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::setXorgWindowIcon(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         if (random_input)
 131                 input = new RandomInputHandler();
 132         else
 133                 input = new RealInputHandler(device, receiver);
 134
 135         smgr = device->getSceneManager();
 136         smgr->getParameters()->setAttribute(scene::ALLOW_ZWRITE_ON_TRANSPARENT, true);
 137
 138         guienv = device->getGUIEnvironment();
 139         skin = guienv->getSkin();
 140         skin->setColor(gui::EGDC_BUTTON_TEXT, video::SColor(255, 255, 255, 255));
 141         skin->setColor(gui::EGDC_3D_LIGHT, video::SColor(0, 0, 0, 0));
 142         skin->setColor(gui::EGDC_3D_HIGH_LIGHT, video::SColor(255, 30, 30, 30));
 143         skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(255, 0, 0, 0));
 144         skin->setColor(gui::EGDC_HIGH_LIGHT, video::SColor(255, 70, 120, 50));
 145         skin->setColor(gui::EGDC_HIGH_LIGHT_TEXT, video::SColor(255, 255, 255, 255));
 146
 147         g_fontengine = new FontEngine(g_settings, guienv);
 148         FATAL_ERROR_IF(g_fontengine == NULL, "Font engine creation failed.");
 149
 150 #if (IRRLICHT_VERSION_MAJOR >= 1 && IRRLICHT_VERSION_MINOR >= 8) || IRRLICHT_VERSION_MAJOR >= 2
 151         // Irrlicht 1.8 input colours
 152         skin->setColor(gui::EGDC_EDITABLE, video::SColor(255, 128, 128, 128));
 153         skin->setColor(gui::EGDC_FOCUSED_EDITABLE, video::SColor(255, 96, 134, 49));
 154 #endif
 155
 156         // Create the menu clouds
 157         if (!g_menucloudsmgr)
 158                 g_menucloudsmgr = smgr->createNewSceneManager();
 159         if (!g_menuclouds)
 160                 g_menuclouds = new Clouds(g_menucloudsmgr->getRootSceneNode(),
 161                                 g_menucloudsmgr, -1, rand(), 100);
 162         g_menuclouds->update(v2f(0, 0), video::SColor(255, 200, 200, 255));
 163         scene::ICameraSceneNode* camera;
 164         camera = g_menucloudsmgr->addCameraSceneNode(0,
 165                                 v3f(0, 0, 0), v3f(0, 60, 100));
 166         camera->setFarValue(10000);
 167
 168         /*
 169                 GUI stuff
 170         */
 171
 172         ChatBackend chat_backend;
 173
 174         // If an error occurs, this is set to something by menu().
 175         // It is then displayed before the menu shows on the next call to menu()
 176         std::string error_message;
 177         bool reconnect_requested = false;
 178
 179         bool first_loop = true;
 180
 181         /*
 182                 Menu-game loop
 183         */
 184         bool retval = true;
 185         bool *kill = porting::signal_handler_killstatus();
 186
 187         while (device->run() && !*kill && !g_gamecallback->shutdown_requested)
 188         {
 189                 // Set the window caption
 190                 const wchar_t *text = wgettext("Main Menu");
 191                 device->setWindowCaption((utf8_to_wide(PROJECT_NAME_C) +
 192                         L" " + utf8_to_wide(g_version_hash) +
 193                         L" [" + text + L"]").c_str());
 194                 delete[] text;
 195
 196                 try {   // This is used for catching disconnects
 197
 198                         guienv->clear();
 199
 200                         /*
 201                                 We need some kind of a root node to be able to add
 202                                 custom gui elements directly on the screen.
