view arogue7/main.c @ 171:80c060734f51

arogue7: fix messages from detection potions. Another fix for overwritten messages, this time for potions of monster detection and magic detection. I've made the message appear before the display of information, which may be closer to the originally intended behavior.
author John "Elwin" Edwards
date Thu, 02 Jul 2015 16:27:39 -0400
parents cadff8f047a1
children f9ef86cf22b2
line wrap: on
line source

/*
 * 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>
#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);

main(argc, argv, envp)
char **argv;
char **envp;
{
    register char *env;
    int lowtime;
    time_t now;
#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);
    lowtime = (int) time(&now);
    dnum = (wizard && getenv("SEED") != NULL ?
	atoi(getenv("SEED")) :
	lowtime + getpid());
    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, 0, WANDERTIME, AFTER);
    if (player.t_ctype == C_MAGICIAN || player.t_ctype == C_RANGER)
	    fuse(spell_recovery, 0, SPELLTIME, AFTER);
    if (player.t_ctype == C_DRUID || player.t_ctype == C_RANGER)
	    fuse(chant_recovery, 0, SPELLTIME, AFTER);
    if (player.t_ctype == C_CLERIC || player.t_ctype == C_PALADIN)
	    fuse(prayer_recovery, 0, SPELLTIME, AFTER);
    start_daemon(stomach, 0, AFTER);
    if (player.t_ctype == C_THIEF	||
	player.t_ctype == C_ASSASIN	||
	player.t_ctype == C_MONK)
	    start_daemon(trap_look, 0, 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(sig)
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.
 */

fatal(s)
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.
 */
rnd(range)
register int range;
{
    return(range <= 0 ? 0 : md_rand() % range);
}

/*
 * roll:
 *	roll a number of dice
 */

roll(number, sides)
register int number, sides;
{
    register int dtotal = 0;

    while(number--)
	dtotal += rnd(sides)+1;
    return dtotal;
}
# ifdef SIGTSTP
/*
 * handle stop and start signals
 */
void
tstp(sig)
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

setup()
{
#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
open_records(void)
{
    if (scorefd == -1)
        md_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.
 */

playit()
{
    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
 */
too_much()
{
#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
 */
author()
{
	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.
 */
chmsg(fmt, arg)
char *fmt;
int arg;
{
	if (in_shell) {
		printf(fmt, arg);
		putchar('\n');
		fflush(stdout);
	}
	else
		msg(fmt, arg);
}
#endif

#ifdef MAXPROCESSES

#include <fcntl.h>

loadav()
{
	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;
ucount()
{
	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
 */
holiday()
{
#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
}