5 |
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* Copy data into a holodeck file |
6 |
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*/ |
7 |
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|
8 |
+ |
#include "platform.h" |
9 |
+ |
#include "rterror.h" |
10 |
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#include "holo.h" |
11 |
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#include "view.h" |
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|
22 |
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|
23 |
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char *progname; /* global argv[0] */ |
24 |
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|
25 |
+ |
struct phead { |
26 |
+ |
VIEW vw; |
27 |
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double expos; |
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short gotview; |
29 |
+ |
short badfmt; |
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short altprims; |
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}; |
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+ |
static int openholo(char *fname, int append); |
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+ |
static void addray(FVECT ro, FVECT rd, double d, COLR cv); |
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+ |
static gethfunc holheadline; |
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static int bpcmp(const void *b1p, const void *b2p); |
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static int addclump(HOLO *hp, int *bq, int nb); |
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static void addholo(char *hdf); |
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static gethfunc picheadline; |
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static void addpicz(char *pcf, char *zbf); |
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|
41 |
< |
main(argc, argv) |
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int argc; |
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< |
char *argv[]; |
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> |
|
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|
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int |
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main( |
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int argc, |
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char *argv[] |
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) |
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{ |
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int i; |
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|
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userr: |
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fprintf(stderr, "Usage: %s output.hdk [-u][-d] -h inp1.hdk ..\n", |
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progname); |
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fprintf(stderr, " Or: %s output.hdk [-u][-d] -p inp1.pic inp1.zbf ..\n", |
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fprintf(stderr, " Or: %s output.hdk [-u][-d] -p inp1.hdr inp1.zbf ..\n", |
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progname); |
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exit(1); |
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} |
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#define H_OBST 02 |
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#define H_OBSF 04 |
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|
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< |
int |
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holheadline(s, hf) /* check holodeck header line */ |
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register char *s; |
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int *hf; |
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static int |
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> |
holheadline( /* check holodeck header line */ |
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register char *s, |
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void *vhf |
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) |
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{ |
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< |
char fmt[32]; |
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> |
char fmt[MAXFMTLEN]; |
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int *hf = vhf; |
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|
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if (formatval(fmt, s)) { |
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if (strcmp(fmt, HOLOFMT)) |
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if (!strncmp(s, "OBSTRUCTIONS=", 13)) { |
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s += 13; |
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while (*s == ' ') s++; |
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if (*s == 't' | *s == 'T') |
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if ((*s == 't') | (*s == 'T')) |
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*hf |= H_OBST; |
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else if (*s == 'f' | *s == 'F') |
