45 |
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extern int hresolu; /* horizontal resolution */ |
46 |
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extern int vresolu; /* vertical resolution */ |
47 |
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|
48 |
< |
static int castonly = 0; |
48 |
> |
extern int castonly; /* only doing ray-casting? */ |
49 |
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|
50 |
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#ifndef MAXTSET |
51 |
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#define MAXTSET 8191 /* maximum number in trace set */ |
68 |
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oputr, oputR, oputx, oputX, oputn, oputN, oputs, |
69 |
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oputw, oputW, oputm, oputM, oputtilde; |
70 |
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|
71 |
– |
static void setoutput(char *vs); |
71 |
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extern void tranotify(OBJECT obj); |
72 |
+ |
static void setoutput(char *vs); |
73 |
+ |
static int is_fifo(FILE *fp); |
74 |
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static void bogusray(void); |
75 |
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static void raycast(RAY *r); |
76 |
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static void rayirrad(RAY *r); |
118 |
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} |
119 |
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|
120 |
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|
121 |
< |
extern void |
121 |
> |
void |
122 |
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rtrace( /* trace rays from file */ |
123 |
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char *fname, |
124 |
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int nproc |
145 |
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if (inform != 'a') |
146 |
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SET_FILE_BINARY(inpfp); |
147 |
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/* set up output */ |
147 |
– |
setoutput(outvals); |
148 |
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if (imm_irrad) |
149 |
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castonly = 0; |
150 |
< |
else if (castonly) |
150 |
> |
else if (castonly || every_out[0] != NULL) |
151 |
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nproc = 1; /* don't bother multiprocessing */ |
152 |
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if ((nextflush > 0) & (nproc > nextflush)) { |
153 |
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error(WARNING, "reducing number of processes to match flush interval"); |
158 |
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case 'f': putreal = putf; break; |
159 |
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case 'd': putreal = putd; break; |
160 |
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case 'c': |
161 |
< |
if (outvals[0] && (outvals[1] || !strchr("vrx", outvals[0]))) |
161 |
> |
if (outvals[1] || !strchr("vrx", outvals[0])) |
162 |
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error(USER, "color format only with -ov, -or, -ox"); |
163 |
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putreal = putrgbe; break; |
164 |
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default: |
228 |
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} |
229 |
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|
230 |
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|
231 |
< |
static void |
232 |
< |
setoutput( /* set up output tables */ |
233 |
< |
char *vs |
234 |
< |
) |
231 |
> |
int |
232 |
> |
setrtoutput(void) /* set up output tables, return #comp */ |
233 |
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{ |
234 |
+ |
char *vs = outvals; |
235 |
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oputf_t **table = ray_out; |
236 |
+ |
int ncomp = 0; |
237 |
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|
238 |
+ |
if (!*vs) |
239 |
+ |
error(USER, "empty output specification"); |
240 |
+ |
|
241 |
|
castonly = 1; |
242 |
< |
while (*vs) |
243 |
< |
switch (*vs++) { |
242 |
> |
do |
243 |
> |
switch (*vs) { |
244 |
|
case 'T': /* trace sources */ |
245 |
< |
if (!*vs) break; |
245 |
> |
if (!vs[1]) break; |
246 |
|
trace_sources(); |
247 |
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/* fall through */ |
248 |
|
