13 |
|
#include <string.h> |
14 |
|
|
15 |
|
#include "platform.h" |
16 |
+ |
#include "rtprocess.h" /* win_popen() */ |
17 |
+ |
#include "paths.h" |
18 |
|
#include "ray.h" |
17 |
– |
#include "source.h" |
19 |
|
#include "ambient.h" |
20 |
|
#include "otypes.h" |
21 |
+ |
#include "otspecial.h" |
22 |
|
#include "rpaint.h" |
23 |
|
|
24 |
|
extern int psample; /* pixel sample size */ |
26 |
|
|
27 |
|
#define CTRL(c) ((c)-'@') |
28 |
|
|
29 |
< |
#ifdef SMLFLT |
28 |
< |
#define sscanvec(s,v) (sscanf(s,"%f %f %f",v,v+1,v+2)==3) |
29 |
< |
#else |
30 |
< |
#define sscanvec(s,v) (sscanf(s,"%lf %lf %lf",v,v+1,v+2)==3) |
31 |
< |
#endif |
29 |
> |
#define sscanvec(s,v) (sscanf(s,FVFORMAT,v,v+1,v+2)==3) |
30 |
|
|
31 |
|
extern char rifname[128]; /* rad input file name */ |
32 |
|
|
34 |
|
extern char *octname; |
35 |
|
|
36 |
|
|
37 |
< |
extern void |
37 |
> |
void |
38 |
|
getframe( /* get a new frame */ |
39 |
|
char *s |
40 |
|
) |
45 |
|
} |
46 |
|
|
47 |
|
|
48 |
< |
extern void |
48 |
> |
void |
49 |
|
getrepaint( /* get area and repaint */ |
50 |
|
char *s |
51 |
|
) |
54 |
|
|
55 |
|
if (getrect(s, &box) < 0) |
56 |
|
return; |
57 |
< |
paintrect(&ptrunk, 0, 0, hresolu, vresolu, &box); |
57 |
> |
paintrect(&ptrunk, &box); |
58 |
|
} |
59 |
|
|
60 |
|
|
61 |
< |
extern void |
62 |
< |
getview( /* get/show view parameters */ |
61 |
> |
void |
62 |
> |
getview( /* get/show/save view parameters */ |
63 |
|
char *s |
64 |
|
) |
65 |
|
{ |
78 |
|
error(COMMAND, "bad view option(s)"); |
79 |
|
return; |
80 |
|
} |
81 |
< |
if (sscanf(s, "%s", buf) == 1) { /* write parameters to a file */ |
81 |
> |
if (nextword(buf, sizeof(buf), s) != NULL) { /* write to a file */ |
82 |
|
if ((fname = getpath(buf, NULL, 0)) == NULL || |
83 |
|
(fp = fopen(fname, "a")) == NULL) { |
84 |
|
sprintf(errmsg, "cannot open \"%s\"", buf); |
151 |
|
} |
152 |
|
|
153 |
|
|
154 |
< |
extern void |
154 |
> |
void |
155 |
|
lastview( /* return to a previous view */ |
156 |
|
char *s |
157 |
|
) |
160 |
|
char *fname; |
161 |
|
int success; |
162 |
|
VIEW nv; |
163 |
< |
|
164 |
< |
if (sscanf(s, "%s", buf) == 1) { /* get parameters from a file */ |
163 |
> |
/* get parameters from a file */ |
164 |
> |
if (nextword(buf, sizeof(buf), s) != NULL) { |
165 |
|
nv = stdview; |
166 |
|
if ((fname = getpath(buf, "", R_OK)) == NULL || |
167 |
|
(success = viewfile(fname, &nv, NULL)) == -1) { |
182 |
|
nv = ourview; |
183 |
|
ourview = oldview; |
184 |
|
oldview = nv; |
185 |
< |
newimage(); |
185 |
> |
newimage(NULL); |
186 |
|
} |
187 |
|
|
188 |
|
|
189 |
< |
extern void |
189 |
> |
void |
190 |
|
saveview( /* save view to rad file */ |
191 |
|
char *s |
192 |
|
) |
202 |
|
} |
203 |
|
s = sskip(s); |
204 |
|
} |
205 |
< |
while (isspace(*s)) |
208 |
< |
s++; |
209 |
< |
if (*s) |
210 |
< |
atos(rifname, sizeof(rifname), s); |
211 |
< |
else if (rifname[0] == '\0') { |
205 |
> |
