Instrument Android composition input for native diagnosis

Assets/MagnetismHeroes/UnityRuntime/Interaction/BoardInput.cs

@@ -33,6 +33,8 @@ namespace MagnetismHeroes.UnityRuntime.Interaction
         private float _pinchDistance;
         private int _fingerId = -1;
         private bool _waitForAllTouchesReleased;
+        private int _diagnosticEvents;
+        private bool _diagnosticReady;
         private int _pinchFirstId = -1, _pinchSecondId = -1;
         private readonly struct TouchContact
         {
@@ -162,6 +164,7 @@ namespace MagnetismHeroes.UnityRuntime.Interaction
 
         private void RecordTouch(Finger finger)
         {
+            if (AcceptInput && _diagnosticEvents++ < 16) Debug.Log($"[CompositionInput] callback {finger.lastTouch.phase} screen={finger.screen?.name} current={Touchscreen.current?.name} gesture={_gesture}");
             if (!AcceptInput || finger.screen != Touchscreen.current) return;
             // Copy each official history callback before later events overwrite the native touch slot.
             var touch = finger.lastTouch;
@@ -228,6 +231,7 @@ namespace MagnetismHeroes.UnityRuntime.Interaction
 
         private void Update()
         {
+            if (AcceptInput && !_diagnosticReady) { _diagnosticReady = true; Debug.Log($"[CompositionInput] ready enabled={enabled} touchscreen={Touchscreen.current?.name} enhanced={EnhancedTouchSupport.enabled}"); }
             if (!AcceptInput) { _touchEvents.Clear(); _touches.Clear(); return; }
             bool hadTouches = _touchEvents.Count > 0, suppressRestOfFrame = false;
             while (_touchEvents.Count > 0)
@@ -255,6 +259,7 @@ namespace MagnetismHeroes.UnityRuntime.Interaction
         }
         private void OnEnable()
         {
+            Debug.Log("[CompositionInput] subscribing");
             EnhancedTouchSupport.Enable();
             UnityEngine.InputSystem.EnhancedTouch.Touch.onFingerDown += RecordTouch;
             UnityEngine.InputSystem.EnhancedTouch.Touch.onFingerMove += RecordTouch;