75 lines
2.9 KiB
C#
75 lines
2.9 KiB
C#
// Animancer // Copyright 2018-2024 Kybernetik //
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#if UNITY_EDITOR
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using System;
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using UnityEditor;
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using UnityEngine;
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namespace Animancer.Editor
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{
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/// <summary>[Editor-Only]
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/// A <see cref="SerializedDataEditorWindow{TObject, TData}"/> for <see cref="Component"/>s.
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/// </summary>
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/// https://kybernetik.com.au/animancer/api/Animancer.Editor/SerializedComponentDataEditorWindow_2
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public abstract class SerializedComponentDataEditorWindow<TObject, TData> :
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SerializedDataEditorWindow<TObject, TData>
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where TObject : Component
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where TData : class, ICopyable<TData>, IEquatable<TData>, new()
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{
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/************************************************************************************************************************/
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[SerializeField] private GameObject _SourceGameObject;
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[SerializeField] private int _SourceComponentInstanceID;
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/************************************************************************************************************************/
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/// <inheritdoc/>
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public override TObject SourceObject
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{
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get
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{
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// For whatever reason, component references in an EditorWindow can't survive entering Play Mode but
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// a GameObject or Transform reference can so we use that to recover the component.
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// Storing the Instance ID also works, but seems to also survive restarting the Unity Editor which is
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// bad because the scene references inside the data don't survive that which would leave us
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// with an open window full of empty references. Working around that isn't worth the effort.
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// So if the GameObject still exists, we use the Component's Instance ID to find it.
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var source = base.SourceObject;
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if (source == null && _SourceGameObject != null)
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source = base.SourceObject = EditorUtility.InstanceIDToObject(_SourceComponentInstanceID) as TObject;
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return source;
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}
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}
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/************************************************************************************************************************/
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/// <inheritdoc/>
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public override bool SourceObjectMightBePrefab
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=> true;
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/************************************************************************************************************************/
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/// <inheritdoc/>
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protected override void CaptureData()
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{
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base.CaptureData();
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if (SourceObject != null)
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{
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_SourceGameObject = SourceObject.gameObject;
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_SourceComponentInstanceID = SourceObject.GetInstanceID();
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}
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}
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/************************************************************************************************************************/
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}
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}
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#endif
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