedVideoDrivers();
 560         u32 i;
 561         for (i = 0; i != drivers.size(); i++) {
 562                 if (!strcasecmp(driverstring.c_str(),
 563                         porting::getVideoDriverName(drivers[i]))) {
 564                         driverType = drivers[i];
 565                         break;
 566                 }
 567         }
 568         if (i == drivers.size()) {
 569                 errorstream << "Invalid video_driver specified; "
 570                         "defaulting to opengl" << std::endl;
 571         }
 572
 573         SIrrlichtCreationParameters params = SIrrlichtCreationParameters();
 574         params.DriverType    = driverType;
 575         params.WindowSize    = core::dimension2d<u32>(screenW, screenH);
 576         params.Bits          = bits;
 577         params.AntiAlias     = fsaa;
 578         params.Fullscreen    = fullscreen;
 579         params.Stencilbuffer = false;
 580         params.Stereobuffer  = stereo_buffer;
 581         params.Vsync         = vsync;
 582         params.EventReceiver = receiver;
 583         params.HighPrecisionFPU = g_settings->getBool("high_precision_fpu");
 584         params.ZBufferBits   = 24;
 585 #ifdef __ANDROID__
 586         params.PrivateData = porting::app_global;
 587         params.OGLES2ShaderPath = std::string(porting::path_user + DIR_DELIM +
 588                         "media" + DIR_DELIM + "Shaders" + DIR_DELIM).c_str();
 589 #endif
 590
 591         device = createDeviceEx(params);
 592
 593         if (device)
 594                 porting::initIrrlicht(device);
 595
 596         return device != NULL;
 597 }
 598
 599 void ClientLauncher::speed_tests()
 600 {
 601         // volatile to avoid some potential compiler optimisations
 602         volatile static s16 temp16;
 603         volatile static f32 tempf;
 604         static v3f tempv3f1;
 605         static v3f tempv3f2;
 606         static std::string tempstring;
 607         static std::string tempstring2;
 608
 609         tempv3f1 = v3f();
 610         tempv3f2 = v3f();
 611         tempstring = std::string();
 612         tempstring2 = std::string();
 613
 614         {
 615                 infostream << "The following test should take around 20ms." << std::endl;
 616                 TimeTaker timer("Testing std::string speed");
 617                 const u32 jj = 10000;
 618                 for (u32 j = 0; j < jj; j++) {
 619                         tempstring = "";
 620                         tempstring2 = "";
 621                         const u32 ii = 10;
 622                         for (u32 i = 0; i < ii; i++) {
 623                                 tempstring2 += "asd";
 624                         }
 625                         for (u32 i = 0; i < ii+1; i++) {
 626                                 tempstring += "asd";
 627                                 if (tempstring == tempstring2)
 628                                         break;
 629                         }
 630                 }
 631         }
 632
 633         infostream << "All of the following tests should take around 100ms each."
 634                    << std::endl;
 635
 636         {
 637                 TimeTaker timer("Testing floating-point conversion speed");
 638                 tempf = 0.001;
 639                 for (u32 i = 0; i < 4000000; i++) {
 640                         temp16 += tempf;
 641                         tempf += 0.001;
 642                 }
 643         }
 644
 645         {
 646                 TimeTaker timer("Testing floating-point vector speed");
 647
 648                 tempv3f1 = v3f(1, 2, 3);
 649                 tempv3f2 = v3f(4, 5, 6);
 650                 for (u32 i = 0; i < 10000000; i++) {
 651                         tempf += tempv3f1.dotProduct(tempv3f2);
 652                         tempv3f2 += v3f(7, 8, 9);
 653                 }
 654         }
 655
 656         {
 657                 TimeTaker timer("Testing std::map speed");
 658
 659                 std::map<v2s16, f32> map1;
 660                 tempf = -324;
 661                 const s16 ii = 300;
 662                 for (s16 y = 0; y < ii; y++) {
 663                         for (s16 x = 0; x < ii; x++) {
 664                                 map1[v2s16(x, y)] =  tempf;
 665                                 tempf += 1;
 666                         }
 667                 }
 668                 for (s16 y = ii - 1; y >= 0; y--) {
 669                         for (s16 x = 0; x < ii; x++) {
 670                                 tempf = map1[v2s16(x, y)];
 671                         }
 672                 }
 673         }
 674
 675         {
 676                 infostream << "Around 5000/ms should do well here." << std::endl;
 677                 TimeTaker timer("Testing mutex speed");
 678
 679                 Mutex m;
 680                 u32 n = 0;
 681                 u32 i = 0;
 682                 do {
 683                         n += 10000;
 684                         for (; i < n; i++) {
 685                                 m.lock();
 686                                 m.unlock();
 687                         }
 688                 }
 689                 // Do at least 10ms
 690                 while(timer.getTimerTime() < 10);
 691
 692                 u32 dtime = timer.stop();
 693                 u32 per_ms = n / dtime;
 694                 infostream << "Done. " << dtime << "ms, " << per_ms << "/ms" << std::endl;
 695         }
 696 }
 697
 698 bool ClientLauncher::print_video_modes()
 699 {
 700         IrrlichtDevice *nulldevice;
 701
 702         bool vsync = g_settings->getBool("vsync");
 703         u16 fsaa = g_settings->getU16("fsaa");
 704         MyEventReceiver* receiver = new MyEventReceiver();
 705
 706         SIrrlichtCreationParameters params = SIrrlichtCreationParameters();
 707         params.DriverType    = video::EDT_NULL;
 708         params.WindowSize    = core::dimension2d<u32>(640, 480);
 709         params.Bits          = 24;
 710         params.AntiAlias     = fsaa;
 711         params.Fullscreen    = false;
 712         params.Stencilbuffer = false;
 713         params.Vsync         = vsync;
 714         params.EventReceiver = receiver;
 715         params.HighPrecisionFPU = g_settings->getBool("high_precision_fpu");
 716
 717         nulldevice = createDeviceEx(params);
 718
 719         if (nulldevice == NULL) {
 720                 delete receiver;
 721                 return false;
 722         }
 723
 724         std::cout << _("Available video modes (WxHxD):") << std::endl;
 725
 726         video::IVideoModeList *videomode_list = nulldevice->getVideoModeList();
 727
 728         if (videomode_list != NULL) {
 729                 s32 videomode_count = videomode_list->getVideoModeCount();
 730                 core::dimension2d<u32> videomode_res;
 731                 s32 videomode_depth;
 732                 for (s32 i = 0; i < videomode_count; ++i) {
 733                         videomode_res = videomode_list->getVideoModeResolution(i);
 734                         videomode_depth = videomode_list->getVideoModeDepth(i);
 735                         std::cout << videomode_res.Width << "x" << videomode_res.Height
 736                                 << "x" << videomode_depth << std::endl;
 737                 }
 738
 739                 std::cout << _("Active video mode (WxHxD):") << std::endl;
 740                 videomode_res = videomode_list->getDesktopResolution();
 741                 videomode_depth = videomode_list->getDesktopDepth();
 742                 std::cout << videomode_res.Width << "x" << videomode_res.Height
 743                         << "x" << videomode_depth << std::endl;
 744
 745         }
 746
 747         nulldevice->drop();
 748         delete receiver;
 749
 750         return videomode_list != NULL;
 751 }