#include <sys/param.h>
#include <sys/types.h>
#include <stdarg.h>
+#include <ctype.h>
#include "misc.h"
#include "init.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 };
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;
delay.tv_usec = 1000 * (milliseconds_delay % 1000);
if (select(0, NULL, NULL, NULL, &delay) != 0)
- Error(ERR_RETURN, "sleep_milliseconds(): select() failed");
+ Error(ERR_WARN, "sleep_milliseconds(): select() failed");
}
}
*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)
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())))
- return("ANONYMOUS");
+ if ((pwd = getpwuid(getuid())) == NULL)
+ return ANONYMOUS_NAME;
else
- return(pwd->pw_name);
+ 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)
+ {
+ 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)
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<lev_fieldy && BorderElement == EL_LEERRAUM; y++)
+ {
+ for(x=0; x<lev_fieldx; x++)
+ {
+ if (!IS_MASSIVE(Feld[x][y]))
+ BorderElement = EL_BETON;
+
+ if (y != 0 && y != lev_fieldy - 1 && x != lev_fieldx - 1)
+ x = lev_fieldx - 2;
+ }
}
}
options.display_name = NULL;
options.server_host = NULL;
options.server_port = 0;
+ options.ro_base_directory = RO_BASE_PATH;
+ options.rw_base_directory = RW_BASE_PATH;
+ options.level_directory = RO_BASE_PATH "/" LEVELS_DIRECTORY;
options.serveronly = FALSE;
options.network = FALSE;
options.verbose = FALSE;
char *option_arg = NULL;
int option_len = strlen(option);
+ if (option_len >= 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++;
printf("Usage: %s [options] [server.name [port]]\n"
"Options:\n"
" -d, --display machine:0 X server display\n"
- " -l, --levels directory alternative level directory\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",
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);
- printf("--display == '%s'\n", options.display_name);
+ /* 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);
- level_directory = option_arg;
+ options.level_directory = option_arg;
if (option_arg == next_option)
options_left++;
-
- printf("--levels == '%s'\n", 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");
}
}
-void Error(int mode, char *format_str, ...)
+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;
- if (mode == ERR_EXIT_SOUNDSERVER)
+#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_str)
+ if (format)
{
va_list ap;
- char *format_ptr;
- char *s_value;
- int i_value;
- double d_value;
- fprintf(output_stream, "%s%s: ", program_name, process_name);
+ fprintf(error, "%s%s: ", program_name, process_name);
- va_start(ap, format_str); /* ap points to first unnamed argument */
-
- for(format_ptr=format_str; *format_ptr; format_ptr++)
- {
- if (*format_ptr != '%')
- {
- fprintf(output_stream, "%c", *format_ptr);
- continue;
- }
-
- switch(*++format_ptr)
- {
- case 'd':
- i_value = va_arg(ap, int);
- fprintf(output_stream, "%d", i_value);
- break;
-
- case 'f':
- d_value = va_arg(ap, double);
- fprintf(output_stream, "%f", d_value);
- break;
-
- case 's':
- s_value = va_arg(ap, char *);
- fprintf(output_stream, "%s", s_value);
- break;
-
- default:
- fprintf(stderr, "\n%s: Error(): invalid format string: %s\n",
- program_name, format_str);
- CloseAllAndExit(10);
- }
- }
+ if (mode & ERR_WARN)
+ fprintf(error, "warning: ");
+ va_start(ap, format);
+ vfprintf(error, format, ap);
va_end(ap);
- fprintf(output_stream, "\n");
+ fprintf(error, "\n");
}
- if (mode == ERR_EXIT_HELP)
- fprintf(output_stream, "%s: Try option '--help' for more information.\n",
+ if (mode & ERR_HELP)
+ fprintf(error, "%s: Try option '--help' for more information.\n",
program_name);
- if (mode != ERR_RETURN)
+ 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 */
}
}
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
{ 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 */
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
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; i<depth * 3; i++)
+ printf(" ");
+
+ printf("filename == '%s'\n", node->filename);
+
+ 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; i<num_nodes - 1; i++)
+ sort_array[i]->next = 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();
+}
projects / rocksndiamonds.git / blobdiff