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 #if USE_FREETYPE
  72 #include "xCGUITTFont.h"
  73 #endif
  74 #include "util/string.h"
  75 #include "subgame.h"
  76 #include "quicktune.h"
  77 #include "serverlist.h"
  78
  79 /*
  80         Settings.
  81         These are loaded from the config file.
  82 */
  83 Settings main_settings;
  84 Settings *g_settings = &main_settings;
  85
  86 // Global profiler
  87 Profiler main_profiler;
  88 Profiler *g_profiler = &main_profiler;
  89
  90 /*
  91         Debug streams
  92 */
  93
  94 // Connection
  95 std::ostream *dout_con_ptr = &dummyout;
  96 std::ostream *derr_con_ptr = &verbosestream;
  97
  98 // Server
  99 std::ostream *dout_server_ptr = &infostream;
 100 std::ostream *derr_server_ptr = &errorstream;
 101
 102 // Client
 103 std::ostream *dout_client_ptr = &infostream;
 104 std::ostream *derr_client_ptr = &errorstream;
 105
 106 #ifndef SERVER
 107 /*
 108         Random stuff
 109 */
 110
 111 /* mainmenumanager.h */
 112
 113 gui::IGUIEnvironment* guienv = NULL;
 114 gui::IGUIStaticText *guiroot = NULL;
 115 MainMenuManager g_menumgr;
 116
 117 bool noMenuActive()
 118 {
 119         return (g_menumgr.menuCount() == 0);
 120 }
 121
 122 // Passed to menus to allow disconnecting and exiting
 123 MainGameCallback *g_gamecallback = NULL;
 124 #endif
 125
 126 /*
 127         gettime.h implementation
 128 */
 129
 130 #ifdef SERVER
 131
 132 u32 getTimeMs()
 133 {
 134         /* Use imprecise system calls directly (from porting.h) */
 135         return porting::getTimeMs();
 136 }
 137
 138 #else
 139
 140 // A small helper class
 141 class TimeGetter
 142 {
 143 public:
 144         virtual u32 getTime() = 0;
 145 };
 146
 147 // A precise irrlicht one
 148 class IrrlichtTimeGetter: public TimeGetter
 149 {
 150 public:
 151         IrrlichtTimeGetter(IrrlichtDevice *device):
 152                 m_device(device)
 153         {}
 154         u32 getTime()
 155         {
 156                 if(m_device == NULL)
 157                         return 0;
 158                 return m_device->getTimer()->getRealTime();
 159         }
 160 private:
 161         IrrlichtDevice *m_device;
 162 };
 163 // Not so precise one which works without irrlicht
 164 class SimpleTimeGetter: public TimeGetter
 165 {
 166 public:
 167         u32 getTime()
 168         {
 169                 return porting::getTimeMs();
 170         }
 171 };
 172
 173 // A pointer to a global instance of the time getter
 174 // TODO: why?
 175 TimeGetter *g_timegetter = NULL;
 176
 177 u32 getTimeMs()
 178 {
 179         if(g_timegetter == NULL)
 180                 return 0;
 181         return g_timegetter->getTime();
 182 }
 183
 184 #endif
 185
 186 class StderrLogOutput: public ILogOutput
 187 {
 188 public:
 189         /* line: Full line with timestamp, level and thread */
 190         void printLog(const std::string &line)
 191         {
 192                 std::cerr<<line<<std::endl;
 193         }
 194 } main_stderr_log_out;
 195
 196 class DstreamNoStderrLogOutput: public ILogOutput
 197 {
 198 public:
 199         /* line: Full line with timestamp, level and thread */
 200         void printLog(const std::string &line)
 201         {
 202                 dstream_no_stderr<<line<<std::endl;
 203         }
 204 } main_dstream_no_stderr_log_out;
 205
 206 #ifndef SERVER
 207
 208 /*
 209         Event handler for Irrlicht
 210
 211         NOTE: Everything possible should be moved out from here,
 212               probably to InputHandler and the_game
 213 */
 214
 215 class MyEventReceiver : public IEventReceiver
 216 {
 217 public:
 218         // This is the one method that we have to implement
 219         virtual bool OnEvent(const SEvent& event)
 220         {
 221                 /*
 222                         React to nothing here if a menu is active
 223                 */
 224                 if(noMenuActive() == false)
 225                 {
 226                         return false;
 227                 }
 228
 229                 // Remember whether each key is down or up
 230                 if(event.EventType == irr::EET_KEY_INPUT_EVENT)
 231                 {
 232                         if(event.KeyInput.PressedDown) {
 233                                 keyIsDown.set(event.KeyInput);
 234                                 keyWasDown.set(event.KeyInput);
 235                         } else {
 236                                 keyIsDown.unset(event.KeyInput);
 237                         }
 238                 }
 239
 240                 if(event.EventType == irr::EET_MOUSE_INPUT_EVENT)
 241                 {
 242                         if(noMenuActive() == false)
 243                         {
 244                                 left_active = false;
 245                                 middle_active = false;
 246                                 right_active = false;
 247                         }
 248                         else
 249                         {
 250                                 left_active = event.MouseInput.isLeftPressed();
 251                                 middle_active = event.MouseInput.isMiddlePressed();
 252                                 right_active = event.MouseInput.isRightPressed();
 253
 254                                 if(event.MouseInput.Event == EMIE_LMOUSE_PRESSED_DOWN)
 255                                 {
 256                                         leftclicked = true;
 257                                 }
 258                                 if(event.MouseInput.Event == EMIE_RMOUSE_PRESSED_DOWN)
 259                                 {
 260                                         rightclicked = true;
 261                                 }
 262                                 if(event.MouseInput.Event == EMIE_LMOUSE_LEFT_UP)
 263                                 {
 264                                         leftreleased = true;
 265                                 }
 266                                 if(event.MouseInput.Event == EMIE_RMOUSE_LEFT_UP)
 267                                 {
 268                                         rightreleased = true;
 269                                 }
 270                                 if(event.MouseInput.Event == EMIE_MOUSE_WHEEL)
 271                                 {
 272                                         mouse_wheel += event.MouseInput.Wheel;
 273                                 }
 274                         }
 275                 }
 276
 277                 return false;
 278         }
 279
 280         bool IsKeyDown(const KeyPress &keyCode) const
 281         {
 282                 return keyIsDown[keyCode];
 283         }
 284
 285         // Checks whether a key was down and resets the state
 286         bool WasKeyDown(const KeyPress &keyCode)
 287         {
 288                 bool b = keyWasDown[keyCode];
 289                 if (b)
 290                         keyWasDown.unset(keyCode);
 291                 return b;
 292         }
 293
 294         s32 getMouseWheel()
 295         {
 296                 s32 a = mouse_wheel;
 297                 mouse_wheel = 0;
 298                 return a;
 299         }
 300
 301         void clearInput()
 302         {
 303                 keyIsDown.clear();
 304                 keyWasDown.clear();
 305
 306                 leftclicked = false;
 307                 rightclicked = false;
 308                 leftreleased = false;
 309                 rightreleased = false;
 310
 311                 left_active = false;
 312                 middle_active = false;
 313                 right_active = false;
 314
 315                 mouse_wheel = 0;
 316         }
 317
 318         MyEventReceiver()
 319         {
 320                 clearInput();
 321         }
 322
 323         bool leftclicked;
 324         bool rightclicked;
 325         bool leftreleased;
 326         bool rightreleased;
 327
 328         bool left_active;
 329         bool middle_active;
 330         bool right_active;
 331
 332         s32 mouse_wheel;
 333
 334 private:
 335         IrrlichtDevice *m_device;
 336
 337         // The current state of keys
 338         KeyList keyIsDown;
 339         // Whether a key has been pressed or not
 340         KeyList keyWasDown;
 341 };
 342
 343 /*
 344         Separated input handler
 345 */
 346
 347 class RealInputHandler : public InputHandler
 348 {
 349 public:
 350         RealInputHandler(IrrlichtDevice *device, MyEventReceiver *receiver):
 351                 m_device(device),
 352                 m_receiver(receiver)
 353         {
 354         }
 355         virtual bool isKeyDown(const KeyPress &keyCode)
 356         {
 357                 return m_receiver->IsKeyDown(keyCode);
