todo: implement xr input subsystem for webgl

Author: marwie

Packages/webxr/Runtime/Scripts/WebXRManager.cs

@@ -14,6 +14,8 @@ public class WebXRManager : SubsystemLifecycleManager<WebXRSubsystem, WebXRSubsy
   {
       public static WebXRManager Instance { get; private set; }
 
+      public WebXRState XRState => subsystem.xrState;
+      
       public event WebXRSubsystem.XRChange OnXRChange
       {
           add => subsystem.OnXRChange += value;

Packages/webxr/Runtime/XRPlugin/WebXRSubsystem.cs

@@ -5,6 +5,8 @@
 
 namespace WebXR
 {
+    // TODO: we need an XRInputSubsystem implementation - this can only be done via native code
+    
     public class WebXRSubsystemDescriptor : SubsystemDescriptor<WebXRSubsystem>
     {
     }
@@ -27,7 +29,7 @@ private static void RegisterDescriptor()
         public override void Start()
         {
             if (running) return;
-            Debug.Log("Hello " + nameof(WebXRSubsystem));
+            Debug.Log("Start " + nameof(WebXRSubsystem));
             _running = true;
             Instance = this;
             InternalStart();
@@ -36,15 +38,15 @@ public override void Start()
         public override void Stop()
         {
             if (!_running) return;
-            Debug.Log("Goodbye " + nameof(WebXRSubsystem));
+            Debug.Log("Stop " + nameof(WebXRSubsystem));
             _running = false;
             Instance = null;
         }
 
         protected override void OnDestroy()
         {
             if (!running) return;
-            Debug.Log("The End of " + nameof(WebXRSubsystem));
+            Debug.Log("Destroy " + nameof(WebXRSubsystem));
             _running = false;
             Instance = null;
         }