1 |
– |
/* Copyright (c) 1986 Regents of the University of California */ |
2 |
– |
|
1 |
|
#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
|
#endif |
6 |
– |
|
4 |
|
/* |
5 |
|
* readoct.c - routines to read octree information. |
6 |
+ |
*/ |
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|
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+ |
/* ==================================================================== |
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+ |
* The Radiance Software License, Version 1.0 |
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|
* |
11 |
< |
* 7/30/85 |
11 |
> |
* Copyright (c) 1990 - 2002 The Regents of the University of California, |
12 |
> |
* through Lawrence Berkeley National Laboratory. All rights reserved. |
13 |
> |
* |
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> |
* Redistribution and use in source and binary forms, with or without |
15 |
> |
* modification, are permitted provided that the following conditions |
16 |
> |
* are met: |
17 |
> |
* |
18 |
> |
* 1. Redistributions of source code must retain the above copyright |
19 |
> |
* notice, this list of conditions and the following disclaimer. |
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> |
* |
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> |
* 2. Redistributions in binary form must reproduce the above copyright |
22 |
> |
* notice, this list of conditions and the following disclaimer in |
23 |
> |
* the documentation and/or other materials provided with the |
24 |
> |
* distribution. |
25 |
> |
* |
26 |
> |
* 3. The end-user documentation included with the redistribution, |
27 |
> |
* if any, must include the following acknowledgment: |
28 |
> |
* "This product includes Radiance software |
29 |
> |
* (http://radsite.lbl.gov/) |
30 |
> |
* developed by the Lawrence Berkeley National Laboratory |
31 |
> |
* (http://www.lbl.gov/)." |
32 |
> |
* Alternately, this acknowledgment may appear in the software itself, |
33 |
> |
* if and wherever such third-party acknowledgments normally appear. |
34 |
> |
* |
35 |
> |
* 4. The names "Radiance," "Lawrence Berkeley National Laboratory" |
36 |
> |
* and "The Regents of the University of California" must |
37 |
> |
* not be used to endorse or promote products derived from this |
38 |
> |
* software without prior written permission. For written |
39 |
> |
* permission, please contact [email protected]. |
40 |
> |
* |
41 |
> |
* 5. Products derived from this software may not be called "Radiance", |
42 |
> |
* nor may "Radiance" appear in their name, without prior written |
43 |
> |
* permission of Lawrence Berkeley National Laboratory. |
44 |
> |
* |
45 |
> |
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
46 |
> |
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
47 |
> |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
48 |
> |
* DISCLAIMED. IN NO EVENT SHALL Lawrence Berkeley National Laboratory OR |
49 |
> |
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
50 |
> |
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
51 |
> |
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
52 |
> |
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