 358         }
 359         virtual bool wasKeyDown(const KeyPress &keyCode)
 360         {
 361                 return m_receiver->WasKeyDown(keyCode);
 362         }
 363         virtual v2s32 getMousePos()
 364         {
 365                 return m_device->getCursorControl()->getPosition();
 366         }
 367         virtual void setMousePos(s32 x, s32 y)
 368         {
 369                 m_device->getCursorControl()->setPosition(x, y);
 370         }
 371
 372         virtual bool getLeftState()
 373         {
 374                 return m_receiver->left_active;
 375         }
 376         virtual bool getRightState()
 377         {
 378                 return m_receiver->right_active;
 379         }
 380
 381         virtual bool getLeftClicked()
 382         {
 383                 return m_receiver->leftclicked;
 384         }
 385         virtual bool getRightClicked()
 386         {
 387                 return m_receiver->rightclicked;
 388         }
 389         virtual void resetLeftClicked()
 390         {
 391                 m_receiver->leftclicked = false;
 392         }
 393         virtual void resetRightClicked()
 394         {
 395                 m_receiver->rightclicked = false;
 396         }
 397
 398         virtual bool getLeftReleased()
 399         {
 400                 return m_receiver->leftreleased;
 401         }
 402         virtual bool getRightReleased()
 403         {
 404                 return m_receiver->rightreleased;
 405         }
 406         virtual void resetLeftReleased()
 407         {
 408                 m_receiver->leftreleased = false;
 409         }
 410         virtual void resetRightReleased()
 411         {
 412                 m_receiver->rightreleased = false;
 413         }
 414
 415         virtual s32 getMouseWheel()
 416         {
 417                 return m_receiver->getMouseWheel();
 418         }
 419
 420         void clear()
 421         {
 422                 m_receiver->clearInput();
 423         }
 424 private:
 425         IrrlichtDevice *m_device;
 426         MyEventReceiver *m_receiver;
 427 };
 428
 429 class RandomInputHandler : public InputHandler
 430 {
 431 public:
 432         RandomInputHandler()
 433         {
 434                 leftdown = false;
 435                 rightdown = false;
 436                 leftclicked = false;
 437                 rightclicked = false;
 438                 leftreleased = false;
 439                 rightreleased = false;
 440                 keydown.clear();
 441         }
 442         virtual bool isKeyDown(const KeyPress &keyCode)
 443         {
 444                 return keydown[keyCode];
 445         }
 446         virtual bool wasKeyDown(const KeyPress &keyCode)
 447         {
 448                 return false;
 449         }
 450         virtual v2s32 getMousePos()
 451         {
 452                 return mousepos;
 453         }
 454         virtual void setMousePos(s32 x, s32 y)
 455         {
 456                 mousepos = v2s32(x,y);
 457         }
 458
 459         virtual bool getLeftState()
 460         {
 461                 return leftdown;
 462         }
 463         virtual bool getRightState()
 464         {
 465                 return rightdown;
 466         }
 467
 468         virtual bool getLeftClicked()
 469         {
 470                 return leftclicked;
 471         }
 472         virtual bool getRightClicked()
 473         {
 474                 return rightclicked;
 475         }
 476         virtual void resetLeftClicked()
 477         {
 478                 leftclicked = false;
 479         }
 480         virtual void resetRightClicked()
 481         {
 482                 rightclicked = false;
 483         }
 484
 485         virtual bool getLeftReleased()
 486         {
 487                 return leftreleased;
 488         }
 489         virtual bool getRightReleased()
 490         {
 491                 return rightreleased;
 492         }
 493         virtual void resetLeftReleased()
 494         {
 495                 leftreleased = false;
 496         }
 497         virtual void resetRightReleased()
 498         {
 499                 rightreleased = false;
 500         }
 501
 502         virtual s32 getMouseWheel()
 503         {
 504                 return 0;
 505         }
 506
 507         virtual void step(float dtime)
 508         {
 509                 {
 510                         static float counter1 = 0;
 511                         counter1 -= dtime;
 512                         if(counter1 < 0.0)
 513                         {
 514                                 counter1 = 0.1*Rand(1, 40);
 515                                 keydown.toggle(getKeySetting("keymap_jump"));
 516                         }
 517                 }
 518                 {
 519                         static float counter1 = 0;
 520                         counter1 -= dtime;
 521                         if(counter1 < 0.0)
 522                         {
 523                                 counter1 = 0.1*Rand(1, 40);
 524                                 keydown.toggle(getKeySetting("keymap_special1"));
 525                         }
 526                 }
 527                 {
 528                         static float counter1 = 0;
 529                         counter1 -= dtime;
 530                         if(counter1 < 0.0)
 531                         {
 532                                 counter1 = 0.1*Rand(1, 40);
 533                                 keydown.toggle(getKeySetting("keymap_forward"));
 534                         }
 535                 }
 536                 {
 537                         static float counter1 = 0;
 538                         counter1 -= dtime;
 539                         if(counter1 < 0.0)
 540                         {
 541                                 counter1 = 0.1*Rand(1, 40);
 542                                 keydown.toggle(getKeySetting("keymap_left"));
 543                         }
 544                 }
 545                 {
 546                         static float counter1 = 0;
 547                         counter1 -= dtime;
 548                         if(counter1 < 0.0)
 549                         {
 550                                 counter1 = 0.1*Rand(1, 20);
 551                                 mousespeed = v2s32(Rand(-20,20), Rand(-15,20));
 552                         }
 553                 }
 554                 {
 555                         static float counter1 = 0;
 556                         counter1 -= dtime;
 557                         if(counter1 < 0.0)
 558                         {
 559                                 counter1 = 0.1*Rand(1, 30);
 560                                 leftdown = !leftdown;
 561                                 if(leftdown)
 562                                         leftclicked = true;
 563                                 if(!leftdown)
 564                                         leftreleased = true;
 565                         }
 566                 }
 567                 {
 568                         static float counter1 = 0;
 569                         counter1 -= dtime;
 570                         if(counter1 < 0.0)
 571                         {
 572                                 counter1 = 0.1*Rand(1, 15);
 573                                 rightdown = !rightdown;
 574                                 if(rightdown)
 575                                         rightclicked = true;
 576                                 if(!rightdown)
 577                                         rightreleased = true;
 578                         }
 579                 }
 580                 mousepos += mousespeed;
 581         }
 582
 583         s32 Rand(s32 min, s32 max)
 584         {
 585                 return (myrand()%(max-min+1))+min;
 586         }
 587 private:
 588         KeyList keydown;
 589         v2s32 mousepos;
 590         v2s32 mousespeed;
 591         bool leftdown;
 592         bool rightdown;
 593         bool leftclicked;
 594         bool rightclicked;
 595         bool leftreleased;
 596         bool rightreleased;
 597 };
 598
 599 void drawMenuBackground(video::IVideoDriver* driver)
 600 {
 601         core::dimension2d<u32> screensize = driver->getScreenSize();
 602
 603         video::ITexture *bgtexture =
 604                         driver->getTexture(getTexturePath("menubg.png").c_str());
 605         if(bgtexture)
 606         {
 607                 s32 scaledsize = 128;
 608
 609                 // The important difference between destsize and screensize is
 610                 // that destsize is rounded to whole scaled pixels.
 611                 // These formulas use component-wise multiplication and division of v2u32.
