13 |
|
#ifndef BKBSIZE |
14 |
|
#define BKBSIZE 256 /* beam clump size (kilobytes) */ |
15 |
|
#endif |
16 |
+ |
/* possible operations */ |
17 |
+ |
#define FROM_HOLO 1 /* copy between holodecks */ |
18 |
+ |
#define FROM_PICZ 2 /* copy from HDR + depth to holodeck */ |
19 |
+ |
#define FROM_STDIN 3 /* copy from stdin to holodeck */ |
20 |
+ |
#define TO_STDOUT 4 /* copy rays from holodeck to stdout */ |
21 |
|
|
22 |
+ |
int operation = 0; /* what we are doing */ |
23 |
+ |
char *rspec = ""; /* ray details for i/o */ |
24 |
|
int checkdepth = 1; /* check depth (!-d option)? */ |
25 |
|
int checkrepeats = 0; /* check for repeats (-u option)? */ |
26 |
< |
int frompicz; /* input from pictures & depth-buffers? */ |
27 |
< |
int noutsects; /* number of output sections */ |
21 |
< |
char obstr, unobstr; /* flag pointer values */ |
26 |
> |
int nholosects; /* number of original holodeck sections */ |
27 |
> |
int iofmt = 'a'; /* input/output format for rays */ |
28 |
|
|
29 |
+ |
/* holodeck flags */ |
30 |
+ |
#define H_BADF 01 /* bad format */ |
31 |
+ |
#define H_OBST 02 /* OBSTRUCTIONS= True */ |
32 |
+ |
#define H_OBSF 04 /* OBSTRUCTIONS= False */ |
33 |
+ |
#define H_VDST 010 /* VDISTANCE= True */ |
34 |
+ |
#define H_SWAP 020 /* byte order is different */ |
35 |
+ |
|
36 |
|
char *progname; /* global argv[0] */ |
37 |
|
|
38 |
|
struct phead { |
42 |
|
short badfmt; |
43 |
|
short altprims; |
44 |
|
}; |
45 |
+ |
|
46 |
+ |
typedef struct { |
47 |
+ |
FVECT ro; |
48 |
+ |
FVECT rd; |
49 |
+ |
RREAL d; |
50 |
+ |
COLR cv; |
51 |
+ |
} RAYPAR; |
52 |
+ |
|
53 |
|
static int openholo(char *fname, int append); |
54 |
< |
static void addray(FVECT ro, FVECT rd, double d, COLR cv); |
54 |
> |
static void addray(RAYPAR *rp); |
55 |
> |
static int readval(RREAL *v, int n, FILE *fp); |
56 |
> |
static void readrays(FILE *fp); |
57 |
> |
static int writeval(RREAL *v, int n, FILE *fp); |
58 |
> |
static int write_ray(RAYPAR *rp, FILE *fp); |
59 |
> |
static void writerays(FILE *fp); |
60 |
|
static gethfunc holheadline; |
61 |
|
static int bpcmp(const void *b1p, const void *b2p); |
62 |
|
static int addclump(HOLO *hp, int *bq, int nb); |
65 |
|
static void addpicz(char *pcf, char *zbf); |
66 |
|
|
67 |
|
|
42 |
– |
|
68 |
|
int |
69 |
|
main( |
70 |
|
int argc, |
74 |
|
int i; |
75 |
|
|
76 |
|
progname = argv[0]; |
52 |
– |
frompicz = -1; |
77 |
|
for (i = 2; i < argc && argv[i][0] == '-'; i++) |
78 |
|
switch (argv[i][1]) { |
79 |
|
case 'u': |
82 |
|
case 'd': |
83 |
|
checkdepth = 0; |
84 |
|
break; |
85 |
+ |
case 'f': |
86 |
+ |
iofmt = argv[i][2]; |
87 |
+ |
if (!strchr("afd", iofmt)) |
88 |
+ |
error(USER, "-f? i/o format must be 'a', 'f', or 'd'"); |
89 |
+ |
break; |
90 |
|
case 'h': |
91 |
< |
frompicz = 0; |
91 |
> |
operation = FROM_HOLO; |
92 |
|
break; |
93 |
|
case 'p': |
94 |
< |
frompicz = 1; |
94 |
> |
operation = FROM_PICZ; |
95 |
|
break; |
96 |
+ |
case 'i': |
97 |
+ |
operation = FROM_STDIN; |
98 |
+ |
rspec = argv[i]+2; |
99 |
+ |
break; |
100 |
+ |
