74 |
|
|
75 |
|
int backvis = 1; /* back face visibility */ |
76 |
|
|
77 |
< |
int maxdepth = 8; /* maximum recursion depth */ |
77 |
> |
int maxdepth = -10; /* maximum recursion depth */ |
78 |
|
double minweight = 2e-3; /* minimum ray weight */ |
79 |
|
|
80 |
|
char *ambfile = NULL; /* ambient file name */ |
96 |
|
static putf_t puta, putd, putf; |
97 |
|
|
98 |
|
typedef void oputf_t(RAY *r); |
99 |
< |
static oputf_t oputo, oputd, oputv, oputl, oputL, oputc, |
100 |
< |
oputp, oputn, oputN, oputs, oputw, oputm; |
99 |
> |
static oputf_t oputo, oputd, oputv, oputl, oputL, oputc, oputp, |
100 |
> |
oputn, oputN, oputs, oputw, oputW, oputm, oputM, oputtilde; |
101 |
|
|
102 |
|
static void setoutput(char *vs); |
103 |
|
static void tranotify(OBJECT obj); |
160 |
|
sprintf(errmsg, "cannot open input file \"%s\"", fname); |
161 |
|
error(SYSTEM, errmsg); |
162 |
|
} |
163 |
– |
#ifdef _WIN32 |
163 |
|
if (inform != 'a') |
164 |
|
SET_FILE_BINARY(fp); |
166 |
– |
#endif |
165 |
|
/* set up output */ |
166 |
|
setoutput(outvals); |
167 |
|
switch (outform) { |
211 |
|
} |
212 |
|
fflush(stdout); |
213 |
|
if (vcount > 0) |
214 |
< |
error(USER, "read error"); |
214 |
> |
error(USER, "unexpected EOF on input"); |
215 |
|
if (fname != NULL) |
216 |
|
fclose(fp); |
217 |
|
} |
218 |
|
|
219 |
|
|
220 |
|
static void |
221 |
+ |
trace_sources(void) /* trace rays to light sources, also */ |
222 |
+ |
{ |
223 |
+ |
int sn; |
224 |
+ |
|
225 |
+ |
for (sn = 0; sn < nsources; sn++) |
226 |
+ |
source[sn].sflags |= SFOLLOW; |
227 |
+ |
} |
228 |
+ |
|
229 |
+ |
|
230 |
+ |
static void |
231 |
|
setoutput( /* set up output tables */ |
232 |
|
register char *vs |
233 |
|
) |
237 |
|
castonly = 1; |
238 |
|
while (*vs) |
239 |
|
switch (*vs++) { |
240 |
+ |
case 'T': /* trace sources */ |
241 |
+ |
if (!*vs) break; |
242 |
+ |
trace_sources(); |
243 |
+ |
/* fall through */ |
244 |
|
case 't': /* trace */ |
245 |
+ |
if (!*vs) break; |
246 |
|
*table = NULL; |
247 |
|
table = every_out; |
248 |
|
trace = ourtrace; |
284 |
|
case 'w': /* weight */ |
285 |
|
*table++ = oputw; |
286 |
|
break; |
287 |
+ |
case 'W': /* coefficient */ |
288 |
+ |
*table++ = oputW; |
289 |
+ |
if (ambounce > 0 && (ambacc > FTINY || ambssamp > 0)) |
290 |
+ |
error(WARNING, |
291 |
+ |
"-otW accuracy depends on -aa 0 -as 0"); |
292 |
+ |
break; |
293 |
|
case 'm': /* modifier */ |
294 |
|
*table++ = oputm; |
295 |
|
break; |
296 |
+ |
case 'M': /* material */ |
297 |
+ |
*table++ = oputM; |
298 |
+ |
break; |
299 |
+ |
case '~': /* tilde */ |
300 |
+ |
*table++ = oputtilde; |
301 |
+ |
break; |
302 |
|
} |
303 |
|
*table = NULL; |
304 |
|
} |
309 |
|
{ |
310 |
|
thisray.rorg[0] = thisray.rorg[1] = thisray.rorg[2] = |
311 |
|
