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 |
|
|
59 |
|
|
60 |
|
|
61 |
|
void |
62 |
< |
getview( /* get/show view parameters */ |
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); |
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) { |
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 |
|
} |
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 |
|
} |
333 |
|
) |
334 |
|
{ |
335 |
|
VIEW nv = ourview; |
344 |
– |
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); |
356 |
< |
spinvector(nv.vdir, nv.vdir, v1, elev*(PI/180.)); |
357 |
< |
} |
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 |
|
} |
369 |
|
|
370 |
|
|
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 |
|
) |
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); |
488 |
|
} |
489 |
|
|
490 |
|
typedef union {int i; double d; COLOR C;} *MyUptr; |
448 |
– |
#define FEQ(x,y) (fabs((x)-(y)) <= FTINY) |
491 |
|
|
492 |
|
int |
493 |
|
getparam( /* get variable from user */ |
525 |
|
if (sscanf(buf, "%lf", &d0) != 1) |
526 |
|
return(0); |
527 |
|
} |
528 |
< |
if (FEQ(ptr->d, d0)) |
528 |
> |
if (FRELEQ(ptr->d, d0)) |
529 |
|
return(0); |
530 |
|
ptr->d = d0; |
531 |
|
break; |
557 |
|
if (sscanf(buf, "%lf %lf %lf", &d0, &d1, &d2) != 3) |
558 |
|
return(0); |
559 |
|
} |
560 |
< |
if (FEQ(colval(ptr->C,RED), d0) && |
561 |
< |
FEQ(colval(ptr->C,GRN), d1) && |
562 |
< |
FEQ(colval(ptr->C,BLU), d2)) |
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 |
|
break; |
593 |
|
case 'l': /* limit */ |
594 |
|
switch (s[1]) { |
595 |
|
case 'w': /* weight */ |
596 |
< |
getparam(s+2, "limit weight", 'r', |
555 |
< |
(void *)&minweight); |
596 |
> |
getparam(s+2, "limit weight", 'r', &minweight); |
597 |
|
break; |
598 |
|
case 'r': /* reflection */ |
599 |
< |
getparam(s+2, "limit reflection", 'i', |
559 |
< |
(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', |
569 |
< |
(void *)&dstrsrc); |
608 |
> |
getparam(s+2, "direct jitter", 'r', &dstrsrc); |
609 |
|
break; |
610 |
|
case 'c': /* certainty */ |
611 |
< |
getparam(s+2, "direct certainty", 'r', |
573 |
< |
(void *)&shadcert); |
611 |
> |
getparam(s+2, "direct certainty", 'r', &shadcert); |
612 |
|
break; |
613 |
|
case 't': /* threshold */ |
614 |
< |
getparam(s+2, "direct threshold", 'r', |
577 |
< |
(void *)&shadthresh); |
614 |
> |
getparam(s+2, "direct threshold", 'r', &shadthresh); |
615 |
|
break; |
616 |
|
case 'v': /* visibility */ |
617 |
< |
getparam(s+2, "direct visibility", 'b', |
581 |
< |
(void *)&directvis); |
617 |
> |
getparam(s+2, "direct visibility", 'b', &directvis); |
618 |
|
break; |
619 |
|
case 's': /* sampling */ |
620 |
< |
getparam(s+2, "direct sampling", 'r', |
585 |
< |
(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', |
602 |
< |
(void *)&greyscale); |
636 |
> |
getparam(s+1, "black and white", 'b', &greyscale); |
637 |
|
newparam = prev_newp; |
638 |
|
break; |
639 |
|
default: |
641 |
|
} |
642 |
|
break; |
643 |
|
case 'i': /* irradiance */ |
644 |
< |
getparam(s+1, "irradiance", 'b', |
611 |
< |
(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', |
617 |
< |
(void *)ambval); |
649 |
> |
getparam(s+2, "ambient value", 'C', ambval); |
650 |
|
break; |
651 |
|
case 'w': /* weight */ |
652 |
< |
getparam(s+2, "ambient value weight", 'i', |
621 |
< |
(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', |
625 |
< |
(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', |
630 |
< |
(void *)&ambdiv); |
659 |
> |
getparam(s+2, "ambient divisions", 'i', &ambdiv); |
660 |
|
break; |
661 |
|
case 's': /* samples */ |
662 |
< |
getparam(s+2, "ambient super-samples", 'i', |
634 |
< |
(void *)&ambssamp); |
662 |
> |
getparam(s+2, "ambient super-samples", 'i', &ambssamp); |
663 |
|
break; |
664 |
|
case 'b': /* bounces */ |
665 |
< |
getparam(s+2, "ambient bounces", 'i', |
638 |
< |
(void *)&ambounce); |
665 |
> |
getparam(s+2, "ambient bounces", 'i', &ambounce); |
666 |
|
break; |
667 |
|
case 'r': |
668 |
< |
if (getparam(s+2, "ambient resolution", 'i', |
642 |
< |
(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', |
653 |
< |
(void *)cextinction); |
678 |
> |
getparam(s+2, "extinction coefficient", 'C', cextinction); |
679 |
|
break; |
680 |
|
case 'a': /* scattering albedo */ |
681 |
< |
getparam(s+2, "scattering albedo", 'C', |
657 |
< |
(void *)salbedo); |
681 |
> |
getparam(s+2, "scattering albedo", 'C', salbedo); |
682 |
|
break; |
683 |
|
case 'g': /* scattering eccentricity */ |
684 |
< |
getparam(s+2, "scattering eccentricity", 'r', |
661 |
< |
(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', |
665 |
< |
(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', |
675 |
< |
(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', |
680 |
< |
(void *)&maxdiff)) |
700 |
> |
if (getparam(s+2, "pixel threshold", 'r', &maxdiff)) |
701 |
|
pdepth = 0; |
702 |
|
break; |
703 |
|
default: |
708 |
|
case 's': /* specular */ |
709 |
|
switch (s[1]) { |
710 |
|
case 's': /* sampling */ |
711 |
< |
getparam(s+2, "specular sampling", 'r', |
692 |
< |
(void *)&specjitter); |
711 |
> |
getparam(s+2, "specular sampling", 'r', &specjitter); |
712 |
|
break; |
713 |
|
case 't': /* threshold */ |
714 |
< |
getparam(s+2, "specular threshold", 'r', |
696 |
< |
(void *)&specthresh); |
714 |
> |
getparam(s+2, "specular threshold", 'r', &specthresh); |
715 |
|
break; |
716 |
|
default: |
717 |
|
goto badparam; |
736 |
|
{ |
737 |
|
RAY thisray; |
738 |
|
char buf[512]; |
739 |
+ |
COLOR col; |
740 |
|
|
741 |
|
thisray.rmax = 0.0; |
742 |
|
|
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); |
824 |
|
FILE *fp; |
825 |
|
COLR *scanline; |
826 |
|
int y; |
827 |
< |
|
828 |
< |
while (isspace(*s)) |
809 |
< |
s++; |
810 |
< |
if (*s) |
811 |
< |
atos(buf, sizeof(buf), s); |
812 |
< |
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); |