An instance of a [NavigationMesh]. An instance of a [NavigationMesh]. It tells the [Navigation] node what can be navigated and what cannot, based on the [NavigationMesh] resource. This should be a child of a [Navigation] node. Bakes the [NavigationMesh]. The baking is done in a separate thread because navigation baking is not a cheap operation. This can be done at runtime. When it is completed, it automatically sets the new [NavigationMesh]. Returns the [RID] of this region on the [NavigationServer]. Combined with [method NavigationServer.map_get_closest_point_owner] can be used to identify the [NavigationMeshInstance] closest to a point on the merged navigation map. Determines if the [NavigationMeshInstance] is enabled or disabled. The [NavigationMesh] resource to use. Notifies when the navigation mesh bake operation is completed. Notifies when the [NavigationMesh] has changed.