13 |
|
#include <string.h> |
14 |
|
|
15 |
|
#include "platform.h" |
16 |
+ |
#include "rtprocess.h" /* win_popen() */ |
17 |
+ |
#include "paths.h" |
18 |
|
#include "ray.h" |
19 |
+ |
#include "source.h" |
20 |
|
#include "ambient.h" |
21 |
|
#include "otypes.h" |
22 |
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#include "rpaint.h" |
26 |
|
|
27 |
|
#define CTRL(c) ((c)-'@') |
28 |
|
|
29 |
< |
#ifdef SMLFLT |
27 |
< |
#define sscanvec(s,v) (sscanf(s,"%f %f %f",v,v+1,v+2)==3) |
28 |
< |
#else |
29 |
< |
#define sscanvec(s,v) (sscanf(s,"%lf %lf %lf",v,v+1,v+2)==3) |
30 |
< |
#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 |
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|
36 |
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|
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 |
|
{ |
67 |
|
char buf[128]; |
68 |
|
char *fname; |
69 |
|
int change = 0; |
70 |
< |
VIEW nv; |
70 |
> |
VIEW nv = ourview; |
71 |
|
|
72 |
|
while (isspace(*s)) |
73 |
|
s++; |
74 |
|
if (*s == '-') { /* command line parameters */ |
76 |
– |
nv = ourview; |
75 |
|
if (sscanview(&nv, s)) |
76 |
|
newview(&nv); |
77 |
|
else |
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); |
99 |
|
if (buf[0] && buf[0] != ourview.type) { |
100 |
|
nv.type = buf[0]; |
101 |
|
change++; |
102 |
< |
} else |
105 |
< |
nv.type = ourview.type; |
102 |
> |
} |
103 |
|
sprintf(buf, "view point (%.6g %.6g %.6g): ", |
104 |
|
ourview.vp[0], ourview.vp[1], ourview.vp[2]); |
105 |
|
(*dev->comout)(buf); |
107 |
|
if (buf[0] == CTRL('C')) return; |
108 |
|
if (sscanvec(buf, nv.vp)) |
109 |
|
change++; |
113 |
– |
else |
114 |
– |
VCOPY(nv.vp, ourview.vp); |
110 |
|
sprintf(buf, "view direction (%.6g %.6g %.6g): ", |
111 |
< |
ourview.vdir[0], ourview.vdir[1], ourview.vdir[2]); |
111 |
> |
ourview.vdir[0]*ourview.vdist, |
112 |
> |
ourview.vdir[1]*ourview.vdist, |
113 |
> |
ourview.vdir[2]*ourview.vdist); |
114 |
|
(*dev->comout)(buf); |
115 |
|
(*dev->comin)(buf, NULL); |
116 |
|
if (buf[0] == CTRL('C')) return; |
117 |
< |
if (sscanvec(buf, nv.vdir)) |
117 |
> |
if (sscanvec(buf, nv.vdir)) { |
118 |
> |
nv.vdist = 1.; |
119 |
|
change++; |
120 |
< |
else |
123 |
< |
VCOPY(nv.vdir, ourview.vdir); |
120 |
> |
} |
121 |
|
sprintf(buf, "view up (%.6g %.6g %.6g): ", |
122 |
|
ourview.vup[0], ourview.vup[1], ourview.vup[2]); |
123 |
|
(*dev->comout)(buf); |
125 |
|
if (buf[0] == CTRL('C')) return; |
126 |
|
if (sscanvec(buf, nv.vup)) |
127 |
|
change++; |
131 |
– |
else |
132 |
– |
VCOPY(nv.vup, ourview.vup); |
128 |
|
sprintf(buf, "view horiz and vert size (%.6g %.6g): ", |
129 |
|
ourview.horiz, ourview.vert); |
130 |
|
(*dev->comout)(buf); |
132 |
|
if (buf[0] == CTRL('C')) return; |
133 |
|
if (sscanf(buf, "%lf %lf", &nv.horiz, &nv.vert) == 2) |
134 |
|
change++; |
140 |
– |
else { |
141 |
– |
nv.horiz = ourview.horiz; nv.vert = ourview.vert; |
142 |
– |
} |
135 |
|
sprintf(buf, "fore and aft clipping plane (%.6g %.6g): ", |
136 |
|
ourview.vfore, ourview.vaft); |
137 |
|
(*dev->comout)(buf); |
139 |
|
if (buf[0] == CTRL('C')) return; |
