From fa7be20ee1255c9130a7b242f7886bd88b82aca4 Mon Sep 17 00:00:00 2001
From: lawnjelly <lawnjelly@gmail.com>
Date: Mon, 14 Aug 2023 10:25:50 +0100
Subject: [PATCH] Fix crash on exit where TileSet calls destroyed
 TileSetAtlasSourceEditor

Removes signal from TileSet on destroying TileSetAtlasSourceEditor, to prevent TileSet calling function in destroyed TileSetAtlasSourceEditor.
---
 editor/plugins/tiles/tile_set_atlas_source_editor.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/editor/plugins/tiles/tile_set_atlas_source_editor.cpp b/editor/plugins/tiles/tile_set_atlas_source_editor.cpp
index c98d9086d18..b1111be0063 100644
--- a/editor/plugins/tiles/tile_set_atlas_source_editor.cpp
+++ b/editor/plugins/tiles/tile_set_atlas_source_editor.cpp
@@ -2655,6 +2655,12 @@ TileSetAtlasSourceEditor::TileSetAtlasSourceEditor() {
 TileSetAtlasSourceEditor::~TileSetAtlasSourceEditor() {
 	memdelete(tile_proxy_object);
 	memdelete(atlas_source_proxy_object);
+
+	// Remove listener for old objects, so the TileSet doesn't
+	// try to call the destroyed TileSetAtlasSourceEditor.
+	if (tile_set.is_valid()) {
+		tile_set->disconnect_changed(callable_mp(this, &TileSetAtlasSourceEditor::_tile_set_changed));
+	}
 }
 
 ////// EditorPropertyTilePolygon //////