6 |
|
*/ |
7 |
|
|
8 |
|
#include "platform.h" |
9 |
+ |
#include "rterror.h" |
10 |
|
#include "holo.h" |
11 |
|
#include "view.h" |
12 |
|
|
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 |
|
|
85 |
|
userr: |
86 |
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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", |
88 |
> |
fprintf(stderr, " Or: %s output.hdk [-u][-d] -p inp1.hdr inp1.zbf ..\n", |
89 |
|
progname); |
90 |
|
exit(1); |
91 |
|
} |
94 |
|
#define H_BADF 01 |
95 |
|
#define H_OBST 02 |
96 |
|
#define H_OBSF 04 |
97 |
+ |
#define H_SWAP 010 |
98 |
|
|
99 |
< |
int |
100 |
< |
holheadline(s, hf) /* check holodeck header line */ |
101 |
< |
register char *s; |
102 |
< |
int *hf; |
99 |
> |
static int |
100 |
> |
holheadline( /* check holodeck header line */ |
101 |
> |
char *s, |
102 |
> |
void *vhf |
103 |
> |
) |
104 |
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{ |
105 |
< |
char fmt[32]; |
105 |
> |
int be; |
106 |
> |
char fmt[MAXFMTLEN]; |
107 |
> |
int *hf = vhf; |
108 |
|
|
109 |
|
if (formatval(fmt, s)) { |
110 |
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if (strcmp(fmt, HOLOFMT)) |
124 |
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error(WARNING, "bad OBSTRUCTIONS value in holodeck"); |
125 |
|
return(0); |
126 |
|
} |
127 |
+ |
if ((be = isbigendian(s)) >= 0) { |
128 |
+ |
if (be != nativebigendian()) |
129 |
+ |
*hf |= H_SWAP; |
130 |
+ |
} |
131 |
|
return(0); |
132 |
|
} |
133 |
|
|
134 |
|
int |
135 |
< |
openholo(fname, append) /* open existing holodeck file for i/o */ |
136 |
< |
char *fname; |
137 |
< |
int append; |
135 |
> |
openholo( /* open existing holodeck file for i/o */ |
136 |
> |
char *fname, |
137 |
> |
int append |
138 |
> |
) |
139 |
|
{ |
140 |
|
FILE *fp; |
141 |
|
int fd; |
142 |
|
int hflags = 0; |
143 |
< |
long nextloc; |
143 |
> |
off_t nextloc; |
144 |
|
int n; |
145 |
|
/* open holodeck file */ |
146 |
< |
if ((fp = fopen(fname, append ? "r+" : "r")) == NULL) { |
146 |
> |
if ((fp = fopen(fname, append ? "rb+" : "rb")) == NULL) { |
147 |
|
sprintf(errmsg, "cannot open \"%s\" for %s", fname, |
148 |
|
append ? "appending" : "reading"); |
149 |
|
error(SYSTEM, errmsg); |
150 |
|
} |
151 |
|
/* check header and magic number */ |
152 |
< |
if (getheader(fp, holheadline, (char *)&hflags) < 0 || |
153 |
< |
hflags&H_BADF || getw(fp) != HOLOMAGIC) { |
154 |
< |
sprintf(errmsg, "file \"%s\" not in holodeck format", fname); |
152 |
> |
if (getheader(fp, holheadline, &hflags) < 0 || |
153 |
> |
hflags&(H_BADF|H_SWAP) || getw(fp) != HOLOMAGIC) { |
154 |
> |
sprintf(errmsg, "holodeck \"%s\" not in expected format", fname); |
155 |
|
error(USER, errmsg); |
156 |
|
} |
157 |
|
fd = dup(fileno(fp)); /* dup file handle */ |
158 |
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nextloc = ftell(fp); /* get stdio position */ |
159 |
|
fclose(fp); /* done with stdio */ |
160 |
|
for (n = 0; nextloc > 0L; n++) { /* initialize each section */ |
