When a menu is disabled, it now uses Benjamin's gray fonts!
[supertux.git] / src / setup.cpp
1 //  $Id$
2 //
3 //  SuperTux -  A Jump'n Run
4 //  Copyright (C) 2000 Bill Kendrick <bill@newbreedsoftware.com>
5 //
6 //  This program is free software; you can redistribute it and/or
7 //  modify it under the terms of the GNU General Public License
8 //  as published by the Free Software Foundation; either version 2
9 //  of the License, or (at your option) any later version.
10 //
11 //  This program is distributed in the hope that it will be useful,
12 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
13 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 //  GNU General Public License for more details.
15 //
16 //  You should have received a copy of the GNU General Public License
17 //  along with this program; if not, write to the Free Software
18 //  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
19
20 #include <cassert>
21 #include <cstdio>
22 #include <iostream>
23 #include <cstdio>
24 #include <cstdlib>
25 #include <cstring>
26 #include <cerrno>
27 #include <unistd.h>
28
29 #include "SDL.h"
30 #include "SDL_image.h"
31 #ifndef NOOPENGL
32 #include "SDL_opengl.h"
33 #endif
34
35 #include <sys/stat.h>
36 #include <sys/types.h>
37 #include <dirent.h>
38 #ifndef WIN32
39 #include <libgen.h>
40 #endif
41
42 #include <cctype>
43
44 #include "defines.h"
45 #include "globals.h"
46 #include "setup.h"
47 #include "screen/screen.h"
48 #include "screen/surface.h"
49 #include "menu.h"
50 #include "gameloop.h"
51 #include "configfile.h"
52 #include "scene.h"
53 #include "worldmap.h"
54 #include "resources.h"
55 #include "intro.h"
56 #include "sound_manager.h"
57 #include "gettext.h"
58
59 #include "player.h"
60
61 #ifdef WIN32
62 #define mkdir(dir, mode)    mkdir(dir)
63 // on win32 we typically don't want LFS paths
64 #undef DATA_PREFIX
65 #define DATA_PREFIX "./data/"
66 #endif
67
68 /* Screen proprities: */
69 /* Don't use this to test for the actual screen sizes. Use screen->w/h instead! */
70 #define SCREEN_W 800
71 #define SCREEN_H 600
72
73 /* Local function prototypes: */
74
75 void seticon(void);
76 void usage(char * prog, int ret);
77
78 /* Does the given file exist and is it accessible? */
79 int faccessible(const char *filename)
80 {
81   struct stat filestat;
82   if (stat(filename, &filestat) == -1)
83     {
84       return false;
85     }
86   else
87     {
88       if(S_ISREG(filestat.st_mode))
89         return true;
90       else
91         return false;
92     }
93 }
94
95 /* Can we write to this location? */
96 int fwriteable(const char *filename)
97 {
98   FILE* fi;
99   fi = fopen(filename, "wa");
100   if (fi == NULL)
101     {
102       return false;
103     }
104   return true;
105 }
106
107 /* Makes sure a directory is created in either the SuperTux home directory or the SuperTux base directory.*/
108 int fcreatedir(const char* relative_dir)
109 {
110   char path[1024];
111   snprintf(path, 1024, "%s/%s/", st_dir, relative_dir);
112   if(mkdir(path,0755) != 0)
113     {
114       snprintf(path, 1024, "%s/%s/", datadir.c_str(), relative_dir);
115       if(mkdir(path,0755) != 0)
116         {
117           return false;
118         }
119       else
120         {
121           return true;
122         }
123     }
124   else
125     {
126       return true;
127     }
128 }
129
130 FILE * opendata(const char * rel_filename, const char * mode)
131 {
132   char * filename = NULL;
133   FILE * fi;
134
135   filename = (char *) malloc(sizeof(char) * (strlen(st_dir) +
136                                              strlen(rel_filename) + 1));
137
138   strcpy(filename, st_dir);
139   /* Open the high score file: */
140
141   strcat(filename, rel_filename);
142
143   /* Try opening the file: */
144   fi = fopen(filename, mode);
145
146   if (fi == NULL)
147     {
148       fprintf(stderr, "Warning: Unable to open the file \"%s\" ", filename);
149
150       if (strcmp(mode, "r") == 0)
151         fprintf(stderr, "for read!!!\n");
152       else if (strcmp(mode, "w") == 0)
153         fprintf(stderr, "for write!!!\n");
154     }
155   free( filename );
156
157   return(fi);
158 }
159
160 /* Get all names of sub-directories in a certain directory. */
161 /* Returns the number of sub-directories found. */
162 /* Note: The user has to free the allocated space. */
163 string_list_type dsubdirs(const char *rel_path,const  char* expected_file)
164 {
165   DIR *dirStructP;
166   struct dirent *direntp;
167   string_list_type sdirs;
168   char filename[1024];
169   char path[1024];
170
171   string_list_init(&sdirs);
