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 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 "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 "util/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
  94 // Server
  95 std::ostream *dout_server_ptr = &infostream;
  96 std::ostream *derr_server_ptr = &errorstream;
  97
  98 // Client
  99 std::ostream *dout_client_ptr = &infostream;
 100 std::ostream *derr_client_ptr = &errorstream;
 101
 102 #ifndef SERVER
 103 /*
 104         Random stuff
 105 */
 106
 107 /* mainmenumanager.h */
 108
 109 gui::IGUIEnvironment* guienv = NULL;
 110 gui::IGUIStaticText *guiroot = NULL;
 111 MainMenuManager g_menumgr;
 112
 113 bool noMenuActive()
 114 {
 115         return (g_menumgr.menuCount() == 0);
 116 }
 117
 118 // Passed to menus to allow disconnecting and exiting
 119 MainGameCallback *g_gamecallback = NULL;
 120 #endif
 121
 122 /*
 123         gettime.h implementation
 124 */
 125
 126 #ifdef SERVER
 127
 128 u32 getTimeMs()
 129 {
 130         /* Use imprecise system calls directly (from porting.h) */
 131         return porting::getTimeMs();
 132 }
 133
 134 #else
 135
 136 // A small helper class
 137 class TimeGetter
 138 {
 139 public:
 140         virtual u32 getTime() = 0;
 141 };
 142
 143 // A precise irrlicht one
 144 class IrrlichtTimeGetter: public TimeGetter
 145 {
 146 public:
 147         IrrlichtTimeGetter(IrrlichtDevice *device):
 148                 m_device(device)
 149         {}
 150         u32 getTime()
 151         {
 152                 if(m_device == NULL)
 153                         return 0;
 154                 return m_device->getTimer()->getRealTime();
 155         }
 156 private:
 157         IrrlichtDevice *m_device;
 158 };
 159 // Not so precise one which works without irrlicht
 160 class SimpleTimeGetter: public TimeGetter
 161 {
 162 public:
 163         u32 getTime()
 164         {
 165                 return porting::getTimeMs();
 166         }
 167 };
 168
 169 // A pointer to a global instance of the time getter
 170 // TODO: why?
 171 TimeGetter *g_timegetter = NULL;
 172
 173 u32 getTimeMs()
 174 {
 175         if(g_timegetter == NULL)
 176                 return 0;
 177         return g_timegetter->getTime();
 178 }
 179
 180 #endif
 181
 182 class StderrLogOutput: public ILogOutput
 183 {
 184 public:
 185         /* line: Full line with timestamp, level and thread */
 186         void printLog(const std::string &line)
 187         {
 188                 std::cerr<<line<<std::endl;
 189         }
 190 } main_stderr_log_out;
 191
 192 class DstreamNoStderrLogOutput: public ILogOutput
 193 {
 194 public:
 195         /* line: Full line with timestamp, level and thread */
 196         void printLog(const std::string &line)
 197         {
 198                 dstream_no_stderr<<line<<std::endl;
 199         }
 200 } main_dstream_no_stderr_log_out;
 201
 202 #ifndef SERVER
 203
 204 /*
 205         Event handler for Irrlicht
 206
 207         NOTE: Everything possible should be moved out from here,
 208               probably to InputHandler and the_game
 209 */
 210
 211 class MyEventReceiver : public IEventReceiver
 212 {
 213 public:
 214         // This is the one method that we have to implement
 215         virtual bool OnEvent(const SEvent& event)
 216         {
 217                 /*
 218                         React to nothing here if a menu is active
 219                 */
 220                 if(noMenuActive() == false)
 221                 {
 222                         return false;
 223                 }
 224
 225                 // Remember whether each key is down or up
 226                 if(event.EventType == irr::EET_KEY_INPUT_EVENT)
 227                 {
 228                         if(event.KeyInput.PressedDown) {
 229                                 keyIsDown.set(event.KeyInput);
 230                                 keyWasDown.set(event.KeyInput);
 231                         } else {
 232                                 keyIsDown.unset(event.KeyInput);
 233                         }
 234                 }
 235
 236                 if(event.EventType == irr::EET_MOUSE_INPUT_EVENT)
 237                 {
 238                         if(noMenuActive() == false)
 239                         {
 240                                 left_active = false;
 241                                 middle_active = false;
 242                                 right_active = false;
 243                         }
 244                         else
 245                         {
 246                                 left_active = event.MouseInput.isLeftPressed();
 247                                 middle_active = event.MouseInput.isMiddlePressed();
 248                                 right_active = event.MouseInput.isRightPressed();
 249
 250                                 if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
 251                                 {
 252                                         leftclicked = true;
 253                                 }
 254                                 if(event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
 255                                 {
 256                                         rightclicked = true;
 257                                 }
 258                                 if(event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP)
 259                                 {
 260                                         leftreleased = true;
 261                                 }
 262                                 if(event.MouseInput.Event == EMIE_RMOUSE_LEFT_UP)
 263                                 {
 264                                         rightreleased = true;
 265                                 }
 266                                 if(event.MouseInput.Event == EMIE_MOUSE_WHEEL)
 267                                 {
 268                                         mouse_wheel += event.MouseInput.Wheel;
 269                                 }
 270                         }
 271                 }
 272
 273                 return false;
 274         }
 275
 276         bool IsKeyDown(const KeyPress &keyCode) const
 277         {
 278                 return keyIsDown[keyCode];
 279         }
 280
 281         // Checks whether a key was down and resets the state
 282         bool WasKeyDown(const KeyPress &keyCode)
 283         {
 284                 bool b = keyWasDown[keyCode];
 285                 if (b)
 286                         keyWasDown.unset(keyCode);
 287                 return b;
 288         }
 289
 290         s32 getMouseWheel()
 291         {
 292                 s32 a = mouse_wheel;
 293                 mouse_wheel = 0;
 294                 return a;
 295         }
 296
 297         void clearInput()
 298         {
 299                 keyIsDown.clear();
 300                 keyWasDown.clear();
 301
 302                 leftclicked = false;
 303                 rightclicked = false;
 304                 leftreleased = false;
 305                 rightreleased = false;
 306
 307                 left_active = false;
 308                 middle_active = false;
 309                 right_active = false;
 310
 311                 mouse_wheel = 0;
 312         }
 313
 314         MyEventReceiver()
 315         {
 316                 clearInput();
 317         }
 318
 319         bool leftclicked;
 320         bool rightclicked;
 321         bool leftreleased;
 322         bool rightreleased;
 323
 324         bool left_active;
 325         bool middle_active;
 326         bool right_active;
 327
 328         s32 mouse_wheel;
 329
 330 private:
 331         IrrlichtDevice *m_device;
 332
 333         // The current state of keys
 334         KeyList keyIsDown;
 335         // Whether a key has been pressed or not
 336         KeyList keyWasDown;
 337 };
 338
 339 /*
 340         Separated input handler
 341 */
 342
 343 class RealInputHandler : public InputHandler
 344 {
 345 public:
 346         RealInputHandler(IrrlichtDevice *device, MyEventReceiver *receiver):
 347                 m_device(device),
 348                 m_receiver(receiver)
 349         {
 350         }
 351         virtual bool isKeyDown(const KeyPress &keyCode)
 352         {
 353                 return m_receiver->IsKeyDown(keyCode);
 354         }
 355         virtual bool wasKeyDown(const KeyPress &keyCode)
 356         {
 357                 return m_receiver->WasKeyDown(keyCode);
 358         }
 359         virtual v2s32 getMousePos()
