/* see whether we should throw away this xlock file */
static int
veryold(int fd)
{
int i;
time_t date;
if(fstat(fd, &buf)) return(0); /* cannot get status */
if(buf.st_size != sizeof(int)) return(0); /* not an xlock file */
(void) time(&date);
if(date - buf.st_mtime < 3L*24L*60L*60L) { /* recent */
int lockedpid; /* should be the same size as hackpid */
if(read(fd, (char *)&lockedpid, sizeof(lockedpid)) !=
sizeof(lockedpid))
/* strange ... */
return(0);
/* From: Rick Adams <seismo!rick>
This will work on 4.1cbsd, 4.2bsd and system 3? & 5.
It will do nothing on V7 or 4.1bsd. */
if(!(kill(lockedpid, 0) == -1 && errno == ESRCH))
return(0);
}
(void) close(fd);
for(i = 1; i <= MAXLEVEL; i++) { /* try to remove all */
glo(i);
(void) unlink(lock);
}
glo(0);
if(unlink(lock)) return(0); /* cannot remove it */
return(1); /* success! */
}
/* returns 1 if save successful */
static int
dosave0(int hu)
{
int fd, ofd;
int tmp; /* not ! */
(void) signal(SIGHUP, SIG_IGN);
(void) signal(SIGINT, SIG_IGN);
if ((fd = creat(SAVEF, FMASK)) < 0) {
if (!hu)
pline("Cannot open save file. (Continue or Quit)");
(void) unlink(SAVEF); /* ab@unido */
return (0);
}
if (flags.moonphase == FULL_MOON) /* ut-sally!fletcher */
u.uluck--; /* and unido!ab */
savelev(fd, dlevel);
saveobjchn(fd, invent);
saveobjchn(fd, fcobj);
savemonchn(fd, fallen_down);
tmp = getuid();
bwrite(fd, &tmp, sizeof tmp);
bwrite(fd, &flags, sizeof(struct flag));
bwrite(fd, &dlevel, sizeof dlevel);
bwrite(fd, &maxdlevel, sizeof maxdlevel);
bwrite(fd, &moves, sizeof moves);
bwrite(fd, &u, sizeof(struct you));
if (u.ustuck)
bwrite(fd, &(u.ustuck->m_id), sizeof u.ustuck->m_id);
bwrite(fd, pl_character, sizeof pl_character);
bwrite(fd, genocided, sizeof genocided);
bwrite(fd, fut_geno, sizeof fut_geno);
savenames(fd);
for (tmp = 1; tmp <= maxdlevel; tmp++) {
if (tmp == dlevel || !level_exists[tmp])
continue;
glo(tmp);
if ((ofd = open(lock, O_RDONLY)) < 0) {
if (!hu)
pline("Error while saving: cannot read %s.", lock);
(void) close(fd);
(void) unlink(SAVEF);
if (!hu)
done("tricked");
return (0);
}
getlev(ofd, hackpid, tmp);
(void) close(ofd);
bwrite(fd, &tmp, sizeof tmp); /* level number */
savelev(fd, tmp); /* actual level */
(void) unlink(lock);
}
(void) close(fd);
glo(dlevel);
(void) unlink(lock); /* get rid of current level --jgm */
glo(0);
(void) unlink(lock);
return (1);
}
// see whether we should throw away this xlock file
int veryold(int fd)
{
int i;
time_t date;
if (fstat(fd, &buf))
return 0; // cannot get status
if (buf.st_size != sizeof(int))
return 0; // not an xlock file
(void) time(&date);
if (date - buf.st_mtime < 3L * 24L * 60L * 60L) { // recent
int lockedpid; // should be the same size as
// hackpid
if (read(fd, (char *) &lockedpid, sizeof(lockedpid)) != sizeof(lockedpid))
// strange ...
return 0;
// From: Rick Adams <seismo!rick> This will work on
// 4.1cbsd, 4.2bsd and system 3? & 5. It will do nothing
// on V7 or 4.1bsd.
if (!(kill(lockedpid, 0) == -1 && errno == ESRCH))
return 0;
}
(void) close(fd);
for (i = 1; i <= MAXLEVEL; i++) { // try to remove all
glo(i);
(void) unlink(lock);
}
glo(0);
if (unlink(lock))
return 0; // cannot remove it
return 1; // success!
