adventure/wizard.c

   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 }