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1 /*
2 Minetest-c55
3 Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 */
19
20 #ifdef NDEBUG
21         /*#ifdef _WIN32
22                 #pragma message ("Disabling unit tests")
23         #else
24                 #warning "Disabling unit tests"
25         #endif*/
26         // Disable unit tests
27         #define ENABLE_TESTS 0
28 #else
29         // Enable unit tests
30         #define ENABLE_TESTS 1
31 #endif
32
33 #ifdef _MSC_VER
34 #ifndef SERVER // Dedicated server isn't linked with Irrlicht
35         #pragma comment(lib, "Irrlicht.lib")
36         // This would get rid of the console window
37         //#pragma comment(linker, "/subsystem:windows /ENTRY:mainCRTStartup")
38 #endif
39         #pragma comment(lib, "zlibwapi.lib")
40         #pragma comment(lib, "Shell32.lib")
41 #endif
42
43 #include "irrlicht.h" // createDevice
44
45 #include "main.h"
46 #include "mainmenumanager.h"
47 #include <iostream>
48 #include <fstream>
49 #include <locale.h>
50 #include "common_irrlicht.h"
51 #include "debug.h"
52 #include "test.h"
53 #include "server.h"
54 #include "constants.h"
55 #include "porting.h"
56 #include "gettime.h"
57 #include "guiMessageMenu.h"
58 #include "filesys.h"
59 #include "config.h"
60 #include "guiMainMenu.h"
61 #include "game.h"
62 #include "keycode.h"
63 #include "tile.h"
64 #include "chat.h"
65 #include "defaultsettings.h"
66 #include "gettext.h"
67 #include "settings.h"
68 #include "profiler.h"
69 #include "log.h"
70 #include "mods.h"
71 #include "utility_string.h"
72 #include "subgame.h"
73 #include "quicktune.h"
74
75 /*
76         Settings.
77         These are loaded from the config file.
78 */
79 Settings main_settings;
80 Settings *g_settings = &main_settings;
81
82 // Global profiler
83 Profiler main_profiler;
84 Profiler *g_profiler = &main_profiler;
85
86 /*
87         Debug streams
88 */
89
90 // Connection
91 std::ostream *dout_con_ptr = &dummyout;
92 std::ostream *derr_con_ptr = &verbosestream;
93
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 int main(int argc, char *argv[])
743 {
744         int retval = 0;
745
746         /*
747                 Initialization
748         */
749
750         log_add_output_maxlev(&main_stderr_log_out, LMT_ACTION);
751         log_add_output_all_levs(&main_dstream_no_stderr_log_out);
752
753         log_register_thread("main");
754
755         // Set locale. This is for forcing '.' as the decimal point.
756         std::locale::global(std::locale("C"));
757         // This enables printing all characters in bitmap font
758         setlocale(LC_CTYPE, "en_US");
759
760         /*
761                 Parse command line
762         */
763         
764         // List all allowed options
765         core::map<std::string, ValueSpec> allowed_options;
766         allowed_options.insert("help", ValueSpec(VALUETYPE_FLAG,
767                         "Show allowed options"));
768         allowed_options.insert("config", ValueSpec(VALUETYPE_STRING,
769                         "Load configuration from specified file"));
770         allowed_options.insert("port", ValueSpec(VALUETYPE_STRING,
771                         "Set network port (UDP)"));
772         allowed_options.insert("disable-unittests", ValueSpec(VALUETYPE_FLAG,
773                         "Disable unit tests"));
774         allowed_options.insert("enable-unittests", ValueSpec(VALUETYPE_FLAG,
775                         "Enable unit tests"));
776         allowed_options.insert("map-dir", ValueSpec(VALUETYPE_STRING,
777                         "Same as --world (deprecated)"));
778         allowed_options.insert("world", ValueSpec(VALUETYPE_STRING,
779                         "Set world path (implies local game)"));
780         allowed_options.insert("info", ValueSpec(VALUETYPE_FLAG,
781                         "Print more information to console"));
782         allowed_options.insert("verbose", ValueSpec(VALUETYPE_FLAG,
783                         "Print even more information to console"));
784         allowed_options.insert("trace", ValueSpec(VALUETYPE_FLAG,
785                         "Print enormous amounts of information to log and console"));
786         allowed_options.insert("logfile", ValueSpec(VALUETYPE_STRING,
787                         "Set logfile path ('' = no logging)"));
788         allowed_options.insert("gameid", ValueSpec(VALUETYPE_STRING,
789                         "Set gameid (\"--gameid list\" prints available ones)"));
790 #ifndef SERVER
791         allowed_options.insert("speedtests", ValueSpec(VALUETYPE_FLAG,
792                         "Run speed tests"));
793         allowed_options.insert("address", ValueSpec(VALUETYPE_STRING,
794                         "Address to connect to. ('' = local game)"));
795         allowed_options.insert("random-input", ValueSpec(VALUETYPE_FLAG,
796                         "Enable random user input, for testing"));
797         allowed_options.insert("server", ValueSpec(VALUETYPE_FLAG,
798                         "Run dedicated server"));
799         allowed_options.insert("name", ValueSpec(VALUETYPE_STRING,
