// Save as hierarchical prefab
public static bool SaveAsHierarchicalPrefab(GameObject a_rGameObjectToSave, string a_rSavePath)
{
// Convert to hierarchical prefab
HierarchicalPrefabInstance rHierarchicalPrefabInstanceModel = NestedPrefabEditorUtility.ConvertIntoHierarchicalPrefab(a_rGameObjectToSave);
// The prefab to save into
Object rPrefabObjectToSaveInto = AssetDatabase.LoadAssetAtPath(a_rSavePath, typeof(Object));
// Check if the hierarchical prefab is cyclic
if (IsHierarchicalPrefabInstanceCyclic(rHierarchicalPrefabInstanceModel, rPrefabObjectToSaveInto))
{
Debug.LogError("You can't create cyclic hierarchy!");
rHierarchicalPrefabInstanceModel.RevertToHierarchicalPrefab();
return(false);
}
// Save into a prefab at save path
if (rPrefabObjectToSaveInto == null)
{
rPrefabObjectToSaveInto = PrefabUtility.CreateEmptyPrefab(a_rSavePath);
}
else
{
// If an object replace a prefab copy the replaced prefab version number
// To the one replacing
if (rPrefabObjectToSaveInto != rHierarchicalPrefabInstanceModel.HierarchicalPrefab)
{
// Try to get the hierarchical prefab instance model of the soon to de replaced prefab
GameObject rPrefabToBeReplacedGameObject = NestedPrefabEditorUtility.GetPrefabGameObject(rPrefabObjectToSaveInto);
if (rPrefabToBeReplacedGameObject != null)
{
HierarchicalPrefabInstance rHierarchicalPrefabInstanceModelToBeReplaced = rPrefabToBeReplacedGameObject.GetComponent <HierarchicalPrefabInstance>();
if (rHierarchicalPrefabInstanceModelToBeReplaced != null)
{
// Copy the version number of the instance to be replaced
rHierarchicalPrefabInstanceModel.CopyVersionNumber(rHierarchicalPrefabInstanceModelToBeReplaced);
}
}
}
}
// Notify model instance of it's saving
rHierarchicalPrefabInstanceModel.OnSaveModelInstanceBeforePrefabReplacement(PrefabUtility.GetPrefabObject(rPrefabObjectToSaveInto));
#if BEFORE_UNITY_4_3
EditorUtility.ReplacePrefab(a_rGameObjectToSave, rPrefabObjectToSaveInto, ReplacePrefabOptions.ConnectToPrefab);
#else
PrefabUtility.ReplacePrefab(a_rGameObjectToSave, rPrefabObjectToSaveInto, ReplacePrefabOptions.ConnectToPrefab);
#endif
// Compilation is not up to date
NestedPrefabEditorSettings.MustCompile = true;
return(true);
}
// On Hierarchical prefab update
public void OnHierarchicalPrefabUpdate(HierarchicalPrefabInstance a_rHierarchicalInstanceCaller)
{
if (this != null)
{
// if the connection with the hierarchical prefab is broken
if (HierarchicalPrefab == null)
{
// If the prefab is still there and has just been replaced
if (m_rPrefabObject != null)
{
// Try to grab the nested prefab data from the potential instantiator
NestedPrefabData rNestedPrefabData = TryGrabNestedPrefabData();
// Replace the current object by an instance of the new prefab
GameObject rNewInstance = PrefabUtility.InstantiatePrefab(NestedPrefabEditorUtility.GetPrefabGameObject(m_rPrefabObject)) as GameObject;
HierarchicalPrefabInstance rNewHierarchicalPrefabInstance = rNewInstance.GetComponent <HierarchicalPrefabInstance>();
// If nested
if (rNestedPrefabData != null && rNewHierarchicalPrefabInstance != null && transform.parent != null)
{
rNewHierarchicalPrefabInstance.ReloadNestedPrefabData(rNestedPrefabData);
// Change the parent without changing the local transform information
NestedPrefabUtility.ChangeParentAndKeepSameLocalTransform(rNewHierarchicalPrefabInstance.transform, transform.parent);
}
else
{
Vector3 f3LocalScaleSave = rNewInstance.transform.localScale;
rNewInstance.transform.parent = transform.parent;
rNewInstance.transform.localPosition = transform.localPosition;
rNewInstance.transform.localRotation = transform.localRotation;
rNewInstance.transform.localScale = f3LocalScaleSave;
}
// Auto destruction
Editor.DestroyImmediate(gameObject);
}
}
else
{
// Revert to hierarchical prefab
//RevertToHierarchicalPrefab();
if (this == a_rHierarchicalInstanceCaller)
{
// if it's the updated instance we just redeploy the hierarchy
DeployHierarchy();
}
else
{
// Revert to hierarchical prefab
RevertToHierarchicalPrefab();
}
}
}
}