1 /***********************************************************
2 * Artsoft Retro-Game Library *
3 *----------------------------------------------------------*
4 * (c) 1994-2002 Artsoft Entertainment *
6 * Detmolder Strasse 189 *
9 * e-mail: info@artsoft.org *
10 *----------------------------------------------------------*
12 ***********************************************************/
16 #include <sys/types.h>
24 #if !defined(PLATFORM_WIN32)
26 #include <sys/param.h>
35 #if defined(PLATFORM_MSDOS)
36 volatile unsigned long counter = 0;
38 void increment_counter()
43 END_OF_FUNCTION(increment_counter);
47 /* maximal allowed length of a command line option */
48 #define MAX_OPTION_LEN 256
51 static unsigned long mainCounter(int mode)
53 static unsigned long base_ms = 0;
54 unsigned long current_ms;
55 unsigned long counter_ms;
57 current_ms = SDL_GetTicks();
59 /* reset base time in case of counter initializing or wrap-around */
60 if (mode == INIT_COUNTER || current_ms < base_ms)
63 counter_ms = current_ms - base_ms;
65 return counter_ms; /* return milliseconds since last init */
68 #else /* !TARGET_SDL */
70 #if defined(PLATFORM_UNIX)
71 static unsigned long mainCounter(int mode)
73 static struct timeval base_time = { 0, 0 };
74 struct timeval current_time;
75 unsigned long counter_ms;
77 gettimeofday(¤t_time, NULL);
79 /* reset base time in case of counter initializing or wrap-around */
80 if (mode == INIT_COUNTER || current_time.tv_sec < base_time.tv_sec)
81 base_time = current_time;
83 counter_ms = (current_time.tv_sec - base_time.tv_sec) * 1000
84 + (current_time.tv_usec - base_time.tv_usec) / 1000;
86 return counter_ms; /* return milliseconds since last init */
88 #endif /* PLATFORM_UNIX */
89 #endif /* !TARGET_SDL */
91 void InitCounter() /* set counter back to zero */
93 #if !defined(PLATFORM_MSDOS)
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() */
104 #if !defined(PLATFORM_MSDOS)
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 #if defined(PLATFORM_MSDOS)
117 /* don't use select() to perform waiting operations under DOS
118 environment; always use a busy loop for waiting instead */
119 do_busy_waiting = TRUE;
125 /* we want to wait only a few ms -- if we assume that we have a
126 kernel timer resolution of 10 ms, we would wait far to long;
127 therefore it's better to do a short interval of busy waiting
128 to get our sleeping time more accurate */
130 unsigned long base_counter = Counter(), actual_counter = Counter();
132 while (actual_counter < base_counter + milliseconds_delay &&
133 actual_counter >= base_counter)
134 actual_counter = Counter();
138 #if defined(TARGET_SDL)
139 SDL_Delay(milliseconds_delay);
140 #elif defined(TARGET_ALLEGRO)
141 rest(milliseconds_delay);
143 struct timeval delay;
145 delay.tv_sec = milliseconds_delay / 1000;
146 delay.tv_usec = 1000 * (milliseconds_delay % 1000);
148 if (select(0, NULL, NULL, NULL, &delay) != 0)
149 Error(ERR_WARN, "sleep_milliseconds(): select() failed");
154 void Delay(unsigned long delay) /* Sleep specified number of milliseconds */
156 sleep_milliseconds(delay);
159 boolean FrameReached(unsigned long *frame_counter_var,
160 unsigned long frame_delay)
162 unsigned long actual_frame_counter = FrameCounter;
164 if (actual_frame_counter < *frame_counter_var + frame_delay &&
165 actual_frame_counter >= *frame_counter_var)
168 *frame_counter_var = actual_frame_counter;
173 boolean DelayReached(unsigned long *counter_var,
176 unsigned long actual_counter = Counter();
178 if (actual_counter < *counter_var + delay &&
179 actual_counter >= *counter_var)
182 *counter_var = actual_counter;
187 void WaitUntilDelayReached(unsigned long *counter_var, unsigned long delay)
189 unsigned long actual_counter;
193 actual_counter = Counter();
195 if (actual_counter < *counter_var + delay &&
196 actual_counter >= *counter_var)
197 sleep_milliseconds((*counter_var + delay - actual_counter) / 2);
202 *counter_var = actual_counter;
205 /* int2str() returns a number converted to a string;
206 the used memory is static, but will be overwritten by later calls,
207 so if you want to save the result, copy it to a private string buffer;
208 there can be 10 local calls of int2str() without buffering the result --
209 the 11th call will then destroy the result from the first call and so on.
