1 // ============================================================================
2 // Artsoft Retro-Game Library
3 // ----------------------------------------------------------------------------
4 // (c) 1995-2014 by Artsoft Entertainment
7 // https://www.artsoft.org/
8 // ----------------------------------------------------------------------------
10 // ============================================================================
14 #include <sys/types.h>
24 #if defined(PLATFORM_UNIX)
26 #include <sys/param.h>
36 // ============================================================================
37 // some generic helper functions
38 // ============================================================================
40 // ----------------------------------------------------------------------------
42 // ----------------------------------------------------------------------------
44 #define DUPLICATE_LOGGING_TO_STDOUT TRUE
47 #if defined(PLATFORM_ANDROID)
48 static int android_log_prio = ANDROID_LOG_INFO;
49 static char *android_log_buffer = NULL;
51 static void append_to_android_log_buffer(char *format, va_list ap)
53 char text_new[MAX_OUTPUT_LINESIZE];
55 // print text to temporary string
56 vsnprintf(text_new, MAX_OUTPUT_LINESIZE, format, ap);
58 if (android_log_buffer == NULL)
60 android_log_buffer = getStringCopy(text_new);
64 char *android_log_buffer_old = android_log_buffer;
66 // append new text to existing text
67 android_log_buffer = getStringCat2(android_log_buffer, text_new);
69 checked_free(android_log_buffer_old);
73 static void vprintf_log_nonewline(char *format, va_list ap)
75 // add log output to buffer until text with newline is printed
76 append_to_android_log_buffer(format, ap);
79 static void vprintf_log(char *format, va_list ap)
81 // add log output to buffer
82 append_to_android_log_buffer(format, ap);
84 // __android_log_vprint(android_log_prio, program.program_title, format, ap);
85 __android_log_write(android_log_prio, program.program_title,
88 checked_free(android_log_buffer);
89 android_log_buffer = NULL;
94 static void vprintf_log_nonewline(char *format, va_list ap)
96 FILE *file = program.log_file;
98 #if DUPLICATE_LOGGING_TO_STDOUT
99 if (file != program.log_file_default)
104 vfprintf(program.log_file_default, format, ap2);
110 vfprintf(file, format, ap);
113 static void vprintf_log(char *format, va_list ap)
115 FILE *file = program.log_file;
116 char *newline = STRING_NEWLINE;
118 #if DUPLICATE_LOGGING_TO_STDOUT
119 if (file != program.log_file_default)
124 vfprintf(program.log_file_default, format, ap2);
125 fprintf(program.log_file_default, "%s", newline);
131 vfprintf(file, format, ap);
132 fprintf(file, "%s", newline);
136 static void printf_log_nonewline(char *format, ...)
140 va_start(ap, format);
141 vprintf_log_nonewline(format, ap);
145 static void printf_log(char *format, ...)
149 va_start(ap, format);
150 vprintf_log(format, ap);
154 static void printf_log_line(char *line_chars, int line_length)
158 for (i = 0; i < line_length; i++)
159 printf_log_nonewline("%s", line_chars);
165 // ----------------------------------------------------------------------------
166 // platform independent wrappers for printf() et al.
167 // ----------------------------------------------------------------------------
169 void fprintf_line(FILE *file, char *line_chars, int line_length)
173 for (i = 0; i < line_length; i++)
174 fprintf(file, "%s", line_chars);
179 void fprintf_line_with_prefix(FILE *file, char *prefix, char *line_chars,
182 fprintf(file, "%s", prefix);
183 fprintf_line(file, line_chars, line_length);
186 void printf_line(char *line_chars, int line_length)
188 fprintf_line(stdout, line_chars, line_length);
191 void printf_line_with_prefix(char *prefix, char *line_chars, int line_length)
193 fprintf_line_with_prefix(stdout, prefix, line_chars, line_length);
196 static void vPrint(char *format, va_list ap)
198 FILE *file = program.log_file;
200 #if DUPLICATE_LOGGING_TO_STDOUT
201 if (file != program.log_file_default)
206 vfprintf(program.log_file_default, format, ap2);
212 vfprintf(file, format, ap);
215 void Print(char *format, ...)
219 va_start(ap, format);
224 void PrintNoLog(char *format, ...)
226 FILE *file = program.log_file_default;
229 va_start(ap, format);
230 vfprintf(file, format, ap);
236 void PrintLine(char *line_chars, int line_length)
240 for (i = 0; i < line_length; i++)
246 void PrintLineWithPrefix(char *prefix, char *line_chars, int line_length)
249 PrintLine(line_chars, line_length);
253 // ----------------------------------------------------------------------------
254 // generic logging and error handling functions
255 // ----------------------------------------------------------------------------
267 static char *log_tokens[] =
277 static void printf_log_prefix(int log_level, char *mode)
279 if (log_level < 0 || log_level > LOG_FATAL)
282 char *log_token = log_tokens[log_level];
284 if (log_level == LOG_DEBUG)
285 printf_log_nonewline("[%s] [%s] ", log_token, mode);
287 printf_log_nonewline("[%s] ", log_token);
290 static void vLog(int log_level, char *mode, char *format, va_list ap)
292 if (log_level < 0 || log_level > LOG_FATAL)
295 if (log_level == LOG_DEBUG)
297 // only show debug messages when in debug mode
301 // if optional debug mode specified, limit debug output accordingly
302 if (options.debug_mode != NULL &&
303 strstr(mode, options.debug_mode) == NULL)
306 else if (log_level == LOG_WARN)
308 // only show warning messages when in verbose mode
309 if (!options.verbose)
313 #if defined(PLATFORM_ANDROID)
314 android_log_prio = (log_level == LOG_DEBUG ? ANDROID_LOG_DEBUG :
315 log_level == LOG_INFO ? ANDROID_LOG_INFO :
316 log_level == LOG_WARN ? ANDROID_LOG_WARN :
317 log_level == LOG_ERROR ? ANDROID_LOG_ERROR :
318 log_level == LOG_FATAL ? ANDROID_LOG_FATAL :
319 ANDROID_LOG_UNKNOWN);
322 static boolean last_line_was_separator = FALSE;
323 char *log_token = log_tokens[log_level];
325 if (strEqual(format, "===") ||
326 strEqual(format, "---"))
328 static char *mode_last = NULL;
329 char line_char[2] = { format[0], '\0' };
330 int line_length = 80 - strlen(log_token) - 3;
332 if (log_level == LOG_DEBUG)
333 line_length -= strlen(mode) + 3;
335 if (last_line_was_separator && strEqual(mode, mode_last))
338 printf_log_prefix(log_level, mode);
339 printf_log_line(line_char, line_length);
341 if (!strEqual(mode, mode_last))
342 setString(&mode_last, mode);
344 last_line_was_separator = TRUE;
349 last_line_was_separator = FALSE;
351 printf_log_prefix(log_level, mode);
353 vprintf_log(format, ap);
356 static void Log(int log_level, char *mode, char *format, ...)
360 va_start(ap, format);
361 vLog(log_level, mode, format, ap);
365 void DebugContinued(char *mode, char *format, ...)
367 static char message[MAX_LINE_LEN] = { 0 };
369 // initialize message (optional)
370 if (strEqual(format, ""))
377 char *message_ptr = message + strlen(message);
378 int size_left = MAX_LINE_LEN - strlen(message);
382 va_start(ap, format);
383 vsnprintf(message_ptr, size_left, format, ap);
387 if (strSuffix(format, "\n"))
389 message[strlen(message) - 1] = '\0';
391 Debug(mode, message);
397 void Debug(char *mode, char *format, ...)
401 va_start(ap, format);
402 vLog(LOG_DEBUG, mode, format, ap);
406 void Info(char *format, ...)
410 va_start(ap, format);
411 vLog(LOG_INFO, NULL, format, ap);
415 void Warn(char *format, ...)
419 va_start(ap, format);
420 vLog(LOG_WARN, NULL, format, ap);
424 void Error(char *format, ...)
428 va_start(ap, format);
429 vLog(LOG_ERROR, NULL, format, ap);
433 void Fail(char *format, ...)
437 va_start(ap, format);
438 vLog(LOG_FATAL, NULL, format, ap);
441 if (!network.is_server_thread)
443 va_start(ap, format);
444 program.exit_message_function(format, ap);
448 Log(LOG_FATAL, NULL, "aborting");
450 // network server thread: normal exit
451 if (network.is_server_thread)
454 // main process: clean up stuff
455 program.exit_function(1);
458 void FailWithHelp(char *format, ...)
462 va_start(ap, format);
463 vLog(LOG_FATAL, NULL, format, ap);
466 Log(LOG_FATAL, NULL, "try option '--help' for more information");
467 Log(LOG_FATAL, NULL, "aborting");
469 // main process: clean up stuff
470 program.exit_function(1);
474 // ----------------------------------------------------------------------------
476 // ----------------------------------------------------------------------------
478 /* int2str() returns a number converted to a string;
479 the used memory is static, but will be overwritten by later calls,
480 so if you want to save the result, copy it to a private string buffer;
481 there can be 10 local calls of int2str() without buffering the result --
482 the 11th call will then destroy the result from the first call and so on. */
484 char *int2str(int number, int size)
486 static char shift_array[10][40];
487 static int shift_counter = 0;
488 char *s = shift_array[shift_counter];
490 shift_counter = (shift_counter + 1) % 10;
497 sprintf(s, " %09d", number);
498 return &s[strlen(s) - size];
502 sprintf(s, "%d", number);
508 // something similar to "int2str()" above, but allocates its own memory
509 // and has a different interface; we cannot use "itoa()", because this
510 // seems to be already defined when cross-compiling to the win32 target
512 char *i_to_a(unsigned int i)
514 static char *a = NULL;
518 if (i > 2147483647) // yes, this is a kludge
521 a = checked_malloc(10 + 1);
529 // calculate base-2 logarithm of argument (rounded down to integer;
530 // this function returns the number of the highest bit set in argument)
532 int log_2(unsigned int x)
538 x -= (1 << e); // for rounding down (rounding up: remove this line)
545 boolean getTokenValueFromString(char *string, char **token, char **value)
547 return getTokenValueFromSetupLine(string, token, value);
551 // ----------------------------------------------------------------------------
553 // ----------------------------------------------------------------------------
555 #define UUID_BYTES 16
556 #define UUID_CHARS (UUID_BYTES * 2)
557 #define UUID_LENGTH (UUID_CHARS + 4)
559 static unsigned int uuid_random_function(int max)
561 return GetBetterRandom(max);
564 char *getUUIDExt(unsigned int (*random_function)(int max))
566 static char uuid[UUID_LENGTH + 1];
567 int data[UUID_BYTES];
571 for (i = 0; i < UUID_BYTES; i++)
572 data[i] = random_function(256);
574 data[6] = 0x40 | (data[6] & 0x0f);
575 data[8] = 0x80 | (data[8] & 0x3f);
577 for (i = 0; i < UUID_BYTES; i++)
579 sprintf(&uuid[count], "%02x", data[i]);
582 if (i == 3 || i == 5 || i == 7 || i == 9)
583 strcat(&uuid[count++], "-");
591 return getUUIDExt(uuid_random_function);
595 // ----------------------------------------------------------------------------
597 // ----------------------------------------------------------------------------
599 // maximal allowed length of a command line option
600 #define MAX_OPTION_LEN 256
602 static unsigned int getCurrentMS(void)
604 return SDL_GetTicks();
607 static unsigned int mainCounter(int mode)
609 static unsigned int base_ms = 0;
610 unsigned int current_ms;
612 // get current system milliseconds
613 current_ms = getCurrentMS();
615 // reset base timestamp in case of counter reset or wrap-around
616 if (mode == INIT_COUNTER || current_ms < base_ms)
617 base_ms = current_ms;
619 // return milliseconds since last counter reset
620 return current_ms - base_ms;
623 void InitCounter(void) // set counter back to zero
625 mainCounter(INIT_COUNTER);
628 unsigned int Counter(void) // get milliseconds since last call of InitCounter()
630 return mainCounter(READ_COUNTER);
633 static void sleep_milliseconds(unsigned int milliseconds_delay)
635 SDL_Delay(milliseconds_delay);
638 void Delay(unsigned int delay) // Sleep specified number of milliseconds
640 sleep_milliseconds(delay);
643 boolean DelayReachedExt2(unsigned int *counter_var, unsigned int delay,
644 unsigned int actual_counter)
646 if (actual_counter >= *counter_var &&
647 actual_counter < *counter_var + delay)
650 *counter_var = actual_counter;
655 boolean DelayReachedExt(DelayCounter *counter, unsigned int actual_counter)
657 return DelayReachedExt2(&counter->count, counter->value, actual_counter);
660 boolean FrameReached(DelayCounter *counter)
662 return DelayReachedExt(counter, FrameCounter);
665 boolean DelayReached(DelayCounter *counter)
667 return DelayReachedExt(counter, Counter());
670 void ResetDelayCounterExt(DelayCounter *counter, unsigned int actual_counter)
672 DelayReachedExt2(&counter->count, 0, actual_counter);
675 void ResetFrameCounter(DelayCounter *counter)
677 ResetDelayCounterExt(counter, FrameCounter);