800                         "Set player name"));
801         allowed_options.insert("password", ValueSpec(VALUETYPE_STRING,
802                         "Set password"));
803         allowed_options.insert("go", ValueSpec(VALUETYPE_FLAG,
804                         "Disable main menu"));
805 #endif
806
807         Settings cmd_args;
808         
809         bool ret = cmd_args.parseCommandLine(argc, argv, allowed_options);
810
811         if(ret == false || cmd_args.getFlag("help") || cmd_args.exists("nonopt1"))
812         {
813                 dstream<<"Allowed options:"<<std::endl;
814                 for(core::map<std::string, ValueSpec>::Iterator
815                                 i = allowed_options.getIterator();
816                                 i.atEnd() == false; i++)
817                 {
818                         std::ostringstream os1(std::ios::binary);
819                         os1<<"  --"<<i.getNode()->getKey();
820                         if(i.getNode()->getValue().type == VALUETYPE_FLAG)
821                                 {}
822                         else
823                                 os1<<" <value>";
824                         dstream<<padStringRight(os1.str(), 24);
825
826                         if(i.getNode()->getValue().help != NULL)
827                                 dstream<<i.getNode()->getValue().help;
828                         dstream<<std::endl;
829                 }
830
831                 return cmd_args.getFlag("help") ? 0 : 1;
832         }
833         
834         /*
835                 Low-level initialization
836         */
837         
838         // If trace is enabled, enable logging of certain things
839         if(cmd_args.getFlag("trace")){
840                 dstream<<"Enabling trace level debug output"<<std::endl;
841                 dout_con_ptr = &verbosestream;
842                 socket_enable_debug_output = true;
843         }
844         // In certain cases, output info level on stderr
845         if(cmd_args.getFlag("info") || cmd_args.getFlag("verbose") ||
846                         cmd_args.getFlag("trace") || cmd_args.getFlag("speedtests"))
847                 log_add_output(&main_stderr_log_out, LMT_INFO);
848         // In certain cases, output verbose level on stderr
849         if(cmd_args.getFlag("verbose") || cmd_args.getFlag("trace"))
850                 log_add_output(&main_stderr_log_out, LMT_VERBOSE);
851
852         porting::signal_handler_init();
853         bool &kill = *porting::signal_handler_killstatus();
854         
855         porting::initializePaths();
856
857         // Create user data directory
858         fs::CreateDir(porting::path_user);
859
860         init_gettext((porting::path_share+DIR_DELIM+".."+DIR_DELIM+"locale").c_str());
861         
862         // Initialize debug streams
863 #ifdef RUN_IN_PLACE
864         std::string logfile = DEBUGFILE;
865 #else
866         std::string logfile = porting::path_user+DIR_DELIM+DEBUGFILE;
867 #endif
868         if(cmd_args.exists("logfile"))
869                 logfile = cmd_args.get("logfile");
870         if(logfile != "")
871                 debugstreams_init(false, logfile.c_str());
872         else
873                 debugstreams_init(false, NULL);
874
875         infostream<<"logfile    = "<<logfile<<std::endl;
876         infostream<<"path_share = "<<porting::path_share<<std::endl;
877         infostream<<"path_user  = "<<porting::path_user<<std::endl;
878
879         // Initialize debug stacks
880         debug_stacks_init();
881         DSTACK(__FUNCTION_NAME);
882
883         // Debug handler
884         BEGIN_DEBUG_EXCEPTION_HANDLER
885         
886         // List gameids if requested
887         if(cmd_args.exists("gameid") && cmd_args.get("gameid") == "list")
888         {
889                 std::set<std::string> gameids = getAvailableGameIds();
890                 for(std::set<std::string>::const_iterator i = gameids.begin();
891                                 i != gameids.end(); i++)
892                         dstream<<(*i)<<std::endl;
893                 return 0;
894         }
895         
896         // Print startup message
897         actionstream<<PROJECT_NAME<<
898                         " with SER_FMT_VER_HIGHEST="<<(int)SER_FMT_VER_HIGHEST
899                         <<", "<<BUILD_INFO
900                         <<std::endl;
901         
902         /*
903                 Basic initialization
904         */
905
906         // Initialize default settings
907         set_default_settings(g_settings);
908         
909         // Initialize sockets
910         sockets_init();
911         atexit(sockets_cleanup);
912         
913         /*
914                 Read config file
915         */
916         
917         // Path of configuration file in use
918         std::string configpath = "";
919         
920         if(cmd_args.exists("config"))
921         {
922                 bool r = g_settings->readConfigFile(cmd_args.get("config").c_str());
923                 if(r == false)
924                 {
925                         errorstream<<"Could not read configuration from \""