212 char *int2str(int number, int size)
214 static char shift_array[10][40];
215 static int shift_counter = 0;
216 char *s = shift_array[shift_counter];
218 shift_counter = (shift_counter + 1) % 10;
225 sprintf(s, " %09d", number);
226 return &s[strlen(s) - size];
230 sprintf(s, "%d", number);
235 unsigned int SimpleRND(unsigned int max)
237 #if defined(TARGET_SDL)
238 static unsigned long root = 654321;
239 unsigned long current_ms;
241 current_ms = SDL_GetTicks();
242 root = root * 4253261 + current_ms;
245 static unsigned long root = 654321;
246 struct timeval current_time;
248 gettimeofday(¤t_time, NULL);
249 root = root * 4253261 + current_time.tv_sec + current_time.tv_usec;
255 static unsigned int last_RND_value = 0;
257 unsigned int last_RND()
259 return last_RND_value;
263 unsigned int RND(unsigned int max)
266 return (last_RND_value = random_linux_libc() % max);
268 return (random_linux_libc() % max);
272 unsigned int InitRND(long seed)
274 #if defined(TARGET_SDL)
275 unsigned long current_ms;
277 if (seed == NEW_RANDOMIZE)
279 current_ms = SDL_GetTicks();
280 srandom_linux_libc((unsigned int) current_ms);
281 return (unsigned int) current_ms;
285 srandom_linux_libc((unsigned int) seed);
286 return (unsigned int) seed;
289 struct timeval current_time;
291 if (seed == NEW_RANDOMIZE)
293 gettimeofday(¤t_time, NULL);
294 srandom_linux_libc((unsigned int) current_time.tv_usec);
295 return (unsigned int) current_time.tv_usec;
299 srandom_linux_libc((unsigned int) seed);
300 return (unsigned int) seed;
307 #if defined(PLATFORM_WIN32)
308 return ANONYMOUS_NAME;
310 static char *login_name = NULL;
312 if (login_name == NULL)
316 if ((pwd = getpwuid(getuid())) == NULL)
317 login_name = ANONYMOUS_NAME;
319 login_name = getStringCopy(pwd->pw_name);
328 #if defined(PLATFORM_UNIX)
331 if ((pwd = getpwuid(getuid())) == NULL || strlen(pwd->pw_gecos) == 0)
332 return ANONYMOUS_NAME;
335 static char real_name[1024];
336 char *from_ptr = pwd->pw_gecos, *to_ptr = real_name;
338 if (strchr(pwd->pw_gecos, 'ß') == NULL)
339 return pwd->pw_gecos;
341 /* the user's real name contains a 'ß' character (german sharp s),
342 which has no equivalent in upper case letters (which our fonts use) */
343 while (*from_ptr != '\0' && (long)(to_ptr - real_name) < 1024 - 2)
345 if (*from_ptr != 'ß')
346 *to_ptr++ = *from_ptr++;
358 #else /* !PLATFORM_UNIX */
359 return ANONYMOUS_NAME;
365 #if defined(PLATFORM_UNIX)
366 static char *home_dir = NULL;
368 if (home_dir == NULL)
370 if ((home_dir = getenv("HOME")) == NULL)
374 if ((pwd = getpwuid(getuid())) == NULL)
377 home_dir = getStringCopy(pwd->pw_dir);
387 char *getPath2(char *path1, char *path2)
389 char *complete_path = checked_malloc(strlen(path1) + 1 +
392 sprintf(complete_path, "%s/%s", path1, path2);
393 return complete_path;
396 char *getPath3(char *path1, char *path2, char *path3)
398 char *complete_path = checked_malloc(strlen(path1) + 1 +
402 sprintf(complete_path, "%s/%s/%s", path1, path2, path3);
403 return complete_path;
406 static char *getStringCat2(char *s1, char *s2)
408 char *complete_string = checked_malloc(strlen(s1) + strlen(s2) + 1);
410 sprintf(complete_string, "%s%s", s1, s2);
411 return complete_string;
414 char *getStringCopy(char *s)
421 s_copy = checked_malloc(strlen(s) + 1);
427 char *getStringToLower(char *s)
429 char *s_copy = checked_malloc(strlen(s) + 1);
430 char *s_ptr = s_copy;
433 *s_ptr++ = tolower(*s++);
439 void GetOptions(char *argv[])
441 char **options_left = &argv[1];
443 /* initialize global program options */
444 options.display_name = NULL;
445 options.server_host = NULL;
446 options.server_port = 0;
447 options.ro_base_directory = RO_BASE_PATH;
448 options.rw_base_directory = RW_BASE_PATH;
449 options.level_directory = RO_BASE_PATH "/" LEVELS_DIRECTORY;
450 options.graphics_directory = RO_BASE_PATH "/" GRAPHICS_DIRECTORY;
451 options.sounds_directory = RO_BASE_PATH "/" SOUNDS_DIRECTORY;
452 options.music_directory = RO_BASE_PATH "/" MUSIC_DIRECTORY;
453 options.serveronly = FALSE;
454 options.network = FALSE;
455 options.verbose = FALSE;
456 options.debug = FALSE;
457 options.debug_command = NULL;
459 while (*options_left)
461 char option_str[MAX_OPTION_LEN];
462 char *option = options_left[0];
463 char *next_option = options_left[1];
464 char *option_arg = NULL;
465 int option_len = strlen(option);
467 if (option_len >= MAX_OPTION_LEN)
468 Error(ERR_EXIT_HELP, "unrecognized option '%s'", option);
470 strcpy(option_str, option); /* copy argument into buffer */
473 if (strcmp(option, "--") == 0) /* stop scanning arguments */
476 if (strncmp(option, "--", 2) == 0) /* treat '--' like '-' */
479 option_arg = strchr(option, '=');
480 if (option_arg == NULL) /* no '=' in option */
481 option_arg = next_option;
484 *option_arg++ = '\0'; /* cut argument from option */
485 if (*option_arg == '\0') /* no argument after '=' */
486 Error(ERR_EXIT_HELP, "option '%s' has invalid argument", option_str);
