X-Git-Url: https://git.artsoft.org/?p=rocksndiamonds.git;a=blobdiff_plain;f=src%2Fmisc.c;h=c32aa55515b13650e2ba97a7f21cdfd85c38def3;hp=1ab116d6b771458990b295f4d676b32f36707142;hb=c8dd3c1abd6a1daf4f7431a59db721ae7fba3d17;hpb=823bddb0d9cc63ddda17a2cd20266aa3b82bde38 diff --git a/src/misc.c b/src/misc.c index 1ab116d6..c32aa555 100644 --- a/src/misc.c +++ b/src/misc.c @@ -11,18 +11,40 @@ * misc.c * ***********************************************************/ -#include "misc.h" -#include "tools.h" -#include "sound.h" -#include "random.h" - #include #include #include #include #include #include +#include +#include + +#include "misc.h" +#include "init.h" +#include "tools.h" +#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 }; @@ -39,20 +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; @@ -73,8 +114,7 @@ static void sleep_milliseconds(unsigned long milliseconds_delay) delay.tv_usec = 1000 * (milliseconds_delay % 1000); if (select(0, NULL, NULL, NULL, &delay) != 0) - fprintf(stderr,"%s: in function sleep_milliseconds: select() failed!\n", - progname); + Error(ERR_WARN, "sleep_milliseconds(): select() failed"); } } @@ -83,7 +123,8 @@ void Delay(unsigned long delay) /* Sleep specified number of milliseconds */ sleep_milliseconds(delay); } -BOOL FrameReached(unsigned long *frame_counter_var, unsigned long frame_delay) +boolean FrameReached(unsigned long *frame_counter_var, + unsigned long frame_delay) { unsigned long actual_frame_counter = FrameCounter; @@ -95,7 +136,8 @@ BOOL FrameReached(unsigned long *frame_counter_var, unsigned long frame_delay) return(TRUE); } -BOOL DelayReached(unsigned long *counter_var, unsigned long delay) +boolean DelayReached(unsigned long *counter_var, + unsigned long delay) { unsigned long actual_counter = Counter(); @@ -125,12 +167,34 @@ void WaitUntilDelayReached(unsigned long *counter_var, unsigned long delay) *counter_var = actual_counter; } -char *int2str(int ct, int nr) +/* 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 str[20]; + static char shift_array[10][40]; + static int shift_counter = 0; + char *s = shift_array[shift_counter]; + + shift_counter = (shift_counter + 1) % 10; - sprintf(str,"%09d",ct); - return(&str[strlen(str)-nr]); + if (size > 20) + size = 20; + + if (size) + { + sprintf(s, " %09d", number); + return &s[strlen(s) - size]; + } + else + { + sprintf(s, "%d", number); + return s; + } } unsigned int SimpleRND(unsigned int max) @@ -140,39 +204,157 @@ unsigned int SimpleRND(unsigned int max) gettimeofday(¤t_time,NULL); root = root * 4253261 + current_time.tv_sec + current_time.tv_usec; - return(root % max); + return (root % max); } +#ifdef DEBUG +static unsigned int last_RND_value = 0; + +unsigned int last_RND() +{ + return last_RND_value; +} +#endif + unsigned int RND(unsigned int max) { - return(random_linux_libc() % max); +#ifdef DEBUG + return (last_RND_value = random_linux_libc() % max); +#else + return (random_linux_libc() % max); +#endif } unsigned int InitRND(long seed) { struct timeval current_time; - if (seed==NEW_RANDOMIZE) + if (seed == NEW_RANDOMIZE) { gettimeofday(¤t_time,NULL); srandom_linux_libc((unsigned int) current_time.tv_usec); - return((unsigned int) current_time.tv_usec); + return (unsigned int)current_time.tv_usec; } else { srandom_linux_libc((unsigned int) seed); - return((unsigned int) seed); + return (unsigned int)seed; } } -char *GetLoginName() +char *getLoginName() +{ + struct passwd *pwd; + + if ((pwd = getpwuid(getuid())) == NULL) + return ANONYMOUS_NAME; + else + return pwd->pw_name; +} + +char *getRealName() { +#ifndef MSDOS struct passwd *pwd; - if (!