 612                 v2u32 texturesize = bgtexture->getSize();
 613                 v2u32 sourcesize = texturesize * screensize / scaledsize + v2u32(1,1);
 614                 v2u32 destsize = scaledsize * sourcesize / texturesize;
 615
 616                 // Default texture wrapping mode in Irrlicht is ETC_REPEAT.
 617                 driver->draw2DImage(bgtexture,
 618                         core::rect<s32>(0, 0, destsize.X, destsize.Y),
 619                         core::rect<s32>(0, 0, sourcesize.X, sourcesize.Y),
 620                         NULL, NULL, true);
 621         }
 622
 623         video::ITexture *logotexture =
 624                         driver->getTexture(getTexturePath("menulogo.png").c_str());
 625         if(logotexture)
 626         {
 627                 v2s32 logosize(logotexture->getOriginalSize().Width,
 628                                 logotexture->getOriginalSize().Height);
 629                 logosize *= 4;
 630
 631                 video::SColor bgcolor(255,50,50,50);
 632                 core::rect<s32> bgrect(0, screensize.Height-logosize.Y-20,
 633                                 screensize.Width, screensize.Height);
 634                 driver->draw2DRectangle(bgcolor, bgrect, NULL);
 635
 636                 core::rect<s32> rect(0,0,logosize.X,logosize.Y);
 637                 rect += v2s32(screensize.Width/2,screensize.Height-10-logosize.Y);
 638                 rect -= v2s32(logosize.X/2, 0);
 639                 driver->draw2DImage(logotexture, rect,
 640                         core::rect<s32>(core::position2d<s32>(0,0),
 641                         core::dimension2di(logotexture->getSize())),
 642                         NULL, NULL, true);
 643         }
 644 }
 645
 646 #endif
 647
 648 // These are defined global so that they're not optimized too much.
 649 // Can't change them to volatile.
 650 s16 temp16;
 651 f32 tempf;
 652 v3f tempv3f1;
 653 v3f tempv3f2;
 654 std::string tempstring;
 655 std::string tempstring2;
 656
 657 void SpeedTests()
 658 {
 659         {
 660                 infostream<<"The following test should take around 20ms."<<std::endl;
 661                 TimeTaker timer("Testing std::string speed");
 662                 const u32 jj = 10000;
 663                 for(u32 j=0; j<jj; j++)
 664                 {
 665                         tempstring = "";
 666                         tempstring2 = "";
 667                         const u32 ii = 10;
 668                         for(u32 i=0; i<ii; i++){
 669                                 tempstring2 += "asd";
 670                         }
 671                         for(u32 i=0; i<ii+1; i++){
 672                                 tempstring += "asd";
 673                                 if(tempstring == tempstring2)
 674                                         break;
 675                         }
 676                 }
 677         }
 678
 679         infostream<<"All of the following tests should take around 100ms each."
 680                         <<std::endl;
 681
 682         {
 683                 TimeTaker timer("Testing floating-point conversion speed");
 684                 tempf = 0.001;
 685                 for(u32 i=0; i<4000000; i++){
 686                         temp16 += tempf;
 687                         tempf += 0.001;
 688                 }
 689         }
 690
 691         {
 692                 TimeTaker timer("Testing floating-point vector speed");
 693
 694                 tempv3f1 = v3f(1,2,3);
 695                 tempv3f2 = v3f(4,5,6);
 696                 for(u32 i=0; i<10000000; i++){
 697                         tempf += tempv3f1.dotProduct(tempv3f2);
 698                         tempv3f2 += v3f(7,8,9);
 699                 }
 700         }
 701
 702         {
 703                 TimeTaker timer("Testing core::map speed");
 704
 705                 core::map<v2s16, f32> map1;
 706                 tempf = -324;
 707                 const s16 ii=300;
 708                 for(s16 y=0; y<ii; y++){
 709                         for(s16 x=0; x<ii; x++){
 710                                 map1.insert(v2s16(x,y), tempf);
 711                                 tempf += 1;
 712                         }
 713                 }
 714                 for(s16 y=ii-1; y>=0; y--){
 715                         for(s16 x=0; x<ii; x++){
 716                                 tempf = map1[v2s16(x,y)];
 717                         }
 718                 }
 719         }
 720
 721         {
 722                 infostream<<"Around 5000/ms should do well here."<<std::endl;
 723                 TimeTaker timer("Testing mutex speed");
 724
 725                 JMutex m;
 726                 m.Init();
 727                 u32 n = 0;
 728                 u32 i = 0;
 729                 do{
 730                         n += 10000;
 731                         for(; i<n; i++){
 732                                 m.Lock();
 733                                 m.Unlock();
 734                         }
 735                 }
 736                 // Do at least 10ms
 737                 while(timer.getTime() < 10);
 738
 739                 u32 dtime = timer.stop();
 740                 u32 per_ms = n / dtime;
 741                 infostream<<"Done. "<<dtime<<"ms, "
 742                                 <<per_ms<<"/ms"<<std::endl;
 743         }
 744 }
 745
 746 static void print_worldspecs(const std::vector<WorldSpec> &worldspecs,
 747                 std::ostream &os)
 748 {
 749         for(u32 i=0; i<worldspecs.size(); i++){
 750                 std::string name = worldspecs[i].name;
 751                 std::string path = worldspecs[i].path;
 752                 if(name.find(" ") != std::string::npos)
 753                         name = std::string("'") + name + "'";
 754                 path = std::string("'") + path + "'";
 755                 name = padStringRight(name, 14);
 756                 os<<"  "<<name<<" "<<path<<std::endl;
 757         }
 758 }
 759
 760 int main(int argc, char *argv[])
 761 {
 762         int retval = 0;
 763
 764         /*
 765                 Initialization
 766         */
 767
 768         log_add_output_maxlev(&main_stderr_log_out, LMT_ACTION);
 769         log_add_output_all_levs(&main_dstream_no_stderr_log_out);
 770
 771         log_register_thread("main");
 772
 773         // This enables internatonal characters input
 774         if( setlocale(LC_ALL, "") == NULL )
 775         {
 776                 fprintf( stderr, "%s: warning: could not set default locale\n", argv[0] );
 777         }
 778
 779         // Set locale. This is for forcing '.' as the decimal point.
