1 |
< |
/* Copyright (c) 1986 Regents of the University of California */ |
1 |
> |
/* Copyright (c) 1992 Regents of the University of California */ |
2 |
|
|
3 |
|
#ifndef lint |
4 |
|
static char SCCSid[] = "$SunId$ LBL"; |
18 |
|
|
19 |
|
#include "otypes.h" |
20 |
|
|
21 |
< |
extern double atof(); |
22 |
< |
static double getflt(); |
23 |
< |
static long getint(); |
24 |
< |
static char *getstr(); |
21 |
> |
static double ogetflt(); |
22 |
> |
static long ogetint(); |
23 |
> |
static char *ogetstr(); |
24 |
> |
static int getobj(), octerror(); |
25 |
|
static OCTREE getfullnode(), gettree(); |
26 |
|
|
27 |
|
static char *infn; /* input file name */ |
28 |
|
static FILE *infp; /* input file stream */ |
29 |
+ |
static int objsize; /* size of stored OBJECT's */ |
30 |
|
static OBJECT objorig; /* zeroeth object */ |
31 |
|
static short otypmap[NUMOTYPE+8]; /* object type map */ |
32 |
|
|
38 |
|
CUBE *scene; |
39 |
|
char *ofn[]; |
40 |
|
{ |
41 |
< |
char sbuf[128]; |
41 |
> |
extern int fputs(); |
42 |
> |
char sbuf[512]; |
43 |
|
int nf; |
44 |
+ |
OBJECT fnobjects; |
45 |
|
register int i; |
46 |
+ |
long m; |
47 |
|
|
48 |
|
if (fname == NULL) { |
49 |
|
infn = "standard input"; |
56 |
|
error(SYSTEM, errmsg); |
57 |
|
} |
58 |
|
} |
59 |
+ |
#ifdef MSDOS |
60 |
+ |
setmode(fileno(infp), O_BINARY); |
61 |
+ |
#endif |
62 |
|
/* get header */ |
63 |
< |
if (load & IO_INFO) |
64 |
< |
copyheader(infp, stdout); |
58 |
< |
else |
59 |
< |
getheader(infp, NULL); |
63 |
> |
if (checkheader(infp, OCTFMT, load&IO_INFO ? stdout : NULL) < 0) |
64 |
> |
octerror(USER, "not an octree"); |
65 |
|
/* check format */ |
66 |
< |
if (getint(2) != OCTMAGIC) |
67 |
< |
octerror(USER, "invalid octree format"); |
66 |
> |
if ((objsize = ogetint(2)-OCTMAGIC) <= 0 || |
67 |
> |
objsize > MAXOBJSIZ || objsize > sizeof(long)) |
68 |
> |
octerror(USER, "incompatible octree format"); |
69 |
|
/* get boundaries */ |
70 |
|
if (load & IO_BOUNDS) { |
71 |
|
for (i = 0; i < 3; i++) |
72 |
< |
scene->cuorg[i] = atof(getstr(sbuf)); |
73 |
< |
scene->cusize = atof(getstr(sbuf)); |
72 |
> |
scene->cuorg[i] = atof(ogetstr(sbuf)); |
73 |
> |
scene->cusize = atof(ogetstr(sbuf)); |
74 |
|
} else { |
75 |
|
for (i = 0; i < 4; i++) |
76 |
< |
getstr(sbuf); |
76 |
> |
ogetstr(sbuf); |
77 |
|
} |
78 |
|
objorig = nobjects; /* set object offset */ |
79 |
|
nf = 0; /* get object files */ |
80 |
< |
while (*getstr(sbuf)) { |
80 |
> |
while (*ogetstr(sbuf)) { |
81 |
|
if (load & IO_SCENE) |
82 |
|
readobj(sbuf); |
83 |
|
if (load & IO_FILES) |
86 |
|
} |
87 |
|
if (load & IO_FILES) |
88 |
|
