From 61af682be9863f69b4135f7fb42990782d2a730a Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@zdoom.fake>
Date: Tue, 27 Aug 2013 23:53:14 +0200
Subject: [PATCH] - made some alterations to last commit after reviewing how
 the broken code managed to get into GZDoom.

---
 src/gl/scene/gl_walls.cpp | 17 ++---------------
 1 file changed, 2 insertions(+), 15 deletions(-)

diff --git a/src/gl/scene/gl_walls.cpp b/src/gl/scene/gl_walls.cpp
index 64d3d02d5..6c8b32766 100644
--- a/src/gl/scene/gl_walls.cpp
+++ b/src/gl/scene/gl_walls.cpp
@@ -760,21 +760,8 @@ void GLWall::DoTexture(int _type,seg_t * seg, int peg,
 
 	type = (seg->linedef->special == Line_Mirror && _type == RENDERWALL_M1S && gl_mirrors) ? RENDERWALL_MIRROR : _type;
 
-	float f1 = FIXED2FLOAT(ceilingrefheight);
-	float f2 = FIXED2FLOAT(tci.RowOffset(seg->sidedef->GetTextureYOffset(texpos)));
-	float f3 = 0;
-	
-	if (peg)
-	{
-		int foo = (gltexture->TextureHeight(GLUSE_TEXTURE) << 17) / tci.mTempScaleY; 
-		fixed_t of = (foo >> 1) + (foo & 1); 
-		f3 = of - FIXED2FLOAT(lh - v_offset);
-
-		float f3a = FIXED2FLOAT((peg ? (gltexture->TextureHeight(GLUSE_TEXTURE)<<FRACBITS)*tci.mTempScaleY-lh-v_offset:0));
-		int a = 0;
-	}
-
-	float floatceilingref = f1+f2+f3;
+	float floatceilingref = FIXED2FLOAT(ceilingrefheight + tci.RowOffset(seg->sidedef->GetTextureYOffset(texpos)));
+	if (peg) floatceilingref += tci.mRenderHeight - FIXED2FLOAT(lh + v_offset);
 
 	if (!SetWallCoordinates(seg, &tci, floatceilingref, topleft, topright, bottomleft, bottomright, 
 							seg->sidedef->GetTextureXOffset(texpos))) return;