1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
/* $OpenBSD: hack.o_init.c,v 1.3 2003/03/16 21:22:36 camield Exp $ */
/*
* Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica,
* Amsterdam
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of the Stichting Centrum voor Wiskunde en
* Informatica, nor the names of its contributors may be used to endorse or
* promote products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (c) 1982 Jay Fenlason <hack@gnu.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
* THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef lint
static char rcsid[] = "$OpenBSD: hack.o_init.c,v 1.3 2003/03/16 21:22:36 camield Exp $";
#endif /* not lint */
#include "config.h" /* for typedefs */
#include "def.objects.h"
#include "hack.onames.h" /* for LAST_GEM */
#include <string.h>
int
letindex(let) register char let; {
register int i = 0;
register char ch;
while((ch = obj_symbols[i++]) != 0)
if(ch == let) return(i);
return(0);
}
init_objects(){
register int i, j, first, last, sum, end;
register char let, *tmp;
/* init base; if probs given check that they add up to 100,
otherwise compute probs; shuffle descriptions */
end = SIZE(objects);
first = 0;
while( first < end ) {
let = objects[first].oc_olet;
last = first+1;
while(last < end && objects[last].oc_olet == let
&& objects[last].oc_name != NULL)
last++;
i = letindex(let);
if((!i && let != ILLOBJ_SYM) || bases[i] != 0)
error("initialization error");
bases[i] = first;
if(let == GEM_SYM)
setgemprobs();
check:
sum = 0;
for(j = first; j < last; j++) sum += objects[j].oc_prob;
if(sum == 0) {
for(j = first; j < last; j++)
objects[j].oc_prob = (100+j-first)/(last-first);
goto check;
}
if(sum != 100)
error("init-prob error for %c", let);
if(objects[first].oc_descr != NULL && let != TOOL_SYM){
/* shuffle, also some additional descriptions */
while(last < end && objects[last].oc_olet == let)
last++;
j = last;
while(--j > first) {
i = first + rn2(j+1-first);
tmp = objects[j].oc_descr;
objects[j].oc_descr = objects[i].oc_descr;
objects[i].oc_descr = tmp;
}
}
first = last;
}
}
probtype(let) register char let; {
register int i = bases[letindex(let)];
register int prob = rn2(100);
while((prob -= objects[i].oc_prob) >= 0) i++;
if(objects[i].oc_olet != let || !objects[i].oc_name)
panic("probtype(%c) error, i=%d", let, i);
return(i);
}
setgemprobs()
{
register int j,first;
extern xchar dlevel;
first = bases[letindex(GEM_SYM)];
for(j = 0; j < 9-dlevel/3; j++)
objects[first+j].oc_prob = 0;
first += j;
if(first >= LAST_GEM || first >= SIZE(objects) ||
objects[first].oc_olet != GEM_SYM ||
objects[first].oc_name == NULL)
printf("Not enough gems? - first=%d j=%d LAST_GEM=%d\n",
first, j, LAST_GEM);
for(j = first; j < LAST_GEM; j++)
objects[j].oc_prob = (20+j-first)/(LAST_GEM-first);
}
oinit() /* level dependent initialization */
{
setgemprobs();
}
extern long *alloc();
savenames(fd) register fd; {
register int i;
unsigned len;
bwrite(fd, (char *) bases, sizeof bases);
bwrite(fd, (char *) objects, sizeof objects);
/* as long as we use only one version of Hack/Quest we
need not save oc_name and oc_descr, but we must save
oc_uname for all objects */
for(i=0; i < SIZE(objects); i++) {
if(objects[i].oc_uname) {
len = strlen(objects[i].oc_uname)+1;
bwrite(fd, (char *) &len, sizeof len);
bwrite(fd, objects[i].oc_uname, len);
}
}
}
restnames(fd) register fd; {
register int i;
unsigned len;
mread(fd, (char *) bases, sizeof bases);
mread(fd, (char *) objects, sizeof objects);
for(i=0; i < SIZE(objects); i++) if(objects[i].oc_uname) {
mread(fd, (char *) &len, sizeof len);
objects[i].oc_uname = (char *) alloc(len);
mread(fd, objects[i].oc_uname, len);
}
}
dodiscovered() /* free after Robert Viduya */
{
extern char *typename();
register int i, end;
int ct = 0;
cornline(0, "Discoveries");
end = SIZE(objects);
for (i = 0; i < end; i++) {
if (interesting_to_discover (i)) {
ct++;
cornline(1, typename(i));
}
}
if (ct == 0) {
pline ("You haven't discovered anything yet...");
cornline(3, (char *) 0);
} else
cornline(2, (char *) 0);
return(0);
}
interesting_to_discover(i)
register int i;
{
return(
objects[i].oc_uname != NULL ||
(objects[i].oc_name_known && objects[i].oc_descr != NULL)
);
}
|
