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                 porting::path_share + "/misc/minetest-xorg-icon-128.png");
 119
 120         /*
 121                 This changes the minimum allowed number of vertices in a VBO.
 122                 Default is 500.
 123         */
 124         //driver->setMinHardwareBufferVertexCount(50);
 125
 126         // Create game callback for menus
 127         g_gamecallback = new MainGameCallback(device);
 128
 129         device->setResizable(true);
 130
 131         if (random_input)
 132                 input = new RandomInputHandler();
 133         else
 134                 input = new RealInputHandler(device, receiver);
 135
 136         smgr = device->getSceneManager();
 137         smgr->getParameters()->setAttribute(scene::ALLOW_ZWRITE_ON_TRANSPARENT, true);
 138
 139         guienv = device->getGUIEnvironment();
 140         skin = guienv->getSkin();
 141         skin->setColor(gui::EGDC_BUTTON_TEXT, video::SColor(255, 255, 255, 255));
 142         skin->setColor(gui::EGDC_3D_LIGHT, video::SColor(0, 0, 0, 0));
 143         skin->setColor(gui::EGDC_3D_HIGH_LIGHT, video::SColor(255, 30, 30, 30));
 144         skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(255, 0, 0, 0));
 145         skin->setColor(gui::EGDC_HIGH_LIGHT, video::SColor(255, 70, 120, 50));
 146         skin->setColor(gui::EGDC_HIGH_LIGHT_TEXT, video::SColor(255, 255, 255, 255));
 147
 148         g_fontengine = new FontEngine(g_settings, guienv);
 149         FATAL_ERROR_IF(g_fontengine == NULL, "Font engine creation failed.");
 150
 151 #if (IRRLICHT_VERSION_MAJOR >= 1 && IRRLICHT_VERSION_MINOR >= 8) || IRRLICHT_VERSION_MAJOR >= 2
 152         // Irrlicht 1.8 input colours
 153         skin->setColor(gui::EGDC_EDITABLE, video::SColor(255, 128, 128, 128));
 154         skin->setColor(gui::EGDC_FOCUSED_EDITABLE, video::SColor(255, 96, 134, 49));
 155 #endif
 156
 157         // Create the menu clouds
 158         if (!g_menucloudsmgr)
 159                 g_menucloudsmgr = smgr->createNewSceneManager();
 160         if (!g_menuclouds)
 161                 g_menuclouds = new Clouds(g_menucloudsmgr->getRootSceneNode(),
 162                                 g_menucloudsmgr, -1, rand(), 100);
 163         g_menuclouds->update(v2f(0, 0), video::SColor(255, 200, 200, 255));
 164         scene::ICameraSceneNode* camera;
 165         camera = g_menucloudsmgr->addCameraSceneNode(0,
 166                                 v3f(0, 0, 0), v3f(0, 60, 100));
 167         camera->setFarValue(10000);
 168
 169         /*
 170                 GUI stuff
 171         */
 172
 173         ChatBackend chat_backend;
 174
 175         // If an error occurs, this is set to something by menu().
 176         // It is then displayed before the menu shows on the next call to menu()
 177         std::string error_message;
 178         bool reconnect_requested = false;
 179
 180         bool first_loop = true;
 181
 182         /*
 183                 Menu-game loop
 184         */
 185         bool retval = true;
 186         bool *kill = porting::signal_handler_killstatus();
 187
 188         while (device->run() && !*kill && !g_gamecallback->shutdown_requested)
 189         {
 190                 // Set the window caption
 191                 const wchar_t *text = wgettext("Main Menu");
 192                 device->setWindowCaption((utf8_to_wide(PROJECT_NAME_C) +
 193                         L" " + utf8_to_wide(g_version_hash) +
 194                         L" [" + text + L"]").c_str());
 195                 delete[] text;
 196
 197                 try {   // This is used for catching disconnects
 198
 199                         guienv->clear();
 200
 201                         /*
 202                                 We need some kind of a root node to be able to add
 203                                 custom gui elements directly on the screen.
