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- another small optimization

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This commit is contained in:
Christoph Oelckers 2018-06-19 10:40:50 +02:00
parent 12ad0caec0
commit ae7053ee98
1 changed files with 5 additions and 4 deletions
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9
src/hwrenderer/scene/hw_walls.cpp
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@ -444,10 +444,11 @@ bool GLWall::DoHorizon(HWDrawInfo *di, seg_t * seg,sector_t * fs, vertex_t * v1,
ztop[1] = ztop[0] = fs->GetPlaneTexZ(sector_t::ceiling);
zbottom[1] = zbottom[0] = fs->GetPlaneTexZ(sector_t::floor);
if (r_viewpoint.Pos.Z < fs->GetPlaneTexZ(sector_t::ceiling))
auto vpz = r_viewpoint.Pos.Z;
if (vpz < fs->GetPlaneTexZ(sector_t::ceiling))
{
if (r_viewpoint.Pos.Z > fs->GetPlaneTexZ(sector_t::floor))
zbottom[1] = zbottom[0] = r_viewpoint.Pos.Z;
if (vpz > fs->GetPlaneTexZ(sector_t::floor))
zbottom[1] = zbottom[0] = vpz;
if (fs->GetTexture(sector_t::ceiling) == skyflatnum)
{
@ -475,7 +476,7 @@ bool GLWall::DoHorizon(HWDrawInfo *di, seg_t * seg,sector_t * fs, vertex_t * v1,
ztop[1] = ztop[0] = zbottom[0];
}
if (r_viewpoint.Pos.Z > fs->GetPlaneTexZ(sector_t::floor))
if (vpz > fs->GetPlaneTexZ(sector_t::floor))
{
zbottom[1] = zbottom[0] = fs->GetPlaneTexZ(sector_t::floor);
if (fs->GetTexture(sector_t::floor) == skyflatnum)