| 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 |
|
} |
