From ce6d8f4ad1f4b61ab999f336665ee405b4f2b5c2 Mon Sep 17 00:00:00 2001
From: DoutorWhite <68350815+DoutorWhite@users.noreply.github.com>
Date: Mon, 11 Mar 2024 04:07:24 +1100
Subject: [PATCH] Cherry-picked commit 717da4a8f3b6d68cb17d6bf75c84eae6ce46e1b5
 from space-wizards/space-station-14/master

---
 Content.Client/Movement/Systems/FloorOcclusionSystem.cs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/Content.Client/Movement/Systems/FloorOcclusionSystem.cs b/Content.Client/Movement/Systems/FloorOcclusionSystem.cs
index 27ba99b3aa3..5c75f25ca2d 100644
--- a/Content.Client/Movement/Systems/FloorOcclusionSystem.cs
+++ b/Content.Client/Movement/Systems/FloorOcclusionSystem.cs
@@ -43,9 +43,14 @@ protected override void SetEnabled(EntityUid uid, FloorOcclusionComponent compon
 
     private void SetShader(SpriteComponent sprite, bool enabled)
     {
+        var shader = _proto.Index<ShaderPrototype>("HorizontalCut").Instance();
+
+        if (sprite.PostShader is not null && sprite.PostShader != shader)
+            return;
+
         if (enabled)
         {
-            sprite.PostShader = _proto.Index<ShaderPrototype>("HorizontalCut").Instance();
+            sprite.PostShader = shader;
         }
         else
         {