注意:
需要Unity2021以上版本
参考
https://forum.unity.com/threads/editor-callbacks-for-gameobject-creation-deletion-duplication-by-user-or-user-script.788792/
示例1
using System.Text; using UnityEditor; using UnityEngine; [InitializeOnLoad] public class ObjectChangeEventsExample { static ObjectChangeEventsExample() { ObjectChangeEvents.changesPublished += ChangesPublished; } static void ChangesPublished(ref ObjectChangeEventStream stream) { for (int i = 0; i < stream.length; ++i) { var type = stream.GetEventType(i); switch (type) { case ObjectChangeKind.ChangeScene: stream.GetChangeSceneEvent(i, out var changeSceneEvent); Debug.Log($"{type}: {changeSceneEvent.scene}"); break; case ObjectChangeKind.CreateGameObjectHierarchy: stream.GetCreateGameObjectHierarchyEvent(i, out var createGameObjectHierarchyEvent); var newGameObject = EditorUtility.InstanceIDToObject(createGameObjectHierarchyEvent.instanceId) as GameObject; Debug.Log($"{type}: {newGameObject} in scene {createGameObjectHierarchyEvent.scene}."); break; case ObjectChangeKind.ChangeGameObjectStructureHierarchy: stream.GetChangeGameObjectStructureHierarchyEvent(i, out var changeGameObjectStructureHierarchy); var gameObject = EditorUtility.InstanceIDToObject(changeGameObjectStructureHierarchy.instanceId) as GameObject; Debug.Log($"{type}: {gameObject} in scene {changeGameObjectStructureHierarchy.scene}."); break; case ObjectChangeKind.ChangeGameObjectStructure: stream.GetChangeGameObjectStructureEvent(i, out var changeGameObjectStructure); var gameObjectStructure = EditorUtility.InstanceIDToObject(changeGameObjectStructure.instanceId) as GameObject; Debug.Log($"{type}: {gameObjectStructure} in scene {changeGameObjectStructure.scene}."); break; case ObjectChangeKind.ChangeGameObjectParent: stream.GetChangeGameObjectParentEvent(i, out var changeGameObjectParent); var gameObjectChanged = EditorUtility.InstanceIDToObject(changeGameObjectParent.instanceId) as GameObject; var newParentGo = EditorUtility.InstanceIDToObject(changeGameObjectParent.newParentInstanceId) as GameObject; var previousParentGo = EditorUtility.InstanceIDToObject(changeGameObjectParent.previousParentInstanceId) as GameObject; Debug.Log($"{type}: {gameObjectChanged} from {previousParentGo} to {newParentGo} from scene {changeGameObjectParent.previousScene} to scene {changeGameObjectParent.newScene}."); break; case ObjectChangeKind.ChangeGameObjectOrComponentProperties: stream.GetChangeGameObjectOrComponentPropertiesEvent(i, out var changeGameObjectOrComponent); var goOrComponent = EditorUtility.InstanceIDToObject(changeGameObjectOrComponent.instanceId); if (goOrComponent is GameObject go) { Debug.Log($"{type}: GameObject {go} change properties in scene {changeGameObjectOrComponent.scene}."); } else if (goOrComponent is Component component) { Debug.Log($"{type}: Component {component} change properties in scene {changeGameObjectOrComponent.scene}."); } break; case ObjectChangeKind.DestroyGameObjectHierarchy: stream.GetDestroyGameObjectHierarchyEvent(i, out var destroyGameObjectHierarchyEvent); // The destroyed GameObject can not be converted with EditorUtility.InstanceIDToObject as it has already been destroyed. var destroyParentGo = EditorUtility.InstanceIDToObject(destroyGameObjectHierarchyEvent.parentInstanceId) as GameObject; Debug.Log($"{type}: {destroyGameObjectHierarchyEvent.instanceId} with parent {destroyParentGo} in scene {destroyGameObjectHierarchyEvent.scene}."); break; case ObjectChangeKind.CreateAssetObject: stream.GetCreateAssetObjectEvent(i, out var createAssetObjectEvent); var createdAsset = EditorUtility.InstanceIDToObject(createAssetObjectEvent.instanceId); var createdAssetPath = AssetDatabase.GUIDToAssetPath(createAssetObjectEvent.guid); Debug.Log($"{type}: {createdAsset} at {createdAssetPath} in scene {createAssetObjectEvent.scene}."); break; case ObjectChangeKind.DestroyAssetObject: stream.GetDestroyAssetObjectEvent(i, out var destroyAssetObjectEvent); // The destroyed asset can not be converted with EditorUtility.InstanceIDToObject as it has already been destroyed. Debug.Log($"{type}: Instance Id {destroyAssetObjectEvent.instanceId} with Guid {destroyAssetObjectEvent.guid} in scene {destroyAssetObjectEvent.scene}."); break; case ObjectChangeKind.ChangeAssetObjectProperties: stream.GetChangeAssetObjectPropertiesEvent(i, out var changeAssetObjectPropertiesEvent); var changeAsset = EditorUtility.InstanceIDToObject(changeAssetObjectPropertiesEvent.instanceId); var changeAssetPath = AssetDatabase.GUIDToAssetPath(changeAssetObjectPropertiesEvent.guid); Debug.Log($"{type}: {changeAsset} at {changeAssetPath} in scene {changeAssetObjectPropertiesEvent.scene}."); break; case ObjectChangeKind.UpdatePrefabInstances: stream.GetUpdatePrefabInstancesEvent(i, out var updatePrefabInstancesEvent); string s = ""; s += $"{type}: scene {updatePrefabInstancesEvent.scene}. Instances ({updatePrefabInstancesEvent.instanceIds.Length}):\n"; foreach (var prefabId in updatePrefabInstancesEvent.instanceIds) { s += EditorUtility.InstanceIDToObject(prefabId).ToString() + "\n"; } Debug.Log(s); break; } } } }
示例2:
using UnityEditor; using UnityEngine; using UnityEngine.UI; [InitializeOnLoad] public class ObjectChangeEventsHelper { static ObjectChangeEventsHelper() { ObjectChangeEvents.changesPublished += ChangesPublished; } private static void ChangesPublished(ref ObjectChangeEventStream stream) { if (Application.isPlaying) { return; } for (int i = 0; i < stream.length; ++i) { switch (stream.GetEventType(i)) { case ObjectChangeKind.CreateGameObjectHierarchy: //UI父节点自动挂上CanvasGroup stream.GetCreateGameObjectHierarchyEvent(i, out var changeGameObjectParent); var newGameObject = EditorUtility.InstanceIDToObject(changeGameObjectParent.instanceId) as GameObject; if (newGameObject.transform.parent != null) { if (newGameObject.transform.parent.name.Equals("Canvas") && newGameObject.GetComponent<Image>() != null) { newGameObject.AddComponent<CanvasGroup>(); } } break; } } } }
标签:InstanceIDToObject,stream,物体,scene,编辑器,unity,EditorUtility,var,type From: https://www.cnblogs.com/sanyejun/p/17129698.html