1 /* $NetBSD: capture.c,v 1.3 1995/04/22 10:58:32 cgd 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #ifndef lint 37 #if 0 38 static char sccsid[] = "@(#)capture.c 8.1 (Berkeley) 5/31/93"; 39 #else 40 static char rcsid[] = "$NetBSD: capture.c,v 1.3 1995/04/22 10:58:32 cgd Exp $"; 41 #endif 42 #endif /* not lint */ 43 44 # include "trek.h" 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 capture() 61 { 62 register int i; 63 register struct kling *k; 64 double x; 65 extern struct kling *selectklingon(); 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 return (out(SSRADIO)); 75 /* find out if there are any at all */ 76 if (Etc.nkling <= 0) 77 { 78 printf("Uhura: Getting no response, sir\n"); 79 return; 80 } 81 82 /* if there is more than one Klingon, find out which one */ 83 k = selectklingon(); 84 Move.free = 0; 85 Move.time = 0.05; 86 87 /* check out that Klingon */ 88 k->srndreq++; 89 x = Param.klingpwr; 90 x *= Ship.energy; 91 x /= k->power * Etc.nkling; 92 x *= Param.srndrprob; 93 i = x; 94 # ifdef xTRACE 95 if (Trace) 96 printf("Prob = %d (%.4f)\n", i, x); 97 # endif 98 if (i > ranf(100)) 99 { 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 taken captive\n", Param.klingcrew - i); 105 if (i > Ship.brigfree) 106 i = Ship.brigfree; 107 Ship.brigfree -= i; 108 printf("%d captives taken\n", i); 109 killk(k->x, k->y); 110 return; 111 } 112 113 /* big surprise, he refuses to surrender */ 114 printf("Fat chance, captain\n"); 115 return; 116 } 117 118 119 /* 120 ** SELECT A KLINGON 121 ** 122 ** Cruddy, just takes one at random. Should ask the captain. 123 */ 124 125 struct kling *selectklingon() 126 { 127 register int i; 128 129 if (Etc.nkling < 2) 130 i = 0; 131 else 132 i = ranf(Etc.nkling); 133 return (&Etc.klingon[i]); 134 } 135