case 'o': |
101 |
+ |
operation = TO_STDOUT; |
102 |
+ |
rspec = argv[i]+2; |
103 |
+ |
break; |
104 |
|
default: |
105 |
|
goto userr; |
106 |
|
} |
107 |
< |
if (i >= argc || frompicz < 0) |
107 |
> |
if (!operation | (i > argc-((operation==FROM_HOLO)|(operation==FROM_PICZ)))) |
108 |
|
goto userr; |
109 |
< |
if (frompicz && (argc-i)%2) |
109 |
> |
if (operation == FROM_PICZ && (argc-i)%2) |
110 |
|
goto userr; |
111 |
< |
noutsects = openholo(argv[1], 1); |
112 |
< |
if (frompicz) { |
111 |
> |
nholosects = openholo(argv[1], (operation != TO_STDOUT)); |
112 |
> |
/* check requested i/o is compatible */ |
113 |
> |
if (strchr(rspec, 'l') && !(*(int *)hdlist[0]->priv & H_VDST)) |
114 |
> |
error(USER, "i/o parameter 'l' incompatible with VDISTANCE=False"); |
115 |
> |
if (strchr(rspec, 'L') && *(int *)hdlist[0]->priv & H_VDST) |
116 |
> |
error(USER, "i/o parameter 'L' incompatible with VDISTANCE=True"); |
117 |
> |
|
118 |
> |
switch (operation) { /* perform requested operation */ |
119 |
> |
case FROM_PICZ: |
120 |
|
for ( ; i < argc; i += 2) |
121 |
|
addpicz(argv[i], argv[i+1]); |
122 |
< |
} else { |
122 |
> |
break; |
123 |
> |
case FROM_HOLO: |
124 |
|
if (BKBSIZE*1024*1.5 > hdcachesize) |
125 |
|
hdcachesize = BKBSIZE*1024*1.5; |
126 |
|
for ( ; i < argc; i++) |
127 |
|
addholo(argv[i]); |
128 |
+ |
break; |
129 |
+ |
case FROM_STDIN: |
130 |
+ |
readrays(stdin); |
131 |
+ |
break; |
132 |
+ |
case TO_STDOUT: |
133 |
+ |
writerays(stdout); |
134 |
+ |
break; |
135 |
|
} |
136 |
|
quit(0); |
137 |
|
userr: |
138 |
< |
fprintf(stderr, "Usage: %s output.hdk [-u][-d] -h inp1.hdk ..\n", |
138 |
> |
fprintf(stderr, "Usage: %s dest.hdk [-u][-d] -h inp1.hdk ..\n", |
139 |
|
progname); |
140 |
< |
fprintf(stderr, " Or: %s output.hdk [-u][-d] -p inp1.hdr inp1.zbf ..\n", |
140 |
> |
fprintf(stderr, " Or: %s dest.hdk [-u][-d] -p inp1.hdr inp1.zbf ..\n", |
141 |
|
progname); |
142 |
+ |
fprintf(stderr, " Or: %s dest.hdk [-f{a|f|d}][-u][-d] -i[odplLv]\n", |
143 |
+ |
progname); |
144 |
+ |
fprintf(stderr, " Or: %s src.hdk [-f{a|f|d}] -o[odplLv] ..\n", |
145 |
+ |
progname); |
146 |
|
exit(1); |
147 |
|
} |
148 |
|
|
93 |
– |
|
94 |
– |
#define H_BADF 01 |
95 |
– |
#define H_OBST 02 |
96 |
– |
#define H_OBSF 04 |
97 |
– |
|
149 |
|
static int |
150 |
|
holheadline( /* check holodeck header line */ |
151 |
< |
register char *s, |
151 |
> |
char *s, |
152 |
|
void *vhf |
153 |
|
) |
154 |
|
{ |
155 |
< |
char fmt[32]; |
156 |
< |
int *hf = vhf; |
155 |
> |
int be; |
156 |
> |
char fmt[MAXFMTLEN]; |
157 |
> |
int *hf = (int *)vhf; |
158 |
|
|
159 |
|
if (formatval(fmt, s)) { |
160 |
|
if (strcmp(fmt, HOLOFMT)) |
174 |
|
error(WARNING, "bad OBSTRUCTIONS value in holodeck"); |
175 |
|
return(0); |
176 |
|
} |
177 |
+ |
if (!strncmp(s, "VDISTANCE=", 10)) { |
178 |
+ |
s += 10; |
179 |
+ |
while (*s == ' ') s++; |
180 |
+ |
if ((*s == 't') | (*s == 'T')) |
181 |
+ |
*hf |= H_VDST; |
182 |
+ |
else if ((*s != 'f') % (*s != 'F')) |
183 |
+ |
error(WARNING, "bad VDISTANCE value in holodeck"); |
