* misc.c *
***********************************************************/
-#include <pwd.h>
-#include <unistd.h>
+#include "platform.h"
+
#include <time.h>
#include <sys/time.h>
-#include <sys/param.h>
#include <sys/types.h>
#include <stdarg.h>
#include <ctype.h>
+#if !defined(PLATFORM_WIN32)
+#include <pwd.h>
+#include <sys/param.h>
+#endif
+
#include "misc.h"
#include "init.h"
#include "tools.h"
#include "joystick.h"
#include "files.h"
-#ifdef MSDOS
+#if defined(PLATFORM_MSDOS)
volatile unsigned long counter = 0;
void increment_counter()
#endif
-
/* maximal allowed length of a command line option */
#define MAX_OPTION_LEN 256
-#ifndef MSDOS
+#ifdef TARGET_SDL
+static unsigned long mainCounter(int mode)
+{
+ static unsigned long base_ms = 0;
+ unsigned long current_ms;
+ unsigned long counter_ms;
+
+ current_ms = SDL_GetTicks();
+
+ /* reset base time in case of counter initializing or wrap-around */
+ if (mode == INIT_COUNTER || current_ms < base_ms)
+ base_ms = current_ms;
+
+ counter_ms = current_ms - base_ms;
+
+ return counter_ms; /* return milliseconds since last init */
+}
+
+#else /* !TARGET_SDL */
+
+#if defined(PLATFORM_UNIX)
static unsigned long mainCounter(int mode)
{
static struct timeval base_time = { 0, 0 };
gettimeofday(¤t_time, NULL);
+ /* reset base time in case of counter initializing or wrap-around */
if (mode == INIT_COUNTER || current_time.tv_sec < base_time.tv_sec)
base_time = current_time;
return counter_ms; /* return milliseconds since last init */
}
-#endif
+#endif /* PLATFORM_UNIX */
+#endif /* !TARGET_SDL */
void InitCounter() /* set counter back to zero */
{
-#ifndef MSDOS
+#if !defined(PLATFORM_MSDOS)
mainCounter(INIT_COUNTER);
#else
LOCK_VARIABLE(counter);
unsigned long Counter() /* get milliseconds since last call of InitCounter() */
{
-#ifndef MSDOS
+#if !defined(PLATFORM_MSDOS)
return mainCounter(READ_COUNTER);
#else
return (counter * 10);
{
boolean do_busy_waiting = (milliseconds_delay < 5 ? TRUE : FALSE);
-#ifdef MSDOS
- /* donït use select() to perform waiting operations under DOS/Windows
+#if defined(PLATFORM_MSDOS)
+ /* don't use select() to perform waiting operations under DOS/Windows
environment; always use a busy loop for waiting instead */
do_busy_waiting = TRUE;
#endif
}
else
{
+#if defined(TARGET_SDL)
+ SDL_Delay(milliseconds_delay);
+#else
struct timeval delay;
delay.tv_sec = milliseconds_delay / 1000;
if (select(0, NULL, NULL, NULL, &delay) != 0)
Error(ERR_WARN, "sleep_milliseconds(): select() failed");
+#endif
}
}
unsigned int SimpleRND(unsigned int max)
{
+#if defined(TARGET_SDL)
+ static unsigned long root = 654321;
+ unsigned long current_ms;
+
+ current_ms = SDL_GetTicks();
+ root = root * 4253261 + current_ms;
+ return (root % max);
+#else
static unsigned long root = 654321;
struct timeval current_time;
- gettimeofday(¤t_time,NULL);
+ gettimeofday(¤t_time, NULL);
root = root * 4253261 + current_time.tv_sec + current_time.tv_usec;
return (root % max);
+#endif
}
#ifdef DEBUG
unsigned int InitRND(long seed)
{
+#if defined(TARGET_SDL)
+ unsigned long current_ms;
+
+ if (seed == NEW_RANDOMIZE)
+ {
+ current_ms = SDL_GetTicks();
+ srandom_linux_libc((unsigned int) current_ms);
+ return (unsigned int) current_ms;
+ }
+ else
+ {
+ srandom_linux_libc((unsigned int) seed);
+ return (unsigned int) seed;
+ }
+#else
struct timeval current_time;
if (seed == NEW_RANDOMIZE)
{
- gettimeofday(¤t_time,NULL);
+ 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;
}
+#endif
}
char *getLoginName()
{