 360         {
 361                 return m_device->getCursorControl()->getPosition();
 362         }
 363         virtual void setMousePos(s32 x, s32 y)
 364         {
 365                 m_device->getCursorControl()->setPosition(x, y);
 366         }
 367
 368         virtual bool getLeftState()
 369         {
 370                 return m_receiver->left_active;
 371         }
 372         virtual bool getRightState()
 373         {
 374                 return m_receiver->right_active;
 375         }
 376
 377         virtual bool getLeftClicked()
 378         {
 379                 return m_receiver->leftclicked;
 380         }
 381         virtual bool getRightClicked()
 382         {
 383                 return m_receiver->rightclicked;
 384         }
 385         virtual void resetLeftClicked()
 386         {
 387                 m_receiver->leftclicked = false;
 388         }
 389         virtual void resetRightClicked()
 390         {
 391                 m_receiver->rightclicked = false;
 392         }
 393
 394         virtual bool getLeftReleased()
 395         {
 396                 return m_receiver->leftreleased;
 397         }
 398         virtual bool getRightReleased()
 399         {
 400                 return m_receiver->rightreleased;
 401         }
 402         virtual void resetLeftReleased()
 403         {
 404                 m_receiver->leftreleased = false;
 405         }
 406         virtual void resetRightReleased()
 407         {
 408                 m_receiver->rightreleased = false;
 409         }
 410
 411         virtual s32 getMouseWheel()
 412         {
 413                 return m_receiver->getMouseWheel();
 414         }
 415
 416         void clear()
 417         {
 418                 m_receiver->clearInput();
 419         }
 420 private:
 421         IrrlichtDevice *m_device;
 422         MyEventReceiver *m_receiver;
 423 };
 424
 425 class RandomInputHandler : public InputHandler
 426 {
 427 public:
 428         RandomInputHandler()
 429         {
 430                 leftdown = false;
 431                 rightdown = false;
 432                 leftclicked = false;
 433                 rightclicked = false;
 434                 leftreleased = false;
 435                 rightreleased = false;
 436                 keydown.clear();
 437         }
 438         virtual bool isKeyDown(const KeyPress &keyCode)
 439         {
 440                 return keydown[keyCode];
 441         }
 442         virtual bool wasKeyDown(const KeyPress &keyCode)
 443         {
 444                 return false;
 445         }
 446         virtual v2s32 getMousePos()
 447         {
 448                 return mousepos;
 449         }
 450         virtual void setMousePos(s32 x, s32 y)
 451         {
 452                 mousepos = v2s32(x,y);
 453         }
 454
 455         virtual bool getLeftState()
 456         {
 457                 return leftdown;
 458         }
 459         virtual bool getRightState()
 460         {
 461                 return rightdown;
 462         }
 463
 464         virtual bool getLeftClicked()
 465         {
 466                 return leftclicked;
 467         }
 468         virtual bool getRightClicked()
 469         {
 470                 return rightclicked;
 471         }
 472         virtual void resetLeftClicked()
 473         {
 474                 leftclicked = false;
 475         }
 476         virtual void resetRightClicked()
 477         {
 478                 rightclicked = false;
 479         }
 480
 481         virtual bool getLeftReleased()
 482         {
 483                 return leftreleased;
 484         }
 485         virtual bool getRightReleased()
 486         {
 487                 return rightreleased;
 488         }
 489         virtual void resetLeftReleased()
 490         {
 491                 leftreleased = false;
 492         }
 493         virtual void resetRightReleased()
 494         {
 495                 rightreleased = false;
 496         }
 497
 498         virtual s32 getMouseWheel()
 499         {
 500                 return 0;
 501         }
 502
 503         virtual void step(float dtime)
 504         {
 505                 {
 506                         static float counter1 = 0;
 507                         counter1 -= dtime;
 508                         if(counter1 < 0.0)
 509                         {
 510                                 counter1 = 0.1*Rand(1, 40);
 511                                 keydown.toggle(getKeySetting("keymap_jump"));
 512                         }
 513                 }
 514                 {
 515                         static float counter1 = 0;
 516                         counter1 -= dtime;
 517                         if(counter1 < 0.0)
 518                         {
 519                                 counter1 = 0.1*Rand(1, 40);
 520                                 keydown.toggle(getKeySetting("keymap_special1"));
 521                         }
 522                 }
 523                 {
 524                         static float counter1 = 0;
 525                         counter1 -= dtime;
 526                         if(counter1 < 0.0)
 527                         {
 528                                 counter1 = 0.1*Rand(1, 40);
 529                                 keydown.toggle(getKeySetting("keymap_forward"));
 530                         }
 531                 }
 532                 {
 533                         static float counter1 = 0;
 534                         counter1 -= dtime;
 535                         if(counter1 < 0.0)
 536                         {
 537                                 counter1 = 0.1*Rand(1, 40);
 538                                 keydown.toggle(getKeySetting("keymap_left"));
 539                         }
 540                 }
 541                 {
 542                         static float counter1 = 0;
 543                         counter1 -= dtime;
 544                         if(counter1 < 0.0)
 545                         {
 546                                 counter1 = 0.1*Rand(1, 20);
 547                                 mousespeed = v2s32(Rand(-20,20), Rand(-15,20));
 548                         }
 549                 }
 550                 {
 551                         static float counter1 = 0;
 552                         counter1 -= dtime;
 553                         if(counter1 < 0.0)
 554                         {
 555                                 counter1 = 0.1*Rand(1, 30);
 556                                 leftdown = !leftdown;
 557                                 if(leftdown)
 558                                         leftclicked = true;
 559                                 if(!leftdown)
 560                                         leftreleased = true;
 561                         }
 562                 }
 563                 {
 564                         static float counter1 = 0;
 565                         counter1 -= dtime;
 566                         if(counter1 < 0.0)
 567                         {
 568                                 counter1 = 0.1*Rand(1, 15);
 569                                 rightdown = !rightdown;
 570                                 if(rightdown)
 571                                         rightclicked = true;
 572                                 if(!rightdown)
 573                                         rightreleased = true;
 574                         }
 575                 }
 576                 mousepos += mousespeed;
 577         }
 578
 579         s32 Rand(s32 min, s32 max)
 580         {
 581                 return (myrand()%(max-min+1))+min;
 582         }
 583 private:
 584         KeyList keydown;
 585         v2s32 mousepos;
 586         v2s32 mousespeed;
 587         bool leftdown;
 588         bool rightdown;
 589         bool leftclicked;
 590         bool rightclicked;
 591         bool leftreleased;
 592         bool rightreleased;
 593 };
 594
 595 void drawMenuBackground(video::IVideoDriver* driver)
 596 {
 597         core::dimension2d<u32> screensize = driver->getScreenSize();
 598
 599         video::ITexture *bgtexture =
 600                         driver->getTexture(getTexturePath("menubg.png").c_str());
 601         if(bgtexture)
 602         {
 603                 s32 scaledsize = 128;
 604
 605                 // The important difference between destsize and screensize is
 606                 // that destsize is rounded to whole scaled pixels.
 607                 // These formulas use component-wise multiplication and division of v2u32.
