diff --git a/source/core/rendering/hw_vertexmap.cpp b/source/core/rendering/hw_vertexmap.cpp
index ee72e004f..0dfa22b55 100644
--- a/source/core/rendering/hw_vertexmap.cpp
+++ b/source/core/rendering/hw_vertexmap.cpp
@@ -162,8 +162,8 @@ void vertex_t::RecalcVertexHeights()
 	{
 		float heights[2];
 
-		auto point = wall[masterwall].wall_int_pos();
-		PlanesAtPoint(&sector[sect], point.X, point.Y, &heights[0], &heights[1]);
+		auto point = wall[masterwall].pos;
+		PlanesAtPointf(&sector[sect], point.X, point.Y, &heights[0], &heights[1]);
 		for(auto height : heights)
 		{
 			int k;
diff --git a/source/core/rendering/scene/hw_bunchdrawer.cpp b/source/core/rendering/scene/hw_bunchdrawer.cpp
index 4b7ab7f1d..23c8bafa3 100644
--- a/source/core/rendering/scene/hw_bunchdrawer.cpp
+++ b/source/core/rendering/scene/hw_bunchdrawer.cpp
@@ -168,11 +168,11 @@ bool BunchDrawer::CheckClip(walltype* wal, float* topclip, float* bottomclip)
 	// Mirrors and horizons always block the view
 	//if (linedef->special==Line_Mirror || linedef->special==Line_Horizon) return true;
 
-	PlanesAtPoint(frontsector, wal->wall_int_pos().X, wal->wall_int_pos().Y, &fs_ceilingheight1, &fs_floorheight1);
-	PlanesAtPoint(frontsector, pt2->wall_int_pos().X, pt2->wall_int_pos().Y, &fs_ceilingheight2, &fs_floorheight2);
+	PlanesAtPointf(frontsector, wal->pos.X, wal->pos.Y, &fs_ceilingheight1, &fs_floorheight1);
+	PlanesAtPointf(frontsector, pt2->pos.X, pt2->pos.Y, &fs_ceilingheight2, &fs_floorheight2);
 
-	PlanesAtPoint(backsector, wal->wall_int_pos().X, wal->wall_int_pos().Y, &bs_ceilingheight1, &bs_floorheight1);
-	PlanesAtPoint(backsector, pt2->wall_int_pos().X, pt2->wall_int_pos().Y, &bs_ceilingheight2, &bs_floorheight2);
+	PlanesAtPointf(backsector, wal->pos.X, wal->pos.Y, &bs_ceilingheight1, &bs_floorheight1);
+	PlanesAtPointf(backsector, pt2->pos.X, pt2->pos.Y, &bs_ceilingheight2, &bs_floorheight2);
 
 	*bottomclip = max(min(bs_floorheight1, bs_floorheight2), min(fs_floorheight1, fs_floorheight2));
 
diff --git a/source/core/rendering/scene/hw_flats.cpp b/source/core/rendering/scene/hw_flats.cpp
index 52200837b..547ae5959 100644
--- a/source/core/rendering/scene/hw_flats.cpp
+++ b/source/core/rendering/scene/hw_flats.cpp
@@ -316,7 +316,7 @@ void HWFlat::ProcessSector(HWDrawInfo *di, sectortype * frontsector, int section
 	const auto &vp = di->Viewpoint;
 
 	float florz, ceilz;
-	PlanesAtPoint(frontsector, float(vp.Pos.X) * 16.f, float(vp.Pos.Y) * -16.f, &ceilz, &florz);
+	PlanesAtPointf(frontsector, vp.Pos.X, -vp.Pos.Y, &ceilz, &florz);
 
 	visibility = sectorVisibility(frontsector);
 	sec = frontsector;
diff --git a/source/core/rendering/scene/hw_walls.cpp b/source/core/rendering/scene/hw_walls.cpp
index ab5c0da6b..b1bb2979d 100644
--- a/source/core/rendering/scene/hw_walls.cpp
+++ b/source/core/rendering/scene/hw_walls.cpp
@@ -914,8 +914,8 @@ void HWWall::Process(HWDrawInfo* di, walltype* wal, sectortype* frontsector, sec
 	FVector2 v1(WallStartX(wal), WallStartY(wal));
 	FVector2 v2(WallEndX(wal), WallEndY(wal));
 