161 |
< |
lseek(fd, (off_t)nextloc, SEEK_SET); |
161 |
> |
lseek(fd, nextloc, SEEK_SET); |
162 |
|
read(fd, (char *)&nextloc, sizeof(nextloc)); |
163 |
|
hdinit(fd, NULL)->priv = hflags&H_OBST ? &obstr : |
164 |
|
hflags&H_OBSF ? &unobstr : (char *)NULL; |
171 |
|
#undef H_OBSF |
172 |
|
|
173 |
|
|
174 |
< |
addray(ro, rd, d, cv) /* add a ray to our output holodeck */ |
175 |
< |
FVECT ro, rd; |
176 |
< |
double d; |
177 |
< |
COLR cv; |
174 |
> |
void |
175 |
> |
addray( /* add a ray to our output holodeck */ |
176 |
> |
FVECT ro, |
177 |
> |
FVECT rd, |
178 |
> |
double d, |
179 |
> |
COLR cv |
180 |
> |
) |
181 |
|
{ |
182 |
|
int sn, bi, n; |
183 |
< |
register HOLO *hp; |
183 |
> |
HOLO *hp; |
184 |
|
GCOORD gc[2]; |
185 |
< |
BYTE rr[2][2]; |
185 |
> |
uby8 rr[2][2]; |
186 |
|
BEAM *bp; |
187 |
|
double d0, d1; |
188 |
|
unsigned dc; |
189 |
< |
register RAYVAL *rv; |
189 |
> |
RAYVAL *rv; |
190 |
|
/* check each output section */ |
191 |
|
for (sn = noutsects; sn--; ) { |
192 |
|
hp = hdlist[sn]; |
224 |
|
static BEAMI *beamdir; |
225 |
|
|
226 |
|
static int |
227 |
< |
bpcmp(b1p, b2p) /* compare beam positions on disk */ |
228 |
< |
int *b1p, *b2p; |
227 |
> |
bpcmp( /* compare beam positions on disk */ |
228 |
> |
const void *b1p, |
229 |
> |
const void *b2p |
230 |
> |
) |
231 |
|
{ |
232 |
< |
register off_t pdif = beamdir[*b1p].fo - beamdir[*b2p].fo; |
232 |
> |
off_t pdif = beamdir[*(int*)b1p].fo - beamdir[*(int*)b2p].fo; |
233 |
|
|
234 |
|
if (pdif > 0L) return(1); |
235 |
|
if (pdif < 0L) return(-1); |
237 |
|
} |
238 |
|
|
239 |
|
static int |
240 |
< |
addclump(hp, bq, nb) /* transfer the given clump and free */ |
241 |
< |
HOLO *hp; |
242 |
< |
int *bq, nb; |
240 |
> |
addclump( /* transfer the given clump and free */ |
241 |
> |
HOLO *hp, |
242 |
> |
int *bq, |
243 |
> |
int nb |
244 |
> |
) |
245 |
|
{ |
246 |
|
GCOORD gc[2]; |
247 |
|
FVECT ro, rd; |
248 |
|
double d; |
249 |
|
int i; |
250 |
< |
register int k; |
251 |
< |
register BEAM *bp; |
250 |
> |
int k; |
251 |
> |
BEAM *bp; |
252 |
|
/* sort based on file position */ |
253 |
|
beamdir = hp->bi; |
254 |
|
qsort((char *)bq, nb, sizeof(*bq), bpcmp); |
271 |
|
return(0); |
272 |
|
} |
273 |
|
|
274 |
< |
addholo(hdf) /* add a holodeck file */ |
275 |
< |
char *hdf; |
274 |
> |
|
275 |
> |
void |
276 |
> |
addholo( /* add a holodeck file */ |
277 |
> |
char *hdf |
278 |
> |
) |
279 |
|
{ |
280 |
|
int fd; |
281 |
|
/* open the holodeck for reading */ |
291 |
|
} |
292 |
|
|
293 |
|
|
255 |
– |
struct phead { |
256 |
– |
VIEW vw; |
257 |
– |
double expos; |
258 |
– |
short gotview; |
259 |
– |
short badfmt; |
260 |
– |
short altprims; |
261 |
– |
}; |
294 |
|
|
295 |
< |
|
296 |
< |
int |
297 |
< |
picheadline(s, ph) /* process picture header line */ |
298 |
< |
char *s; |
299 |
< |
struct phead *ph; |
295 |
> |
static int |
296 |
> |
picheadline( /* process picture header line */ |
297 |
> |
char *s, |
298 |
> |
