xref: /dragonfly/games/adventure/wizard.c (revision 0db87cb7)
1 /*-
2  * Copyright (c) 1991, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * The game adventure was originally written in Fortran by Will Crowther
6  * and Don Woods.  It was later translated to C and enhanced by Jim
7  * Gillogly.  This code is derived from software contributed to Berkeley
8  * by Jim Gillogly at The Rand Corporation.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  * 3. Neither the name of the University nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  *
34  * @(#)wizard.c	8.1 (Berkeley) 6/2/93
35  * $FreeBSD: src/games/adventure/wizard.c,v 1.10.2.1 2001/03/05 11:43:11 kris Exp $
36  */
37 
38 /* Re-coding of advent in C: privileged operations */
39 
40 #include <sys/types.h>
41 #include <stdio.h>
42 #include <stdlib.h>
43 #include <string.h>
44 #include <time.h>
45 #include "hdr.h"
46 
47 static int wizard(void);
48 
49 void
50 datime(int *d, int *t)
51 {
52 	struct tm *tptr;
53 	time_t tvec;
54 
55 	time(&tvec);
56 	tptr = localtime(&tvec);
57 	/* day since 1977 */
58 	*d = (tptr->tm_yday + 365 * (tptr->tm_year - 77)
59 	    + (tptr->tm_year - 77) / 4 - (tptr->tm_year - 1) / 100
60 	    + (tptr->tm_year + 299) / 400);
61 	/* bug: this will overflow in the year 2066 AD (with 16 bit int) */
62 	/* it will be attributed to Wm the C's millenial celebration */
63 	/* and minutes since midnite */
64 	*t = tptr->tm_hour * 60 + tptr->tm_min;
65 }
66 
67 char magic[6];
68 
69 void
70 poof(void)
71 {
72 	strcpy(magic, DECR(d, w, a, r, f));
73 	latncy = 45;
74 }
75 
76 int
77 Start(void)
78 {
79 	int d, t, delay;
80 
81 	datime(&d, &t);
82 	delay = (d - saved) * 1440 + (t - savet); /* good for about a month */
83 
84 	if (delay >= latncy) {
85 		saved = -1;
86 		return (FALSE);
87 	}
88 	printf("This adventure was suspended a mere %d minute%s ago.",
89 	    delay, delay == 1 ? "" : "s");
90 	if (delay <= latncy / 3) {
91 		mspeak(2);
92 		exit(0);
93 	}
94 	mspeak(8);
95 	if (!wizard()) {
96 		mspeak(9);
97 		exit(0);
98 	}
99 	saved = -1;
100 	return (FALSE);
101 }
102 
103 /* not as complex as advent/10 (for now) */
104 static int
105 wizard(void)
106 {
107 	char *word, *x;
108 
109 	if (!yesm(16, 0, 7))
110 		return (FALSE);
111 	mspeak(17);
112 	getin(&word, &x);
113 	if (strncmp(word, magic, 5)) {
114 		mspeak(20);
115 		return (FALSE);
116 	}
117 	mspeak(19);
118 	return (TRUE);
119 }
120 
121 void
122 ciao(void)
123 {
124 	char *c;
125 	char fname[80];
126 
127 	printf("What would you like to call the saved version?\n");
128 	/* XXX - should use fgetln to avoid arbitrary limit */
129 	for (c = fname; c < fname + sizeof fname - 1; c++) {
130 		int ch;
131 		ch = getchar();
132 		if (ch == '\n' || ch == EOF)
133 			break;
134 		*c = ch;
135 	}
136 	*c = 0;
137 	if (save(fname) != 0)			/* Save failed */
138 		return;
139 	printf("To resume, say \"adventure %s\".\n", fname);
140 	printf("\"With these rooms I might now have been familiarly acquainted.\"\n");
141 	exit(0);
142 }
143 
144 int
145 ran(int range)
146 {
147 	int i;
148 
149 	i = random() % range;
150 	return (i);
151 }
152