184 |
+ |
return(0); |
185 |
+ |
} |
186 |
+ |
if ((be = isbigendian(s)) >= 0) { |
187 |
+ |
if (be != nativebigendian()) |
188 |
+ |
*hf |= H_SWAP; |
189 |
+ |
return(0); |
190 |
+ |
} |
191 |
|
return(0); |
192 |
|
} |
193 |
|
|
200 |
|
FILE *fp; |
201 |
|
int fd; |
202 |
|
int hflags = 0; |
203 |
< |
long nextloc; |
203 |
> |
int *hfstore; |
204 |
> |
off_t nextloc; |
205 |
|
int n; |
206 |
|
/* open holodeck file */ |
207 |
< |
if ((fp = fopen(fname, append ? "r+" : "r")) == NULL) { |
207 |
> |
if ((fp = fopen(fname, append ? "rb+" : "rb")) == NULL) { |
208 |
|
sprintf(errmsg, "cannot open \"%s\" for %s", fname, |
209 |
|
append ? "appending" : "reading"); |
210 |
|
error(SYSTEM, errmsg); |
211 |
|
} |
212 |
|
/* check header and magic number */ |
213 |
|
if (getheader(fp, holheadline, &hflags) < 0 || |
214 |
< |
hflags&H_BADF || getw(fp) != HOLOMAGIC) { |
215 |
< |
sprintf(errmsg, "file \"%s\" not in holodeck format", fname); |
214 |
> |
hflags&(H_BADF|H_SWAP) || getw(fp) != HOLOMAGIC) { |
215 |
> |
sprintf(errmsg, "holodeck \"%s\" not in expected format", fname); |
216 |
|
error(USER, errmsg); |
217 |
|
} |
218 |
|
fd = dup(fileno(fp)); /* dup file handle */ |
219 |
|
nextloc = ftell(fp); /* get stdio position */ |
220 |
|
fclose(fp); /* done with stdio */ |
221 |
+ |
hfstore = (int *)malloc(sizeof(int)); /* tiny memory leak but who cares? */ |
222 |
+ |
*hfstore = hflags; |
223 |
|
for (n = 0; nextloc > 0L; n++) { /* initialize each section */ |
224 |
< |
lseek(fd, (off_t)nextloc, SEEK_SET); |
224 |
> |
lseek(fd, nextloc, SEEK_SET); |
225 |
|
read(fd, (char *)&nextloc, sizeof(nextloc)); |
226 |
< |
hdinit(fd, NULL)->priv = hflags&H_OBST ? &obstr : |
158 |
< |
hflags&H_OBSF ? &unobstr : (char *)NULL; |
226 |
> |
hdinit(fd, NULL)->priv = hfstore; |
227 |
|
} |
228 |
|
return(n); |
229 |
|
} |
230 |
|
|
163 |
– |
#undef H_BADF |
164 |
– |
#undef H_OBST |
165 |
– |
#undef H_OBSF |
166 |
– |
|
167 |
– |
|
231 |
|
void |
232 |
|
addray( /* add a ray to our output holodeck */ |
233 |
< |
FVECT ro, |
171 |
< |
FVECT rd, |
172 |
< |
double d, |
173 |
< |
COLR cv |
233 |
> |
RAYPAR *rp |
234 |
|
) |
235 |
|
{ |
236 |
|
int sn, bi, n; |
237 |
< |
register HOLO *hp; |
237 |
> |
HOLO *hp; |
238 |
|
GCOORD gc[2]; |
239 |
< |
BYTE rr[2][2]; |
239 |
> |
uby8 rr[2][2]; |
240 |
|
BEAM *bp; |
241 |
|
double d0, d1; |
242 |
|
unsigned dc; |
243 |
< |
register RAYVAL *rv; |
243 |
> |
RAYVAL *rv; |
244 |
|
/* check each output section */ |
245 |
< |
for (sn = noutsects; sn--; ) { |
245 |
> |
for (sn = nholosects; sn--; ) { |
246 |
|
hp = hdlist[sn]; |
247 |
< |
d0 = hdinter(gc, rr, &d1, hp, ro, rd); |
248 |
< |
if (d <= d0 || d1 < -0.001) |
247 |
> |
d0 = hdinter(gc, rr, &d1, hp, rp->ro, rp->rd); |
248 |
> |
if (rp->d <= d0 || d1 < -0.001) |
249 |
|
continue; /* missed section */ |
250 |
|
if (checkdepth) { /* check depth */ |
251 |
< |
if (hp->priv == &obstr && d0 < -0.001) |
251 |
> |
if (*(int *)hp->priv & H_OBST && d0 < -0.001) |
252 |
|