172   sprintf(path,"%s/%s",st_dir,rel_path);
173   if((dirStructP = opendir(path)) != NULL)
174     {
175       while((direntp = readdir(dirStructP)) != NULL)
176         {
177           char absolute_filename[1024];
178           struct stat buf;
179
180           sprintf(absolute_filename, "%s/%s", path, direntp->d_name);
181
182           if (stat(absolute_filename, &buf) == 0 && S_ISDIR(buf.st_mode))
183             {
184               if(expected_file != NULL)
185                 {
186                   sprintf(filename,"%s/%s/%s",path,direntp->d_name,expected_file);
187                   if(!faccessible(filename))
188                     continue;
189                 }
190
191               string_list_add_item(&sdirs,direntp->d_name);
192             }
193         }
194       closedir(dirStructP);
195     }
196
197   sprintf(path,"%s/%s",datadir.c_str(),rel_path);
198   if((dirStructP = opendir(path)) != NULL)
199     {
200       while((direntp = readdir(dirStructP)) != NULL)
201         {
202           char absolute_filename[1024];
203           struct stat buf;
204
205           sprintf(absolute_filename, "%s/%s", path, direntp->d_name);
206
207           if (stat(absolute_filename, &buf) == 0 && S_ISDIR(buf.st_mode))
208             {
209               if(expected_file != NULL)
210                 {
211                   sprintf(filename,"%s/%s/%s",path,direntp->d_name,expected_file);
212                   if(!faccessible(filename))
213                     {
214                       continue;
215                     }
216                   else
217                     {
218                       sprintf(filename,"%s/%s/%s/%s",st_dir,rel_path,direntp->d_name,expected_file);
219                       if(faccessible(filename))
220                         continue;
221                     }
222                 }
223
224               string_list_add_item(&sdirs,direntp->d_name);
225             }
226         }
227       closedir(dirStructP);
228     }
229
230   return sdirs;
231 }
232
233 string_list_type dfiles(const char *rel_path, const  char* glob, const  char* exception_str)
234 {
235   DIR *dirStructP;
236   struct dirent *direntp;
237   string_list_type sdirs;
238   char path[1024];
239
240   string_list_init(&sdirs);
241   sprintf(path,"%s/%s",st_dir,rel_path);
242   if((dirStructP = opendir(path)) != NULL)
243     {
244       while((direntp = readdir(dirStructP)) != NULL)
245         {
246           char absolute_filename[1024];
247           struct stat buf;
248
249           sprintf(absolute_filename, "%s/%s", path, direntp->d_name);
250
251           if (stat(absolute_filename, &buf) == 0 && S_ISREG(buf.st_mode))
252             {
253               if(exception_str != NULL)
254                 {
255                   if(strstr(direntp->d_name,exception_str) != NULL)
256                     continue;
257                 }
258               if(glob != NULL)
259                 if(strstr(direntp->d_name,glob) == NULL)
260                   continue;
261
262               string_list_add_item(&sdirs,direntp->d_name);
263             }
264         }
265       closedir(dirStructP);
266     }
267
268   sprintf(path,"%s/%s",datadir.c_str(),rel_path);
269   if((dirStructP = opendir(path)) != NULL)
270     {
271       while((direntp = readdir(dirStructP)) != NULL)
272         {
273           char absolute_filename[1024];
274           struct stat buf;
275
276           sprintf(absolute_filename, "%s/%s", path, direntp->d_name);
277
278           if (stat(absolute_filename, &buf) == 0 && S_ISREG(buf.st_mode))
279             {
280               if(exception_str != NULL)
281                 {
282                   if(strstr(direntp->d_name,exception_str) != NULL)
283                     continue;
284                 }
285               if(glob != NULL)
286                 if(strstr(direntp->d_name,glob) == NULL)
287                   continue;
288
289               string_list_add_item(&sdirs,direntp->d_name);
290             }
291         }
292       closedir(dirStructP);
293     }
294
295   return sdirs;
296 }
297
298 void free_strings(char **strings, int num)
299 {
300   int i;
301   for(i=0; i < num; ++i)
302     free(strings[i]);
303 }
304
305 /* --- SETUP --- */
306 /* Set SuperTux configuration and save directories */
307 void st_directory_setup(void)
308 {
309   char *home;
310   char str[1024];
311   /* Get home directory (from $HOME variable)... if we can't determine it,
312      use the current directory ("."): */
313   if (getenv("HOME") != NULL)
314     home = getenv("HOME");
315   else
316     home = ".";
317