}
void
clearlocks(void)
{
int x;
signal(SIGHUP,SIG_IGN);
for(x = maxdlevel; x >= 0; x--) {
glo(x);
unlink(lock); /* not all levels need be present */
}
}
void
getlock(void)
{
int i = 0, fd;
(void) fflush(stdout);
/* we ignore QUIT and INT at this point */
if (link(HLOCK, LLOCK) == -1) {
int errnosv = errno;
perror(HLOCK);
printf("Cannot link %s to %s\n", LLOCK, HLOCK);
switch (errnosv) {
case ENOENT:
printf("Perhaps there is no (empty) file %s ?\n", HLOCK);
break;
case EACCES:
printf("It seems you don't have write permission here.\n");
break;
case EEXIST:
printf("(Try again or rm %s.)\n", LLOCK);
break;
default:
printf("I don't know what is wrong.");
}
getret();
error("%s", "");
/* NOTREACHED */
}
regularize(lock);
glo(0);
if (locknum > 25)
locknum = 25;
do {
if (locknum)
lock[0] = 'a' + i++;
if ((fd = open(lock, O_RDONLY)) == -1) {
if (errno == ENOENT)
goto gotlock; /* no such file */
perror(lock);
(void) unlink(LLOCK);
error("Cannot open %s", lock);
}
if (veryold(fd))/* if true, this closes fd and unlinks lock */
goto gotlock;
(void) close(fd);
} while (i < locknum);
(void) unlink(LLOCK);
error(locknum ? "Too many hacks running now."
: "There is a game in progress under your name.");
gotlock:
fd = creat(lock, FMASK);
if (unlink(LLOCK) == -1)
error("Cannot unlink %s.", LLOCK);
if (fd == -1) {
error("cannot creat lock file.");
} else {
if (write(fd, &hackpid, sizeof(hackpid))
!= sizeof(hackpid)) {
error("cannot write lock");
}
if (close(fd) == -1) {
error("cannot close lock");
}
}
}
void
goto_level(int newlevel, boolean at_stairs)
{
int fd;
boolean up = (newlevel < dlevel);
if(newlevel <= 0) done("escaped"); /* in fact < 0 is impossible */
if(newlevel > MAXLEVEL) newlevel = MAXLEVEL; /* strange ... */
if(newlevel == dlevel) return; /* this can happen */
glo(dlevel);
fd = creat(lock, FMASK);
if(fd < 0) {
/*
* This is not quite impossible: e.g., we may have
* exceeded our quota. If that is the case then we
* cannot leave this level, and cannot save either.
* Another possibility is that the directory was not
* writable.
*/
pline("A mysterious force prevents you from going %s.",
up ? "up" : "down");
return;
}
if(Punished) unplacebc();
u.utrap = 0; /* needed in level_tele */
u.ustuck = 0; /* idem */
keepdogs();
seeoff(1);
if(u.uswallow) /* idem */
u.uswldtim = u.uswallow = 0;
flags.nscrinh = 1;
u.ux = FAR; /* hack */
(void) inshop(); /* probably was a trapdoor */
savelev(fd,dlevel);
(void) close(fd);
dlevel = newlevel;
if(maxdlevel < dlevel)
maxdlevel = dlevel;
glo(dlevel);
if(!level_exists[(int)dlevel])
mklev();
else {
extern int hackpid;
if((fd = open(lock, O_RDONLY)) < 0) {
pline("Cannot open %s .", lock);
pline("Probably someone removed it.");
done("tricked");
}
getlev(fd, hackpid, dlevel);
(void) close(fd);
}
if(at_stairs) {
if(up) {
u.ux = xdnstair;
u.uy = ydnstair;
if(!u.ux) { /* entering a maze from below? */
u.ux = xupstair; /* this will confuse the player! */
u.uy = yupstair;
}
if(Punished && !Levitation){
pline("With great effort you climb the stairs.");
placebc(1);
}
} else {
u.ux = xupstair;
u.uy = yupstair;
if(inv_weight() + 5 > 0 || Punished){
pline("You fall down the stairs."); /* %% */
losehp(rnd(3), "fall");
if(Punished) {
if(uwep != uball && rn2(3)){
pline("... and are hit by the iron ball.");
losehp(rnd(20), "iron ball");
}
placebc(1);
}
selftouch("Falling, you");
}
}
{ struct monst *mtmp = m_at(u.ux, u.uy);
if(mtmp)
mnexto(mtmp);
