45 |
|
extern int hresolu; /* horizontal resolution */ |
46 |
|
extern int vresolu; /* vertical resolution */ |
47 |
|
|
48 |
< |
static int castonly = 0; |
48 |
> |
extern int castonly; /* only doing ray-casting? */ |
49 |
|
|
50 |
|
#ifndef MAXTSET |
51 |
|
#define MAXTSET 8191 /* maximum number in trace set */ |
52 |
|
#endif |
53 |
|
OBJECT traset[MAXTSET+1]={0}; /* trace include/exclude set */ |
54 |
|
|
55 |
+ |
static int Tflag = 0; /* source tracing enabled? */ |
56 |
+ |
|
57 |
|
static RAY thisray; /* for our convenience */ |
58 |
|
|
59 |
+ |
static FILE *inpfp = NULL; /* input stream pointer */ |
60 |
+ |
|
61 |
+ |
static FVECT *inp_queue = NULL; /* ray input queue if flushing */ |
62 |
+ |
static int inp_qpos = 0; /* next ray to return */ |
63 |
+ |
static int inp_qend = 0; /* number of rays in this work group */ |
64 |
+ |
|
65 |
|
typedef void putf_t(RREAL *v, int n); |
66 |
< |
static putf_t puta, putd, putf; |
66 |
> |
static putf_t puta, putd, putf, putrgbe; |
67 |
|
|
68 |
|
typedef void oputf_t(RAY *r); |
69 |
|
static oputf_t oputo, oputd, oputv, oputV, oputl, oputL, oputc, oputp, |
70 |
|
oputr, oputR, oputx, oputX, oputn, oputN, oputs, |
71 |
|
oputw, oputW, oputm, oputM, oputtilde; |
72 |
|
|
65 |
– |
static void setoutput(char *vs); |
73 |
|
extern void tranotify(OBJECT obj); |
74 |
+ |
static int is_fifo(FILE *fp); |
75 |
|
static void bogusray(void); |
76 |
|
static void raycast(RAY *r); |
77 |
|
static void rayirrad(RAY *r); |
78 |
|
static void rtcompute(FVECT org, FVECT dir, double dmax); |
79 |
|
static int printvals(RAY *r); |
80 |
|
static int getvec(FVECT vec, int fmt, FILE *fp); |
81 |
+ |
static int iszerovec(const FVECT vec); |
82 |
+ |
static double nextray(FVECT org, FVECT dir); |
83 |
|
static void tabin(RAY *r); |
84 |
|
static void ourtrace(RAY *r); |
85 |
|
|
94 |
|
{ |
95 |
|
if (ray_pnprocs > 0) /* close children if any */ |
96 |
|
ray_pclose(0); |
97 |
+ |
else if (ray_pnprocs < 0) |
98 |
+ |
_exit(code); /* avoid flush() in child */ |
99 |
|
#ifndef NON_POSIX |
100 |
< |
else if (!ray_pnprocs) { |
100 |
> |
else { |
101 |
|
headclean(); /* delete header file */ |
102 |
|
pfclean(); /* clean up persist files */ |
103 |
|
} |
106 |
|
} |
107 |
|
|
108 |
|
|
109 |
< |
char * |
109 |
> |
const char * |
110 |
|
formstr( /* return format identifier */ |
111 |
|
int f |
112 |
|
) |
121 |
|
} |
122 |
|
|
123 |
|
|
124 |
< |
extern void |
124 |
> |
static void |
125 |
> |
trace_sources(void) /* trace rays to light sources, also */ |
126 |
> |
{ |
127 |
> |
int sn; |
128 |
> |
|
129 |
> |
for (sn = 0; sn < nsources; sn++) |
130 |
> |
source[sn].sflags |= SFOLLOW; |
131 |
> |
} |
132 |
> |
|
133 |
> |
|
134 |
> |
void |
135 |
|
rtrace( /* trace rays from file */ |
