NetBSD/games/sail/parties.c

85 lines
2.6 KiB
C

/* $NetBSD: parties.c,v 1.12 2009/03/14 22:52:52 dholland Exp $ */
/*
* 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. 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.
*/
#include <sys/cdefs.h>
#ifndef lint
#if 0
static char sccsid[] = "@(#)parties.c 8.2 (Berkeley) 4/28/95";
#else
__RCSID("$NetBSD: parties.c,v 1.12 2009/03/14 22:52:52 dholland Exp $");
#endif
#endif /* not lint */
#include <sys/types.h>
#include "extern.h"
int
meleeing(struct ship *from, struct ship *to)
{
struct BP *p = from->file->OBP;
struct BP *q = p + NBP;
for (; p < q; p++)
if (p->turnsent && p->toship == to)
return 1;
return 0;
}
int
boarding(struct ship *from, int isdefense)
{
struct BP *p = isdefense ? from->file->DBP : from->file->OBP;
struct BP *q = p + NBP;
for (; p < q; p++)
if (p->turnsent)
return 1;
return 0;
}
void
unboard(struct ship *ship, struct ship *to, int isdefense)
{
struct BP *p = isdefense ? ship->file->DBP : ship->file->OBP;
int n;
for (n = 0; n < NBP; p++, n++) {
if (p->turnsent &&
(p->toship == to || isdefense || ship == to)) {
if (isdefense) {
send_dbp(ship, n, 0, 0, 0);
} else {
send_obp(ship, n, 0, 0, 0);
}
}
}
}