xref: /openbsd/games/adventure/wizard.c (revision 9b7c3dbb)
1 /*	$OpenBSD: wizard.c,v 1.19 2016/03/08 10:48:39 mestre Exp $	*/
2 /*	$NetBSD: wizard.c,v 1.3 1995/04/24 12:21:41 cgd Exp $	*/
3 
4 /*-
5  * Copyright (c) 1991, 1993
6  *	The Regents of the University of California.  All rights reserved.
7  *
8  * The game adventure was originally written in Fortran by Will Crowther
9  * and Don Woods.  It was later translated to C and enhanced by Jim
10  * Gillogly.  This code is derived from software contributed to Berkeley
11  * by Jim Gillogly at The Rand Corporation.
12  *
13  * Redistribution and use in source and binary forms, with or without
14  * modification, are permitted provided that the following conditions
15  * are met:
16  * 1. Redistributions of source code must retain the above copyright
17  *    notice, this list of conditions and the following disclaimer.
18  * 2. Redistributions in binary form must reproduce the above copyright
19  *    notice, this list of conditions and the following disclaimer in the
20  *    documentation and/or other materials provided with the distribution.
21  * 3. Neither the name of the University nor the names of its contributors
22  *    may be used to endorse or promote products derived from this software
23  *    without specific prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35  * SUCH DAMAGE.
36  */
37 
38 /*	Re-coding of advent in C: privileged operations			*/
39 
40 #include <limits.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43 #include <time.h>
44 
45 #include "extern.h"
46 #include "hdr.h"
47 
48 #if 0
49 void
50 datime(int *d, int *t)
51 {
52 	time_t  tvec;
53 	struct tm *tptr;
54 
55 	time(&tvec);
56 	tptr = localtime(&tvec);
57 	/* day since 1977  (mod leap)   */
58 	*d = tptr->tm_yday + 365 * (tptr->tm_year - 77);
59 	/* bug: this will overflow in the year 2066 AD                  */
60 	/* it will be attributed to Wm the C's millenial celebration    */
61 	/* and minutes since midnite */
62 	*t = tptr->tm_hour * 60 + tptr->tm_min;
63 }				/* pretty painless              */
64 #endif
65 
66 char    magic[6];
67 
68 void
69 poof(void)
70 {
71 	strlcpy(magic, DECR(d,w,a,r,f), sizeof magic);
72 	latncy = 45;
73 }
74 
75 int
76 Start(void)
77 {
78 	time_t  t, delay;
79 
80 	time(&t);
81 	delay = (t - savet) / 60;	/* Minutes	*/
82 	saved = -1;
83 
84 	if (delay >= latncy)
85 		return (FALSE);
86 	printf("This adventure was suspended a mere %d minute%s ago.",
87 		(int)delay, delay == 1 ? "" : "s");
88 	if (delay <= latncy / 3) {
89 		mspeak(2);
90 		exit(0);
91 	}
92 	mspeak(8);
93 	if (!wizard()) {
94 		mspeak(9);
95 		exit(0);
96 	}
97 	return (FALSE);
98 }
99 
100 int
101 wizard(void)		/* not as complex as advent/10 (for now)	*/
102 {
103 	if (!yesm(16, 0, 7))
104 		return (FALSE);
105 	mspeak(17);
106 	getin(wd1, sizeof(wd1), wd2, sizeof(wd2));
107 	if (!weq(wd1, magic)) {
108 		mspeak(20);
109 		return (FALSE);
110 	}
111 	mspeak(19);
112 	return (TRUE);
113 }
114 
115 void
116 ciao(void)
117 {
118 	int	ch;
119 	char   *c;
120 	char    fname[PATH_MAX];
121 
122 	printf("What would you like to call the saved version?\n");
123 	for (c = fname; c - fname < sizeof(fname); c++) {
124 		if ((ch = getchar()) == '\n' || ch == EOF)
125 			break;
126 		*c = ch;
127 	}
128 	if (c - fname == sizeof(fname)) {
129 		c--;
130 		FLUSHLINE;
131 	}
132 	*c = '\0';
133 	if (save(fname) != 0)
134 		return;		/* Save failed */
135 	printf("To resume, say \"adventure %s\".\n", fname);
136 	printf("\"With these rooms I might now have been familiarly acquainted.\"\n");
137 	exit(0);
138 }
139 
140 
141 int
142 ran(int range)
143 {
144 	return (arc4random_uniform(range));
145 }
146