50 |
|
|
51 |
|
char *tralist[128]; /* list of modifers to trace (or no) */ |
52 |
|
int traincl = -1; /* include == 1, exclude == 0 */ |
53 |
< |
#define MAXTSET 511 /* maximum number in trace set */ |
53 |
> |
#ifndef MAXTSET |
54 |
> |
#define MAXTSET 1024 /* maximum number in trace set */ |
55 |
> |
#endif |
56 |
|
OBJECT traset[MAXTSET+1]={0}; /* trace include/exclude set */ |
57 |
|
|
58 |
|
int hresolu = 0; /* horizontal (scan) size */ |
76 |
|
|
77 |
|
int backvis = 1; /* back face visibility */ |
78 |
|
|
79 |
< |
int maxdepth = 8; /* maximum recursion depth */ |
79 |
> |
int maxdepth = -10; /* maximum recursion depth */ |
80 |
|
double minweight = 2e-3; /* minimum ray weight */ |
81 |
|
|
82 |
|
char *ambfile = NULL; /* ambient file name */ |
98 |
|
static putf_t puta, putd, putf; |
99 |
|
|
100 |
|
typedef void oputf_t(RAY *r); |
101 |
< |
static oputf_t oputo, oputd, oputv, oputl, oputL, oputc, |
102 |
< |
oputp, oputn, oputN, oputs, oputw, oputm, oputM; |
101 |
> |
static oputf_t oputo, oputd, oputv, oputl, oputL, oputc, oputp, |
102 |
> |
oputn, oputN, oputs, oputw, oputW, oputm, oputM, oputtilde; |
103 |
|
|
104 |
|
static void setoutput(char *vs); |
105 |
|
static void tranotify(OBJECT obj); |
150 |
|
char *fname |
151 |
|
) |
152 |
|
{ |
153 |
< |
long vcount = hresolu>1 ? hresolu*vresolu : vresolu; |
153 |
> |
unsigned long vcount = (hresolu > 1) ? (unsigned long)hresolu*vresolu |
154 |
> |
: vresolu; |
155 |
|
long nextflush = hresolu; |
156 |
|
FILE *fp; |
157 |
|
double d; |
163 |
|
sprintf(errmsg, "cannot open input file \"%s\"", fname); |
164 |
|
error(SYSTEM, errmsg); |
165 |
|
} |
163 |
– |
#ifdef _WIN32 |
166 |
|
if (inform != 'a') |
167 |
|
SET_FILE_BINARY(fp); |
166 |
– |
#endif |
168 |
|
/* set up output */ |
169 |
|
setoutput(outvals); |
170 |
|
switch (outform) { |
190 |
|
d = normalize(direc); |
191 |
|
if (d == 0.0) { /* zero ==> flush */ |
192 |
|
bogusray(); |
193 |
< |
if (--nextflush <= 0 || vcount <= 0) { |
193 |
> |
if (--nextflush <= 0 || !vcount) { |
194 |
|
fflush(stdout); |
195 |
|
nextflush = hresolu; |
196 |
|
} |
202 |
|
else |
203 |
|
rad(orig, direc, lim_dist ? d : 0.0); |
204 |
|
/* flush if time */ |
205 |
< |
if (--nextflush == 0) { |
205 |
> |
if (!--nextflush) { |
206 |
|
fflush(stdout); |
207 |
|
nextflush = hresolu; |
208 |
|
} |
209 |
|
} |
210 |
|
if (ferror(stdout)) |
211 |
|
error(SYSTEM, "write error"); |
212 |
< |
if (--vcount == 0) /* check for end */ |
212 |
> |
if (vcount && !--vcount) /* check for end */ |
213 |
|
break; |
214 |
|
} |
215 |
|
fflush(stdout); |
216 |
< |
if (vcount > 0) |
217 |
< |
error(USER, "read error"); |
216 |
> |
if (vcount) |
217 |
> |
error(USER, "unexpected EOF on input"); |
218 |
|
if (fname != NULL) |
219 |
|
fclose(fp); |
220 |
|
} |
221 |
|
|
222 |
|
|
223 |
|
static void |
224 |
+ |
trace_sources(void) /* trace rays to light sources, also */ |
225 |
+ |
{ |
226 |
+ |
int sn; |
227 |
+ |
|
228 |
+ |
for (sn = 0; sn < nsources; sn++) |
229 |
+ |
source[sn].sflags |= SFOLLOW; |
230 |
+ |
} |
231 |
+ |
|
232 |
+ |
|
233 |
+ |
static void |
234 |
|
setoutput( /* set up output tables */ |
235 |
|
register char *vs |
236 |
|
) |
240 |
|
castonly = 1; |
241 |
|
while (*vs) |
242 |
|
switch (*vs++) { |
243 |
+ |
case 'T': /* trace sources */ |