680 void ResetDelayCounter(DelayCounter *counter)
682 ResetDelayCounterExt(counter, Counter());
685 int WaitUntilDelayReached(DelayCounter *counter)
687 unsigned int *counter_var = &counter->count;
688 unsigned int delay = counter->value;
689 unsigned int actual_counter;
694 actual_counter = Counter();
696 if (actual_counter >= *counter_var &&
697 actual_counter < *counter_var + delay)
698 sleep_milliseconds((*counter_var + delay - actual_counter) / 2);
703 if (*counter_var != 0 &&
705 actual_counter >= *counter_var + delay)
707 int lag = actual_counter - (*counter_var + delay);
708 int delay2 = (delay + 1) / 2;
711 skip_frames = (lag + delay2) / delay;
714 *counter_var = actual_counter;
719 void SkipUntilDelayReached(DelayCounter *counter,
720 int *loop_var, int last_loop_value)
722 int skip_frames = WaitUntilDelayReached(counter);
727 Debug("internal:SkipUntilDelayReached",
728 "%d: %d ms -> SKIP %d FRAME(S) [%d ms]",
729 *loop_var, counter->value,
730 skip_frames, skip_frames * counter->value);
732 Debug("internal:SkipUntilDelayReached",
734 *loop_var, counter->value);
738 if (skip_frames == 0)
741 // when skipping frames, make sure to never skip the last frame, as
742 // this may be needed for animations to reach a defined end state;
743 // furthermore, we assume that this function is called at the end
744 // of a "for" loop, which continues by incrementing the loop variable
745 // by one before checking the loop condition again; therefore we have
746 // to check against the last loop value minus one here
750 if (*loop_var < last_loop_value) // never skip the last frame
752 *loop_var += skip_frames;
754 if (*loop_var > last_loop_value) // never skip the last frame
755 *loop_var = last_loop_value;
760 // ----------------------------------------------------------------------------
761 // random generator functions
762 // ----------------------------------------------------------------------------
764 static unsigned int init_random_number_ext(int nr, int seed)
766 if (seed == NEW_RANDOMIZE)
768 // default random seed
769 seed = (int)time(NULL); // seconds since the epoch
771 #if !defined(PLATFORM_WINDOWS)
772 // add some more randomness
773 struct timeval current_time;
775 gettimeofday(¤t_time, NULL);
777 seed += (int)current_time.tv_usec; // microseconds since the epoch
780 // add some more randomness
781 seed += (int)SDL_GetTicks(); // milliseconds since SDL init
783 // add some more randomness
784 seed += GetSimpleRandom(1000000);
787 srandom_linux_libc(nr, (unsigned int) seed);
789 return (unsigned int) seed;
792 static unsigned int prng_seed_gettimeofday(void)
794 struct timeval current_time;
796 gettimeofday(¤t_time, NULL);
798 prng_seed_bytes(¤t_time, sizeof(current_time));
803 unsigned int init_random_number(int nr, int seed)
805 return (nr == RANDOM_BETTER ? prng_seed_gettimeofday() :
806 init_random_number_ext(nr, seed));
809 static unsigned int get_random_number_ext(int nr)
811 return (nr == RANDOM_BETTER ? prng_get_uint() :
812 random_linux_libc(nr));
815 unsigned int get_random_number(int nr, int max)
817 return (max > 0 ? get_random_number_ext(nr) % max : 0);
821 // ----------------------------------------------------------------------------
822 // system info functions
823 // ----------------------------------------------------------------------------
825 #if !defined(PLATFORM_ANDROID)
826 static char *get_corrected_real_name(char *real_name)
828 char *real_name_new = checked_malloc(MAX_USERNAME_LEN + 1);
829 char *from_ptr = real_name;
830 char *to_ptr = real_name_new;
832 // copy the name string, but not more than MAX_USERNAME_LEN characters
833 while (*from_ptr && (int)(to_ptr - real_name_new) < MAX_USERNAME_LEN - 1)
835 // the name field read from "passwd" file may also contain additional
836 // user information, separated by commas, which will be removed here
837 if (*from_ptr == ',')
840 // the user's real name may contain 'german sharp s' characters,
841 // which have no equivalent in upper case letters (used by our fonts)
842 if (*from_ptr == CHAR_BYTE_SHARP_S)
849 *to_ptr++ = *from_ptr++;
854 return real_name_new;
858 #if defined(PLATFORM_UNIX)
859 static struct passwd *getPasswdEntry(void)
861 #if defined(PLATFORM_EMSCRIPTEN)
862 // currently not fully supported; force fallback to default values
865 return getpwuid(getuid());
869 char *getUnixLoginName(void)
871 struct passwd *pwd = getPasswdEntry();
873 if (pwd != NULL && strlen(pwd->pw_name) != 0)
879 char *getUnixRealName(void)
881 struct passwd *pwd = getPasswdEntry();
883 if (pwd != NULL && strlen(pwd->pw_gecos) != 0)
884 return pwd->pw_gecos;
889 char *getUnixHomeDir(void)
891 struct passwd *pwd = getPasswdEntry();
893 if (pwd != NULL && strlen(pwd->pw_dir) != 0)
900 char *getLoginName(void)
902 static char *login_name = NULL;
904 #if defined(PLATFORM_WINDOWS)
905 if (login_name == NULL)
907 unsigned long buffer_size = MAX_USERNAME_LEN + 1;
909 login_name = checked_malloc(buffer_size);
911 if (GetUserName(login_name, &buffer_size) == 0)
912 strcpy(login_name, ANONYMOUS_NAME);
914 #elif defined(PLATFORM_UNIX) && !defined(PLATFORM_ANDROID)
915 if (login_name == NULL)
917 char *name = getUnixLoginName();
920 login_name = getStringCopy(name);
922 login_name = ANONYMOUS_NAME;
925 login_name = ANONYMOUS_NAME;
931 char *getRealName(void)
933 static char *real_name = NULL;
935 #if defined(PLATFORM_WINDOWS)
936 if (real_name == NULL)
938 static char buffer[MAX_USERNAME_LEN + 1];
939 unsigned long buffer_size = MAX_USERNAME_LEN + 1;
941 if (GetUserName(buffer, &buffer_size) != 0)
942 real_name = get_corrected_real_name(buffer);
944 real_name = ANONYMOUS_NAME;
946 #elif defined(PLATFORM_UNIX) && !defined(PLATFORM_ANDROID)
947 if (real_name == NULL)
949 char *name = getUnixRealName();
952 real_name = get_corrected_real_name(name);
954 real_name = ANONYMOUS_NAME;
957 real_name = ANONYMOUS_NAME;
963 char *getFixedUserName(char *name)
965 // needed because player name must be a fixed length string
966 char *name_new = checked_malloc(MAX_PLAYER_NAME_LEN + 1);
968 strncpy(name_new, name, MAX_PLAYER_NAME_LEN);
969 name_new[MAX_PLAYER_NAME_LEN] = '\0';
971 if (strlen(name) > MAX_PLAYER_NAME_LEN) // name has been cut
972 if (strchr(name_new, ' '))
973 *strchr(name_new, ' ') = '\0';
978 char *getDefaultUserName(int nr)
980 static char *user_name[MAX_PLAYER_NAMES] = { NULL };
982 nr = MIN(MAX(0, nr), MAX_PLAYER_NAMES - 1);
984 if (user_name[nr] == NULL)
986 user_name[nr] = (nr == 0 ? getLoginName() : EMPTY_PLAYER_NAME);
987 user_name[nr] = getFixedUserName(user_name[nr]);
990 return user_name[nr];
993 char *getTimestampFromEpoch(time_t epoch_seconds)
995 struct tm *now = localtime(&epoch_seconds);
996 static char timestamp[20];
998 sprintf(timestamp, "%04d%02d%02d-%02d%02d%02d",
999 now->tm_year + 1900, now->tm_mon + 1, now->tm_mday,
1000 now->tm_hour, now->tm_min, now->tm_sec);
1005 char *getCurrentTimestamp(void)
1007 return getTimestampFromEpoch(time(NULL));
1010 time_t getFileTimestampEpochSeconds(char *filename)
1012 struct stat file_status;
1014 if (stat(filename, &file_status) != 0) // cannot stat file
1017 return file_status.st_mtime;
1021 // ----------------------------------------------------------------------------
1022 // path manipulation functions
1023 // ----------------------------------------------------------------------------
1025 static char *getLastPathSeparatorPtr(char *filename)
1027 char *last_separator = strrchr(filename, CHAR_PATH_SEPARATOR_UNIX);
1029 if (last_separator == NULL) // also try DOS/Windows variant
1030 last_separator = strrchr(filename, CHAR_PATH_SEPARATOR_DOS);
1032 return last_separator;
1035 char *getBaseNamePtr(char *filename)
1037 char *last_separator = getLastPathSeparatorPtr(filename);
1039 if (last_separator != NULL)
1040 return last_separator + 1; // separator found: strip base path
1042 return filename; // no separator found: filename has no path
1045 char *getBaseName(char *filename)
1047 return getStringCopy(getBaseNamePtr(filename));
1050 char *getBaseNameNoSuffix(char *filename)
1052 char *basename = getStringCopy(getBaseNamePtr(filename));
1054 // remove trailing suffix (separated by dot or hyphen)
1055 if (basename[0] != '.' && basename[0] != '-')
1057 if (strchr(basename, '.') != NULL)
1058 *strchr(basename, '.') = '\0';
1060 if (strchr(basename, '-') != NULL)
1061 *strchr(basename, '-') = '\0';
1067 char *getBasePath(char *filename)
1069 char *basepath = getStringCopy(filename);
1070 char *last_separator = getLastPathSeparatorPtr(basepath);
1072 // if no separator was found, use current directory
1073 if (last_separator == NULL)
1077 return getStringCopy(".");
1080 // separator found: strip basename
1081 *last_separator = '\0';
1087 // ----------------------------------------------------------------------------
1088 // various string functions
1089 // ----------------------------------------------------------------------------
1091 char *getStringCat2WithSeparator(const char *s1,
1095 if (s1 == NULL || s2 == NULL || sep == NULL)
1098 char *complete_string = checked_malloc(strlen(s1) + strlen(sep) +
1101 sprintf(complete_string, "%s%s%s", s1, sep, s2);
1103 return complete_string;
1106 char *getStringCat3WithSeparator(const char *s1,
1111 if (s1 == NULL || s2 == NULL || s3 == NULL || sep == NULL)
1114 char *complete_string = checked_malloc(strlen(s1) + strlen(sep) +
1115 strlen(s2) + strlen(sep) +
1118 sprintf(complete_string, "%s%s%s%s%s", s1, sep, s2, sep, s3);
1120 return complete_string;
1123 char *getStringCat2(const char *s1, const char *s2)
1125 return getStringCat2WithSeparator(s1, s2, "");
1128 char *getStringCat3(const char *s1, const char *s2, const char *s3)
1130 return getStringCat3WithSeparator(s1, s2, s3, "");
1133 char *getPath2(const char *path1, const char *path2)
1135 #if defined(PLATFORM_ANDROID)
1136 // workaround for reading from assets directory -- skip "." subdirs in path
1137 if (strEqual(path1, "."))
1138 return getStringCopy(path2);
1139 else if (strEqual(path2, "."))
1140 return getStringCopy(path1);
1143 return getStringCat2WithSeparator(path1, path2, STRING_PATH_SEPARATOR);
1146 char *getPath3(const char *path1, const char *path2, const char *path3)
1148 #if defined(PLATFORM_ANDROID)
1149 // workaround for reading from assets directory -- skip "." subdirs in path
1150 if (strEqual(path1, "."))
1151 return getStringCat2WithSeparator(path2, path3, STRING_PATH_SEPARATOR);
1152 else if (strEqual(path2, "."))
1153 return getStringCat2WithSeparator(path1, path3, STRING_PATH_SEPARATOR);
1154 else if (strEqual(path3, "."))
1155 return getStringCat2WithSeparator(path1, path2, STRING_PATH_SEPARATOR);
1158 return getStringCat3WithSeparator(path1, path2, path3, STRING_PATH_SEPARATOR);
1161 static char *getPngOrPcxIfNotExists(char *filename)
1163 // switch from PNG to PCX file and vice versa, if file does not exist
1164 // (backwards compatibility with PCX files used in previous versions)
1166 if (!fileExists(filename) && strSuffix(filename, ".png"))
1167 strcpy(&filename[strlen(filename) - 3], "pcx");
1168 else if (!fileExists(filename) && strSuffix(filename, ".pcx"))
1169 strcpy(&filename[strlen(filename) - 3], "png");
1174 char *getImg2(const char *path1, const char *path2)
1176 return getPngOrPcxIfNotExists(getPath2(path1, path2));
1179 char *getImg3(const char *path1, const char *path2, const char *path3)
1181 return getPngOrPcxIfNotExists(getPath3(path1, path2, path3));
1184 char *getStringCopy(const char *s)
1191 s_copy = checked_malloc(strlen(s) + 1);
1197 char *getStringCopyN(const char *s, int n)
1200 int s_len = MAX(0, n);
1205 s_copy = checked_malloc(s_len + 1);
1206 strncpy(s_copy, s, s_len);
1207 s_copy[s_len] = '\0';
1212 char *getStringCopyNStatic(const char *s, int n)
1214 static char *s_copy = NULL;
1216 checked_free(s_copy);
1218 s_copy = getStringCopyN(s, n);
1223 char *getStringToUpper(const char *s)
1228 char *s_copy = checked_malloc(strlen(s) + 1);
1229 char *s_ptr = s_copy;
1232 *s_ptr++ = toupper(*s++);
1238 char *getStringToLower(const char *s)
1243 char *s_copy = checked_malloc(strlen(s) + 1);
1244 char *s_ptr = s_copy;
1247 *s_ptr++ = tolower(*s++);
1253 static char *getStringVPrint(char *format, va_list ap)
1255 char s[MAX_LINE_LEN];
1257 vsnprintf(s, MAX_LINE_LEN, format, ap); // may truncate output string
1259 return getStringCopy(s);
1262 char *getStringPrint(char *format, ...)
1267 va_start(ap, format);
1268 s = getStringVPrint(format, ap);
1274 void setStringPrint(char **s, char *format, ...)
1280 va_start(ap, format);
1281 *s = getStringVPrint(format, ap);
1285 void appendStringPrint(char **s_old, char *format, ...)