case 't': /* trace */ |
249 |
< |
if (!*vs) break; |
249 |
> |
if (!vs[1]) break; |
250 |
|
*table = NULL; |
251 |
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table = every_out; |
252 |
|
trace = ourtrace; |
254 |
|
break; |
255 |
|
case 'o': /* origin */ |
256 |
|
*table++ = oputo; |
257 |
+ |
ncomp += 3; |
258 |
|
break; |
259 |
|
case 'd': /* direction */ |
260 |
|
*table++ = oputd; |
261 |
+ |
ncomp += 3; |
262 |
|
break; |
263 |
|
case 'r': /* reflected contrib. */ |
264 |
|
*table++ = oputr; |
265 |
+ |
ncomp += 3; |
266 |
|
castonly = 0; |
267 |
|
break; |
268 |
|
case 'R': /* reflected distance */ |
269 |
|
*table++ = oputR; |
270 |
+ |
ncomp++; |
271 |
|
castonly = 0; |
272 |
|
break; |
273 |
|
case 'x': /* xmit contrib. */ |
274 |
|
*table++ = oputx; |
275 |
+ |
ncomp += 3; |
276 |
|
castonly = 0; |
277 |
|
break; |
278 |
|
case 'X': /* xmit distance */ |
279 |
|
*table++ = oputX; |
280 |
+ |
ncomp++; |
281 |
|
castonly = 0; |
282 |
|
break; |
283 |
|
case 'v': /* value */ |
284 |
|
*table++ = oputv; |
285 |
+ |
ncomp += 3; |
286 |
|
castonly = 0; |
287 |
|
break; |
288 |
|
case 'V': /* contribution */ |
289 |
|
*table++ = oputV; |
290 |
+ |
ncomp += 3; |
291 |
|
if (ambounce > 0 && (ambacc > FTINY || ambssamp > 0)) |
292 |
|
error(WARNING, |
293 |
|
"-otV accuracy depends on -aa 0 -as 0"); |
294 |
|
break; |
295 |
|
case 'l': /* effective distance */ |
296 |
|
*table++ = oputl; |
297 |
+ |
ncomp++; |
298 |
|
castonly = 0; |
299 |
|
break; |
300 |
|
case 'c': /* local coordinates */ |
301 |
|
*table++ = oputc; |
302 |
+ |
ncomp += 2; |
303 |
|
break; |
304 |
|
case 'L': /* single ray length */ |
305 |
|
*table++ = oputL; |
306 |
+ |
ncomp++; |
307 |
|
break; |
308 |
|
case 'p': /* point */ |
309 |
|
*table++ = oputp; |
310 |
+ |
ncomp += 3; |
311 |
|
break; |
312 |
|
case 'n': /* perturbed normal */ |
313 |
|
*table++ = oputn; |
314 |
+ |
ncomp += 3; |
315 |
|
castonly = 0; |
316 |
|
break; |
317 |
|
case 'N': /* unperturbed normal */ |
318 |
|
*table++ = oputN; |
319 |
+ |
ncomp += 3; |
320 |
|
break; |
321 |
|
case 's': /* surface */ |
322 |
|
*table++ = oputs; |
323 |
+ |
ncomp++; |
324 |
|
break; |
325 |
|
case 'w': /* weight */ |
326 |
|
*table++ = oputw; |
327 |
+ |
ncomp++; |
328 |
|
break; |
329 |
|
case 'W': /* coefficient */ |
330 |
|
*table++ = oputW; |
331 |
+ |
ncomp += 3; |
332 |
|
castonly = 0; |
333 |
|
if (ambounce > 0 && (ambacc > FTINY) | (ambssamp > 0)) |
334 |
|
error(WARNING, |
336 |
|
break; |
337 |
|
case 'm': /* modifier */ |
338 |
|
*table++ = oputm; |
339 |
+ |
ncomp++; |
340 |
|
break; |
341 |
|
case 'M': /* material */ |
342 |
|
*table++ = oputM; |
343 |
+ |
ncomp++; |
344 |
|
break; |
345 |
|
case '~': /* tilde */ |
346 |
|
*table++ = oputtilde; |
347 |
|
break; |
348 |
+ |
default: |
349 |
+ |
sprintf(errmsg, "unrecognized output option '%c'", *vs); |
350 |
+ |
error(USER, errmsg); |
351 |
|
} |
352 |
+ |
while (*++vs); |
353 |
+ |
|
354 |
|
*table = NULL; |
355 |
+ |
if (*every_out != NULL) |
356 |
+ |
ncomp = 0; |
357 |
|
/* compatibility */ |
358 |
|
for (table = ray_out; *table != NULL; table++) { |
359 |
|
if ((*table == oputV) | (*table == oputW)) |
363 |
|
(*table == oputx) | (*table == oputX)) |
364 |
|
error(WARNING, "-orRxX options incompatible with -I+ and -i+"); |
365 |
|
} |
366 |
+ |
return(ncomp); |
367 |
|
} |
368 |
|
|
369 |
|
|
462 |
|
|
463 |
|
|
464 |
|
static int |
465 |
+ |
is_fifo( /* check if file pointer connected to pipe */ |
466 |
+ |
FILE *fp |
467 |
+ |
) |
468 |
+ |
{ |
469 |
+ |
#ifdef S_ISFIFO |
470 |
+ |
struct stat sbuf; |
471 |
+ |
|
472 |
+ |
if (fstat(fileno(fp), &sbuf) < 0) |
473 |
+ |
error(SYSTEM, "fstat() failed on input stream"); |
474 |
+ |
return(S_ISFIFO(sbuf.st_mode)); |
475 |
+ |
#else |
476 |
+ |
return (fp == stdin); /* just a guess, really */ |
477 |
+ |
#endif |
478 |
+ |
} |
479 |
+ |
|
480 |
+ |
|
481 |
+ |
static int |
482 |
|
getvec( /* get a vector from fp */ |
483 |
|
FVECT vec, |
484 |
|
int fmt, |
542 |
|
int rsiz = 6*20; /* conservative ascii ray size */ |
543 |
|
if (inform == 'f') rsiz = 6*sizeof(float); |
544 |
|
else if (inform == 'd') rsiz = 6*sizeof(double); |
545 |
< |
if ((inpfp == stdin) & (qlength*rsiz > 512)) /* pipe limit */ |
545 |
> |
/* check against pipe limit */ |
546 |
> |
if (qlength*rsiz > 512 && is_fifo(inpfp)) |
547 |
|
inp_queue = (FVECT *)malloc(sizeof(FVECT)*2*qlength); |
548 |
|
inp_qend = -(inp_queue == NULL); /* flag for no queue */ |
549 |
|
} |