1 /* $NetBSD: wizard.c,v 1.17 2021/05/02 12:50:43 rillig 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 1.17 2021/05/02 12:50:43 rillig 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 static int wizard(void);
56
57 void
datime(int * d,int * t)58 datime(int *d, int *t)
59 {
60 time_t tvec;
61 struct tm *tptr;
62
63 time(&tvec);
64 tptr = localtime(&tvec);
65 /* day since 1977 (mod leap) */
66 *d = (tptr->tm_yday + 365 * (tptr->tm_year - 77)
67 + (tptr->tm_year - 77) / 4 - (tptr->tm_year - 1) / 100
68 + (tptr->tm_year + 299) / 400);
69 /* bug: this will overflow in the year 2066 AD (with 16 bit int) */
70 /* it will be attributed to Wm the C's millenial celebration */
71 /* and minutes since midnite */
72 *t = tptr->tm_hour * 60 + tptr->tm_min;
73 } /* pretty painless */
74
75
76 static char magic[6];
77
78 void
poof(void)79 poof(void)
80 {
81 strcpy(magic, DECR('d', 'w', 'a', 'r', 'f'));
82 latency = 45;
83 }
84
85 int
Start(void)86 Start(void)
87 {
88 int d, t, delay;
89
90 datime(&d, &t);
91 delay = (d - saveday) * 1440 + (t - savet); /* good for about a
92 * month */
93
94 if (delay >= latency) {
95 saved = -1;
96 return (FALSE);
97 }
98 printf("This adventure was suspended a mere %d minute%s ago.",
99 delay, delay == 1 ? "" : "s");
100 if (delay <= latency / 3) {
101 mspeak(2);
102 exit(0);
103 }
104 mspeak(8);
105 if (!wizard()) {
106 mspeak(9);
107 exit(0);
108 }
109 saved = -1;
110 return (FALSE);
111 }
112
113 /* not as complex as advent/10 (for now) */
114 static int
wizard(void)115 wizard(void)
116 {
117 char *word, *x;
118 if (!yesm(16, 0, 7))
119 return (FALSE);
120 mspeak(17);
121 getin(&word, &x);
122 if (!weq(word, magic)) {
123 mspeak(20);
124 return (FALSE);
125 }
126 mspeak(19);
127 return (TRUE);
128 }
129
130 void
ciao(void)131 ciao(void)
132 {
133 char fname[80];
134 size_t pos;
135
136 printf("What would you like to call the saved version?\n");
137 /* XXX - should use fgetln to avoid arbitrary limit */
138 for (pos = 0; pos < sizeof(fname) - 1; pos++) {
139 int ch;
140 ch = getchar();
141 if (ch == '\n' || ch == EOF)
142 break;
143 fname[pos] = ch;
144 }
145 fname[pos] = '\0';
146 if (save(fname) != 0)
147 return; /* Save failed */
148 printf("To resume, say \"adventure %s\".\n", fname);
149 printf("\"With these rooms I might now have been familiarly ");
150 printf("acquainted.\"\n");
151 exit(0);
152 }
153
154
155 int
ran(int range)156 ran(int range)
157 {
158 long i;
159
160 i = rand() % range;
161 return (i);
162 }
163