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/* Copyright (c) 1992 Regents of the University of California */ |
2 |
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|
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#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ LBL"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
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#endif |
6 |
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|
4 |
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/* |
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* rv2.c - command routines used in tracing a view. |
6 |
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* |
7 |
< |
* 3/24/87 |
7 |
> |
* External symbols declared in rpaint.h |
8 |
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*/ |
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|
10 |
< |
#include "ray.h" |
10 |
> |
#include "copyright.h" |
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|
12 |
< |
#include "octree.h" |
12 |
> |
#include <ctype.h> |
13 |
> |
#include <string.h> |
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|
15 |
+ |
#include "platform.h" |
16 |
+ |
#include "ray.h" |
17 |
+ |
#include "ambient.h" |
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#include "otypes.h" |
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|
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#include "rpaint.h" |
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|
21 |
< |
#include "resolu.h" |
21 |
> |
extern int psample; /* pixel sample size */ |
22 |
> |
extern double maxdiff; /* max. sample difference */ |
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|
23 |
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#include <ctype.h> |
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|
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#define CTRL(c) ((c)-'@') |
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|
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#ifdef SMLFLT |
29 |
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#define sscanvec(s,v) (sscanf(s,"%lf %lf %lf",v,v+1,v+2)==3) |
30 |
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#endif |
31 |
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|
32 |
+ |
extern char rifname[128]; /* rad input file name */ |
33 |
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|
34 |
– |
extern char VersionID[]; |
34 |
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extern char *progname; |
35 |
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extern char *octname; |
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|
37 |
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|
38 |
< |
getframe(s) /* get a new frame */ |
39 |
< |
char *s; |
38 |
> |
extern void |
39 |
> |
getframe( /* get a new frame */ |
40 |
> |
char *s |
41 |
> |
) |
42 |
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{ |
43 |
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if (getrect(s, &pframe) < 0) |
44 |
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return; |
46 |
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} |
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|
48 |
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|
