src/main.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 #ifdef NDEBUG
  21         /*#ifdef _WIN32
  22                 #pragma message ("Disabling unit tests")
  23         #else
  24                 #warning "Disabling unit tests"
  25         #endif*/
  26         // Disable unit tests
  27         #define ENABLE_TESTS 0
  28 #else
  29         // Enable unit tests
  30         #define ENABLE_TESTS 1
  31 #endif
  32
  33 #ifdef _MSC_VER
  34 #ifndef SERVER // Dedicated server isn't linked with Irrlicht
  35         #pragma comment(lib, "Irrlicht.lib")
  36         // This would get rid of the console window
  37         //#pragma comment(linker, "/subsystem:windows /ENTRY:mainCRTStartup")
  38 #endif
  39         #pragma comment(lib, "zlibwapi.lib")
  40         #pragma comment(lib, "Shell32.lib")
  41 #endif
  42
  43 #include "irrlicht.h" // createDevice
  44
  45 #include "main.h"
  46 #include "mainmenumanager.h"
  47 #include <iostream>
  48 #include <fstream>
  49 #include <locale.h>
  50 #include "irrlichttypes_extrabloated.h"
  51 #include "debug.h"
  52 #include "test.h"
  53 #include "clouds.h"
  54 #include "server.h"
  55 #include "constants.h"
  56 #include "porting.h"
  57 #include "gettime.h"
  58 #include "guiMessageMenu.h"
  59 #include "filesys.h"
  60 #include "config.h"
  61 #include "guiMainMenu.h"
  62 #include "game.h"
  63 #include "keycode.h"
  64 #include "tile.h"
  65 #include "chat.h"
  66 #include "defaultsettings.h"
  67 #include "gettext.h"
  68 #include "settings.h"
  69 #include "profiler.h"
  70 #include "log.h"
  71 #include "mods.h"
  72 #if USE_FREETYPE
  73 #include "xCGUITTFont.h"
  74 #endif
  75 #include "util/string.h"
  76 #include "subgame.h"
  77 #include "quicktune.h"
  78 #include "serverlist.h"
  79 #include "guiEngine.h"
  80 #include "mapsector.h"
  81
  82 #ifdef USE_LEVELDB
  83 #include "database-sqlite3.h"
  84 #include "database-leveldb.h"
  85 #endif
  86
  87 /*
  88         Settings.
  89         These are loaded from the config file.
  90 */
  91 Settings main_settings;
  92 Settings *g_settings = &main_settings;
  93 std::string g_settings_path;
  94
  95 // Global profiler
  96 Profiler main_profiler;
  97 Profiler *g_profiler = &main_profiler;
  98
  99 // Menu clouds are created later
 100 Clouds *g_menuclouds = 0;
 101 irr::scene::ISceneManager *g_menucloudsmgr = 0;
 102
 103 /*
 104         Debug streams
 105 */
 106
 107 // Connection
 108 std::ostream *dout_con_ptr = &dummyout;
 109 std::ostream *derr_con_ptr = &verbosestream;
 110
 111 // Server
 112 std::ostream *dout_server_ptr = &infostream;
 113 std::ostream *derr_server_ptr = &errorstream;
 114
 115 // Client
 116 std::ostream *dout_client_ptr = &infostream;
 117 std::ostream *derr_client_ptr = &errorstream;
 118
 119 #ifndef SERVER
 120 /*
 121         Random stuff
 122 */
 123
 124 /* mainmenumanager.h */
 125
 126 gui::IGUIEnvironment* guienv = NULL;
 127 gui::IGUIStaticText *guiroot = NULL;
 128 MainMenuManager g_menumgr;
 129
 130 bool noMenuActive()
 131 {
 132         return (g_menumgr.menuCount() == 0);
 133 }
 134
 135 // Passed to menus to allow disconnecting and exiting
 136 MainGameCallback *g_gamecallback = NULL;
 137 #endif
 138
 139 /*
 140         gettime.h implementation
 141 */
 142
 143 #ifdef SERVER
 144
 145 u32 getTimeMs()
 146 {
 147         /* Use imprecise system calls directly (from porting.h) */
 148         return porting::getTime(PRECISION_MILLI);
 149 }
 150
 151 u32 getTime(TimePrecision prec)
 152 {
 153         return porting::getTime(prec);
 154 }
 155
 156 #else
 157
 158 // A small helper class
 159 class TimeGetter
 160 {
 161 public:
 162         virtual u32 getTime(TimePrecision prec) = 0;
 163 };
 164
 165 // A precise irrlicht one
 166 class IrrlichtTimeGetter: public TimeGetter
 167 {
 168 public:
 169         IrrlichtTimeGetter(IrrlichtDevice *device):
 170                 m_device(device)
 171         {}
 172         u32 getTime(TimePrecision prec)
 173         {
 174                 if (prec == PRECISION_MILLI) {
 175                         if(m_device == NULL)
 176                                 return 0;
 177                         return m_device->getTimer()->getRealTime();
 178                 } else {
 179                         return porting::getTime(prec);
 180                 }
 181         }
 182 private:
 183         IrrlichtDevice *m_device;
 184 };
 185 // Not so precise one which works without irrlicht
 186 class SimpleTimeGetter: public TimeGetter
 187 {
 188 public:
 189         u32 getTime(TimePrecision prec)
 190         {
 191                 return porting::getTime(prec);
 192         }
 193 };
 194
 195 // A pointer to a global instance of the time getter
 196 // TODO: why?
 197 TimeGetter *g_timegetter = NULL;
 198
 199 u32 getTimeMs()
 200 {
 201         if(g_timegetter == NULL)
 202                 return 0;
 203         return g_timegetter->getTime(PRECISION_MILLI);
 204 }
 205
 206 u32 getTime(TimePrecision prec) {
 207         if (g_timegetter == NULL)
 208                 return 0;
 209         return g_timegetter->getTime(prec);
 210 }
 211 #endif
 212
 213 class StderrLogOutput: public ILogOutput
 214 {
 215 public:
 216         /* line: Full line with timestamp, level and thread */
 217         void printLog(const std::string &line)
 218         {
 219                 std::cerr<<line<<std::endl;
 220         }
 221 } main_stderr_log_out;
 222
 223 class DstreamNoStderrLogOutput: public ILogOutput
 224 {
 225 public:
 226         /* line: Full line with timestamp, level and thread */
 227         void printLog(const std::string &line)
 228         {
 229                 dstream_no_stderr<<line<<std::endl;
 230         }
 231 } main_dstream_no_stderr_log_out;
 232
 233 #ifndef SERVER
 234
 235 /*
 236         Event handler for Irrlicht
 237
 238         NOTE: Everything possible should be moved out from here,
 239               probably to InputHandler and the_game
 240 */
 241
 242 class MyEventReceiver : public IEventReceiver
 243 {
 244 public:
 245         // This is the one method that we have to implement
 246         virtual bool OnEvent(const SEvent& event)
 247         {
 248                 /*
 249                         React to nothing here if a menu is active
 250                 */
 251                 if(noMenuActive() == false)
 252                 {
 253                         return g_menumgr.preprocessEvent(event);
 254                 }
 255
 256                 // Remember whether each key is down or up
 257                 if(event.EventType == irr::EET_KEY_INPUT_EVENT)
 258                 {
 259                         if(event.KeyInput.PressedDown) {
 260                                 keyIsDown.set(event.KeyInput);
 261                                 keyWasDown.set(event.KeyInput);
 262                         } else {
 263                                 keyIsDown.unset(event.KeyInput);
 264                         }
 265                 }
 266
 267                 if(event.EventType == irr::EET_MOUSE_INPUT_EVENT)
 268                 {
 269                         if(noMenuActive() == false)
 270                         {
 271                                 left_active = false;
 272                                 middle_active = false;
 273                                 right_active = false;
 274                         }
 275                         else
 276                         {
 277                                 left_active = event.MouseInput.isLeftPressed();
 278                                 middle_active = event.MouseInput.isMiddlePressed();
 279                                 right_active = event.MouseInput.isRightPressed();
 280
 281                                 if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
 282                                 {
 283                                         leftclicked = true;
 284                                 }
 285                                 if(event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
 286                                 {
 287                                         rightclicked = true;
 288                                 }
 289                                 if(event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP)
 290                                 {
 291                                         leftreleased = true;
 292                                 }
 293                                 if(event.MouseInput.Event == EMIE_RMOUSE_LEFT_UP)
 294                                 {
 295                                         rightreleased = true;
 296                                 }
 297                                 if(event.MouseInput.Event == EMIE_MOUSE_WHEEL)
 298                                 {
 299                                         mouse_wheel += event.MouseInput.Wheel;
 300                                 }
 301                         }
 302                 }
 303
 304                 return false;
 305         }
 306
 307         bool IsKeyDown(const KeyPress &keyCode) const
 308         {
 309                 return keyIsDown[keyCode];
 310         }
 311
 312         // Checks whether a key was down and resets the state
 313         bool WasKeyDown(const KeyPress &keyCode)
 314         {
 315                 bool b = keyWasDown[keyCode];
 316                 if (b)
 317                         keyWasDown.unset(keyCode);
 318                 return b;
 319         }
 320
 321         s32 getMouseWheel()
 322         {
 323                 s32 a = mouse_wheel;
 324                 mouse_wheel = 0;
 325                 return a;
 326         }
 327
 328         void clearInput()
 329         {