 780         try {
 781                 std::locale::global(std::locale(std::locale(""), "C", std::locale::numeric));
 782                 setlocale(LC_NUMERIC, "C");
 783         } catch (const std::exception& ex) {
 784                 errorstream<<"Could not set numeric locale to C"<<std::endl;
 785         }
 786         /*
 787                 Parse command line
 788         */
 789
 790         // List all allowed options
 791         core::map<std::string, ValueSpec> allowed_options;
 792         allowed_options.insert("help", ValueSpec(VALUETYPE_FLAG,
 793                         _("Show allowed options")));
 794         allowed_options.insert("config", ValueSpec(VALUETYPE_STRING,
 795                         _("Load configuration from specified file")));
 796         allowed_options.insert("port", ValueSpec(VALUETYPE_STRING,
 797                         _("Set network port (UDP)")));
 798         allowed_options.insert("disable-unittests", ValueSpec(VALUETYPE_FLAG,
 799                         _("Disable unit tests")));
 800         allowed_options.insert("enable-unittests", ValueSpec(VALUETYPE_FLAG,
 801                         _("Enable unit tests")));
 802         allowed_options.insert("map-dir", ValueSpec(VALUETYPE_STRING,
 803                         _("Same as --world (deprecated)")));
 804         allowed_options.insert("world", ValueSpec(VALUETYPE_STRING,
 805                         _("Set world path (implies local game) ('list' lists all)")));
 806         allowed_options.insert("worldname", ValueSpec(VALUETYPE_STRING,
 807                         _("Set world by name (implies local game)")));
 808         allowed_options.insert("info", ValueSpec(VALUETYPE_FLAG,
 809                         _("Print more information to console")));
 810         allowed_options.insert("verbose", ValueSpec(VALUETYPE_FLAG,
 811                         _("Print even more information to console")));
 812         allowed_options.insert("trace", ValueSpec(VALUETYPE_FLAG,
 813                         _("Print enormous amounts of information to log and console")));
 814         allowed_options.insert("logfile", ValueSpec(VALUETYPE_STRING,
 815                         _("Set logfile path ('' = no logging)")));
 816         allowed_options.insert("gameid", ValueSpec(VALUETYPE_STRING,
 817                         _("Set gameid (\"--gameid list\" prints available ones)")));
 818 #ifndef SERVER
 819         allowed_options.insert("speedtests", ValueSpec(VALUETYPE_FLAG,
 820                         _("Run speed tests")));
 821         allowed_options.insert("address", ValueSpec(VALUETYPE_STRING,
 822                         _("Address to connect to. ('' = local game)")));
 823         allowed_options.insert("random-input", ValueSpec(VALUETYPE_FLAG,
 824                         _("Enable random user input, for testing")));
 825         allowed_options.insert("server", ValueSpec(VALUETYPE_FLAG,
 826                         _("Run dedicated server")));
 827         allowed_options.insert("name", ValueSpec(VALUETYPE_STRING,
 828                         _("Set player name")));
 829         allowed_options.insert("password", ValueSpec(VALUETYPE_STRING,
 830                         _("Set password")));
 831         allowed_options.insert("go", ValueSpec(VALUETYPE_FLAG,
 832                         _("Disable main menu")));
 833 #endif
 834
 835         Settings cmd_args;
 836
 837         bool ret = cmd_args.parseCommandLine(argc, argv, allowed_options);
 838
 839         if(ret == false || cmd_args.getFlag("help") || cmd_args.exists("nonopt1"))
 840         {
 841                 dstream<<_("Allowed options:")<<std::endl;
 842                 for(core::map<std::string, ValueSpec>::Iterator
 843                                 i = allowed_options.getIterator();
 844                                 i.atEnd() == false; i++)
 845                 {
 846                         std::ostringstream os1(std::ios::binary);
 847                         os1<<"  --"<<i.getNode()->getKey();
 848                         if(i.getNode()->getValue().type == VALUETYPE_FLAG)
 849                                 {}
 850                         else
 851                                 os1<<_(" <value>");
 852                         dstream<<padStringRight(os1.str(), 24);
 853
 854                         if(i.getNode()->getValue().help != NULL)
 855                                 dstream<<i.getNode()->getValue().help;
 856                         dstream<<std::endl;
 857                 }
 858
 859                 return cmd_args.getFlag("help") ? 0 : 1;
 860         }
 861
 862         /*
 863                 Low-level initialization
 864         */
 865
 866         // If trace is enabled, enable logging of certain things
 867         if(cmd_args.getFlag("trace")){
 868                 dstream<<_("Enabling trace level debug output")<<std::endl;
 869                 log_trace_level_enabled = true;
 870                 dout_con_ptr = &verbosestream; // this is somewhat old crap
 871                 socket_enable_debug_output = true; // socket doesn't use log.h
 872         }
 873         // In certain cases, output info level on stderr
 874         if(cmd_args.getFlag("info") || cmd_args.getFlag("verbose") ||
 875                         cmd_args.getFlag("trace") || cmd_args.getFlag("speedtests"))
 876                 log_add_output(&main_stderr_log_out, LMT_INFO);
 877         // In certain cases, output verbose level on stderr
 878         if(cmd_args.getFlag("verbose") || cmd_args.getFlag("trace"))
 879                 log_add_output(&main_stderr_log_out, LMT_VERBOSE);
 880
 881         porting::signal_handler_init();
 882         bool &kill = *porting::signal_handler_killstatus();
 883
 884         porting::initializePaths();
 885
 886         // Create user data directory
 887         fs::CreateDir(porting::path_user);
 888
 889         init_gettext((porting::path_share + DIR_DELIM + "locale").c_str());
 890
 891         // Initialize debug streams
 892 #define DEBUGFILE "debug.txt"
 893 #if RUN_IN_PLACE
 894         std::string logfile = DEBUGFILE;
 895 #else
 896         std::string logfile = porting::path_user+DIR_DELIM+DEBUGFILE;
 897 #endif
 898         if(cmd_args.exists("logfile"))
 899                 logfile = cmd_args.get("logfile");
 900         if(logfile != "")
 901                 debugstreams_init(false, logfile.c_str());
 902         else
 903                 debugstreams_init(false, NULL);
 904
 905         infostream<<"logfile    = "<<logfile<<std::endl;
 906         infostream<<"path_share = "<<porting::path_share<<std::endl;
 907         infostream<<"path_user  = "<<porting::path_user<<std::endl;
 908
 909         // Initialize debug stacks
 910         debug_stacks_init();
 911         DSTACK(__FUNCTION_NAME);
 912
 913         // Debug handler
 914         BEGIN_DEBUG_EXCEPTION_HANDLER
 915
 916         // List gameids if requested
 917         if(cmd_args.exists("gameid") && cmd_args.get("gameid") == "list")
 918         {
 919                 std::set<std::string> gameids = getAvailableGameIds();
 920                 for(std::set<std::string>::const_iterator i = gameids.begin();
 921                                 i != gameids.end(); i++)
 922                         dstream<<(*i)<<std::endl;
 923                 return 0;
 924         }
 925
 926         // List worlds if requested
 927         if(cmd_args.exists("world") && cmd_args.get("world") == "list"){
 928                 dstream<<_("Available worlds:")<<std::endl;
 929                 std::vector<WorldSpec> worldspecs = getAvailableWorlds();
 930                 print_worldspecs(worldspecs, dstream);
 931                 return 0;
 932         }
 933
 934         // Print startup message
 935         infostream<<PROJECT_NAME<<
 936                         " "<<_("with")<<" SER_FMT_VER_HIGHEST="<<(int)SER_FMT_VER_HIGHEST
 937                         <<", "<<BUILD_INFO
 938                         <<std::endl;
 939
 940         /*
 941                 Basic initialization
 942         */
 943
 944         // Initialize default settings
 945         set_default_settings(g_settings);
 946
 947         // Initialize sockets
 948         sockets_init();
 949         atexit(sockets_cleanup);
 950
 951         /*
 952                 Read config file
 953         */
 954
 955         // Path of configuration file in use
 956         std::string configpath = "";
 957
 958         if(cmd_args.exists("config"))
 959         {
 960                 bool r = g_settings->readConfigFile(cmd_args.get("config").c_str());
 961                 if(r == false)
 962                 {
 963                         errorstream<<"Could not read configuration from \""
 964                                         <<cmd_args.get("config")<<"\""<<std::endl;
 965                         return 1;
 966                 }
 967                 configpath = cmd_args.get("config");
 968         }
 969         else
 970         {
 971                 core::array<std::string> filenames;
 972                 filenames.push_back(porting::path_user +
 973                                 DIR_DELIM + "minetest.conf");
 974                 // Legacy configuration file location
 975                 filenames.push_back(porting::path_user +
 976                                 DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
 977 #if RUN_IN_PLACE
 978                 // Try also from a lower level (to aid having the same configuration
 979                 // for many RUN_IN_PLACE installs)
 980                 filenames.push_back(porting::path_user +
 981                                 DIR_DELIM + ".." + DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
 982 #endif
 983
 984                 for(u32 i=0; i<filenames.size(); i++)
 985                 {
 986                         bool r = g_settings->readConfigFile(filenames[i].c_str());
 987                         if(r)
 988                         {
 989                                 configpath = filenames[i];
 990                                 break;
 991                         }
 992                 }
 993
 994                 // If no path found, use the first one (menu creates the file)
 995                 if(configpath == "")
 996                         configpath = filenames[0];
