From 1d428ac1c9aec6de943e35dd4c4f95bf40d67126 Mon Sep 17 00:00:00 2001
From: smix8 <52464204+smix8@users.noreply.github.com>
Date: Wed, 18 May 2022 13:53:46 +0200
Subject: [PATCH] Update NavigationPolygonInstance when polygons of
 NavigationPolygon change

Updates NavigationPolygonInstance polygons on the NavigationServer2D when the NavigationPolygon Resource emits its changed signal due to e.g. polygons altered by script.
---
 scene/2d/navigation_polygon.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/scene/2d/navigation_polygon.cpp b/scene/2d/navigation_polygon.cpp
index e9ec1a3e7..cb4a2ccec 100644
--- a/scene/2d/navigation_polygon.cpp
+++ b/scene/2d/navigation_polygon.cpp
@@ -499,6 +499,9 @@ void NavigationPolygonInstance::_navpoly_changed() {
 	if (is_inside_tree() && (Engine::get_singleton()->is_editor_hint() || get_tree()->is_debugging_navigation_hint())) {
 		update();
 	}
+	if (navpoly.is_valid()) {
+		Navigation2DServer::get_singleton()->region_set_navpoly(region, navpoly);
+	}
 }
 
 String NavigationPolygonInstance::get_configuration_warning() const {