49 |
< |
getrepaint(s) /* get area and repaint */ |
50 |
< |
char *s; |
49 |
> |
extern void |
50 |
> |
getrepaint( /* get area and repaint */ |
51 |
> |
char *s |
52 |
> |
) |
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{ |
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RECT box; |
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|
59 |
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} |
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|
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|
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< |
getview(s) /* get/show view parameters */ |
63 |
< |
char *s; |
62 |
> |
extern void |
63 |
> |
getview( /* get/show view parameters */ |
64 |
> |
char *s |
65 |
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) |
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{ |
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FILE *fp; |
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char buf[128]; |
73 |
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while (isspace(*s)) |
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s++; |
75 |
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if (*s == '-') { /* command line parameters */ |
76 |
< |
copystruct(&nv, &ourview); |
76 |
> |
nv = ourview; |
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if (sscanview(&nv, s)) |
78 |
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newview(&nv); |
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else |
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fputs(progname, fp); |
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fprintview(&ourview, fp); |
92 |
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fputs(sskip(s), fp); |
93 |
< |
fputs("\n", fp); |
93 |
> |
putc('\n', fp); |
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fclose(fp); |
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return; |
96 |
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} |
140 |
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else { |
141 |
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nv.horiz = ourview.horiz; nv.vert = ourview.vert; |
142 |
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} |
143 |
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sprintf(buf, "fore and aft clipping plane (%.6g %.6g): ", |
144 |
+ |
ourview.vfore, ourview.vaft); |
145 |
+ |
(*dev->comout)(buf); |
146 |
+ |
(*dev->comin)(buf, NULL); |
147 |
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if (buf[0] == CTRL('C')) return; |
148 |
+ |
if (sscanf(buf, "%lf %lf", &nv.vfore, &nv.vaft) == 2) |
149 |
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change++; |
150 |
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else { |
151 |
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nv.vfore = ourview.vfore; nv.vaft = ourview.vaft; |
152 |
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} |
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sprintf(buf, "view shift and lift (%.6g %.6g): ", |
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ourview.hoff, ourview.voff); |
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(*dev->comout)(buf); |
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} |