continue; /* ray starts too late */ |
253 |
< |
if (hp->priv == &unobstr && d < 0.999*d1) |
253 |
> |
if (*(int *)hp->priv & H_OBSF && rp->d < 0.999*d1) |
254 |
|
continue; /* ray ends too soon */ |
255 |
|
} |
256 |
< |
dc = hdcode(hp, d-d0); |
256 |
> |
dc = hdcode(hp, rp->d-d0); |
257 |
|
bi = hdbindex(hp, gc); /* check for duplicates */ |
258 |
|
if (checkrepeats && (bp = hdgetbeam(hp, bi)) != NULL) { |
259 |
|
for (n = bp->nrm, rv = hdbray(bp); n--; rv++) |
260 |
< |
if ((hp->priv != NULL || rv->d == dc) && |
260 |
> |
if ((rv->d == dc || *(int *)hp->priv & (H_OBST|H_OBSF)) && |
261 |
|
rv->r[0][0] == rr[0][0] && |
262 |
|
rv->r[0][1] == rr[0][1] && |
263 |
|
rv->r[1][0] == rr[1][0] && |
270 |
|
rv->d = dc; |
271 |
|
rv->r[0][0] = rr[0][0]; rv->r[0][1] = rr[0][1]; |
272 |
|
rv->r[1][0] = rr[1][0]; rv->r[1][1] = rr[1][1]; |
273 |
< |
copycolr(rv->v, cv); |
273 |
> |
copycolr(rv->v, rp->cv); |
274 |
|
} |
275 |
|
} |
276 |
|
|
277 |
+ |
/* Read n-vector from file stream */ |
278 |
+ |
static int |
279 |
+ |
readval(RREAL *v, int n, FILE *fp) |
280 |
+ |
{ |
281 |
+ |
int i; |
282 |
+ |
#ifdef SMLFLT |
283 |
+ |
double vd[3]; |
284 |
+ |
switch (iofmt) { |
285 |
+ |
case 'f': |
286 |
+ |
return getbinary(v, sizeof(float), n, fp); |
287 |
+ |
case 'd': |
288 |
+ |
n = getbinary(vd, sizeof(double), n, fp); |
289 |
+ |
for (i = n; i-- > 0; ) v[i] = vd[i]; |
290 |
+ |
return n; |
291 |
+ |
case 'a': |
292 |
+ |
for (i = 0; i < n; i++) |
293 |
+ |
if (fscanf(fp, "%f ", &v[i]) != 1) |
294 |
+ |
break; |
295 |
+ |
return i; |
296 |
+ |
} |
297 |
+ |
#else |
298 |
+ |
float vf[3]; |
299 |
+ |
switch (iofmt) { |
300 |
+ |
case 'd': |
301 |
+ |
return getbinary(v, sizeof(double), n, fp); |
302 |
+ |
case 'f': |
303 |
+ |
n = getbinary(vf, sizeof(float), n, fp); |
304 |
+ |
for (i = n; i-- > 0; ) v[i] = vf[i]; |
305 |
+ |
return n; |
306 |
+ |
case 'a': |
307 |
+ |
for (i = 0; i < n; i++) |
308 |
+ |
if (fscanf(fp, "%lf ", &v[i]) != 1) |
309 |
+ |
break; |
310 |
+ |
return i; |
311 |
+ |
} |
312 |
+ |
#endif |
313 |
+ |
return -1; |
314 |
+ |
} |
315 |
|
|
316 |
+ |
#define GOT_ORG 0x01 |
317 |
+ |
#define GOT_DIR 0x02 |
318 |
+ |
#define GOT_LEN 0x04 |
319 |
+ |
#define GOT_VAL 0x10 |
320 |
+ |
#define ALSO_POS 0x20 |
321 |
+ |
#define BAD_DIR 0x40 |
322 |
+ |
#define BAD_LEN 0x80 |
323 |
+ |
|
324 |
+ |
/* Read rays from stream and add to holodeck */ |
325 |
+ |
static void |
326 |
+ |
readrays(FILE *fp) |
327 |
+ |
{ |
328 |
+ |
if (iofmt != 'a') |
329 |
+ |
SET_FILE_BINARY(fp); |
330 |
+ |
#ifdef getc_unlocked |
331 |
+ |
flockfile(fp); |
332 |
+ |
#endif |
333 |
+ |
while (!feof(fp)) { /* read entirety of input */ |
334 |
+ |
RAYPAR ryp; |
335 |
+ |
FVECT pos; |
336 |
+ |
FVECT col; |
337 |
+ |
int flags = 0; |
338 |
+ |
int i; |
339 |
+ |
for (i = 0; rspec[i]; i++) { |
340 |
+ |
switch (rspec[i]) { |
341 |
+ |
case 'o': /* ray origin */ |
342 |
+ |
if (readval(ryp.ro, 3, fp) < 3) |
343 |
+ |
break; |
344 |
+ |
flags |= GOT_ORG; |
345 |
+ |
continue; |
346 |
+ |
case 'd': /* ray direction */ |
