1 /***********************************************************
2 * Rocks'n'Diamonds -- McDuffin Strikes Back! *
3 *----------------------------------------------------------*
4 * (c) 1995-98 Artsoft Entertainment *
8 * phone: ++49 +521 290471 *
9 * email: aeglos@valinor.owl.de *
10 *----------------------------------------------------------*
12 ***********************************************************/
16 #include <sys/types.h>
22 #include <sys/param.h>
34 volatile unsigned long counter = 0;
36 void increment_counter()
41 END_OF_FUNCTION(increment_counter);
45 /* maximal allowed length of a command line option */
46 #define MAX_OPTION_LEN 256
48 #ifdef USE_SDL_LIBRARY
50 static unsigned long mainCounter(int mode)
52 static unsigned long base_ms = 0;
53 unsigned long current_ms;
54 unsigned long counter_ms;
56 current_ms = SDL_GetTicks();
58 /* reset base time in case of counter initializing or wrap-around */
59 if (mode == INIT_COUNTER || current_ms < base_ms)
62 counter_ms = current_ms - base_ms;
64 return counter_ms; /* return milliseconds since last init */
67 #else /* !USE_SDL_LIBRARY */
70 static unsigned long mainCounter(int mode)
72 static struct timeval base_time = { 0, 0 };
73 struct timeval current_time;
74 unsigned long counter_ms;
76 gettimeofday(¤t_time, NULL);
78 /* reset base time in case of counter initializing or wrap-around */
79 if (mode == INIT_COUNTER || current_time.tv_sec < base_time.tv_sec)
80 base_time = current_time;
82 counter_ms = (current_time.tv_sec - base_time.tv_sec) * 1000
83 + (current_time.tv_usec - base_time.tv_usec) / 1000;
85 return counter_ms; /* return milliseconds since last init */
89 #endif /* !USE_SDL_LIBRARY */
91 void InitCounter() /* set counter back to zero */
94 mainCounter(INIT_COUNTER);
96 LOCK_VARIABLE(counter);
97 LOCK_FUNCTION(increment_counter);
98 install_int_ex(increment_counter, BPS_TO_TIMER(100));
102 unsigned long Counter() /* get milliseconds since last call of InitCounter() */
105 return mainCounter(READ_COUNTER);
107 return (counter * 10);
111 static void sleep_milliseconds(unsigned long milliseconds_delay)
113 boolean do_busy_waiting = (milliseconds_delay < 5 ? TRUE : FALSE);
116 /* don't use select() to perform waiting operations under DOS/Windows
117 environment; always use a busy loop for waiting instead */
118 do_busy_waiting = TRUE;
123 /* we want to wait only a few ms -- if we assume that we have a
124 kernel timer resolution of 10 ms, we would wait far to long;
125 therefore it's better to do a short interval of busy waiting
126 to get our sleeping time more accurate */
128 unsigned long base_counter = Counter(), actual_counter = Counter();
130 while (actual_counter < base_counter + milliseconds_delay &&
131 actual_counter >= base_counter)
132 actual_counter = Counter();
136 #ifdef USE_SDL_LIBRARY
137 SDL_Delay(milliseconds_delay);
138 #else /* !USE_SDL_LIBRARY */
139 struct timeval delay;
141 delay.tv_sec = milliseconds_delay / 1000;
142 delay.tv_usec = 1000 * (milliseconds_delay % 1000);
144 if (select(0, NULL, NULL, NULL, &delay) != 0)
145 Error(ERR_WARN, "sleep_milliseconds(): select() failed");
146 #endif /* !USE_SDL_LIBRARY */
150 void Delay(unsigned long delay) /* Sleep specified number of milliseconds */
152 sleep_milliseconds(delay);
155 boolean FrameReached(unsigned long *frame_counter_var,
156 unsigned long frame_delay)
158 unsigned long actual_frame_counter = FrameCounter;
160 if (actual_frame_counter < *frame_counter_var+frame_delay &&
161 actual_frame_counter >= *frame_counter_var)
164 *frame_counter_var = actual_frame_counter;
168 boolean DelayReached(unsigned long *counter_var,
171 unsigned long actual_counter = Counter();
173 if (actual_counter < *counter_var + delay &&
174 actual_counter >= *counter_var)
177 *counter_var = actual_counter;
181 void WaitUntilDelayReached(unsigned long *counter_var, unsigned long delay)
183 unsigned long actual_counter;
187 actual_counter = Counter();
189 if (actual_counter < *counter_var + delay &&
190 actual_counter >= *counter_var)
191 sleep_milliseconds((*counter_var + delay - actual_counter) / 2);
196 *counter_var = actual_counter;
199 /* int2str() returns a number converted to a string;
200 the used memory is static, but will be overwritten by later calls,
201 so if you want to save the result, copy it to a private string buffer;
202 there can be 10 local calls of int2str() without buffering the result --
203 the 11th call will then destroy the result from the first call and so on.