926                                         <<cmd_args.get("config")<<"\""<<std::endl;
927                         return 1;
928                 }
929                 configpath = cmd_args.get("config");
930         }
931         else
932         {
933                 core::array<std::string> filenames;
934                 filenames.push_back(porting::path_user +
935                                 DIR_DELIM + "minetest.conf");
936                 // Legacy configuration file location
937                 filenames.push_back(porting::path_user +
938                                 DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
939 #ifdef RUN_IN_PLACE
940                 // Try also from a lower level (to aid having the same configuration
941                 // for many RUN_IN_PLACE installs)
942                 filenames.push_back(porting::path_user +
943                                 DIR_DELIM + ".." + DIR_DELIM + ".." + DIR_DELIM + "minetest.conf");
944 #endif
945
946                 for(u32 i=0; i<filenames.size(); i++)
947                 {
948                         bool r = g_settings->readConfigFile(filenames[i].c_str());
949                         if(r)
950                         {
951                                 configpath = filenames[i];
952                                 break;
953                         }
954                 }
955                 
956                 // If no path found, use the first one (menu creates the file)
957                 if(configpath == "")
958                         configpath = filenames[0];
959         }
960
961         // Initialize random seed
962         srand(time(0));
963         mysrand(time(0));
964
965         /*
966                 Run unit tests
967         */
968
969         if((ENABLE_TESTS && cmd_args.getFlag("disable-unittests") == false)
970                         || cmd_args.getFlag("enable-unittests") == true)
971         {
972                 run_tests();
973         }
974         
975         /*
976                 Game parameters
977         */
978
979         // Port
980         u16 port = 30000;
981         if(cmd_args.exists("port"))
982                 port = cmd_args.getU16("port");
983         else if(g_settings->exists("port"))
984                 port = g_settings->getU16("port");
985         if(port == 0)
986                 port = 30000;
987         
988         // World directory
989         std::string commanded_world = "";
990         if(cmd_args.exists("world"))
991                 commanded_world = cmd_args.get("world");
992         else if(cmd_args.exists("map-dir"))
993                 commanded_world = cmd_args.get("map-dir");
994         else if(cmd_args.exists("nonopt0"))
995                 commanded_world = cmd_args.get("nonopt0");
996         else if(g_settings->exists("map-dir"))
997                 commanded_world = g_settings->get("map-dir");
998         
999         // Strip world.mt from commanded_world
1000         {
1001                 std::string worldmt = "world.mt";
1002                 if(commanded_world.size() > worldmt.size() &&
1003                                 commanded_world.substr(commanded_world.size()-worldmt.size())
1004                                 == worldmt){
1005                         dstream<<"Supplied world.mt file - stripping it off."<<std::endl;
1006                         commanded_world = commanded_world.substr(
1007                                         0, commanded_world.size()-worldmt.size());
1008                 }
1009         }
1010         
1011         // Gamespec
1012         SubgameSpec commanded_gamespec;
1013         if(cmd_args.exists("gameid")){
1014                 std::string gameid = cmd_args.get("gameid");
1015                 commanded_gamespec = findSubgame(gameid);
1016                 if(!commanded_gamespec.isValid()){
1017                         errorstream<<"Game \""<<gameid<<"\" not found"<<std::endl;
1018                         return 1;
1019                 }
1020         }
1021
1022         /*
1023                 Run dedicated server if asked to or no other option
1024         */
1025 #ifdef SERVER
1026         bool run_dedicated_server = true;
1027 #else
1028         bool run_dedicated_server = cmd_args.getFlag("server");
1029 #endif
1030         if(run_dedicated_server)
1031         {
1032                 DSTACK("Dedicated server branch");
1033                 // Create time getter if built with Irrlicht
1034 #ifndef SERVER
1035                 g_timegetter = new SimpleTimeGetter();
1036 #endif
1037
1038                 // World directory
1039                 std::string world_path;
1040                 bool is_legacy_world = false;
1041                 if(commanded_world != ""){
1042                         world_path = commanded_world;
1043                 }
1044                 else{
1045                         // No specific world was commanded
1046                         // Check if the world is found from the default directory, and if
1047                         // not, see if the legacy world directory exists.