(pwd=getpwuid(getuid()))) - return("ANONYMOUS"); + if ((pwd = getpwuid(getuid())) == NULL || strlen(pwd->pw_gecos) == 0) + return ANONYMOUS_NAME; else - return(pwd->pw_name); + { + 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) + { + if (!(home_dir = getenv("HOME"))) + { + struct passwd *pwd; + + if ((pwd = getpwuid(getuid()))) + home_dir = pwd->pw_dir; + else + home_dir = "."; + } + } + + return home_dir; +#else + return "."; +#endif +} + +char *getPath2(char *path1, char *path2) +{ + char *complete_path = checked_malloc(strlen(path1) + 1 + + strlen(path2) + 1); + + sprintf(complete_path, "%s/%s", path1, path2); + return complete_path; +} + +char *getPath3(char *path1, char *path2, char *path3) +{ + char *complete_path = checked_malloc(strlen(path1) + 1 + + strlen(path2) + 1 + + strlen(path3) + 1); + + sprintf(complete_path, "%s/%s/%s", path1, path2, path3); + return complete_path; +} + +char *getStringCopy(char *s) +{ + char *s_copy; + + if (s == NULL) + return NULL; + + s_copy = checked_malloc(strlen(s) + 1); + + strcpy(s_copy, s); + return s_copy; +} + +char *getStringToLower(char *s) +{ + char *s_copy = checked_malloc(strlen(s) + 1); + char *s_ptr = s_copy; + + while (*s) + *s_ptr++ = tolower(*s++); + *s_ptr = '\0'; + + return s_copy; } void MarkTileDirty(int x, int y) @@ -181,9 +363,935 @@ void MarkTileDirty(int x, int y) int yy = redraw_y1 + y; if (!redraw[xx][yy]) - { - redraw[xx][yy] = TRUE; redraw_tiles++; - redraw_mask |= REDRAW_TILES; + + redraw[xx][yy] = TRUE; + 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 (strncmp(option, "--", 2) == 0) /* treat '--' like '-' */ + option++; + + option_arg = strchr(option, '='); + if (option_arg == NULL) /* no '=' in option */ + option_arg = next_option; + else + { + *option_arg++ = '\0'; /* cut argument from option */ + if (*option_arg == '\0') /* no argument after '=' */ + Error(ERR_EXIT_HELP, "option '%s' has invalid argument", option_str); + } + + option_len = strlen(option); + + if (strcmp(option, "-") == 0) + Error(ERR_EXIT_HELP, "unrecognized option '%s'", option); + else if (strncmp(option, "-help", option_len) == 0) + { + printf("Usage: %s [options] [server.name [port]]\n" + "Options:\n" + " -d, --display machine:0 X server display\n" + " -b, --basepath directory alternative base 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", + program_name); + exit(0); + } + else if (strncmp(option, "-display", option_len) == 0) + { + if (option_arg == NULL) + Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str); + + options.display_name = option_arg; + if (option_arg == next_option) + options_left++; + } + else if (strncmp(option, "-basepath", option_len) == 0) + { + if (option_arg == NULL) + Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str); + + /* 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++; + + /* adjust