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 |
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int noutsects; /* number of output sections */ |
21 |
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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 int holheadline(char *s, int *hf); |
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 int picheadline(char *s, struct phead *ph); |
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 |
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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 |
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quit(0); |
85 |
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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.pic inp1.zbf ..\n", |
89 |
+ |
progname); |
90 |
|
exit(1); |
91 |
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} |
92 |
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|
95 |
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#define H_OBST 02 |
96 |
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#define H_OBSF 04 |
97 |
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|
98 |
< |
holheadline(s, hf) /* check holodeck header line */ |
99 |
< |
register char *s; |
100 |
< |
int *hf; |
98 |
> |
int |
99 |
> |
holheadline( /* check holodeck header line */ |
100 |
> |
register char *s, |
101 |
> |
int *hf |
102 |
> |
) |
103 |
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{ |
104 |
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char fmt[32]; |
105 |
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|
108 |
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*hf |= H_BADF; |
109 |
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else |
110 |
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*hf &= ~H_BADF; |
111 |
< |
return; |
111 |
> |
return(0); |
112 |
|
} |
113 |
|
if (!strncmp(s, "OBSTRUCTIONS=", 13)) { |
114 |
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s += 13; |
115 |
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while (*s == ' ') s++; |
116 |
< |
if (*s == 't' | *s == 'T') |
116 |
> |
if ((*s == 't') | (*s == 'T')) |
117 |
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*hf |= H_OBST; |
118 |
< |
else if (*s == 'f' | *s == 'F') |
118 |
> |
else if ((*s == 'f') | (*s == 'F')) |
119 |
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*hf |= H_OBSF; |
120 |
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else |
121 |
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error(WARNING, "bad OBSTRUCTIONS value in holodeck"); |
122 |
< |
return; |
122 |
> |
return(0); |
123 |
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} |
124 |
+ |
return(0); |
125 |
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} |
126 |
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|
127 |
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int |
128 |
< |
openholo(fname, append) /* open existing holodeck file for i/o */ |
129 |
< |
char *fname; |
130 |
< |
int append; |
128 |
> |
openholo( /* open existing holodeck file for i/o */ |
129 |
> |
char *fname, |
130 |
> |
int append |
131 |
> |
) |
132 |
|
{ |
90 |
– |
extern long ftell(); |
133 |
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FILE *fp; |
134 |
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int fd; |
