7 bill@newbreedsoftware.com
8 http://www.newbreedsoftware.com/supertux/
10 April 11, 2000 - March 15, 2004
19 #include <SDL_image.h>
21 #include <SDL_opengl.h>
27 #include <sys/types.h>
40 /* Local function prototypes: */
43 void usage(char * prog, int ret);
45 /* Does the given file exist and is it accessible? */
46 int faccessible(const char *filename)
49 if (stat(filename, &filestat) == -1)
55 if(S_ISREG(filestat.st_mode))
62 /* Can we write to this location? */
63 int fwriteable(const char *filename)
66 fi = fopen(filename, "wa");
74 /* Makes sure a directory is created in either the SuperTux base directory or the SuperTux base directory.*/
75 int fcreatedir(const char* relative_dir)
78 snprintf(path, 1024, "%s/%s/", st_dir, relative_dir);
79 if(mkdir(path,0755) != 0)
81 snprintf(path, 1024, "%s/%s/", DATA_PREFIX, relative_dir);
82 if(mkdir(path,0755) != 0)
97 /* Get all names of sub-directories in a certain directory. */
98 /* Returns the number of sub-directories found. */
99 /* Note: The user has to free the allocated space. */
100 string_list_type dsubdirs(const char *rel_path,const char* expected_file)
103 struct dirent *direntp;
104 string_list_type sdirs;
108 string_list_init(&sdirs);
109 sprintf(path,"%s/%s",st_dir,rel_path);
110 if((dirStructP = opendir(path)) != NULL)
112 while((direntp = readdir(dirStructP)) != NULL)
114 char absolute_filename[1024];
117 sprintf(absolute_filename, "%s/%s", path, direntp->d_name);
119 if (stat(absolute_filename, &buf) == 0 && S_ISDIR(buf.st_mode))
121 if(expected_file != NULL)
123 sprintf(filename,"%s/%s/%s",path,direntp->d_name,expected_file);
124 if(!faccessible(filename))
128 string_list_add_item(&sdirs,direntp->d_name);
131 closedir(dirStructP);
134 sprintf(path,"%s/%s",DATA_PREFIX,rel_path);
135 if((dirStructP = opendir(path)) != NULL)
137 while((direntp = readdir(dirStructP)) != NULL)
139 char absolute_filename[1024];
142 sprintf(absolute_filename, "%s/%s", path, direntp->d_name);
144 if (stat(absolute_filename, &buf) == 0 && S_ISDIR(buf.st_mode))
146 if(expected_file != NULL)
148 sprintf(filename,"%s/%s/%s",path,direntp->d_name,expected_file);
149 if(!faccessible(filename))
155 sprintf(filename,"%s/%s/%s/%s",st_dir,rel_path,direntp->d_name,expected_file);
156 if(faccessible(filename))
161 string_list_add_item(&sdirs,direntp->d_name);
164 closedir(dirStructP);
170 string_list_type dfiles(const char *rel_path, const char* glob, const char* exception_str)
173 struct dirent *direntp;
174 string_list_type sdirs;
177 string_list_init(&sdirs);
178 sprintf(path,"%s/%s",st_dir,rel_path);
179 if((dirStructP = opendir(path)) != NULL)
181 while((direntp = readdir(dirStructP)) != NULL)
183 char absolute_filename[1024];
186 sprintf(absolute_filename, "%s/%s", path, direntp->d_name);
188 if (stat(absolute_filename, &buf) == 0 && S_ISREG(buf.st_mode))
190 if(exception_str != NULL)
192 if(strstr(direntp->d_name,exception_str) != NULL)
196 if(strstr(direntp->d_name,glob) == NULL)
199 string_list_add_item(&sdirs,direntp->d_name);
202 closedir(dirStructP);
205 sprintf(path,"%s/%s",DATA_PREFIX,rel_path);
206 if((dirStructP = opendir(path)) != NULL)
208 while((direntp = readdir(dirStructP)) != NULL)
210 char absolute_filename[1024];
213 sprintf(absolute_filename, "%s/%s", path, direntp->d_name);
215 if (stat(absolute_filename, &buf) == 0 && S_ISREG(buf.st_mode))
217 if(exception_str != NULL)
219 if(strstr(direntp->d_name,exception_str) != NULL)
223 if(strstr(direntp->d_name,glob) == NULL)
226 string_list_add_item(&sdirs,direntp->d_name);
229 closedir(dirStructP);
235 void free_strings(char **strings, int num)
238 for(i=0; i < num; ++i)
