14 |
|
|
15 |
|
#include "platform.h" |
16 |
|
#include "ray.h" |
17 |
+ |
#include "source.h" |
18 |
|
#include "ambient.h" |
19 |
|
#include "otypes.h" |
20 |
|
#include "rpaint.h" |
36 |
|
extern char *octname; |
37 |
|
|
38 |
|
|
39 |
< |
extern void |
39 |
> |
void |
40 |
|
getframe( /* get a new frame */ |
41 |
|
char *s |
42 |
|
) |
47 |
|
} |
48 |
|
|
49 |
|
|
50 |
< |
extern void |
50 |
> |
void |
51 |
|
getrepaint( /* get area and repaint */ |
52 |
|
char *s |
53 |
|
) |
56 |
|
|
57 |
|
if (getrect(s, &box) < 0) |
58 |
|
return; |
59 |
< |
paintrect(&ptrunk, 0, 0, hresolu, vresolu, &box); |
59 |
> |
paintrect(&ptrunk, &box); |
60 |
|
} |
61 |
|
|
62 |
|
|
63 |
< |
extern void |
63 |
> |
void |
64 |
|
getview( /* get/show view parameters */ |
65 |
|
char *s |
66 |
|
) |
110 |
|
if (sscanvec(buf, nv.vp)) |
111 |
|
change++; |
112 |
|
sprintf(buf, "view direction (%.6g %.6g %.6g): ", |
113 |
< |
ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]); |
113 |
> |
ourview.vdir[0]*ourview.vdist, |
114 |
> |
ourview.vdir[1]*ourview.vdist, |
115 |
> |
ourview.vdir[2]*ourview.vdist); |
116 |
|
(*dev->comout)(buf); |
117 |
|
(*dev->comin)(buf, NULL); |
118 |
|
if (buf[0] == CTRL('C')) return; |
119 |
< |
if (sscanvec(buf, nv.vdir)) |
119 |
> |
if (sscanvec(buf, nv.vdir)) { |
120 |
> |
nv.vdist = 1.; |
121 |
|
change++; |
122 |
+ |
} |
123 |
|
sprintf(buf, "view up (%.6g %.6g %.6g): ", |
124 |
|
ourview.vup[0], ourview.vup[1], ourview.vup[2]); |
125 |
|
(*dev->comout)(buf); |
153 |
|
} |
154 |
|
|
155 |
|
|
156 |
< |
extern void |
156 |
> |
void |
157 |
|
lastview( /* return to a previous view */ |
158 |
|
char *s |
159 |
|
) |
184 |
|
nv = ourview; |
185 |
|
ourview = oldview; |
186 |
|
oldview = nv; |
187 |
< |
newimage(); |
187 |
> |
newimage(NULL); |
188 |
|
} |
189 |
|
|
190 |
|
|
191 |
< |
extern void |
191 |
> |
void |
192 |
|
saveview( /* save view to rad file */ |
193 |
|
char *s |
194 |
|
) |
226 |
|
} |
227 |
|
|
228 |
|
|
229 |
< |
extern void |
229 |
> |
void |
230 |
|
loadview( /* load view from rad file */ |
231 |
|
char *s |
232 |
|
) |
269 |
|
} |
270 |
|
|
271 |
|
|
272 |
< |
extern void |
272 |
> |
void |
273 |
|
getaim( /* aim camera */ |
274 |
|
char *s |
275 |
|
) |
284 |
|
} |
285 |
|
|
286 |
|
|
287 |
< |
extern void |
287 |
> |
void |
288 |
> |
getfocus( /* set focus distance */ |
289 |
> |
char *s |
290 |
> |
) |
291 |
> |
{ |
292 |
> |
char buf[64]; |
293 |
> |
double dist; |
294 |
> |
|
295 |
> |
if (sscanf(s, "%lf", &dist) < 1) { |
296 |
> |
int x, y; |
297 |
> |
RAY thisray; |
298 |
> |
if (dev->getcur == NULL) |
299 |
> |
return; |
300 |
> |
(*dev->comout)("Pick focus point\n"); |
301 |
> |
if ((*dev->getcur)(&x, &y) == ABORT) |
302 |
> |
return; |
303 |
> |
if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, |
304 |
> |
&ourview, (x+.5)/hresolu, (y+.5)/vresolu)) < -FTINY) { |
305 |
> |
error(COMMAND, "not on image"); |
306 |
> |
return; |
307 |
> |
} |
308 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
309 |
> |
if (!localhit(&thisray, &thescene)) { |
310 |
> |
error(COMMAND, "not a local object"); |
311 |
> |
return; |
312 |
> |
} |
313 |
> |
dist = thisray.rot; |
314 |
> |
} else if (dist <= .0) { |
315 |
> |
error(COMMAND, "focus distance must be positive"); |
316 |
> |
return; |
317 |
> |
} |
318 |
> |
ourview.vdist = dist; |
319 |
> |
sprintf(buf, "Focus distance set to %f\n", dist); |
320 |
> |
(*dev->comout)(buf); |
321 |
> |
} |
322 |
> |
|
323 |
> |
|
324 |
> |
void |
325 |
|
getmove( /* move camera */ |
326 |
|
char *s |
327 |
|
) |
335 |
|
} |
336 |
|
|
337 |
|
|
338 |
< |
extern void |
338 |
> |
void |
339 |
|
getrotate( /* rotate camera */ |
340 |
|
char *s |
341 |
|
) |
360 |
|
} |
361 |
|
|
362 |
|
|
363 |
< |
extern void |
363 |
> |
void |
364 |
|
getpivot( /* pivot viewpoint */ |
365 |
< |
register char *s |
365 |
> |
char *s |
366 |
|
) |
