src/main.cpp

   1 /*
   2 Minetest-c55
   3 Copyright (C) 2010-2011 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 General Public License as published by
   7 the Free Software Foundation; either version 2 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 General Public License for more details.
  14
  15 You should have received a copy of the GNU 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 "common_irrlicht.h"
  51 #include "debug.h"
  52 #include "test.h"
  53 #include "server.h"
  54 #include "constants.h"
  55 #include "porting.h"
  56 #include "gettime.h"
  57 #include "guiMessageMenu.h"
  58 #include "filesys.h"
  59 #include "config.h"
  60 #include "guiMainMenu.h"
  61 #include "game.h"
  62 #include "keycode.h"
  63 #include "tile.h"
  64 #include "chat.h"
  65 #include "defaultsettings.h"
  66 #include "gettext.h"
  67 #include "settings.h"
  68 #include "profiler.h"
  69 #include "log.h"
  70 #include "mods.h"
  71 #include "utility_string.h"
  72 #include "subgame.h"
  73 #include "quicktune.h"
  74
  75 /*
  76         Settings.
  77         These are loaded from the config file.
  78 */
  79 Settings main_settings;
  80 Settings *g_settings = &main_settings;
  81
  82 // Global profiler
  83 Profiler main_profiler;
  84 Profiler *g_profiler = &main_profiler;
  85
  86 /*
  87         Debug streams
  88 */
  89
  90 // Connection
  91 std::ostream *dout_con_ptr = &dummyout;
  92 std::ostream *derr_con_ptr = &verbosestream;
  93 //std::ostream *dout_con_ptr = &infostream;
  94 //std::ostream *derr_con_ptr = &errorstream;
  95
  96 // Server
  97 std::ostream *dout_server_ptr = &infostream;
  98 std::ostream *derr_server_ptr = &errorstream;
  99
 100 // Client
 101 std::ostream *dout_client_ptr = &infostream;
 102 std::ostream *derr_client_ptr = &errorstream;
 103
 104 #ifndef SERVER
 105 /*
 106         Random stuff
 107 */
 108
 109 /* mainmenumanager.h */
 110
 111 gui::IGUIEnvironment* guienv = NULL;
 112 gui::IGUIStaticText *guiroot = NULL;
 113 MainMenuManager g_menumgr;
 114
 115 bool noMenuActive()
 116 {
 117         return (g_menumgr.menuCount() == 0);
 118 }
 119
 120 // Passed to menus to allow disconnecting and exiting
 121 MainGameCallback *g_gamecallback = NULL;
 122 #endif
 123
 124 /*
 125         gettime.h implementation
 126 */
 127
 128 #ifdef SERVER
 129
 130 u32 getTimeMs()
 131 {
 132         /* Use imprecise system calls directly (from porting.h) */
 133         return porting::getTimeMs();
 134 }
 135
 136 #else
 137
 138 // A small helper class
 139 class TimeGetter
 140 {
 141 public:
 142         virtual u32 getTime() = 0;
 143 };
 144
 145 // A precise irrlicht one
 146 class IrrlichtTimeGetter: public TimeGetter
 147 {
 148 public:
 149         IrrlichtTimeGetter(IrrlichtDevice *device):
 150                 m_device(device)
 151         {}
 152         u32 getTime()
 153         {
 154                 if(m_device == NULL)
 155                         return 0;
 156                 return m_device->getTimer()->getRealTime();
 157         }
 158 private:
 159         IrrlichtDevice *m_device;
 160 };
 161 // Not so precise one which works without irrlicht
 162 class SimpleTimeGetter: public TimeGetter
 163 {
 164 public:
 165         u32 getTime()
 166         {
 167                 return porting::getTimeMs();
 168         }
 169 };
 170
 171 // A pointer to a global instance of the time getter
 172 // TODO: why?
 173 TimeGetter *g_timegetter = NULL;
 174
 175 u32 getTimeMs()
 176 {
 177         if(g_timegetter == NULL)
 178                 return 0;
 179         return g_timegetter->getTime();
 180 }
 181
 182 #endif
 183
 184 class StderrLogOutput: public ILogOutput
 185 {
 186 public:
 187         /* line: Full line with timestamp, level and thread */
 188         void printLog(const std::string &line)
 189         {
 190                 std::cerr<<line<<std::endl;
 191         }
 192 } main_stderr_log_out;
 193
 194 class DstreamNoStderrLogOutput: public ILogOutput
 195 {
 196 public:
 197         /* line: Full line with timestamp, level and thread */
 198         void printLog(const std::string &line)
 199         {
 200                 dstream_no_stderr<<line<<std::endl;
 201         }
 202 } main_dstream_no_stderr_log_out;
 203
 204 #ifndef SERVER
 205
 206 /*
 207         Event handler for Irrlicht
 208
 209         NOTE: Everything possible should be moved out from here,
 210               probably to InputHandler and the_game
 211 */
 212
 213 class MyEventReceiver : public IEventReceiver
 214 {
 215 public:
 216         // This is the one method that we have to implement
 217         virtual bool OnEvent(const SEvent& event)
 218         {
 219                 /*
 220                         React to nothing here if a menu is active
 221                 */
 222                 if(noMenuActive() == false)
 223                 {
 224                         return false;
 225                 }
 226
 227                 // Remember whether each key is down or up
 228                 if(event.EventType == irr::EET_KEY_INPUT_EVENT)
 229                 {
 230                         if(event.KeyInput.PressedDown) {
 231                                 keyIsDown.set(event.KeyInput);
 232                                 keyWasDown.set(event.KeyInput);
 233                         } else {
 234                                 keyIsDown.unset(event.KeyInput);
 235                         }
 236                 }
 237
 238                 if(event.EventType == irr::EET_MOUSE_INPUT_EVENT)
 239                 {
 240                         if(noMenuActive() == false)
 241                         {
 242                                 left_active = false;
 243                                 middle_active = false;
 244                                 right_active = false;
 245                         }
 246                         else
 247                         {
 248                                 left_active = event.MouseInput.isLeftPressed();
 249                                 middle_active = event.MouseInput.isMiddlePressed();
 250                                 right_active = event.MouseInput.isRightPressed();
 251
 252                                 if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
 253                                 {
 254                                         leftclicked = true;
 255                                 }
 256                                 if(event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
 257                                 {
 258                                         rightclicked = true;
 259                                 }
 260                                 if(event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP)
 261                                 {
 262                                         leftreleased = true;
 263                                 }
 264                                 if(event.MouseInput.Event == EMIE_RMOUSE_LEFT_UP)
 265                                 {
 266                                         rightreleased = true;
 267                                 }
