/*
* main.c - setup code
*
* Advanced Rogue
* Copyright (C) 1984, 1985, 1986 Michael Morgan, Ken Dalka and AT&T
* All rights reserved.
*
* Based on "Rogue: Exploring the Dungeons of Doom"
* Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
* All rights reserved.
*
* See the file LICENSE.TXT for full copyright and licensing information.
*/
#include "curses.h"
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <errno.h>
#ifdef BSD
#include <sys/time.h>
#else
#include <time.h>
#endif
#include "mach_dep.h"
#include "network.h"
#include "rogue.h"
#ifdef PC7300
#include "sys/window.h"
#include <ctype.h>
extern struct uwdata wdata, oldwin;
extern char oldtext[WTXTNUM][WTXTLEN];
#endif
void open_records(void);
bool too_much(void);
bool author(void);
void chmsg(char *fmt, int arg);
#ifdef MAXPROCESSES
int loadav(void);
#endif
#ifdef MAXUSERS
int ucount(void);
#endif
bool holiday(void);
int
main(int argc, char *argv[], char *envp[])
{
register char *env;
#ifdef PC7300
int hardwindow; /* Do we have a hardware window? */
#endif
md_init();
/*
* get home and options from environment
*/
strncpy(home, md_gethomedir(), LINELEN);
/* Get default save file */
strcpy(file_name, home);
strcat(file_name, "arogue77.sav");
/* Get default score file */
#ifdef SCOREFILE
strncpy(score_file, SCOREFILE, LINELEN);
score_file[LINELEN-1] = '\0';
#else
strcpy(score_file, md_getroguedir());
if (*score_file)
strcat(score_file,"/");
strcat(score_file,"arogue77.scr");
#endif
#ifdef SAVEDIR
/* Check for common save location */
if (argc >= 3 && strcmp(argv[1], "-n") == 0)
{
strncpy(whoami, argv[2], 79);
whoami[79] = '\0';
use_savedir = TRUE;
if (LINELEN <= snprintf(file_name, LINELEN, "%s/%d-%s.ar7sav", SAVEDIR,
md_getuid(), whoami))
{
strcpy(file_name, "xrogue.sav");
use_savedir = FALSE;
}
}
#endif
if ((env = getenv("ROGUEOPTS")) != NULL)
parse_opts(env);
if (whoami[0] == '\0')
strucpy(whoami, md_getusername(), strlen(md_getusername()));
open_records();
/*
* check for print-score option
*/
if (argc == 2 && strcmp(argv[1], "-s") == 0)
{
waswizard = TRUE;
score(0, SCOREIT, 0);
exit(0);
}
#ifdef NUMNET
/*
* Check for a network update
*/
if (argc == 2 && strcmp(argv[1], "-u") == 0) {
unsigned long netread();
int errcheck, errors = 0;
unsigned long amount;
short monster;
/* Read in the amount and monster values to pass to score */
amount = netread(&errcheck, sizeof(unsigned long), stdin);
if (errcheck) errors++;
monster = (short) netread(&errcheck, sizeof(short), stdin);
if (errcheck) errors++;
/* Now do the update if there were no errors */
if (errors) exit(1);
else {
score(amount, UPDATE, monster);
exit(0);
}
}
#endif
#ifdef WIZARD
/*
* Check to see if he is a wizard
*/
if (argc >= 2 && argv[1][0] == '\0')
if (strcmp(PASSWD, md_crypt(md_getpass("Wizard's password: "), "mT")) == 0)
{
wizard = TRUE;
argv++;
argc--;
}
#endif
if (!wizard && !author() && !holiday()) {
printf("Sorry, %s, but you can't play during working hours.\n", whoami);
printf("Try again later.\n");
exit(1);
}
if (!wizard && !author() && too_much()) {
printf("Sorry, %s, but the system is too loaded now.\n", whoami);
printf("Try again later.\n");
exit(1);
}
#if NICE
if (!wizard)
nice(19); /* nice the max amount */
#endif
if (use_savedir)
{
if (!restore(file_name, envp))
exit(1);
}
else
{
md_normaluser();
}
if (argc == 2)
if (!restore(argv[1], envp)) /* Note: restore will never return */
exit(1);
dnum = (wizard && getenv("SEED") != NULL ?