136 |
|
char *fname, |
137 |
|
int nproc |
139 |
|
{ |
140 |
|
unsigned long vcount = (hresolu > 1) ? (unsigned long)hresolu*vresolu |
141 |
|
: (unsigned long)vresolu; |
142 |
< |
long nextflush = (vresolu > 0) & (hresolu > 1) ? 0 : hresolu; |
142 |
> |
long nextflush = (!vresolu | (hresolu <= 1)) * hresolu; |
143 |
> |
int something2flush = 0; |
144 |
|
FILE *fp; |
145 |
|
double d; |
146 |
|
FVECT orig, direc; |
147 |
|
/* set up input */ |
148 |
|
if (fname == NULL) |
149 |
< |
fp = stdin; |
150 |
< |
else if ((fp = fopen(fname, "r")) == NULL) { |
149 |
> |
inpfp = stdin; |
150 |
> |
else if ((inpfp = fopen(fname, "r")) == NULL) { |
151 |
|
sprintf(errmsg, "cannot open input file \"%s\"", fname); |
152 |
|
error(SYSTEM, errmsg); |
153 |
|
} |
154 |
+ |
#ifdef getc_unlocked |
155 |
+ |
flockfile(inpfp); /* avoid lock/unlock overhead */ |
156 |
+ |
flockfile(stdout); |
157 |
+ |
#endif |
158 |
|
if (inform != 'a') |
159 |
< |
SET_FILE_BINARY(fp); |
159 |
> |
SET_FILE_BINARY(inpfp); |
160 |
|
/* set up output */ |
161 |
< |
setoutput(outvals); |
135 |
< |
if (imm_irrad) |
136 |
< |
castonly = 0; |
137 |
< |
else if (castonly) |
161 |
> |
if (castonly || every_out[0] != NULL) |
162 |
|
nproc = 1; /* don't bother multiprocessing */ |
163 |
< |
switch (outform) { |
164 |
< |
case 'a': putreal = puta; break; |
165 |
< |
case 'f': putreal = putf; break; |
166 |
< |
case 'd': putreal = putd; break; |
143 |
< |
case 'c': |
144 |
< |
if (strcmp(outvals, "v")) |
145 |
< |
error(USER, "color format with value output only"); |
146 |
< |
break; |
147 |
< |
default: |
148 |
< |
error(CONSISTENCY, "botched output format"); |
163 |
> |
if (every_out[0] != NULL) { |
164 |
> |
trace = ourtrace; /* enable full tree tracing */ |
165 |
> |
if (Tflag) /* light sources, too? */ |
166 |
> |
trace_sources(); |
167 |
|
} |
168 |
+ |
if ((nextflush > 0) & (nproc > nextflush)) { |
169 |
+ |
error(WARNING, "reducing number of processes to match flush interval"); |
170 |
+ |
nproc = nextflush; |
171 |
+ |
} |
172 |
|
if (nproc > 1) { /* start multiprocessing */ |
173 |
|
ray_popen(nproc); |
174 |
|
ray_fifo_out = printvals; |
176 |
|
if (hresolu > 0) { |
177 |
|
if (vresolu > 0) |
178 |
|
fprtresolu(hresolu, vresolu, stdout); |
179 |
< |
fflush(stdout); |
179 |
> |
else |
180 |
> |
fflush(stdout); |
181 |
|
} |
182 |
< |
/* process file */ |
183 |
< |
while (getvec(orig, inform, fp) == 0 && |
184 |
< |
getvec(direc, inform, fp) == 0) { |
185 |
< |
|
163 |
< |
d = normalize(direc); |
164 |
< |
if (d == 0.0) { /* zero ==> flush */ |
165 |
< |
if (--nextflush <= 0 || !vcount) { |
182 |
> |
/* process input rays */ |
183 |
> |
while ((d = nextray(orig, direc)) >= 0.0) { |
184 |
> |
if (d == 0.0) { /* flush request? */ |
