| 1 |
– |
/* Copyright (c) 1997 Silicon Graphics, Inc. */ |
| 2 |
– |
|
| 1 |
|
#ifndef lint |
| 2 |
< |
static char SCCSid[] = "$SunId$ SGI"; |
| 2 |
> |
static const char RCSid[] = "$Id$"; |
| 3 |
|
#endif |
| 6 |
– |
|
| 4 |
|
/* |
| 5 |
|
* Copy data into a holodeck file |
| 6 |
|
*/ |
| 7 |
|
|
| 8 |
+ |
#include "platform.h" |
| 9 |
+ |
#include "rterror.h" |
| 10 |
|
#include "holo.h" |
| 11 |
|
#include "view.h" |
| 13 |
– |
#include "resolu.h" |
| 12 |
|
|
| 13 |
+ |
#ifndef BKBSIZE |
| 14 |
+ |
#define BKBSIZE 256 /* beam clump size (kilobytes) */ |
| 15 |
+ |
#endif |
| 16 |
+ |
|
| 17 |
+ |
int checkdepth = 1; /* check depth (!-d option)? */ |
| 18 |
+ |
int checkrepeats = 0; /* check for repeats (-u option)? */ |
| 19 |
|
int frompicz; /* input from pictures & depth-buffers? */ |
| 20 |
|
int noutsects; /* number of output sections */ |
| 21 |
|
char obstr, unobstr; /* flag pointer values */ |
| 22 |
|
|
| 23 |
|
char *progname; /* global argv[0] */ |
| 24 |
|
|
| 25 |
+ |
struct phead { |
| 26 |
+ |
VIEW vw; |
| 27 |
+ |
double expos; |
| 28 |
+ |
short gotview; |
| 29 |
+ |
short badfmt; |
| 30 |
+ |
short altprims; |
| 31 |
+ |
}; |
| 32 |
+ |
static int openholo(char *fname, int append); |
| 33 |
+ |
static void addray(FVECT ro, FVECT rd, double d, COLR cv); |
| 34 |
+ |
static gethfunc holheadline; |
| 35 |
+ |
static int bpcmp(const void *b1p, const void *b2p); |
| 36 |
+ |
static int addclump(HOLO *hp, int *bq, int nb); |
| 37 |
+ |
static void addholo(char *hdf); |
| 38 |
+ |
static gethfunc picheadline; |
| 39 |
+ |
static void addpicz(char *pcf, char *zbf); |
| 40 |
|
|
| 41 |
< |
main(argc, argv) |
| 42 |
< |
int argc; |
| 43 |
< |
char *argv[]; |
| 41 |
> |
|
| 42 |
> |
|
| 43 |
> |
int |
| 44 |
> |
main( |
| 45 |
> |
int argc, |
| 46 |
> |
char *argv[] |
| 47 |
> |
) |
| 48 |
|
{ |
| 49 |
|
int i; |
| 50 |
|
|
| 51 |
|
progname = argv[0]; |
| 52 |
< |
if (argc < 4) |
| 52 |
> |
frompicz = -1; |
| 53 |
> |
for (i = 2; i < argc && argv[i][0] == '-'; i++) |
| 54 |
> |
switch (argv[i][1]) { |
| 55 |
> |
case 'u': |
| 56 |
> |
checkrepeats = 1; |
| 57 |
> |
break; |
| 58 |
> |
case 'd': |
| 59 |
> |
checkdepth = 0; |
| 60 |
> |
break; |
| 61 |
> |
case 'h': |
| 62 |
> |
frompicz = 0; |
| 63 |
> |
break; |
| 64 |
> |
case 'p': |
| 65 |
> |
frompicz = 1; |
| 66 |
> |
break; |
| 67 |
> |
default: |
| 68 |
> |
goto userr; |
| 69 |
> |
} |
| 70 |
> |
if (i >= argc || frompicz < 0) |
| 71 |
|
goto userr; |
| 72 |
< |
if (!strcmp(argv[2], "-h")) |
| 32 |
< |
frompicz = 0; |
| 33 |
< |
else if (!strcmp(argv[2], "-pz")) |
| 34 |
< |
frompicz = 1; |
| 35 |
< |
