14 |
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15 |
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#include "platform.h" |
16 |
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#include "ray.h" |
17 |
+ |
#include "source.h" |
18 |
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#include "ambient.h" |
19 |
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#include "otypes.h" |
20 |
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#include "rpaint.h" |
36 |
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extern char *octname; |
37 |
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|
38 |
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|
39 |
< |
extern void |
39 |
> |
void |
40 |
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getframe( /* get a new frame */ |
41 |
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char *s |
42 |
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) |
47 |
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} |
48 |
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|
49 |
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|
50 |
< |
extern void |
50 |
> |
void |
51 |
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getrepaint( /* get area and repaint */ |
52 |
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char *s |
53 |
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) |
56 |
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|
57 |
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if (getrect(s, &box) < 0) |
58 |
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return; |
59 |
< |
paintrect(&ptrunk, 0, 0, hresolu, vresolu, &box); |
59 |
> |
paintrect(&ptrunk, &box); |
60 |
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} |
61 |
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|
62 |
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|
63 |
< |
extern void |
63 |
> |
void |
64 |
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getview( /* get/show view parameters */ |
65 |
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char *s |
66 |
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) |
153 |
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} |
154 |
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|
155 |
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|
156 |
< |
extern void |
156 |
> |
void |
157 |
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lastview( /* return to a previous view */ |
158 |
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char *s |
159 |
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) |
184 |
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nv = ourview; |
185 |
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ourview = oldview; |
186 |
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oldview = nv; |
187 |
< |
newimage(); |
187 |
> |
newimage(NULL); |
188 |
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} |
189 |
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|
190 |
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|
191 |
< |
extern void |
191 |
> |
void |
192 |
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saveview( /* save view to rad file */ |
193 |
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char *s |
194 |
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) |
226 |
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} |
227 |
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|
228 |
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|
229 |
< |
extern void |
229 |
> |
void |
230 |
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loadview( /* load view from rad file */ |
231 |
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char *s |
232 |
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) |
269 |
|
} |
270 |
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|
271 |
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|
272 |
< |
extern void |
272 |
> |
void |
273 |
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getaim( /* aim camera */ |
274 |
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char *s |
275 |
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) |
284 |
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} |
285 |
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|
286 |
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|
287 |
< |
extern void |
287 |
> |
void |
288 |
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getfocus( /* set focus distance */ |
289 |
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char *s |
290 |
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) |
291 |
