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/* Copyright (c) 1998 Silicon Graphics, Inc. */ |
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#ifndef lint |
2 |
< |
static char SCCSid[] = "$SunId$ SGI"; |
2 |
> |
static const char RCSid[] = "$Id$"; |
3 |
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#endif |
6 |
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|
4 |
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/* |
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* OpenGL GLX driver for holodeck display. |
6 |
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* Based on old GLX driver using cones. |
18 |
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#endif |
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#include "standard.h" |
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#include "rhd_sample.h" |
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#include <sys/types.h> |
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#include <GL/glx.h> |
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#include <GL/glu.h> |
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#ifdef STEREO |
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#include <X11/extensions/SGIStereo.h> |
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#endif |
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|
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#include "rhd_sample.h" |
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#ifdef DOBJ |
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#include "rhdobj.h" |
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#endif |
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#include "x11icon.h" |
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|
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#ifndef RAYQLEN |
36 |
< |
#define RAYQLEN 250 /* max. rays to queue before flush */ |
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> |
#define RAYQLEN 1024 /* max. rays to queue before flush */ |
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#endif |
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|
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#ifndef FEQ |
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|
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#define GAMMA 1.4 /* default gamma correction */ |
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|
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#define FRAMESTATE(s) (((s)&(ShiftMask|ControlMask))==(ShiftMask|ControlMask)) |
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|
47 |
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#define MOVPCT 7 /* percent distance to move /frame */ |
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#define MOVDIR(b) ((b)==Button1 ? 1 : (b)==Button2 ? 0 : -1) |
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#define MOVDEG (-5) /* degrees to orbit CW/down /frame */ |
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#define MOVORB(s) ((s)&ShiftMask ? 1 : (s)&ControlMask ? -1 : 0) |
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|
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#ifndef TARGETFPS |
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#define TARGETFPS 4.0 /* target frames/sec during motion */ |
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#define TARGETFPS 2.0 /* target frames/sec during motion */ |
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#endif |
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|
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#define MINWIDTH 480 /* minimum graphics window width */ |
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|
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struct driver odev; /* global device driver structure */ |
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|
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char odev_args[64]; /* command arguments */ |