140 |
|
if (sscanf(buf, "%lf %lf", &nv.vfore, &nv.vaft) == 2) |
141 |
|
change++; |
150 |
– |
else { |
151 |
– |
nv.vfore = ourview.vfore; nv.vaft = ourview.vaft; |
152 |
– |
} |
142 |
|
sprintf(buf, "view shift and lift (%.6g %.6g): ", |
143 |
|
ourview.hoff, ourview.voff); |
144 |
|
(*dev->comout)(buf); |
146 |
|
if (buf[0] == CTRL('C')) return; |
147 |
|
if (sscanf(buf, "%lf %lf", &nv.hoff, &nv.voff) == 2) |
148 |
|
change++; |
160 |
– |
else { |
161 |
– |
nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
162 |
– |
} |
149 |
|
if (change) |
150 |
|
newview(&nv); |
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)) |
220 |
< |
s++; |
221 |
< |
if (*s) |
222 |
< |
atos(rifname, sizeof(rifname), s); |
223 |
< |
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) |
257 |
< |
atos(rifname, sizeof(rifname), s); |
258 |
< |
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 |
|
) |
268 |
|
{ |
269 |
+ |
VIEW nv = ourview; |
270 |
|
double zfact; |
290 |
– |
VIEW nv; |
271 |
|
|
272 |
|
if (getinterest(s, 1, nv.vdir, &zfact) < 0) |
273 |
|
return; |
294 |
– |
nv.type = ourview.type; |
295 |
– |
VCOPY(nv.vp, ourview.vp); |
296 |
– |
VCOPY(nv.vup, ourview.vup); |
297 |
– |
nv.horiz = ourview.horiz; nv.vert = ourview.vert; |
298 |
– |
nv.vfore = ourview.vfore; nv.vaft = ourview.vaft; |
299 |
– |
nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
274 |
|
zoomview(&nv, zfact); |
275 |
|
newview(&nv); |
276 |
|
} |
277 |
|
|
278 |
|
|
279 |
< |
extern void |
279 |
> |
void |
280 |
> |
getfocus( /* set focus distance */ |
281 |
> |
char *s |
282 |
> |
) |
283 |
> |
{ |
284 |
> |
char buf[64]; |
285 |
> |
double dist; |
286 |
> |
|
287 |
> |
if (sscanf(s, "%lf", &dist) < 1) { |
288 |
> |
int x, y; |
289 |
> |
RAY thisray; |
290 |
> |
if (dev->getcur == NULL) |
291 |
> |
return; |
292 |
> |
(*dev->comout)("Pick focus point\n"); |
293 |
> |
if ((*dev->getcur)(&x, &y) == ABORT) |
294 |
> |
return; |
295 |
> |
if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, |
296 |
> |
&ourview, (x+.5)/hresolu, (y+.5)/vresolu)) < -FTINY) { |
297 |
> |
error(COMMAND, "not on image"); |
298 |
> |
return; |
299 |
> |
} |
300 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
301 |
> |
if (!localhit(&thisray, &thescene)) { |
302 |
> |
error(COMMAND, "not a local object"); |
303 |
> |
return; |
304 |
> |
} |
305 |
> |
dist = thisray.rot; |
306 |
> |
} else if (dist <= .0) { |
307 |
> |
error(COMMAND, "focus distance must be positive"); |
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 |
> |
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; |
325 |
< |
FVECT v1; |
335 |
> |
VIEW nv = ourview; |
336 |
|
double angle, elev, zfact; |
337 |
|
|
338 |
|
elev = 0.0; zfact = 1.0; |
340 |
|
error(COMMAND, "missing angle"); |
341 |
|
return; |
342 |
|
} |
333 |
– |
nv.type = ourview.type; |
334 |
– |
VCOPY(nv.vp, ourview.vp); |
335 |
– |
VCOPY(nv.vup, ourview.vup); |
336 |
– |
nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
337 |
– |
nv.vfore = ourview.vfore; nv.vaft = ourview.vaft; |
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); |