53 |
> |
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
54 |
> |
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
55 |
> |
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
56 |
> |
* SUCH DAMAGE. |
57 |
> |
* ==================================================================== |
58 |
> |
* |
59 |
> |
* This software consists of voluntary contributions made by many |
60 |
> |
* individuals on behalf of Lawrence Berkeley National Laboratory. For more |
61 |
> |
* information on Lawrence Berkeley National Laboratory, please see |
62 |
> |
* <http://www.lbl.gov/>. |
63 |
|
*/ |
64 |
|
|
65 |
|
#include "standard.h" |
70 |
|
|
71 |
|
#include "otypes.h" |
72 |
|
|
73 |
< |
extern double atof(); |
74 |
< |
static double getflt(); |
75 |
< |
static long getint(); |
76 |
< |
static char *getstr(); |
73 |
> |
static double ogetflt(); |
74 |
> |
static long ogetint(); |
75 |
> |
static char *ogetstr(); |
76 |
> |
static int nonsurfinset(); |
77 |
> |
static int getobj(), octerror(), skiptree(); |
78 |
|
static OCTREE getfullnode(), gettree(); |
79 |
|
|
80 |
< |
static char *infn; /* input file name */ |
80 |
> |
static char *infn; /* input file specification */ |
81 |
|
static FILE *infp; /* input file stream */ |
82 |
+ |
static int objsize; /* size of stored OBJECT's */ |
83 |
|
static OBJECT objorig; /* zeroeth object */ |
84 |
+ |
static OBJECT fnobjects; /* number of objects in this file */ |
85 |
|
static short otypmap[NUMOTYPE+8]; /* object type map */ |
86 |
|
|
87 |
|
|
88 |
|
int |
89 |
< |
readoct(fname, load, scene, ofn) /* read in octree from file */ |
90 |
< |
char *fname; |
89 |
> |
readoct(inpspec, load, scene, ofn) /* read in octree file or stream */ |
90 |
> |
char *inpspec; |
91 |
|
int load; |
92 |
|
CUBE *scene; |
93 |
|
char *ofn[]; |
94 |
|
{ |
95 |
|
char sbuf[512]; |
96 |
|
int nf; |
42 |
– |
OBJECT fnobjects; |
97 |
|
register int i; |
98 |
+ |
long m; |
99 |
|
|
100 |
< |
if (fname == NULL) { |
100 |
> |
if (inpspec == NULL) { |
101 |
|
infn = "standard input"; |
102 |
|
infp = stdin; |
103 |
+ |
} else if (inpspec[0] == '!') { |
104 |
+ |
infn = inpspec; |
105 |
+ |
if ((infp = popen(inpspec+1, "r")) == NULL) { |
106 |
+ |
sprintf(errmsg, "cannot execute \"%s\"", inpspec); |
107 |
+ |
error(SYSTEM, errmsg); |
108 |
+ |
} |
109 |
|
} else { |
110 |
< |
infn = fname; |
111 |
< |
if ((infp = fopen(fname, "r")) == NULL) { |
110 |
> |
infn = inpspec; |
111 |
> |
if ((infp = fopen(inpspec, "r")) == NULL) { |
112 |
|
sprintf(errmsg, "cannot open octree file \"%s\"", |
113 |
< |
fname); |
113 |
> |
inpspec); |
114 |
|
error(SYSTEM, errmsg); |
115 |
|
} |
116 |
|
} |
117 |
+ |
#ifdef MSDOS |
118 |
+ |
setmode(fileno(infp), O_BINARY); |
119 |
+ |
#endif |
120 |
|
/* get header */ |
121 |
< |
if (load & IO_INFO) |
122 |
< |
copyheader(infp, stdout); |
59 |
< |
else |
60 |
< |
getheader(infp, NULL); |
121 |
> |
if (checkheader(infp, OCTFMT, load&IO_INFO ? stdout : (FILE *)NULL) < 0) |
122 |
> |
octerror(USER, "not an octree"); |
123 |
|
/* check format */ |
124 |
< |
if (getint(2) != OCTMAGIC) |
125 |
< |
octerror(USER, "invalid octree format"); |
124 |
> |
if ((objsize = ogetint(2)-OCTMAGIC) <= 0 || |
125 |
> |