atoi(getenv("SEED")) :
md_random_seed());
if (wizard)
printf("Hello %s, welcome to dungeon #%d\n", whoami, dnum);
else
printf("Hello %s, just a moment while I dig the dungeon...\n", whoami);
fflush(stdout);
seed = dnum;
md_srand(seed);
#ifdef PC7300
/* Store static window parameters */
hardwindow = ioctl(0, WIOCGETD, &wdata);
if (hardwindow >= 0) { /* We have a hardware window */
extern char **environ;
/* Make sure our window is the right size */
oldwin = wdata;
if ((wdata.uw_height / wdata.uw_vs) < 23 ||
(wdata.uw_width / wdata.uw_hs) < 75) {
wdata.uw_width = 80 * wdata.uw_hs;
wdata.uw_height = 24 * wdata.uw_vs;
wdata.uw_x = 0;
wdata.uw_y = wdata.uw_vs;
wdata.uw_uflags = NBORDER;
/* Make the change */
if (ioctl(1, WIOCSETD, &wdata) >= 0 && environ) {
char **eptr, *tptr, *nptr, *newenv, *lptr = 0, *cptr = 0;
int i, nlines = -1, ncols = -1, nlindig = 0, ncoldig = 0;
struct utdata labelbuf;
/* Save and change window-associated text */
for (i=0; i<WTXTNUM; i++) {
labelbuf.ut_num = i;
ioctl(1, WIOCGETTEXT, &labelbuf);
strncpy(oldtext[i], labelbuf.ut_text, WTXTLEN - 1);
if (*labelbuf.ut_text) {
*labelbuf.ut_text = '\0';
ioctl(1, WIOCSETTEXT, &labelbuf);
}
}
labelbuf.ut_num = WTXTLABEL;
strcpy(labelbuf.ut_text, "Advanced Rogue");
ioctl(1, WIOCSETTEXT, &labelbuf);
/* We have to change the TERMCAP entry */
eptr = environ;
while (*eptr) {
if (strncmp(*eptr, "TERMCAP=", 8) == 0) break;
else eptr++;
}
/* We found a TERMCAP entry */
if (*eptr) {
/* Search for li# and co# */
tptr = *eptr;
while (*tptr) {
switch (*tptr) {
case 'l':
if (nlines == -1 &&
strncmp(tptr, "li#", 3) == 0) {
tptr += 3;
lptr = tptr;
lines = atoi(tptr);
while (isdigit(*tptr)) {
nlindig++;;
tptr++;
}
}
else tptr++;
break;
case 'c':
if (ncols == -1 &&
strncmp(tptr, "co#", 3) == 0) {
tptr += 3;
cptr = tptr;
cols = atoi(tptr);
while (isdigit(*tptr)) {
ncoldig++;
tptr++;
}
}
else tptr++;
break;
default:
tptr++;
}
}
/* Change the entry */
if (ncoldig != 2 || nlindig != 2) {
int length;
/* Add in difference in num lengths plus NULL */
length = strlen(*eptr) - ncoldig - nlindig + 5;
if (ncoldig == 0) length += 4; /* For :co# */
if (nlindig == 0) length += 4; /* For :li# */
newenv = malloc(length);
tptr = *eptr;
nptr = newenv;
if (nlindig == 0 || ncoldig == 0) {
/* Copy up to the first : */
while (*tptr && *tptr != ':') *nptr++ = *tptr++;
/* Do we have to add a field? */
if (nlindig == 0) {
strcpy(nptr, ":li#24");
nptr += 6;
}
if (ncoldig == 0) {
strcpy(nptr, ":co#80");
nptr += 6;
}
}
while (*tptr) {
if (tptr == lptr) {
strcpy(nptr, "24");
nptr += 2;
tptr += nlindig;
}
else if (tptr == cptr) {
strcpy(nptr, "80");
nptr += 2;
tptr += ncoldig;
}
else *nptr++ = *tptr++;
}
*nptr = '\0';
