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/* Copyright (c) 1997 Silicon Graphics, Inc. */ |
2 |
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|
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#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ SGI"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
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#endif |
6 |
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|
4 |
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/* |
5 |
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* Copy data into a holodeck file |
6 |
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*/ |
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|
8 |
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#include "platform.h" |
9 |
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#include "holo.h" |
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#include "view.h" |
13 |
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#include "resolu.h" |
11 |
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|
12 |
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#ifndef BKBSIZE |
13 |
+ |
#define BKBSIZE 256 /* beam clump size (kilobytes) */ |
14 |
+ |
#endif |
15 |
+ |
|
16 |
+ |
int checkdepth = 1; /* check depth (!-d option)? */ |
17 |
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int checkrepeats = 0; /* check for repeats (-u option)? */ |
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int frompicz; /* input from pictures & depth-buffers? */ |
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int noutsects; /* number of output sections */ |
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char obstr, unobstr; /* flag pointer values */ |
29 |
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int i; |
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|
31 |
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progname = argv[0]; |
32 |
< |
if (argc < 4) |
32 |
> |
frompicz = -1; |
33 |
> |
for (i = 2; i < argc && argv[i][0] == '-'; i++) |
34 |
> |
switch (argv[i][1]) { |
35 |
> |
case 'u': |
36 |
> |
checkrepeats = 1; |
37 |
> |
break; |
38 |
> |
case 'd': |
39 |
> |
checkdepth = 0; |
40 |
> |
break; |
41 |
> |
case 'h': |
42 |
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frompicz = 0; |
43 |
> |
break; |
44 |
> |
case 'p': |
45 |
> |
frompicz = 1; |
46 |
> |
break; |
47 |
> |
default: |
48 |
> |
goto userr; |
49 |
> |
} |
50 |
> |
if (i >= argc || frompicz < 0) |
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goto userr; |
52 |
< |
if (!strcmp(argv[2], "-h")) |
32 |
< |
frompicz = 0; |
33 |
< |
else if (!strcmp(argv[2], "-pz")) |
34 |
< |
frompicz = 1; |
35 |
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else |
52 |
> |
if (frompicz && (argc-i)%2) |
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goto userr; |
37 |
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if (frompicz && (argc-3)%2) |
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goto userr; |
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noutsects = openholo(argv[1], 1); |
55 |
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if (frompicz) |
56 |
< |
for (i = 3; i < argc; i += 2) |
55 |
> |
if (frompicz) { |
56 |
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for ( ; i < argc; i += 2) |
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addpicz(argv[i], argv[i+1]); |
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else |
59 |
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for (i = 3; i < argc; i++) |
58 |
> |
} else { |
59 |
> |
if (BKBSIZE*1024*1.5 > hdcachesize) |
60 |
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hdcachesize = BKBSIZE*1024*1.5; |
61 |
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for ( ; i < argc; i++) |
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addholo(argv[i]); |
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} |
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quit(0); |
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userr: |
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fprintf(stderr, "Usage: %s output.hdk -h inp1.hdk ..\n", progname); |
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fprintf(stderr, " Or: %s output.hdk -pz inp1.pic inp1.zbf ..\n", |