if (nextword(rifname, sizeof(rifname), s) == NULL && !rifname[0]) { |
206 |
|
error(COMMAND, "no previous rad file"); |
207 |
|
return; |
208 |
|
} |
220 |
|
} |
221 |
|
|
222 |
|
|
223 |
< |
extern void |
223 |
> |
void |
224 |
|
loadview( /* load view from rad file */ |
225 |
|
char *s |
226 |
|
) |
235 |
|
s = sskip(s); |
236 |
|
else |
237 |
|
strcat(buf, "1"); |
238 |
< |
if (*s) |
245 |
< |
atos(rifname, sizeof(rifname), s); |
246 |
< |
else if (rifname[0] == '\0') { |
238 |
> |
if (nextword(rifname, sizeof(rifname), s) == NULL && !rifname[0]) { |
239 |
|
error(COMMAND, "no previous rad file"); |
240 |
|
return; |
241 |
|
} |
261 |
|
} |
262 |
|
|
263 |
|
|
264 |
< |
extern void |
264 |
> |
void |
265 |
|
getaim( /* aim camera */ |
266 |
|
char *s |
267 |
|
) |
276 |
|
} |
277 |
|
|
278 |
|
|
279 |
< |
extern void |
279 |
> |
void |
280 |
|
getfocus( /* set focus distance */ |
281 |
|
char *s |
282 |
|
) |
283 |
|
{ |
284 |
< |
FVECT vc; |
284 |
> |
char buf[64]; |
285 |
|
double dist; |
286 |
|
|
287 |
|
if (sscanf(s, "%lf", &dist) < 1) { |
308 |
|
return; |
309 |
|
} |
310 |
|
ourview.vdist = dist; |
311 |
+ |
sprintf(buf, "Focus distance set to %f\n", dist); |
312 |
+ |
(*dev->comout)(buf); |
313 |
|
} |
314 |
|
|
315 |
|
|
316 |
< |
extern void |
316 |
> |
void |
317 |
|
getmove( /* move camera */ |
318 |
|
char *s |
319 |
|
) |
327 |
|
} |
328 |
|
|
329 |
|
|
330 |
< |
extern void |
330 |
> |
void |
331 |
|
getrotate( /* rotate camera */ |
332 |
|
char *s |
333 |
|
) |
334 |
|
{ |
335 |
|
VIEW nv = ourview; |
342 |
– |
FVECT v1; |
336 |
|
double angle, elev, zfact; |
337 |
|
|
338 |
|
elev = 0.0; zfact = 1.0; |
341 |
|
return; |
342 |
|
} |
343 |
|
spinvector(nv.vdir, ourview.vdir, ourview.vup, angle*(PI/180.)); |
344 |
< |
if (elev != 0.0) { |
345 |
< |
fcross(v1, nv.vdir, ourview.vup); |
346 |
< |
normalize(v1); |
354 |
< |
spinvector(nv.vdir, nv.vdir, v1, elev*(PI/180.)); |
355 |
< |
} |
344 |
> |
if (elev != 0.0) |
345 |
> |
geodesic(nv.vdir, nv.vdir, nv.vup, elev*(PI/180.), GEOD_RAD); |
346 |
> |
|
347 |
|
zoomview(&nv, zfact); |
348 |
|
newview(&nv); |
349 |
|
} |
350 |
|
|
351 |
|
|
352 |
< |
extern void |
352 |
> |
void |
353 |
|
getpivot( /* pivot viewpoint */ |
354 |
< |
register char *s |
354 |
> |
char *s |
355 |
|
) |
356 |
|
{ |
357 |
|
FVECT vc; |
368 |
|
} |
369 |
|
|
370 |
|
|
371 |
< |
extern void |
371 |
> |
void |
372 |
> |
getorigin( /* origin viewpoint */ |
373 |
> |
char *s |
374 |
> |
) |
375 |
> |
{ |
376 |
> |
VIEW nv = ourview; |
377 |
> |
FVECT voff; |
378 |
> |
int i; |
379 |
> |
double d; |
380 |
> |
/* check for view origin shift */ |
381 |
> |
if (sscanf(s, "%lf", &d) == 1) { |
382 |
> |
double d_fore=d, d_right=0, d_up=0; |
383 |
> |
sscanf(s, "%*f %lf %lf", &d_right, &d_up); |
384 |
> |
d_right /= sqrt(nv.hn2); |
385 |
> |
for (i = 3; i--; ) |
386 |
> |
nv.vp[i] += d_fore*nv.vdir[i] + |
387 |
> |
d_right*nv.hvec[i] + |
