Snippets

Alex Darby ResetTransformToParent

Updated by Alex Darby
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File EditorHierarchyContextMenu.cs Modified

  • Ignore whitespace
  • Hide word diff 
 {
 	//------------------------------------------------------------------------	
 	// note this was written with help from: 
-    // https://answers.unity.com/questions/22947/adding-to-the-context-menu-of-the-hierarchy-tab.html
+	// https://answers.unity.com/questions/22947/adding-to-the-context-menu-of-the-hierarchy-tab.html
 	//------------------------------------------------------------------------	
 
 	const int k_iBasePriority = -100;
 
-	
+
 	//------------------------------------------------------------------------
-    // resets a transform to its parent origin without affecting its children
-    // 
-    // this really helps tidy up scenes which might not have been put together
-    // quite the way you wish they had been.
-    // 
-    // I lost track of the number of times I've done this manually (1000s?)
-    // so I wrote this editor menu estension to do it.
-    //
-    // the maths to do this manually isn't that hard, but it's WAY simpler to 
-    // just reparent stuff and let the Unity Editor work it out for you.
+	// resets a transform to its parent origin without affecting its children
+	// 
+	// this really helps tidy up scenes which might not have been put together
+	// quite the way you wish they had been.
+	// 
+	// I lost track of the number of times I've done this manually (1000s?)
+	// so I wrote this editor menu estension to do it.
+	//
+	// the maths to do this manually isn't that hard, but it's WAY simpler to 
+	// just reparent stuff and let the Unity Editor work it out for you.
 	//------------------------------------------------------------------------
-    
-    // this attribute makes it appear on the right click menu in the hierarchy
-    // see the linked post on Unity answers for more information about the priority
+
+	// this attribute makes it appear on the right click menu in the hierarchy
+	// see the linked post on Unity answers for more information about the priority
 	[MenuItem( "GameObject/Reset Transform To Parent", false, k_iBasePriority )]
 	static void RightClick_ResetTransformToParent()
 	{
 	[MenuItem( "GameObject/Reset Transform To Parent", true )]
 	static bool Validate_RightClick_ResetTransformToParent()
 	{
-		return(		( null != Selection.activeTransform ) 
+		return (	( null != Selection.activeTransform )
 				&&	( null != Selection.activeTransform.parent ) );
 	}
 
 		}
 	}
 }
-						
-#endif// #if UNITY_EDITOR
+
+#endif// #if UNITY_EDITOR
Created by Alex Darby
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File EditorHierarchyContextMenu.cs Added

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  • Hide word diff 
+#if UNITY_EDITOR
+
+using UnityEngine;
+using UnityEditor;
+
+//////////////////////////////////////////////////////////////////////////////	
+//////////////////////////////////////////////////////////////////////////////	
+public static class EditorHierarchyContextMenu
+{
+	//------------------------------------------------------------------------	
+	// note this was written with help from: 
+    // https://answers.unity.com/questions/22947/adding-to-the-context-menu-of-the-hierarchy-tab.html
+	//------------------------------------------------------------------------	
+
+	const int k_iBasePriority = -100;
+
+	
+	//------------------------------------------------------------------------
+    // resets a transform to its parent origin without affecting its children
+    // 
+    // this really helps tidy up scenes which might not have been put together
+    // quite the way you wish they had been.
+    // 
+    // I lost track of the number of times I've done this manually (1000s?)
+    // so I wrote this editor menu estension to do it.
+    //
+    // the maths to do this manually isn't that hard, but it's WAY simpler to 
+    // just reparent stuff and let the Unity Editor work it out for you.
+	//------------------------------------------------------------------------
+    
+    // this attribute makes it appear on the right click menu in the hierarchy
+    // see the linked post on Unity answers for more information about the priority
+	[MenuItem( "GameObject/Reset Transform To Parent", false, k_iBasePriority )]
+	static void RightClick_ResetTransformToParent()
+	{
+		Transform cResetMeToParent = Selection.activeTransform;
+
+		Undo.RecordObject( cResetMeToParent, System.Reflection.MethodBase.GetCurrentMethod().Name + "-" + cResetMeToParent.gameObject.name );
+
+		GameObject	cTEMPParent		= new GameObject( "TEMPORARY_REPARENTER" );
+		Transform	cTEMPTransform	= cTEMPParent.transform;
+
+		cTEMPTransform.position		= Vector3.zero;
+		cTEMPTransform.rotation		= Quaternion.identity;
+		cTEMPTransform.localScale	= Vector3.one;
+
+		cResetMeToParent.ReparentAllChildrenTo( cTEMPTransform );
+
+		cResetMeToParent.localPosition	= Vector3.zero;
+		cResetMeToParent.localRotation	= Quaternion.identity;
+		cResetMeToParent.localScale		= Vector3.one;
+
+		cTEMPTransform.ReparentAllChildrenTo( cResetMeToParent );
+
+		Object.DestroyImmediate( cTEMPParent );
+	}
+
+	//------------------------------------------------------------------------	
+	// validates the above function can be used & greys out the option if not
+	[MenuItem( "GameObject/Reset Transform To Parent", true )]
+	static bool Validate_RightClick_ResetTransformToParent()
+	{
+		return(		( null != Selection.activeTransform ) 
+				&&	( null != Selection.activeTransform.parent ) );
+	}
+
+	//------------------------------------------------------------------------
+	public static void ReparentAllChildrenTo( this Transform cOriginalParent, Transform cNewParent )
+	{
+		int iInitialChildcount = cOriginalParent.childCount;
+
+		for( int i = 0; i < iInitialChildcount; ++i )
+		{
+			// n.b. we take the 0th child iInitialChildcount times to empty the child list
+			cOriginalParent.GetChild( 0 ).SetParent( cNewParent );
+		}
+	}
+}
+						
+#endif// #if UNITY_EDITOR
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