489 option_len = strlen(option);
491 if (strcmp(option, "-") == 0)
492 Error(ERR_EXIT_HELP, "unrecognized option '%s'", option);
493 else if (strncmp(option, "-help", option_len) == 0)
495 printf("Usage: %s [options] [<server host> [<server port>]]\n"
497 " -d, --display <host>[:<scr>] X server display\n"
498 " -b, --basepath <directory> alternative base directory\n"
499 " -l, --level <directory> alternative level directory\n"
500 " -g, --graphics <directory> alternative graphics directory\n"
501 " -s, --sounds <directory> alternative sounds directory\n"
502 " -m, --music <directory> alternative music directory\n"
503 " -n, --network network multiplayer game\n"
504 " --serveronly only start network server\n"
505 " -v, --verbose verbose mode\n"
506 " --debug display debugging information\n",
507 program.command_basename);
510 printf(" --debug-command <command> execute special command\n");
514 else if (strncmp(option, "-display", option_len) == 0)
516 if (option_arg == NULL)
517 Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
519 options.display_name = option_arg;
520 if (option_arg == next_option)
523 else if (strncmp(option, "-basepath", option_len) == 0)
525 if (option_arg == NULL)
526 Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
528 /* this should be extended to separate options for ro and rw data */
529 options.ro_base_directory = option_arg;
530 options.rw_base_directory = option_arg;
531 if (option_arg == next_option)
534 /* adjust path for level directory accordingly */
535 options.level_directory =
536 getPath2(options.ro_base_directory, LEVELS_DIRECTORY);
538 else if (strncmp(option, "-levels", option_len) == 0)
540 if (option_arg == NULL)
541 Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
543 options.level_directory = option_arg;
544 if (option_arg == next_option)
547 else if (strncmp(option, "-graphics", option_len) == 0)
549 if (option_arg == NULL)
550 Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
552 options.graphics_directory = option_arg;
553 if (option_arg == next_option)
556 else if (strncmp(option, "-sounds", option_len) == 0)
558 if (option_arg == NULL)
559 Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
561 options.sounds_directory = option_arg;
562 if (option_arg == next_option)
565 else if (strncmp(option, "-music", option_len) == 0)
567 if (option_arg == NULL)
568 Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
570 options.music_directory = option_arg;
571 if (option_arg == next_option)
574 else if (strncmp(option, "-network", option_len) == 0)
576 options.network = TRUE;
578 else if (strncmp(option, "-serveronly", option_len) == 0)
580 options.serveronly = TRUE;
582 else if (strncmp(option, "-verbose", option_len) == 0)
584 options.verbose = TRUE;
586 else if (strncmp(option, "-debug", option_len) == 0)
588 options.debug = TRUE;
590 else if (strncmp(option, "-debug-command", option_len) == 0)
592 if (option_arg == NULL)
593 Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str);
595 options.debug_command = option_arg;
596 if (option_arg == next_option)
599 else if (*option == '-')
601 Error(ERR_EXIT_HELP, "unrecognized option '%s'", option_str);
603 else if (options.server_host == NULL)
605 options.server_host = *options_left;
607 else if (options.server_port == 0)
609 options.server_port = atoi(*options_left);
610 if (options.server_port < 1024)
611 Error(ERR_EXIT_HELP, "bad port number '%d'", options.server_port);
614 Error(ERR_EXIT_HELP, "too many arguments");
620 /* used by SetError() and GetError() to store internal error messages */
621 static char internal_error[1024]; /* this is bad */
623 void SetError(char *format, ...)
627 va_start(ap, format);
628 vsprintf(internal_error, format, ap);
634 return internal_error;
637 void Error(int mode, char *format, ...)
639 char *process_name = "";
640 FILE *error = stderr;
641 char *newline = "\n";
643 /* display warnings only when running in verbose mode */
644 if (mode & ERR_WARN && !options.verbose)
647 #if defined(PLATFORM_MSDOS)
650 if ((error = openErrorFile()) == NULL)
652 printf("Cannot write to error output file!%s", newline);
653 program.exit_function(1);
657 if (mode & ERR_SOUND_SERVER)
658 process_name = " sound server";
659 else if (mode & ERR_NETWORK_SERVER)
660 process_name = " network server";
661 else if (mode & ERR_NETWORK_CLIENT)
662 process_name = " network client **";
668 fprintf(error, "%s%s: ", program.command_basename, process_name);
671 fprintf(error, "warning: ");
673 va_start(ap, format);
674 vfprintf(error, format, ap);
677 fprintf(error, "%s", newline);
681 fprintf(error, "%s: Try option '--help' for more information.%s",
682 program.command_basename, newline);
685 fprintf(error, "%s%s: aborting%s",
686 program.command_basename, process_name, newline);
693 if (mode & ERR_FROM_SERVER)
694 exit(1); /* child process: normal exit */
696 program.exit_function(1); /* main process: clean up stuff */