185 |
> |
if (something2flush) { |
186 |
|
if (ray_pnprocs > 1 && ray_fifo_flush() < 0) |
187 |
|
error(USER, "child(ren) died"); |
188 |
|
bogusray(); |
189 |
|
fflush(stdout); |
190 |
< |
nextflush = (vresolu > 0) & (hresolu > 1) ? 0 : |
191 |
< |
hresolu; |
190 |
> |
nextflush = (!vresolu | (hresolu <= 1)) * hresolu; |
191 |
> |
something2flush = 0; |
192 |
|
} else |
193 |
|
bogusray(); |
194 |
|
} else { /* compute and print */ |
195 |
|
rtcompute(orig, direc, lim_dist ? d : 0.0); |
196 |
< |
/* flush if time */ |
177 |
< |
if (!--nextflush) { |
196 |
> |
if (!--nextflush) { /* flush if time */ |
197 |
|
if (ray_pnprocs > 1 && ray_fifo_flush() < 0) |
198 |
|
error(USER, "child(ren) died"); |
199 |
|
fflush(stdout); |
200 |
|
nextflush = hresolu; |
201 |
< |
} |
201 |
> |
} else |
202 |
> |
something2flush = 1; |
203 |
|
} |
204 |
|
if (ferror(stdout)) |
205 |
|
error(SYSTEM, "write error"); |
211 |
|
error(USER, "unable to complete processing"); |
212 |
|
ray_pclose(0); |
213 |
|
} |
214 |
+ |
if (vcount) |
215 |
+ |
error(WARNING, "unexpected EOF on input"); |
216 |
|
if (fflush(stdout) < 0) |
217 |
|
error(SYSTEM, "write error"); |
218 |
< |
if (vcount) |
219 |
< |
error(USER, "unexpected EOF on input"); |
220 |
< |
if (fname != NULL) |
221 |
< |
fclose(fp); |
218 |
> |
if (fname != NULL) { |
219 |
> |
fclose(inpfp); |
220 |
> |
inpfp = NULL; |
221 |
> |
} |
222 |
> |
nextray(NULL, NULL); |
223 |
|
} |
224 |
|
|
225 |
|
|
226 |
< |
static void |
227 |
< |
trace_sources(void) /* trace rays to light sources, also */ |
226 |
> |
int |
227 |
> |
setrtoutput(void) /* set up output tables, return #comp */ |
228 |
|
{ |
229 |
< |
int sn; |
207 |
< |
|
208 |
< |
for (sn = 0; sn < nsources; sn++) |
209 |
< |
source[sn].sflags |= SFOLLOW; |
210 |
< |
} |
211 |
< |
|
212 |
< |
|
213 |
< |
static void |
214 |
< |
setoutput( /* set up output tables */ |
215 |
< |
char *vs |
216 |
< |
) |
217 |
< |
{ |
229 |
> |
char *vs = outvals; |
230 |
|
oputf_t **table = ray_out; |
231 |
+ |
int ncomp = 0; |
232 |
|
|
233 |
< |
castonly = 1; |
234 |
< |
while (*vs) |
235 |
< |
switch (*vs++) { |
233 |
> |
if (!*vs) |
234 |
> |
error(USER, "empty output specification"); |
235 |
> |
|
236 |
> |
switch (outform) { /* make sure (*putreal)() calls someone! */ |
237 |
> |
case 'a': putreal = puta; break; |
238 |
> |
case 'f': putreal = putf; break; |
239 |
> |
case 'd': putreal = putd; break; |
240 |
> |
case 'c': |
241 |
> |
if (outvals[1] || !strchr("vrx", outvals[0])) |
242 |
> |
error(USER, "color format only with -ov, -or, -ox"); |
243 |
> |
putreal = putrgbe; break; |
244 |
> |
default: |
245 |
> |
error(CONSISTENCY, "botched output format"); |
246 |
> |
} |
247 |
> |
castonly = 1; /* sets castonly as side-effect */ |
