HideFlags not saving to prefab

Hi, not sure if this is by design, but if I set some hideFlags on a scene object then make it a prefab, the hideFlags are lost, they become "None"

can I prevent this from happening somehow?

Thanks

 

or is there a way I can detect when something becomes a prefab/prefab Instance and modify the hideFlags then?

 

well, this seems to work so far:

Code (CSharp):

1. using UnityEngine;
2. using System.Collections;
3.  
4. [AddComponentMenu(""), ExecuteInEditMode]
5. public class MyClass : MonoBehaviour {
6.  
7.     void OnEnable() {
8.  
9.         SetHideFlags();
10.     }
11.  
12.     private void SetHideFlags() {
13.  
14.         if (!Application.isPlaying) {
15.  
16.             gameObject.hideFlags = HideFlags.HideInHierarchy | HideFlags.HideInInspector;
17.  
18. #if UNITY_EDITOR
19.             GameObject prefab = UnityEditor.PrefabUtility.GetPrefabParent(gameObject) as GameObject;
20.  
21.             if (prefab != null) {
22.  
23.                 prefab.hideFlags = HideFlags.HideInHierarchy | HideFlags.HideInInspector;
24.             }
25. #endif
26.         }
27.         else {
28.  
29.             gameObject.SetActive(false);
30.         }
31.     }
32. }

Make the component ExecuteInEditMode, in OnEnable modify the hideFlags. This works fine for the instanced version of your object. But as soon as it becomes a prefab things need to get dirty. Enter UnityEditor code inside UnityEngine code courtesy of #UNITY_EDITOR Compiler flag. Find the prefab, set the hideFlags.

Couldn't find any other way. No way to detect if prefab has been made, not even through PostProcessor
CustomEditors don't fire unless the object is selected, and even then, if the object is a prefab, you have to call AssetDatabase.ImportAsset to reload the hideFlags.

Endless Editor Hacks

 

:'(

 

Ditto: Endless Editor Hacks

 

I also struggled to save the changes to hideFlags in a prefab. Apparently, the only way to make them persistent is to access hideFlags through serializedObject:

Code (CSharp):

1. var hideFlagsProp = serializedObject.FindProperty("m_ObjectHideFlags");
2. hideFlagsProp.intValue = (int) HideFlags.HideInHierarchy;
3. serializedObject.ApplyModifiedProperties();

When you change a scene gameObject's hideFlags this way, then make it a prefab, hideFlags will be saved as well.