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#include "x11icon.h" |
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#ifndef RAYQLEN |
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#define RAYQLEN 50000 /* max. rays to queue before flush */ |
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#endif |
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#ifndef FEQ |
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#define FEQ(a,b) ((a)-(b) <= FTINY && (a)-(b) >= -FTINY) |
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#endif |
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for (cp = tail; *cp && *cp != '.'; cp++) |
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; |
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if (cp-tail == 3 && !strncmp(tail, "x11", 3)) |
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return(TM_F_CAMERA); |
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return(TM_F_CAMERA|TM_F_NOSTDERR); |
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if (cp-tail == 4 && !strncmp(tail, "x11h", 4)) |
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return(TM_F_HUMAN); |
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return(TM_F_HUMAN|TM_F_NOSTDERR); |
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error(USER, "illegal driver name"); |
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} |
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oursizhints.min_height = MINHEIGHT; |
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oursizhints.flags = PMinSize; |
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XSetNormalHints(ourdisplay, gwind, &oursizhints); |
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/* map the window and get its size */ |
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XMapWindow(ourdisplay, gwind); |
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dev_input(); |
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/* allocate our leaf pile */ |
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if (!qtAllocLeaves(DisplayWidth(ourdisplay,ourscreen) * |
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DisplayHeight(ourdisplay,ourscreen) / |
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(qtMinNodesiz*qtMinNodesiz))) |
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error(SYSTEM, "insufficient memory for leaf storage"); |
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/* figure out sensible view */ |
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pwidth = (double)DisplayWidthMM(ourdisplay, ourscreen) / |
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DisplayWidth(ourdisplay, ourscreen); |
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pheight = (double)DisplayHeightMM(ourdisplay, ourscreen) / |
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DisplayHeight(ourdisplay, ourscreen); |
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copystruct(&odev.v, &stdview); |
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odev.name = id; |
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odev.v.type = VT_PER; |
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odev.v.horiz = 2.*180./PI * atan(0.5/VIEWDIST*pwidth*odev.hres); |
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odev.v.vert = 2.*180./PI * atan(0.5/VIEWDIST*pheight*odev.vres); |
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/* map the window and get its size */ |
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XMapWindow(ourdisplay, gwind); |
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dev_input(); /* sets size and view angles */ |
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/* allocate our leaf pile */ |
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if (!qtAllocLeaves(DisplayWidth(ourdisplay,ourscreen) * |
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DisplayHeight(ourdisplay,ourscreen) * 3 / |
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(qtMinNodesiz*qtMinNodesiz*2))) |
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error(SYSTEM, "insufficient memory for leaf storage"); |
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odev.name = id; |
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odev.ifd = ConnectionNumber(ourdisplay); |
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} |
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VIEW *nv; |
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{ |
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if (nv->type == VT_PAR || /* check view legality */ |
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nv->horiz > 160. || nv->vert > 160.) { |
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nv->horiz > 160. || nv->vert > 160.) { |
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error(COMMAND, "illegal view type/angle"); |
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nv->type = VT_PER; |
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nv->horiz = odev.v.horiz; |
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int dh = DisplayHeight(ourdisplay,ourscreen); |
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dw -= 25; /* for window frame */ |
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dh -= 100; |
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dh -= 50; |
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odev.hres = 2.*VIEWDIST/pwidth * |
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tan(PI/180./2.*nv->horiz); |
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odev.vres = 2.*VIEWDIST/pheight * |
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odev.vres = dh; |
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} |
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XResizeWindow(ourdisplay, gwind, odev.hres, odev.vres); |
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dev_input(); /* wait for resize event */ |
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} |
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copystruct(&odev.v, nv); |
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} |
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dev_flush() /* flush output */ |
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{ |
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qtUpdate(); |
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rayqleft = RAYQLEN; |
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return(XPending(ourdisplay)); |
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} |
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static BYTE gridrgb[3] = {0x0, 0xff, 0xff}; |
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unsigned long pixel; |
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if (!mapped || odev.v.type != VT_PER) |
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if (!mapped) |
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return; |
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if (ncolors > 0) |
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pixel = pixval[get_pixel(gridrgb, xnewcolr)]; |
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int dx, dy, mov, orb; |
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{ |
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VIEW nv; |
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FVECT v1; |
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FVECT odir, v1; |
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double d; |
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register int li; |
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/* start with old view */ |
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if (mov | orb) { |
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if ((li = qtFindLeaf(dx, dy)) < 0) |
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return(0); /* not on window */ |
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VSUM(nv.vdir, qtL.wp[li], nv.vp, -1.); |
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VSUM(odir, qtL.wp[li], nv.vp, -1.); |
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} else { |
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if (viewray(nv.vp, nv.vdir, &odev.v, |
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(dx+.5)/odev.hres, (dy+.5)/odev.vres) < -FTINY) |
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return(0); /* outside view */ |
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} |
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if (orb && mov) { /* orbit left/right */ |
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spinvector(nv.vdir, nv.vdir, nv.vup, MOVDEG*PI/180.*mov); |
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VSUM(nv.vp, qtL.wp[li], nv.vdir, -1.); |
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spinvector(odir, odir, nv.vup, d=MOVDEG*PI/180.*mov); |
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VSUM(nv.vp, qtL.wp[li], odir, -1.); |
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spinvector(nv.vdir, nv.vdir, nv.vup, d); |
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} else if (orb) { /* orbit up/down */ |
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fcross(v1, nv.vdir, nv.vup); |
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fcross(v1, odir, nv.vup); |
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if (normalize(v1) == 0.) |
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return(0); |
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spinvector(nv.vdir, nv.vdir, v1, MOVDEG*PI/180.*orb); |
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VSUM(nv.vp, qtL.wp[li], nv.vdir, -1.); |
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spinvector(odir, odir, v1, d=MOVDEG*PI/180.*orb); |
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VSUM(nv.vp, qtL.wp[li], odir, -1.); |
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spinvector(nv.vdir, nv.vdir, v1, d); |
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} else if (mov) { /* move forward/backward */ |
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d = MOVPCT/100. * mov; |
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VSUM(nv.vp, nv.vp, nv.vdir, d); |
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VSUM(nv.vp, nv.vp, odir, d); |
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} |
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if (!mov ^ !orb && headlocked) { /* restore head height */ |
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VSUM(v1, odev.v.vp, nv.vp, -1.); |
