Add: hierarchy toggles

Alchemy/Assets/Alchemy/Editor/AlchemySettings.cs

@@ -32,7 +32,9 @@ namespace Alchemy.Editor
         }
 
         [SerializeField] HierarchyObjectMode hierarchyObjectMode = HierarchyObjectMode.RemoveInBuild;
+        [SerializeField] bool showHierarchyToggles;
 
         public HierarchyObjectMode HierarchyObjectMode => hierarchyObjectMode;
+        public bool ShowHierarchyToggles => showHierarchyToggles;
     }
 }

Alchemy/Assets/Alchemy/Editor/AlchemySettingsProvider.cs

@@ -57,6 +57,12 @@ namespace Alchemy.Editor
                     var hierarchyObjectModeField = new PropertyField(serializedObject.FindProperty("hierarchyObjectMode"));
                     root.Add(hierarchyObjectModeField);
 
+                    var showHierarchyTogglesField = new PropertyField(serializedObject.FindProperty("showHierarchyToggles"))
+                    {
+                        label = "Show Toggles"
+                    };
+                    root.Add(showHierarchyTogglesField);
+
                     root.Bind(serializedObject);
                     root.TrackSerializedObjectValue(serializedObject, so =>
                     {

Alchemy/Assets/Alchemy/Editor/Hierarchy/HierarchyButtonDrawer.cs

@@ -0,0 +1,32 @@
+using UnityEditor;
+using UnityEngine;
+using Alchemy.Hierarchy;
+
+namespace Alchemy.Editor
+{
+    public sealed class HierarchyButtonDrawer : HierarchyDrawer
+    {
+        public override void OnGUI(int instanceID, Rect selectionRect)
+        {
+            var gameObject = EditorUtility.InstanceIDToObject(instanceID) as GameObject;
+            if (gameObject == null) return;
+            if (gameObject.TryGetComponent<HierarchyObject>(out _)) return;
+
+            if (AlchemySettings.GetOrCreateSettings().ShowHierarchyToggles)
+            {
+                var pos = selectionRect;
+                pos.x = pos.xMax - 8f;
+                pos.width = 16f;
+
+                var active = GUI.Toggle(pos, gameObject.activeSelf, string.Empty);
+                if (active != gameObject.activeSelf)
+                {
+                    Undo.RecordObject(gameObject, $"{(active ? "Activate" : "Deactivate")} GameObject '{gameObject.name}'");
+                    gameObject.SetActive(active);
+                    EditorUtility.SetDirty(gameObject);
+                }
+            }
+        }
+    }
+
+}

Alchemy/Assets/Alchemy/Editor/Hierarchy/HierarchyButtonDrawer.cs.meta

@@ -0,0 +1,11 @@
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+guid: 527cfc72d81d34166ab175d08e86e0b5
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Alchemy/Assets/Alchemy/Editor/Hierarchy/HierarchyDrawer.cs

@@ -1,7 +1,6 @@
-using System.Linq;
-using Alchemy.Editor.Internal;
 using UnityEditor;
 using UnityEngine;
+using Alchemy.Editor.Internal;
 
 namespace Alchemy.Editor
 {

Alchemy/ProjectSettings/AlchemySettings.json

@@ -1,3 +1,4 @@
 {
-    "hierarchyObjectMode": 2
+    "hierarchyObjectMode": 2,
+    "showHierarchyToggles": true
 }