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|
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|
168 |
< |
lastview(s) /* return to a previous view */ |
169 |
< |
char *s; |
168 |
> |
extern void |
169 |
> |
lastview( /* return to a previous view */ |
170 |
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char *s |
171 |
> |
) |
172 |
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{ |
173 |
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char buf[128]; |
174 |
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char *fname; |
176 |
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VIEW nv; |
177 |
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|
178 |
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if (sscanf(s, "%s", buf) == 1) { /* get parameters from a file */ |
179 |
< |
copystruct(&nv, &stdview); |
180 |
< |
if ((fname = getpath(buf, NULL, 0)) == NULL || |
179 |
> |
nv = stdview; |
180 |
> |
if ((fname = getpath(buf, "", R_OK)) == NULL || |
181 |
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(success = viewfile(fname, &nv, NULL)) == -1) { |
182 |
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sprintf(errmsg, "cannot open \"%s\"", buf); |
183 |
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error(COMMAND, errmsg); |
193 |
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error(COMMAND, "no previous view"); |
194 |
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return; |
195 |
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} |
196 |
< |
copystruct(&nv, &ourview); |
197 |
< |
copystruct(&ourview, &oldview); |
198 |
< |
copystruct(&oldview, &nv); |
196 |
> |
nv = ourview; |
197 |
> |
ourview = oldview; |
198 |
> |
oldview = nv; |
199 |
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newimage(); |
200 |
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} |
201 |
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|
202 |
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|
203 |
< |
getaim(s) /* aim camera */ |
204 |
< |
char *s; |
203 |
> |
extern void |
204 |
> |
saveview( /* save view to rad file */ |
205 |
> |
char *s |
206 |
> |
) |
207 |
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{ |
208 |
+ |
char view[64]; |
209 |
+ |
char *fname; |
210 |
+ |
FILE *fp; |
211 |
+ |
|
212 |
+ |
if (*atos(view, sizeof(view), s)) { |
213 |
+ |
if (isint(view)) { |
214 |
+ |
error(COMMAND, "cannot write view by number"); |
215 |
+ |
return; |
216 |
+ |
} |
217 |
+ |
s = sskip(s); |
218 |
+ |
} |
219 |
+ |
while (isspace(*s)) |
220 |
+ |
s++; |
221 |
+ |
if (*s) |
222 |
+ |
atos(rifname, sizeof(rifname), s); |
223 |
+ |
else if (rifname[0] == '\0') { |
224 |
+ |
error(COMMAND, "no previous rad file"); |
225 |
+ |
return; |
226 |
+ |
} |
227 |
+ |
if ((fname = getpath(rifname, NULL, 0)) == NULL || |
228 |
+ |
(fp = fopen(fname, "a")) == NULL) { |
229 |
+ |
sprintf(errmsg, "cannot open \"%s\"", rifname); |
230 |
+ |
error(COMMAND, errmsg); |
231 |
+ |
return; |
232 |
+ |
} |
233 |
+ |
fputs("view= ", fp); |
234 |
+ |
fputs(view, fp); |
235 |
+ |
fprintview(&ourview, fp); |
236 |
+ |
putc('\n', fp); |
237 |
+ |
fclose(fp); |
238 |
+ |
} |
239 |
+ |
|
240 |
+ |
|
241 |
+ |
extern void |
242 |
+ |
loadview( /* load view from rad file */ |