+#if defined(PLATFORM_WIN32)
+ return ANONYMOUS_NAME;
+#else
struct passwd *pwd;
if ((pwd = getpwuid(getuid())) == NULL)
return ANONYMOUS_NAME;
else
return pwd->pw_name;
+#endif
}
char *getRealName()
{
-#ifndef MSDOS
+#if defined(PLATFORM_UNIX)
struct passwd *pwd;
if ((pwd = getpwuid(getuid())) == NULL || strlen(pwd->pw_gecos) == 0)
return real_name;
}
-#else
+#else /* !PLATFORM_UNIX */
return ANONYMOUS_NAME;
#endif
}
char *getHomeDir()
{
-#ifndef MSDOS
+#if defined(PLATFORM_UNIX)
static char *home_dir = NULL;
if (!home_dir)
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;
options.serveronly = FALSE;
options.network = FALSE;
options.verbose = FALSE;
+ options.debug = FALSE;
+
+ /* initialize some more global variables */
+ global.frames_per_second = 0;
+ global.fps_slowdown = FALSE;
+ global.fps_slowdown_factor = 1;
while (*options_left)
{
"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",
{
options.verbose = TRUE;
}
+ else if (strncmp(option, "-debug", option_len) == 0)
+ {
+ options.debug = TRUE;
+ }
else if (*option == '-')
{
Error(ERR_EXIT_HELP, "unrecognized option '%s'", option_str);
if (mode & ERR_WARN && !options.verbose)
return;
-#ifdef MSDOS
+#if !defined(PLATFORM_UNIX)
if ((error = openErrorFile()) == NULL)
{
printf("Cannot write to error output file!\n");
#define TRANSLATE_KEYSYM_TO_X11KEYNAME 1
#define TRANSLATE_X11KEYNAME_TO_KEYSYM 2
-void translate_keyname(KeySym *keysym, char **x11name, char **name, int mode)
+void translate_keyname(Key *keysym, char **x11name, char **name, int mode)
{
static struct
{
- KeySym keysym;
+ Key key;
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" },
+ { KSYM_Left, "XK_Left", "cursor left" },
+ { KSYM_Right, "XK_Right", "cursor right" },
+ { KSYM_Up, "XK_Up", "cursor up" },
+ { KSYM_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" },
+#ifdef KSYM_KP_Left
+ { KSYM_KP_Left, "XK_KP_Left", "keypad left" },
+ { KSYM_KP_Right, "XK_KP_Right", "keypad right" },
+ { KSYM_KP_Up, "XK_KP_Up", "keypad up" },
+ { KSYM_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 ," },
+#ifdef KSYM_KP_Enter
+ { KSYM_KP_Enter, "XK_KP_Enter", "keypad enter" },
+ { KSYM_KP_Add, "XK_KP_Add", "keypad +" },
+ { KSYM_KP_Subtract, "XK_KP_Subtract", "keypad -" },
+ { KSYM_KP_Multiply, "XK_KP_Multiply", "keypad mltply" },
+ { KSYM_KP_Divide, "XK_KP_Divide", "keypad /" },
+ { KSYM_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" },
+ { KSYM_Shift_L, "XK_Shift_L", "left shift" },
+ { KSYM_Shift_R, "XK_Shift_R", "right shift" },
+ { KSYM_Control_L, "XK_Control_L", "left control" },
+ { KSYM_Control_R, "XK_Control_R", "right control" },
+ { KSYM_Meta_L, "XK_Meta_L", "left meta" },
+ { KSYM_Meta_R, "XK_Meta_R", "right meta" },
+ { KSYM_Alt_L, "XK_Alt_L", "left alt" },
+ { KSYM_Alt_R, "XK_Alt_R", "right alt" },
+ { KSYM_Super_L, "XK_Super_L", "left super" }, /* Win-L */
+ { KSYM_Super_R, "XK_Super_R", "right super" }, /* Win-R */
+ { KSYM_Mode_switch, "XK_Mode_switch", "mode switch" }, /* Alt-R */
+ { KSYM_Multi_key, "XK_Multi_key", "multi key" }, /* Ctrl-R */
/* 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" },
-
+ { KSYM_BackSpace, "XK_BackSpace", "backspace" },
+ { KSYM_Delete, "XK_Delete", "delete" },
+ { KSYM_Insert, "XK_Insert", "insert" },
+ { KSYM_Tab, "XK_Tab", "tab" },
+ { KSYM_Home, "XK_Home", "home" },
+ { KSYM_End, "XK_End", "end" },
+ { KSYM_Page_Up, "XK_Page_Up", "page up" },
+ { KSYM_Page_Down, "XK_Page_Down", "page down" },
+ { KSYM_Menu, "XK_Menu", "menu" }, /* Win-Menu */