 268                                 if(event.MouseInput.Event == EMIE_MOUSE_WHEEL)
 269                                 {
 270                                         mouse_wheel += event.MouseInput.Wheel;
 271                                 }
 272                         }
 273                 }
 274
 275                 return false;
 276         }
 277
 278         bool IsKeyDown(const KeyPress &keyCode) const
 279         {
 280                 return keyIsDown[keyCode];
 281         }
 282
 283         // Checks whether a key was down and resets the state
 284         bool WasKeyDown(const KeyPress &keyCode)
 285         {
 286                 bool b = keyWasDown[keyCode];
 287                 if (b)
 288                         keyWasDown.unset(keyCode);
 289                 return b;
 290         }
 291
 292         s32 getMouseWheel()
 293         {
 294                 s32 a = mouse_wheel;
 295                 mouse_wheel = 0;
 296                 return a;
 297         }
 298
 299         void clearInput()
 300         {
 301                 keyIsDown.clear();
 302                 keyWasDown.clear();
 303
 304                 leftclicked = false;
 305                 rightclicked = false;
 306                 leftreleased = false;
 307                 rightreleased = false;
 308
 309                 left_active = false;
 310                 middle_active = false;
 311                 right_active = false;
 312
 313                 mouse_wheel = 0;
 314         }
 315
 316         MyEventReceiver()
 317         {
 318                 clearInput();
 319         }
 320
 321         bool leftclicked;
 322         bool rightclicked;
 323         bool leftreleased;
 324         bool rightreleased;
 325
 326         bool left_active;
 327         bool middle_active;
 328         bool right_active;
 329
 330         s32 mouse_wheel;
 331
 332 private:
 333         IrrlichtDevice *m_device;
 334
 335         // The current state of keys
 336         KeyList keyIsDown;
 337         // Whether a key has been pressed or not
 338         KeyList keyWasDown;
 339 };
 340
 341 /*
 342         Separated input handler
 343 */
 344
 345 class RealInputHandler : public InputHandler
 346 {
 347 public:
 348         RealInputHandler(IrrlichtDevice *device, MyEventReceiver *receiver):
 349                 m_device(device),
 350                 m_receiver(receiver)
 351         {
 352         }
 353         virtual bool isKeyDown(const KeyPress &keyCode)
 354         {
 355                 return m_receiver->IsKeyDown(keyCode);
 356         }
 357         virtual bool wasKeyDown(const KeyPress &keyCode)
 358         {
 359                 return m_receiver->WasKeyDown(keyCode);
 360         }
 361         virtual v2s32 getMousePos()
 362         {
 363                 return m_device->getCursorControl()->getPosition();
 364         }
 365         virtual void setMousePos(s32 x, s32 y)
 366         {
 367                 m_device->getCursorControl()->setPosition(x, y);
 368         }
 369
 370         virtual bool getLeftState()
 371         {
 372                 return m_receiver->left_active;
 373         }
 374         virtual bool getRightState()
 375         {
 376                 return m_receiver->right_active;
 377         }
 378
 379         virtual bool getLeftClicked()
 380         {
 381                 return m_receiver->leftclicked;
 382         }
 383         virtual bool getRightClicked()
 384         {
 385                 return m_receiver->rightclicked;
 386         }
 387         virtual void resetLeftClicked()
 388         {
 389                 m_receiver->leftclicked = false;
 390         }
 391         virtual void resetRightClicked()
 392         {
 393                 m_receiver->rightclicked = false;
 394         }
 395
 396         virtual bool getLeftReleased()
 397         {
 398                 return m_receiver->leftreleased;
 399         }
 400         virtual bool getRightReleased()
 401         {
 402                 return m_receiver->rightreleased;
 403         }
 404         virtual void resetLeftReleased()
 405         {
 406                 m_receiver->leftreleased = false;
 407         }
 408         virtual void resetRightReleased()
 409         {
 410                 m_receiver->rightreleased = false;
 411         }
 412
 413         virtual s32 getMouseWheel()
 414         {
 415                 return m_receiver->getMouseWheel();
 416         }
 417
 418         void clear()
 419         {
 420                 m_receiver->clearInput();
 421         }
 422 private:
 423         IrrlichtDevice *m_device;
 424         MyEventReceiver *m_receiver;
 425 };
 426
 427 class RandomInputHandler : public InputHandler
 428 {
 429 public:
 430         RandomInputHandler()
 431         {
 432                 leftdown = false;
 433                 rightdown = false;
 434                 leftclicked = false;
 435                 rightclicked = false;
 436                 leftreleased = false;
 437                 rightreleased = false;
 438                 keydown.clear();
 439         }
 440         virtual bool isKeyDown(const KeyPress &keyCode)
 441         {
 442                 return keydown[keyCode];
 443         }
 444         virtual bool wasKeyDown(const KeyPress &keyCode)
 445         {
 446                 return false;
 447         }
 448         virtual v2s32 getMousePos()
 449         {
 450                 return mousepos;
 451         }
 452         virtual void setMousePos(s32 x, s32 y)
 453         {
 454                 mousepos = v2s32(x,y);
 455         }
 456
 457         virtual bool getLeftState()
 458         {
 459                 return leftdown;
 460         }
 461         virtual bool getRightState()
 462         {
 463                 return rightdown;
 464         }
 465
 466         virtual bool getLeftClicked()
 467         {
 468                 return leftclicked;
 469         }
 470         virtual bool getRightClicked()
 471         {
 472                 return rightclicked;
 473         }
 474         virtual void resetLeftClicked()
 475         {
 476                 leftclicked = false;
 477         }
 478         virtual void resetRightClicked()
 479         {
 480                 rightclicked = false;
 481         }
 482
 483         virtual bool getLeftReleased()
 484         {
 485                 return leftreleased;
 486         }
 487         virtual bool getRightReleased()
 488         {
 489                 return rightreleased;
 490         }
 491         virtual void resetLeftReleased()
 492         {
 493                 leftreleased = false;
 494         }
 495         virtual void resetRightReleased()
 496         {
 497                 rightreleased = false;
 498         }
 499
 500         virtual s32 getMouseWheel()
 501         {
 502                 return 0;
 503         }
 504
 505         virtual void step(float dtime)
 506         {
 507                 {
 508                         static float counter1 = 0;
 509                         counter1 -= dtime;
 510                         if(counter1 < 0.0)
 511                         {