388 |
> |
d_up*nv.vup[i]; |
389 |
> |
} else { /* else pick new origin */ |
390 |
> |
int x, y; |
391 |
> |
RAY thisray; |
392 |
> |
if (dev->getcur == NULL) |
393 |
> |
return; |
394 |
> |
(*dev->comout)("Pick point on surface for new origin\n"); |
395 |
> |
if ((*dev->getcur)(&x, &y) == ABORT) |
396 |
> |
return; |
397 |
> |
if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, |
398 |
> |
&ourview, (x+.5)/hresolu, (y+.5)/vresolu)) < -FTINY) { |
399 |
> |
error(COMMAND, "not on image"); |
400 |
> |
return; |
401 |
> |
} |
402 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
403 |
> |
if (!localhit(&thisray, &thescene)) { |
404 |
> |
error(COMMAND, "not a local object"); |
405 |
> |
return; |
406 |
> |
} |
407 |
> |
if (thisray.rod < 0.0) /* don't look through other side */ |
408 |
> |
flipsurface(&thisray); |
409 |
> |
VSUM(nv.vp, thisray.rop, thisray.ron, 20.0*FTINY); |
410 |
> |
VCOPY(nv.vdir, thisray.ron); |
411 |
> |
d = DOT(nv.vdir, nv.vup); |
412 |
> |
if (d*d >= 1.-2.*FTINY) { |
413 |
> |
/* need different up vector */ |
414 |
> |
nv.vup[0] = nv.vup[1] = nv.vup[2] = 0.0; |
415 |
> |
for (i = 3; i--; ) |
416 |
> |
if (nv.vdir[i]*nv.vdir[i] < 0.34) |
417 |
> |
break; |
418 |
> |
nv.vup[i] = 1.; |
419 |
> |
} |
420 |
> |
} |
421 |
> |
newview(&nv); |
422 |
> |
} |
423 |
> |
|
424 |
> |
|
425 |
> |
void |
426 |
|
getexposure( /* get new exposure */ |
427 |
|
char *s |
428 |
|
) |
429 |
|
{ |
430 |
|
char buf[128]; |
431 |
< |
register char *cp; |
387 |
< |
RECT r; |
431 |
> |
char *cp; |
432 |
|
int x, y; |
433 |
< |
register PNODE *p = &ptrunk; |
433 |
> |
PNODE *p = &ptrunk; |
434 |
|
int adapt = 0; |
435 |
|
double e = 1.0; |
436 |
|
|
447 |
|
(*dev->comout)("Pick point for exposure\n"); |
448 |
|
if ((*dev->getcur)(&x, &y) == ABORT) |
449 |
|
return; |
450 |
< |
r.l = r.d = 0; |
407 |
< |
r.r = hresolu; r.u = vresolu; |
408 |
< |
p = findrect(x, y, &ptrunk, &r, -1); |
450 |
> |
p = findrect(x, y, &ptrunk, -1); |
451 |
|
} else { |
452 |
|
if (*cp == '=') { /* absolute setting */ |
453 |
|
p = NULL; |
464 |
|
return; |
465 |
|
} |
466 |
|
} |
467 |
< |
if (*cp == '+' || *cp == '-') /* f-stops */ |
467 |
> |
if ((*cp == '+') | (*cp == '-')) /* f-stops */ |
468 |
|
e *= pow(2.0, atof(cp)); |
469 |
|
else /* multiplier */ |
470 |
|
e *= atof(cp); |
471 |
|
} |
472 |
|
if (p != NULL) { /* relative setting */ |
473 |
+ |
compavg(p); |
474 |
|
if (bright(p->v) < 1e-15) { |
475 |
|
error(COMMAND, "cannot normalize to zero"); |
476 |
|
return; |
489 |
|
|
490 |
|
typedef union {int i; double d; COLOR C;} *MyUptr; |
491 |
|
|
492 |
< |
extern int |
492 |
> |
int |
493 |
|
getparam( /* get variable from user */ |
494 |
|
char *str, |
495 |
|
char *dsc, |
497 |
|
void *p |
498 |
|
) |
499 |
|
{ |
500 |
< |
register MyUptr ptr = (MyUptr)p; |
500 |
> |
MyUptr ptr = (MyUptr)p; |
501 |
|
int i0; |
502 |
|
double d0, d1, d2; |
503 |
|
char buf[48]; |
512 |
