74 |
|
|
75 |
|
int backvis = 1; /* back face visibility */ |
76 |
|
|
77 |
< |
int maxdepth = 8; /* maximum recursion depth */ |
77 |
> |
int maxdepth = -10; /* maximum recursion depth */ |
78 |
|
double minweight = 2e-3; /* minimum ray weight */ |
79 |
|
|
80 |
|
char *ambfile = NULL; /* ambient file name */ |
97 |
|
|
98 |
|
typedef void oputf_t(RAY *r); |
99 |
|
static oputf_t oputo, oputd, oputv, oputl, oputL, oputc, oputp, |
100 |
< |
oputn, oputN, oputs, oputw, oputW, oputm, oputM; |
100 |
> |
oputn, oputN, oputs, oputw, oputW, oputm, oputM, oputtilde; |
101 |
|
|
102 |
|
static void setoutput(char *vs); |
103 |
|
static void tranotify(OBJECT obj); |
148 |
|
char *fname |
149 |
|
) |
150 |
|
{ |
151 |
< |
long vcount = hresolu>1 ? hresolu*vresolu : vresolu; |
151 |
> |
unsigned long vcount = (hresolu > 1) ? (unsigned long)hresolu*vresolu |
152 |
> |
: vresolu; |
153 |
|
long nextflush = hresolu; |
154 |
|
FILE *fp; |
155 |
|
double d; |
161 |
|
sprintf(errmsg, "cannot open input file \"%s\"", fname); |
162 |
|
error(SYSTEM, errmsg); |
163 |
|
} |
163 |
– |
#ifdef _WIN32 |
164 |
|
if (inform != 'a') |
165 |
|
SET_FILE_BINARY(fp); |
166 |
– |
#endif |
166 |
|
/* set up output */ |
167 |
|
setoutput(outvals); |
168 |
|
switch (outform) { |
188 |
|
d = normalize(direc); |
189 |
|
if (d == 0.0) { /* zero ==> flush */ |
190 |
|
bogusray(); |
191 |
< |
if (--nextflush <= 0 || vcount <= 0) { |
191 |
> |
if (--nextflush <= 0 || !vcount) { |
192 |
|
fflush(stdout); |
193 |
|
nextflush = hresolu; |
194 |
|
} |
200 |
|
else |
201 |
|
rad(orig, direc, lim_dist ? d : 0.0); |
202 |
|
/* flush if time */ |
203 |
< |
if (--nextflush == 0) { |
203 |
> |
if (!--nextflush) { |
204 |
|
fflush(stdout); |
205 |
|
nextflush = hresolu; |
206 |
|
} |
207 |
|
} |
208 |
|
if (ferror(stdout)) |
209 |
|
error(SYSTEM, "write error"); |
210 |
< |
if (--vcount == 0) /* check for end */ |
210 |
> |
if (vcount && !--vcount) /* check for end */ |
211 |
|
break; |
212 |
|
} |
213 |
|
fflush(stdout); |
214 |
< |
if (vcount > 0) |
215 |
< |
error(USER, "read error"); |
214 |
> |
if (vcount) |
215 |
> |
error(USER, "unexpected EOF on input"); |
216 |
|
if (fname != NULL) |
217 |
|
fclose(fp); |
218 |
|
} |
239 |
|
while (*vs) |
240 |
|
switch (*vs++) { |
241 |
|
case 'T': /* trace sources */ |
242 |
+ |
if (!*vs) break; |
243 |
|
trace_sources(); |
244 |
|
/* fall through */ |
245 |
|
case 't': /* trace */ |
246 |
+ |
if (!*vs) break; |
247 |
|
*table = NULL; |
248 |
|
table = every_out; |
249 |
|
trace = ourtrace; |
289 |
|
*table++ = oputW; |
290 |
|
if (ambounce > 0 && (ambacc > FTINY || ambssamp > 0)) |
291 |
|
error(WARNING, |
292 |
< |
"-otW accuracy requires -aa 0 -as 0"); |
292 |
> |
"-otW accuracy depends on -aa 0 -as 0"); |
293 |
|
break; |
294 |
|
case 'm': /* modifier */ |
295 |
|
*table++ = oputm; |
297 |
|
case 'M': /* material */ |
298 |
|
*table++ = oputM; |
299 |
|
break; |
300 |
+ |
case '~': /* tilde */ |
301 |
+ |
*table++ = oputtilde; |
302 |
+ |
break; |
303 |
|
} |
304 |
|
*table = NULL; |
305 |
|
} |
467 |
|
tabin(r); |
468 |
|
for (tp = every_out; *tp != NULL; tp++) |
469 |
|
(**tp)(r); |
470 |
< |
putchar('\n'); |
470 |
> |
if (outform == 'a') |
471 |
> |
putchar('\n'); |
472 |
|
} |
473 |
|
|
474 |
|
|
511 |
|
RAY *r |
512 |
|
) |
513 |
|
{ |
509 |
– |
COLR cout; |
510 |
– |
|
514 |
|
if (outform == 'c') { |
515 |
+ |
COLR cout; |
516 |
|
setcolr(cout, colval(r->rcol,RED), |
517 |
|
colval(r->rcol,GRN), |
518 |
|
colval(r->rcol,BLU)); |
635 |
|
) |
636 |
|
{ |
637 |
|
COLOR contr; |
634 |
– |
COLR cout; |
638 |
|
|
639 |
|
raycontrib(contr, r, PRIMARY); |
637 |
– |
if (outform == 'c') { |
638 |
– |
setcolr(cout, colval(contr,RED), |
639 |
– |
colval(contr,GRN), |
640 |
– |
colval(contr,BLU)); |
641 |
– |
fwrite((char *)cout, sizeof(cout), 1, stdout); |
642 |
– |
return; |
643 |
– |
} |
640 |
|
(*putreal)(colval(contr,RED)); |
641 |
|
(*putreal)(colval(contr,GRN)); |
642 |
|
(*putreal)(colval(contr,BLU)); |
674 |
|
} else |
675 |
|
putchar('*'); |
676 |
|
putchar('\t'); |
677 |
+ |
} |
678 |
+ |
|
679 |
+ |
|
680 |
+ |
static void |
681 |
+ |
oputtilde( /* output tilde (spacer) */ |
682 |
+ |
RAY *r |
683 |
+ |
) |
684 |
+ |
{ |
685 |
+ |
fputs("~\t", stdout); |
686 |
|
} |
687 |
|
|
688 |
|
|