| 85 |
|
int ambdiv = 1024; /* ambient divisions */ |
| 86 |
|
int ambssamp = 512; /* ambient super-samples */ |
| 87 |
|
int ambounce = 0; /* ambient bounces */ |
| 88 |
< |
char *amblist[128]; /* ambient include/exclude list */ |
| 88 |
> |
char *amblist[AMBLLEN]; /* ambient include/exclude list */ |
| 89 |
|
int ambincl = -1; /* include == 1, exclude == 0 */ |
| 90 |
|
|
| 91 |
|
static int castonly = 0; |
| 96 |
|
static putf_t puta, putd, putf; |
| 97 |
|
|
| 98 |
|
typedef void oputf_t(RAY *r); |
| 99 |
< |
static oputf_t oputo, oputd, oputv, oputl, oputL, oputc, |
| 100 |
< |
oputp, oputn, oputN, oputs, oputw, oputm; |
| 99 |
> |
static oputf_t oputo, oputd, oputv, oputl, oputL, oputc, oputp, |
| 100 |
> |
oputn, oputN, oputs, oputw, oputW, oputm, oputM, oputtilde; |
| 101 |
|
|
| 102 |
|
static void setoutput(char *vs); |
| 103 |
|
static void tranotify(OBJECT obj); |
| 213 |
|
} |
| 214 |
|
fflush(stdout); |
| 215 |
|
if (vcount > 0) |
| 216 |
< |
error(USER, "read error"); |
| 216 |
> |
error(USER, "unexpected EOF on input"); |
| 217 |
|
if (fname != NULL) |
| 218 |
|
fclose(fp); |
| 219 |
|
} |
| 220 |
|
|
| 221 |
|
|
| 222 |
|
static void |
| 223 |
+ |
trace_sources(void) /* trace rays to light sources, also */ |
| 224 |
+ |
{ |
| 225 |
+ |
int sn; |
| 226 |
+ |
|
| 227 |
+ |
for (sn = 0; sn < nsources; sn++) |
| 228 |
+ |
source[sn].sflags |= SFOLLOW; |
| 229 |
+ |
} |
| 230 |
+ |
|
| 231 |
+ |
|
| 232 |
+ |
static void |
| 233 |
|
setoutput( /* set up output tables */ |
| 234 |
|
register char *vs |
| 235 |
|
) |
| 239 |
|
castonly = 1; |
| 240 |
|
while (*vs) |
| 241 |
|
switch (*vs++) { |
| 242 |
+ |
case 'T': /* trace sources */ |
| 243 |
+ |
if (!*vs) break; |
| 244 |
+ |
trace_sources(); |
| 245 |
+ |
/* fall through */ |
| 246 |
|
case 't': /* trace */ |
| 247 |
+ |
if (!*vs) break; |
| 248 |
|
*table = NULL; |
| 249 |
|
table = every_out; |
| 250 |
|
trace = ourtrace; |
| 286 |
|
case 'w': /* weight */ |
| 287 |
|
*table++ = oputw; |
| 288 |
|
break; |
| 289 |
+ |
case 'W': /* coefficient */ |
| 290 |
+ |
*table++ = oputW; |
| 291 |
+ |
if (ambounce > 0 && (ambacc > FTINY || ambssamp > 0)) |
| 292 |
+ |
error(WARNING, |
| 293 |
+ |
"-otW accuracy depends on -aa 0 -as 0"); |
| 294 |
+ |
break; |
| 295 |
|
case 'm': /* modifier */ |
| 296 |
|
*table++ = oputm; |
| 297 |
|
break; |
| 298 |
+ |
case 'M': /* material */ |
| 299 |
+ |
*table++ = oputM; |
| 300 |
+ |
break; |
| 301 |
+ |
case '~': /* tilde */ |
| 302 |
+ |
*table++ = oputtilde; |
| 303 |
+ |
break; |
| 304 |
|
} |
| 305 |
|
*table = NULL; |
| 306 |
|
} |
| 311 |
|
{ |
| 312 |
|
thisray.rorg[0] = thisray.rorg[1] = thisray.rorg[2] = |
| 313 |
|
thisray.rdir[0] = thisray.rdir[1] = thisray.rdir[2] = 0.0; |
| 314 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
| 314 |
> |
thisray.rmax = 0.0; |
