text: /*	$NetBSD: hack.bones.c,v 1.6 2003/04/02 18:36:35 jsm Exp $	*/
  
  /*
   * Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
   * Amsterdam
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   *
   * - Redistributions of source code must retain the above copyright notice,
   * this list of conditions and the following disclaimer.
   *
   * - Redistributions in binary form must reproduce the above copyright
   * notice, this list of conditions and the following disclaimer in the
   * documentation and/or other materials provided with the distribution.
   *
   * - Neither the name of the Stichting Centrum voor Wiskunde en
   * Informatica, nor the names of its contributors may be used to endorse or
   * promote products derived from this software without specific prior
   * written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
   * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
   * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
   * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  /*
   * Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. The name of the author may not be used to endorse or promote products
   *    derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
   * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
   * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
   * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
   * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #include <sys/cdefs.h>
  #ifndef lint
  __RCSID("$NetBSD: hack.bones.c,v 1.6 2003/04/02 18:36:35 jsm Exp $");
  #endif				/* not lint */
  
  #include "hack.h"
  #include "extern.h"
  #include <fcntl.h>
  #include <unistd.h>
  
  char            bones[] = "bones_xx";
  
  /* save bones and possessions of a deceased adventurer */
  void
  savebones()
  {
  	int fd;
  	struct obj *otmp;
  	struct trap *ttmp;
  	struct monst *mtmp;
  
  	if (dlevel <= 0 || dlevel > MAXLEVEL)
  		return;
  	if (!rn2(1 + dlevel / 2))
  		return;		/* not so many ghosts on low levels */
  	bones[6] = '0' + (dlevel / 10);
  	bones[7] = '0' + (dlevel % 10);
  	if ((fd = open(bones, O_RDONLY)) >= 0) {
  		(void) close(fd);
  		return;
  	}
  	/* drop everything; the corpse's possessions are usually cursed */
  	otmp = invent;
  	while (otmp) {
  		otmp->ox = u.ux;
  		otmp->oy = u.uy;
  		otmp->age = 0;	/* very long ago */
  		otmp->owornmask = 0;
  		if (rn2(5))
  			otmp->cursed = 1;
  		if (!otmp->nobj) {
  			otmp->nobj = fobj;
  			fobj = invent;
  			invent = 0;	/* superfluous */
  			break;
  		}
  		otmp = otmp->nobj;
  	}
  	if (!(mtmp = makemon(PM_GHOST, u.ux, u.uy)))
  		return;
  	mtmp->mx = u.ux;
  	mtmp->my = u.uy;
  	mtmp->msleep = 1;
  	(void) strcpy((char *) mtmp->mextra, plname);
  	mkgold(somegold() + d(dlevel, 30), u.ux, u.uy);
  	for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
  		mtmp->m_id = 0;
  		if (mtmp->mtame) {
  			mtmp->mtame = 0;
  			mtmp->mpeaceful = 0;
  		}
  		mtmp->mlstmv = 0;
  		if (mtmp->mdispl)
  			unpmon(mtmp);
  	}
  	for (ttmp = ftrap; ttmp; ttmp = ttmp->ntrap)
  		ttmp->tseen = 0;
  	for (otmp = fobj; otmp; otmp = otmp->nobj) {
  		otmp->o_id = 0;
  		/* otmp->o_cnt_id = 0; - superfluous */
  		otmp->onamelth = 0;
  		otmp->known = 0;
  		otmp->invlet = 0;
  		if (otmp->olet == AMULET_SYM && !otmp->spe) {
  			otmp->spe = -1;	/* no longer the actual amulet */
  			otmp->cursed = 1;	/* flag as gotten from a
  						 * ghost */
  		}
  	}
  	if ((fd = creat(bones, FMASK)) < 0)
  		return;
  	savelev(fd, dlevel);
  	(void) close(fd);
  }
  
  int
  getbones()
  {
  	int fd, x, y, ok;
  
  	if (rn2(3))
  		return (0);	/* only once in three times do we find bones */
  	bones[6] = '0' + dlevel / 10;
  	bones[7] = '0' + dlevel % 10;
  	if ((fd = open(bones, O_RDONLY)) < 0)
  		return (0);
  	if ((ok = uptodate(fd)) != 0) {
  		getlev(fd, 0, dlevel);
  		for (x = 0; x < COLNO; x++)
  			for (y = 0; y < ROWNO; y++)
  				levl[x][y].seen = levl[x][y].new = 0;
  	}
  	(void) close(fd);
  #ifdef WIZARD
  	if (!wizard)		/* duvel!frans: don't remove bones while
  				 * debugging */
  #endif	/* WiZARD */
  		if (unlink(bones) < 0) {
  			pline("Cannot unlink %s .", bones);
  			return (0);
  		}
  	return (ok);
  }
  