5 |
|
* readoct.c - routines to read octree information. |
6 |
|
*/ |
7 |
|
|
8 |
< |
/* ==================================================================== |
9 |
< |
* The Radiance Software License, Version 1.0 |
10 |
< |
* |
11 |
< |
* Copyright (c) 1990 - 2002 The Regents of the University of California, |
12 |
< |
* through Lawrence Berkeley National Laboratory. All rights reserved. |
13 |
< |
* |
14 |
< |
* 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. |
20 |
< |
* |
21 |
< |
* 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 |
< |
*/ |
8 |
> |
#include "copyright.h" |
9 |
|
|
10 |
< |
#include "standard.h" |
10 |
> |
#include <stdio.h> |
11 |
> |
#include <time.h> |
12 |
|
|
13 |
+ |
#include "platform.h" |
14 |
+ |
#include "standard.h" |
15 |
|
#include "octree.h" |
68 |
– |
|
16 |
|
#include "object.h" |
70 |
– |
|
17 |
|
#include "otypes.h" |
18 |
+ |
#include "resolu.h" |
19 |
|
|
20 |
< |
static double ogetflt(); |
21 |
< |
static long ogetint(); |
22 |
< |
static char *ogetstr(); |
23 |
< |
static int nonsurfinset(); |
24 |
< |
static int getobj(), octerror(), skiptree(); |
25 |
< |
static OCTREE getfullnode(), gettree(); |
20 |
> |
static double ogetflt(void); |
21 |
> |
static long ogetint(int); |
22 |
> |
static char *ogetstr(char *); |
23 |
> |
static int nonsurfintree(OCTREE ot); |
24 |
> |
static void octerror(int etyp, char *msg); |
25 |
> |
static void skiptree(void); |
26 |
> |
static OCTREE getfullnode(void), gettree(void); |
27 |
|
|
28 |
|
static char *infn; /* input file specification */ |
29 |
|
static FILE *infp; /* input file stream */ |
30 |
|
static int objsize; /* size of stored OBJECT's */ |
31 |
|
static OBJECT objorig; /* zeroeth object */ |
32 |
|
static OBJECT fnobjects; /* number of objects in this file */ |
85 |
– |
static short otypmap[NUMOTYPE+8]; /* object type map */ |
33 |
|
|
34 |
|
|
35 |
|
int |
36 |
< |
readoct(inpspec, load, scene, ofn) /* read in octree file or stream */ |
37 |
< |
char *inpspec; |
38 |
< |
int load; |
39 |
< |
CUBE *scene; |
40 |
< |
char *ofn[]; |
36 |
> |
readoct( /* read in octree file or stream */ |
37 |
> |
char *inpspec, |
38 |
> |
int load, |
39 |
> |
CUBE *scene, |
40 |
> |
char *ofn[] |
41 |
> |
) |
42 |
|
{ |
43 |
+ |
time_t oct_t = 0; |
44 |
+ |
time_t last_it = 0; |
45 |
|
char sbuf[512]; |
46 |
|
int nf; |
47 |
< |
register int i; |
47 |
> |
int i; |
48 |
|
long m; |
49 |
|
|
50 |
|
if (inpspec == NULL) { |
63 |
|
inpspec); |
64 |
|
error(SYSTEM, errmsg); |
65 |
|
} |
66 |
+ |
oct_t = fddate(fileno(infp)); |
67 |
|
} |
68 |
< |
#ifdef MSDOS |
69 |
< |
setmode(fileno(infp), O_BINARY); |
68 |
> |
#ifdef getc_unlocked /* avoid stupid semaphores */ |
69 |
> |
flockfile(infp); |
70 |
|
#endif |
71 |
+ |
SET_FILE_BINARY(infp); |
72 |
|
/* get header */ |
73 |
|
if (checkheader(infp, OCTFMT, load&IO_INFO ? stdout : (FILE *)NULL) < 0) |
74 |
|
octerror(USER, "not an octree"); |
92 |
|
readobj(sbuf); |
93 |
|
if (load & IO_FILES) |
