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 |
+ |
FILE *matfp = stdout; /* material output file */ |
27 |
+ |
|
28 |
|
int r_comment(), r_cone(), r_cyl(), r_face(), r_ies(), r_ring(), r_sph(); |
29 |
|
char *material(), *object(), *addarg(); |
30 |
|
|
65 |
|
printf(" %s", argv[i]); |
66 |
|
switch (argv[i][1]) { |
67 |
|
case 'g': /* glow distance (meters) */ |
68 |
< |
if (argv[i][2] || badarg(argc-i, argv+i, "f")) |
68 |
> |
if (argv[i][2] || badarg(argc-i-1, argv+i+1, "f")) |
69 |
|
goto userr; |
70 |
|
glowdist = atof(argv[++i]); |
71 |
|
printf(" %s", argv[i]); |
72 |
|
break; |
73 |
|
case 'e': /* emitter multiplier */ |
74 |
< |
if (argv[i][2] || badarg(argc-i, argv+i, "f")) |
74 |
> |
if (argv[i][2] || badarg(argc-i-1, argv+i+1, "f")) |
75 |
|
goto userr; |
76 |
|
emult = atof(argv[++i]); |
77 |
|
printf(" %s", argv[i]); |
78 |
|
break; |
79 |
+ |
case 'm': /* materials file */ |
80 |
+ |
matfp = fopen(argv[++i], "a"); |
81 |
+ |
if (matfp == NULL) { |
82 |
+ |
fprintf(stderr, "%s: cannot append\n", argv[i]); |
83 |
+ |
exit(1); |
84 |
+ |
} |
85 |
+ |
printf(" %s", argv[i]); |
86 |
+ |
break; |
87 |
|
default: |
88 |
|
goto userr; |
89 |
|
} |
101 |
|
} |
102 |
|
exit(0); |
103 |
|
userr: |
104 |
< |
fprintf(stderr, "Usage: %s [-g dist][-m mult] [file.mgf] ..\n", |
104 |
> |
fprintf(stderr, "Usage: %s [-g dist][-e mult][-m matf] [file.mgf] ..\n", |
105 |
|
argv[0]); |
106 |
|
exit(1); |
107 |
|
} |
112 |
|
register int ac; |
113 |
|
register char **av; |
114 |
|
{ |
115 |
< |
fputs("\n#", stdout); /* use Radiance comment character */ |
115 |
> |
putchar('#'); /* use Radiance comment character */ |
116 |
|
while (--ac) { |
117 |
|
putchar(' '); |
118 |
|
fputs(*++av, stdout); |
305 |
|
printf("\n%s polygon %sf%d\n", mat, object(), ++nfaces); |
306 |
|
printf("0\n0\n%d\n", 3*(ac-1)); |
307 |
|
for (i = 1; i < ac; i++) { |
308 |
< |
if ((cv = c_getvert(av[i])) == NULL) |
308 |
> |
if ((cv = c_getvert(av[invert ? ac-i : i])) == NULL) |
309 |
|
return(MG_EUNDEF); |
310 |
|
xf_xfmpoint(v, cv->p); |
311 |
|
putv(v); |
379 |
|
FVECT n1, n2, n3; |
380 |
|
register int i; |
381 |
|
/* the following is repeat code, so assume it's OK */ |
370 |
– |
cv1 = c_getvert(vn1); |
382 |
|
cv2 = c_getvert(vn2); |
383 |
< |
cv3 = c_getvert(vn3); |
383 |
> |
if (invert) { |
384 |
> |
cv3 = c_getvert(vn1); |
385 |
> |
cv1 = c_getvert(vn3); |
386 |
> |
} else { |
387 |
> |
cv1 = c_getvert(vn1); |
388 |
> |
cv3 = c_getvert(vn3); |
389 |
> |
} |
390 |
|
xf_xfmpoint(v1, cv1->p); |
391 |
|
xf_xfmpoint(v2, cv2->p); |
392 |
|
xf_xfmpoint(v3, cv3->p); |
429 |
|
cvtcolor(radrgb, &c_cmaterial->ed_c, |
430 |
|
emult*c_cmaterial->ed/WHTEFFICACY); |
431 |
|
if (glowdist < FHUGE) { /* do a glow */ |
432 |
< |
printf("\nvoid glow %s\n0\n0\n", mname); |
433 |
< |
printf("4 %f %f %f %f\n", colval(radrgb,RED), |
432 |
> |
fprintf(matfp, "\nvoid glow %s\n0\n0\n", mname); |
433 |
> |
fprintf(matfp, "4 %f %f %f %f\n", colval(radrgb,RED), |
434 |
|
colval(radrgb,GRN), |
435 |
|
colval(radrgb,BLU), glowdist); |
436 |
|
} else { |
437 |
< |
printf("\nvoid light %s\n0\n0\n", mname); |
438 |
< |
printf("3 %f %f %f\n", colval(radrgb,RED), |
437 |
> |
fprintf(matfp, "\nvoid light %s\n0\n0\n", mname); |
438 |
> |
fprintf(matfp, "3 %f %f %f\n", colval(radrgb,RED), |
439 |
|
colval(radrgb,GRN), |
440 |
|
colval(radrgb,BLU)); |
441 |
|
} |
443 |
|
} |
444 |
|
d = c_cmaterial->rd + c_cmaterial->td + |
