| 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 |
|
} |