 512                                 counter1 = 0.1*Rand(1, 40);
 513                                 keydown.toggle(getKeySetting("keymap_jump"));
 514                         }
 515                 }
 516                 {
 517                         static float counter1 = 0;
 518                         counter1 -= dtime;
 519                         if(counter1 < 0.0)
 520                         {
 521                                 counter1 = 0.1*Rand(1, 40);
 522                                 keydown.toggle(getKeySetting("keymap_special1"));
 523                         }
 524                 }
 525                 {
 526                         static float counter1 = 0;
 527                         counter1 -= dtime;
 528                         if(counter1 < 0.0)
 529                         {
 530                                 counter1 = 0.1*Rand(1, 40);
 531                                 keydown.toggle(getKeySetting("keymap_forward"));
 532                         }
 533                 }
 534                 {
 535                         static float counter1 = 0;
 536                         counter1 -= dtime;
 537                         if(counter1 < 0.0)
 538                         {
 539                                 counter1 = 0.1*Rand(1, 40);
 540                                 keydown.toggle(getKeySetting("keymap_left"));
 541                         }
 542                 }
 543                 {
 544                         static float counter1 = 0;
 545                         counter1 -= dtime;
 546                         if(counter1 < 0.0)
 547                         {
 548                                 counter1 = 0.1*Rand(1, 20);
 549                                 mousespeed = v2s32(Rand(-20,20), Rand(-15,20));
 550                         }
 551                 }
 552                 {
 553                         static float counter1 = 0;
 554                         counter1 -= dtime;
 555                         if(counter1 < 0.0)
 556                         {
 557                                 counter1 = 0.1*Rand(1, 30);
 558                                 leftdown = !leftdown;
 559                                 if(leftdown)
 560                                         leftclicked = true;
 561                                 if(!leftdown)
 562                                         leftreleased = true;
 563                         }
 564                 }
 565                 {
 566                         static float counter1 = 0;
 567                         counter1 -= dtime;
 568                         if(counter1 < 0.0)
 569                         {
 570                                 counter1 = 0.1*Rand(1, 15);
 571                                 rightdown = !rightdown;
 572                                 if(rightdown)
 573                                         rightclicked = true;
 574                                 if(!rightdown)
 575                                         rightreleased = true;
 576                         }
 577                 }
 578                 mousepos += mousespeed;
 579         }
 580
 581         s32 Rand(s32 min, s32 max)
 582         {
 583                 return (myrand()%(max-min+1))+min;
 584         }
 585 private:
 586         KeyList keydown;
 587         v2s32 mousepos;
 588         v2s32 mousespeed;
 589         bool leftdown;
 590         bool rightdown;
 591         bool leftclicked;
 592         bool rightclicked;
 593         bool leftreleased;
 594         bool rightreleased;
 595 };
 596
 597 void drawMenuBackground(video::IVideoDriver* driver)
 598 {
 599         core::dimension2d<u32> screensize = driver->getScreenSize();
 600
 601         video::ITexture *bgtexture =
 602                         driver->getTexture(getTexturePath("menubg.png").c_str());
 603         if(bgtexture)
 604         {
 605                 s32 scaledsize = 128;
 606
 607                 // The important difference between destsize and screensize is
 608                 // that destsize is rounded to whole scaled pixels.
 609                 // These formulas use component-wise multiplication and division of v2u32.
 610                 v2u32 texturesize = bgtexture->getSize();
 611                 v2u32 sourcesize = texturesize * screensize / scaledsize + v2u32(1,1);
 612                 v2u32 destsize = scaledsize * sourcesize / texturesize;
 613
 614                 // Default texture wrapping mode in Irrlicht is ETC_REPEAT.
 615                 driver->draw2DImage(bgtexture,
 616                         core::rect<s32>(0, 0, destsize.X, destsize.Y),
 617                         core::rect<s32>(0, 0, sourcesize.X, sourcesize.Y),
 618                         NULL, NULL, true);
 619         }
 620
 621         video::ITexture *logotexture =
 622                         driver->getTexture(getTexturePath("menulogo.png").c_str());
 623         if(logotexture)
 624         {
 625                 v2s32 logosize(logotexture->getOriginalSize().Width,
 626                                 logotexture->getOriginalSize().Height);
 627                 logosize *= 4;
 628
 629                 video::SColor bgcolor(255,50,50,50);
 630                 core::rect<s32> bgrect(0, screensize.Height-logosize.Y-20,
 631                                 screensize.Width, screensize.Height);
 632                 driver->draw2DRectangle(bgcolor, bgrect, NULL);
 633
 634                 core::rect<s32> rect(0,0,logosize.X,logosize.Y);
 635                 rect += v2s32(screensize.Width/2,screensize.Height-10-logosize.Y);
 636                 rect -= v2s32(logosize.X/2, 0);
 637                 driver->draw2DImage(logotexture, rect,
 638                         core::rect<s32>(core::position2d<s32>(0,0),
 639                         core::dimension2di(logotexture->getSize())),
 640                         NULL, NULL, true);
 641         }
 642 }
 643
 644 #endif
 645
 646 // These are defined global so that they're not optimized too much.
 647 // Can't change them to volatile.
 648 s16 temp16;
 649 f32 tempf;
 650 v3f tempv3f1;
 651 v3f tempv3f2;
 652 std::string tempstring;
 653 std::string tempstring2;
 654
 655 void SpeedTests()
 656 {
 657         {
 658                 infostream<<"The following test should take around 20ms."<<std::endl;
 659                 TimeTaker timer("Testing std::string speed");
 660                 const u32 jj = 10000;
 661                 for(u32 j=0; j<jj; j++)
 662                 {
 663                         tempstring = "";
 664                         tempstring2 = "";
 665                         const u32 ii = 10;
 666                         for(u32 i=0; i<ii; i++){
 667                                 tempstring2 += "asd";
 668                         }
 669                         for(u32 i=0; i<ii+1; i++){
 670                                 tempstring += "asd";
 671                                 if(tempstring == tempstring2)
 672                                         break;
 673                         }
 674                 }
 675         }
 676
 677         infostream<<"All of the following tests should take around 100ms each."
