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wizard.c revision 1.10 
      1 /*	$NetBSD: wizard.c,v 1.10 1999/07/16 01:38:20 hubertf Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1991, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * The game adventure was originally written in Fortran by Will Crowther
      8  * and Don Woods.  It was later translated to C and enhanced by Jim
      9  * Gillogly.  This code is derived from software contributed to Berkeley
     10  * by Jim Gillogly at The Rand Corporation.
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  * 3. All advertising materials mentioning features or use of this software
     21  *    must display the following acknowledgement:
     22  *	This product includes software developed by the University of
     23  *	California, Berkeley and its contributors.
     24  * 4. Neither the name of the University nor the names of its contributors
     25  *    may be used to endorse or promote products derived from this software
     26  *    without specific prior written permission.
     27  *
     28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     38  * SUCH DAMAGE.
     39  */
     40 
     41 #include <sys/cdefs.h>
     42 #ifndef lint
     43 #if 0
     44 static char sccsid[] = "@(#)wizard.c	8.1 (Berkeley) 6/2/93";
     45 #else
     46 __RCSID("$NetBSD: wizard.c,v 1.10 1999/07/16 01:38:20 hubertf Exp $");
     47 #endif
     48 #endif				/* not lint */
     49 
     50 /*      Re-coding of advent in C: privileged operations                 */
     51 
     52 #include <stdio.h>
     53 #include <string.h>
     54 #include <stdlib.h>
     55 #include <time.h>
     56 #include "hdr.h"
     57 #include "extern.h"
     58 
     59 void
     60 datime(d, t)
     61 	int    *d, *t;
     62 {
     63 	time_t  tvec;
     64 	struct tm *tptr;
     65 
     66 	time(&tvec);
     67 	tptr = localtime(&tvec);
     68 	/* day since 1977  (mod leap)   */
     69 	*d = (tptr->tm_yday + 365 * (tptr->tm_year - 77)
     70              + (tptr->tm_year - 77) / 4 - (tptr->tm_year - 1) / 100
     71              + (tptr->tm_year + 299) / 400);
     72 	/* bug: this will overflow in the year 2066 AD (with 16 bit int) */
     73 	/* it will be attributed to Wm the C's millenial celebration    */
     74 	/* and minutes since midnite */
     75 	*t = tptr->tm_hour * 60 + tptr->tm_min;
     76 }				/* pretty painless              */
     77 
     78 
     79 char    magic[6];
     80 
     81 void
     82 poof()
     83 {
     84 	strcpy(magic, DECR('d', 'w', 'a', 'r', 'f'));
     85 	latncy = 45;
     86 }
     87 
     88 int
     89 Start()
     90 {
     91 	int     d, t, delay;
     92 
     93 	datime(&d, &t);
     94 	delay = (d - saveday) * 1440 + (t - savet);	/* good for about a
     95 							 * month     */
     96 
     97 	if (delay >= latncy) {
     98 		saved = -1;
     99 		return (FALSE);
    100 	}
    101 	printf("This adventure was suspended a mere %d minute%s ago.",
    102 	    delay, delay == 1 ? "" : "s");
    103 	if (delay <= latncy / 3) {
    104 		mspeak(2);
    105 		exit(0);
    106 	}
    107 	mspeak(8);
    108 	if (!wizard()) {
    109 		mspeak(9);
    110 		exit(0);
    111 	}
    112 	saved = -1;
    113 	return (FALSE);
    114 }
    115 
    116 int
    117 wizard()
    118 {				/* not as complex as advent/10 (for now)        */
    119 	char   *word, *x;
    120 	if (!yesm(16, 0, 7))
    121 		return (FALSE);
    122 	mspeak(17);
    123 	getin(&word, &x);
    124 	if (!weq(word, magic)) {
    125 		mspeak(20);
    126 		return (FALSE);
    127 	}
    128 	mspeak(19);
    129 	return (TRUE);
    130 }
    131 
    132 void
    133 ciao()
    134 {
    135 	char   *c;
    136 	char    fname[80];
    137 
    138 	printf("What would you like to call the saved version?\n");
    139 	/* XXX - should use fgetln to avoid arbitrary limit */
    140 	for (c = fname; c < fname + sizeof fname - 1; c++) {
    141 		int ch;
    142 		ch = getchar();
    143 		if (ch == '\n' || ch == EOF)
    144 			break;
    145 		*c = ch;
    146 	}
    147 	*c = 0;
    148 	if (save(fname) != 0)
    149 		return;		/* Save failed */
    150 	printf("To resume, say \"adventure %s\".\n", fname);
    151 	printf("\"With these rooms I might now have been familiarly acquainted.\"\n");
    152 	exit(0);
    153 }
    154 
    155 
    156 int
    157 ran(range)
    158 	int     range;
    159 {
    160 	long    i;
    161 
    162 	i = rand() % range;
    163 	return (i);
    164 }
    165