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game.c revision 1.3 
      1  1.3  cgd /*	$NetBSD: game.c,v 1.3 1995/04/22 10:36:56 cgd Exp $	*/
      2  1.3  cgd 
      3  1.1  cgd /*
      4  1.3  cgd  * Copyright (c) 1983, 1993
      5  1.3  cgd  *	The Regents of the University of California.  All rights reserved.
      6  1.1  cgd  *
      7  1.1  cgd  * Redistribution and use in source and binary forms, with or without
      8  1.1  cgd  * modification, are permitted provided that the following conditions
      9  1.1  cgd  * are met:
     10  1.1  cgd  * 1. Redistributions of source code must retain the above copyright
     11  1.1  cgd  *    notice, this list of conditions and the following disclaimer.
     12  1.1  cgd  * 2. Redistributions in binary form must reproduce the above copyright
     13  1.1  cgd  *    notice, this list of conditions and the following disclaimer in the
     14  1.1  cgd  *    documentation and/or other materials provided with the distribution.
     15  1.1  cgd  * 3. All advertising materials mentioning features or use of this software
     16  1.1  cgd  *    must display the following acknowledgement:
     17  1.1  cgd  *	This product includes software developed by the University of
     18  1.1  cgd  *	California, Berkeley and its contributors.
     19  1.1  cgd  * 4. Neither the name of the University nor the names of its contributors
     20  1.1  cgd  *    may be used to endorse or promote products derived from this software
     21  1.1  cgd  *    without specific prior written permission.
     22  1.1  cgd  *
     23  1.1  cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  1.1  cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  1.1  cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  1.1  cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  1.1  cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  1.1  cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  1.1  cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  1.1  cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  1.1  cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  1.1  cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  1.1  cgd  * SUCH DAMAGE.
     34  1.1  cgd  */
     35  1.1  cgd 
     36  1.1  cgd #ifndef lint
     37  1.3  cgd #if 0
     38  1.3  cgd static char sccsid[] = "@(#)game.c	8.1 (Berkeley) 5/31/93";
     39  1.3  cgd #else
     40  1.3  cgd static char rcsid[] = "$NetBSD: game.c,v 1.3 1995/04/22 10:36:56 cgd Exp $";
     41  1.3  cgd #endif
     42  1.1  cgd #endif /* not lint */
     43  1.1  cgd 
     44  1.1  cgd #include "externs.h"
     45  1.1  cgd 
     46  1.1  cgd maxturns(ship, af)
     47  1.1  cgd register struct ship *ship;
     48  1.1  cgd char *af;
     49  1.1  cgd {
     50  1.1  cgd 	register int turns;
     51  1.1  cgd 
     52  1.1  cgd 	turns = ship->specs->ta;
     53  1.1  cgd 	if (*af = (ship->file->drift > 1 && turns)) {
     54  1.1  cgd 		turns--;
     55  1.1  cgd 		if (ship->file->FS == 1)
     56  1.1  cgd 			turns = 0;
     57  1.1  cgd 	}
     58  1.1  cgd 	return turns;
     59  1.1  cgd }
     60  1.1  cgd 
     61  1.1  cgd maxmove(ship, dir, fs)
     62  1.1  cgd register struct ship *ship;
     63  1.1  cgd int dir, fs;
     64  1.1  cgd {
     65  1.1  cgd 	register int riggone = 0, Move, flank = 0;
     66  1.1  cgd 
     67  1.1  cgd 	Move = ship->specs->bs;
     68  1.1  cgd 	if (!ship->specs->rig1)
     69  1.1  cgd 		riggone++;
     70  1.1  cgd 	if (!ship->specs->rig2)
     71  1.1  cgd 		riggone++;
     72  1.1  cgd 	if (!ship->specs->rig3)
     73  1.1  cgd 		riggone++;
     74  1.1  cgd 	if (!ship->specs->rig4)
     75  1.1  cgd 		riggone++;
     76  1.1  cgd 	if ((ship->file->FS || fs) && fs != -1) {
     77  1.1  cgd 		flank = 1;
     78  1.1  cgd 		Move = ship->specs->fs;
     79  1.1  cgd 	}
     80  1.1  cgd 	if (dir == winddir)
     81  1.1  cgd 		Move -= 1 + WET[windspeed][ship->specs->class-1].B;
     82  1.1  cgd 	else if (dir == winddir + 2 || dir == winddir - 2 || dir == winddir - 6 || dir == winddir + 6)
     83  1.1  cgd 		Move -= 1 + WET[windspeed][ship->specs->class-1].C;
     84  1.1  cgd 	else if (dir == winddir + 3 || dir == winddir - 3 || dir == winddir - 5 || dir == winddir + 5)
     85  1.1  cgd 		Move = (flank ? 2 : 1) - WET[windspeed][ship->specs->class-1].D;
     86  1.1  cgd 	else if (dir == winddir + 4 || dir == winddir - 4)
     87  1.1  cgd 		Move = 0;
     88  1.1  cgd 	else
     89  1.1  cgd 		Move -= WET[windspeed][ship->specs->class-1].A;
     90  1.1  cgd 	Move -= riggone;
     91  1.1  cgd 	Move = Move < 0 ? 0 : Move;
     92  1.1  cgd 	return(Move);
     93  1.1  cgd }
     94