path for level directory accordingly */ + options.level_directory = + getPath2(options.ro_base_directory, LEVELS_DIRECTORY); + } + else if (strncmp(option, "-levels", option_len) == 0) + { + if (option_arg == NULL) + Error(ERR_EXIT_HELP, "option '%s' requires an argument", option_str); + + options.level_directory = option_arg; + if (option_arg == next_option) + options_left++; + } + else if (strncmp(option, "-network", option_len) == 0) + { + options.network = TRUE; + } + else if (strncmp(option, "-serveronly", option_len) == 0) + { + options.serveronly = TRUE; + } + else if (strncmp(option, "-verbose", option_len) == 0) + { + 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; + } + 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); + } + else + Error(ERR_EXIT_HELP, "too many arguments"); + + options_left++; + } +} + +void Error(int mode, char *format, ...) +{ + 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"; + else if (mode & ERR_NETWORK_SERVER) + process_name = " network server"; + else if (mode & ERR_NETWORK_CLIENT) + process_name = " network client **"; + + if (format) + { + va_list ap; + + fprintf(error, "%s%s: ", program_name, process_name); + + if (mode & ERR_WARN) + fprintf(error, "warning: "); + + va_start(ap, format); + vfprintf(error, format, ap); + va_end(ap); + + fprintf(error, "\n"); + } + + if (mode & ERR_HELP) + 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) + { + if (mode & ERR_FROM_SERVER) + exit(1); /* child process: normal exit */ + else + CloseAllAndExit(1); /* main process: clean up stuff */ + } +} + +void *checked_malloc(unsigned long size) +{ + void *ptr; + + ptr = malloc(size); + + if (ptr == NULL) + Error(ERR_EXIT, "cannot allocate %d bytes -- out of memory", size); + + return ptr; +} + +void *checked_calloc(unsigned long size) +{ + void *ptr; + + ptr = calloc(1, size); + + if (ptr == NULL) + Error(ERR_EXIT, "cannot allocate %d bytes -- out of memory", 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 + +void translate_keyname(KeySym *keysym, char **x11name, char **name, int mode) +{ + static struct + { + KeySym keysym; + char *x11name; + char *name; + } translate_key[] = + { + /* normal cursor keys */ + { XK_Left, "XK_Left", "cursor left" }, + { XK_Right, "XK_Right", "cursor right" }, + { XK_Up, "XK_Up", "cursor up" }, + { XK_Down, "XK_Down", "cursor down" }, + + /* keypad cursor keys */ +#ifdef XK_KP_Left + { XK_KP_Left, "XK_KP_Left", "keypad left" }, + { XK_KP_Right, "XK_KP_Right", "keypad right" }, + { XK_KP_Up, "XK_KP_Up", "keypad up" }, + { XK_KP_Down, "XK_KP_Down", "keypad down" }, +#endif + + /* other keypad keys */ +#ifdef XK_KP_Enter + { XK_KP_Enter, "XK_KP_Enter", "keypad enter" }, + { XK_KP_Add, "XK_KP_Add", "keypad +" }, + { XK_KP_Subtract, "XK_KP_Subtract", "keypad -" }, + { XK_KP_Multiply, "XK_KP_Multiply", "keypad mltply" }, + { XK_KP_Divide, "XK_KP_Divide", "keypad /" }, + { XK_KP_Separator, "XK_KP_Separator", "keypad ," }, +#endif + + /* modifier keys */ + { XK_Shift_L, "XK_Shift_L", "left shift" }, + { XK_Shift_R, "XK_Shift_R", "right shift" }, + { XK_Control_L, "XK_Control_L", "left control" }, + { XK_Control_R, "XK_Control_R", "right control" }, + { XK_Meta_L, "XK_Meta_L", "left