 608                 v2u32 texturesize = bgtexture->getSize();
 609                 v2u32 sourcesize = texturesize * screensize / scaledsize + v2u32(1,1);
 610                 v2u32 destsize = scaledsize * sourcesize / texturesize;
 611
 612                 // Default texture wrapping mode in Irrlicht is ETC_REPEAT.
 613                 driver->draw2DImage(bgtexture,
 614                         core::rect<s32>(0, 0, destsize.X, destsize.Y),
 615                         core::rect<s32>(0, 0, sourcesize.X, sourcesize.Y),
 616                         NULL, NULL, true);
 617         }
 618
 619         video::ITexture *logotexture =
 620                         driver->getTexture(getTexturePath("menulogo.png").c_str());
 621         if(logotexture)
 622         {
 623                 v2s32 logosize(logotexture->getOriginalSize().Width,
 624                                 logotexture->getOriginalSize().Height);
 625                 logosize *= 4;
 626
 627                 video::SColor bgcolor(255,50,50,50);
 628                 core::rect<s32> bgrect(0, screensize.Height-logosize.Y-20,
 629                                 screensize.Width, screensize.Height);
 630                 driver->draw2DRectangle(bgcolor, bgrect, NULL);
 631
 632                 core::rect<s32> rect(0,0,logosize.X,logosize.Y);
 633                 rect += v2s32(screensize.Width/2,screensize.Height-10-logosize.Y);
 634                 rect -= v2s32(logosize.X/2, 0);
 635                 driver->draw2DImage(logotexture, rect,
 636                         core::rect<s32>(core::position2d<s32>(0,0),
 637                         core::dimension2di(logotexture->getSize())),
 638                         NULL, NULL, true);
 639         }
 640 }
 641
 642 #endif
 643
 644 // These are defined global so that they're not optimized too much.
 645 // Can't change them to volatile.
 646 s16 temp16;
 647 f32 tempf;
 648 v3f tempv3f1;
 649 v3f tempv3f2;
 650 std::string tempstring;
 651 std::string tempstring2;
 652
 653 void SpeedTests()
 654 {
 655         {
 656                 infostream<<"The following test should take around 20ms."<<std::endl;
 657                 TimeTaker timer("Testing std::string speed");
 658                 const u32 jj = 10000;
 659                 for(u32 j=0; j<jj; j++)
 660                 {
 661                         tempstring = "";
 662                         tempstring2 = "";
 663                         const u32 ii = 10;
 664                         for(u32 i=0; i<ii; i++){
 665                                 tempstring2 += "asd";
 666                         }
 667                         for(u32 i=0; i<ii+1; i++){
 668                                 tempstring += "asd";
 669                                 if(tempstring == tempstring2)
 670                                         break;
 671                         }
 672                 }
 673         }
 674
 675         infostream<<"All of the following tests should take around 100ms each."
 676                         <<std::endl;
 677
 678         {
 679                 TimeTaker timer("Testing floating-point conversion speed");
 680                 tempf = 0.001;
 681                 for(u32 i=0; i<4000000; i++){
 682                         temp16 += tempf;
 683                         tempf += 0.001;
 684                 }
 685         }
 686
 687         {
 688                 TimeTaker timer("Testing floating-point vector speed");
 689
 690                 tempv3f1 = v3f(1,2,3);
 691                 tempv3f2 = v3f(4,5,6);
 692                 for(u32 i=0; i<10000000; i++){
 693                         tempf += tempv3f1.dotProduct(tempv3f2);
 694                         tempv3f2 += v3f(7,8,9);
 695                 }
 696         }
 697
 698         {
 699                 TimeTaker timer("Testing core::map speed");
 700
 701                 core::map<v2s16, f32> map1;
 702                 tempf = -324;
 703                 const s16 ii=300;
 704                 for(s16 y=0; y<ii; y++){
 705                         for(s16 x=0; x<ii; x++){
 706                                 map1.insert(v2s16(x,y), tempf);
 707                                 tempf += 1;
 708                         }
 709                 }
 710                 for(s16 y=ii-1; y>=0; y--){
 711                         for(s16 x=0; x<ii; x++){
 712                                 tempf = map1[v2s16(x,y)];
 713                         }
 714                 }
 715         }
 716
 717         {
 718                 infostream<<"Around 5000/ms should do well here."<<std::endl;
 719                 TimeTaker timer("Testing mutex speed");
 720
 721                 JMutex m;
 722                 m.Init();
 723                 u32 n = 0;
 724                 u32 i = 0;
 725                 do{
 726                         n += 10000;
 727                         for(; i<n; i++){
 728                                 m.Lock();
 729                                 m.Unlock();
 730                         }
 731                 }
 732                 // Do at least 10ms
 733                 while(timer.getTime() < 10);
 734
 735                 u32 dtime = timer.stop();
 736                 u32 per_ms = n / dtime;
 737                 infostream<<"Done. "<<dtime<<"ms, "
 738                                 <<per_ms<<"/ms"<<std::endl;
 739         }
 740 }
 741
 742 static void print_worldspecs(const std::vector<WorldSpec> &worldspecs,
 743                 std::ostream &os)
 744 {
 745         for(u32 i=0; i<worldspecs.size(); i++){
 746                 std::string name = worldspecs[i].name;
 747                 std::string path = worldspecs[i].path;
 748                 if(name.find(" ") != std::string::npos)
 749                         name = std::string("'") + name + "'";
 750                 path = std::string("'") + path + "'";
 751                 name = padStringRight(name, 14);
 752                 os<<"  "<<name<<" "<<path<<std::endl;
 753         }
 754 }
 755
 756 int main(int argc, char *argv[])
 757 {
 758         int retval = 0;
 759
 760         /*
 761                 Initialization
 762         */
 763
 764         log_add_output_maxlev(&main_stderr_log_out, LMT_ACTION);
 765         log_add_output_all_levs(&main_dstream_no_stderr_log_out);
 766
 767         log_register_thread("main");
 768
 769         // Set locale. This is for forcing '.' as the decimal point.