206 char *int2str(int number, int size)
208 static char shift_array[10][40];
209 static int shift_counter = 0;
210 char *s = shift_array[shift_counter];
212 shift_counter = (shift_counter + 1) % 10;
219 sprintf(s, " %09d", number);
220 return &s[strlen(s) - size];
224 sprintf(s, "%d", number);
229 unsigned int SimpleRND(unsigned int max)
231 #ifdef USE_SDL_LIBRARY
233 static unsigned long root = 654321;
234 unsigned long current_ms;
236 current_ms = SDL_GetTicks();
237 root = root * 4253261 + current_ms;
240 #else /* !USE_SDL_LIBRARY */
242 static unsigned long root = 654321;
243 struct timeval current_time;
245 gettimeofday(¤t_time, NULL);
246 root = root * 4253261 + current_time.tv_sec + current_time.tv_usec;
249 #endif /* !USE_SDL_LIBRARY */
253 static unsigned int last_RND_value = 0;
255 unsigned int last_RND()
257 return last_RND_value;
261 unsigned int RND(unsigned int max)
264 return (last_RND_value = random_linux_libc() % max);
266 return (random_linux_libc() % max);
270 unsigned int InitRND(long seed)
272 #ifdef USE_SDL_LIBRARY
273 unsigned long current_ms;
275 if (seed == NEW_RANDOMIZE)
277 current_ms = SDL_GetTicks();
278 srandom_linux_libc((unsigned int) current_ms);
279 return (unsigned int) current_ms;
283 srandom_linux_libc((unsigned int) seed);
284 return (unsigned int) seed;
286 #else /* !USE_SDL_LIBRARY */
287 struct timeval current_time;
289 if (seed == NEW_RANDOMIZE)
291 gettimeofday(¤t_time, NULL);
292 srandom_linux_libc((unsigned int) current_time.tv_usec);
293 return (unsigned int) current_time.tv_usec;
297 srandom_linux_libc((unsigned int) seed);
298 return (unsigned int) seed;
300 #endif /* !USE_SDL_LIBRARY */
306 return ANONYMOUS_NAME;
310 if ((pwd = getpwuid(getuid())) == NULL)
311 return ANONYMOUS_NAME;
319 #if defined(MSDOS) || defined(WIN32)
320 return ANONYMOUS_NAME;
324 if ((pwd = getpwuid(getuid())) == NULL || strlen(pwd->pw_gecos) == 0)
325 return ANONYMOUS_NAME;
328 static char real_name[1024];
329 char *from_ptr = pwd->pw_gecos, *to_ptr = real_name;
331 if (strchr(pwd->pw_gecos, 'ß') == NULL)
332 return pwd->pw_gecos;
334 /* the user's real name contains a 'ß' character (german sharp s),
335 which has no equivalent in upper case letters (which our fonts use) */
336 while (*from_ptr != '\0' && (long)(to_ptr - real_name) < 1024 - 2)
338 if (*from_ptr != 'ß')
339 *to_ptr++ = *from_ptr++;
356 #if defined(MSDOS) || defined(WIN32)
359 static char *home_dir = NULL;
363 if (!(home_dir = getenv("HOME")))
367 if ((pwd = getpwuid(getuid())))
368 home_dir = pwd->pw_dir;
378 char *getPath2(char *path1, char *path2)
380 char *complete_path = checked_malloc(strlen(path1) + 1 +
383 sprintf(complete_path, "%s/%s", path1, path2);
384 return complete_path;
387 char *getPath3(char *path1, char *path2, char *path3)
389 char *complete_path = checked_malloc(strlen(path1) + 1 +
393 sprintf(complete_path, "%s/%s/%s", path1, path2, path3);
394 return complete_path;
397 char *getStringCopy(char *s)
404 s_copy = checked_malloc(strlen(s) + 1);
410 char *getStringToLower(char *s)
412 char *s_copy = checked_malloc(strlen(s) + 1);
413 char *s_ptr = s_copy;
416 *s_ptr++ = tolower(*s++);
422 void MarkTileDirty(int x, int y)
424 int xx = redraw_x1 + x;
425 int yy = redraw_y1 + y;
430 redraw[xx][yy] = TRUE;
431 redraw_mask |= REDRAW_TILES;
434 void SetBorderElement()
438 BorderElement = EL_LEERRAUM;
440 for(y=0; y<lev_fieldy && BorderElement == EL_LEERRAUM; y++)
442 for(x=0; x<lev_fieldx; x++)
444 if (!IS_MASSIVE(Feld[x][y]))
445 BorderElement = EL_BETON;
447 if (y != 0 && y != lev_fieldy - 1 && x != lev_fieldx - 1)
453 void GetOptions(char *argv[])
455 char **options_left = &argv[1];
