xref: /dragonfly/games/adventure/wizard.c (revision 3f5e28f4)
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  * @(#)wizard.c	8.1 (Berkeley) 6/2/93
39  * $FreeBSD: src/games/adventure/wizard.c,v 1.10.2.1 2001/03/05 11:43:11 kris Exp $
40  * $DragonFly: src/games/adventure/wizard.c,v 1.3 2007/04/18 18:32:12 swildner Exp $
41  */
42 
43 /*      Re-coding of advent in C: privileged operations                 */
44 
45 #include <sys/types.h>
46 #include <stdio.h>
47 #include <stdlib.h>
48 #include <string.h>
49 #include <time.h>
50 #include <sys/cdefs.h>
51 #include "hdr.h"
52 
53 static int wizard (void);
54 
55 void
56 datime(int *d, int *t)
57 {       struct tm *tptr;
58 	time_t tvec;
59 
60 	time(&tvec);
61 	tptr=localtime(&tvec);
62 	/* day since 1977 */
63 	*d = (tptr->tm_yday + 365 * (tptr->tm_year - 77)
64 		+ (tptr->tm_year - 77) / 4 - (tptr->tm_year - 1) / 100
65 		+ (tptr->tm_year + 299) / 400);
66 	/* bug: this will overflow in the year 2066 AD (with 16 bit int) */
67 	/* it will be attributed to Wm the C's millenial celebration    */
68 	/* and minutes since midnite */
69 	*t=tptr->tm_hour*60+tptr->tm_min;
70 }
71 
72 
73 char magic[6];
74 
75 void
76 poof(void)
77 {
78 	strcpy(magic, DECR(d,w,a,r,f));
79 	latncy = 45;
80 }
81 
82 int
83 Start(void)
84 {       int d,t,delay;
85 
86 	datime(&d,&t);
87 	delay=(d-saved)*1440+(t-savet); /* good for about a month     */
88 
89 	if (delay >= latncy)
90 	{       saved = -1;
91 		return(FALSE);
92 	}
93 	printf("This adventure was suspended a mere %d minute%s ago.",
94 		delay, delay == 1? "" : "s");
95 	if (delay <= latncy/3)
96 	{       mspeak(2);
97 		exit(0);
98 	}
99 	mspeak(8);
100 	if (!wizard())
101 	{       mspeak(9);
102 		exit(0);
103 	}
104 	saved = -1;
105 	return(FALSE);
106 }
107 
108 /* not as complex as advent/10 (for now)        */
109 static int
110 wizard(void)
111 {
112 	char *word,*x;
113 	if (!yesm(16,0,7)) return(FALSE);
114 	mspeak(17);
115 	getin(&word,&x);
116 	if (strncmp(word,magic,5))
117 	{       mspeak(20);
118 		return(FALSE);
119 	}
120 	mspeak(19);
121 	return(TRUE);
122 }
123 
124 void
125 ciao(void)
126 {       char *c;
127 	char fname[80];
128 
129 	printf("What would you like to call the saved version?\n");
130 	/* XXX - should use fgetln to avoid arbitrary limit */
131 	for (c = fname; c < fname + sizeof fname - 1; c++) {
132 		int ch;
133 		ch = getchar();
134 		if (ch == '\n' || ch == EOF)
135 			break;
136 		*c = ch;
137 	}
138 	*c=0;
139 	if (save(fname) != 0) return;           /* Save failed */
140 	printf("To resume, say \"adventure %s\".\n", fname);
141 	printf("\"With these rooms I might now have been familiarly acquainted.\"\n");
142 	exit(0);
143 }
144 
145 
146 int
147 ran(int range)
148 {
149 	int i;
150 
151 	i = random() % range;
152 	return(i);
153 }
154