1290 va_start(ap, format);
1291 s_new = getStringVPrint(format, ap);
1294 char *s_combined = getStringCat2(*s_old, s_new);
1296 checked_free(*s_old);
1297 checked_free(s_new);
1299 *s_old = s_combined;
1302 void setString(char **old_value, const char *new_value)
1304 checked_free(*old_value);
1306 *old_value = getStringCopy(new_value);
1309 char **getSplitStringArray(const char *s, const char *separators, int max_tokens)
1311 const char *s_ptr, *s_last = s;
1312 byte separator_table[256] = { FALSE };
1314 char **tokens = NULL;
1319 if (separators == NULL)
1323 max_tokens = INT_MAX;
1325 // if string is empty, return empty array
1328 tokens = checked_malloc(sizeof(char *));
1334 // initialize separator table for all characters in separators string
1335 for (s_ptr = separators; *s_ptr != '\0'; s_ptr++)
1336 separator_table[*(byte *)s_ptr] = TRUE;
1338 // count number of tokens in string
1339 for (num_tokens = 1, s_ptr = s; *s_ptr != '\0'; s_ptr++)
1340 if (separator_table[*(byte *)s_ptr] && num_tokens < max_tokens)
1343 // allocate array for determined number of tokens
1344 tokens = checked_malloc((num_tokens + 1) * sizeof(char *));
1346 // copy all but last separated sub-strings to array
1347 for (num_tokens = 0, s_ptr = s; *s_ptr != '\0'; s_ptr++)
1349 if (separator_table[*(byte *)s_ptr] && num_tokens + 1 < max_tokens)
1351 tokens[num_tokens++] = getStringCopyN(s_last, s_ptr - s_last);
1356 // copy last separated sub-string to array
1357 tokens[num_tokens++] = getStringCopyN(s_last, s_ptr - s_last);
1360 tokens[num_tokens] = NULL;
1365 int getStringArrayLength(char **s_array)
1367 int num_strings = 0;
1369 if (s_array == NULL)
1372 while (s_array[num_strings] != NULL)
1378 void freeStringArray(char **s_array)
1382 if (s_array == NULL)
1385 for (i = 0; s_array[i] != NULL; i++)
1386 checked_free(s_array[i]);
1388 checked_free(s_array);
1391 char *getEscapedString(const char *s)
1393 const unsigned char *s_ptr = (unsigned char *)s;
1395 char *s_escaped_ptr;
1400 /* Each source byte needs maximally four target chars (\777) */
1401 s_escaped = checked_malloc(strlen(s) * 4 + 1);
1402 s_escaped_ptr = s_escaped;
1404 while (*s_ptr != '\0')
1409 *s_escaped_ptr++ = '\\';
1410 *s_escaped_ptr++ = 'b';
1414 *s_escaped_ptr++ = '\\';
1415 *s_escaped_ptr++ = 'f';
1419 *s_escaped_ptr++ = '\\';
1420 *s_escaped_ptr++ = 'n';
1424 *s_escaped_ptr++ = '\\';
1425 *s_escaped_ptr++ = 'r';
1429 *s_escaped_ptr++ = '\\';
1430 *s_escaped_ptr++ = 't';
1434 *s_escaped_ptr++ = '\\';
1435 *s_escaped_ptr++ = 'v';
1439 *s_escaped_ptr++ = '\\';
1440 *s_escaped_ptr++ = '\\';
1444 *s_escaped_ptr++ = '\\';
1445 *s_escaped_ptr++ = '"';
1449 if ((*s_ptr < ' ') || (*s_ptr >= 0177))
1451 *s_escaped_ptr++ = '\\';
1452 *s_escaped_ptr++ = '0' + (((*s_ptr) >> 6) & 07);
1453 *s_escaped_ptr++ = '0' + (((*s_ptr) >> 3) & 07);
1454 *s_escaped_ptr++ = '0' + ( (*s_ptr) & 07);
1458 *s_escaped_ptr++ = *s_ptr;
1466 *s_escaped_ptr = '\0';
1471 char *getUnescapedString(const char *s)
1473 const char *s_ptr = s;
1474 const char *octal_ptr;
1476 char *s_unescaped_ptr;
1481 s_unescaped = checked_malloc(strlen(s) + 1);
1482 s_unescaped_ptr = s_unescaped;
1484 while (*s_ptr != '\0')
1493 Warn("getUnescapedString: trailing \\");
1504 *s_unescaped_ptr = 0;
1507 while (s_ptr < octal_ptr + 3 && *s_ptr >= '0' && *s_ptr <= '7')
1509 *s_unescaped_ptr = (*s_unescaped_ptr * 8) + (*s_ptr - '0');
1518 *s_unescaped_ptr++ = '\b';
1522 *s_unescaped_ptr++ = '\f';
1526 *s_unescaped_ptr++ = '\n';
1530 *s_unescaped_ptr++ = '\r';
1534 *s_unescaped_ptr++ = '\t';
1538 *s_unescaped_ptr++ = '\v';
1542 /* also handles \" and \\ */
1543 *s_unescaped_ptr++ = *s_ptr;
1549 *s_unescaped_ptr++ = *s_ptr;
1556 *s_unescaped_ptr = '\0';
1561 char *chugString(char *s)
1568 for (start = (char *)s; *start && isspace(*start); start++)
1571 memmove(s, start, strlen(start) + 1);
1576 char *chompString(char *s)
1581 int len = strlen(s);
1585 if (isspace(s[len]))
1594 char *stripString(char *s)
1596 return chugString(chompString(s));
1599 boolean strEqual(const char *s1, const char *s2)
1601 return (s1 == NULL && s2 == NULL ? TRUE :
1602 s1 == NULL && s2 != NULL ? FALSE :
1603 s1 != NULL && s2 == NULL ? FALSE :
1604 strcmp(s1, s2) == 0);
1607 boolean strEqualN(const char *s1, const char *s2, int n)
1609 return (s1 == NULL && s2 == NULL ? TRUE :
1610 s1 == NULL && s2 != NULL ? FALSE :
1611 s1 != NULL && s2 == NULL ? FALSE :
1612 strncmp(s1, s2, n) == 0);
1615 boolean strEqualCase(const char *s1, const char *s2)
1617 return (s1 == NULL && s2 == NULL ? TRUE :
1618 s1 == NULL && s2 != NULL ? FALSE :
1619 s1 != NULL && s2 == NULL ? FALSE :
1620 strcasecmp(s1, s2) == 0);
1623 boolean strEqualCaseN(const char *s1, const char *s2, int n)
1625 return (s1 == NULL && s2 == NULL ? TRUE :
1626 s1 == NULL && s2 != NULL ? FALSE :
1627 s1 != NULL && s2 == NULL ? FALSE :
1628 strncasecmp(s1, s2, n) == 0);
1631 boolean strPrefix(const char *s, const char *prefix)
1633 return (s == NULL && prefix == NULL ? TRUE :
1634 s == NULL && prefix != NULL ? FALSE :
1635 s != NULL && prefix == NULL ? FALSE :
1636 strncmp(s, prefix, strlen(prefix)) == 0);
1639 boolean strSuffix(const char *s, const char *suffix)
1641 return (s == NULL && suffix == NULL ? TRUE :
1642 s == NULL && suffix != NULL ? FALSE :
1643 s != NULL && suffix == NULL ? FALSE :
1644 strlen(s) < strlen(suffix) ? FALSE :
1645 strcmp(&s[strlen(s) - strlen(suffix)], suffix) == 0);
1648 boolean strPrefixLower(const char *s, const char *prefix)
1650 char *s_lower = getStringToLower(s);
1651 boolean match = strPrefix(s_lower, prefix);
1658 boolean strSuffixLower(const char *s, const char *suffix)
1660 char *s_lower = getStringToLower(s);
1661 boolean match = strSuffix(s_lower, suffix);
1668 boolean isURL(const char *s)
1670 while (*s && *s >= 'a' && *s <= 'z')
1673 return strPrefix(s, "://");
1677 // ----------------------------------------------------------------------------
1678 // command line option handling functions
1679 // ----------------------------------------------------------------------------
1681 void GetOptions(int argc, char *argv[],
1682 void (*print_usage_function)(void),
1683 void (*print_version_function)(void))
1685 char *base_path = getProgramMainDataPath(argv[0], BASE_PATH);
1686 char **argvplus = checked_calloc((argc + 1) * sizeof(char **));
1687 char **options_left = &argvplus[1];
1689 // replace original "argv" with null-terminated array of string pointers
1691 argvplus[argc] = argv[argc];
1693 // initialize global program options
1694 options.server_host = NULL;
1695 options.server_port = 0;
1697 options.base_directory = base_path;
1699 options.level_directory = getPath2(base_path, LEVELS_DIRECTORY);
1700 options.graphics_directory = getPath2(base_path, GRAPHICS_DIRECTORY);
1701 options.sounds_directory = getPath2(base_path, SOUNDS_DIRECTORY);
1702 options.music_directory = getPath2(base_path, MUSIC_DIRECTORY);
1703 options.docs_directory = getPath2(base_path, DOCS_DIRECTORY);
1704 options.conf_directory = getPath2(base_path, CONF_DIRECTORY);
1706 options.execute_command = NULL;
1707 options.tape_log_filename = NULL;
1708 options.special_flags = NULL;
1709 options.debug_mode = NULL;
1710 options.player_name = NULL;
1711 options.identifier = NULL;
1712 options.level_nr = NULL;
1713 options.drop_file = NULL;
1715 options.display_nr = 0;
1717 options.mytapes = FALSE;
1718 options.serveronly = FALSE;
1719 options.network = FALSE;
1720 options.verbose = FALSE;
1721 options.debug = FALSE;
1724 options.verbose = TRUE;
1726 #if !defined(PLATFORM_UNIX)
1727 if (*options_left == NULL) // no options given -- enable verbose mode
1728 options.verbose = TRUE;
1733 #if defined(PLATFORM_ANDROID)
1734 options.debug = TRUE;
1738 while (*options_left)
1740 char option_str[MAX_OPTION_LEN];
1741 char *option = options_left[0];
1742 char *next_option = options_left[1];
1743 char *option_arg = NULL;
1744 int option_len = strlen(option);
1746 if (option_len >= MAX_OPTION_LEN)
1747 FailWithHelp("unrecognized option '%s'", option);
1749 strcpy(option_str, option); // copy argument into buffer
1750 option = option_str;
1752 if (strEqual(option, "--")) // stop scanning arguments
1755 if (strPrefix(option, "--")) // treat '--' like '-'
1758 option_arg = strchr(option, '=');
1759 if (option_arg == NULL) // no '=' in option
1760 option_arg = next_option;
1763 *option_arg++ = '\0'; // cut argument from option
1764 if (*option_arg == '\0') // no argument after '='
1765 FailWithHelp("option '%s' has invalid argument", option_str);
1768 option_len = strlen(option);
1770 if (strEqual(option, "-"))
1772 FailWithHelp("unrecognized option '%s'", option);
1774 else if (strncmp(option, "-help", option_len) == 0)
1776 print_usage_function();
1780 else if (strncmp(option, "-basepath", option_len) == 0)
1782 if (option_arg == NULL)
1783 FailWithHelp("option '%s' requires an argument", option_str);
1785 options.base_directory = base_path = getStringCopy(option_arg);
1786 if (option_arg == next_option)
1789 // adjust paths for sub-directories in base directory accordingly
1790 options.level_directory = getPath2(base_path, LEVELS_DIRECTORY);
1791 options.graphics_directory = getPath2(base_path, GRAPHICS_DIRECTORY);
1792 options.sounds_directory = getPath2(base_path, SOUNDS_DIRECTORY);
1793 options.music_directory = getPath2(base_path, MUSIC_DIRECTORY);
1794 options.docs_directory = getPath2(base_path, DOCS_DIRECTORY);
1795 options.conf_directory = getPath2(base_path, CONF_DIRECTORY);
1797 else if (strncmp(option, "-levels", option_len) == 0)
1799 if (option_arg == NULL)
1800 FailWithHelp("option '%s' requires an argument", option_str);
1802 options.level_directory = getStringCopy(option_arg);
1803 if (option_arg == next_option)
1806 else if (strncmp(option, "-graphics", option_len) == 0)
1808 if (option_arg == NULL)
1809 FailWithHelp("option '%s' requires an argument", option_str);
1811 options.graphics_directory = getStringCopy(option_arg);
1812 if (option_arg == next_option)
1815 else if (strncmp(option, "-sounds", option_len) == 0)
1817 if (option_arg == NULL)
1818 FailWithHelp("option '%s' requires an argument", option_str);
1820 options.sounds_directory = getStringCopy(option_arg);
1821 if (option_arg == next_option)
1824 else if (strncmp(option, "-music", option_len) == 0)
1826 if (option_arg == NULL)
1827 FailWithHelp("option '%s' requires an argument", option_str);
1829 options.music_directory = getStringCopy(option_arg);
1830 if (option_arg == next_option)
1833 else if (strncmp(option, "-mytapes", option_len) == 0)
1835 options.mytapes = TRUE;
1837 else if (strncmp(option, "-network", option_len) == 0)
1839 options.network = TRUE;
1841 else if (strncmp(option, "-serveronly", option_len) == 0)
1843 options.serveronly = TRUE;
1845 else if (strncmp(option, "-debug", option_len) == 0)
1847 options.debug = TRUE;
1849 // optionally, debug output can be limited to a specific debug mode
1850 if (option_arg != next_option)
1851 options.debug_mode = getStringCopy(option_arg);
1853 else if (strncmp(option, "-player-name", option_len) == 0)
1855 if (option_arg == NULL)
1856 FailWithHelp("option '%s' requires an argument", option_str);
1858 options.player_name = getStringCopy(option_arg);
1859 if (option_arg == next_option)
1862 else if (strncmp(option, "-identifier", option_len) == 0)
1864 if (option_arg == NULL)
1865 FailWithHelp("option '%s' requires an argument", option_str);
1867 options.identifier = getStringCopy(option_arg);
1868 if (option_arg == next_option)
1871 else if (strncmp(option, "-level-nr", option_len) == 0)
1873 if (option_arg == NULL)
1874 FailWithHelp("option '%s' requires an argument", option_str);
1876 options.level_nr = getStringCopy(option_arg);
1877 if (option_arg == next_option)
1880 else if (strncmp(option, "-drop-file", option_len) == 0)
1882 if (option_arg == NULL)
1883 FailWithHelp("option '%s' requires an argument", option_str);
1885 options.drop_file = getStringCopy(option_arg);
1886 if (option_arg == next_option)
1889 else if (strncmp(option, "-verbose", option_len) == 0)
1891 options.verbose = TRUE;
1893 else if (strncmp(option, "-version", option_len) == 0 ||
1894 strncmp(option, "-V", option_len) == 0)
1896 print_version_function();
1900 else if (strPrefix(option, "-D"))
1902 options.special_flags = getStringCopy(&option[2]);
1904 else if (strncmp(option, "-execute", option_len) == 0)
1906 if (option_arg == NULL)
1907 FailWithHelp("option '%s' requires an argument", option_str);
1909 options.execute_command = getStringCopy(option_arg);
1910 if (option_arg == next_option)
1913 // when doing batch processing, always enable verbose mode (warnings)
1914 options.verbose = TRUE;
1916 else if (strncmp(option, "-tape_logfile", option_len) == 0)
1918 if (option_arg == NULL)
1919 FailWithHelp("option '%s' requires an argument", option_str);
1921 options.tape_log_filename = getStringCopy(option_arg);
1922 if (option_arg == next_option)
1925 else if (strncmp(option, "-display", option_len) == 0)
1927 if (option_arg == NULL)
1928 FailWithHelp("option '%s' requires an argument", option_str);
1930 if (option_arg == next_option)
1933 int display_nr = atoi(option_arg);
1936 // dirty hack: SDL_GetNumVideoDisplays() seems broken on some systems
1937 options.display_nr = display_nr;
1939 options.display_nr =
1940 MAX(0, MIN(display_nr, SDL_GetNumVideoDisplays() - 1));
1942 if (display_nr != options.display_nr)
1943 Warn("invalid display %d -- using display %d",
1944 display_nr, options.display_nr);
1947 #if defined(PLATFORM_MAC)
1948 else if (strPrefix(option, "-psn"))
1950 // ignore process serial number when launched via GUI on Mac OS X
1953 else if (*option == '-')
1955 FailWithHelp("unrecognized option '%s'", option_str);
1957 else if (options.server_host == NULL)
1959 options.server_host = *options_left;
1961 else if (options.server_port == 0)
1963 options.server_port = atoi(*options_left);
1964 if (options.server_port < 1024)
1965 FailWithHelp("bad port number '%d'", options.server_port);
1968 FailWithHelp("too many arguments");
1975 // ----------------------------------------------------------------------------
1976 // checked memory allocation and freeing functions
1977 // ----------------------------------------------------------------------------
1979 void *checked_malloc(unsigned int size)
1986 Fail("cannot allocate %d bytes -- out of memory", size);
1991 void *checked_calloc(unsigned int size)
1995 ptr = calloc(1, size);
1998 Fail("cannot allocate %d bytes -- out of memory", size);
2003 void *checked_realloc(void *ptr, unsigned int size)
2005 ptr = realloc(ptr, size);
2008 Fail("cannot allocate %d bytes -- out of memory", size);
2013 void checked_free(void *ptr)
2015 if (ptr != NULL) // this check should be done by free() anyway
2019 void clear_mem(void *ptr, unsigned int size)
2021 #if defined(PLATFORM_WINDOWS)
2022 // for unknown reason, memset() sometimes crashes when compiled with MinGW
2023 char *cptr = (char *)ptr;
2028 memset(ptr, 0, size);
2032 void *get_memcpy(const void *m, size_t size)
2039 m_copy = checked_malloc(size);
2040 memcpy(m_copy, m, size);
2046 // ----------------------------------------------------------------------------
2047 // various helper functions
2048 // ----------------------------------------------------------------------------
2050 void swap_numbers(int *i1, int *i2)
2058 void swap_number_pairs(int *x1, int *y1, int *x2, int *y2)
2070 int get_number_of_bits(int bits)
2073 Counting bits set, Brian Kernighan's way
2075 Brian Kernighan's method goes through as many iterations as there are set
2076 bits. So if we have a 32-bit word with only the high bit set, then it will
2077 only go once through the loop.
2079 Published in 1988, the C Programming Language 2nd Ed. (by Brian W. Kernighan
2080 and Dennis M. Ritchie) mentions this in exercise 2-9.
