From a84060fda7982ccf7f8f582d511a41b636cc6739 Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@users.noreply.github.com>
Date: Tue, 30 Mar 2021 21:51:37 +0200
Subject: [PATCH] - SW: mark sector as dirty in wallmove.

---
 source/games/sw/src/wallmove.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/source/games/sw/src/wallmove.cpp b/source/games/sw/src/wallmove.cpp
index c776db66a..692b4af38 100644
--- a/source/games/sw/src/wallmove.cpp
+++ b/source/games/sw/src/wallmove.cpp
@@ -123,6 +123,7 @@ int DoWallMove(SPRITEp sp)
             {
                 wallp->x = sp->x + nx;
                 wallp->y = sp->y + ny;
+                sector[wallp->sector].dirty = 255;
             }
 
             if (shade1)