17 |
|
|
18 |
|
#define putv(v) printf("%18.12g %18.12g %18.12g\n",(v)[0],(v)[1],(v)[2]) |
19 |
|
|
20 |
< |
#define isgrey(cxy) ((cxy)->cx > .31 && (cxy)->cx < .35 && \ |
21 |
< |
(cxy)->cy > .31 && (cxy)->cy < .35) |
20 |
> |
double glowdist = FHUGE; /* glow test distance */ |
21 |
|
|
23 |
– |
#define is0vect(v) ((v)[0] == 0. && (v)[1] == 0. && (v)[2] == 0.) |
24 |
– |
|
25 |
– |
#define BIGFLT 1e8 |
26 |
– |
|
27 |
– |
double glowdist = 1.5*BIGFLT; /* glow test distance */ |
28 |
– |
|
22 |
|
double emult = 1.; /* emmitter multiplier */ |
23 |
|
|
24 |
|
int r_comment(), r_cone(), r_cyl(), r_face(), r_ies(), r_ring(), r_sph(); |
34 |
|
mg_ehand[MG_E_COMMENT] = r_comment; |
35 |
|
mg_ehand[MG_E_COLOR] = c_hcolor; |
36 |
|
mg_ehand[MG_E_CONE] = r_cone; |
37 |
+ |
mg_ehand[MG_E_CMIX] = c_hcolor; |
38 |
+ |
mg_ehand[MG_E_CSPEC] = c_hcolor; |
39 |
|
mg_ehand[MG_E_CXY] = c_hcolor; |
40 |
|
mg_ehand[MG_E_CYL] = r_cyl; |
41 |
|
mg_ehand[MG_E_ED] = c_hmaterial; |
48 |
|
mg_ehand[MG_E_RD] = c_hmaterial; |
49 |
|
mg_ehand[MG_E_RING] = r_ring; |
50 |
|
mg_ehand[MG_E_RS] = c_hmaterial; |
51 |
+ |
mg_ehand[MG_E_SIDES] = c_hmaterial; |
52 |
|
mg_ehand[MG_E_SPH] = r_sph; |
53 |
|
mg_ehand[MG_E_TD] = c_hmaterial; |
54 |
|
mg_ehand[MG_E_TS] = c_hmaterial; |
276 |
|
return(MG_EARGC); |
277 |
|
if ((mat = material()) == NULL) |
278 |
|
return(MG_EBADMAT); |
279 |
< |
if (ac < 5) { /* check for surface normals */ |
279 |
> |
if (ac <= 5) { /* check for surface normals */ |
280 |
|
for (i = 1; i < ac; i++) { |
281 |
|
if ((cv = c_getvert(av[i])) == NULL) |
282 |
|
return(MG_EUNDEF); |
340 |
|
/* put out xform command */ |
341 |
|
printf("\n!xform"); |
342 |
|
oname = object(); |
343 |
< |
if (*oname) |
344 |
< |
printf(" -n %s", oname); |
343 |
> |
if (*oname) { |
344 |
> |
printf(" -n "); |
345 |
> |
for (op = oname; op[1]; op++) /* remove trailing separator */ |
346 |
> |
putchar(*op); |
347 |
> |
} |
348 |
|
for (i = xa0; i < ac; i++) |
349 |
|
printf(" %s", av[i]); |
350 |
|
if (ac > xa0 && xf_argc > 0) |
360 |
|
char *mat, *vn1, *vn2, *vn3; |
361 |
|
{ |
362 |
|
static int ntris; |
364 |
– |
char *mod = mat; |
363 |
|
BARYCCM bvecs; |
364 |
|
FLOAT bcoor[3][3]; |
365 |
|
C_VERTEX *cv1, *cv2, *cv3; |
373 |
|
xf_xfmpoint(v1, cv1->p); |
374 |
|
xf_xfmpoint(v2, cv2->p); |
375 |
|
xf_xfmpoint(v3, cv3->p); |
376 |
< |
if (comp_baryc(&bvecs, v1, v2, v3) == 0) { |
377 |
< |
printf("\n%s texfunc T-nor\n", mod); |
378 |
< |
mod = "T-nor"; |
379 |
< |
printf("4 dx dy dz %s\n0\n", TCALNAME); |
380 |
< |
xf_rotvect(n1, cv1->n); |
381 |
< |
xf_rotvect(n2, cv2->n); |
382 |
< |
xf_rotvect(n3, cv3->n); |
383 |
< |
for (i = 0; i < 3; i++) { |
384 |
< |
bcoor[i][0] = n1[i]; |
385 |
< |
bcoor[i][1] = n2[i]; |
386 |
< |
bcoor[i][2] = n3[i]; |
389 |
< |
} |
390 |
< |
put_baryc(&bvecs, bcoor, 3); |
376 |
> |
if (comp_baryc(&bvecs, v1, v2, v3) < 0) |
377 |
> |
return; /* degenerate triangle! */ |
378 |
> |
printf("\n%s texfunc T-nor\n", mat); |