objsize > MAXOBJSIZ || objsize > sizeof(long)) |
126 |
> |
octerror(USER, "incompatible octree format"); |
127 |
|
/* get boundaries */ |
128 |
|
if (load & IO_BOUNDS) { |
129 |
|
for (i = 0; i < 3; i++) |
130 |
< |
scene->cuorg[i] = atof(getstr(sbuf)); |
131 |
< |
scene->cusize = atof(getstr(sbuf)); |
130 |
> |
scene->cuorg[i] = atof(ogetstr(sbuf)); |
131 |
> |
scene->cusize = atof(ogetstr(sbuf)); |
132 |
|
} else { |
133 |
|
for (i = 0; i < 4; i++) |
134 |
< |
getstr(sbuf); |
134 |
> |
ogetstr(sbuf); |
135 |
|
} |
136 |
|
objorig = nobjects; /* set object offset */ |
137 |
|
nf = 0; /* get object files */ |
138 |
< |
while (*getstr(sbuf)) { |
138 |
> |
while (*ogetstr(sbuf)) { |
139 |
|
if (load & IO_SCENE) |
140 |
|
readobj(sbuf); |
141 |
|
if (load & IO_FILES) |
145 |
|
if (load & IO_FILES) |
146 |
|
ofn[nf] = NULL; |
147 |
|
/* get number of objects */ |
148 |
< |
fnobjects = getint(sizeof(OBJECT)); |
148 |
> |
fnobjects = m = ogetint(objsize); |
149 |
> |
if (fnobjects != m) |
150 |
> |
octerror(USER, "too many objects"); |
151 |
|
|
152 |
< |
if (load & IO_TREE) { |
88 |
< |
/* get the octree */ |
152 |
> |
if (load & IO_TREE) /* get the octree */ |
153 |
|
scene->cutree = gettree(); |
154 |
< |
/* get the scene */ |
155 |
< |
if (nf == 0 && load & IO_SCENE) { |
156 |
< |
for (i = 0; *getstr(sbuf); i++) |
157 |
< |
if ((otypmap[i] = otype(sbuf)) < 0) { |
158 |
< |
sprintf(errmsg, "unknown type \"%s\"", |
159 |
< |
sbuf); |
160 |
< |
octerror(WARNING, errmsg); |
161 |
< |
} |
162 |
< |
while (getobj() != OVOID) |
163 |
< |
; |
164 |
< |
} |
165 |
< |
} |
166 |
< |
fclose(infp); |
167 |
< |
/* consistency checks */ |
104 |
< |
if (load & IO_SCENE) { |
105 |
< |
/* check object count */ |
154 |
> |
else if (load & IO_SCENE && nf == 0) |
155 |
> |
skiptree(); |
156 |
> |
|
157 |
> |
if (load & IO_SCENE) /* get the scene */ |
158 |
> |
if (nf == 0) { |
159 |
> |
for (i = 0; *ogetstr(sbuf); i++) |
160 |
> |
if ((otypmap[i] = otype(sbuf)) < 0) { |
161 |
> |
sprintf(errmsg, "unknown type \"%s\"", sbuf); |
162 |
> |
octerror(WARNING, errmsg); |
163 |
> |
} |
164 |
> |
while (getobj() != OVOID) |
165 |
> |
; |
166 |
> |
} else { /* consistency checks */ |
167 |
> |
/* check object count */ |
168 |
|
if (nobjects != objorig+fnobjects) |
169 |
|
octerror(USER, "bad object count; octree stale?"); |
170 |
< |
/* check for non-surfaces */ |
171 |
< |
if (nonsurfinset(objorig, fnobjects)) |
172 |
< |
octerror(USER, "non-surface in set; octree stale?"); |
173 |
< |
} |
170 |
> |
/* check for non-surfaces */ |
171 |
> |
if (dosets(nonsurfinset)) |
172 |
> |
octerror(USER, "modifier in tree; octree stale?"); |
173 |
> |
} |
174 |
> |
/* close the input */ |
175 |
> |
if (infn[0] == '!') |
176 |
> |
pclose(infp); |
177 |
> |
else |
178 |
> |
fclose(infp); |
179 |
|
return(nf); |
180 |
|
} |
181 |
|
|
182 |
|
|
183 |
|
static char * |
184 |
< |
getstr(s) /* get null-terminated string */ |
184 |
> |
ogetstr(s) /* get null-terminated string */ |
185 |
|
char *s; |
186 |
|
{ |
187 |
< |
register char *cp; |
121 |
< |
register int c; |
187 |
> |
extern char *getstr(); |
188 |
|
|
189 |
< |
cp = s; |
190 |
< |
while ((c = getc(infp)) != EOF) |
191 |
< |
if ((*cp++ = c) == '\0') |
126 |
