freebsd-skq/games/sail/dr_4.c
1999-11-16 12:10:29 +00:00

68 lines
2.5 KiB
C

/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef lint
static char sccsid[] = "@(#)dr_4.c 8.1 (Berkeley) 5/31/93";
#endif /* not lint */
#include "externs.h"
ungrap(from, to)
struct ship *from, *to;
{
int k;
char friend;
if ((k = grappled2(from, to)) == 0)
return;
friend = capship(from)->nationality == capship(to)->nationality;
while (--k >= 0) {
if (friend || die() < 3) {
cleangrapple(from, to, 0);
makesignal(from, "ungrappling %s (%c%c)", to);
}
}
}
grap(from, to)
struct ship *from, *to;
{
if (capship(from)->nationality != capship(to)->nationality && die() > 2)
return;
Write(W_GRAP, from, 0, to->file->index, 0, 0, 0);
Write(W_GRAP, to, 0, from->file->index, 0, 0, 0);
makesignal(from, "grappled with %s (%c%c)", to);
}