 330                 keyIsDown.clear();
 331                 keyWasDown.clear();
 332
 333                 leftclicked = false;
 334                 rightclicked = false;
 335                 leftreleased = false;
 336                 rightreleased = false;
 337
 338                 left_active = false;
 339                 middle_active = false;
 340                 right_active = false;
 341
 342                 mouse_wheel = 0;
 343         }
 344
 345         MyEventReceiver()
 346         {
 347                 clearInput();
 348         }
 349
 350         bool leftclicked;
 351         bool rightclicked;
 352         bool leftreleased;
 353         bool rightreleased;
 354
 355         bool left_active;
 356         bool middle_active;
 357         bool right_active;
 358
 359         s32 mouse_wheel;
 360
 361 private:
 362         IrrlichtDevice *m_device;
 363
 364         // The current state of keys
 365         KeyList keyIsDown;
 366         // Whether a key has been pressed or not
 367         KeyList keyWasDown;
 368 };
 369
 370 /*
 371         Separated input handler
 372 */
 373
 374 class RealInputHandler : public InputHandler
 375 {
 376 public:
 377         RealInputHandler(IrrlichtDevice *device, MyEventReceiver *receiver):
 378                 m_device(device),
 379                 m_receiver(receiver)
 380         {
 381         }
 382         virtual bool isKeyDown(const KeyPress &keyCode)
 383         {
 384                 return m_receiver->IsKeyDown(keyCode);
 385         }
 386         virtual bool wasKeyDown(const KeyPress &keyCode)
 387         {
 388                 return m_receiver->WasKeyDown(keyCode);
 389         }
 390         virtual v2s32 getMousePos()
 391         {
 392                 return m_device->getCursorControl()->getPosition();
 393         }
 394         virtual void setMousePos(s32 x, s32 y)
 395         {
 396                 m_device->getCursorControl()->setPosition(x, y);
 397         }
 398
 399         virtual bool getLeftState()
 400         {
 401                 return m_receiver->left_active;
 402         }
 403         virtual bool getRightState()
 404         {
 405                 return m_receiver->right_active;
 406         }
 407
 408         virtual bool getLeftClicked()
 409         {
 410                 return m_receiver->leftclicked;
 411         }
 412         virtual bool getRightClicked()
 413         {
 414                 return m_receiver->rightclicked;
 415         }
 416         virtual void resetLeftClicked()
 417         {
 418                 m_receiver->leftclicked = false;
 419         }
 420         virtual void resetRightClicked()
 421         {
 422                 m_receiver->rightclicked = false;
 423         }
 424
 425         virtual bool getLeftReleased()
 426         {
 427                 return m_receiver->leftreleased;
 428         }
 429         virtual bool getRightReleased()
 430         {
 431                 return m_receiver->rightreleased;
 432         }
 433         virtual void resetLeftReleased()
 434         {
 435                 m_receiver->leftreleased = false;
 436         }
 437         virtual void resetRightReleased()
 438         {
 439                 m_receiver->rightreleased = false;
 440         }
 441
 442         virtual s32 getMouseWheel()
 443         {
 444                 return m_receiver->getMouseWheel();
 445         }
 446
 447         void clear()
 448         {
 449                 m_receiver->clearInput();
 450         }
 451 private:
 452         IrrlichtDevice *m_device;
 453         MyEventReceiver *m_receiver;
 454 };
 455
 456 class RandomInputHandler : public InputHandler
 457 {
 458 public:
 459         RandomInputHandler()
 460         {
 461                 leftdown = false;
 462                 rightdown = false;
 463                 leftclicked = false;
 464                 rightclicked = false;
 465                 leftreleased = false;
 466                 rightreleased = false;
 467                 keydown.clear();
 468         }
 469         virtual bool isKeyDown(const KeyPress &keyCode)
 470         {
 471                 return keydown[keyCode];
 472         }
 473         virtual bool wasKeyDown(const KeyPress &keyCode)
 474         {
 475                 return false;
 476         }
 477         virtual v2s32 getMousePos()
 478         {
 479                 return mousepos;
 480         }
 481         virtual void setMousePos(s32 x, s32 y)
 482         {
 483                 mousepos = v2s32(x,y);
 484         }
 485
 486         virtual bool getLeftState()
 487         {
 488                 return leftdown;
 489         }
 490         virtual bool getRightState()
 491         {
 492                 return rightdown;
 493         }
 494
 495         virtual bool getLeftClicked()
 496         {
 497                 return leftclicked;
 498         }
 499         virtual bool getRightClicked()
 500         {
 501                 return rightclicked;
 502         }
 503         virtual void resetLeftClicked()
 504         {
 505                 leftclicked = false;
 506         }
 507         virtual void resetRightClicked()
 508         {
 509                 rightclicked = false;
 510         }
 511
 512         virtual bool getLeftReleased()
 513         {
 514                 return leftreleased;
 515         }
 516         virtual bool getRightReleased()
 517         {
 518                 return rightreleased;
 519         }
 520         virtual void resetLeftReleased()
 521         {
 522                 leftreleased = false;
 523         }
 524         virtual void resetRightReleased()
 525         {
 526                 rightreleased = false;
 527         }
 528
 529         virtual s32 getMouseWheel()
 530         {
 531                 return 0;
 532         }
 533
 534         virtual void step(float dtime)
 535         {
 536                 {
 537                         static float counter1 = 0;
 538                         counter1 -= dtime;
 539                         if(counter1 < 0.0)
 540                         {
 541                                 counter1 = 0.1*Rand(1, 40);
 542                                 keydown.toggle(getKeySetting("keymap_jump"));
 543                         }
 544                 }
 545                 {
 546                         static float counter1 = 0;
 547                         counter1 -= dtime;
 548                         if(counter1 < 0.0)
 549                         {
 550                                 counter1 = 0.1*Rand(1, 40);
 551                                 keydown.toggle(getKeySetting("keymap_special1"));
 552                         }
 553                 }
 554                 {
 555                         static float counter1 = 0;
 556                         counter1 -= dtime;
 557                         if(counter1 < 0.0)
 558                         {
 559                                 counter1 = 0.1*Rand(1, 40);
 560                                 keydown.toggle(getKeySetting("keymap_forward"));
 561                         }
 562                 }
 563                 {
 564                         static float counter1 = 0;
 565                         counter1 -= dtime;
 566                         if(counter1 < 0.0)
 567                         {
 568                                 counter1 = 0.1*Rand(1, 40);
 569                                 keydown.toggle(getKeySetting("keymap_left"));
 570                         }
 571                 }
 572                 {
 573                         static float counter1 = 0;
 574                         counter1 -= dtime;
 575                         if(counter1 < 0.0)
 576                         {
 577                                 counter1 = 0.1*Rand(1, 20);
 578                                 mousespeed = v2s32(Rand(-20,20), Rand(-15,20));
 579                         }
 580                 }
 581                 {
 582                         static float counter1 = 0;
 583                         counter1 -= dtime;
 584                         if(counter1 < 0.0)
 585                         {
 586                                 counter1 = 0.1*Rand(1, 30);
 587                                 leftdown = !leftdown;
 588                                 if(leftdown)
 589                                         leftclicked = true;
 590                                 if(!leftdown)
 591                                         leftreleased = true;
 592                         }
 593                 }
 594                 {
 595                         static float counter1 = 0;
 596                         counter1 -= dtime;
 597                         if(counter1 < 0.0)
 598                         {
 599                                 counter1 = 0.1*Rand(1, 15);
 600                                 rightdown = !rightdown;
 601                                 if(rightdown)
 602                                         rightclicked = true;
 603                                 if(!rightdown)
 604                                         rightreleased = true;
 605                         }
 606                 }
 607                 mousepos += mousespeed;
 608         }
 609
 610         s32 Rand(s32 min, s32 max)
 611         {
 612                 return (myrand()%(max-min+1))+min;
 613         }
 614 private:
 615         KeyList keydown;
 616         v2s32 mousepos;
 617         v2s32 mousespeed;
 618         bool leftdown;
 619         bool rightdown;
 620         bool leftclicked;
 621         bool rightclicked;
 622         bool leftreleased;
 623         bool rightreleased;
 624 };
 625
 626 #endif // !SERVER
 627
 628 // These are defined global so that they're not optimized too much.