243 |
+ |
char *s |
244 |
+ |
) |
245 |
+ |
{ |
246 |
+ |
char buf[512]; |
247 |
+ |
char *fname; |
248 |
+ |
FILE *fp; |
249 |
+ |
VIEW nv; |
250 |
+ |
|
251 |
+ |
strcpy(buf, "rad -n -s -V -v "); |
252 |
+ |
if (sscanf(s, "%s", buf+strlen(buf)) == 1) |
253 |
+ |
s = sskip(s); |
254 |
+ |
else |
255 |
+ |
strcat(buf, "1"); |
256 |
+ |
if (*s) |
257 |
+ |
atos(rifname, sizeof(rifname), s); |
258 |
+ |
else if (rifname[0] == '\0') { |
259 |
+ |
error(COMMAND, "no previous rad file"); |
260 |
+ |
return; |
261 |
+ |
} |
262 |
+ |
if ((fname = getpath(rifname, "", R_OK)) == NULL) { |
263 |
+ |
sprintf(errmsg, "cannot access \"%s\"", rifname); |
264 |
+ |
error(COMMAND, errmsg); |
265 |
+ |
return; |
266 |
+ |
} |
267 |
+ |
sprintf(buf+strlen(buf), " %s", fname); |
268 |
+ |
if ((fp = popen(buf, "r")) == NULL) { |
269 |
+ |
error(COMMAND, "cannot run rad"); |
270 |
+ |
return; |
271 |
+ |
} |
272 |
+ |
buf[0] = '\0'; |
273 |
+ |
fgets(buf, sizeof(buf), fp); |
274 |
+ |
pclose(fp); |
275 |
+ |
nv = stdview; |
276 |
+ |
if (!sscanview(&nv, buf)) { |
277 |
+ |
error(COMMAND, "rad error -- no such view?"); |
278 |
+ |
return; |
279 |
+ |
} |
280 |
+ |
newview(&nv); |
281 |
+ |
} |
282 |
+ |
|
283 |
+ |
|
284 |
+ |
extern void |
285 |
+ |
getaim( /* aim camera */ |
286 |
+ |
char *s |
287 |
+ |
) |
288 |
+ |
{ |
289 |
|
double zfact; |
290 |
|
VIEW nv; |
291 |
|
|
294 |
|
nv.type = ourview.type; |
295 |
|
VCOPY(nv.vp, ourview.vp); |
296 |
|
VCOPY(nv.vup, ourview.vup); |
197 |
– |
nv.hoff = ourview.hoff; nv.voff = ourview.voff; |
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; |
300 |
|
zoomview(&nv, zfact); |
301 |
|
newview(&nv); |
302 |
|
} |
303 |
|
|
304 |
|
|
305 |
< |
getmove(s) /* move camera */ |
306 |
< |
char *s; |
305 |
> |
extern void |
306 |
> |
getmove( /* move camera */ |
307 |
> |
char *s |
308 |
> |
) |
309 |
|
{ |
310 |
|
FVECT vc; |
311 |
|
double mag; |
316 |
|
} |
317 |
|
|
318 |
|
|
319 |
< |
getrotate(s) /* rotate camera */ |
320 |
< |
char *s; |
319 |
> |
extern void |
320 |
> |
getrotate( /* rotate camera */ |
321 |
> |
char *s |
322 |
> |
) |
323 |
|
{ |
324 |
|
VIEW nv; |
325 |
|
FVECT v1; |
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; |
338 |
|
spinvector(nv.vdir, ourview.vdir, ourview.vup, angle*(PI/180.)); |
339 |
|
if (elev != 0.0) { |
340 |
|
fcross(v1, nv.vdir, ourview.vup); |
347 |
|
} |
348 |
|
|
349 |
|
|
350 |
< |
getpivot(s) /* pivot viewpoint */ |
351 |
< |
register char *s; |
350 |
> |
extern void |
351 |
> |
getpivot( /* pivot viewpoint */ |
352 |
> |
register char *s |
353 |
> |
) |
354 |
|
{ |
355 |
|
FVECT vc; |
356 |
|
double angle, elev, mag; |
360 |
|
error(COMMAND, "missing angle"); |
361 |
|
return; |
362 |
|
} |
363 |
< |
if (getinterest(sskip(sskip(s)), 0, vc, &mag) < 0) |
363 |
> |
if (getinterest(sskip2(s,2), 0, vc, &mag) < 0) |
364 |
|
return; |
365 |
|
moveview(angle, elev, mag, vc); |
366 |
|
} |
367 |
|
|
368 |
|
|
369 |
< |
getexposure(s) /* get new exposure */ |
370 |
< |
char *s; |
369 |
> |
extern void |
370 |
> |
getexposure( /* get new exposure */ |
371 |
> |
char *s |
372 |
> |
) |
373 |
|
{ |
374 |
|
char buf[128]; |
375 |
|
register char *cp; |
266 |
– |
register PNODE *p; |
376 |
|
RECT r; |
377 |
|
int x, y; |
378 |
< |
double e; |