700 void *checked_malloc(unsigned long size)
707 Error(ERR_EXIT, "cannot allocate %d bytes -- out of memory", size);
712 void *checked_calloc(unsigned long size)
716 ptr = calloc(1, size);
719 Error(ERR_EXIT, "cannot allocate %d bytes -- out of memory", size);
724 void *checked_realloc(void *ptr, unsigned long size)
726 ptr = realloc(ptr, size);
729 Error(ERR_EXIT, "cannot allocate %d bytes -- out of memory", size);
734 inline void swap_numbers(int *i1, int *i2)
742 inline void swap_number_pairs(int *x1, int *y1, int *x2, int *y2)
754 short getFile16BitInteger(FILE *file, int byte_order)
756 if (byte_order == BYTE_ORDER_BIG_ENDIAN)
757 return ((fgetc(file) << 8) |
759 else /* BYTE_ORDER_LITTLE_ENDIAN */
760 return ((fgetc(file) << 0) |
764 void putFile16BitInteger(FILE *file, short value, int byte_order)
766 if (byte_order == BYTE_ORDER_BIG_ENDIAN)
768 fputc((value >> 8) & 0xff, file);
769 fputc((value >> 0) & 0xff, file);
771 else /* BYTE_ORDER_LITTLE_ENDIAN */
773 fputc((value >> 0) & 0xff, file);
774 fputc((value >> 8) & 0xff, file);
778 int getFile32BitInteger(FILE *file, int byte_order)
780 if (byte_order == BYTE_ORDER_BIG_ENDIAN)
781 return ((fgetc(file) << 24) |
782 (fgetc(file) << 16) |
785 else /* BYTE_ORDER_LITTLE_ENDIAN */
786 return ((fgetc(file) << 0) |
788 (fgetc(file) << 16) |
789 (fgetc(file) << 24));
792 void putFile32BitInteger(FILE *file, int value, int byte_order)
794 if (byte_order == BYTE_ORDER_BIG_ENDIAN)
796 fputc((value >> 24) & 0xff, file);
797 fputc((value >> 16) & 0xff, file);
798 fputc((value >> 8) & 0xff, file);
799 fputc((value >> 0) & 0xff, file);
801 else /* BYTE_ORDER_LITTLE_ENDIAN */
803 fputc((value >> 0) & 0xff, file);
804 fputc((value >> 8) & 0xff, file);
805 fputc((value >> 16) & 0xff, file);
806 fputc((value >> 24) & 0xff, file);
810 boolean getFileChunk(FILE *file, char *chunk_name, int *chunk_size,
813 const int chunk_name_length = 4;
815 /* read chunk name */
816 fgets(chunk_name, chunk_name_length + 1, file);
818 if (chunk_size != NULL)
820 /* read chunk size */
821 *chunk_size = getFile32BitInteger(file, byte_order);
824 return (feof(file) || ferror(file) ? FALSE : TRUE);
827 void putFileChunk(FILE *file, char *chunk_name, int chunk_size,
830 /* write chunk name */
831 fputs(chunk_name, file);
835 /* write chunk size */
836 putFile32BitInteger(file, chunk_size, byte_order);
840 int getFileVersion(FILE *file)
842 int version_major, version_minor, version_patch;
844 version_major = fgetc(file);
845 version_minor = fgetc(file);
846 version_patch = fgetc(file);
847 fgetc(file); /* not used */
849 return VERSION_IDENT(version_major, version_minor, version_patch);
852 void putFileVersion(FILE *file, int version)
854 int version_major = VERSION_MAJOR(version);
855 int version_minor = VERSION_MINOR(version);
856 int version_patch = VERSION_PATCH(version);
858 fputc(version_major, file);
859 fputc(version_minor, file);
860 fputc(version_patch, file);
861 fputc(0, file); /* not used */
864 void ReadUnusedBytesFromFile(FILE *file, unsigned long bytes)
866 while (bytes-- && !feof(file))
870 void WriteUnusedBytesToFile(FILE *file, unsigned long bytes)
877 /* ------------------------------------------------------------------------- */
878 /* functions to translate key identifiers between different format */
879 /* ------------------------------------------------------------------------- */
881 #define TRANSLATE_KEYSYM_TO_KEYNAME 0
882 #define TRANSLATE_KEYSYM_TO_X11KEYNAME 1
883 #define TRANSLATE_KEYNAME_TO_KEYSYM 2
884 #define TRANSLATE_X11KEYNAME_TO_KEYSYM 3
886 void translate_keyname(Key *keysym, char **x11name, char **name, int mode)
895 /* normal cursor keys */
896 { KSYM_Left, "XK_Left", "cursor left" },
897 { KSYM_Right, "XK_Right", "cursor right" },
898 { KSYM_Up, "XK_Up", "cursor up" },
899 { KSYM_Down, "XK_Down", "cursor down" },
901 /* keypad cursor keys */
903 { KSYM_KP_Left, "XK_KP_Left", "keypad left" },
904 { KSYM_KP_Right, "XK_KP_Right", "keypad right" },
905 { KSYM_KP_Up, "XK_KP_Up", "keypad up" },
906 { KSYM_KP_Down, "XK_KP_Down", "keypad down" },
909 /* other keypad keys */
911 { KSYM_KP_Enter, "XK_KP_Enter", "keypad enter" },
912 { KSYM_KP_Add, "XK_KP_Add", "keypad +" },
913 { KSYM_KP_Subtract, "XK_KP_Subtract", "keypad -" },
914 { KSYM_KP_Multiply, "XK_KP_Multiply", "keypad mltply" },
915 { KSYM_KP_Divide, "XK_KP_Divide", "keypad /" },
916 { KSYM_KP_Separator,"XK_KP_Separator", "keypad ," },
920 { KSYM_Shift_L, "XK_Shift_L", "left shift" },
921 { KSYM_Shift_R, "XK_Shift_R", "right shift" },
922 { KSYM_Control_L, "XK_Control_L", "left control" },
923 { KSYM_Control_R, "XK_Control_R", "right control" },
924 { KSYM_Meta_L, "XK_Meta_L", "left meta" },
925 { KSYM_Meta_R, "XK_Meta_R", "right meta" },
926 { KSYM_Alt_L, "XK_Alt_L", "left alt" },
927 { KSYM_Alt_R, "XK_Alt_R", "right alt" },
928 { KSYM_Super_L, "XK_Super_L", "left super" }, /* Win-L */
929 { KSYM_Super_R, "XK_Super_R", "right super" }, /* Win-R */