 629 // Can't change them to volatile.
 630 s16 temp16;
 631 f32 tempf;
 632 v3f tempv3f1;
 633 v3f tempv3f2;
 634 std::string tempstring;
 635 std::string tempstring2;
 636
 637 void SpeedTests()
 638 {
 639         {
 640                 infostream<<"The following test should take around 20ms."<<std::endl;
 641                 TimeTaker timer("Testing std::string speed");
 642                 const u32 jj = 10000;
 643                 for(u32 j=0; j<jj; j++)
 644                 {
 645                         tempstring = "";
 646                         tempstring2 = "";
 647                         const u32 ii = 10;
 648                         for(u32 i=0; i<ii; i++){
 649                                 tempstring2 += "asd";
 650                         }
 651                         for(u32 i=0; i<ii+1; i++){
 652                                 tempstring += "asd";
 653                                 if(tempstring == tempstring2)
 654                                         break;
 655                         }
 656                 }
 657         }
 658
 659         infostream<<"All of the following tests should take around 100ms each."
 660                         <<std::endl;
 661
 662         {
 663                 TimeTaker timer("Testing floating-point conversion speed");
 664                 tempf = 0.001;
 665                 for(u32 i=0; i<4000000; i++){
 666                         temp16 += tempf;
 667                         tempf += 0.001;
 668                 }
 669         }
 670
 671         {
 672                 TimeTaker timer("Testing floating-point vector speed");
 673
 674                 tempv3f1 = v3f(1,2,3);
 675                 tempv3f2 = v3f(4,5,6);
 676                 for(u32 i=0; i<10000000; i++){
 677                         tempf += tempv3f1.dotProduct(tempv3f2);
 678                         tempv3f2 += v3f(7,8,9);
 679                 }
 680         }
 681
 682         {
 683                 TimeTaker timer("Testing std::map speed");
 684
 685                 std::map<v2s16, f32> map1;
 686                 tempf = -324;
 687                 const s16 ii=300;
 688                 for(s16 y=0; y<ii; y++){
 689                         for(s16 x=0; x<ii; x++){
 690                                 map1[v2s16(x,y)] =  tempf;
 691                                 tempf += 1;
 692                         }
 693                 }
 694                 for(s16 y=ii-1; y>=0; y--){
 695                         for(s16 x=0; x<ii; x++){
 696                                 tempf = map1[v2s16(x,y)];
 697                         }
 698                 }
 699         }
 700
 701         {
 702                 infostream<<"Around 5000/ms should do well here."<<std::endl;
 703                 TimeTaker timer("Testing mutex speed");
 704
 705                 JMutex m;
 706                 m.Init();
 707                 u32 n = 0;
 708                 u32 i = 0;
 709                 do{
 710                         n += 10000;
 711                         for(; i<n; i++){
 712                                 m.Lock();
 713                                 m.Unlock();
 714                         }
 715                 }
 716                 // Do at least 10ms
 717                 while(timer.getTimerTime() < 10);
 718
 719                 u32 dtime = timer.stop();
 720                 u32 per_ms = n / dtime;
 721                 infostream<<"Done. "<<dtime<<"ms, "
 722                                 <<per_ms<<"/ms"<<std::endl;
 723         }
 724 }
 725
 726 static void print_worldspecs(const std::vector<WorldSpec> &worldspecs,
 727                 std::ostream &os)
 728 {
 729         for(u32 i=0; i<worldspecs.size(); i++){
 730                 std::string name = worldspecs[i].name;
 731                 std::string path = worldspecs[i].path;
 732                 if(name.find(" ") != std::string::npos)
 733                         name = std::string("'") + name + "'";
 734                 path = std::string("'") + path + "'";
 735                 name = padStringRight(name, 14);
 736                 os<<"  "<<name<<" "<<path<<std::endl;
 737         }
 738 }
 739
 740 int main(int argc, char *argv[])
 741 {
 742         int retval = 0;
 743
 744         /*
 745                 Initialization
 746         */
 747
 748         log_add_output_maxlev(&main_stderr_log_out, LMT_ACTION);
 749         log_add_output_all_levs(&main_dstream_no_stderr_log_out);
 750
 751         log_register_thread("main");
 752
 753         // This enables internatonal characters input
 754         if( setlocale(LC_ALL, "") == NULL )
 755         {
 756                 fprintf( stderr, "%s: warning: could not set default locale\n", argv[0] );
 757         }
 758
 759         // Set locale. This is for forcing '.' as the decimal point.
 760         try {
 761                 std::locale::global(std::locale(std::locale(""), "C", std::locale::numeric));
 762                 setlocale(LC_NUMERIC, "C");
 763         } catch (const std::exception& ex) {
 764                 errorstream<<"Could not set numeric locale to C"<<std::endl;
 765         }
 766         /*
 767                 Parse command line
 768         */
 769
 770         // List all allowed options
 771         std::map<std::string, ValueSpec> allowed_options;
 772         allowed_options.insert(std::make_pair("help", ValueSpec(VALUETYPE_FLAG,
 773                         _("Show allowed options"))));
 774         allowed_options.insert(std::make_pair("config", ValueSpec(VALUETYPE_STRING,
 775                         _("Load configuration from specified file"))));
 776         allowed_options.insert(std::make_pair("port", ValueSpec(VALUETYPE_STRING,
 777                         _("Set network port (UDP)"))));
 778         allowed_options.insert(std::make_pair("disable-unittests", ValueSpec(VALUETYPE_FLAG,
 779                         _("Disable unit tests"))));
 780         allowed_options.insert(std::make_pair("enable-unittests", ValueSpec(VALUETYPE_FLAG,
 781                         _("Enable unit tests"))));
 782         allowed_options.insert(std::make_pair("map-dir", ValueSpec(VALUETYPE_STRING,
 783                         _("Same as --world (deprecated)"))));
 784         allowed_options.insert(std::make_pair("world", ValueSpec(VALUETYPE_STRING,
 785                         _("Set world path (implies local game) ('list' lists all)"))));
 786         allowed_options.insert(std::make_pair("worldname", ValueSpec(VALUETYPE_STRING,
 787                         _("Set world by name (implies local game)"))));
 788         allowed_options.insert(std::make_pair("info", ValueSpec(VALUETYPE_FLAG,
 789                         _("Print more information to console"))));
 790         allowed_options.insert(std::make_pair("verbose",  ValueSpec(VALUETYPE_FLAG,
 791                         _("Print even more information to console"))));
 792         allowed_options.insert(std::make_pair("trace", ValueSpec(VALUETYPE_FLAG,
 793                         _("Print enormous amounts of information to log and console"))));
 794         allowed_options.insert(std::make_pair("logfile", ValueSpec(VALUETYPE_STRING,
 795                         _("Set logfile path ('' = no logging)"))));
 796         allowed_options.insert(std::make_pair("gameid", ValueSpec(VALUETYPE_STRING,
 797                         _("Set gameid (\"--gameid list\" prints available ones)"))));
 798         #if USE_LEVELDB
 799         allowed_options.insert(std::make_pair("migrate", ValueSpec(VALUETYPE_STRING,
 800                         _("Migrate from current map backend to another (Only works when using minetestserver or with --server)"))));
 801         #endif
 802 #ifndef SERVER
 803         allowed_options.insert(std::make_pair("videomodes", ValueSpec(VALUETYPE_FLAG,
 804                         _("Show available video modes"))));
 805         allowed_options.insert(std::make_pair("speedtests", ValueSpec(VALUETYPE_FLAG,
 806                         _("Run speed tests"))));
 807         allowed_options.insert(std::make_pair("address", ValueSpec(VALUETYPE_STRING,
 808                         _("Address to connect to. ('' = local game)"))));
 809         allowed_options.insert(std::make_pair("random-input", ValueSpec(VALUETYPE_FLAG,
 810                         _("Enable random user input, for testing"))));
 811         allowed_options.insert(std::make_pair("server", ValueSpec(VALUETYPE_FLAG,
 812                         _("Run dedicated server"))));
 813         allowed_options.insert(std::make_pair("name", ValueSpec(VALUETYPE_STRING,
 814                         _("Set player name"))));
 815         allowed_options.insert(std::make_pair("password", ValueSpec(VALUETYPE_STRING,
 816                         _("Set password"))));
 817         allowed_options.insert(std::make_pair("go", ValueSpec(VALUETYPE_FLAG,
 818                         _("Disable main menu"))));
 819 #endif
 820
 821         Settings cmd_args;
 822
 823         bool ret = cmd_args.parseCommandLine(argc, argv, allowed_options);
 824
 825         if(ret == false || cmd_args.getFlag("help") || cmd_args.exists("nonopt1"))
 826         {