2081 First published by Peter Wegner in CACM 3 (1960), 322.
2088 bits &= bits - 1; // clear the least significant bit set
2095 /* the "put" variants of the following file access functions check for the file
2096 pointer being != NULL and return the number of bytes they have or would have
2097 written; this allows for chunk writing functions to first determine the size
2098 of the (not yet written) chunk, write the correct chunk size and finally
2099 write the chunk itself */
2101 int getFile8BitInteger(File *file)
2103 return getByteFromFile(file);
2106 int putFile8BitInteger(FILE *file, int value)
2114 int getFile16BitInteger(File *file, int byte_order)
2116 if (byte_order == BYTE_ORDER_BIG_ENDIAN)
2117 return ((getByteFromFile(file) << 8) |
2118 (getByteFromFile(file) << 0));
2119 else // BYTE_ORDER_LITTLE_ENDIAN
2120 return ((getByteFromFile(file) << 0) |
2121 (getByteFromFile(file) << 8));
2124 int putFile16BitInteger(FILE *file, int value, int byte_order)
2128 if (byte_order == BYTE_ORDER_BIG_ENDIAN)
2130 fputc((value >> 8) & 0xff, file);
2131 fputc((value >> 0) & 0xff, file);
2133 else // BYTE_ORDER_LITTLE_ENDIAN
2135 fputc((value >> 0) & 0xff, file);
2136 fputc((value >> 8) & 0xff, file);
2143 int getFile32BitInteger(File *file, int byte_order)
2145 if (byte_order == BYTE_ORDER_BIG_ENDIAN)
2146 return ((getByteFromFile(file) << 24) |
2147 (getByteFromFile(file) << 16) |
2148 (getByteFromFile(file) << 8) |
2149 (getByteFromFile(file) << 0));
2150 else // BYTE_ORDER_LITTLE_ENDIAN
2151 return ((getByteFromFile(file) << 0) |
2152 (getByteFromFile(file) << 8) |
2153 (getByteFromFile(file) << 16) |
2154 (getByteFromFile(file) << 24));
2157 int putFile32BitInteger(FILE *file, int value, int byte_order)
2161 if (byte_order == BYTE_ORDER_BIG_ENDIAN)
2163 fputc((value >> 24) & 0xff, file);
2164 fputc((value >> 16) & 0xff, file);
2165 fputc((value >> 8) & 0xff, file);
2166 fputc((value >> 0) & 0xff, file);
2168 else // BYTE_ORDER_LITTLE_ENDIAN
2170 fputc((value >> 0) & 0xff, file);
2171 fputc((value >> 8) & 0xff, file);
2172 fputc((value >> 16) & 0xff, file);
2173 fputc((value >> 24) & 0xff, file);
2180 boolean getFileChunk(File *file, char *chunk_name, int *chunk_size,
2183 const int chunk_name_length = 4;
2186 if (getStringFromFile(file, chunk_name, chunk_name_length + 1) == NULL)
2189 if (chunk_size != NULL)
2192 *chunk_size = getFile32BitInteger(file, byte_order);
2195 return (checkEndOfFile(file) ? FALSE : TRUE);
2198 int putFileChunk(FILE *file, char *chunk_name, int chunk_size,
2205 fputs(chunk_name, file);
2207 num_bytes += strlen(chunk_name);
2209 if (chunk_size >= 0)
2213 putFile32BitInteger(file, chunk_size, byte_order);
2221 int getFileVersion(File *file)
2223 int version_super = getByteFromFile(file);
2224 int version_major = getByteFromFile(file);
2225 int version_minor = getByteFromFile(file);
2226 int version_patch = getByteFromFile(file);
2228 return VERSION_IDENT(version_super, version_major, version_minor,
2232 int putFileVersion(FILE *file, int version)
2236 int version_super = VERSION_SUPER(version);
2237 int version_major = VERSION_MAJOR(version);
2238 int version_minor = VERSION_MINOR(version);
2239 int version_patch = VERSION_PATCH(version);
2241 fputc(version_super, file);
2242 fputc(version_major, file);
2243 fputc(version_minor, file);
2244 fputc(version_patch, file);
2250 void ReadBytesFromFile(File *file, byte *buffer, unsigned int bytes)
2254 for (i = 0; i < bytes && !checkEndOfFile(file); i++)
2255 buffer[i] = getByteFromFile(file);
2258 void WriteBytesToFile(FILE *file, byte *buffer, unsigned int bytes)
2262 for (i = 0; i < bytes; i++)
2263 fputc(buffer[i], file);
2266 void ReadUnusedBytesFromFile(File *file, unsigned int bytes)
2268 while (bytes-- && !checkEndOfFile(file))
2269 getByteFromFile(file);
2272 void WriteUnusedBytesToFile(FILE *file, unsigned int bytes)
2279 // ----------------------------------------------------------------------------
2280 // functions to convert between ISO-8859-1 and UTF-8
2281 // ----------------------------------------------------------------------------
2283 char *getUTF8FromLatin1(char *latin1)
2285 int max_utf8_size = 2 * strlen(latin1) + 1;
2286 char *utf8 = checked_calloc(max_utf8_size);
2287 unsigned char *src = (unsigned char *)latin1;
2288 unsigned char *dst = (unsigned char *)utf8;
2292 if (*src < 128) // pure 7-bit ASCII
2296 else if (*src >= 160) // non-ASCII characters
2298 *dst++ = 194 + (*src >= 192);
2299 *dst++ = 128 + (*src & 63);
2301 else // undefined in ISO-8859-1
2309 // only use the smallest possible string buffer size
2310 utf8 = checked_realloc(utf8, strlen(utf8) + 1);
2315 char *getLatin1FromUTF8(char *utf8)
2317 int max_latin1_size = strlen(utf8) + 1;
2318 char *latin1 = checked_calloc(max_latin1_size);
2319 unsigned char *src = (unsigned char *)utf8;
2320 unsigned char *dst = (unsigned char *)latin1;
2324 if (*src < 128) // pure 7-bit ASCII
2328 else if (src[0] == 194 &&
2329 src[1] >= 128 && src[1] < 192) // non-ASCII characters
2334 else if (src[0] == 195 &&
2335 src[1] >= 128 && src[1] < 192) // non-ASCII characters
2337 *dst++ = src[1] + 64;
2341 // all other UTF-8 characters are undefined in ISO-8859-1
2343 else if (src[0] >= 192 && src[0] < 224 &&
2344 src[1] >= 128 && src[1] < 192)
2349 else if (src[0] >= 224 && src[0] < 240 &&
2350 src[1] >= 128 && src[1] < 192 &&
2351 src[2] >= 128 && src[2] < 192)
2356 else if (src[0] >= 240 && src[0] < 248 &&
2357 src[1] >= 128 && src[1] < 192 &&
2358 src[2] >= 128 && src[2] < 192 &&
2359 src[3] >= 128 && src[3] < 192)
2364 else if (src[0] >= 248 && src[0] < 252 &&
2365 src[1] >= 128 && src[1] < 192 &&
2366 src[2] >= 128 && src[2] < 192 &&
2367 src[3] >= 128 && src[3] < 192 &&
2368 src[4] >= 128 && src[4] < 192)
2373 else if (src[0] >= 252 && src[0] < 254 &&
2374 src[1] >= 128 && src[1] < 192 &&
2375 src[2] >= 128 && src[2] < 192 &&
2376 src[3] >= 128 && src[3] < 192 &&
2377 src[4] >= 128 && src[4] < 192 &&
2378 src[5] >= 128 && src[5] < 192)
2390 // only use the smallest possible string buffer size
2391 latin1 = checked_realloc(latin1, strlen(latin1) + 1);
2396 int getTextEncoding(char *text)
2398 unsigned char *src = (unsigned char *)text;
2399 int encoding = TEXT_ENCODING_ASCII; // default: assume encoding is ASCII
2404 encoding = TEXT_ENCODING_UTF_8; // non-ASCII character: assume UTF-8
2410 else if (src[0] >= 192 && src[0] < 224 &&
2411 src[1] >= 128 && src[1] < 192)
2415 else if (src[0] >= 224 && src[0] < 240 &&
2416 src[1] >= 128 && src[1] < 192 &&
2417 src[2] >= 128 && src[2] < 192)
2421 else if (src[0] >= 240 && src[0] < 248 &&
2422 src[1] >= 128 && src[1] < 192 &&
2423 src[2] >= 128 && src[2] < 192 &&
2424 src[3] >= 128 && src[3] < 192)
2428 else if (src[0] >= 248 && src[0] < 252 &&
2429 src[1] >= 128 && src[1] < 192 &&
2430 src[2] >= 128 && src[2] < 192 &&
2431 src[3] >= 128 && src[3] < 192 &&
2432 src[4] >= 128 && src[4] < 192)
2436 else if (src[0] >= 252 && src[0] < 254 &&
2437 src[1] >= 128 && src[1] < 192 &&
2438 src[2] >= 128 && src[2] < 192 &&
2439 src[3] >= 128 && src[3] < 192 &&
2440 src[4] >= 128 && src[4] < 192 &&
2441 src[5] >= 128 && src[5] < 192)
2447 return TEXT_ENCODING_UNKNOWN; // non-UTF-8 character: unknown encoding
2455 // ----------------------------------------------------------------------------
2456 // functions for JSON handling
2457 // ----------------------------------------------------------------------------
2459 char *getEscapedJSON(char *s)
2461 int max_json_size = 2 * strlen(s) + 1;
2462 char *json = checked_calloc(max_json_size);
2463 unsigned char *src = (unsigned char *)s;
2464 unsigned char *dst = (unsigned char *)json;
2465 char *escaped[256] =
2478 if (escaped[*src] != NULL)
2480 char *esc = escaped[*src++];
2491 // only use the smallest possible string buffer size
2492 json = checked_realloc(json, strlen(json) + 1);
2498 // ----------------------------------------------------------------------------
2499 // functions to translate key identifiers between different format
2500 // ----------------------------------------------------------------------------
2502 #define TRANSLATE_KEYSYM_TO_KEYNAME 0
2503 #define TRANSLATE_KEYSYM_TO_X11KEYNAME 1
2504 #define TRANSLATE_KEYNAME_TO_KEYSYM 2
2505 #define TRANSLATE_X11KEYNAME_TO_KEYSYM 3
2507 static void translate_keyname(Key *keysym, char **x11name, char **name, int mode)
2516 // return and escape keys
2517 { KSYM_Return, "XK_Return", "return" },
2518 { KSYM_Escape, "XK_Escape", "escape" },
2520 // normal cursor keys
2521 { KSYM_Left, "XK_Left", "cursor left" },
2522 { KSYM_Right, "XK_Right", "cursor right" },
2523 { KSYM_Up, "XK_Up", "cursor up" },
2524 { KSYM_Down, "XK_Down", "cursor down" },
2526 // keypad cursor keys
2528 { KSYM_KP_Left, "XK_KP_Left", "keypad left" },
2529 { KSYM_KP_Right, "XK_KP_Right", "keypad right" },
2530 { KSYM_KP_Up, "XK_KP_Up", "keypad up" },
2531 { KSYM_KP_Down, "XK_KP_Down", "keypad down" },
2534 // other keypad keys
2535 #ifdef KSYM_KP_Enter
2536 { KSYM_KP_Enter, "XK_KP_Enter", "keypad enter" },
2537 { KSYM_KP_Add, "XK_KP_Add", "keypad +" },
2538 { KSYM_KP_Subtract, "XK_KP_Subtract", "keypad -" },
2539 { KSYM_KP_Multiply, "XK_KP_Multiply", "keypad mltply" },
2540 { KSYM_KP_Divide, "XK_KP_Divide", "keypad /" },
2541 { KSYM_KP_Separator,"XK_KP_Separator", "keypad ," },
2545 { KSYM_Shift_L, "XK_Shift_L", "left shift" },
2546 { KSYM_Shift_R, "XK_Shift_R", "right shift" },
2547 { KSYM_Control_L, "XK_Control_L", "left control" },
2548 { KSYM_Control_R, "XK_Control_R", "right control" },
2549 { KSYM_Meta_L, "XK_Meta_L", "left meta" },
2550 { KSYM_Meta_R, "XK_Meta_R", "right meta" },
2551 { KSYM_Alt_L, "XK_Alt_L", "left alt" },
2552 { KSYM_Alt_R, "XK_Alt_R", "right alt" },
2553 { KSYM_Mode_switch, "XK_Mode_switch", "mode switch" }, // Alt-R
2554 { KSYM_Multi_key, "XK_Multi_key", "multi key" }, // Ctrl-R
2556 // some special keys
2557 { KSYM_BackSpace, "XK_BackSpace", "backspace" },
2558 { KSYM_Delete, "XK_Delete", "delete" },
2559 { KSYM_Insert, "XK_Insert", "insert" },
2560 { KSYM_Tab, "XK_Tab", "tab" },
2561 { KSYM_Home, "XK_Home", "home" },
2562 { KSYM_End, "XK_End", "end" },
2563 { KSYM_Page_Up, "XK_Page_Up", "page up" },
2564 { KSYM_Page_Down, "XK_Page_Down", "page down" },
2566 { KSYM_Select, "XK_Select", "select" },
2567 { KSYM_Menu, "XK_Menu", "menu" }, // menu key
2568 { KSYM_Back, "XK_Back", "back" }, // back key
2569 { KSYM_PlayPause, "XK_PlayPause", "play/pause" },
2570 #if defined(PLATFORM_ANDROID)
2571 { KSYM_Rewind, "XK_Rewind", "rewind" },
2572 { KSYM_FastForward, "XK_FastForward", "fast forward" },
2575 // ASCII 0x20 to 0x40 keys (except numbers)
2576 { KSYM_space, "XK_space", "space" },
2577 { KSYM_exclam, "XK_exclam", "!" },
2578 { KSYM_quotedbl, "XK_quotedbl", "\"" },
2579 { KSYM_numbersign, "XK_numbersign", "#" },
2580 { KSYM_dollar, "XK_dollar", "$" },
2581 { KSYM_percent, "XK_percent", "%" },
2582 { KSYM_ampersand, "XK_ampersand", "&" },
2583 { KSYM_apostrophe, "XK_apostrophe", "'" },
2584 { KSYM_parenleft, "XK_parenleft", "(" },
2585 { KSYM_parenright, "XK_parenright", ")" },
2586 { KSYM_asterisk, "XK_asterisk", "*" },
2587 { KSYM_plus, "XK_plus", "+" },
2588 { KSYM_comma, "XK_comma", "," },
2589 { KSYM_minus, "XK_minus", "-" },
2590 { KSYM_period, "XK_period", "." },
2591 { KSYM_slash, "XK_slash", "/" },
2592 { KSYM_colon, "XK_colon", ":" },
2593 { KSYM_semicolon, "XK_semicolon", ";" },
2594 { KSYM_less, "XK_less", "<" },
2595 { KSYM_equal, "XK_equal", "=" },
2596 { KSYM_greater, "XK_greater", ">" },
2597 { KSYM_question, "XK_question", "?" },
2598 { KSYM_at, "XK_at", "@" },
2601 { KSYM_bracketleft, "XK_bracketleft", "[" },
2602 { KSYM_backslash, "XK_backslash", "\\" },
2603 { KSYM_bracketright,"XK_bracketright", "]" },
2604 { KSYM_asciicircum, "XK_asciicircum", "^" },
2605 { KSYM_underscore, "XK_underscore", "_" },
2606 { KSYM_grave, "XK_grave", "grave" },
2607 { KSYM_quoteleft, "XK_quoteleft", "quote left" },
2608 { KSYM_braceleft, "XK_braceleft", "brace left" },
2609 { KSYM_bar, "XK_bar", "bar" },
2610 { KSYM_braceright, "XK_braceright", "brace right" },
2611 { KSYM_asciitilde, "XK_asciitilde", "~" },
2613 // special (non-ASCII) keys
2614 { KSYM_degree, "XK_degree", "degree" },
2615 { KSYM_Adiaeresis, "XK_Adiaeresis", "A umlaut" },
2616 { KSYM_Odiaeresis, "XK_Odiaeresis", "O umlaut" },
2617 { KSYM_Udiaeresis, "XK_Udiaeresis", "U umlaut" },
2618 { KSYM_adiaeresis, "XK_adiaeresis", "a umlaut" },
2619 { KSYM_odiaeresis, "XK_odiaeresis", "o umlaut" },
2620 { KSYM_udiaeresis, "XK_udiaeresis", "u umlaut" },
2621 { KSYM_ssharp, "XK_ssharp", "sharp s" },