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{ |
292 |
< |
FVECT vc; |
292 |
> |
char buf[64]; |
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double dist; |
294 |
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|
295 |
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if (sscanf(s, "%lf", &dist) < 1) { |
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error(COMMAND, "not on image"); |
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return; |
307 |
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} |
308 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
308 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
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if (!localhit(&thisray, &thescene)) { |
310 |
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error(COMMAND, "not a local object"); |
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return; |
316 |
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return; |
317 |
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} |
318 |
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ourview.vdist = dist; |
319 |
+ |
sprintf(buf, "Focus distance set to %f\n", dist); |
320 |
+ |
(*dev->comout)(buf); |
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} |
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|
323 |
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|
324 |
< |
extern void |
324 |
> |
void |
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getmove( /* move camera */ |
326 |
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char *s |
327 |
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) |
335 |
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} |
336 |
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|
337 |
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|
338 |
< |
extern void |
338 |
> |
void |
339 |
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getrotate( /* rotate camera */ |
340 |
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char *s |
341 |
|
) |
360 |
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} |
361 |
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|
362 |
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|
363 |
< |
extern void |
363 |
> |
void |
364 |
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getpivot( /* pivot viewpoint */ |
365 |
< |
register char *s |
365 |
> |
char *s |
366 |
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) |
367 |
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{ |
368 |
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FVECT vc; |
379 |
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} |
380 |
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|
381 |
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|
382 |
< |
extern void |
382 |
> |
void |
383 |
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getexposure( /* get new exposure */ |
384 |
|
char *s |
385 |
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) |
386 |
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{ |
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char buf[128]; |
388 |
< |
register char *cp; |
386 |
< |
RECT r; |
388 |
> |
char *cp; |
389 |
|
int x, y; |
390 |
< |
register PNODE *p = &ptrunk; |
390 |
> |
PNODE *p = &ptrunk; |
391 |
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int adapt = 0; |
392 |
|
double e = 1.0; |
393 |
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|
404 |
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(*dev->comout)("Pick point for exposure\n"); |
405 |
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if ((*dev->getcur)(&x, &y) == ABORT) |
406 |
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return; |
407 |
< |
r.l = r.d = 0; |
406 |
< |
r.r = hresolu; r.u = vresolu; |
407 |
< |
p = findrect(x, y, &ptrunk, &r, -1); |
407 |
> |
p = findrect(x, y, &ptrunk, -1); |
408 |
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} else { |
409 |
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if (*cp == '=') { /* absolute setting */ |
410 |
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p = NULL; |
427 |
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e *= atof(cp); |
428 |
|
} |
429 |
|
if (p != NULL) { /* relative setting */ |
430 |
+ |
compavg(p); |
431 |
|
if (bright(p->v) < 1e-15) { |
432 |
|
error(COMMAND, "cannot normalize to zero"); |
433 |
|
return; |
445 |
|
} |
446 |
|
|
447 |
|
typedef union {int i; double d; COLOR C;} *MyUptr; |
448 |
+ |
#define FEQ(x,y) (fabs((x)-(y)) <= FTINY) |
449 |
|
|
450 |
< |
extern int |
450 |
> |
int |
451 |
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getparam( /* get variable from user */ |
