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 |
|
|
41 |
|
mg_ehand[MG_E_CMIX] = c_hcolor; |
42 |
|
mg_ehand[MG_E_CSPEC] = c_hcolor; |
43 |
|
mg_ehand[MG_E_CXY] = c_hcolor; |
44 |
+ |
mg_ehand[MG_E_CCT] = c_hcolor; |
45 |
|
mg_ehand[MG_E_CYL] = r_cyl; |
46 |
|
mg_ehand[MG_E_ED] = c_hmaterial; |
47 |
|
mg_ehand[MG_E_FACE] = r_face; |
48 |
|
mg_ehand[MG_E_IES] = r_ies; |
49 |
+ |
mg_ehand[MG_E_IR] = c_hmaterial; |
50 |
|
mg_ehand[MG_E_MATERIAL] = c_hmaterial; |
51 |
|
mg_ehand[MG_E_NORMAL] = c_hvertex; |
52 |
|
mg_ehand[MG_E_OBJECT] = obj_handler; |
67 |
|
printf(" %s", argv[i]); |
68 |
|
switch (argv[i][1]) { |
69 |
|
case 'g': /* glow distance (meters) */ |
70 |
< |
if (argv[i][2] || badarg(argc-i, argv+i, "f")) |
70 |
> |
if (argv[i][2] || badarg(argc-i-1, argv+i+1, "f")) |
71 |
|
goto userr; |
72 |
|
glowdist = atof(argv[++i]); |
73 |
|
printf(" %s", argv[i]); |
74 |
|
break; |
75 |
|
case 'e': /* emitter multiplier */ |
76 |
< |
if (argv[i][2] || badarg(argc-i, argv+i, "f")) |
76 |
> |
if (argv[i][2] || badarg(argc-i-1, argv+i+1, "f")) |
77 |
|
goto userr; |
78 |
|
emult = atof(argv[++i]); |
79 |
|
printf(" %s", argv[i]); |
80 |
|
break; |
81 |
+ |
case 'm': /* materials file */ |
82 |
+ |
matfp = fopen(argv[++i], "a"); |
83 |
+ |
if (matfp == NULL) { |
84 |
+ |
fprintf(stderr, "%s: cannot append\n", argv[i]); |
85 |
+ |
exit(1); |
86 |
+ |
} |
87 |
+ |
printf(" %s", argv[i]); |
88 |
+ |
break; |
89 |
|
default: |
90 |
|
goto userr; |
91 |
|
} |
103 |
|
} |
104 |
|
exit(0); |
105 |
|
userr: |
106 |
< |
fprintf(stderr, "Usage: %s [-g dist][-m mult] [file.mgf] ..\n", |
106 |
> |
fprintf(stderr, "Usage: %s [-g dist][-e mult][-m matf] [file.mgf] ..\n", |
107 |
|
argv[0]); |
108 |
|
exit(1); |
109 |
|
} |
307 |
|
printf("\n%s polygon %sf%d\n", mat, object(), ++nfaces); |
308 |
|
printf("0\n0\n%d\n", 3*(ac-1)); |
309 |
|
for (i = 1; i < ac; i++) { |
310 |
< |
if ((cv = c_getvert(av[i])) == NULL) |
310 |
> |
if ((cv = c_getvert(av[invert ? ac-i : i])) == NULL) |
311 |
|
return(MG_EUNDEF); |
312 |
|
xf_xfmpoint(v, cv->p); |
313 |
|
putv(v); |
381 |
|
FVECT n1, n2, n3; |
382 |
|
register int i; |
383 |
|
/* the following is repeat code, so assume it's OK */ |
370 |
– |
cv1 = c_getvert(vn1); |
384 |
|
cv2 = c_getvert(vn2); |
385 |
< |
cv3 = c_getvert(vn3); |
385 |
> |
if (invert) { |
386 |
> |
cv3 = c_getvert(vn1); |
387 |
> |
cv1 = c_getvert(vn3); |
388 |
> |
} else { |
389 |
> |
cv1 = c_getvert(vn1); |
390 |
> |
cv3 = c_getvert(vn3); |
391 |
> |
} |
392 |
|
xf_xfmpoint(v1, cv1->p); |
393 |
|
xf_xfmpoint(v2, cv2->p); |
394 |
|
xf_xfmpoint(v3, cv3->p); |
429 |
|
c_cmaterial->clock = 0; |
430 |
|
if (c_cmaterial->ed > .1) { /* emitter */ |
431 |
|
cvtcolor(radrgb, &c_cmaterial->ed_c, |
432 |
< |
emult*c_cmaterial->ed/WHTEFFICACY); |
432 |
> |
emult*c_cmaterial->ed/(PI*WHTEFFICACY)); |
433 |
|
if (glowdist < FHUGE) { /* do a glow */ |
434 |
< |
printf("\nvoid glow %s\n0\n0\n", mname); |
435 |
< |
printf("4 %f %f %f %f\n", colval(radrgb,RED), |
434 |
> |
fprintf(matfp, "\nvoid glow %s\n0\n0\n", mname); |
435 |
> |
fprintf(matfp, "4 %f %f %f %f\n", colval(radrgb,RED), |
436 |
|
colval(radrgb,GRN), |
437 |
|
colval(radrgb,BLU), glowdist); |
438 |
|
} else { |
439 |
< |
printf("\nvoid light %s\n0\n0\n", mname); |
440 |
< |
printf("3 %f %f %f\n", colval(radrgb,RED), |
