1 /* @(#)capture.c 8.1 (Berkeley) 5/31/93 */ 2 /* $NetBSD: capture.c,v 1.12 2009/08/12 08:54:54 dholland Exp $ */ 3 4 /* 5 * Copyright (c) 1980, 1993 6 * The Regents of the University of California. All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #include <stdio.h> 34 #include "trek.h" 35 36 static struct kling *selectklingon(void); 37 38 /* 39 ** Ask a Klingon To Surrender 40 ** 41 ** (Fat chance) 42 ** 43 ** The Subspace Radio is needed to ask a Klingon if he will kindly 44 ** surrender. A random Klingon from the ones in the quadrant is 45 ** chosen. 46 ** 47 ** The Klingon is requested to surrender. The probability of this 48 ** is a function of that Klingon's remaining power, our power, 49 ** etc. 50 */ 51 52 /*ARGSUSED*/ 53 void 54 capture(int v __unused) 55 { 56 int i; 57 struct kling *k; 58 double x; 59 60 /* check for not cloaked */ 61 if (Ship.cloaked) { 62 printf("Ship-ship communications out when cloaked\n"); 63 return; 64 } 65 if (damaged(SSRADIO)) { 66 out(SSRADIO); 67 return; 68 } 69 /* find out if there are any at all */ 70 if (Etc.nkling <= 0) { 71 printf("Uhura: Getting no response, sir\n"); 72 return; 73 } 74 75 /* if there is more than one Klingon, find out which one */ 76 k = selectklingon(); 77 Move.free = 0; 78 Move.time = 0.05; 79 80 /* check out that Klingon */ 81 k->srndreq++; 82 x = Param.klingpwr; 83 x *= Ship.energy; 84 x /= k->power * Etc.nkling; 85 x *= Param.srndrprob; 86 i = x; 87 #ifdef xTRACE 88 if (Trace) 89 printf("Prob = %d (%.4f)\n", i, x); 90 #endif 91 if (i > ranf(100)) { 92 /* guess what, he surrendered!!! */ 93 printf("Klingon at %d,%d surrenders\n", k->x, k->y); 94 i = ranf(Param.klingcrew); 95 if ( i > 0 ) 96 printf("%d klingons commit suicide rather than be " 97 "taken captive\n", Param.klingcrew - i); 98 if (i > Ship.brigfree) 99 i = Ship.brigfree; 100 Ship.brigfree -= i; 101 printf("%d captives taken\n", i); 102 killk(k->x, k->y); 103 return; 104 } 105 106 /* big surprise, he refuses to surrender */ 107 printf("Fat chance, captain\n"); 108 return; 109 } 110 111 112 /* 113 ** SELECT A KLINGON 114 ** 115 ** Cruddy, just takes one at random. Should ask the captain. 116 */ 117 118 static struct kling * 119 selectklingon(void) 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 } 129