| 5 |
|
#endif |
| 6 |
|
|
| 7 |
|
/* |
| 8 |
< |
* Holodeck beam tracking |
| 8 |
> |
* Holodeck beam tracking for display process |
| 9 |
|
*/ |
| 10 |
|
|
| 11 |
|
#include "rholo.h" |
| 15 |
|
extern int *getviewcells(); |
| 16 |
|
|
| 17 |
|
typedef struct { |
| 18 |
< |
int hd; /* holodeck section number */ |
| 18 |
> |
int hd; /* holodeck section number (-1 if inactive) */ |
| 19 |
|
int i[3]; /* voxel index (may be outside section) */ |
| 20 |
|
} VOXL; /* a voxel */ |
| 21 |
|
|
| 36 |
|
static int xcbeams = 0; /* extra (unregistered) beams past ncbeams */ |
| 37 |
|
static int maxcbeam = 0; /* size of cbeam array */ |
| 38 |
|
|
| 39 |
– |
|
| 39 |
|
struct cellact { |
| 40 |
|
short vi; /* voxel index */ |
| 41 |
|
short add; /* zero means delete */ |
| 42 |
|
}; /* action for cell */ |
| 43 |
|
|
| 45 |
– |
|
| 44 |
|
struct beamact { |
| 45 |
|
struct cellact ca; /* cell action */ |
| 46 |
|
GCOORD gc; /* grid coordinate */ |
| 155 |
|
} |
| 156 |
|
|
| 157 |
|
|
| 158 |
< |
cbeamadd(bl, n, v, hr, vr) /* add beams to server list */ |
| 158 |
> |
cbeamop(op, bl, n, v, hr, vr) /* update beams on server list */ |
| 159 |
> |
int op; |
| 160 |
|
register struct beamcomp *bl; |
| 161 |
|
int n; |
| 162 |
|
VIEW *v; |
| 170 |
|
pa = (PACKHEAD *)malloc(n*sizeof(PACKHEAD)); |
| 171 |
|
if (pa == NULL) |
| 172 |
|
error(SYSTEM, "out of memory in cbeamadd"); |
| 174 |
– |
for (i = 0; i < n; i++) |
| 175 |
– |
pa[i].nr = npixels(v, hr, vr, |
| 176 |
– |
hdlist[pa[i].hd=bl[i].hd], |
| 177 |
– |
pa[i].bi=bl[i].bi) / 8; |
| 178 |
– |
|
| 179 |
– |
serv_request(DR_ADDSET, n*sizeof(PACKHEAD), (char *)pa); |
| 180 |
– |
free((char *)pa); |
| 181 |
– |
} |
| 182 |
– |
|
| 183 |
– |
|
| 184 |
– |
cbeamdel(bl, n) /* delete unwanted beam requests */ |
| 185 |
– |
register struct beamcomp *bl; |
| 186 |
– |
int n; |
| 187 |
– |
{ |
| 188 |
– |
register PACKHEAD *pa; |
| 189 |
– |
register int i; |
| 190 |
– |
|
| 191 |
– |
if (n <= 0) |
| 192 |
– |
return; |
| 193 |
– |
pa = (PACKHEAD *)malloc(n*sizeof(PACKHEAD)); |
| 194 |
– |
if (pa == NULL) |
| 195 |
– |
error(SYSTEM, "out of memory in cbeamdel"); |
| 173 |
|
for (i = 0; i < n; i++) { |
| 174 |
|
pa[i].hd = bl[i].hd; |
| 175 |
|
pa[i].bi = bl[i].bi; |
| 176 |
< |
pa[i].nr = 0; /* removes any request */ |
| 176 |
> |
pa[i].nr = v==NULL ? 0 : |
| 177 |
> |
npixels(v, hr, vr, hdlist[bl[i].hd], bl[i].bi); |
| 178 |
|
} |
| 179 |
< |
serv_request(DR_DELSET, n*sizeof(PACKHEAD), (char *)pa); |
| 179 |
> |
serv_request(op, n*sizeof(PACKHEAD), (char *)pa); |
| 180 |
|
free((char *)pa); |
| 181 |
|
} |
| 182 |
|
|
| 225 |
|
VOXL vl[8]; |
| 226 |
