12 |
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#include "view.h" |
13 |
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#include "resolu.h" |
14 |
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|
15 |
+ |
#ifndef BLOADSIZE |
16 |
+ |
#define BLOADSIZE 1024 /* number of input beams to load at a time */ |
17 |
+ |
#endif |
18 |
+ |
|
19 |
+ |
int checkdepth = 1; /* check depth (!-f option)? */ |
20 |
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int checkrepeats = 0; /* check for repeats (-c option)? */ |
21 |
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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 */ |
32 |
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int i; |
33 |
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|
34 |
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progname = argv[0]; |
35 |
< |
if (argc < 4) |
35 |
> |
frompicz = -1; |
36 |
> |
for (i = 2; i < argc && argv[i][0] == '-'; i++) |
37 |
> |
switch (argv[i][1]) { |
38 |
> |
case 'u': |
39 |
> |
checkrepeats = 1; |
40 |
> |
break; |
41 |
> |
case 'd': |
42 |
> |
checkdepth = 0; |
43 |
> |
break; |
44 |
> |
case 'h': |
45 |
> |
frompicz = 0; |
46 |
> |
break; |
47 |
> |
case 'p': |
48 |
> |
frompicz = 1; |
49 |
> |
break; |
50 |
> |
default: |
51 |
> |
goto userr; |
52 |
> |
} |
53 |
> |
if (i >= argc || frompicz < 0) |
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goto userr; |
55 |
< |
if (!strcmp(argv[2], "-h")) |
32 |
< |
frompicz = 0; |
33 |
< |
else if (!strcmp(argv[2], "-pz")) |
34 |
< |
frompicz = 1; |
35 |
< |
else |
55 |
> |
if (frompicz && (argc-i)%2) |
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goto userr; |
37 |
– |
if (frompicz && (argc-3)%2) |
38 |
– |
goto userr; |
57 |
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noutsects = openholo(argv[1], 1); |
58 |
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if (frompicz) |
59 |
< |
for (i = 3; i < argc; i += 2) |
59 |
> |
for ( ; i < argc; i += 2) |
60 |
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addpicz(argv[i], argv[i+1]); |
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else |
62 |
< |
for (i = 3; i < argc; i++) |
62 |
> |
for ( ; i < argc; i++) |
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addholo(argv[i]); |
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quit(0); |
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userr: |
66 |
< |
fprintf(stderr, "Usage: %s output.hdk -h inp1.hdk ..\n", progname); |
49 |
< |
fprintf(stderr, " Or: %s output.hdk -pz inp1.pic inp1.zbf ..\n", |
66 |
> |
fprintf(stderr, "Usage: %s output.hdk [-u][-d] -h inp1.hdk ..\n", |
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progname); |
68 |
+ |
fprintf(stderr, " Or: %s output.hdk [-u][-d] -pz inp1.pic inp1.zbf ..\n", |
69 |
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progname); |
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exit(1); |
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} |
72 |
|
|
110 |
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FILE *fp; |
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int fd; |
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int hflags = 0; |
113 |
< |
int4 nextloc; |
113 |
> |
long nextloc; |
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int n; |
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/* open holodeck file */ |
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if ((fp = fopen(fname, append ? "r+" : "r")) == NULL) { |
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nextloc = ftell(fp); /* get stdio position */ |
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fclose(fp); /* done with stdio */ |
130 |
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for (n = 0; nextloc > 0L; n++) { /* initialize each section */ |
131 |
< |
lseek(fd, (long)nextloc, 0); |
131 |
> |
lseek(fd, nextloc, 0); |
132 |
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read(fd, (char *)&nextloc, sizeof(nextloc)); |
133 |
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hdinit(fd, NULL)->priv = hflags&H_OBST ? &obstr : |
134 |
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hflags&H_OBSF ? &unobstr : (char *)NULL; |
146 |
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double d; |
147 |
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COLR cv; |
148 |
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{ |
149 |
< |
int sn; |
149 |
> |
int sn, bi, n; |
150 |
|
register HOLO *hp; |
151 |
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GCOORD gc[2]; |
152 |
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BYTE rr[2][2]; |
153 |
+ |
BEAM *bp; |
154 |
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double d0, d1; |
155 |
+ |
unsigned dc; |
156 |
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register RAYVAL *rv; |
157 |
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/* check each output section */ |
158 |
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for (sn = noutsects; sn--; ) { |
160 |
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d0 = hdinter(gc, rr, &d1, hp, ro, rd); |
161 |
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if (d <= d0 || d1 < -0.001) |
162 |
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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 (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 |
|
|
191 |
|
addholo(hdf) /* add a holodeck file */ |
192 |
|
char *hdf; |
193 |
|
{ |
194 |
+ |
HDBEAMI hbl[BLOADSIZE]; |
195 |
|
int fd; |
196 |
|
register HOLO *hp; |
197 |
|
register BEAM *bp; |
198 |
|
GCOORD gc[2]; |
199 |
|
FVECT ro, rd; |
200 |
|
double d; |
201 |
< |
int i, j; |
201 |
> |
int i, j, n, li; |
202 |
|
register int k; |
203 |
< |
|
204 |
< |
openholo(hdf, 0); /* open the holodeck for reading */ |
203 |
> |
/* open the holodeck for reading */ |
204 |
> |
openholo(hdf, 0); |
205 |
|
fd = hdlist[noutsects]->fd; /* remember the file handle */ |
206 |
|
while ((hp = hdlist[noutsects]) != NULL) { /* load each section */ |
207 |
< |
for (j = nbeams(hp); j > 0; j--) /* load each beam */ |
208 |
< |
if ((bp = hdgetbeam(hp, j)) != NULL) { |
209 |
< |
hdbcoord(gc, hp, j); |
207 |
> |
for (j = 0; j < nbeams(hp); j++) { /* load each beam */ |
208 |
> |
if (!(li = j % BLOADSIZE)) { /* optimize order */ |
209 |
> |
if (j+BLOADSIZE > nbeams(hp)) |
210 |
> |
k = n = nbeams(hp) - j; |
211 |
> |
else |
212 |
> |
k = n = BLOADSIZE; |
213 |
> |
while (k--) { |
214 |
> |
hbl[k].h = hp; |
215 |
> |
hbl[k].b = j+k+1; |
216 |
> |
} |
217 |
> |
qsort((char *)hbl, n, |
218 |
> |
sizeof(HDBEAMI), hdfilord); |
219 |
> |
} |
220 |
> |
if ((bp = hdgetbeam(hp, hbl[li].b)) != NULL) { |
221 |
> |
hdbcoord(gc, hp, hbl[li].b); |
222 |
|
for (k = bp->nrm; k--; ) { |
223 |
|
d = hdray(ro, rd, |
224 |
|
hp, gc, hdbray(bp)[k].r); |
229 |
|
d = hddepth(hp, hdbray(bp)[k].d) - d; |
230 |
|
addray(ro, rd, d, hdbray(bp)[k].v); |
231 |
|
} |
232 |
< |
hdfreebeam(hp, j); /* free the beam */ |
232 |
> |
hdfreebeam(hp, hbl[li].b); /* free beam */ |
233 |
|
} |
234 |
+ |
} |
235 |
|
hddone(hp); /* free the section */ |
236 |
|
} |
237 |
|
close(fd); /* close the file */ |