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 "holo.h" |
9 |
|
#include "view.h" |
13 |
– |
#include "resolu.h" |
10 |
|
|
11 |
+ |
#ifndef BKBSIZE |
12 |
+ |
#define BKBSIZE 256 /* beam clump size (kilobytes) */ |
13 |
+ |
#endif |
14 |
+ |
|
15 |
+ |
int checkdepth = 1; /* check depth (!-d option)? */ |
16 |
+ |
int checkrepeats = 0; /* check for repeats (-u option)? */ |
17 |
|
int frompicz; /* input from pictures & depth-buffers? */ |
18 |
|
int noutsects; /* number of output sections */ |
19 |
|
char obstr, unobstr; /* flag pointer values */ |
28 |
|
int i; |
29 |
|
|
30 |
|
progname = argv[0]; |
31 |
< |
if (argc < 4) |
31 |
> |
frompicz = -1; |
32 |
> |
for (i = 2; i < argc && argv[i][0] == '-'; i++) |
33 |
> |
switch (argv[i][1]) { |
34 |
> |
case 'u': |
35 |
> |
checkrepeats = 1; |
36 |
> |
break; |
37 |
> |
case 'd': |
38 |
> |
checkdepth = 0; |
39 |
> |
break; |
40 |
> |
case 'h': |
41 |
> |
frompicz = 0; |
42 |
> |
break; |
43 |
> |
case 'p': |
44 |
> |
frompicz = 1; |
45 |
> |
break; |
46 |
> |
default: |
47 |
> |
goto userr; |
48 |
> |
} |
49 |
> |
if (i >= argc || frompicz < 0) |
50 |
|
goto userr; |
51 |
< |
if (!strcmp(argv[2], "-h")) |
32 |
< |
frompicz = 0; |
33 |
< |
else if (!strcmp(argv[2], "-pz")) |
34 |
< |
frompicz = 1; |
35 |
< |
else |
51 |
> |
if (frompicz && (argc-i)%2) |
52 |
|
goto userr; |
37 |
– |
if (frompicz && (argc-3)%2) |
38 |
– |
goto userr; |
53 |
|
noutsects = openholo(argv[1], 1); |
54 |
< |
if (frompicz) |
55 |
< |
for (i = 3; i < argc; i += 2) |
54 |
> |
if (frompicz) { |
55 |
> |
for ( ; i < argc; i += 2) |
56 |
|
addpicz(argv[i], argv[i+1]); |
57 |
< |
else |
58 |
< |
for (i = 3; i < argc; i++) |
57 |
> |
} else { |
58 |
> |
if (BKBSIZE*1024*1.5 > hdcachesize) |
59 |
> |
hdcachesize = BKBSIZE*1024*1.5; |
60 |
> |
for ( ; i < argc; i++) |
61 |
|
addholo(argv[i]); |
62 |
+ |
} |
63 |
|
quit(0); |
64 |
|
userr: |
65 |
< |
fprintf(stderr, "Usage: %s output.hdk -h inp1.hdk ..\n", progname); |
49 |
< |
fprintf(stderr, " Or: %s output.hdk -pz inp1.pic inp1.zbf ..\n", |
65 |
> |
fprintf(stderr, "Usage: %s output.hdk [-u][-d] -h inp1.hdk ..\n", |
66 |
|
progname); |
67 |
+ |
fprintf(stderr, " Or: %s output.hdk [-u][-d] -p inp1.pic inp1.zbf ..\n", |
68 |
+ |
progname); |
69 |
|
exit(1); |
70 |
|
} |
71 |
|
|
74 |
|
#define H_OBST 02 |
75 |
|
#define H_OBSF 04 |
76 |
|
|
77 |
+ |
int |
78 |
|
holheadline(s, hf) /* check holodeck header line */ |
79 |
|
register char *s; |
80 |
|
int *hf; |
86 |
|
*hf |= H_BADF; |
87 |
|
else |
88 |
|
*hf &= ~H_BADF; |
89 |
< |
return; |
89 |
> |
return(0); |
90 |
|
} |
91 |
|
if (!strncmp(s, "OBSTRUCTIONS=", 13)) { |
92 |
|
s += 13; |
97 |
|
*hf |= H_OBSF; |
98 |
|
else |
