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#include "ray.h" |
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#include "source.h" |
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#include "bsdf.h" |
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#include "ambient.h" |
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#include "otypes.h" |
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#include "random.h" |
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#include "data.h" |
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#include "font.h" |
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#include "pmapray.h" |
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char *progname = "unknown_app"; /* caller sets to argv[0] */ |
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int backvis = 1; /* back face visibility */ |
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int maxdepth = 8; /* maximum recursion depth */ |
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< |
double minweight = 2e-3; /* minimum ray weight */ |
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> |
double minweight = 5e-4; /* minimum ray weight */ |
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char *ambfile = NULL; /* ambient file name */ |
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COLOR ambval = BLKCOLOR; /* ambient value */ |
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int ambincl = -1; /* include == 1, exclude == 0 */ |
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< |
extern void |
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> |
void |
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ray_init( /* initialize ray-tracing calculation */ |
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char *otnm |
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) |
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if (ofun[OBJ_SPHERE].funp == o_default) |
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initotypes(); |
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/* initialize urand */ |
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< |
srandom(rand_samp ? (long)time(0) : 0L); |
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< |
initurand(2048); |
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> |
if (rand_samp) { |
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> |
srandom((long)time(0)); |
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> |
initurand(0); |
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> |
} else { |
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> |
srandom(0L); |
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> |
initurand(2048); |
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> |
} |
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/* read scene octree */ |
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readoct(octname = otnm, ~(IO_FILES|IO_INFO), &thescene, NULL); |
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nsceneobjs = nobjects; |
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/* PMAP: Init & load photon maps */ |
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ray_init_pmap(); |
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/* find and mark sources */ |
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marksources(); |
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/* initialize ambient calculation */ |
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setambient(); |
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< |
/* ready to go... */ |
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> |
/* ready to go... (almost) */ |
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} |
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|
| 189 |
< |
extern void |
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> |
void |
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ray_trace( /* trace a primary ray */ |
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RAY *r |
| 192 |
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) |
| 193 |
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{ |
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rayorigin(r, PRIMARY, NULL, NULL); |
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< |
samplendx = rand_samp ? random() : samplendx+1; |
| 195 |
> |
samplendx++; |
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rayvalue(r); /* assumes origin and direction are set */ |
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} |
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|
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|
| 200 |
< |
extern void |
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> |
void |
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ray_done( /* free ray-tracing data */ |
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int freall |
| 203 |
|
) |
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octdone(); |
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thescene.cutree = EMPTY; |
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|
octname = NULL; |
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+ |
retainfonts = 0; |
| 215 |
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if (freall) { |
| 206 |
– |
retainfonts = 0; |
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freefont(NULL); |
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freedata(NULL); |
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+ |
SDfreeCache(NULL); |
| 219 |
|
initurand(0); |
| 220 |
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} |
| 221 |
|
if (nobjects > 0) { |
| 222 |
|
sprintf(errmsg, "%ld objects left after call to ray_done()", |
| 223 |
< |
nobjects); |
| 223 |
> |
(long)nobjects); |
| 224 |
|
error(WARNING, errmsg); |
| 225 |
|
} |
| 226 |
+ |
|
| 227 |
+ |
ray_done_pmap(); |
| 228 |
|
} |
| 229 |
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|
| 230 |
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|
| 231 |
< |
extern void |
| 231 |
> |
void |
| 232 |
|
ray_save( /* save current parameter settings */ |
| 233 |
|
RAYPARAMS *rp |
| 234 |
|
) |
| 276 |
|
} |
| 277 |
|
while (i <= AMBLLEN) |
| 278 |
|
rp->amblndx[i++] = -1; |
| 279 |
+ |
|
| 280 |
+ |
/* PMAP: save photon mapping params */ |
| 281 |
+ |
ray_save_pmap(rp); |
| 282 |
|
} |
| 283 |
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|
| 284 |
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|
| 285 |
< |
extern void |
| 285 |
> |
void |
| 286 |
|
ray_restore( /* restore parameter settings */ |
| 287 |
|
RAYPARAMS *rp |
| 288 |
|
) |
| 347 |
|
ambres = rp->ambres; |
| 348 |
|
ambacc = rp->ambacc; |
| 349 |
|
} |
| 350 |
+ |
|
| 351 |
+ |
/* PMAP: restore photon mapping params */ |
| 352 |
+ |
ray_restore_pmap(rp); |
| 353 |
|
} |
| 354 |
|
|
| 355 |
|
|
| 356 |
< |
extern void |
| 356 |
> |
void |
| 357 |
|
ray_defaults( /* get default parameter values */ |
| 358 |
|
RAYPARAMS *rp |
| 359 |
|
) |
| 392 |
|
memset(rp->amblval, '\0', sizeof(rp->amblval)); |
| 393 |
|
for (i = AMBLLEN+1; i--; ) |
| 394 |
|
rp->amblndx[i] = -1; |
| 395 |
+ |
|
| 396 |
+ |
/* PMAP: restore photon mapping defaults */ |
| 397 |
+ |
ray_defaults_pmap(rp); |
| 398 |
|
} |