318   st_dir = (char *) malloc(sizeof(char) * (strlen(home) +
319                                            strlen("/.supertux") + 1));
320   strcpy(st_dir, home);
321   strcat(st_dir, "/.supertux");
322
323   /* Remove .supertux config-file from old SuperTux versions */
324   if(faccessible(st_dir))
325     {
326       remove
327         (st_dir);
328     }
329
330   st_save_dir = (char *) malloc(sizeof(char) * (strlen(st_dir) + strlen("/save") + 1));
331
332   strcpy(st_save_dir,st_dir);
333   strcat(st_save_dir,"/save");
334
335   /* Create them. In the case they exist they won't destroy anything. */
336   mkdir(st_dir, 0755);
337   mkdir(st_save_dir, 0755);
338
339   sprintf(str, "%s/levels", st_dir);
340   mkdir(str, 0755);
341
342   // User has not that a datadir, so we try some magic
343   if (datadir.empty())
344     {
345 #ifndef WIN32
346       // Detect datadir
347       char exe_file[PATH_MAX];
348       if (readlink("/proc/self/exe", exe_file, PATH_MAX) < 0)
349         {
350           puts("Couldn't read /proc/self/exe, using default path: " DATA_PREFIX);
351           datadir = DATA_PREFIX;
352         }
353       else
354         {
355           std::string exedir = std::string(dirname(exe_file)) + "/";
356           
357           datadir = exedir + "../data"; // SuperTux run from source dir
358           if (access(datadir.c_str(), F_OK) != 0)
359             {
360               datadir = exedir + "../share/supertux"; // SuperTux run from PATH
361               if (access(datadir.c_str(), F_OK) != 0) 
362                 { // If all fails, fall back to compiled path
363                   datadir = DATA_PREFIX; 
364                 }
365             }
366         }
367 #else
368   datadir = DATA_PREFIX;
369 #endif
370     }
371   printf("Datadir: %s\n", datadir.c_str());
372 }
373
374 /* Create and setup menus. */
375 void st_menu(void)
376 {
377   main_menu      = new Menu();
378   options_menu   = new Menu();
379   options_keys_menu     = new Menu();
380   options_joystick_menu = new Menu();
381   load_game_menu = new Menu();
382   save_game_menu = new Menu();
383   game_menu      = new Menu();
384   highscore_menu = new Menu();
385   contrib_menu   = new Menu();
386   contrib_subset_menu   = new Menu();
387   worldmap_menu  = new Menu();
388
389   main_menu->set_pos(screen->w/2, 335);
390   main_menu->additem(MN_GOTO, _("Start Game"),0,load_game_menu, MNID_STARTGAME);
391   main_menu->additem(MN_GOTO, _("Contrib Levels"),0,contrib_menu, MNID_CONTRIB);
392   main_menu->additem(MN_GOTO, _("Options"),0,options_menu, MNID_OPTIONMENU);
393   main_menu->additem(MN_ACTION, _("Level Editor"),0,0, MNID_LEVELEDITOR);
394   main_menu->additem(MN_ACTION, _("Credits"),0,0, MNID_CREDITS);
395   main_menu->additem(MN_ACTION, _("Quit"),0,0, MNID_QUITMAINMENU);
396
397   options_menu->additem(MN_LABEL,_("Options"),0,0);
398   options_menu->additem(MN_HL,"",0,0);
399 #ifndef NOOPENGL
400   options_menu->additem(MN_TOGGLE,_("OpenGL    "),use_gl,0, MNID_OPENGL);
401 #else
402   options_menu->additem(MN_DEACTIVE,_("OpenGL (not supported)"),use_gl, 0, MNID_OPENGL);
403 #endif
404   options_menu->additem(MN_TOGGLE,_("Fullscreen"),use_fullscreen,0, MNID_FULLSCREEN);
405   if(audio_device)
406     {
407       options_menu->additem(MN_TOGGLE,_("Sound     "), use_sound,0, MNID_SOUND);
408       options_menu->additem(MN_TOGGLE,_("Music     "), use_music,0, MNID_MUSIC);
409     }
410   else
411     {
412       options_menu->additem(MN_DEACTIVE,_("Sound     "), false,0, MNID_SOUND);
413       options_menu->additem(MN_DEACTIVE,_("Music     "), false,0, MNID_MUSIC);
414     }
415   options_menu->additem(MN_TOGGLE,_("Show FPS  "),show_fps,0, MNID_SHOWFPS);
416   options_menu->additem(MN_GOTO,_("Setup Keys"),0,options_keys_menu);
417
418   if(use_joystick)
419     options_menu->additem(MN_GOTO,_("Setup Joystick"),0,options_joystick_menu);
420
421   options_menu->additem(MN_HL,"",0,0);
422   options_menu->additem(MN_BACK,_("Back"),0,0);
423   
424   options_keys_menu->additem(MN_LABEL,_("Keyboard Setup"),0,0);
425   options_keys_menu->additem(MN_HL,"",0,0);
426   options_keys_menu->additem(MN_CONTROLFIELD_KB,_("Left move"), 0,0, 0,&keymap.left);
427   options_keys_menu->additem(MN_CONTROLFIELD_KB,_("Right move"), 0,0, 0,&keymap.right);
428   options_keys_menu->additem(MN_CONTROLFIELD_KB,_("Jump"), 0,0, 0,&keymap.jump);
429   options_keys_menu->additem(MN_CONTROLFIELD_KB,_("Duck"), 0,0, 0,&keymap.duck);
430   options_keys_menu->additem(MN_CONTROLFIELD_KB,_("Activate"), 0, 0, 0,
431           &keymap.activate);
432   options_keys_menu->additem(MN_CONTROLFIELD_KB,_("Power/Run"), 0,0, 0,&keymap.fire);