 827                 dstream<<_("Allowed options:")<<std::endl;
 828                 for(std::map<std::string, ValueSpec>::iterator
 829                                 i = allowed_options.begin();
 830                                 i != allowed_options.end(); ++i)
 831                 {
 832                         std::ostringstream os1(std::ios::binary);
 833                         os1<<"  --"<<i->first;
 834                         if(i->second.type == VALUETYPE_FLAG)
 835                                 {}
 836                         else
 837                                 os1<<_(" <value>");
 838                         dstream<<padStringRight(os1.str(), 24);
 839
 840                         if(i->second.help != NULL)
 841                                 dstream<<i->second.help;
 842                         dstream<<std::endl;
 843                 }
 844
 845                 return cmd_args.getFlag("help") ? 0 : 1;
 846         }
 847
 848         /*
 849                 Low-level initialization
 850         */
 851
 852         // If trace is enabled, enable logging of certain things
 853         if(cmd_args.getFlag("trace")){
 854                 dstream<<_("Enabling trace level debug output")<<std::endl;
 855                 log_trace_level_enabled = true;
 856                 dout_con_ptr = &verbosestream; // this is somewhat old crap
 857                 socket_enable_debug_output = true; // socket doesn't use log.h
 858         }
 859         // In certain cases, output info level on stderr
 860         if(cmd_args.getFlag("info") || cmd_args.getFlag("verbose") ||
 861                         cmd_args.getFlag("trace") || cmd_args.getFlag("speedtests"))
 862                 log_add_output(&main_stderr_log_out, LMT_INFO);
 863         // In certain cases, output verbose level on stderr
 864         if(cmd_args.getFlag("verbose") || cmd_args.getFlag("trace"))
 865                 log_add_output(&main_stderr_log_out, LMT_VERBOSE);
 866
 867         porting::signal_handler_init();
 868         bool &kill = *porting::signal_handler_killstatus();
 869
 870         porting::initializePaths();
 871
 872         // Create user data directory
 873         fs::CreateDir(porting::path_user);
 874
 875         init_gettext((porting::path_share + DIR_DELIM + "locale").c_str());
 876
 877         infostream<<"path_share = "<<porting::path_share<<std::endl;
 878         infostream<<"path_user  = "<<porting::path_user<<std::endl;
 879
 880         // Initialize debug stacks
 881         debug_stacks_init();
 882         DSTACK(__FUNCTION_NAME);
 883
 884         // Debug handler
 885         BEGIN_DEBUG_EXCEPTION_HANDLER
 886
 887         // List gameids if requested
 888         if(cmd_args.exists("gameid") && cmd_args.get("gameid") == "list")
 889         {
 890                 std::set<std::string> gameids = getAvailableGameIds();
 891                 for(std::set<std::string>::const_iterator i = gameids.begin();
 892                                 i != gameids.end(); i++)
 893                         dstream<<(*i)<<std::endl;
 894                 return 0;
 895         }
 896
 897         // List worlds if requested
 898         if(cmd_args.exists("world") && cmd_args.get("world") == "list"){
 899                 dstream<<_("Available worlds:")<<std::endl;
 900                 std::vector<WorldSpec> worldspecs = getAvailableWorlds();
 901                 print_worldspecs(worldspecs, dstream);
 902                 return 0;
 903         }
 904
 905         // Print startup message
 906         infostream<<PROJECT_NAME<<
 907                         " "<<_("with")<<" SER_FMT_VER_HIGHEST_READ="<<(int)SER_FMT_VER_HIGHEST_READ
 908                         <<", "<<BUILD_INFO
 909                         <<std::endl;
 910
 911         /*
 912                 Basic initialization
 913         */
 914
 915         // Initialize default settings
 916         set_default_settings(g_settings);
 917
 918         // Initialize sockets
 919         sockets_init();
 920         atexit(sockets_cleanup);
 921
 922         /*
 923                 Read config file
 924         */
 925
 926         // Path of configuration file in use
 927         g_settings_path = "";
 928
 929         if(cmd_args.exists("config"))
 930         {
 931                 bool r = g_settings->readConfigFile(cmd_args.get("config").c_str());
 932                 if(r == false)
 933                 {
 934                         errorstream<<"Could not read configuration from \""
 935                                         <<cmd_args.get("config")<<"\""<<std::endl;
 936                         return 1;
 937                 }
 938                 g_settings_path = cmd_args.get("config");
 939         }
 940         else
 941         {
 942                 std::vector<std::string> filenames;
 943                 filenames.push_back(porting::path_user +
 944                                 DIR_DELIM + "minetest.conf");
 945                 // Legacy configuration file location
 946                 filenames.push_back(porting::path_user +
 947                                 DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
 948 #if RUN_IN_PLACE
 949                 // Try also from a lower level (to aid having the same configuration
 950                 // for many RUN_IN_PLACE installs)
 951                 filenames.push_back(porting::path_user +
 952                                 DIR_DELIM + ".." + DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
 953 #endif
 954
 955                 for(u32 i=0; i<filenames.size(); i++)
 956                 {
 957                         bool r = g_settings->readConfigFile(filenames[i].c_str());
 958                         if(r)
 959                         {
 960                                 g_settings_path = filenames[i];
 961                                 break;
 962                         }
 963                 }
 964
 965                 // If no path found, use the first one (menu creates the file)
 966                 if(g_settings_path == "")
 967                         g_settings_path = filenames[0];
 968         }
 969
 970         // Initialize debug streams
 971 #define DEBUGFILE "debug.txt"
 972 #if RUN_IN_PLACE
 973         std::string logfile = DEBUGFILE;
 974 #else
 975         std::string logfile = porting::path_user+DIR_DELIM+DEBUGFILE;
 976 #endif
 977         if(cmd_args.exists("logfile"))
 978                 logfile = cmd_args.get("logfile");
 979
 980         log_remove_output(&main_dstream_no_stderr_log_out);
 981         int loglevel = g_settings->getS32("debug_log_level");
 982
 983         if (loglevel == 0) //no logging
 984                 logfile = "";
 985         else if (loglevel > 0 && loglevel <= LMT_NUM_VALUES)
 986                 log_add_output_maxlev(&main_dstream_no_stderr_log_out, (LogMessageLevel)(loglevel - 1));
 987
 988         if(logfile != "")
 989                 debugstreams_init(false, logfile.c_str());
 990         else
 991                 debugstreams_init(false, NULL);
 992
 993         infostream<<"logfile    = "<<logfile<<std::endl;
 994
 995         // Initialize random seed
 996         srand(time(0));
 997         mysrand(time(0));
 998
 999         /*
1000                 Run unit tests
1001         */
1002
1003         if((ENABLE_TESTS && cmd_args.getFlag("disable-unittests") == false)
1004                         || cmd_args.getFlag("enable-unittests") == true)
1005         {
1006                 run_tests();
1007         }
1008
1009         std::string language = g_settings->get("language");
1010         if (language.length()) {
1011 #ifndef _WIN32
1012                 setenv("LANGUAGE", language.c_str(), 1);
1013 #else
1014                 char *lang_str = (char*)calloc(10 + language.length(), sizeof(char));
1015                 strcat(lang_str, "LANGUAGE=");
1016                 strcat(lang_str, language.c_str());
1017                 putenv(lang_str);
1018 #endif
1019         }
1020
1021         /*
1022                 Game parameters
1023         */
1024
1025         // Port
1026         u16 port = 30000;
1027         if(cmd_args.exists("port"))
1028                 port = cmd_args.getU16("port");
1029         else if(g_settings->exists("port"))
1030                 port = g_settings->getU16("port");
1031         if(port == 0)
1032                 port = 30000;
1033
1034         // World directory
1035         std::string commanded_world = "";
1036         if(cmd_args.exists("world"))
1037                 commanded_world = cmd_args.get("world");
1038         else if(cmd_args.exists("map-dir"))
1039                 commanded_world = cmd_args.get("map-dir");
1040         else if(cmd_args.exists("nonopt0")) // First nameless argument
1041                 commanded_world = cmd_args.get("nonopt0");
1042         else if(g_settings->exists("map-dir"))
1043                 commanded_world = g_settings->get("map-dir");
1044
1045         // World name
1046         std::string commanded_worldname = "";
1047         if(cmd_args.exists("worldname"))
1048                 commanded_worldname = cmd_args.get("worldname");
1049
1050         // Strip world.mt from commanded_world