1048                         world_path = porting::path_user + DIR_DELIM + "worlds" + DIR_DELIM + "world";
1049                         std::string legacy_world_path = porting::path_user + DIR_DELIM + "world";
1050                         if(!fs::PathExists(world_path) && fs::PathExists(legacy_world_path)){
1051                                 errorstream<<"Warning: Using legacy world directory \""
1052                                                 <<legacy_world_path<<"\""<<std::endl;
1053                                 world_path = legacy_world_path;
1054                                 is_legacy_world = true;
1055                         }
1056                 }
1057
1058                 if(world_path == ""){
1059                         errorstream<<"No world path specified or found."<<std::endl;
1060                         return 1;
1061                 }
1062
1063                 // Gamespec
1064                 std::string world_gameid = getWorldGameId(world_path, is_legacy_world);
1065                 SubgameSpec gamespec = findSubgame(world_gameid);
1066                 if(commanded_gamespec.isValid() &&
1067                                 commanded_gamespec.id != world_gameid){
1068                         errorstream<<"WARNING: Overriding gameid from \""
1069                                         <<world_gameid<<"\" to \""
1070                                         <<commanded_gamespec.id<<"\""<<std::endl;
1071                         gamespec = commanded_gamespec;
1072                 }
1073
1074                 if(!gamespec.isValid()){
1075                         errorstream<<"Invalid gamespec. (world_gameid="
1076                                         <<world_gameid<<")"<<std::endl;
1077                         return 1;
1078                 }
1079                 
1080                 infostream<<"Using gamespec \""<<gamespec.id<<"\""<<std::endl;
1081
1082                 // Create server
1083                 Server server(world_path, configpath, gamespec, false);
1084                 server.start(port);
1085                 
1086                 // Run server
1087                 dedicated_server_loop(server, kill);
1088
1089                 return 0;
1090         }
1091
1092 #ifndef SERVER // Exclude from dedicated server build
1093
1094         /*
1095                 More parameters
1096         */
1097         
1098         std::string address = g_settings->get("address");
1099         if(commanded_world != "")
1100                 address = "";
1101         else if(cmd_args.exists("address"))
1102                 address = cmd_args.get("address");
1103         else if(cmd_args.exists("world"))
1104                 address = "";
1105         
1106         std::string playername = g_settings->get("name");
1107         if(cmd_args.exists("name"))
1108                 playername = cmd_args.get("name");
1109         
1110         bool skip_main_menu = cmd_args.getFlag("go");
1111
1112         /*
1113                 Device initialization
1114         */
1115
1116         // Resolution selection
1117         
1118         bool fullscreen = false;
1119         u16 screenW = g_settings->getU16("screenW");
1120         u16 screenH = g_settings->getU16("screenH");
1121
1122         // Determine driver
1123
1124         video::E_DRIVER_TYPE driverType;
1125         
1126         std::string driverstring = g_settings->get("video_driver");
1127
1128         if(driverstring == "null")
1129                 driverType = video::EDT_NULL;
1130         else if(driverstring == "software")
1131                 driverType = video::EDT_SOFTWARE;
1132         else if(driverstring == "burningsvideo")
1133                 driverType = video::EDT_BURNINGSVIDEO;
1134         else if(driverstring == "direct3d8")
1135                 driverType = video::EDT_DIRECT3D8;
1136         else if(driverstring == "direct3d9")
1137                 driverType = video::EDT_DIRECT3D9;
1138         else if(driverstring == "opengl")
1139                 driverType = video::EDT_OPENGL;
1140         else
1141         {
1142                 errorstream<<"WARNING: Invalid video_driver specified; defaulting "
1143                                 "to opengl"<<std::endl;
1144                 driverType = video::EDT_OPENGL;
1145         }
1146
1147         /*
1148                 Create device and exit if creation failed
1149         */
1150
1151         MyEventReceiver receiver;
1152
1153         IrrlichtDevice *device;
1154         device = createDevice(driverType,
1155                         core::dimension2d<u32>(screenW, screenH),
1156                         16, fullscreen, false, false, &receiver);
1157
1158         if (device == 0)
1159                 return 1; // could not create selected driver.