930 { KSYM_Mode_switch, "XK_Mode_switch", "mode switch" }, /* Alt-R */
931 { KSYM_Multi_key, "XK_Multi_key", "multi key" }, /* Ctrl-R */
933 /* some special keys */
934 { KSYM_BackSpace, "XK_BackSpace", "backspace" },
935 { KSYM_Delete, "XK_Delete", "delete" },
936 { KSYM_Insert, "XK_Insert", "insert" },
937 { KSYM_Tab, "XK_Tab", "tab" },
938 { KSYM_Home, "XK_Home", "home" },
939 { KSYM_End, "XK_End", "end" },
940 { KSYM_Page_Up, "XK_Page_Up", "page up" },
941 { KSYM_Page_Down, "XK_Page_Down", "page down" },
942 { KSYM_Menu, "XK_Menu", "menu" }, /* Win-Menu */
944 /* ASCII 0x20 to 0x40 keys (except numbers) */
945 { KSYM_space, "XK_space", "space" },
946 { KSYM_exclam, "XK_exclam", "!" },
947 { KSYM_quotedbl, "XK_quotedbl", "\"" },
948 { KSYM_numbersign, "XK_numbersign", "#" },
949 { KSYM_dollar, "XK_dollar", "$" },
950 { KSYM_percent, "XK_percent", "%" },
951 { KSYM_ampersand, "XK_ampersand", "&" },
952 { KSYM_apostrophe, "XK_apostrophe", "'" },
953 { KSYM_parenleft, "XK_parenleft", "(" },
954 { KSYM_parenright, "XK_parenright", ")" },
955 { KSYM_asterisk, "XK_asterisk", "*" },
956 { KSYM_plus, "XK_plus", "+" },
957 { KSYM_comma, "XK_comma", "," },
958 { KSYM_minus, "XK_minus", "-" },
959 { KSYM_period, "XK_period", "." },
960 { KSYM_slash, "XK_slash", "/" },
961 { KSYM_colon, "XK_colon", ":" },
962 { KSYM_semicolon, "XK_semicolon", ";" },
963 { KSYM_less, "XK_less", "<" },
964 { KSYM_equal, "XK_equal", "=" },
965 { KSYM_greater, "XK_greater", ">" },
966 { KSYM_question, "XK_question", "?" },
967 { KSYM_at, "XK_at", "@" },
969 /* more ASCII keys */
970 { KSYM_bracketleft, "XK_bracketleft", "[" },
971 { KSYM_backslash, "XK_backslash", "backslash" },
972 { KSYM_bracketright,"XK_bracketright", "]" },
973 { KSYM_asciicircum, "XK_asciicircum", "circumflex" },
974 { KSYM_underscore, "XK_underscore", "_" },
975 { KSYM_grave, "XK_grave", "grave" },
976 { KSYM_quoteleft, "XK_quoteleft", "quote left" },
977 { KSYM_braceleft, "XK_braceleft", "brace left" },
978 { KSYM_bar, "XK_bar", "bar" },
979 { KSYM_braceright, "XK_braceright", "brace right" },
980 { KSYM_asciitilde, "XK_asciitilde", "ascii tilde" },
982 /* special (non-ASCII) keys */
983 { KSYM_Adiaeresis, "XK_Adiaeresis", "Ä" },
984 { KSYM_Odiaeresis, "XK_Odiaeresis", "Ö" },
985 { KSYM_Udiaeresis, "XK_Udiaeresis", "Ü" },
986 { KSYM_adiaeresis, "XK_adiaeresis", "ä" },
987 { KSYM_odiaeresis, "XK_odiaeresis", "ö" },
988 { KSYM_udiaeresis, "XK_udiaeresis", "ü" },
989 { KSYM_ssharp, "XK_ssharp", "sharp s" },
991 /* end-of-array identifier */
997 if (mode == TRANSLATE_KEYSYM_TO_KEYNAME)
999 static char name_buffer[30];
1002 if (key >= KSYM_A && key <= KSYM_Z)
1003 sprintf(name_buffer, "%c", 'A' + (char)(key - KSYM_A));
1004 else if (key >= KSYM_a && key <= KSYM_z)
1005 sprintf(name_buffer, "%c", 'a' + (char)(key - KSYM_a));
1006 else if (key >= KSYM_0 && key <= KSYM_9)
1007 sprintf(name_buffer, "%c", '0' + (char)(key - KSYM_0));
1008 else if (key >= KSYM_KP_0 && key <= KSYM_KP_9)
1009 sprintf(name_buffer, "keypad %c", '0' + (char)(key - KSYM_KP_0));
1010 else if (key >= KSYM_FKEY_FIRST && key <= KSYM_FKEY_LAST)
1011 sprintf(name_buffer, "function F%d", (int)(key - KSYM_FKEY_FIRST + 1));
1012 else if (key == KSYM_UNDEFINED)
1013 strcpy(name_buffer, "(undefined)");
1020 if (key == translate_key[i].key)
1022 strcpy(name_buffer, translate_key[i].name);
1026 while (translate_key[++i].name);
1028 if (!translate_key[i].name)
1029 strcpy(name_buffer, "(unknown)");
1032 *name = name_buffer;
1034 else if (mode == TRANSLATE_KEYSYM_TO_X11KEYNAME)
1036 static char name_buffer[30];
1039 if (key >= KSYM_A && key <= KSYM_Z)
1040 sprintf(name_buffer, "XK_%c", 'A' + (char)(key - KSYM_A));
1041 else if (key >= KSYM_a && key <= KSYM_z)
1042 sprintf(name_buffer, "XK_%c", 'a' + (char)(key - KSYM_a));
1043 else if (key >= KSYM_0 && key <= KSYM_9)
1044 sprintf(name_buffer, "XK_%c", '0' + (char)(key - KSYM_0));
1045 else if (key >= KSYM_KP_0 && key <= KSYM_KP_9)
1046 sprintf(name_buffer, "XK_KP_%c", '0' + (char)(key - KSYM_KP_0));
1047 else if (key >= KSYM_FKEY_FIRST && key <= KSYM_FKEY_LAST)
1048 sprintf(name_buffer, "XK_F%d", (int)(key - KSYM_FKEY_FIRST + 1));
1049 else if (key == KSYM_UNDEFINED)
1050 strcpy(name_buffer, "[undefined]");
1057 if (key == translate_key[i].key)
1059 strcpy(name_buffer, translate_key[i].x11name);
1063 while (translate_key[++i].x11name);
1065 if (!translate_key[i].x11name)
1066 sprintf(name_buffer, "0x%04lx", (unsigned long)key);
1069 *x11name = name_buffer;
1071 else if (mode == TRANSLATE_KEYNAME_TO_KEYSYM)
1073 Key key = KSYM_UNDEFINED;
1078 if (strcmp(translate_key[i].name, *name) == 0)
1080 key = translate_key[i].key;
1084 while (translate_key[++i].x11name);
1086 if (key == KSYM_UNDEFINED)
1087 Error(ERR_WARN, "getKeyFromKeyName(): not completely implemented");
1091 else if (mode == TRANSLATE_X11KEYNAME_TO_KEYSYM)
1093 Key key = KSYM_UNDEFINED;
1094 char *name_ptr = *x11name;