1051         {
1052                 std::string worldmt = "world.mt";
1053                 if(commanded_world.size() > worldmt.size() &&
1054                                 commanded_world.substr(commanded_world.size()-worldmt.size())
1055                                 == worldmt){
1056                         dstream<<_("Supplied world.mt file - stripping it off.")<<std::endl;
1057                         commanded_world = commanded_world.substr(
1058                                         0, commanded_world.size()-worldmt.size());
1059                 }
1060         }
1061
1062         // If a world name was specified, convert it to a path
1063         if(commanded_worldname != ""){
1064                 // Get information about available worlds
1065                 std::vector<WorldSpec> worldspecs = getAvailableWorlds();
1066                 bool found = false;
1067                 for(u32 i=0; i<worldspecs.size(); i++){
1068                         std::string name = worldspecs[i].name;
1069                         if(name == commanded_worldname){
1070                                 if(commanded_world != ""){
1071                                         dstream<<_("--worldname takes precedence over previously "
1072                                                         "selected world.")<<std::endl;
1073                                 }
1074                                 commanded_world = worldspecs[i].path;
1075                                 found = true;
1076                                 break;
1077                         }
1078                 }
1079                 if(!found){
1080                         dstream<<_("World")<<" '"<<commanded_worldname<<_("' not "
1081                                         "available. Available worlds:")<<std::endl;
1082                         print_worldspecs(worldspecs, dstream);
1083                         return 1;
1084                 }
1085         }
1086
1087         // Gamespec
1088         SubgameSpec commanded_gamespec;
1089         if(cmd_args.exists("gameid")){
1090                 std::string gameid = cmd_args.get("gameid");
1091                 commanded_gamespec = findSubgame(gameid);
1092                 if(!commanded_gamespec.isValid()){
1093                         errorstream<<"Game \""<<gameid<<"\" not found"<<std::endl;
1094                         return 1;
1095                 }
1096         }
1097
1098
1099         /*
1100                 Run dedicated server if asked to or no other option
1101         */
1102 #ifdef SERVER
1103         bool run_dedicated_server = true;
1104 #else
1105         bool run_dedicated_server = cmd_args.getFlag("server");
1106 #endif
1107         g_settings->set("server_dedicated", run_dedicated_server ? "true" : "false");
1108         if(run_dedicated_server)
1109         {
1110                 DSTACK("Dedicated server branch");
1111                 // Create time getter if built with Irrlicht
1112 #ifndef SERVER
1113                 g_timegetter = new SimpleTimeGetter();
1114 #endif
1115
1116                 // World directory
1117                 std::string world_path;
1118                 verbosestream<<_("Determining world path")<<std::endl;
1119                 bool is_legacy_world = false;
1120                 // If a world was commanded, use it
1121                 if(commanded_world != ""){
1122                         world_path = commanded_world;
1123                         infostream<<"Using commanded world path ["<<world_path<<"]"
1124                                         <<std::endl;
1125                 }
1126                 // No world was specified; try to select it automatically
1127                 else
1128                 {
1129                         // Get information about available worlds
1130                         std::vector<WorldSpec> worldspecs = getAvailableWorlds();
1131                         // If a world name was specified, select it
1132                         if(commanded_worldname != ""){
1133                                 world_path = "";
1134                                 for(u32 i=0; i<worldspecs.size(); i++){
1135                                         std::string name = worldspecs[i].name;
1136                                         if(name == commanded_worldname){
1137                                                 world_path = worldspecs[i].path;
1138                                                 break;
1139                                         }
1140                                 }
1141                                 if(world_path == ""){
1142                                         dstream<<_("World")<<" '"<<commanded_worldname<<"' "<<_("not "
1143                                                         "available. Available worlds:")<<std::endl;
1144                                         print_worldspecs(worldspecs, dstream);
1145                                         return 1;
1146                                 }
1147                         }
1148                         // If there is only a single world, use it
1149                         if(worldspecs.size() == 1){
1150                                 world_path = worldspecs[0].path;
1151                                 dstream<<_("Automatically selecting world at")<<" ["
1152                                                 <<world_path<<"]"<<std::endl;
1153                         // If there are multiple worlds, list them
1154                         } else if(worldspecs.size() > 1){
1155                                 dstream<<_("Multiple worlds are available.")<<std::endl;
1156                                 dstream<<_("Please select one using --worldname <name>"
1157                                                 " or --world <path>")<<std::endl;
1158                                 print_worldspecs(worldspecs, dstream);
1159                                 return 1;
1160                         // If there are no worlds, automatically create a new one
1161                         } else {
1162                                 // This is the ultimate default world path
1163                                 world_path = porting::path_user + DIR_DELIM + "worlds" +
1164                                                 DIR_DELIM + "world";
1165                                 infostream<<"Creating default world at ["
1166                                                 <<world_path<<"]"<<std::endl;
1167                         }
1168                 }
1169
1170                 if(world_path == ""){
1171                         errorstream<<"No world path specified or found."<<std::endl;
1172                         return 1;
1173                 }
1174                 verbosestream<<_("Using world path")<<" ["<<world_path<<"]"<<std::endl;
1175
1176                 // We need a gamespec.
1177                 SubgameSpec gamespec;
1178                 verbosestream<<_("Determining gameid/gamespec")<<std::endl;
1179                 // If world doesn't exist
1180                 if(!getWorldExists(world_path))
1181                 {
1182                         // Try to take gamespec from command line
1183                         if(commanded_gamespec.isValid()){
1184                                 gamespec = commanded_gamespec;
1185                                 infostream<<"Using commanded gameid ["<<gamespec.id<<"]"<<std::endl;
1186                         }
1187                         // Otherwise we will be using "minetest"
1188                         else{
1189                                 gamespec = findSubgame(g_settings->get("default_game"));
1190                                 infostream<<"Using default gameid ["<<gamespec.id<<"]"<<std::endl;
1191                         }
1192                 }
1193                 // World exists
1194                 else
1195                 {
1196                         std::string world_gameid = getWorldGameId(world_path, is_legacy_world);
1197                         // If commanded to use a gameid, do so
1198                         if(commanded_gamespec.isValid()){
1199                                 gamespec = commanded_gamespec;
1200                                 if(commanded_gamespec.id != world_gameid){
1201                                         errorstream<<"WARNING: Using commanded gameid ["
1202                                                         <<gamespec.id<<"]"<<" instead of world gameid ["
1203                                                         <<world_gameid<<"]"<<std::endl;
1204                                 }
1205                         } else{
1206                                 // If world contains an embedded game, use it;
1207                                 // Otherwise find world from local system.
1208                                 gamespec = findWorldSubgame(world_path);
1209                                 infostream<<"Using world gameid ["<<gamespec.id<<"]"<<std::endl;
1210                         }
1211                 }
1212                 if(!gamespec.isValid()){
1213                         errorstream<<"Subgame ["<<gamespec.id<<"] could not be found."