 770         std::locale::global(std::locale("C"));
 771         // This enables printing all characters in bitmap font
 772         setlocale(LC_CTYPE, "en_US");
 773
 774         /*
 775                 Parse command line
 776         */
 777
 778         // List all allowed options
 779         core::map<std::string, ValueSpec> allowed_options;
 780         allowed_options.insert("help", ValueSpec(VALUETYPE_FLAG,
 781                         _("Show allowed options")));
 782         allowed_options.insert("config", ValueSpec(VALUETYPE_STRING,
 783                         _("Load configuration from specified file")));
 784         allowed_options.insert("port", ValueSpec(VALUETYPE_STRING,
 785                         _("Set network port (UDP)")));
 786         allowed_options.insert("disable-unittests", ValueSpec(VALUETYPE_FLAG,
 787                         _("Disable unit tests")));
 788         allowed_options.insert("enable-unittests", ValueSpec(VALUETYPE_FLAG,
 789                         _("Enable unit tests")));
 790         allowed_options.insert("map-dir", ValueSpec(VALUETYPE_STRING,
 791                         _("Same as --world (deprecated)")));
 792         allowed_options.insert("world", ValueSpec(VALUETYPE_STRING,
 793                         _("Set world path (implies local game) ('list' lists all)")));
 794         allowed_options.insert("worldname", ValueSpec(VALUETYPE_STRING,
 795                         _("Set world by name (implies local game)")));
 796         allowed_options.insert("info", ValueSpec(VALUETYPE_FLAG,
 797                         _("Print more information to console")));
 798         allowed_options.insert("verbose", ValueSpec(VALUETYPE_FLAG,
 799                         _("Print even more information to console")));
 800         allowed_options.insert("trace", ValueSpec(VALUETYPE_FLAG,
 801                         _("Print enormous amounts of information to log and console")));
 802         allowed_options.insert("logfile", ValueSpec(VALUETYPE_STRING,
 803                         _("Set logfile path ('' = no logging)")));
 804         allowed_options.insert("gameid", ValueSpec(VALUETYPE_STRING,
 805                         _("Set gameid (\"--gameid list\" prints available ones)")));
 806 #ifndef SERVER
 807         allowed_options.insert("speedtests", ValueSpec(VALUETYPE_FLAG,
 808                         _("Run speed tests")));
 809         allowed_options.insert("address", ValueSpec(VALUETYPE_STRING,
 810                         _("Address to connect to. ('' = local game)")));
 811         allowed_options.insert("random-input", ValueSpec(VALUETYPE_FLAG,
 812                         _("Enable random user input, for testing")));
 813         allowed_options.insert("server", ValueSpec(VALUETYPE_FLAG,
 814                         _("Run dedicated server")));
 815         allowed_options.insert("name", ValueSpec(VALUETYPE_STRING,
 816                         _("Set player name")));
 817         allowed_options.insert("password", ValueSpec(VALUETYPE_STRING,
 818                         _("Set password")));
 819         allowed_options.insert("go", ValueSpec(VALUETYPE_FLAG,
 820                         _("Disable main menu")));
 821 #endif
 822
 823         Settings cmd_args;
 824
 825         bool ret = cmd_args.parseCommandLine(argc, argv, allowed_options);
 826
 827         if(ret == false || cmd_args.getFlag("help") || cmd_args.exists("nonopt1"))
 828         {
 829                 dstream<<_("Allowed options:")<<std::endl;
 830                 for(core::map<std::string, ValueSpec>::Iterator
 831                                 i = allowed_options.getIterator();
 832                                 i.atEnd() == false; i++)
 833                 {
 834                         std::ostringstream os1(std::ios::binary);
 835                         os1<<"  --"<<i.getNode()->getKey();
 836                         if(i.getNode()->getValue().type == VALUETYPE_FLAG)
 837                                 {}
 838                         else
 839                                 os1<<_(" <value>");
 840                         dstream<<padStringRight(os1.str(), 24);
 841
 842                         if(i.getNode()->getValue().help != NULL)
 843                                 dstream<<i.getNode()->getValue().help;
 844                         dstream<<std::endl;
 845                 }
 846
 847                 return cmd_args.getFlag("help") ? 0 : 1;
 848         }
 849
 850         /*
 851                 Low-level initialization
 852         */
 853
 854         // If trace is enabled, enable logging of certain things
 855         if(cmd_args.getFlag("trace")){
 856                 dstream<<_("Enabling trace level debug output")<<std::endl;
 857                 log_trace_level_enabled = true;
 858                 dout_con_ptr = &verbosestream; // this is somewhat old crap
 859                 socket_enable_debug_output = true; // socket doesn't use log.h
 860         }
 861         // In certain cases, output info level on stderr
 862         if(cmd_args.getFlag("info") || cmd_args.getFlag("verbose") ||
 863                         cmd_args.getFlag("trace") || cmd_args.getFlag("speedtests"))
 864                 log_add_output(&main_stderr_log_out, LMT_INFO);
 865         // In certain cases, output verbose level on stderr
 866         if(cmd_args.getFlag("verbose") || cmd_args.getFlag("trace"))
 867                 log_add_output(&main_stderr_log_out, LMT_VERBOSE);
 868
 869         porting::signal_handler_init();
 870         bool &kill = *porting::signal_handler_killstatus();
 871
 872         porting::initializePaths();
 873
 874         // Create user data directory
 875         fs::CreateDir(porting::path_user);
 876
 877         init_gettext((porting::path_share+DIR_DELIM+".."+DIR_DELIM+"locale").c_str());
 878
 879         // Initialize debug streams
 880 #define DEBUGFILE "debug.txt"
 881 #ifdef RUN_IN_PLACE
 882         std::string logfile = DEBUGFILE;
 883 #else
 884         std::string logfile = porting::path_user+DIR_DELIM+DEBUGFILE;
 885 #endif
 886         if(cmd_args.exists("logfile"))
 887                 logfile = cmd_args.get("logfile");
 888         if(logfile != "")
 889                 debugstreams_init(false, logfile.c_str());
 890         else
 891                 debugstreams_init(false, NULL);
 892
 893         infostream<<"logfile    = "<<logfile<<std::endl;
 894         infostream<<"path_share = "<<porting::path_share<<std::endl;
 895         infostream<<"path_user  = "<<porting::path_user<<std::endl;
 896
 897         // Initialize debug stacks
 898         debug_stacks_init();
 899         DSTACK(__FUNCTION_NAME);
 900
 901         // Debug handler
 902         BEGIN_DEBUG_EXCEPTION_HANDLER
 903
 904         // List gameids if requested
 905         if(cmd_args.exists("gameid") && cmd_args.get("gameid") == "list")
 906         {
 907                 std::set<std::string> gameids = getAvailableGameIds();
 908                 for(std::set<std::string>::const_iterator i = gameids.begin();
 909                                 i != gameids.end(); i++)
 910                         dstream<<(*i)<<std::endl;
 911                 return 0;
 912         }
 913
 914         // List worlds if requested
 915         if(cmd_args.exists("world") && cmd_args.get("world") == "list"){
 916                 dstream<<_("Available worlds:")<<std::endl;
 917                 std::vector<WorldSpec> worldspecs = getAvailableWorlds();
 918                 print_worldspecs(worldspecs, dstream);
 919                 return 0;
 920         }
 921
 922         // Print startup message
 923         infostream<<PROJECT_NAME<<
 924                         " "<<_("with")<<" SER_FMT_VER_HIGHEST="<<(int)SER_FMT_VER_HIGHEST
 925                         <<", "<<BUILD_INFO
 926                         <<std::endl;
 927
 928         /*
 929                 Basic initialization
 930         */
 931
 932         // Initialize default settings
 933         set_default_settings(g_settings);
 934
 935         // Initialize sockets
 936         sockets_init();
 937         atexit(sockets_cleanup);
 938
 939         /*
 940                 Read config file
 941         */
 942
 943         // Path of configuration file in use
 944         std::string configpath = "";
 945
 946         if(cmd_args.exists("config"))
 947         {
 948                 bool r = g_settings->readConfigFile(cmd_args.get("config").c_str());
 949                 if(r == false)
 950                 {
 951                         errorstream<<"Could not read configuration from \""
 952                                         <<cmd_args.get("config")<<"\""<<std::endl;
 953                         return 1;
 954                 }
 955                 configpath = cmd_args.get("config");
 956         }
 957         else
 958         {
 959                 core::array<std::string> filenames;
 960                 filenames.push_back(porting::path_user +
 961                                 DIR_DELIM + "minetest.conf");
 962                 // Legacy configuration file location
 963                 filenames.push_back(porting::path_user +
 964                                 DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
 965 #ifdef RUN_IN_PLACE
