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
|
/* $NetBSD: hack.o_init.c,v 1.5 1997/10/19 16:58:37 christos Exp $ */
/*
* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
*/
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: hack.o_init.c,v 1.5 1997/10/19 16:58:37 christos Exp $");
#endif /* not lint */
#include <string.h>
#include "hack.h"
#include "extern.h"
#include "def.objects.h"
#include "hack.onames.h" /* for LAST_GEM */
int
letindex(let)
char let;
{
int i = 0;
char ch;
while ((ch = obj_symbols[i++]) != 0)
if (ch == let)
return (i);
return (0);
}
void
init_objects()
{
int i, j, first, last, sum, end;
char let;
const char *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;
}
}
int
probtype(let)
char let;
{
int i = bases[letindex(let)];
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);
}
void
setgemprobs()
{
int j, first;
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);
}
void
oinit()
{ /* level dependent initialization */
setgemprobs();
}
void
savenames(fd)
int fd;
{
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);
}
}
}
void
restnames(fd)
int fd;
{
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);
}
}
int
dodiscovered()
{ /* free after Robert Viduya */
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);
}
int
interesting_to_discover(i)
int i;
{
return (
objects[i].oc_uname != NULL ||
(objects[i].oc_name_known && objects[i].oc_descr != NULL)
);
}
|