 204                                 Otherwise they won't be automatically drawn.
 205                         */
 206                         guiroot = guienv->addStaticText(L"", core::rect<s32>(0, 0, 10000, 10000));
 207
 208                         bool game_has_run = launch_game(error_message, reconnect_requested,
 209                                 game_params, cmd_args);
 210
 211                         // Reset the reconnect_requested flag
 212                         reconnect_requested = false;
 213
 214                         // If skip_main_menu, we only want to startup once
 215                         if (skip_main_menu && !first_loop)
 216                                 break;
 217
 218                         first_loop = false;
 219
 220                         if (!game_has_run) {
 221                                 if (skip_main_menu)
 222                                         break;
 223                                 else
 224                                         continue;
 225                         }
 226
 227                         // Break out of menu-game loop to shut down cleanly
 228                         if (!device->run() || *kill) {
 229                                 if (g_settings_path != "")
 230                                         g_settings->updateConfigFile(g_settings_path.c_str());
 231                                 break;
 232                         }
 233
 234                         if (current_playername.length() > PLAYERNAME_SIZE-1) {
 235                                 error_message = gettext("Player name too long.");
 236                                 playername = current_playername.substr(0, PLAYERNAME_SIZE-1);
 237                                 g_settings->set("name", playername);
 238                                 continue;
 239                         }
 240
 241                         device->getVideoDriver()->setTextureCreationFlag(
 242                                         video::ETCF_CREATE_MIP_MAPS, g_settings->getBool("mip_map"));
 243
 244 #ifdef HAVE_TOUCHSCREENGUI
 245                         receiver->m_touchscreengui = new TouchScreenGUI(device, receiver);
 246                         g_touchscreengui = receiver->m_touchscreengui;
 247 #endif
 248
 249                         the_game(
 250                                 kill,
 251                                 random_input,
 252                                 input,
 253                                 device,
 254                                 worldspec.path,
 255                                 current_playername,
 256                                 current_password,
 257                                 current_address,
 258                                 current_port,
 259                                 error_message,
 260                                 chat_backend,
 261                                 &reconnect_requested,
 262                                 gamespec,
 263                                 simple_singleplayer_mode
 264                         );
 265                         smgr->clear();
 266
 267 #ifdef HAVE_TOUCHSCREENGUI
 268                         delete g_touchscreengui;
 269                         g_touchscreengui = NULL;
 270                         receiver->m_touchscreengui = NULL;
 271 #endif
 272
 273                 } //try
 274                 catch (con::PeerNotFoundException &e) {
 275                         error_message = gettext("Connection error (timed out?)");
 276                         errorstream << error_message << std::endl;
 277                 }
 278
 279 #ifdef NDEBUG
 280                 catch (std::exception &e) {
 281                         std::string error_message = "Some exception: \"";
 282                         error_message += e.what();
 283                         error_message += "\"";
 284                         errorstream << error_message << std::endl;
 285                 }
 286 #endif
 287
 288                 // If no main menu, show error and exit
 289                 if (skip_main_menu) {
 290                         if (!error_message.empty()) {
 291                                 verbosestream << "error_message = "
 292                                               << error_message << std::endl;
 293                                 retval = false;
 294                         }
 295                         break;
 296                 }
 297         } // Menu-game loop
 298
 299         g_menuclouds->drop();
 300         g_menucloudsmgr->drop();
 301
 302         return retval;
 303 }
 304
 305 void ClientLauncher::init_args(GameParams &game_params, const Settings &cmd_args)