/* Replace the old one */
free(*eptr);
*eptr = newenv;
}
else {
/* Just overwrite the old numbers */
*lptr++ = '2';
*lptr = '4';
*cptr++ = '8';
*cptr = '0';
}
}
}
}
}
#endif
init_things(); /* Set up probabilities of things */
init_colors(); /* Set up colors of potions */
init_stones(); /* Set up stone settings of rings */
init_materials(); /* Set up materials of wands */
initscr(); /* Start up cursor package */
init_names(); /* Set up names of scrolls */
init_misc(); /* Set up miscellaneous magic */
init_foods(); /* set up the food table */
cols = COLS;
lines = LINES;
if (cols > 85) cols = 85;
if (lines > 24) lines = 24;
if (lines < 23 || cols < 75) { /* give player a break if larger font used */
printf("\nERROR: screen size too small for rogue\n");
byebye(0);
}
/*
* Now that we have cols and lines, we can update our window
* structure for non-hardware windows.
*/
#ifdef PC7300
if (hardwindow < 0) {
wdata.uw_x = 0;
wdata.uw_y = 0;
wdata.uw_width = COLS;
wdata.uw_height = LINES;
wdata.uw_uflags = 0;
wdata.uw_hs = 1;
wdata.uw_vs = 1;
wdata.uw_baseline = 0;
}
#endif
setup();
/*
* Set up windows
*/
cw = newwin(lines, cols, 0, 0);
mw = newwin(lines, cols, 0, 0);
hw = newwin(lines, cols, 0, 0);
msgw = newwin(4, cols, 0, 0);
keypad(cw,TRUE);
keypad(msgw,TRUE);
init_player(); /* Roll up the rogue */
waswizard = wizard;
#ifdef WIZARD
/* A super wizard doesn't have to get equipped */
if (wizard && strcmp(getenv("SUPER"),"YES") == 0) {
level = 1;
new_level(NORMLEV);
}
else
#endif
new_level(STARTLEV); /* Draw current level */
/*
* Start up daemons and fuses
*/
start_daemon(doctor, &player, AFTER);
fuse(swander, NULL, WANDERTIME, AFTER);
if (player.t_ctype == C_MAGICIAN || player.t_ctype == C_RANGER)
fuse(spell_recovery, NULL, SPELLTIME, AFTER);
if (player.t_ctype == C_DRUID || player.t_ctype == C_RANGER)
fuse(chant_recovery, NULL, SPELLTIME, AFTER);
if (player.t_ctype == C_CLERIC || player.t_ctype == C_PALADIN)
fuse(prayer_recovery, NULL, SPELLTIME, AFTER);
start_daemon(stomach, NULL, AFTER);
if (player.t_ctype == C_THIEF ||
player.t_ctype == C_ASSASIN ||
player.t_ctype == C_MONK)
start_daemon(trap_look, NULL, AFTER);
/* Does this character have any special knowledge? */
switch (player.t_ctype) {
case C_ASSASIN:
/* Assassins automatically recognize poison */
p_know[P_POISON] = TRUE;
}
/* Choose a quest item */
quest_item = rnd(MAXRELIC);
draw(cw);
msg("You have been quested to retrieve the %s....",
rel_magic[quest_item].mi_name);
mpos = 0;
playit();
}
/*
* endit:
* Exit the program abnormally.
*/
void
endit(int sig)
{
fatal("Ok, if you want to exit that badly, I'll have to allow it\n");
}
/*
* fatal:
* Exit the program, printing a message.