248 |
> |
do |
249 |
> |
switch (*vs) { |
250 |
|
case 'T': /* trace sources */ |
251 |
< |
if (!*vs) break; |
225 |
< |
trace_sources(); |
251 |
> |
Tflag++; |
252 |
|
/* fall through */ |
253 |
|
case 't': /* trace */ |
254 |
< |
if (!*vs) break; |
254 |
> |
if (!vs[1]) break; |
255 |
|
*table = NULL; |
256 |
|
table = every_out; |
231 |
– |
trace = ourtrace; |
257 |
|
castonly = 0; |
258 |
|
break; |
259 |
|
case 'o': /* origin */ |
260 |
|
*table++ = oputo; |
261 |
+ |
ncomp += 3; |
262 |
|
break; |
263 |
|
case 'd': /* direction */ |
264 |
|
*table++ = oputd; |
265 |
+ |
ncomp += 3; |
266 |
|
break; |
267 |
|
case 'r': /* reflected contrib. */ |
268 |
|
*table++ = oputr; |
269 |
+ |
ncomp += 3; |
270 |
|
castonly = 0; |
271 |
|
break; |
272 |
|
case 'R': /* reflected distance */ |
273 |
|
*table++ = oputR; |
274 |
+ |
ncomp++; |
275 |
|
castonly = 0; |
276 |
|
break; |
277 |
|
case 'x': /* xmit contrib. */ |
278 |
|
*table++ = oputx; |
279 |
+ |
ncomp += 3; |
280 |
|
castonly = 0; |
281 |
|
break; |
282 |
|
case 'X': /* xmit distance */ |
283 |
|
*table++ = oputX; |
284 |
+ |
ncomp++; |
285 |
|
castonly = 0; |
286 |
|
break; |
287 |
|
case 'v': /* value */ |
288 |
|
*table++ = oputv; |
289 |
+ |
ncomp += 3; |
290 |
|
castonly = 0; |
291 |
|
break; |
292 |
|
case 'V': /* contribution */ |
293 |
|
*table++ = oputV; |
294 |
+ |
ncomp += 3; |
295 |
|
castonly = 0; |
296 |
|
if (ambounce > 0 && (ambacc > FTINY || ambssamp > 0)) |
297 |
|
error(WARNING, |
299 |
|
break; |
300 |
|
case 'l': /* effective distance */ |
301 |
|
*table++ = oputl; |
302 |
+ |
ncomp++; |
303 |
|
castonly = 0; |
304 |
|
break; |
305 |
|
case 'c': /* local coordinates */ |
306 |
|
*table++ = oputc; |
307 |
+ |
ncomp += 2; |
308 |
|
break; |
309 |
|
case 'L': /* single ray length */ |
310 |
|
*table++ = oputL; |
311 |
+ |
ncomp++; |
312 |
|
break; |
313 |
|
case 'p': /* point */ |
314 |
|
*table++ = oputp; |
315 |
+ |
ncomp += 3; |
316 |
|
break; |
317 |
|
case 'n': /* perturbed normal */ |
318 |
|
*table++ = oputn; |
319 |
+ |
ncomp += 3; |
320 |
|
castonly = 0; |
321 |
|
break; |
322 |
|
case 'N': /* unperturbed normal */ |
323 |
|
*table++ = oputN; |
324 |
+ |
ncomp += 3; |
325 |
|
break; |
326 |
|
case 's': /* surface */ |
327 |
|
*table++ = oputs; |
328 |
+ |
ncomp++; |
329 |
|
break; |
330 |
|
case 'w': /* weight */ |
331 |
|
*table++ = oputw; |
332 |
+ |
ncomp++; |
333 |
|
break; |
334 |
|
case 'W': /* coefficient */ |
335 |
|
*table++ = oputW; |
336 |
+ |
ncomp += 3; |
337 |
|
castonly = 0; |
338 |
< |
if (ambounce > 0 && (ambacc > FTINY || ambssamp > 0)) |
338 |
> |
if (ambounce > 0 && (ambacc > FTINY) | (ambssamp > 0)) |
339 |
|
error(WARNING, |
340 |
|
"-otW accuracy depends on -aa 0 -as 0"); |
