xref: /netbsd/games/hack/hack.bones.c (revision 6550d01e)
1 /*	$NetBSD: hack.bones.c,v 1.8 2009/08/12 07:28:40 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 1.8 2009/08/12 07:28:40 dholland Exp $");
67 #endif				/* not lint */
68 
69 #include "hack.h"
70 #include "extern.h"
71 #include <fcntl.h>
72 #include <unistd.h>
73 
74 static char bones[] = "bones_xx";
75 
76 /* save bones and possessions of a deceased adventurer */
77 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
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