thisray.rdir[0] = thisray.rdir[1] = thisray.rdir[2] = 0.0; |
312 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
312 |
> |
thisray.rmax = 0.0; |
313 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
314 |
|
printvals(&thisray); |
315 |
|
} |
316 |
|
|
325 |
|
VCOPY(thisray.rorg, org); |
326 |
|
VCOPY(thisray.rdir, dir); |
327 |
|
thisray.rmax = dmax; |
328 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
328 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
329 |
|
if (castonly) { |
330 |
|
if (!localhit(&thisray, &thescene)) { |
331 |
|
if (thisray.ro == &Aftplane) { /* clipped */ |
352 |
|
thisray.rorg[i] = org[i] + dir[i]; |
353 |
|
thisray.rdir[i] = -dir[i]; |
354 |
|
} |
355 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
355 |
> |
thisray.rmax = 0.0; |
356 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
357 |
|
/* pretend we hit surface */ |
358 |
|
thisray.rot = 1.0-1e-4; |
359 |
|
thisray.rod = 1.0; |
466 |
|
tabin(r); |
467 |
|
for (tp = every_out; *tp != NULL; tp++) |
468 |
|
(**tp)(r); |
469 |
< |
putchar('\n'); |
469 |
> |
if (outform == 'a') |
470 |
> |
putchar('\n'); |
471 |
|
} |
472 |
|
|
473 |
|
|
476 |
|
RAY *r |
477 |
|
) |
478 |
|
{ |
479 |
< |
register RAY *rp; |
479 |
> |
const RAY *rp; |
480 |
|
|
481 |
|
for (rp = r->parent; rp != NULL; rp = rp->parent) |
482 |
|
putchar('\t'); |
510 |
|
RAY *r |
511 |
|
) |
512 |
|
{ |
485 |
– |
COLR cout; |
486 |
– |
|
513 |
|
if (outform == 'c') { |
514 |
+ |
COLR cout; |
515 |
|
setcolr(cout, colval(r->rcol,RED), |
516 |
|
colval(r->rcol,GRN), |
517 |
|
colval(r->rcol,BLU)); |
629 |
|
|
630 |
|
|
631 |
|
static void |
632 |
+ |
oputW( /* print contribution */ |
633 |
+ |
RAY *r |
634 |
+ |
) |
635 |
+ |
{ |
636 |
+ |
COLOR contr; |
637 |
+ |
|
638 |
+ |
raycontrib(contr, r, PRIMARY); |
639 |
+ |
(*putreal)(colval(contr,RED)); |
640 |
+ |
(*putreal)(colval(contr,GRN)); |
641 |
+ |
(*putreal)(colval(contr,BLU)); |
642 |
+ |
} |
643 |
+ |
|
644 |
+ |
|
645 |
+ |
static void |
646 |
|
oputm( /* print modifier */ |
647 |
|
RAY *r |
648 |
|
) |
655 |
|
else |
656 |
|
putchar('*'); |
657 |
|
putchar('\t'); |
658 |
+ |
} |
659 |
+ |
|
660 |
+ |
|
661 |
+ |
static void |
662 |
+ |
oputM( /* print material */ |
663 |
+ |
RAY *r |
664 |
+ |
) |
665 |
+ |
{ |
666 |
+ |
OBJREC *mat; |
667 |
+ |
|
668 |
+ |
if (r->ro != NULL) { |
669 |
+ |
if ((mat = findmaterial(r->ro)) != NULL) |
670 |
+ |
fputs(mat->oname, stdout); |
671 |
+ |
else |
672 |
+ |
fputs(VOIDID, stdout); |
673 |
+ |
} else |
674 |
+ |
putchar('*'); |
675 |
+ |
putchar('\t'); |
676 |
+ |
} |
677 |
+ |
|
678 |
+ |
|
679 |
+ |
static void |
680 |
+ |
oputtilde( /* output tilde (spacer) */ |
681 |
+ |
RAY *r |
682 |
+ |
) |
683 |
+ |
{ |
684 |
+ |
fputs("~\t", stdout); |
685 |
|
} |
686 |
|
|
687 |
|
|