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 */ |