457 /* initialize global program options */
458 options.display_name = NULL;
459 options.server_host = NULL;
460 options.server_port = 0;
461 options.ro_base_directory = RO_BASE_PATH;
462 options.rw_base_directory = RW_BASE_PATH;
463 options.level_directory = RO_BASE_PATH "/" LEVELS_DIRECTORY;
464 options.serveronly = FALSE;
465 options.network = FALSE;
466 options.verbose = FALSE;
467 options.debug = FALSE;
469 /* initialize some more global variables */
470 global.frames_per_second = 0;
471 global.fps_slowdown = FALSE;
472 global.fps_slowdown_factor = 1;
474 while (*options_left)
476 char option_str[MAX_OPTION_LEN];
477 char *option = options_left[0];
478 char *next_option = options_left[1];
479 char *option_arg = NULL;
480 int option_len = strlen(option);
482 if (option_len >= MAX_OPTION_LEN)
483 Error(ERR_EXIT_HELP, "unrecognized option '%s'", option);
485 strcpy(option_str, option); /* copy argument into buffer */
488 if (strcmp(option, "--") == 0) /* stop scanning arguments */
491 if (strncmp(option, "--", 2) == 0) /* treat '--' like '-' */
494 option_arg = strchr(option, '=');
495 if (option_arg == NULL) /* no '=' in option */
496 option_arg = next_option;
499 *option_arg++ = '\0'; /* cut argument from option */
500 if (*option_arg == '\0') /* no argument after '=' */
501 Error(ERR_EXIT_HELP, "option '%s' has invalid argument", option_str);
504 option_len = strlen(option);
506 if (strcmp(option, "-") == 0)
507 Error(ERR_EXIT_HELP, "unrecognized option '%s'", option);
508 else if (strncmp(option, "-help", option_len) == 0)
510 printf("Usage: %s [options] [server.name [port]]\n"
512 " -d, --display machine:0 X server display\n"
513 " -b, --basepath directory alternative base directory\n"
514 " -l, --level directory alternative level directory\n"
515 " -s, --serveronly only start network server\n"
516 " -n, --network network multiplayer game\n"
517 " -v, --verbose verbose mode\n",
521 else if (strncmp(option, "-display", option_len) == 0)
523 if (option_arg == NULL)
524 Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
526 options.display_name = option_arg;
527 if (option_arg == next_option)
530 else if (strncmp(option, "-basepath", option_len) == 0)
532 if (option_arg == NULL)
533 Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
535 /* this should be extended to separate options for ro and rw data */
536 options.ro_base_directory = option_arg;
537 options.rw_base_directory = option_arg;
538 if (option_arg == next_option)
541 /* adjust path for level directory accordingly */
542 options.level_directory =
543 getPath2(options.ro_base_directory, LEVELS_DIRECTORY);
545 else if (strncmp(option, "-levels", option_len) == 0)
547 if (option_arg == NULL)
548 Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
550 options.level_directory = option_arg;
551 if (option_arg == next_option)
554 else if (strncmp(option, "-network", option_len) == 0)
556 options.network = TRUE;
558 else if (strncmp(option, "-serveronly", option_len) == 0)
560 options.serveronly = TRUE;
562 else if (strncmp(option, "-verbose", option_len) == 0)
564 options.verbose = TRUE;
566 else if (strncmp(option, "-debug", option_len) == 0)
568 options.debug = TRUE;
570 else if (*option == '-')
572 Error(ERR_EXIT_HELP, "unrecognized option '%s'", option_str);
574 else if (options.server_host == NULL)
576 options.server_host = *options_left;
578 else if (options.server_port == 0)
580 options.server_port = atoi(*options_left);
581 if (options.server_port < 1024)
582 Error(ERR_EXIT_HELP, "bad port number '%d'", options.server_port);
585 Error(ERR_EXIT_HELP, "too many arguments");
591 void Error(int mode, char *format, ...)