 306 {
 307
 308         skip_main_menu = cmd_args.getFlag("go");
 309
 310         // FIXME: This is confusing (but correct)
 311
 312         /* If world_path is set then override it unless skipping the main menu using
 313          * the --go command line param. Else, give preference to the address
 314          * supplied on the command line
 315          */
 316         address = g_settings->get("address");
 317         if (game_params.world_path != "" && !skip_main_menu)
 318                 address = "";
 319         else if (cmd_args.exists("address"))
 320                 address = cmd_args.get("address");
 321
 322         playername = g_settings->get("name");
 323         if (cmd_args.exists("name"))
 324                 playername = cmd_args.get("name");
 325
 326         list_video_modes = cmd_args.getFlag("videomodes");
 327
 328         use_freetype = g_settings->getBool("freetype");
 329
 330         random_input = g_settings->getBool("random_input")
 331                         || cmd_args.getFlag("random-input");
 332 }
 333
 334 bool ClientLauncher::init_engine()
 335 {
 336         receiver = new MyEventReceiver();
 337         create_engine_device();
 338         return device != NULL;
 339 }
 340
 341 bool ClientLauncher::launch_game(std::string &error_message,
 342                 bool reconnect_requested, GameParams &game_params,
 343                 const Settings &cmd_args)
 344 {
 345         // Initialize menu data
 346         MainMenuData menudata;
 347         menudata.address                         = address;
 348         menudata.name                            = playername;
 349         menudata.password                        = password;
 350         menudata.port                            = itos(game_params.socket_port);
 351         menudata.script_data.errormessage        = error_message;
 352         menudata.script_data.reconnect_requested = reconnect_requested;
 353
 354         error_message.clear();
 355
 356         if (cmd_args.exists("password"))
 357                 menudata.password = cmd_args.get("password");
 358
 359         menudata.enable_public = g_settings->getBool("server_announce");
 360
 361         // If a world was commanded, append and select it
 362         if (game_params.world_path != "") {
 363                 worldspec.gameid = getWorldGameId(game_params.world_path, true);
 364                 worldspec.name = _("[--world parameter]");
 365
 366                 if (worldspec.gameid == "") {   // Create new
 367                         worldspec.gameid = g_settings->get("default_game");
 368                         worldspec.name += " [new]";
 369                 }
 370                 worldspec.path = game_params.world_path;
 371         }
 372
 373         /* Show the GUI menu
 374          */
 375         if (!skip_main_menu) {
 376                 main_menu(&menudata);
 377
 378                 // Skip further loading if there was an exit signal.
 379                 if (*porting::signal_handler_killstatus())
 380                         return false;
 381
 382                 address = menudata.address;
 383                 int newport = stoi(menudata.port);
 384                 if (newport != 0)
 385                         game_params.socket_port = newport;
 386
 387                 simple_singleplayer_mode = menudata.simple_singleplayer_mode;
 388
 389                 std::vector<WorldSpec> worldspecs = getAvailableWorlds();
 390
 391                 if (menudata.selected_world >= 0
 392                                 && menudata.selected_world < (int)worldspecs.size()) {
 393                         g_settings->set("selected_world_path",
 394                                         worldspecs[menudata.selected_world].path);
 395                         worldspec = worldspecs[menudata.selected_world];
 396                 }
 397         }
 398
 399         if (!menudata.script_data.errormessage.empty()) {
 400                 /* The calling function will pass this back into this function upon the
 401                  * next iteration (if any) causing it to be displayed by the GUI
 402                  */
 403                 error_message = menudata.script_data.errormessage;
 404                 return false;
 405         }
 406
 407         if (menudata.name == "")
 408                 menudata.name = std::string("Guest") + itos(myrand_range(1000, 9999));
 409         else
 410                 playername = menudata.name;
 411
 412         password = menudata.password;
 413
 414         g_settings->set("name", playername);
 415
 416         current_playername = playername;