94 |
|
ofn[nf] = savqstr(sbuf); |
95 |
+ |
if (oct_t > last_it) { |
96 |
+ |
time_t t = fdate(sbuf); |
97 |
+ |
if (t > last_it) |
98 |
+ |
last_it = t; |
99 |
+ |
} |
100 |
|
nf++; |
101 |
|
} |
102 |
|
if (load & IO_FILES) |
111 |
|
else if (load & IO_SCENE && nf == 0) |
112 |
|
skiptree(); |
113 |
|
|
114 |
< |
if (load & IO_SCENE) /* get the scene */ |
114 |
> |
if (load & IO_SCENE) { /* get the scene */ |
115 |
|
if (nf == 0) { |
116 |
< |
for (i = 0; *ogetstr(sbuf); i++) |
117 |
< |
if ((otypmap[i] = otype(sbuf)) < 0) { |
118 |
< |
sprintf(errmsg, "unknown type \"%s\"", sbuf); |
162 |
< |
octerror(WARNING, errmsg); |
163 |
< |
} |
164 |
< |
while (getobj() != OVOID) |
165 |
< |
; |
116 |
> |
/* load binary scene data */ |
117 |
> |
readscene(infp, objsize); |
118 |
> |
|
119 |
|
} else { /* consistency checks */ |
120 |
|
/* check object count */ |
121 |
|
if (nobjects != objorig+fnobjects) |
122 |
|
octerror(USER, "bad object count; octree stale?"); |
123 |
|
/* check for non-surfaces */ |
124 |
< |
if (dosets(nonsurfinset)) |
124 |
> |
if (oct_t <= last_it && nonsurfintree(scene->cutree)) |
125 |
|
octerror(USER, "modifier in tree; octree stale?"); |
126 |
|
} |
127 |
+ |
} |
128 |
|
/* close the input */ |
129 |
< |
if (infn[0] == '!') |
130 |
< |
pclose(infp); |
131 |
< |
else |
129 |
> |
if (inpspec[0] == '!') { |
130 |
> |
if (pclose(infp) != 0) { |
131 |
> |
sprintf(errmsg, "bad status from \"%s\"", inpspec); |
132 |
> |
error(WARNING, errmsg); |
133 |
> |
} |
134 |
> |
} else if (infp != stdin) |
135 |
|
fclose(infp); |
136 |
+ |
#ifdef getc_unlocked |
137 |
+ |
else |
138 |
+ |
funlockfile(infp); |
139 |
+ |
#endif |
140 |
|
return(nf); |
141 |
|
} |
142 |
|
|
143 |
|
|
144 |
|
static char * |
145 |
< |
ogetstr(s) /* get null-terminated string */ |
185 |
< |
char *s; |
145 |
> |
ogetstr(char *s) /* get null-terminated string */ |
146 |
|
{ |
187 |
– |
extern char *getstr(); |
188 |
– |
|
147 |
|
if (getstr(s, infp) == NULL) |
148 |
|
octerror(USER, "truncated octree"); |
149 |
|
return(s); |
154 |
|
getfullnode() /* get a set, return fullnode */ |
155 |
|
{ |
156 |
|
OBJECT set[MAXSET+1]; |
157 |
< |
register int i; |
158 |
< |
register long m; |
157 |
> |
int i; |
158 |
> |
long m; |
159 |
|
|
160 |
|
if ((set[0] = ogetint(objsize)) > MAXSET) |
161 |
|
octerror(USER, "bad set in getfullnode"); |
169 |
|
|
170 |
|
|
171 |
|
static long |
172 |
< |
ogetint(siz) /* get a siz-byte integer */ |
215 |
< |
int siz; |
172 |
> |
ogetint(int siz) /* get a siz-byte integer */ |
173 |
|
{ |
174 |
< |
extern long getint(); |
218 |
< |
register long r; |
174 |
> |
long r; |
175 |
|
|
176 |
|
r = getint(siz, infp); |
177 |
|
if (feof(infp)) |
183 |
|
static double |
184 |
|
ogetflt() /* get a floating point number */ |
185 |
|
{ |
230 |
– |
extern double getflt(); |
186 |
|
double r; |
187 |
|
|
188 |
|
r = getflt(infp); |
195 |
|
static OCTREE |
196 |
|
gettree() /* get a pre-ordered octree */ |
197 |
|
{ |
198 |