433   options_keys_menu->additem(MN_HL,"",0,0);
434   options_keys_menu->additem(MN_BACK,_("Back"),0,0);
435
436   if(use_joystick)
437     {
438     options_joystick_menu->additem(MN_LABEL,_("Joystick Setup"),0,0);
439     options_joystick_menu->additem(MN_HL,"",0,0);
440     //options_joystick_menu->additem(MN_CONTROLFIELD_JS,"X axis", 0,0, 0,&joystick_keymap.x_axis);
441     //options_joystick_menu->additem(MN_CONTROLFIELD_JS,"Y axis", 0,0, 0,&joystick_keymap.y_axis);
442     options_joystick_menu->additem(MN_CONTROLFIELD_JS,_("A button"), 0,0, 0,&joystick_keymap.a_button);
443     options_joystick_menu->additem(MN_CONTROLFIELD_JS,_("B button"), 0,0, 0,&joystick_keymap.b_button);
444     //options_joystick_menu->additem(MN_CONTROLFIELD_JS,"Start", 0,0, 0,&joystick_keymap.start_button);
445     //options_joystick_menu->additem(MN_CONTROLFIELD_JS,"DeadZone", 0,0, 0,&joystick_keymap.dead_zone);
446     options_joystick_menu->additem(MN_HL,"",0,0);
447     options_joystick_menu->additem(MN_BACK,_("Back"),0,0);
448     }
449   
450   load_game_menu->additem(MN_LABEL,_("Start Game"),0,0);
451   load_game_menu->additem(MN_HL,"",0,0);
452   load_game_menu->additem(MN_DEACTIVE,"Slot 1",0,0, 1);
453   load_game_menu->additem(MN_DEACTIVE,"Slot 2",0,0, 2);
454   load_game_menu->additem(MN_DEACTIVE,"Slot 3",0,0, 3);
455   load_game_menu->additem(MN_DEACTIVE,"Slot 4",0,0, 4);
456   load_game_menu->additem(MN_DEACTIVE,"Slot 5",0,0, 5);
457   load_game_menu->additem(MN_HL,"",0,0);
458   load_game_menu->additem(MN_BACK,_("Back"),0,0);
459
460   save_game_menu->additem(MN_LABEL,_("Save Game"),0,0);
461   save_game_menu->additem(MN_HL,"",0,0);
462   save_game_menu->additem(MN_DEACTIVE,"Slot 1",0,0, 1);
463   save_game_menu->additem(MN_DEACTIVE,"Slot 2",0,0, 2);
464   save_game_menu->additem(MN_DEACTIVE,"Slot 3",0,0, 3);
465   save_game_menu->additem(MN_DEACTIVE,"Slot 4",0,0, 4);
466   save_game_menu->additem(MN_DEACTIVE,"Slot 5",0,0, 5);
467   save_game_menu->additem(MN_HL,"",0,0);
468   save_game_menu->additem(MN_BACK,"Back",0,0);
469
470   game_menu->additem(MN_LABEL,_("Pause"),0,0);
471   game_menu->additem(MN_HL,"",0,0);
472   game_menu->additem(MN_ACTION,_("Continue"),0,0,MNID_CONTINUE);
473   game_menu->additem(MN_GOTO,_("Options"),0,options_menu);
474   game_menu->additem(MN_HL,"",0,0);
475   game_menu->additem(MN_ACTION,_("Abort Level"),0,0,MNID_ABORTLEVEL);
476
477   worldmap_menu->additem(MN_LABEL,_("Pause"),0,0);
478   worldmap_menu->additem(MN_HL,"",0,0);
479   worldmap_menu->additem(MN_ACTION,_("Continue"),0,0,MNID_RETURNWORLDMAP);
480   worldmap_menu->additem(MN_GOTO,_("Options"),0,options_menu);
481   worldmap_menu->additem(MN_HL,"",0,0);
482   worldmap_menu->additem(MN_ACTION,_("Quit Game"),0,0,MNID_QUITWORLDMAP);
483
484   highscore_menu->additem(MN_TEXTFIELD,_("Enter your name:"),0,0);
485 }
486
487 void update_load_save_game_menu(Menu* pmenu)
488 {
489   for(int i = 2; i < 7; ++i)
490     {
491       // FIXME: Insert a real savegame struct/class here instead of
492       // doing string vodoo
493       std::string tmp = slotinfo(i - 1);
494       pmenu->item[i].kind = MN_ACTION;
495       pmenu->item[i].change_text(tmp.c_str());
496     }
497 }
498
499 bool process_load_game_menu()
500 {
501   int slot = load_game_menu->check();
502
503   if(slot != -1 && load_game_menu->get_item_by_id(slot).kind == MN_ACTION)
504     {
505       char slotfile[1024];
506       snprintf(slotfile, 1024, "%s/slot%d.stsg", st_save_dir, slot);
507
508       if (access(slotfile, F_OK) != 0)
509         {
510           draw_intro();
511         }
512
513       // shrink_fade(Point((screen->w/2),(screen->h/2)), 1000);
514       fadeout(256);
515       WorldMapNS::WorldMap worldmap;
516      
517       // Load the game or at least set the savegame_file variable
518       worldmap.loadgame(slotfile);
519
520       worldmap.display();
521       
522       Menu::set_current(main_menu);
523
524       st_pause_ticks_stop();
525       return true;
526     }
527   else
528     {
529       return false;
530     }
531 }
532
533 /* Handle changes made to global settings in the options menu. */
534 void process_options_menu(void)
535 {
536   switch (options_menu->check())
537     {
538     case MNID_OPENGL:
539 #ifndef NOOPENGL
540       if(use_gl != options_menu->isToggled(MNID_OPENGL))
541         {
542           use_gl = !use_gl;
543           st_video_setup();
544         }
545 #else
546       options_menu->get_item_by_id(MNID_OPENGL).toggled = false;
547 #endif
548       break;
549     case MNID_FULLSCREEN:
