| 27 |
|
|
| 28 |
|
initstypes() /* initialize source dispatch table */ |
| 29 |
|
{ |
| 30 |
< |
extern VSMATERIAL mirror_vs; |
| 30 |
> |
extern VSMATERIAL mirror_vs, direct1_vs, direct2_vs; |
| 31 |
|
extern int fsetsrc(), ssetsrc(), sphsetsrc(), rsetsrc(); |
| 32 |
|
extern double fgetplaneq(), rgetplaneq(); |
| 33 |
|
extern double fgetmaxdisk(), rgetmaxdisk(); |
| 37 |
|
static SOBJECT rsobj = {rsetsrc, rgetplaneq, rgetmaxdisk}; |
| 38 |
|
|
| 39 |
|
sfun[MAT_MIRROR].mf = &mirror_vs; |
| 40 |
+ |
sfun[MAT_DIRECT1].mf = &direct1_vs; |
| 41 |
+ |
sfun[MAT_DIRECT2].mf = &direct2_vs; |
| 42 |
|
sfun[OBJ_FACE].of = &fsobj; |
| 43 |
|
sfun[OBJ_SOURCE].of = &ssobj; |
| 44 |
|
sfun[OBJ_SPHERE].of = &sphsobj; |
| 290 |
|
|
| 291 |
|
d = DOT(sp->aim, nrm); |
| 292 |
|
if (d > FTINY) /* center in front? */ |
| 293 |
< |
return(0); |
| 293 |
> |
return(1); |
| 294 |
|
/* else check horizon */ |
| 295 |
|
d1 = 1. - sp->siz/(2.*PI); |
| 296 |
< |
return(1.-FTINY-d*d > d1*d1); |
| 296 |
> |
return(1.-FTINY-d*d < d1*d1); |
| 297 |
|
} |
| 298 |
|
|
| 299 |
|
|
| 419 |
|
r->rsrc>=0 && \ |
| 420 |
|
source[r->rsrc].so!=r->ro) |
| 421 |
|
|
| 422 |
+ |
#define distglow(m, r) (m->otype==MAT_GLOW && \ |
| 423 |
+ |
r->rot > m->oargs.farg[3]) |
| 424 |
+ |
|
| 425 |
|
#define badambient(m, r) ((r->crtype&(AMBIENT|SHADOW))==AMBIENT && \ |
| 426 |
< |
!(m->otype==MAT_GLOW&&r->rot>m->oargs.farg[3])) |
| 426 |
> |
!distglow(m, r)) |
| 427 |
|
|
| 428 |
|
#define passillum(m, r) (m->otype==MAT_ILLUM && \ |
| 429 |
|
!(r->rsrc>=0&&source[r->rsrc].so==r->ro)) |
| 430 |
|
|
| 431 |
+ |
#define srcignore(m, r) (directinvis && !(r->crtype&SHADOW) && \ |
| 432 |
+ |
!distglow(m, r)) |
| 433 |
|
|
| 434 |
+ |
|
| 435 |
|
m_light(m, r) /* ray hit a light source */ |
| 436 |
|
register OBJREC *m; |
| 437 |
|
register RAY *r; |
| 441 |
|
return; |
| 442 |
|
/* check for passed illum */ |
| 443 |
|
if (passillum(m, r)) { |
| 436 |
– |
|
| 444 |
|
if (m->oargs.nsargs < 1 || !strcmp(m->oargs.sarg[0], VOIDID)) |
| 445 |
|
raytrans(r); |
| 446 |
|
else |
| 447 |
|
rayshade(r, modifier(m->oargs.sarg[0])); |
| 448 |
< |
|
| 449 |
< |
/* otherwise treat as source */ |
| 450 |
< |
} else { |
| 448 |
> |
return; |
| 449 |
> |
} |
| 450 |
> |
/* otherwise treat as source */ |
| 451 |
|
/* check for behind */ |
| 452 |
< |
if (r->rod < 0.0) |
| 453 |
< |
return; |
| 452 |
> |
if (r->rod < 0.0) |
| 453 |
> |
return; |
| 454 |
> |
/* check for invisibility */ |
| 455 |
> |
if (srcignore(m, r)) |
| 456 |
> |
return; |
| 457 |
|
/* get distribution pattern */ |
| 458 |
< |
raytexture(r, m->omod); |
| 458 |
> |
raytexture(r, m->omod); |
| 459 |
|
/* get source color */ |
| 460 |
< |
setcolor(r->rcol, m->oargs.farg[0], |
| 461 |
< |
m->oargs.farg[1], |
| 462 |
< |
m->oargs.farg[2]); |
| 460 |
> |
setcolor(r->rcol, m->oargs.farg[0], |
| 461 |
> |
m->oargs.farg[1], |
| 462 |
> |
m->oargs.farg[2]); |
| 463 |
|
/* modify value */ |
| 464 |
< |
multcolor(r->rcol, r->pcol); |
| 455 |
< |
} |
| 464 |
> |
multcolor(r->rcol, r->pcol); |
| 465 |
|
} |