378 |
> |
register PNODE *p = &ptrunk; |
379 |
> |
int adapt = 0; |
380 |
> |
double e = 1.0; |
381 |
|
|
382 |
|
for (cp = s; isspace(*cp); cp++) |
383 |
|
; |
384 |
+ |
if (*cp == '@') { |
385 |
+ |
adapt++; |
386 |
+ |
while (isspace(*++cp)) |
387 |
+ |
; |
388 |
+ |
} |
389 |
|
if (*cp == '\0') { /* normalize to point */ |
390 |
|
if (dev->getcur == NULL) |
391 |
|
return; |
395 |
|
r.l = r.d = 0; |
396 |
|
r.r = hresolu; r.u = vresolu; |
397 |
|
p = findrect(x, y, &ptrunk, &r, -1); |
282 |
– |
e = 1.0; |
398 |
|
} else { |
399 |
|
if (*cp == '=') { /* absolute setting */ |
400 |
|
p = NULL; |
410 |
|
if (*cp == '\0') |
411 |
|
return; |
412 |
|
} |
298 |
– |
} else { /* normalize to average */ |
299 |
– |
p = &ptrunk; |
300 |
– |
e = 1.0; |
413 |
|
} |
414 |
|
if (*cp == '+' || *cp == '-') /* f-stops */ |
415 |
|
e *= pow(2.0, atof(cp)); |
421 |
|
error(COMMAND, "cannot normalize to zero"); |
422 |
|
return; |
423 |
|
} |
424 |
< |
e *= 0.5 / bright(p->v); |
424 |
> |
if (adapt) |
425 |
> |
e *= 106./pow(1.219+pow(luminance(p->v)/exposure,.4),2.5)/exposure; |
426 |
> |
else |
427 |
> |
e *= 0.5 / bright(p->v); |
428 |
|
} |
429 |
|
if (e <= FTINY || fabs(1.0 - e) <= FTINY) |
430 |
|
return; |
433 |
|
redraw(); |
434 |
|
} |
435 |
|
|
436 |
+ |
typedef union {int i; double d; COLOR C;} *MyUptr; |
437 |
|
|
438 |
< |
getparam(str, dsc, typ, ptr) /* get variable from user */ |
439 |
< |
char *str, *dsc; |
440 |
< |
int typ; |
441 |
< |
register union {int i; double d; COLOR C;} *ptr; |
438 |
> |
extern int |
439 |
> |
getparam( /* get variable from user */ |
440 |
> |
char *str, |
441 |
> |
char *dsc, |
442 |
> |
int typ, |
443 |
> |
void *p |
444 |
> |
) |
445 |
|
{ |
446 |
< |
extern char *index(); |
446 |
> |
register MyUptr ptr = (MyUptr)p; |
447 |
|
int i0; |
448 |
|
double d0, d1, d2; |
449 |
|
char buf[48]; |
478 |
|
(*dev->comout)(buf); |
479 |
|
(*dev->comin)(buf, NULL); |
480 |
|
if (buf[0] == '\0' || |
481 |
< |
index("yY+1tTnN-0fF", buf[0]) == NULL) |
481 |
> |
strchr("yY+1tTnN-0fF", buf[0]) == NULL) |
482 |
|
return(0); |
483 |
|
} |
484 |
< |
ptr->i = index("yY+1tT", buf[0]) != NULL; |
484 |
> |
ptr->i = strchr("yY+1tT", buf[0]) != NULL; |
485 |
|
return(1); |
486 |
|
case 'C': /* color */ |
487 |
|
if (sscanf(str, "%lf %lf %lf", &d0, &d1, &d2) != 3) { |
498 |
|
setcolor(ptr->C, d0, d1, d2); |
499 |
|
return(1); |
500 |
|
} |
501 |
+ |
return 0; /* nothing matched */ |
502 |
|
} |
503 |
|
|
504 |
|
|
505 |
< |
setparam(s) /* get/set program parameter */ |
506 |
< |
register char *s; |
505 |
> |
extern void |
506 |
> |
setparam( /* get/set program parameter */ |
507 |
> |
register char *s |
508 |
> |
) |
509 |
|
{ |
388 |
– |
extern int psample; |
389 |
– |
extern double maxdiff; |
390 |
– |
extern double minweight; |
391 |
– |
extern int maxdepth; |
392 |
– |
extern double dstrsrc; |
393 |
– |
extern double shadthresh; |
394 |
– |
extern double shadcert; |
395 |
– |
extern COLOR ambval; |
396 |
– |
extern double ambacc; |
397 |
– |
extern int ambres; |
398 |
– |
extern int ambdiv; |
399 |
– |
extern int ambssamp; |
400 |
– |
extern int ambounce; |
401 |
– |
extern int directvis; |
402 |
– |
extern double srcsizerat; |
403 |
– |
extern int do_irrad; |
404 |
– |
extern double specjitter; |
405 |
