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 |
+ |
#include "ambient.h" |
19 |
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#include "otypes.h" |
20 |
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#include "rpaint.h" |
21 |
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|
36 |
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extern char *octname; |
37 |
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|
38 |
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|
39 |
< |
void |
40 |
< |
getframe(s) /* get a new frame */ |
41 |
< |
char *s; |
39 |
> |
extern void |
40 |
> |
getframe( /* get a new frame */ |
41 |
> |
char *s |
42 |
> |
) |
43 |
|
{ |
44 |
|
if (getrect(s, &pframe) < 0) |
45 |
|
return; |
47 |
|
} |
48 |
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|
49 |
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|
50 |
< |
void |
51 |
< |
getrepaint(s) /* get area and repaint */ |
52 |
< |
char *s; |
50 |
> |
extern void |
51 |
> |
getrepaint( /* get area and repaint */ |
52 |
> |
char *s |
53 |
> |
) |
54 |
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{ |
55 |
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RECT box; |
56 |
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|
60 |
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} |
61 |
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|
62 |
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|
63 |
< |
void |
64 |
< |
getview(s) /* get/show view parameters */ |
65 |
< |
char *s; |
63 |
> |
extern void |
64 |
> |
getview( /* get/show view parameters */ |
65 |
> |
char *s |
66 |
> |
) |
67 |
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{ |
68 |
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FILE *fp; |
69 |
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char buf[128]; |
70 |
|
char *fname; |
71 |
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int change = 0; |
72 |
< |
VIEW nv; |
72 |
> |
VIEW nv = ourview; |
73 |
|
|
74 |
|
while (isspace(*s)) |
75 |
|
s++; |
76 |
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if (*s == '-') { /* command line parameters */ |
72 |
– |
nv = ourview; |
77 |
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if (sscanview(&nv, s)) |
78 |
|
newview(&nv); |
79 |
|
else |
101 |
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if (buf[0] && buf[0] != ourview.type) { |
102 |
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nv.type = buf[0]; |
103 |
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change++; |
104 |
< |
} else |
101 |
< |
nv.type = ourview.type; |
104 |
> |
} |
105 |
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sprintf(buf, "view point (%.6g %.6g %.6g): ", |
106 |
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ourview.vp[0], ourview.vp[1], ourview.vp[2]); |
107 |
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(*dev->comout)(buf); |
109 |
|
if (buf[0] == CTRL('C')) return; |
110 |
|
if (sscanvec(buf, nv.vp)) |
111 |
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change++; |
109 |
– |
else |
110 |
– |
VCOPY(nv.vp, ourview.vp); |
112 |
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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 |
< |
else |
119 |
< |
VCOPY(nv.vdir, ourview.vdir); |
122 |
> |
} |
123 |
|
sprintf(buf, "view up (%.6g %.6g %.6g): ", |
124 |
|
ourview.vup[0], ourview.vup[1], ourview.vup[2]); |
125 |
|
(*dev->comout)(buf); |
127 |
|
if (buf[0] == CTRL('C')) return; |
128 |
|
if (sscanvec(buf, nv.vup)) |
129 |
|
change++; |
127 |
– |
else |
128 |
– |
VCOPY(nv.vup, ourview.vup); |
130 |
|
sprintf(buf, "view horiz and vert size (%.6g %.6g): ", |
131 |
|
ourview.horiz, ourview.vert); |
132 |
|
(*dev->comout)(buf); |
134 |
|
if (buf[0] == CTRL('C')) return; |
135 |
|
if (sscanf(buf, "%lf %lf", &nv.horiz, &nv.vert) == 2) |