1096 if (strncmp(name_ptr, "XK_", 3) == 0 && strlen(name_ptr) == 4)
1098 char c = name_ptr[3];
1100 if (c >= 'A' && c <= 'Z')
1101 key = KSYM_A + (Key)(c - 'A');
1102 else if (c >= 'a' && c <= 'z')
1103 key = KSYM_a + (Key)(c - 'a');
1104 else if (c >= '0' && c <= '9')
1105 key = KSYM_0 + (Key)(c - '0');
1107 else if (strncmp(name_ptr, "XK_KP_", 6) == 0 && strlen(name_ptr) == 7)
1109 char c = name_ptr[6];
1111 if (c >= '0' && c <= '9')
1112 key = KSYM_0 + (Key)(c - '0');
1114 else if (strncmp(name_ptr, "XK_F", 4) == 0 && strlen(name_ptr) <= 6)
1116 char c1 = name_ptr[4];
1117 char c2 = name_ptr[5];
1120 if ((c1 >= '0' && c1 <= '9') &&
1121 ((c2 >= '0' && c1 <= '9') || c2 == '\0'))
1122 d = atoi(&name_ptr[4]);
1124 if (d >= 1 && d <= KSYM_NUM_FKEYS)
1125 key = KSYM_F1 + (Key)(d - 1);
1127 else if (strncmp(name_ptr, "XK_", 3) == 0)
1133 if (strcmp(name_ptr, translate_key[i].x11name) == 0)
1135 key = translate_key[i].key;
1139 while (translate_key[++i].x11name);
1141 else if (strncmp(name_ptr, "0x", 2) == 0)
1143 unsigned long value = 0;
1149 char c = *name_ptr++;
1152 if (c >= '0' && c <= '9')
1154 else if (c >= 'a' && c <= 'f')
1155 d = (int)(c - 'a' + 10);
1156 else if (c >= 'A' && c <= 'F')
1157 d = (int)(c - 'A' + 10);
1165 value = value * 16 + d;
1176 char *getKeyNameFromKey(Key key)
1180 translate_keyname(&key, NULL, &name, TRANSLATE_KEYSYM_TO_KEYNAME);
1184 char *getX11KeyNameFromKey(Key key)
1188 translate_keyname(&key, &x11name, NULL, TRANSLATE_KEYSYM_TO_X11KEYNAME);
1192 Key getKeyFromKeyName(char *name)
1196 translate_keyname(&key, NULL, &name, TRANSLATE_KEYNAME_TO_KEYSYM);
1200 Key getKeyFromX11KeyName(char *x11name)
1204 translate_keyname(&key, &x11name, NULL, TRANSLATE_X11KEYNAME_TO_KEYSYM);
1208 char getCharFromKey(Key key)
1210 char *keyname = getKeyNameFromKey(key);
1213 if (strlen(keyname) == 1)
1214 letter = keyname[0];
1215 else if (strcmp(keyname, "space") == 0)
1217 else if (strcmp(keyname, "circumflex") == 0)
1224 /* ========================================================================= */
1225 /* functions for generic lists */
1226 /* ========================================================================= */
1228 ListNode *newListNode()
1230 return checked_calloc(sizeof(ListNode));
1233 void addNodeToList(ListNode **node_first, char *key, void *content)
1235 ListNode *node_new = newListNode();
1238 printf("LIST: adding node with key '%s'\n", key);
1241 node_new->key = getStringCopy(key);
1242 node_new->content = content;
1243 node_new->next = *node_first;
1244 *node_first = node_new;
1247 void deleteNodeFromList(ListNode **node_first, char *key,
1248 void (*destructor_function)(void *))
1250 if (node_first == NULL || *node_first == NULL)
1254 printf("[CHECKING LIST KEY '%s' == '%s']\n",
1255 (*node_first)->key, key);
1258 if (strcmp((*node_first)->key, key) == 0)
1261 printf("[DELETING LIST ENTRY]\n");
1264 free((*node_first)->key);
1265 if (destructor_function)
1266 destructor_function((*node_first)->content);
1267 *node_first = (*node_first)->next;
1270 deleteNodeFromList(&(*node_first)->next, key, destructor_function);
1273 ListNode *getNodeFromKey(ListNode *node_first, char *key)
1275 if (node_first == NULL)
1278 if (strcmp(node_first->key, key) == 0)
1281 return getNodeFromKey(node_first->next, key);
1284 int getNumNodes(ListNode *node_first)
1286 return (node_first ? 1 + getNumNodes(node_first->next) : 0);
1289 void dumpList(ListNode *node_first)
1291 ListNode *node = node_first;
1295 printf("['%s' (%d)]\n", node->key,
1296 ((struct ListNodeInfo *)node->content)->num_references);
1300 printf("[%d nodes]\n", getNumNodes(node_first));
1304 /* ========================================================================= */
1305 /* functions for checking filenames */
1306 /* ========================================================================= */
1308 boolean FileIsGraphic(char *filename)
1310 if (strlen(filename) > 4 &&
1311 strcmp(&filename[strlen(filename) - 4], ".pcx") == 0)
1317 boolean FileIsSound(char *basename)
1319 if (strlen(basename) > 4 &&
1320 strcmp(&basename[strlen(basename) - 4], ".wav") == 0)
1326 boolean FileIsMusic(char *basename)
1328 /* "music" can be a WAV (loop) file or (if compiled with SDL) a MOD file */
1330 if (FileIsSound(basename))
1333 #if defined(TARGET_SDL)
1334 if (strlen(basename) > 4 &&
1335 (strcmp(&basename[strlen(basename) - 4], ".mod") == 0 ||
1336 strcmp(&basename[strlen(basename) - 4], ".MOD") == 0 ||
1337 strncmp(basename, "mod.", 4) == 0 ||
1338 strncmp(basename, "MOD.", 4) == 0))
1345 boolean FileIsArtworkType(char *basename, int type)
1347 if ((type == TREE_TYPE_GRAPHICS_DIR && FileIsGraphic(basename)) ||
1348 (type == TREE_TYPE_SOUNDS_DIR && FileIsSound(basename)) ||
1349 (type == TREE_TYPE_MUSIC_DIR && FileIsMusic(basename)))
1355 /* ========================================================================= */
1356 /* functions for loading artwork configuration information */
