22 |
|
#define FEQ(a,b) ((a)-(b) <= FTINY && (a)-(b) >= -FTINY) |
23 |
|
#endif |
24 |
|
|
25 |
– |
#define CTRL(c) ((c)-'@') |
26 |
– |
|
25 |
|
#define GAMMA 2.2 /* default gamma correction */ |
26 |
|
|
27 |
|
#define MOVPCT 7 /* percent distance to move /frame */ |
203 |
|
VIEW *nv; |
204 |
|
{ |
205 |
|
if (nv->type == VT_PAR || /* check view legality */ |
206 |
< |
nv->horiz > 160. || nv->vert > 160.) { |
206 |
> |
nv->horiz > 160. || nv->vert > 160.) { |
207 |
|
error(COMMAND, "illegal view type/angle"); |
208 |
|
nv->type = VT_PER; |
209 |
|
nv->horiz = odev.v.horiz; |
222 |
|
int dh = DisplayHeight(ourdisplay,ourscreen); |
223 |
|
|
224 |
|
dw -= 25; /* for window frame */ |
225 |
< |
dh -= 100; |
225 |
> |
dh -= 50; |
226 |
|
odev.hres = 2.*VIEWDIST/pwidth * |
227 |
|
tan(PI/180./2.*nv->horiz); |
228 |
|
odev.vres = 2.*VIEWDIST/pheight * |
472 |
|
int dx, dy, mov, orb; |
473 |
|
{ |
474 |
|
VIEW nv; |
475 |
< |
FVECT v1; |
475 |
> |
FVECT odir, v1; |
476 |
|
double d; |
477 |
|
register int li; |
478 |
|
/* start with old view */ |
481 |
|
if (mov | orb) { |
482 |
|
if ((li = qtFindLeaf(dx, dy)) < 0) |
483 |
|
return(0); /* not on window */ |
484 |
< |
VSUM(nv.vdir, qtL.wp[li], nv.vp, -1.); |
484 |
> |
VSUM(odir, qtL.wp[li], nv.vp, -1.); |
485 |
|
} else { |
486 |
|
if (viewray(nv.vp, nv.vdir, &odev.v, |
487 |
|
(dx+.5)/odev.hres, (dy+.5)/odev.vres) < -FTINY) |
488 |
|
return(0); /* outside view */ |
489 |
|
} |
490 |
|
if (orb && mov) { /* orbit left/right */ |
491 |
< |
spinvector(nv.vdir, nv.vdir, nv.vup, MOVDEG*PI/180.*mov); |
492 |
< |
VSUM(nv.vp, qtL.wp[li], nv.vdir, -1.); |
491 |
> |
spinvector(odir, odir, nv.vup, d=MOVDEG*PI/180.*mov); |
492 |
> |
VSUM(nv.vp, qtL.wp[li], odir, -1.); |
493 |
> |
spinvector(nv.vdir, nv.vdir, nv.vup, d); |
494 |
|
} else if (orb) { /* orbit up/down */ |
495 |
< |
fcross(v1, nv.vdir, nv.vup); |
495 |
> |
fcross(v1, odir, nv.vup); |
496 |
|
if (normalize(v1) == 0.) |
497 |
|
return(0); |
498 |
< |
spinvector(nv.vdir, nv.vdir, v1, MOVDEG*PI/180.*orb); |
499 |
< |
VSUM(nv.vp, qtL.wp[li], nv.vdir, -1.); |
498 |
> |
spinvector(odir, odir, v1, d=MOVDEG*PI/180.*orb); |
499 |
> |
VSUM(nv.vp, qtL.wp[li], odir, -1.); |
500 |
> |
spinvector(nv.vdir, nv.vdir, v1, d); |
501 |
|
} else if (mov) { /* move forward/backward */ |
502 |
|
d = MOVPCT/100. * mov; |
503 |
< |
VSUM(nv.vp, nv.vp, nv.vdir, d); |
503 |
> |
VSUM(nv.vp, nv.vp, odir, d); |
504 |
|
} |
505 |
|
if (!mov ^ !orb && headlocked) { /* restore head height */ |
506 |
|
VSUM(v1, odev.v.vp, nv.vp, -1.); |
510 |
|
if (setview(&nv) != NULL) |
511 |
|
return(0); /* illegal view */ |
512 |
|
dev_view(&nv); |
513 |
< |
inpresflags |= DEV_NEWVIEW; |
513 |
> |
inpresflags |= DFL(DC_SETVIEW); |
514 |
|
return(1); |
515 |
|
} |
516 |
|
|
544 |
|
qtUpdate(); |
545 |
|
draw_grids(); |