550       if(use_fullscreen != options_menu->isToggled(MNID_FULLSCREEN))
551         {
552           use_fullscreen = !use_fullscreen;
553           st_video_setup();
554         }
555       break;
556     case MNID_SOUND:
557       if(use_sound != options_menu->isToggled(MNID_SOUND))
558         use_sound = !use_sound;
559       break;
560     case MNID_MUSIC:
561       if(use_music != options_menu->isToggled(MNID_MUSIC))
562         {
563           use_music = !use_music;
564           sound_manager->enable_music(use_music);
565         }
566       break;
567     case MNID_SHOWFPS:
568       if(show_fps != options_menu->isToggled(MNID_SHOWFPS))
569         show_fps = !show_fps;
570       break;
571     }
572 }
573
574 void st_general_setup(void)
575 {
576   /* Seed random number generator: */
577
578   srand(SDL_GetTicks());
579
580   /* Set icon image: */
581
582   seticon();
583
584   /* Unicode needed for input handling: */
585
586   SDL_EnableUNICODE(1);
587
588   /* Load global images: */
589   gold_text = new Font(datadir + "/images/fonts/gold.png", Font::TEXT, 16,18);
590   blue_text = new Font(datadir + "/images/fonts/blue.png", Font::TEXT, 16,18,3);
591   white_text  = new Font(datadir + "/images/fonts/white.png",
592       Font::TEXT, 16,18);
593   gray_text  = new Font(datadir + "/images/fonts/gray.png",
594       Font::TEXT, 16,18);
595   white_small_text = new Font(datadir + "/images/fonts/white-small.png",
596           Font::TEXT, 8,9, 1);
597   white_big_text   = new Font(datadir + "/images/fonts/white-big.png",
598       Font::TEXT, 20,22, 3);
599   yellow_nums = new Font(datadir + "/images/fonts/numbers.png",
600       Font::NUM, 32,32);
601
602   /* Load GUI/menu images: */
603   checkbox = new Surface(datadir + "/images/status/checkbox.png", USE_ALPHA);
604   checkbox_checked = new Surface(datadir + "/images/status/checkbox-checked.png", USE_ALPHA);
605   back = new Surface(datadir + "/images/status/back.png", USE_ALPHA);
606   arrow_left = new Surface(datadir + "/images/icons/left.png", USE_ALPHA);
607   arrow_right = new Surface(datadir + "/images/icons/right.png", USE_ALPHA);
608
609   /* Load the mouse-cursor */
610   mouse_cursor = new MouseCursor( datadir + "/images/status/mousecursor.png",1);
611   MouseCursor::set_current(mouse_cursor);
612   
613 }
614
615 void st_general_free(void)
616 {
617
618   /* Free global images: */
619   delete gold_text;
620   delete white_text;
621   delete blue_text;
622   delete white_small_text;
623   delete white_big_text;
624   delete yellow_nums;
625
626   /* Free GUI/menu images: */
627   delete checkbox;
628   delete checkbox_checked;
629   delete back;
630   delete arrow_left;
631   delete arrow_right;
632
633   /* Free mouse-cursor */
634   delete mouse_cursor;
635   
636   /* Free menus */
637   delete main_menu;
638   delete game_menu;
639   delete options_menu;
640   delete options_keys_menu;
641   delete options_joystick_menu;
642   delete highscore_menu;
643   delete contrib_menu;
644   delete contrib_subset_menu;
645   delete worldmap_menu;
646   delete save_game_menu;
647   delete load_game_menu;
648 }
649
650 void st_video_setup(void)
651 {
652   /* Init SDL Video: */
653   if (SDL_Init(SDL_INIT_VIDEO) < 0)
654     {
655       fprintf(stderr,
656               "\nError: I could not initialize video!\n"
657               "The Simple DirectMedia error that occured was:\n"
658               "%s\n\n", SDL_GetError());
659       exit(1);
660     }
661
662   /* Open display: */
663   if(use_gl)
664     st_video_setup_gl();
665   else
666     st_video_setup_sdl();
667
668   Surface::reload_all();
669
670   /* Set window manager stuff: */
671   SDL_WM_SetCaption("SuperTux " VERSION, "SuperTux");
672 }
673
674 void st_video_setup_sdl(void)
675 {
676   if (use_fullscreen)
677     {
678       screen = SDL_SetVideoMode(SCREEN_W, SCREEN_H, 0, SDL_FULLSCREEN ) ; /* | SDL_HWSURFACE); */
679       if (screen == NULL)
680         {
681           fprintf(stderr,
682                   "\nWarning: I could not set up fullscreen video for "
683                   "800x600 mode.\n"
684                   "The Simple DirectMedia error that occured was:\n"
685                   "%s\n\n", SDL_GetError());
686           use_fullscreen = false;
687         }
688     }
689   else
690     {
691       screen = SDL_SetVideoMode(SCREEN_W, SCREEN_H, 0, SDL_HWSURFACE | SDL_DOUBLEBUF );
692
693       if (screen == NULL)
694         {
695           fprintf(stderr,
696                   "\nError: I could not set up video for 800x600 mode.\n"
697                   "The Simple DirectMedia error that occured was:\n"