2623 // special (non-ASCII) keys (UTF-8, for reverse mapping only)
2624 { KSYM_degree, "XK_degree", "\xc2\xb0" },
2625 { KSYM_Adiaeresis, "XK_Adiaeresis", "\xc3\x84" },
2626 { KSYM_Odiaeresis, "XK_Odiaeresis", "\xc3\x96" },
2627 { KSYM_Udiaeresis, "XK_Udiaeresis", "\xc3\x9c" },
2628 { KSYM_adiaeresis, "XK_adiaeresis", "\xc3\xa4" },
2629 { KSYM_odiaeresis, "XK_odiaeresis", "\xc3\xb6" },
2630 { KSYM_udiaeresis, "XK_udiaeresis", "\xc3\xbc" },
2631 { KSYM_ssharp, "XK_ssharp", "\xc3\x9f" },
2633 // other keys (for reverse mapping only)
2634 { KSYM_space, "XK_space", " " },
2636 // keypad keys are not in numerical order in SDL2
2637 { KSYM_KP_0, "XK_KP_0", "keypad 0" },
2638 { KSYM_KP_1, "XK_KP_1", "keypad 1" },
2639 { KSYM_KP_2, "XK_KP_2", "keypad 2" },
2640 { KSYM_KP_3, "XK_KP_3", "keypad 3" },
2641 { KSYM_KP_4, "XK_KP_4", "keypad 4" },
2642 { KSYM_KP_5, "XK_KP_5", "keypad 5" },
2643 { KSYM_KP_6, "XK_KP_6", "keypad 6" },
2644 { KSYM_KP_7, "XK_KP_7", "keypad 7" },
2645 { KSYM_KP_8, "XK_KP_8", "keypad 8" },
2646 { KSYM_KP_9, "XK_KP_9", "keypad 9" },
2648 // end-of-array identifier
2654 if (mode == TRANSLATE_KEYSYM_TO_KEYNAME)
2656 static char name_buffer[30];
2659 if (key >= KSYM_A && key <= KSYM_Z)
2660 sprintf(name_buffer, "%c", 'A' + (char)(key - KSYM_A));
2661 else if (key >= KSYM_a && key <= KSYM_z)
2662 sprintf(name_buffer, "%c", 'a' + (char)(key - KSYM_a));
2663 else if (key >= KSYM_0 && key <= KSYM_9)
2664 sprintf(name_buffer, "%c", '0' + (char)(key - KSYM_0));
2665 else if (key >= KSYM_FKEY_FIRST && key <= KSYM_FKEY_LAST)
2666 sprintf(name_buffer, "F%d", (int)(key - KSYM_FKEY_FIRST + 1));
2667 else if (key == KSYM_UNDEFINED)
2668 strcpy(name_buffer, "(undefined)");
2675 if (key == translate_key[i].key)
2677 strcpy(name_buffer, translate_key[i].name);
2681 while (translate_key[++i].name);
2683 if (!translate_key[i].name)
2684 strcpy(name_buffer, "(unknown)");
2687 *name = name_buffer;
2689 else if (mode == TRANSLATE_KEYSYM_TO_X11KEYNAME)
2691 static char name_buffer[30];
2694 if (key >= KSYM_A && key <= KSYM_Z)
2695 sprintf(name_buffer, "XK_%c", 'A' + (char)(key - KSYM_A));
2696 else if (key >= KSYM_a && key <= KSYM_z)
2697 sprintf(name_buffer, "XK_%c", 'a' + (char)(key - KSYM_a));
2698 else if (key >= KSYM_0 && key <= KSYM_9)
2699 sprintf(name_buffer, "XK_%c", '0' + (char)(key - KSYM_0));
2700 else if (key >= KSYM_FKEY_FIRST && key <= KSYM_FKEY_LAST)
2701 sprintf(name_buffer, "XK_F%d", (int)(key - KSYM_FKEY_FIRST + 1));
2702 else if (key == KSYM_UNDEFINED)
2703 strcpy(name_buffer, "[undefined]");
2710 if (key == translate_key[i].key)
2712 strcpy(name_buffer, translate_key[i].x11name);
2716 while (translate_key[++i].x11name);
2718 if (!translate_key[i].x11name)
2719 sprintf(name_buffer, "0x%04x", (unsigned int)key);
2722 *x11name = name_buffer;
2724 else if (mode == TRANSLATE_KEYNAME_TO_KEYSYM)
2726 Key key = KSYM_UNDEFINED;
2727 char *name_ptr = *name;
2729 if (strlen(*name) == 1)
2731 char c = name_ptr[0];
2733 if (c >= 'A' && c <= 'Z')
2734 key = KSYM_A + (Key)(c - 'A');
2735 else if (c >= 'a' && c <= 'z')
2736 key = KSYM_a + (Key)(c - 'a');
2737 else if (c >= '0' && c <= '9')
2738 key = KSYM_0 + (Key)(c - '0');
2741 if (key == KSYM_UNDEFINED)
2747 if (strEqual(translate_key[i].name, *name))
2749 key = translate_key[i].key;
2753 while (translate_key[++i].x11name);
2756 if (key == KSYM_UNDEFINED)
2757 Warn("getKeyFromKeyName(): not completely implemented");
2761 else if (mode == TRANSLATE_X11KEYNAME_TO_KEYSYM)
2763 Key key = KSYM_UNDEFINED;
2764 char *name_ptr = *x11name;
2766 if (strPrefix(name_ptr, "XK_") && strlen(name_ptr) == 4)
2768 char c = name_ptr[3];
2770 if (c >= 'A' && c <= 'Z')
2771 key = KSYM_A + (Key)(c - 'A');
2772 else if (c >= 'a' && c <= 'z')
2773 key = KSYM_a + (Key)(c - 'a');
2774 else if (c >= '0' && c <= '9')
2775 key = KSYM_0 + (Key)(c - '0');
2777 else if (strPrefix(name_ptr, "XK_F") && strlen(name_ptr) <= 6)
2779 char c1 = name_ptr[4];
2780 char c2 = name_ptr[5];
2783 if ((c1 >= '0' && c1 <= '9') &&
2784 ((c2 >= '0' && c1 <= '9') || c2 == '\0'))
2785 d = atoi(&name_ptr[4]);
2787 if (d >= 1 && d <= KSYM_NUM_FKEYS)
2788 key = KSYM_F1 + (Key)(d - 1);
2790 else if (strPrefix(name_ptr, "XK_"))
2796 if (strEqual(name_ptr, translate_key[i].x11name))
2798 key = translate_key[i].key;
2802 while (translate_key[++i].x11name);
2804 else if (strPrefix(name_ptr, "0x"))
2806 unsigned int value = 0;
2812 char c = *name_ptr++;
2815 if (c >= '0' && c <= '9')
2817 else if (c >= 'a' && c <= 'f')
2818 d = (int)(c - 'a' + 10);
2819 else if (c >= 'A' && c <= 'F')
2820 d = (int)(c - 'A' + 10);
2828 value = value * 16 + d;
2839 char *getKeyNameFromKey(Key key)
2843 translate_keyname(&key, NULL, &name, TRANSLATE_KEYSYM_TO_KEYNAME);
2847 char *getX11KeyNameFromKey(Key key)
2851 translate_keyname(&key, &x11name, NULL, TRANSLATE_KEYSYM_TO_X11KEYNAME);
2855 Key getKeyFromKeyName(char *name)
2859 translate_keyname(&key, NULL, &name, TRANSLATE_KEYNAME_TO_KEYSYM);
2863 Key getKeyFromX11KeyName(char *x11name)
2867 translate_keyname(&key, &x11name, NULL, TRANSLATE_X11KEYNAME_TO_KEYSYM);
2871 char getCharFromKey(Key key)
2877 } translate_key_char[] =
2879 // special (non-ASCII) keys (ISO-8859-1)
2880 { KSYM_degree, CHAR_BYTE_DEGREE },
2881 { KSYM_Adiaeresis, CHAR_BYTE_UMLAUT_A },
2882 { KSYM_Odiaeresis, CHAR_BYTE_UMLAUT_O },
2883 { KSYM_Udiaeresis, CHAR_BYTE_UMLAUT_U },
2884 { KSYM_adiaeresis, CHAR_BYTE_UMLAUT_a },
2885 { KSYM_odiaeresis, CHAR_BYTE_UMLAUT_o },
2886 { KSYM_udiaeresis, CHAR_BYTE_UMLAUT_u },
2887 { KSYM_ssharp, CHAR_BYTE_SHARP_S },
2889 // end-of-array identifier
2893 char *keyname = getKeyNameFromKey(key);
2896 if (strlen(keyname) == 1)
2898 else if (strEqual(keyname, "space"))
2906 if (key == translate_key_char[i].key)
2908 c = translate_key_char[i].key_char;
2913 while (translate_key_char[++i].key_char);
2919 char getValidConfigValueChar(char c)
2921 if (c == '#' || // used to mark comments
2922 c == '\\') // used to mark continued lines
2929 // ----------------------------------------------------------------------------
2930 // functions to translate string identifiers to integer or boolean value
2931 // ----------------------------------------------------------------------------
2933 int get_integer_from_string(char *s)
2935 // check for the most common case first
2936 if (s[0] >= '0' && s[0] <= '9')
2939 char *s_lower = getStringToLower(s);
2942 if (strEqual(s_lower, "false") ||
2943 strEqual(s_lower, "no") ||
2944 strEqual(s_lower, "off"))
2946 else if (strEqual(s_lower, "true") ||
2947 strEqual(s_lower, "yes") ||
2948 strEqual(s_lower, "on"))
2958 boolean get_boolean_from_string(char *s)
2960 char *s_lower = getStringToLower(s);
2961 boolean result = FALSE;
2963 if (strEqual(s_lower, "true") ||
2964 strEqual(s_lower, "yes") ||
2965 strEqual(s_lower, "on") ||
2966 get_integer_from_string(s) == 1)
2974 int get_switch_3_state_from_string(char *s)
2976 char *s_lower = getStringToLower(s);
2979 if (strEqual(s_lower, "true") ||
2980 strEqual(s_lower, "yes") ||
2981 strEqual(s_lower, "on") ||
2982 get_integer_from_string(s) == 1)
2984 else if (strEqual(s_lower, "auto"))
2985 result = STATE_AUTO;
2986 else if (strEqual(s_lower, "ask"))
2994 int get_player_nr_from_string(char *s)
2996 static char *player_text[] =
3006 char *s_lower = getStringToLower(s);
3010 for (i = 0; player_text[i] != NULL; i++)
3011 if (strEqual(s_lower, player_text[i]))
3020 // ----------------------------------------------------------------------------
3021 // functions for generic lists
3022 // ----------------------------------------------------------------------------
3024 ListNode *newListNode(void)
3026 return checked_calloc(sizeof(ListNode));
3029 void addNodeToList(ListNode **node_first, char *key, void *content)
3031 ListNode *node_new = newListNode();
3033 node_new->key = getStringCopy(key);
3034 node_new->content = content;
3035 node_new->next = *node_first;
3038 (*node_first)->prev = node_new;
3040 *node_first = node_new;
3043 void deleteNodeFromList(ListNode **node_first, char *key,
3044 void (*destructor_function)(void *))
3046 if (node_first == NULL || *node_first == NULL)
3049 if (strEqual((*node_first)->key, key))
3051 // after first recursion, (*node_first)->prev->next == *node_first,
3052 // so *node_first would be overwritten with (*node_first)->next
3053 // => use a copy of *node_first (and later of (*node_first)->next)
3054 ListNode *node = *node_first;
3055 ListNode *node_next = node->next;
3057 checked_free(node->key);
3059 if (destructor_function)
3060 destructor_function(node->content);
3063 node->prev->next = node->next;
3066 node->next->prev = node->prev;
3070 // after removing node, set list pointer to next valid list node
3071 // (this is important if the first node of the list was deleted)
3072 *node_first = node_next;
3076 deleteNodeFromList(&(*node_first)->next, key, destructor_function);
3080 ListNode *getNodeFromKey(ListNode *node_first, char *key)
3082 if (node_first == NULL)
3085 if (strEqual(node_first->key, key))
3088 return getNodeFromKey(node_first->next, key);
3091 int getNumNodes(ListNode *node_first)
3093 return (node_first ? 1 + getNumNodes(node_first->next) : 0);
3097 static void dumpList(ListNode *node_first)
3099 ListNode *node = node_first;
3103 Debug("internal:dumpList", "['%s' (%d)]", node->key,
3104 ((struct ListNodeInfo *)node->content)->num_references);
3108 Debug("internal:dumpList", "[%d nodes]", getNumNodes(node_first));
3113 // ----------------------------------------------------------------------------
3114 // functions for file handling
3115 // ----------------------------------------------------------------------------
3117 #define MAX_BUFFER_SIZE 4096
3119 File *openFile(const char *filename, const char *mode)
3121 File *file = checked_calloc(sizeof(File));
3123 file->file = fopen(filename, mode);
3125 if (file->file != NULL)
3127 file->filename = getStringCopy(filename);
3132 #if defined(PLATFORM_ANDROID)
3133 file->asset_file = SDL_RWFromFile(filename, mode);
3135 if (file->asset_file != NULL)
3137 file->file_is_asset = TRUE;
3138 file->filename = getStringCopy(filename);
3149 int closeFile(File *file)
3156 #if defined(PLATFORM_ANDROID)
3157 if (file->asset_file)
3158 result = SDL_RWclose(file->asset_file);
3162 result = fclose(file->file);
3164 checked_free(file->filename);
3170 int checkEndOfFile(File *file)
3172 #if defined(PLATFORM_ANDROID)
3173 if (file->file_is_asset)
3174 return file->end_of_file;
3177 return feof(file->file);
3180 size_t readFile(File *file, void *buffer, size_t item_size, size_t num_items)
3182 #if defined(PLATFORM_ANDROID)
3183 if (file->file_is_asset)
3185 if (file->end_of_file)
3188 size_t num_items_read =
3189 SDL_RWread(file->asset_file, buffer, item_size, num_items);
3191 if (num_items_read < num_items)
3192 file->end_of_file = TRUE;
3194 return num_items_read;
3198 return fread(buffer, item_size, num_items, file->file);
3201 size_t writeFile(File *file, void *buffer, size_t item_size, size_t num_items)
3203 return fwrite(buffer, item_size, num_items, file->file);
3206 int seekFile(File *file, long offset, int whence)
3208 #if defined(PLATFORM_ANDROID)
3209 if (file->file_is_asset)
3211 int sdl_whence = (whence == SEEK_SET ? RW_SEEK_SET :
3212 whence == SEEK_CUR ? RW_SEEK_CUR :
3213 whence == SEEK_END ? RW_SEEK_END : 0);
3215 return (SDL_RWseek(file->asset_file, offset, sdl_whence) == -1 ? -1 : 0);
3219 return fseek(file->file, offset, whence);
3222 int getByteFromFile(File *file)
3224 #if defined(PLATFORM_ANDROID)
3225 if (file->file_is_asset)
3227 if (file->end_of_file)
3231 size_t num_bytes_read = SDL_RWread(file->asset_file, &c, 1, 1);
3233 if (num_bytes_read < 1)
3234 file->end_of_file = TRUE;
3236 return (file->end_of_file ? EOF : (int)c);
3240 return fgetc(file->file);
3243 char *getStringFromFile(File *file, char *line, int size)
3245 #if defined(PLATFORM_ANDROID)
3246 if (file->file_is_asset)
3248 if (file->end_of_file)
3251 char *line_ptr = line;
3252 int num_bytes_read = 0;
3254 while (num_bytes_read < size - 1 &&
3255 SDL_RWread(file->asset_file, line_ptr, 1, 1) == 1 &&
3256 *line_ptr++ != '\n')
3261 if (strlen(line) == 0)
3263 file->end_of_file = TRUE;
3272 return fgets(line, size, file->file);
3275 int copyFile(const char *filename_from, const char *filename_to)
3277 File *file_from, *file_to;
3279 if ((file_from = openFile(filename_from, MODE_READ)) == NULL)
3284 if ((file_to = openFile(filename_to, MODE_WRITE)) == NULL)
3286 closeFile(file_from);
3291 while (!checkEndOfFile(file_from))
3293 byte buffer[MAX_BUFFER_SIZE];
3294 size_t bytes_read = readFile(file_from, buffer, 1, MAX_BUFFER_SIZE);