341 |
|
break; |
342 |
|
case 'm': /* modifier */ |
343 |
|
*table++ = oputm; |
344 |
+ |
ncomp++; |
345 |
|
break; |
346 |
|
case 'M': /* material */ |
347 |
|
*table++ = oputM; |
348 |
+ |
ncomp++; |
349 |
|
break; |
350 |
|
case '~': /* tilde */ |
351 |
|
*table++ = oputtilde; |
352 |
|
break; |
353 |
+ |
default: |
354 |
+ |
sprintf(errmsg, "unrecognized output option '%c'", *vs); |
355 |
+ |
error(USER, errmsg); |
356 |
|
} |
357 |
+ |
while (*++vs); |
358 |
+ |
|
359 |
|
*table = NULL; |
360 |
+ |
if (*every_out != NULL) |
361 |
+ |
ncomp = 0; |
362 |
+ |
/* compatibility */ |
363 |
+ |
if ((do_irrad | imm_irrad) && castonly) |
364 |
+ |
error(USER, "-I+ and -i+ options require some value output"); |
365 |
+ |
for (table = ray_out; *table != NULL; table++) { |
366 |
+ |
if ((*table == oputV) | (*table == oputW)) |
367 |
+ |
error(WARNING, "-oVW options require trace mode"); |
368 |
+ |
if ((do_irrad | imm_irrad) && |
369 |
+ |
(*table == oputr) | (*table == oputR) | |
370 |
+ |
(*table == oputx) | (*table == oputX)) |
371 |
+ |
error(WARNING, "-orRxX options incompatible with -I+ and -i+"); |
372 |
+ |
} |
373 |
+ |
return(ncomp); |
374 |
|
} |
375 |
|
|
376 |
|
|
377 |
|
static void |
378 |
|
bogusray(void) /* print out empty record */ |
379 |
|
{ |
317 |
– |
thisray.rorg[0] = thisray.rorg[1] = thisray.rorg[2] = |
318 |
– |
thisray.rdir[0] = thisray.rdir[1] = thisray.rdir[2] = 0.0; |
319 |
– |
thisray.rmax = 0.0; |
380 |
|
rayorigin(&thisray, PRIMARY, NULL, NULL); |
381 |
|
printvals(&thisray); |
382 |
|
} |
404 |
|
{ |
405 |
|
void (*old_revf)(RAY *) = r->revf; |
406 |
|
/* pretend we hit surface */ |
407 |
< |
r->rxt = r->rmt = r->rot = 1e-5; |
407 |
> |
r->rxt = r->rot = 1e-5; |
408 |
|
VSUM(r->rop, r->rorg, r->rdir, r->rot); |
409 |
|
r->ron[0] = -r->rdir[0]; |
410 |
|
r->ron[1] = -r->rdir[1]; |
425 |
|
) |
426 |
|
{ |
427 |
|
/* set up ray */ |
368 |
– |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
428 |
|
if (imm_irrad) { |
429 |
|
VSUM(thisray.rorg, org, dir, 1.1e-4); |
430 |
|
thisray.rdir[0] = -dir[0]; |
431 |
|
thisray.rdir[1] = -dir[1]; |
432 |
|
thisray.rdir[2] = -dir[2]; |
433 |
|
thisray.rmax = 0.0; |
375 |
– |
thisray.revf = rayirrad; |
434 |
|
} else { |
435 |
|
VCOPY(thisray.rorg, org); |
436 |
|
VCOPY(thisray.rdir, dir); |
437 |
|
thisray.rmax = dmax; |
380 |
– |
if (castonly) |
381 |
– |
thisray.revf = raycast; |
438 |
|
} |
439 |
+ |
rayorigin(&thisray, PRIMARY, NULL, NULL); |
440 |
+ |
if (imm_irrad) |
441 |
+ |
thisray.revf = rayirrad; |
442 |
+ |
else if (castonly) |
443 |
+ |
thisray.revf = raycast; |
444 |
|
if (ray_pnprocs > 1) { /* multiprocessing FIFO? */ |
445 |
|
if (ray_fifo_in(&thisray) < 0) |
446 |
|
error(USER, "lost children"); |