347 |
+ |
if (readval(ryp.rd, 3, fp) < 3) |
348 |
+ |
break; |
349 |
+ |
if (normalize(ryp.rd) == 0) |
350 |
+ |
flags |= BAD_DIR; |
351 |
+ |
else |
352 |
+ |
flags |= GOT_DIR; |
353 |
+ |
continue; |
354 |
+ |
case 'p': /* ray intersection */ |
355 |
+ |
if (readval(pos, 3, fp) < 3) |
356 |
+ |
break; |
357 |
+ |
flags |= ALSO_POS; |
358 |
+ |
continue; |
359 |
+ |
case 'L': /* ray first length */ |
360 |
+ |
case 'l': /* ray virtual length */ |
361 |
+ |
if (readval(&ryp.d, 1, fp) < 1) |
362 |
+ |
break; |
363 |
+ |
if (ryp.d <= FTINY) |
364 |
+ |
flags |= BAD_LEN; |
365 |
+ |
else |
366 |
+ |
flags |= GOT_LEN; |
367 |
+ |
continue; |
368 |
+ |
case 'v': /* ray value */ |
369 |
+ |
if (readval(col, 3, fp) < 3) |
370 |
+ |
break; |
371 |
+ |
setcolr(ryp.cv, col[0], col[1], col[2]); |
372 |
+ |
flags |= GOT_VAL; |
373 |
+ |
continue; |
374 |
+ |
default: |
375 |
+ |
sprintf(errmsg, "unsupported parameter '%c' in -i%s", |
376 |
+ |
rspec[i], rspec); |
377 |
+ |
error(USER, errmsg); |
378 |
+ |
} |
379 |
+ |
if (!flags) /* got nothing, so may be normal EOF */ |
380 |
+ |
return; |
381 |
+ |
} |
382 |
+ |
if (flags & (BAD_DIR|BAD_LEN)) |
383 |
+ |
continue; /* just a bad ray is all -- skip */ |
384 |
+ |
if (!(flags & GOT_VAL)) |
385 |
+ |
goto missingData; |
386 |
+ |
if ((flags & (GOT_ORG|GOT_DIR|GOT_LEN)) != (GOT_ORG|GOT_DIR|GOT_LEN)) { |
387 |
+ |
if (!(flags & ALSO_POS)) |
388 |
+ |
goto missingData; |
389 |
+ |
if (flags & GOT_ORG) { |
390 |
+ |
VSUB(ryp.rd, pos, ryp.ro); |
391 |
+ |
ryp.d = normalize(ryp.rd); |
392 |
+ |
if (ryp.d == 0) |
393 |
+ |
continue; |
394 |
+ |
} else if ((flags & (GOT_DIR|GOT_LEN)) == (GOT_DIR|GOT_LEN)) { |
395 |
+ |
VSUM(ryp.ro, pos, ryp.rd, -ryp.d); |
396 |
+ |
} else |
397 |
+ |
goto missingData; |
398 |
+ |
} |
399 |
+ |
addray(&ryp); /* add our ray to holodeck */ |
400 |
+ |
} |
401 |
+ |
return; |
402 |
+ |
missingData: |
403 |
+ |
sprintf(errmsg, "insufficient data in -i%s", rspec); |
404 |
+ |
error(USER, errmsg); |
405 |
+ |
} |
406 |
+ |
|
407 |
+ |
/* Write vector value to file stream */ |
408 |
+ |
static int |
409 |
+ |
writeval(RREAL *v, int n, FILE *fp) |
410 |
+ |
{ |
411 |
+ |
int i; |
412 |
+ |
|
413 |
+ |
if (iofmt == 'a') { |
414 |
+ |
for (i = 0; i < n; i++) |
415 |
+ |
if (fprintf(fp, "\t%.4e", v[i]) < 0) |
416 |
+ |
break; |
417 |
+ |
return i; |
418 |
+ |
} |
419 |
+ |
#ifdef SMLFLT |
420 |
+ |
if (iofmt == 'd') { |
421 |
+ |
double vd[3]; |
422 |
+ |
for (i = n; i--; ) vd[i] = v[i]; |
423 |
+ |
return putbinary(vd, sizeof(double), n, fp); |
424 |
+ |
} |
425 |
+ |
#else |
426 |
+ |
if (iofmt == 'f') { |
427 |
+ |
float vf[3]; |
428 |
+ |
for (i = n; i--; ) vf[i] = v[i]; |
429 |
+ |
return putbinary(vf, sizeof(float), n, fp); |
430 |
+ |
} |
431 |
+ |
#endif |
432 |
+ |
return putbinary(v, sizeof(*v), n, fp); |
433 |
+ |
} |
434 |
+ |
|
435 |
+ |
/* Write out an individual ray as requested */ |
436 |
+ |
static int |
437 |
+ |
write_ray(RAYPAR *rp, FILE *fp) |
438 |
+ |
{ |
439 |
+ |
COLOR cval; |