1214                                         <<std::endl;
1215                         return 1;
1216                 }
1217                 verbosestream<<_("Using gameid")<<" ["<<gamespec.id<<"]"<<std::endl;
1218
1219                 // Create server
1220                 Server server(world_path, gamespec, false);
1221
1222                 #if USE_LEVELDB
1223                 // Database migration
1224                 if (cmd_args.exists("migrate")) {
1225                         std::string migrate_to = cmd_args.get("migrate");
1226                         Settings world_mt;
1227                         bool success = world_mt.readConfigFile((world_path + DIR_DELIM + "world.mt").c_str());
1228                         if (!success) {
1229                                 errorstream << "Cannot read world.mt" << std::endl;
1230                                 return 1;
1231                         }
1232                         if (!world_mt.exists("backend")) {
1233                                 errorstream << "Please specify your current backend in world.mt file:"
1234                                         << std::endl << "       backend = {sqlite3|leveldb|dummy}" << std::endl;
1235                                 return 1;
1236                         }
1237                         std::string backend = world_mt.get("backend");
1238                         Database *new_db;
1239                         if (backend == migrate_to) {
1240                                 errorstream << "Cannot migrate: new backend is same as the old one" << std::endl;
1241                                 return 1;
1242                         }
1243                         if (migrate_to == "sqlite3")
1244                                 new_db = new Database_SQLite3(&(ServerMap&)server.getMap(), world_path);
1245                         else if (migrate_to == "leveldb")
1246                                 new_db = new Database_LevelDB(&(ServerMap&)server.getMap(), world_path);
1247                         else {
1248                                 errorstream << "Migration to " << migrate_to << " is not supported" << std::endl;
1249                                 return 1;
1250                         }
1251
1252                         std::list<v3s16> blocks;
1253                         ServerMap &old_map = ((ServerMap&)server.getMap());
1254                         old_map.listAllLoadableBlocks(blocks);
1255                         int count = 0;
1256                         new_db->beginSave();
1257                         for (std::list<v3s16>::iterator i = blocks.begin(); i != blocks.end(); ++i) {
1258                                 MapBlock *block = old_map.loadBlock(*i);
1259                                 new_db->saveBlock(block);
1260                                 MapSector *sector = old_map.getSectorNoGenerate(v2s16(i->X, i->Z));
1261                                 sector->deleteBlock(block);
1262                                 ++count;
1263                                 if (count % 500 == 0)
1264                                         actionstream << "Migrated " << count << " blocks "
1265                                                 << (100.0 * count / blocks.size()) << "\% completed" << std::endl;
1266                         }
1267                         new_db->endSave();
1268
1269                         actionstream << "Successfully migrated " << count << " blocks" << std::endl;
1270                         world_mt.set("backend", migrate_to);
1271                         if(!world_mt.updateConfigFile((world_path + DIR_DELIM + "world.mt").c_str()))
1272                                 errorstream<<"Failed to update world.mt!"<<std::endl;
1273                         else
1274                                 actionstream<<"world.mt updated"<<std::endl;
1275
1276                         return 0;
1277                 }
1278                 #endif
1279
1280                 server.start(port);
1281
1282                 // Run server
1283                 dedicated_server_loop(server, kill);
1284
1285                 return 0;
1286         }
1287
1288 #ifndef SERVER // Exclude from dedicated server build
1289
1290         /*
1291                 More parameters
1292         */
1293
1294         std::string address = g_settings->get("address");
1295         if(commanded_world != "")
1296                 address = "";
1297         else if(cmd_args.exists("address"))
1298                 address = cmd_args.get("address");
1299
1300         std::string playername = g_settings->get("name");
1301         if(cmd_args.exists("name"))
1302                 playername = cmd_args.get("name");
1303
1304         bool skip_main_menu = cmd_args.getFlag("go");
1305
1306         /*
1307                 Device initialization
1308         */
1309
1310         // Resolution selection
1311
1312         bool fullscreen = g_settings->getBool("fullscreen");
1313         u16 screenW = g_settings->getU16("screenW");
1314         u16 screenH = g_settings->getU16("screenH");
1315
1316         // bpp, fsaa, vsync
1317
1318         bool vsync = g_settings->getBool("vsync");
1319         u16 bits = g_settings->getU16("fullscreen_bpp");
1320         u16 fsaa = g_settings->getU16("fsaa");
1321
1322         // Determine driver
1323
1324         video::E_DRIVER_TYPE driverType;
1325
1326         std::string driverstring = g_settings->get("video_driver");
1327
1328         if(driverstring == "null")
1329                 driverType = video::EDT_NULL;
1330         else if(driverstring == "software")
1331                 driverType = video::EDT_SOFTWARE;
1332         else if(driverstring == "burningsvideo")
1333                 driverType = video::EDT_BURNINGSVIDEO;
1334         else if(driverstring == "direct3d8")
1335                 driverType = video::EDT_DIRECT3D8;
1336         else if(driverstring == "direct3d9")
1337                 driverType = video::EDT_DIRECT3D9;
1338         else if(driverstring == "opengl")
1339                 driverType = video::EDT_OPENGL;
1340 #ifdef _IRR_COMPILE_WITH_OGLES1_
1341         else if(driverstring == "ogles1")
1342                 driverType = video::EDT_OGLES1;
1343 #endif
1344 #ifdef _IRR_COMPILE_WITH_OGLES2_
1345         else if(driverstring == "ogles2")
1346                 driverType = video::EDT_OGLES2;
1347 #endif
1348         else
1349         {
1350                 errorstream<<"WARNING: Invalid video_driver specified; defaulting "
1351                                 "to opengl"<<std::endl;
1352                 driverType = video::EDT_OPENGL;
1353         }
1354
1355         /*
1356                 List video modes if requested
1357         */
1358
1359         MyEventReceiver receiver;
1360
1361         if(cmd_args.getFlag("videomodes")){
1362                 IrrlichtDevice *nulldevice;
1363
1364                 SIrrlichtCreationParameters params = SIrrlichtCreationParameters();
1365                 params.DriverType    = video::EDT_NULL;
1366                 params.WindowSize    = core::dimension2d<u32>(640, 480);
1367                 params.Bits          = 24;
1368                 params.AntiAlias     = fsaa;
1369                 params.Fullscreen    = false;
1370                 params.Stencilbuffer = false;
1371                 params.Vsync         = vsync;
1372                 params.EventReceiver = &receiver;
1373                 params.HighPrecisionFPU = g_settings->getBool("high_precision_fpu");
1374
1375                 nulldevice = createDeviceEx(params);
1376
1377                 if(nulldevice == 0)
1378                         return 1;
1379
1380                 dstream<<_("Available video modes (WxHxD):")<<std::endl;
1381
1382                 video::IVideoModeList *videomode_list =
1383                                 nulldevice->getVideoModeList();
1384
1385                 if(videomode_list == 0){
1386                         nulldevice->drop();
1387                         return 1;
1388                 }
1389
1390                 s32 videomode_count = videomode_list->getVideoModeCount();
1391                 core::dimension2d<u32> videomode_res;
1392                 s32 videomode_depth;
1393                 for (s32 i = 0; i < videomode_count; ++i){
1394                         videomode_res = videomode_list->getVideoModeResolution(i);
1395                         videomode_depth = videomode_list->getVideoModeDepth(i);
1396                         dstream<<videomode_res.Width<<"x"<<videomode_res.Height
1397                                         <<"x"<<videomode_depth<<std::endl;
1398                 }
1399
1400                 dstream<<_("Active video mode (WxHxD):")<<std::endl;
1401                 videomode_res = videomode_list->getDesktopResolution();
1402                 videomode_depth = videomode_list->getDesktopDepth();
1403                 dstream<<videomode_res.Width<<"x"<<videomode_res.Height
1404                                 <<"x"<<videomode_depth<<std::endl;
1405
1406                 nulldevice->drop();
1407
1408                 return 0;
1409         }
1410
1411         /*
1412                 Create device and exit if creation failed
1413         */
1414
1415         IrrlichtDevice *device;
1416
1417         SIrrlichtCreationParameters params = SIrrlichtCreationParameters();
1418         params.DriverType    = driverType;
1419         params.WindowSize    = core::dimension2d<u32>(screenW, screenH);
1420         params.Bits          = bits;
1421         params.AntiAlias     = fsaa;
1422         params.Fullscreen    = fullscreen;
1423         params.Stencilbuffer = false;
1424         params.Vsync         = vsync;
1425         params.EventReceiver = &receiver;
1426         params.HighPrecisionFPU = g_settings->getBool("high_precision_fpu");
1427
1428         device = createDeviceEx(params);
1429
1430         if (device == 0)
1431                 return 1; // could not create selected driver.