void *vph |
299 |
> |
) |
300 |
|
{ |
301 |
|
char fmt[32]; |
302 |
+ |
struct phead *ph = vph; |
303 |
|
|
304 |
|
if (formatval(fmt, s)) { |
305 |
|
ph->badfmt = strcmp(fmt, COLRFMT); |
321 |
|
} |
322 |
|
|
323 |
|
|
324 |
< |
addpicz(pcf, zbf) /* add a picture + depth-buffer */ |
325 |
< |
char *pcf, *zbf; |
324 |
> |
void |
325 |
> |
addpicz( /* add a picture + depth-buffer */ |
326 |
> |
char *pcf, |
327 |
> |
char *zbf |
328 |
> |
) |
329 |
|
{ |
330 |
|
FILE *pfp; |
331 |
|
int zfd; |
340 |
|
double aftd; |
341 |
|
COLOR ctmp; |
342 |
|
int j; |
343 |
< |
register int i; |
343 |
> |
int i; |
344 |
|
/* open files */ |
345 |
< |
if ((pfp = fopen(pcf, "r")) == NULL) { |
345 |
> |
if ((pfp = fopen(pcf, "rb")) == NULL) { |
346 |
|
sprintf(errmsg, "cannot open picture file \"%s\"", pcf); |
347 |
|
error(SYSTEM, pcf); |
348 |
|
} |
350 |
|
sprintf(errmsg, "cannot open depth file \"%s\"", zbf); |
351 |
|
error(SYSTEM, pcf); |
352 |
|
} |
353 |
+ |
SET_FD_BINARY(zfd); |
354 |
|
/* load picture header */ |
355 |
|
phd.vw = stdview; |
356 |
|
phd.expos = 1.0; |
357 |
|
phd.badfmt = phd.gotview = phd.altprims = 0; |
358 |
< |
if (getheader(pfp, picheadline, (char *)&phd) < 0 || |
358 |
> |
if (getheader(pfp, picheadline, &phd) < 0 || |
359 |
|
phd.badfmt || !fgetsresolu(&prs, pfp)) { |
360 |
|
sprintf(errmsg, "bad format for picture file \"%s\"", pcf); |
361 |
|
error(USER, errmsg); |
366 |
|
error(USER, errmsg); |
367 |
|
} |
368 |
|
if (phd.altprims) { |
369 |
< |
sprintf(errmsg, "ignoring primary values in picture \"%s\"", |
369 |
> |
sprintf(errmsg, "ignoring color primaries in picture \"%s\"", |
370 |
|
pcf); |
371 |
|
error(WARNING, errmsg); |
372 |
|
} |
399 |
|
} |
400 |
|
if (eshft) /* shift exposure */ |
401 |
|
shiftcolrs(cscn, i, eshft); |
402 |
< |
i *= sizeof(float); /* read depth */ |
403 |
< |
if (read(zfd, (char *)zscn, i) != i) { |
402 |
> |
/* read depth */ |
403 |
> |
if (read(zfd, zscn, i*sizeof(float)) != i*sizeof(float)) { |
404 |
|
sprintf(errmsg, "error reading depth file \"%s\"", zbf); |
405 |
|
error(USER, errmsg); |
406 |
|
} |
407 |
< |
for (i = scanlen(&prs); i--; ) { /* do each pixel */ |
407 |
> |
while (i--) { /* process each pixel */ |
408 |
> |
if (zscn[i] <= 0.0) |
409 |
> |
continue; /* illegal depth */ |
410 |
|
pix2loc(vl, &prs, i, j); |
411 |
|
aftd = viewray(ro, rd, &phd.vw, vl[0], vl[1]); |
412 |
|
if (aftd < -FTINY) |
433 |
|
|
434 |
|
|
435 |
|
void |
436 |
< |
eputs(s) /* put error message to stderr */ |
437 |
< |
register char *s; |
436 |
> |
eputs( /* put error message to stderr */ |
437 |
> |
char *s |
438 |
> |
) |
439 |
|
{ |
440 |
|
static int midline = 0; |
441 |
|
|
454 |
|
|
455 |
|
|
456 |
|
void |
457 |
< |
quit(code) /* exit the program gracefully */ |
458 |
< |
int code; |
457 |
> |
quit( /* exit the program gracefully */ |
458 |
> |
int code |
459 |
> |
) |
460 |
|
{ |
461 |
|
hdsync(NULL, 1); /* write out any buffered data */ |
462 |
|
exit(code); |