593 char *process_name = "";
594 FILE *error = stderr;
596 /* display warnings only when running in verbose mode */
597 if (mode & ERR_WARN && !options.verbose)
600 #if defined(MSDOS) || defined(WIN32)
601 if ((error = openErrorFile()) == NULL)
603 printf("Cannot write to error output file!\n");
608 if (mode & ERR_SOUND_SERVER)
609 process_name = " sound server";
610 else if (mode & ERR_NETWORK_SERVER)
611 process_name = " network server";
612 else if (mode & ERR_NETWORK_CLIENT)
613 process_name = " network client **";
619 fprintf(error, "%s%s: ", program_name, process_name);
622 fprintf(error, "warning: ");
624 va_start(ap, format);
625 vfprintf(error, format, ap);
628 fprintf(error, "\n");
632 fprintf(error, "%s: Try option '--help' for more information.\n",
636 fprintf(error, "%s%s: aborting\n", program_name, process_name);
643 if (mode & ERR_FROM_SERVER)
644 exit(1); /* child process: normal exit */
646 CloseAllAndExit(1); /* main process: clean up stuff */
650 void *checked_malloc(unsigned long size)
657 Error(ERR_EXIT, "cannot allocate %d bytes -- out of memory", size);
662 void *checked_calloc(unsigned long size)
666 ptr = calloc(1, size);
669 Error(ERR_EXIT, "cannot allocate %d bytes -- out of memory", size);
674 short getFile16BitInteger(FILE *file, int byte_order)
676 if (byte_order == BYTE_ORDER_BIG_ENDIAN)
677 return ((fgetc(file) << 8) |
679 else /* BYTE_ORDER_LITTLE_ENDIAN */
680 return ((fgetc(file) << 0) |
684 void putFile16BitInteger(FILE *file, short value, int byte_order)
686 if (byte_order == BYTE_ORDER_BIG_ENDIAN)
688 fputc((value >> 8) & 0xff, file);
689 fputc((value >> 0) & 0xff, file);
691 else /* BYTE_ORDER_LITTLE_ENDIAN */
693 fputc((value >> 0) & 0xff, file);
694 fputc((value >> 8) & 0xff, file);
698 int getFile32BitInteger(FILE *file, int byte_order)
700 if (byte_order == BYTE_ORDER_BIG_ENDIAN)
701 return ((fgetc(file) << 24) |
702 (fgetc(file) << 16) |
705 else /* BYTE_ORDER_LITTLE_ENDIAN */
706 return ((fgetc(file) << 0) |
708 (fgetc(file) << 16) |
709 (fgetc(file) << 24));
712 void putFile32BitInteger(FILE *file, int value, int byte_order)
714 if (byte_order == BYTE_ORDER_BIG_ENDIAN)
716 fputc((value >> 24) & 0xff, file);
717 fputc((value >> 16) & 0xff, file);
718 fputc((value >> 8) & 0xff, file);
719 fputc((value >> 0) & 0xff, file);
721 else /* BYTE_ORDER_LITTLE_ENDIAN */
723 fputc((value >> 0) & 0xff, file);
724 fputc((value >> 8) & 0xff, file);
725 fputc((value >> 16) & 0xff, file);
726 fputc((value >> 24) & 0xff, file);
730 void getFileChunk(FILE *file, char *chunk_buffer, int *chunk_length,
733 const int chunk_identifier_length = 4;
735 /* read chunk identifier */
736 fgets(chunk_buffer, chunk_identifier_length + 1, file);
738 /* read chunk length */
739 *chunk_length = getFile32BitInteger(file, byte_order);
742 void putFileChunk(FILE *file, char *chunk_name, int chunk_length,
745 /* write chunk identifier */
746 fputs(chunk_name, file);
748 /* write chunk length */
749 putFile32BitInteger(file, chunk_length, byte_order);
752 #define TRANSLATE_KEY_TO_KEYNAME 0
753 #define TRANSLATE_KEY_TO_X11KEYNAME 1
754 #define TRANSLATE_X11KEYNAME_TO_KEY 2
756 void translate_keyname(Key *keysym, char **x11name, char **name, int mode)
765 /* normal cursor keys */
766 { KEY_Left, "XK_Left", "cursor left" },
767 { KEY_Right, "XK_Right", "cursor right" },
