如何获得GameObject根预制件? [英] How can I get a GameObject root prefab?

问题描述

我有一个EditorWindow脚本.

I have a EditorWindow script.

内部OnGUI:

for (var i = selection.Count - 1; i >= 0; --i)
            {
                var selected = selection[i];

                if (UnityEditor.PrefabUtility.IsPartOfPrefabInstance(selected))
                {
                    var root = selected.GetComponentInParent(typeof(GameObject));
                    PrefabUtility.UnpackPrefabInstance(selected, PrefabUnpackMode.Completely, UnityEditor.InteractionMode.AutomatedAction);
                }
             }

我想找到选定的一部分的预制件. 但这给了我一个例外:

I want to find the prefab the selected is part of. But this give me exception:

ArgumentException:GetComponent要求所请求的组件'GameObject'是从MonoBehaviour或Component派生的，或者是一个接口.

ArgumentException: GetComponent requires that the requested component 'GameObject' derives from MonoBehaviour or Component or is an interface.

主要目标是销毁作为预制实例一部分的游戏对象. 为此，我需要先找到选定的游戏对象，然后将其从预制件中拆开，然后销毁.

The main goal is destroy a gameobject that is a part of a prefab instance. For that I need first to find the gameobject(selected) it's prefab the unpack it from the prefab and then to destroy it.

但是我无法得到它的预制件.

But I can't get the prefab of it.

推荐答案

有效的解决方案:

for (var i = selection.Count - 1; i >= 0; --i)
            {
                var selected = selection[i];

                if (UnityEditor.PrefabUtility.IsPartOfPrefabInstance(selected))
                {
                    var root = PrefabUtility.GetOutermostPrefabInstanceRoot(selected);
                    PrefabUtility.UnpackPrefabInstance(root, PrefabUnpackMode.Completely, UnityEditor.InteractionMode.AutomatedAction);
                }
            }

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