243 /* Set SuperTux configuration and save directories */
244 void st_directory_setup(void)
248 /* Get home directory (from $HOME variable)... if we can't determine it,
249 use the current directory ("."): */
250 if (getenv("HOME") != NULL)
251 home = getenv("HOME");
255 st_dir = (char *) malloc(sizeof(char) * (strlen(home) +
256 strlen("/.supertux") + 1));
257 strcpy(st_dir, home);
258 strcat(st_dir, "/.supertux");
260 /* Remove .supertux config-file from old SuperTux versions */
261 if(faccessible(st_dir))
267 st_save_dir = (char *) malloc(sizeof(char) * (strlen(st_dir) + strlen("/save") + 1));
269 strcpy(st_save_dir,st_dir);
270 strcat(st_save_dir,"/save");
272 /* Create them. In the case they exist they won't destroy anything. */
275 mkdir(st_save_dir, 0755);
277 sprintf(str, "%s/levels", st_dir);
282 sprintf(str, "%s/levels", st_dir);
288 /* Create and setup menus. */
291 menu_init(&main_menu);
292 menu_additem(&main_menu,menu_item_create(MN_LABEL,"Main Menu",0,0));
293 menu_additem(&main_menu,menu_item_create(MN_HL,"",0,0));
294 menu_additem(&main_menu,menu_item_create(MN_ACTION,"Start Game",0,0));
295 menu_additem(&main_menu,menu_item_create(MN_GOTO,"Load Game",0,&load_game_menu));
296 menu_additem(&main_menu,menu_item_create(MN_GOTO,"Options",0,&options_menu));
297 menu_additem(&main_menu,menu_item_create(MN_ACTION,"Level editor",0,0));
298 menu_additem(&main_menu,menu_item_create(MN_ACTION,"Credits",0,0));
299 menu_additem(&main_menu,menu_item_create(MN_HL,"",0,0));
300 menu_additem(&main_menu,menu_item_create(MN_ACTION,"Quit",0,0));
302 menu_init(&options_menu);
303 menu_additem(&options_menu,menu_item_create(MN_LABEL,"Options",0,0));
304 menu_additem(&options_menu,menu_item_create(MN_HL,"",0,0));
305 menu_additem(&options_menu,menu_item_create(MN_TOGGLE,"Fullscreen",use_fullscreen,0));
306 if(audio_device == YES)
308 menu_additem(&options_menu,menu_item_create(MN_TOGGLE,"Sound ",use_sound,0));
309 menu_additem(&options_menu,menu_item_create(MN_TOGGLE,"Music ",use_music,0));
313 menu_additem(&options_menu,menu_item_create(MN_DEACTIVE,"Sound ",use_sound,0));
314 menu_additem(&options_menu,menu_item_create(MN_DEACTIVE,"Music ",use_music,0));
316 menu_additem(&options_menu,menu_item_create(MN_TOGGLE,"Show FPS ",show_fps,0));
317 menu_additem(&options_menu,menu_item_create(MN_HL,"",0,0));
318 menu_additem(&options_menu,menu_item_create(MN_BACK,"Back",0,0));
320 menu_init(&load_game_menu);
321 menu_additem(&load_game_menu,menu_item_create(MN_LABEL,"Load Game",0,0));
322 menu_additem(&load_game_menu,menu_item_create(MN_HL,"",0,0));
323 menu_additem(&load_game_menu,menu_item_create(MN_DEACTIVE,"Slot 1",0,0));
324 menu_additem(&load_game_menu,menu_item_create(MN_DEACTIVE,"Slot 2",0,0));
325 menu_additem(&load_game_menu,menu_item_create(MN_DEACTIVE,"Slot 3",0,0));
326 menu_additem(&load_game_menu,menu_item_create(MN_DEACTIVE,"Slot 4",0,0));
327 menu_additem(&load_game_menu,menu_item_create(MN_DEACTIVE,"Slot 5",0,0));
328 menu_additem(&load_game_menu,menu_item_create(MN_HL,"",0,0));
329 menu_additem(&load_game_menu,menu_item_create(MN_BACK,"Back",0,0));
331 menu_init(&save_game_menu);
332 menu_additem(&save_game_menu,menu_item_create(MN_LABEL,"Save Game",0,0));
333 menu_additem(&save_game_menu,menu_item_create(MN_HL,"",0,0));
334 menu_additem(&save_game_menu,menu_item_create(MN_DEACTIVE,"Slot 1",0,0));
335 menu_additem(&save_game_menu,menu_item_create(MN_DEACTIVE,"Slot 2",0,0));
336 menu_additem(&save_game_menu,menu_item_create(MN_DEACTIVE,"Slot 3",0,0));
337 menu_additem(&save_game_menu,menu_item_create(MN_DEACTIVE,"Slot 4",0,0));
338 menu_additem(&save_game_menu,menu_item_create(MN_DEACTIVE,"Slot 5",0,0));