– |
extern double specthresh; |
510 |
|
char buf[128]; |
511 |
|
|
512 |
|
if (s[0] == '\0') { |
513 |
|
(*dev->comout)( |
514 |
< |
"aa ab ad ar as av b dc di dj ds dt i lr lw ps pt sj st: "); |
514 |
> |
"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: "); |
515 |
|
(*dev->comin)(buf, NULL); |
516 |
|
s = buf; |
517 |
|
} |
519 |
|
case 'l': /* limit */ |
520 |
|
switch (s[1]) { |
521 |
|
case 'w': /* weight */ |
522 |
< |
getparam(s+2, "limit weight", 'r', &minweight); |
522 |
> |
getparam(s+2, "limit weight", 'r', |
523 |
> |
(void *)&minweight); |
524 |
|
break; |
525 |
|
case 'r': /* reflection */ |
526 |
< |
getparam(s+2, "limit reflection", 'i', &maxdepth); |
526 |
> |
getparam(s+2, "limit reflection", 'i', |
527 |
> |
(void *)&maxdepth); |
528 |
|
break; |
529 |
|
default: |
530 |
|
goto badparam; |
533 |
|
case 'd': /* direct */ |
534 |
|
switch (s[1]) { |
535 |
|
case 'j': /* jitter */ |
536 |
< |
getparam(s+2, "direct jitter", 'r', &dstrsrc); |
536 |
> |
getparam(s+2, "direct jitter", 'r', |
537 |
> |
(void *)&dstrsrc); |
538 |
|
break; |
539 |
|
case 'c': /* certainty */ |
540 |
< |
getparam(s+2, "direct certainty", 'r', &shadcert); |
540 |
> |
getparam(s+2, "direct certainty", 'r', |
541 |
> |
(void *)&shadcert); |
542 |
|
break; |
543 |
|
case 't': /* threshold */ |
544 |
< |
getparam(s+2, "direct threshold", 'r', &shadthresh); |
544 |
> |
getparam(s+2, "direct threshold", 'r', |
545 |
> |
(void *)&shadthresh); |
546 |
|
break; |
547 |
|
case 'v': /* visibility */ |
548 |
< |
getparam(s+2, "direct visibility", |
549 |
< |
'b', &directvis); |
548 |
> |
getparam(s+2, "direct visibility", 'b', |
549 |
> |
(void *)&directvis); |
550 |
|
break; |
551 |
|
case 's': /* sampling */ |
552 |
< |
getparam(s+2, "direct sampling", 'r', &srcsizerat); |
552 |
> |
getparam(s+2, "direct sampling", 'r', |
553 |
> |
(void *)&srcsizerat); |
554 |
|
break; |
555 |
|
default: |
556 |
|
goto badparam; |
557 |
|
} |
558 |
|
break; |
559 |
< |
case 'b': /* black and white */ |
560 |
< |
getparam(s+1, "black and white", 'b', &greyscale); |
559 |
> |
case 'b': /* back faces or black and white */ |
560 |
> |
switch (s[1]) { |
561 |
> |
case 'v': /* back face visibility */ |
562 |
> |
getparam(s+2, "back face visibility", 'b', |
563 |
> |
(void *)&backvis); |
564 |
> |
break; |
565 |
> |
case '\0': /* black and white */ |
566 |
> |
case ' ': |
567 |
> |
case 'y': case 'Y': case 't': case 'T': case '1': case '+': |
568 |
> |
case 'n': case 'N': case 'f': case 'F': case '0': case '-': |
569 |
> |
getparam(s+1, "black and white", 'b', |
570 |
> |
(void *)&greyscale); |
571 |
> |
break; |
572 |
> |
default: |
573 |
> |
goto badparam; |
574 |
> |
} |
575 |
|
break; |
576 |
|
case 'i': /* irradiance */ |
577 |
< |
getparam(s+1, "irradiance", 'b', &do_irrad); |
577 |
> |
getparam(s+1, "irradiance", 'b', |
578 |
> |
(void *)&do_irrad); |
579 |
|
break; |
580 |
|
case 'a': /* ambient */ |
581 |
|
switch (s[1]) { |
582 |
|
case 'v': /* value */ |
583 |
< |
getparam(s+2, "ambient value", 'C', (COLOR *)ambval); |
583 |
> |
getparam(s+2, "ambient value", 'C', |
584 |
> |
(void *)ambval); |
585 |
|
break; |
586 |
+ |
case 'w': /* weight */ |
587 |
+ |
getparam(s+2, "ambient value weight", 'i', |
588 |
+ |
(void *)&ambvwt); |
589 |
+ |