-	PlanesAtPoint(frontsector, wal->wall_int_pos().X, wal->wall_int_pos().Y, &fch1, &ffh1);
-	PlanesAtPoint(frontsector, p2wall->wall_int_pos().X, p2wall->wall_int_pos().Y, &fch2, &ffh2);
+	PlanesAtPointf(frontsector, wal->pos.X, wal->pos.Y, &fch1, &ffh1);
+	PlanesAtPointf(frontsector, p2wall->pos.X, p2wall->pos.Y, &fch2, &ffh2);
 
 
 #ifdef _DEBUG
@@ -1008,8 +1008,8 @@ void HWWall::Process(HWDrawInfo* di, walltype* wal, sectortype* frontsector, sec
 		float bfh2;
 		float bch1;
 		float bch2;
-		PlanesAtPoint(backsector, wal->wall_int_pos().X, wal->wall_int_pos().Y, &bch1, &bfh1);
-		PlanesAtPoint(backsector, p2wall->wall_int_pos().X, p2wall->wall_int_pos().Y, &bch2, &bfh2);
+		PlanesAtPointf(backsector, wal->pos.X, wal->pos.Y, &bch1, &bfh1);
+		PlanesAtPointf(backsector, p2wall->pos.X, p2wall->pos.Y, &bch2, &bfh2);
 
 		SkyTop(di, wal, frontsector, backsector, v1, v2, fch1, fch2);
 		SkyBottom(di, wal, frontsector, backsector, v1, v2, ffh1, ffh2);
diff --git a/source/core/sectorgeometry.cpp b/source/core/sectorgeometry.cpp
index 4f508976c..05a1448ee 100644
--- a/source/core/sectorgeometry.cpp
+++ b/source/core/sectorgeometry.cpp
@@ -63,8 +63,8 @@ static FVector3 CalcNormal(sectortype* sector, int plane)
 
 	pt[0] = { (float)WallStartX(wal), 0.f, (float)WallStartY(wal)};
 	pt[1] = { (float)WallStartX(wal2), 0.f, (float)WallStartY(wal2)};
-	PlanesAtPoint(sector, wal->wall_int_pos().X, wal->wall_int_pos().Y, plane ? &pt[0].Z : nullptr, plane? nullptr : &pt[0].Y);
-	PlanesAtPoint(sector, wal2->wall_int_pos().X, wal2->wall_int_pos().Y, plane ? &pt[1].Z : nullptr, plane ? nullptr : &pt[1].Y);
+	PlanesAtPointf(sector, wal->pos.X, wal->pos.Y, plane ? &pt[0].Z : nullptr, plane? nullptr : &pt[0].Y);
+	PlanesAtPointf(sector, wal2->pos.X, wal2->pos.Y, plane ? &pt[1].Z : nullptr, plane ? nullptr : &pt[1].Y);
 
 	if (pt[0].X == pt[1].X)
 	{
@@ -77,7 +77,7 @@ static FVector3 CalcNormal(sectortype* sector, int plane)
 		pt[2].X = pt[0].X;
 		pt[2].Z = pt[0].Z + 4;
 	}
-	PlanesAtPoint(sector, pt[2].X * 16, pt[2].Z * -16, plane ? &pt[2].Z : nullptr, plane ? nullptr : &pt[2].Y);
+	PlanesAtPointf(sector, pt[2].X, -pt[2].Z, plane ? &pt[2].Y : nullptr, plane ? nullptr : &pt[2].Y);
 
 	auto normal = ((pt[2] - pt[0]) ^ (pt[1] - pt[0])).Unit();
 	if ((normal.Y < 0 && !plane) || (normal.Y > 0 && plane)) return -normal;
@@ -453,7 +453,7 @@ void SectionGeometry::CreatePlaneMesh(Section* section, int plane, const FVector
 		auto& tc = entry.texcoords[i];
 
 		pt.X = org.X; pt.Y = org.Y;
-		PlanesAtPoint(sectorp, (pt.X * 16), (pt.Y * -16), plane ? &pt.Z : nullptr, !plane ? &pt.Z : nullptr);
+		PlanesAtPointf(sectorp, pt.X, -pt.Y, plane ? &pt.Z : nullptr, !plane ? &pt.Z : nullptr);
 		tc = uvcalc.GetUV(int(pt.X * 16.), int(pt.Y * -16.), pt.Z);
 	}
 	sectorp->setfloorz(fz, true);