768 { KEY_Up, "XK_Up", "cursor up" },
769 { KEY_Down, "XK_Down", "cursor down" },
771 /* keypad cursor keys */
773 { KEY_KP_Left, "XK_KP_Left", "keypad left" },
774 { KEY_KP_Right, "XK_KP_Right", "keypad right" },
775 { KEY_KP_Up, "XK_KP_Up", "keypad up" },
776 { KEY_KP_Down, "XK_KP_Down", "keypad down" },
779 /* other keypad keys */
781 { KEY_KP_Enter, "XK_KP_Enter", "keypad enter" },
782 { KEY_KP_Add, "XK_KP_Add", "keypad +" },
783 { KEY_KP_Subtract, "XK_KP_Subtract", "keypad -" },
784 { KEY_KP_Multiply, "XK_KP_Multiply", "keypad mltply" },
785 { KEY_KP_Divide, "XK_KP_Divide", "keypad /" },
786 { KEY_KP_Separator, "XK_KP_Separator", "keypad ," },
790 { KEY_Shift_L, "XK_Shift_L", "left shift" },
791 { KEY_Shift_R, "XK_Shift_R", "right shift" },
792 { KEY_Control_L, "XK_Control_L", "left control" },
793 { KEY_Control_R, "XK_Control_R", "right control" },
794 { KEY_Meta_L, "XK_Meta_L", "left meta" },
795 { KEY_Meta_R, "XK_Meta_R", "right meta" },
796 { KEY_Alt_L, "XK_Alt_L", "left alt" },
797 { KEY_Alt_R, "XK_Alt_R", "right alt" },
798 { KEY_Super_L, "XK_Super_L", "left super" }, /* Win-L */
799 { KEY_Super_R, "XK_Super_R", "right super" }, /* Win-R */
800 { KEY_Mode_switch, "XK_Mode_switch", "mode switch" }, /* Alt-R */
801 { KEY_Multi_key, "XK_Multi_key", "multi key" }, /* Ctrl-R */
803 /* some special keys */
804 { KEY_BackSpace, "XK_BackSpace", "backspace" },
805 { KEY_Delete, "XK_Delete", "delete" },
806 { KEY_Insert, "XK_Insert", "insert" },
807 { KEY_Tab, "XK_Tab", "tab" },
808 { KEY_Home, "XK_Home", "home" },
809 { KEY_End, "XK_End", "end" },
810 { KEY_Page_Up, "XK_Page_Up", "page up" },
811 { KEY_Page_Down, "XK_Page_Down", "page down" },
812 { KEY_Menu, "XK_Menu", "menu" }, /* Win-Menu */
814 /* ASCII 0x20 to 0x40 keys (except numbers) */
815 { KEY_space, "XK_space", "space" },
816 { KEY_exclam, "XK_exclam", "!" },
817 { KEY_quotedbl, "XK_quotedbl", "\"" },
818 { KEY_numbersign, "XK_numbersign", "#" },
819 { KEY_dollar, "XK_dollar", "$" },
820 { KEY_percent, "XK_percent", "%" },
821 { KEY_ampersand, "XK_ampersand", "&" },
822 { KEY_apostrophe, "XK_apostrophe", "'" },
823 { KEY_parenleft, "XK_parenleft", "(" },
824 { KEY_parenright, "XK_parenright", ")" },
825 { KEY_asterisk, "XK_asterisk", "*" },
826 { KEY_plus, "XK_plus", "+" },
827 { KEY_comma, "XK_comma", "," },
828 { KEY_minus, "XK_minus", "-" },
829 { KEY_period, "XK_period", "." },
830 { KEY_slash, "XK_slash", "/" },
831 { KEY_colon, "XK_colon", ":" },
832 { KEY_semicolon, "XK_semicolon", ";" },
833 { KEY_less, "XK_less", "<" },
834 { KEY_equal, "XK_equal", "=" },
835 { KEY_greater, "XK_greater", ">" },
836 { KEY_question, "XK_question", "?" },
837 { KEY_at, "XK_at", "@" },
839 /* more ASCII keys */
840 { KEY_bracketleft, "XK_bracketleft", "[" },
841 { KEY_backslash, "XK_backslash", "backslash" },
842 { KEY_bracketright, "XK_bracketright", "]" },
843 { KEY_asciicircum, "XK_asciicircum", "circumflex" },
844 { KEY_underscore, "XK_underscore", "_" },
845 { KEY_grave, "XK_grave", "grave" },
846 { KEY_quoteleft, "XK_quoteleft", "quote left" },
847 { KEY_braceleft, "XK_braceleft", "brace left" },
848 { KEY_bar, "XK_bar", "bar" },
849 { KEY_braceright, "XK_braceright", "brace right" },
850 { KEY_asciitilde, "XK_asciitilde", "ascii tilde" },
852 /* special (non-ASCII) keys */
853 { KEY_Adiaeresis, "XK_Adiaeresis", "Ä" },