440 |
+ |
FVECT v3; |
441 |
+ |
char *typ = rspec; |
442 |
+ |
|
443 |
+ |
for ( ; ; ) { |
444 |
+ |
switch (*typ++) { |
445 |
+ |
case 'o': /* ray origin */ |
446 |
+ |
if (writeval(rp->ro, 3, fp) < 3) |
447 |
+ |
break; |
448 |
+ |
continue; |
449 |
+ |
case 'd': /* ray direction */ |
450 |
+ |
if (writeval(rp->rd, 3, fp) < 3) |
451 |
+ |
break; |
452 |
+ |
continue; |
453 |
+ |
case 'p': /* ray intersection */ |
454 |
+ |
VSUM(v3, rp->ro, rp->rd, rp->d); |
455 |
+ |
if (writeval(v3, 3, fp) < 3) |
456 |
+ |
break; |
457 |
+ |
continue; |
458 |
+ |
case 'L': /* ray first length */ |
459 |
+ |
case 'l': /* ray virtual length */ |
460 |
+ |
if (writeval(&rp->d, 1, fp) < 1) |
461 |
+ |
break; |
462 |
+ |
continue; |
463 |
+ |
case 'v': /* ray value */ |
464 |
+ |
colr_color(cval, rp->cv); |
465 |
+ |
VCOPY(v3, cval); |
466 |
+ |
if (writeval(v3, 3, fp) < 3) |
467 |
+ |
break; |
468 |
+ |
continue; |
469 |
+ |
case '\0': /* end of spec -- success */ |
470 |
+ |
if (iofmt == 'a') |
471 |
+ |
fputc('\n', fp); |
472 |
+ |
return(1); |
473 |
+ |
default: |
474 |
+ |
sprintf(errmsg, "unsupported parameter '%c' in -o%s", typ[-1], rspec); |
475 |
+ |
} |
476 |
+ |
break; /* land here on error */ |
477 |
+ |
} |
478 |
+ |
return 0; /* write error? */ |
479 |
+ |
} |
480 |
+ |
|
481 |
|
static BEAMI *beamdir; |
482 |
|
|
483 |
|
static int |
486 |
|
const void *b2p |
487 |
|
) |
488 |
|
{ |
489 |
< |
register off_t pdif = beamdir[*(int*)b1p].fo - beamdir[*(int*)b2p].fo; |
489 |
> |
off_t pdif = beamdir[*(int *)b1p].fo - beamdir[*(int *)b2p].fo; |
490 |
|
|
491 |
|
if (pdif > 0L) return(1); |
492 |
|
if (pdif < 0L) return(-1); |
493 |
|
return(0); |
494 |
|
} |
495 |
|
|
496 |
+ |
/* Write all rays from holodeck to stream */ |
497 |
+ |
static void |
498 |
+ |
writerays(FILE *fp) |
499 |
+ |
{ |
500 |
+ |
int sn, bi, k; |
501 |
+ |
GCOORD gc[2]; |
502 |
+ |
RAYVAL *rv; |
503 |
+ |
RAYPAR ryp; |
504 |
+ |
|
505 |
+ |
if (!*rspec) { |
506 |
+ |
error(WARNING, "empty -o* output spec, quitting"); |
507 |
+ |
return; |
508 |
+ |
} |
509 |
+ |
if (iofmt != 'a') |
510 |
+ |
SET_FILE_BINARY(fp); |
511 |
+ |
#ifdef getc_unlocked |
512 |
+ |
flockfile(fp); |
513 |
+ |
#endif |
514 |
+ |
for (sn = 0; sn < nholosects; sn++) { /* write each holodeck section */ |
515 |
+ |
HOLO *hp = hdlist[sn]; |
516 |
+ |
int nb = nbeams(hp); /* sort beams by file location */ |
517 |
+ |
int *bq = (int *)malloc(nb*sizeof(int)); |
518 |
+ |
if (!bq) |
519 |
+ |
error(SYSTEM, "out of memory in writerays()"); |
520 |
+ |
for (bi = nb; bi--; ) bq[bi] = bi+1; |
521 |
+ |
beamdir = hp->bi; |
522 |
+ |
qsort(bq, nb, sizeof(*bq), bpcmp); |
523 |
+ |
for (bi = 0; bi < nb; bi++) { |
524 |
+ |
BEAM *bp = hdgetbeam(hp, bq[bi]); |
525 |
+ |
if (!bp) /* empty beam? */ |
526 |
+ |
continue; |
527 |
+ |
hdbcoord(gc, hp, bq[bi]); |
528 |
+ |
rv = hdbray(bp); |
529 |
+ |
for (k = bp->nrm; k--; rv++) { |
530 |
+ |
ryp.d = hdray(ryp.ro, ryp.rd, hp, gc, rv->r); |
531 |
+ |
if (*(int *)hp->priv & H_OBSF) |
532 |
+ |
