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m32 aim: fixes a bug with polymer overwalls

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git-svn-id: https://svn.eduke32.com/eduke32@1483 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
helixhorned 2009-07-31 20:44:28 +00:00
parent 0da3edba58
commit 03d92eb1d1
1 changed files with 25 additions and 9 deletions
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34
polymer/eduke32/build/src/polymer.c
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@ -1970,22 +1970,38 @@ void polymer_alt_editorselect(void)
continue; continue;
{ {
_prplane *wp = &w->wall;
int8_t what; int8_t what;
GLfloat *pl = wp->plane; GLfloat *pl = NULL;
GLdouble a=pl[0], b=pl[1], c=pl[2], d=pl[3]; GLfloat nnormsq, nnorm, npl[3];
GLdouble nnormsq = a*a + b*b + c*c;
GLdouble nnorm = sqrt(nnormsq);
GLfloat t, svcoeff, dist; GLfloat t, svcoeff, dist;
GLfloat npl[3] = {a/nnorm, b/nnorm, c/nnorm}; j = 0;
do
{
if (j==0 && (w->underover&1))
pl = w->wall.plane;
else if (j==1 && (w->underover&2))
pl = w->over.plane;
else if (j==2 && ((wal->cstat&16) || (wal->cstat&32)))
pl = w->mask.plane;
j++;
}
while (j<3 && (!pl || dot3f(pl,pl)==0.0));
if (!pl || (nnormsq = dot3f(pl,pl))==0.0)
continue;
nnorm = sqrt(nnormsq);
npl[0]=pl[0]/nnorm;
npl[1]=pl[1]/nnorm;
npl[2]=pl[2]/nnorm;
t = dot3f(pl,scrv); t = dot3f(pl,scrv);
if (t==0) if (t==0)
continue; continue;
svcoeff = -(dot3f(pl,scr)+d)/t; svcoeff = -(dot3f(pl,scr)+pl[3])/t;
if (svcoeff < 0) if (svcoeff < 0)
continue; continue;
@ -2004,10 +2020,10 @@ void polymer_alt_editorselect(void)
tp[1] = scry + svcoeff*scrv[1]; tp[1] = scry + svcoeff*scrv[1];
tp[2] = scrz + svcoeff*scrv[2]; tp[2] = scrz + svcoeff*scrv[2];
pp=wp; pp=&w->wall;
if (what==0) if (what==0)
{ {
if (wal->nextsector>=0 && !(w->underover&1)) if (!(w->underover&1))
continue; continue;
} }
else if (what==1) else if (what==1)