ofn[nf] = NULL; |
89 |
+ |
/* get number of objects */ |
90 |
+ |
fnobjects = m = ogetint(objsize); |
91 |
+ |
if (fnobjects != m) |
92 |
+ |
octerror(USER, "too many objects"); |
93 |
|
|
94 |
< |
if (load & IO_TREE) { |
85 |
< |
/* get the octree */ |
94 |
> |
if (load & IO_TREE) /* get the octree */ |
95 |
|
scene->cutree = gettree(); |
96 |
< |
/* get the scene */ |
97 |
< |
if (nf == 0 && load & IO_SCENE) { |
98 |
< |
for (i = 0; *getstr(sbuf); i++) |
99 |
< |
if ((otypmap[i] = otype(sbuf)) < 0) { |
100 |
< |
sprintf(errmsg, "unknown type \"%s\"", |
101 |
< |
sbuf); |
102 |
< |
octerror(WARNING, errmsg); |
103 |
< |
} |
104 |
< |
while (getobj() != OVOID) |
105 |
< |
; |
106 |
< |
} |
107 |
< |
} |
96 |
> |
else if (load & IO_SCENE && nf == 0) |
97 |
> |
skiptree(); |
98 |
> |
|
99 |
> |
if (load & IO_SCENE) /* get the scene */ |
100 |
> |
if (nf == 0) { |
101 |
> |
for (i = 0; *ogetstr(sbuf); i++) |
102 |
> |
if ((otypmap[i] = otype(sbuf)) < 0) { |
103 |
> |
sprintf(errmsg, "unknown type \"%s\"", sbuf); |
104 |
> |
octerror(WARNING, errmsg); |
105 |
> |
} |
106 |
> |
while (getobj() != OVOID) |
107 |
> |
; |
108 |
> |
} else { /* consistency checks */ |
109 |
> |
/* check object count */ |
110 |
> |
if (nobjects != objorig+fnobjects) |
111 |
> |
octerror(USER, "bad object count; octree stale?"); |
112 |
> |
/* check for non-surfaces */ |
113 |
> |
if (nonsurfinset(objorig, fnobjects)) |
114 |
> |
octerror(USER, "modifier in tree; octree stale?"); |
115 |
> |
} |
116 |
|
fclose(infp); |
117 |
|
return(nf); |
118 |
|
} |
119 |
|
|
120 |
|
|
121 |
|
static char * |
122 |
< |
getstr(s) /* get null-terminated string */ |
122 |
> |
ogetstr(s) /* get null-terminated string */ |
123 |
|
char *s; |
124 |
|
{ |
125 |
< |
register char *cp; |
109 |
< |
register int c; |
125 |
> |
extern char *getstr(); |
126 |
|
|
127 |
< |
cp = s; |
128 |
< |
while ((c = getc(infp)) != EOF) |
129 |
< |
if ((*cp++ = c) == '\0') |
114 |
< |
return(s); |
115 |
< |
|
116 |
< |
octerror(USER, "truncated octree"); |
127 |
> |
if (getstr(s, infp) == NULL) |
128 |
> |
octerror(USER, "truncated octree"); |
129 |
> |
return(s); |
130 |
|
} |
131 |
|
|
132 |
|
|
133 |
|
static OCTREE |
134 |
|
getfullnode() /* get a set, return fullnode */ |
135 |
|
{ |
136 |
< |
OBJECT set[MAXSET+1]; |
136 |
> |
OBJECT set[MAXSET+1]; |
137 |
|
register int i; |
138 |
+ |
register long m; |
139 |
|
|
140 |
< |
set[0] = getint(sizeof(OBJECT)); |
127 |
< |
if (set[0] > MAXSET) |
140 |
> |
if ((set[0] = ogetint(objsize)) > MAXSET) |
141 |
|
octerror(USER, "bad set in getfullnode"); |
142 |
< |
for (i = 1; i <= set[0]; i++) |