470 |
|
|
471 |
|
|
472 |
|
static int |
473 |
< |
getvec( /* get a vector from fp */ |
473 |
> |
is_fifo( /* check if file pointer connected to pipe */ |
474 |
> |
FILE *fp |
475 |
> |
) |
476 |
> |
{ |
477 |
> |
#ifdef S_ISFIFO |
478 |
> |
struct stat sbuf; |
479 |
> |
|
480 |
> |
if (fstat(fileno(fp), &sbuf) < 0) |
481 |
> |
error(SYSTEM, "fstat() failed on input stream"); |
482 |
> |
return(S_ISFIFO(sbuf.st_mode)); |
483 |
> |
#else |
484 |
> |
return (fp == stdin); /* just a guess, really */ |
485 |
> |
#endif |
486 |
> |
} |
487 |
> |
|
488 |
> |
|
489 |
> |
static int |
490 |
> |
getvec( /* get a vector from fp */ |
491 |
|
FVECT vec, |
492 |
|
int fmt, |
493 |
|
FILE *fp |
524 |
|
} |
525 |
|
|
526 |
|
|
527 |
+ |
static int |
528 |
+ |
iszerovec(const FVECT vec) |
529 |
+ |
{ |
530 |
+ |
return (vec[0] == 0.0) & (vec[1] == 0.0) & (vec[2] == 0.0); |
531 |
+ |
} |
532 |
+ |
|
533 |
+ |
|
534 |
+ |
static double |
535 |
+ |
nextray( /* return next ray in work group (-1.0 if EOF) */ |
536 |
+ |
FVECT org, |
537 |
+ |
FVECT dir |
538 |
+ |
) |
539 |
+ |
{ |
540 |
+ |
const size_t qlength = !vresolu * hresolu; |
541 |
+ |
|
542 |
+ |
if ((org == NULL) | (dir == NULL)) { |
543 |
+ |
if (inp_queue != NULL) /* asking to free queue */ |
544 |
+ |
free(inp_queue); |
545 |
+ |
inp_queue = NULL; |
546 |
+ |
inp_qpos = inp_qend = 0; |
547 |
+ |
return(-1.); |
548 |
+ |
} |
549 |
+ |
if (!inp_qend) { /* initialize FIFO queue */ |
550 |
+ |
int rsiz = 6*20; /* conservative ascii ray size */ |
551 |
+ |
if (inform == 'f') rsiz = 6*sizeof(float); |
552 |
+ |
else if (inform == 'd') rsiz = 6*sizeof(double); |
553 |
+ |
/* check against pipe limit */ |
554 |
+ |
if (qlength*rsiz > 512 && is_fifo(inpfp)) |
555 |
+ |
inp_queue = (FVECT *)malloc(sizeof(FVECT)*2*qlength); |
556 |
+ |
inp_qend = -(inp_queue == NULL); /* flag for no queue */ |
557 |
+ |
} |
558 |
+ |
if (inp_qend < 0) { /* not queuing? */ |
559 |
+ |
if (getvec(org, inform, inpfp) < 0 || |
560 |
+ |
getvec(dir, inform, inpfp) < 0) |
561 |
+ |
return(-1.); |
562 |
+ |
return normalize(dir); |
563 |
+ |
} |
564 |
+ |
if (inp_qpos >= inp_qend) { /* need to refill input queue? */ |
565 |
+ |
for (inp_qend = 0; inp_qend < qlength; inp_qend++) { |
566 |
+ |
if (getvec(inp_queue[2*inp_qend], inform, inpfp) < 0 |
567 |
+ |
|| getvec(inp_queue[2*inp_qend+1], |
568 |
+ |
inform, inpfp) < 0) |
569 |
+ |
break; /* hit EOF */ |
570 |
+ |
if (iszerovec(inp_queue[2*inp_qend+1])) { |
571 |
+ |
++inp_qend; /* flush request */ |
572 |
+ |
break; |
573 |
+ |
} |
574 |
+ |
} |
575 |
+ |
inp_qpos = 0; |
576 |
+ |
} |
577 |
+ |
if (inp_qpos >= inp_qend) /* unexpected EOF? */ |
578 |
+ |
return(-1.); |
579 |
+ |
VCOPY(org, inp_queue[2*inp_qpos]); |
580 |
+ |