< |
register OCTREE ot; |
199 |
< |
register int i; |
198 |
> |
OCTREE ot; |
199 |
> |
int i; |
200 |
|
|
201 |
|
switch (getc(infp)) { |
202 |
|
case OT_EMPTY: |
214 |
|
default: |
215 |
|
octerror(USER, "damaged octree"); |
216 |
|
} |
217 |
+ |
return EMPTY; /* pro forma return */ |
218 |
|
} |
219 |
|
|
220 |
|
|
221 |
|
static int |
222 |
< |
nonsurfinset(os) /* check set for modifier */ |
267 |
< |
register OBJECT *os; |
222 |
> |
nonsurfintree(OCTREE ot) /* check tree for modifiers */ |
223 |
|
{ |
224 |
< |
register OBJECT s; |
225 |
< |
register int i; |
224 |
> |
OBJECT set[MAXSET+1]; |
225 |
> |
int i; |
226 |
|
|
227 |
< |
for (i = *os; i-- > 0; ) |
228 |
< |
if ((s = *++os) >= objorig && s < objorig+fnobjects && |
229 |
< |
ismodifier(objptr(s)->otype)) |
227 |
> |
if (isempty(ot)) |
228 |
> |
return(0); |
229 |
> |
if (istree(ot)) { |
230 |
> |
for (i = 0; i < 8; i++) |
231 |
> |
if (nonsurfintree(octkid(ot, i))) |
232 |
> |
return(1); |
233 |
> |
return(0); |
234 |
> |
} |
235 |
> |
objset(set, ot); |
236 |
> |
for (i = set[0]; i > 0; i-- ) |
237 |
> |
if (ismodifier(objptr(set[i])->otype)) |
238 |
|
return(1); |
239 |
|
return(0); |
240 |
|
} |
241 |
|
|
242 |
|
|
243 |
< |
static |
244 |
< |
skiptree() /* skip octree on input */ |
243 |
> |
static void |
244 |
> |
skiptree(void) /* skip octree on input */ |
245 |
|
{ |
246 |
< |
register int i; |
246 |
> |
int i; |
247 |
|
|
248 |
|
switch (getc(infp)) { |
249 |
|
case OT_EMPTY: |
265 |
|
} |
266 |
|
|
267 |
|
|
268 |
< |
static |
269 |
< |
getobj() /* get next object */ |
307 |
< |
{ |
308 |
< |
char sbuf[MAXSTR]; |
309 |
< |
int obj; |
310 |
< |
register int i; |
311 |
< |
register long m; |
312 |
< |
register OBJREC *objp; |
313 |
< |
|
314 |
< |
i = ogetint(1); |
315 |
< |
if (i == -1) |
316 |
< |
return(OVOID); /* terminator */ |
317 |
< |
if ((obj = newobject()) == OVOID) |
318 |
< |
error(SYSTEM, "out of object space"); |
319 |
< |
objp = objptr(obj); |
320 |
< |
if ((objp->otype = otypmap[i]) < 0) |
321 |
< |
octerror(USER, "reference to unknown type"); |
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(ogetstr(sbuf)); |
336 |
< |
} else |
337 |
< |
objp->oargs.sarg = NULL; |
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] = ogetint(4); |
346 |
< |
} else |
347 |
< |
objp->oargs.iarg = NULL; |
348 |
< |
#endif |
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] = ogetflt(); |
356 |
< |
} else |
357 |
< |
objp->oargs.farg = NULL; |
358 |
< |
/* initialize */ |
359 |
< |
objp->os = NULL; |
360 |
< |
/* insert */ |
361 |
< |
insertobject(obj); |
362 |
< |
return(obj); |
363 |
< |
memerr: |
364 |
< |
error(SYSTEM, "out of memory in getobj"); |
365 |
< |
} |
366 |
< |
|
367 |
< |
|
368 |
< |
static |
369 |
< |
octerror(etyp, msg) /* octree error */ |
370 |
< |
int etyp; |
371 |
< |
char *msg; |
268 |
> |
static void |
269 |
> |
octerror(int etyp, char *msg) /* octree error */ |
270 |
|
{ |
271 |
|
char msgbuf[128]; |
272 |
|
|