1432
1433         /*
1434                 Continue initialization
1435         */
1436
1437         video::IVideoDriver* driver = device->getVideoDriver();
1438
1439         /*
1440                 This changes the minimum allowed number of vertices in a VBO.
1441                 Default is 500.
1442         */
1443         //driver->setMinHardwareBufferVertexCount(50);
1444
1445         // Create time getter
1446         g_timegetter = new IrrlichtTimeGetter(device);
1447
1448         // Create game callback for menus
1449         g_gamecallback = new MainGameCallback(device);
1450
1451         /*
1452                 Speed tests (done after irrlicht is loaded to get timer)
1453         */
1454         if(cmd_args.getFlag("speedtests"))
1455         {
1456                 dstream<<"Running speed tests"<<std::endl;
1457                 SpeedTests();
1458                 device->drop();
1459                 return 0;
1460         }
1461
1462         device->setResizable(true);
1463
1464         bool random_input = g_settings->getBool("random_input")
1465                         || cmd_args.getFlag("random-input");
1466         InputHandler *input = NULL;
1467         if(random_input)
1468                 input = new RandomInputHandler();
1469         else
1470                 input = new RealInputHandler(device, &receiver);
1471
1472         scene::ISceneManager* smgr = device->getSceneManager();
1473
1474         guienv = device->getGUIEnvironment();
1475         gui::IGUISkin* skin = guienv->getSkin();
1476         std::string font_path = g_settings->get("font_path");
1477         gui::IGUIFont *font;
1478         bool use_freetype = g_settings->getBool("freetype");
1479         #if USE_FREETYPE
1480         if (use_freetype) {
1481                 std::string fallback;
1482                 if (is_yes(gettext("needs_fallback_font")))
1483                         fallback = "fallback_";
1484                 u16 font_size = g_settings->getU16(fallback + "font_size");
1485                 font_path = g_settings->get(fallback + "font_path");
1486                 font = gui::CGUITTFont::createTTFont(guienv, font_path.c_str(), font_size);
1487         } else {
1488                 font = guienv->getFont(font_path.c_str());
1489         }
1490         #else
1491         font = guienv->getFont(font_path.c_str());
1492         #endif
1493         if(font)
1494                 skin->setFont(font);
1495         else
1496                 errorstream<<"WARNING: Font file was not found."
1497                                 " Using default font."<<std::endl;
1498         // If font was not found, this will get us one
1499         font = skin->getFont();
1500         assert(font);
1501
1502         u32 text_height = font->getDimension(L"Hello, world!").Height;
1503         infostream<<"text_height="<<text_height<<std::endl;
1504
1505         //skin->setColor(gui::EGDC_BUTTON_TEXT, video::SColor(255,0,0,0));
1506         skin->setColor(gui::EGDC_BUTTON_TEXT, video::SColor(255,255,255,255));
1507         //skin->setColor(gui::EGDC_3D_HIGH_LIGHT, video::SColor(0,0,0,0));
1508         //skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(0,0,0,0));
1509         skin->setColor(gui::EGDC_3D_HIGH_LIGHT, video::SColor(255,0,0,0));
1510         skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(255,0,0,0));
1511         skin->setColor(gui::EGDC_HIGH_LIGHT, video::SColor(255,70,100,50));
1512         skin->setColor(gui::EGDC_HIGH_LIGHT_TEXT, video::SColor(255,255,255,255));
1513
1514 #if (IRRLICHT_VERSION_MAJOR >= 1 && IRRLICHT_VERSION_MINOR >= 8) || IRRLICHT_VERSION_MAJOR >= 2
1515         // Irrlicht 1.8 input colours
1516         skin->setColor(gui::EGDC_EDITABLE, video::SColor(255,128,128,128));
1517         skin->setColor(gui::EGDC_FOCUSED_EDITABLE, video::SColor(255,96,134,49));
1518 #endif
1519
1520
1521         // Create the menu clouds
1522         if (!g_menucloudsmgr)
1523                 g_menucloudsmgr = smgr->createNewSceneManager();
1524         if (!g_menuclouds)
1525                 g_menuclouds = new Clouds(g_menucloudsmgr->getRootSceneNode(),
1526                         g_menucloudsmgr, -1, rand(), 100);
1527         g_menuclouds->update(v2f(0, 0), video::SColor(255,200,200,255));
1528         scene::ICameraSceneNode* camera;
1529         camera = g_menucloudsmgr->addCameraSceneNode(0,
1530                                 v3f(0,0,0), v3f(0, 60, 100));
1531         camera->setFarValue(10000);
1532
1533         /*
1534                 GUI stuff
1535         */
1536
1537         ChatBackend chat_backend;
1538
1539         /*
1540                 If an error occurs, this is set to something and the
1541                 menu-game loop is restarted. It is then displayed before
1542                 the menu.
1543         */
1544         std::wstring error_message = L"";
1545
1546         // The password entered during the menu screen,
1547         std::string password;
1548
1549         bool first_loop = true;
1550
1551         /*
1552                 Menu-game loop
1553         */
1554         while(device->run() && kill == false)
1555         {
1556                 // Set the window caption
1557                 wchar_t* text = wgettext("Main Menu");
1558                 device->setWindowCaption((std::wstring(L"Minetest [")+text+L"]").c_str());
1559                 delete[] text;
1560
1561                 // This is used for catching disconnects
1562                 try
1563                 {
1564
1565                         /*
1566                                 Clear everything from the GUIEnvironment
1567                         */
1568                         guienv->clear();
1569
1570                         /*
1571                                 We need some kind of a root node to be able to add
1572                                 custom gui elements directly on the screen.
1573                                 Otherwise they won't be automatically drawn.
1574                         */
1575                         guiroot = guienv->addStaticText(L"",
1576                                         core::rect<s32>(0, 0, 10000, 10000));
1577
1578                         SubgameSpec gamespec;
1579                         WorldSpec worldspec;
1580                         bool simple_singleplayer_mode = false;
1581
1582                         // These are set up based on the menu and other things
1583                         std::string current_playername = "inv£lid";
1584                         std::string current_password = "";
1585                         std::string current_address = "does-not-exist";
1586                         int current_port = 0;
1587
1588                         /*
1589                                 Out-of-game menu loop.
1590
1591                                 Loop quits when menu returns proper parameters.
1592                         */
1593                         while(kill == false)
1594                         {
1595                                 // If skip_main_menu, only go through here once
1596                                 if(skip_main_menu && !first_loop){
1597                                         kill = true;
1598                                         break;
1599                                 }
1600                                 first_loop = false;
1601
1602                                 // Cursor can be non-visible when coming from the game
1603                                 device->getCursorControl()->setVisible(true);
1604                                 // Some stuff are left to scene manager when coming from the game
1605                                 // (map at least?)