339 menu_additem(&save_game_menu,menu_item_create(MN_HL,"",0,0));
340 menu_additem(&save_game_menu,menu_item_create(MN_BACK,"Back",0,0));
342 menu_init(&game_menu);
343 menu_additem(&game_menu,menu_item_create(MN_LABEL,"InGame Menu",0,0));
344 menu_additem(&game_menu,menu_item_create(MN_HL,"",0,0));
345 menu_additem(&game_menu,menu_item_create(MN_ACTION,"Return To Game",0,0));
346 menu_additem(&game_menu,menu_item_create(MN_GOTO,"Save Game",0,&save_game_menu));
347 menu_additem(&game_menu,menu_item_create(MN_GOTO,"Load Game",0,&load_game_menu));
348 menu_additem(&game_menu,menu_item_create(MN_GOTO,"Options",0,&options_menu));
349 menu_additem(&game_menu,menu_item_create(MN_HL,"",0,0));
350 menu_additem(&game_menu,menu_item_create(MN_ACTION,"Quit Game",0,0));
352 menu_init(&highscore_menu);
353 menu_additem(&highscore_menu,menu_item_create(MN_TEXTFIELD,"Enter your name:",0,0));
357 void update_load_save_game_menu(menu_type* pmenu, int load)
361 for(i = 2; i < 7; ++i)
365 if(load && strlen(tmp) == strlen("Slot X - Free") )
366 pmenu->item[i].kind = MN_DEACTIVE;
368 pmenu->item[i].kind = MN_ACTION;
369 menu_item_change_text(&pmenu->item[i],tmp);
374 void process_save_load_game_menu(int save)
377 switch (slot = menu_check(save ? &save_game_menu : &load_game_menu))
388 if(game_started == NO)
390 gameloop("default",slot - 1,ST_GL_LOAD_GAME);
392 menu_set_current(&main_menu);
397 st_pause_ticks_stop();
403 /* Handle changes made to global settings in the options menu. */
404 void process_options_menu(void)
406 switch (menu_check(&options_menu))
409 if(use_fullscreen != options_menu.item[2].toggled)
411 use_fullscreen = !use_fullscreen;
416 if(use_sound != options_menu.item[3].toggled)
417 use_sound = !use_sound;
420 if(use_music != options_menu.item[4].toggled)
433 if (!playing_music())
435 play_current_music();
441 if(show_fps != options_menu.item[5].toggled)
442 show_fps = !show_fps;
447 void st_general_setup(void)
449 /* Seed random number generator: */
451 srand(SDL_GetTicks());
453 /* Set icon image: */
457 /* Unicode needed for input handling: */
459 SDL_EnableUNICODE(1);
461 /* Load global images: */
463 text_load(&black_text,DATA_PREFIX "/images/status/letters-black.png", TEXT_TEXT, 16,18);
464 text_load(&gold_text,DATA_PREFIX "/images/status/letters-gold.png", TEXT_TEXT, 16,18);
465 text_load(&blue_text,DATA_PREFIX "/images/status/letters-blue.png", TEXT_TEXT, 16,18);
466 text_load(&red_text,DATA_PREFIX "/images/status/letters-red.png", TEXT_TEXT, 16,18);
467 text_load(&white_text,DATA_PREFIX "/images/status/letters-white.png", TEXT_TEXT, 16,18);
468 text_load(&white_small_text,DATA_PREFIX "/images/status/letters-white-small.png", TEXT_TEXT, 8,9);
469 text_load(&white_big_text,DATA_PREFIX "/images/status/letters-white-big.png", TEXT_TEXT, 20,23);
470 text_load(&yellow_nums,DATA_PREFIX "/images/status/numbers.png", TEXT_NUM, 32,32);
472 /* Load GUI/menu images: */
473 texture_load(&checkbox, DATA_PREFIX "/images/status/checkbox.png", USE_ALPHA);
474 texture_load(&checkbox_checked, DATA_PREFIX "/images/status/checkbox-checked.png", USE_ALPHA);
475 texture_load(&back, DATA_PREFIX "/images/status/back.png", USE_ALPHA);
476 texture_load(&arrow_left, DATA_PREFIX "/images/icons/left.png", USE_ALPHA);
477 texture_load(&arrow_right, DATA_PREFIX "/images/icons/right.png", USE_ALPHA);
481 void st_general_free(void)
484 /* Free global images: */
486 text_free(&black_text);
487 text_free(&gold_text);
488 text_free(&white_text);
489 text_free(&blue_text);
490 text_free(&red_text);
491 text_free(&white_small_text);
492 text_free(&white_big_text);