136 |
|
change++; |
136 |
– |
else { |
137 |
– |
nv.horiz = ourview.horiz; nv.vert = ourview.vert; |
138 |
– |
} |
137 |
|
sprintf(buf, "fore and aft clipping plane (%.6g %.6g): ", |
138 |
|
ourview.vfore, ourview.vaft); |
139 |
|
(*dev->comout)(buf); |
141 |
|
if (buf[0] == CTRL('C')) return; |
142 |
|
if (sscanf(buf, "%lf %lf", &nv.vfore, &nv.vaft) == 2) |
143 |
|
change++; |
146 |
– |
else { |
147 |
– |
nv.vfore = ourview.vfore; nv.vaft = ourview.vaft; |
148 |
– |
} |
144 |
|
sprintf(buf, "view shift and lift (%.6g %.6g): ", |
145 |
|
ourview.hoff, ourview.voff); |
146 |
|
(*dev->comout)(buf); |
148 |
|
if (buf[0] == CTRL('C')) return; |
149 |
|
if (sscanf(buf, "%lf %lf", &nv.hoff, &nv.voff) == 2) |
150 |
|
change++; |
156 |
– |
else { |
157 |
– |
nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
158 |
– |
} |
151 |
|
if (change) |
152 |
|
newview(&nv); |
153 |
|
} |
154 |
|
|
155 |
|
|
156 |
< |
void |
157 |
< |
lastview(s) /* return to a previous view */ |
158 |
< |
char *s; |
156 |
> |
extern void |
157 |
> |
lastview( /* return to a previous view */ |
158 |
> |
char *s |
159 |
> |
) |
160 |
|
{ |
161 |
|
char buf[128]; |
162 |
|
char *fname; |
188 |
|
} |
189 |
|
|
190 |
|
|
191 |
< |
void |
192 |
< |
saveview(s) /* save view to rad file */ |
193 |
< |
char *s; |
191 |
> |
extern void |
192 |
> |
saveview( /* save view to rad file */ |
193 |
> |
char *s |
194 |
> |
) |
195 |
|
{ |
196 |
|
char view[64]; |
197 |
|
char *fname; |
226 |
|
} |
227 |
|
|
228 |
|
|
229 |
< |
void |
230 |
< |
loadview(s) /* load view from rad file */ |
231 |
< |
char *s; |
229 |
> |
extern void |
230 |
> |
loadview( /* load view from rad file */ |
231 |
> |
char *s |
232 |
> |
) |
233 |
|
{ |
234 |
|
char buf[512]; |
235 |
|
char *fname; |
269 |
|
} |
270 |
|
|
271 |
|
|
272 |
< |
void |
273 |
< |
getaim(s) /* aim camera */ |
274 |
< |
char *s; |
272 |
> |
extern void |
273 |
> |
getaim( /* aim camera */ |
274 |
> |
char *s |
275 |
> |
) |
276 |
|
{ |
277 |
+ |
VIEW nv = ourview; |
278 |
|
double zfact; |
282 |
– |
VIEW nv; |
279 |
|
|
280 |
|
if (getinterest(s, 1, nv.vdir, &zfact) < 0) |
281 |
|
return; |
286 |
– |
nv.type = ourview.type; |
287 |
– |
VCOPY(nv.vp, ourview.vp); |
288 |
– |
VCOPY(nv.vup, ourview.vup); |
289 |
– |
nv.horiz = ourview.horiz; nv.vert = ourview.vert; |
290 |
– |
nv.vfore = ourview.vfore; nv.vaft = ourview.vaft; |
291 |
– |
nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
282 |
|
zoomview(&nv, zfact); |
283 |
|
newview(&nv); |
284 |
|
} |
285 |
|
|
286 |
|
|
287 |
< |
void |
288 |
< |
getmove(s) /* move camera */ |
289 |
< |
char *s; |
287 |
> |
extern void |
288 |
> |
getfocus( /* set focus distance */ |
289 |
> |
char *s |
290 |
> |
) |
291 |
|
{ |
292 |
|
FVECT vc; |
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 |
+ |
} |
320 |
+ |
|
321 |
+ |
|
322 |
+ |
extern void |
323 |
+ |
getmove( /* move camera */ |
324 |
+ |
char *s |
325 |
+ |
) |
326 |
+ |
{ |
327 |
+ |
FVECT vc; |
328 |
|
double mag; |
329 |
|
|
330 |
|
if (getinterest(s, 0, vc, &mag) < 0) |
333 |
|
} |
334 |
|
|
335 |
|
|
336 |
< |
void |
337 |
< |
getrotate(s) /* rotate camera */ |
338 |
< |
char *s; |
336 |
> |
extern void |
337 |
> |
getrotate( /* rotate camera */ |
338 |
> |
char *s |
339 |
> |
) |
340 |
|
{ |
341 |
< |
VIEW nv; |
341 |
> |
VIEW nv = ourview; |
342 |
|
FVECT v1; |
343 |
|
double angle, elev, zfact; |
344 |
|
|
347 |
|
error(COMMAND, "missing angle"); |
348 |
|
return; |
349 |
|
} |
323 |
– |
nv.type = ourview.type; |
324 |
– |
VCOPY(nv.vp, ourview.vp); |
325 |
– |
VCOPY(nv.vup, ourview.vup); |
326 |
– |
nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
327 |
– |
nv.vfore = ourview.vfore; nv.vaft = ourview.vaft; |
350 |
|
spinvector(nv.vdir, ourview.vdir, ourview.vup, angle*(PI/180.)); |
351 |
|
if (elev != 0.0) { |
352 |
|
fcross(v1, nv.vdir, ourview.vup); |