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|
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#ifdef STEREO |
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static VIEW vwright; /* right eye view */ |
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#endif |
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|
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static int rayqleft = 0; /* rays left to queue before flush */ |
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|
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static int headlocked = 0; /* lock vertical motion */ |
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|
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static int resizewindow(), getevent(), getkey(), moveview(), wipeclean(), |
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setglpersp(), getmove(), fixwindow(), mytmflags(); |
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setglpersp(), getframe(), getmove(), fixwindow(), mytmflags(); |
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|
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#ifdef STEREO |
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static int pushright(), popright(); |
109 |
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#endif |
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static double getdistance(); |
111 |
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#define mapdepth(d) ((d)> 0.9995 ? FHUGE: dev_zmin/ \ |
112 |
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(1.-(d)*(1.-dev_zmin/dev_zmax))) |
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|
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extern time_t time(); |
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|
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XSizeHints oursizhints; |
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/* check for unsupported stereo */ |
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#ifdef NOSTEREO |
133 |
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error(USER, "stereo display driver unavailable"); |
133 |
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error(INTERNAL, "stereo display driver unavailable"); |
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#endif |
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/* open display server */ |
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ourdisplay = XOpenDisplay(NULL); |
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pheight *= 2.; |
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setstereobuf(STEREO_BUFFER_LEFT); |
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#endif |
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copystruct(&odev.v, &stdview); |
225 |
> |
checkglerr("setting rendering parameters"); |
226 |
> |
odev.v = stdview; |
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odev.v.type = VT_PER; |
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/* map the window */ |
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XMapWindow(ourdisplay, gwind); |
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dev_clear() /* clear our representation */ |
261 |
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{ |
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smInit(rsL.max_samp); |
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wipeclean(); |
263 |
> |
wipeclean(1); |
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rayqleft = 0; /* hold off update */ |
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} |
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|
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nv->vert = odev.v.vert; |
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return(0); |
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} |
282 |
< |
if (nv != &odev.v && /* resize window? */ |
283 |
< |
(!FEQ(nv->horiz,odev.v.horiz) || |
284 |
< |