439 |
> |
fprintf(matfp, "\nvoid light %s\n0\n0\n", mname); |
440 |
> |
fprintf(matfp, "3 %f %f %f\n", colval(radrgb,RED), |
441 |
|
colval(radrgb,GRN), |
442 |
|
colval(radrgb,BLU)); |
443 |
|
} |
447 |
|
c_cmaterial->rs + c_cmaterial->ts; |
448 |
|
if (d < 0. | d > 1.) |
449 |
|
return(NULL); |
450 |
+ |
/* check for glass/dielectric */ |
451 |
+ |
if (c_cmaterial->nr > 1.1 && |
452 |
+ |
c_cmaterial->ts > .25 && c_cmaterial->rs <= .125 && |
453 |
+ |
c_cmaterial->td <= .01 && c_cmaterial->rd <= .01 && |
454 |
+ |
c_cmaterial->rs_a <= .01 && c_cmaterial->ts_a <= .01) { |
455 |
+ |
cvtcolor(radrgb, &c_cmaterial->ts_c, |
456 |
+ |
c_cmaterial->ts + c_cmaterial->rs); |
457 |
+ |
if (c_cmaterial->sided) { /* dielectric */ |
458 |
+ |
colval(radrgb,RED) = pow(colval(radrgb,RED), |
459 |
+ |
1./C_1SIDEDTHICK); |
460 |
+ |
colval(radrgb,GRN) = pow(colval(radrgb,GRN), |
461 |
+ |
1./C_1SIDEDTHICK); |
462 |
+ |
colval(radrgb,BLU) = pow(colval(radrgb,BLU), |
463 |
+ |
1./C_1SIDEDTHICK); |
464 |
+ |
fprintf(matfp, "\nvoid dielectric %s\n0\n0\n", mname); |
465 |
+ |
fprintf(matfp, "5 %g %g %g %f 0\n", colval(radrgb,RED), |
466 |
+ |
colval(radrgb,GRN), colval(radrgb,BLU), |
467 |
+ |
c_cmaterial->nr); |
468 |
+ |
return(mname); |
469 |
+ |
} |
470 |
+ |
/* glass */ |
471 |
+ |
fprintf(matfp, "\nvoid glass %s\n0\n0\n", mname); |
472 |
+ |
fprintf(matfp, "4 %f %f %f %f\n", colval(radrgb,RED), |
473 |
+ |
colval(radrgb,GRN), colval(radrgb,BLU), |
474 |
+ |
c_cmaterial->nr); |
475 |
+ |
return(mname); |
476 |
+ |
} |
477 |
|
/* check for trans */ |
478 |
|
if (c_cmaterial->td > .01 || c_cmaterial->ts > .01) { |
479 |
|
double ts, a5, a6; |
503 |
|
else |
504 |
|
d = c_cmaterial->td + ts; |
505 |
|
scalecolor(radrgb, d); |
506 |
< |
printf("\nvoid trans %s\n0\n0\n", mname); |
507 |
< |
printf("7 %f %f %f\n", colval(radrgb,RED), |
506 |
> |
fprintf(matfp, "\nvoid trans %s\n0\n0\n", mname); |
507 |
> |
fprintf(matfp, "7 %f %f %f\n", colval(radrgb,RED), |
508 |
|
colval(radrgb,GRN), colval(radrgb,BLU)); |
509 |
< |
printf("\t%f %f %f %f\n", c_cmaterial->rs, a5, a6, |
509 |
> |
fprintf(matfp, "\t%f %f %f %f\n", c_cmaterial->rs, a5, a6, |
510 |
|
ts/(ts + c_cmaterial->td)); |
511 |
|
return(mname); |
512 |
|
} |
515 |
|
c_isgrey(&c_cmaterial->rs_c))) { |
516 |
|
cvtcolor(radrgb, &c_cmaterial->rd_c, |
517 |
|
c_cmaterial->rd/(1.-c_cmaterial->rs)); |
518 |
< |
printf("\nvoid plastic %s\n0\n0\n", mname); |
519 |
< |
printf("5 %f %f %f %f %f\n", colval(radrgb,RED), |
518 |
> |
fprintf(matfp, "\nvoid plastic %s\n0\n0\n", mname); |
519 |
> |
fprintf(matfp, "5 %f %f %f %f %f\n", colval(radrgb,RED), |
520 |
|
colval(radrgb,GRN), colval(radrgb,BLU), |
521 |
|
c_cmaterial->rs, c_cmaterial->rs_a); |
522 |
|
return(mname); |
526 |
|
cvtcolor(radrgb, &c_cmaterial->rd_c, c_cmaterial->rd); |
527 |
|
cvtcolor(c2, &c_cmaterial->rs_c, c_cmaterial->rs); |
528 |
|
addcolor(radrgb, c2); |
529 |
< |
printf("\nvoid metal %s\n0\n0\n", mname); |
530 |
< |
printf("5 %f %f %f %f %f\n", colval(radrgb,RED), |
529 |
> |
fprintf(matfp, "\nvoid metal %s\n0\n0\n", mname); |
530 |
> |
fprintf(matfp, "5 %f %f %f %f %f\n", colval(radrgb,RED), |
531 |
|
colval(radrgb,GRN), colval(radrgb,BLU), |
532 |
|
c_cmaterial->rs/(c_cmaterial->rd + c_cmaterial->rs), |
533 |
|
c_cmaterial->rs_a); |