 678                         <<std::endl;
 679
 680         {
 681                 TimeTaker timer("Testing floating-point conversion speed");
 682                 tempf = 0.001;
 683                 for(u32 i=0; i<4000000; i++){
 684                         temp16 += tempf;
 685                         tempf += 0.001;
 686                 }
 687         }
 688
 689         {
 690                 TimeTaker timer("Testing floating-point vector speed");
 691
 692                 tempv3f1 = v3f(1,2,3);
 693                 tempv3f2 = v3f(4,5,6);
 694                 for(u32 i=0; i<10000000; i++){
 695                         tempf += tempv3f1.dotProduct(tempv3f2);
 696                         tempv3f2 += v3f(7,8,9);
 697                 }
 698         }
 699
 700         {
 701                 TimeTaker timer("Testing core::map speed");
 702
 703                 core::map<v2s16, f32> map1;
 704                 tempf = -324;
 705                 const s16 ii=300;
 706                 for(s16 y=0; y<ii; y++){
 707                         for(s16 x=0; x<ii; x++){
 708                                 map1.insert(v2s16(x,y), tempf);
 709                                 tempf += 1;
 710                         }
 711                 }
 712                 for(s16 y=ii-1; y>=0; y--){
 713                         for(s16 x=0; x<ii; x++){
 714                                 tempf = map1[v2s16(x,y)];
 715                         }
 716                 }
 717         }
 718
 719         {
 720                 infostream<<"Around 5000/ms should do well here."<<std::endl;
 721                 TimeTaker timer("Testing mutex speed");
 722
 723                 JMutex m;
 724                 m.Init();
 725                 u32 n = 0;
 726                 u32 i = 0;
 727                 do{
 728                         n += 10000;
 729                         for(; i<n; i++){
 730                                 m.Lock();
 731                                 m.Unlock();
 732                         }
 733                 }
 734                 // Do at least 10ms
 735                 while(timer.getTime() < 10);
 736
 737                 u32 dtime = timer.stop();
 738                 u32 per_ms = n / dtime;
 739                 infostream<<"Done. "<<dtime<<"ms, "
 740                                 <<per_ms<<"/ms"<<std::endl;
 741         }
 742 }
 743
 744 int main(int argc, char *argv[])
 745 {
 746         int retval = 0;
 747
 748         /*
 749                 Initialization
 750         */
 751
 752         log_add_output_maxlev(&main_stderr_log_out, LMT_ACTION);
 753         log_add_output_all_levs(&main_dstream_no_stderr_log_out);
 754
 755         log_register_thread("main");
 756
 757         // Set locale. This is for forcing '.' as the decimal point.
 758         std::locale::global(std::locale("C"));
 759         // This enables printing all characters in bitmap font
 760         setlocale(LC_CTYPE, "en_US");
 761
 762         /*
 763                 Parse command line
 764         */
 765
 766         // List all allowed options
 767         core::map<std::string, ValueSpec> allowed_options;
 768         allowed_options.insert("help", ValueSpec(VALUETYPE_FLAG,
 769                         "Show allowed options"));
 770         allowed_options.insert("config", ValueSpec(VALUETYPE_STRING,
 771                         "Load configuration from specified file"));
 772         allowed_options.insert("port", ValueSpec(VALUETYPE_STRING,
 773                         "Set network port (UDP)"));
 774         allowed_options.insert("disable-unittests", ValueSpec(VALUETYPE_FLAG,
 775                         "Disable unit tests"));
 776         allowed_options.insert("enable-unittests", ValueSpec(VALUETYPE_FLAG,
 777                         "Enable unit tests"));
 778         allowed_options.insert("map-dir", ValueSpec(VALUETYPE_STRING,
 779                         "Same as --world (deprecated)"));
 780         allowed_options.insert("world", ValueSpec(VALUETYPE_STRING,
 781                         "Set world path (implies local game)"));
 782         allowed_options.insert("verbose", ValueSpec(VALUETYPE_FLAG,
 783                         "Print more information to console"));
 784         allowed_options.insert("logfile", ValueSpec(VALUETYPE_STRING,
 785                         "Set logfile path ('' = no logging)"));
 786         allowed_options.insert("gameid", ValueSpec(VALUETYPE_STRING,
 787                         "Set gameid (\"--gameid list\" prints available ones)"));
 788 #ifndef SERVER
 789         allowed_options.insert("speedtests", ValueSpec(VALUETYPE_FLAG,
 790                         "Run speed tests"));
 791         allowed_options.insert("address", ValueSpec(VALUETYPE_STRING,
 792                         "Address to connect to. ('' = local game)"));
 793         allowed_options.insert("random-input", ValueSpec(VALUETYPE_FLAG,
 794                         "Enable random user input, for testing"));
 795         allowed_options.insert("server", ValueSpec(VALUETYPE_FLAG,
 796                         "Run dedicated server"));
 797         allowed_options.insert("name", ValueSpec(VALUETYPE_STRING,
 798                         "Set player name"));
 799         allowed_options.insert("password", ValueSpec(VALUETYPE_STRING,
 800                         "Set password"));
 801         allowed_options.insert("go", ValueSpec(VALUETYPE_FLAG,
 802                         "Disable main menu"));
 803 #endif
 804
 805         Settings cmd_args;
 806
 807         bool ret = cmd_args.parseCommandLine(argc, argv, allowed_options);
 808
 809         if(ret == false || cmd_args.getFlag("help") || cmd_args.exists("nonopt1"))
 810         {
 811                 dstream<<"Allowed options:"<<std::endl;
 812                 for(core::map<std::string, ValueSpec>::Iterator
 813                                 i = allowed_options.getIterator();
 814                                 i.atEnd() == false; i++)
 815                 {
 816                         std::ostringstream os1(std::ios::binary);
 817                         os1<<"  --"<<i.getNode()->getKey();
 818                         if(i.getNode()->getValue().type == VALUETYPE_FLAG)
 819                                 {}
 820                         else
 821                                 os1<<" <value>";
 822                         dstream<<padStringRight(os1.str(), 24);
 823
 824                         if(i.getNode()->getValue().help != NULL)
 825                                 dstream<<i.getNode()->getValue().help;
 826                         dstream<<std::endl;
 827                 }
 828
 829                 return cmd_args.getFlag("help") ? 0 : 1;
 830         }
 831
 832         /*
 833                 Low-level initialization
 834         */
 835
 836         // In certain cases, output info level on stderr
 837         if(cmd_args.getFlag("verbose") || cmd_args.getFlag("speedtests"))
 838                 log_add_output(&main_stderr_log_out, LMT_INFO);
 839
 840         porting::signal_handler_init();
 841         bool &kill = *porting::signal_handler_killstatus();
 842
 843         porting::initializePaths();
 844
 845         // Create user data directory
 846         fs::CreateDir(porting::path_user);
 847
 848         init_gettext((porting::path_share+DIR_DELIM+".."+DIR_DELIM+"locale").c_str());
 849
 850         // Initialize debug streams