}
} else { /* trapdoor or level_tele */
do {
u.ux = rnd(COLNO-1);
u.uy = rn2(ROWNO);
} while(levl[(int)u.ux][(int)u.uy].typ != ROOM ||
m_at(u.ux,u.uy));
if(Punished){
if(uwep != uball && !up /* %% */ && rn2(5)){
pline("The iron ball falls on your head.");
losehp(rnd(25), "iron ball");
}
placebc(1);
}
selftouch("Falling, you");
}
(void) inshop();
initrack();
losedogs();
{ struct monst *mtmp;
if ((mtmp = m_at(u.ux, u.uy)))
mnexto(mtmp); /* riv05!a3 */
}
flags.nscrinh = 0;
setsee();
seeobjs(); /* make old cadavers disappear - riv05!a3 */
docrt();
pickup(1);
read_engr_at(u.ux,u.uy);
}
int
dorecover(int fd)
{
int nfd;
int tmp; /* not a ! */
unsigned mid; /* idem */
struct obj *otmp;
restoring = TRUE;
getlev(fd, 0, 0);
invent = restobjchn(fd);
for (otmp = invent; otmp; otmp = otmp->nobj)
if (otmp->owornmask)
setworn(otmp, otmp->owornmask);
fcobj = restobjchn(fd);
fallen_down = restmonchn(fd);
mread(fd, &tmp, sizeof tmp);
if (tmp != (int) getuid()) { /* strange ... */
(void) close(fd);
(void) unlink(SAVEF);
puts("Saved game was not yours.");
restoring = FALSE;
return (0);
}
mread(fd, &flags, sizeof(struct flag));
mread(fd, &dlevel, sizeof dlevel);
mread(fd, &maxdlevel, sizeof maxdlevel);
mread(fd, &moves, sizeof moves);
mread(fd, &u, sizeof(struct you));
if (u.ustuck)
mread(fd, &mid, sizeof mid);
mread(fd, pl_character, sizeof pl_character);
mread(fd, genocided, sizeof genocided);
mread(fd, fut_geno, sizeof fut_geno);
restnames(fd);
while (1) {
if (read(fd, &tmp, sizeof tmp) != sizeof tmp)
break;
getlev(fd, 0, tmp);
glo(tmp);
if ((nfd = creat(lock, FMASK)) < 0)
panic("Cannot open temp file %s!\n", lock);
savelev(nfd, tmp);
(void) close(nfd);
}
(void) lseek(fd, (off_t) 0, SEEK_SET);
getlev(fd, 0, 0);
(void) close(fd);
(void) unlink(SAVEF);
if (Punished) {
for (otmp = fobj; otmp; otmp = otmp->nobj)
if (otmp->olet == CHAIN_SYM)
goto chainfnd;
panic("Cannot find the iron chain?");
chainfnd:
uchain = otmp;
if (!uball) {
for (otmp = fobj; otmp; otmp = otmp->nobj)
if (otmp->olet == BALL_SYM && otmp->spe)
goto ballfnd;
panic("Cannot find the iron ball?");
ballfnd:
uball = otmp;
}
}
if (u.ustuck) {
struct monst *mtmp;
for (mtmp = fmon; mtmp; mtmp = mtmp->nmon)
if (mtmp->m_id == mid)
goto monfnd;
panic("Cannot find the monster ustuck.");
monfnd:
u.ustuck = mtmp;
}
#ifndef QUEST
setsee(); /* only to recompute seelx etc. - these
* weren't saved */
#endif /* QUEST */
docrt();
restoring = FALSE;
return (1);
}
//main menu
int main(void)
{
int choice=0;
srand(time(NULL)); //creat random seed based on time
printf("Which mode do you like to execute?\n"
"a. Automatic\n"
"b. Manual\n"
"c. Red Light Only\n"
"d. Green Light Only\n"
"q. Exit\n");
printf("Mode [_]\b\b");
while(scanf("%c", &choice)){
if(choice == 'Q' || choice == 'q') //exit detection
break;
else{
switch(choice){ // Main menu.
case 'a':
case 'A':
atmtc();
break;
case 'b':
case 'B':
mnl();
break;
case 'c':
case 'C':
rlo();
break;
case 'd':
case 'D':
glo();
break;
case 't': //t: testbench for bingo()
case 'T':// which is a randomly access function
bingo();
break;
default:
printf("Your choice is not in the menu.\n\n");
}
_flushall();
printf("Which mode do you like to execute?\n"
"a. Automatic\n"
"b. Manual\n"
"c. Red Light Only\n"
"d. Green Light Only\n"
"q. Exit\n");
printf("Mode [_]\b\b");
}
}
printf("\nHope you've enjoyed this walking trip!\n"
"Press any botton to exit...");
_flushall();
getchar();
return 0;
};