135 |
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int hflags = 0; |
142 |
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error(SYSTEM, errmsg); |
143 |
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} |
144 |
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/* check header and magic number */ |
145 |
< |
if (getheader(fp, holheadline, &hflags) < 0 || |
145 |
> |
if (getheader(fp, holheadline, (char *)&hflags) < 0 || |
146 |
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hflags&H_BADF || getw(fp) != HOLOMAGIC) { |
147 |
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sprintf(errmsg, "file \"%s\" not in holodeck format", fname); |
148 |
|
error(USER, errmsg); |
151 |
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nextloc = ftell(fp); /* get stdio position */ |
152 |
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fclose(fp); /* done with stdio */ |
153 |
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for (n = 0; nextloc > 0L; n++) { /* initialize each section */ |
154 |
< |
lseek(fd, nextloc, 0); |
154 |
> |
lseek(fd, (off_t)nextloc, SEEK_SET); |
155 |
|
read(fd, (char *)&nextloc, sizeof(nextloc)); |
156 |
|
hdinit(fd, NULL)->priv = hflags&H_OBST ? &obstr : |
157 |
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hflags&H_OBSF ? &unobstr : (char *)NULL; |
164 |
|
#undef H_OBSF |
165 |
|
|
166 |
|
|
167 |
< |
addray(ro, rd, d, cv) /* add a ray to our output holodeck */ |
168 |
< |
FVECT ro, rd; |
169 |
< |
double d; |
170 |
< |
COLR cv; |
167 |
> |
void |
168 |
> |
addray( /* add a ray to our output holodeck */ |
169 |
> |
FVECT ro, |
170 |
> |
FVECT rd, |
171 |
> |
double d, |
172 |
> |
COLR cv |
173 |
> |
) |
174 |
|
{ |
175 |
< |
int sn; |
175 |
> |
int sn, bi, n; |
176 |
|
register HOLO *hp; |
177 |
|
GCOORD gc[2]; |
178 |
|
BYTE rr[2][2]; |
179 |
+ |
BEAM *bp; |
180 |
|
double d0, d1; |
181 |
+ |
unsigned dc; |
182 |
|
register RAYVAL *rv; |
183 |
|
/* check each output section */ |
184 |
|
for (sn = noutsects; sn--; ) { |
186 |
|
d0 = hdinter(gc, rr, &d1, hp, ro, rd); |
187 |
|
if (d <= d0 || d1 < -0.001) |
188 |
|
continue; /* missed section */ |
189 |
< |
if (hp->priv == &obstr && d0 < -0.001) |
190 |
< |
continue; /* ray starts too late */ |
191 |
< |
if (hp->priv == &unobstr && d < 0.999*d1) |
192 |
< |
continue; /* ray ends too soon */ |
193 |
< |
/* should we check for duplicates? */ |
194 |
< |
rv = hdnewrays(hp, hdbindex(hp, gc), 1); |
189 |
> |
if (checkdepth) { /* check depth */ |
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 |
> |
} |
195 |
> |
dc = hdcode(hp, d-d0); |
196 |
> |
bi = hdbindex(hp, gc); /* check for duplicates */ |
197 |
> |
if (checkrepeats && (bp = hdgetbeam(hp, bi)) != NULL) { |
198 |
> |
for (n = bp->nrm, rv = hdbray(bp); n--; rv++) |
199 |
> |
if ((hp->priv != NULL || rv->d == dc) && |
200 |
> |
rv->r[0][0] == rr[0][0] && |
201 |
> |
rv->r[0][1] == rr[0][1] && |
202 |
> |
rv->r[1][0] == rr[1][0] && |
203 |
> |
rv->r[1][1] == rr[1][1]) |
204 |
> |
break; |
205 |
> |
if (n >= 0) |
206 |
> |
continue; /* found a matching ray */ |
207 |
> |
} |
208 |
> |
rv = hdnewrays(hp, bi, 1); |
209 |
> |
rv->d = dc; |
210 |
|
rv->r[0][0] = rr[0][0]; rv->r[0][1] = rr[0][1]; |
211 |
|
rv->r[1][0] = rr[1][0]; rv->r[1][1] = rr[1][1]; |
212 |
|
copycolr(rv->v, cv); |
151 |
