From f31d3c5cc10b6ffd50a80ac9a6d95f555fc9c1e3 Mon Sep 17 00:00:00 2001
From: Gymnasiast <m.o.steenbeek@gmail.com>
Date: Sat, 18 Mar 2023 14:52:36 +0100
Subject: [PATCH] Fix #19652: remove_unused_objects removes scenery groups

---
 src/openrct2/EditorObjectSelectionSession.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/openrct2/EditorObjectSelectionSession.cpp b/src/openrct2/EditorObjectSelectionSession.cpp
index 97db7b17c7..64381637e2 100644
--- a/src/openrct2/EditorObjectSelectionSession.cpp
+++ b/src/openrct2/EditorObjectSelectionSession.cpp
@@ -679,6 +679,10 @@ int32_t EditorRemoveUnusedObjects()
                 if (objectType == ObjectType::ParkEntrance || objectType == ObjectType::Water)
                     continue;
 
+                // It’s hard to determine exactly if a scenery group is used, so do not remove these automatically.
+                if (objectType == ObjectType::SceneryGroup)
+                    continue;
+
                 _numSelectedObjectsForType[EnumValue(objectType)]--;
                 _objectSelectionFlags[i] &= ~ObjectSelectionFlags::Selected;
                 numUnselectedObjects++;