 997         }
 998
 999         // Initialize random seed
1000         srand(time(0));
1001         mysrand(time(0));
1002
1003         /*
1004                 Run unit tests
1005         */
1006
1007         if((ENABLE_TESTS && cmd_args.getFlag("disable-unittests") == false)
1008                         || cmd_args.getFlag("enable-unittests") == true)
1009         {
1010                 run_tests();
1011         }
1012
1013         /*
1014                 Game parameters
1015         */
1016
1017         // Port
1018         u16 port = 30000;
1019         if(cmd_args.exists("port"))
1020                 port = cmd_args.getU16("port");
1021         else if(g_settings->exists("port"))
1022                 port = g_settings->getU16("port");
1023         if(port == 0)
1024                 port = 30000;
1025
1026         // World directory
1027         std::string commanded_world = "";
1028         if(cmd_args.exists("world"))
1029                 commanded_world = cmd_args.get("world");
1030         else if(cmd_args.exists("map-dir"))
1031                 commanded_world = cmd_args.get("map-dir");
1032         else if(cmd_args.exists("nonopt0")) // First nameless argument
1033                 commanded_world = cmd_args.get("nonopt0");
1034         else if(g_settings->exists("map-dir"))
1035                 commanded_world = g_settings->get("map-dir");
1036
1037         // World name
1038         std::string commanded_worldname = "";
1039         if(cmd_args.exists("worldname"))
1040                 commanded_worldname = cmd_args.get("worldname");
1041
1042         // Strip world.mt from commanded_world
1043         {
1044                 std::string worldmt = "world.mt";
1045                 if(commanded_world.size() > worldmt.size() &&
1046                                 commanded_world.substr(commanded_world.size()-worldmt.size())
1047                                 == worldmt){
1048                         dstream<<_("Supplied world.mt file - stripping it off.")<<std::endl;
1049                         commanded_world = commanded_world.substr(
1050                                         0, commanded_world.size()-worldmt.size());
1051                 }
1052         }
1053
1054         // If a world name was specified, convert it to a path
1055         if(commanded_worldname != ""){
1056                 // Get information about available worlds
1057                 std::vector<WorldSpec> worldspecs = getAvailableWorlds();
1058                 bool found = false;
1059                 for(u32 i=0; i<worldspecs.size(); i++){
1060                         std::string name = worldspecs[i].name;
1061                         if(name == commanded_worldname){
1062                                 if(commanded_world != ""){
1063                                         dstream<<_("--worldname takes precedence over previously "
1064                                                         "selected world.")<<std::endl;
1065                                 }
1066                                 commanded_world = worldspecs[i].path;
1067                                 found = true;
1068                                 break;
1069                         }
1070                 }
1071                 if(!found){
1072                         dstream<<_("World")<<" '"<<commanded_worldname<<_("' not "
1073                                         "available. Available worlds:")<<std::endl;
1074                         print_worldspecs(worldspecs, dstream);
1075                         return 1;
1076                 }
1077         }
1078
1079         // Gamespec
1080         SubgameSpec commanded_gamespec;
1081         if(cmd_args.exists("gameid")){
1082                 std::string gameid = cmd_args.get("gameid");
1083                 commanded_gamespec = findSubgame(gameid);
1084                 if(!commanded_gamespec.isValid()){
1085                         errorstream<<"Game \""<<gameid<<"\" not found"<<std::endl;
1086                         return 1;
1087                 }
1088         }
1089
1090         /*
1091                 Run dedicated server if asked to or no other option
1092         */
1093 #ifdef SERVER
1094         bool run_dedicated_server = true;
1095 #else
1096         bool run_dedicated_server = cmd_args.getFlag("server");
1097 #endif
1098         if(run_dedicated_server)
1099         {
1100                 DSTACK("Dedicated server branch");
1101                 // Create time getter if built with Irrlicht
1102 #ifndef SERVER
1103                 g_timegetter = new SimpleTimeGetter();
1104 #endif
1105
1106                 // World directory
1107                 std::string world_path;
1108                 verbosestream<<_("Determining world path")<<std::endl;
1109                 bool is_legacy_world = false;
1110                 // If a world was commanded, use it
1111                 if(commanded_world != ""){
1112                         world_path = commanded_world;
1113                         infostream<<"Using commanded world path ["<<world_path<<"]"
1114                                         <<std::endl;
1115                 }
1116                 // No world was specified; try to select it automatically
1117                 else
1118                 {
1119                         // Get information about available worlds
1120                         std::vector<WorldSpec> worldspecs = getAvailableWorlds();
1121                         // If a world name was specified, select it
1122                         if(commanded_worldname != ""){
1123                                 world_path = "";
1124                                 for(u32 i=0; i<worldspecs.size(); i++){
1125                                         std::string name = worldspecs[i].name;
1126                                         if(name == commanded_worldname){
1127                                                 world_path = worldspecs[i].path;
1128                                                 break;
1129                                         }
1130                                 }
1131                                 if(world_path == ""){
1132                                         dstream<<_("World")<<" '"<<commanded_worldname<<"' "<<_("not "
1133                                                         "available. Available worlds:")<<std::endl;
1134                                         print_worldspecs(worldspecs, dstream);
1135                                         return 1;
1136                                 }
1137                         }
1138                         // If there is only a single world, use it
1139                         if(worldspecs.size() == 1){
1140                                 world_path = worldspecs[0].path;
1141                                 dstream<<_("Automatically selecting world at")<<" ["
1142                                                 <<world_path<<"]"<<std::endl;
1143                         // If there are multiple worlds, list them
1144                         } else if(worldspecs.size() > 1){
1145                                 dstream<<_("Multiple worlds are available.")<<std::endl;
1146                                 dstream<<_("Please select one using --worldname <name>"
1147                                                 " or --world <path>")<<std::endl;
1148                                 print_worldspecs(worldspecs, dstream);
1149                                 return 1;
1150                         // If there are no worlds, automatically create a new one
1151                         } else {
1152                                 // This is the ultimate default world path
1153                                 world_path = porting::path_user + DIR_DELIM + "worlds" +
1154                                                 DIR_DELIM + "world";
1155                                 infostream<<"Creating default world at ["
1156                                                 <<world_path<<"]"<<std::endl;
1157                         }
1158                 }
1159
1160                 if(world_path == ""){
1161                         errorstream<<"No world path specified or found."<<std::endl;
1162                         return 1;
1163                 }
1164                 verbosestream<<_("Using world path")<<" ["<<world_path<<"]"<<std::endl;
1165
1166                 // We need a gamespec.
1167                 SubgameSpec gamespec;
1168                 verbosestream<<_("Determining gameid/gamespec")<<std::endl;
1169                 // If world doesn't exist
1170                 if(!getWorldExists(world_path))
1171                 {
1172                         // Try to take gamespec from command line
1173                         if(commanded_gamespec.isValid()){
1174                                 gamespec = commanded_gamespec;
1175                                 infostream<<"Using commanded gameid ["<<gamespec.id<<"]"<<std::endl;
1176                         }
1177                         // Otherwise we will be using "minetest"
1178                         else{
1179                                 gamespec = findSubgame(g_settings->get("default_game"));
1180                                 infostream<<"Using default gameid ["<<gamespec.id<<"]"<<std::endl;
1181                         }
1182                 }
1183                 // World exists
1184                 else
1185                 {
1186                         std::string world_gameid = getWorldGameId(world_path, is_legacy_world);
1187                         // If commanded to use a gameid, do so
1188                         if(commanded_gamespec.isValid()){
1189                                 gamespec = commanded_gamespec;
1190                                 if(commanded_gamespec.id != world_gameid){
1191                                         errorstream<<"WARNING: Using commanded gameid ["
1192                                                         <<gamespec.id<<"]"<<" instead of world gameid ["
1193                                                         <<world_gameid<<"]"<<std::endl;
1194                                 }
1195                         } else{
1196                                 // If world contains an embedded game, use it;
1197                                 // Otherwise find world from local system.
