xref: /dragonfly/games/hack/hack.bones.c (revision e6d22e9b)
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 <fcntl.h>
65 #include <unistd.h>
66 #include "hack.h"
67 #include "extern.h"
68 
69 static char bones[] = "bones_xx";
70 
71 /* save bones and possessions of a deceased adventurer */
72 void
73 savebones(void)
74 {
75 	int fd;
76 	struct obj *otmp;
77 	struct trap *ttmp;
78 	struct monst *mtmp;
79 
80 	if (dlevel <= 0 || dlevel > MAXLEVEL)
81 		return;
82 	if (!rn2(1 + dlevel / 2))
83 		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))
98 			otmp->cursed = 1;
99 		if (!otmp->nobj) {
100 			otmp->nobj = fobj;
101 			fobj = invent;
102 			invent = 0;	/* superfluous */
103 			break;
104 		}
105 		otmp = otmp->nobj;
106 	}
107 	if (!(mtmp = makemon(PM_GHOST, u.ux, u.uy)))
108 		return;
109 	mtmp->mx = u.ux;
110 	mtmp->my = u.uy;
111 	mtmp->msleep = 1;
112 	(void) strcpy((char *) mtmp->mextra, plname);
113 	mkgold(somegold() + d(dlevel, 30), u.ux, u.uy);
114 	for (mtmp = fmon; mtmp; mtmp = mtmp->nmon) {
115 		mtmp->m_id = 0;
116 		if (mtmp->mtame) {
117 			mtmp->mtame = 0;
118 			mtmp->mpeaceful = 0;
119 		}
120 		mtmp->mlstmv = 0;
121 		if (mtmp->mdispl)
122 			unpmon(mtmp);
123 	}
124 	for (ttmp = ftrap; ttmp; ttmp = ttmp->ntrap)
125 		ttmp->tseen = 0;
126 	for (otmp = fobj; otmp; otmp = otmp->nobj) {
127 		otmp->o_id = 0;
128 		/* otmp->o_cnt_id = 0; - superfluous */
129 		otmp->onamelth = 0;
130 		otmp->known = 0;
131 		otmp->invlet = 0;
132 		if (otmp->olet == AMULET_SYM && !otmp->spe) {
133 			otmp->spe = -1;	/* no longer the actual amulet */
134 			otmp->cursed = 1;	/* flag as gotten from a
135 						 * ghost */
136 		}
137 	}
138 	if ((fd = creat(bones, FMASK)) < 0)
139 		return;
140 	savelev(fd, dlevel);
141 	(void) close(fd);
142 }
143 
144 int
145 getbones(void)
146 {
147 	int fd, x, y, ok;
148 
149 	if (rn2(3))
150 		return (0);	/* only once in three times do we find bones */
151 	bones[6] = '0' + dlevel / 10;
152 	bones[7] = '0' + dlevel % 10;
153 	if ((fd = open(bones, O_RDONLY)) < 0)
154 		return (0);
155 	if ((ok = uptodate(fd)) != 0) {
156 		getlev(fd, 0, dlevel);
157 		for (x = 0; x < COLNO; x++)
158 			for (y = 0; y < ROWNO; y++)
159 				levl[x][y].seen = levl[x][y].new = 0;
160 	}
161 	(void) close(fd);
162 #ifdef WIZARD
163 	if (!wizard)		/* duvel!frans: don't remove bones while
164 				 * debugging */
165 #endif	/* WiZARD */
166 		if (unlink(bones) < 0) {
167 			pline("Cannot unlink %s .", bones);
168 			return (0);
169 		}
170 	return (ok);
171 }
172