1606                                 smgr->clear();
1607
1608                                 // Initialize menu data
1609                                 MainMenuData menudata;
1610                                 menudata.address = address;
1611                                 menudata.name = playername;
1612                                 menudata.port = itos(port);
1613                                 menudata.errormessage = wide_to_narrow(error_message);
1614                                 error_message = L"";
1615                                 if(cmd_args.exists("password"))
1616                                         menudata.password = cmd_args.get("password");
1617
1618                                 driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, g_settings->getBool("mip_map"));
1619
1620                                 menudata.enable_public = g_settings->getBool("server_announce");
1621
1622                                 std::vector<WorldSpec> worldspecs = getAvailableWorlds();
1623
1624                                 // If a world was commanded, append and select it
1625                                 if(commanded_world != ""){
1626
1627                                         std::string gameid = getWorldGameId(commanded_world, true);
1628                                         std::string name = _("[--world parameter]");
1629                                         if(gameid == ""){
1630                                                 gameid = g_settings->get("default_game");
1631                                                 name += " [new]";
1632                                         }
1633                                         //TODO find within worldspecs and set config
1634                                 }
1635
1636                                 if(skip_main_menu == false)
1637                                 {
1638                                         video::IVideoDriver* driver = device->getVideoDriver();
1639
1640                                         infostream<<"Waiting for other menus"<<std::endl;
1641                                         while(device->run() && kill == false)
1642                                         {
1643                                                 if(noMenuActive())
1644                                                         break;
1645                                                 driver->beginScene(true, true,
1646                                                                 video::SColor(255,128,128,128));
1647                                                 guienv->drawAll();
1648                                                 driver->endScene();
1649                                                 // On some computers framerate doesn't seem to be
1650                                                 // automatically limited
1651                                                 sleep_ms(25);
1652                                         }
1653                                         infostream<<"Waited for other menus"<<std::endl;
1654
1655                                         GUIEngine* temp = new GUIEngine(device, guiroot, &g_menumgr,smgr,&menudata,kill);
1656
1657                                         delete temp;
1658                                         //once finished you'll never end up here
1659                                         smgr->clear();
1660                                 }
1661
1662                                 if(menudata.errormessage != ""){
1663                                         error_message = narrow_to_wide(menudata.errormessage);
1664                                         continue;
1665                                 }
1666
1667                                 //update worldspecs (necessary as new world may have been created)
1668                                 worldspecs = getAvailableWorlds();
1669
1670                                 if (menudata.name == "")
1671                                         menudata.name = std::string("Guest") + itos(myrand_range(1000,9999));
1672                                 else
1673                                         playername = menudata.name;
1674
1675                                 password = translatePassword(playername, narrow_to_wide(menudata.password));
1676                                 //infostream<<"Main: password hash: '"<<password<<"'"<<std::endl;
1677
1678                                 address = menudata.address;
1679                                 int newport = stoi(menudata.port);
1680                                 if(newport != 0)
1681                                         port = newport;
1682
1683                                 simple_singleplayer_mode = menudata.simple_singleplayer_mode;
1684
1685                                 // Save settings
1686                                 g_settings->set("name", playername);
1687                                 g_settings->set("address", address);
1688                                 g_settings->set("port", itos(port));
1689
1690                                 if((menudata.selected_world >= 0) &&
1691                                                 (menudata.selected_world < worldspecs.size()))
1692                                         g_settings->set("selected_world_path",
1693                                                         worldspecs[menudata.selected_world].path);
1694
1695                                 // Break out of menu-game loop to shut down cleanly
1696                                 if(device->run() == false || kill == true)
1697                                         break;
1698
1699                                 current_playername = playername;
1700                                 current_password = password;
1701                                 current_address = address;
1702                                 current_port = port;
1703
1704                                 // If using simple singleplayer mode, override
1705                                 if(simple_singleplayer_mode){
1706                                         current_playername = "singleplayer";
1707                                         current_password = "";
1708                                         current_address = "";
1709                                         current_port = myrand_range(49152, 65535);
1710                                 }
1711                                 else if (address != "")
1712                                 {
1713                                         ServerListSpec server;
1714                                         server["name"] = menudata.servername;
1715                                         server["address"] = menudata.address;
1716                                         server["port"] = menudata.port;
1717                                         server["description"] = menudata.serverdescription;
1718                                         ServerList::insert(server);
1719                                 }
1720
1721                                 // Set world path to selected one
1722                                 if ((menudata.selected_world >= 0) &&
1723                                         (menudata.selected_world < worldspecs.size())) {
1724                                         worldspec = worldspecs[menudata.selected_world];
1725                                         infostream<<"Selected world: "<<worldspec.name
1726                                                         <<" ["<<worldspec.path<<"]"<<std::endl;
1727                                 }
1728
1729                                 // If local game
1730                                 if(current_address == "")
1731                                 {
1732                                         if(menudata.selected_world == -1){
1733                                                 error_message = wgettext("No world selected and no address "
1734                                                                 "provided. Nothing to do.");
1735                                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1736                                                 continue;
1737                                         }
1738                                         // Load gamespec for required game
1739                                         gamespec = findWorldSubgame(worldspec.path);
1740                                         if(!gamespec.isValid() && !commanded_gamespec.isValid()){
1741                                                 error_message = wgettext("Could not find or load game \"")
1742                                                                 + narrow_to_wide(worldspec.gameid) + L"\"";
1743                                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1744                                                 continue;
1745                                         }
1746                                         if(commanded_gamespec.isValid() &&
1747                                                         commanded_gamespec.id != worldspec.gameid){
1748                                                 errorstream<<"WARNING: Overriding gamespec from \""
1749                                                                 <<worldspec.gameid<<"\" to \""
1750                                                                 <<commanded_gamespec.id<<"\""<<std::endl;
1751                                                 gamespec = commanded_gamespec;
1752                                         }
1753
1754                                         if(!gamespec.isValid()){
1755                                                 error_message = wgettext("Invalid gamespec.");
1756                                                 error_message += L" (world_gameid="
1757                                                                 +narrow_to_wide(worldspec.gameid)+L")";
1758                                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1759                                                 continue;
1760                                         }
1761                                 }
1762
1763                                 // Continue to game
1764                                 break;
1765                         }
1766
1767                         // Break out of menu-game loop to shut down cleanly
1768                         if(device->run() == false || kill == true) {
1769                                 if(g_settings_path != "") {
1770                                         g_settings->updateConfigFile(
1771                                                 g_settings_path.c_str());
1772                                 }
1773                                 break;
1774                         }
1775
1776                         /*
1777                                 Run game
1778                         */
1779                         the_game(
1780                                 kill,
1781                                 random_input,
1782                                 input,
1783                                 device,
1784                                 font,
1785                                 worldspec.path,
1786                                 current_playername,
1787                                 current_password,
1788                                 current_address,
1789                                 current_port,
1790                                 error_message,
1791                                 chat_backend,
1792                                 gamespec,
1793                                 simple_singleplayer_mode
1794                         );
1795                         smgr->clear();
1796
1797                 } //try
1798                 catch(con::PeerNotFoundException &e)
1799                 {
1800                         error_message = wgettext("Connection error (timed out?)");
1801                         errorstream<<wide_to_narrow(error_message)<<std::endl;
1802                 }
1803 #ifdef NDEBUG
1804                 catch(std::exception &e)
1805                 {
1806                         std::string narrow_message = "Some exception: \"";
1807                         narrow_message += e.what();
1808                         narrow_message += "\"";
1809                         errorstream<<narrow_message<<std::endl;
1810                         error_message = narrow_to_wide(narrow_message);
1811                 }
1812 #endif
1813
1814                 // If no main menu, show error and exit
1815                 if(skip_main_menu)
1816                 {
1817                         if(error_message != L""){
1818                                 verbosestream<<"error_message = "
1819                                                 <<wide_to_narrow(error_message)<<std::endl;
1820                                 retval = 1;
1821                         }
1822                         break;
1823                 }
1824         } // Menu-game loop
1825
1826
1827         g_menuclouds->drop();
1828         g_menucloudsmgr->drop();
1829
1830         delete input;
1831
1832         /*
1833                 In the end, delete the Irrlicht device.
1834         */
1835         device->drop();
1836
1837 #if USE_FREETYPE
1838         if (use_freetype)
1839                 font->drop();
1840 #endif
1841
1842 #endif // !SERVER
1843
1844         // Update configuration file
1845         if(g_settings_path != "")
1846                 g_settings->updateConfigFile(g_settings_path.c_str());
1847
1848         // Print modified quicktune values
1849         {
1850                 bool header_printed = false;
1851                 std::vector<std::string> names = getQuicktuneNames();
1852                 for(u32 i=0; i<names.size(); i++){
1853                         QuicktuneValue val = getQuicktuneValue(names[i]);
1854                         if(!val.modified)
1855                                 continue;
1856                         if(!header_printed){
1857                                 dstream<<"Modified quicktune values:"<<std::endl;
1858                                 header_printed = true;
1859                         }
1860                         dstream<<names[i]<<" = "<<val.getString()<<std::endl;
1861                 }
1862         }
1863
1864         END_DEBUG_EXCEPTION_HANDLER(errorstream)
1865
1866         debugstreams_deinit();
1867
1868         return retval;
1869 }
1870
1871 //END
1872