!FEQ(nv->vert,odev.v.vert))) { |
285 |
< |
int dw = DisplayWidth(ourdisplay,ourscreen); |
286 |
< |
int dh = DisplayHeight(ourdisplay,ourscreen); |
282 |
> |
if (nv != &odev.v) { |
283 |
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/* resize window? */ |
284 |
> |
if (!FEQ(nv->horiz,odev.v.horiz) || |
285 |
> |
!FEQ(nv->vert,odev.v.vert)) { |
286 |
> |
int dw = DisplayWidth(ourdisplay,ourscreen); |
287 |
> |
int dh = DisplayHeight(ourdisplay,ourscreen); |
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|
289 |
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dw -= 25; /* for window frame */ |
290 |
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dh -= 50; |
289 |
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dw -= 25; /* for window frame */ |
290 |
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dh -= 50; |
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#ifdef STEREO |
292 |
< |
dh /= 2; |
292 |
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dh /= 2; |
293 |
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#endif |
294 |
< |
odev.hres = 2.*VIEWDIST/pwidth * |
295 |
< |
tan(PI/180./2.*nv->horiz); |
296 |
< |
odev.vres = 2.*VIEWDIST/pheight * |
297 |
< |
tan(PI/180./2.*nv->vert); |
298 |
< |
if (odev.hres > dw) { |
299 |
< |
odev.vres = dw * odev.vres / odev.hres; |
300 |
< |
odev.hres = dw; |
294 |
> |
odev.hres = 2.*VIEWDIST/pwidth * |
295 |
> |
tan(PI/180./2.*nv->horiz); |
296 |
> |
odev.vres = 2.*VIEWDIST/pheight * |
297 |
> |
tan(PI/180./2.*nv->vert); |
298 |
> |
if (odev.hres > dw) { |
299 |
> |
odev.vres = dw * odev.vres / odev.hres; |
300 |
> |
odev.hres = dw; |
301 |
> |
} |
302 |
> |
if (odev.vres > dh) { |
303 |
> |
odev.hres = dh * odev.hres / odev.vres; |
304 |
> |
odev.vres = dh; |
305 |
> |
} |
306 |
> |
XResizeWindow(ourdisplay, gwind, odev.hres, odev.vres); |
307 |
> |
dev_input(); /* get resize event */ |
308 |
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} |
309 |
< |
if (odev.vres > dh) { |
295 |
< |
odev.hres = dh * odev.hres / odev.vres; |
296 |
< |
odev.vres = dh; |
297 |
< |
} |
298 |
< |
XResizeWindow(ourdisplay, gwind, odev.hres, odev.vres); |
299 |
< |
dev_input(); /* get resize event */ |
309 |
> |
odev.v = *nv; /* setview() already called */ |
310 |
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} |
301 |
– |
copystruct(&odev.v, nv); /* setview() already called */ |
302 |
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setglpersp(&odev.v); |
311 |
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#ifdef STEREO |
312 |
< |
copystruct(&vwright, nv); |
312 |
> |
vwright = *nv; |
313 |
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d = eyesepdist / sqrt(nv->hn2); |
314 |
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VSUM(vwright.vp, nv->vp, nv->hvec, d); |
315 |
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/* setview(&vwright); -- Unnecessary */ |
316 |
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#endif |
317 |
< |
checkglerr("setting view"); |
310 |
< |
wipeclean(); |
317 |
> |
wipeclean(0); |
318 |
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return(1); |
319 |
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} |
320 |
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|
321 |
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|
322 |
+ |
dev_section(gfn, pfn) /* add octree for geometry rendering */ |
323 |
+ |
char *gfn, *pfn; |
324 |
+ |
{ |
325 |
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/* unimplemented */ |
326 |
+ |
} |
327 |
+ |
|
328 |
+ |
|
329 |
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dev_auxcom(cmd, args) /* process an auxiliary command */ |
330 |
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char *cmd, *args; |
331 |
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{ |
381 |
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return; |
382 |
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} |
383 |
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#endif |