 203                                 Otherwise they won't be automatically drawn.
 204                         */
 205                         guiroot = guienv->addStaticText(L"", core::rect<s32>(0, 0, 10000, 10000));
 206
 207                         bool game_has_run = launch_game(error_message, reconnect_requested,
 208                                 game_params, cmd_args);
 209
 210                         // Reset the reconnect_requested flag
 211                         reconnect_requested = false;
 212
 213                         // If skip_main_menu, we only want to startup once
 214                         if (skip_main_menu && !first_loop)
 215                                 break;
 216
 217                         first_loop = false;
 218
 219                         if (!game_has_run) {
 220                                 if (skip_main_menu)
 221                                         break;
 222                                 else
 223                                         continue;
 224                         }
 225
 226                         // Break out of menu-game loop to shut down cleanly
 227                         if (!device->run() || *kill) {
 228                                 if (g_settings_path != "")
 229                                         g_settings->updateConfigFile(g_settings_path.c_str());
 230                                 break;
 231                         }
 232
 233                         if (current_playername.length() > PLAYERNAME_SIZE-1) {
 234                                 error_message = gettext("Player name too long.");
 235                                 playername = current_playername.substr(0, PLAYERNAME_SIZE-1);
 236                                 g_settings->set("name", playername);
 237                                 continue;
 238                         }
 239
 240                         device->getVideoDriver()->setTextureCreationFlag(
 241                                         video::ETCF_CREATE_MIP_MAPS, g_settings->getBool("mip_map"));
 242
 243 #ifdef HAVE_TOUCHSCREENGUI
 244                         receiver->m_touchscreengui = new TouchScreenGUI(device, receiver);
 245                         g_touchscreengui = receiver->m_touchscreengui;
 246 #endif
 247
 248                         the_game(
 249                                 kill,
 250                                 random_input,
 251                                 input,
 252                                 device,
 253                                 worldspec.path,
 254                                 current_playername,
 255                                 current_password,
 256                                 current_address,
 257                                 current_port,
 258                                 error_message,
 259                                 chat_backend,
 260                                 &reconnect_requested,
 261                                 gamespec,
 262                                 simple_singleplayer_mode
 263                         );
 264                         smgr->clear();
 265
 266 #ifdef HAVE_TOUCHSCREENGUI
 267                         delete g_touchscreengui;
 268                         g_touchscreengui = NULL;
 269                         receiver->m_touchscreengui = NULL;
 270 #endif
 271
 272                 } //try
 273                 catch (con::PeerNotFoundException &e) {
 274                         error_message = gettext("Connection error (timed out?)");
 275                         errorstream << error_message << std::endl;
 276                 }
 277
 278 #ifdef NDEBUG
 279                 catch (std::exception &e) {
 280                         std::string error_message = "Some exception: \"";
 281                         error_message += e.what();
 282                         error_message += "\"";
 283                         errorstream << error_message << std::endl;
 284                 }
 285 #endif
 286
 287                 // If no main menu, show error and exit
 288                 if (skip_main_menu) {
 289                         if (!error_message.empty()) {
 290                                 verbosestream << "error_message = "
 291                                               << error_message << std::endl;
 292                                 retval = false;
 293                         }
 294                         break;
 295                 }
 296         } // Menu-game loop
 297
 298         g_menuclouds->drop();
 299         g_menucloudsmgr->drop();
 300
 301         return retval;
 302 }
 303
 304 void ClientLauncher::init_args(GameParams &game_params, const Settings &cmd_args)
 305 {
 306
 307         skip_main_menu = cmd_args.getFlag("go");
 308
