chunk 1: core gameplay scripts scenes runtime assets

Assets/Scripts/Debug/UIRaycastInspector.cs

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+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.EventSystems;
+using UnityEngine.InputSystem;
+using UnityEngine.InputSystem.EnhancedTouch;
+using EnhancedTouchSupport = UnityEngine.InputSystem.EnhancedTouch.EnhancedTouchSupport;
+using EnhancedTouchTouch = UnityEngine.InputSystem.EnhancedTouch.Touch;
+using EnhancedTouchPhase = UnityEngine.InputSystem.TouchPhase;
+
+// Attach this to any active GameObject in the scene to log what UI elements
+// are hit when you click/tap. Helps diagnose why a button isn't firing.
+public class UIRaycastInspector : MonoBehaviour
+{
+    private PointerEventData _eventData;
+    private List<RaycastResult> _results = new List<RaycastResult>();
+
+    void Awake()
+    {
+        if (!EventSystem.current)
+        {
+            Debug.LogWarning("[UIRaycastInspector] No EventSystem present.");
+        }
+    }
+
+    void OnEnable()
+    {
+        // Ensure EnhancedTouch is active so we can read Touch.activeTouches.
+        EnhancedTouchSupport.Enable();
+    }
+
+    void OnDisable()
+    {
+        EnhancedTouchSupport.Disable();
+    }
+
+    void Update()
+    {
+        // Prefer the Input System mouse/touch events if available.
+        if (Mouse.current != null && Mouse.current.leftButton.wasPressedThisFrame)
+        {
+            DiagnosePointer(Mouse.current.position.ReadValue(), "MouseDown");
+        }
+
+        if (EnhancedTouchSupport.enabled && EnhancedTouchTouch.activeTouches.Count > 0)
+        {
+            var touches = EnhancedTouchTouch.activeTouches;
+            for (int i = 0; i < touches.Count; ++i)
+            {
+                var t = touches[i];
+                if (!t.valid)
+                    continue;
+
+                if (t.phase == EnhancedTouchPhase.Began)
+                {
+                    DiagnosePointer(t.screenPosition, "TouchBegan");
+                    break;
+                }
+            }
+        }
+        else
+        {
+                // Legacy fallback for platforms not using the Input System yet.
+                if (Input.touchCount > 0 && Input.touches[0].phase == UnityEngine.TouchPhase.Began)
+            {
+                DiagnosePointer(Input.touches[0].position, "TouchBegan");
+            }
+        }
+    }
+
+    private void DiagnosePointer(Vector2 screenPos, string source)
+    {
+        if (!EventSystem.current) return;
+        _results.Clear();
+        _eventData = new PointerEventData(EventSystem.current) { position = screenPos };
+        EventSystem.current.RaycastAll(_eventData, _results);
+
+        if (_results.Count == 0)
+        {
+            Debug.Log($"[UIRaycastInspector] {source} at {screenPos} hit NOTHING (no UI)." );
+            return;
+        }
+
+        System.Text.StringBuilder sb = new System.Text.StringBuilder();
+        sb.Append($"[UIRaycastInspector] {source} at {screenPos} hits (top->bottom): ");
+        for (int i = 0; i < _results.Count; i++)
+        {
+            var r = _results[i];
+            sb.Append(r.gameObject.name);
+            if (i < _results.Count - 1) sb.Append(" -> ");
+        }
+        Debug.Log(sb.ToString());
+    }
+}

Assets/Scripts/Debug/UIRaycastInspector.cs.meta

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+fileFormatVersion: 2
+guid: 2ec8123ca0495437bad53b1bb3df3687