367 |
|
{ |
368 |
|
FVECT vc; |
379 |
|
} |
380 |
|
|
381 |
|
|
382 |
< |
extern void |
382 |
> |
void |
383 |
|
getexposure( /* get new exposure */ |
384 |
|
char *s |
385 |
|
) |
386 |
|
{ |
387 |
|
char buf[128]; |
388 |
< |
register char *cp; |
347 |
< |
RECT r; |
388 |
> |
char *cp; |
389 |
|
int x, y; |
390 |
< |
register PNODE *p = &ptrunk; |
390 |
> |
PNODE *p = &ptrunk; |
391 |
|
int adapt = 0; |
392 |
|
double e = 1.0; |
393 |
|
|
404 |
|
(*dev->comout)("Pick point for exposure\n"); |
405 |
|
if ((*dev->getcur)(&x, &y) == ABORT) |
406 |
|
return; |
407 |
< |
r.l = r.d = 0; |
367 |
< |
r.r = hresolu; r.u = vresolu; |
368 |
< |
p = findrect(x, y, &ptrunk, &r, -1); |
407 |
> |
p = findrect(x, y, &ptrunk, -1); |
408 |
|
} else { |
409 |
|
if (*cp == '=') { /* absolute setting */ |
410 |
|
p = NULL; |
427 |
|
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 |
|
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' || |
452 |
< |
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 |
+ |
int prev_newp = newparam; |
538 |
|
char buf[128]; |
539 |
|
|
540 |
|
if (s[0] == '\0') { |
541 |
|
(*dev->comout)( |
542 |
< |
"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: "); |
542 |
> |
"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: "); |
543 |
|
(*dev->comin)(buf, NULL); |
544 |
|
s = buf; |
545 |
|
} |
546 |
|
switch (s[0]) { |
547 |
+ |
case 'u': /* uncorrelated sampling */ |
548 |
+ |
getparam(s+1, "uncorrelated sampling", 'b', |
549 |
+ |
(void *)&rand_samp); |
550 |
+ |
break; |
551 |
|
case 'l': /* limit */ |
552 |
|
switch (s[1]) { |
553 |
|
case 'w': /* weight */ |
600 |
|
case 'n': case 'N': case 'f': case 'F': case '0': case '-': |
601 |
|
getparam(s+1, "black and white", 'b', |
602 |
|
(void *)&greyscale); |
603 |
+ |
newparam = prev_newp; |
604 |
|
break; |
605 |
|
default: |
606 |
|
goto badparam; |
683 |
|
default: |
684 |
|
goto badparam; |
685 |
|
} |
686 |
+ |
newparam = prev_newp; |
687 |
|
break; |
688 |
|
case 's': /* specular */ |
689 |
|
switch (s[1]) { |
711 |
|
} |
712 |
|
|
713 |
|
|
714 |
< |
extern void |
715 |
< |
traceray(s) /* trace a single ray */ |
716 |
< |
char *s; |
714 |
> |
void |
715 |
> |
traceray( /* trace a single ray */ |
716 |
> |
char *s |
717 |
> |
) |
718 |
|
{ |
719 |
|
char buf[128]; |
720 |
|
int x, y; |
743 |
|
return; |
744 |
|
} |
745 |
|
|
746 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
683 |
< |
|
684 |
< |
rayvalue(&thisray); |
746 |
> |
ray_trace(&thisray); |
747 |
|
|
748 |
|
if (thisray.ro == NULL) |
749 |
|
(*dev->comout)("ray hit nothing"); |
750 |
|
else { |
751 |
< |
sprintf(buf, "ray hit %s%s %s \"%s\"", |
752 |
< |
thisray.rod < 0.0 ? "back of " : "", |
753 |
< |
thisray.ro->omod == OVOID ? VOIDID : |
754 |
< |
objptr(thisray.ro->omod)->oname, |
751 |
> |
OBJREC *mat = NULL; |
752 |
> |
OBJREC *mod = NULL; |
753 |
> |
char matspec[256]; |
754 |
> |
matspec[0] = '\0'; |
755 |
> |
if (thisray.ro->omod != OVOID) { |
756 |
> |
mod = objptr(thisray.ro->omod); |
757 |
> |
mat = findmaterial(mod); |
758 |
> |
} |
759 |
> |
if (thisray.rod < 0.0) |
760 |
> |
strcpy(matspec, "back of "); |
761 |
> |
if (mod != NULL) { |
762 |
> |
strcat(matspec, mod->oname); |
763 |
> |
if (mat != mod && mat != NULL) |
764 |
> |
sprintf(matspec+strlen(matspec), |
765 |
> |
" (%s)", mat->oname); |
766 |
> |
} else |
767 |
> |
strcat(matspec, VOIDID); |
768 |
> |
sprintf(buf, "ray hit %s %s \"%s\"", matspec, |
769 |
|
ofun[thisray.ro->otype].funame, |
770 |
|
thisray.ro->oname); |
771 |
|
if ((ino = objptr(thisray.robj)) != thisray.ro) |
793 |
|
} |
794 |
|
|
795 |
|
|
796 |
< |
extern void |
797 |
< |
writepict(s) /* write the picture to a file */ |
798 |
< |
char *s; |
796 |
> |
void |
797 |
> |
writepict( /* write the picture to a file */ |
798 |
> |
char *s |
799 |
> |
) |
800 |
|
{ |
801 |
|
static char buf[128]; |
802 |
|
char *fname; |