Init

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

@@ -0,0 +1,43 @@
+using UnityEngine;
+
+namespace DestroyIt
+{
+    /// <summary>
+    /// Put this script on a GameObject that has the Destructible script.
+    /// When this object is damaged, it will also apply that damage to all of its parent Destructible objects.
+    /// </summary>
+    [RequireComponent(typeof(Destructible))]
+    public class WhenDamagedDamageParents : 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()
+        {
+            // Get a reference to all the Destructible parents of this object
+            Destructible[] destructibleParents = gameObject.GetComponentsInParent<Destructible>();
+
+            // Loop through the destructible parent objects and apply damage
+            for (int i = 0; i < destructibleParents.Length; i++)
+            {
+                if (destructibleParents[i] == _destObj) continue; // Ignore the current destructible object
+                destructibleParents[i].ApplyDamage(_destObj.LastDamagedAmount); // Apply the damage to only parent objects
+            }
+        }
+    }
+}