384 |
< |
smNewSamp(c, d, p); /* add to display representation */ |
371 |
< |
if (p != NULL) { |
384 |
> |
if (p != NULL) { /* add depth to our range */ |
385 |
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depth = (p[0] - odev.v.vp[0])*d[0] + |
386 |
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(p[1] - odev.v.vp[1])*d[1] + |
387 |
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(p[2] - odev.v.vp[2])*d[2]; |
392 |
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maxdpth = depth; |
393 |
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} |
394 |
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} |
395 |
+ |
smNewSamp(c, d, p); /* add to display representation */ |
396 |
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if (!--rayqleft) |
397 |
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dev_flush(); /* flush output */ |
398 |
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} |
401 |
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int |
402 |
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dev_flush() /* flush output */ |
403 |
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{ |
404 |
+ |
if (mapped) { |
405 |
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#ifdef STEREO |
406 |
< |
pushright(); /* update right eye */ |
407 |
< |
glClear(GL_DEPTH_BUFFER_BIT); |
393 |
< |
smUpdate(&vwright, 100); |
406 |
> |
pushright(); /* update right eye */ |
407 |
> |
smUpdate(&vwright, MAXQUALITY); |
408 |
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#ifdef DOBJ |
409 |
< |
dobj_render(); /* usually in foreground */ |
409 |
> |
dobj_render(); /* usually in foreground */ |
410 |
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#endif |
411 |
< |
popright(); /* update left eye */ |
398 |
< |
glClear(GL_DEPTH_BUFFER_BIT); |
411 |
> |
popright(); /* update left eye */ |
412 |
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#endif |
413 |
< |
smUpdate(&odev.v, 100); |
413 |
> |
smUpdate(&odev.v, MAXQUALITY); |
414 |
> |
checkglerr("rendering mesh"); |
415 |
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#ifdef DOBJ |
416 |
< |
dobj_render(); |
416 |
> |
dobj_render(); |
417 |
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#endif |
418 |
< |
glFlush(); /* flush OGL */ |
419 |
< |
checkglerr("flushing display"); |
418 |
> |
glFlush(); /* flush OGL */ |
419 |
> |
} |
420 |
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rayqleft = RAYQLEN; |
421 |
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/* flush X11 and return # pending */ |
422 |
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return(odev.inpready = XPending(ourdisplay)); |
447 |
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glPushMatrix(); |
448 |
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d = -eyesepdist / sqrt(odev.v.hn2); |
449 |
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glTranslated(d*odev.v.hvec[0], d*odev.v.hvec[1], d*odev.v.hvec[2]); |
450 |
+ |
checkglerr("setting right view"); |
451 |
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} |
452 |
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|
453 |
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|
500 |
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getkey(levptr(XKeyPressedEvent)); |
501 |
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break; |
502 |
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case ButtonPress: |
503 |
< |
getmove(levptr(XButtonPressedEvent)); |
503 |
> |
if (FRAMESTATE(levptr(XButtonPressedEvent)->state)) |
504 |
> |
getframe(levptr(XButtonPressedEvent)); |
505 |
> |
else |
506 |
> |
getmove(levptr(XButtonPressedEvent)); |
507 |
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break; |
508 |
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} |
509 |
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} |
519 |
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|
520 |
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|
