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70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
/* $NetBSD: dr_4.c,v 1.13 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[] = "@(#)dr_4.c 8.2 (Berkeley) 4/28/95";
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#else
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__RCSID("$NetBSD: dr_4.c,v 1.13 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 <stdlib.h>
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#include "extern.h"
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void
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ungrap(struct ship *from, struct ship *to)
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{
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int k;
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char friend;
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if ((k = grappled2(from, to)) == 0)
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return;
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friend = capship(from)->nationality == capship(to)->nationality;
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while (--k >= 0) {
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if (friend || dieroll() < 3) {
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cleangrapple(from, to, 0);
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makesignal(from, "ungrappling $$", to);
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}
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}
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}
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void
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grap(struct ship *from, struct ship *to)
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{
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if (capship(from)->nationality != capship(to)->nationality && dieroll() > 2)
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return;
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Write(W_GRAP, from, to->file->index, 0, 0, 0);
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Write(W_GRAP, to, from->file->index, 0, 0, 0);
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makesignal(from, "grappled with $$", to);
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}
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