3296 writeFile(file_to, buffer, 1, bytes_read);
3299 closeFile(file_from);
3305 boolean touchFile(const char *filename)
3309 if (!(file = fopen(filename, MODE_WRITE)))
3311 Warn("cannot touch file '%s'", filename);
3322 // ----------------------------------------------------------------------------
3323 // functions for directory handling
3324 // ----------------------------------------------------------------------------
3326 Directory *openDirectory(char *dir_name)
3328 Directory *dir = checked_calloc(sizeof(Directory));
3330 dir->dir = opendir(dir_name);
3332 if (dir->dir != NULL)
3334 dir->filename = getStringCopy(dir_name);
3339 #if defined(PLATFORM_ANDROID)
3340 char *asset_toc_filename = getPath2(dir_name, ASSET_TOC_BASENAME);
3342 dir->asset_toc_file = SDL_RWFromFile(asset_toc_filename, MODE_READ);
3344 checked_free(asset_toc_filename);
3346 if (dir->asset_toc_file != NULL)
3348 dir->directory_is_asset = TRUE;
3349 dir->filename = getStringCopy(dir_name);
3360 int closeDirectory(Directory *dir)
3367 #if defined(PLATFORM_ANDROID)
3368 if (dir->asset_toc_file)
3369 result = SDL_RWclose(dir->asset_toc_file);
3373 result = closedir(dir->dir);
3376 freeDirectoryEntry(dir->dir_entry);
3378 checked_free(dir->filename);
3384 DirectoryEntry *readDirectory(Directory *dir)
3387 freeDirectoryEntry(dir->dir_entry);
3389 dir->dir_entry = NULL;
3391 #if defined(PLATFORM_ANDROID)
3392 if (dir->directory_is_asset)
3394 char line[MAX_LINE_LEN];
3395 char *line_ptr = line;
3396 int num_bytes_read = 0;
3398 while (num_bytes_read < MAX_LINE_LEN - 1 &&
3399 SDL_RWread(dir->asset_toc_file, line_ptr, 1, 1) == 1 &&
3408 if (strlen(line) == 0)
3411 dir->dir_entry = checked_calloc(sizeof(DirectoryEntry));
3413 dir->dir_entry->is_directory = FALSE;
3414 if (line[strlen(line) - 1] == '/')
3416 dir->dir_entry->is_directory = TRUE;
3418 line[strlen(line) - 1] = '\0';
3421 dir->dir_entry->basename = getStringCopy(line);
3422 dir->dir_entry->filename = getPath2(dir->filename, line);
3424 return dir->dir_entry;
3428 struct dirent *dir_entry = readdir(dir->dir);
3430 if (dir_entry == NULL)
3433 dir->dir_entry = checked_calloc(sizeof(DirectoryEntry));
3435 dir->dir_entry->basename = getStringCopy(dir_entry->d_name);
3436 dir->dir_entry->filename = getPath2(dir->filename, dir_entry->d_name);
3438 struct stat file_status;
3440 dir->dir_entry->is_directory =
3441 (stat(dir->dir_entry->filename, &file_status) == 0 &&
3442 S_ISDIR(file_status.st_mode));
3444 return dir->dir_entry;
3447 void freeDirectoryEntry(DirectoryEntry *dir_entry)
3449 if (dir_entry == NULL)
3452 checked_free(dir_entry->basename);
3453 checked_free(dir_entry->filename);
3454 checked_free(dir_entry);
3458 // ----------------------------------------------------------------------------
3459 // functions for checking files and filenames
3460 // ----------------------------------------------------------------------------
3462 boolean directoryExists(const char *dir_name)
3464 if (dir_name == NULL)
3467 struct stat file_status;
3468 boolean success = (stat(dir_name, &file_status) == 0 &&
3469 S_ISDIR(file_status.st_mode));
3471 #if defined(PLATFORM_ANDROID)
3474 // this might be an asset directory; check by trying to open toc file
3475 char *asset_toc_filename = getPath2(dir_name, ASSET_TOC_BASENAME);
3476 SDL_RWops *file = SDL_RWFromFile(asset_toc_filename, MODE_READ);
3478 checked_free(asset_toc_filename);
3480 success = (file != NULL);
3490 boolean fileExists(const char *filename)
3492 if (filename == NULL)
3495 boolean success = (access(filename, F_OK) == 0);
3497 #if defined(PLATFORM_ANDROID)
3500 // this might be an asset file; check by trying to open it
3501 SDL_RWops *file = SDL_RWFromFile(filename, MODE_READ);
3503 success = (file != NULL);
3514 static boolean fileHasPrefix(const char *basename, const char *prefix)
3516 static char *basename_lower = NULL;
3517 int basename_length, prefix_length;
3519 checked_free(basename_lower);
3521 if (basename == NULL || prefix == NULL)
3524 basename_lower = getStringToLower(basename);
3525 basename_length = strlen(basename_lower);
3526 prefix_length = strlen(prefix);
3528 if (basename_length > prefix_length + 1 &&
3529 basename_lower[prefix_length] == '.' &&
3530 strncmp(basename_lower, prefix, prefix_length) == 0)
3537 static boolean fileHasSuffix(const char *basename, const char *suffix)
3539 static char *basename_lower = NULL;
3540 int basename_length, suffix_length;
3542 checked_free(basename_lower);
3544 if (basename == NULL || suffix == NULL)
3547 basename_lower = getStringToLower(basename);
3548 basename_length = strlen(basename_lower);
3549 suffix_length = strlen(suffix);
3551 if (basename_length > suffix_length + 1 &&
3552 basename_lower[basename_length - suffix_length - 1] == '.' &&
3553 strEqual(&basename_lower[basename_length - suffix_length], suffix))
3559 static boolean FileCouldBeArtwork(char *filename)
3561 char *basename = getBaseNamePtr(filename);
3563 return (!strEqual(basename, ".") &&
3564 !strEqual(basename, "..") &&
3565 !fileHasSuffix(basename, "txt") &&
3566 !fileHasSuffix(basename, "conf") &&
3567 !directoryExists(filename));
3570 boolean FileIsGraphic(char *filename)
3572 return FileCouldBeArtwork(filename);
3575 boolean FileIsSound(char *filename)
3577 return FileCouldBeArtwork(filename);
3580 boolean FileIsMusic(char *filename)
3582 return FileCouldBeArtwork(filename);
3585 boolean FileIsArtworkType(char *filename, int type)
3587 if ((type == TREE_TYPE_GRAPHICS_DIR && FileIsGraphic(filename)) ||
3588 (type == TREE_TYPE_SOUNDS_DIR && FileIsSound(filename)) ||
3589 (type == TREE_TYPE_MUSIC_DIR && FileIsMusic(filename)))
3595 // ----------------------------------------------------------------------------
3596 // functions for loading artwork configuration information
3597 // ----------------------------------------------------------------------------
3599 char *get_mapped_token(char *token)
3601 // !!! make this dynamically configurable (init.c:InitArtworkConfig) !!!
3602 static char *map_token_prefix[][2] =
3604 { "char_procent", "char_percent" },
3605 { "bd_magic_wall_filling", "bd_magic_wall.filling" },
3606 { "bd_magic_wall_emptying", "bd_magic_wall.emptying" },
3607 { "bd_butterfly_left", "bd_butterfly.left" },
3608 { "bd_butterfly_right", "bd_butterfly.right" },
3609 { "bd_butterfly_up", "bd_butterfly.up" },
3610 { "bd_butterfly_down", "bd_butterfly.down" },
3611 { "bd_firefly_left", "bd_firefly.left" },
3612 { "bd_firefly_right", "bd_firefly.right" },
3613 { "bd_firefly_up", "bd_firefly.up" },
3614 { "bd_firefly_down", "bd_firefly.down" },
3620 for (i = 0; map_token_prefix[i][0] != NULL; i++)
3622 int len_token_prefix = strlen(map_token_prefix[i][0]);
3624 if (strncmp(token, map_token_prefix[i][0], len_token_prefix) == 0)
3625 return getStringCat2(map_token_prefix[i][1], &token[len_token_prefix]);
3628 // change tokens containing ".gfx" by moving the "gfx" part to the very left
3629 char *gfx_substring = ".gfx";
3630 char *gfx_prefix = "gfx.";
3631 if (strstr(token, gfx_substring) != NULL)
3633 char *token_prefix = getStringCopy(token);
3634 char *token_gfx_pos = strstr(token_prefix, gfx_substring);
3635 char *token_suffix = &token_gfx_pos[strlen(gfx_substring)];
3638 // cut off token string at ".gfx" substring position
3639 *token_gfx_pos = '\0';
3641 // put together prefix "gfx." and token prefix and suffix without ".gfx"
3642 mapped_token = getStringCat3(gfx_prefix, token_prefix, token_suffix);
3646 return mapped_token;
3652 static char *get_special_base_token(struct ArtworkListInfo *artwork_info,
3655 // !!! make this dynamically configurable (init.c:InitArtworkConfig) !!!
3656 static struct ConfigTypeInfo prefix_list[] =
3658 { "global.anim_1" },
3659 { "global.anim_2" },
3660 { "global.anim_3" },
3661 { "global.anim_4" },
3662 { "global.anim_5" },
3663 { "global.anim_6" },
3664 { "global.anim_7" },
3665 { "global.anim_8" },
3666 { "global.anim_9" },
3667 { "global.anim_10" },
3668 { "global.anim_11" },
3669 { "global.anim_12" },
3670 { "global.anim_13" },
3671 { "global.anim_14" },
3672 { "global.anim_15" },
3673 { "global.anim_16" },
3674 { "global.anim_17" },
3675 { "global.anim_18" },
3676 { "global.anim_19" },
3677 { "global.anim_20" },
3678 { "global.anim_21" },
3679 { "global.anim_22" },
3680 { "global.anim_23" },
3681 { "global.anim_24" },
3682 { "global.anim_25" },
3683 { "global.anim_26" },
3684 { "global.anim_27" },
3685 { "global.anim_28" },
3686 { "global.anim_29" },
3687 { "global.anim_30" },
3688 { "global.anim_31" },
3689 { "global.anim_32" },
3693 struct ConfigTypeInfo *suffix_list = artwork_info->suffix_list;
3694 boolean prefix_found = FALSE;
3698 // search for prefix to check if base token has to be created
3699 for (i = 0; prefix_list[i].token != NULL; i++)
3700 if (strPrefix(token, prefix_list[i].token))
3701 prefix_found = TRUE;
3706 // search for suffix (parameter) to determine base token length
3707 for (i = 0; suffix_list[i].token != NULL; i++)
3708 if (strSuffix(token, suffix_list[i].token))
3709 len_suffix = strlen(suffix_list[i].token);
3711 return getStringCopyN(token, strlen(token) - len_suffix);
3714 static void FreeCustomArtworkList(struct ArtworkListInfo *,
3715 struct ListNodeInfo ***, int *);
3717 struct FileInfo *getFileListFromConfigList(struct ConfigInfo *config_list,
3718 struct ConfigTypeInfo *suffix_list,
3719 char **ignore_tokens,
3720 int num_file_list_entries)
3722 SetupFileHash *ignore_tokens_hash;
3723 struct FileInfo *file_list;
3724 int num_file_list_entries_found = 0;
3725 int num_suffix_list_entries = 0;
3729 // create hash from list of tokens to be ignored (for quick access)
3730 ignore_tokens_hash = newSetupFileHash();
3731 for (i = 0; ignore_tokens[i] != NULL; i++)
3732 setHashEntry(ignore_tokens_hash, ignore_tokens[i], "");
3734 file_list = checked_calloc(num_file_list_entries * sizeof(struct FileInfo));
3736 for (i = 0; suffix_list[i].token != NULL; i++)
3737 num_suffix_list_entries++;
3739 // always start with reliable default values
3740 for (i = 0; i < num_file_list_entries; i++)
3742 file_list[i].token = NULL;
3744 file_list[i].default_filename = NULL;
3745 file_list[i].filename = NULL;
3747 if (num_suffix_list_entries > 0)
3749 int parameter_array_size = num_suffix_list_entries * sizeof(char *);
3751 file_list[i].default_parameter = checked_calloc(parameter_array_size);
3752 file_list[i].parameter = checked_calloc(parameter_array_size);
3754 for (j = 0; j < num_suffix_list_entries; j++)
3756 setString(&file_list[i].default_parameter[j], suffix_list[j].value);
3757 setString(&file_list[i].parameter[j], suffix_list[j].value);
3760 file_list[i].redefined = FALSE;
3761 file_list[i].fallback_to_default = FALSE;
3762 file_list[i].default_is_cloned = FALSE;
3768 for (i = 0; config_list[i].token != NULL; i++)
3770 int len_config_token = strlen(config_list[i].token);
3771 boolean is_file_entry = TRUE;
3773 for (j = 0; suffix_list[j].token != NULL; j++)
3775 int len_suffix = strlen(suffix_list[j].token);
3777 if (len_suffix < len_config_token &&
3778 strEqual(&config_list[i].token[len_config_token - len_suffix],
3779 suffix_list[j].token))
3781 setString(&file_list[list_pos].default_parameter[j],
3782 config_list[i].value);
3784 is_file_entry = FALSE;
3790 // the following tokens are no file definitions, but other config tokens
3791 if (getHashEntry(ignore_tokens_hash, config_list[i].token) != NULL)
3792 is_file_entry = FALSE;
3799 if (list_pos >= num_file_list_entries)
3802 file_list[list_pos].token = config_list[i].token;
3803 file_list[list_pos].default_filename = config_list[i].value;
3806 if (strSuffix(config_list[i].token, ".clone_from"))
3807 file_list[list_pos].default_is_cloned = TRUE;
3810 num_file_list_entries_found = list_pos + 1;
3811 if (num_file_list_entries_found != num_file_list_entries)
3814 Error("inconsistant config list information:");
3815 Error("- should be: %d (according to 'src/conf_xxx.h')",
3816 num_file_list_entries);
3817 Error("- found to be: %d (according to 'src/conf_xxx.c')",
3818 num_file_list_entries_found);
3823 freeSetupFileHash(ignore_tokens_hash);
3828 static boolean token_suffix_match(char *token, char *suffix, int start_pos)
3830 int len_token = strlen(token);
3831 int len_suffix = strlen(suffix);
3833 if (start_pos < 0) // compare suffix from end of string
3834 start_pos += len_token;
3836 if (start_pos < 0 || start_pos + len_suffix > len_token)
3839 if (strncmp(&token[start_pos], suffix, len_suffix) != 0)
3842 if (token[start_pos + len_suffix] == '\0')
3845 if (token[start_pos + len_suffix] == '.')