521 |
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static |
522 |
< |
draw_grids() /* draw holodeck section grids */ |
522 |
> |
draw_grids(fore) /* draw holodeck section grids */ |
523 |
> |
int fore; |
524 |
|
{ |
525 |
< |
static BYTE gridrgba[4] = {0x0, 0xff, 0xff, 0x00}; |
526 |
< |
|
527 |
< |
if (!mapped) |
528 |
< |
return; |
510 |
< |
glColor4ub(gridrgba[0], gridrgba[1], gridrgba[2], gridrgba[3]); |
525 |
> |
if (fore) |
526 |
> |
glColor4ub(0, 255, 255, 0); |
527 |
> |
else |
528 |
> |
glColor4ub(0, 0, 0, 0); |
529 |
|
glBegin(GL_LINES); /* draw each grid line */ |
530 |
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gridlines(draw3dline); |
531 |
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glEnd(); |
532 |
+ |
checkglerr("drawing grid lines"); |
533 |
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} |
534 |
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|
535 |
+ |
static double |
536 |
+ |
getdistance(dx, dy, direc) /* distance from fore plane along view ray */ |
537 |
+ |
int dx, dy; |
538 |
+ |
FVECT direc; |
539 |
+ |
{ |
540 |
+ |
GLfloat gldepth; |
541 |
+ |
double dist; |
542 |
|
|
543 |
+ |
if (dx<0 | dx>=odev.hres | dy<0 | dy>=odev.vres) |
544 |
+ |
return(FHUGE); |
545 |
+ |
glReadPixels(dx,dy, 1,1, GL_DEPTH_COMPONENT,GL_FLOAT, &gldepth); |
546 |
+ |
if (gldepth <= FTINY) |
547 |
+ |
return (FHUGE); /* call failed */ |
548 |
+ |
dist = mapdepth(gldepth); |
549 |
+ |
if (dist >= .99*FHUGE) |
550 |
+ |
return(FHUGE); |
551 |
+ |
return((dist-odev.v.vfore)/DOT(direc,odev.v.vdir)); |
552 |
+ |
} |
553 |
+ |
|
554 |
+ |
|
555 |
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static |
556 |
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moveview(dx, dy, mov, orb) /* move our view */ |
557 |
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int dx, dy, mov, orb; |
558 |
|
{ |
559 |
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VIEW nv; |
560 |
|
FVECT odir, v1, wip; |
561 |
< |
double d; |
561 |
> |
double d,d1; |
562 |
|
register int li; |
563 |
|
/* start with old view */ |
564 |
< |
copystruct(&nv, &odev.v); |
565 |
< |
/* change view direction */ |
564 |
> |
nv = odev.v; |
565 |
> |
/* orient our motion */ |
566 |
|
if (viewray(v1, odir, &odev.v, |
567 |
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(dx+.5)/odev.hres, (dy+.5)/odev.vres) < -FTINY) |
568 |
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return(0); /* outside view */ |
569 |
< |
if (mov | orb) { |
569 |
> |
if (mov | orb) { /* moving relative to geometry */ |
570 |
> |
d = getdistance(dx, dy, odir);/*distance from front plane */ |
571 |
|
#ifdef DOBJ |
572 |
< |
d = dobj_trace(NULL, v1, odir); /* check objects */ |
573 |
< |
/* is holodeck in front? */ |
574 |
< |
if ((li = smFindSamp(v1, odir)) >= 0 && |
575 |
< |
(rsL.wp[li][0] - nv.vp[0])*odir[0] + |
537 |
< |
(rsL.wp[li][1] - nv.vp[1])*odir[1] + |
538 |
< |
(rsL.wp[li][2] - nv.vp[2])*odir[2] < d) |
539 |
< |
VCOPY(wip, rsL.wp[li]); |
540 |
< |
else if (d < .99*FHUGE) /* object is closer */ |
541 |
< |
VSUM(wip, nv.vp, odir, d); |
542 |
< |
else /* nothing visible */ |
543 |
< |
return(0); |
544 |
< |
#else |
545 |
< |
if ((li = smFindSamp(v1, odir)) < 0) |
546 |
< |
return(0); /* not on window */ |
547 |
< |
VCOPY(wip, rsL.wp[li]); |
572 |
> |
d1 = dobj_trace(NULL, v1, odir); /* check objects */ |
573 |
> |
/* check holodeck */ |
574 |
> |
if (d1 < d) |
575 |
> |
d = d1; |
576 |
|
#endif |
577 |
< |
VSUM(odir, wip, nv.vp, -1.); |
578 |
< |
} else |
577 |
> |
if (d >= .99*FHUGE) |
578 |
> |
d = 0.5*(dev_zmax+dev_zmin); /* just guess */ |
579 |
> |
VSUM(wip, v1, odir, d); |
580 |
> |
VSUB(odir, wip, odev.v.vp); |
581 |
> |
#if 0 |
582 |
> |
fprintf(stderr, "moveview: hit %s at (%f,%f,%f) (t=%f)\n", |
583 |
> |
li < 0 ? "object" : "mesh", |
584 |
> |
wip[0], wip[1], wip[2], |
585 |
> |
(wip[0]-odev.v.vp[0])*odir[0] + |
586 |
> |
(wip[1]-odev.v.vp[1])*odir[1] + |
587 |
> |
(wip[2]-odev.v.vp[2])*odir[2]); |