342 |
< |
spinvector(nv.vdir, nv.vdir, v1, elev*(PI/180.)); |
343 |
< |
} |
344 |
< |
nv.horiz = ourview.horiz; nv.vert = ourview.vert; |
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 |
> |
double d; |
378 |
> |
/* get new view origin */ |
379 |
> |
if (sscanf(s, "%lf %lf", &d, &d) == 1) { |
380 |
> |
/* just moving some distance */ |
381 |
> |
VSUM(nv.vp, nv.vp, nv.vdir, d); |
382 |
> |
} else if (!sscanvec(s, nv.vp)) { |
383 |
> |
int x, y; /* need to pick origin */ |
384 |
> |
RAY thisray; |
385 |
> |
if (dev->getcur == NULL) |
386 |
> |
return; |
387 |
> |
(*dev->comout)("Pick point on surface for new origin\n"); |
388 |
> |
if ((*dev->getcur)(&x, &y) == ABORT) |
389 |
> |
return; |
390 |
> |
if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, |
391 |
> |
&ourview, (x+.5)/hresolu, (y+.5)/vresolu)) < -FTINY) { |
392 |
> |
error(COMMAND, "not on image"); |
393 |
> |
return; |
394 |
> |
} |
395 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
396 |
> |
if (!localhit(&thisray, &thescene)) { |
397 |
> |
error(COMMAND, "not a local object"); |
398 |
> |
return; |
399 |
> |
} |
400 |
> |
if (thisray.rod < 0.0) /* don't look through other side */ |
401 |
> |
flipsurface(&thisray); |
402 |
> |
VSUM(nv.vp, thisray.rop, thisray.ron, 20.0*FTINY); |
403 |
> |
VCOPY(nv.vdir, thisray.ron); |
404 |
> |
} else if (!sscanvec(sskip2(s,3), nv.vdir) || normalize(nv.vdir) == 0.0) |
405 |
> |
VCOPY(nv.vdir, ourview.vdir); |
406 |
> |
|
407 |
> |
d = DOT(nv.vdir, nv.vup); /* need different up vector? */ |
408 |
> |
if (d*d >= 1.-2.*FTINY) { |
409 |
> |
int i; |
410 |
> |
nv.vup[0] = nv.vup[1] = nv.vup[2] = 0.0; |
411 |
> |
for (i = 3; i--; ) |
412 |
> |
if (nv.vdir[i]*nv.vdir[i] < 0.34) |
413 |
> |
break; |
414 |
> |
nv.vup[i] = 1.; |
415 |
> |
} |
416 |
> |
newview(&nv); |
417 |
> |
} |
418 |
> |
|
419 |
> |
|
420 |
> |
void |
421 |
|
getexposure( /* get new exposure */ |
422 |
|
char *s |
423 |
|
) |
424 |
|
{ |
425 |
|
char buf[128]; |
426 |
< |
register char *cp; |
376 |
< |
RECT r; |
426 |
> |
char *cp; |
427 |
|
int x, y; |
428 |
< |
register PNODE *p = &ptrunk; |
428 |
> |
PNODE *p = &ptrunk; |
429 |
|
int adapt = 0; |
430 |
|
double e = 1.0; |
431 |
|
|
442 |
|
(*dev->comout)("Pick point for exposure\n"); |
443 |
|
if ((*dev->getcur)(&x, &y) == ABORT) |
444 |
|
return; |
445 |
< |
r.l = r.d = 0; |
396 |
< |
r.r = hresolu; r.u = vresolu; |
397 |
< |
p = findrect(x, y, &ptrunk, &r, -1); |
445 |
> |
p = findrect(x, y, &ptrunk, -1); |
446 |
|
} else { |
447 |
|
if (*cp == '=') { /* absolute setting */ |
448 |
|
p = NULL; |
465 |
|
e *= atof(cp); |
466 |
|
} |
467 |
|
if (p != NULL) { /* relative setting */ |
468 |
+ |
compavg(p); |
469 |
|
if (bright(p->v) < 1e-15) { |
470 |
|
error(COMMAND, "cannot normalize to zero"); |
471 |
|
return; |
483 |
|
} |
484 |
|
|
485 |
|
typedef union {int i; double d; COLOR C;} *MyUptr; |
486 |
+ |
#define FEQ(x,y) (fabs((x)-(y)) <= FTINY) |
487 |
|
|
488 |
< |
extern int |
488 |
> |
int |
489 |
|
getparam( /* get variable from user */ |
490 |
|
char *str, |