1160         
1161         /*
1162                 Continue initialization
1163         */
1164
1165         video::IVideoDriver* driver = device->getVideoDriver();
1166
1167         // Disable mipmaps (because some of them look ugly)
1168         driver->setTextureCreationFlag(video::ETCF_CREATE_MIP_MAPS, false);
1169
1170         /*
1171                 This changes the minimum allowed number of vertices in a VBO.
1172                 Default is 500.
1173         */
1174         //driver->setMinHardwareBufferVertexCount(50);
1175
1176         // Create time getter
1177         g_timegetter = new IrrlichtTimeGetter(device);
1178         
1179         // Create game callback for menus
1180         g_gamecallback = new MainGameCallback(device);
1181         
1182         /*
1183                 Speed tests (done after irrlicht is loaded to get timer)
1184         */
1185         if(cmd_args.getFlag("speedtests"))
1186         {
1187                 dstream<<"Running speed tests"<<std::endl;
1188                 SpeedTests();
1189                 return 0;
1190         }
1191         
1192         device->setResizable(true);
1193
1194         bool random_input = g_settings->getBool("random_input")
1195                         || cmd_args.getFlag("random-input");
1196         InputHandler *input = NULL;
1197         if(random_input)
1198                 input = new RandomInputHandler();
1199         else
1200                 input = new RealInputHandler(device, &receiver);
1201         
1202         scene::ISceneManager* smgr = device->getSceneManager();
1203
1204         guienv = device->getGUIEnvironment();
1205         gui::IGUISkin* skin = guienv->getSkin();
1206         gui::IGUIFont* font = guienv->getFont(getTexturePath("fontlucida.png").c_str());
1207         if(font)
1208                 skin->setFont(font);
1209         else
1210                 errorstream<<"WARNING: Font file was not found."
1211                                 " Using default font."<<std::endl;
1212         // If font was not found, this will get us one
1213         font = skin->getFont();
1214         assert(font);
1215         
1216         u32 text_height = font->getDimension(L"Hello, world!").Height;
1217         infostream<<"text_height="<<text_height<<std::endl;
1218
1219         //skin->setColor(gui::EGDC_BUTTON_TEXT, video::SColor(255,0,0,0));
1220         skin->setColor(gui::EGDC_BUTTON_TEXT, video::SColor(255,255,255,255));
1221         //skin->setColor(gui::EGDC_3D_HIGH_LIGHT, video::SColor(0,0,0,0));
1222         //skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(0,0,0,0));
1223         skin->setColor(gui::EGDC_3D_HIGH_LIGHT, video::SColor(255,0,0,0));
1224         skin->setColor(gui::EGDC_3D_SHADOW, video::SColor(255,0,0,0));
1225         skin->setColor(gui::EGDC_HIGH_LIGHT, video::SColor(255,70,100,50));
1226         skin->setColor(gui::EGDC_HIGH_LIGHT_TEXT, video::SColor(255,255,255,255));
1227         
1228         /*
1229                 GUI stuff
1230         */
1231
1232         ChatBackend chat_backend;
1233
1234         /*
1235                 If an error occurs, this is set to something and the
1236                 menu-game loop is restarted. It is then displayed before
1237                 the menu.
1238         */
1239         std::wstring error_message = L"";
1240
1241         // The password entered during the menu screen,
1242         std::string password;
1243
1244         bool first_loop = true;
1245
1246         /*
1247                 Menu-game loop
1248         */
1249         while(device->run() && kill == false)
1250         {
1251                 // Set the window caption
1252                 device->setWindowCaption(L"Minetest [Main Menu]");
1253
1254                 // This is used for catching disconnects
1255                 try
1256                 {
1257
1258                         /*
1259                                 Clear everything from the GUIEnvironment
1260                         */
1261                         guienv->clear();
1262                         
1263                         /*
1264                                 We need some kind of a root node to be able to add
1265                                 custom gui elements directly on the screen.
