| 16 |
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| 17 |
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#include "otypes.h" |
| 18 |
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|
| 19 |
+ |
#include "otspecial.h" |
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|
| 21 |
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extern CUBE thescene; /* our scene */ |
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extern int maxdepth; /* maximum recursion depth */ |
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extern double minweight; /* minimum ray weight */ |
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+ |
extern int do_irrad; /* compute irradiance? */ |
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|
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long nrays = 0L; /* number of rays traced */ |
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|
| 28 |
+ |
static double Lambfa[5] = {PI, PI, PI, 0.0, 0.0}; |
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OBJREC Lamb = { |
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OVOID, MAT_PLASTIC, "Lambertian", |
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+ |
{0, 5, NULL, Lambfa}, NULL, -1, |
| 32 |
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}; /* a Lambertian surface */ |
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|
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#define MAXLOOP 128 /* modifier loop detection */ |
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|
| 36 |
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#define RAYHIT (-1) /* return value for intercepted ray */ |
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r->newcset = r->clipset; |
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r->ro = NULL; |
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r->rot = FHUGE; |
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r->rox = NULL; |
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r->pert[0] = r->pert[1] = r->pert[2] = 0.0; |
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setcolor(r->pcol, 1.0, 1.0, 1.0); |
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setcolor(r->rcol, 0.0, 0.0, 0.0); |
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{ |
| 79 |
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extern int (*trace)(); |
| 80 |
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|
| 81 |
< |
if (localhit(r, &thescene) || sourcehit(r)) |
| 81 |
> |
if (localhit(r, &thescene)) |
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raycont(r); |
| 83 |
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else if (sourcehit(r)) |
| 84 |
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rayshade(r, r->ro->omod); |
| 85 |
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|
| 86 |
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if (trace != NULL) |
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(*trace)(r); /* trace execution */ |
| 118 |
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{ |
| 119 |
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static int depth = 0; |
| 120 |
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register OBJREC *m; |
| 121 |
+ |
/* check for irradiance calc. */ |
| 122 |
+ |
if (do_irrad && !(r->crtype & ~(PRIMARY|TRANS))) { |
| 123 |
+ |
if (irr_ignore(objptr(mod)->otype)) |
| 124 |
+ |
raytrans(r); |
| 125 |
+ |
else |
| 126 |
+ |
(*ofun[Lamb.otype].funp)(&Lamb, r); |
| 127 |
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return; |
| 128 |
+ |
} |
| 129 |
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/* check for infinite loop */ |
| 130 |
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if (depth++ >= MAXLOOP) |
| 131 |
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objerror(r->ro, USER, "possible modifier loop"); |
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if (rp->rox == &xp->xf) { /* xp in use */ |
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xp = xp->next; /* move to next */ |
| 273 |
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if (xp == xflast) { /* need new one */ |
| 274 |
< |
xp = (struct xfn *)malloc(sizeof(struct xfn)); |
| 274 |
> |
xp = (struct xfn *)bmalloc(sizeof(struct xfn)); |
| 275 |
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if (xp == NULL) |
| 276 |
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error(SYSTEM, |
| 277 |
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"out of memory in newrayxf"); |