VCOPY(dir, inp_queue[2*inp_qpos+1]); |
581 |
+ |
++inp_qpos; |
582 |
+ |
return normalize(dir); |
583 |
+ |
} |
584 |
+ |
|
585 |
+ |
|
586 |
|
void |
587 |
|
tranotify( /* record new modifier */ |
588 |
|
OBJECT obj |
718 |
|
{ |
719 |
|
RREAL cval[3]; |
720 |
|
|
584 |
– |
if (outform == 'c') { |
585 |
– |
COLR cout; |
586 |
– |
setcolr(cout, colval(r->rcol,RED), |
587 |
– |
colval(r->rcol,GRN), |
588 |
– |
colval(r->rcol,BLU)); |
589 |
– |
putbinary(cout, sizeof(cout), 1, stdout); |
590 |
– |
return; |
591 |
– |
} |
721 |
|
cval[0] = colval(r->rcol,RED); |
722 |
|
cval[1] = colval(r->rcol,GRN); |
723 |
|
cval[2] = colval(r->rcol,BLU); |
771 |
|
|
772 |
|
|
773 |
|
static void |
774 |
< |
oputp( /* print point */ |
774 |
> |
oputp( /* print intersection point */ |
775 |
|
RAY *r |
776 |
|
) |
777 |
|
{ |
778 |
< |
if (r->rot < FHUGE) |
650 |
< |
(*putreal)(r->rop, 3); |
651 |
< |
else |
652 |
< |
(*putreal)(vdummy, 3); |
778 |
> |
(*putreal)(r->rop, 3); /* set to ray origin if distant or no hit */ |
779 |
|
} |
780 |
|
|
781 |
|
|
784 |
|
RAY *r |
785 |
|
) |
786 |
|
{ |
787 |
< |
if (r->rot < FHUGE) |
662 |
< |
(*putreal)(r->ron, 3); |
663 |
< |
else |
787 |
> |
if (r->ro == NULL) { /* zero vector if clipped or no hit */ |
788 |
|
(*putreal)(vdummy, 3); |
789 |
+ |
return; |
790 |
+ |
} |
791 |
+ |
if (r->rflips & 1) { /* undo any flippin' flips */ |
792 |
+ |
FVECT unrm; |
793 |
+ |
unrm[0] = -r->ron[0]; |
794 |
+ |
unrm[1] = -r->ron[1]; |
795 |
+ |
unrm[2] = -r->ron[2]; |
796 |
+ |
(*putreal)(unrm, 3); |
797 |
+ |
} else |
798 |
+ |
(*putreal)(r->ron, 3); |
799 |
|
} |
800 |
|
|
801 |
|
|
806 |
|
{ |
807 |
|
FVECT pnorm; |
808 |
|
|
809 |
< |
if (r->rot >= FHUGE) { |
809 |
> |
if (r->ro == NULL) { /* clipped or no hit */ |
810 |
|
(*putreal)(vdummy, 3); |
811 |
|
return; |
812 |
|
} |
913 |
|
|
914 |
|
|
915 |
|
static void |
916 |
< |
putd(RREAL *v, int n) /* print binary double(s) */ |
916 |
> |
putd(RREAL *v, int n) /* output binary double(s) */ |
917 |
|
{ |
918 |
|
#ifdef SMLFLT |
919 |
|
double da[3]; |
931 |
|
|
932 |
|
|
933 |
|
static void |
934 |
< |
putf(RREAL *v, int n) /* print binary float(s) */ |
934 |
> |
putf(RREAL *v, int n) /* output binary float(s) */ |
935 |
|
{ |
936 |
|
#ifndef SMLFLT |
937 |
|
float fa[3]; |
945 |
|
#else |
946 |
|
putbinary(v, sizeof(RREAL), n, stdout); |
947 |
|
#endif |
948 |
+ |
} |
949 |
+ |
|
950 |
+ |
|
951 |
+ |
static void |
952 |
+ |
putrgbe(RREAL *v, int n) /* output RGBE color */ |
953 |
+ |
{ |
954 |
+ |
COLR cout; |
955 |
+ |
|
956 |
+ |
if (n != 3) |
957 |
+ |
error(INTERNAL, "putrgbe() not called with 3 components"); |
958 |
+ |
setcolr(cout, v[0], v[1], v[2]); |
959 |
+ |
putbinary(cout, sizeof(cout), 1, stdout); |
960 |
|
} |