< |
return(s); |
127 |
< |
|
128 |
< |
octerror(USER, "truncated octree"); |
189 |
> |
if (getstr(s, infp) == NULL) |
190 |
> |
octerror(USER, "truncated octree"); |
191 |
> |
return(s); |
192 |
|
} |
193 |
|
|
194 |
|
|
195 |
|
static OCTREE |
196 |
|
getfullnode() /* get a set, return fullnode */ |
197 |
|
{ |
198 |
< |
OBJECT set[MAXSET+1]; |
198 |
> |
OBJECT set[MAXSET+1]; |
199 |
|
register int i; |
200 |
+ |
register long m; |
201 |
|
|
202 |
< |
set[0] = getint(sizeof(OBJECT)); |
139 |
< |
if (set[0] > MAXSET) |
202 |
> |
if ((set[0] = ogetint(objsize)) > MAXSET) |
203 |
|
octerror(USER, "bad set in getfullnode"); |
204 |
< |
for (i = 1; i <= set[0]; i++) |
205 |
< |
set[i] = getint(sizeof(OBJECT)) + objorig; |
204 |
> |
for (i = 1; i <= set[0]; i++) { |
205 |
> |
m = ogetint(objsize) + objorig; |
206 |
> |
if ((set[i] = m) != m) |
207 |
> |
octerror(USER, "too many objects"); |
208 |
> |
} |
209 |
|
return(fullnode(set)); |
210 |
|
} |
211 |
|
|
212 |
|
|
213 |
|
static long |
214 |
< |
getint(siz) /* get a siz-byte integer */ |
215 |
< |
register int siz; |
214 |
> |
ogetint(siz) /* get a siz-byte integer */ |
215 |
> |
int siz; |
216 |
|
{ |
217 |
< |
register int c; |
217 |
> |
extern long getint(); |
218 |
|
register long r; |
219 |
|
|
220 |
< |
if ((c = getc(infp)) == EOF) |
221 |
< |
goto end_file; |
222 |
< |
r = 0x80&c ? -1<<8|c : c; /* sign extend */ |
157 |
< |
while (--siz > 0) { |
158 |
< |
if ((c = getc(infp)) == EOF) |
159 |
< |
goto end_file; |
160 |
< |
r <<= 8; |
161 |
< |
r |= c; |
162 |
< |
} |
220 |
> |
r = getint(siz, infp); |
221 |
> |
if (feof(infp)) |
222 |
> |
octerror(USER, "truncated octree"); |
223 |
|
return(r); |
164 |
– |
end_file: |
165 |
– |
octerror(USER, "truncated octree"); |
224 |
|
} |
225 |
|
|
226 |
|
|
227 |
|
static double |
228 |
< |
getflt() /* get a floating point number */ |
228 |
> |
ogetflt() /* get a floating point number */ |
229 |
|
{ |
230 |
< |
extern double ldexp(); |
231 |
< |
double d; |
230 |
> |
extern double getflt(); |
231 |
> |
double r; |
232 |
|
|
233 |
< |
d = (double)getint(4)/0x7fffffff; |
234 |
< |
return(ldexp(d, (int)getint(1))); |
233 |
> |
r = getflt(infp); |
234 |
> |
if (feof(infp)) |
235 |
> |
octerror(USER, "truncated octree"); |
236 |
> |
return(r); |
237 |
|
} |
238 |
|
|
239 |
|
|
240 |
|
static OCTREE |
241 |
|
gettree() /* get a pre-ordered octree */ |
242 |
|
{ |
243 |
< |
register OCTREE ot; |
243 |
> |
register OCTREE ot; |
244 |
|
register int i; |
245 |
|
|
246 |
|
switch (getc(infp)) { |
262 |
|
} |
263 |
|
|
264 |
|
|
265 |
+ |
static int |
266 |
+ |
nonsurfinset(os) /* check set for modifier */ |
267 |
+ |
register OBJECT *os; |
268 |
+ |
{ |
269 |
+ |
register OBJECT s; |
270 |
+ |
register int i; |
271 |
+ |
|
272 |
+ |
for (i = *os; i-- > 0; ) |
273 |
+ |
if ((s = *++os) >= objorig && s < objorig+fnobjects && |
274 |
+ |
ismodifier(objptr(s)->otype)) |
275 |
+ |
return(1); |
276 |
+ |
return(0); |
277 |
+ |
} |
278 |
+ |
|
279 |
+ |
|
280 |
|
static |
281 |
+ |
skiptree() /* skip octree on input */ |
282 |
+ |
{ |
283 |
+ |
register int i; |
284 |
+ |
|
285 |
+ |
switch (getc(infp)) { |
286 |
+ |
case OT_EMPTY: |
287 |
+ |
return; |
288 |
+ |
