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

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+using System;
+using UnityEngine;
+
+namespace DestroyIt
+{
+    /// <summary>
+    /// This is a helper script that listens to a Destructible object's DestroyedEvent and runs additional code when the object is destroyed.
+    /// Put this script on a GameObject that has the Destructible script.
+    /// </summary>
+    [RequireComponent(typeof(Destructible))]
+    public class WhenDestroyedResetTree : MonoBehaviour
+    {
+        [Tooltip("How many seconds to wait before resetting the tree.")]
+        public float resetAfterSeconds = 30f;
+        private Destructible _destObj;
+
+        private void Start()
+        {
+            // Try to get the Destructible script on the object. If found, attach the OnDestroyed event listener to the DestroyedEvent.
+            _destObj = gameObject.GetComponent<Destructible>();
+            if (_destObj != null)
+                _destObj.DestroyedEvent += OnDestroyed;
+        }
+
+        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.DestroyedEvent -= OnDestroyed;
+        }
+
+        /// <summary>When the Destructible object is destroyed, the code in this method will run.</summary>
+        private void OnDestroyed()
+        {
+            Debug.Log($"{_destObj.name} was destroyed at world coordinates: {_destObj.transform.position}");
+            TerrainTree terrainTree = Terrain.activeTerrain.ClosestTreeToPoint(transform.position);
+            TreeReset tree = new TreeReset()
+            {
+                prototypeIndex = terrainTree.TreeInstance.prototypeIndex,
+                position = terrainTree.TreeInstance.position,
+                color = terrainTree.TreeInstance.color,
+                heightScale = terrainTree.TreeInstance.heightScale,
+                widthScale = terrainTree.TreeInstance.widthScale,
+                resetTime = DateTime.Now.AddSeconds(resetAfterSeconds)
+            };
+            TreeManager.Instance.treesToReset.Add(tree);
+        }
+    }
+}