 966                 // Try also from a lower level (to aid having the same configuration
 967                 // for many RUN_IN_PLACE installs)
 968                 filenames.push_back(porting::path_user +
 969                                 DIR_DELIM + ".." + DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
 970 #endif
 971
 972                 for(u32 i=0; i<filenames.size(); i++)
 973                 {
 974                         bool r = g_settings->readConfigFile(filenames[i].c_str());
 975                         if(r)
 976                         {
 977                                 configpath = filenames[i];
 978                                 break;
 979                         }
 980                 }
 981
 982                 // If no path found, use the first one (menu creates the file)
 983                 if(configpath == "")
 984                         configpath = filenames[0];
 985         }
 986
 987         // Initialize random seed
 988         srand(time(0));
 989         mysrand(time(0));
 990
 991         /*
 992                 Run unit tests
 993         */
 994
 995         if((ENABLE_TESTS && cmd_args.getFlag("disable-unittests") == false)
 996                         || cmd_args.getFlag("enable-unittests") == true)
 997         {
 998                 run_tests();
 999         }
1000
1001         /*
1002                 Game parameters
1003         */
1004
1005         // Port
1006         u16 port = 30000;
1007         if(cmd_args.exists("port"))
1008                 port = cmd_args.getU16("port");
1009         else if(g_settings->exists("port"))
1010                 port = g_settings->getU16("port");
1011         if(port == 0)
1012                 port = 30000;
1013
1014         // World directory
1015         std::string commanded_world = "";
1016         if(cmd_args.exists("world"))
1017                 commanded_world = cmd_args.get("world");
1018         else if(cmd_args.exists("map-dir"))
1019                 commanded_world = cmd_args.get("map-dir");
1020         else if(cmd_args.exists("nonopt0")) // First nameless argument
1021                 commanded_world = cmd_args.get("nonopt0");
1022         else if(g_settings->exists("map-dir"))
1023                 commanded_world = g_settings->get("map-dir");
1024
1025         // World name
1026         std::string commanded_worldname = "";
1027         if(cmd_args.exists("worldname"))
1028                 commanded_worldname = cmd_args.get("worldname");
1029
1030         // Strip world.mt from commanded_world
1031         {
1032                 std::string worldmt = "world.mt";
1033                 if(commanded_world.size() > worldmt.size() &&
1034                                 commanded_world.substr(commanded_world.size()-worldmt.size())
1035                                 == worldmt){
1036                         dstream<<_("Supplied world.mt file - stripping it off.")<<std::endl;
1037                         commanded_world = commanded_world.substr(
1038                                         0, commanded_world.size()-worldmt.size());
1039                 }
1040         }
1041
1042         // If a world name was specified, convert it to a path
1043         if(commanded_worldname != ""){
1044                 // Get information about available worlds
1045                 std::vector<WorldSpec> worldspecs = getAvailableWorlds();
1046                 bool found = false;
1047                 for(u32 i=0; i<worldspecs.size(); i++){
1048                         std::string name = worldspecs[i].name;
1049                         if(name == commanded_worldname){
1050                                 if(commanded_world != ""){
1051                                         dstream<<_("--worldname takes precedence over previously "
1052                                                         "selected world.")<<std::endl;
1053                                 }
1054                                 commanded_world = worldspecs[i].path;
1055                                 found = true;
1056                                 break;
1057                         }
1058                 }
1059                 if(!found){
1060                         dstream<<_("World")<<" '"<<commanded_worldname<<_("' not "
1061                                         "available. Available worlds:")<<std::endl;
1062                         print_worldspecs(worldspecs, dstream);
1063                         return 1;
1064                 }
1065         }
1066
1067         // Gamespec
1068         SubgameSpec commanded_gamespec;
1069         if(cmd_args.exists("gameid")){
1070                 std::string gameid = cmd_args.get("gameid");
1071                 commanded_gamespec = findSubgame(gameid);
1072                 if(!commanded_gamespec.isValid()){
1073                         errorstream<<"Game \""<<gameid<<"\" not found"<<std::endl;
1074                         return 1;
1075                 }
1076         }
1077
1078         /*
1079                 Run dedicated server if asked to or no other option
1080         */
1081 #ifdef SERVER
1082         bool run_dedicated_server = true;
1083 #else
1084         bool run_dedicated_server = cmd_args.getFlag("server");
1085 #endif
1086         if(run_dedicated_server)
1087         {
1088                 DSTACK("Dedicated server branch");
1089                 // Create time getter if built with Irrlicht
1090 #ifndef SERVER
1091                 g_timegetter = new SimpleTimeGetter();
1092 #endif
1093
1094                 // World directory
1095                 std::string world_path;
1096                 verbosestream<<_("Determining world path")<<std::endl;
1097                 bool is_legacy_world = false;
1098                 // If a world was commanded, use it
1099                 if(commanded_world != ""){
1100                         world_path = commanded_world;
1101                         infostream<<"Using commanded world path ["<<world_path<<"]"
1102                                         <<std::endl;
1103                 }
1104                 // No world was specified; try to select it automatically
1105                 else
1106                 {
1107                         // Get information about available worlds
1108                         std::vector<WorldSpec> worldspecs = getAvailableWorlds();
1109                         // If a world name was specified, select it
1110                         if(commanded_worldname != ""){
1111                                 world_path = "";
1112                                 for(u32 i=0; i<worldspecs.size(); i++){
1113                                         std::string name = worldspecs[i].name;
1114                                         if(name == commanded_worldname){
1115                                                 world_path = worldspecs[i].path;
1116                                                 break;
1117                                         }
1118                                 }
1119                                 if(world_path == ""){
1120                                         dstream<<_("World")<<" '"<<commanded_worldname<<"' "<<_("not "
1121                                                         "available. Available worlds:")<<std::endl;
1122                                         print_worldspecs(worldspecs, dstream);
1123                                         return 1;
1124                                 }
1125                         }
1126                         // If there is only a single world, use it
1127                         if(worldspecs.size() == 1){
1128                                 world_path = worldspecs[0].path;
1129                                 dstream<<_("Automatically selecting world at")<<" ["
1130                                                 <<world_path<<"]"<<std::endl;
1131                         // If there are multiple worlds, list them
1132                         } else if(worldspecs.size() > 1){
1133                                 dstream<<_("Multiple worlds are available.")<<std::endl;
1134                                 dstream<<_("Please select one using --worldname <name>"
1135                                                 " or --world <path>")<<std::endl;
1136                                 print_worldspecs(worldspecs, dstream);
1137                                 return 1;
1138                         // If there are no worlds, automatically create a new one
1139                         } else {
1140                                 // This is the ultimate default world path
1141                                 world_path = porting::path_user + DIR_DELIM + "worlds" +
1142                                                 DIR_DELIM + "world";
1143                                 infostream<<"Creating default world at ["
1144                                                 <<world_path<<"]"<<std::endl;
1145                         }
1146                 }
1147
1148                 if(world_path == ""){
1149                         errorstream<<"No world path specified or found."<<std::endl;
1150                         return 1;
1151                 }
1152                 verbosestream<<_("Using world path")<<" ["<<world_path<<"]"<<std::endl;
1153
1154                 // We need a gamespec.
