Fixes bugs on the 2D editor scrollable area

2 files changed, 8 insertions, 5 deletions

diff --git a/scene/2d/tile_map.cpp b/scene/2d/tile_map.cpp
index 78637cc097..0aaaa0ff92 100644
--- a/scene/2d/tile_map.cpp
+++ b/scene/2d/tile_map.cpp
@@ -631,11 +631,7 @@ void TileMap::_recompute_rect_cache() {
 			r_total = r_total.merge(r);
 	}
 
-	if (r_total == Rect2()) {
-		rect_cache = Rect2(-10, -10, 20, 20);
-	} else {
-		rect_cache = r_total.grow(MAX(cell_size.x, cell_size.y) * _get_quadrant_size());
-	}
+	rect_cache = r_total;
 
 	item_rect_changed();
 
@@ -1152,6 +1148,11 @@ PoolVector<int> TileMap::_get_tile_data() const {
 	return data;
 }
 
+Rect2 TileMap::_edit_get_rect() const {
+	const_cast<TileMap *>(this)->update_dirty_quadrants();
+	return rect_cache;
+}
+
 void TileMap::set_collision_layer(uint32_t p_layer) {
 
 	collision_layer = p_layer;
diff --git a/scene/2d/tile_map.h b/scene/2d/tile_map.h
index c8aceac17d..52aa6e8e2a 100644
--- a/scene/2d/tile_map.h
+++ b/scene/2d/tile_map.h
@@ -223,6 +223,8 @@ public:
 		INVALID_CELL = -1
 	};
 
+	virtual Rect2 _edit_get_rect() const;
+
 	void set_tileset(const Ref<TileSet> &p_tileset);
 	Ref<TileSet> get_tileset() const;