|
if (sscanf(buf, "%d", &i0) != 1) |
513 |
|
return(0); |
514 |
|
} |
515 |
+ |
if (ptr->i == i0) |
516 |
+ |
return(0); |
517 |
|
ptr->i = i0; |
518 |
< |
return(1); |
518 |
> |
break; |
519 |
|
case 'r': /* real */ |
520 |
|
if (sscanf(str, "%lf", &d0) != 1) { |
521 |
|
(*dev->comout)(dsc); |
525 |
|
if (sscanf(buf, "%lf", &d0) != 1) |
526 |
|
return(0); |
527 |
|
} |
528 |
+ |
if (FRELEQ(ptr->d, d0)) |
529 |
+ |
return(0); |
530 |
|
ptr->d = d0; |
531 |
< |
return(1); |
531 |
> |
break; |
532 |
|
case 'b': /* boolean */ |
533 |
|
if (sscanf(str, "%1s", buf) != 1) { |
534 |
|
(*dev->comout)(dsc); |
535 |
|
sprintf(buf, "? (%c): ", ptr->i ? 'y' : 'n'); |
536 |
|
(*dev->comout)(buf); |
537 |
|
(*dev->comin)(buf, NULL); |
538 |
< |
if (buf[0] == '\0' || |
492 |
< |
strchr("yY+1tTnN-0fF", buf[0]) == NULL) |
538 |
> |
if (buf[0] == '\0') |
539 |
|
return(0); |
540 |
|
} |
541 |
< |
ptr->i = strchr("yY+1tT", buf[0]) != NULL; |
542 |
< |
return(1); |
541 |
> |
if (strchr("yY+1tTnN-0fF", buf[0]) == NULL) |
542 |
> |
return(0); |
543 |
> |
i0 = strchr("yY+1tT", buf[0]) != NULL; |
544 |
> |
if (ptr->i == i0) |
545 |
> |
return(0); |
546 |
> |
ptr->i = i0; |
547 |
> |
break; |
548 |
|
case 'C': /* color */ |
549 |
|
if (sscanf(str, "%lf %lf %lf", &d0, &d1, &d2) != 3) { |
550 |
|
(*dev->comout)(dsc); |
557 |
|
if (sscanf(buf, "%lf %lf %lf", &d0, &d1, &d2) != 3) |
558 |
|
return(0); |
559 |
|
} |
560 |
+ |
if (FRELEQ(colval(ptr->C,RED), d0) && |
561 |
+ |
FRELEQ(colval(ptr->C,GRN), d1) && |
562 |
+ |
FRELEQ(colval(ptr->C,BLU), d2)) |
563 |
+ |
return(0); |
564 |
|
setcolor(ptr->C, d0, d1, d2); |
565 |
< |
return(1); |
565 |
> |
break; |
566 |
> |
default: |
567 |
> |
return(0); /* shouldn't happen */ |
568 |
|
} |
569 |
< |
return 0; /* nothing matched */ |
569 |
> |
newparam++; |
570 |
> |
return(1); |
571 |
|
} |
572 |
|
|
573 |
|
|
574 |
< |
extern void |
574 |
> |
void |
575 |
|
setparam( /* get/set program parameter */ |
576 |
< |
register char *s |
576 |
> |
char *s |
577 |
|
) |
578 |
|
{ |
579 |
+ |
int prev_newp = newparam; |
580 |
|
char buf[128]; |
581 |
|
|
582 |
|
if (s[0] == '\0') { |
583 |
|
(*dev->comout)( |
584 |
< |
"aa ab ad ar as av aw b bv dc dv dj ds dt i lr lw me ma mg ms ps pt sj st u: "); |
584 |
> |
"aa ab ad ar as av aw b bv dc dv dj ds dt i lr lw me ma mg ms ps pt ss st u: "); |
585 |
|
(*dev->comin)(buf, NULL); |
586 |
|
s = buf; |
587 |
|
} |
593 |
|
case 'l': /* limit */ |
594 |
|
switch (s[1]) { |
595 |
|
case 'w': /* weight */ |
596 |
< |
getparam(s+2, "limit weight", 'r', |
538 |
< |
(void *)&minweight); |
596 |
> |
getparam(s+2, "limit weight", 'r', &minweight); |
597 |
|
break; |
598 |
|
case 'r': /* reflection */ |
599 |
< |
getparam(s+2, "limit reflection", 'i', |
542 |
< |
(void *)&maxdepth); |
599 |
> |
getparam(s+2, "limit reflection", 'i', &maxdepth); |
600 |
|
break; |
601 |
|
default: |
602 |
|
goto badparam; |
605 |
|
