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Serializable scene reference for Unity 6
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| using System; | |
| using UnityEngine; | |
| using Object = UnityEngine.Object; | |
| #if UNITY_EDITOR | |
| using System.IO; | |
| using UnityEditor; | |
| using UnityEditor.Build; | |
| using UnityEditor.Build.Reporting; | |
| using UnityEditor.UIElements; | |
| using UnityEngine.UIElements; | |
| using UnityEngine.SceneManagement; | |
| #endif | |
| namespace WIP | |
| { | |
| [Serializable] | |
| public sealed class SceneReference | |
| { | |
| [SerializeField] private Object Source; | |
| [SerializeField] private string Target; | |
| public string Name => Target; | |
| #if UNITY_EDITOR | |
| [CustomPropertyDrawer(typeof(SceneReference))] | |
| private sealed class Drawer : PropertyDrawer | |
| { | |
| public override VisualElement CreatePropertyGUI(SerializedProperty property) | |
| { | |
| var asset = property.FindPropertyRelative(nameof(Source)); | |
| var field = new ObjectField(preferredLabel) { allowSceneObjects = false, objectType = typeof(SceneAsset) }; | |
| field.AddToClassList(ObjectField.alignedFieldUssClassName); | |
| field.BindProperty(asset); | |
| field.RegisterCallback<AttachToPanelEvent>(_ => { EditorApplication.projectChanged += OnProjectChanged; }); | |
| field.RegisterCallback<DetachFromPanelEvent>(_ => { EditorApplication.projectChanged -= OnProjectChanged; }); | |
| return field; | |
| void OnProjectChanged() | |
| { | |
| if (field.value == null && asset.objectReferenceValue is { } value) | |
| { | |
| field.value = value; // fix deleted/restored = broken icon/ping | |
| } | |
| } | |
| } | |
| } | |
| [BuildCallbackVersion(1)] | |
| private sealed class Processor : IProcessSceneWithReport | |
| { | |
| public int callbackOrder => 0; | |
| public void OnProcessScene(Scene scene, BuildReport report) | |
| { | |
| var objects = scene.GetRootGameObjects(); | |
| foreach (var obj in objects) | |
| { | |
| var components = obj.GetComponentsInChildren<Component>(); | |
| foreach (var component in components) | |
| { | |
| using var so = new SerializedObject(component); | |
| using var sp = so.GetIterator(); | |
| while (sp.NextVisible(true)) | |
| { | |
| if (sp is not { propertyType: SerializedPropertyType.Generic, type: nameof(SceneReference), boxedValue: SceneReference sr }) | |
| { | |
| continue; | |
| } | |
| var target = sp.FindPropertyRelative(nameof(Target)); | |
| var path = AssetDatabase.GetAssetPath(sr.Source); | |
| target.stringValue = Application.isEditor ? path : Path.ChangeExtension(path, null); | |
| } | |
| so.ApplyModifiedPropertiesWithoutUndo(); | |
| } | |
| } | |
| } | |
| } | |
| #endif | |
| } | |
| } |
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