break; |
590 |
|
case 'a': /* accuracy */ |
591 |
< |
getparam(s+2, "ambient accuracy", 'r', &ambacc); |
591 |
> |
if (getparam(s+2, "ambient accuracy", 'r', |
592 |
> |
(void *)&ambacc)) |
593 |
> |
setambacc(ambacc); |
594 |
|
break; |
595 |
|
case 'd': /* divisions */ |
596 |
< |
getparam(s+2, "ambient divisions", 'i', &ambdiv); |
596 |
> |
getparam(s+2, "ambient divisions", 'i', |
597 |
> |
(void *)&ambdiv); |
598 |
|
break; |
599 |
|
case 's': /* samples */ |
600 |
< |
getparam(s+2, "ambient super-samples", 'i', &ambssamp); |
600 |
> |
getparam(s+2, "ambient super-samples", 'i', |
601 |
> |
(void *)&ambssamp); |
602 |
|
break; |
603 |
|
case 'b': /* bounces */ |
604 |
< |
getparam(s+2, "ambient bounces", 'i', &ambounce); |
604 |
> |
getparam(s+2, "ambient bounces", 'i', |
605 |
> |
(void *)&ambounce); |
606 |
|
break; |
607 |
|
case 'r': |
608 |
< |
if (getparam(s+2, "ambient resolution", 'i', &ambres)) |
608 |
> |
if (getparam(s+2, "ambient resolution", 'i', |
609 |
> |
(void *)&ambres)) |
610 |
|
setambres(ambres); |
611 |
|
break; |
612 |
|
default: |
613 |
|
goto badparam; |
614 |
|
} |
615 |
|
break; |
616 |
+ |
case 'm': /* medium */ |
617 |
+ |
switch (s[1]) { |
618 |
+ |
case 'e': /* extinction coefficient */ |
619 |
+ |
getparam(s+2, "extinction coefficient", 'C', |
620 |
+ |
(void *)cextinction); |
621 |
+ |
break; |
622 |
+ |
case 'a': /* scattering albedo */ |
623 |
+ |
getparam(s+2, "scattering albedo", 'C', |
624 |
+ |
(void *)salbedo); |
625 |
+ |
break; |
626 |
+ |
case 'g': /* scattering eccentricity */ |
627 |
+ |
getparam(s+2, "scattering eccentricity", 'r', |
628 |
+ |
(void *)&seccg); |
629 |
+ |
break; |
630 |
+ |
case 's': /* sampling distance */ |
631 |
+ |
getparam(s+2, "mist sampling distance", 'r', |
632 |
+ |
(void *)&ssampdist); |
633 |
+ |
break; |
634 |
+ |
default: |
635 |
+ |
goto badparam; |
636 |
+ |
} |
637 |
+ |
break; |
638 |
|
case 'p': /* pixel */ |
639 |
|
switch (s[1]) { |
640 |
|
case 's': /* sample */ |
641 |
< |
if (getparam(s+2, "pixel sample", 'i', &psample)) |
641 |
> |
if (getparam(s+2, "pixel sample", 'i', |
642 |
> |
(void *)&psample)) |
643 |
|
pdepth = 0; |
644 |
|
break; |
645 |
|
case 't': /* threshold */ |
646 |
< |
if (getparam(s+2, "pixel threshold", 'r', &maxdiff)) |
646 |
> |
if (getparam(s+2, "pixel threshold", 'r', |
647 |
> |
(void *)&maxdiff)) |
648 |
|
pdepth = 0; |
649 |
|
break; |
650 |
|
default: |
654 |
|
case 's': /* specular */ |
655 |
|
switch (s[1]) { |
656 |
|
case 'j': /* jitter */ |
657 |
< |
getparam(s+2, "specular jitter", 'r', &specjitter); |
657 |
> |
getparam(s+2, "specular jitter", 'r', |
658 |
> |
(void *)&specjitter); |
659 |
|
break; |
660 |
|
case 't': /* threshold */ |
661 |
< |
getparam(s+2, "specular threshold", 'r', &specthresh); |
661 |
> |
getparam(s+2, "specular threshold", 'r', |
662 |
> |
(void *)&specthresh); |
663 |
|
break; |
664 |
|
default: |
665 |
|
goto badparam; |
677 |
|
} |
678 |
|
|
679 |
|
|
680 |
+ |
extern void |
681 |
|
traceray(s) /* trace a single ray */ |
682 |
|
char *s; |
683 |
|
{ |
684 |
|
char buf[128]; |
685 |
|
int x, y; |
686 |
+ |
OBJREC *ino; |
687 |
|
RAY thisray; |
688 |
|
|
689 |
+ |
thisray.rmax = 0.0; |
690 |
+ |
|
691 |
|
if (!sscanvec(s, thisray.rorg) || |
692 |
< |