else |
| 72 |
> |
if (frompicz && (argc-i)%2) |
| 73 |
|
goto userr; |
| 37 |
– |
if (frompicz && (argc-3)%2) |
| 38 |
– |
goto userr; |
| 74 |
|
noutsects = openholo(argv[1], 1); |
| 75 |
< |
if (frompicz) |
| 76 |
< |
for (i = 3; i < argc; i += 2) |
| 75 |
> |
if (frompicz) { |
| 76 |
> |
for ( ; i < argc; i += 2) |
| 77 |
|
addpicz(argv[i], argv[i+1]); |
| 78 |
< |
else |
| 79 |
< |
for (i = 3; i < argc; i++) |
| 78 |
> |
} else { |
| 79 |
> |
if (BKBSIZE*1024*1.5 > hdcachesize) |
| 80 |
> |
hdcachesize = BKBSIZE*1024*1.5; |
| 81 |
> |
for ( ; i < argc; i++) |
| 82 |
|
addholo(argv[i]); |
| 83 |
+ |
} |
| 84 |
|
quit(0); |
| 85 |
|
userr: |
| 86 |
< |
fprintf(stderr, "Usage: %s output.hdk -h inp1.hdk ..\n", progname); |
| 49 |
< |
fprintf(stderr, " Or: %s output.hdk -pz inp1.pic inp1.zbf ..\n", |
| 86 |
> |
fprintf(stderr, "Usage: %s output.hdk [-u][-d] -h inp1.hdk ..\n", |
| 87 |
|
progname); |
| 88 |
+ |
fprintf(stderr, " Or: %s output.hdk [-u][-d] -p inp1.hdr inp1.zbf ..\n", |
| 89 |
+ |
progname); |
| 90 |
|
exit(1); |
| 91 |
|
} |
| 92 |
|
|
| 95 |
|
#define H_OBST 02 |
| 96 |
|
#define H_OBSF 04 |
| 97 |
|
|
| 98 |
< |
holheadline(s, hf) /* check holodeck header line */ |
| 99 |
< |
register char *s; |
| 100 |
< |
int *hf; |
| 98 |
> |
static int |
| 99 |
> |
holheadline( /* check holodeck header line */ |
| 100 |
> |
register char *s, |
| 101 |
> |
void *vhf |
| 102 |
> |
) |
| 103 |
|
{ |
| 104 |
|
char fmt[32]; |
| 105 |
+ |
int *hf = vhf; |
| 106 |
|
|
| 107 |
|
if (formatval(fmt, s)) { |
| 108 |
|
if (strcmp(fmt, HOLOFMT)) |
| 109 |
|
*hf |= H_BADF; |
| 110 |
|
else |
| 111 |
|
*hf &= ~H_BADF; |
| 112 |
< |
return; |
| 112 |
> |
return(0); |
| 113 |
|
} |
| 114 |
|
if (!strncmp(s, "OBSTRUCTIONS=", 13)) { |
| 115 |
|
s += 13; |
| 116 |
|
while (*s == ' ') s++; |
| 117 |
< |
if (*s == 't' | *s == 'T') |
| 117 |
> |
if ((*s == 't') | (*s == 'T')) |
| 118 |
|
*hf |= H_OBST; |
| 119 |
< |
else if (*s == 'f' | *s == 'F') |
| 119 |
> |
else if ((*s == 'f') | (*s == 'F')) |
| 120 |
|
*hf |= H_OBSF; |
| 121 |
|
else |
| 122 |
|
error(WARNING, "bad OBSTRUCTIONS value in holodeck"); |
| 123 |
< |
return; |
| 123 |
> |
return(0); |
| 124 |
|
} |
| 125 |
+ |
return(0); |
| 126 |
|
} |
| 127 |
|
|
| 128 |
|
int |
| 129 |
< |
openholo(fname, append) /* open existing holodeck file for i/o */ |
| 130 |
< |
char *fname; |
| 131 |
< |
int append; |
| 129 |
> |
openholo( /* open existing holodeck file for i/o */ |
| 130 |
> |
char *fname, |
| 131 |
> |
int append |
| 132 |
> |
) |
| 133 |
|
{ |
| 90 |
– |
extern long ftell(); |
| 134 |
|
FILE *fp; |
| 135 |
|
int fd; |
| 136 |