meta" }, + { XK_Meta_R, "XK_Meta_R", "right meta" }, + { XK_Alt_L, "XK_Alt_L", "left alt" }, + { XK_Alt_R, "XK_Alt_R", "right alt" }, + { XK_Mode_switch, "XK_Mode_switch", "mode switch" }, + { XK_Multi_key, "XK_Multi_key", "multi key" }, + + /* some special keys */ + { XK_BackSpace, "XK_BackSpace", "backspace" }, + { XK_Delete, "XK_Delete", "delete" }, + { XK_Insert, "XK_Insert", "insert" }, + { XK_Tab, "XK_Tab", "tab" }, + { XK_Home, "XK_Home", "home" }, + { XK_End, "XK_End", "end" }, + { XK_Page_Up, "XK_Page_Up", "page up" }, + { XK_Page_Down, "XK_Page_Down", "page down" }, + + + /* 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_comma, "XK_comma", "," }, + { XK_minus, "XK_minus", "-" }, + { XK_period, "XK_period", "." }, + { 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 */ + { 0, NULL, NULL } + }; + + int i; + + if (mode == TRANSLATE_KEYSYM_TO_KEYNAME) + { + static char name_buffer[30]; + KeySym key = *keysym; + + if (key >= XK_A && key <= XK_Z) + sprintf(name_buffer, "%c", 'A' + (char)(key - XK_A)); + else if (key >= XK_a && key <= XK_z) + sprintf(name_buffer, "%c", 'a' + (char)(key - XK_a)); + else if (key >= XK_0 && key <= XK_9) + sprintf(name_buffer, "%c", '0' + (char)(key - XK_0)); + else if (key >= XK_KP_0 && key <= XK_KP_9) + sprintf(name_buffer, "keypad %c", '0' + (char)(key - XK_KP_0)); + else if (key >= XK_F1 && key <= XK_F24) + sprintf(name_buffer, "function F%d", (int)(key - XK_F1 + 1)); + else if (key == KEY_UNDEFINDED) + strcpy(name_buffer, "(undefined)"); + else + { + i = 0; + + do + { + if (key == translate_key[i].keysym) + { + strcpy(name_buffer, translate_key[i].name); + break; + } + } + while (translate_key[++i].name); + + if (!translate_key[i].name) + strcpy(name_buffer, "(unknown)"); + } + + *name = name_buffer; + } + else if (mode == TRANSLATE_KEYSYM_TO_X11KEYNAME) + { + static char name_buffer[30]; + KeySym key = *keysym; + + if (key >= XK_A && key <= XK_Z) + sprintf(name_buffer, "XK_%c", 'A' + (char)(key - XK_A)); + else if (key >= XK_a && key <= XK_z) + sprintf(name_buffer, "XK_%c", 'a' + (char)(key - XK_a)); + else if (key >= XK_0 && key <= XK_9) + sprintf(name_buffer, "XK_%c", '0' + (char)(key - XK_0)); + else if (key >= XK_KP_0 && key <= XK_KP_9) + sprintf(name_buffer, "XK_KP_%c", '0' + (char)(key - XK_KP_0)); + else if (key >= XK_F1 && key <= XK_F24) + sprintf(name_buffer, "XK_F%d", (int)(key - XK_F1 + 1)); + else if (key == KEY_UNDEFINDED) + strcpy(name_buffer, "[undefined]"); + else + { + i = 0; + + do + { + if (key == translate_key[i].keysym) + { + strcpy(name_buffer, translate_key[i].x11name); + break; + } + } + while (translate_key[++i].x11name); + + if (!translate_key[i].x11name) + sprintf(name_buffer, "0x%04lx", (unsigned long)key); + } + + *x11name = name_buffer; + } + else if (mode == TRANSLATE_X11KEYNAME_TO_KEYSYM) + { + KeySym key = XK_VoidSymbol; + char *name_ptr = *x11name; + + if (strncmp(name_ptr, "XK_", 3) == 0 && strlen(name_ptr) == 4) + { + char c = name_ptr[3]; + + if (c >= 'A' && c <= 'Z') + key = XK_A + (KeySym)(c - 'A'); + else if (c >= 'a' && c <= 'z') + key = XK_a + (KeySym)(c - 'a'); + else if (c >= '0' && c <= '9') + key = XK_0 + (KeySym)(c - '0'); + } + else if (strncmp(name_ptr, "XK_KP_", 