546 |
|
} |
547 |
< |
if (!(inpresflags & DEV_NEWVIEW)) { /* do final motion */ |
547 |
> |
if (!(inpresflags & DFL(DC_SETVIEW))) { /* do final motion */ |
548 |
|
movdir = MOVDIR(levptr(XButtonReleasedEvent)->button); |
549 |
|
wx = levptr(XButtonReleasedEvent)->x; |
550 |
|
wy = levptr(XButtonReleasedEvent)->y; |
574 |
|
headlocked = 0; |
575 |
|
return; |
576 |
|
case 'l': /* retrieve last view */ |
577 |
< |
inpresflags |= DEV_LASTVIEW; |
577 |
> |
inpresflags |= DFL(DC_LASTVIEW); |
578 |
|
return; |
579 |
– |
case CTRL('S'): |
579 |
|
case 'p': /* pause computation */ |
580 |
< |
inpresflags |= DEV_WAIT; |
580 |
> |
inpresflags |= DFL(DC_PAUSE); |
581 |
|
return; |
582 |
|
case 'v': /* spit out view */ |
583 |
< |
inpresflags |= DEV_PUTVIEW; |
583 |
> |
inpresflags |= DFL(DC_GETVIEW); |
584 |
|
return; |
586 |
– |
case CTRL('Q'): |
585 |
|
case '\n': |
586 |
|
case '\r': /* resume computation */ |
587 |
< |
inpresflags |= DEV_RESUME; |
587 |
> |
inpresflags |= DFL(DC_RESUME); |
588 |
|
return; |
589 |
|
case CTRL('R'): /* redraw screen */ |
590 |
|
if (ncolors > 0) |
592 |
|
qtRedraw(0, 0, odev.hres, odev.vres); |
593 |
|
return; |
594 |
|
case CTRL('L'): /* refresh from server */ |
595 |
< |
if (inpresflags & DEV_REDRAW) |
595 |
> |
if (inpresflags & DFL(DC_REDRAW)) |
596 |
|
return; |
597 |
|
XClearWindow(ourdisplay, gwind); |
598 |
|
draw_grids(); |
600 |
|
qtCompost(100); /* unload the old tree */ |
601 |
|
if (ncolors > 0) |
602 |
|
new_ctab(ncolors); |
603 |
< |
inpresflags |= DEV_REDRAW; /* resend values from server */ |
603 |
> |
inpresflags |= DFL(DC_REDRAW); /* resend values from server */ |
604 |
|
return; |
605 |
< |
case CTRL('D'): |
606 |
< |
case 'Q': |
605 |
> |
case 'K': /* kill rtrace process(es) */ |
606 |
> |
inpresflags |= DFL(DC_KILL); |
607 |
> |
break; |
608 |
> |
case 'R': /* restart rtrace */ |
609 |
> |
inpresflags |= DFL(DC_RESTART); |
610 |
> |
break; |
611 |
> |
case 'C': /* clobber holodeck */ |
612 |
> |
inpresflags |= DFL(DC_CLOBBER); |
613 |
> |
break; |
614 |
|
case 'q': /* quit the program */ |
615 |
< |
inpresflags |= DEV_SHUTDOWN; |
615 |
> |
inpresflags |= DFL(DC_QUIT); |
616 |
|
return; |
617 |
|
default: |
618 |
|
XBell(ourdisplay, 0); |
628 |
|
if (odev.hres == 0 || odev.vres == 0) { /* first exposure */ |
629 |
|
odev.hres = eexp->width; |
630 |
|
odev.vres = eexp->height; |
626 |
– |
inpresflags |= DEV_NEWSIZE; |
631 |
|
} |
632 |
|
qtRedraw(eexp->x, odev.vres - eexp->y - eexp->height, |
633 |
|
eexp->x + eexp->width, odev.vres - eexp->y); |
647 |
|
odev.v.horiz = 2.*180./PI * atan(0.5/VIEWDIST*pwidth*odev.hres); |
648 |
|
odev.v.vert = 2.*180./PI * atan(0.5/VIEWDIST*pheight*odev.vres); |
649 |
|
|
650 |
< |
inpresflags |= DEV_NEWSIZE|DEV_NEWVIEW; |
650 |
> |
inpresflags |= DFL(DC_SETVIEW); |
651 |
|
} |