1/*	$OpenBSD: hack.bones.c,v 1.12 2023/06/03 15:19:38 op Exp $	*/
2
3/*
4 * Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
5 * Amsterdam
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions are
10 * met:
11 *
12 * - Redistributions of source code must retain the above copyright notice,
13 * this list of conditions and the following disclaimer.
14 *
15 * - Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * - Neither the name of the Stichting Centrum voor Wiskunde en
20 * Informatica, nor the names of its contributors may be used to endorse or
21 * promote products derived from this software without specific prior
22 * written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
25 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
27 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
28 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
29 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
30 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
31 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
32 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
33 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
34 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 */
36
37/*
38 * Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
39 * All rights reserved.
40 *
41 * Redistribution and use in source and binary forms, with or without
42 * modification, are permitted provided that the following conditions
43 * are met:
44 * 1. Redistributions of source code must retain the above copyright
45 *    notice, this list of conditions and the following disclaimer.
46 * 2. Redistributions in binary form must reproduce the above copyright
47 *    notice, this list of conditions and the following disclaimer in the
48 *    documentation and/or other materials provided with the distribution.
49 * 3. The name of the author may not be used to endorse or promote products
50 *    derived from this software without specific prior written permission.
51 *
52 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
53 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
54 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
55 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
56 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
57 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
58 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
59 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
60 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
61 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62 */
63
64#include <unistd.h>
65
66#include "hack.h"
67
68extern char plname[PL_NSIZ];
69extern struct permonst pm_ghost;
70
71char bones[] = "bones_xx";
72
73/* save bones and possessions of a deceased adventurer */
74void
75savebones(void)
76{
77	int fd;
78	struct obj *otmp;
79	struct trap *ttmp;
80	struct monst *mtmp;
81
82	if(dlevel <= 0 || dlevel > MAXLEVEL) return;
83	if(!rn2(1 + dlevel/2)) return;	/* not so many ghosts on low levels */
84	bones[6] = '0' + (dlevel/10);
85	bones[7] = '0' + (dlevel%10);
86	if((fd = open(bones, O_RDONLY)) >= 0){
87		(void) close(fd);
88		return;
89	}
90	/* drop everything; the corpse's possessions are usually cursed */
91	otmp = invent;
92	while(otmp){
93		otmp->ox = u.ux;
94		otmp->oy = u.uy;
95		otmp->age = 0;		/* very long ago */
96		otmp->owornmask = 0;
97		if(rn2(5)) otmp->cursed = 1;
98		if(!otmp->nobj){
99			otmp->nobj = fobj;
100			fobj = invent;
101			invent = 0;	/* superfluous */
102			break;
103		}
104		otmp = otmp->nobj;
105	}
106	if(!(mtmp = makemon(PM_GHOST, u.ux, u.uy))) return;
107	mtmp->mx = u.ux;
108	mtmp->my = u.uy;
109	mtmp->msleep = 1;
110	(void) strlcpy((char *) mtmp->mextra, plname, mtmp->mxlth);
111	mkgold(somegold() + d(dlevel,30), u.ux, u.uy);
112	for(mtmp = fmon; mtmp; mtmp = mtmp->nmon){
113		mtmp->m_id = 0;
114		if(mtmp->mtame) {
115			mtmp->mtame = 0;
116			mtmp->mpeaceful = 0;
117		}
118		mtmp->mlstmv = 0;
119		if(mtmp->mdispl) unpmon(mtmp);
120	}
121	for(ttmp = ftrap; ttmp; ttmp = ttmp->ntrap)
122		ttmp->tseen = 0;
123	for(otmp = fobj; otmp; otmp = otmp->nobj) {
124		otmp->o_id = 0;
125	     /* otmp->o_cnt_id = 0; - superfluous */
126		otmp->onamelth = 0;
127		otmp->known = 0;
128		otmp->invlet = 0;
129		if(otmp->olet == AMULET_SYM && !otmp->spe) {
130			otmp->spe = -1;      /* no longer the actual amulet */
131			otmp->cursed = 1;    /* flag as gotten from a ghost */
132		}
133	}
134	if((fd = open(bones, O_CREAT | O_TRUNC | O_WRONLY, FMASK)) == -1) return;
135	savelev(fd,dlevel);
136	(void) close(fd);
137}
138
139int
140getbones(void)
141{
142	int fd,x,y;
143
144	if(rn2(3)) return(0);	/* only once in three times do we find bones */
145	bones[6] = '0' + dlevel/10;
146	bones[7] = '0' + dlevel%10;
147	if((fd = open(bones, O_RDONLY)) == -1) return(0);
148	getlev(fd, 0, dlevel);
149	for(x = 0; x < COLNO; x++) for(y = 0; y < ROWNO; y++)
150		levl[x][y].seen = levl[x][y].new = 0;
151	(void) close(fd);
152#ifdef WIZARD
153	if(!wizard)	/* duvel!frans: don't remove bones while debugging */
154#endif /* WiZARD */
155	    if(unlink(bones) == -1){
156		pline("Cannot unlink %s .", bones);
157		return(0);
158	}
159	return(1);
160}
161