494 /* Free GUI/menu images: */
495 texture_free(&checkbox);
496 texture_free(&checkbox_checked);
498 texture_free(&arrow_left);
499 texture_free(&arrow_right);
503 menu_free(&main_menu);
504 menu_free(&game_menu);
505 menu_free(&options_menu);
506 menu_free(&highscore_menu);
507 menu_free(&save_game_menu);
508 menu_free(&load_game_menu);
512 void st_video_setup(void)
516 SDL_FreeSurface(screen);
518 /* Init SDL Video: */
520 if (SDL_Init(SDL_INIT_VIDEO) < 0)
523 "\nError: I could not initialize video!\n"
524 "The Simple DirectMedia error that occured was:\n"
525 "%s\n\n", SDL_GetError());
534 st_video_setup_sdl();
538 /* Set window manager stuff: */
540 SDL_WM_SetCaption("Super Tux", "Super Tux");
544 void st_video_setup_sdl(void)
546 SDL_FreeSurface(screen);
548 if (use_fullscreen == YES)
550 screen = SDL_SetVideoMode(640, 480, 0, SDL_FULLSCREEN ) ; /* | SDL_HWSURFACE); */
554 "\nWarning: I could not set up fullscreen video for "
556 "The Simple DirectMedia error that occured was:\n"
557 "%s\n\n", SDL_GetError());
563 screen = SDL_SetVideoMode(640, 480, 0, SDL_HWSURFACE | SDL_DOUBLEBUF );
568 "\nError: I could not set up video for 640x480 mode.\n"
569 "The Simple DirectMedia error that occured was:\n"
570 "%s\n\n", SDL_GetError());
576 void st_video_setup_gl(void)
580 SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
581 SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 5);
582 SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
583 SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 16);
584 SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
586 if (use_fullscreen == YES)
588 screen = SDL_SetVideoMode(640, 480, 0, SDL_FULLSCREEN | SDL_OPENGL) ; /* | SDL_HWSURFACE); */
592 "\nWarning: I could not set up fullscreen video for "
594 "The Simple DirectMedia error that occured was:\n"
595 "%s\n\n", SDL_GetError());
601 screen = SDL_SetVideoMode(640, 480, 0, SDL_OPENGL);
606 "\nError: I could not set up video for 640x480 mode.\n"
607 "The Simple DirectMedia error that occured was:\n"
608 "%s\n\n", SDL_GetError());
614 * Set up OpenGL for 2D rendering.
616 glDisable(GL_DEPTH_TEST);
617 glDisable(GL_CULL_FACE);
619 glViewport(0, 0, screen->w, screen->h);
620 glMatrixMode(GL_PROJECTION);
622 glOrtho(0, screen->w, screen->h, 0, -1.0, 1.0);
624 glMatrixMode(GL_MODELVIEW);
626 glTranslatef(0.0f, 0.0f, 0.0f);
632 void st_joystick_setup(void)
640 if (SDL_Init(SDL_INIT_JOYSTICK) < 0)
642 fprintf(stderr, "Warning: I could not initialize joystick!\n"
643 "The Simple DirectMedia error that occured was:\n"
644 "%s\n\n", SDL_GetError());
652 if (SDL_NumJoysticks() <= 0)
654 fprintf(stderr, "Warning: No joysticks are available.\n");
660 js = SDL_JoystickOpen(0);
664 fprintf(stderr, "Warning: Could not open joystick 1.\n"
665 "The Simple DirectMedia error that occured was:\n"
666 "%s\n\n", SDL_GetError());
672 /* Check for proper joystick configuration: */
674 if (SDL_JoystickNumAxes(js) < 2)
677 "Warning: Joystick does not have enough axes!\n");
683 if (SDL_JoystickNumButtons(js) < 2)
687 "Joystick does not have enough buttons!\n");
699 void st_audio_setup(void)
702 /* Init SDL Audio silently even if --disable-sound : */
704 if (audio_device == YES)
706 if (SDL_Init(SDL_INIT_AUDIO) < 0)
708 /* only print out message if sound or music
709 was not disabled at command-line
711 if (use_sound == YES || use_music == YES)
714 "\nWarning: I could not initialize audio!\n"
715 "The Simple DirectMedia error that occured was:\n"
716 "%s\n\n", SDL_GetError());
718 /* keep the programming logic the same :-)
719 because in this case, use_sound & use_music' values are ignored