VSUM(ryp.ro, ryp.ro, ryp.rd, ryp.d); |
533 |
+ |
else |
534 |
+ |
ryp.d = 0.; |
535 |
+ |
ryp.d = hddepth(hp, rv->d) - ryp.d; |
536 |
+ |
copycolr(ryp.cv, rv->v); |
537 |
+ |
if (!write_ray(&ryp, fp)) { |
538 |
+ |
free(bq); |
539 |
+ |
goto writError; |
540 |
+ |
} |
541 |
+ |
} |
542 |
+ |
hdfreebeam(hp, bq[bi]); |
543 |
+ |
} |
544 |
+ |
free(bq); |
545 |
+ |
} |
546 |
+ |
if (fflush(fp) != EOF) |
547 |
+ |
return; |
548 |
+ |
writError: |
549 |
+ |
error(SYSTEM, "error writing holodeck rays"); |
550 |
+ |
} |
551 |
+ |
|
552 |
|
static int |
553 |
|
addclump( /* transfer the given clump and free */ |
554 |
|
HOLO *hp, |
557 |
|
) |
558 |
|
{ |
559 |
|
GCOORD gc[2]; |
560 |
< |
FVECT ro, rd; |
561 |
< |
double d; |
560 |
> |
RAYPAR ryp; |
561 |
> |
RAYVAL *rv; |
562 |
|
int i; |
563 |
< |
register int k; |
564 |
< |
register BEAM *bp; |
563 |
> |
int k; |
564 |
> |
BEAM *bp; |
565 |
|
/* sort based on file position */ |
566 |
|
beamdir = hp->bi; |
567 |
< |
qsort((char *)bq, nb, sizeof(*bq), bpcmp); |
567 |
> |
qsort(bq, nb, sizeof(*bq), bpcmp); |
568 |
|
/* transfer each beam */ |
569 |
|
for (i = 0; i < nb; i++) { |
570 |
|
bp = hdgetbeam(hp, bq[i]); |
571 |
|
hdbcoord(gc, hp, bq[i]); |
572 |
< |
/* add each ray to output */ |
573 |
< |
for (k = bp->nrm; k--; ) { |
574 |
< |
d = hdray(ro, rd, hp, gc, hdbray(bp)[k].r); |
575 |
< |
if (hp->priv == &unobstr) |
576 |
< |
VSUM(ro, ro, rd, d); |
572 |
> |
rv = hdbray(bp); /* add each ray to output */ |
573 |
> |
for (k = bp->nrm; k--; rv++) { |
574 |
> |
ryp.d = hdray(ryp.ro, ryp.rd, hp, gc, rv->r); |
575 |
> |
if (*(int *)hp->priv & H_OBSF) |
576 |
> |
VSUM(ryp.ro, ryp.ro, ryp.rd, ryp.d); |
577 |
|
else |
578 |
< |
d = 0.; |
579 |
< |
d = hddepth(hp, hdbray(bp)[k].d) - d; |
580 |
< |
addray(ro, rd, d, hdbray(bp)[k].v); |
578 |
> |
ryp.d = 0.; |
579 |
> |
ryp.d = hddepth(hp, rv->d) - ryp.d; |
580 |
> |
copycolr(ryp.cv, rv->v); |
581 |
> |
addray(&ryp); |
582 |
|
} |
583 |
|
hdfreebeam(hp, bq[i]); /* free the beam */ |
584 |
|
} |
594 |
|
int fd; |
595 |
|
/* open the holodeck for reading */ |
596 |
|
openholo(hdf, 0); |
597 |
< |
fd = hdlist[noutsects]->fd; /* remember the file handle */ |
598 |
< |
while (hdlist[noutsects] != NULL) { /* load each section */ |
597 |
> |
fd = hdlist[nholosects]->fd; /* remember the file handle */ |
598 |
> |
while (hdlist[nholosects] != NULL) { /* load each section */ |
599 |
|
/* clump the beams */ |
600 |
< |
clumpbeams(hdlist[noutsects], 0, BKBSIZE*1024, addclump); |
601 |
< |
hddone(hdlist[noutsects]); /* free the section */ |
600 |
> |
clumpbeams(hdlist[nholosects], 0, BKBSIZE*1024, addclump); |
601 |
> |
hddone(hdlist[nholosects]); /* free the section */ |
602 |
|
} |
603 |
|
close(fd); /* close input file */ |
604 |
|
hdflush(NULL); /* flush output */ |
613 |
|
) |
614 |
|
{ |
615 |
|
char fmt[32]; |
616 |
< |
struct phead *ph = vph; |
616 |
> |
struct phead *ph = (struct phead *)vph; |
617 |
|
|
618 |
|
if (formatval(fmt, s)) { |
619 |
|
ph->badfmt = strcmp(fmt, COLRFMT); |
650 |
|