854 { KEY_Odiaeresis, "XK_Odiaeresis", "Ö" },
855 { KEY_Udiaeresis, "XK_Udiaeresis", "Ü" },
856 { KEY_adiaeresis, "XK_adiaeresis", "ä" },
857 { KEY_odiaeresis, "XK_odiaeresis", "ö" },
858 { KEY_udiaeresis, "XK_udiaeresis", "ü" },
859 { KEY_ssharp, "XK_ssharp", "sharp s" },
861 /* end-of-array identifier */
867 if (mode == TRANSLATE_KEY_TO_KEYNAME)
869 static char name_buffer[30];
872 if (key >= KEY_A && key <= KEY_Z)
873 sprintf(name_buffer, "%c", 'A' + (char)(key - KEY_A));
874 else if (key >= KEY_a && key <= KEY_z)
875 sprintf(name_buffer, "%c", 'a' + (char)(key - KEY_a));
876 else if (key >= KEY_0 && key <= KEY_9)
877 sprintf(name_buffer, "%c", '0' + (char)(key - KEY_0));
878 else if (key >= KEY_KP_0 && key <= KEY_KP_9)
879 sprintf(name_buffer, "keypad %c", '0' + (char)(key - KEY_KP_0));
880 else if (key >= KEY_F1 && key <= KEY_F24)
881 sprintf(name_buffer, "function F%d", (int)(key - KEY_F1 + 1));
882 else if (key == KEY_UNDEFINED)
883 strcpy(name_buffer, "(undefined)");
890 if (key == translate_key[i].key)
892 strcpy(name_buffer, translate_key[i].name);
896 while (translate_key[++i].name);
898 if (!translate_key[i].name)
899 strcpy(name_buffer, "(unknown)");
904 else if (mode == TRANSLATE_KEY_TO_X11KEYNAME)
906 static char name_buffer[30];
909 if (key >= KEY_A && key <= KEY_Z)
910 sprintf(name_buffer, "XK_%c", 'A' + (char)(key - KEY_A));
911 else if (key >= KEY_a && key <= KEY_z)
912 sprintf(name_buffer, "XK_%c", 'a' + (char)(key - KEY_a));
913 else if (key >= KEY_0 && key <= KEY_9)
914 sprintf(name_buffer, "XK_%c", '0' + (char)(key - KEY_0));
915 else if (key >= KEY_KP_0 && key <= KEY_KP_9)
916 sprintf(name_buffer, "XK_KP_%c", '0' + (char)(key - KEY_KP_0));
917 else if (key >= KEY_F1 && key <= KEY_F24)
918 sprintf(name_buffer, "XK_F%d", (int)(key - KEY_F1 + 1));
919 else if (key == KEY_UNDEFINED)
920 strcpy(name_buffer, "[undefined]");
927 if (key == translate_key[i].key)
929 strcpy(name_buffer, translate_key[i].x11name);
933 while (translate_key[++i].x11name);
935 if (!translate_key[i].x11name)
936 sprintf(name_buffer, "0x%04lx", (unsigned long)key);
939 *x11name = name_buffer;
941 else if (mode == TRANSLATE_X11KEYNAME_TO_KEY)
943 Key key = KEY_UNDEFINED;
944 char *name_ptr = *x11name;
946 if (strncmp(name_ptr, "XK_", 3) == 0 && strlen(name_ptr) == 4)
948 char c = name_ptr[3];
950 if (c >= 'A' && c <= 'Z')
951 key = KEY_A + (Key)(c - 'A');
952 else if (c >= 'a' && c <= 'z')
953 key = KEY_a + (Key)(c - 'a');
954 else if (c >= '0' && c <= '9')
955 key = KEY_0 + (Key)(c - '0');
957 else if (strncmp(name_ptr, "XK_KP_", 6) == 0 && strlen(name_ptr) == 7)
959 char c = name_ptr[6];
961 if (c >= '0' && c <= '9')
962 key = KEY_0 + (Key)(c - '0');
964 else if (strncmp(name_ptr, "XK_F", 4) == 0 && strlen(name_ptr) <= 6)
966 char c1 = name_ptr[4];
967 char c2 = name_ptr[5];
970 if ((c1 >= '0' && c1 <= '9') &&
971 ((c2 >= '0' && c1 <= '9') || c2 == '\0'))
972 d = atoi(&name_ptr[4]);
974 if (d >=1 && d <= 24)
975 key = KEY_F1 + (Key)(d - 1);
977 else if (strncmp(name_ptr, "XK_", 3) == 0)
983 if (strcmp(name_ptr, translate_key[i].x11name) == 0)
985 key = translate_key[i].key;
989 while (translate_key[++i].x11name);
991 else if (strncmp(name_ptr, "0x", 2) == 0)
993 unsigned long value = 0;
999 char c = *name_ptr++;
1002 if (c >= '0' && c <= '9')
1004 else if (c >= 'a' && c <= 'f')
