1 /*- 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 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. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)dr_4.c 8.1 (Berkeley) 5/31/93 30 * $FreeBSD: src/games/sail/dr_4.c,v 1.5 1999/11/30 03:49:32 billf Exp $ 31 * $DragonFly: src/games/sail/dr_4.c,v 1.3 2006/09/03 17:33:13 pavalos Exp $ 32 */ 33 34 #include "externs.h" 35 36 void 37 ungrap(struct ship *from, struct ship *to) 38 { 39 int k; 40 char friend; 41 42 if ((k = grappled2(from, to)) == 0) 43 return; 44 friend = capship(from)->nationality == capship(to)->nationality; 45 while (--k >= 0) { 46 if (friend || die() < 3) { 47 cleangrapple(from, to, 0); 48 makesignal(from, "ungrappling %s (%c%c)", to); 49 } 50 } 51 } 52 53 void 54 grap(struct ship *from, struct ship *to) 55 { 56 if (capship(from)->nationality != capship(to)->nationality && die() > 2) 57 return; 58 Write(W_GRAP, from, to->file->index, 0, 0, 0); 59 Write(W_GRAP, to, from->file->index, 0, 0, 0); 60 makesignal(from, "grappled with %s (%c%c)", to); 61 } 62