1155                 SubgameSpec gamespec;
1156                 verbosestream<<_("Determining gameid/gamespec")<<std::endl;
1157                 // If world doesn't exist
1158                 if(!getWorldExists(world_path))
1159                 {
1160                         // Try to take gamespec from command line
1161                         if(commanded_gamespec.isValid()){
1162                                 gamespec = commanded_gamespec;
1163                                 infostream<<"Using commanded gameid ["<<gamespec.id<<"]"<<std::endl;
1164                         }
1165                         // Otherwise we will be using "minetest"
1166                         else{
1167                                 gamespec = findSubgame(g_settings->get("default_game"));
1168                                 infostream<<"Using default gameid ["<<gamespec.id<<"]"<<std::endl;
1169                         }
1170                 }
1171                 // World exists
1172                 else
1173                 {
1174                         std::string world_gameid = getWorldGameId(world_path, is_legacy_world);
1175                         // If commanded to use a gameid, do so
1176                         if(commanded_gamespec.isValid()){
1177                                 gamespec = commanded_gamespec;
1178                                 if(commanded_gamespec.id != world_gameid){
1179                                         errorstream<<"WARNING: Using commanded gameid ["
1180                                                         <<gamespec.id<<"]"<<" instead of world gameid ["
1181                                                         <<world_gameid<<"]"<<std::endl;
1182                                 }
1183                         } else{
1184                                 // If world contains an embedded game, use it;
1185                                 // Otherwise find world from local system.
1186                                 gamespec = findWorldSubgame(world_path);
1187                                 infostream<<"Using world gameid ["<<gamespec.id<<"]"<<std::endl;
1188                         }
1189                 }
1190                 if(!gamespec.isValid()){
1191                         errorstream<<"Subgame ["<<gamespec.id<<"] could not be found."
1192                                         <<std::endl;
1193                         return 1;
1194                 }
1195                 verbosestream<<_("Using gameid")<<" ["<<gamespec.id<<"]"<<std::endl;
1196
1197                 // Create server
1198                 Server server(world_path, configpath, gamespec, false);
1199                 server.start(port);
1200
1201                 // Run server
1202                 dedicated_server_loop(server, kill);
1203
1204                 return 0;
1205         }
1206
1207 #ifndef SERVER // Exclude from dedicated server build
1208
1209         /*
1210                 More parameters
1211         */
1212
1213         std::string address = g_settings->get("address");
1214         if(commanded_world != "")
1215                 address = "";
1216         else if(cmd_args.exists("address"))
1217                 address = cmd_args.get("address");
1218
1219         std::string playername = g_settings->get("name");
1220         if(cmd_args.exists("name"))
1221                 playername = cmd_args.get("name");
1222
1223         bool skip_main_menu = cmd_args.getFlag("go");
1224
1225         /*
1226                 Device initialization
1227         */
1228
1229         // Resolution selection
1230
1231         bool fullscreen = g_settings->getBool("fullscreen");
1232         u16 screenW = g_settings->getU16("screenW");
1233         u16 screenH = g_settings->getU16("screenH");
1234
1235         // bpp, fsaa, vsync
1236
1237         bool vsync = g_settings->getBool("vsync");
1238         u16 bits = g_settings->getU16("fullscreen_bpp");
1239         u16 fsaa = g_settings->getU16("fsaa");
1240
1241         // Determine driver
1242
1243         video::E_DRIVER_TYPE driverType;
1244
1245         std::string driverstring = g_settings->get("video_driver");
1246
1247         if(driverstring == "null")
1248                 driverType = video::EDT_NULL;
1249         else if(driverstring == "software")
1250                 driverType = video::EDT_SOFTWARE;
1251         else if(driverstring == "burningsvideo")
1252                 driverType = video::EDT_BURNINGSVIDEO;
1253         else if(driverstring == "direct3d8")
1254                 driverType = video::EDT_DIRECT3D8;
1255         else if(driverstring == "direct3d9")
1256                 driverType = video::EDT_DIRECT3D9;
1257         else if(driverstring == "opengl")
1258                 driverType = video::EDT_OPENGL;
1259         else
1260         {
1261                 errorstream<<"WARNING: Invalid video_driver specified; defaulting "
1262                                 "to opengl"<<std::endl;
1263                 driverType = video::EDT_OPENGL;
1264         }
1265
1266         /*
1267                 Create device and exit if creation failed
1268         */
1269
1270         MyEventReceiver receiver;
1271
1272         IrrlichtDevice *device;
1273
1274         SIrrlichtCreationParameters params = SIrrlichtCreationParameters();
1275         params.DriverType    = driverType;
1276         params.WindowSize    = core::dimension2d<u32>(screenW, screenH);
1277         params.Bits          = bits;
1278         params.AntiAlias     = fsaa;
1279         params.Fullscreen    = fullscreen;
1280         params.Stencilbuffer = false;
1281         params.Vsync         = vsync;
1282         params.EventReceiver = &receiver;
1283
1284         device = createDeviceEx(params);
1285
1286         if (device == 0)
1287                 return 1; // could not create selected driver.
1288
1289         /*
1290                 Continue initialization
1291         */
1292
1293         video::IVideoDriver* driver = device->getVideoDriver();
1294
1295         // Disable mipmaps (because some of them look ugly)
1296         driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, false);
1297
1298         /*
1299                 This changes the minimum allowed number of vertices in a VBO.
1300                 Default is 500.
1301         */
1302         //driver->setMinHardwareBufferVertexCount(50);
1303
1304         // Create time getter
1305         g_timegetter = new IrrlichtTimeGetter(device);
1306
1307         // Create game callback for menus
1308         g_gamecallback = new MainGameCallback(device);
1309
1310         /*
1311                 Speed tests (done after irrlicht is loaded to get timer)
1312         */
1313         if(cmd_args.getFlag("speedtests"))
1314         {
1315                 dstream<<"Running speed tests"<<std::endl;
1316                 SpeedTests();
1317                 return 0;
1318         }
1319
1320         device->setResizable(true);
1321
1322         bool random_input = g_settings->getBool("random_input")
1323                         || cmd_args.getFlag("random-input");
1324         InputHandler *input = NULL;
1325         if(random_input)
1326                 input = new RandomInputHandler();
1327         else
1328                 input = new RealInputHandler(device, &receiver);
1329
1330         scene::ISceneManager* smgr = device->getSceneManager();
1331
1332         guienv = device->getGUIEnvironment();
1333         gui::IGUISkin* skin = guienv->getSkin();
1334         gui::IGUIFont* font = guienv->getFont(getTexturePath("fontlucida.png").c_str());
1335         if(font)
1336                 skin->setFont(font);
1337         else
1338                 errorstream<<"WARNING: Font file was not found."
1339                                 " Using default font."<<std::endl;
1340         // If font was not found, this will get us one
1341         font = skin->getFont();
1342         assert(font);
1343
1344         u32 text_height = font->getDimension(L"Hello, world!").Height;
1345         infostream<<"text_height="<<text_height<<std::endl;
1346
1347         //skin->setColor(gui::EGDC_BUTTON_TEXT, video::SColor(255,0,0,0));
1348         skin->setColor(gui::EGDC_BUTTON_TEXT, video::SColor(255,255,255,255));
1349         //skin->setColor(gui::EGDC_3D_HIGH_LIGHT, video::SColor(0,0,0,0));
1350         //skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(0,0,0,0));
1351         skin->setColor(gui::EGDC_3D_HIGH_LIGHT, video::SColor(255,0,0,0));
1352         skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(255,0,0,0));
1353         skin->setColor(gui::EGDC_HIGH_LIGHT, video::SColor(255,70,100,50));
1354         skin->setColor(gui::EGDC_HIGH_LIGHT_TEXT, video::SColor(255,255,255,255));
1355
1356         /*
1357                 GUI stuff
1358         */
1359
1360         ChatBackend chat_backend;
1361
1362         /*
1363                 If an error occurs, this is set to something and the
1364                 menu-game loop is restarted. It is then displayed before
1365                 the menu.