379 |
> |
printf("4 dx dy dz %s\n0\n", TCALNAME); |
380 |
> |
xf_rotvect(n1, cv1->n); |
381 |
> |
xf_rotvect(n2, cv2->n); |
382 |
> |
xf_rotvect(n3, cv3->n); |
383 |
> |
for (i = 0; i < 3; i++) { |
384 |
> |
bcoor[i][0] = n1[i]; |
385 |
> |
bcoor[i][1] = n2[i]; |
386 |
> |
bcoor[i][2] = n3[i]; |
387 |
|
} |
388 |
< |
printf("\n%s polygon %st%d\n", mod, object(), ++ntris); |
388 |
> |
put_baryc(&bvecs, bcoor, 3); |
389 |
> |
printf("\nT-nor polygon %st%d\n", object(), ++ntris); |
390 |
|
printf("0\n0\n9\n"); |
391 |
|
putv(v1); |
392 |
|
putv(v2); |
402 |
|
double d; |
403 |
|
register int i; |
404 |
|
|
405 |
< |
if (c_cmaterial->name != NULL) |
406 |
< |
mname = c_cmaterial->name; |
405 |
> |
if (c_cmname != NULL) |
406 |
> |
mname = c_cmname; |
407 |
|
if (!c_cmaterial->clock) |
408 |
|
return(mname); /* already current */ |
409 |
|
/* else update output */ |
411 |
|
if (c_cmaterial->ed > .1) { /* emitter */ |
412 |
|
cvtcolor(radrgb, &c_cmaterial->ed_c, |
413 |
|
emult*c_cmaterial->ed/WHTEFFICACY); |
414 |
< |
if (glowdist < BIGFLT) { /* do a glow */ |
414 |
> |
if (glowdist < FHUGE) { /* do a glow */ |
415 |
|
printf("\nvoid glow %s\n0\n0\n", mname); |
416 |
|
printf("4 %f %f %f %f\n", colval(radrgb,RED), |
417 |
|
colval(radrgb,GRN), |
428 |
|
c_cmaterial->rs + c_cmaterial->ts; |
429 |
|
if (d <= 0. | d >= 1.) |
430 |
|
return(NULL); |
431 |
< |
if (c_cmaterial->td > .01 || c_cmaterial->ts > .01) { /* trans */ |
431 |
> |
/* check for trans */ |
432 |
> |
if (c_cmaterial->td > .01 || c_cmaterial->ts > .01) { |
433 |
|
double ts, a5, a6; |
434 |
|
|
435 |
< |
ts = sqrt(c_cmaterial->ts); /* because we use 2 sides */ |
435 |
> |
if (c_cmaterial->sided) { |
436 |
> |
ts = sqrt(c_cmaterial->ts); /* approximate */ |
437 |
> |
a5 = .5; |
438 |
> |
} else |
439 |
> |
a5 = 1.; |
440 |
|
/* average colors */ |
441 |
|
d = c_cmaterial->rd + c_cmaterial->td + ts; |
442 |
|
cvtcolor(radrgb, &c_cmaterial->rd_c, c_cmaterial->rd/d); |
446 |
|
addcolor(radrgb, c2); |
447 |
|
if (c_cmaterial->rs + ts > .0001) |
448 |
|
a5 = (c_cmaterial->rs*c_cmaterial->rs_a + |
449 |
< |
ts*.5*c_cmaterial->ts_a) / |
449 |
> |
ts*a5*c_cmaterial->ts_a) / |
450 |
|
(c_cmaterial->rs + ts); |
451 |
|
a6 = (c_cmaterial->td + ts) / |
452 |
|
(c_cmaterial->rd + c_cmaterial->td + ts); |
461 |
|
ts/(ts + c_cmaterial->td)); |
462 |
|
return(mname); |
463 |
|
} |
464 |
< |
if (c_cmaterial->rs < .01 || isgrey(&c_cmaterial->rs_c)) { /* plastic */ |
464 |
> |
/* check for plastic */ |
465 |
> |
if (c_cmaterial->rs < .01 || c_isgrey(&c_cmaterial->rs_c)) { |
466 |
|
if (c_cmaterial->rs > .999) |
467 |
|
cvtcolor(radrgb, &c_cmaterial->rd_c, 1.); |
468 |
|
else |
498 |
|
{ |
499 |
|
static COLOR ciexyz; |
500 |
|
|
501 |
+ |
c_ccvt(ciec, C_CSXY); /* get xy representation */ |
502 |
|
ciexyz[1] = intensity; |
503 |
|
ciexyz[0] = ciec->cx/ciec->cy*ciexyz[1]; |
504 |
|
ciexyz[2] = ciexyz[1]*(1./ciec->cy - 1.) - ciexyz[0]; |