 851 #ifdef RUN_IN_PLACE
 852         std::string logfile = DEBUGFILE;
 853 #else
 854         std::string logfile = porting::path_user+DIR_DELIM+DEBUGFILE;
 855 #endif
 856         if(cmd_args.exists("logfile"))
 857                 logfile = cmd_args.get("logfile");
 858         if(logfile != "")
 859                 debugstreams_init(false, logfile.c_str());
 860         else
 861                 debugstreams_init(false, NULL);
 862
 863         infostream<<"logfile    = "<<logfile<<std::endl;
 864         infostream<<"path_share = "<<porting::path_share<<std::endl;
 865         infostream<<"path_user  = "<<porting::path_user<<std::endl;
 866
 867         // Initialize debug stacks
 868         debug_stacks_init();
 869         DSTACK(__FUNCTION_NAME);
 870
 871         // Debug handler
 872         BEGIN_DEBUG_EXCEPTION_HANDLER
 873
 874         // List gameids if requested
 875         if(cmd_args.exists("gameid") && cmd_args.get("gameid") == "list")
 876         {
 877                 std::set<std::string> gameids = getAvailableGameIds();
 878                 for(std::set<std::string>::const_iterator i = gameids.begin();
 879                                 i != gameids.end(); i++)
 880                         dstream<<(*i)<<std::endl;
 881                 return 0;
 882         }
 883
 884         // Print startup message
 885         actionstream<<PROJECT_NAME<<
 886                         " with SER_FMT_VER_HIGHEST="<<(int)SER_FMT_VER_HIGHEST
 887                         <<", "<<BUILD_INFO
 888                         <<std::endl;
 889
 890         /*
 891                 Basic initialization
 892         */
 893
 894         // Initialize default settings
 895         set_default_settings(g_settings);
 896
 897         // Initialize sockets
 898         sockets_init();
 899         atexit(sockets_cleanup);
 900
 901         /*
 902                 Read config file
 903         */
 904
 905         // Path of configuration file in use
 906         std::string configpath = "";
 907
 908         if(cmd_args.exists("config"))
 909         {
 910                 bool r = g_settings->readConfigFile(cmd_args.get("config").c_str());
 911                 if(r == false)
 912                 {
 913                         errorstream<<"Could not read configuration from \""
 914                                         <<cmd_args.get("config")<<"\""<<std::endl;
 915                         return 1;
 916                 }
 917                 configpath = cmd_args.get("config");
 918         }
 919         else
 920         {
 921                 core::array<std::string> filenames;
 922                 filenames.push_back(porting::path_user +
 923                                 DIR_DELIM + "minetest.conf");
 924                 // Legacy configuration file location
 925                 filenames.push_back(porting::path_user +
 926                                 DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
 927 #ifdef RUN_IN_PLACE
 928                 // Try also from a lower level (to aid having the same configuration
 929                 // for many RUN_IN_PLACE installs)
 930                 filenames.push_back(porting::path_user +
 931                                 DIR_DELIM + ".." + DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
 932 #endif
 933
 934                 for(u32 i=0; i<filenames.size(); i++)
 935                 {
 936                         bool r = g_settings->readConfigFile(filenames[i].c_str());
 937                         if(r)
 938                         {
 939                                 configpath = filenames[i];
 940                                 break;
 941                         }
 942                 }
 943
 944                 // If no path found, use the first one (menu creates the file)
 945                 if(configpath == "")
 946                         configpath = filenames[0];
 947         }
 948
 949         // Initialize random seed
 950         srand(time(0));
 951         mysrand(time(0));
 952
 953         /*
 954                 Run unit tests
 955         */
 956
 957         if((ENABLE_TESTS && cmd_args.getFlag("disable-unittests") == false)
 958                         || cmd_args.getFlag("enable-unittests") == true)
 959         {
 960                 run_tests();
 961         }
 962
 963         /*
 964                 Game parameters
 965         */
 966
 967         // Port
 968         u16 port = 30000;
 969         if(cmd_args.exists("port"))
 970                 port = cmd_args.getU16("port");
 971         else if(g_settings->exists("port"))
 972                 port = g_settings->getU16("port");
 973         if(port == 0)
 974                 port = 30000;
 975
 976         // World directory
 977         std::string commanded_world = "";
 978         if(cmd_args.exists("world"))
 979                 commanded_world = cmd_args.get("world");
 980         else if(cmd_args.exists("map-dir"))
 981                 commanded_world = cmd_args.get("map-dir");
 982         else if(cmd_args.exists("nonopt0"))
 983                 commanded_world = cmd_args.get("nonopt0");
 984         else if(g_settings->exists("map-dir"))
 985                 commanded_world = g_settings->get("map-dir");
 986
 987         // Strip world.mt from commanded_world
 988         {
 989                 std::string worldmt = "world.mt";
 990                 if(commanded_world.size() > worldmt.size() &&
 991                                 commanded_world.substr(commanded_world.size()-worldmt.size())
 992                                 == worldmt){
 993                         dstream<<"Supplied world.mt file - stripping it off."<<std::endl;
 994                         commanded_world = commanded_world.substr(
 995                                         0, commanded_world.size()-worldmt.size());
 996                 }
 997         }
 998
 999         // Gamespec
1000         SubgameSpec commanded_gamespec;
1001         if(cmd_args.exists("gameid")){
1002                 std::string gameid = cmd_args.get("gameid");
1003                 commanded_gamespec = findSubgame(gameid);
1004                 if(!commanded_gamespec.isValid()){
1005                         errorstream<<"Game \""<<gameid<<"\" not found"<<std::endl;
1006                         return 1;
1007                 }
1008         }
1009
1010         /*
1011                 Run dedicated server if asked to or no other option
1012         */
1013 #ifdef SERVER
1014         bool run_dedicated_server = true;
1015 #else
1016         bool run_dedicated_server = cmd_args.getFlag("server");
1017 #endif
1018         if(run_dedicated_server)
1019         {
1020                 DSTACK("Dedicated server branch");
1021                 // Create time getter if built with Irrlicht
1022 #ifndef SERVER
1023                 g_timegetter = new SimpleTimeGetter();
1024 #endif
1025
1026                 // World directory
1027                 std::string world_path;
1028                 bool is_legacy_world = false;
1029                 if(commanded_world != ""){
1030                         world_path = commanded_world;
1031                 }
1032                 else{
1033                         // No specific world was commanded
1034                         // Check if the world is found from the default directory, and if
1035                         // not, see if the legacy world directory exists.
