xref: /dragonfly/games/adventure/wizard.c (revision 984263bc)
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. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the University of
21  *	California, Berkeley and its contributors.
22  * 4. Neither the name of the University nor the names of its contributors
23  *    may be used to endorse or promote products derived from this software
24  *    without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGE.
37  */
38 
39 #ifndef lint
40 #if 0
41 static char sccsid[] = "@(#)wizard.c	8.1 (Berkeley) 6/2/93";
42 #endif
43 static const char rcsid[] =
44  "$FreeBSD: src/games/adventure/wizard.c,v 1.10.2.1 2001/03/05 11:43:11 kris Exp $";
45 #endif /* not lint */
46 
47 /*      Re-coding of advent in C: privileged operations                 */
48 
49 #include <sys/types.h>
50 #include <stdio.h>
51 #include <stdlib.h>
52 #include <string.h>
53 #include <time.h>
54 #include <sys/cdefs.h>
55 #include "hdr.h"
56 
57 static int wizard (void);
58 
59 void
60 datime(d,t)
61 int *d,*t;
62 {       struct tm *tptr;
63 	time_t tvec;
64 
65 	time(&tvec);
66 	tptr=localtime(&tvec);
67 	/* day since 1977 */
68 	*d = (tptr->tm_yday + 365 * (tptr->tm_year - 77)
69 		+ (tptr->tm_year - 77) / 4 - (tptr->tm_year - 1) / 100
70 		+ (tptr->tm_year + 299) / 400);
71 	/* bug: this will overflow in the year 2066 AD (with 16 bit int) */
72 	/* it will be attributed to Wm the C's millenial celebration    */
73 	/* and minutes since midnite */
74 	*t=tptr->tm_hour*60+tptr->tm_min;
75 }
76 
77 
78 char magic[6];
79 
80 void
81 poof()
82 {
83 	strcpy(magic, DECR(d,w,a,r,f));
84 	latncy = 45;
85 }
86 
87 int
88 Start()
89 {       int d,t,delay;
90 
91 	datime(&d,&t);
92 	delay=(d-saved)*1440+(t-savet); /* good for about a month     */
93 
94 	if (delay >= latncy)
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 <= latncy/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 static int
114 wizard()                /* not as complex as advent/10 (for now)        */
115 {
116 	char *word,*x;
117 	if (!yesm(16,0,7)) return(FALSE);
118 	mspeak(17);
119 	getin(&word,&x);
120 	if (strncmp(word,magic,5))
121 	{       mspeak(20);
122 		return(FALSE);
123 	}
124 	mspeak(19);
125 	return(TRUE);
126 }
127 
128 void
129 ciao()
130 {       char *c;
131 	char fname[80];
132 
133 	printf("What would you like to call the saved version?\n");
134 	/* XXX - should use fgetln to avoid arbitrary limit */
135 	for (c = fname; c < fname + sizeof fname - 1; c++) {
136 		int ch;
137 		ch = getchar();
138 		if (ch == '\n' || ch == EOF)
139 			break;
140 		*c = ch;
141 	}
142 	*c=0;
143 	if (save(fname) != 0) return;           /* Save failed */
144 	printf("To resume, say \"adventure %s\".\n", fname);
145 	printf("\"With these rooms I might now have been familiarly acquainted.\"\n");
146 	exit(0);
147 }
148 
149 
150 int
151 ran(range)
152 int range;
153 {
154 	int i;
155 
156 	i = random() % range;
157 	return(i);
158 }
159