xref: /openbsd-src/games/hack/hack.bones.c (revision a28daedfc357b214be5c701aa8ba8adb29a7f1c2)
1 /*	$OpenBSD: hack.bones.c,v 1.7 2003/05/19 06:30:56 pjanzen 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 #ifndef lint
65 static const char rcsid[] = "$OpenBSD: hack.bones.c,v 1.7 2003/05/19 06:30:56 pjanzen Exp $";
66 #endif /* not lint */
67 
68 #include <unistd.h>
69 #include "hack.h"
70 extern char plname[PL_NSIZ];
71 extern struct permonst pm_ghost;
72 
73 char bones[] = "bones_xx";
74 
75 /* save bones and possessions of a deceased adventurer */
76 void
77 savebones()
78 {
79 	int fd;
80 	struct obj *otmp;
81 	struct trap *ttmp;
82 	struct monst *mtmp;
83 
84 	if(dlevel <= 0 || dlevel > MAXLEVEL) return;
85 	if(!rn2(1 + dlevel/2)) return;	/* not so many ghosts on low levels */
86 	bones[6] = '0' + (dlevel/10);
87 	bones[7] = '0' + (dlevel%10);
88 	if((fd = open(bones, O_RDONLY)) >= 0){
89 		(void) close(fd);
90 		return;
91 	}
92 	/* drop everything; the corpse's possessions are usually cursed */
93 	otmp = invent;
94 	while(otmp){
95 		otmp->ox = u.ux;
96 		otmp->oy = u.uy;
97 		otmp->age = 0;		/* very long ago */
98 		otmp->owornmask = 0;
99 		if(rn2(5)) otmp->cursed = 1;
100 		if(!otmp->nobj){
101 			otmp->nobj = fobj;
102 			fobj = invent;
103 			invent = 0;	/* superfluous */
104 			break;
105 		}
106 		otmp = otmp->nobj;
107 	}
108 	if(!(mtmp = makemon(PM_GHOST, u.ux, u.uy))) return;
109 	mtmp->mx = u.ux;
110 	mtmp->my = u.uy;
111 	mtmp->msleep = 1;
112 	(void) strlcpy((char *) mtmp->mextra, plname, mtmp->mxlth);
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) unpmon(mtmp);
122 	}
123 	for(ttmp = ftrap; ttmp; ttmp = ttmp->ntrap)
124 		ttmp->tseen = 0;
125 	for(otmp = fobj; otmp; otmp = otmp->nobj) {
126 		otmp->o_id = 0;
127 	     /* otmp->o_cnt_id = 0; - superfluous */
128 		otmp->onamelth = 0;
129 		otmp->known = 0;
130 		otmp->invlet = 0;
131 		if(otmp->olet == AMULET_SYM && !otmp->spe) {
132 			otmp->spe = -1;      /* no longer the actual amulet */
133 			otmp->cursed = 1;    /* flag as gotten from a ghost */
134 		}
135 	}
136 	if((fd = creat(bones, FMASK)) < 0) return;
137 	savelev(fd,dlevel);
138 	(void) close(fd);
139 }
140 
141 int
142 getbones()
143 {
144 	int fd,x,y,ok;
145 
146 	if(rn2(3)) return(0);	/* only once in three times do we find bones */
147 	bones[6] = '0' + dlevel/10;
148 	bones[7] = '0' + dlevel%10;
149 	if((fd = open(bones, O_RDONLY)) < 0) return(0);
150 	if((ok = uptodate(fd)) != 0){
151 		getlev(fd, 0, dlevel);
152 		for(x = 0; x < COLNO; x++) for(y = 0; y < ROWNO; y++)
153 			levl[x][y].seen = levl[x][y].new = 0;
154 	}
155 	(void) close(fd);
156 #ifdef WIZARD
157 	if(!wizard)	/* duvel!frans: don't remove bones while debugging */
158 #endif /* WiZARD */
159 	    if(unlink(bones) < 0){
160 		pline("Cannot unlink %s .", bones);
161 		return(0);
162 	}
163 	return(ok);
164 }
165