Merge branch 'master' of ssh://crater.dragonflybsd.org/repository/git/dragonfly
[dragonfly.git] / games / trek / capture.c
blobe362946d38b822e33514cafe61c7f627e40f4aed
1 /*
2 * Copyright (c) 1980, 1993
3 * The Regents of the University of California. All rights reserved.
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.
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.
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 1.3 2006/09/07 21:19:44 pavalos Exp $
38 # include "trek.h"
40 static struct kling *selectklingon(void);
43 ** Ask a Klingon To Surrender
45 ** (Fat chance)
47 ** The Subspace Radio is needed to ask a Klingon if he will kindly
48 ** surrender. A random Klingon from the ones in the quadrant is
49 ** chosen.
51 ** The Klingon is requested to surrender. The probability of this
52 ** is a function of that Klingon's remaining power, our power,
53 ** etc.
56 void
57 capture(__unused int unused)
59 int i;
60 struct kling *k;
61 double x;
63 /* check for not cloaked */
64 if (Ship.cloaked)
66 printf("Ship-ship communications out when cloaked\n");
67 return;
69 if (damaged(SSRADIO))
70 return (out(SSRADIO));
71 /* find out if there are any at all */
72 if (Etc.nkling <= 0)
74 printf("Uhura: Getting no response, sir\n");
75 return;
78 /* if there is more than one Klingon, find out which one */
79 k = selectklingon();
80 Move.free = 0;
81 Move.time = 0.05;
83 /* check out that Klingon */
84 k->srndreq++;
85 x = Param.klingpwr;
86 x *= Ship.energy;
87 x /= k->power * Etc.nkling;
88 x *= Param.srndrprob;
89 i = x;
90 # ifdef xTRACE
91 if (Trace)
92 printf("Prob = %d (%.4f)\n", i, x);
93 # endif
94 if (i > ranf(100))
96 /* guess what, he surrendered!!! */
97 printf("Klingon at %d,%d surrenders\n", k->x, k->y);
98 i = ranf(Param.klingcrew);
99 if ( i > 0 )
100 printf("%d klingons commit suicide rather than be taken captive\n", Param.klingcrew - i);
101 if (i > Ship.brigfree)
102 i = Ship.brigfree;
103 Ship.brigfree -= i;
104 printf("%d captives taken\n", i);
105 killk(k->x, k->y);
106 return;
109 /* big surprise, he refuses to surrender */
110 printf("Fat chance, captain\n");
111 return;
116 ** SELECT A KLINGON
118 ** Cruddy, just takes one at random. Should ask the captain.
121 static struct kling *
122 selectklingon(void)
124 int i;
126 if (Etc.nkling < 2)
127 i = 0;
128 else
129 i = ranf(Etc.nkling);
130 return (&Etc.klingon[i]);