Remove various unneeded definitions of abs() in userland.
[dragonfly.git] / games / adventure / wizard.c
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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.
6693db17 18 * 3. Neither the name of the University nor the names of its contributors
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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.
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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 $
c11b8fa9 36 * $DragonFly: src/games/adventure/wizard.c,v 1.3 2007/04/18 18:32:12 swildner Exp $
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37 */
38
6693db17 39/* Re-coding of advent in C: privileged operations */
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40
41#include <sys/types.h>
42#include <stdio.h>
43#include <stdlib.h>
44#include <string.h>
45#include <time.h>
46#include <sys/cdefs.h>
47#include "hdr.h"
48
6693db17 49static int wizard(void);
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50
51void
c11b8fa9 52datime(int *d, int *t)
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53{
54 struct tm *tptr;
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55 time_t tvec;
56
57 time(&tvec);
6693db17 58 tptr = localtime(&tvec);
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59 /* day since 1977 */
60 *d = (tptr->tm_yday + 365 * (tptr->tm_year - 77)
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61 + (tptr->tm_year - 77) / 4 - (tptr->tm_year - 1) / 100
62 + (tptr->tm_year + 299) / 400);
984263bc 63 /* bug: this will overflow in the year 2066 AD (with 16 bit int) */
6693db17 64 /* it will be attributed to Wm the C's millenial celebration */
984263bc 65 /* and minutes since midnite */
6693db17 66 *t = tptr->tm_hour * 60 + tptr->tm_min;
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67}
68
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69char magic[6];
70
71void
c11b8fa9 72poof(void)
984263bc 73{
6693db17 74 strcpy(magic, DECR(d, w, a, r, f));
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75 latncy = 45;
76}
77
78int
c11b8fa9 79Start(void)
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80{
81 int d, t, delay;
984263bc 82
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83 datime(&d, &t);
84 delay = (d - saved) * 1440 + (t - savet); /* good for about a month */
984263bc 85
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86 if (delay >= latncy) {
87 saved = -1;
88 return (FALSE);
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89 }
90 printf("This adventure was suspended a mere %d minute%s ago.",
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91 delay, delay == 1 ? "" : "s");
92 if (delay <= latncy / 3) {
93 mspeak(2);
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94 exit(0);
95 }
96 mspeak(8);
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97 if (!wizard()) {
98 mspeak(9);
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99 exit(0);
100 }
101 saved = -1;
6693db17 102 return (FALSE);
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103}
104
6693db17 105/* not as complex as advent/10 (for now) */
984263bc 106static int
c11b8fa9 107wizard(void)
984263bc 108{
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109 char *word, *x;
110
111 if (!yesm(16, 0, 7))
112 return (FALSE);
984263bc 113 mspeak(17);
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114 getin(&word, &x);
115 if (strncmp(word, magic, 5)) {
116 mspeak(20);
117 return (FALSE);
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118 }
119 mspeak(19);
6693db17 120 return (TRUE);
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121}
122
123void
c11b8fa9 124ciao(void)
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125{
126 char *c;
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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 }
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138 *c = 0;
139 if (save(fname) != 0) /* Save failed */
140 return;
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141 printf("To resume, say \"adventure %s\".\n", fname);
142 printf("\"With these rooms I might now have been familiarly acquainted.\"\n");
143 exit(0);
144}
145
984263bc 146int
c11b8fa9 147ran(int range)
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148{
149 int i;
150
151 i = random() % range;
6693db17 152 return (i);
984263bc 153}