|
FVECT vp; |
| 227 |
|
{ |
| 228 |
+ |
static int lastn = 0, lastd = -1; |
| 229 |
|
int n = 0; |
| 230 |
|
FVECT gp; |
| 231 |
|
double d; |
| 256 |
|
n++; |
| 257 |
|
} |
| 258 |
|
} |
| 259 |
< |
return(n); |
| 259 |
> |
/* warn of dangerous moves */ |
| 260 |
> |
if (n < lastn && bestd >= lastd) |
| 261 |
> |
error(WARNING, "moving outside holodeck section"); |
| 262 |
> |
else if (n > lastn && bestd <= lastd) |
| 263 |
> |
error(WARNING, "moving inside holodeck section"); |
| 264 |
> |
lastd = bestd; |
| 265 |
> |
return(lastn = n); |
| 266 |
|
} |
| 267 |
|
|
| 268 |
|
|
| 277 |
|
copystruct(gc, gcp); |
| 278 |
|
copystruct(gc+1, &bp->gc); |
| 279 |
|
if ((bi = hdbindex(hdlist[voxel[bp->ca.vi].hd], gc)) <= 0) |
| 280 |
< |
return(0); /* should report an error? */ |
| 280 |
> |
error(CONSISTENCY, "bad grid coordinate in dobeam"); |
| 281 |
|
if (bp->ca.add) { /* add it in */ |
| 282 |
|
i = getcbeam(voxel[bp->ca.vi].hd, bi); |
| 283 |
|
cbeam[i].wants |= 1<<bp->ca.vi; /* say we want it */ |
| 388 |
|
} |
| 389 |
|
/* take care of list tails */ |
| 390 |
|
for (ca.add = 1; ncnt > 0; ncnt--) |
| 391 |
< |
docell(ngcp++, &ca); |
| 391 |
> |
netchange += docell(ngcp++, &ca); |
| 392 |
|
for (ca.add = 0; ocnt > 0; ocnt--) |
| 393 |
< |
docell(ogcp++, &ca); |
| 393 |
> |
netchange -= docell(ogcp++, &ca); |
| 394 |
|
/* clean up */ |
| 395 |
|
if (ocl != NULL) free((char *)ocl); |
| 396 |
|
if (ncl != NULL) free((char *)ncl); |
| 398 |
|
} |
| 399 |
|
|
| 400 |
|
|
| 401 |
+ |
beam_sync() /* synchronize beams on server */ |
| 402 |
+ |
{ |
| 403 |
+ |
cbeamop(DR_NEWSET, cbeam, ncbeams, &odev.v, odev.hres, odev.vres); |
| 404 |
+ |
} |
| 405 |
+ |
|
| 406 |
+ |
|
| 407 |
|
beam_view(vo, vn) /* change beam view */ |
| 408 |
|
VIEW *vo, *vn; |
| 409 |
|
{ |
| 413 |
|
|
| 414 |
|
if (!vn->type) { /* clear our beam list */ |
| 415 |
|
set_voxels(vlnew, 0); |
| 416 |
< |
cbeamdel(cbeam, ncbeams); |
| 416 |
> |
cbeamop(DR_DELSET, cbeam, ncbeams, NULL, 0, 0); |
| 417 |
|
ncbeams = 0; |
| 418 |
|
return; |
| 419 |
|
} |
| 430 |
|
else /* else add all new cells */ |
| 431 |
|
doview(&ca, vn); |
| 432 |
|
/* inform server of new beams */ |
| 433 |
< |
cbeamadd(cbeam+ncbeams, xcbeams, vn, odev.hres, odev.vres); |
| 433 |
> |
cbeamop(DR_ADDSET, cbeam+ncbeams, xcbeams, vn, odev.hres, odev.vres); |
| 434 |
|
/* sort list to put orphans at end */ |
| 435 |
|
cbeamsort(0); |
| 436 |
|
/* tell server to delete orphans */ |
| 437 |
< |
cbeamdel(cbeam+ncbeams, xcbeams); |
| 437 |
> |
cbeamop(DR_DELSET, cbeam+ncbeams, xcbeams, NULL, 0, 0); |
| 438 |
|
xcbeams = 0; /* truncate our list */ |
| 439 |
|
} |
