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Mapping error workaround

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This commit is contained in:
Magnus Norddahl 2016-11-16 01:13:29 +01:00
parent a092a03c6d
commit 449d4963ae
1 changed files with 23 additions and 3 deletions
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22
src/r_poly_wall.cpp
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@ -228,9 +228,29 @@ void RenderPolyWall::ClampHeight(TriVertex &v1, TriVertex &v2)
FTexture *RenderPolyWall::GetTexture()
{
FTexture *tex = TexMan(Line->sidedef->GetTexture(Texpart), true);
if (tex == nullptr || tex->UseType == FTexture::TEX_Null)
{
// Mapping error. Doom floodfills this with a plane.
// This code doesn't do that, but at least it uses the "right" texture..
if (Line->linedef && Line->backsector && Line->linedef->sidedef[0] == Line->sidedef)
{
if (Texpart == side_t::top)
tex = TexMan(Line->linedef->backsector->GetTexture(sector_t::ceiling), true);
else if (Texpart == side_t::bottom)
tex = TexMan(Line->linedef->backsector->GetTexture(sector_t::floor), true);
}
if (Line->linedef && Line->backsector && Line->linedef->sidedef[1] == Line->sidedef)
{
if (Texpart == side_t::top)
tex = TexMan(Line->linedef->frontsector->GetTexture(sector_t::ceiling), true);
else if (Texpart == side_t::bottom)
tex = TexMan(Line->linedef->frontsector->GetTexture(sector_t::floor), true);
}
if (tex == nullptr || tex->UseType == FTexture::TEX_Null)
return nullptr;
else
}
return tex;
}