| 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 |
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* 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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* |
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< |
* 7/30/85 |
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> |
* Copyright (c) 1990 - 2002 The Regents of the University of California, |
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> |
* 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 |
> |
* |
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> |
* 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 |
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> |
* 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/) |
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> |
* developed by the Lawrence Berkeley National Laboratory |
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> |
* (http://www.lbl.gov/)." |
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> |
* Alternately, this acknowledgment may appear in the software itself, |
| 33 |
> |
* if and wherever such third-party acknowledgments normally appear. |
| 34 |
> |
* |
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> |
* 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); |