|
int hflags = 0; |
| 137 |
< |
long nextloc; |
| 137 |
> |
off_t nextloc; |
| 138 |
|
int n; |
| 139 |
|
/* open holodeck file */ |
| 140 |
|
if ((fp = fopen(fname, append ? "r+" : "r")) == NULL) { |
| 152 |
|
nextloc = ftell(fp); /* get stdio position */ |
| 153 |
|
fclose(fp); /* done with stdio */ |
| 154 |
|
for (n = 0; nextloc > 0L; n++) { /* initialize each section */ |
| 155 |
< |
lseek(fd, nextloc, 0); |
| 155 |
> |
lseek(fd, nextloc, SEEK_SET); |
| 156 |
|
read(fd, (char *)&nextloc, sizeof(nextloc)); |
| 157 |
|
hdinit(fd, NULL)->priv = hflags&H_OBST ? &obstr : |
| 158 |
|
hflags&H_OBSF ? &unobstr : (char *)NULL; |
| 165 |
|
#undef H_OBSF |
| 166 |
|
|
| 167 |
|
|
| 168 |
< |
addray(ro, rd, d, cv) /* add a ray to our output holodeck */ |
| 169 |
< |
FVECT ro, rd; |
| 170 |
< |
double d; |
| 171 |
< |
COLR cv; |
| 168 |
> |
void |
| 169 |
> |
addray( /* add a ray to our output holodeck */ |
| 170 |
> |
FVECT ro, |
| 171 |
> |
FVECT rd, |
| 172 |
> |
double d, |
| 173 |
> |
COLR cv |
| 174 |
> |
) |
| 175 |
|
{ |
| 176 |
< |
int sn; |
| 176 |
> |
int sn, bi, n; |
| 177 |
|
register HOLO *hp; |
| 178 |
|
GCOORD gc[2]; |
| 179 |
< |
BYTE rr[2][2]; |
| 179 |
> |
uby8 rr[2][2]; |
| 180 |
> |
BEAM *bp; |
| 181 |
|
double d0, d1; |
| 182 |
+ |
unsigned dc; |
| 183 |
|
register RAYVAL *rv; |
| 184 |
|
/* check each output section */ |
| 185 |
|
for (sn = noutsects; sn--; ) { |
| 187 |
|
d0 = hdinter(gc, rr, &d1, hp, ro, rd); |
| 188 |
|
if (d <= d0 || d1 < -0.001) |
| 189 |
|
continue; /* missed section */ |
| 190 |
< |
if (hp->priv == &obstr && d0 < -0.001) |
| 191 |
< |
continue; /* ray starts too late */ |
| 192 |
< |
if (hp->priv == &unobstr && d < 0.999*d1) |
| 193 |
< |
continue; /* ray ends too soon */ |
| 194 |
< |
/* should we check for duplicates? */ |
| 195 |
< |
rv = hdnewrays(hp, hdbindex(hp, gc), 1); |
| 190 |
> |
if (checkdepth) { /* check depth */ |
| 191 |
> |
if (hp->priv == &obstr && d0 < -0.001) |
| 192 |
> |
continue; /* ray starts too late */ |
| 193 |
> |
if (hp->priv == &unobstr && d < 0.999*d1) |
| 194 |
> |
continue; /* ray ends too soon */ |
| 195 |
> |
} |
| 196 |
> |
dc = hdcode(hp, d-d0); |
| 197 |
> |
bi = hdbindex(hp, gc); /* check for duplicates */ |
| 198 |
> |
if (checkrepeats && (bp = hdgetbeam(hp, bi)) != NULL) { |
| 199 |
> |
for (n = bp->nrm, rv = hdbray(bp); n--; rv++) |
| 200 |
> |
if ((hp->priv != NULL || rv->d == dc) && |
| 201 |
> |
rv->r[0][0] == rr[0][0] && |
| 202 |
> |
rv->r[0][1] == rr[0][1] && |
| 203 |
> |
rv->r[1][0] == rr[1][0] && |
| 204 |
> |
rv->r[1][1] == rr[1][1]) |
| 205 |
> |
break; |
| 206 |
> |
if (n >= 0) |