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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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progname); |
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exit(1); |
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} |
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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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*hf |= H_BADF; |
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else |
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*hf &= ~H_BADF; |
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return; |
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return(0); |
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} |
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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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return; |
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return(0); |
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} |
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return(0); |
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} |
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|
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int |
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char *fname; |
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int append; |
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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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error(SYSTEM, errmsg); |
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} |
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/* check header and magic number */ |
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if (getheader(fp, holheadline, &hflags) < 0 || |
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if (getheader(fp, holheadline, (char *)&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 */ |
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lseek(fd, nextloc, 0); |
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lseek(fd, (off_t)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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double d; |
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COLR cv; |
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{ |
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int sn; |
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> |
int sn, bi, n; |
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register HOLO *hp; |
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GCOORD gc[2]; |
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BYTE 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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register RAYVAL *rv; |
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/* check each output section */ |
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for (sn = noutsects; sn--; ) { |
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d0 = hdinter(gc, rr, &d1, hp, ro, rd); |
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if (d <= d0 || d1 < -0.001) |
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continue; /* missed section */ |
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if (hp->priv == &obstr && d0 < -0.001) |
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continue; /* ray starts too late */ |
166 |
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if (hp->priv == &unobstr && d < 0.999*d1) |
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continue; /* ray ends too soon */ |
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/* should we check for duplicates? */ |
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rv = hdnewrays(hp, hdbindex(hp, gc), 1); |
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> |
if (checkdepth) { /* check depth */ |
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if (hp->priv == &obstr && d0 < -0.001) |
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continue; /* ray starts too late */ |
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if (hp->priv == &unobstr && d < 0.999*d1) |