1198                                 gamespec = findWorldSubgame(world_path);
1199                                 infostream<<"Using world gameid ["<<gamespec.id<<"]"<<std::endl;
1200                         }
1201                 }
1202                 if(!gamespec.isValid()){
1203                         errorstream<<"Subgame ["<<gamespec.id<<"] could not be found."
1204                                         <<std::endl;
1205                         return 1;
1206                 }
1207                 verbosestream<<_("Using gameid")<<" ["<<gamespec.id<<"]"<<std::endl;
1208
1209                 // Create server
1210                 Server server(world_path, configpath, gamespec, false);
1211                 server.start(port);
1212
1213                 // Run server
1214                 dedicated_server_loop(server, kill);
1215
1216                 return 0;
1217         }
1218
1219 #ifndef SERVER // Exclude from dedicated server build
1220
1221         /*
1222                 More parameters
1223         */
1224
1225         std::string address = g_settings->get("address");
1226         if(commanded_world != "")
1227                 address = "";
1228         else if(cmd_args.exists("address"))
1229                 address = cmd_args.get("address");
1230
1231         std::string playername = g_settings->get("name");
1232         if(cmd_args.exists("name"))
1233                 playername = cmd_args.get("name");
1234
1235         bool skip_main_menu = cmd_args.getFlag("go");
1236
1237         /*
1238                 Device initialization
1239         */
1240
1241         // Resolution selection
1242
1243         bool fullscreen = g_settings->getBool("fullscreen");
1244         u16 screenW = g_settings->getU16("screenW");
1245         u16 screenH = g_settings->getU16("screenH");
1246
1247         // bpp, fsaa, vsync
1248
1249         bool vsync = g_settings->getBool("vsync");
1250         u16 bits = g_settings->getU16("fullscreen_bpp");
1251         u16 fsaa = g_settings->getU16("fsaa");
1252
1253         // Determine driver
1254
1255         video::E_DRIVER_TYPE driverType;
1256
1257         std::string driverstring = g_settings->get("video_driver");
1258
1259         if(driverstring == "null")
1260                 driverType = video::EDT_NULL;
1261         else if(driverstring == "software")
1262                 driverType = video::EDT_SOFTWARE;
1263         else if(driverstring == "burningsvideo")
1264                 driverType = video::EDT_BURNINGSVIDEO;
1265         else if(driverstring == "direct3d8")
1266                 driverType = video::EDT_DIRECT3D8;
1267         else if(driverstring == "direct3d9")
1268                 driverType = video::EDT_DIRECT3D9;
1269         else if(driverstring == "opengl")
1270                 driverType = video::EDT_OPENGL;
1271         else
1272         {
1273                 errorstream<<"WARNING: Invalid video_driver specified; defaulting "
1274                                 "to opengl"<<std::endl;
1275                 driverType = video::EDT_OPENGL;
1276         }
1277
1278         /*
1279                 Create device and exit if creation failed
1280         */
1281
1282         MyEventReceiver receiver;
1283
1284         IrrlichtDevice *device;
1285
1286         SIrrlichtCreationParameters params = SIrrlichtCreationParameters();
1287         params.DriverType    = driverType;
1288         params.WindowSize    = core::dimension2d<u32>(screenW, screenH);
1289         params.Bits          = bits;
1290         params.AntiAlias     = fsaa;
1291         params.Fullscreen    = fullscreen;
1292         params.Stencilbuffer = false;
1293         params.Vsync         = vsync;
1294         params.EventReceiver = &receiver;
1295
1296         device = createDeviceEx(params);
1297
1298         if (device == 0)
1299                 return 1; // could not create selected driver.
1300
1301         /*
1302                 Continue initialization
1303         */
1304
1305         video::IVideoDriver* driver = device->getVideoDriver();
1306
1307         /*
1308                 This changes the minimum allowed number of vertices in a VBO.
1309                 Default is 500.
1310         */
1311         //driver->setMinHardwareBufferVertexCount(50);
1312
1313         // Create time getter
1314         g_timegetter = new IrrlichtTimeGetter(device);
1315
1316         // Create game callback for menus
1317         g_gamecallback = new MainGameCallback(device);
1318
1319         /*
1320                 Speed tests (done after irrlicht is loaded to get timer)
1321         */
1322         if(cmd_args.getFlag("speedtests"))
1323         {
1324                 dstream<<"Running speed tests"<<std::endl;
1325                 SpeedTests();
1326                 return 0;
1327         }
1328
1329         device->setResizable(true);
1330
1331         bool random_input = g_settings->getBool("random_input")
1332                         || cmd_args.getFlag("random-input");
1333         InputHandler *input = NULL;
1334         if(random_input)
1335                 input = new RandomInputHandler();
1336         else
1337                 input = new RealInputHandler(device, &receiver);
1338
1339         scene::ISceneManager* smgr = device->getSceneManager();
1340
1341         guienv = device->getGUIEnvironment();
1342         gui::IGUISkin* skin = guienv->getSkin();
1343         #if USE_FREETYPE
1344         std::string font_path = g_settings->get("font_path");
1345         u16 font_size = g_settings->getU16("font_size");
1346         gui::IGUIFont *font = gui::CGUITTFont::createTTFont(guienv, font_path.c_str(), font_size);
1347         #else
1348         gui::IGUIFont* font = guienv->getFont(getTexturePath("fontlucida.png").c_str());
1349         #endif
1350         if(font)
1351                 skin->setFont(font);
1352         else
1353                 errorstream<<"WARNING: Font file was not found."
1354                                 " Using default font."<<std::endl;
1355         // If font was not found, this will get us one
1356         font = skin->getFont();
1357         assert(font);
1358
1359         u32 text_height = font->getDimension(L"Hello, world!").Height;
1360         infostream<<"text_height="<<text_height<<std::endl;
1361
1362         //skin->setColor(gui::EGDC_BUTTON_TEXT, video::SColor(255,0,0,0));
1363         skin->setColor(gui::EGDC_BUTTON_TEXT, video::SColor(255,255,255,255));
1364         //skin->setColor(gui::EGDC_3D_HIGH_LIGHT, video::SColor(0,0,0,0));
1365         //skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(0,0,0,0));
1366         skin->setColor(gui::EGDC_3D_HIGH_LIGHT, video::SColor(255,0,0,0));
1367         skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(255,0,0,0));
1368         skin->setColor(gui::EGDC_HIGH_LIGHT, video::SColor(255,70,100,50));
1369         skin->setColor(gui::EGDC_HIGH_LIGHT_TEXT, video::SColor(255,255,255,255));
1370
1371 #if (IRRLICHT_VERSION_MAJOR >= 1 && IRRLICHT_VERSION_MINOR >= 8) || IRRLICHT_VERSION_MAJOR >= 2
1372         // Irrlicht 1.8 input colours
1373         skin->setColor(gui::EGDC_EDITABLE, video::SColor(255,128,128,128));
1374         skin->setColor(gui::EGDC_FOCUSED_EDITABLE, video::SColor(255,96,134,49));
1375 #endif
1376
1377         /*
1378                 GUI stuff
1379         */
1380
1381         ChatBackend chat_backend;
1382
1383         /*
1384                 If an error occurs, this is set to something and the
1385                 menu-game loop is restarted. It is then displayed before
1386                 the menu.
1387         */
1388         std::wstring error_message = L"";
1389
1390         // The password entered during the menu screen,
1391         std::string password;
1392
1393         bool first_loop = true;
1394
1395         /*
1396                 Menu-game loop
1397         */
1398         while(device->run() && kill == false)
1399         {
1400                 // Set the window caption
1401                 device->setWindowCaption((std::wstring(L"Minetest [")+wgettext("Main Menu")+L"]").c_str());
1402
1403                 // This is used for catching disconnects
1404                 try
1405                 {
1406
1407                         /*
1408                                 Clear everything from the GUIEnvironment
1409                         */
1410                         guienv->clear();
1411
1412                         /*
1413                                 We need some kind of a root node to be able to add
1414                                 custom gui elements directly on the screen.