case 'd': /* direct */ |
606 |
|
switch (s[1]) { |
607 |
|
case 'j': /* jitter */ |
608 |
< |
getparam(s+2, "direct jitter", 'r', |
552 |
< |
(void *)&dstrsrc); |
608 |
> |
getparam(s+2, "direct jitter", 'r', &dstrsrc); |
609 |
|
break; |
610 |
|
case 'c': /* certainty */ |
611 |
< |
getparam(s+2, "direct certainty", 'r', |
556 |
< |
(void *)&shadcert); |
611 |
> |
getparam(s+2, "direct certainty", 'r', &shadcert); |
612 |
|
break; |
613 |
|
case 't': /* threshold */ |
614 |
< |
getparam(s+2, "direct threshold", 'r', |
560 |
< |
(void *)&shadthresh); |
614 |
> |
getparam(s+2, "direct threshold", 'r', &shadthresh); |
615 |
|
break; |
616 |
|
case 'v': /* visibility */ |
617 |
< |
getparam(s+2, "direct visibility", 'b', |
564 |
< |
(void *)&directvis); |
617 |
> |
getparam(s+2, "direct visibility", 'b', &directvis); |
618 |
|
break; |
619 |
|
case 's': /* sampling */ |
620 |
< |
getparam(s+2, "direct sampling", 'r', |
568 |
< |
(void *)&srcsizerat); |
620 |
> |
getparam(s+2, "direct sampling", 'r', &srcsizerat); |
621 |
|
break; |
622 |
|
default: |
623 |
|
goto badparam; |
633 |
|
case ' ': |
634 |
|
case 'y': case 'Y': case 't': case 'T': case '1': case '+': |
635 |
|
case 'n': case 'N': case 'f': case 'F': case '0': case '-': |
636 |
< |
getparam(s+1, "black and white", 'b', |
637 |
< |
(void *)&greyscale); |
636 |
> |
getparam(s+1, "black and white", 'b', &greyscale); |
637 |
> |
newparam = prev_newp; |
638 |
|
break; |
639 |
|
default: |
640 |
|
goto badparam; |
641 |
|
} |
642 |
|
break; |
643 |
|
case 'i': /* irradiance */ |
644 |
< |
getparam(s+1, "irradiance", 'b', |
593 |
< |
(void *)&do_irrad); |
644 |
> |
getparam(s+1, "irradiance", 'b', &do_irrad); |
645 |
|
break; |
646 |
|
case 'a': /* ambient */ |
647 |
|
switch (s[1]) { |
648 |
|
case 'v': /* value */ |
649 |
< |
getparam(s+2, "ambient value", 'C', |
599 |
< |
(void *)ambval); |
649 |
> |
getparam(s+2, "ambient value", 'C', ambval); |
650 |
|
break; |
651 |
|
case 'w': /* weight */ |
652 |
< |
getparam(s+2, "ambient value weight", 'i', |
603 |
< |
(void *)&ambvwt); |
652 |
> |
getparam(s+2, "ambient value weight", 'i', &ambvwt); |
653 |
|
break; |
654 |
|
case 'a': /* accuracy */ |
655 |
< |
if (getparam(s+2, "ambient accuracy", 'r', |
607 |
< |
(void *)&ambacc)) |
655 |
> |
if (getparam(s+2, "ambient accuracy", 'r', &ambacc)) |
656 |
|
setambacc(ambacc); |
657 |
|
break; |
658 |
|
case 'd': /* divisions */ |
659 |
< |
getparam(s+2, "ambient divisions", 'i', |
612 |
< |
(void *)&ambdiv); |
659 |
> |
getparam(s+2, "ambient divisions", 'i', &ambdiv); |
660 |
|
break; |
661 |
|
case 's': /* samples */ |
662 |
< |
getparam(s+2, "ambient super-samples", 'i', |
616 |
< |
(void *)&ambssamp); |
662 |
> |
getparam(s+2, "ambient super-samples", 'i', &ambssamp); |
663 |
|
break; |
664 |
|
case 'b': /* bounces */ |
665 |
< |
getparam(s+2, "ambient bounces", 'i', |
620 |
< |
(void *)&ambounce); |
665 |
> |