case OT_FULL: |
289 |
+ |
for (i = ogetint(objsize)*objsize; i-- > 0; ) |
290 |
+ |
if (getc(infp) == EOF) |
291 |
+ |
octerror(USER, "truncated octree"); |
292 |
+ |
return; |
293 |
+ |
case OT_TREE: |
294 |
+ |
for (i = 0; i < 8; i++) |
295 |
+ |
skiptree(); |
296 |
+ |
return; |
297 |
+ |
case EOF: |
298 |
+ |
octerror(USER, "truncated octree"); |
299 |
+ |
default: |
300 |
+ |
octerror(USER, "damaged octree"); |
301 |
+ |
} |
302 |
+ |
} |
303 |
+ |
|
304 |
+ |
|
305 |
+ |
static |
306 |
|
getobj() /* get next object */ |
307 |
|
{ |
308 |
|
char sbuf[MAXSTR]; |
309 |
|
int obj; |
310 |
|
register int i; |
311 |
< |
register OBJREC *objp; |
311 |
> |
register long m; |
312 |
> |
register OBJREC *objp; |
313 |
|
|
314 |
< |
i = getint(1); |
314 |
> |
i = ogetint(1); |
315 |
|
if (i == -1) |
316 |
|
return(OVOID); /* terminator */ |
317 |
|
if ((obj = newobject()) == OVOID) |
319 |
|
objp = objptr(obj); |
320 |
|
if ((objp->otype = otypmap[i]) < 0) |
321 |
|
octerror(USER, "reference to unknown type"); |
322 |
< |
if ((objp->omod = getint(sizeof(OBJECT))) != OVOID) |
323 |
< |
objp->omod += objorig; |
324 |
< |
objp->oname = savqstr(getstr(sbuf)); |
325 |
< |
if (objp->oargs.nsargs = getint(2)) { |
326 |
< |
objp->oargs.sarg = (char **)bmalloc |
322 |
> |
if ((m = ogetint(objsize)) != OVOID) { |
323 |
> |
m += objorig; |
324 |
> |
if ((OBJECT)m != m) |
325 |
> |
octerror(USER, "too many objects"); |
326 |
> |
} |
327 |
> |
objp->omod = m; |
328 |
> |
objp->oname = savqstr(ogetstr(sbuf)); |
329 |
> |
if (objp->oargs.nsargs = ogetint(2)) { |
330 |
> |
objp->oargs.sarg = (char **)malloc |
331 |
|
(objp->oargs.nsargs*sizeof(char *)); |
332 |
|
if (objp->oargs.sarg == NULL) |
333 |
|
goto memerr; |
334 |
|
for (i = 0; i < objp->oargs.nsargs; i++) |
335 |
< |
objp->oargs.sarg[i] = savestr(getstr(sbuf)); |
335 |
> |
objp->oargs.sarg[i] = savestr(ogetstr(sbuf)); |
336 |
|
} else |
337 |
|
objp->oargs.sarg = NULL; |
338 |
< |
#ifdef IARGS |
339 |
< |
if (objp->oargs.niargs = getint(2)) { |
340 |
< |
objp->oargs.iarg = (long *)bmalloc |
338 |
> |
#ifdef IARGS |
339 |
> |
if (objp->oargs.niargs = ogetint(2)) { |
340 |
> |
objp->oargs.iarg = (long *)malloc |
341 |
|
(objp->oargs.niargs*sizeof(long)); |
342 |
|
if (objp->oargs.iarg == NULL) |
343 |
|
goto memerr; |
344 |
|
for (i = 0; i < objp->oargs.niargs; i++) |
345 |
< |
objp->oargs.iarg[i] = getint(4); |
345 |
> |
objp->oargs.iarg[i] = ogetint(4); |
346 |
|
} else |
347 |
|
objp->oargs.iarg = NULL; |
348 |
|
#endif |
349 |
< |
if (objp->oargs.nfargs = getint(2)) { |
350 |
< |
objp->oargs.farg = (double *)bmalloc |
351 |
< |
(objp->oargs.nfargs*sizeof(double)); |
349 |
> |
if (objp->oargs.nfargs = ogetint(2)) { |
350 |
> |
objp->oargs.farg = (FLOAT *)malloc |
351 |
> |
(objp->oargs.nfargs*sizeof(FLOAT)); |
352 |
|
if (objp->oargs.farg == NULL) |
353 |
|
goto memerr; |
354 |
|
for (i = 0; i < objp->oargs.nfargs; i++) |
355 |
< |
objp->oargs.farg[i] = getflt(); |
355 |
> |
objp->oargs.farg[i] = ogetflt(); |
356 |
|
} else |
357 |
|
objp->oargs.farg = NULL; |
358 |
|
/* initialize */ |
359 |
|
objp->os = NULL; |
255 |
– |
objp->lastrno = -1; |
360 |
|
/* insert */ |
361 |
|
insertobject(obj); |
362 |
|
return(obj); |