158 lines
4.6 KiB
C
158 lines
4.6 KiB
C
/* $NetBSD: hack.worn.c,v 1.7 2009/08/12 07:28:41 dholland Exp $ */
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/*
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* Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
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* Amsterdam
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* 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 are
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* met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* - 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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*
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* - Neither the name of the Stichting Centrum voor Wiskunde en
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* Informatica, nor the names of its contributors may be used to endorse or
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* promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
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* 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. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
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* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: hack.worn.c,v 1.7 2009/08/12 07:28:41 dholland Exp $");
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#endif /* not lint */
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#include "hack.h"
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#include "extern.h"
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static struct worn {
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long w_mask;
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struct obj **w_obj;
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} worn[] = {
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{
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W_ARM, &uarm
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},
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{
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W_ARM2, &uarm2
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},
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{
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W_ARMH, &uarmh
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},
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{
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W_ARMS, &uarms
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},
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{
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W_ARMG, &uarmg
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},
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{
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W_RINGL, &uleft
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},
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{
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W_RINGR, &uright
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},
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{
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W_WEP, &uwep
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},
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{
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W_BALL, &uball
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},
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{
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W_CHAIN, &uchain
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},
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{
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0, 0
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}
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};
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void
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setworn(struct obj *obj, long mask)
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{
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struct worn *wp;
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struct obj *oobj;
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for (wp = worn; wp->w_mask; wp++)
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if (wp->w_mask & mask) {
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oobj = *(wp->w_obj);
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if (oobj && !(oobj->owornmask & wp->w_mask))
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impossible("Setworn: mask = %ld.", wp->w_mask);
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if (oobj)
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oobj->owornmask &= ~wp->w_mask;
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if (obj && oobj && wp->w_mask == W_ARM) {
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if (uarm2) {
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impossible("Setworn: uarm2 set?");
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} else
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setworn(uarm, W_ARM2);
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}
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*(wp->w_obj) = obj;
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if (obj)
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obj->owornmask |= wp->w_mask;
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}
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if (uarm2 && !uarm) {
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uarm = uarm2;
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uarm2 = 0;
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uarm->owornmask ^= (W_ARM | W_ARM2);
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}
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}
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/* called e.g. when obj is destroyed */
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void
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setnotworn(struct obj *obj)
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{
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struct worn *wp;
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for (wp = worn; wp->w_mask; wp++)
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if (obj == *(wp->w_obj)) {
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*(wp->w_obj) = 0;
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obj->owornmask &= ~wp->w_mask;
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}
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if (uarm2 && !uarm) {
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uarm = uarm2;
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uarm2 = 0;
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uarm->owornmask ^= (W_ARM | W_ARM2);
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}
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}
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