698                   "%s\n\n", SDL_GetError());
699           exit(1);
700         }
701     }
702 }
703
704 void st_video_setup_gl(void)
705 {
706 #ifndef NOOPENGL
707
708   SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
709   SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
710   SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
711   SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
712   SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
713
714   if (use_fullscreen)
715     {
716       screen = SDL_SetVideoMode(SCREEN_W, SCREEN_H, 0, SDL_FULLSCREEN | SDL_OPENGL) ; /* | SDL_HWSURFACE); */
717       if (screen == NULL)
718         {
719           fprintf(stderr,
720                   "\nWarning: I could not set up fullscreen video for "
721                   "640x480 mode.\n"
722                   "The Simple DirectMedia error that occured was:\n"
723                   "%s\n\n", SDL_GetError());
724           use_fullscreen = false;
725         }
726     }
727   else
728     {
729       screen = SDL_SetVideoMode(SCREEN_W, SCREEN_H, 0, SDL_OPENGL);
730
731       if (screen == NULL)
732         {
733           fprintf(stderr,
734                   "\nError: I could not set up video for 640x480 mode.\n"
735                   "The Simple DirectMedia error that occured was:\n"
736                   "%s\n\n", SDL_GetError());
737           exit(1);
738         }
739     }
740
741   /*
742    * Set up OpenGL for 2D rendering.
743    */
744   glDisable(GL_DEPTH_TEST);
745   glDisable(GL_CULL_FACE);
746
747   glViewport(0, 0, screen->w, screen->h);
748   glMatrixMode(GL_PROJECTION);
749   glLoadIdentity();
750   glOrtho(0, screen->w, screen->h, 0, -1.0, 1.0);
751
752   glMatrixMode(GL_MODELVIEW);
753   glLoadIdentity();
754   glTranslatef(0.0f, 0.0f, 0.0f);
755
756 #endif
757
758 }
759
760 void st_joystick_setup(void)
761 {
762
763   /* Init Joystick: */
764
765   use_joystick = true;
766
767   if (SDL_Init(SDL_INIT_JOYSTICK) < 0)
768     {
769       fprintf(stderr, "Warning: I could not initialize joystick!\n"
770               "The Simple DirectMedia error that occured was:\n"
771               "%s\n\n", SDL_GetError());
772
773       use_joystick = false;
774     }
775   else
776     {
777       /* Open joystick: */
778       if (SDL_NumJoysticks() <= 0)
779         {
780           fprintf(stderr, "Info: No joysticks were found.\n");
781
782           use_joystick = false;
783         }
784       else
785         {
786           js = SDL_JoystickOpen(joystick_num);
787
788           if (js == NULL)
789             {
790               fprintf(stderr, "Warning: Could not open joystick %d.\n"
791                       "The Simple DirectMedia error that occured was:\n"
792                       "%s\n\n", joystick_num, SDL_GetError());
793
794               use_joystick = false;
795             }
796           else
797             {
798               if (SDL_JoystickNumAxes(js) < 2)
799                 {
800                   fprintf(stderr,
801                           "Warning: Joystick does not have enough axes!\n");
802
803                   use_joystick = false;
804                 }
805               else
806                 {
807                   if (SDL_JoystickNumButtons(js) < 2)
808                     {
809                       fprintf(stderr,
810                               "Warning: "
811                               "Joystick does not have enough buttons!\n");
812
813                       use_joystick = false;
814                     }
815                 }
816             }
817         }
818     }
819 }
820
821 void st_audio_setup(void)
822 {
823
824   /* Init SDL Audio silently even if --disable-sound : */
825
826   if (audio_device)
827     {
828       if (SDL_Init(SDL_INIT_AUDIO) < 0)
829         {
830           /* only print out message if sound or music
831              was not disabled at command-line
832            */
833           if (use_sound || use_music)
834             {
835               fprintf(stderr,
836                       "\nWarning: I could not initialize audio!\n"
837                       "The Simple DirectMedia error that occured was:\n"
838                       "%s\n\n", SDL_GetError());
839             }
840           /* keep the programming logic the same :-)
841              because in this case, use_sound & use_music' values are ignored
842              when there's no available audio device
843           */
844           use_sound = false;
845           use_music = false;
846           audio_device = false;
847         }
848     }
849
850