 417         current_password   = password;
 418         current_address    = address;
 419         current_port       = game_params.socket_port;
 420
 421         // If using simple singleplayer mode, override
 422         if (simple_singleplayer_mode) {
 423                 assert(skip_main_menu == false);
 424                 current_playername = "singleplayer";
 425                 current_password = "";
 426                 current_address = "";
 427                 current_port = myrand_range(49152, 65535);
 428         } else 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         infostream << "Selected world: " << worldspec.name
 438                    << " [" << worldspec.path << "]" << std::endl;
 439
 440         if (current_address == "") { // If local game
 441                 if (worldspec.path == "") {
 442                         error_message = gettext("No world selected and no address "
 443                                         "provided. Nothing to do.");
 444                         errorstream << error_message << std::endl;
 445                         return false;
 446                 }
 447
 448                 if (!fs::PathExists(worldspec.path)) {
 449                         error_message = gettext("Provided world path doesn't exist: ")
 450                                         + worldspec.path;
 451                         errorstream << error_message << std::endl;
 452                         return false;
 453                 }
 454
 455                 // Load gamespec for required game
 456                 gamespec = findWorldSubgame(worldspec.path);
 457                 if (!gamespec.isValid() && !game_params.game_spec.isValid()) {
 458                         error_message = gettext("Could not find or load game \"")
 459                                         + worldspec.gameid + "\"";
 460                         errorstream << error_message << std::endl;
 461                         return false;
 462                 }
 463
 464                 if (porting::signal_handler_killstatus())
 465                         return true;
 466
 467                 if (game_params.game_spec.isValid() &&
 468                                 game_params.game_spec.id != worldspec.gameid) {
 469                         warningstream << "Overriding gamespec from \""
 470                                     << worldspec.gameid << "\" to \""
 471                                     << game_params.game_spec.id << "\"" << std::endl;
 472                         gamespec = game_params.game_spec;
 473                 }
 474
 475                 if (!gamespec.isValid()) {
 476                         error_message = gettext("Invalid gamespec.");
 477                         error_message += " (world.gameid=" + worldspec.gameid + ")";
 478                         errorstream << error_message << std::endl;
 479                         return false;
 480                 }
 481         }
 482
 483         return true;
 484 }
 485
 486 void ClientLauncher::main_menu(MainMenuData *menudata)
 487 {
 488         bool *kill = porting::signal_handler_killstatus();
 489         video::IVideoDriver *driver = device->getVideoDriver();
 490
 491         infostream << "Waiting for other menus" << std::endl;
 492         while (device->run() && *kill == false) {
 493                 if (noMenuActive())
 494                         break;
 495                 driver->beginScene(true, true, video::SColor(255, 128, 128, 128));
 496                 guienv->drawAll();
 497                 driver->endScene();
 498                 // On some computers framerate doesn't seem to be automatically limited
 499                 sleep_ms(25);
 500         }
 501         infostream << "Waited for other menus" << std::endl;
 502
 503         // Cursor can be non-visible when coming from the game
 504 #ifndef ANDROID
 505         device->getCursorControl()->setVisible(true);
 506 #endif
 507
 508         /* show main menu */
 509         GUIEngine mymenu(device, &input->joystick, guiroot,
 510                 &g_menumgr, smgr, menudata, *kill);
 511
 512         smgr->clear();  /* leave scene manager in a clean state */
 513 }
 514
 515 bool ClientLauncher::create_engine_device()
 516 {
 517         // Resolution selection
 518         bool fullscreen = g_settings->getBool("fullscreen");
 519         u16 screenW = g_settings->getU16("screenW");
 520         u16 screenH = g_settings->getU16("screenH");
 521
 522         // bpp, fsaa, vsync
 523         bool vsync = g_settings->getBool("vsync");
 524         u16 bits = g_settings->getU16("fullscreen_bpp");