143 |
< |
set[i] = getint(sizeof(OBJECT)) + objorig; |
142 |
> |
for (i = 1; i <= set[0]; i++) { |
143 |
> |
m = ogetint(objsize) + objorig; |
144 |
> |
if ((set[i] = m) != m) |
145 |
> |
octerror(USER, "too many objects"); |
146 |
> |
} |
147 |
|
return(fullnode(set)); |
148 |
|
} |
149 |
|
|
150 |
|
|
151 |
|
static long |
152 |
< |
getint(siz) /* get a siz-byte integer */ |
153 |
< |
register int siz; |
152 |
> |
ogetint(siz) /* get a siz-byte integer */ |
153 |
> |
int siz; |
154 |
|
{ |
155 |
< |
register int c; |
155 |
> |
extern long getint(); |
156 |
|
register long r; |
157 |
|
|
158 |
< |
if ((c = getc(infp)) == EOF) |
159 |
< |
goto end_file; |
160 |
< |
r = 0x80&c ? -1<<8|c : c; /* sign extend */ |
145 |
< |
while (--siz > 0) { |
146 |
< |
if ((c = getc(infp)) == EOF) |
147 |
< |
goto end_file; |
148 |
< |
r <<= 8; |
149 |
< |
r |= c; |
150 |
< |
} |
158 |
> |
r = getint(siz, infp); |
159 |
> |
if (feof(infp)) |
160 |
> |
octerror(USER, "truncated octree"); |
161 |
|
return(r); |
152 |
– |
end_file: |
153 |
– |
octerror(USER, "truncated octree"); |
162 |
|
} |
163 |
|
|
164 |
|
|
165 |
|
static double |
166 |
< |
getflt() /* get a floating point number */ |
166 |
> |
ogetflt() /* get a floating point number */ |
167 |
|
{ |
168 |
< |
extern double ldexp(); |
169 |
< |
double d; |
168 |
> |
extern double getflt(); |
169 |
> |
double r; |
170 |
|
|
171 |
< |
d = (double)getint(4)/0x7fffffff; |
172 |
< |
return(ldexp(d, getint(1))); |
171 |
> |
r = getflt(infp); |
172 |
> |
if (feof(infp)) |
173 |
> |
octerror(USER, "truncated octree"); |
174 |
> |
return(r); |
175 |
|
} |
176 |
|
|
177 |
|
|
178 |
|
static OCTREE |
179 |
|
gettree() /* get a pre-ordered octree */ |
180 |
|
{ |
181 |
< |
register OCTREE ot; |
181 |
> |
register OCTREE ot; |
182 |
|
register int i; |
183 |
|
|
184 |
|
switch (getc(infp)) { |
201 |
|
|
202 |
|
|
203 |
|
static |
204 |
+ |
skiptree() /* skip octree on input */ |
205 |
+ |
{ |
206 |
+ |
register int i; |
207 |
+ |
|
208 |
+ |
switch (getc(infp)) { |
209 |
+ |
case OT_EMPTY: |
210 |
+ |
return; |
211 |
+ |
case OT_FULL: |
212 |
+ |
for (i = ogetint(objsize)*objsize; i-- > 0; ) |
213 |
+ |
if (getc(infp) == EOF) |
214 |
+ |
octerror(USER, "truncated octree"); |
215 |
+ |
return; |
216 |
+ |
case OT_TREE: |
217 |
+ |
for (i = 0; i < 8; i++) |
218 |
+ |
skiptree(); |
219 |
+ |
return; |
220 |
+ |
case EOF: |
221 |
+ |
octerror(USER, "truncated octree"); |
222 |
+ |
default: |
223 |
+ |
octerror(USER, "damaged octree"); |
224 |
+ |
} |
225 |
+ |
} |
226 |
+ |
|
227 |
+ |
|
228 |
+ |
static |
229 |
|