1366         */
1367         std::wstring error_message = L"";
1368
1369         // The password entered during the menu screen,
1370         std::string password;
1371
1372         bool first_loop = true;
1373
1374         /*
1375                 Menu-game loop
1376         */
1377         while(device->run() && kill == false)
1378         {
1379                 // Set the window caption
1380                 device->setWindowCaption((std::wstring(L"Minetest [")+wgettext("Main Menu")+L"]").c_str());
1381
1382                 // This is used for catching disconnects
1383                 try
1384                 {
1385
1386                         /*
1387                                 Clear everything from the GUIEnvironment
1388                         */
1389                         guienv->clear();
1390
1391                         /*
1392                                 We need some kind of a root node to be able to add
1393                                 custom gui elements directly on the screen.
1394                                 Otherwise they won't be automatically drawn.
1395                         */
1396                         guiroot = guienv->addStaticText(L"",
1397                                         core::rect<s32>(0, 0, 10000, 10000));
1398
1399                         SubgameSpec gamespec;
1400                         WorldSpec worldspec;
1401                         bool simple_singleplayer_mode = false;
1402
1403                         // These are set up based on the menu and other things
1404                         std::string current_playername = "inv£lid";
1405                         std::string current_password = "";
1406                         std::string current_address = "does-not-exist";
1407                         int current_port = 0;
1408
1409                         /*
1410                                 Out-of-game menu loop.
1411
1412                                 Loop quits when menu returns proper parameters.
1413                         */
1414                         while(kill == false)
1415                         {
1416                                 // If skip_main_menu, only go through here once
1417                                 if(skip_main_menu && !first_loop){
1418                                         kill = true;
1419                                         break;
1420                                 }
1421                                 first_loop = false;
1422
1423                                 // Cursor can be non-visible when coming from the game
1424                                 device->getCursorControl()->setVisible(true);
1425                                 // Some stuff are left to scene manager when coming from the game
1426                                 // (map at least?)
1427                                 smgr->clear();
1428
1429                                 // Initialize menu data
1430                                 MainMenuData menudata;
1431                                 if(g_settings->exists("selected_mainmenu_tab"))
1432                                         menudata.selected_tab = g_settings->getS32("selected_mainmenu_tab");
1433                                 menudata.address = narrow_to_wide(address);
1434                                 menudata.name = narrow_to_wide(playername);
1435                                 menudata.port = narrow_to_wide(itos(port));
1436                                 if(cmd_args.exists("password"))
1437                                         menudata.password = narrow_to_wide(cmd_args.get("password"));
1438                                 menudata.fancy_trees = g_settings->getBool("new_style_leaves");
1439                                 menudata.smooth_lighting = g_settings->getBool("smooth_lighting");
1440                                 menudata.clouds_3d = g_settings->getBool("enable_3d_clouds");
1441                                 menudata.opaque_water = g_settings->getBool("opaque_water");
1442                                 menudata.creative_mode = g_settings->getBool("creative_mode");
1443                                 menudata.enable_damage = g_settings->getBool("enable_damage");
1444                                 // Default to selecting nothing
1445                                 menudata.selected_world = -1;
1446                                 // Get world listing for the menu
1447                                 std::vector<WorldSpec> worldspecs = getAvailableWorlds();
1448                                 // If there is only one world, select it
1449                                 if(worldspecs.size() == 1){
1450                                         menudata.selected_world = 0;
1451                                 }
1452                                 // Otherwise try to select according to selected_world_path
1453                                 else if(g_settings->exists("selected_world_path")){
1454                                         std::string trypath = g_settings->get("selected_world_path");
1455                                         for(u32 i=0; i<worldspecs.size(); i++){
1456                                                 if(worldspecs[i].path == trypath){
1457                                                         menudata.selected_world = i;
1458                                                         break;
1459                                                 }
1460                                         }
1461                                 }
1462                                 // If a world was commanded, append and select it
1463                                 if(commanded_world != ""){
1464                                         std::string gameid = getWorldGameId(commanded_world, true);
1465                                         std::string name = _("[--world parameter]");
1466                                         if(gameid == ""){
1467                                                 gameid = g_settings->get("default_game");
1468                                                 name += " [new]";
1469                                         }
1470                                         WorldSpec spec(commanded_world, name, gameid);
1471                                         worldspecs.push_back(spec);
1472                                         menudata.selected_world = worldspecs.size()-1;
1473                                 }
1474                                 // Copy worldspecs to menu
1475                                 menudata.worlds = worldspecs;
1476
1477                                 if(skip_main_menu == false)
1478                                 {
1479                                         video::IVideoDriver* driver = device->getVideoDriver();
1480
1481                                         infostream<<"Waiting for other menus"<<std::endl;
1482                                         while(device->run() && kill == false)
1483                                         {
1484                                                 if(noMenuActive())
1485                                                         break;
1486                                                 driver->beginScene(true, true,
1487                                                                 video::SColor(255,128,128,128));
1488                                                 drawMenuBackground(driver);
1489                                                 guienv->drawAll();
1490                                                 driver->endScene();
1491                                                 // On some computers framerate doesn't seem to be
1492                                                 // automatically limited
1493                                                 sleep_ms(25);
1494                                         }
1495                                         infostream<<"Waited for other menus"<<std::endl;
1496
1497                                         GUIMainMenu *menu =
1498                                                         new GUIMainMenu(guienv, guiroot, -1,
1499                                                                 &g_menumgr, &menudata, g_gamecallback);
1500                                         menu->allowFocusRemoval(true);
1501
1502                                         if(error_message != L"")
1503                                         {
1504                                                 verbosestream<<"error_message = "
1505                                                                 <<wide_to_narrow(error_message)<<std::endl;
1506
1507                                                 GUIMessageMenu *menu2 =
1508                                                                 new GUIMessageMenu(guienv, guiroot, -1,
1509                                                                         &g_menumgr, error_message.c_str());
1510                                                 menu2->drop();
1511                                                 error_message = L"";
1512                                         }
1513
1514                                         infostream<<"Created main menu"<<std::endl;
1515
1516                                         while(device->run() && kill == false)
1517                                         {
1518                                                 if(menu->getStatus() == true)
1519                                                         break;
1520
1521                                                 //driver->beginScene(true, true, video::SColor(255,0,0,0));
1522                                                 driver->beginScene(true, true, video::SColor(255,128,128,128));
1523
1524                                                 drawMenuBackground(driver);
1525
1526                                                 guienv->drawAll();
1527
1528                                                 driver->endScene();
1529
1530                                                 // On some computers framerate doesn't seem to be
1531                                                 // automatically limited
1532                                                 sleep_ms(25);
1533                                         }
1534
1535                                         infostream<<"Dropping main menu"<<std::endl;
1536
1537                                         menu->drop();
1538                                 }
1539
1540                                 playername = wide_to_narrow(menudata.name);
1541                                 password = translatePassword(playername, menudata.password);
1542                                 //infostream<<"Main: password hash: '"<<password<<"'"<<std::endl;
1543
1544                                 address = wide_to_narrow(menudata.address);
1545                                 int newport = stoi(wide_to_narrow(menudata.port));
1546                                 if(newport != 0)
1547                                         port = newport;
1548                                 simple_singleplayer_mode = menudata.simple_singleplayer_mode;