1005 d = (int)(c - 'a' + 10);
1006 else if (c >= 'A' && c <= 'F')
1007 d = (int)(c - 'A' + 10);
1015 value = value * 16 + d;
1026 char *getKeyNameFromKey(Key key)
1030 translate_keyname(&key, NULL, &name, TRANSLATE_KEY_TO_KEYNAME);
1034 char *getX11KeyNameFromKey(Key key)
1038 translate_keyname(&key, &x11name, NULL, TRANSLATE_KEY_TO_X11KEYNAME);
1042 Key getKeyFromX11KeyName(char *x11name)
1046 translate_keyname(&key, &x11name, NULL, TRANSLATE_X11KEYNAME_TO_KEY);
1050 char getCharFromKey(Key key)
1052 char *keyname = getKeyNameFromKey(key);
1055 if (strlen(keyname) == 1)
1056 letter = keyname[0];
1057 else if (strcmp(keyname, "space") == 0)
1059 else if (strcmp(keyname, "circumflex") == 0)
1065 #define TRANSLATE_JOYSYMBOL_TO_JOYNAME 0
1066 #define TRANSLATE_JOYNAME_TO_JOYSYMBOL 1
1068 void translate_joyname(int *joysymbol, char **name, int mode)
1076 { JOY_LEFT, "joystick_left" },
1077 { JOY_RIGHT, "joystick_right" },
1078 { JOY_UP, "joystick_up" },
1079 { JOY_DOWN, "joystick_down" },
1080 { JOY_BUTTON_1, "joystick_button_1" },
1081 { JOY_BUTTON_2, "joystick_button_2" },
1086 if (mode == TRANSLATE_JOYSYMBOL_TO_JOYNAME)
1088 *name = "[undefined]";
1092 if (*joysymbol == translate_joy[i].joysymbol)
1094 *name = translate_joy[i].name;
1099 else if (mode == TRANSLATE_JOYNAME_TO_JOYSYMBOL)
1105 if (strcmp(*name, translate_joy[i].name) == 0)
1107 *joysymbol = translate_joy[i].joysymbol;
1114 char *getJoyNameFromJoySymbol(int joysymbol)
1118 translate_joyname(&joysymbol, &name, TRANSLATE_JOYSYMBOL_TO_JOYNAME);
1122 int getJoySymbolFromJoyName(char *name)
1126 translate_joyname(&joysymbol, &name, TRANSLATE_JOYNAME_TO_JOYSYMBOL);
1130 int getJoystickNrFromDeviceName(char *device_name)
1133 int joystick_nr = 0;
1135 if (device_name == NULL || device_name[0] == '\0')
1138 c = device_name[strlen(device_name) - 1];
1140 if (c >= '0' && c <= '9')
1141 joystick_nr = (int)(c - '0');
1143 if (joystick_nr < 0 || joystick_nr >= MAX_PLAYERS)
1149 /* ------------------------------------------------------------------------- */
1150 /* some functions to handle lists of level directories */
1151 /* ------------------------------------------------------------------------- */
1153 struct LevelDirInfo *newLevelDirInfo()
1155 return checked_calloc(sizeof(struct LevelDirInfo));
1158 void pushLevelDirInfo(struct LevelDirInfo **node_first,
1159 struct LevelDirInfo *node_new)
1161 node_new->next = *node_first;
1162 *node_first = node_new;
1165 int numLevelDirInfo(struct LevelDirInfo *node)
1178 boolean validLevelSeries(struct LevelDirInfo *node)
1180 return (node != NULL && !node->node_group && !node->parent_link);
1183 struct LevelDirInfo *getFirstValidLevelSeries(struct LevelDirInfo *node)
1185 if (node == NULL) /* start with first level directory entry */
1186 return getFirstValidLevelSeries(leveldir_first);
1187 else if (node->node_group) /* enter level group (step down into tree) */
1188 return getFirstValidLevelSeries(node->node_group);
1189 else if (node->parent_link) /* skip start entry of level group */
1191 if (node->next) /* get first real level series entry */
1192 return getFirstValidLevelSeries(node->next);
1193 else /* leave empty level group and go on */
1194 return getFirstValidLevelSeries(node->node_parent->next);
1196 else /* this seems to be a regular level series */