getobj() /* get next object */ |
230 |
|
{ |
231 |
|
char sbuf[MAXSTR]; |
232 |
|
int obj; |
233 |
|
register int i; |
234 |
< |
register OBJREC *objp; |
234 |
> |
register long m; |
235 |
> |
register OBJREC *objp; |
236 |
|
|
237 |
< |
i = getint(1); |
237 |
> |
i = ogetint(1); |
238 |
|
if (i == -1) |
239 |
|
return(OVOID); /* terminator */ |
240 |
|
if ((obj = newobject()) == OVOID) |
242 |
|
objp = objptr(obj); |
243 |
|
if ((objp->otype = otypmap[i]) < 0) |
244 |
|
octerror(USER, "reference to unknown type"); |
245 |
< |
if ((objp->omod = getint(sizeof(OBJECT))) != OVOID) |
246 |
< |
objp->omod += objorig; |
247 |
< |
objp->oname = savqstr(getstr(sbuf)); |
248 |
< |
if (objp->oargs.nsargs = getint(2)) { |
245 |
> |
if ((m = ogetint(objsize)) != OVOID) { |
246 |
> |
m += objorig; |
247 |
> |
if ((OBJECT)m != m) |
248 |
> |
octerror(USER, "too many objects"); |
249 |
> |
} |
250 |
> |
objp->omod = m; |
251 |
> |
objp->oname = savqstr(ogetstr(sbuf)); |
252 |
> |
if (objp->oargs.nsargs = ogetint(2)) { |
253 |
|
objp->oargs.sarg = (char **)bmalloc |
254 |
|
(objp->oargs.nsargs*sizeof(char *)); |
255 |
|
if (objp->oargs.sarg == NULL) |
256 |
|
goto memerr; |
257 |
|
for (i = 0; i < objp->oargs.nsargs; i++) |
258 |
< |
objp->oargs.sarg[i] = savestr(getstr(sbuf)); |
258 |
> |
objp->oargs.sarg[i] = savestr(ogetstr(sbuf)); |
259 |
|
} else |
260 |
|
objp->oargs.sarg = NULL; |
261 |
< |
#ifdef IARGS |
262 |
< |
if (objp->oargs.niargs = getint(2)) { |
261 |
> |
#ifdef IARGS |
262 |
> |
if (objp->oargs.niargs = ogetint(2)) { |
263 |
|
objp->oargs.iarg = (long *)bmalloc |
264 |
|
(objp->oargs.niargs*sizeof(long)); |
265 |
|
if (objp->oargs.iarg == NULL) |
266 |
|
goto memerr; |
267 |
|
for (i = 0; i < objp->oargs.niargs; i++) |
268 |
< |
objp->oargs.iarg[i] = getint(4); |
268 |
> |
objp->oargs.iarg[i] = ogetint(4); |
269 |
|
} else |
270 |
|
objp->oargs.iarg = NULL; |
271 |
|
#endif |
272 |
< |
if (objp->oargs.nfargs = getint(2)) { |
273 |
< |
objp->oargs.farg = (double *)bmalloc |
274 |
< |
(objp->oargs.nfargs*sizeof(double)); |
272 |
> |
if (objp->oargs.nfargs = ogetint(2)) { |
273 |
> |
objp->oargs.farg = (FLOAT *)bmalloc |
274 |
> |
(objp->oargs.nfargs*sizeof(FLOAT)); |
275 |
|
if (objp->oargs.farg == NULL) |
276 |
|
goto memerr; |
277 |
|
for (i = 0; i < objp->oargs.nfargs; i++) |
278 |
< |
objp->oargs.farg[i] = getflt(); |
278 |
> |
objp->oargs.farg[i] = ogetflt(); |
279 |
|
} else |
280 |
|
objp->oargs.farg = NULL; |
281 |
|
/* initialize */ |
282 |
|
objp->os = NULL; |
243 |
– |
objp->lastrno = -1; |
283 |
|
/* insert */ |
284 |
|
insertobject(obj); |
285 |
|
return(obj); |