1 /* $NetBSD: capture.c,v 1.6 2003/08/07 09:37:50 agc 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 35 static char sccsid[] = "@(#)capture.c 8.1 (Berkeley) 5/31/93"; 36 #else 37 __RCSID("$NetBSD: capture.c,v 1.6 2003/08/07 09:37:50 agc Exp $"); 38 #endif 39 #endif /* not lint */ 40 41 #include <stdio.h> 42 #include "trek.h" 43 44 /* 45 ** Ask a Klingon To Surrender 46 ** 47 ** (Fat chance) 48 ** 49 ** The Subspace Radio is needed to ask a Klingon if he will kindly 50 ** surrender. A random Klingon from the ones in the quadrant is 51 ** chosen. 52 ** 53 ** The Klingon is requested to surrender. The probability of this 54 ** is a function of that Klingon's remaining power, our power, 55 ** etc. 56 */ 57 58 /*ARGSUSED*/ 59 void 60 capture(v) 61 int v __attribute__((__unused__)); 62 { 63 int i; 64 struct kling *k; 65 double x; 66 67 /* check for not cloaked */ 68 if (Ship.cloaked) 69 { 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 { 80 printf("Uhura: Getting no response, sir\n"); 81 return; 82 } 83 84 /* if there is more than one Klingon, find out which one */ 85 k = selectklingon(); 86 Move.free = 0; 87 Move.time = 0.05; 88 89 /* check out that Klingon */ 90 k->srndreq++; 91 x = Param.klingpwr; 92 x *= Ship.energy; 93 x /= k->power * Etc.nkling; 94 x *= Param.srndrprob; 95 i = x; 96 # ifdef xTRACE 97 if (Trace) 98 printf("Prob = %d (%.4f)\n", i, x); 99 # endif 100 if (i > ranf(100)) 101 { 102 /* guess what, he surrendered!!! */ 103 printf("Klingon at %d,%d surrenders\n", k->x, k->y); 104 i = ranf(Param.klingcrew); 105 if ( i > 0 ) 106 printf("%d klingons commit suicide rather than be taken captive\n", Param.klingcrew - i); 107 if (i > Ship.brigfree) 108 i = Ship.brigfree; 109 Ship.brigfree -= i; 110 printf("%d captives taken\n", i); 111 killk(k->x, k->y); 112 return; 113 } 114 115 /* big surprise, he refuses to surrender */ 116 printf("Fat chance, captain\n"); 117 return; 118 } 119 120 121 /* 122 ** SELECT A KLINGON 123 ** 124 ** Cruddy, just takes one at random. Should ask the captain. 125 */ 126 127 struct kling *selectklingon() 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