17 |
|
|
18 |
|
#define putv(v) printf("%18.12g %18.12g %18.12g\n",(v)[0],(v)[1],(v)[2]) |
19 |
|
|
20 |
+ |
#define invert (xf_context != NULL && xf_context->rev) |
21 |
+ |
|
22 |
|
double glowdist = FHUGE; /* glow test distance */ |
23 |
|
|
24 |
< |
double emult = 1.; /* emmitter multiplier */ |
24 |
> |
double emult = 1.; /* emitter multiplier */ |
25 |
|
|
26 |
|
int r_comment(), r_cone(), r_cyl(), r_face(), r_ies(), r_ring(), r_sph(); |
27 |
|
char *material(), *object(), *addarg(); |
50 |
|
mg_ehand[MG_E_RD] = c_hmaterial; |
51 |
|
mg_ehand[MG_E_RING] = r_ring; |
52 |
|
mg_ehand[MG_E_RS] = c_hmaterial; |
53 |
+ |
mg_ehand[MG_E_SIDES] = c_hmaterial; |
54 |
|
mg_ehand[MG_E_SPH] = r_sph; |
55 |
|
mg_ehand[MG_E_TD] = c_hmaterial; |
56 |
|
mg_ehand[MG_E_TS] = c_hmaterial; |
102 |
|
register int ac; |
103 |
|
register char **av; |
104 |
|
{ |
105 |
< |
fputs("\n#", stdout); /* use Radiance comment character */ |
105 |
> |
putchar('#'); /* use Radiance comment character */ |
106 |
|
while (--ac) { |
107 |
|
putchar(' '); |
108 |
|
fputs(*++av, stdout); |
295 |
|
printf("\n%s polygon %sf%d\n", mat, object(), ++nfaces); |
296 |
|
printf("0\n0\n%d\n", 3*(ac-1)); |
297 |
|
for (i = 1; i < ac; i++) { |
298 |
< |
if ((cv = c_getvert(av[i])) == NULL) |
298 |
> |
if ((cv = c_getvert(av[invert ? ac-i : i])) == NULL) |
299 |
|
return(MG_EUNDEF); |
300 |
|
xf_xfmpoint(v, cv->p); |
301 |
|
putv(v); |
369 |
|
FVECT n1, n2, n3; |
370 |
|
register int i; |
371 |
|
/* the following is repeat code, so assume it's OK */ |
369 |
– |
cv1 = c_getvert(vn1); |
372 |
|
cv2 = c_getvert(vn2); |
373 |
< |
cv3 = c_getvert(vn3); |
373 |
> |
if (invert) { |
374 |
> |
cv3 = c_getvert(vn1); |
375 |
> |
cv1 = c_getvert(vn3); |
376 |
> |
} else { |
377 |
> |
cv1 = c_getvert(vn1); |
378 |
> |
cv3 = c_getvert(vn3); |
379 |
> |
} |
380 |
|
xf_xfmpoint(v1, cv1->p); |
381 |
|
xf_xfmpoint(v2, cv2->p); |
382 |
|
xf_xfmpoint(v3, cv3->p); |
433 |
|
} |
434 |
|
d = c_cmaterial->rd + c_cmaterial->td + |
435 |
|
c_cmaterial->rs + c_cmaterial->ts; |
436 |
< |
if (d <= 0. | d >= 1.) |
436 |
> |
if (d < 0. | d > 1.) |
437 |
|
return(NULL); |
438 |
|
/* check for trans */ |
439 |
|
if (c_cmaterial->td > .01 || c_cmaterial->ts > .01) { |
440 |
|
double ts, a5, a6; |
441 |
|
|
442 |
< |
ts = sqrt(c_cmaterial->ts); /* because we use 2 sides */ |
442 |
> |
if (c_cmaterial->sided) { |
443 |
> |
ts = sqrt(c_cmaterial->ts); /* approximate */ |
444 |
> |
a5 = .5; |
445 |
> |
} else { |
446 |
> |
ts = c_cmaterial->ts; |
447 |
> |