1266                                 Otherwise they won't be automatically drawn.
1267                         */
1268                         guiroot = guienv->addStaticText(L"",
1269                                         core::rect<s32>(0, 0, 10000, 10000));
1270                         
1271                         SubgameSpec gamespec;
1272                         WorldSpec worldspec;
1273                         bool simple_singleplayer_mode = false;
1274
1275                         // These are set up based on the menu and other things
1276                         std::string current_playername = "inv£lid";
1277                         std::string current_password = "";
1278                         std::string current_address = "does-not-exist";
1279                         int current_port = 0;
1280
1281                         /*
1282                                 Out-of-game menu loop.
1283
1284                                 Loop quits when menu returns proper parameters.
1285                         */
1286                         while(kill == false)
1287                         {
1288                                 // If skip_main_menu, only go through here once
1289                                 if(skip_main_menu && !first_loop){
1290                                         kill = true;
1291                                         break;
1292                                 }
1293                                 first_loop = false;
1294                                 
1295                                 // Cursor can be non-visible when coming from the game
1296                                 device->getCursorControl()->setVisible(true);
1297                                 // Some stuff are left to scene manager when coming from the game
1298                                 // (map at least?)
1299                                 smgr->clear();
1300                                 
1301                                 // Initialize menu data
1302                                 MainMenuData menudata;
1303                                 if(g_settings->exists("selected_mainmenu_tab"))
1304                                         menudata.selected_tab = g_settings->getS32("selected_mainmenu_tab");
1305                                 menudata.address = narrow_to_wide(address);
1306                                 menudata.name = narrow_to_wide(playername);
1307                                 menudata.port = narrow_to_wide(itos(port));
1308                                 if(cmd_args.exists("password"))
1309                                         menudata.password = narrow_to_wide(cmd_args.get("password"));
1310                                 menudata.fancy_trees = g_settings->getBool("new_style_leaves");
1311                                 menudata.smooth_lighting = g_settings->getBool("smooth_lighting");
1312                                 menudata.clouds_3d = g_settings->getBool("enable_3d_clouds");
1313                                 menudata.opaque_water = g_settings->getBool("opaque_water");
1314                                 menudata.creative_mode = g_settings->getBool("creative_mode");
1315                                 menudata.enable_damage = g_settings->getBool("enable_damage");
1316                                 // Default to selecting nothing
1317                                 menudata.selected_world = -1;
1318                                 // Get world listing for the menu
1319                                 std::vector<WorldSpec> worldspecs = getAvailableWorlds();
1320                                 // If there is only one world, select it
1321                                 if(worldspecs.size() == 1){
1322                                         menudata.selected_world = 0;
1323                                 }
1324                                 // Otherwise try to select according to selected_world_path
1325                                 else if(g_settings->exists("selected_world_path")){
1326                                         std::string trypath = g_settings->get("selected_world_path");
1327                                         for(u32 i=0; i<worldspecs.size(); i++){
1328                                                 if(worldspecs[i].path == trypath){
1329                                                         menudata.selected_world = i;
1330                                                         break;
1331                                                 }
1332                                         }
1333                                 }
1334                                 // If a world was commanded, append and select it
1335                                 if(commanded_world != ""){
1336                                         std::string gameid = getWorldGameId(commanded_world, true);
1337                                         std::string name = "[--world parameter]";
1338                                         if(gameid == ""){
1339                                                 gameid = g_settings->get("default_game");
1340                                                 name += " [new]";
1341                                         }
1342                                         WorldSpec spec(commanded_world, name, gameid);
1343                                         worldspecs.push_back(spec);
1344                                         menudata.selected_world = worldspecs.size()-1;
1345                                 }
1346                                 // Copy worldspecs to menu
1347                                 menudata.worlds = worldspecs;
1348
1349                                 if(skip_main_menu == false)
1350                                 {
1351                                         GUIMainMenu *menu =
1352                                                         new GUIMainMenu(guienv, guiroot, -1, 
1353                                                                 &g_menumgr, &menudata, g_gamecallback);
1354                                         menu->allowFocusRemoval(true);
1355
1356                                         if(error_message != L"")
1357                                         {
1358                                                 verbosestream<<"error_message = "
1359                                                                 <<wide_to_narrow(error_message)<<std::endl;
1360
1361                                                 GUIMessageMenu *menu2 =
1362                                                                 new GUIMessageMenu(guienv, guiroot, -1, 
1363                                                                         &g_menumgr, error_message.c_str());
1364                                                 menu2->drop();
1365                                                 error_message = L"";
1366                                         }
1367
