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. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)dr_4.c 8.1 (Berkeley) 5/31/93 34 * $FreeBSD: src/games/sail/dr_4.c,v 1.5 1999/11/30 03:49:32 billf Exp $ 35 * $DragonFly: src/games/sail/dr_4.c,v 1.3 2006/09/03 17:33:13 pavalos Exp $ 36 */ 37 38 #include "externs.h" 39 40 void 41 ungrap(struct ship *from, struct ship *to) 42 { 43 int k; 44 char friend; 45 46 if ((k = grappled2(from, to)) == 0) 47 return; 48 friend = capship(from)->nationality == capship(to)->nationality; 49 while (--k >= 0) { 50 if (friend || die() < 3) { 51 cleangrapple(from, to, 0); 52 makesignal(from, "ungrappling %s (%c%c)", to); 53 } 54 } 55 } 56 57 void 58 grap(struct ship *from, struct ship *to) 59 { 60 if (capship(from)->nationality != capship(to)->nationality && die() > 2) 61 return; 62 Write(W_GRAP, from, to->file->index, 0, 0, 0); 63 Write(W_GRAP, to, from->file->index, 0, 0, 0); 64 makesignal(from, "grappled with %s (%c%c)", to); 65 } 66