| 207 |
> |
continue; /* found a matching ray */ |
| 208 |
> |
} |
| 209 |
> |
rv = hdnewrays(hp, bi, 1); |
| 210 |
> |
rv->d = dc; |
| 211 |
|
rv->r[0][0] = rr[0][0]; rv->r[0][1] = rr[0][1]; |
| 212 |
|
rv->r[1][0] = rr[1][0]; rv->r[1][1] = rr[1][1]; |
| 213 |
|
copycolr(rv->v, cv); |
| 151 |
– |
rv->d = hdcode(hp, d-d0); |
| 214 |
|
} |
| 215 |
|
} |
| 216 |
|
|
| 217 |
|
|
| 218 |
< |
addholo(hdf) /* add a holodeck file */ |
| 219 |
< |
char *hdf; |
| 218 |
> |
static BEAMI *beamdir; |
| 219 |
> |
|
| 220 |
> |
static int |
| 221 |
> |
bpcmp( /* compare beam positions on disk */ |
| 222 |
> |
const void *b1p, |
| 223 |
> |
const void *b2p |
| 224 |
> |
) |
| 225 |
|
{ |
| 226 |
< |
int fd; |
| 227 |
< |
register HOLO *hp; |
| 228 |
< |
register BEAM *bp; |
| 229 |
< |
register HDBEAMI *hbl; |
| 226 |
> |
register off_t pdif = beamdir[*(int*)b1p].fo - beamdir[*(int*)b2p].fo; |
| 227 |
> |
|
| 228 |
> |
if (pdif > 0L) return(1); |
| 229 |
> |
if (pdif < 0L) return(-1); |
| 230 |
> |
return(0); |
| 231 |
> |
} |
| 232 |
> |
|
| 233 |
> |
static int |
| 234 |
> |
addclump( /* transfer the given clump and free */ |
| 235 |
> |
HOLO *hp, |
| 236 |
> |
int *bq, |
| 237 |
> |
int nb |
| 238 |
> |
) |
| 239 |
> |
{ |
| 240 |
|
GCOORD gc[2]; |
| 241 |
|
FVECT ro, rd; |
| 242 |
|
double d; |
| 243 |
< |
int i, j; |
| 243 |
> |
int i; |
| 244 |
|
register int k; |
| 245 |
+ |
register BEAM *bp; |
| 246 |
+ |
/* sort based on file position */ |
| 247 |
+ |
beamdir = hp->bi; |
| 248 |
+ |
qsort((char *)bq, nb, sizeof(*bq), bpcmp); |
| 249 |
+ |
/* transfer each beam */ |
| 250 |
+ |
for (i = 0; i < nb; i++) { |
| 251 |
+ |
bp = hdgetbeam(hp, bq[i]); |
| 252 |
+ |
hdbcoord(gc, hp, bq[i]); |
| 253 |
+ |
/* add each ray to output */ |
| 254 |
+ |
for (k = bp->nrm; k--; ) { |
| 255 |
+ |
d = hdray(ro, rd, hp, gc, hdbray(bp)[k].r); |
| 256 |
+ |
if (hp->priv == &unobstr) |
| 257 |
+ |
VSUM(ro, ro, rd, d); |
| 258 |
+ |
else |
| 259 |
+ |
d = 0.; |
| 260 |
+ |
d = hddepth(hp, hdbray(bp)[k].d) - d; |
| 261 |
+ |
addray(ro, rd, d, hdbray(bp)[k].v); |
| 262 |
+ |
} |
| 263 |
+ |
hdfreebeam(hp, bq[i]); /* free the beam */ |
| 264 |
+ |
} |
| 265 |
+ |
return(0); |
| 266 |
+ |
} |
| 267 |
+ |
|
| 268 |
+ |
|
| 269 |
+ |
void |
| 270 |
+ |
addholo( /* add a holodeck file */ |
| 271 |
+ |
char *hdf |
| 272 |
+ |
) |
| 273 |
+ |
{ |
| 274 |
+ |
int fd; |
| 275 |
|
/* open the holodeck for reading */ |
| 276 |
|
openholo(hdf, 0); |
| 277 |
|
fd = hdlist[noutsects]->fd; /* remember the file handle */ |
| 278 |
< |
while ((hp = hdlist[noutsects]) != NULL) { /* load each section */ |
| 279 |
< |
