14 |
|
|
15 |
|
extern GCOORD *getviewcells(); |
16 |
|
|
17 |
+ |
static VIEW dvw; /* current view corresponding to beam list */ |
18 |
+ |
|
19 |
|
typedef struct { |
20 |
|
int hd; /* holodeck section number (-1 if inactive) */ |
21 |
|
int i[3]; /* voxel index (may be outside section) */ |
158 |
|
} |
159 |
|
|
160 |
|
|
161 |
+ |
cbeamadj(v, hr, vr) /* adjust our beam list */ |
162 |
+ |
VIEW *v; |
163 |
+ |
int hr, vr; |
164 |
+ |
{ |
165 |
+ |
register PACKHEAD *pa; |
166 |
+ |
register int i; |
167 |
+ |
int n; |
168 |
+ |
/* first handle additions */ |
169 |
+ |
pa = (PACKHEAD *)malloc(xcbeams*sizeof(PACKHEAD)); |
170 |
+ |
if (xcbeams && pa == NULL) |
171 |
+ |
goto memerr; |
172 |
+ |
for (i = xcbeams; i--; ) { |
173 |
+ |
pa[i].hd = cbeam[ncbeams+i].hd; |
174 |
+ |
pa[i].bi = cbeam[ncbeams+i].bi; |
175 |
+ |
pa[i].nr = npixels(v, hr, vr, hdlist[pa[i].hd], pa[i].bi); |
176 |
+ |
} |
177 |
+ |
n = xcbeams; /* now sort list for deletions */ |
178 |
+ |
cbeamsort(0); |
179 |
+ |
pa = (PACKHEAD *)realloc((char *)pa, (n+xcbeams)*sizeof(PACKHEAD)); |
180 |
+ |
if (n+xcbeams && pa == NULL) |
181 |
+ |
goto memerr; |
182 |
+ |
for (i = xcbeams; i--; ) { |
183 |
+ |
pa[n+i].hd = cbeam[ncbeams+i].hd; |
184 |
+ |
pa[n+i].bi = cbeam[ncbeams+i].bi; |
185 |
+ |
pa[n+i].nr = 0; |
186 |
+ |
} |
187 |
+ |
n += xcbeams; |
188 |
+ |
xcbeams = 0; /* delete orphans */ |
189 |
+ |
serv_request(DR_ADJSET, n*sizeof(PACKHEAD), (char *)pa); |
190 |
+ |
free((char *)pa); |
191 |
+ |
return; |
192 |
+ |
memerr: |
193 |
+ |
error(SYSTEM, "out of memory in cbeamadj"); |
194 |
+ |
} |
195 |
+ |
|
196 |
+ |
|
197 |
|
cbeamop(op, bl, n, v, hr, vr) /* update beams on server list */ |
198 |
|
int op; |
199 |
|
register struct beamcomp *bl; |
399 |
|
struct cellact oca, nca; |
400 |
|
int ocnt, ncnt; |
401 |
|
int c; |
402 |
+ |
GCOORD *ogcl, *ngcl; |
403 |
|
register GCOORD *ogcp, *ngcp; |
404 |
|
/* get old and new cell lists */ |
405 |
< |
ogcp = getviewcells(&ocnt, hdlist[voxel[voxi].hd], vold); |
406 |
< |
ngcp = getviewcells(&ncnt, hdlist[voxel[voxi].hd], vnew); |
405 |
> |
ogcp = ogcl = getviewcells(&ocnt, hdlist[voxel[voxi].hd], vold); |
406 |
> |
ngcp = ngcl = getviewcells(&ncnt, hdlist[voxel[voxi].hd], vnew); |
407 |
|
/* set up actions */ |
408 |
|
oca.vi = nca.vi = voxi; |
409 |
|
oca.rev = nca.rev = 0; |
412 |
|
ocnt = -ocnt; |
413 |
|
if ((nca.rev = ncnt < 0)) |
414 |
|
ncnt = -ncnt; |
415 |
< |
/* add and delete cells in order */ |
416 |
< |
while (ocnt > 0 & ncnt > 0) |
417 |
< |
if ((c = cellcmp(ogcp, ngcp)) > 0) { /* new cell */ |
418 |
< |
netchange += docell(ngcp++, &nca); |
419 |
< |
ncnt--; |
420 |
< |
} else if (c < 0) { /* obsolete cell */ |
