refactor: IHierarchy Integration with Overall Code Base

Engine.Core/Extensions/HierarchyObjectExtensions.cs

@@ -0,0 +1,32 @@
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+
+using Syntriax.Engine.Core.Abstract;
+
+namespace Syntriax.Engine.Core;
+
+public static class HierarchyObjectExtensions
+{
+    public static T? FindObject<T>(this IEnumerable<IHierarchyObject> hierarchyObjects) where T : class
+    {
+        foreach (IHierarchyObject hierarchyObject in hierarchyObjects)
+            if (hierarchyObject is T @object)
+                return @object;
+
+        return default;
+    }
+
+    public static bool TryFindObject<T>(this IEnumerable<IHierarchyObject> hierarchyObjects, [NotNullWhen(returnValue: true)] out T? behaviour) where T : class
+    {
+        behaviour = FindObject<T>(hierarchyObjects);
+        return behaviour is not null;
+    }
+
+    public static void FindObjects<T>(this IEnumerable<IHierarchyObject> hierarchyObjects, List<T> behaviours) where T : class
+    {
+        behaviours.Clear();
+        foreach (IHierarchyObject hierarchyObject in hierarchyObjects)
+            if (hierarchyObject is T @object)
+                behaviours.Add(@object);
+    }
+}