491 |
|
char *dsc, |
493 |
|
void *p |
494 |
|
) |
495 |
|
{ |
496 |
< |
register MyUptr ptr = (MyUptr)p; |
496 |
> |
MyUptr ptr = (MyUptr)p; |
497 |
|
int i0; |
498 |
|
double d0, d1, d2; |
499 |
|
char buf[48]; |
508 |
|
if (sscanf(buf, "%d", &i0) != 1) |
509 |
|
return(0); |
510 |
|
} |
511 |
+ |
if (ptr->i == i0) |
512 |
+ |
return(0); |
513 |
|
ptr->i = i0; |
514 |
< |
return(1); |
514 |
> |
break; |
515 |
|
case 'r': /* real */ |
516 |
|
if (sscanf(str, "%lf", &d0) != 1) { |
517 |
|
(*dev->comout)(dsc); |
521 |
|
if (sscanf(buf, "%lf", &d0) != 1) |
522 |
|
return(0); |
523 |
|
} |
524 |
+ |
if (FEQ(ptr->d, d0)) |
525 |
+ |
return(0); |
526 |
|
ptr->d = d0; |
527 |
< |
return(1); |
527 |
> |
break; |
528 |
|
case 'b': /* boolean */ |
529 |
|
if (sscanf(str, "%1s", buf) != 1) { |
530 |
|
(*dev->comout)(dsc); |
531 |
|
sprintf(buf, "? (%c): ", ptr->i ? 'y' : 'n'); |
532 |
|
(*dev->comout)(buf); |
533 |
|
(*dev->comin)(buf, NULL); |
534 |
< |
if (buf[0] == '\0' || |
481 |
< |
strchr("yY+1tTnN-0fF", buf[0]) == NULL) |
534 |
> |
if (buf[0] == '\0') |
535 |
|
return(0); |
536 |
|
} |
537 |
< |
ptr->i = strchr("yY+1tT", buf[0]) != NULL; |
538 |
< |
return(1); |
537 |
> |
if (strchr("yY+1tTnN-0fF", buf[0]) == NULL) |
538 |
> |
return(0); |
539 |
> |
i0 = strchr("yY+1tT", buf[0]) != NULL; |
540 |
> |
if (ptr->i == i0) |
541 |
> |
return(0); |
542 |
> |
ptr->i = i0; |
543 |
> |
break; |
544 |
|
case 'C': /* color */ |
545 |
|
if (sscanf(str, "%lf %lf %lf", &d0, &d1, &d2) != 3) { |
546 |
|
(*dev->comout)(dsc); |
553 |
|
if (sscanf(buf, "%lf %lf %lf", &d0, &d1, &d2) != 3) |
554 |
|
return(0); |
555 |
|
} |
556 |
+ |
if (FEQ(colval(ptr->C,RED), d0) && |
557 |
+ |
FEQ(colval(ptr->C,GRN), d1) && |
558 |
+ |
FEQ(colval(ptr->C,BLU), d2)) |
559 |
+ |
return(0); |
560 |
|
setcolor(ptr->C, d0, d1, d2); |
561 |
< |
return(1); |
561 |
> |
break; |
562 |
> |
default: |
563 |
> |
return(0); /* shouldn't happen */ |
564 |
|
} |
565 |
< |
return 0; /* nothing matched */ |
565 |
> |
newparam++; |
566 |
> |
return(1); |
567 |
|
} |
568 |
|
|
569 |
|
|
570 |
< |
extern void |
570 |
> |
void |
571 |
|
setparam( /* get/set program parameter */ |
572 |
< |
register char *s |
572 |
> |
char *s |
573 |
|
) |
574 |
|
{ |
575 |
+ |
int prev_newp = newparam; |
576 |
|
char buf[128]; |
577 |
|
|
578 |
|
if (s[0] == '\0') { |
579 |
|
(*dev->comout)( |
580 |
< |
"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: "); |
580 |
> |
"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: "); |
581 |
|
(*dev->comin)(buf, NULL); |
582 |
|
s = buf; |
583 |
|
} |
584 |
|
switch (s[0]) { |
585 |
+ |
case 'u': /* uncorrelated sampling */ |
586 |
+ |
getparam(s+1, "uncorrelated sampling", 'b', |
587 |
+ |
(void *)&rand_samp); |
588 |
+ |
break; |
589 |
|
case 'l': /* limit */ |
590 |
|
switch (s[1]) { |
591 |
|
case 'w': /* weight */ |
638 |
|
case 'n': case 'N': case 'f': case 'F': case '0': case '-': |
639 |
|
getparam(s+1, "black and white", 'b', |
640 |
|
(void *)&greyscale); |
641 |
+ |
newparam = prev_newp; |
642 |
|
break; |
643 |
|
default: |
644 |
|