1415                                 Otherwise they won't be automatically drawn.
1416                         */
1417                         guiroot = guienv->addStaticText(L"",
1418                                         core::rect<s32>(0, 0, 10000, 10000));
1419
1420                         SubgameSpec gamespec;
1421                         WorldSpec worldspec;
1422                         bool simple_singleplayer_mode = false;
1423
1424                         // These are set up based on the menu and other things
1425                         std::string current_playername = "inv£lid";
1426                         std::string current_password = "";
1427                         std::string current_address = "does-not-exist";
1428                         int current_port = 0;
1429
1430                         /*
1431                                 Out-of-game menu loop.
1432
1433                                 Loop quits when menu returns proper parameters.
1434                         */
1435                         while(kill == false)
1436                         {
1437                                 // If skip_main_menu, only go through here once
1438                                 if(skip_main_menu && !first_loop){
1439                                         kill = true;
1440                                         break;
1441                                 }
1442                                 first_loop = false;
1443
1444                                 // Cursor can be non-visible when coming from the game
1445                                 device->getCursorControl()->setVisible(true);
1446                                 // Some stuff are left to scene manager when coming from the game
1447                                 // (map at least?)
1448                                 smgr->clear();
1449
1450                                 // Initialize menu data
1451                                 MainMenuData menudata;
1452                                 if(g_settings->exists("selected_mainmenu_tab"))
1453                                         menudata.selected_tab = g_settings->getS32("selected_mainmenu_tab");
1454                                 menudata.address = narrow_to_wide(address);
1455                                 menudata.name = narrow_to_wide(playername);
1456                                 menudata.port = narrow_to_wide(itos(port));
1457                                 if(cmd_args.exists("password"))
1458                                         menudata.password = narrow_to_wide(cmd_args.get("password"));
1459                                 menudata.fancy_trees = g_settings->getBool("new_style_leaves");
1460                                 menudata.smooth_lighting = g_settings->getBool("smooth_lighting");
1461                                 menudata.clouds_3d = g_settings->getBool("enable_3d_clouds");
1462                                 menudata.opaque_water = g_settings->getBool("opaque_water");
1463                                 menudata.mip_map = g_settings->getBool("mip_map");
1464                                 menudata.anisotropic_filter = g_settings->getBool("anisotropic_filter");
1465                                 menudata.bilinear_filter = g_settings->getBool("bilinear_filter");
1466                                 menudata.trilinear_filter = g_settings->getBool("trilinear_filter");
1467                                 menudata.enable_shaders = g_settings->getS32("enable_shaders");
1468                                 menudata.preload_item_visuals = g_settings->getBool("preload_item_visuals");
1469                                 menudata.enable_particles = g_settings->getBool("enable_particles");
1470                                 driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, menudata.mip_map);
1471                                 menudata.creative_mode = g_settings->getBool("creative_mode");
1472                                 menudata.enable_damage = g_settings->getBool("enable_damage");
1473                                 // Default to selecting nothing
1474                                 menudata.selected_world = -1;
1475                                 // Get world listing for the menu
1476                                 std::vector<WorldSpec> worldspecs = getAvailableWorlds();
1477                                 // If there is only one world, select it
1478                                 if(worldspecs.size() == 1){
1479                                         menudata.selected_world = 0;
1480                                 }
1481                                 // Otherwise try to select according to selected_world_path
1482                                 else if(g_settings->exists("selected_world_path")){
1483                                         std::string trypath = g_settings->get("selected_world_path");
1484                                         for(u32 i=0; i<worldspecs.size(); i++){
1485                                                 if(worldspecs[i].path == trypath){
1486                                                         menudata.selected_world = i;
1487                                                         break;
1488                                                 }
1489                                         }
1490                                 }
1491                                 // If a world was commanded, append and select it
1492                                 if(commanded_world != ""){
1493                                         std::string gameid = getWorldGameId(commanded_world, true);
1494                                         std::string name = _("[--world parameter]");
1495                                         if(gameid == ""){
1496                                                 gameid = g_settings->get("default_game");
1497                                                 name += " [new]";
1498                                         }
1499                                         WorldSpec spec(commanded_world, name, gameid);
1500                                         worldspecs.push_back(spec);
1501                                         menudata.selected_world = worldspecs.size()-1;
1502                                 }
1503                                 // Copy worldspecs to menu
1504                                 menudata.worlds = worldspecs;
1505
1506                                 if(skip_main_menu == false)
1507                                 {
1508                                         video::IVideoDriver* driver = device->getVideoDriver();
1509
1510                                         infostream<<"Waiting for other menus"<<std::endl;
1511                                         while(device->run() && kill == false)
1512                                         {
1513                                                 if(noMenuActive())
1514                                                         break;
1515                                                 driver->beginScene(true, true,
1516                                                                 video::SColor(255,128,128,128));
1517                                                 drawMenuBackground(driver);
1518                                                 guienv->drawAll();
1519                                                 driver->endScene();
1520                                                 // On some computers framerate doesn't seem to be
1521                                                 // automatically limited
1522                                                 sleep_ms(25);
1523                                         }
1524                                         infostream<<"Waited for other menus"<<std::endl;
1525
1526                                         GUIMainMenu *menu =
1527                                                         new GUIMainMenu(guienv, guiroot, -1,
1528                                                                 &g_menumgr, &menudata, g_gamecallback);
1529                                         menu->allowFocusRemoval(true);
1530
1531                                         if(error_message != L"")
1532                                         {
1533                                                 verbosestream<<"error_message = "
1534                                                                 <<wide_to_narrow(error_message)<<std::endl;
1535
1536                                                 GUIMessageMenu *menu2 =
1537                                                                 new GUIMessageMenu(guienv, guiroot, -1,
1538                                                                         &g_menumgr, error_message.c_str());
1539                                                 menu2->drop();
1540                                                 error_message = L"";
1541                                         }
1542
1543                                         infostream<<"Created main menu"<<std::endl;
1544
1545                                         while(device->run() && kill == false)
1546                                         {
1547                                                 if(menu->getStatus() == true)
1548                                                         break;
1549
1550                                                 //driver->beginScene(true, true, video::SColor(255,0,0,0));
1551                                                 driver->beginScene(true, true, video::SColor(255,128,128,128));
1552
1553                                                 drawMenuBackground(driver);
1554
1555                                                 guienv->drawAll();
1556
1557                                                 driver->endScene();
1558
1559                                                 // On some computers framerate doesn't seem to be
1560                                                 // automatically limited
1561                                                 sleep_ms(25);
1562                                         }
1563
1564                                         infostream<<"Dropping main menu"<<std::endl;
1565
1566                                         menu->drop();
1567                                 }
1568
1569                                 playername = wide_to_narrow(menudata.name);
1570                                 password = translatePassword(playername, menudata.password);
1571                                 //infostream<<"Main: password hash: '"<<password<<"'"<<std::endl;
1572
1573                                 address = wide_to_narrow(menudata.address);
1574                                 int newport = stoi(wide_to_narrow(menudata.port));
1575                                 if(newport != 0)
1576                                         port = newport;
1577                                 simple_singleplayer_mode = menudata.simple_singleplayer_mode;
1578                                 // Save settings
1579                                 g_settings->setS32("selected_mainmenu_tab", menudata.selected_tab);
1580                                 g_settings->set("new_style_leaves", itos(menudata.fancy_trees));
1581                                 g_settings->set("smooth_lighting", itos(menudata.smooth_lighting));
1582                                 g_settings->set("enable_3d_clouds", itos(menudata.clouds_3d));
1583                                 g_settings->set("opaque_water", itos(menudata.opaque_water));
1584
1585                                 g_settings->set("mip_map", itos(menudata.mip_map));
1586                                 g_settings->set("anisotropic_filter", itos(menudata.anisotropic_filter));