1357 /* ========================================================================= */
1359 struct FileInfo *getFileListFromConfigList(struct ConfigInfo *config_list,
1360 struct ConfigInfo *suffix_list,
1361 int num_file_list_entries)
1363 struct FileInfo *file_list;
1364 int num_suffix_list_entries = 0;
1368 file_list = checked_calloc(num_file_list_entries * sizeof(struct FileInfo));
1370 for (i=0; suffix_list[i].token != NULL; i++)
1371 num_suffix_list_entries++;
1373 /* always start with reliable default values */
1374 for (i=0; i<num_file_list_entries; i++)
1376 file_list[i].token = NULL;
1377 file_list[i].default_filename = NULL;
1378 file_list[i].filename = NULL;
1380 if (num_suffix_list_entries > 0)
1382 int parameter_array_size = num_suffix_list_entries * sizeof(int);
1384 file_list[i].default_parameter = checked_calloc(parameter_array_size);
1385 file_list[i].parameter = checked_calloc(parameter_array_size);
1387 for (j=0; j<num_suffix_list_entries; j++)
1389 int default_parameter = atoi(suffix_list[j].value);
1391 file_list[i].default_parameter[j] = default_parameter;
1392 file_list[i].parameter[j] = default_parameter;
1397 for (i=0; config_list[i].token != NULL; i++)
1399 int len_config_token = strlen(config_list[i].token);
1400 int len_config_value = strlen(config_list[i].value);
1401 boolean is_file_entry = TRUE;
1403 for (j=0; suffix_list[j].token != NULL; j++)
1405 int len_suffix = strlen(suffix_list[j].token);
1407 if (len_suffix < len_config_token &&
1408 strcmp(&config_list[i].token[len_config_token - len_suffix],
1409 suffix_list[j].token) == 0)
1411 file_list[list_pos].default_parameter[j] = atoi(config_list[i].value);
1413 is_file_entry = FALSE;
1423 if (list_pos > num_file_list_entries - 1)
1426 /* simple sanity check if this is really a file definition */
1427 if (strcmp(&config_list[i].value[len_config_value - 4], ".pcx") != 0 &&
1428 strcmp(&config_list[i].value[len_config_value - 4], ".wav") != 0 &&
1429 strcmp(config_list[i].value, UNDEFINED_FILENAME) != 0)
1431 Error(ERR_RETURN, "Configuration directive '%s' -> '%s':",
1432 config_list[i].token, config_list[i].value);
1433 Error(ERR_EXIT, "This seems to be no valid definition -- please fix");
1436 file_list[list_pos].token = config_list[i].token;
1437 file_list[list_pos].default_filename = config_list[i].value;
1441 if (list_pos != num_file_list_entries - 1)
1442 Error(ERR_EXIT, "inconsistant config list information -- please fix");
1447 static void LoadArtworkConfig(struct ArtworkListInfo *artwork_info)
1449 struct FileInfo *file_list = artwork_info->file_list;
1450 struct ConfigInfo *suffix_list = artwork_info->suffix_list;
1451 int num_file_list_entries = artwork_info->num_file_list_entries;
1452 int num_suffix_list_entries = artwork_info->num_suffix_list_entries;
1453 char *filename = getCustomArtworkConfigFilename(artwork_info->type);
1454 struct SetupFileList *setup_file_list;
1458 printf("GOT CUSTOM ARTWORK CONFIG FILE '%s'\n", filename);
1461 /* always start with reliable default values */
1462 for (i=0; i<num_file_list_entries; i++)
1464 if (file_list[i].filename != NULL)
1465 free(file_list[i].filename);
1466 file_list[i].filename = NULL;
1468 for (j=0; j<num_suffix_list_entries; j++)
1469 file_list[i].parameter[j] = file_list[i].default_parameter[j];
1472 if (filename == NULL)
1475 if ((setup_file_list = loadSetupFileList(filename)))
1477 for (i=0; i<num_file_list_entries; i++)
1479 char *filename = getTokenValue(setup_file_list, file_list[i].token);
1481 if (filename == NULL)
1482 filename = file_list[i].default_filename;
1483 file_list[i].filename = getStringCopy(filename);
1485 for (j=0; j<num_suffix_list_entries; j++)
1487 char *token = getStringCat2(file_list[i].token, suffix_list[j].token);
1488 char *value = getTokenValue(setup_file_list, token);
1491 file_list[i].parameter[j] = atoi(value);
1497 freeSetupFileList(setup_file_list);
1500 for (i=0; i<num_file_list_entries; i++)
1502 printf("'%s' ", file_list[i].token);
1503 if (file_list[i].filename)
1504 printf("-> '%s'\n", file_list[i].filename);
1506 printf("-> UNDEFINED [-> '%s']\n", file_list[i].default_filename);
1512 static void deleteArtworkListEntry(struct ArtworkListInfo *artwork_info,
1513 struct ListNodeInfo **listnode)
1517 char *filename = (*listnode)->source_filename;
1520 printf("[decrementing reference counter of artwork '%s']\n", filename);
1523 if (--(*listnode)->num_references <= 0)
1526 printf("[deleting artwork '%s']\n", filename);
1529 deleteNodeFromList(&artwork_info->content_list, filename,
1530 artwork_info->free_artwork);
1537 static void replaceArtworkListEntry(struct ArtworkListInfo *artwork_info,
1538 struct ListNodeInfo **listnode,
1543 /* check if the old and the new artwork file are the same */
1544 if (*listnode && strcmp((*listnode)->source_filename, filename) == 0)
1546 /* The old and new artwork are the same (have the same filename and path).