/* 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", "$" },
- { XK_percent, "XK_percent", "%" },
- { XK_ampersand, "XK_ampersand", "&" },
- { XK_apostrophe, "XK_apostrophe", "'" },
- { XK_parenleft, "XK_parenleft", "(" },
- { XK_parenright, "XK_parenright", ")" },
- { XK_asterisk, "XK_asterisk", "*" },
- { XK_plus, "XK_plus", "+" },
- { XK_comma, "XK_comma", "," },
- { XK_minus, "XK_minus", "-" },
- { XK_period, "XK_period", "." },
- { XK_slash, "XK_slash", "/" },
- { XK_colon, "XK_colon", ":" },
- { XK_semicolon, "XK_semicolon", ";" },
- { XK_less, "XK_less", "<" },
- { XK_equal, "XK_equal", "=" },
- { XK_greater, "XK_greater", ">" },
- { XK_question, "XK_question", "?" },
- { XK_at, "XK_at", "@" },
+ { KSYM_space, "XK_space", "space" },
+ { KSYM_exclam, "XK_exclam", "!" },
+ { KSYM_quotedbl, "XK_quotedbl", "\"" },
+ { KSYM_numbersign, "XK_numbersign", "#" },
+ { KSYM_dollar, "XK_dollar", "$" },
+ { KSYM_percent, "XK_percent", "%" },
+ { KSYM_ampersand, "XK_ampersand", "&" },
+ { KSYM_apostrophe, "XK_apostrophe", "'" },
+ { KSYM_parenleft, "XK_parenleft", "(" },
+ { KSYM_parenright, "XK_parenright", ")" },
+ { KSYM_asterisk, "XK_asterisk", "*" },
+ { KSYM_plus, "XK_plus", "+" },
+ { KSYM_comma, "XK_comma", "," },
+ { KSYM_minus, "XK_minus", "-" },
+ { KSYM_period, "XK_period", "." },
+ { KSYM_slash, "XK_slash", "/" },
+ { KSYM_colon, "XK_colon", ":" },
+ { KSYM_semicolon, "XK_semicolon", ";" },
+ { KSYM_less, "XK_less", "<" },
+ { KSYM_equal, "XK_equal", "=" },
+ { KSYM_greater, "XK_greater", ">" },
+ { KSYM_question, "XK_question", "?" },
+ { KSYM_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" },
+ { KSYM_bracketleft, "XK_bracketleft", "[" },
+ { KSYM_backslash, "XK_backslash", "backslash" },
+ { KSYM_bracketright,"XK_bracketright", "]" },
+ { KSYM_asciicircum, "XK_asciicircum", "circumflex" },
+ { KSYM_underscore, "XK_underscore", "_" },
+ { KSYM_grave, "XK_grave", "grave" },
+ { KSYM_quoteleft, "XK_quoteleft", "quote left" },
+ { KSYM_braceleft, "XK_braceleft", "brace left" },
+ { KSYM_bar, "XK_bar", "bar" },
+ { KSYM_braceright, "XK_braceright", "brace right" },
+ { KSYM_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" },
+ { KSYM_Adiaeresis, "XK_Adiaeresis", "Ä" },
+ { KSYM_Odiaeresis, "XK_Odiaeresis", "Ö" },
+ { KSYM_Udiaeresis, "XK_Udiaeresis", "Ü" },
+ { KSYM_adiaeresis, "XK_adiaeresis", "ä" },
+ { KSYM_odiaeresis, "XK_odiaeresis", "ö" },
+ { KSYM_udiaeresis, "XK_udiaeresis", "ü" },
+ { KSYM_ssharp, "XK_ssharp", "sharp s" },
/* end-of-array identifier */
{ 0, NULL, NULL }
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)
+ Key key = *keysym;
+
+ if (key >= KSYM_A && key <= KSYM_Z)
+ sprintf(name_buffer, "%c", 'A' + (char)(key - KSYM_A));
+ else if (key >= KSYM_a && key <= KSYM_z)
+ sprintf(name_buffer, "%c", 'a' + (char)(key - KSYM_a));
+ else if (key >= KSYM_0 && key <= KSYM_9)
+ sprintf(name_buffer, "%c", '0' + (char)(key - KSYM_0));
+ else if (key >= KSYM_KP_0 && key <= KSYM_KP_9)
+ sprintf(name_buffer, "keypad %c", '0' + (char)(key - KSYM_KP_0));
+ else if (key >= KSYM_F1 && key <= KSYM_F24)
+ sprintf(name_buffer, "function F%d", (int)(key - KSYM_F1 + 1));
+ else if (key == KSYM_UNDEFINED)
strcpy(name_buffer, "(undefined)");
else
{
do
{
- if (key == translate_key[i].keysym)
+ if (key == translate_key[i].key)
{
strcpy(name_buffer, translate_key[i].name);
break;
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)
+ Key key = *keysym;
+
+ if (key >= KSYM_A && key <= KSYM_Z)
+ sprintf(name_buffer, "XK_%c", 'A' + (char)(key - KSYM_A));