1036                         world_path = porting::path_user + DIR_DELIM + "server" + DIR_DELIM + "worlds" + DIR_DELIM + "world";
1037                         std::string legacy_world_path = porting::path_user+DIR_DELIM+".."+DIR_DELIM+"world";
1038                         if(!fs::PathExists(world_path) && fs::PathExists(legacy_world_path)){
1039                                 errorstream<<"Warning: Using legacy world directory \""
1040                                                 <<legacy_world_path<<"\""<<std::endl;
1041                                 world_path = legacy_world_path;
1042                                 is_legacy_world = true;
1043                         }
1044                 }
1045
1046                 // Gamespec
1047                 std::string world_gameid = getWorldGameId(world_path, is_legacy_world);
1048                 SubgameSpec gamespec = findSubgame(world_gameid);
1049                 if(commanded_gamespec.isValid() &&
1050                                 commanded_gamespec.id != world_gameid){
1051                         errorstream<<"WARNING: Overriding gameid from \""
1052                                         <<world_gameid<<"\" to \""
1053                                         <<commanded_gamespec.id<<"\""<<std::endl;
1054                         gamespec = commanded_gamespec;
1055                 }
1056
1057                 if(!gamespec.isValid()){
1058                         errorstream<<"Invalid gamespec. (world_gameid="
1059                                         <<world_gameid<<")"<<std::endl;
1060                         return 1;
1061                 }
1062
1063                 infostream<<"Using gamespec \""<<gamespec.id<<"\""<<std::endl;
1064
1065                 // Create server
1066                 Server server(world_path, configpath, gamespec);
1067                 server.start(port);
1068
1069                 // Run server
1070                 dedicated_server_loop(server, kill);
1071
1072                 return 0;
1073         }
1074
1075 #ifndef SERVER // Exclude from dedicated server build
1076
1077         /*
1078                 More parameters
1079         */
1080
1081         std::string address = g_settings->get("address");
1082         if(commanded_world != "")
1083                 address = "";
1084         else if(cmd_args.exists("address"))
1085                 address = cmd_args.get("address");
1086         else if(cmd_args.exists("world"))
1087                 address = "";
1088
1089         std::string playername = g_settings->get("name");
1090         if(cmd_args.exists("name"))
1091                 playername = cmd_args.get("name");
1092
1093         bool skip_main_menu = cmd_args.getFlag("go");
1094
1095         /*
1096                 Device initialization
1097         */
1098
1099         // Resolution selection
1100
1101         bool fullscreen = false;
1102         u16 screenW = g_settings->getU16("screenW");
1103         u16 screenH = g_settings->getU16("screenH");
1104
1105         // Determine driver
1106
1107         video::E_DRIVER_TYPE driverType;
1108
1109         std::string driverstring = g_settings->get("video_driver");
1110
1111         if(driverstring == "null")
1112                 driverType = video::EDT_NULL;
1113         else if(driverstring == "software")
1114                 driverType = video::EDT_SOFTWARE;
1115         else if(driverstring == "burningsvideo")
1116                 driverType = video::EDT_BURNINGSVIDEO;
1117         else if(driverstring == "direct3d8")
1118                 driverType = video::EDT_DIRECT3D8;
1119         else if(driverstring == "direct3d9")
1120                 driverType = video::EDT_DIRECT3D9;
1121         else if(driverstring == "opengl")
1122                 driverType = video::EDT_OPENGL;
1123         else
1124         {
1125                 errorstream<<"WARNING: Invalid video_driver specified; defaulting "
1126                                 "to opengl"<<std::endl;
1127                 driverType = video::EDT_OPENGL;
1128         }
1129
1130         /*
1131                 Create device and exit if creation failed
1132         */
1133
1134         MyEventReceiver receiver;
1135
1136         IrrlichtDevice *device;
1137         device = createDevice(driverType,
1138                         core::dimension2d<u32>(screenW, screenH),
1139                         16, fullscreen, false, false, &receiver);
1140
1141         if (device == 0)
1142                 return 1; // could not create selected driver.
1143
1144         /*
1145                 Continue initialization
1146         */
1147
1148         video::IVideoDriver* driver = device->getVideoDriver();
1149
1150         // Disable mipmaps (because some of them look ugly)
1151         driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, false);
1152
1153         /*
1154                 This changes the minimum allowed number of vertices in a VBO.
1155                 Default is 500.
1156         */
1157         //driver->setMinHardwareBufferVertexCount(50);
1158
1159         // Create time getter
1160         g_timegetter = new IrrlichtTimeGetter(device);
1161
1162         // Create game callback for menus
1163         g_gamecallback = new MainGameCallback(device);
1164
1165         /*
1166                 Speed tests (done after irrlicht is loaded to get timer)
1167         */
1168         if(cmd_args.getFlag("speedtests"))
1169         {
1170                 dstream<<"Running speed tests"<<std::endl;
1171                 SpeedTests();
1172                 return 0;
1173         }
1174
1175         device->setResizable(true);
1176
1177         bool random_input = g_settings->getBool("random_input")
1178                         || cmd_args.getFlag("random-input");
1179         InputHandler *input = NULL;
1180         if(random_input)
1181                 input = new RandomInputHandler();
1182         else
1183                 input = new RealInputHandler(device, &receiver);
1184
1185         scene::ISceneManager* smgr = device->getSceneManager();
1186
1187         guienv = device->getGUIEnvironment();
1188         gui::IGUISkin* skin = guienv->getSkin();
1189         gui::IGUIFont* font = guienv->getFont(getTexturePath("fontlucida.png").c_str());
1190         if(font)
1191                 skin->setFont(font);
1192         else
1193                 errorstream<<"WARNING: Font file was not found."
1194                                 " Using default font."<<std::endl;
1195         // If font was not found, this will get us one
1196         font = skin->getFont();
1197         assert(font);
1198
1199         u32 text_height = font->getDimension(L"Hello, world!").Height;
1200         infostream<<"text_height="<<text_height<<std::endl;
1201
1202         //skin->setColor(gui::EGDC_BUTTON_TEXT, video::SColor(255,0,0,0));
1203         skin->setColor(gui::EGDC_BUTTON_TEXT, video::SColor(255,255,255,255));
1204         //skin->setColor(gui::EGDC_3D_HIGH_LIGHT, video::SColor(0,0,0,0));
1205         //skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(0,0,0,0));
1206         skin->setColor(gui::EGDC_3D_HIGH_LIGHT, video::SColor(255,0,0,0));
1207         skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(255,0,0,0));
1208         skin->setColor(gui::EGDC_HIGH_LIGHT, video::SColor(255,70,100,50));
1209         skin->setColor(gui::EGDC_HIGH_LIGHT_TEXT, video::SColor(255,255,255,255));
1210
1211         /*
1212                 GUI stuff
1213         */
1214
1215         ChatBackend chat_backend;
1216
1217         /*
1218                 If an error occurs, this is set to something and the
1219                 menu-game loop is restarted. It is then displayed before
1220                 the menu.