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else if ((*s == 'f') | (*s == 'F')) |
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*hf |= H_OBSF; |
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else |
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error(WARNING, "bad OBSTRUCTIONS value in holodeck"); |
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} |
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|
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int |
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openholo(fname, append) /* open existing holodeck file for i/o */ |
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char *fname; |
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< |
int append; |
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> |
openholo( /* open existing holodeck file for i/o */ |
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> |
char *fname, |
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> |
int append |
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) |
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{ |
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extern long ftell(); |
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FILE *fp; |
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int fd; |
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int hflags = 0; |
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< |
long nextloc; |
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> |
off_t nextloc; |
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int n; |
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/* open holodeck file */ |
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if ((fp = fopen(fname, append ? "r+" : "r")) == NULL) { |
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error(SYSTEM, errmsg); |
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} |
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/* check header and magic number */ |
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< |
if (getheader(fp, holheadline, (char *)&hflags) < 0 || |
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> |
if (getheader(fp, holheadline, &hflags) < 0 || |
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hflags&H_BADF || getw(fp) != HOLOMAGIC) { |
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sprintf(errmsg, "file \"%s\" not in holodeck format", fname); |
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error(USER, errmsg); |
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nextloc = ftell(fp); /* get stdio position */ |
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fclose(fp); /* done with stdio */ |
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for (n = 0; nextloc > 0L; n++) { /* initialize each section */ |
155 |
< |
lseek(fd, (off_t)nextloc, 0); |
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> |
lseek(fd, nextloc, SEEK_SET); |
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read(fd, (char *)&nextloc, sizeof(nextloc)); |
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hdinit(fd, NULL)->priv = hflags&H_OBST ? &obstr : |
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hflags&H_OBSF ? &unobstr : (char *)NULL; |
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#undef H_OBSF |
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|
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|
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< |
addray(ro, rd, d, cv) /* add a ray to our output holodeck */ |
169 |
< |
FVECT ro, rd; |
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< |
double d; |
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< |
COLR cv; |
168 |
> |
void |
169 |
> |
addray( /* add a ray to our output holodeck */ |
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> |
FVECT ro, |
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FVECT rd, |
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double d, |
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COLR cv |
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) |
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{ |
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int sn, bi, n; |
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register HOLO *hp; |
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GCOORD gc[2]; |
179 |
< |
BYTE rr[2][2]; |
179 |
> |
uby8 rr[2][2]; |
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BEAM *bp; |
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double d0, d1; |
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unsigned dc; |
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static BEAMI *beamdir; |
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|
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static int |
221 |
< |
bpcmp(b1p, b2p) /* compare beam positions on disk */ |
222 |
< |
int *b1p, *b2p; |
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> |
bpcmp( /* compare beam positions on disk */ |
222 |
> |
const void *b1p, |
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> |
const void *b2p |
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> |
) |
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{ |
226 |
< |
register long pdif = beamdir[*b1p].fo - beamdir[*b2p].fo; |
