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      1 /*	$NetBSD: parties.c,v 1.12 2009/03/14 22:52:52 dholland 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
     35 static char sccsid[] = "@(#)parties.c	8.2 (Berkeley) 4/28/95";
     36 #else
     37 __RCSID("$NetBSD: parties.c,v 1.12 2009/03/14 22:52:52 dholland Exp $");
     38 #endif
     39 #endif /* not lint */
     40 
     41 #include <sys/types.h>
     42 #include "extern.h"
     43 
     44 int
     45 meleeing(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 
     56 int
     57 boarding(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 
     68 void
     69 unboard(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