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91 lines
3.0 KiB
C
91 lines
3.0 KiB
C
/* $NetBSD: game.c,v 1.11 2003/08/07 09:37:42 agc Exp $ */
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/*
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* Copyright (c) 1983, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)game.c 8.2 (Berkeley) 4/28/95";
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#else
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__RCSID("$NetBSD: game.c,v 1.11 2003/08/07 09:37:42 agc Exp $");
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#endif
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#endif /* not lint */
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#include <sys/types.h>
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#include "extern.h"
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int
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maxturns(struct ship *ship, char *af)
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{
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int turns;
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turns = ship->specs->ta;
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*af = (ship->file->drift > 1 && turns);
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if (*af != '\0') {
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turns--;
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if (ship->file->FS == 1)
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turns = 0;
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}
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return turns;
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}
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int
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maxmove(struct ship *ship, int dir, int fs)
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{
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int riggone = 0, Move, flank = 0;
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Move = ship->specs->bs;
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if (!ship->specs->rig1)
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riggone++;
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if (!ship->specs->rig2)
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riggone++;
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if (!ship->specs->rig3)
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riggone++;
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if (!ship->specs->rig4)
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riggone++;
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if ((ship->file->FS || fs) && fs != -1) {
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flank = 1;
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Move = ship->specs->fs;
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}
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if (dir == winddir)
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Move -= 1 + WET[windspeed][ship->specs->class-1].B;
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else if (dir == winddir + 2 || dir == winddir - 2 || dir == winddir - 6 || dir == winddir + 6)
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Move -= 1 + WET[windspeed][ship->specs->class-1].C;
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else if (dir == winddir + 3 || dir == winddir - 3 || dir == winddir - 5 || dir == winddir + 5)
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Move = (flank ? 2 : 1) - WET[windspeed][ship->specs->class-1].D;
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else if (dir == winddir + 4 || dir == winddir - 4)
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Move = 0;
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else
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Move -= WET[windspeed][ship->specs->class-1].A;
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Move -= riggone;
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Move = Move < 0 ? 0 : Move;
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return(Move);
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}
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