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Assets/ThirdParty/DestroyIt/Scripts/Runtime/Behaviors/WhenDamaged.cs

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+using UnityEngine;
+
+namespace DestroyIt
+{
+    /// <summary>
+    /// This is a helper script that listens to a Destructible object's DamagedEvent and runs additional code when the object is damaged.
+    /// Put this script on a GameObject that has the Destructible script.
+    /// </summary>
+    [RequireComponent(typeof(Destructible))]
+    public class WhenDamaged : MonoBehaviour
+    {
+        private Destructible _destObj;
+
+        private void Start()
+        {
+            // Try to get the Destructible script on the object. If found, attach the OnDamaged event listener to the DamagedEvent.
+            _destObj = gameObject.GetComponent<Destructible>();
+            if (_destObj != null)
+                _destObj.DamagedEvent += OnDamaged;
+        }
+
+        private void OnDisable()
+        {
+            // Unregister the event listener when disabled/destroyed. Very important to prevent memory leaks due to orphaned event listeners!
+            if (_destObj == null) return;
+            _destObj.DamagedEvent -= OnDamaged;
+        }
+
+        /// <summary>When the Destructible object is damaged, the code in this method will run.</summary>
+        private void OnDamaged()
+        {
+            Debug.Log($"{_destObj.name} was damaged for {_destObj.LastDamagedAmount} hit points");
+        }
+    }
+}