备份CatanBuilding瘦身独立工程

LocalPackages/PaintIn3D/Runtime/Shared/Common/Extras/Scripts/CwChild.cs

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+using UnityEngine;
+
+namespace CW.Common
+{
+	/// <summary>This is the base class for all components that are created as children of another component, allowing them to be more easily managed.</summary>
+	public abstract class CwChild : MonoBehaviour
+	{
+		public interface IHasChildren
+		{
+			bool HasChild(CwChild child);
+		}
+
+		[ContextMenu("Destroy GameObject If Invalid All")]
+		public void DestroyGameObjectIfInvalidAll()
+		{
+			if (transform.parent != null)
+			{
+				foreach (var siblings in transform.parent.GetComponentsInChildren<CwChild>())
+				{
+					siblings.DestroyGameObjectIfInvalid();
+				}
+			}
+		}
+
+		[ContextMenu("Destroy GameObject If Invalid")]
+		public void DestroyGameObjectIfInvalid()
+		{
+			var parent = GetParent();
+
+			if (parent == null || parent.HasChild(this) == false)
+			{
+#if UNITY_EDITOR
+				UnityEditor.Undo.DestroyObjectImmediate(gameObject);
+#else
+				DestroyImmediate(gameObject);
+#endif
+			}
+		}
+
+		protected abstract IHasChildren GetParent();
+
+		protected virtual void Start()
+		{
+			//DestroyGameObjectIfInvalid();
+		}
+	}
+}