X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=blobdiff_plain;f=src%2Fmisc.c;h=c32aa55515b13650e2ba97a7f21cdfd85c38def3;hp=5da20e36bdd3cba70de1d1ef759c5cf3f9bfaae8;hb=8d46c5298f0fcce7bdb52f3835b2fbbdc403dfe0;hpb=19e168a132d1c0543a13cbf9495f579c137dea94 diff --git a/src/misc.c b/src/misc.c index 5da20e36..c32aa555 100644 --- a/src/misc.c +++ b/src/misc.c @@ -26,10 +26,25 @@ #include "sound.h" #include "random.h" #include "joystick.h" +#include "files.h" + +#ifdef MSDOS +volatile unsigned long counter = 0; + +void increment_counter() +{ + counter++; +} + +END_OF_FUNCTION(increment_counter); +#endif + + /* maximal allowed length of a command line option */ #define MAX_OPTION_LEN 256 +#ifndef MSDOS static unsigned long mainCounter(int mode) { static struct timeval base_time = { 0, 0 }; @@ -46,20 +61,39 @@ static unsigned long mainCounter(int mode) return counter_ms; /* return milliseconds since last init */ } +#endif void InitCounter() /* set counter back to zero */ { +#ifndef MSDOS mainCounter(INIT_COUNTER); +#else + LOCK_VARIABLE(counter); + LOCK_FUNCTION(increment_counter); + install_int_ex(increment_counter, BPS_TO_TIMER(100)); +#endif } unsigned long Counter() /* get milliseconds since last call of InitCounter() */ { - return(mainCounter(READ_COUNTER)); +#ifndef MSDOS + return mainCounter(READ_COUNTER); +#else + return (counter * 10); +#endif } static void sleep_milliseconds(unsigned long milliseconds_delay) { - if (milliseconds_delay < 5) + boolean do_busy_waiting = (milliseconds_delay < 5 ? TRUE : FALSE); + +#ifdef MSDOS + /* donït use select() to perform waiting operations under DOS/Windows + environment; always use a busy loop for waiting instead */ + do_busy_waiting = TRUE; +#endif + + if (do_busy_waiting) { /* we want to wait only a few ms -- if we assume that we have a kernel timer resolution of 10 ms, we would wait far to long; @@ -133,9 +167,20 @@ void WaitUntilDelayReached(unsigned long *counter_var, unsigned long delay) *counter_var = actual_counter; } +/* int2str() returns a number converted to a string; + the used memory is static, but will be overwritten by later calls, + so if you want to save the result, copy it to a private string buffer; + there can be 10 local calls of int2str() without buffering the result -- + the 11th call will then destroy the result from the first call and so on. +*/ + char *int2str(int number, int size) { - static char s[40]; + static char shift_array[10][40]; + static int shift_counter = 0; + char *s = shift_array[shift_counter]; + + shift_counter = (shift_counter + 1) % 10; if (size > 20) size = 20; @@ -201,14 +246,52 @@ char *getLoginName() { struct passwd *pwd; - if (!(pwd = getpwuid(getuid()))) - return "ANONYMOUS"; + if ((pwd = getpwuid(getuid())) == NULL) + return ANONYMOUS_NAME; else return pwd->pw_name; } +char *getRealName() +{ +#ifndef MSDOS + struct passwd *pwd; + + if ((pwd = getpwuid(getuid())) == NULL || strlen(pwd->pw_gecos) == 0) + return ANONYMOUS_NAME; + else + { + static char real_name[1024]; + char *from_ptr = pwd->pw_gecos, *to_ptr = real_name; + + if (strchr(pwd->pw_gecos, 'ß') == NULL) + return pwd->pw_gecos; + + /* the user's real name contains a 'ß' character (german sharp s), + which has no equivalent in upper case letters (which our fonts use) */ + while (*from_ptr != '\0' && (long)(to_ptr - real_name) < 1024 - 2) + { + if (*from_ptr != 'ß') + *to_ptr++ = *from_ptr++; + else + { + from_ptr++; + *to_ptr++ = 's'; + *to_ptr++ = 's'; + } + } + *to_ptr = '\0'; + + return real_name; + } +#else + return ANONYMOUS_NAME; +#endif +} + char *getHomeDir() { +#ifndef MSDOS static char *home_dir = NULL; if (!home_dir) @@ -225,6 +308,9 @@ char *getHomeDir() } return home_dir; +#else + return "."; +#endif } char *getPath2(char *path1, char *path2) @@ -248,7 +334,12 @@ char *getPath3(char *path1, char *path2, char *path3) char *getStringCopy(char *s) { - char *s_copy = checked_malloc(strlen(s) + 1); + char *s_copy; + + if (s == NULL) + return NULL; + + s_copy = checked_malloc(strlen(s) + 1); strcpy(s_copy, s); return s_copy; @@ -261,6 +352,7 @@ char *getStringToLower(char *s) while (*s) *s_ptr++ = tolower(*s++); + *s_ptr = '\0'; return s_copy; } @@ -277,6 +369,25 @@ void MarkTileDirty(int x, int y) redraw_mask |= REDRAW_TILES; } +void SetBorderElement() +{ + int x, y; + + BorderElement = EL_LEERRAUM; + + for(y=0; y= MAX_OPTION_LEN) + Error(ERR_EXIT_HELP, "unrecognized option '%s'", option); + strcpy(option_str, option); /* copy argument into buffer */ option = option_str; if (strcmp(option, "--") == 0) /* stop scanning arguments */ break; - if (option_len >= MAX_OPTION_LEN) - Error(ERR_EXIT_HELP, "unrecognized option '%s'", option); - if (strncmp(option, "--", 2) == 0) /* treat '--' like '-' */ option++; @@ -331,7 +443,7 @@ void GetOptions(char *argv[]) "Options:\n" " -d, --display machine:0 X server display\n" " -b, --basepath directory alternative base directory\n" - " -l, --levels directory alternative level directory\n" + " -l, --level directory alternative level directory\n" " -s, --serveronly only start network server\n" " -n, --network network multiplayer game\n" " -v, --verbose verbose mode\n", @@ -346,23 +458,21 @@ void GetOptions(char *argv[]) options.display_name = option_arg; if (option_arg == next_option) options_left++; - - printf("--display == '%s'\n", options.display_name); } else if (strncmp(option, "-basepath", option_len) == 0) { if (option_arg == NULL) Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str); - options.base_directory = option_arg; + /* this should be extended to separate options for ro and rw data */ + options.ro_base_directory = option_arg; + options.rw_base_directory = option_arg; if (option_arg == next_option) options_left++; - printf("--basepath == '%s'\n", options.base_directory); - /* adjust path for level directory accordingly */ options.level_directory = - getPath2(options.base_directory, LEVELS_DIRECTORY); + getPath2(options.ro_base_directory, LEVELS_DIRECTORY); } else if (strncmp(option, "-levels", option_len) == 0) { @@ -372,42 +482,32 @@ void GetOptions(char *argv[]) options.level_directory = option_arg; if (option_arg == next_option) options_left++; - - printf("--levels == '%s'\n", options.level_directory); } else if (strncmp(option, "-network", option_len) == 0) { - printf("--network\n"); - options.network = TRUE; } else if (strncmp(option, "-serveronly", option_len) == 0) { - printf("--serveronly\n"); - options.serveronly = TRUE; } else if (strncmp(option, "-verbose", option_len) == 0) { - printf("--verbose\n"); - options.verbose = TRUE; } else if (*option == '-') + { Error(ERR_EXIT_HELP, "unrecognized option '%s'", option_str); + } else if (options.server_host == NULL) { options.server_host = *options_left; - - printf("server.name == '%s'\n", options.server_host); } else if (options.server_port == 0) { options.server_port = atoi(*options_left); if (options.server_port < 1024) Error(ERR_EXIT_HELP, "bad port number '%d'", options.server_port); - - printf("port == %d\n", options.server_port); } else Error(ERR_EXIT_HELP, "too many arguments"); @@ -418,8 +518,20 @@ void GetOptions(char *argv[]) void Error(int mode, char *format, ...) { - FILE *output_stream = stderr; char *process_name = ""; + FILE *error = stderr; + + /* display warnings only when running in verbose mode */ + if (mode & ERR_WARN && !options.verbose) + return; + +#ifdef MSDOS + if ((error = openErrorFile()) == NULL) + { + printf("Cannot write to error output file!