720 when there's no available audio device
729 /* Open sound silently regarless the value of "use_sound": */
731 if (audio_device == YES)
733 if (open_audio(44100, AUDIO_S16, 2, 2048) < 0)
735 /* only print out message if sound or music
736 was not disabled at command-line
738 if ((use_sound == YES) || (use_music == YES))
741 "\nWarning: I could not set up audio for 44100 Hz "
743 "The Simple DirectMedia error that occured was:\n"
744 "%s\n\n", SDL_GetError());
755 /* --- SHUTDOWN --- */
757 void st_shutdown(void)
766 void st_abort(const char * reason,const char * details)
768 fprintf(stderr, "\nError: %s\n%s\n\n", reason, details);
774 /* Set Icon (private) */
783 /* Load icon into a surface: */
785 icon = IMG_Load(DATA_PREFIX "/images/icon.png");
789 "\nError: I could not load the icon image: %s\n"
790 "The Simple DirectMedia error that occured was:\n"
791 "%s\n\n", DATA_PREFIX "/images/icon.png", SDL_GetError());
798 masklen = (((icon -> w) + 7) / 8) * (icon -> h);
799 mask = (Uint8*) malloc(masklen * sizeof(Uint8));
800 memset(mask, 0xFF, masklen);
805 SDL_WM_SetIcon(icon, mask);
808 /* Free icon surface & mask: */
811 SDL_FreeSurface(icon);
815 /* Parse command-line arguments: */
817 void parseargs(int argc, char * argv[])
841 /* Parse arguments: */
843 for (i = 1; i < argc; i++)
845 if (strcmp(argv[i], "--fullscreen") == 0 ||
846 strcmp(argv[i], "-f") == 0)
848 /* Use full screen: */
850 use_fullscreen = YES;
852 else if (strcmp(argv[i], "--worldmap") == 0)
854 launch_worldmap_mode = true;
856 else if (strcmp(argv[i], "--show-fps") == 0)
858 /* Use full screen: */
862 else if (strcmp(argv[i], "--opengl") == 0 ||
863 strcmp(argv[i], "-gl") == 0)
872 else if (strcmp(argv[i], "--usage") == 0)
878 else if (strcmp(argv[i], "--version") == 0)
882 printf("Super Tux - version " VERSION "\n");
885 else if (strcmp(argv[i], "--disable-sound") == 0)
887 /* Disable the compiled in sound feature */
889 printf("Sounds disabled \n");
893 printf("Warning: Sound capability has not been compiled into this build.\n");
897 else if (strcmp(argv[i], "--disable-music") == 0)
899 /* Disable the compiled in sound feature */
901 printf("Music disabled \n");
905 printf("Warning: Music feature is not compiled in \n");
909 else if (strcmp(argv[i], "--debug-mode") == 0)
911 /* Enable the debug-mode */
915 else if (strcmp(argv[i], "--help") == 0)
917 puts("Super Tux " VERSION "\n"
918 " Please see the file \"README.txt\" for more details.\n");
919 printf("Usage: %s [OPTIONS] FILENAME\n\n", argv[0]);
920 puts("Display Options:\n"
921 " --fullscreen Run in fullscreen mode.\n"
922 " --opengl If opengl support was compiled in, this will enable\n"
923 " the EXPERIMENTAL OpenGL mode.\n"
926 " --disable-sound If sound support was compiled in, this will\n"
927 " disable sound for this session of the game.\n"
928 " --disable-music Like above, but this will disable music.\n"
931 " --worldmap Start in worldmap-mode (EXPERIMENTAL)\n"
932 " --debug-mode Enables the debug-mode, which is useful for developers.\n"
933 " --help Display a help message summarizing command-line\n"
934 " options, license and game controls.\n"
935 " --usage Display a brief message summarizing command-line options.\n"
936 " --version Display the version of SuperTux you're running.\n\n"
940 else if (argv[i][0] != '-')
942 level_startup_file = argv[i];
946 /* Unknown - complain! */
956 void usage(char * prog, int ret)
961 /* Determine which stream to write to: */
969 /* Display the usage message: */
971 fprintf(fi, "Usage: %s [--fullscreen] [--opengl] [--disable-sound] [--disable-music] [--debug-mode] | [--usage | --help | --version] [--worldmap] FILENAME\n",