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Assets/Obvious/Soap/Examples/Content/Scripts/AddRemoveElementToDictionary.cs

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+using System;
+using UnityEngine;
+
+namespace Obvious.Soap.Example
+{
+    [HelpURL("https://obvious-game.gitbook.io/soap/scene-documentation/9_scriptabledictionaries")]
+    [SelectionBase]
+    [RequireComponent(typeof(Element))]
+    public class AddRemoveElementToDictionary : MonoBehaviour
+    {
+        [SerializeField] private ScriptableDictionaryElementInt _scriptableDictionary = null;
+        private Element _element;
+
+        private void Start()
+        {
+            _element = GetComponent<Element>();
+
+            //Try to add the first element of this type
+            if (!_scriptableDictionary.TryAdd(_element.ElementType, 1))
+            {
+                //If its already in, just increment the count
+                _scriptableDictionary[_element.ElementType]++;
+            }
+        }
+
+        private void OnDestroy()
+        {
+            //Decrement the count of the element
+            _scriptableDictionary[_element.ElementType]--;
+
+            //If the count is 0, remove the element from the dictionary
+            if (_scriptableDictionary[_element.ElementType] == 0)
+            {
+                _scriptableDictionary.Remove(_element.ElementType);
+            }
+        }
+    }
+}