1587                                 g_settings->set("bilinear_filter", itos(menudata.bilinear_filter));
1588                                 g_settings->set("trilinear_filter", itos(menudata.trilinear_filter));
1589
1590                                 g_settings->setS32("enable_shaders", menudata.enable_shaders);
1591                                 g_settings->set("preload_item_visuals", itos(menudata.preload_item_visuals));
1592                                 g_settings->set("enable_particles", itos(menudata.enable_particles));
1593
1594                                 g_settings->set("creative_mode", itos(menudata.creative_mode));
1595                                 g_settings->set("enable_damage", itos(menudata.enable_damage));
1596                                 g_settings->set("name", playername);
1597                                 g_settings->set("address", address);
1598                                 g_settings->set("port", itos(port));
1599                                 if(menudata.selected_world != -1)
1600                                         g_settings->set("selected_world_path",
1601                                                         worldspecs[menudata.selected_world].path);
1602
1603                                 // Break out of menu-game loop to shut down cleanly
1604                                 if(device->run() == false || kill == true)
1605                                         break;
1606
1607                                 current_playername = playername;
1608                                 current_password = password;
1609                                 current_address = address;
1610                                 current_port = port;
1611
1612                                 // If using simple singleplayer mode, override
1613                                 if(simple_singleplayer_mode){
1614                                         current_playername = "singleplayer";
1615                                         current_password = "";
1616                                         current_address = "";
1617                                         current_port = 30011;
1618                                 }
1619                                 else if (address != "")
1620                                 {
1621                                         ServerListSpec server;
1622                                         server.name = menudata.servername;
1623                                         server.address = wide_to_narrow(menudata.address);
1624                                         server.port = wide_to_narrow(menudata.port);
1625                                         server.description = menudata.serverdescription;
1626                                         ServerList::insert(server);
1627                                 }
1628
1629                                 // Set world path to selected one
1630                                 if(menudata.selected_world != -1){
1631                                         worldspec = worldspecs[menudata.selected_world];
1632                                         infostream<<"Selected world: "<<worldspec.name
1633                                                         <<" ["<<worldspec.path<<"]"<<std::endl;
1634                                 }
1635
1636                                 // Only refresh if so requested
1637                                 if(menudata.only_refresh){
1638                                         infostream<<"Refreshing menu"<<std::endl;
1639                                         continue;
1640                                 }
1641
1642                                 // Create new world if requested
1643                                 if(menudata.create_world_name != L"")
1644                                 {
1645                                         std::string path = porting::path_user + DIR_DELIM
1646                                                         "worlds" + DIR_DELIM
1647                                                         + wide_to_narrow(menudata.create_world_name);
1648                                         // Create world if it doesn't exist
1649                                         if(!initializeWorld(path, menudata.create_world_gameid)){
1650                                                 error_message = wgettext("Failed to initialize world");
1651                                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1652                                                 continue;
1653                                         }
1654                                         g_settings->set("selected_world_path", path);
1655                                         continue;
1656                                 }
1657
1658                                 // If local game
1659                                 if(current_address == "")
1660                                 {
1661                                         if(menudata.selected_world == -1){
1662                                                 error_message = wgettext("No world selected and no address "
1663                                                                 "provided. Nothing to do.");
1664                                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1665                                                 continue;
1666                                         }
1667                                         // Load gamespec for required game
1668                                         gamespec = findWorldSubgame(worldspec.path);
1669                                         if(!gamespec.isValid() && !commanded_gamespec.isValid()){
1670                                                 error_message = wgettext("Could not find or load game \"")
1671                                                                 + narrow_to_wide(worldspec.gameid) + L"\"";
1672                                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1673                                                 continue;
1674                                         }
1675                                         if(commanded_gamespec.isValid() &&
1676                                                         commanded_gamespec.id != worldspec.gameid){
1677                                                 errorstream<<"WARNING: Overriding gamespec from \""
1678                                                                 <<worldspec.gameid<<"\" to \""
1679                                                                 <<commanded_gamespec.id<<"\""<<std::endl;
1680                                                 gamespec = commanded_gamespec;
1681                                         }
1682
1683                                         if(!gamespec.isValid()){
1684                                                 error_message = wgettext("Invalid gamespec.");
1685                                                 error_message += L" (world_gameid="
1686                                                                 +narrow_to_wide(worldspec.gameid)+L")";
1687                                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1688                                                 continue;
1689                                         }
1690                                 }
1691
1692                                 // Continue to game
1693                                 break;
1694                         }
1695
1696                         // Break out of menu-game loop to shut down cleanly
1697                         if(device->run() == false || kill == true)
1698                                 break;
1699
1700                         /*
1701                                 Run game
1702                         */
1703                         the_game(
1704                                 kill,
1705                                 random_input,
1706                                 input,
1707                                 device,
1708                                 font,
1709                                 worldspec.path,
1710                                 current_playername,
1711                                 current_password,
1712                                 current_address,
1713                                 current_port,
1714                                 error_message,
1715                                 configpath,
1716                                 chat_backend,
1717                                 gamespec,
1718                                 simple_singleplayer_mode
1719                         );
1720
1721                 } //try
1722                 catch(con::PeerNotFoundException &e)
1723                 {
1724                         error_message = wgettext("Connection error (timed out?)");
1725                         errorstream<<wide_to_narrow(error_message)<<std::endl;
1726                 }
1727                 catch(ServerError &e)
1728                 {
1729                         error_message = narrow_to_wide(e.what());
1730                         errorstream<<wide_to_narrow(error_message)<<std::endl;
1731                 }
1732                 catch(ModError &e)
1733                 {
1734                         errorstream<<e.what()<<std::endl;
1735                         error_message = narrow_to_wide(e.what()) + wgettext("\nCheck debug.txt for details.");
1736                 }
1737 #ifdef NDEBUG
1738                 catch(std::exception &e)
1739                 {
1740                         std::string narrow_message = "Some exception: \"";
1741                         narrow_message += e.what();
1742                         narrow_message += "\"";
1743                         errorstream<<narrow_message<<std::endl;
1744                         error_message = narrow_to_wide(narrow_message);
1745                 }
1746 #endif
1747
1748                 // If no main menu, show error and exit
1749                 if(skip_main_menu)
1750                 {
1751                         if(error_message != L""){
1752                                 verbosestream<<"error_message = "
1753                                                 <<wide_to_narrow(error_message)<<std::endl;
1754                                 retval = 1;
1755                         }
1756                         break;
1757                 }
1758         } // Menu-game loop
1759
1760         delete input;
1761
1762         /*
1763                 In the end, delete the Irrlicht device.
1764         */
1765         device->drop();
1766
1767 #endif // !SERVER
1768
1769         // Update configuration file
1770         if(configpath != "")
1771                 g_settings->updateConfigFile(configpath.c_str());
1772
1773         // Print modified quicktune values
1774         {
1775                 bool header_printed = false;
1776                 std::vector<std::string> names = getQuicktuneNames();
1777                 for(u32 i=0; i<names.size(); i++){
1778                         QuicktuneValue val = getQuicktuneValue(names[i]);
1779                         if(!val.modified)
1780                                 continue;
1781                         if(!header_printed){
1782                                 dstream<<"Modified quicktune values:"<<std::endl;
1783                                 header_printed = true;
1784                         }
1785                         dstream<<names[i]<<" = "<<val.getString()<<std::endl;
1786                 }
1787         }
1788
1789         END_DEBUG_EXCEPTION_HANDLER(errorstream)
1790
1791         debugstreams_deinit();
1792
1793         return retval;
1794 }
1795
1796 //END
1797