588 |
> |
#endif |
589 |
> |
} else /* panning with constant viewpoint */ |
590 |
|
VCOPY(nv.vdir, odir); |
591 |
|
if (orb && mov) { /* orbit left/right */ |
592 |
|
spinvector(odir, odir, nv.vup, d=MOVDEG*PI/180.*mov); |
605 |
|
} |
606 |
|
if (!mov ^ !orb && headlocked) { /* restore head height */ |
607 |
|
VSUM(v1, odev.v.vp, nv.vp, -1.); |
608 |
< |
d = DOT(v1, odev.v.vup); |
608 |
> |
d = DOT(v1, nv.vup); |
609 |
|
VSUM(nv.vp, nv.vp, odev.v.vup, d); |
610 |
|
} |
611 |
|
if (setview(&nv) != NULL) |
617 |
|
|
618 |
|
|
619 |
|
static |
620 |
+ |
getframe(ebut) /* get focus frame */ |
621 |
+ |
XButtonPressedEvent *ebut; |
622 |
+ |
{ |
623 |
+ |
int startx = ebut->x, starty = ebut->y; |
624 |
+ |
int endx, endy; |
625 |
+ |
|
626 |
+ |
XMaskEvent(ourdisplay, ButtonReleaseMask, levptr(XEvent)); |
627 |
+ |
endx = levptr(XButtonReleasedEvent)->x; |
628 |
+ |
endy = levptr(XButtonReleasedEvent)->y; |
629 |
+ |
if (endx == startx | endy == starty) { |
630 |
+ |
XBell(ourdisplay, 0); |
631 |
+ |
return; |
632 |
+ |
} |
633 |
+ |
if (endx < startx) {register int c = endx; endx = startx; startx = c;} |
634 |
+ |
if (endy < starty) {register int c = endy; endy = starty; starty = c;} |
635 |
+ |
sprintf(odev_args, "%.3f %.3f %.3f %.3f", |
636 |
+ |
(startx+.5)/odev.hres, 1.-(endy+.5)/odev.vres, |
637 |
+ |
(endx+.5)/odev.hres, 1.-(starty+.5)/odev.vres); |
638 |
+ |
inpresflags |= DFL(DC_FOCUS); |
639 |
+ |
} |
640 |
+ |
|
641 |
+ |
|
642 |
+ |
static |
643 |
|
getmove(ebut) /* get view change */ |
644 |
|
XButtonPressedEvent *ebut; |
645 |
|
{ |
646 |
|
int movdir = MOVDIR(ebut->button); |
647 |
|
int movorb = MOVORB(ebut->state); |
648 |
< |
int qlevel = 99; |
648 |
> |
int qlevel = MAXQUALITY-1; |
649 |
|
time_t lasttime, thistime; |
650 |
|
int nframes; |
651 |
|
Window rootw, childw; |
652 |
|
int rootx, rooty, wx, wy; |
653 |
|
unsigned int statemask; |
654 |
|
|
655 |
< |
XNoOp(ourdisplay); |
655 |
> |
XNoOp(ourdisplay); /* makes sure we're not idle */ |
656 |
|
|
657 |
< |
lasttime = time(0); nframes = 0; |
657 |
> |
nframes = 0; |
658 |
|
while (!XCheckMaskEvent(ourdisplay, |
659 |
|
ButtonReleaseMask, levptr(XEvent))) { |
660 |
< |
|
660 |
> |
/* get cursor position */ |
661 |
|
if (!XQueryPointer(ourdisplay, gwind, &rootw, &childw, |
662 |
|
&rootx, &rooty, &wx, &wy, &statemask)) |
663 |
|
break; /* on another screen */ |
664 |
|
|
665 |
+ |
draw_grids(0); /* clear old grid lines */ |
666 |
+ |
#ifdef STEREO |
667 |
+ |
pushright(); draw_grids(0); popright(); |
668 |
+ |
#endif |
669 |
+ |
/* compute view motion */ |
670 |
|
if (!moveview(wx, odev.vres-1-wy, movdir, movorb)) { |
671 |
|
sleep(1); |
672 |
|
lasttime++; |
673 |
< |
continue; |
673 |
> |
continue; /* cursor in bad place */ |
674 |
|
} |
675 |
+ |
draw_grids(1); /* redraw grid */ |
676 |
|
#ifdef STEREO |
677 |
|
pushright(); |
678 |
< |
glClear(GL_COLOR_BUFFER_BIT); |
611 |
< |
draw_grids(); |
678 |
> |
draw_grids(1); |
679 |
|
smUpdate(&vwright, qlevel); |
680 |
|
#ifdef DOBJ |
681 |
|
dobj_render(); |
682 |
|
#endif |
683 |
|
popright(); |
684 |
|
#endif |
685 |
< |
glClear(GL_COLOR_BUFFER_BIT); |
619 |
< |
draw_grids(); |
685 |
> |
/* redraw mesh */ |
686 |
|
smUpdate(&odev.v, qlevel); |
687 |
|
#ifdef DOBJ |
688 |
< |
dobj_render(); |
688 |
> |
dobj_render(); /* redraw object */ |
689 |
|
#endif |
690 |
|
glFlush(); |
691 |
< |
checkglerr("moving view"); |
692 |
< |
nframes++; |
691 |
> |
/* figure out good quality level */ |
692 |
> |
if (!nframes++) { /* ignore first frame */ |
693 |
> |
lasttime = time(0); |
694 |
> |
continue; |
695 |
> |
} |
696 |
|
thistime = time(0); |
697 |
< |
if (thistime - lasttime >= 3 || |
697 |
> |
if (thistime - lasttime >= 6 || |
698 |
|
nframes > (int)(3*3*TARGETFPS)) { |
699 |
< |
qlevel = thistime<=lasttime ? 1000 : |
699 |
> |
qlevel = thistime<=lasttime ? 3*MAXQUALITY : |
700 |
|
(int)((double)nframes/(thistime-lasttime) |
701 |
|
/ TARGETFPS * qlevel + 0.5); |
702 |
< |
lasttime = thistime; nframes = 0; |
