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
|
/* $OpenBSD: hack.o_init.c,v 1.2 2001/01/28 23:41:44 niklas Exp $ */
/*
* Copyright (c) Stichting Mathematisch Centrum, Amsterdam, 1985.
*/
#ifndef lint
static char rcsid[] = "$OpenBSD: hack.o_init.c,v 1.2 2001/01/28 23:41:44 niklas 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)
);
}
|
