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Initial revision
git-svn-id: file:///srv/svn/joey/bsdgames-trunk@5198 a4a2c43b-8ac3-0310-8836-e0e880c912e2
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joey
349
hack/hack.lev.c
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349
hack/hack.lev.c
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/* $NetBSD: hack.lev.c,v 1.5 2001/03/25 20:44:01 jsm 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.lev.c,v 1.5 2001/03/25 20:44:01 jsm Exp $");
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#endif /* not lint */
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#include <stdlib.h>
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#include <unistd.h>
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#include "hack.h"
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#include "extern.h"
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#include "def.mkroom.h"
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#ifndef NOWORM
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#include "def.wseg.h"
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#endif /* NOWORM */
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boolean level_exists[MAXLEVEL + 1];
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void
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savelev(fd, lev)
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int fd;
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xchar lev;
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{
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#ifndef NOWORM
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struct wseg *wtmp, *wtmp2;
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int tmp;
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#endif /* NOWORM */
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if (fd < 0)
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panic("Save on bad file!"); /* impossible */
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if (lev >= 0 && lev <= MAXLEVEL)
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level_exists[lev] = TRUE;
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bwrite(fd, (char *) &hackpid, sizeof(hackpid));
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bwrite(fd, (char *) &lev, sizeof(lev));
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bwrite(fd, (char *) levl, sizeof(levl));
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bwrite(fd, (char *) &moves, sizeof(long));
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bwrite(fd, (char *) &xupstair, sizeof(xupstair));
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bwrite(fd, (char *) &yupstair, sizeof(yupstair));
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bwrite(fd, (char *) &xdnstair, sizeof(xdnstair));
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bwrite(fd, (char *) &ydnstair, sizeof(ydnstair));
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savemonchn(fd, fmon);
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savegoldchn(fd, fgold);
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savetrapchn(fd, ftrap);
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saveobjchn(fd, fobj);
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saveobjchn(fd, billobjs);
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billobjs = 0;
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save_engravings(fd);
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#ifndef QUEST
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bwrite(fd, (char *) rooms, sizeof(rooms));
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bwrite(fd, (char *) doors, sizeof(doors));
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#endif /* QUEST */
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fgold = 0;
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ftrap = 0;
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fmon = 0;
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fobj = 0;
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#ifndef NOWORM
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bwrite(fd, (char *) wsegs, sizeof(wsegs));
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for (tmp = 1; tmp < 32; tmp++) {
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for (wtmp = wsegs[tmp]; wtmp; wtmp = wtmp2) {
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wtmp2 = wtmp->nseg;
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bwrite(fd, (char *) wtmp, sizeof(struct wseg));
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}
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wsegs[tmp] = 0;
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}
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bwrite(fd, (char *) wgrowtime, sizeof(wgrowtime));
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#endif /* NOWORM */
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}
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void
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bwrite(fd, loc, num)
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int fd;
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const void *loc;
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unsigned num;
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{
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if (write(fd, loc, num) != (ssize_t)num)
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panic("cannot write %u bytes to file #%d", num, fd);
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}
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void
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saveobjchn(fd, otmp)
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int fd;
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struct obj *otmp;
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{
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struct obj *otmp2;
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unsigned xl;
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int minusone = -1;
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while (otmp) {
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otmp2 = otmp->nobj;
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xl = otmp->onamelth;
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bwrite(fd, (char *) &xl, sizeof(int));
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bwrite(fd, (char *) otmp, xl + sizeof(struct obj));
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free((char *) otmp);
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otmp = otmp2;
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}
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bwrite(fd, (char *) &minusone, sizeof(int));
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}
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void
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savemonchn(fd, mtmp)
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int fd;
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struct monst *mtmp;
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{
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struct monst *mtmp2;
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unsigned xl;
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int minusone = -1;
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const struct permonst *monbegin = &mons[0];
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bwrite(fd, &monbegin, sizeof(monbegin));
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while (mtmp) {
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mtmp2 = mtmp->nmon;
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xl = mtmp->mxlth + mtmp->mnamelth;
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bwrite(fd, (char *) &xl, sizeof(int));
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bwrite(fd, (char *) mtmp, xl + sizeof(struct monst));
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if (mtmp->minvent)
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saveobjchn(fd, mtmp->minvent);
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free((char *) mtmp);
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mtmp = mtmp2;
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}
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bwrite(fd, (char *) &minusone, sizeof(int));
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}
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void
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savegoldchn(fd, gold)
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int fd;
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struct gold *gold;
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{
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struct gold *gold2;
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while (gold) {
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gold2 = gold->ngold;
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bwrite(fd, (char *) gold, sizeof(struct gold));
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free((char *) gold);
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gold = gold2;
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}
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bwrite(fd, nul, sizeof(struct gold));
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}
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void
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savetrapchn(fd, trap)
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int fd;
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struct trap *trap;
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{