3851 #define KNOWN_TOKEN_VALUE "[KNOWN_TOKEN_VALUE]"
3853 static void read_token_parameters(SetupFileHash *setup_file_hash,
3854 struct ConfigTypeInfo *suffix_list,
3855 struct FileInfo *file_list_entry)
3857 // check for config token that is the base token without any suffixes
3858 char *filename = getHashEntry(setup_file_hash, file_list_entry->token);
3859 char *known_token_value = KNOWN_TOKEN_VALUE;
3862 if (filename != NULL)
3864 setString(&file_list_entry->filename, filename);
3866 // when file definition found, set all parameters to default values
3867 for (i = 0; suffix_list[i].token != NULL; i++)
3868 setString(&file_list_entry->parameter[i], suffix_list[i].value);
3870 file_list_entry->redefined = TRUE;
3872 // mark config file token as well known from default config
3873 setHashEntry(setup_file_hash, file_list_entry->token, known_token_value);
3876 // check for config tokens that can be build by base token and suffixes
3877 for (i = 0; suffix_list[i].token != NULL; i++)
3879 char *token = getStringCat2(file_list_entry->token, suffix_list[i].token);
3880 char *value = getHashEntry(setup_file_hash, token);
3884 setString(&file_list_entry->parameter[i], value);
3886 // mark config file token as well known from default config
3887 setHashEntry(setup_file_hash, token, known_token_value);
3894 static void add_dynamic_file_list_entry(struct FileInfo **list,
3895 int *num_list_entries,
3896 SetupFileHash *extra_file_hash,
3897 struct ConfigTypeInfo *suffix_list,
3898 int num_suffix_list_entries,
3901 struct FileInfo *new_list_entry;
3902 int parameter_array_size = num_suffix_list_entries * sizeof(char *);
3904 (*num_list_entries)++;
3905 *list = checked_realloc(*list, *num_list_entries * sizeof(struct FileInfo));
3906 new_list_entry = &(*list)[*num_list_entries - 1];
3908 new_list_entry->token = getStringCopy(token);
3909 new_list_entry->default_filename = NULL;
3910 new_list_entry->filename = NULL;
3911 new_list_entry->parameter = checked_calloc(parameter_array_size);
3913 new_list_entry->redefined = FALSE;
3914 new_list_entry->fallback_to_default = FALSE;
3915 new_list_entry->default_is_cloned = FALSE;
3917 read_token_parameters(extra_file_hash, suffix_list, new_list_entry);
3920 static void add_property_mapping(struct PropertyMapping **list,
3921 int *num_list_entries,
3922 int base_index, int ext1_index,
3923 int ext2_index, int ext3_index,
3926 struct PropertyMapping *new_list_entry;
3928 (*num_list_entries)++;
3929 *list = checked_realloc(*list,
3930 *num_list_entries * sizeof(struct PropertyMapping));
3931 new_list_entry = &(*list)[*num_list_entries - 1];
3933 new_list_entry->base_index = base_index;
3934 new_list_entry->ext1_index = ext1_index;
3935 new_list_entry->ext2_index = ext2_index;
3936 new_list_entry->ext3_index = ext3_index;
3938 new_list_entry->artwork_index = artwork_index;
3941 static void LoadArtworkConfigFromFilename(struct ArtworkListInfo *artwork_info,
3944 struct FileInfo *file_list = artwork_info->file_list;
3945 struct ConfigTypeInfo *suffix_list = artwork_info->suffix_list;
3946 char **base_prefixes = artwork_info->base_prefixes;
3947 char **ext1_suffixes = artwork_info->ext1_suffixes;
3948 char **ext2_suffixes = artwork_info->ext2_suffixes;
3949 char **ext3_suffixes = artwork_info->ext3_suffixes;
3950 char **ignore_tokens = artwork_info->ignore_tokens;
3951 int num_file_list_entries = artwork_info->num_file_list_entries;
3952 int num_suffix_list_entries = artwork_info->num_suffix_list_entries;
3953 int num_base_prefixes = artwork_info->num_base_prefixes;
3954 int num_ext1_suffixes = artwork_info->num_ext1_suffixes;
3955 int num_ext2_suffixes = artwork_info->num_ext2_suffixes;
3956 int num_ext3_suffixes = artwork_info->num_ext3_suffixes;
3957 int num_ignore_tokens = artwork_info->num_ignore_tokens;
3958 SetupFileHash *setup_file_hash, *valid_file_hash, *valid_file_hash_tmp;
3959 SetupFileHash *extra_file_hash, *empty_file_hash;
3960 char *known_token_value = KNOWN_TOKEN_VALUE;
3961 char *base_token_value = UNDEFINED_FILENAME;
3964 if (filename == NULL)
3967 if ((setup_file_hash = loadSetupFileHash(filename)) == NULL)
3970 // separate valid (defined) from empty (undefined) config token values
3971 valid_file_hash = newSetupFileHash();
3972 empty_file_hash = newSetupFileHash();
3973 BEGIN_HASH_ITERATION(setup_file_hash, itr)
3975 char *value = HASH_ITERATION_VALUE(itr);
3977 setHashEntry(*value ? valid_file_hash : empty_file_hash,
3978 HASH_ITERATION_TOKEN(itr), value);
3980 END_HASH_ITERATION(setup_file_hash, itr)
3982 // at this point, we do not need the setup file hash anymore -- free it
3983 freeSetupFileHash(setup_file_hash);
3985 // prevent changing hash while iterating over it by using a temporary copy
3986 valid_file_hash_tmp = newSetupFileHash();
3987 BEGIN_HASH_ITERATION(valid_file_hash, itr)
3989 setHashEntry(valid_file_hash_tmp,
3990 HASH_ITERATION_TOKEN(itr),
3991 HASH_ITERATION_VALUE(itr));
3993 END_HASH_ITERATION(valid_file_hash, itr)
3995 // (iterate over same temporary hash, as modifications are independent)
3997 // map deprecated to current tokens (using prefix match and replace)
3998 BEGIN_HASH_ITERATION(valid_file_hash_tmp, itr)
4000 char *token = HASH_ITERATION_TOKEN(itr);
4001 char *mapped_token = get_mapped_token(token);
4003 if (mapped_token != NULL)
4005 char *value = HASH_ITERATION_VALUE(itr);
4008 setHashEntry(valid_file_hash, mapped_token, value);
4010 // ignore old token (by setting it to "known" keyword)
4011 setHashEntry(valid_file_hash, token, known_token_value);
4016 END_HASH_ITERATION(valid_file_hash_tmp, itr)
4018 // add special base tokens (using prefix match and replace)
4019 BEGIN_HASH_ITERATION(valid_file_hash_tmp, itr)
4021 char *token = HASH_ITERATION_TOKEN(itr);
4022 char *base_token = get_special_base_token(artwork_info, token);
4024 if (base_token != NULL)
4026 // add base token only if it does not already exist
4027 if (getHashEntry(valid_file_hash, base_token) == NULL)
4028 setHashEntry(valid_file_hash, base_token, base_token_value);
4033 END_HASH_ITERATION(valid_file_hash_tmp, itr)
4035 // free temporary hash used for iteration
4036 freeSetupFileHash(valid_file_hash_tmp);
4038 // read parameters for all known config file tokens
4039 for (i = 0; i < num_file_list_entries; i++)
4040 read_token_parameters(valid_file_hash, suffix_list, &file_list[i]);
4042 // set all tokens that can be ignored here to "known" keyword
4043 for (i = 0; i < num_ignore_tokens; i++)
4044 setHashEntry(valid_file_hash, ignore_tokens[i], known_token_value);
4046 // copy all unknown config file tokens to extra config hash
4047 extra_file_hash = newSetupFileHash();
4048 BEGIN_HASH_ITERATION(valid_file_hash, itr)
4050 char *value = HASH_ITERATION_VALUE(itr);
4052 if (!strEqual(value, known_token_value))
4053 setHashEntry(extra_file_hash, HASH_ITERATION_TOKEN(itr), value);
4055 END_HASH_ITERATION(valid_file_hash, itr)
4057 // at this point, we do not need the valid file hash anymore -- free it
4058 freeSetupFileHash(valid_file_hash);
4060 // now try to determine valid, dynamically defined config tokens
4062 BEGIN_HASH_ITERATION(extra_file_hash, itr)
4064 struct FileInfo **dynamic_file_list =
4065 &artwork_info->dynamic_file_list;
4066 int *num_dynamic_file_list_entries =
4067 &artwork_info->num_dynamic_file_list_entries;
4068 struct PropertyMapping **property_mapping =
4069 &artwork_info->property_mapping;
4070 int *num_property_mapping_entries =
4071 &artwork_info->num_property_mapping_entries;
4072 int current_summarized_file_list_entry =
4073 artwork_info->num_file_list_entries +
4074 artwork_info->num_dynamic_file_list_entries;
4075 char *token = HASH_ITERATION_TOKEN(itr);
4076 int len_token = strlen(token);
4078 boolean base_prefix_found = FALSE;
4079 boolean parameter_suffix_found = FALSE;
4081 // skip all parameter definitions (handled by read_token_parameters())
4082 for (i = 0; i < num_suffix_list_entries && !parameter_suffix_found; i++)
4084 int len_suffix = strlen(suffix_list[i].token);
4086 if (token_suffix_match(token, suffix_list[i].token, -len_suffix))
4087 parameter_suffix_found = TRUE;
4090 if (parameter_suffix_found)
4093 // ---------- step 0: search for matching base prefix ----------
4096 for (i = 0; i < num_base_prefixes && !base_prefix_found; i++)
4098 char *base_prefix = base_prefixes[i];
4099 int len_base_prefix = strlen(base_prefix);
4100 boolean ext1_suffix_found = FALSE;
4101 boolean ext2_suffix_found = FALSE;
4102 boolean ext3_suffix_found = FALSE;
4103 boolean exact_match = FALSE;
4104 int base_index = -1;
4105 int ext1_index = -1;
4106 int ext2_index = -1;
4107 int ext3_index = -1;
4109 base_prefix_found = token_suffix_match(token, base_prefix, start_pos);
4111 if (!base_prefix_found)
4116 if (start_pos + len_base_prefix == len_token) // exact match
4120 add_dynamic_file_list_entry(dynamic_file_list,
4121 num_dynamic_file_list_entries,
4124 num_suffix_list_entries,
4126 add_property_mapping(property_mapping,
4127 num_property_mapping_entries,
4128 base_index, -1, -1, -1,
4129 current_summarized_file_list_entry);
4133 // ---------- step 1: search for matching first suffix ----------
4135 start_pos += len_base_prefix;
4136 for (j = 0; j < num_ext1_suffixes && !ext1_suffix_found; j++)
4138 char *ext1_suffix = ext1_suffixes[j];
4139 int len_ext1_suffix = strlen(ext1_suffix);
4141 ext1_suffix_found = token_suffix_match(token, ext1_suffix, start_pos);
4143 if (!ext1_suffix_found)
4148 if (start_pos + len_ext1_suffix == len_token) // exact match
4152 add_dynamic_file_list_entry(dynamic_file_list,
4153 num_dynamic_file_list_entries,
4156 num_suffix_list_entries,
4158 add_property_mapping(property_mapping,
4159 num_property_mapping_entries,
4160 base_index, ext1_index, -1, -1,
4161 current_summarized_file_list_entry);
4165 start_pos += len_ext1_suffix;
4171 // ---------- step 2: search for matching second suffix ----------
4173 for (k = 0; k < num_ext2_suffixes && !ext2_suffix_found; k++)
4175 char *ext2_suffix = ext2_suffixes[k];
4176 int len_ext2_suffix = strlen(ext2_suffix);
4178 ext2_suffix_found = token_suffix_match(token, ext2_suffix, start_pos);
4180 if (!ext2_suffix_found)
4185 if (start_pos + len_ext2_suffix == len_token) // exact match
4189 add_dynamic_file_list_entry(dynamic_file_list,
4190 num_dynamic_file_list_entries,
4193 num_suffix_list_entries,
4195 add_property_mapping(property_mapping,
4196 num_property_mapping_entries,
4197 base_index, ext1_index, ext2_index, -1,
4198 current_summarized_file_list_entry);
4202 start_pos += len_ext2_suffix;
4208 // ---------- step 3: search for matching third suffix ----------
4210 for (l = 0; l < num_ext3_suffixes && !ext3_suffix_found; l++)
4212 char *ext3_suffix = ext3_suffixes[l];
4213 int len_ext3_suffix = strlen(ext3_suffix);
4215 ext3_suffix_found = token_suffix_match(token, ext3_suffix, start_pos);
4217 if (!ext3_suffix_found)
4222 if (start_pos + len_ext3_suffix == len_token) // exact match
4226 add_dynamic_file_list_entry(dynamic_file_list,
4227 num_dynamic_file_list_entries,
4230 num_suffix_list_entries,
4232 add_property_mapping(property_mapping,
4233 num_property_mapping_entries,
4234 base_index, ext1_index, ext2_index, ext3_index,
4235 current_summarized_file_list_entry);
4241 END_HASH_ITERATION(extra_file_hash, itr)
4243 if (artwork_info->num_dynamic_file_list_entries > 0)
4245 artwork_info->dynamic_artwork_list =
4246 checked_calloc(artwork_info->num_dynamic_file_list_entries *
4247 artwork_info->sizeof_artwork_list_entry);
4250 if (options.verbose && IS_PARENT_PROCESS())
4252 SetupFileList *setup_file_list, *list;
4253 boolean dynamic_tokens_found = FALSE;
4254 boolean unknown_tokens_found = FALSE;
4255 boolean undefined_values_found = (hashtable_count(empty_file_hash) != 0);
4257 // list may be NULL for empty artwork config files
4258 setup_file_list = loadSetupFileList(filename);
4260 BEGIN_HASH_ITERATION(extra_file_hash, itr)
4262 if (strEqual(HASH_ITERATION_VALUE(itr), known_token_value))
4263 dynamic_tokens_found = TRUE;
4265 unknown_tokens_found = TRUE;
4267 END_HASH_ITERATION(extra_file_hash, itr)
4269 if (options.debug && dynamic_tokens_found)
4271 Debug("config", "---");
4272 Debug("config", "dynamic token(s) found in config file:");
4273 Debug("config", "- config file: '%s'", filename);
4275 for (list = setup_file_list; list != NULL; list = list->next)
4277 char *value = getHashEntry(extra_file_hash, list->token);
4279 if (value != NULL && strEqual(value, known_token_value))
4280 Debug("config", "- dynamic token: '%s'", list->token);
4283 Debug("config", "---");
4286 if (unknown_tokens_found)
4289 Warn("unknown token(s) found in config file:");
4290 Warn("- config file: '%s'", filename);
4292 for (list = setup_file_list; list != NULL; list = list->next)
4294 char *value = getHashEntry(extra_file_hash, list->token);
4296 if (value != NULL && !strEqual(value, known_token_value))
4297 Warn("- dynamic token: '%s'", list->token);