*/
void
fatal(char *s)
{
clear();
move(lines-2, 0);
printw("%s", s);
draw(stdscr);
endwin();
#ifdef PC7300
endhardwin();
#endif
printf("\n"); /* So the curser doesn't stop at the end of the line */
exit(0);
}
/*
* rnd:
* Pick a very random number.
*/
int
rnd(int range)
{
return(range <= 0 ? 0 : md_rand() % range);
}
/*
* roll:
* roll a number of dice
*/
int
roll(int number, int sides)
{
register int dtotal = 0;
while(number--)
dtotal += rnd(sides)+1;
return dtotal;
}
# ifdef SIGTSTP
/*
* handle stop and start signals
*/
void
tstp(int sig)
{
mvcur(0, cols - 1, lines - 1, 0);
endwin();
fflush(stdout);
kill(0, SIGTSTP);
signal(SIGTSTP, tstp);
raw();
noecho();
keypad(cw,1);
keypad(msgw,1);
clearok(curscr, TRUE);
touchwin(cw);
draw(cw);
md_flushinp();
}
# endif
void
setup(void)
{
#ifdef CHECKTIME
int checkout();
if (!author()) {
signal(SIGALRM, checkout);
alarm(CHECKTIME * 60);
}
#endif
/*
#ifndef DUMP
signal(SIGILL, bugkill);
#ifdef SIGTRAP
signal(SIGTRAP, bugkill);
#endif
#ifdef SIGIOT
signal(SIGIOT, bugkill);
#endif
#ifdef SIGEMT
signal(SIGEMT, bugkill);
#endif
signal(SIGFPE, bugkill);
#ifdef SIGBUS
signal(SIGBUS, bugkill);
#endif
signal(SIGSEGV, bugkill);
#ifdef SIGSYS
signal(SIGSYS, bugkill);
#endif
#ifdef SIGPIPE
signal(SIGPIPE, bugkill);
#endif
#endif
*/
#ifdef SIGTSTP
signal(SIGTSTP, tstp);
#endif
#ifdef SIGHUP
signal(SIGHUP, auto_save);
#endif
signal(SIGTERM, auto_save);
signal(SIGINT, quit);
#ifdef SIGQUIT
signal(SIGQUIT, endit);
#endif
raw(); /* Cbreak mode */
noecho(); /* Echo off */
nonl();
}
void
reopen_score(void)
{
if (scoreboard != NULL)
fclose(scoreboard);
scoreboard = fopen(score_file, "r+");
if (scoreboard == NULL && errno == ENOENT)
scoreboard = fopen(score_file, "w+");
}
void
open_records(void)
{
if (scoreboard == NULL)
reopen_score();
#ifdef LOGFILE
if (logfile == NULL)
logfile = fopen(LOGFILE, "a");
#endif
return;
}
/*
* playit:
* The main loop of the program. Loop until the game is over,
* refreshing things and looking at the proper times.
*/
void
playit(void)
{
register char *opts;
/*
* parse environment declaration of options
*/
if ((opts = getenv("ROGUEOPTS")) != NULL)
parse_opts(opts);
player.t_oldpos = hero;
oldrp = roomin(&hero);
after = TRUE;
command(); /* Command execution */
endit(0);
}
/*
* see if the system is being used too much for this game
*/
bool
too_much(void)
{
#if MAXPROCESSES
if (loadav() > MAXPROCESSES)
return(TRUE);
#endif
#if MAXUSERS
if (ucount() > MAXUSERS)
return(TRUE);
#endif
return(FALSE);
}
/*
* author:
* See if a user is an author of the program
*/
bool
author(void)
{
switch (md_getuid()) {
#if AUTHOR
case AUTHOR:
#endif
case 0: /* always OK for root to play */
return TRUE;
default:
return FALSE;
}
}
#if CHECKTIME
static int num_checks = 0; /* times we've gone over in checkout() */
checkout()
{
static char *msgs[] = {
"The system is too loaded for games. Please leave in %d minutes",
"Please save your game. You have %d minutes",
"This is your last chance. You had better leave in %d minutes",
};
int checktime;
signal(SIGALRM, checkout);
if (!holiday() && !author()) {
msg("Game time is over. Your game is being saved.\n\n");
auto_save(); /* NO RETURN */
}
if (too_much()) {
if (num_checks >= 3)
fatal("You didn't listen, so now you are DEAD !!\n");
checktime = CHECKTIME / (num_checks + 1);
chmsg(msgs[num_checks++], checktime);
alarm(checktime * 60);
}
else {
if (num_checks) {
chmsg("The load has dropped. You have a reprieve.");
num_checks = 0;
}
alarm(CHECKTIME * 60);
}
}
/*
* checkout()'s version of msg. If we are in the middle of a shell, do a
* printf instead of a msg to avoid the refresh.
