add openxr specific session running and available conditions

Signed-off-by: Schmarni <marnistromer@gmail.com>

Cargo.toml

@@ -14,5 +14,6 @@ bevy = { version = "0.14.0", default-features = false, features = [
 	"bevy_render",
 	"bevy_core_pipeline",
 	"bevy_winit",
+	"bevy_pbr",
 	"x11",
 ] }

crates/bevy_openxr/src/openxr/action_set_syncing.rs

@@ -1,6 +1,5 @@
-use crate::session::OxrSession;
+use crate::{openxr_session_running, session::OxrSession};
 use bevy::prelude::*;
-use bevy_mod_xr::session::session_running;
 
 #[derive(SystemSet, Debug, Hash, PartialEq, Eq, Clone, Copy)]
 pub struct OxrActionSetSyncSet;
@@ -10,7 +9,9 @@ impl Plugin for OxrActionSyncingPlugin {
         app.add_event::<OxrSyncActionSet>();
         app.add_systems(
             PreUpdate,
-            sync_sets.in_set(OxrActionSetSyncSet).run_if(session_running), // .in_set(OxrPreUpdateSet::SyncActions),
+            sync_sets
+                .in_set(OxrActionSetSyncSet)
+                .run_if(openxr_session_running),
         );
     }
 }

crates/bevy_openxr/src/openxr/features/handtracking.rs

@@ -1,14 +1,12 @@
 use bevy::prelude::*;
+use bevy_mod_xr::hands::{HandBone, HandBoneRadius};
 use bevy_mod_xr::hands::{LeftHand, RightHand, XrHandBoneEntities, HAND_JOINT_COUNT};
 use bevy_mod_xr::session::{XrPreDestroySession, XrSessionCreated, XrTrackingRoot};
 use bevy_mod_xr::spaces::{XrPrimaryReferenceSpace, XrReferenceSpace, XrVelocity};
-use bevy_mod_xr::{
-    hands::{HandBone, HandBoneRadius},
-    session::session_running,
-};
 use openxr::{SpaceLocationFlags, SpaceVelocityFlags};
 
 use crate::helper_traits::ToVec3;
+use crate::openxr_session_running;
 use crate::resources::OxrFrameState;
 use crate::resources::Pipelined;
 use crate::session::OxrSession;
@@ -27,7 +25,7 @@ impl Default for HandTrackingPlugin {
 
 impl Plugin for HandTrackingPlugin {
     fn build(&self, app: &mut App) {
-        app.add_systems(PreUpdate, locate_hands.run_if(session_running));
+        app.add_systems(PreUpdate, locate_hands.run_if(openxr_session_running));
         if self.default_hands {
             app.add_systems(XrPreDestroySession, clean_up_default_hands)
                 .add_systems(XrSessionCreated, spawn_default_hands);

crates/bevy_openxr/src/openxr/features/overlay.rs

@@ -1,12 +1,12 @@
 use std::{mem, ptr};
 
 use bevy::prelude::*;
-use bevy_mod_xr::session::session_available;
 use openxr::sys;
 
 use crate::{
     next_chain::{OxrNextChainStructBase, OxrNextChainStructProvider},
     openxr::exts::OxrEnabledExtensions,
+    openxr_session_available,
     session::{OxrSessionCreateNextChain, OxrSessionCreateNextProvider},
 };
 
@@ -16,7 +16,10 @@ 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.run_if(session_available));
+        app.add_systems(
+            First,
+            add_overlay_info_to_chain.run_if(openxr_session_available),
+        );
     }
 }
 

crates/bevy_openxr/src/openxr/init.rs

@@ -1,9 +1,7 @@
 use std::sync::atomic::Ordering;
 use std::sync::Arc;
 
-use bevy::ecs::system::RunSystemOnce;
 use bevy::prelude::*;
-use bevy::render::extract_resource::ExtractResource;
 use bevy::render::extract_resource::ExtractResourcePlugin;
 use bevy::render::renderer::RenderAdapter;
 use bevy::render::renderer::RenderAdapterInfo;

crates/bevy_openxr/src/openxr/mod.rs

@@ -1,14 +1,17 @@
 // use actions::XrActionPlugin;
 use bevy::{
     app::{PluginGroup, PluginGroupBuilder},
+    prelude::Res,
     render::RenderPlugin,
     utils::default,
     window::{PresentMode, Window, WindowPlugin},
 };
-use bevy_mod_xr::camera::XrCameraPlugin;
 use bevy_mod_xr::session::XrSessionPlugin;
+use bevy_mod_xr::{camera::XrCameraPlugin, session::XrState};
 use init::OxrInitPlugin;
 use render::OxrRenderPlugin;
+use resources::OxrInstance;
+use session::OxrSession;
 
 use self::{
     features::{handtracking::HandTrackingPlugin, passthrough::OxrPassthroughPlugin},
@@ -33,6 +36,23 @@ pub mod session;
 pub mod spaces;
 pub mod types;
 