+ else if (key >= KSYM_a && key <= KSYM_z)
+ sprintf(name_buffer, "XK_%c", 'a' + (char)(key - KSYM_a));
+ else if (key >= KSYM_0 && key <= KSYM_9)
+ sprintf(name_buffer, "XK_%c", '0' + (char)(key - KSYM_0));
+ else if (key >= KSYM_KP_0 && key <= KSYM_KP_9)
+ sprintf(name_buffer, "XK_KP_%c", '0' + (char)(key - KSYM_KP_0));
+ else if (key >= KSYM_F1 && key <= KSYM_F24)
+ sprintf(name_buffer, "XK_F%d", (int)(key - KSYM_F1 + 1));
+ else if (key == KSYM_UNDEFINED)
strcpy(name_buffer, "[undefined]");
else
{
do
{
- if (key == translate_key[i].keysym)
+ if (key == translate_key[i].key)
{
strcpy(name_buffer, translate_key[i].x11name);
break;
}
else if (mode == TRANSLATE_X11KEYNAME_TO_KEYSYM)
{
- KeySym key = XK_VoidSymbol;
+ Key key = KSYM_UNDEFINED;
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');
+ key = KSYM_A + (Key)(c - 'A');
else if (c >= 'a' && c <= 'z')
- key = XK_a + (KeySym)(c - 'a');
+ key = KSYM_a + (Key)(c - 'a');
else if (c >= '0' && c <= '9')
- key = XK_0 + (KeySym)(c - '0');
+ key = KSYM_0 + (Key)(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');
+ key = KSYM_0 + (Key)(c - '0');
}
else if (strncmp(name_ptr, "XK_F", 4) == 0 && strlen(name_ptr) <= 6)
{
d = atoi(&name_ptr[4]);
if (d >=1 && d <= 24)
- key = XK_F1 + (KeySym)(d - 1);
+ key = KSYM_F1 + (Key)(d - 1);
}
else if (strncmp(name_ptr, "XK_", 3) == 0)
{
{
if (strcmp(name_ptr, translate_key[i].x11name) == 0)
{
- key = translate_key[i].keysym;
+ key = translate_key[i].key;
break;
}
}
}
if (value != -1)
- key = (KeySym)value;
+ key = (Key)value;
}
*keysym = key;
}
}
-char *getKeyNameFromKeySym(KeySym keysym)
+char *getKeyNameFromKey(Key key)
{
char *name;
- translate_keyname(&keysym, NULL, &name, TRANSLATE_KEYSYM_TO_KEYNAME);
+ translate_keyname(&key, NULL, &name, TRANSLATE_KEYSYM_TO_KEYNAME);
return name;
}
-char *getX11KeyNameFromKeySym(KeySym keysym)
+char *getX11KeyNameFromKey(Key key)
{
char *x11name;
- translate_keyname(&keysym, &x11name, NULL, TRANSLATE_KEYSYM_TO_X11KEYNAME);
+ translate_keyname(&key, &x11name, NULL, TRANSLATE_KEYSYM_TO_X11KEYNAME);
return x11name;
}
-KeySym getKeySymFromX11KeyName(char *x11name)
+Key getKeyFromX11KeyName(char *x11name)
{
- KeySym keysym;
+ Key key;
- translate_keyname(&keysym, &x11name, NULL, TRANSLATE_X11KEYNAME_TO_KEYSYM);
- return keysym;
+ translate_keyname(&key, &x11name, NULL, TRANSLATE_X11KEYNAME_TO_KEYSYM);
+ return key;
}
-char getCharFromKeySym(KeySym keysym)
+char getCharFromKey(Key key)
{
- char *keyname = getKeyNameFromKeySym(keysym);
+ char *keyname = getKeyNameFromKey(key);
char letter = 0;
if (strlen(keyname) == 1)
struct LevelDirInfo *getFirstValidLevelSeries(struct LevelDirInfo *node)
{
- if (node == NULL) /* start with first level directory entry */
- return getFirstValidLevelSeries(leveldir_first);
+ if (node == NULL)
+ {
+ if (leveldir_first) /* start with first level directory entry */
+ return getFirstValidLevelSeries(leveldir_first);
+ else
+ return NULL;
+ }
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 */
}
}
+inline void swap_numbers(int *i1, int *i2)
+{
+ int help = *i1;
+
+ *i1 = *i2;
+ *i2 = help;
+}
+
+inline void swap_number_pairs(int *x1, int *y1, int *x2, int *y2)
+{
+ int help_x = *x1;
+ int help_y = *y1;
+
+ *x1 = *x2;
+ *x2 = help_x;
+
+ *y1 = *y2;
+ *y2 = help_y;
+}
+
/* ------------------------------------------------------------------------- */
/* the following is only for debugging purpose and normally not used */
projects / rocksndiamonds.git / blobdiff