1221         */
1222         std::wstring error_message = L"";
1223
1224         // The password entered during the menu screen,
1225         std::string password;
1226
1227         bool first_loop = true;
1228
1229         /*
1230                 Menu-game loop
1231         */
1232         while(device->run() && kill == false)
1233         {
1234                 // Set the window caption
1235                 device->setWindowCaption(L"Minetest [Main Menu]");
1236
1237                 // This is used for catching disconnects
1238                 try
1239                 {
1240
1241                         /*
1242                                 Clear everything from the GUIEnvironment
1243                         */
1244                         guienv->clear();
1245
1246                         /*
1247                                 We need some kind of a root node to be able to add
1248                                 custom gui elements directly on the screen.
1249                                 Otherwise they won't be automatically drawn.
1250                         */
1251                         guiroot = guienv->addStaticText(L"",
1252                                         core::rect<s32>(0, 0, 10000, 10000));
1253
1254                         SubgameSpec gamespec;
1255                         WorldSpec worldspec;
1256
1257                         /*
1258                                 Out-of-game menu loop.
1259
1260                                 Loop quits when menu returns proper parameters.
1261                         */
1262                         while(kill == false)
1263                         {
1264                                 // If skip_main_menu, only go through here once
1265                                 if(skip_main_menu && !first_loop){
1266                                         kill = true;
1267                                         break;
1268                                 }
1269                                 first_loop = false;
1270
1271                                 // Cursor can be non-visible when coming from the game
1272                                 device->getCursorControl()->setVisible(true);
1273                                 // Some stuff are left to scene manager when coming from the game
1274                                 // (map at least?)
1275                                 smgr->clear();
1276
1277                                 // Initialize menu data
1278                                 MainMenuData menudata;
1279                                 menudata.address = narrow_to_wide(address);
1280                                 menudata.name = narrow_to_wide(playername);
1281                                 menudata.port = narrow_to_wide(itos(port));
1282                                 if(cmd_args.exists("password"))
1283                                         menudata.password = narrow_to_wide(cmd_args.get("password"));
1284                                 menudata.fancy_trees = g_settings->getBool("new_style_leaves");
1285                                 menudata.smooth_lighting = g_settings->getBool("smooth_lighting");
1286                                 menudata.clouds_3d = g_settings->getBool("enable_3d_clouds");
1287                                 menudata.opaque_water = g_settings->getBool("opaque_water");
1288                                 menudata.creative_mode = g_settings->getBool("creative_mode");
1289                                 menudata.enable_damage = g_settings->getBool("enable_damage");
1290                                 // Default to selecting nothing
1291                                 menudata.selected_world = -1;
1292                                 // Get world listing for the menu
1293                                 std::vector<WorldSpec> worldspecs = getAvailableWorlds();
1294                                 // If there is only one world, select it
1295                                 if(worldspecs.size() == 1){
1296                                         menudata.selected_world = 0;
1297                                 }
1298                                 // Otherwise try to select according to selected_world_path
1299                                 else if(g_settings->exists("selected_world_path")){
1300                                         std::string trypath = g_settings->get("selected_world_path");
1301                                         for(u32 i=0; i<worldspecs.size(); i++){
1302                                                 if(worldspecs[i].path == trypath){
1303                                                         menudata.selected_world = i;
1304                                                         break;
1305                                                 }
1306                                         }
1307                                 }
1308                                 // If a world was commanded, append and select it
1309                                 if(commanded_world != ""){
1310                                         std::string gameid = getWorldGameId(commanded_world, true);
1311                                         std::string name = "[--world parameter]";
1312                                         if(gameid == ""){
1313                                                 gameid = g_settings->get("default_game");
1314                                                 name += " [new]";
1315                                         }
1316                                         WorldSpec spec(commanded_world, name, gameid);
1317                                         worldspecs.push_back(spec);
1318                                         menudata.selected_world = worldspecs.size()-1;
1319                                 }
1320                                 // Copy worldspecs to menu
1321                                 menudata.worlds = worldspecs;
1322
1323                                 if(skip_main_menu == false)
1324                                 {
1325                                         GUIMainMenu *menu =
1326                                                         new GUIMainMenu(guienv, guiroot, -1,
1327                                                                 &g_menumgr, &menudata, g_gamecallback);
1328                                         menu->allowFocusRemoval(true);
1329
1330                                         if(error_message != L"")
1331                                         {
1332                                                 verbosestream<<"error_message = "
1333                                                                 <<wide_to_narrow(error_message)<<std::endl;
1334
1335                                                 GUIMessageMenu *menu2 =
1336                                                                 new GUIMessageMenu(guienv, guiroot, -1,
1337                                                                         &g_menumgr, error_message.c_str());
1338                                                 menu2->drop();
1339                                                 error_message = L"";
1340                                         }
1341
1342                                         video::IVideoDriver* driver = device->getVideoDriver();
1343
1344                                         infostream<<"Created main menu"<<std::endl;
1345
1346                                         while(device->run() && kill == false)
1347                                         {
1348                                                 if(menu->getStatus() == true)
1349                                                         break;
1350
1351                                                 //driver->beginScene(true, true, video::SColor(255,0,0,0));
1352                                                 driver->beginScene(true, true, video::SColor(255,128,128,128));
1353
1354                                                 drawMenuBackground(driver);
1355
1356                                                 guienv->drawAll();
1357
1358                                                 driver->endScene();
1359
1360                                                 // On some computers framerate doesn't seem to be
1361                                                 // automatically limited
1362                                                 sleep_ms(25);
1363                                         }
1364
1365                                         // Break out of menu-game loop to shut down cleanly
1366                                         if(device->run() == false || kill == true)
1367                                                 break;
1368
1369                                         infostream<<"Dropping main menu"<<std::endl;
1370
1371                                         menu->drop();
1372                                 }
1373
1374                                 // Set world path to selected one
1375                                 if(menudata.selected_world != -1){
1376                                         worldspec = worldspecs[menudata.selected_world];
1377                                         infostream<<"Selected world: "<<worldspec.name
1378                                                         <<" ["<<worldspec.path<<"]"<<std::endl;
1379                                 }
1380
1381                                 // Delete world if requested
1382                                 if(menudata.delete_world_spec.isValid())
1383                                 {
1384                                         bool r = fs::RecursiveDeleteContent(
1385                                                         menudata.delete_world_spec.path);
1386                                         if(r == false){
1387                                                 error_message = L"World delete failed";
1388                                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1389                                         }
