Unity运行时保存prefab的方法一则

unity编辑器在运行状态时，prefab的apply按钮就消失了，其实此时代码访问的话是有效的。

代码如下，将会给transform的右键增加一个save prefab的选项。

using UnityEngine;

using UnityEditor;

using System.Collections;

static public class PrefabExtendTools

{

    [MenuItem("CONTEXT/Transform/SavePrefab")]

    static public void SavePrefab()

    {

        GameObject source = PrefabUtility.GetPrefabParent (Selection.activeGameObject) as GameObject;

        if(source == null) return;

        string prefabPath = AssetDatabase.GetAssetPath (source).ToLower ();

        if(prefabPath.EndsWith(".prefab") == false) return;

        PrefabUtility.ReplacePrefab (Selection.activeGameObject, source, ReplacePrefabOptions.ConnectToPrefab | ReplacePrefabOptions.ReplaceNameBased);

    }

}