getparam(s+2, "ambient bounces", 'i', &ambounce); |
666 |
|
break; |
667 |
|
case 'r': |
668 |
< |
if (getparam(s+2, "ambient resolution", 'i', |
624 |
< |
(void *)&ambres)) |
668 |
> |
if (getparam(s+2, "ambient resolution", 'i', &ambres)) |
669 |
|
setambres(ambres); |
670 |
|
break; |
671 |
|
default: |
675 |
|
case 'm': /* medium */ |
676 |
|
switch (s[1]) { |
677 |
|
case 'e': /* extinction coefficient */ |
678 |
< |
getparam(s+2, "extinction coefficient", 'C', |
635 |
< |
(void *)cextinction); |
678 |
> |
getparam(s+2, "extinction coefficient", 'C', cextinction); |
679 |
|
break; |
680 |
|
case 'a': /* scattering albedo */ |
681 |
< |
getparam(s+2, "scattering albedo", 'C', |
639 |
< |
(void *)salbedo); |
681 |
> |
getparam(s+2, "scattering albedo", 'C', salbedo); |
682 |
|
break; |
683 |
|
case 'g': /* scattering eccentricity */ |
684 |
< |
getparam(s+2, "scattering eccentricity", 'r', |
643 |
< |
(void *)&seccg); |
684 |
> |
getparam(s+2, "scattering eccentricity", 'r', &seccg); |
685 |
|
break; |
686 |
|
case 's': /* sampling distance */ |
687 |
< |
getparam(s+2, "mist sampling distance", 'r', |
647 |
< |
(void *)&ssampdist); |
687 |
> |
getparam(s+2, "mist sampling distance", 'r', &ssampdist); |
688 |
|
break; |
689 |
|
default: |
690 |
|
goto badparam; |
693 |
|
case 'p': /* pixel */ |
694 |
|
switch (s[1]) { |
695 |
|
case 's': /* sample */ |
696 |
< |
if (getparam(s+2, "pixel sample", 'i', |
657 |
< |
(void *)&psample)) |
696 |
> |
if (getparam(s+2, "pixel sample", 'i', &psample)) |
697 |
|
pdepth = 0; |
698 |
|
break; |
699 |
|
case 't': /* threshold */ |
700 |
< |
if (getparam(s+2, "pixel threshold", 'r', |
662 |
< |
(void *)&maxdiff)) |
700 |
> |
if (getparam(s+2, "pixel threshold", 'r', &maxdiff)) |
701 |
|
pdepth = 0; |
702 |
|
break; |
703 |
|
default: |
704 |
|
goto badparam; |
705 |
|
} |
706 |
+ |
newparam = prev_newp; |
707 |
|
break; |
708 |
|
case 's': /* specular */ |
709 |
|
switch (s[1]) { |
710 |
< |
case 'j': /* jitter */ |
711 |
< |
getparam(s+2, "specular jitter", 'r', |
673 |
< |
(void *)&specjitter); |
710 |
> |
case 's': /* sampling */ |
711 |
> |
getparam(s+2, "specular sampling", 'r', &specjitter); |
712 |
|
break; |
713 |
|
case 't': /* threshold */ |
714 |
< |
getparam(s+2, "specular threshold", 'r', |
677 |
< |
(void *)&specthresh); |
714 |
> |
getparam(s+2, "specular threshold", 'r', &specthresh); |
715 |
|
break; |
716 |
|
default: |
717 |
|
goto badparam; |
729 |
|
} |
730 |
|
|
731 |
|
|
732 |
< |
extern void |
733 |
< |
traceray(s) /* trace a single ray */ |
734 |
< |
char *s; |
732 |
> |
void |
733 |
> |
traceray( /* trace a single ray */ |
734 |
> |
char *s |
735 |
> |
) |
736 |
|
{ |
737 |
< |
char buf[128]; |
738 |
< |
int x, y; |
739 |
< |
OBJREC *ino; |
702 |
< |
RAY thisray; |
737 |
> |
RAY thisray; |
738 |
> |
char buf[512]; |
739 |
> |
COLOR col; |
740 |
|
|
741 |
|
thisray.rmax = 0.0; |
742 |
|
|
743 |