| 315 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
| 316 |
|
printvals(&thisray); |
| 317 |
|
} |
| 318 |
|
|
| 327 |
|
VCOPY(thisray.rorg, org); |
| 328 |
|
VCOPY(thisray.rdir, dir); |
| 329 |
|
thisray.rmax = dmax; |
| 330 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
| 330 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
| 331 |
|
if (castonly) { |
| 332 |
|
if (!localhit(&thisray, &thescene)) { |
| 333 |
|
if (thisray.ro == &Aftplane) { /* clipped */ |
| 354 |
|
thisray.rorg[i] = org[i] + dir[i]; |
| 355 |
|
thisray.rdir[i] = -dir[i]; |
| 356 |
|
} |
| 357 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
| 357 |
> |
thisray.rmax = 0.0; |
| 358 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
| 359 |
|
/* pretend we hit surface */ |
| 360 |
|
thisray.rot = 1.0-1e-4; |
| 361 |
|
thisray.rod = 1.0; |
| 468 |
|
tabin(r); |
| 469 |
|
for (tp = every_out; *tp != NULL; tp++) |
| 470 |
|
(**tp)(r); |
| 471 |
< |
putchar('\n'); |
| 471 |
> |
if (outform == 'a') |
| 472 |
> |
putchar('\n'); |
| 473 |
|
} |
| 474 |
|
|
| 475 |
|
|
| 478 |
|
RAY *r |
| 479 |
|
) |
| 480 |
|
{ |
| 481 |
< |
register RAY *rp; |
| 481 |
> |
const RAY *rp; |
| 482 |
|
|
| 483 |
|
for (rp = r->parent; rp != NULL; rp = rp->parent) |
| 484 |
|
putchar('\t'); |
| 512 |
|
RAY *r |
| 513 |
|
) |
| 514 |
|
{ |
| 485 |
– |
COLR cout; |
| 486 |
– |
|
| 515 |
|
if (outform == 'c') { |
| 516 |
+ |
COLR cout; |
| 517 |
|
setcolr(cout, colval(r->rcol,RED), |
| 518 |
|
colval(r->rcol,GRN), |
| 519 |
|
colval(r->rcol,BLU)); |
| 631 |
|
|
| 632 |
|
|
| 633 |
|
static void |
| 634 |
+ |
oputW( /* print contribution */ |
| 635 |
+ |
RAY *r |
| 636 |
+ |
) |
| 637 |
+ |
{ |
| 638 |
+ |
COLOR contr; |
| 639 |
+ |
|
| 640 |
+ |
raycontrib(contr, r, PRIMARY); |
| 641 |
+ |
(*putreal)(colval(contr,RED)); |
| 642 |
+ |
(*putreal)(colval(contr,GRN)); |
| 643 |
+ |
(*putreal)(colval(contr,BLU)); |
| 644 |
+ |
} |
| 645 |
+ |
|
| 646 |
+ |
|
| 647 |
+ |
static void |
| 648 |
|
oputm( /* print modifier */ |
| 649 |
|
RAY *r |
| 650 |
|
) |
| 657 |
|
else |
| 658 |
|
putchar('*'); |
| 659 |
|
putchar('\t'); |
| 660 |
+ |
} |
| 661 |
+ |
|
| 662 |
+ |
|
| 663 |
+ |
static void |
| 664 |
+ |
oputM( /* print material */ |
| 665 |
+ |
RAY *r |
| 666 |
+ |
) |
| 667 |
+ |
{ |
| 668 |
+ |
OBJREC *mat; |
| 669 |
+ |
|
| 670 |
+ |
if (r->ro != NULL) { |
| 671 |
+ |
if ((mat = findmaterial(r->ro)) != NULL) |
| 672 |
+ |
fputs(mat->oname, stdout); |
| 673 |
+ |
else |
| 674 |
+ |
fputs(VOIDID, stdout); |
| 675 |
+ |
} else |
| 676 |
+ |
putchar('*'); |
| 677 |
+ |
putchar('\t'); |
| 678 |
+ |
} |
| 679 |
+ |
|
| 680 |
+ |
|
| 681 |
+ |
static void |
| 682 |
+ |
oputtilde( /* output tilde (spacer) */ |
| 683 |
+ |
RAY *r |
| 684 |
+ |
) |
| 685 |
+ |
{ |
| 686 |
+ |
fputs("~\t", stdout); |
| 687 |
|
} |
| 688 |
|
|
| 689 |
|
|