99 |
|
error(WARNING, "bad OBSTRUCTIONS value in holodeck"); |
100 |
< |
return; |
100 |
> |
return(0); |
101 |
|
} |
102 |
+ |
return(0); |
103 |
|
} |
104 |
|
|
105 |
|
int |
107 |
|
char *fname; |
108 |
|
int append; |
109 |
|
{ |
90 |
– |
extern long ftell(); |
110 |
|
FILE *fp; |
111 |
|
int fd; |
112 |
|
int hflags = 0; |
119 |
|
error(SYSTEM, errmsg); |
120 |
|
} |
121 |
|
/* check header and magic number */ |
122 |
< |
if (getheader(fp, holheadline, &hflags) < 0 || |
122 |
> |
if (getheader(fp, holheadline, (char *)&hflags) < 0 || |
123 |
|
hflags&H_BADF || getw(fp) != HOLOMAGIC) { |
124 |
|
sprintf(errmsg, "file \"%s\" not in holodeck format", fname); |
125 |
|
error(USER, errmsg); |
128 |
|
nextloc = ftell(fp); /* get stdio position */ |
129 |
|
fclose(fp); /* done with stdio */ |
130 |
|
for (n = 0; nextloc > 0L; n++) { /* initialize each section */ |
131 |
< |
lseek(fd, nextloc, 0); |
131 |
> |
lseek(fd, (off_t)nextloc, 0); |
132 |
|
read(fd, (char *)&nextloc, sizeof(nextloc)); |
133 |
|
hdinit(fd, NULL)->priv = hflags&H_OBST ? &obstr : |
134 |
|
hflags&H_OBSF ? &unobstr : (char *)NULL; |
146 |
|
double d; |
147 |
|
COLR cv; |
148 |
|
{ |
149 |
< |
int sn; |
149 |
> |
int sn, bi, n; |
150 |
|
register HOLO *hp; |
151 |
|
GCOORD gc[2]; |
152 |
|
BYTE rr[2][2]; |
153 |
+ |
BEAM *bp; |
154 |
|
double d0, d1; |
155 |
+ |
unsigned dc; |
156 |
|
register RAYVAL *rv; |
157 |
|
/* check each output section */ |
158 |
|
for (sn = noutsects; sn--; ) { |
160 |
|
d0 = hdinter(gc, rr, &d1, hp, ro, rd); |
161 |
|
if (d <= d0 || d1 < -0.001) |
162 |
|
continue; /* missed section */ |
163 |
< |
if (hp->priv == &obstr && d0 < -0.001) |
164 |
< |
continue; /* ray starts too late */ |
165 |
< |
if (hp->priv == &unobstr && d < 0.999*d1) |
166 |
< |
continue; /* ray ends too soon */ |
167 |
< |
/* should we check for duplicates? */ |
168 |
< |
rv = hdnewrays(hp, hdbindex(hp, gc), 1); |
163 |
> |
if (checkdepth) { /* check depth */ |
164 |
> |
if (hp->priv == &obstr && d0 < -0.001) |
165 |
> |
continue; /* ray starts too late */ |
166 |
> |
if (hp->priv == &unobstr && d < 0.999*d1) |
167 |
> |
continue; /* ray ends too soon */ |
168 |
> |
} |
169 |
> |
dc = hdcode(hp, d-d0); |
170 |
> |
bi = hdbindex(hp, gc); /* check for duplicates */ |
171 |
> |
if (checkrepeats && (bp = hdgetbeam(hp, bi)) != NULL) { |
172 |
> |
for (n = bp->nrm, rv = hdbray(bp); n--; rv++) |
173 |
> |
if ((hp->priv != NULL || rv->d == dc) && |
174 |
> |
rv->r[0][0] == rr[0][0] && |
175 |
> |
rv->r[0][1] == rr[0][1] && |
176 |
> |
rv->r[1][0] == rr[1][0] && |
177 |
> |
rv->r[1][1] == rr[1][1]) |
178 |
> |
break; |
179 |
> |
if (n >= 0) |
180 |
> |
continue; /* found a matching ray */ |
181 |
