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extern int hresolu; /* horizontal resolution */ |
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extern int vresolu; /* vertical resolution */ |
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|
48 |
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static int castonly = 0; |
48 |
> |
int castonly = 0; /* only doing ray-casting? */ |
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|
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#ifndef MAXTSET |
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#define MAXTSET 8191 /* maximum number in trace set */ |
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oputr, oputR, oputx, oputX, oputn, oputN, oputs, |
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oputw, oputW, oputm, oputM, oputtilde; |
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|
71 |
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static void setoutput(char *vs); |
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extern void tranotify(OBJECT obj); |
72 |
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static int is_fifo(FILE *fp); |
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static void bogusray(void); |
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static void raycast(RAY *r); |
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static void rayirrad(RAY *r); |
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} |
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|
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|
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extern void |
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> |
void |
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rtrace( /* trace rays from file */ |
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char *fname, |
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int nproc |
144 |
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if (inform != 'a') |
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SET_FILE_BINARY(inpfp); |
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/* set up output */ |
147 |
< |
setoutput(outvals); |
148 |
< |
if (imm_irrad) |
149 |
< |
castonly = 0; |
150 |
< |
else if (castonly || every_out[0] != NULL) |
147 |
> |
if (castonly || every_out[0] != NULL) |
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nproc = 1; /* don't bother multiprocessing */ |
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if ((nextflush > 0) & (nproc > nextflush)) { |
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error(WARNING, "reducing number of processes to match flush interval"); |
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case 'f': putreal = putf; break; |
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case 'd': putreal = putd; break; |
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case 'c': |
158 |
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if (outvals[0] && (outvals[1] || !strchr("vrx", outvals[0]))) |
158 |
> |
if (outvals[1] || !strchr("vrx", outvals[0])) |
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error(USER, "color format only with -ov, -or, -ox"); |
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putreal = putrgbe; break; |
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default: |
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if (nproc > 1) { /* start multiprocessing */ |
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ray_popen(nproc); |
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ray_fifo_out = printvals; |
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ray_pnbatch = !nextflush; |
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} |
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if (hresolu > 0) { |
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if (vresolu > 0) |
226 |
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} |
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|
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|
229 |
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static void |
230 |
< |
setoutput( /* set up output tables */ |
233 |
< |
char *vs |
234 |
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) |
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> |
int |
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> |
setrtoutput(void) /* set up output tables, return #comp */ |
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{ |
232 |
+ |
char *vs = outvals; |
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oputf_t **table = ray_out; |
234 |
+ |
int ncomp = 0; |
235 |
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|
236 |
< |
castonly = 1; |
237 |
< |
while (*vs) |
238 |
< |
switch (*vs++) { |
236 |
> |
if (!*vs) |
237 |
> |
error(USER, "empty output specification"); |
238 |
> |
|
239 |
> |
castonly = 1; /* sets castonly as side-effect */ |
240 |
> |
do |
241 |
> |
switch (*vs) { |
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case 'T': /* trace sources */ |
243 |
< |
if (!*vs) break; |
243 |
> |
if (!vs[1]) break; |
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trace_sources(); |
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/* fall through */ |
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case 't': /* trace */ |
247 |
< |
if (!*vs) break; |
247 |
> |
if (!vs[1]) break; |
248 |
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*table = NULL; |
249 |
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table = every_out; |
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trace = ourtrace; |
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break; |