 309         // FIXME: This is confusing (but correct)
 310
 311         /* If world_path is set then override it unless skipping the main menu using
 312          * the --go command line param. Else, give preference to the address
 313          * supplied on the command line
 314          */
 315         address = g_settings->get("address");
 316         if (game_params.world_path != "" && !skip_main_menu)
 317                 address = "";
 318         else if (cmd_args.exists("address"))
 319                 address = cmd_args.get("address");
 320
 321         playername = g_settings->get("name");
 322         if (cmd_args.exists("name"))
 323                 playername = cmd_args.get("name");
 324
 325         list_video_modes = cmd_args.getFlag("videomodes");
 326
 327         use_freetype = g_settings->getBool("freetype");
 328
 329         random_input = g_settings->getBool("random_input")
 330                         || cmd_args.getFlag("random-input");
 331 }
 332
 333 bool ClientLauncher::init_engine()
 334 {
 335         receiver = new MyEventReceiver();
 336         create_engine_device();
 337         return device != NULL;
 338 }
 339
 340 bool ClientLauncher::launch_game(std::string &error_message,
 341                 bool reconnect_requested, GameParams &game_params,
 342                 const Settings &cmd_args)
 343 {
 344         // Initialize menu data
 345         MainMenuData menudata;
 346         menudata.address                         = address;
 347         menudata.name                            = playername;
 348         menudata.password                        = password;
 349         menudata.port                            = itos(game_params.socket_port);
 350         menudata.script_data.errormessage        = error_message;
 351         menudata.script_data.reconnect_requested = reconnect_requested;
 352
 353         error_message.clear();
 354
 355         if (cmd_args.exists("password"))
 356                 menudata.password = cmd_args.get("password");
 357
 358         menudata.enable_public = g_settings->getBool("server_announce");
 359
 360         // If a world was commanded, append and select it
 361         if (game_params.world_path != "") {
 362                 worldspec.gameid = getWorldGameId(game_params.world_path, true);
 363                 worldspec.name = _("[--world parameter]");
 364
 365                 if (worldspec.gameid == "") {   // Create new
 366                         worldspec.gameid = g_settings->get("default_game");
 367                         worldspec.name += " [new]";
 368                 }
 369                 worldspec.path = game_params.world_path;
 370         }
 371
 372         /* Show the GUI menu
 373          */
 374         if (!skip_main_menu) {
 375                 main_menu(&menudata);
 376
 377                 // Skip further loading if there was an exit signal.
 378                 if (*porting::signal_handler_killstatus())
 379                         return false;
 380
 381                 address = menudata.address;
 382                 int newport = stoi(menudata.port);
 383                 if (newport != 0)
 384                         game_params.socket_port = newport;
 385
 386                 simple_singleplayer_mode = menudata.simple_singleplayer_mode;
 387
 388                 std::vector<WorldSpec> worldspecs = getAvailableWorlds();
 389
 390                 if (menudata.selected_world >= 0
 391                                 && menudata.selected_world < (int)worldspecs.size()) {
 392                         g_settings->set("selected_world_path",
 393                                         worldspecs[menudata.selected_world].path);
 394                         worldspec = worldspecs[menudata.selected_world];
 395                 }
 396         }
 397
 398         if (!menudata.script_data.errormessage.empty()) {
 399                 /* The calling function will pass this back into this function upon the
 400                  * next iteration (if any) causing it to be displayed by the GUI
 401                  */
 402                 error_message = menudata.script_data.errormessage;
 403                 return false;
 404         }
 405
 406         if (menudata.name == "" && !simple_singleplayer_mode) {
 407                 error_message = gettext("Please choose a name!");
 408                 return false;
 409         }
 410
 411         playername = menudata.name;
 412         password = menudata.password;
 413
 414         current_playername = playername;
 415         current_password   = password;
 416         current_address    = address;
 417         current_port       = game_params.socket_port;
 418
 419         // If using simple singleplayer mode, override
 420         if (simple_singleplayer_mode) {