goto badparam; |
721 |
|
default: |
722 |
|
goto badparam; |
723 |
|
} |
724 |
+ |
newparam = prev_newp; |
725 |
|
break; |
726 |
|
case 's': /* specular */ |
727 |
|
switch (s[1]) { |
728 |
< |
case 'j': /* jitter */ |
729 |
< |
getparam(s+2, "specular jitter", 'r', |
728 |
> |
case 's': /* sampling */ |
729 |
> |
getparam(s+2, "specular sampling", 'r', |
730 |
|
(void *)&specjitter); |
731 |
|
break; |
732 |
|
case 't': /* threshold */ |
749 |
|
} |
750 |
|
|
751 |
|
|
752 |
< |
extern void |
753 |
< |
traceray(s) /* trace a single ray */ |
754 |
< |
char *s; |
752 |
> |
void |
753 |
> |
traceray( /* trace a single ray */ |
754 |
> |
char *s |
755 |
> |
) |
756 |
|
{ |
757 |
< |
char buf[128]; |
758 |
< |
int x, y; |
686 |
< |
OBJREC *ino; |
687 |
< |
RAY thisray; |
757 |
> |
RAY thisray; |
758 |
> |
char buf[512]; |
759 |
|
|
760 |
|
thisray.rmax = 0.0; |
761 |
|
|
762 |
|
if (!sscanvec(s, thisray.rorg) || |
763 |
|
!sscanvec(sskip2(s,3), thisray.rdir)) { |
764 |
+ |
int x, y; |
765 |
|
|
766 |
|
if (dev->getcur == NULL) |
767 |
|
return; |
780 |
|
return; |
781 |
|
} |
782 |
|
|
783 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
712 |
< |
|
713 |
< |
rayvalue(&thisray); |
783 |
> |
ray_trace(&thisray); |
784 |
|
|
785 |
|
if (thisray.ro == NULL) |
786 |
|
(*dev->comout)("ray hit nothing"); |
787 |
|
else { |
788 |
< |
sprintf(buf, "ray hit %s%s %s \"%s\"", |
789 |
< |
thisray.rod < 0.0 ? "back of " : "", |
790 |
< |
thisray.ro->omod == OVOID ? VOIDID : |
791 |
< |
objptr(thisray.ro->omod)->oname, |
788 |
> |
OBJREC *mat = NULL; |
789 |
> |
OBJREC *mod = NULL; |
790 |
> |
char matspec[256]; |
791 |
> |
OBJREC *ino; |
792 |
> |
|
793 |
> |
matspec[0] = '\0'; |
794 |
> |
if (thisray.ro->omod != OVOID) { |
795 |
> |
mod = objptr(thisray.ro->omod); |
796 |
> |
mat = findmaterial(mod); |
797 |
> |
} |
798 |
> |
if (thisray.rod < 0.0) |
799 |
> |
strcpy(matspec, "back of "); |
800 |
> |
if (mod != NULL) { |
801 |
> |
strcat(matspec, mod->oname); |
802 |
> |
if (mat != mod && mat != NULL) |
803 |
> |
sprintf(matspec+strlen(matspec), |
804 |
> |
" (%s)", mat->oname); |
805 |
> |
} else |
806 |
> |
strcat(matspec, VOIDID); |
807 |
> |
sprintf(buf, "ray hit %s %s \"%s\"", matspec, |
808 |
|
ofun[thisray.ro->otype].funame, |
809 |
|
thisray.ro->oname); |
810 |
|
if ((ino = objptr(thisray.robj)) != thisray.ro) |
832 |
|
} |
833 |
|
|
834 |
|
|
835 |
< |
extern void |
836 |
< |
writepict(s) /* write the picture to a file */ |
837 |
< |
char *s; |
835 |
> |
void |
836 |
> |
writepict( /* write the picture to a file */ |
837 |
> |
char *s |
838 |
> |
) |
839 |
|
{ |
840 |
|
static char buf[128]; |
841 |
|
char *fname; |
842 |
|
FILE *fp; |
843 |
|
COLR *scanline; |
844 |
|
int y; |
845 |
< |
|
846 |
< |
while (isspace(*s)) |
760 |
< |
s++; |
761 |
< |
if (*s) |
762 |
< |
atos(buf, sizeof(buf), s); |
763 |
< |
else if (buf[0] == '\0') { |
845 |
> |
/* XXX relies on words.c 2.11 behavior */ |
846 |
> |
if (nextword(buf, sizeof(buf), s) == NULL && !buf[0]) { |
847 |
|
error(COMMAND, "no file"); |
848 |
|
return; |
849 |
|
} |