| 18 |
|
#define VIEWHISTLEN 4 /* number of remembered views */ |
| 19 |
|
#endif |
| 20 |
|
|
| 21 |
+ |
#ifndef FSIZDEF |
| 22 |
+ |
#define FSIZDEF 0.125 /* default focus frame size */ |
| 23 |
+ |
#endif |
| 24 |
+ |
|
| 25 |
|
HOLO *hdlist[HDMAX+1]; /* global holodeck list */ |
| 26 |
|
|
| 27 |
|
char cmdlist[DC_NCMDS][8] = DC_INIT; |
| 92 |
|
printview(); |
| 93 |
|
if (inp & DFL(DC_LASTVIEW)) |
| 94 |
|
new_view(NULL); |
| 95 |
+ |
if (inp & DFL(DC_FOCUS)) |
| 96 |
+ |
set_focus(odev_args); |
| 97 |
|
if (inp & DFL(DC_KILL)) { |
| 98 |
|
serv_request(DR_KILL, 0, NULL); |
| 99 |
|
pause = 0; |
| 306 |
|
} |
| 307 |
|
|
| 308 |
|
|
| 309 |
+ |
set_focus(args) /* set focus frame */ |
| 310 |
+ |
char *args; |
| 311 |
+ |
{ |
| 312 |
+ |
double hcent, vcent, hsiz, vsiz; |
| 313 |
+ |
VIEW *dv, vwfocus; |
| 314 |
+ |
int i, res[2]; |
| 315 |
+ |
|
| 316 |
+ |
i = sscanf(args, "%lf %lf %lf %lf", &hcent, &vcent, &hsiz, &vsiz); |
| 317 |
+ |
if (i < 2 || hcent < 0 || hcent > 1 || vcent < 0 || vcent > 1) { |
| 318 |
+ |
beam_init(0); /* restore view */ |
| 319 |
+ |
for (i = 0; (dv = dev_auxview(i, res)) != NULL; i++) |
| 320 |
+ |
beam_view(dv, res[0], res[1]); |
| 321 |
+ |
beam_sync(0); /* update server */ |
| 322 |
+ |
return; |
| 323 |
+ |
} |
| 324 |
+ |
if (i < 4 || hsiz <= hcent || hsiz > 1 || vsiz <= vcent || vsiz > 1) |
| 325 |
+ |
hsiz = vsiz = FSIZDEF; /* gave center only */ |
| 326 |
+ |
else { |
| 327 |
+ |
hsiz -= hcent; hcent += 0.5*hsiz; /* gave min and max */ |
| 328 |
+ |
vsiz -= vcent; vcent += 0.5*vsiz; |
| 329 |
+ |
} |
| 330 |
+ |
beam_init(0); /* add basic views */ |
| 331 |
+ |
for (i = 0; (dv = dev_auxview(i, res)) != NULL; i++) |
| 332 |
+ |
beam_view(dv, res[0]>>4, res[1]>>4); |
| 333 |
+ |
copystruct(&vwfocus, &odev.v); /* add focus view */ |
| 334 |
+ |
switch (odev.v.type) { |
| 335 |
+ |
case VT_PER: |
| 336 |
+ |
vwfocus.horiz = 2.*180./PI*atan( |
| 337 |
+ |
hsiz * tan(PI/180./2.*odev.v.horiz) ); |
| 338 |
+ |
vwfocus.vert = 2.*180./PI*atan( |
| 339 |
+ |
vsiz * tan(PI/180./2.*odev.v.vert) ); |
| 340 |
+ |
break; |
| 341 |
+ |
case VT_PAR: |
| 342 |
+ |
case VT_ANG: |
| 343 |
+ |
vwfocus.horiz = hsiz * odev.v.horiz; |
| 344 |
+ |
vwfocus.vert = vsiz * odev.v.vert; |
| 345 |
+ |
break; |
| 346 |
+ |
case VT_HEM: |
| 347 |
+ |
vwfocus.horiz = 2.*180./PI*asin( |
| 348 |
+ |
hsiz * sin(PI/180./2.*odev.v.horiz) ); |
| 349 |
+ |
vwfocus.vert = 2.*180./PI*asin( |
| 350 |
+ |
vsiz * sin(PI/180./2.*odev.v.vert) ); |
| 351 |
+ |
break; |
| 352 |
+ |
case VT_CYL: |
| 353 |
+ |
vwfocus.horiz = hsiz * odev.v.horiz; |
| 354 |
+ |
vwfocus.vert = 2.*180./PI*atan( |
| 355 |
+ |
vsiz * tan(PI/180./2.*odev.v.vert) ); |
| 356 |
+ |
break; |
| 357 |
+ |
default: |
| 358 |
+ |
error(INTERNAL, "bad view type in set_focus"); |
| 359 |
+ |
} |
| 360 |
+ |
vwfocus.hoff = (odev.v.hoff + hcent - 0.5)/hsiz; |
| 361 |
+ |
vwfocus.voff = (odev.v.voff + vcent - 0.5)/vsiz; |
| 362 |
+ |
setview(&vwfocus); |
| 363 |
+ |
beam_view(&vwfocus, (int)(3*odev.hres*hsiz)+100, |
| 364 |
+ |
(int)(3*odev.vres*vsiz)+100); |
| 365 |
+ |
beam_sync(0); /* update server */ |
| 366 |
+ |
} |
| 367 |
+ |
|
| 368 |
+ |
|
| 369 |
|
int |
| 370 |
|
usr_input() /* get user input and process it */ |
| 371 |
|
{ |
| 407 |
|
break; |
| 408 |
|
case DC_LASTVIEW: /* restore previous view */ |
| 409 |
|
new_view(NULL); |
| 410 |
+ |
break; |
| 411 |
+ |
case DC_FOCUS: /* set focus frame */ |
| 412 |
+ |
set_focus(args); |
| 413 |
|
break; |
| 414 |
|
case DC_PAUSE: /* pause the current calculation */ |
| 415 |
|
case DC_RESUME: /* resume the calculation */ |