6) == 0 && strlen(name_ptr) == 7) + { + char c = name_ptr[6]; + + if (c >= '0' && c <= '9') + key = XK_0 + (KeySym)(c - '0'); + } + else if (strncmp(name_ptr, "XK_F", 4) == 0 && strlen(name_ptr) <= 6) + { + char c1 = name_ptr[4]; + char c2 = name_ptr[5]; + int d = 0; + + if ((c1 >= '0' && c1 <= '9') && + ((c2 >= '0' && c1 <= '9') || c2 == '\0')) + d = atoi(&name_ptr[4]); + + if (d >=1 && d <= 24) + key = XK_F1 + (KeySym)(d - 1); + } + else if (strncmp(name_ptr, "XK_", 3) == 0) + { + i = 0; + + do + { + if (strcmp(name_ptr, translate_key[i].x11name) == 0) + { + key = translate_key[i].keysym; + break; + } + } + while (translate_key[++i].x11name); + } + else if (strncmp(name_ptr, "0x", 2) == 0) + { + unsigned long value = 0; + + name_ptr += 2; + + while (name_ptr) + { + char c = *name_ptr++; + int d = -1; + + if (c >= '0' && c <= '9') + d = (int)(c - '0'); + else if (c >= 'a' && c <= 'f') + d = (int)(c - 'a' + 10); + else if (c >= 'A' && c <= 'F') + d = (int)(c - 'A' + 10); + + if (d == -1) + { + value = -1; + break; + } + + value = value * 16 + d; + } + + if (value != -1) + key = (KeySym)value; + } + + *keysym = key; + } +} + +char *getKeyNameFromKeySym(KeySym keysym) +{ + char *name; + + translate_keyname(&keysym, NULL, &name, TRANSLATE_KEYSYM_TO_KEYNAME); + return name; +} + +char *getX11KeyNameFromKeySym(KeySym keysym) +{ + char *x11name; + + translate_keyname(&keysym, &x11name, NULL, TRANSLATE_KEYSYM_TO_X11KEYNAME); + return x11name; +} + +KeySym getKeySymFromX11KeyName(char *x11name) +{ + KeySym keysym; + + translate_keyname(&keysym, &x11name, NULL, TRANSLATE_X11KEYNAME_TO_KEYSYM); + 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 + +void translate_joyname(int *joysymbol, char **name, int mode) +{ + static struct + { + int joysymbol; + char *name; + } translate_joy[] = + { + { JOY_LEFT, "joystick_left" }, + { JOY_RIGHT, "joystick_right" }, + { JOY_UP, "joystick_up" }, + { JOY_DOWN, "joystick_down" }, + { JOY_BUTTON_1, "joystick_button_1" }, + { JOY_BUTTON_2, "joystick_button_2" }, + }; + + int i; + + if (mode == TRANSLATE_JOYSYMBOL_TO_JOYNAME) + { + *name = "[undefined]"; + + for (i=0; i<6; i++) + { + if (*joysymbol == translate_joy[i].joysymbol) + { + *name = translate_joy[i].name; + break; + } + } + } + else if (mode == TRANSLATE_JOYNAME_TO_JOYSYMBOL) + { + *joysymbol = 0; + + for (i=0; i<6; i++) + { + if (strcmp(*name, translate_joy[i].name) == 0) + { + *joysymbol = translate_joy[i].joysymbol; + break; + } + } + } +} + +char *getJoyNameFromJoySymbol(int joysymbol) +{ + char *name; + + translate_joyname(&joysymbol, &name, TRANSLATE_JOYSYMBOL_TO_JOYNAME); + return name; +} + +int getJoySymbolFromJoyName(char *name) +{ + int joysymbol; + + translate_joyname(&joysymbol, &name, TRANSLATE_JOYNAME_TO_JOYSYMBOL); + return joysymbol; +} + +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) +{ + static long counter[DEBUG_NUM_TIMESTAMPS][2]; + + if (counter_nr >= DEBUG_NUM_TIMESTAMPS) + Error(ERR_EXIT, "debugging: increase DEBUG_NUM_TIMESTAMPS in misc.c"); + + counter[counter_nr][0] = Counter(); + + if (message) + printf("%s %.2f seconds\n", message, + (float)(counter[counter_nr][0] - counter[counter_nr][1]) / 1000); + + counter[counter_nr][1] = Counter(); +}