2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * @(#)game.c 8.1 (Berkeley) 5/31/93
30 * $FreeBSD: src/games/sail/game.c,v 1.5 1999/11/30 03:49:33 billf Exp $
31 * $DragonFly: src/games/sail/game.c,v 1.3 2006/09/03 17:33:13 pavalos Exp $
37 maxturns(struct ship *ship, char *af)
41 turns = ship->specs->ta;
42 *af = (ship->file->drift > 1 && turns);
45 if (ship->file->FS == 1)
52 maxmove(struct ship *ship, int dir, int fs)
54 int riggone = 0, Move, flank = 0;
56 Move = ship->specs->bs;
57 if (!ship->specs->rig1)
59 if (!ship->specs->rig2)
61 if (!ship->specs->rig3)
63 if (!ship->specs->rig4)
65 if ((ship->file->FS || fs) && fs != -1) {
67 Move = ship->specs->fs;
70 Move -= 1 + WET[windspeed][ship->specs->class-1].B;
71 else if (dir == winddir + 2 || dir == winddir - 2 ||
72 dir == winddir - 6 || dir == winddir + 6)
73 Move -= 1 + WET[windspeed][ship->specs->class-1].C;
74 else if (dir == winddir + 3 || dir == winddir - 3 ||
75 dir == winddir - 5 || dir == winddir + 5)
76 Move = (flank ? 2 : 1) - WET[windspeed][ship->specs->class-1].D;
77 else if (dir == winddir + 4 || dir == winddir - 4)
80 Move -= WET[windspeed][ship->specs->class-1].A;
82 Move = Move < 0 ? 0 : Move;