a5 = 1.; |
448 |
> |
} |
449 |
|
/* average colors */ |
450 |
|
d = c_cmaterial->rd + c_cmaterial->td + ts; |
451 |
|
cvtcolor(radrgb, &c_cmaterial->rd_c, c_cmaterial->rd/d); |
455 |
|
addcolor(radrgb, c2); |
456 |
|
if (c_cmaterial->rs + ts > .0001) |
457 |
|
a5 = (c_cmaterial->rs*c_cmaterial->rs_a + |
458 |
< |
ts*.5*c_cmaterial->ts_a) / |
458 |
> |
ts*a5*c_cmaterial->ts_a) / |
459 |
|
(c_cmaterial->rs + ts); |
460 |
|
a6 = (c_cmaterial->td + ts) / |
461 |
|
(c_cmaterial->rd + c_cmaterial->td + ts); |
462 |
< |
if (a6 < .999) { |
462 |
> |
if (a6 < .999) |
463 |
|
d = c_cmaterial->rd/(1. - c_cmaterial->rs)/(1. - a6); |
464 |
< |
scalecolor(radrgb, d); |
465 |
< |
} |
464 |
> |
else |
465 |
> |
d = c_cmaterial->td + ts; |
466 |
> |
scalecolor(radrgb, d); |
467 |
|
printf("\nvoid trans %s\n0\n0\n", mname); |
468 |
|
printf("7 %f %f %f\n", colval(radrgb,RED), |
469 |
|
colval(radrgb,GRN), colval(radrgb,BLU)); |
472 |
|
return(mname); |
473 |
|
} |
474 |
|
/* check for plastic */ |
475 |
< |
if (c_cmaterial->rs < .01 || c_isgrey(&c_cmaterial->rs_c)) { |
476 |
< |
if (c_cmaterial->rs > .999) |
477 |
< |
cvtcolor(radrgb, &c_cmaterial->rd_c, 1.); |
463 |
< |
else |
464 |
< |
cvtcolor(radrgb, &c_cmaterial->rd_c, |
475 |
> |
if (c_cmaterial->rs < .1 && (c_cmaterial->rs < .01 || |
476 |
> |
c_isgrey(&c_cmaterial->rs_c))) { |
477 |
> |
cvtcolor(radrgb, &c_cmaterial->rd_c, |
478 |
|
c_cmaterial->rd/(1.-c_cmaterial->rs)); |
479 |
|
printf("\nvoid plastic %s\n0\n0\n", mname); |
480 |
|
printf("5 %f %f %f %f %f\n", colval(radrgb,RED), |
483 |
|
return(mname); |
484 |
|
} |
485 |
|
/* else it's metal */ |
486 |
< |
d = c_cmaterial->rd + c_cmaterial->rs; /* average colors */ |
487 |
< |
cvtcolor(radrgb, &c_cmaterial->rd_c, c_cmaterial->rd/d); |
488 |
< |
cvtcolor(c2, &c_cmaterial->rs_c, c_cmaterial->rs/d); |
486 |
> |
/* average colors */ |
487 |
> |
cvtcolor(radrgb, &c_cmaterial->rd_c, c_cmaterial->rd); |
488 |
> |
cvtcolor(c2, &c_cmaterial->rs_c, c_cmaterial->rs); |
489 |
|
addcolor(radrgb, c2); |
477 |
– |
if (c_cmaterial->rs < .999) { |
478 |
– |
d = c_cmaterial->rd/(1. - c_cmaterial->rs); |
479 |
– |
scalecolor(radrgb, d); |
480 |
– |
} |
490 |
|
printf("\nvoid metal %s\n0\n0\n", mname); |
491 |
|
printf("5 %f %f %f %f %f\n", colval(radrgb,RED), |
492 |
|
colval(radrgb,GRN), colval(radrgb,BLU), |
493 |
< |
c_cmaterial->rs, c_cmaterial->rs_a); |
493 |
> |
c_cmaterial->rs/(c_cmaterial->rd + c_cmaterial->rs), |
494 |
> |
c_cmaterial->rs_a); |
495 |
|
return(mname); |
496 |
|
} |
497 |
|
|