From b5a5d24bf434f7092e3a21145981580fa68165dc Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@users.noreply.github.com>
Date: Sun, 23 Jan 2022 12:51:14 +0100
Subject: [PATCH] - SW: fixed Polymost sky panning

---
 source/build/src/polymost.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/source/build/src/polymost.cpp b/source/build/src/polymost.cpp
index c6290f544..f260bd2ad 100644
--- a/source/build/src/polymost.cpp
+++ b/source/build/src/polymost.cpp
@@ -1314,13 +1314,13 @@ static void polymost_flatskyrender(FVector2 const* const dpxy, int32_t const n,
 
     int remap = TRANSLATION(Translation_Remap + curbasepal, globalpal);
     globalskytex = skytile? nullptr : GetSkyTexture(globalpicnum, dapskybits, dapskyoff, remap);
-    int realskybits = dapskybits;
+    int realskybits = dapskybits; 
     if (globalskytex)
     {
         dapskybits = 0;
     }
 
-    dapyoffs = isDuke() && globalpicnum == 89 ? 17 * 1024 : 32 * 1024;
+    dapyoffs = isSWALL()? 16*1024 : isDuke() && globalpicnum == 89 ? 17 * 1024 : 32 * 1024;
     ghoriz = (qglobalhoriz*(1.f/65536.f)-float(ydimen>>1))*dapyoffs*(1.f/65536.f)+float(ydimen>>1)+ghorizcorrect;
 
     float const dd = fxdimen*.0000001f; //Adjust sky depth based on screen size!