– |
rv->d = hdcode(hp, d-d0); |
213 |
|
} |
214 |
|
} |
215 |
|
|
216 |
|
|
217 |
< |
addholo(hdf) /* add a holodeck file */ |
218 |
< |
char *hdf; |
217 |
> |
static BEAMI *beamdir; |
218 |
> |
|
219 |
> |
static int |
220 |
> |
bpcmp( /* compare beam positions on disk */ |
221 |
> |
const void *b1p, |
222 |
> |
const void *b2p |
223 |
> |
) |
224 |
|
{ |
225 |
< |
int fd; |
226 |
< |
register HOLO *hp; |
227 |
< |
register BEAM *bp; |
228 |
< |
register HDBEAMI *hbl; |
225 |
> |
register off_t pdif = beamdir[*(int*)b1p].fo - beamdir[*(int*)b2p].fo; |
226 |
> |
|
227 |
> |
if (pdif > 0L) return(1); |
228 |
> |
if (pdif < 0L) return(-1); |
229 |
> |
return(0); |
230 |
> |
} |
231 |
> |
|
232 |
> |
static int |
233 |
> |
addclump( /* transfer the given clump and free */ |
234 |
> |
HOLO *hp, |
235 |
> |
int *bq, |
236 |
> |
int nb |
237 |
> |
) |
238 |
> |
{ |
239 |
|
GCOORD gc[2]; |
240 |
|
FVECT ro, rd; |
241 |
|
double d; |
242 |
< |
int i, j; |
242 |
> |
int i; |
243 |
|
register int k; |
244 |
+ |
register BEAM *bp; |
245 |
+ |
/* sort based on file position */ |
246 |
+ |
beamdir = hp->bi; |
247 |
+ |
qsort((char *)bq, nb, sizeof(*bq), bpcmp); |
248 |
+ |
/* transfer each beam */ |
249 |
+ |
for (i = 0; i < nb; i++) { |
250 |
+ |
bp = hdgetbeam(hp, bq[i]); |
251 |
+ |
hdbcoord(gc, hp, bq[i]); |
252 |
+ |
/* add each ray to output */ |
253 |
+ |
for (k = bp->nrm; k--; ) { |
254 |
+ |
d = hdray(ro, rd, hp, gc, hdbray(bp)[k].r); |
255 |
+ |
if (hp->priv == &unobstr) |
256 |
+ |
VSUM(ro, ro, rd, d); |
257 |
+ |
else |
258 |
+ |
d = 0.; |
259 |
+ |
d = hddepth(hp, hdbray(bp)[k].d) - d; |
260 |
+ |
addray(ro, rd, d, hdbray(bp)[k].v); |
261 |
+ |
} |
262 |
+ |
hdfreebeam(hp, bq[i]); /* free the beam */ |
263 |
+ |
} |
264 |
+ |
return(0); |
265 |
+ |
} |
266 |
+ |
|
267 |
+ |
|
268 |
+ |
void |
269 |
+ |
addholo( /* add a holodeck file */ |
270 |
+ |
char *hdf |
271 |
+ |
) |
272 |
+ |
{ |
273 |
+ |
int fd; |
274 |
|
/* open the holodeck for reading */ |
275 |
|
openholo(hdf, 0); |
276 |
|
fd = hdlist[noutsects]->fd; /* remember the file handle */ |
277 |
< |
while ((hp = hdlist[noutsects]) != NULL) { /* load each section */ |
278 |
< |
hbl = (HDBEAMI *)malloc(nbeams(hp)*sizeof(HDBEAMI)); |
279 |
< |
if (hbl == NULL) |
280 |
< |
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 */ |
277 |
> |
while (hdlist[noutsects] != NULL) { /* load each section */ |
278 |
> |
/* clump the beams */ |
279 |
> |
clumpbeams(hdlist[noutsects], 0, BKBSIZE*1024, addclump); |
280 |
> |
hddone(hdlist[noutsects]); /* free the section */ |
281 |
|
} |
282 |
< |
close(fd); /* close the file */ |
282 |
> |
close(fd); /* close input file */ |
283 |
> |
hdflush(NULL); /* flush output */ |
284 |
|
} |
285 |
|
|
286 |
|
|
202 |
– |
struct phead { |
203 |
– |
VIEW vw; |
204 |
– |
double expos; |
205 |
– |
short gotview; |
206 |
– |
short badfmt; |
207 |
– |
short altprims; |
208 |
– |
}; |
287 |
|
|
288 |
< |
|
289 |
< |
picheadline(s, ph) /* process picture header line */ |
290 |
< |
char *s; |
291 |
< |
struct phead *ph; |
288 |
> |
int |
289 |
> |
picheadline( /* process picture header line */ |
290 |
> |
char *s, |
291 |
> |
struct phead *ph |
292 |
> |
) |
293 |
|
{ |
294 |
|
char fmt[32]; |
295 |
|
|
296 |
|
if (formatval(fmt, s)) { |
297 |
|
ph->badfmt = strcmp(fmt, COLRFMT); |
298 |
