Home | History | Annotate | Line # | Download | only in sail 
      1  1.13  dholland /*	$NetBSD: game.c,v 1.13 2009/03/14 20:04:43 dholland 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  1.11       agc  * 3. Neither the name of the University nor the names of its contributors
     16   1.1       cgd  *    may be used to endorse or promote products derived from this software
     17   1.1       cgd  *    without specific prior written permission.
     18   1.1       cgd  *
     19   1.1       cgd  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     20   1.1       cgd  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     21   1.1       cgd  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     22   1.1       cgd  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     23   1.1       cgd  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     24   1.1       cgd  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     25   1.1       cgd  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     26   1.1       cgd  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     27   1.1       cgd  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     28   1.1       cgd  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     29   1.1       cgd  * SUCH DAMAGE.
     30   1.1       cgd  */
     31   1.1       cgd 
     32   1.5  christos #include <sys/cdefs.h>
     33   1.1       cgd #ifndef lint
     34   1.3       cgd #if 0
     35   1.4       tls static char sccsid[] = "@(#)game.c	8.2 (Berkeley) 4/28/95";
     36   1.3       cgd #else
     37  1.13  dholland __RCSID("$NetBSD: game.c,v 1.13 2009/03/14 20:04:43 dholland Exp $");
     38   1.3       cgd #endif
     39   1.1       cgd #endif /* not lint */
     40   1.1       cgd 
     41   1.9     jwise #include <sys/types.h>
     42  1.13  dholland #include <stdbool.h>
     43   1.4       tls #include "extern.h"
     44   1.1       cgd 
     45   1.5  christos int
     46  1.13  dholland maxturns(struct ship *ship, bool *af)
     47   1.1       cgd {
     48   1.5  christos 	int turns;
     49   1.1       cgd 
     50   1.1       cgd 	turns = ship->specs->ta;
     51   1.6       jsm 	*af = (ship->file->drift > 1 && turns);
     52  1.13  dholland 	if (*af != false) {
     53   1.1       cgd 		turns--;
     54   1.1       cgd 		if (ship->file->FS == 1)
     55   1.1       cgd 			turns = 0;
     56   1.1       cgd 	}
     57   1.1       cgd 	return turns;
     58   1.1       cgd }
     59   1.1       cgd 
     60   1.5  christos int
     61   1.7     jwise maxmove(struct ship *ship, int dir, int fs)
     62   1.1       cgd {
     63   1.5  christos 	int riggone = 0, Move, flank = 0;
     64   1.1       cgd 
     65   1.1       cgd 	Move = ship->specs->bs;
     66   1.1       cgd 	if (!ship->specs->rig1)
     67   1.1       cgd 		riggone++;
     68   1.1       cgd 	if (!ship->specs->rig2)
     69   1.1       cgd 		riggone++;
     70   1.1       cgd 	if (!ship->specs->rig3)
     71   1.1       cgd 		riggone++;
     72   1.1       cgd 	if (!ship->specs->rig4)
     73   1.1       cgd 		riggone++;
     74   1.1       cgd 	if ((ship->file->FS || fs) && fs != -1) {
     75   1.1       cgd 		flank = 1;
     76   1.1       cgd 		Move = ship->specs->fs;
     77   1.1       cgd 	}
     78   1.1       cgd 	if (dir == winddir)
     79   1.1       cgd 		Move -= 1 + WET[windspeed][ship->specs->class-1].B;
     80  1.12  dholland 	else if (dir == winddir + 2 || dir == winddir - 2 ||
     81  1.12  dholland 		 dir == winddir - 6 || dir == winddir + 6)
     82   1.1       cgd 		Move -= 1 + WET[windspeed][ship->specs->class-1].C;
     83  1.12  dholland 	else if (dir == winddir + 3 || dir == winddir - 3 ||
     84  1.12  dholland 		 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  1.12  dholland 	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