> |
} |
182 |
> |
rv = hdnewrays(hp, bi, 1); |
183 |
> |
rv->d = dc; |
184 |
|
rv->r[0][0] = rr[0][0]; rv->r[0][1] = rr[0][1]; |
185 |
|
rv->r[1][0] = rr[1][0]; rv->r[1][1] = rr[1][1]; |
186 |
|
copycolr(rv->v, cv); |
151 |
– |
rv->d = hdcode(hp, d-d0); |
187 |
|
} |
188 |
|
} |
189 |
|
|
190 |
|
|
191 |
< |
addholo(hdf) /* add a holodeck file */ |
192 |
< |
char *hdf; |
191 |
> |
static BEAMI *beamdir; |
192 |
> |
|
193 |
> |
static int |
194 |
> |
bpcmp(b1p, b2p) /* compare beam positions on disk */ |
195 |
> |
int *b1p, *b2p; |
196 |
|
{ |
197 |
< |
int fd; |
198 |
< |
register HOLO *hp; |
199 |
< |
register BEAM *bp; |
197 |
> |
register off_t pdif = beamdir[*b1p].fo - beamdir[*b2p].fo; |
198 |
> |
|
199 |
> |
if (pdif > 0L) return(1); |
200 |
> |
if (pdif < 0L) return(-1); |
201 |
> |
return(0); |
202 |
> |
} |
203 |
> |
|
204 |
> |
static int |
205 |
> |
addclump(hp, bq, nb) /* transfer the given clump and free */ |
206 |
> |
HOLO *hp; |
207 |
> |
int *bq, nb; |
208 |
> |
{ |
209 |
|
GCOORD gc[2]; |
210 |
|
FVECT ro, rd; |
211 |
|
double d; |
212 |
< |
int i, j; |
212 |
> |
int i; |
213 |
|
register int k; |
214 |
+ |
register BEAM *bp; |
215 |
+ |
/* sort based on file position */ |
216 |
+ |
beamdir = hp->bi; |
217 |
+ |
qsort((char *)bq, nb, sizeof(*bq), bpcmp); |
218 |
+ |
/* transfer each beam */ |
219 |
+ |
for (i = 0; i < nb; i++) { |
220 |
+ |
bp = hdgetbeam(hp, bq[i]); |
221 |
+ |
hdbcoord(gc, hp, bq[i]); |
222 |
+ |
/* add each ray to output */ |
223 |
+ |
for (k = bp->nrm; k--; ) { |
224 |
+ |
d = hdray(ro, rd, hp, gc, hdbray(bp)[k].r); |
225 |
+ |
if (hp->priv == &unobstr) |
226 |
+ |
VSUM(ro, ro, rd, d); |
227 |
+ |
else |
228 |
+ |
d = 0.; |
229 |
+ |
d = hddepth(hp, hdbray(bp)[k].d) - d; |
230 |
+ |
addray(ro, rd, d, hdbray(bp)[k].v); |
231 |
+ |
} |
232 |
+ |
hdfreebeam(hp, bq[i]); /* free the beam */ |
233 |
+ |
} |
234 |
+ |
return(0); |
235 |
+ |
} |
236 |
|
|
237 |
< |
openholo(hdf, 0); /* open the holodeck for reading */ |
237 |
> |
addholo(hdf) /* add a holodeck file */ |
238 |
> |
char *hdf; |
239 |
> |
{ |
240 |
> |
int fd; |
241 |
> |
/* open the holodeck for reading */ |
242 |
> |
openholo(hdf, 0); |
243 |
|
fd = hdlist[noutsects]->fd; /* remember the file handle */ |
244 |
< |
while ((hp = hdlist[noutsects]) != NULL) { /* load each section */ |
245 |
< |
for (j = nbeams(hp); j > 0; j--) /* load each beam */ |
246 |
< |
if ((bp = hdgetbeam(hp, j)) != NULL) { |
247 |
< |
hdbcoord(gc, hp, j); |
174 |
< |
for (k = bp->nrm; k--; ) { |
175 |
< |
d = hdray(ro, rd, |
176 |
< |
hp, gc, hdbray(bp)[k].r); |
177 |
< |
if (hp->priv == &unobstr) |
178 |
< |
VSUM(ro, ro, rd, d); |
179 |
< |
else |
180 |
< |
d = 0.; |
181 |
< |