1549                                 // Save settings
1550                                 g_settings->setS32("selected_mainmenu_tab", menudata.selected_tab);
1551                                 g_settings->set("new_style_leaves", itos(menudata.fancy_trees));
1552                                 g_settings->set("smooth_lighting", itos(menudata.smooth_lighting));
1553                                 g_settings->set("enable_3d_clouds", itos(menudata.clouds_3d));
1554                                 g_settings->set("opaque_water", itos(menudata.opaque_water));
1555                                 g_settings->set("creative_mode", itos(menudata.creative_mode));
1556                                 g_settings->set("enable_damage", itos(menudata.enable_damage));
1557                                 g_settings->set("name", playername);
1558                                 g_settings->set("address", address);
1559                                 g_settings->set("port", itos(port));
1560                                 if(menudata.selected_world != -1)
1561                                         g_settings->set("selected_world_path",
1562                                                         worldspecs[menudata.selected_world].path);
1563
1564                                 // Break out of menu-game loop to shut down cleanly
1565                                 if(device->run() == false || kill == true)
1566                                         break;
1567
1568                                 current_playername = playername;
1569                                 current_password = password;
1570                                 current_address = address;
1571                                 current_port = port;
1572
1573                                 // If using simple singleplayer mode, override
1574                                 if(simple_singleplayer_mode){
1575                                         current_playername = "singleplayer";
1576                                         current_password = "";
1577                                         current_address = "";
1578                                         current_port = 30011;
1579                                 }
1580
1581                                 // Set world path to selected one
1582                                 if(menudata.selected_world != -1){
1583                                         worldspec = worldspecs[menudata.selected_world];
1584                                         infostream<<"Selected world: "<<worldspec.name
1585                                                         <<" ["<<worldspec.path<<"]"<<std::endl;
1586                                 }
1587
1588                                 // Only refresh if so requested
1589                                 if(menudata.only_refresh){
1590                                         infostream<<"Refreshing menu"<<std::endl;
1591                                         continue;
1592                                 }
1593
1594                                 // Create new world if requested
1595                                 if(menudata.create_world_name != L"")
1596                                 {
1597                                         std::string path = porting::path_user + DIR_DELIM
1598                                                         "worlds" + DIR_DELIM
1599                                                         + wide_to_narrow(menudata.create_world_name);
1600                                         // Create world if it doesn't exist
1601                                         if(!initializeWorld(path, menudata.create_world_gameid)){
1602                                                 error_message = wgettext("Failed to initialize world");
1603                                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1604                                                 continue;
1605                                         }
1606                                         g_settings->set("selected_world_path", path);
1607                                         continue;
1608                                 }
1609
1610                                 // If local game
1611                                 if(current_address == "")
1612                                 {
1613                                         if(menudata.selected_world == -1){
1614                                                 error_message = wgettext("No world selected and no address "
1615                                                                 "provided. Nothing to do.");
1616                                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1617                                                 continue;
1618                                         }
1619                                         // Load gamespec for required game
1620                                         gamespec = findWorldSubgame(worldspec.path);
1621                                         if(!gamespec.isValid() && !commanded_gamespec.isValid()){
1622                                                 error_message = wgettext("Could not find or load game \"")
1623                                                                 + narrow_to_wide(worldspec.gameid) + L"\"";
1624                                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1625                                                 continue;
1626                                         }
1627                                         if(commanded_gamespec.isValid() &&
1628                                                         commanded_gamespec.id != worldspec.gameid){
1629                                                 errorstream<<"WARNING: Overriding gamespec from \""
1630                                                                 <<worldspec.gameid<<"\" to \""
1631                                                                 <<commanded_gamespec.id<<"\""<<std::endl;
1632                                                 gamespec = commanded_gamespec;
1633                                         }
1634
1635                                         if(!gamespec.isValid()){
1636                                                 error_message = wgettext("Invalid gamespec.");
1637                                                 error_message += L" (world_gameid="
1638                                                                 +narrow_to_wide(worldspec.gameid)+L")";
1639                                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1640                                                 continue;
1641                                         }
1642                                 }
1643
1644                                 // Continue to game
1645                                 break;
1646                         }
1647
1648                         // Break out of menu-game loop to shut down cleanly
1649                         if(device->run() == false || kill == true)
1650                                 break;
1651
1652                         /*
1653                                 Run game
1654                         */
1655                         the_game(
1656                                 kill,
1657                                 random_input,
1658                                 input,
1659                                 device,
1660                                 font,
1661                                 worldspec.path,
1662                                 current_playername,
1663                                 current_password,
1664                                 current_address,
1665                                 current_port,
1666                                 error_message,
1667                                 configpath,
1668                                 chat_backend,
1669                                 gamespec,
1670                                 simple_singleplayer_mode
1671                         );
1672
1673                 } //try
1674                 catch(con::PeerNotFoundException &e)
1675                 {
1676                         error_message = wgettext("Connection error (timed out?)");
1677                         errorstream<<wide_to_narrow(error_message)<<std::endl;
1678                 }
1679                 catch(ServerError &e)
1680                 {
1681                         error_message = narrow_to_wide(e.what());
1682                         errorstream<<wide_to_narrow(error_message)<<std::endl;
1683                 }
1684                 catch(ModError &e)
1685                 {
1686                         errorstream<<e.what()<<std::endl;
1687                         error_message = narrow_to_wide(e.what()) + wgettext("\nCheck debug.txt for details.");
1688                 }
1689 #ifdef NDEBUG
1690                 catch(std::exception &e)
1691                 {
1692                         std::string narrow_message = "Some exception: \"";
1693                         narrow_message += e.what();
1694                         narrow_message += "\"";
1695                         errorstream<<narrow_message<<std::endl;
1696                         error_message = narrow_to_wide(narrow_message);
1697                 }
1698 #endif
1699
1700                 // If no main menu, show error and exit
1701                 if(skip_main_menu)
1702                 {
1703                         if(error_message != L""){
1704                                 verbosestream<<"error_message = "
1705                                                 <<wide_to_narrow(error_message)<<std::endl;
1706                                 retval = 1;
1707                         }
1708                         break;
1709                 }
1710         } // Menu-game loop
1711
1712         delete input;
1713
1714         /*
1715                 In the end, delete the Irrlicht device.
1716         */
1717         device->drop();
1718
1719 #endif // !SERVER
1720
1721         // Update configuration file
1722         if(configpath != "")
1723                 g_settings->updateConfigFile(configpath.c_str());
1724
1725         // Print modified quicktune values
1726         {
1727                 bool header_printed = false;
1728                 std::vector<std::string> names = getQuicktuneNames();
1729                 for(u32 i=0; i<names.size(); i++){
1730                         QuicktuneValue val = getQuicktuneValue(names[i]);
1731                         if(!val.modified)
1732                                 continue;
1733                         if(!header_printed){
1734                                 dstream<<"Modified quicktune values:"<<std::endl;
1735                                 header_printed = true;
1736                         }
1737                         dstream<<names[i]<<" = "<<val.getString()<<std::endl;
1738                 }
1739         }
1740
1741         END_DEBUG_EXCEPTION_HANDLER(errorstream)
1742
1743         debugstreams_deinit();
1744
1745         return retval;
1746 }
1747
1748 //END
1749