Add the DragonFly cvs id and perform general cleanups on cvs/rcs/sccs ids. Most
[dragonfly.git] / games / trek / capture.c
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1/*
2 * Copyright (c) 1980, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
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32 *
33 * @(#)capture.c 8.1 (Berkeley) 5/31/93
34 * $FreeBSD: src/games/trek/capture.c,v 1.4 1999/11/30 03:49:43 billf Exp $
35 * $DragonFly: src/games/trek/capture.c,v 1.2 2003/06/17 04:25:25 dillon Exp $
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36 */
37
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38# include "trek.h"
39
40/*
41** Ask a Klingon To Surrender
42**
43** (Fat chance)
44**
45** The Subspace Radio is needed to ask a Klingon if he will kindly
46** surrender. A random Klingon from the ones in the quadrant is
47** chosen.
48**
49** The Klingon is requested to surrender. The probability of this
50** is a function of that Klingon's remaining power, our power,
51** etc.
52*/
53
54capture()
55{
56 int i;
57 struct kling *k;
58 double x;
59 extern struct kling *selectklingon();
60
61 /* check for not cloaked */
62 if (Ship.cloaked)
63 {
64 printf("Ship-ship communications out when cloaked\n");
65 return;
66 }
67 if (damaged(SSRADIO))
68 return (out(SSRADIO));
69 /* find out if there are any at all */
70 if (Etc.nkling <= 0)
71 {
72 printf("Uhura: Getting no response, sir\n");
73 return;
74 }
75
76 /* if there is more than one Klingon, find out which one */
77 k = selectklingon();
78 Move.free = 0;
79 Move.time = 0.05;
80
81 /* check out that Klingon */
82 k->srndreq++;
83 x = Param.klingpwr;
84 x *= Ship.energy;
85 x /= k->power * Etc.nkling;
86 x *= Param.srndrprob;
87 i = x;
88# ifdef xTRACE
89 if (Trace)
90 printf("Prob = %d (%.4f)\n", i, x);
91# endif
92 if (i > ranf(100))
93 {
94 /* guess what, he surrendered!!! */
95 printf("Klingon at %d,%d surrenders\n", k->x, k->y);
96 i = ranf(Param.klingcrew);
97 if ( i > 0 )
98 printf("%d klingons commit suicide rather than be taken captive\n", Param.klingcrew - i);
99 if (i > Ship.brigfree)
100 i = Ship.brigfree;
101 Ship.brigfree -= i;
102 printf("%d captives taken\n", i);
103 killk(k->x, k->y);
104 return;
105 }
106
107 /* big surprise, he refuses to surrender */
108 printf("Fat chance, captain\n");
109 return;
110}
111
112
113/*
114** SELECT A KLINGON
115**
116** Cruddy, just takes one at random. Should ask the captain.
117*/
118
119struct kling *selectklingon()
120{
121 int i;
122
123 if (Etc.nkling < 2)
124 i = 0;
125 else
126 i = ranf(Etc.nkling);
127 return (&Etc.klingon[i]);
128}