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Code Issues Releases Wiki Activity

correct ordering of plain floors when z-ordering cannot be trusted in SVG or with alpha

This commit is contained in:
Zeno Rogue 2023-05-30 18:42:18 +02:00
parent 2153626309
commit 61610282ca
1 changed files with 19 additions and 0 deletions
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19
drawing.cpp
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@ -2582,6 +2582,25 @@ EX void drawqueue() {
});
}
if(draw_plain_floors && (default_flooralpha < 255 || svg::in)) for(PPR p: {PPR::FLOOR}) {
int pp = int(p);
if(qp0[pp] == qp[pp]) continue;
auto get_z = [&] (const unique_ptr<drawqueueitem>& p) -> ld {
auto d = dynamic_cast<dqi_poly*> (&*p);
if(!d) return 0;
hyperpoint h = Hypc;
for(int i=0; i<d->cnt; i++) h += glhr::gltopoint( (*d->tab)[d->offset + i] );
h /= d->cnt; normalize(h);
h = unshift(d->V) * h;
return h[2];
};
sort(&ptds[qp0[int(p)]], &ptds[qp[int(p)]],
[&] (const unique_ptr<drawqueueitem>& p1, const unique_ptr<drawqueueitem>& p2) {
return get_z(p1) > get_z(p2);
});
}
#if CAP_SDL
if(current_display->stereo_active() && !vid.usingGL) {