445 |
|
c_cmaterial->rs + c_cmaterial->ts; |
446 |
< |
if (d <= 0. | d >= 1.) |
446 |
> |
if (d < 0. | d > 1.) |
447 |
|
return(NULL); |
448 |
|
/* check for trans */ |
449 |
|
if (c_cmaterial->td > .01 || c_cmaterial->ts > .01) { |
452 |
|
if (c_cmaterial->sided) { |
453 |
|
ts = sqrt(c_cmaterial->ts); /* approximate */ |
454 |
|
a5 = .5; |
455 |
< |
} else |
455 |
> |
} else { |
456 |
> |
ts = c_cmaterial->ts; |
457 |
|
a5 = 1.; |
458 |
+ |
} |
459 |
|
/* average colors */ |
460 |
|
d = c_cmaterial->rd + c_cmaterial->td + ts; |
461 |
|
cvtcolor(radrgb, &c_cmaterial->rd_c, c_cmaterial->rd/d); |
469 |
|
(c_cmaterial->rs + ts); |
470 |
|
a6 = (c_cmaterial->td + ts) / |
471 |
|
(c_cmaterial->rd + c_cmaterial->td + ts); |
472 |
< |
if (a6 < .999) { |
472 |
> |
if (a6 < .999) |
473 |
|
d = c_cmaterial->rd/(1. - c_cmaterial->rs)/(1. - a6); |
474 |
< |
scalecolor(radrgb, d); |
475 |
< |
} |
476 |
< |
printf("\nvoid trans %s\n0\n0\n", mname); |
477 |
< |
printf("7 %f %f %f\n", colval(radrgb,RED), |
474 |
> |
else |
475 |
> |
d = c_cmaterial->td + ts; |
476 |
> |
scalecolor(radrgb, d); |
477 |
> |
fprintf(matfp, "\nvoid trans %s\n0\n0\n", mname); |
478 |
> |
fprintf(matfp, "7 %f %f %f\n", colval(radrgb,RED), |
479 |
|
colval(radrgb,GRN), colval(radrgb,BLU)); |
480 |
< |
printf("\t%f %f %f %f\n", c_cmaterial->rs, a5, a6, |
480 |
> |
fprintf(matfp, "\t%f %f %f %f\n", c_cmaterial->rs, a5, a6, |
481 |
|
ts/(ts + c_cmaterial->td)); |
482 |
|
return(mname); |
483 |
|
} |
484 |
|
/* check for plastic */ |
485 |
< |
if (c_cmaterial->rs < .01 || c_isgrey(&c_cmaterial->rs_c)) { |
486 |
< |
if (c_cmaterial->rs > .999) |
487 |
< |
cvtcolor(radrgb, &c_cmaterial->rd_c, 1.); |
468 |
< |
else |
469 |
< |
cvtcolor(radrgb, &c_cmaterial->rd_c, |
485 |
> |
if (c_cmaterial->rs < .1 && (c_cmaterial->rs < .01 || |
486 |
> |
c_isgrey(&c_cmaterial->rs_c))) { |
487 |
> |
cvtcolor(radrgb, &c_cmaterial->rd_c, |
488 |
|
c_cmaterial->rd/(1.-c_cmaterial->rs)); |
489 |
< |
printf("\nvoid plastic %s\n0\n0\n", mname); |
490 |
< |
printf("5 %f %f %f %f %f\n", colval(radrgb,RED), |
489 |
> |
fprintf(matfp, "\nvoid plastic %s\n0\n0\n", mname); |
490 |
> |
fprintf(matfp, "5 %f %f %f %f %f\n", colval(radrgb,RED), |
491 |
|
colval(radrgb,GRN), colval(radrgb,BLU), |
492 |
|
c_cmaterial->rs, c_cmaterial->rs_a); |
493 |
|
return(mname); |
494 |
|
} |
495 |
|
/* else it's metal */ |
496 |
< |
d = c_cmaterial->rd + c_cmaterial->rs; /* average colors */ |
497 |
< |
cvtcolor(radrgb, &c_cmaterial->rd_c, c_cmaterial->rd/d); |
498 |
< |
cvtcolor(c2, &c_cmaterial->rs_c, c_cmaterial->rs/d); |
496 |
> |
/* average colors */ |
497 |
> |
cvtcolor(radrgb, &c_cmaterial->rd_c, c_cmaterial->rd); |
498 |
> |
cvtcolor(c2, &c_cmaterial->rs_c, c_cmaterial->rs); |
499 |
|
addcolor(radrgb, c2); |
500 |
< |
if (c_cmaterial->rs < .999) { |
501 |
< |
d = c_cmaterial->rd/(1. - c_cmaterial->rs); |
484 |
< |
scalecolor(radrgb, d); |
485 |
< |
} |
486 |
< |
printf("\nvoid metal %s\n0\n0\n", mname); |
487 |
< |
printf("5 %f %f %f %f %f\n", colval(radrgb,RED), |
500 |
> |
fprintf(matfp, "\nvoid metal %s\n0\n0\n", mname); |
501 |
> |
fprintf(matfp, "5 %f %f %f %f %f\n", colval(radrgb,RED), |
502 |
|
colval(radrgb,GRN), colval(radrgb,BLU), |
503 |
< |
c_cmaterial->rs, c_cmaterial->rs_a); |
503 |
> |
c_cmaterial->rs/(c_cmaterial->rd + c_cmaterial->rs), |
504 |
> |
c_cmaterial->rs_a); |
505 |
|
return(mname); |
506 |
|
} |
507 |
|
|