1 /*        $NetBSD: hack.bones.c,v 1.9 2011/07/20 07:04:30 dholland 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 <sys/cdefs.h>
65 #ifndef lint
66 __RCSID("$NetBSD: hack.bones.c,v 1.9 2011/07/20 07:04:30 dholland Exp $");
67 #endif                                  /* not lint */
68 
69 #include <fcntl.h>
70 #include <unistd.h>
71 #include "hack.h"
72 #include "extern.h"
73 
74 static char bones[] = "bones_xx";
75 
76 /* save bones and possessions of a deceased adventurer */
77 void
savebones(void)78 savebones(void)
79 {
80           int fd;
81           struct obj *otmp;
82           struct trap *ttmp;
83           struct monst *mtmp;
84 
85           if (dlevel <= 0 || dlevel > MAXLEVEL)
86                     return;
87           if (!rn2(1 + dlevel / 2))
88                     return;             /* not so many ghosts on low levels */
89           bones[6] = '0' + (dlevel / 10);
90           bones[7] = '0' + (dlevel % 10);
91           if ((fd = open(bones, O_RDONLY)) >= 0) {
92                     (void) close(fd);
93                     return;
94           }
95           /* drop everything; the corpse's possessions are usually cursed */
96           otmp = invent;
97           while (otmp) {
98                     otmp->ox = u.ux;
99                     otmp->oy = u.uy;
100                     otmp->age = 0;      /* very long ago */
101                     otmp->owornmask = 0;
102                     if (rn2(5))
103                               otmp->cursed = 1;
104                     if (!otmp->nobj) {
105                               otmp->nobj = fobj;
106                               fobj = invent;
107                               invent = 0;         /* superfluous */
108                               break;
109                     }
110                     otmp = otmp->nobj;
111           }
112           if (!(mtmp = makemon(PM_GHOST, u.ux, u.uy)))
113                     return;
114           mtmp->mx = u.ux;
115           mtmp->my = u.uy;
116           mtmp->msleep = 1;
117           (void) strcpy((char *) mtmp->mextra, plname);
118           mkgold(somegold() + d(dlevel, 30), u.ux, u.uy);
119           for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
120                     mtmp->m_id = 0;
121                     if (mtmp->mtame) {
122                               mtmp->mtame = 0;
123                               mtmp->mpeaceful = 0;
124                     }
125                     mtmp->mlstmv = 0;
126                     if (mtmp->mdispl)
127                               unpmon(mtmp);
128           }
129           for (ttmp = ftrap; ttmp; ttmp = ttmp->ntrap)
130                     ttmp->tseen = 0;
131           for (otmp = fobj; otmp; otmp = otmp->nobj) {
132                     otmp->o_id = 0;
133                     /* otmp->o_cnt_id = 0; - superfluous */
134                     otmp->onamelth = 0;
135                     otmp->known = 0;
136                     otmp->invlet = 0;
137                     if (otmp->olet == AMULET_SYM && !otmp->spe) {
138                               otmp->spe = -1;     /* no longer the actual amulet */
139                               otmp->cursed = 1;   /* flag as gotten from a
140                                                              * ghost */
141                     }
142           }
143           if ((fd = creat(bones, FMASK)) < 0)
144                     return;
145           savelev(fd, dlevel);
146           (void) close(fd);
147 }
148 
149 int
getbones(void)150 getbones(void)
151 {
152           int fd, x, y, ok;
153 
154           if (rn2(3))
155                     return (0);         /* only once in three times do we find bones */
156           bones[6] = '0' + dlevel / 10;
157           bones[7] = '0' + dlevel % 10;
158           if ((fd = open(bones, O_RDONLY)) < 0)
159                     return (0);
160           if ((ok = uptodate(fd)) != 0) {
161                     getlev(fd, 0, dlevel);
162                     for (x = 0; x < COLNO; x++)
163                               for (y = 0; y < ROWNO; y++)
164                                         levl[x][y].seen = levl[x][y].new = 0;
165           }
166           (void) close(fd);
167 #ifdef WIZARD
168           if (!wizard)                  /* duvel!frans: don't remove bones while
169                                          * debugging */
170 #endif    /* WiZARD */
171                     if (unlink(bones) < 0) {
172                               pline("Cannot unlink %s .", bones);
173                               return (0);
174                     }
175           return (ok);
176 }
177