 421                 assert(skip_main_menu == false);
 422                 current_playername = "singleplayer";
 423                 current_password = "";
 424                 current_address = "";
 425                 current_port = myrand_range(49152, 65535);
 426         } else {
 427                 g_settings->set("name", playername);
 428                 if (address != "") {
 429                         ServerListSpec server;
 430                         server["name"] = menudata.servername;
 431                         server["address"] = menudata.address;
 432                         server["port"] = menudata.port;
 433                         server["description"] = menudata.serverdescription;
 434                         ServerList::insert(server);
 435                 }
 436         }
 437
 438         infostream << "Selected world: " << worldspec.name
 439                    << " [" << worldspec.path << "]" << std::endl;
 440
 441         if (current_address == "") { // If local game
 442                 if (worldspec.path == "") {
 443                         error_message = gettext("No world selected and no address "
 444                                         "provided. Nothing to do.");
 445                         errorstream << error_message << std::endl;
 446                         return false;
 447                 }
 448
 449                 if (!fs::PathExists(worldspec.path)) {
 450                         error_message = gettext("Provided world path doesn't exist: ")
 451                                         + worldspec.path;
 452                         errorstream << error_message << std::endl;
 453                         return false;
 454                 }
 455
 456                 // Load gamespec for required game
 457                 gamespec = findWorldSubgame(worldspec.path);
 458                 if (!gamespec.isValid() && !game_params.game_spec.isValid()) {
 459                         error_message = gettext("Could not find or load game \"")
 460                                         + worldspec.gameid + "\"";
 461                         errorstream << error_message << std::endl;
 462                         return false;
 463                 }
 464
 465                 if (porting::signal_handler_killstatus())
 466                         return true;
 467
 468                 if (game_params.game_spec.isValid() &&
 469                                 game_params.game_spec.id != worldspec.gameid) {
 470                         warningstream << "Overriding gamespec from \""
 471                                     << worldspec.gameid << "\" to \""
 472                                     << game_params.game_spec.id << "\"" << std::endl;
 473                         gamespec = game_params.game_spec;
 474                 }
 475
 476                 if (!gamespec.isValid()) {
 477                         error_message = gettext("Invalid gamespec.");
 478                         error_message += " (world.gameid=" + worldspec.gameid + ")";
 479                         errorstream << error_message << std::endl;
 480                         return false;
 481                 }
 482         }
 483
 484         return true;
 485 }
 486
 487 void ClientLauncher::main_menu(MainMenuData *menudata)
 488 {
 489         bool *kill = porting::signal_handler_killstatus();
 490         video::IVideoDriver *driver = device->getVideoDriver();
 491
 492         infostream << "Waiting for other menus" << std::endl;
 493         while (device->run() && *kill == false) {
 494                 if (noMenuActive())
 495                         break;
 496                 driver->beginScene(true, true, video::SColor(255, 128, 128, 128));
 497                 guienv->drawAll();
 498                 driver->endScene();
 499                 // On some computers framerate doesn't seem to be automatically limited
 500                 sleep_ms(25);
 501         }
 502         infostream << "Waited for other menus" << std::endl;
 503
 504         // Cursor can be non-visible when coming from the game
 505 #ifndef ANDROID
 506         device->getCursorControl()->setVisible(true);
 507 #endif
 508
 509         /* show main menu */
 510         GUIEngine mymenu(device, &input->joystick, guiroot,
 511                 &g_menumgr, smgr, menudata, *kill);
 512
 513         smgr->clear();  /* leave scene manager in a clean state */
 514 }
 515
 516 bool ClientLauncher::create_engine_device()
 517 {
 518         // Resolution selection
 519         bool fullscreen = g_settings->getBool("fullscreen");
 520         u16 screenW = g_settings->getU16("screenW");
 521         u16 screenH = g_settings->getU16("screenH");
 522
 523         // bpp, fsaa, vsync
