From bd33adb47fcc00d619c7cf4bdc78d555d2d1bf6e Mon Sep 17 00:00:00 2001
From: Schmarni <marnistromer@gmail.com>
Date: Fri, 28 Jun 2024 16:14:02 +0200
Subject: [PATCH] fix crash when running without an openxr runtime

Signed-off-by: Schmarni <marnistromer@gmail.com>
---
 crates/bevy_openxr/src/openxr/features/overlay.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/crates/bevy_openxr/src/openxr/features/overlay.rs b/crates/bevy_openxr/src/openxr/features/overlay.rs
index 20e0d7e..6924436 100644
--- a/crates/bevy_openxr/src/openxr/features/overlay.rs
+++ b/crates/bevy_openxr/src/openxr/features/overlay.rs
@@ -1,6 +1,7 @@
 use std::{mem, ptr};
 
 use bevy::prelude::*;
+use bevy_xr::session::session_available;
 use openxr::sys;
 
 use crate::{
@@ -15,7 +16,7 @@ impl Plugin for OxrOverlayPlugin {
     fn build(&self, app: &mut bevy::prelude::App) {
         app.add_event::<OxrOverlaySessionEvent>();
         app.init_resource::<OxrOverlaySettings>();
-        app.add_systems(First, add_overlay_info_to_chain);
+        app.add_systems(First, add_overlay_info_to_chain.run_if(session_available));
     }
 }