xref: /netbsd-src/games/adventure/wizard.c (revision 81e0d2b0af8485d94ed5da487d4253841a2e6e45)
1 /*	$NetBSD: wizard.c,v 1.11 2003/08/07 09:36:51 agc 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 1.11 2003/08/07 09:36:51 agc 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 void
56 datime(d, t)
57 	int    *d, *t;
58 {
59 	time_t  tvec;
60 	struct tm *tptr;
61 
62 	time(&tvec);
63 	tptr = localtime(&tvec);
64 	/* day since 1977  (mod leap)   */
65 	*d = (tptr->tm_yday + 365 * (tptr->tm_year - 77)
66              + (tptr->tm_year - 77) / 4 - (tptr->tm_year - 1) / 100
67              + (tptr->tm_year + 299) / 400);
68 	/* bug: this will overflow in the year 2066 AD (with 16 bit int) */
69 	/* it will be attributed to Wm the C's millenial celebration    */
70 	/* and minutes since midnite */
71 	*t = tptr->tm_hour * 60 + tptr->tm_min;
72 }				/* pretty painless              */
73 
74 
75 char    magic[6];
76 
77 void
78 poof()
79 {
80 	strcpy(magic, DECR('d', 'w', 'a', 'r', 'f'));
81 	latncy = 45;
82 }
83 
84 int
85 Start()
86 {
87 	int     d, t, delay;
88 
89 	datime(&d, &t);
90 	delay = (d - saveday) * 1440 + (t - savet);	/* good for about a
91 							 * month     */
92 
93 	if (delay >= latncy) {
94 		saved = -1;
95 		return (FALSE);
96 	}
97 	printf("This adventure was suspended a mere %d minute%s ago.",
98 	    delay, delay == 1 ? "" : "s");
99 	if (delay <= latncy / 3) {
100 		mspeak(2);
101 		exit(0);
102 	}
103 	mspeak(8);
104 	if (!wizard()) {
105 		mspeak(9);
106 		exit(0);
107 	}
108 	saved = -1;
109 	return (FALSE);
110 }
111 
112 int
113 wizard()
114 {				/* not as complex as advent/10 (for now)        */
115 	char   *word, *x;
116 	if (!yesm(16, 0, 7))
117 		return (FALSE);
118 	mspeak(17);
119 	getin(&word, &x);
120 	if (!weq(word, magic)) {
121 		mspeak(20);
122 		return (FALSE);
123 	}
124 	mspeak(19);
125 	return (TRUE);
126 }
127 
128 void
129 ciao()
130 {
131 	char   *c;
132 	char    fname[80];
133 
134 	printf("What would you like to call the saved version?\n");
135 	/* XXX - should use fgetln to avoid arbitrary limit */
136 	for (c = fname; c < fname + sizeof fname - 1; c++) {
137 		int ch;
138 		ch = getchar();
139 		if (ch == '\n' || ch == EOF)
140 			break;
141 		*c = ch;
142 	}
143 	*c = 0;
144 	if (save(fname) != 0)
145 		return;		/* Save failed */
146 	printf("To resume, say \"adventure %s\".\n", fname);
147 	printf("\"With these rooms I might now have been familiarly acquainted.\"\n");
148 	exit(0);
149 }
150 
151 
152 int
153 ran(range)
154 	int     range;
155 {
156 	long    i;
157 
158 	i = rand() % range;
159 	return (i);
160 }
161