1200 struct LevelDirInfo *getLevelDirInfoFirstGroupEntry(struct LevelDirInfo *node)
1205 if (node->node_parent == NULL) /* top level group */
1206 return leveldir_first;
1207 else /* sub level group */
1208 return node->node_parent->node_group;
1211 int numLevelDirInfoInGroup(struct LevelDirInfo *node)
1213 return numLevelDirInfo(getLevelDirInfoFirstGroupEntry(node));
1216 int posLevelDirInfo(struct LevelDirInfo *node)
1218 struct LevelDirInfo *node_cmp = getLevelDirInfoFirstGroupEntry(node);
1223 if (node_cmp == node)
1227 node_cmp = node_cmp->next;
1233 struct LevelDirInfo *getLevelDirInfoFromPos(struct LevelDirInfo *node, int pos)
1235 struct LevelDirInfo *node_default = node;
1247 return node_default;
1250 struct LevelDirInfo *getLevelDirInfoFromFilenameExt(struct LevelDirInfo *node,
1253 if (filename == NULL)
1258 if (node->node_group)
1260 struct LevelDirInfo *node_group;
1262 node_group = getLevelDirInfoFromFilenameExt(node->node_group, filename);
1267 else if (!node->parent_link)
1269 if (strcmp(filename, node->filename) == 0)
1279 struct LevelDirInfo *getLevelDirInfoFromFilename(char *filename)
1281 return getLevelDirInfoFromFilenameExt(leveldir_first, filename);
1284 void dumpLevelDirInfo(struct LevelDirInfo *node, int depth)
1290 for (i=0; i<depth * 3; i++)
1293 printf("filename == '%s'\n", node->filename);
1295 if (node->node_group != NULL)
1296 dumpLevelDirInfo(node->node_group, depth + 1);
1302 void sortLevelDirInfo(struct LevelDirInfo **node_first,
1303 int (*compare_function)(const void *, const void *))
1305 int num_nodes = numLevelDirInfo(*node_first);
1306 struct LevelDirInfo **sort_array;
1307 struct LevelDirInfo *node = *node_first;
1313 /* allocate array for sorting structure pointers */
1314 sort_array = checked_calloc(num_nodes * sizeof(struct LevelDirInfo *));
1316 /* writing structure pointers to sorting array */
1317 while (i < num_nodes && node) /* double boundary check... */
1319 sort_array[i] = node;
1325 /* sorting the structure pointers in the sorting array */
1326 qsort(sort_array, num_nodes, sizeof(struct LevelDirInfo *),
1329 /* update the linkage of list elements with the sorted node array */
1330 for (i=0; i<num_nodes - 1; i++)
1331 sort_array[i]->next = sort_array[i + 1];
1332 sort_array[num_nodes - 1]->next = NULL;
1334 /* update the linkage of the main list anchor pointer */
1335 *node_first = sort_array[0];
1339 /* now recursively sort the level group structures */
1343 if (node->node_group != NULL)
1344 sortLevelDirInfo(&node->node_group, compare_function);
1350 inline void swap_numbers(int *i1, int *i2)
1358 inline void swap_number_pairs(int *x1, int *y1, int *x2, int *y2)
1371 /* ------------------------------------------------------------------------- */
1372 /* the following is only for debugging purpose and normally not used */
1373 /* ------------------------------------------------------------------------- */
1375 #define DEBUG_NUM_TIMESTAMPS 3
1377 void debug_print_timestamp(int counter_nr, char *message)
1379 static long counter[DEBUG_NUM_TIMESTAMPS][2];
1381 if (counter_nr >= DEBUG_NUM_TIMESTAMPS)
1382 Error(ERR_EXIT, "debugging: increase DEBUG_NUM_TIMESTAMPS in misc.c");
1384 counter[counter_nr][0] = Counter();
1387 printf("%s %.2f seconds\n", message,
1388 (float)(counter[counter_nr][0] - counter[counter_nr][1]) / 1000);
1390 counter[counter_nr][1] = Counter();