 524         bool vsync = g_settings->getBool("vsync");
 525         u16 bits = g_settings->getU16("fullscreen_bpp");
 526         u16 fsaa = g_settings->getU16("fsaa");
 527
 528         // stereo buffer required for pageflip stereo
 529         bool stereo_buffer = g_settings->get("3d_mode") == "pageflip";
 530
 531         // Determine driver
 532         video::E_DRIVER_TYPE driverType = video::EDT_OPENGL;
 533         const std::string &driverstring = g_settings->get("video_driver");
 534         std::vector<video::E_DRIVER_TYPE> drivers
 535                 = porting::getSupportedVideoDrivers();
 536         u32 i;
 537         for (i = 0; i != drivers.size(); i++) {
 538                 if (!strcasecmp(driverstring.c_str(),
 539                         porting::getVideoDriverName(drivers[i]))) {
 540                         driverType = drivers[i];
 541                         break;
 542                 }
 543         }
 544         if (i == drivers.size()) {
 545                 errorstream << "Invalid video_driver specified; "
 546                         "defaulting to opengl" << std::endl;
 547         }
 548
 549         SIrrlichtCreationParameters params = SIrrlichtCreationParameters();
 550         params.DriverType    = driverType;
 551         params.WindowSize    = core::dimension2d<u32>(screenW, screenH);
 552         params.Bits          = bits;
 553         params.AntiAlias     = fsaa;
 554         params.Fullscreen    = fullscreen;
 555         params.Stencilbuffer = false;
 556         params.Stereobuffer  = stereo_buffer;
 557         params.Vsync         = vsync;
 558         params.EventReceiver = receiver;
 559         params.HighPrecisionFPU = g_settings->getBool("high_precision_fpu");
 560         params.ZBufferBits   = 24;
 561 #ifdef __ANDROID__
 562         params.PrivateData = porting::app_global;
 563         params.OGLES2ShaderPath = std::string(porting::path_user + DIR_DELIM +
 564                         "media" + DIR_DELIM + "Shaders" + DIR_DELIM).c_str();
 565 #endif
 566
 567         device = createDeviceEx(params);
 568
 569         if (device) {
 570                 if (g_settings->getBool("enable_joysticks")) {
 571                         irr::core::array<irr::SJoystickInfo> infos;
 572                         std::vector<irr::SJoystickInfo> joystick_infos;
 573                         // Make sure this is called maximum once per
 574                         // irrlicht device, otherwise it will give you
 575                         // multiple events for the same joystick.
 576                         if (device->activateJoysticks(infos)) {
 577                                 infostream << "Joystick support enabled" << std::endl;
 578                                 joystick_infos.reserve(infos.size());
 579                                 for (u32 i = 0; i < infos.size(); i++) {
 580                                         joystick_infos.push_back(infos[i]);
 581                                 }
 582                         } else {
 583                                 errorstream << "Could not activate joystick support." << std::endl;
 584                         }
 585                 }
 586                 porting::initIrrlicht(device);
 587         }
 588
 589         return device != NULL;
 590 }
 591
 592 void ClientLauncher::speed_tests()
 593 {
 594         // volatile to avoid some potential compiler optimisations
 595         volatile static s16 temp16;
 596         volatile static f32 tempf;
 597         static v3f tempv3f1;
 598         static v3f tempv3f2;
 599         static std::string tempstring;
 600         static std::string tempstring2;
 601
 602         tempv3f1 = v3f();
 603         tempv3f2 = v3f();
 604         tempstring = std::string();
 605         tempstring2 = std::string();
 606
 607         {
 608                 infostream << "The following test should take around 20ms." << std::endl;
 609                 TimeTaker timer("Testing std::string speed");
 610                 const u32 jj = 10000;
 611                 for (u32 j = 0; j < jj; j++) {
 612                         tempstring = "";
 613                         tempstring2 = "";
 614                         const u32 ii = 10;
 615                         for (u32 i = 0; i < ii; i++) {
 616                                 tempstring2 += "asd";
 617                         }
 618                         for (u32 i = 0; i < ii+1; i++) {
 619                                 tempstring += "asd";
 620                                 if (tempstring == tempstring2)
 621                                         break;
 622                         }
 623                 }
 624         }
 625
 626         infostream << "All of the following tests should take around 100ms each."