421 |
< |
netchange -= docell(ogcp++, &oca); |
422 |
< |
ocnt--; |
423 |
< |
} else { /* same cell? */ |
424 |
< |
if (oca.rev != nca.rev) /* not */ |
425 |
< |
netchange += docell(ngcp, &nca) - |
426 |
< |
docell(ogcp, &oca); |
388 |
< |
ogcp++; ocnt--; |
389 |
< |
ngcp++; ncnt--; |
390 |
< |
} |
415 |
> |
if (nca.rev == oca.rev) /* add and delete cells in order */ |
416 |
> |
while (ocnt > 0 & ncnt > 0) |
417 |
> |
if ((c = cellcmp(ogcp, ngcp)) > 0) { /* new cell */ |
418 |
> |
netchange += docell(ngcp++, &nca); |
419 |
> |
ncnt--; |
420 |
> |
} else if (c < 0) { /* old cell */ |
421 |
> |
netchange -= docell(ogcp++, &oca); |
422 |
> |
ocnt--; |
423 |
> |
} else { /* same cell */ |
424 |
> |
ogcp++; ocnt--; |
425 |
> |
ngcp++; ncnt--; |
426 |
> |
} |
427 |
|
/* take care of list tails */ |
428 |
|
for ( ; ncnt > 0; ncnt--) |
429 |
|
netchange += docell(ngcp++, &nca); |
430 |
|
for ( ; ocnt > 0; ocnt--) |
431 |
|
netchange -= docell(ogcp++, &oca); |
432 |
|
/* clean up */ |
433 |
< |
if (ogcp != NULL) free((char *)ogcp); |
434 |
< |
if (ngcp != NULL) free((char *)ngcp); |
433 |
> |
if (ogcl != NULL) free((char *)ogcl); |
434 |
> |
if (ngcl != NULL) free((char *)ngcl); |
435 |
|
return(netchange); |
436 |
|
} |
437 |
|
|
442 |
|
} |
443 |
|
|
444 |
|
|
445 |
< |
beam_view(vo, vn) /* change beam view */ |
446 |
< |
VIEW *vo, *vn; |
445 |
> |
beam_view(vn) /* change beam view */ |
446 |
> |
VIEW *vn; |
447 |
|
{ |
448 |
|
struct cellact ca; |
449 |
|
VOXL vlnew[8]; |
453 |
|
set_voxels(vlnew, 0); |
454 |
|
cbeamop(DR_DELSET, cbeam, ncbeams, NULL, 0, 0); |
455 |
|
ncbeams = 0; |
456 |
+ |
copystruct(&dvw, vn); |
457 |
|
return; |
458 |
|
} |
459 |
|
/* find our new voxels */ |
460 |
|
n = get_voxels(vlnew, vn->vp); |
461 |
|
/* set the new voxels */ |
462 |
|
comn = set_voxels(vlnew, n); |
463 |
< |
if (!vo->type) |
463 |
> |
if (!dvw.type) |
464 |
|
comn = 0; |
465 |
|
ca.add = 1; /* update our beam list */ |
466 |
|
for (ca.vi = n; ca.vi--; ) |
467 |
|
if (comn & 1<<ca.vi) /* change which cells we see */ |
468 |
< |
mvview(ca.vi, vo, vn); |
468 |
> |
mvview(ca.vi, &dvw, vn); |
469 |
|
else /* else add all new cells */ |
470 |
|
doview(&ca, vn); |
471 |
+ |
#if 1 |
472 |
+ |
cbeamadj(vn, odev.hres, odev.vres); |
473 |
+ |
#else |
474 |
|
/* inform server of new beams */ |
475 |
|
cbeamop(DR_ADDSET, cbeam+ncbeams, xcbeams, vn, odev.hres, odev.vres); |
476 |
|
/* sort list to put orphans at end */ |
478 |
|
/* tell server to delete orphans */ |
479 |
|
cbeamop(DR_DELSET, cbeam+ncbeams, xcbeams, NULL, 0, 0); |
480 |
|
xcbeams = 0; /* truncate our list */ |
481 |
+ |
#endif |
482 |
+ |
copystruct(&dvw, vn); /* record new view */ |
483 |
|
} |