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root/radiance/ray/src/hd/rhdisp3.c
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Comparing ray/src/hd/rhdisp3.c (file contents):
Revision 3.13 by greg, Wed Apr 23 00:52:33 2003 UTC vs.
Revision 3.17 by greg, Wed Jan 24 04:39:52 2018 UTC

# Line 7 | Line 7 | static const char      RCSid[] = "$Id$";
7  
8   #include "rholo.h"
9   #include "rhdisp.h"
10 – #include "view.h"
10  
11   struct cellist {
12          GCOORD  *cl;
# Line 38 | Line 37 | int    bi;
37                  pf[i] = 0.5*(cp[0][i] + cp[2][i]);
38          sf2 = 0.25*dist2(cp[0], cp[2]); /* compute half diagonal length */
39          for (i = 0; i < 4; i++) {       /* compute visible quad */
40 <                viewloc(ip[i], vp, cp[i]);
42 <                if (ip[i][2] < 0.) {
40 >                if (viewloc(ip[i], vp, cp[i]) <= 0) {
41                          af = 0;
42                          goto getback;
43                  }
# Line 53 | Line 51 | int    bi;
51                  (ip[1][0]-ip[3][0])*(ip[2][1]-ip[3][1]);
52          af *= af >= 0 ? 0.5 : -0.5;
53   getback:
54 <        copystruct(&vrev, vp);          /* compute reverse view */
54 >        vrev = *vp;             /* compute reverse view */
55          for (i = 0; i < 3; i++) {
56                  vrev.vdir[i] = -vp->vdir[i];
57                  vrev.vup[i] = -vp->vup[i];
# Line 65 | Line 63 | getback:
63                  pb[i] = 0.5*(cp[0][i] + cp[2][i]);
64          sb2 = 0.25*dist2(cp[0], cp[2]); /* compute half diagonal length */
65          for (i = 0; i < 4; i++) {       /* compute visible quad */
66 <                viewloc(ip[i], &vrev, cp[i]);
69 <                if (ip[i][2] < 0.) {
66 >                if (viewloc(ip[i], &vrev, cp[i]) <= 0) {
67                          ab = 0;
68                          goto finish;
69                  }
# Line 239 | Line 236 | addcell(gcp, cl)               /* add a cell to a list */
236   GCOORD  *gcp;
237   register struct cellist *cl;
238   {
239 <        copystruct(cl->cl+cl->n, gcp);
239 >        *(cl->cl+cl->n) = *gcp;
240          cl->n++;
241          return(1);
242   }
# Line 304 | Line 301 | memerr:
301   }
302  
303  
304 < gridlines(f)                    /* run through holodeck section grid lines */
305 < int     (*f)();
304 > extern void
305 > gridlines(                      /* run through holodeck section grid lines */
306 >        void    (*f)(FVECT wp[2])
307 > )
308   {
309          register int    hd, w, i;
310          int     g0, g1;

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