1390                                         continue;
1391                                 }
1392
1393                                 // Create new world if requested
1394                                 if(menudata.create_world_name != L"")
1395                                 {
1396                                         std::string path = porting::path_user + DIR_DELIM
1397                                                         + "server" + DIR_DELIM + "worlds" + DIR_DELIM
1398                                                         + wide_to_narrow(menudata.create_world_name);
1399                                         // Create world if it doesn't exist
1400                                         if(!initializeWorld(path, menudata.create_world_gameid)){
1401                                                 error_message = L"Failed to initialize world";
1402                                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1403                                                 continue;
1404                                         }
1405                                         g_settings->set("selected_world_path", path);
1406                                         continue;
1407                                 }
1408
1409                                 playername = wide_to_narrow(menudata.name);
1410                                 password = translatePassword(playername, menudata.password);
1411                                 //infostream<<"Main: password hash: '"<<password<<"'"<<std::endl;
1412
1413                                 address = wide_to_narrow(menudata.address);
1414                                 int newport = stoi(wide_to_narrow(menudata.port));
1415                                 if(newport != 0)
1416                                         port = newport;
1417                                 // Save settings
1418                                 g_settings->set("new_style_leaves", itos(menudata.fancy_trees));
1419                                 g_settings->set("smooth_lighting", itos(menudata.smooth_lighting));
1420                                 g_settings->set("enable_3d_clouds", itos(menudata.clouds_3d));
1421                                 g_settings->set("opaque_water", itos(menudata.opaque_water));
1422                                 g_settings->set("creative_mode", itos(menudata.creative_mode));
1423                                 g_settings->set("enable_damage", itos(menudata.enable_damage));
1424                                 g_settings->set("name", playername);
1425                                 g_settings->set("address", address);
1426                                 g_settings->set("port", itos(port));
1427                                 if(menudata.selected_world != -1)
1428                                         g_settings->set("selected_world_path",
1429                                                         worldspecs[menudata.selected_world].path);
1430                                 // Update configuration file
1431                                 if(configpath != "")
1432                                         g_settings->updateConfigFile(configpath.c_str());
1433
1434                                 // If local game
1435                                 if(address == "")
1436                                 {
1437                                         if(menudata.selected_world == -1){
1438                                                 error_message = L"No world selected and no address "
1439                                                                 L"provided. Nothing to do.";
1440                                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1441                                                 continue;
1442                                         }
1443                                         // Load gamespec for required game
1444                                         gamespec = findSubgame(worldspec.gameid);
1445                                         if(!gamespec.isValid() && !commanded_gamespec.isValid()){
1446                                                 error_message = L"Could not find or load game \""
1447                                                                 + narrow_to_wide(worldspec.gameid) + L"\"";
1448                                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1449                                                 continue;
1450                                         }
1451                                         if(commanded_gamespec.isValid() &&
1452                                                         commanded_gamespec.id != worldspec.gameid){
1453                                                 errorstream<<"WARNING: Overriding gamespec from \""
1454                                                                 <<worldspec.gameid<<"\" to \""
1455                                                                 <<commanded_gamespec.id<<"\""<<std::endl;
1456                                                 gamespec = commanded_gamespec;
1457                                         }
1458
1459                                         if(!gamespec.isValid()){
1460                                                 error_message = L"Invalid gamespec. (world_gameid="
1461                                                                 +narrow_to_wide(worldspec.gameid)+L")";
1462                                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1463                                                 continue;
1464                                         }
1465                                 }
1466
1467                                 // Continue to game
1468                                 break;
1469                         }
1470
1471                         // Break out of menu-game loop to shut down cleanly
1472                         if(device->run() == false || kill == true)
1473                                 break;
1474
1475                         /*
1476                                 Run game
1477                         */
1478                         the_game(
1479                                 kill,
1480                                 random_input,
1481                                 input,
1482                                 device,
1483                                 font,
1484                                 worldspec.path,
1485                                 playername,
1486                                 password,
1487                                 address,
1488                                 port,
1489                                 error_message,
1490                                 configpath,
1491                                 chat_backend,
1492                                 gamespec
1493                         );
1494
1495                 } //try
1496                 catch(con::PeerNotFoundException &e)
1497                 {
1498                         error_message = L"Connection error (timed out?)";
1499                         errorstream<<wide_to_narrow(error_message)<<std::endl;
1500                 }
1501                 catch(ServerError &e)
1502                 {
1503                         error_message = narrow_to_wide(e.what());
1504                         errorstream<<wide_to_narrow(error_message)<<std::endl;
1505                 }
1506                 catch(ModError &e)
1507                 {
1508                         errorstream<<e.what()<<std::endl;
1509                         error_message = narrow_to_wide(e.what()) + L"\nCheck debug.txt for details.";
1510                 }
1511 #ifdef NDEBUG
1512                 catch(std::exception &e)
1513                 {
1514                         std::string narrow_message = "Some exception, what()=\"";
1515                         narrow_message += e.what();
1516                         narrow_message += "\"";
1517                         errorstream<<narrow_message<<std::endl;
1518                         error_message = narrow_to_wide(narrow_message);
1519                 }
1520 #endif
1521
1522                 // If no main menu, show error and exit
1523                 if(skip_main_menu)
1524                 {
1525                         if(error_message != L""){
1526                                 verbosestream<<"error_message = "
1527                                                 <<wide_to_narrow(error_message)<<std::endl;
1528                                 retval = 1;
1529                         }
1530                         break;
1531                 }
1532         } // Menu-game loop
1533
1534         delete input;
1535
1536         /*
1537                 In the end, delete the Irrlicht device.
1538         */
1539         device->drop();
1540
1541 #endif // !SERVER
1542
1543         // Update configuration file
1544         if(configpath != "")
1545                 g_settings->updateConfigFile(configpath.c_str());
1546
1547         // Print modified quicktune values
1548         {
1549                 bool header_printed = false;
1550                 std::vector<std::string> names = getQuicktuneNames();
1551                 for(u32 i=0; i<names.size(); i++){
1552                         QuicktuneValue val = getQuicktuneValue(names[i]);
1553                         if(!val.modified)
1554                                 continue;
1555                         if(!header_printed){
1556                                 dstream<<"Modified quicktune values:"<<std::endl;
1557                                 header_printed = true;
1558                         }
1559                         dstream<<names[i]<<" = "<<val.getString()<<std::endl;
1560                 }
1561         }
1562
1563         END_DEBUG_EXCEPTION_HANDLER(errorstream)
1564
1565         debugstreams_deinit();
1566
1567         return retval;
1568 }
1569
1570 //END
1571