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case 'o': /* origin */ |
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*table++ = oputo; |
255 |
+ |
ncomp += 3; |
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break; |
257 |
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case 'd': /* direction */ |
258 |
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*table++ = oputd; |
259 |
+ |
ncomp += 3; |
260 |
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break; |
261 |
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case 'r': /* reflected contrib. */ |
262 |
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*table++ = oputr; |
263 |
+ |
ncomp += 3; |
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castonly = 0; |
265 |
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break; |
266 |
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case 'R': /* reflected distance */ |
267 |
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*table++ = oputR; |
268 |
+ |
ncomp++; |
269 |
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castonly = 0; |
270 |
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break; |
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case 'x': /* xmit contrib. */ |
272 |
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*table++ = oputx; |
273 |
+ |
ncomp += 3; |
274 |
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castonly = 0; |
275 |
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break; |
276 |
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case 'X': /* xmit distance */ |
277 |
|
*table++ = oputX; |
278 |
+ |
ncomp++; |
279 |
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castonly = 0; |
280 |
|
break; |
281 |
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case 'v': /* value */ |
282 |
|
*table++ = oputv; |
283 |
+ |
ncomp += 3; |
284 |
|
castonly = 0; |
285 |
|
break; |
286 |
|
case 'V': /* contribution */ |
287 |
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*table++ = oputV; |
288 |
+ |
ncomp += 3; |
289 |
+ |
castonly = 0; |
290 |
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if (ambounce > 0 && (ambacc > FTINY || ambssamp > 0)) |
291 |
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error(WARNING, |
292 |
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"-otV accuracy depends on -aa 0 -as 0"); |
293 |
|
break; |
294 |
|
case 'l': /* effective distance */ |
295 |
|
*table++ = oputl; |
296 |
+ |
ncomp++; |
297 |
|
castonly = 0; |
298 |
|
break; |
299 |
|
case 'c': /* local coordinates */ |
300 |
|
*table++ = oputc; |
301 |
+ |
ncomp += 2; |
302 |
|
break; |
303 |
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case 'L': /* single ray length */ |
304 |
|
*table++ = oputL; |
305 |
+ |
ncomp++; |
306 |
|
break; |
307 |
|
case 'p': /* point */ |
308 |
|
*table++ = oputp; |
309 |
+ |
ncomp += 3; |
310 |
|
break; |
311 |
|
case 'n': /* perturbed normal */ |
312 |
|
*table++ = oputn; |
313 |
+ |
ncomp += 3; |
314 |
|
castonly = 0; |
315 |
|
break; |
316 |
|
case 'N': /* unperturbed normal */ |
317 |
|
*table++ = oputN; |
318 |
+ |
ncomp += 3; |
319 |
|
break; |
320 |
|
case 's': /* surface */ |
321 |
|
*table++ = oputs; |
322 |
+ |
ncomp++; |
323 |
|
break; |
324 |
|
case 'w': /* weight */ |
325 |
|
*table++ = oputw; |
326 |
+ |
ncomp++; |
327 |
|
break; |
328 |
|
case 'W': /* coefficient */ |
329 |
|
*table++ = oputW; |
330 |
+ |
ncomp += 3; |
331 |
|
castonly = 0; |
332 |
|
if (ambounce > 0 && (ambacc > FTINY) | (ambssamp > 0)) |
333 |
|
error(WARNING, |
335 |
|
break; |
336 |
|
case 'm': /* modifier */ |
337 |
|
*table++ = oputm; |
338 |
+ |
ncomp++; |
339 |
|
break; |
340 |
|
case 'M': /* material */ |
341 |
|
*table++ = oputM; |
342 |
+ |
ncomp++; |
343 |
|
break; |
344 |
|
case '~': /* tilde */ |
345 |
|
*table++ = oputtilde; |
346 |
|
break; |
347 |
+ |
default: |
348 |
+ |
sprintf(errmsg, "unrecognized output option '%c'", *vs); |
349 |
+ |
error(USER, errmsg); |
350 |
|
} |
351 |
+ |
while (*++vs); |
352 |
+ |
|
353 |
|
*table = NULL; |
354 |
+ |
if (*every_out != NULL) |
355 |
+ |
ncomp = 0; |
356 |
|
/* compatibility */ |
357 |
+ |
if ((do_irrad | imm_irrad) && castonly) |
358 |
+ |
error(USER, "-I+ and -i+ options require some value output"); |
359 |
|
for (table = ray_out; *table != NULL; table++) { |
360 |
|
if ((*table == oputV) | (*table == oputW)) |
361 |
|
error(WARNING, "-oVW options require trace mode"); |
364 |
|
(*table == oputx) | (*table == oputX)) |
365 |
|
error(WARNING, "-orRxX options incompatible with -I+ and -i+"); |
366 |
|
} |
367 |
+ |
return(ncomp); |
368 |
|
} |
369 |
|
|
370 |
|
|
463 |
|
|
464 |
|
|
465 |
|
static int |
466 |
+ |
is_fifo( /* check if file pointer connected to pipe */ |
467 |
+ |
FILE *fp |
468 |
+ |
) |
469 |
+ |
{ |
470 |
+ |
#ifdef S_ISFIFO |
471 |
+ |
struct stat sbuf; |
472 |
+ |
|
473 |
+ |
if (fstat(fileno(fp), &sbuf) < 0) |
474 |
+ |
error(SYSTEM, "fstat() failed on input stream"); |
475 |
+ |
return(S_ISFIFO(sbuf.st_mode)); |
476 |
+ |
#else |
477 |
+ |
return (fp == stdin); /* just a guess, really */ |
478 |
+ |
#endif |
479 |
+ |
} |
480 |
+ |
|
481 |
+ |
|
482 |
+ |
static int |
483 |
|
getvec( /* get a vector from fp */ |
484 |
|
FVECT vec, |
485 |
|
int fmt, |
543 |
|
int rsiz = 6*20; /* conservative ascii ray size */ |
544 |
|
if (inform == 'f') rsiz = 6*sizeof(float); |
545 |
|
else if (inform == 'd') rsiz = 6*sizeof(double); |
546 |
< |
if ((inpfp == stdin) & (qlength*rsiz > 512)) /* pipe limit */ |
546 |
> |
/* check against pipe limit */ |
547 |
> |
if (qlength*rsiz > 512 && is_fifo(inpfp)) |
548 |
|
inp_queue = (FVECT *)malloc(sizeof(FVECT)*2*qlength); |
549 |
|
inp_qend = -(inp_queue == NULL); /* flag for no queue */ |
550 |
|
} |