d = hddepth(hp, hdbray(bp)[k].d) - d; |
182 |
< |
addray(ro, rd, d, hdbray(bp)[k].v); |
183 |
< |
} |
184 |
< |
hdfreebeam(hp, j); /* free the beam */ |
185 |
< |
} |
186 |
< |
hddone(hp); /* free the section */ |
244 |
> |
while (hdlist[noutsects] != NULL) { /* load each section */ |
245 |
> |
/* clump the beams */ |
246 |
> |
clumpbeams(hdlist[noutsects], 0, BKBSIZE*1024, addclump); |
247 |
> |
hddone(hdlist[noutsects]); /* free the section */ |
248 |
|
} |
249 |
< |
close(fd); /* close the file */ |
249 |
> |
close(fd); /* close input file */ |
250 |
> |
hdflush(NULL); /* flush output */ |
251 |
|
} |
252 |
|
|
253 |
|
|
260 |
|
}; |
261 |
|
|
262 |
|
|
263 |
+ |
int |
264 |
|
picheadline(s, ph) /* process picture header line */ |
265 |
|
char *s; |
266 |
|
struct phead *ph; |
269 |
|
|
270 |
|
if (formatval(fmt, s)) { |
271 |
|
ph->badfmt = strcmp(fmt, COLRFMT); |
272 |
< |
return; |
272 |
> |
return(0); |
273 |
|
} |
274 |
|
if (isprims(s)) { |
275 |
|
ph->altprims++; /* don't want to deal with this */ |
276 |
< |
return; |
276 |
> |
return(0); |
277 |
|
} |
278 |
|
if (isexpos(s)) { |
279 |
|
ph->expos *= exposval(s); |
280 |
< |
return; |
280 |
> |
return(0); |
281 |
|
} |
282 |
|
if (isview(s)) { |
283 |
|
ph->gotview += sscanview(&ph->vw, s); |
284 |
< |
return; |
284 |
> |
return(0); |
285 |
|
} |
286 |
+ |
return(0); |
287 |
|
} |
288 |
|
|
289 |
|
|
298 |
|
int eshft; |
299 |
|
double emult; |
300 |
|
RESOLU prs; |
301 |
< |
FLOAT vl[2]; |
301 |
> |
RREAL vl[2]; |
302 |
|
FVECT ro, rd; |
303 |
|
double aftd; |
304 |
|
COLOR ctmp; |
314 |
|
error(SYSTEM, pcf); |
315 |
|
} |
316 |
|
/* load picture header */ |
317 |
< |
copystruct(&phd.vw, &stdview); |
317 |
> |
phd.vw = stdview; |
318 |
|
phd.expos = 1.0; |
319 |
|
phd.badfmt = phd.gotview = phd.altprims = 0; |
320 |
< |
if (getheader(pfp, picheadline, &phd) < 0 || |
320 |
> |
if (getheader(pfp, picheadline, (char *)&phd) < 0 || |
321 |
|
phd.badfmt || !fgetsresolu(&prs, pfp)) { |
322 |
|
sprintf(errmsg, "bad format for picture file \"%s\"", pcf); |
323 |
|
error(USER, errmsg); |
382 |
|
addray(ro, rd, (double)zscn[i], cscn[i]); |
383 |
|
} |
384 |
|
} |
385 |
+ |
/* write output and free beams */ |
386 |
+ |
hdflush(NULL); |
387 |
|
/* clean up */ |
388 |
< |
free((char *)cscn); |
389 |
< |
free((char *)zscn); |
388 |
> |
free((void *)cscn); |
389 |
> |
free((void *)zscn); |
390 |
|
fclose(pfp); |
391 |
|
close(zfd); |
392 |
|
} |
393 |
|
|
394 |
|
|
395 |
+ |
void |
396 |
|
eputs(s) /* put error message to stderr */ |
397 |
|
register char *s; |
398 |
|
{ |
412 |
|
} |
413 |
|
|
414 |
|
|
415 |
+ |
void |
416 |
|
quit(code) /* exit the program gracefully */ |
417 |
|
int code; |
418 |
|
{ |