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continue; /* ray ends too soon */ |
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} |
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> |
dc = hdcode(hp, d-d0); |
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> |
bi = hdbindex(hp, gc); /* check for duplicates */ |
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> |
if (checkrepeats && (bp = hdgetbeam(hp, bi)) != NULL) { |
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> |
for (n = bp->nrm, rv = hdbray(bp); n--; rv++) |
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> |
if ((hp->priv != NULL || rv->d == dc) && |
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> |
rv->r[0][0] == rr[0][0] && |
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rv->r[0][1] == rr[0][1] && |
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rv->r[1][0] == rr[1][0] && |
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rv->r[1][1] == rr[1][1]) |
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> |
break; |
180 |
> |
if (n >= 0) |
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continue; /* found a matching ray */ |
182 |
> |
} |
183 |
> |
rv = hdnewrays(hp, bi, 1); |
184 |
> |
rv->d = dc; |
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rv->r[0][0] = rr[0][0]; rv->r[0][1] = rr[0][1]; |
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rv->r[1][0] = rr[1][0]; rv->r[1][1] = rr[1][1]; |
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copycolr(rv->v, cv); |
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rv->d = hdcode(hp, d-d0); |
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} |
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} |
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|
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|
192 |
< |
addholo(hdf) /* add a holodeck file */ |
193 |
< |
char *hdf; |
192 |
> |
static BEAMI *beamdir; |
193 |
> |
|
194 |
> |
static int |
195 |
> |
bpcmp(b1p, b2p) /* compare beam positions on disk */ |
196 |
> |
int *b1p, *b2p; |
197 |
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{ |
198 |
< |
int fd; |
199 |
< |
register HOLO *hp; |
200 |
< |
register BEAM *bp; |
201 |
< |
register HDBEAMI *hbl; |
198 |
> |
register off_t pdif = beamdir[*b1p].fo - beamdir[*b2p].fo; |
199 |
> |
|
200 |
> |
if (pdif > 0L) return(1); |
201 |
> |
if (pdif < 0L) return(-1); |
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> |
return(0); |
203 |
> |
} |
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> |
|
205 |
> |
static int |
206 |
> |
addclump(hp, bq, nb) /* transfer the given clump and free */ |
207 |
> |
HOLO *hp; |
208 |
> |
int *bq, nb; |
209 |
> |
{ |
210 |
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GCOORD gc[2]; |
211 |
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FVECT ro, rd; |
212 |
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double d; |
213 |
< |
int i, j; |
213 |
> |
int i; |
214 |
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register int k; |
215 |
+ |
register BEAM *bp; |
216 |
+ |
/* sort based on file position */ |
217 |
+ |
beamdir = hp->bi; |
218 |
+ |
qsort((char *)bq, nb, sizeof(*bq), bpcmp); |
219 |
+ |
/* transfer each beam */ |
220 |
+ |
for (i = 0; i < nb; i++) { |
221 |
+ |
bp = hdgetbeam(hp, bq[i]); |
222 |
+ |
hdbcoord(gc, hp, bq[i]); |
223 |
+ |
/* add each ray to output */ |
224 |
+ |
for (k = bp->nrm; k--; ) { |
225 |
+ |
d = hdray(ro, rd, hp, gc, hdbray(bp)[k].r); |
226 |
+ |
if (hp->priv == &unobstr) |
227 |
+ |
VSUM(ro, ro, rd, d); |
228 |
+ |
else |
229 |
+ |
d = 0.; |
230 |
+ |
d = hddepth(hp, hdbray(bp)[k].d) - d; |
231 |
+ |
addray(ro, rd, d, hdbray(bp)[k].v); |
232 |
+ |
} |
233 |
+ |
hdfreebeam(hp, bq[i]); /* free the beam */ |
234 |
+ |
} |
235 |
+ |
return(0); |
236 |
+ |
} |
237 |
+ |
|
238 |
+ |
addholo(hdf) /* add a holodeck file */ |
239 |
+ |
char *hdf; |
240 |
+ |
{ |
241 |
+ |
int fd; |
242 |
|
/* open the holodeck for reading */ |
243 |
|
openholo(hdf, 0); |
244 |
|
fd = hdlist[noutsects]->fd; /* remember the file handle */ |
245 |
< |
while ((hp = hdlist[noutsects]) != NULL) { /* load each section */ |
246 |
< |
hbl = (HDBEAMI *)malloc(nbeams(hp)*sizeof(HDBEAMI)); |
247 |
< |
if (hbl == NULL) |
248 |
< |
error(SYSTEM, "out of memory in addholo"); |
175 |
< |