 525         u16 fsaa = g_settings->getU16("fsaa");
 526
 527         // stereo buffer required for pageflip stereo
 528         bool stereo_buffer = g_settings->get("3d_mode") == "pageflip";
 529
 530         // Determine driver
 531         video::E_DRIVER_TYPE driverType = video::EDT_OPENGL;
 532         std::string driverstring = g_settings->get("video_driver");
 533         std::vector<video::E_DRIVER_TYPE> drivers
 534                 = porting::getSupportedVideoDrivers();
 535         u32 i;
 536         for (i = 0; i != drivers.size(); i++) {
 537                 if (!strcasecmp(driverstring.c_str(),
 538                         porting::getVideoDriverName(drivers[i]))) {
 539                         driverType = drivers[i];
 540                         break;
 541                 }
 542         }
 543         if (i == drivers.size()) {
 544                 errorstream << "Invalid video_driver specified; "
 545                         "defaulting to opengl" << std::endl;
 546         }
 547
 548         SIrrlichtCreationParameters params = SIrrlichtCreationParameters();
 549         params.DriverType    = driverType;
 550         params.WindowSize    = core::dimension2d<u32>(screenW, screenH);
 551         params.Bits          = bits;
 552         params.AntiAlias     = fsaa;
 553         params.Fullscreen    = fullscreen;
 554         params.Stencilbuffer = false;
 555         params.Stereobuffer  = stereo_buffer;
 556         params.Vsync         = vsync;
 557         params.EventReceiver = receiver;
 558         params.HighPrecisionFPU = g_settings->getBool("high_precision_fpu");
 559         params.ZBufferBits   = 24;
 560 #ifdef __ANDROID__
 561         params.PrivateData = porting::app_global;
 562         params.OGLES2ShaderPath = std::string(porting::path_user + DIR_DELIM +
 563                         "media" + DIR_DELIM + "Shaders" + DIR_DELIM).c_str();
 564 #endif
 565
 566         device = createDeviceEx(params);
 567
 568         if (device) {
 569                 if (g_settings->getBool("enable_joysticks")) {
 570                         irr::core::array<irr::SJoystickInfo> infos;
 571                         std::vector<irr::SJoystickInfo> joystick_infos;
 572                         // Make sure this is called maximum once per
 573                         // irrlicht device, otherwise it will give you
 574                         // multiple events for the same joystick.
 575                         if (device->activateJoysticks(infos)) {
 576                                 infostream << "Joystick support enabled" << std::endl;
 577                                 joystick_infos.reserve(infos.size());
 578                                 for (u32 i = 0; i < infos.size(); i++) {
 579                                         joystick_infos.push_back(infos[i]);
 580                                 }
 581                         } else {
 582                                 errorstream << "Could not activate joystick support." << std::endl;
 583                         }
 584                 }
 585                 porting::initIrrlicht(device);
 586         }
 587
 588         return device != NULL;
 589 }
 590
 591 void ClientLauncher::speed_tests()
 592 {
 593         // volatile to avoid some potential compiler optimisations
 594         volatile static s16 temp16;
 595         volatile static f32 tempf;
 596         static v3f tempv3f1;
 597         static v3f tempv3f2;
 598         static std::string tempstring;
 599         static std::string tempstring2;
 600
 601         tempv3f1 = v3f();
 602         tempv3f2 = v3f();
 603         tempstring = std::string();
 604         tempstring2 = std::string();
 605
 606         {
 607                 infostream << "The following test should take around 20ms." << std::endl;
 608                 TimeTaker timer("Testing std::string speed");
 609                 const u32 jj = 10000;
 610                 for (u32 j = 0; j < jj; j++) {
 611                         tempstring = "";
 612                         tempstring2 = "";
 613                         const u32 ii = 10;
 614                         for (u32 i = 0; i < ii; i++) {
 615                                 tempstring2 += "asd";
 616                         }
 617                         for (u32 i = 0; i < ii+1; i++) {
 618                                 tempstring += "asd";
 619                                 if (tempstring == tempstring2)
 620                                         break;
 621                         }
 622                 }
 623         }
 624
 625         infostream << "All of the following tests should take around 100ms each."