452 |
|
char *str, |
453 |
|
char *dsc, |
455 |
|
void *p |
456 |
|
) |
457 |
|
{ |
458 |
< |
register MyUptr ptr = (MyUptr)p; |
458 |
> |
MyUptr ptr = (MyUptr)p; |
459 |
|
int i0; |
460 |
|
double d0, d1, d2; |
461 |
|
char buf[48]; |
470 |
|
if (sscanf(buf, "%d", &i0) != 1) |
471 |
|
return(0); |
472 |
|
} |
473 |
+ |
if (ptr->i == i0) |
474 |
+ |
return(0); |
475 |
|
ptr->i = i0; |
476 |
< |
return(1); |
476 |
> |
break; |
477 |
|
case 'r': /* real */ |
478 |
|
if (sscanf(str, "%lf", &d0) != 1) { |
479 |
|
(*dev->comout)(dsc); |
483 |
|
if (sscanf(buf, "%lf", &d0) != 1) |
484 |
|
return(0); |
485 |
|
} |
486 |
+ |
if (FEQ(ptr->d, d0)) |
487 |
+ |
return(0); |
488 |
|
ptr->d = d0; |
489 |
< |
return(1); |
489 |
> |
break; |
490 |
|
case 'b': /* boolean */ |
491 |
|
if (sscanf(str, "%1s", buf) != 1) { |
492 |
|
(*dev->comout)(dsc); |
493 |
|
sprintf(buf, "? (%c): ", ptr->i ? 'y' : 'n'); |
494 |
|
(*dev->comout)(buf); |
495 |
|
(*dev->comin)(buf, NULL); |
496 |
< |
if (buf[0] == '\0' || |
491 |
< |
strchr("yY+1tTnN-0fF", buf[0]) == NULL) |
496 |
> |
if (buf[0] == '\0') |
497 |
|
return(0); |
498 |
|
} |
499 |
< |
ptr->i = strchr("yY+1tT", buf[0]) != NULL; |
500 |
< |
return(1); |
499 |
> |
if (strchr("yY+1tTnN-0fF", buf[0]) == NULL) |
500 |
> |
return(0); |
501 |
> |
i0 = strchr("yY+1tT", buf[0]) != NULL; |
502 |
> |
if (ptr->i == i0) |
503 |
> |
return(0); |
504 |
> |
ptr->i = i0; |
505 |
> |
break; |
506 |
|
case 'C': /* color */ |
507 |
|
if (sscanf(str, "%lf %lf %lf", &d0, &d1, &d2) != 3) { |
508 |
|
(*dev->comout)(dsc); |
515 |
|
if (sscanf(buf, "%lf %lf %lf", &d0, &d1, &d2) != 3) |
516 |
|
return(0); |
517 |
|
} |
518 |
+ |
if (FEQ(colval(ptr->C,RED), d0) && |
519 |
+ |
FEQ(colval(ptr->C,GRN), d1) && |
520 |
+ |
FEQ(colval(ptr->C,BLU), d2)) |
521 |
+ |
return(0); |
522 |
|
setcolor(ptr->C, d0, d1, d2); |
523 |
< |
return(1); |
523 |
> |
break; |
524 |
> |
default: |
525 |
> |
return(0); /* shouldn't happen */ |
526 |
|
} |
527 |
< |
return 0; /* nothing matched */ |
527 |
> |
newparam++; |
528 |
> |
return(1); |
529 |
|
} |
530 |
|
|
531 |
|
|
532 |
< |
extern void |
532 |
> |
void |
533 |
|
setparam( /* get/set program parameter */ |
534 |
< |
register char *s |
534 |
> |
char *s |
535 |
|
) |
536 |
|
{ |
537 |
|
char buf[128]; |
538 |
|
|
539 |
|
if (s[0] == '\0') { |
540 |
|
(*dev->comout)( |
541 |
< |
"aa ab ad ar as av aw b dc dv dj ds dt i lr lw me ma mg ms ps pt sj st bv: "); |
541 |
> |
"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: "); |
542 |
|
(*dev->comin)(buf, NULL); |
543 |
|
s = buf; |
544 |
|
} |
545 |
|
switch (s[0]) { |
546 |
+ |
case 'u': /* uncorrelated sampling */ |
547 |
+ |
getparam(s+1, "uncorrelated sampling", 'b', |
548 |
+ |
(void *)&rand_samp); |
549 |
+ |
break; |
550 |
|
case 'l': /* limit */ |
551 |
|
switch (s[1]) { |
552 |
|
case 'w': /* weight */ |
708 |
|
} |
709 |
|
|
710 |
|
|
711 |
< |
extern void |
712 |
< |
traceray(s) /* trace a single ray */ |
713 |
< |
char *s; |
711 |
> |
void |
712 |
> |
traceray( /* trace a single ray */ |
713 |
> |
char *s |
714 |
> |
) |
715 |
|
{ |
716 |
|
char buf[128]; |
717 |
|
int x, y; |
740 |
|
return; |
741 |
|
} |
742 |
|
|
743 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
722 |
< |
|
723 |
< |
rayvalue(&thisray); |
743 |
> |
ray_trace(&thisray); |
744 |
|
|
745 |
|
if (thisray.ro == NULL) |
746 |
|
(*dev->comout)("ray hit nothing"); |
747 |
|
else { |
748 |
< |
sprintf(buf, "ray hit %s%s %s \"%s\"", |
749 |
< |
thisray.rod < 0.0 ? "back of " : "", |
750 |
< |
thisray.ro->omod == OVOID ? VOIDID : |
751 |
< |
objptr(thisray.ro->omod)->oname, |
748 |
> |
OBJREC *mat = NULL; |
749 |
> |
OBJREC *mod = NULL; |
750 |
> |
char matspec[256]; |
751 |
> |
matspec[0] = '\0'; |
752 |
> |
if (thisray.ro->omod != OVOID) { |
753 |
> |
mod = objptr(thisray.ro->omod); |
754 |
> |
mat = findmaterial(mod); |
755 |
> |
} |
756 |
> |
if (thisray.rod < 0.0) |
757 |
> |
strcpy(matspec, "back of "); |
758 |
> |
if (mod != NULL) { |
759 |
> |
strcat(matspec, mod->oname); |
760 |
> |
if (mat != mod && mat != NULL) |
761 |
> |
sprintf(matspec+strlen(matspec), |
762 |
> |
" (%s)", mat->oname); |
763 |
> |
} else |
764 |
> |
strcat(matspec, VOIDID); |
765 |
> |
sprintf(buf, "ray hit %s %s \"%s\"", matspec, |
766 |
|
ofun[thisray.ro->otype].funame, |
767 |
|
thisray.ro->oname); |
768 |
|
if ((ino = objptr(thisray.robj)) != thisray.ro) |
790 |
|
} |
791 |
|
|
792 |
|
|
793 |
< |
extern void |
794 |
< |
writepict(s) /* write the picture to a file */ |
795 |
< |
char *s; |
793 |
> |
void |
794 |
> |
writepict( /* write the picture to a file */ |
795 |
> |
char *s |
796 |
> |
) |
797 |
|
{ |
798 |
|
static char buf[128]; |
799 |
|
char *fname; |