xref: /netbsd/games/adventure/wizard.c (revision bf9ec67e)
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 }
165