Apply reference frame transform to OpenXRCompositionLayer nodes

1 files changed, 6 insertions, 4 deletions

diff --git a/modules/openxr/scene/openxr_composition_layer_equirect.cpp b/modules/openxr/scene/openxr_composition_layer_equirect.cpp
index 14cfea8da6..b6f5d27ffe 100644
--- a/modules/openxr/scene/openxr_composition_layer_equirect.cpp
+++ b/modules/openxr/scene/openxr_composition_layer_equirect.cpp
@@ -53,6 +53,7 @@ OpenXRCompositionLayerEquirect::OpenXRCompositionLayerEquirect() {
 		-lower_vertical_angle, // lowerVerticalAngle
 	};
 	openxr_layer_provider = memnew(OpenXRViewportCompositionLayerProvider((XrCompositionLayerBaseHeader *)&composition_layer));
+	XRServer::get_singleton()->connect("reference_frame_changed", callable_mp(this, &OpenXRCompositionLayerEquirect::update_transform));
 }
 
 OpenXRCompositionLayerEquirect::~OpenXRCompositionLayerEquirect() {
@@ -139,14 +140,15 @@ Ref<Mesh> OpenXRCompositionLayerEquirect::_create_fallback_mesh() {
 void OpenXRCompositionLayerEquirect::_notification(int p_what) {
 	switch (p_what) {
 		case NOTIFICATION_LOCAL_TRANSFORM_CHANGED: {
-			Transform3D transform = get_transform();
-			Quaternion quat(transform.basis.orthonormalized());
-			composition_layer.pose.orientation = { (float)quat.x, (float)quat.y, (float)quat.z, (float)quat.w };
-			composition_layer.pose.position = { (float)transform.origin.x, (float)transform.origin.y, (float)transform.origin.z };
+			update_transform();
 		} break;
 	}
 }
 
+void OpenXRCompositionLayerEquirect::update_transform() {
+	composition_layer.pose = get_openxr_pose();
+}
+
 void OpenXRCompositionLayerEquirect::set_radius(float p_radius) {
 	ERR_FAIL_COND(p_radius <= 0);
 	radius = p_radius;