1368                                         video::IVideoDriver* driver = device->getVideoDriver();
1369                                         
1370                                         infostream<<"Created main menu"<<std::endl;
1371
1372                                         while(device->run() && kill == false)
1373                                         {
1374                                                 if(menu->getStatus() == true)
1375                                                         break;
1376
1377                                                 //driver->beginScene(true, true, video::SColor(255,0,0,0));
1378                                                 driver->beginScene(true, true, video::SColor(255,128,128,128));
1379
1380                                                 drawMenuBackground(driver);
1381
1382                                                 guienv->drawAll();
1383                                                 
1384                                                 driver->endScene();
1385                                                 
1386                                                 // On some computers framerate doesn't seem to be
1387                                                 // automatically limited
1388                                                 sleep_ms(25);
1389                                         }
1390                                         
1391                                         infostream<<"Dropping main menu"<<std::endl;
1392
1393                                         menu->drop();
1394                                 }
1395
1396                                 playername = wide_to_narrow(menudata.name);
1397                                 password = translatePassword(playername, menudata.password);
1398                                 //infostream<<"Main: password hash: '"<<password<<"'"<<std::endl;
1399
1400                                 address = wide_to_narrow(menudata.address);
1401                                 int newport = stoi(wide_to_narrow(menudata.port));
1402                                 if(newport != 0)
1403                                         port = newport;
1404                                 simple_singleplayer_mode = menudata.simple_singleplayer_mode;
1405                                 // Save settings
1406                                 g_settings->setS32("selected_mainmenu_tab", menudata.selected_tab);
1407                                 g_settings->set("new_style_leaves", itos(menudata.fancy_trees));
1408                                 g_settings->set("smooth_lighting", itos(menudata.smooth_lighting));
1409                                 g_settings->set("enable_3d_clouds", itos(menudata.clouds_3d));
1410                                 g_settings->set("opaque_water", itos(menudata.opaque_water));
1411                                 g_settings->set("creative_mode", itos(menudata.creative_mode));
1412                                 g_settings->set("enable_damage", itos(menudata.enable_damage));
1413                                 g_settings->set("name", playername);
1414                                 g_settings->set("address", address);
1415                                 g_settings->set("port", itos(port));
1416                                 if(menudata.selected_world != -1)
1417                                         g_settings->set("selected_world_path",
1418                                                         worldspecs[menudata.selected_world].path);
1419                                 
1420                                 // Break out of menu-game loop to shut down cleanly
1421                                 if(device->run() == false || kill == true)
1422                                         break;
1423                                 
1424                                 current_playername = playername;
1425                                 current_password = password;
1426                                 current_address = address;
1427                                 current_port = port;
1428
1429                                 // If using simple singleplayer mode, override
1430                                 if(simple_singleplayer_mode){
1431                                         current_playername = "singleplayer";
1432                                         current_password = "";
1433                                         current_address = "";
1434                                         current_port = 30011;
1435                                 }
1436                                 
1437                                 // Set world path to selected one
1438                                 if(menudata.selected_world != -1){
1439                                         worldspec = worldspecs[menudata.selected_world];
1440                                         infostream<<"Selected world: "<<worldspec.name
1441                                                         <<" ["<<worldspec.path<<"]"<<std::endl;
1442                                 }
1443                                 
1444                                 // Delete world if requested
1445                                 if(menudata.delete_world_spec.isValid())
1446                                 {
1447                                         bool r = fs::RecursiveDeleteContent(
1448                                                         menudata.delete_world_spec.path);
1449                                         if(r == false){
1450                                                 error_message = L"World delete failed";
1451                                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1452                                         }
1453                                         continue;
1454                                 }
1455
1456                                 // Create new world if requested
1457                                 if(menudata.create_world_name != L"")
1458                                 {
1459                                         std::string path = porting::path_user + DIR_DELIM
1460                                                         "worlds" + DIR_DELIM
1461                                                         + wide_to_narrow(menudata.create_world_name);
1462                                         // Create world if it doesn't exist
1463                                         if(!initializeWorld(path, menudata.create_world_gameid)){
1464                                                 error_message = L"Failed to initialize world";
1465                                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1466                                                 continue;
1467                                         }
1468                                         g_settings->set("selected_world_path", path);
1469                                         continue;