244 |
+ |
if (!*vs) break; |
245 |
+ |
trace_sources(); |
246 |
+ |
/* fall through */ |
247 |
|
case 't': /* trace */ |
248 |
+ |
if (!*vs) break; |
249 |
|
*table = NULL; |
250 |
|
table = every_out; |
251 |
|
trace = ourtrace; |
287 |
|
case 'w': /* weight */ |
288 |
|
*table++ = oputw; |
289 |
|
break; |
290 |
+ |
case 'W': /* coefficient */ |
291 |
+ |
*table++ = oputW; |
292 |
+ |
if (ambounce > 0 && (ambacc > FTINY || ambssamp > 0)) |
293 |
+ |
error(WARNING, |
294 |
+ |
"-otW accuracy depends on -aa 0 -as 0"); |
295 |
+ |
break; |
296 |
|
case 'm': /* modifier */ |
297 |
|
*table++ = oputm; |
298 |
|
break; |
299 |
|
case 'M': /* material */ |
300 |
|
*table++ = oputM; |
301 |
|
break; |
302 |
+ |
case '~': /* tilde */ |
303 |
+ |
*table++ = oputtilde; |
304 |
+ |
break; |
305 |
|
} |
306 |
|
*table = NULL; |
307 |
|
} |
312 |
|
{ |
313 |
|
thisray.rorg[0] = thisray.rorg[1] = thisray.rorg[2] = |
314 |
|
thisray.rdir[0] = thisray.rdir[1] = thisray.rdir[2] = 0.0; |
315 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
315 |
> |
thisray.rmax = 0.0; |
316 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
317 |
|
printvals(&thisray); |
318 |
|
} |
319 |
|
|
328 |
|
VCOPY(thisray.rorg, org); |
329 |
|
VCOPY(thisray.rdir, dir); |
330 |
|
thisray.rmax = dmax; |
331 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
331 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
332 |
|
if (castonly) { |
333 |
|
if (!localhit(&thisray, &thescene)) { |
334 |
|
if (thisray.ro == &Aftplane) { /* clipped */ |
355 |
|
thisray.rorg[i] = org[i] + dir[i]; |
356 |
|
thisray.rdir[i] = -dir[i]; |
357 |
|
} |
358 |
< |
rayorigin(&thisray, NULL, PRIMARY, 1.0); |
358 |
> |
thisray.rmax = 0.0; |
359 |
> |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
360 |
|
/* pretend we hit surface */ |
361 |
|
thisray.rot = 1.0-1e-4; |
362 |
|
thisray.rod = 1.0; |
469 |
|
tabin(r); |
470 |
|
for (tp = every_out; *tp != NULL; tp++) |
471 |
|
(**tp)(r); |
472 |
< |
putchar('\n'); |
472 |
> |
if (outform == 'a') |
473 |
> |
putchar('\n'); |
474 |
|
} |
475 |
|
|
476 |
|
|
479 |
|
RAY *r |
480 |
|
) |
481 |
|
{ |
482 |
< |
register RAY *rp; |
482 |
> |
const RAY *rp; |
483 |
|
|
484 |
|
for (rp = r->parent; rp != NULL; rp = rp->parent) |
485 |
|
putchar('\t'); |
513 |
|
RAY *r |
514 |
|
) |
515 |
|
{ |
488 |
– |
COLR cout; |
489 |
– |
|
516 |
|
if (outform == 'c') { |
517 |
+ |
COLR cout; |
518 |
|
setcolr(cout, colval(r->rcol,RED), |
519 |
|
colval(r->rcol,GRN), |
520 |
|
colval(r->rcol,BLU)); |
632 |
|
|
633 |
|
|
634 |
|
static void |
635 |
+ |
oputW( /* print contribution */ |
636 |
+ |
RAY *r |
637 |
+ |
) |
638 |
+ |
{ |
639 |
+ |
COLOR contr; |
640 |
+ |
|
641 |
+ |
raycontrib(contr, r, PRIMARY); |
642 |
+ |
(*putreal)(colval(contr,RED)); |
643 |
+ |
(*putreal)(colval(contr,GRN)); |
644 |
+ |
(*putreal)(colval(contr,BLU)); |
645 |
+ |
} |
646 |
+ |
|
647 |
+ |
|
648 |
+ |
static void |
649 |
|
oputm( /* print modifier */ |
650 |
|
RAY *r |
651 |
|
) |
676 |
|
} else |
677 |
|
putchar('*'); |
678 |
|
putchar('\t'); |
679 |
+ |
} |
680 |
+ |
|
681 |
+ |
|
682 |
+ |
static void |
683 |
+ |
oputtilde( /* output tilde (spacer) */ |
684 |
+ |
RAY *r |
685 |
+ |
) |
686 |
+ |
{ |
687 |
+ |
fputs("~\t", stdout); |
688 |
|
} |
689 |
|
|
690 |
|
|