1/* $NetBSD: capture.c,v 1.11 2009/05/24 22:55:03 dholland Exp $ */ 2 3/* 4 * Copyright (c) 1980, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 */ 31 32#include <sys/cdefs.h> 33#ifndef lint 34#if 0 35static char sccsid[] = "@(#)capture.c 8.1 (Berkeley) 5/31/93"; 36#else 37__RCSID("$NetBSD: capture.c,v 1.11 2009/05/24 22:55:03 dholland Exp $"); 38#endif 39#endif /* not lint */ 40 41#include <stdio.h> 42#include "trek.h" 43 44static struct kling *selectklingon(void); 45 46/* 47** Ask a Klingon To Surrender 48** 49** (Fat chance) 50** 51** The Subspace Radio is needed to ask a Klingon if he will kindly 52** surrender. A random Klingon from the ones in the quadrant is 53** chosen. 54** 55** The Klingon is requested to surrender. The probability of this 56** is a function of that Klingon's remaining power, our power, 57** etc. 58*/ 59 60/*ARGSUSED*/ 61void 62capture(int v __unused) 63{ 64 int i; 65 struct kling *k; 66 double x; 67 68 /* check for not cloaked */ 69 if (Ship.cloaked) { 70 printf("Ship-ship communications out when cloaked\n"); 71 return; 72 } 73 if (damaged(SSRADIO)) { 74 out(SSRADIO); 75 return; 76 } 77 /* find out if there are any at all */ 78 if (Etc.nkling <= 0) { 79 printf("Uhura: Getting no response, sir\n"); 80 return; 81 } 82 83 /* if there is more than one Klingon, find out which one */ 84 k = selectklingon(); 85 Move.free = 0; 86 Move.time = 0.05; 87 88 /* check out that Klingon */ 89 k->srndreq++; 90 x = Param.klingpwr; 91 x *= Ship.energy; 92 x /= k->power * Etc.nkling; 93 x *= Param.srndrprob; 94 i = x; 95#ifdef xTRACE 96 if (Trace) 97 printf("Prob = %d (%.4f)\n", i, x); 98#endif 99 if (i > ranf(100)) { 100 /* guess what, he surrendered!!! */ 101 printf("Klingon at %d,%d surrenders\n", k->x, k->y); 102 i = ranf(Param.klingcrew); 103 if ( i > 0 ) 104 printf("%d klingons commit suicide rather than be " 105 "taken captive\n", Param.klingcrew - i); 106 if (i > Ship.brigfree) 107 i = Ship.brigfree; 108 Ship.brigfree -= i; 109 printf("%d captives taken\n", i); 110 killk(k->x, k->y); 111 return; 112 } 113 114 /* big surprise, he refuses to surrender */ 115 printf("Fat chance, captain\n"); 116 return; 117} 118 119 120/* 121** SELECT A KLINGON 122** 123** Cruddy, just takes one at random. Should ask the captain. 124*/ 125 126static struct kling * 127selectklingon(void) 128{ 129 int i; 130 131 if (Etc.nkling < 2) 132 i = 0; 133 else 134 i = ranf(Etc.nkling); 135 return (&Etc.klingon[i]); 136} 137