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struct trap *trap2;
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while (trap) {
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trap2 = trap->ntrap;
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bwrite(fd, (char *) trap, sizeof(struct trap));
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free((char *) trap);
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trap = trap2;
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}
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bwrite(fd, nul, sizeof(struct trap));
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}
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void
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getlev(fd, pid, lev)
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int fd, pid;
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xchar lev;
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{
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struct gold *gold;
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struct trap *trap;
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#ifndef NOWORM
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struct wseg *wtmp;
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#endif /* NOWORM */
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int tmp;
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long omoves;
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int hpid;
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xchar dlvl;
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/* First some sanity checks */
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mread(fd, (char *) &hpid, sizeof(hpid));
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mread(fd, (char *) &dlvl, sizeof(dlvl));
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if ((pid && pid != hpid) || (lev && dlvl != lev)) {
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pline("Strange, this map is not as I remember it.");
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pline("Somebody is trying some trickery here ...");
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pline("This game is void ...");
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done("tricked");
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}
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fgold = 0;
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ftrap = 0;
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mread(fd, (char *) levl, sizeof(levl));
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mread(fd, (char *) &omoves, sizeof(omoves));
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mread(fd, (char *) &xupstair, sizeof(xupstair));
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mread(fd, (char *) &yupstair, sizeof(yupstair));
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mread(fd, (char *) &xdnstair, sizeof(xdnstair));
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mread(fd, (char *) &ydnstair, sizeof(ydnstair));
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fmon = restmonchn(fd);
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/* regenerate animals while on another level */
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{
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long tmoves = (moves > omoves) ? moves - omoves : 0;
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struct monst *mtmp, *mtmp2;
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for (mtmp = fmon; mtmp; mtmp = mtmp2) {
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long newhp; /* tmoves may be very large */
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mtmp2 = mtmp->nmon;
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if (strchr(genocided, mtmp->data->mlet)) {
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mondead(mtmp);
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continue;
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}
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if (mtmp->mtame && tmoves > 250) {
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mtmp->mtame = 0;
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mtmp->mpeaceful = 0;
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}
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newhp = mtmp->mhp +
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(strchr(MREGEN, mtmp->data->mlet) ? tmoves : tmoves / 20);
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if (newhp > mtmp->mhpmax)
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mtmp->mhp = mtmp->mhpmax;
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else
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mtmp->mhp = newhp;
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}
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}
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setgd();
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gold = newgold();
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mread(fd, (char *) gold, sizeof(struct gold));
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while (gold->gx) {
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gold->ngold = fgold;
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fgold = gold;
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gold = newgold();
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mread(fd, (char *) gold, sizeof(struct gold));
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}
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free((char *) gold);
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trap = newtrap();
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mread(fd, (char *) trap, sizeof(struct trap));
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while (trap->tx) {
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trap->ntrap = ftrap;
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ftrap = trap;
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trap = newtrap();
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mread(fd, (char *) trap, sizeof(struct trap));
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}
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free((char *) trap);
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fobj = restobjchn(fd);
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billobjs = restobjchn(fd);
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rest_engravings(fd);
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#ifndef QUEST
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mread(fd, (char *) rooms, sizeof(rooms));
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mread(fd, (char *) doors, sizeof(doors));
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#endif /* QUEST */
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#ifndef NOWORM
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mread(fd, (char *) wsegs, sizeof(wsegs));
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for (tmp = 1; tmp < 32; tmp++)
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if (wsegs[tmp]) {
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wheads[tmp] = wsegs[tmp] = wtmp = newseg();
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while (1) {
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mread(fd, (char *) wtmp, sizeof(struct wseg));
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if (!wtmp->nseg)
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break;
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wheads[tmp]->nseg = wtmp = newseg();
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wheads[tmp] = wtmp;
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}
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}
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mread(fd, (char *) wgrowtime, sizeof(wgrowtime));
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#endif /* NOWORM */
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}
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void
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mread(fd, buf, len)
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int fd;
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char *buf;
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unsigned len;
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{
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int rlen;
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rlen = read(fd, buf, (int) len);
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if (rlen != (int)len) {
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pline("Read %d instead of %u bytes.\n", rlen, len);
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if (restoring) {
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(void) unlink(SAVEF);
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error("Error restoring old game.");
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}
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panic("Error reading level file.");
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}
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}
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void
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mklev()
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{
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if (getbones())
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return;
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in_mklev = TRUE;
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makelevel();
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in_mklev = FALSE;
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}
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