hbl = (HDBEAMI *)malloc(nbeams(hp)*sizeof(HDBEAMI)); |
| 280 |
< |
if (hbl == NULL) |
| 281 |
< |
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 */ |
| 278 |
> |
while (hdlist[noutsects] != NULL) { /* load each section */ |
| 279 |
> |
/* clump the beams */ |
| 280 |
> |
clumpbeams(hdlist[noutsects], 0, BKBSIZE*1024, addclump); |
| 281 |
> |
hddone(hdlist[noutsects]); /* free the section */ |
| 282 |
|
} |
| 283 |
< |
close(fd); /* close the file */ |
| 283 |
> |
close(fd); /* close input file */ |
| 284 |
> |
hdflush(NULL); /* flush output */ |
| 285 |
|
} |
| 286 |
|
|
| 287 |
|
|
| 202 |
– |
struct phead { |
| 203 |
– |
VIEW vw; |
| 204 |
– |
double expos; |
| 205 |
– |
short gotview; |
| 206 |
– |
short badfmt; |
| 207 |
– |
short altprims; |
| 208 |
– |
}; |
| 288 |
|
|
| 289 |
< |
|
| 290 |
< |
picheadline(s, ph) /* process picture header line */ |
| 291 |
< |
char *s; |
| 292 |
< |
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); |
| 300 |
< |
return; |
| 300 |
> |
return(0); |
| 301 |
|
} |
| 302 |
|
if (isprims(s)) { |
| 303 |
|
ph->altprims++; /* don't want to deal with this */ |
| 304 |
< |
return; |
| 304 |
> |
return(0); |
| 305 |
|
} |
| 306 |
|
if (isexpos(s)) { |
| 307 |
|
ph->expos *= exposval(s); |
| 308 |
< |
return; |
| 308 |
> |
return(0); |
| 309 |
|
} |
| 310 |
|
if (isview(s)) { |
| 311 |
|
ph->gotview += sscanview(&ph->vw, s); |
| 312 |
< |
return; |
| 312 |
> |
return(0); |
| 313 |
|
} |
| 314 |
+ |
return(0); |
| 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, &phd) < 0 || |
| 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++) { |
| 413 |
|
addray(ro, rd, (double)zscn[i], cscn[i]); |
| 414 |
|
} |
| 415 |
|
} |
| 416 |
+ |
/* write output and free beams */ |
| 417 |
+ |
hdflush(NULL); |
| 418 |
|
/* clean up */ |
| 419 |
< |
free((char *)cscn); |
| 420 |
< |
free((char *)zscn); |
| 419 |
> |
free((void *)cscn); |
| 420 |
> |
free((void *)zscn); |
| 421 |
|
fclose(pfp); |
| 422 |
|
close(zfd); |
| 423 |
|
} |
| 424 |
|
|
| 425 |
|
|
| 426 |
< |
eputs(s) /* put error message to stderr */ |
| 427 |
< |
register char *s; |
| 426 |
> |
void |
| 427 |
> |
eputs( /* put error message to stderr */ |
| 428 |
> |
register char *s |
| 429 |
> |
) |
| 430 |
|
{ |
| 431 |
|
static int midline = 0; |
| 432 |
|
|
| 444 |
|
} |
| 445 |
|
|
| 446 |
|
|
| 447 |
< |
quit(code) /* exit the program gracefully */ |
| 448 |
< |
int code; |
| 447 |
> |
void |
| 448 |
> |
quit( /* exit the program gracefully */ |
| 449 |
> |
int code |
| 450 |
> |
) |
| 451 |
|
{ |
| 452 |
|
hdsync(NULL, 1); /* write out any buffered data */ |
| 453 |
|
exit(code); |