851   /* Open sound silently regarless the value of "use_sound": */
852
853   if (audio_device)
854     {
855       if (open_audio(44100, AUDIO_S16, 2, 2048) < 0)
856         {
857           /* only print out message if sound or music
858              was not disabled at command-line
859            */
860           if (use_sound || use_music)
861             {
862               fprintf(stderr,
863                       "\nWarning: I could not set up audio for 44100 Hz "
864                       "16-bit stereo.\n"
865                       "The Simple DirectMedia error that occured was:\n"
866                       "%s\n\n", SDL_GetError());
867             }
868           use_sound = false;
869           use_music = false;
870           audio_device = false;
871         }
872     }
873
874 }
875
876
877 /* --- SHUTDOWN --- */
878
879 void st_shutdown(void)
880 {
881   close_audio();
882   SDL_Quit();
883   saveconfig();
884 }
885
886 /* --- ABORT! --- */
887
888 void st_abort(const std::string& reason, const std::string& details)
889 {
890   fprintf(stderr, "\nError: %s\n%s\n\n", reason.c_str(), details.c_str());
891   st_shutdown();
892   abort();
893 }
894
895 /* Set Icon (private) */
896
897 void seticon(void)
898 {
899 //  int masklen;
900 //  Uint8 * mask;
901   SDL_Surface * icon;
902
903
904   /* Load icon into a surface: */
905
906   icon = IMG_Load((datadir + "/images/supertux.xpm").c_str());
907   if (icon == NULL)
908     {
909       fprintf(stderr,
910               "\nError: I could not load the icon image: %s%s\n"
911               "The Simple DirectMedia error that occured was:\n"
912               "%s\n\n", datadir.c_str(), "/images/supertux.xpm", SDL_GetError());
913       exit(1);
914     }
915
916
917   /* Create mask: */
918 /*
919   masklen = (((icon -> w) + 7) / 8) * (icon -> h);
920   mask = (Uint8*) malloc(masklen * sizeof(Uint8));
921   memset(mask, 0xFF, masklen);
922 */
923
924   /* Set icon: */
925
926   SDL_WM_SetIcon(icon, NULL);//mask);
927
928
929   /* Free icon surface & mask: */
930
931 //  free(mask);
932   SDL_FreeSurface(icon);
933 }
934
935
936 /* Parse command-line arguments: */
937
938 void parseargs(int argc, char * argv[])
939 {
940   int i;
941
942   loadconfig();
943
944   /* Parse arguments: */
945
946   for (i = 1; i < argc; i++)
947     {
948       if (strcmp(argv[i], "--fullscreen") == 0 ||
949           strcmp(argv[i], "-f") == 0)
950         {
951           use_fullscreen = true;
952         }
953       else if (strcmp(argv[i], "--window") == 0 ||
954                strcmp(argv[i], "-w") == 0)
955         {
956           use_fullscreen = false;
957         }
958       else if (strcmp(argv[i], "--joystick") == 0 || strcmp(argv[i], "-j") == 0)
959         {
960           assert(i+1 < argc);
961           joystick_num = atoi(argv[++i]);
962         }
963       else if (strcmp(argv[i], "--joymap") == 0)
964         {
965           assert(i+1 < argc);
966           if (sscanf(argv[++i],
967                      "%d:%d:%d:%d:%d", 
968                      &joystick_keymap.x_axis, 
969                      &joystick_keymap.y_axis, 
970                      &joystick_keymap.a_button, 
971                      &joystick_keymap.b_button, 
972                      &joystick_keymap.start_button) != 5)
973             {
974               puts("Warning: Invalid or incomplete joymap, should be: 'XAXIS:YAXIS:A:B:START'");
975             }
976           else
977             {
978               std::cout << "Using new joymap:\n"
979                         << "  X-Axis:       " << joystick_keymap.x_axis << "\n"
980                         << "  Y-Axis:       " << joystick_keymap.y_axis << "\n"
981                         << "  A-Button:     " << joystick_keymap.a_button << "\n"
982                         << "  B-Button:     " << joystick_keymap.b_button << "\n"
983                         << "  Start-Button: " << joystick_keymap.start_button << std::endl;
984             }
985         }
986       else if (strcmp(argv[i], "--leveleditor") == 0)
987         {
988           launch_leveleditor_mode = true;
989         }
990       else if (strcmp(argv[i], "--datadir") == 0 
991                || strcmp(argv[i], "-d") == 0 )
992         {
993           assert(i+1 < argc);
994           datadir = argv[++i];
995         }
996       else if (strcmp(argv[i], "--show-fps") == 0)
997         {
998           /* Use full screen: */
999
1000           show_fps = true;
1001         }
1002       else if (strcmp(argv[i], "--opengl") == 0 ||
1003                strcmp(argv[i], "-gl") == 0)
1004         {
1005 #ifndef NOOPENGL
