From 9dd05964d587b35db84497ed9cfda0dd1d012fe4 Mon Sep 17 00:00:00 2001
From: smix8 <52464204+smix8@users.noreply.github.com>
Date: Sun, 14 Jul 2024 21:53:14 +0200
Subject: [PATCH] Fix NavigationPolygon not updating consistently on rebakes

Fixes that NavigationPolygon did not update in all cases because the internal NavigationMesh was not always unref and freed which blocked creating a new mesh later if nothing else freed it.
---
 scene/resources/2d/navigation_polygon.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/scene/resources/2d/navigation_polygon.cpp b/scene/resources/2d/navigation_polygon.cpp
index a845809bf2f..4a290db86b5 100644
--- a/scene/resources/2d/navigation_polygon.cpp
+++ b/scene/resources/2d/navigation_polygon.cpp
@@ -193,6 +193,10 @@ void NavigationPolygon::set_data(const Vector<Vector2> &p_vertices, const Vector
 	for (int i = 0; i < p_polygons.size(); i++) {
 		polygons.write[i].indices = p_polygons[i];
 	}
+	{
+		MutexLock lock(navigation_mesh_generation);
+		navigation_mesh.unref();
+	}
 }
 
 void NavigationPolygon::get_data(Vector<Vector2> &r_vertices, Vector<Vector<int>> &r_polygons) {