703 |
< |
if (qlevel > 99) { |
704 |
< |
if (qlevel > 300) { /* put on the brakes */ |
702 |
> |
nframes = 0; |
703 |
> |
if (qlevel >= MAXQUALITY) { |
704 |
> |
if (qlevel >= 3*MAXQUALITY) { /* brakes!! */ |
705 |
|
sleep(1); |
706 |
|
lasttime++; |
707 |
|
} |
708 |
< |
qlevel = 99; |
708 |
> |
qlevel = MAXQUALITY-1; |
709 |
|
} else if (qlevel < 1) |
710 |
|
qlevel = 1; |
711 |
|
} |
726 |
|
double d, xmin, xmax, ymin, ymax; |
727 |
|
|
728 |
|
if (mindpth >= maxdpth) { |
729 |
< |
dev_zmin = 0.1; |
729 |
> |
dev_zmin = 1.; |
730 |
|
dev_zmax = 100.; |
731 |
|
} else { |
732 |
< |
dev_zmin = 0.5*mindpth; |
733 |
< |
dev_zmax = 1.5*maxdpth; |
665 |
< |
if (dev_zmin > dev_zmax/100.) |
666 |
< |
dev_zmin = dev_zmax/100.; |
732 |
> |
dev_zmin = 0.1*mindpth; |
733 |
> |
dev_zmax = 5.0*maxdpth; |
734 |
|
} |
735 |
|
if (odev.v.vfore > FTINY) |
736 |
|
dev_zmin = odev.v.vfore; |
737 |
|
if (odev.v.vaft > FTINY) |
738 |
|
dev_zmax = odev.v.vaft; |
739 |
< |
if (dev_zmin < dev_zmax/5000.) |
740 |
< |
dev_zmin = dev_zmax/5000.; |
739 |
> |
if (dev_zmin*500. < dev_zmax) |
740 |
> |
dev_zmax = dev_zmin*500.; |
741 |
|
xmax = dev_zmin * tan(PI/180./2. * odev.v.horiz); |
742 |
|
xmin = -xmax; |
743 |
|
d = odev.v.hoff * (xmax - xmin); |
755 |
|
odev.v.vp[1] + odev.v.vdir[1], |
756 |
|
odev.v.vp[2] + odev.v.vdir[2], |
757 |
|
odev.v.vup[0], odev.v.vup[1], odev.v.vup[2]); |
758 |
+ |
checkglerr("setting perspective view"); |
759 |
|
} |
760 |
|
|
761 |
|
|
762 |
|
static |
763 |
< |
wipeclean() /* prepare for redraw */ |
763 |
> |
wipeclean(tmflag) /* prepare for redraw */ |
764 |
> |
int tmflag; |
765 |
|
{ |
766 |
+ |
/* clear depth buffer */ |
767 |
|
#ifdef STEREO |
768 |
|
setstereobuf(STEREO_BUFFER_RIGHT); |
769 |
|
glClear(GL_DEPTH_BUFFER_BIT); |
770 |
|
setstereobuf(STEREO_BUFFER_LEFT); |
771 |
|
#endif |
772 |
|
glClear(GL_DEPTH_BUFFER_BIT); |
773 |
< |
smClean(); |
773 |
> |
smClean(tmflag); /* reset drawing routines */ |
774 |
> |
setglpersp(&odev.v); /* reset view & clipping planes */ |
775 |
|
} |
776 |
|
|
777 |
|
|
779 |
|
getkey(ekey) /* get input key */ |
780 |
|
register XKeyPressedEvent *ekey; |
781 |
|
{ |
782 |
+ |
Window rootw, childw; |
783 |
+ |
int rootx, rooty, wx, wy; |
784 |
+ |
unsigned int statemask; |
785 |
|
int n; |
786 |
|
char buf[8]; |
787 |
|
|
804 |
|
case 'v': /* spit out view */ |
805 |
|
inpresflags |= DFL(DC_GETVIEW); |
806 |
|
return; |
807 |
+ |
case 'f': /* frame view position */ |
808 |
+ |
if (!XQueryPointer(ourdisplay, gwind, &rootw, &childw, |
809 |
+ |
&rootx, &rooty, &wx, &wy, &statemask)) |
810 |
+ |
return; /* on another screen */ |
811 |
+ |
sprintf(odev_args, "%.4f %.4f", (wx+.5)/odev.hres, |
812 |
+ |
1.-(wy+.5)/odev.vres); |
813 |
+ |
inpresflags |= DFL(DC_FOCUS); |
814 |
+ |
return; |
815 |
+ |
case 'F': /* unfocus */ |
816 |
+ |
odev_args[0] = '\0'; |
817 |
+ |
inpresflags |= DFL(DC_FOCUS); |
818 |
+ |
return; |
819 |
|
case '\n': |
820 |
|
case '\r': /* resume computation */ |
821 |
|
inpresflags |= DFL(DC_RESUME); |
822 |
|
return; |
823 |
|
case CTRL('R'): /* redraw screen */ |
824 |
< |
wipeclean(); |
824 |
> |
wipeclean(1); |
825 |
|
return; |
826 |
|
case CTRL('L'): /* refresh from server */ |
827 |
|
if (inpresflags & DFL(DC_REDRAW)) |
828 |
|
return; |
829 |
+ |
setglpersp(&odev.v); /* reset clipping planes */ |
830 |
|
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
831 |
< |
glDisable(GL_DEPTH_TEST); |
832 |
< |
draw_grids(); |
831 |
> |
glDisable(GL_DEPTH_TEST); /* so grids will clear */ |
832 |
> |
draw_grids(1); |
833 |
|
#ifdef STEREO |
834 |
|
pushright(); |
835 |
|
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); |
836 |
< |
draw_grids(); |
836 |
> |
draw_grids(1); |
837 |
|
popright(); |
838 |
|
#endif |
839 |
|
glEnable(GL_DEPTH_TEST); |
871 |
|
} |
872 |
|
if (eexp->count) /* wait for final exposure */ |
873 |
|
return; |
874 |
< |
wipeclean(); /* clear depth */ |
874 |
> |
wipeclean(0); /* clear depth */ |
875 |
|
} |
876 |
|
|
877 |
|
|