+/// A [`Condition`](bevy::ecs::schedule::Condition) system that says if the OpenXR session is available.
+pub fn openxr_session_available(
+    status: Option<Res<XrState>>,
+    instance: Option<Res<OxrInstance>>,
+) -> bool {
+    status.is_some_and(|s| *s != XrState::Unavailable) && instance.is_some()
+}
+
+/// A [`Condition`](bevy::ecs::schedule::Condition) system that says if the OpenXR is running.
+/// use this when working with OpenXR specific things
+pub fn openxr_session_running(
+    status: Option<Res<XrState>>,
+    session: Option<Res<OxrSession>>,
+) -> bool {
+    matches!(status.as_deref(), Some(XrState::Running)) & session.is_some()
+}
+
 pub fn add_xr_plugins<G: PluginGroup>(plugins: G) -> PluginGroupBuilder {
     plugins
         .build()

crates/bevy_openxr/src/openxr/reference_space.rs

@@ -7,7 +7,7 @@ use bevy_mod_xr::{
     spaces::{XrPrimaryReferenceSpace, XrReferenceSpace},
 };
 
-use crate::{init::create_xr_session, session::OxrSession};
+use crate::session::OxrSession;
 
 pub struct OxrReferenceSpacePlugin {
     pub default_primary_ref_space: openxr::ReferenceSpaceType,

crates/bevy_openxr/src/openxr/spaces.rs

@@ -2,7 +2,7 @@ use std::{mem::MaybeUninit, ptr, sync::Mutex};
 
 use bevy::{prelude::*, utils::hashbrown::HashSet};
 use bevy_mod_xr::{
-    session::{session_available, session_running, XrFirst, XrHandleEvents},
+    session::{XrFirst, XrHandleEvents},
     spaces::{XrDestroySpace, XrPrimaryReferenceSpace, XrReferenceSpace, XrSpace, XrVelocity},
     types::XrPose,
 };
@@ -13,6 +13,7 @@ use openxr::{
 
 use crate::{
     helper_traits::{ToPosef, ToQuat, ToVec3},
+    openxr_session_available, openxr_session_running,
     resources::{OxrFrameState, OxrInstance, Pipelined},
     session::OxrSession,
 };
@@ -24,7 +25,10 @@ pub struct OxrSpaceSyncSet;
 pub struct OxrSpacePatchingPlugin;
 impl Plugin for OxrSpacePatchingPlugin {
     fn build(&self, app: &mut App) {
-        app.add_systems(Startup, patch_destroy_space.run_if(session_available));
+        app.add_systems(
+            Startup,
+            patch_destroy_space.run_if(openxr_session_available),
+        );
     }
 }
 
@@ -36,13 +40,13 @@ impl Plugin for OxrSpatialPlugin {
                 XrFirst,
                 destroy_space_event
                     .before(XrHandleEvents::Poll)
-                    .run_if(session_available),
+                    .run_if(openxr_session_available),
             )
             .add_systems(
                 PreUpdate,
                 update_space_transforms
                     .in_set(OxrSpaceSyncSet)
-                    .run_if(session_running),
+                    .run_if(openxr_session_running),
             )
             .observe(add_location_flags)
             .observe(add_velocity_flags);

crates/bevy_xr/src/session.rs

@@ -266,6 +266,7 @@ pub fn status_changed_to(
 }
 
 /// A [`Condition`](bevy::ecs::schedule::Condition) system that says if the XR session is available. Returns true as long as [`XrState`] exists and isn't [`Unavailable`](XrStatus::Unavailable).
+/// When using backend specific resources use the backend specific condition
 pub fn session_available(status: Option<Res<XrState>>) -> bool {
     status.is_some_and(|s| *s != XrState::Unavailable)
 }
@@ -282,7 +283,8 @@ pub fn session_ready_or_running(status: Option<Res<XrState>>) -> bool {
     matches!(status.as_deref(), Some(XrState::Ready | XrState::Running))
 }
 
-/// A [`Condition`](bevy::ecs::schedule::Condition) system that says if the XR session is running
+/// A [`Condition`](bevy::ecs::schedule::Condition) system that says if the XR session is running.
+/// When using backend specific resources use the backend specific condition
 pub fn session_running(status: Option<Res<XrState>>) -> bool {
     matches!(status.as_deref(), Some(XrState::Running))
 }