for (j = nbeams(hp); j > 0; j--) { /* sort the beams */ |
176 |
< |
hbl[j].h = hp; |
177 |
< |
hbl[j].b = j; |
178 |
< |
} |
179 |
< |
qsort((char *)hbl, nbeams(hp), sizeof(HDBEAMI), hdfilord); |
180 |
< |
for (j = 0; j < nbeams(hp); j++) /* load each beam */ |
181 |
< |
if ((bp = hdgetbeam(hp, hbl[j].b)) != NULL) { |
182 |
< |
hdbcoord(gc, hp, hbl[j].b); |
183 |
< |
for (k = bp->nrm; k--; ) { |
184 |
< |
d = hdray(ro, rd, |
185 |
< |
hp, gc, hdbray(bp)[k].r); |
186 |
< |
if (hp->priv == &unobstr) |
187 |
< |
VSUM(ro, ro, rd, d); |
188 |
< |
else |
189 |
< |
d = 0.; |
190 |
< |
d = hddepth(hp, hdbray(bp)[k].d) - d; |
191 |
< |
addray(ro, rd, d, hdbray(bp)[k].v); |
192 |
< |
} |
193 |
< |
hdfreebeam(hp, hbl[j].b); /* free beam */ |
194 |
< |
} |
195 |
< |
free((char *)hbl); /* free beam list */ |
196 |
< |
hddone(hp); /* free the section */ |
245 |
> |
while (hdlist[noutsects] != NULL) { /* load each section */ |
246 |
> |
/* clump the beams */ |
247 |
> |
clumpbeams(hdlist[noutsects], 0, BKBSIZE*1024, addclump); |
248 |
> |
hddone(hdlist[noutsects]); /* free the section */ |
249 |
|
} |
250 |
< |
close(fd); /* close the file */ |
250 |
> |
close(fd); /* close input file */ |
251 |
> |
hdflush(NULL); /* flush output */ |
252 |
|
} |
253 |
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|
254 |
|
|
261 |
|
}; |
262 |
|
|
263 |
|
|
264 |
+ |
int |
265 |
|
picheadline(s, ph) /* process picture header line */ |
266 |
|
char *s; |
267 |
|
struct phead *ph; |
270 |
|
|
271 |
|
if (formatval(fmt, s)) { |
272 |
|
ph->badfmt = strcmp(fmt, COLRFMT); |
273 |
< |
return; |
273 |
> |
return(0); |
274 |
|
} |
275 |
|
if (isprims(s)) { |
276 |
|
ph->altprims++; /* don't want to deal with this */ |
277 |
< |
return; |
277 |
> |
return(0); |
278 |
|
} |
279 |
|
if (isexpos(s)) { |
280 |
|
ph->expos *= exposval(s); |
281 |
< |
return; |
281 |
> |
return(0); |
282 |
|
} |
283 |
|
if (isview(s)) { |
284 |
|
ph->gotview += sscanview(&ph->vw, s); |
285 |
< |
return; |
285 |
> |
return(0); |
286 |
|
} |
287 |
+ |
return(0); |
288 |
|
} |
289 |
|
|
290 |
|
|
299 |
|
int eshft; |
300 |
|
double emult; |
301 |
|
RESOLU prs; |
302 |
< |
FLOAT vl[2]; |
302 |
> |
RREAL vl[2]; |
303 |
|
FVECT ro, rd; |
304 |
|
double aftd; |
305 |
|
COLOR ctmp; |
315 |
|
error(SYSTEM, pcf); |
316 |
|
} |
317 |
|
/* load picture header */ |
318 |
< |
copystruct(&phd.vw, &stdview); |
318 |
> |
phd.vw = stdview; |
319 |
|
phd.expos = 1.0; |
320 |
|
phd.badfmt = phd.gotview = phd.altprims = 0; |
321 |
< |
if (getheader(pfp, picheadline, &phd) < 0 || |
321 |
> |
if (getheader(pfp, picheadline, (char *)&phd) < 0 || |
322 |
|
phd.badfmt || !fgetsresolu(&prs, pfp)) { |
323 |
|
sprintf(errmsg, "bad format for picture file \"%s\"", pcf); |
324 |
|
error(USER, errmsg); |
334 |
|
error(WARNING, errmsg); |
335 |
|
} |
336 |
|
/* figure out what to do about exposure */ |
337 |
< |
if (phd.expos < 0.99 | phd.expos > 1.01) { |
337 |
> |
if ((phd.expos < 0.99) | (phd.expos > 1.01)) { |
338 |
|
emult = -log(phd.expos)/log(2.); |
339 |
|
eshft = emult >= 0. ? emult+.5 : emult-.5; |
340 |
|
emult -= (double)eshft; |
341 |
< |
if (emult <= 0.01 & emult >= -0.01) |
341 |
> |
if ((emult <= 0.01) & (emult >= -0.01)) |
342 |
|
emult = -1.; |
343 |
|
else { |
344 |
|
emult = 1./phd.expos; |
351 |
|
/* allocate buffers */ |
352 |
|
cscn = (COLR *)malloc(scanlen(&prs)*sizeof(COLR)); |
353 |
|
zscn = (float *)malloc(scanlen(&prs)*sizeof(float)); |
354 |
< |
if (cscn == NULL | zscn == NULL) |
354 |
> |
if ((cscn == NULL) | (zscn == NULL)) |
355 |
|
error(SYSTEM, "out of memory in addpicz"); |
356 |
|
/* read and process each scanline */ |
357 |
|
for (j = 0; j < numscans(&prs); j++) { |
383 |
|
addray(ro, rd, (double)zscn[i], cscn[i]); |
384 |
|
} |
385 |
|
} |
386 |
+ |
/* write output and free beams */ |
387 |
+ |
hdflush(NULL); |
388 |
|
/* clean up */ |
389 |
< |
free((char *)cscn); |
390 |
< |
free((char *)zscn); |
389 |
> |
free((void *)cscn); |
390 |
> |
free((void *)zscn); |
391 |
|
fclose(pfp); |
392 |
|
close(zfd); |
393 |
|
} |
394 |
|
|
395 |
|
|
396 |
+ |
void |
397 |
|
eputs(s) /* put error message to stderr */ |
398 |
|
register char *s; |
399 |
|
{ |
413 |
|
} |
414 |
|
|
415 |
|
|
416 |
+ |
void |
417 |
|
quit(code) /* exit the program gracefully */ |
418 |
|
int code; |
419 |
|
{ |