 626                    << std::endl;
 627
 628         {
 629                 TimeTaker timer("Testing floating-point conversion speed");
 630                 tempf = 0.001;
 631                 for (u32 i = 0; i < 4000000; i++) {
 632                         temp16 += tempf;
 633                         tempf += 0.001;
 634                 }
 635         }
 636
 637         {
 638                 TimeTaker timer("Testing floating-point vector speed");
 639
 640                 tempv3f1 = v3f(1, 2, 3);
 641                 tempv3f2 = v3f(4, 5, 6);
 642                 for (u32 i = 0; i < 10000000; i++) {
 643                         tempf += tempv3f1.dotProduct(tempv3f2);
 644                         tempv3f2 += v3f(7, 8, 9);
 645                 }
 646         }
 647
 648         {
 649                 TimeTaker timer("Testing std::map speed");
 650
 651                 std::map<v2s16, f32> map1;
 652                 tempf = -324;
 653                 const s16 ii = 300;
 654                 for (s16 y = 0; y < ii; y++) {
 655                         for (s16 x = 0; x < ii; x++) {
 656                                 map1[v2s16(x, y)] =  tempf;
 657                                 tempf += 1;
 658                         }
 659                 }
 660                 for (s16 y = ii - 1; y >= 0; y--) {
 661                         for (s16 x = 0; x < ii; x++) {
 662                                 tempf = map1[v2s16(x, y)];
 663                         }
 664                 }
 665         }
 666
 667         {
 668                 infostream << "Around 5000/ms should do well here." << std::endl;
 669                 TimeTaker timer("Testing mutex speed");
 670
 671                 Mutex m;
 672                 u32 n = 0;
 673                 u32 i = 0;
 674                 do {
 675                         n += 10000;
 676                         for (; i < n; i++) {
 677                                 m.lock();
 678                                 m.unlock();
 679                         }
 680                 }
 681                 // Do at least 10ms
 682                 while(timer.getTimerTime() < 10);
 683
 684                 u32 dtime = timer.stop();
 685                 u32 per_ms = n / dtime;
 686                 infostream << "Done. " << dtime << "ms, " << per_ms << "/ms" << std::endl;
 687         }
 688 }
 689
 690 bool ClientLauncher::print_video_modes()
 691 {
 692         IrrlichtDevice *nulldevice;
 693
 694         bool vsync = g_settings->getBool("vsync");
 695         u16 fsaa = g_settings->getU16("fsaa");
 696         MyEventReceiver* receiver = new MyEventReceiver();
 697
 698         SIrrlichtCreationParameters params = SIrrlichtCreationParameters();
 699         params.DriverType    = video::EDT_NULL;
 700         params.WindowSize    = core::dimension2d<u32>(640, 480);
 701         params.Bits          = 24;
 702         params.AntiAlias     = fsaa;
 703         params.Fullscreen    = false;
 704         params.Stencilbuffer = false;
 705         params.Vsync         = vsync;
 706         params.EventReceiver = receiver;
 707         params.HighPrecisionFPU = g_settings->getBool("high_precision_fpu");
 708
 709         nulldevice = createDeviceEx(params);
 710
 711         if (nulldevice == NULL) {
 712                 delete receiver;
 713                 return false;
 714         }
 715
 716         std::cout << _("Available video modes (WxHxD):") << std::endl;
 717
 718         video::IVideoModeList *videomode_list = nulldevice->getVideoModeList();
 719
 720         if (videomode_list != NULL) {
 721                 s32 videomode_count = videomode_list->getVideoModeCount();
 722                 core::dimension2d<u32> videomode_res;
 723                 s32 videomode_depth;
 724                 for (s32 i = 0; i < videomode_count; ++i) {
 725                         videomode_res = videomode_list->getVideoModeResolution(i);
 726                         videomode_depth = videomode_list->getVideoModeDepth(i);
 727                         std::cout << videomode_res.Width << "x" << videomode_res.Height
 728                                 << "x" << videomode_depth << std::endl;
 729                 }
 730
 731                 std::cout << _("Active video mode (WxHxD):") << std::endl;
 732                 videomode_res = videomode_list->getDesktopResolution();
 733                 videomode_depth = videomode_list->getDesktopDepth();
 734                 std::cout << videomode_res.Width << "x" << videomode_res.Height
 735                         << "x" << videomode_depth << std::endl;
 736
 737         }
 738
 739         nulldevice->drop();
 740         delete receiver;
 741
 742         return videomode_list != NULL;
 743 }