4303 if (undefined_values_found)
4306 Warn("undefined values found in config file:");
4307 Warn("- config file: '%s'", filename);
4309 for (list = setup_file_list; list != NULL; list = list->next)
4311 char *value = getHashEntry(empty_file_hash, list->token);
4314 Warn("- undefined value for token: '%s'", list->token);
4320 freeSetupFileList(setup_file_list);
4323 freeSetupFileHash(extra_file_hash);
4324 freeSetupFileHash(empty_file_hash);
4327 void LoadArtworkConfig(struct ArtworkListInfo *artwork_info)
4329 struct FileInfo *file_list = artwork_info->file_list;
4330 int num_file_list_entries = artwork_info->num_file_list_entries;
4331 int num_suffix_list_entries = artwork_info->num_suffix_list_entries;
4332 char *filename_base = UNDEFINED_FILENAME, *filename_local;
4335 DrawInitTextHead("Loading artwork config");
4336 DrawInitTextItem(ARTWORKINFO_FILENAME(artwork_info->type));
4338 // always start with reliable default values
4339 for (i = 0; i < num_file_list_entries; i++)
4341 setString(&file_list[i].filename, file_list[i].default_filename);
4343 for (j = 0; j < num_suffix_list_entries; j++)
4344 setString(&file_list[i].parameter[j], file_list[i].default_parameter[j]);
4346 file_list[i].redefined = FALSE;
4347 file_list[i].fallback_to_default = FALSE;
4350 // free previous dynamic artwork file array
4351 if (artwork_info->dynamic_file_list != NULL)
4353 for (i = 0; i < artwork_info->num_dynamic_file_list_entries; i++)
4355 free(artwork_info->dynamic_file_list[i].token);
4356 free(artwork_info->dynamic_file_list[i].filename);
4357 free(artwork_info->dynamic_file_list[i].parameter);
4360 free(artwork_info->dynamic_file_list);
4361 artwork_info->dynamic_file_list = NULL;
4363 FreeCustomArtworkList(artwork_info, &artwork_info->dynamic_artwork_list,
4364 &artwork_info->num_dynamic_file_list_entries);
4367 // free previous property mapping
4368 if (artwork_info->property_mapping != NULL)
4370 free(artwork_info->property_mapping);
4372 artwork_info->property_mapping = NULL;
4373 artwork_info->num_property_mapping_entries = 0;
4376 if (!GFX_OVERRIDE_ARTWORK(artwork_info->type))
4378 // first look for special artwork configured in level series config
4379 filename_base = getCustomArtworkLevelConfigFilename(artwork_info->type);
4381 if (fileExists(filename_base))
4382 LoadArtworkConfigFromFilename(artwork_info, filename_base);
4385 filename_local = getCustomArtworkConfigFilename(artwork_info->type);
4387 if (filename_local != NULL && !strEqual(filename_base, filename_local))
4388 LoadArtworkConfigFromFilename(artwork_info, filename_local);
4391 static void deleteArtworkListEntry(struct ArtworkListInfo *artwork_info,
4392 struct ListNodeInfo **listnode)
4396 char *filename = (*listnode)->source_filename;
4398 if (--(*listnode)->num_references <= 0)
4399 deleteNodeFromList(&artwork_info->content_list, filename,
4400 artwork_info->free_artwork);
4406 static void replaceArtworkListEntry(struct ArtworkListInfo *artwork_info,
4407 struct ListNodeInfo **listnode,
4408 struct FileInfo *file_list_entry)
4418 char *basename = file_list_entry->filename;
4419 char *filename = getCustomArtworkFilename(basename, artwork_info->type);
4421 // mark all images from non-default graphics directory as "redefined"
4422 if (artwork_info->type == ARTWORK_TYPE_GRAPHICS &&
4423 !strPrefix(filename, options.graphics_directory))
4424 file_list_entry->redefined = TRUE;
4426 if (filename == NULL)
4428 Warn("cannot find artwork file '%s'", basename);
4430 basename = file_list_entry->default_filename;
4432 // fail for cloned default artwork that has no default filename defined
4433 if (file_list_entry->default_is_cloned &&
4434 strEqual(basename, UNDEFINED_FILENAME))
4436 void (*error_func)(char *, ...) = Warn;
4438 // we can get away without sounds and music, but not without graphics
4439 if (*listnode == NULL && artwork_info->type == ARTWORK_TYPE_GRAPHICS)
4442 error_func("token '%s' was cloned and has no default filename",
4443 file_list_entry->token);
4448 // dynamic artwork has no default filename / skip empty default artwork
4449 if (basename == NULL || strEqual(basename, UNDEFINED_FILENAME))
4452 file_list_entry->fallback_to_default = TRUE;
4454 Warn("trying default artwork file '%s'", basename);
4456 filename = getCustomArtworkFilename(basename, artwork_info->type);
4458 if (filename == NULL)
4460 void (*error_func)(char *, ...) = Warn;
4462 // we can get away without sounds and music, but not without graphics
4463 if (*listnode == NULL && artwork_info->type == ARTWORK_TYPE_GRAPHICS)
4466 error_func("cannot find default artwork file '%s'", basename);
4472 // check if the old and the new artwork file are the same
4473 if (*listnode && strEqual((*listnode)->source_filename, filename))
4475 // The old and new artwork are the same (have the same filename and path).
4476 // This usually means that this artwork does not exist in this artwork set
4477 // and a fallback to the existing artwork is done.
4482 // delete existing artwork file entry
4483 deleteArtworkListEntry(artwork_info, listnode);
4485 // check if the new artwork file already exists in the list of artwork
4486 if ((node = getNodeFromKey(artwork_info->content_list, filename)) != NULL)
4488 *listnode = (struct ListNodeInfo *)node->content;
4489 (*listnode)->num_references++;
4494 DrawInitTextHead(init_text[artwork_info->type]);
4495 DrawInitTextItem(basename);
4497 if ((*listnode = artwork_info->load_artwork(filename)) != NULL)
4499 // add new artwork file entry to the list of artwork files
4500 (*listnode)->num_references = 1;
4501 addNodeToList(&artwork_info->content_list, (*listnode)->source_filename,
4506 void (*error_func)(char *, ...) = Warn;
4508 // we can get away without sounds and music, but not without graphics
4509 if (artwork_info->type == ARTWORK_TYPE_GRAPHICS)
4512 error_func("cannot load artwork file '%s'", basename);
4518 static void LoadCustomArtwork(struct ArtworkListInfo *artwork_info,
4519 struct ListNodeInfo **listnode,
4520 struct FileInfo *file_list_entry)
4522 if (strEqual(file_list_entry->filename, UNDEFINED_FILENAME))
4524 deleteArtworkListEntry(artwork_info, listnode);
4529 replaceArtworkListEntry(artwork_info, listnode, file_list_entry);
4532 void ReloadCustomArtworkList(struct ArtworkListInfo *artwork_info)
4534 struct FileInfo *file_list = artwork_info->file_list;
4535 struct FileInfo *dynamic_file_list = artwork_info->dynamic_file_list;
4536 int num_file_list_entries = artwork_info->num_file_list_entries;
4537 int num_dynamic_file_list_entries =
4538 artwork_info->num_dynamic_file_list_entries;
4541 print_timestamp_init("ReloadCustomArtworkList");
4543 for (i = 0; i < num_file_list_entries; i++)
4544 LoadCustomArtwork(artwork_info, &artwork_info->artwork_list[i],
4547 for (i = 0; i < num_dynamic_file_list_entries; i++)
4548 LoadCustomArtwork(artwork_info, &artwork_info->dynamic_artwork_list[i],
4549 &dynamic_file_list[i]);
4551 print_timestamp_done("ReloadCustomArtworkList");
4554 dumpList(artwork_info->content_list);
4558 static void FreeCustomArtworkList(struct ArtworkListInfo *artwork_info,
4559 struct ListNodeInfo ***list,
4560 int *num_list_entries)
4567 for (i = 0; i < *num_list_entries; i++)
4568 deleteArtworkListEntry(artwork_info, &(*list)[i]);
4572 *num_list_entries = 0;
4575 void FreeCustomArtworkLists(struct ArtworkListInfo *artwork_info)
4577 if (artwork_info == NULL)
4580 FreeCustomArtworkList(artwork_info, &artwork_info->artwork_list,
4581 &artwork_info->num_file_list_entries);
4583 FreeCustomArtworkList(artwork_info, &artwork_info->dynamic_artwork_list,
4584 &artwork_info->num_dynamic_file_list_entries);
4588 // ----------------------------------------------------------------------------
4589 // functions only needed for non-Unix (non-command-line) systems
4590 // (MS-DOS only; SDL/Windows creates files "stdout.txt" and "stderr.txt")
4591 // (now also added for Windows, to create files in user data directory)
4592 // ----------------------------------------------------------------------------
4594 char *getLogBasename(char *basename)
4596 return getStringCat2(basename, ".log");
4599 char *getLogFilename(char *basename)
4601 return getPath2(getMainUserGameDataDir(), basename);
4604 void OpenLogFile(void)
4606 InitMainUserDataDirectory();
4608 if ((program.log_file = fopen(program.log_filename, MODE_WRITE)) == NULL)
4610 program.log_file = program.log_file_default; // reset to default
4612 Warn("cannot open file '%s' for writing: %s",
4613 program.log_filename, strerror(errno));
4616 // output should be unbuffered so it is not truncated in a crash
4617 setbuf(program.log_file, NULL);
4620 void CloseLogFile(void)
4622 if (program.log_file != program.log_file_default)
4623 fclose(program.log_file);
4626 void DumpLogFile(void)
4628 FILE *log_file = fopen(program.log_filename, MODE_READ);
4630 if (log_file == NULL)
4633 while (!feof(log_file))
4634 fputc(fgetc(log_file), stdout);
4639 void NotifyUserAboutErrorFile(void)
4641 #if defined(PLATFORM_WINDOWS)
4642 char *title_text = getStringCat2(program.program_title, " Error Message");
4643 char *error_text = getStringCat2("The program was aborted due to an error; "
4644 "for details, see the following error file:"
4646 program.log_filename);
4648 MessageBox(NULL, error_text, title_text, MB_OK);
4653 // ----------------------------------------------------------------------------
4654 // the following is only for debugging purpose and normally not used
4655 // ----------------------------------------------------------------------------
4659 #define DEBUG_PRINT_INIT_TIMESTAMPS TRUE
4660 #define DEBUG_PRINT_INIT_TIMESTAMPS_DEPTH 10
4662 #define DEBUG_NUM_TIMESTAMPS 10
4663 #define DEBUG_TIME_IN_MICROSECONDS 0
4665 #if DEBUG_TIME_IN_MICROSECONDS
4666 static double Counter_Microseconds(void)
4668 static struct timeval base_time = { 0, 0 };
4669 struct timeval current_time;
4672 gettimeofday(¤t_time, NULL);
4674 // reset base time in case of wrap-around
4675 if (current_time.tv_sec < base_time.tv_sec)
4676 base_time = current_time;
4679 ((double)(current_time.tv_sec - base_time.tv_sec)) * 1000000 +
4680 ((double)(current_time.tv_usec - base_time.tv_usec));
4682 return counter; // return microseconds since last init
4686 static char *debug_print_timestamp_get_padding(int padding_size)
4688 static char *padding = NULL;
4689 int max_padding_size = 100;
4691 if (padding == NULL)
4693 padding = checked_calloc(max_padding_size + 1);
4694 memset(padding, ' ', max_padding_size);
4697 return &padding[MAX(0, max_padding_size - padding_size)];
4700 void debug_print_timestamp(int counter_nr, char *message)
4702 int indent_size = 8;
4703 int padding_size = 40;
4704 float timestamp_interval;
4707 Fail("debugging: invalid negative counter");
4708 else if (counter_nr >= DEBUG_NUM_TIMESTAMPS)
4709 Fail("debugging: increase DEBUG_NUM_TIMESTAMPS in misc.c");
4711 #if DEBUG_TIME_IN_MICROSECONDS
4712 static double counter[DEBUG_NUM_TIMESTAMPS][2];
4715 counter[counter_nr][0] = Counter_Microseconds();
4717 static int counter[DEBUG_NUM_TIMESTAMPS][2];
4720 counter[counter_nr][0] = Counter();
4723 timestamp_interval = counter[counter_nr][0] - counter[counter_nr][1];
4724 counter[counter_nr][1] = counter[counter_nr][0];
4727 Debug("time:init", "%s%s%s %.3f %s",
4728 debug_print_timestamp_get_padding(counter_nr * indent_size),
4730 debug_print_timestamp_get_padding(padding_size - strlen(message)),
4731 timestamp_interval / 1000,
4736 static void debug_print_parent_only(char *format, ...)
4738 if (!IS_PARENT_PROCESS())
4745 va_start(ap, format);
4746 vprintf(format, ap);
4756 static void print_timestamp_ext(char *message, char *mode)
4758 #if DEBUG_PRINT_INIT_TIMESTAMPS
4759 static char *debug_message = NULL;
4760 static char *last_message = NULL;
4761 static int counter_nr = 0;
4762 int max_depth = DEBUG_PRINT_INIT_TIMESTAMPS_DEPTH;
4764 checked_free(debug_message);
4765 debug_message = getStringCat3(mode, " ", message);
4767 if (strEqual(mode, "INIT"))
4769 debug_print_timestamp(counter_nr, NULL);
4771 if (counter_nr + 1 < max_depth)
4772 debug_print_timestamp(counter_nr, debug_message);
4776 debug_print_timestamp(counter_nr, NULL);
4778 else if (strEqual(mode, "DONE"))
4782 if (counter_nr + 1 < max_depth ||
4783 (counter_nr == 0 && max_depth == 1))
4785 last_message = message;
4787 if (counter_nr == 0 && max_depth == 1)
4789 checked_free(debug_message);
4790 debug_message = getStringCat3("TIME", " ", message);
4793 debug_print_timestamp(counter_nr, debug_message);
4796 else if (!strEqual(mode, "TIME") ||
4797 !strEqual(message, last_message))
4799 if (counter_nr < max_depth)
4800 debug_print_timestamp(counter_nr, debug_message);
4805 void print_timestamp_init(char *message)
4807 print_timestamp_ext(message, "INIT");
4810 void print_timestamp_time(char *message)
4812 print_timestamp_ext(message, "TIME");
4815 void print_timestamp_done(char *message)
4817 print_timestamp_ext(message, "DONE");