1/*	$NetBSD: parties.c,v 1.11 2003/08/07 09:37:43 agc Exp $	*/
2
3/*
4 * Copyright (c) 1983, 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. Neither the name of the University nor the names of its contributors
16 *    may be used to endorse or promote products derived from this software
17 *    without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33#ifndef lint
34#if 0
35static char sccsid[] = "@(#)parties.c	8.2 (Berkeley) 4/28/95";
36#else
37__RCSID("$NetBSD: parties.c,v 1.11 2003/08/07 09:37:43 agc Exp $");
38#endif
39#endif /* not lint */
40
41#include <sys/types.h>
42#include "extern.h"
43
44int
45meleeing(struct ship *from, struct ship *to)
46{
47	struct BP *p = from->file->OBP;
48	struct BP *q = p + NBP;
49
50	for (; p < q; p++)
51		if (p->turnsent && p->toship == to)
52			return 1;
53	return 0;
54}
55
56int
57boarding(struct ship *from, int isdefense)
58{
59	struct BP *p = isdefense ? from->file->DBP : from->file->OBP;
60	struct BP *q = p + NBP;
61
62	for (; p < q; p++)
63		if (p->turnsent)
64			return 1;
65	return 0;
66}
67
68void
69unboard(struct ship *ship, struct ship *to, int isdefense)
70{
71	struct BP *p = isdefense ? ship->file->DBP : ship->file->OBP;
72	int n;
73
74	for (n = 0; n < NBP; p++, n++) {
75		if (p->turnsent &&
76		    (p->toship == to || isdefense || ship == to)) {
77			if (isdefense) {
78				send_dbp(ship, n, 0, 0, 0);
79			} else {
80				send_obp(ship, n, 0, 0, 0);
81			}
82		}
83	}
84}
85