From 9518ce1d0ac1d6df30eb7f8c2c6f387618876361 Mon Sep 17 00:00:00 2001
From: Wojtek Figat <wojtek@figat.pl>
Date: Fri, 19 Jul 2024 00:30:21 +0200
Subject: [PATCH] Fix physics error when disabling terrain

---
 Source/Engine/Terrain/Terrain.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Source/Engine/Terrain/Terrain.cpp b/Source/Engine/Terrain/Terrain.cpp
index 66ecbd377..53881e210 100644
--- a/Source/Engine/Terrain/Terrain.cpp
+++ b/Source/Engine/Terrain/Terrain.cpp
@@ -831,6 +831,15 @@ void Terrain::OnDisable()
 #if TERRAIN_USE_PHYSICS_DEBUG
     GetSceneRendering()->RemovePhysicsDebug<Terrain, &Terrain::DrawPhysicsDebug>(this);
 #endif
+    void* scene = GetPhysicsScene()->GetPhysicsScene();
+    for (int32 i = 0; i < _patches.Count(); i++)
+    {
+        auto patch = _patches[i];
+        if (patch->_physicsActor)
+        {
+            PhysicsBackend::RemoveSceneActor(scene, patch->_physicsActor);
+        }
+    }
 
     // Base
     Actor::OnDisable();