| 36 |
|
* as simple as we can. Global variables and their defaults |
| 37 |
|
* are defined below, and including "ray.h" declares these |
| 38 |
|
* along with all the routines you are likely to need. First, |
| 39 |
< |
* assign the global variable progname to your argv[0], then |
| 40 |
< |
* change the rendering parameters as you like. If you have a set |
| 41 |
< |
* of option arguments you are working from, the getrenderopt(ac,av) |
| 39 |
> |
* assign the global variable progname by calling fixargv0(argv[0]), |
| 40 |
> |
* then change the rendering parameters as you like. If you have a |
| 41 |
> |
* set of option arguments you are working from, the getrenderopt() |
| 42 |
|
* call should be very useful. Before tracing any rays, you |
| 43 |
|
* must read in the octree with a call to ray_init(oct). |
| 44 |
|
* Passing NULL for the file name causes ray_init() to read |
| 98 |
|
#include "ambient.h" |
| 99 |
|
#include "otypes.h" |
| 100 |
|
#include "random.h" |
| 101 |
+ |
#include "func.h" |
| 102 |
|
#include "data.h" |
| 103 |
|
#include "font.h" |
| 104 |
|
#include "pmapray.h" |
| 105 |
|
|
| 105 |
– |
char *progname = "unknown_app"; /* caller sets to argv[0] */ |
| 106 |
– |
|
| 106 |
|
char *octname; /* octree name we are given */ |
| 107 |
|
|
| 109 |
– |
char *shm_boundary = NULL; /* boundary of shared memory */ |
| 110 |
– |
|
| 108 |
|
CUBE thescene; /* our scene */ |
| 109 |
|
OBJECT nsceneobjs; /* number of objects in our scene */ |
| 110 |
|
|
| 116 |
|
|
| 117 |
|
void (*addobjnotify[8])() = {ambnotify, NULL}; |
| 118 |
|
|
| 119 |
+ |
int castonly = 0; /* only doing ray-casting? */ |
| 120 |
+ |
|
| 121 |
|
int do_irrad = 0; /* compute irradiance? */ |
| 122 |
|
|
| 123 |
|
int rand_samp = 1; /* pure Monte Carlo sampling? */ |
| 178 |
|
/* initialize object types */ |
| 179 |
|
if (ofun[OBJ_SPHERE].funp == o_default) |
| 180 |
|
initotypes(); |
| 181 |
+ |
/* initialize calcomp routines */ |
| 182 |
+ |
initfunc(); |
| 183 |
|
/* initialize urand */ |
| 184 |
|
reset_random(); |
| 185 |
< |
/* read scene octree */ |
| 186 |
< |
readoct(octname = otnm, ~(IO_FILES|IO_INFO), &thescene, NULL); |
| 185 |
> |
/* initialize spectral sampling */ |
| 186 |
> |
if (setspectrsamp(CNDX, WLPART) < 0) |
| 187 |
> |
error(USER, "unsupported spectral sampling"); |
| 188 |
> |
|
| 189 |
> |
octname = savqstr(otnm); /* read scene octree */ |
| 190 |
> |
readoct(octname, ~(IO_FILES|IO_INFO), &thescene, NULL); |
| 191 |
|
nsceneobjs = nobjects; |
| 192 |
< |
/* PMAP: Init & load photon maps */ |
| 193 |
< |
ray_init_pmap(); |
| 194 |
< |
/* find and mark sources */ |
| 195 |
< |
marksources(); |
| 196 |
< |
/* initialize ambient calculation */ |
| 197 |
< |
setambient(); |
| 198 |
< |
/* ready to go... (almost) */ |
| 192 |
> |
|
| 193 |
> |
if (!castonly) { /* any actual ray traversal to do? */ |
| 194 |
> |
|
| 195 |
> |
ray_init_pmap(); /* PMAP: set up & load photon maps */ |
| 196 |
> |
|
| 197 |
> |
marksources(); /* find and mark sources */ |
| 198 |
> |
|
| 199 |
> |
setambient(); /* initialize ambient calculation */ |
| 200 |
> |
} else |
| 201 |
> |
distantsources(); /* else mark only distant sources */ |
| 202 |
|
} |
| 203 |
|
|
| 204 |
|
|
| 226 |
|
donesets(); |
| 227 |
|
octdone(); |
| 228 |
|
thescene.cutree = EMPTY; |
| 229 |
< |
octname = NULL; |
| 229 |
> |
freeqstr(octname); octname = NULL; |
| 230 |
|
retainfonts = 0; |
| 231 |
|
if (freall) { |
| 232 |
|
freefont(NULL); |
| 349 |
|
ambincl = rp->ambincl; |
| 350 |
|
/* update ambient calculation */ |
| 351 |
|
ambnotify(OVOID); |
| 352 |
< |
if (thescene.cutree != EMPTY) { |
| 352 |
> |
if ((thescene.cutree != EMPTY) & !castonly) { |
| 353 |
|
int newamb = (ambfile == NULL) ? rp->ambfile[0] : |
| 354 |
|
strcmp(ambfile, rp->ambfile) ; |
| 355 |
|
|
| 390 |
|
rp->do_irrad = 0; |
| 391 |
|
rp->rand_samp = 1; |
| 392 |
|
rp->dstrsrc = 0.0; |
| 393 |
< |
rp->shadthresh = .03; |
| 394 |
< |
rp->shadcert = .75; |
| 393 |
> |
rp->shadthresh = 0.03; |
| 394 |
> |
rp->shadcert = 0.75; |
| 395 |
|
rp->directrelay = 2; |
| 396 |
|
rp->vspretest = 512; |
| 397 |
|
rp->directvis = 1; |
| 400 |
|
setcolor(rp->salbedo, 0., 0., 0.); |
| 401 |
|
rp->seccg = 0.; |
| 402 |
|
rp->ssampdist = 0.; |
| 403 |
< |
rp->specthresh = .15; |
| 403 |
> |
rp->specthresh = 0.15; |
| 404 |
|
rp->specjitter = 1.; |
| 405 |
|
rp->backvis = 1; |
| 406 |
|
rp->maxdepth = -10; |
| 407 |
< |
rp->minweight = 2e-3; |
| 407 |
> |
rp->minweight = 1e-4; |
| 408 |
|
memset(rp->ambfile, '\0', sizeof(rp->ambfile)); |
| 409 |
|
setcolor(rp->ambval, 0., 0., 0.); |
| 410 |
|
rp->ambvwt = 0; |
| 411 |
|
rp->ambres = 256; |
| 412 |
< |
rp->ambacc = 0.15; |
| 412 |
> |
rp->ambacc = 0.1; |
| 413 |
|
rp->ambdiv = 1024; |
| 414 |
|
rp->ambssamp = 512; |
| 415 |
|
rp->ambounce = 0; |