\n"); + CloseAllAndExit(1); + } +#endif if (mode & ERR_SOUND_SERVER) process_name = " sound server"; @@ -432,26 +544,34 @@ void Error(int mode, char *format, ...) { va_list ap; - fprintf(output_stream, "%s%s: ", program_name, process_name); + fprintf(error, "%s%s: ", program_name, process_name); if (mode & ERR_WARN) - fprintf(output_stream, "warning: "); + fprintf(error, "warning: "); va_start(ap, format); - vfprintf(output_stream, format, ap); + vfprintf(error, format, ap); va_end(ap); - fprintf(output_stream, "\n"); + fprintf(error, "\n"); } if (mode & ERR_HELP) - fprintf(output_stream, "%s: Try option '--help' for more information.\n", + fprintf(error, "%s: Try option '--help' for more information.\n", program_name); + if (mode & ERR_EXIT) + fprintf(error, "%s%s: aborting\n", program_name, process_name); + + if (error != stderr) + fclose(error); + if (mode & ERR_EXIT) { - fprintf(output_stream, "%s%s: aborting\n", program_name, process_name); - CloseAllAndExit(1); + if (mode & ERR_FROM_SERVER) + exit(1); /* child process: normal exit */ + else + CloseAllAndExit(1); /* main process: clean up stuff */ } } @@ -479,6 +599,84 @@ void *checked_calloc(unsigned long size) return ptr; } +short getFile16BitInteger(FILE *file, int byte_order) +{ + if (byte_order == BYTE_ORDER_BIG_ENDIAN) + return ((fgetc(file) << 8) | + (fgetc(file) << 0)); + else /* BYTE_ORDER_LITTLE_ENDIAN */ + return ((fgetc(file) << 0) | + (fgetc(file) << 8)); +} + +void putFile16BitInteger(FILE *file, short value, int byte_order) +{ + if (byte_order == BYTE_ORDER_BIG_ENDIAN) + { + fputc((value >> 8) & 0xff, file); + fputc((value >> 0) & 0xff, file); + } + else /* BYTE_ORDER_LITTLE_ENDIAN */ + { + fputc((value >> 0) & 0xff, file); + fputc((value >> 8) & 0xff, file); + } +} + +int getFile32BitInteger(FILE *file, int byte_order) +{ + if (byte_order == BYTE_ORDER_BIG_ENDIAN) + return ((fgetc(file) << 24) | + (fgetc(file) << 16) | + (fgetc(file) << 8) | + (fgetc(file) << 0)); + else /* BYTE_ORDER_LITTLE_ENDIAN */ + return ((fgetc(file) << 0) | + (fgetc(file) << 8) | + (fgetc(file) << 16) | + (fgetc(file) << 24)); +} + +void putFile32BitInteger(FILE *file, int value, int byte_order) +{ + if (byte_order == BYTE_ORDER_BIG_ENDIAN) + { + fputc((value >> 24) & 0xff, file); + fputc((value >> 16) & 0xff, file); + fputc((value >> 8) & 0xff, file); + fputc((value >> 0) & 0xff, file); + } + else /* BYTE_ORDER_LITTLE_ENDIAN */ + { + fputc((value >> 0) & 0xff, file); + fputc((value >> 8) & 0xff, file); + fputc((value >> 16) & 0xff, file); + fputc((value >> 24) & 0xff, file); + } +} + +void getFileChunk(FILE *file, char *chunk_buffer, int *chunk_length, + int byte_order) +{ + const int chunk_identifier_length = 4; + + /* read chunk identifier */ + fgets(chunk_buffer, chunk_identifier_length + 1, file); + + /* read chunk length */ + *chunk_length = getFile32BitInteger(file, byte_order); +} + +void putFileChunk(FILE *file, char *chunk_name, int chunk_length, + int byte_order) +{ + /* write chunk identifier */ + fputs(chunk_name, file); + + /* write chunk length */ + putFile32BitInteger(file, chunk_length, byte_order); +} + #define TRANSLATE_KEYSYM_TO_KEYNAME 0 #define TRANSLATE_KEYSYM_TO_X11KEYNAME 1 #define TRANSLATE_X11KEYNAME_TO_KEYSYM 2 @@ -537,21 +735,53 @@ void translate_keyname(KeySym *keysym, char **x11name, char **name, int mode) { XK_End, "XK_End", "end" }, { XK_Page_Up, "XK_Page_Up", "page up" }, { XK_Page_Down, "XK_Page_Down", "page down" }, - { XK_space, "XK_space", "space" }, - /* even more special keys */ - { XK_adiaeresis, "XK_adiaeresis", "ä" }, - { XK_odiaeresis, "XK_odiaeresis", "ö" }, - { XK_udiaeresis, "XK_udiaeresis", "ü" }, + + /* ASCII 0x20 to 0x40 keys (except numbers) */ + { XK_space, "XK_space", "space" }, + { XK_exclam, "XK_exclam", "!" }, + { XK_quotedbl, "XK_quotedbl", "\"" }, + { XK_numbersign, "XK_numbersign", "#" }, + { XK_dollar, "XK_dollar", "$" }, + { XK_percent, "XK_percent", "%" }, + { XK_ampersand, "XK_ampersand", "&" }, { XK_apostrophe, "XK_apostrophe", "'" }, + { XK_parenleft, "XK_parenleft", "(" }, + { XK_parenright, "XK_parenright", ")" }, + { XK_asterisk, "XK_asterisk", "*" }, { XK_plus, "XK_plus", "+" }, - { XK_minus, "XK_minus", "-" }, { XK_comma, "XK_comma", "," }, + { XK_minus, "XK_minus", "-" }, { XK_period, "XK_period", "." }, - { XK_numbersign, "XK_numbersign", "#" }, - { XK_less, "XK_less", "less" }, - { XK_greater, "XK_greater", "greater" }, + { XK_slash, "XK_slash", "/" }, + { XK_colon, "XK_colon", ":" }, + { XK_semicolon, "XK_semicolon", ";" }, + { XK_less, "XK_less", "<" }, + { XK_equal, "XK_equal", "=" }, + { XK_greater, "XK_greater", ">" }, + { XK_question, "XK_question", "?" }, + { XK_at, "XK_at", "@" }, + + /* more ASCII keys */ + { XK_bracketleft, "XK_bracketleft", "[" }, + { XK_backslash, "XK_backslash", "backslash" }, + { XK_bracketright, "XK_bracketright", "]" }, { XK_asciicircum, "XK_asciicircum", "circumflex" }, + { XK_underscore, "XK_underscore", "_" }, + { XK_grave, "XK_grave", "grave" }, + { XK_quoteleft, "XK_quoteleft", "quote left" }, + { XK_braceleft, "XK_braceleft", "brace left" }, + { XK_bar, "XK_bar", "bar" }, + { XK_braceright, "XK_braceright", "brace right" }, + { XK_asciitilde, "XK_asciitilde", "ascii tilde" }, + + /* special (non-ASCII) keys */ + { XK_Adiaeresis, "XK_Adiaeresis", "Ä" }, + { XK_Odiaeresis, "XK_Odiaeresis", "Ö" }, + { XK_Udiaeresis, "XK_Udiaeresis", "Ü" }, + { XK_adiaeresis, "XK_adiaeresis", "ä" }, + { XK_odiaeresis, "XK_odiaeresis", "ö" }, + { XK_udiaeresis, "XK_udiaeresis", "ü" }, { XK_ssharp, "XK_ssharp", "sharp s" }, /* end-of-array identifier */ @@ -743,6 +973,21 @@ KeySym getKeySymFromX11KeyName(char *x11name) return keysym; } +char getCharFromKeySym(KeySym keysym) +{ + char *keyname = getKeyNameFromKeySym(keysym); + char letter = 0; + + if (strlen(keyname) == 1) + letter = keyname[0]; + else if (strcmp(keyname, "space") == 0) + letter = ' '; + else if (strcmp(keyname, "circumflex") == 0) + letter = '^'; + + return letter; +} + #define TRANSLATE_JOYSYMBOL_TO_JOYNAME 0 #define TRANSLATE_JOYNAME_TO_JOYSYMBOL 1 @@ -808,7 +1053,231 @@ int getJoySymbolFromJoyName(char *name) return joysymbol; } -/* the following is only for debugging purpose and normally not used */ +int getJoystickNrFromDeviceName(char *device_name) +{ + char c; + int joystick_nr = 0; + + if (device_name == NULL || device_name[0] == '\0') + return 0; + + c = device_name[strlen(device_name) - 1]; + + if (c >= '0' && c <= '9') + joystick_nr = (int)(c - '0'); + + if (joystick_nr < 0 || joystick_nr >= MAX_PLAYERS) + joystick_nr = 0; + + return joystick_nr; +} + +/* ------------------------------------------------------------------------- */ +/* some functions to handle lists of level directories */ +/* ------------------------------------------------------------------------- */ + +struct LevelDirInfo *newLevelDirInfo() +{ + return checked_calloc(sizeof(struct LevelDirInfo)); +} + +void pushLevelDirInfo(struct LevelDirInfo **node_first, + struct LevelDirInfo *node_new) +{ + node_new->next = *node_first; + *node_first = node_new; +} + +int numLevelDirInfo(struct LevelDirInfo *node) +{ + int num = 0; + + while (node) + { + num++; + node = node->next; + } + + return num; +} + +boolean validLevelSeries(struct LevelDirInfo *node) +{ + return (node != NULL && !node->node_group && !node->parent_link); +} + +struct LevelDirInfo *getFirstValidLevelSeries(struct LevelDirInfo *node) +{ + if (node == NULL) /* start with first level directory entry */ + return getFirstValidLevelSeries(leveldir_first); + else if (node->node_group) /* enter level group (step down into tree) */ + return