1547 This usually means that this artwork does not exist in this artwork set
1548 and a fallback to the existing artwork is done. */
1551 printf("[artwork '%s' already exists (same list entry)]\n", filename);
1557 /* delete existing artwork file entry */
1558 deleteArtworkListEntry(artwork_info, listnode);
1560 /* check if the new artwork file already exists in the list of artworks */
1561 if ((node = getNodeFromKey(artwork_info->content_list, filename)) != NULL)
1564 printf("[artwork '%s' already exists (other list entry)]\n", filename);
1567 *listnode = (struct ListNodeInfo *)node->content;
1568 (*listnode)->num_references++;
1570 else if ((*listnode = artwork_info->load_artwork(filename)) != NULL)
1572 (*listnode)->num_references = 1;
1573 addNodeToList(&artwork_info->content_list, (*listnode)->source_filename,
1578 static void LoadCustomArtwork(struct ArtworkListInfo *artwork_info,
1579 struct ListNodeInfo **listnode,
1582 char *filename = getCustomArtworkFilename(basename, artwork_info->type);
1585 printf("GOT CUSTOM ARTWORK FILE '%s'\n", filename);
1588 if (strcmp(basename, UNDEFINED_FILENAME) == 0)
1590 deleteArtworkListEntry(artwork_info, listnode);
1594 if (filename == NULL)
1596 Error(ERR_WARN, "cannot find artwork file '%s'", basename);
1600 replaceArtworkListEntry(artwork_info, listnode, filename);
1603 static void LoadArtworkToList(struct ArtworkListInfo *artwork_info,
1604 char *basename, int list_pos)
1606 if (artwork_info->artwork_list == NULL ||
1607 list_pos >= artwork_info->num_file_list_entries)
1611 printf("loading artwork '%s' ... [%d]\n",
1612 basename, getNumNodes(artwork_info->content_list));
1615 LoadCustomArtwork(artwork_info, &artwork_info->artwork_list[list_pos],
1619 printf("loading artwork '%s' done [%d]\n",
1620 basename, getNumNodes(artwork_info->content_list));
1624 void ReloadCustomArtworkList(struct ArtworkListInfo *artwork_info)
1634 { "Loading graphics:", TRUE },
1635 { "Loading sounds:", TRUE },
1636 { "Loading music:", TRUE }
1639 int num_file_list_entries = artwork_info->num_file_list_entries;
1640 struct FileInfo *file_list = artwork_info->file_list;
1643 LoadArtworkConfig(artwork_info);
1645 if (draw_init[artwork_info->type].do_it)
1646 DrawInitText(draw_init[artwork_info->type].text, 120, FC_GREEN);
1649 printf("DEBUG: reloading %d artwork files ...\n", num_file_list_entries);
1652 for(i=0; i<num_file_list_entries; i++)
1654 if (draw_init[artwork_info->type].do_it)
1655 DrawInitText(file_list[i].token, 150, FC_YELLOW);
1657 LoadArtworkToList(artwork_info, file_list[i].filename, i);
1660 draw_init[artwork_info->type].do_it = FALSE;
1663 printf("list size == %d\n", getNumNodes(artwork_info->content_list));
1667 dumpList(artwork_info->content_list);
1671 void FreeCustomArtworkList(struct ArtworkListInfo *artwork_info)
1675 if (artwork_info->artwork_list == NULL)
1679 printf("%s: FREEING ARTWORK ...\n",
1680 IS_CHILD_PROCESS(audio.mixer_pid) ? "CHILD" : "PARENT");
1683 for(i=0; i<artwork_info->num_file_list_entries; i++)
1684 deleteArtworkListEntry(artwork_info, &artwork_info->artwork_list[i]);
1687 printf("%s: FREEING ARTWORK -- DONE\n",
1688 IS_CHILD_PROCESS(audio.mixer_pid) ? "CHILD" : "PARENT");
1691 free(artwork_info->artwork_list);
1693 artwork_info->artwork_list = NULL;
1694 artwork_info->num_file_list_entries = 0;
1698 /* ========================================================================= */
1699 /* functions only needed for non-Unix (non-command-line) systems */
1700 /* (MS-DOS only; SDL/Windows creates files "stdout.txt" and "stderr.txt") */
1701 /* ========================================================================= */
1703 #if defined(PLATFORM_MSDOS)
1705 #define ERROR_FILENAME "stderr.txt"
1707 void initErrorFile()
1709 unlink(ERROR_FILENAME);
1712 FILE *openErrorFile()
1714 return fopen(ERROR_FILENAME, MODE_APPEND);
1717 void dumpErrorFile()
1719 FILE *error_file = fopen(ERROR_FILENAME, MODE_READ);
1721 if (error_file != NULL)
1723 while (!feof(error_file))
1724 fputc(fgetc(error_file), stderr);
1732 /* ========================================================================= */
1733 /* the following is only for debugging purpose and normally not used */
1734 /* ========================================================================= */
1736 #define DEBUG_NUM_TIMESTAMPS 3
1738 void debug_print_timestamp(int counter_nr, char *message)
1740 static long counter[DEBUG_NUM_TIMESTAMPS][2];
1742 if (counter_nr >= DEBUG_NUM_TIMESTAMPS)
1743 Error(ERR_EXIT, "debugging: increase DEBUG_NUM_TIMESTAMPS in misc.c");
1745 counter[counter_nr][0] = Counter();
1748 printf("%s %.2f seconds\n", message,
1749 (float)(counter[counter_nr][0] - counter[counter_nr][1]) / 1000);
1751 counter[counter_nr][1] = Counter();