|
if (!sscanvec(s, thisray.rorg) || |
744 |
|
!sscanvec(sskip2(s,3), thisray.rdir)) { |
745 |
+ |
int x, y; |
746 |
|
|
747 |
|
if (dev->getcur == NULL) |
748 |
|
return; |
761 |
|
return; |
762 |
|
} |
763 |
|
|
764 |
< |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
727 |
< |
|
728 |
< |
rayvalue(&thisray); |
764 |
> |
ray_trace(&thisray); |
765 |
|
|
766 |
|
if (thisray.ro == NULL) |
767 |
|
(*dev->comout)("ray hit nothing"); |
769 |
|
OBJREC *mat = NULL; |
770 |
|
OBJREC *mod = NULL; |
771 |
|
char matspec[256]; |
772 |
+ |
OBJREC *ino; |
773 |
+ |
|
774 |
|
matspec[0] = '\0'; |
775 |
|
if (thisray.ro->omod != OVOID) { |
776 |
|
mod = objptr(thisray.ro->omod); |
777 |
< |
mat = findmaterial(mod); |
777 |
> |
mat = findmaterial(thisray.ro); |
778 |
|
} |
779 |
|
if (thisray.rod < 0.0) |
780 |
|
strcpy(matspec, "back of "); |
793 |
|
ofun[ino->otype].funame, ino->oname); |
794 |
|
(*dev->comout)(buf); |
795 |
|
(*dev->comin)(buf, NULL); |
796 |
< |
if (thisray.rot >= FHUGE) |
796 |
> |
if (thisray.rot >= FHUGE*.99) |
797 |
|
(*dev->comout)("at infinity"); |
798 |
|
else { |
799 |
< |
sprintf(buf, "at (%.6g %.6g %.6g) (%.6g)", |
799 |
> |
sprintf(buf, "at (%.3f %.3f %.3f) (%.6g)", |
800 |
|
thisray.rop[0], thisray.rop[1], |
801 |
< |
thisray.rop[2], thisray.rt); |
801 |
> |
thisray.rop[2], raydistance(&thisray)); |
802 |
|
(*dev->comout)(buf); |
803 |
|
} |
804 |
|
(*dev->comin)(buf, NULL); |
805 |
< |
sprintf(buf, "value (%.5g %.5g %.5g) (%.3gL)", |
806 |
< |
colval(thisray.rcol,RED), |
807 |
< |
colval(thisray.rcol,GRN), |
808 |
< |
colval(thisray.rcol,BLU), |
809 |
< |
luminance(thisray.rcol)); |
805 |
> |
scolor_rgb(col, thisray.rcol); |
806 |
> |
sprintf(buf, "value (%.4g %.4g %.4g) (%.3gL)", |
807 |
> |
colval(col,RED), |
808 |
> |
colval(col,GRN), |
809 |
> |
colval(col,BLU), |
810 |
> |
luminance(col)); |
811 |
|
(*dev->comout)(buf); |
812 |
|
} |
813 |
|
(*dev->comin)(buf, NULL); |
814 |
|
} |
815 |
|
|
816 |
|
|
817 |
< |
extern void |
818 |
< |
writepict(s) /* write the picture to a file */ |
819 |
< |
char *s; |
817 |
> |
void |
818 |
> |
writepict( /* write the picture to a file */ |
819 |
> |
char *s |
820 |
> |
) |
821 |
|
{ |
822 |
|
static char buf[128]; |
823 |
|
char *fname; |
824 |
|
FILE *fp; |
825 |
|
COLR *scanline; |
826 |
|
int y; |
827 |
< |
|
828 |
< |
while (isspace(*s)) |
789 |
< |
s++; |
790 |
< |
if (*s) |
791 |
< |
atos(buf, sizeof(buf), s); |
792 |
< |
else if (buf[0] == '\0') { |
827 |
> |
/* XXX relies on words.c 2.11 behavior */ |
828 |
> |
if (nextword(buf, sizeof(buf), s) == NULL && !buf[0]) { |
829 |
|
error(COMMAND, "no file"); |
830 |
|
return; |
831 |
|
} |
853 |
|
fputexpos(exposure, fp); |
854 |
|
if (dev->pixaspect != 1.0) |
855 |
|
fputaspect(dev->pixaspect, fp); |
856 |
+ |
fputprims(stdprims, fp); |
857 |
|
fputformat(COLRFMT, fp); |
858 |
|
putc('\n', fp); |
859 |
|
fprtresolu(hresolu, vresolu, fp); |