< |
return; |
298 |
> |
return(0); |
299 |
|
} |
300 |
|
if (isprims(s)) { |
301 |
|
ph->altprims++; /* don't want to deal with this */ |
302 |
< |
return; |
302 |
> |
return(0); |
303 |
|
} |
304 |
|
if (isexpos(s)) { |
305 |
|
ph->expos *= exposval(s); |
306 |
< |
return; |
306 |
> |
return(0); |
307 |
|
} |
308 |
|
if (isview(s)) { |
309 |
|
ph->gotview += sscanview(&ph->vw, s); |
310 |
< |
return; |
310 |
> |
return(0); |
311 |
|
} |
312 |
+ |
return(0); |
313 |
|
} |
314 |
|
|
315 |
|
|
316 |
< |
addpicz(pcf, zbf) /* add a picture + depth-buffer */ |
317 |
< |
char *pcf, *zbf; |
316 |
> |
void |
317 |
> |
addpicz( /* add a picture + depth-buffer */ |
318 |
> |
char *pcf, |
319 |
> |
char *zbf |
320 |
> |
) |
321 |
|
{ |
322 |
|
FILE *pfp; |
323 |
|
int zfd; |
327 |
|
int eshft; |
328 |
|
double emult; |
329 |
|
RESOLU prs; |
330 |
< |
FLOAT vl[2]; |
330 |
> |
RREAL vl[2]; |
331 |
|
FVECT ro, rd; |
332 |
|
double aftd; |
333 |
|
COLOR ctmp; |
343 |
|
error(SYSTEM, pcf); |
344 |
|
} |
345 |
|
/* load picture header */ |
346 |
< |
copystruct(&phd.vw, &stdview); |
346 |
> |
phd.vw = stdview; |
347 |
|
phd.expos = 1.0; |
348 |
|
phd.badfmt = phd.gotview = phd.altprims = 0; |
349 |
< |
if (getheader(pfp, picheadline, &phd) < 0 || |
349 |
> |
if (getheader(pfp, picheadline, (char *)&phd) < 0 || |
350 |
|
phd.badfmt || !fgetsresolu(&prs, pfp)) { |
351 |
|
sprintf(errmsg, "bad format for picture file \"%s\"", pcf); |
352 |
|
error(USER, errmsg); |
362 |
|
error(WARNING, errmsg); |
363 |
|
} |
364 |
|
/* figure out what to do about exposure */ |
365 |
< |
if (phd.expos < 0.99 | phd.expos > 1.01) { |
365 |
> |
if ((phd.expos < 0.99) | (phd.expos > 1.01)) { |
366 |
|
emult = -log(phd.expos)/log(2.); |
367 |
|
eshft = emult >= 0. ? emult+.5 : emult-.5; |
368 |
|
emult -= (double)eshft; |
369 |
< |
if (emult <= 0.01 & emult >= -0.01) |
369 |
> |
if ((emult <= 0.01) & (emult >= -0.01)) |
370 |
|
emult = -1.; |
371 |
|
else { |
372 |
|
emult = 1./phd.expos; |
379 |
|
/* allocate buffers */ |
380 |
|
cscn = (COLR *)malloc(scanlen(&prs)*sizeof(COLR)); |
381 |
|
zscn = (float *)malloc(scanlen(&prs)*sizeof(float)); |
382 |
< |
if (cscn == NULL | zscn == NULL) |
382 |
> |
if ((cscn == NULL) | (zscn == NULL)) |
383 |
|
error(SYSTEM, "out of memory in addpicz"); |
384 |
|
/* read and process each scanline */ |
385 |
|
for (j = 0; j < numscans(&prs); j++) { |
411 |
|
addray(ro, rd, (double)zscn[i], cscn[i]); |
412 |
|
} |
413 |
|
} |
414 |
+ |
/* write output and free beams */ |
415 |
+ |
hdflush(NULL); |
416 |
|
/* clean up */ |
417 |
< |
free((char *)cscn); |
418 |
< |
free((char *)zscn); |
417 |
> |
free((void *)cscn); |
418 |
> |
free((void *)zscn); |
419 |
|
fclose(pfp); |
420 |
|
close(zfd); |
421 |
|
} |
422 |
|
|
423 |
|
|
424 |
< |
eputs(s) /* put error message to stderr */ |
425 |
< |
register char *s; |
424 |
> |
void |
425 |
> |
eputs( /* put error message to stderr */ |
426 |
> |
register char *s |
427 |
> |
) |
428 |
|
{ |
429 |
|
static int midline = 0; |
430 |
|
|
442 |
|
} |
443 |
|
|
444 |
|
|
445 |
< |
quit(code) /* exit the program gracefully */ |
446 |
< |
int code; |
445 |
> |
void |
446 |
> |
quit( /* exit the program gracefully */ |
447 |
> |
int code |
448 |
> |
) |
449 |
|
{ |
450 |
|
hdsync(NULL, 1); /* write out any buffered data */ |
451 |
|
exit(code); |