double emult; |
651 |
|
RESOLU prs; |
652 |
|
RREAL vl[2]; |
653 |
< |
FVECT ro, rd; |
653 |
> |
RAYPAR ryp; |
654 |
|
double aftd; |
655 |
< |
COLOR ctmp; |
656 |
< |
int j; |
657 |
< |
register int i; |
338 |
< |
/* open files */ |
339 |
< |
if ((pfp = fopen(pcf, "r")) == NULL) { |
655 |
> |
int j, i; |
656 |
> |
/* open picture & get header */ |
657 |
> |
if ((pfp = fopen(pcf, "rb")) == NULL) { |
658 |
|
sprintf(errmsg, "cannot open picture file \"%s\"", pcf); |
659 |
|
error(SYSTEM, pcf); |
660 |
|
} |
343 |
– |
if ((zfd = open(zbf, O_RDONLY)) < 0) { |
344 |
– |
sprintf(errmsg, "cannot open depth file \"%s\"", zbf); |
345 |
– |
error(SYSTEM, pcf); |
346 |
– |
} |
347 |
– |
/* load picture header */ |
661 |
|
phd.vw = stdview; |
662 |
|
phd.expos = 1.0; |
663 |
|
phd.badfmt = phd.gotview = phd.altprims = 0; |
672 |
|
error(USER, errmsg); |
673 |
|
} |
674 |
|
if (phd.altprims) { |
675 |
< |
sprintf(errmsg, "ignoring primary values in picture \"%s\"", |
675 |
> |
sprintf(errmsg, "ignoring color primaries in picture \"%s\"", |
676 |
|
pcf); |
677 |
|
error(WARNING, errmsg); |
678 |
|
} |
679 |
+ |
/* open depth buffer */ |
680 |
+ |
if ((zfd = open_float_depth(zbf, prs.xr*prs.yr)) < 0) |
681 |
+ |
quit(1); |
682 |
|
/* figure out what to do about exposure */ |
683 |
|
if ((phd.expos < 0.99) | (phd.expos > 1.01)) { |
684 |
|
emult = -log(phd.expos)/log(2.); |
708 |
|
} |
709 |
|
if (eshft) /* shift exposure */ |
710 |
|
shiftcolrs(cscn, i, eshft); |
711 |
< |
i *= sizeof(float); /* read depth */ |
712 |
< |
if (read(zfd, (char *)zscn, i) != i) { |
711 |
> |
/* read depth */ |
712 |
> |
if (read(zfd, zscn, i*sizeof(float)) != i*sizeof(float)) { |
713 |
|
sprintf(errmsg, "error reading depth file \"%s\"", zbf); |
714 |
|
error(USER, errmsg); |
715 |
|
} |
716 |
< |
for (i = scanlen(&prs); i--; ) { /* do each pixel */ |
716 |
> |
while (i--) { /* process each pixel */ |
717 |
> |
if (zscn[i] <= 0.0) |
718 |
> |
continue; /* illegal depth */ |
719 |
|
pix2loc(vl, &prs, i, j); |
720 |
< |
aftd = viewray(ro, rd, &phd.vw, vl[0], vl[1]); |
720 |
> |
aftd = viewray(ryp.ro, ryp.rd, &phd.vw, vl[0], vl[1]); |
721 |
|
if (aftd < -FTINY) |
722 |
|
continue; /* off view */ |
723 |
|
if (aftd > FTINY && zscn[i] > aftd) |
724 |
|
continue; /* aft clipped */ |
725 |
+ |
ryp.d = (RREAL)zscn[i]; |
726 |
+ |
copycolr(ryp.cv, cscn[i]); |
727 |
|
if (emult > 0.) { /* whatta pain */ |
728 |
< |
colr_color(ctmp, cscn[i]); |
728 |
> |
COLOR ctmp; |
729 |
> |
colr_color(ctmp, ryp.cv); |
730 |
|
scalecolor(ctmp, emult); |
731 |
< |
setcolr(cscn[i], colval(ctmp,RED), |
731 |
> |
setcolr(ryp.cv, colval(ctmp,RED), |
732 |
|
colval(ctmp,GRN), colval(ctmp,BLU)); |
733 |
|
} |
734 |
< |
addray(ro, rd, (double)zscn[i], cscn[i]); |
734 |
> |
addray(&ryp); |
735 |
|
} |
736 |
|
} |
737 |
|
/* write output and free beams */ |
746 |
|
|
747 |
|
void |
748 |
|
eputs( /* put error message to stderr */ |
749 |
< |
register char *s |
749 |
> |
char *s |
750 |
|
) |
751 |
|
{ |
752 |
|
static int midline = 0; |