1006           /* Use OpengGL: */
1007
1008           use_gl = true;
1009 #endif
1010         }
1011       else if (strcmp(argv[i], "--sdl") == 0)
1012           {
1013             use_gl = false;
1014           }
1015       else if (strcmp(argv[i], "--usage") == 0)
1016         {
1017           /* Show usage: */
1018
1019           usage(argv[0], 0);
1020         }
1021       else if (strcmp(argv[i], "--version") == 0)
1022         {
1023           /* Show version: */
1024           printf("SuperTux " VERSION "\n");
1025           exit(0);
1026         }
1027       else if (strcmp(argv[i], "--disable-sound") == 0)
1028         {
1029           /* Disable the compiled in sound feature */
1030           printf("Sounds disabled \n");
1031           use_sound = false;
1032           audio_device = false;
1033         }
1034       else if (strcmp(argv[i], "--disable-music") == 0)
1035         {
1036           /* Disable the compiled in sound feature */
1037           printf("Music disabled \n");
1038           use_music = false;
1039         }
1040       else if (strcmp(argv[i], "--debug-mode") == 0)
1041         {
1042           /* Enable the debug-mode */
1043           debug_mode = true;
1044
1045         }
1046       else if (strcmp(argv[i], "--help") == 0)
1047         {     /* Show help: */
1048           puts(_("  SuperTux  " VERSION "\n"
1049                "  Please see the file \"README.txt\" for more details.\n"));
1050           printf(_("Usage: %s [OPTIONS] FILENAME\n\n"), argv[0]);
1051           puts(_("Display Options:\n"
1052                "  -f, --fullscreen    Run in fullscreen mode.\n"
1053                "  -w, --window        Run in window mode.\n"
1054                "  --opengl            If OpenGL support was compiled in, this will tell\n"
1055                "                      SuperTux to make use of it.\n"
1056                "  --sdl               Use the SDL software graphical renderer\n"
1057                "\n"
1058                "Sound Options:\n"
1059                "  --disable-sound     If sound support was compiled in,  this will\n"
1060                "                      disable sound for this session of the game.\n"
1061                "  --disable-music     Like above, but this will disable music.\n"
1062                "\n"
1063                "Misc Options:\n"
1064                "  -j, --joystick NUM  Use joystick NUM (default: 0)\n" 
1065                "  --joymap XAXIS:YAXIS:A:B:START\n"
1066                "                      Define how joystick buttons and axis should be mapped\n"
1067                "  --leveleditor       Opens the leveleditor in a file. (Only works when a file is provided.)\n"
1068                "  -d, --datadir DIR   Load Game data from DIR (default: automatic)\n"
1069                "  --debug-mode        Enables the debug-mode, which is useful for developers.\n"
1070                "  --help              Display a help message summarizing command-line\n"
1071                "                      options, license and game controls.\n"
1072                "  --usage             Display a brief message summarizing command-line options.\n"
1073                "  --version           Display the version of SuperTux you're running.\n\n"
1074                ));
1075           exit(0);
1076         }
1077       else if (argv[i][0] != '-')
1078         {
1079           level_startup_file = argv[i];
1080         }
1081       else
1082         {
1083           /* Unknown - complain! */
1084
1085           usage(argv[0], 1);
1086         }
1087     }
1088 }
1089
1090
1091 /* Display usage: */
1092
1093 void usage(char * prog, int ret)
1094 {
1095   FILE * fi;
1096
1097
1098   /* Determine which stream to write to: */
1099
1100   if (ret == 0)
1101     fi = stdout;
1102   else
1103     fi = stderr;
1104
1105
1106   /* Display the usage message: */
1107
1108   fprintf(fi, _("Usage: %s [--fullscreen] [--opengl] [--disable-sound] [--disable-music] [--debug-mode] | [--usage | --help | --version] [--leveleditor] FILENAME\n"),
1109           prog);
1110
1111
1112   /* Quit! */
1113
1114   exit(ret);
1115 }
1116
1117 std::vector<std::string> read_directory(const std::string& pathname)
1118 {
1119   std::vector<std::string> dirnames;
1120   
1121   DIR* dir = opendir(pathname.c_str());
1122   if (dir)
1123     {
1124       struct dirent *direntp;
1125       
1126       while((direntp = readdir(dir)))
1127         {
1128           dirnames.push_back(direntp->d_name);
1129         }
1130       
1131       closedir(dir);
1132     }
1133
1134   return dirnames;
1135 }
1136
1137 /* EOF */