226 |
> |
register off_t pdif = beamdir[*(int*)b1p].fo - beamdir[*(int*)b2p].fo; |
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|
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if (pdif > 0L) return(1); |
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if (pdif < 0L) return(-1); |
231 |
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} |
232 |
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|
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static int |
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< |
addclump(hp, bq, nb) /* transfer the given clump and free */ |
235 |
< |
HOLO *hp; |
236 |
< |
int *bq, nb; |
234 |
> |
addclump( /* transfer the given clump and free */ |
235 |
> |
HOLO *hp, |
236 |
> |
int *bq, |
237 |
> |
int nb |
238 |
> |
) |
239 |
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{ |
240 |
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GCOORD gc[2]; |
241 |
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FVECT ro, rd; |
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return(0); |
266 |
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} |
267 |
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|
268 |
< |
addholo(hdf) /* add a holodeck file */ |
269 |
< |
char *hdf; |
268 |
> |
|
269 |
> |
void |
270 |
> |
addholo( /* add a holodeck file */ |
271 |
> |
char *hdf |
272 |
> |
) |
273 |
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{ |
274 |
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int fd; |
275 |
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/* open the holodeck for reading */ |
285 |
|
} |
286 |
|
|
287 |
|
|
255 |
– |
struct phead { |
256 |
– |
VIEW vw; |
257 |
– |
double expos; |
258 |
– |
short gotview; |
259 |
– |
short badfmt; |
260 |
– |
short altprims; |
261 |
– |
}; |
288 |
|
|
289 |
< |
|
290 |
< |
int |
291 |
< |
picheadline(s, ph) /* process picture header line */ |
292 |
< |
char *s; |
293 |
< |
struct phead *ph; |
289 |
> |
static int |
290 |
> |
picheadline( /* process picture header line */ |
291 |
> |
char *s, |
292 |
> |
void *vph |
293 |
> |
) |
294 |
|
{ |
295 |
|
char fmt[32]; |
296 |
+ |
struct phead *ph = vph; |
297 |
|
|
298 |
|
if (formatval(fmt, s)) { |
299 |
|
ph->badfmt = strcmp(fmt, COLRFMT); |
315 |
|
} |
316 |
|
|
317 |
|
|
318 |
< |
addpicz(pcf, zbf) /* add a picture + depth-buffer */ |
319 |
< |
char *pcf, *zbf; |
318 |
> |
void |
319 |
> |
addpicz( /* add a picture + depth-buffer */ |
320 |
> |
char *pcf, |
321 |
> |
char *zbf |
322 |
> |
) |
323 |
|
{ |
324 |
|
FILE *pfp; |
325 |
|
int zfd; |
329 |
|
int eshft; |
330 |
|
double emult; |
331 |
|
RESOLU prs; |
332 |
< |
FLOAT vl[2]; |
332 |
> |
RREAL vl[2]; |
333 |
|
FVECT ro, rd; |
334 |
|
double aftd; |
335 |
|
COLOR ctmp; |
345 |
|
error(SYSTEM, pcf); |
346 |
|
} |
347 |
|
/* load picture header */ |
348 |
< |
copystruct(&phd.vw, &stdview); |
348 |
> |
phd.vw = stdview; |
349 |
|
phd.expos = 1.0; |
350 |
|
phd.badfmt = phd.gotview = phd.altprims = 0; |
351 |
< |
if (getheader(pfp, picheadline, (char *)&phd) < 0 || |
351 |
> |
if (getheader(pfp, picheadline, &phd) < 0 || |
352 |
|
phd.badfmt || !fgetsresolu(&prs, pfp)) { |
353 |
|
sprintf(errmsg, "bad format for picture file \"%s\"", pcf); |
354 |
|
error(USER, errmsg); |
359 |
|
error(USER, errmsg); |
360 |
|
} |
361 |
|
if (phd.altprims) { |
362 |
< |
sprintf(errmsg, "ignoring primary values in picture \"%s\"", |
362 |
> |
sprintf(errmsg, "ignoring color primaries in picture \"%s\"", |
363 |
|
pcf); |
364 |
|
error(WARNING, errmsg); |
365 |
|
} |
366 |
|
/* figure out what to do about exposure */ |
367 |
< |
if (phd.expos < 0.99 | phd.expos > 1.01) { |
367 |
> |
if ((phd.expos < 0.99) | (phd.expos > 1.01)) { |
368 |
|
emult = -log(phd.expos)/log(2.); |
369 |
|
eshft = emult >= 0. ? emult+.5 : emult-.5; |
370 |
|
emult -= (double)eshft; |
371 |
< |
if (emult <= 0.01 & emult >= -0.01) |
371 |
> |
if ((emult <= 0.01) & (emult >= -0.01)) |
372 |
|
emult = -1.; |
373 |
|
else { |
374 |
|
emult = 1./phd.expos; |
381 |
|
/* allocate buffers */ |
382 |
|
cscn = (COLR *)malloc(scanlen(&prs)*sizeof(COLR)); |
383 |
|
zscn = (float *)malloc(scanlen(&prs)*sizeof(float)); |
384 |
< |
if (cscn == NULL | zscn == NULL) |
384 |
> |
if ((cscn == NULL) | (zscn == NULL)) |
385 |
|
error(SYSTEM, "out of memory in addpicz"); |
386 |
|
/* read and process each scanline */ |
387 |
|
for (j = 0; j < numscans(&prs); j++) { |
398 |
|
error(USER, errmsg); |
399 |
|
} |
400 |
|
for (i = scanlen(&prs); i--; ) { /* do each pixel */ |
401 |
+ |
if (zscn[i] <= 0.0) |
402 |
+ |
continue; /* illegal depth */ |
403 |
|
pix2loc(vl, &prs, i, j); |
404 |
|
aftd = viewray(ro, rd, &phd.vw, vl[0], vl[1]); |
405 |
|
if (aftd < -FTINY) |
426 |
|
|
427 |
|
|
428 |
|
void |
429 |
< |
eputs(s) /* put error message to stderr */ |
430 |
< |
register char *s; |
429 |
> |
eputs( /* put error message to stderr */ |
430 |
> |
register char *s |
431 |
> |
) |
432 |
|
{ |
433 |
|
static int midline = 0; |
434 |
|
|
447 |
|
|
448 |
|
|
449 |
|
void |
450 |
< |
quit(code) /* exit the program gracefully */ |
451 |
< |
int code; |
450 |
> |
quit( /* exit the program gracefully */ |
451 |
> |
int code |
452 |
> |
) |
453 |
|
{ |
454 |
|
hdsync(NULL, 1); /* write out any buffered data */ |
455 |
|
exit(code); |