getFirstValidLevelSeries(node->node_group); + else if (node->parent_link) /* skip start entry of level group */ + { + if (node->next) /* get first real level series entry */ + return getFirstValidLevelSeries(node->next); + else /* leave empty level group and go on */ + return getFirstValidLevelSeries(node->node_parent->next); + } + else /* this seems to be a regular level series */ + return node; +} + +struct LevelDirInfo *getLevelDirInfoFirstGroupEntry(struct LevelDirInfo *node) +{ + if (node == NULL) + return NULL; + + if (node->node_parent == NULL) /* top level group */ + return leveldir_first; + else /* sub level group */ + return node->node_parent->node_group; +} + +int numLevelDirInfoInGroup(struct LevelDirInfo *node) +{ + return numLevelDirInfo(getLevelDirInfoFirstGroupEntry(node)); +} + +int posLevelDirInfo(struct LevelDirInfo *node) +{ + struct LevelDirInfo *node_cmp = getLevelDirInfoFirstGroupEntry(node); + int pos = 0; + + while (node_cmp) + { + if (node_cmp == node) + return pos; + + pos++; + node_cmp = node_cmp->next; + } + + return 0; +} + +struct LevelDirInfo *getLevelDirInfoFromPos(struct LevelDirInfo *node, int pos) +{ + struct LevelDirInfo *node_default = node; + int pos_cmp = 0; + + while (node) + { + if (pos_cmp == pos) + return node; + + pos_cmp++; + node = node->next; + } + + return node_default; +} + +struct LevelDirInfo *getLevelDirInfoFromFilenameExt(struct LevelDirInfo *node, + char *filename) +{ + if (filename == NULL) + return NULL; + + while (node) + { + if (node->node_group) + { + struct LevelDirInfo *node_group; + + node_group = getLevelDirInfoFromFilenameExt(node->node_group, filename); + + if (node_group) + return node_group; + } + else if (!node->parent_link) + { + if (strcmp(filename, node->filename) == 0) + return node; + } + + node = node->next; + } + + return NULL; +} + +struct LevelDirInfo *getLevelDirInfoFromFilename(char *filename) +{ + return getLevelDirInfoFromFilenameExt(leveldir_first, filename); +} + +void dumpLevelDirInfo(struct LevelDirInfo *node, int depth) +{ + int i; + + while (node) + { + for (i=0; ifilename); + + if (node->node_group != NULL) + dumpLevelDirInfo(node->node_group, depth + 1); + + node = node->next; + } +} + +void sortLevelDirInfo(struct LevelDirInfo **node_first, + int (*compare_function)(const void *, const void *)) +{ + int num_nodes = numLevelDirInfo(*node_first); + struct LevelDirInfo **sort_array; + struct LevelDirInfo *node = *node_first; + int i = 0; + + if (num_nodes == 0) + return; + + /* allocate array for sorting structure pointers */ + sort_array = checked_calloc(num_nodes * sizeof(struct LevelDirInfo *)); + + /* writing structure pointers to sorting array */ + while (i < num_nodes && node) /* double boundary check... */ + { + sort_array[i] = node; + + i++; + node = node->next; + } + + /* sorting the structure pointers in the sorting array */ + qsort(sort_array, num_nodes, sizeof(struct LevelDirInfo *), + compare_function); + + /* update the linkage of list elements with the sorted node array */ + for (i=0; inext = sort_array[i + 1]; + sort_array[num_nodes - 1]->next = NULL; + + /* update the linkage of the main list anchor pointer */ + *node_first = sort_array[0]; + + free(sort_array); + + /* now recursively sort the level group structures */ + node = *node_first; + while (node) + { + if (node->node_group != NULL) + sortLevelDirInfo(&node->node_group, compare_function); + + node = node->next; + } +} + + +/* ------------------------------------------------------------------------- */ +/* the following is only for debugging purpose and normally not used */ +/* ------------------------------------------------------------------------- */ + #define DEBUG_NUM_TIMESTAMPS 3 void debug_print_timestamp(int counter_nr, char *message)