1470                                 }
1471
1472                                 // If local game
1473                                 if(current_address == "")
1474                                 {
1475                                         if(menudata.selected_world == -1){
1476                                                 error_message = L"No world selected and no address "
1477                                                                 L"provided. Nothing to do.";
1478                                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1479                                                 continue;
1480                                         }
1481                                         // Load gamespec for required game
1482                                         gamespec = findSubgame(worldspec.gameid);
1483                                         if(!gamespec.isValid() && !commanded_gamespec.isValid()){
1484                                                 error_message = L"Could not find or load game \""
1485                                                                 + narrow_to_wide(worldspec.gameid) + L"\"";
1486                                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1487                                                 continue;
1488                                         }
1489                                         if(commanded_gamespec.isValid() &&
1490                                                         commanded_gamespec.id != worldspec.gameid){
1491                                                 errorstream<<"WARNING: Overriding gamespec from \""
1492                                                                 <<worldspec.gameid<<"\" to \""
1493                                                                 <<commanded_gamespec.id<<"\""<<std::endl;
1494                                                 gamespec = commanded_gamespec;
1495                                         }
1496
1497                                         if(!gamespec.isValid()){
1498                                                 error_message = L"Invalid gamespec. (world_gameid="
1499                                                                 +narrow_to_wide(worldspec.gameid)+L")";
1500                                                 errorstream<<wide_to_narrow(error_message)<<std::endl;
1501                                                 continue;
1502                                         }
1503                                 }
1504
1505                                 // Continue to game
1506                                 break;
1507                         }
1508                         
1509                         // Break out of menu-game loop to shut down cleanly
1510                         if(device->run() == false || kill == true)
1511                                 break;
1512
1513                         /*
1514                                 Run game
1515                         */
1516                         the_game(
1517                                 kill,
1518                                 random_input,
1519                                 input,
1520                                 device,
1521                                 font,
1522                                 worldspec.path,
1523                                 current_playername,
1524                                 current_password,
1525                                 current_address,
1526                                 current_port,
1527                                 error_message,
1528                                 configpath,
1529                                 chat_backend,
1530                                 gamespec,
1531                                 simple_singleplayer_mode
1532                         );
1533
1534                 } //try
1535                 catch(con::PeerNotFoundException &e)
1536                 {
1537                         error_message = L"Connection error (timed out?)";
1538                         errorstream<<wide_to_narrow(error_message)<<std::endl;
1539                 }
1540                 catch(ServerError &e)
1541                 {
1542                         error_message = narrow_to_wide(e.what());
1543                         errorstream<<wide_to_narrow(error_message)<<std::endl;
1544                 }
1545                 catch(ModError &e)
1546                 {
1547                         errorstream<<e.what()<<std::endl;
1548                         error_message = narrow_to_wide(e.what()) + L"\nCheck debug.txt for details.";
1549                 }
1550 #ifdef NDEBUG
1551                 catch(std::exception &e)
1552                 {
1553                         std::string narrow_message = "Some exception, what()=\"";
1554                         narrow_message += e.what();
1555                         narrow_message += "\"";
1556                         errorstream<<narrow_message<<std::endl;
1557                         error_message = narrow_to_wide(narrow_message);
1558                 }
1559 #endif
1560
1561                 // If no main menu, show error and exit
1562                 if(skip_main_menu)
1563                 {
1564                         if(error_message != L""){
1565                                 verbosestream<<"error_message = "
1566                                                 <<wide_to_narrow(error_message)<<std::endl;
1567                                 retval = 1;
1568                         }
1569                         break;
1570                 }
1571         } // Menu-game loop
1572         
1573         delete input;
1574
1575         /*
1576                 In the end, delete the Irrlicht device.
1577         */
1578         device->drop();
1579
1580 #endif // !SERVER
1581         
1582         // Update configuration file
1583         if(configpath != "")
1584                 g_settings->updateConfigFile(configpath.c_str());
1585         
1586         // Print modified quicktune values
1587         {
1588                 bool header_printed = false;
1589                 std::vector<std::string> names = getQuicktuneNames();
1590                 for(u32 i=0; i<names.size(); i++){
1591                         QuicktuneValue val = getQuicktuneValue(names[i]);
1592                         if(!val.modified)
1593                                 continue;
1594                         if(!header_printed){
1595                                 dstream<<"Modified quicktune values:"<<std::endl;
1596                                 header_printed = true;
1597                         }
1598                         dstream<<names[i]<<" = "<<val.getString()<<std::endl;
1599                 }
1600         }
1601
1602         END_DEBUG_EXCEPTION_HANDLER(errorstream)
1603         
1604         debugstreams_deinit();
1605         
1606         return retval;
1607 }
1608
1609 //END
1610