*/
void
chmsg(char *fmt, int arg)
{
if (in_shell) {
printf(fmt, arg);
putchar('\n');
fflush(stdout);
}
else
msg(fmt, arg);
}
#endif
#ifdef MAXPROCESSES
#include <fcntl.h>
int
loadav(void)
{
char *sarcmd = "sar -v | cut -c17-20 | tail -2";
char *gettycmd = "grep getty /etc/inittab | wc -l";
char sysbuffer[BUFSIZ];
char tempfile[50];
char inbuf[BUFSIZ];
int fd, nprocess, ngetty;
sprintf(tempfile, "/tmp/rg%d", getpid());
sprintf(sysbuffer, "%s > %s", sarcmd, tempfile);
if (system(sysbuffer) != 0) {
debug ("system() call failed");
return (MAXPROCESSES - 1);
}
if ((fd = open(tempfile, O_RDONLY)) == -1) {
debug ("open() call failed");
return (MAXPROCESSES - 1);
}
if (read(fd, inbuf, BUFSIZ) == -1) {
debug ("read() call failed");
return (MAXPROCESSES - 1);
}
close(fd);
sscanf(inbuf, "%d", &nprocess);
sprintf(sysbuffer, "%s > %s", gettycmd, tempfile);
if (system(sysbuffer) != 0) {
debug ("system() call failed");
return (MAXPROCESSES - 1);
}
if ((fd = open(tempfile, O_RDONLY)) == -1) {
debug ("open() call failed");
return (MAXPROCESSES - 1);
}
if (read(fd, inbuf, BUFSIZ) == -1) {
debug ("read() call failed");
return (MAXPROCESSES - 1);
}
close(fd);
sscanf(inbuf, "%d", &ngetty);
unlink(tempfile);
return(nprocess - ngetty);
}
#endif
#ifdef MAXUSERS
/*
* ucount:
* Count the number of people on the system
*/
#include <sys/types.h>
#include <utmp.h>
struct utmp buf;
int
ucount(void)
{
reg struct utmp *up;
reg FILE *utmp;
reg int count;
if ((utmp = fopen(UTMP, "r")) == NULL)
return 0;
up = &buf;
count = 0;
while (fread(up, 1, sizeof (*up), utmp) > 0)
#ifdef BSD
if (buf.ut_line[0] == 't') /* On a tty */
#else
if (buf.ut_type == USER_PROCESS)
#endif
count++;
fclose(utmp);
return count;
}
#endif
/*
* holiday:
* Returns TRUE when it is a good time to play rogue
*/
bool
holiday(void)
{
#ifdef CHECKTIME
long now;
struct tm *localtime();
reg struct tm *ntime;
time(&now); /* get the current time */
ntime = localtime(&now);
if(ntime->tm_wday == 0 || ntime->tm_wday == 6)
return TRUE; /* OK on Sat & Sun */
if(ntime->tm_hour < 8 || ntime->tm_hour >= 18)
return TRUE; /* OK before 8AM & after 6PM */
if(ntime->tm_yday <= 7 || ntime->tm_yday >= 350)
return TRUE; /* OK during Christmas */
return FALSE; /* All other times are bad */
#else
return TRUE;
#endif
}