From fe4c95a03ebddb14af23c726ab2f9cb0635ff963 Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@users.noreply.github.com>
Date: Wed, 16 Mar 2022 08:06:59 +0100
Subject: [PATCH] - fixed order of slope creation so that slope copies are the
 last thing being done.

---
 src/maploader/slopes.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/maploader/slopes.cpp b/src/maploader/slopes.cpp
index 2fb44e628..b5ef8d761 100644
--- a/src/maploader/slopes.cpp
+++ b/src/maploader/slopes.cpp
@@ -417,6 +417,7 @@ void MapLoader::SpawnSlopeMakers (FMapThing *firstmt, FMapThing *lastmt, const i
 			mt->EdNum = 0;
 		}
 	}
+	SetSlopesFromVertexHeights(firstmt, lastmt, oldvertextable);
 
 	for (mt = firstmt; mt < lastmt; ++mt)
 	{
@@ -428,7 +429,6 @@ void MapLoader::SpawnSlopeMakers (FMapThing *firstmt, FMapThing *lastmt, const i
 		}
 	}
 
-	SetSlopesFromVertexHeights(firstmt, lastmt, oldvertextable);
 }