 627                    << std::endl;
 628
 629         {
 630                 TimeTaker timer("Testing floating-point conversion speed");
 631                 tempf = 0.001;
 632                 for (u32 i = 0; i < 4000000; i++) {
 633                         temp16 += tempf;
 634                         tempf += 0.001;
 635                 }
 636         }
 637
 638         {
 639                 TimeTaker timer("Testing floating-point vector speed");
 640
 641                 tempv3f1 = v3f(1, 2, 3);
 642                 tempv3f2 = v3f(4, 5, 6);
 643                 for (u32 i = 0; i < 10000000; i++) {
 644                         tempf += tempv3f1.dotProduct(tempv3f2);
 645                         tempv3f2 += v3f(7, 8, 9);
 646                 }
 647         }
 648
 649         {
 650                 TimeTaker timer("Testing std::map speed");
 651
 652                 std::map<v2s16, f32> map1;
 653                 tempf = -324;
 654                 const s16 ii = 300;
 655                 for (s16 y = 0; y < ii; y++) {
 656                         for (s16 x = 0; x < ii; x++) {
 657                                 map1[v2s16(x, y)] =  tempf;
 658                                 tempf += 1;
 659                         }
 660                 }
 661                 for (s16 y = ii - 1; y >= 0; y--) {
 662                         for (s16 x = 0; x < ii; x++) {
 663                                 tempf = map1[v2s16(x, y)];
 664                         }
 665                 }
 666         }
 667
 668         {
 669                 infostream << "Around 5000/ms should do well here." << std::endl;
 670                 TimeTaker timer("Testing mutex speed");
 671
 672                 Mutex m;
 673                 u32 n = 0;
 674                 u32 i = 0;
 675                 do {
 676                         n += 10000;
 677                         for (; i < n; i++) {
 678                                 m.lock();
 679                                 m.unlock();
 680                         }
 681                 }
 682                 // Do at least 10ms
 683                 while(timer.getTimerTime() < 10);
 684
 685                 u32 dtime = timer.stop();
 686                 u32 per_ms = n / dtime;
 687                 infostream << "Done. " << dtime << "ms, " << per_ms << "/ms" << std::endl;
 688         }
 689 }
 690
 691 bool ClientLauncher::print_video_modes()
 692 {
 693         IrrlichtDevice *nulldevice;
 694
 695         bool vsync = g_settings->getBool("vsync");
 696         u16 fsaa = g_settings->getU16("fsaa");
 697         MyEventReceiver* receiver = new MyEventReceiver();
 698
 699         SIrrlichtCreationParameters params = SIrrlichtCreationParameters();
 700         params.DriverType    = video::EDT_NULL;
 701         params.WindowSize    = core::dimension2d<u32>(640, 480);
 702         params.Bits          = 24;
 703         params.AntiAlias     = fsaa;
 704         params.Fullscreen    = false;
 705         params.Stencilbuffer = false;
 706         params.Vsync         = vsync;
 707         params.EventReceiver = receiver;
 708         params.HighPrecisionFPU = g_settings->getBool("high_precision_fpu");
 709
 710         nulldevice = createDeviceEx(params);
 711
 712         if (nulldevice == NULL) {
 713                 delete receiver;
 714                 return false;
 715         }
 716
 717         std::cout << _("Available video modes (WxHxD):") << std::endl;
 718
 719         video::IVideoModeList *videomode_list = nulldevice->getVideoModeList();
 720
 721         if (videomode_list != NULL) {
 722                 s32 videomode_count = videomode_list->getVideoModeCount();
 723                 core::dimension2d<u32> videomode_res;
 724                 s32 videomode_depth;
 725                 for (s32 i = 0; i < videomode_count; ++i) {
 726                         videomode_res = videomode_list->getVideoModeResolution(i);
 727                         videomode_depth = videomode_list->getVideoModeDepth(i);
 728                         std::cout << videomode_res.Width << "x" << videomode_res.Height
 729                                 << "x" << videomode_depth << std::endl;
 730                 }
 731
 732                 std::cout << _("Active video mode (WxHxD):") << std::endl;
 733                 videomode_res = videomode_list->getDesktopResolution();
 734                 videomode_depth = videomode_list->getDesktopDepth();
 735                 std::cout << videomode_res.Width << "x" << videomode_res.Height
 736                         << "x" << videomode_depth << std::endl;
 737
 738         }
 739
 740         nulldevice->drop();
 741         delete receiver;
 742
 743         return videomode_list != NULL;
 744 }