adventure/wizard.c

   1 /*      $NetBSD: wizard.c,v 1.12 2005/07/01 00:03:36 jmc 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. Neither the name of the University nor the names of its contributors
  21  *    may be used to endorse or promote products derived from this software
  22  *    without specific prior written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  34  * SUCH DAMAGE.
  35  */
  36
  37 #include <sys/cdefs.h>
  38 #ifndef lint
  39 #if 0
  40 static char sccsid[] = "@(#)wizard.c    8.1 (Berkeley) 6/2/93";
  41 #else
  42 __RCSID("$NetBSD: wizard.c,v 1.12 2005/07/01 00:03:36 jmc Exp $");
  43 #endif
  44 #endif                          /* not lint */
  45
  46 /*      Re-coding of advent in C: privileged operations                 */
  47
  48 #include <stdio.h>
  49 #include <string.h>
  50 #include <stdlib.h>
  51 #include <time.h>
  52 #include "hdr.h"
  53 #include "extern.h"
  54
  55 void
  56 datime(int *d, int *t)
  57 {
  58         time_t  tvec;
  59         struct tm *tptr;
  60
  61         time(&tvec);
  62         tptr = localtime(&tvec);
  63         /* day since 1977  (mod leap)   */
  64         *d = (tptr->tm_yday + 365 * (tptr->tm_year - 77)
  65              + (tptr->tm_year - 77) / 4 - (tptr->tm_year - 1) / 100
  66              + (tptr->tm_year + 299) / 400);
  67         /* bug: this will overflow in the year 2066 AD (with 16 bit int) */
  68         /* it will be attributed to Wm the C's millenial celebration    */
  69         /* and minutes since midnite */
  70         *t = tptr->tm_hour * 60 + tptr->tm_min;
  71 }                               /* pretty painless              */
  72
  73
  74 char    magic[6];
  75
  76 void
  77 poof(void)
  78 {
  79         strcpy(magic, DECR('d', 'w', 'a', 'r', 'f'));
  80         latncy = 45;
  81 }
  82
  83 int
  84 Start(void)
  85 {
  86         int     d, t, delay;
  87
  88         datime(&d, &t);
  89         delay = (d - saveday) * 1440 + (t - savet);     /* good for about a
  90                                                          * month     */
  91
  92         if (delay >= latncy) {
  93                 saved = -1;
  94                 return (FALSE);
  95         }
  96         printf("This adventure was suspended a mere %d minute%s ago.",
  97             delay, delay == 1 ? "" : "s");
  98         if (delay <= latncy / 3) {
  99                 mspeak(2);
 100                 exit(0);
 101         }
 102         mspeak(8);
 103         if (!wizard()) {
 104                 mspeak(9);
 105                 exit(0);
 106         }
 107         saved = -1;
 108         return (FALSE);
 109 }
 110
 111 /* not as complex as advent/10 (for now)        */
 112 int
 113 wizard(void)
 114 {
 115         char   *word, *x;
 116         if (!yesm(16, 0, 7))
 117                 return (FALSE);
 118         mspeak(17);
 119         getin(&word, &x);
 120         if (!weq(word, magic)) {
 121                 mspeak(20);
 122                 return (FALSE);
 123         }
 124         mspeak(19);
 125         return (TRUE);
 126 }
 127
 128 void
 129 ciao(void)
 130 {
 131         char   *c;
 132         char    fname[80];
 133
 134         printf("What would you like to call the saved version?\n");
 135         /* XXX - should use fgetln to avoid arbitrary limit */
 136         for (c = fname; c < fname + sizeof fname - 1; c++) {
 137                 int ch;
 138                 ch = getchar();
 139                 if (ch == '\n' || ch == EOF)
 140                         break;
 141                 *c = ch;
 142         }
 143         *c = 0;
 144         if (save(fname) != 0)
 145                 return;         /* Save failed */
 146         printf("To resume, say \"adventure %s\".\n", fname);
 147         printf("\"With these rooms I might now have been familiarly ");
 148         printf("acquainted.\"\n");
 149         exit(0);
 150 }
 151
 152
 153 int
 154 ran(int range)
 155 {
 156         long    i;
 157
 158         i = rand() % range;
 159         return (i);
 160 }