!sscanvec(sskip(sskip(sskip(s))), thisray.rdir)) { |
692 |
> |
!sscanvec(sskip2(s,3), thisray.rdir)) { |
693 |
|
|
694 |
|
if (dev->getcur == NULL) |
695 |
|
return; |
697 |
|
if ((*dev->getcur)(&x, &y) == ABORT) |
698 |
|
return; |
699 |
|
|
700 |
< |
if (viewray(thisray.rorg, thisray.rdir, &ourview, |
701 |
< |
(x+.5)/hresolu, (y+.5)/vresolu) < 0) { |
700 |
> |
if ((thisray.rmax = viewray(thisray.rorg, thisray.rdir, |
701 |
> |
&ourview, (x+.5)/hresolu, (y+.5)/vresolu)) < -FTINY) { |
702 |
|
error(COMMAND, "not on image"); |
703 |
|
return; |
704 |
|
} |
715 |
|
if (thisray.ro == NULL) |
716 |
|
(*dev->comout)("ray hit nothing"); |
717 |
|
else { |
718 |
< |
sprintf(buf, "ray hit %s %s \"%s\"", |
719 |
< |
objptr(thisray.ro->omod)->oname, |
718 |
> |
sprintf(buf, "ray hit %s%s %s \"%s\"", |
719 |
> |
thisray.rod < 0.0 ? "back of " : "", |
720 |
> |
thisray.ro->omod == OVOID ? VOIDID : |
721 |
> |
objptr(thisray.ro->omod)->oname, |
722 |
|
ofun[thisray.ro->otype].funame, |
723 |
|
thisray.ro->oname); |
724 |
+ |
if ((ino = objptr(thisray.robj)) != thisray.ro) |
725 |
+ |
sprintf(buf+strlen(buf), " in %s \"%s\"", |
726 |
+ |
ofun[ino->otype].funame, ino->oname); |
727 |
|
(*dev->comout)(buf); |
728 |
|
(*dev->comin)(buf, NULL); |
729 |
|
if (thisray.rot >= FHUGE) |
730 |
|
(*dev->comout)("at infinity"); |
731 |
|
else { |
732 |
< |
sprintf(buf, "at (%.6g %.6g %.6g)", thisray.rop[0], |
733 |
< |
thisray.rop[1], thisray.rop[2]); |
732 |
> |
sprintf(buf, "at (%.6g %.6g %.6g) (%.6g)", |
733 |
> |
thisray.rop[0], thisray.rop[1], |
734 |
> |
thisray.rop[2], thisray.rt); |
735 |
|
(*dev->comout)(buf); |
736 |
|
} |
737 |
|
(*dev->comin)(buf, NULL); |
738 |
< |
sprintf(buf, "value (%.5g %.5g %.5g) (%.1fL)", |
738 |
> |
sprintf(buf, "value (%.5g %.5g %.5g) (%.3gL)", |
739 |
|
colval(thisray.rcol,RED), |
740 |
|
colval(thisray.rcol,GRN), |
741 |
|
colval(thisray.rcol,BLU), |
746 |
|
} |
747 |
|
|
748 |
|
|
749 |
+ |
extern void |
750 |
|
writepict(s) /* write the picture to a file */ |
751 |
|
char *s; |
752 |
|
{ |
756 |
|
COLR *scanline; |
757 |
|
int y; |
758 |
|
|
759 |
< |
if (sscanf(s, "%s", buf) != 1 && buf[0] == '\0') { |
759 |
> |
while (isspace(*s)) |
760 |
> |
s++; |
761 |
> |
if (*s) |
762 |
> |
atos(buf, sizeof(buf), s); |
763 |
> |
else if (buf[0] == '\0') { |
764 |
|
error(COMMAND, "no file"); |
765 |
|
return; |
766 |
|
} |
770 |
|
error(COMMAND, errmsg); |
771 |
|
return; |
772 |
|
} |
773 |
< |
#ifdef MSDOS |
597 |
< |
setmode(fileno(fp), O_BINARY); |
598 |
< |
#endif |
773 |
> |
SET_FILE_BINARY(fp); |
774 |
|
(*dev->comout)("writing \""); |
775 |
|
(*dev->comout)(fname); |
776 |
|
(*dev->comout)("\"...\n"); |
777 |
|
/* write header */ |
778 |
+ |
newheader("RADIANCE", fp); |
779 |
|
fputs(progname, fp); |
780 |
|
fprintview(&ourview, fp); |
781 |
|
if (octname != NULL) |
783 |
|
else |
784 |
|
putc('\n', fp); |
785 |
|
fprintf(fp, "SOFTWARE= %s\n", VersionID); |
786 |
+ |
fputnow(fp); |
787 |
|
if (exposure != 1.0) |
788 |
|
fputexpos(exposure, fp); |
789 |
|
if (dev->pixaspect != 1.0) |
804 |
|
if (fwritecolrs(scanline, hresolu, fp) < 0) |
805 |
|
break; |
806 |
|
} |
807 |
< |
free((char *)scanline); |
807 |
> |
free((void *)scanline); |
808 |
|
if (fclose(fp) < 0) |
809 |
|
error(COMMAND, "write error"); |
810 |
|
} |