353 |
|
normalize(v1); |
354 |
|
spinvector(nv.vdir, nv.vdir, v1, elev*(PI/180.)); |
355 |
|
} |
334 |
– |
nv.horiz = ourview.horiz; nv.vert = ourview.vert; |
356 |
|
zoomview(&nv, zfact); |
357 |
|
newview(&nv); |
358 |
|
} |
359 |
|
|
360 |
|
|
361 |
< |
void |
362 |
< |
getpivot(s) /* pivot viewpoint */ |
363 |
< |
register char *s; |
361 |
> |
extern void |
362 |
> |
getpivot( /* pivot viewpoint */ |
363 |
> |
register char *s |
364 |
> |
) |
365 |
|
{ |
366 |
|
FVECT vc; |
367 |
|
double angle, elev, mag; |
377 |
|
} |
378 |
|
|
379 |
|
|
380 |
< |
void |
381 |
< |
getexposure(s) /* get new exposure */ |
382 |
< |
char *s; |
380 |
> |
extern void |
381 |
> |
getexposure( /* get new exposure */ |
382 |
> |
char *s |
383 |
> |
) |
384 |
|
{ |
385 |
|
char buf[128]; |
386 |
|
register char *cp; |
446 |
|
|
447 |
|
typedef union {int i; double d; COLOR C;} *MyUptr; |
448 |
|
|
449 |
< |
int |
450 |
< |
getparam(str, dsc, typ, p) /* get variable from user */ |
451 |
< |
char *str, *dsc; |
452 |
< |
int typ; |
453 |
< |
void *p; |
449 |
> |
extern int |
450 |
> |
getparam( /* get variable from user */ |
451 |
> |
char *str, |
452 |
> |
char *dsc, |
453 |
> |
int typ, |
454 |
> |
void *p |
455 |
> |
) |
456 |
|
{ |
457 |
|
register MyUptr ptr = (MyUptr)p; |
458 |
|
int i0; |
509 |
|
setcolor(ptr->C, d0, d1, d2); |
510 |
|
return(1); |
511 |
|
} |
512 |
+ |
return 0; /* nothing matched */ |
513 |
|
} |
514 |
|
|
515 |
|
|
516 |
< |
void |
517 |
< |
setparam(s) /* get/set program parameter */ |
518 |
< |
register char *s; |
516 |
> |
extern void |
517 |
> |
setparam( /* get/set program parameter */ |
518 |
> |
register char *s |
519 |
> |
) |
520 |
|
{ |
521 |
|
char buf[128]; |
522 |
|
|
523 |
|
if (s[0] == '\0') { |
524 |
|
(*dev->comout)( |
525 |
< |
"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: "); |
525 |
> |
"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: "); |
526 |
|
(*dev->comin)(buf, NULL); |
527 |
|
s = buf; |
528 |
|
} |
529 |
|
switch (s[0]) { |
530 |
+ |
case 'u': /* uncorrelated sampling */ |
531 |
+ |
getparam(s+1, "uncorrelated sampling", 'b', |
532 |
+ |
(void *)&rand_samp); |
533 |
+ |
break; |
534 |
|
case 'l': /* limit */ |
535 |
|
switch (s[1]) { |
536 |
|
case 'w': /* weight */ |
692 |
|
} |
693 |
|
|
694 |
|
|
695 |
< |
void |
695 |
> |
extern void |
696 |
|
traceray(s) /* trace a single ray */ |
697 |
|
char *s; |
698 |
|
{ |
723 |
|
return; |
724 |
|
} |
725 |
|
|
726 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
726 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
727 |
|
|
728 |
|
rayvalue(&thisray); |
729 |
|
|
730 |
|
if (thisray.ro == NULL) |
731 |
|
(*dev->comout)("ray hit nothing"); |
732 |
|
else { |
733 |
< |
sprintf(buf, "ray hit %s%s %s \"%s\"", |
734 |
< |
thisray.rod < 0.0 ? "back of " : "", |
735 |
< |
thisray.ro->omod == OVOID ? VOIDID : |
736 |
< |
objptr(thisray.ro->omod)->oname, |
733 |
> |
OBJREC *mat = NULL; |
734 |
> |
OBJREC *mod = NULL; |
735 |
> |
char matspec[256]; |
736 |
> |
matspec[0] = '\0'; |
737 |
> |
if (thisray.ro->omod != OVOID) { |
738 |
> |
mod = objptr(thisray.ro->omod); |
739 |
> |
mat = findmaterial(mod); |
740 |
> |
} |
741 |
> |
if (thisray.rod < 0.0) |
742 |
> |
strcpy(matspec, "back of "); |
743 |
> |
if (mod != NULL) { |
744 |
> |
strcat(matspec, mod->oname); |
745 |
> |
if (mat != mod && mat != NULL) |
746 |
> |
sprintf(matspec+strlen(matspec), |
747 |
> |
" (%s)", mat->oname); |
748 |
> |
} else |
749 |
> |
strcat(matspec, VOIDID); |
750 |
> |
sprintf(buf, "ray hit %s %s \"%s\"", matspec, |
751 |
|
ofun[thisray.ro->otype].funame, |
752 |
|
thisray.ro->oname); |
753 |
|
if ((ino = objptr(thisray.robj)) != thisray.ro) |
775 |
|
} |
776 |
|
|
777 |
|
|
778 |
< |
void |
778 |
> |
extern void |
779 |
|
writepict(s) /* write the picture to a file */ |
780 |
|
char *s; |
781 |
|
{ |