From cb9f2e2eb07196da13d2f290726bb7fe4c00015b Mon Sep 17 00:00:00 2001
From: Rachael Alexanderson <eruanna@drdteam.org>
Date: Fri, 10 Mar 2017 00:18:20 -0500
Subject: [PATCH] - fixed: P_AlignFlat's y-offset data was ignored when
 calculating plane offsets for the final render

---
 src/swrenderer/plane/r_flatplane.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/swrenderer/plane/r_flatplane.cpp b/src/swrenderer/plane/r_flatplane.cpp
index b3c695c78..a086cd323 100644
--- a/src/swrenderer/plane/r_flatplane.cpp
+++ b/src/swrenderer/plane/r_flatplane.cpp
@@ -69,7 +69,7 @@ namespace swrenderer
 		{
 			double cosine = cos(planeang), sine = sin(planeang);
 			pviewx = pl->xform.xOffs + ViewPos.X * cosine - ViewPos.Y * sine;
-			pviewy = pl->xform.yOffs - ViewPos.X * sine - ViewPos.Y * cosine;
+			pviewy = pl->xform.yOffs + pl->xform.baseyOffs - ViewPos.X * sine - ViewPos.Y * cosine;
 		}
 		else
 		{