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This commit is contained in:
Wojtek Figat
2020-12-07 23:40:54 +01:00
commit 6fb9eee74c
5143 changed files with 1153594 additions and 0 deletions
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49
Source/Editor/GUI/Timeline/Undo/TrackUndoBlock.cs Normal file
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// Copyright (c) 2012-2020 Wojciech Figat. All rights reserved.
using System;
namespace FlaxEditor.GUI.Timeline.Undo
{
class TrackUndoBlock : IDisposable
{
private Track _track;
private byte[] _before;
private IUndoAction _customActionBefore;
private IUndoAction _customActionAfter;
public TrackUndoBlock(Track track, IUndoAction customActionBefore = null, IUndoAction customActionAfter = null)
{
_track = track;
if (_track.Timeline.Undo != null)
{
_customActionBefore = customActionBefore;
_customActionAfter = customActionAfter;
_before = EditTrackAction.CaptureData(track);
}
}
public void Dispose()
{
if (_track.Timeline.Undo != null)
{
var after = EditTrackAction.CaptureData(_track);
if (!FlaxEngine.Utils.ArraysEqual(_before, after))
{
var action = new EditTrackAction(_track.Timeline, _track, _before, after);
if (_customActionAfter != null && _customActionBefore != null)
_track.Timeline.Undo.AddAction(new MultiUndoAction(_customActionBefore, action, _customActionAfter));
else if (_customActionAfter != null)
_track.Timeline.Undo.AddAction(new MultiUndoAction(action, _customActionAfter));
else if (_customActionBefore != null)
_track.Timeline.Undo.AddAction(new MultiUndoAction(_customActionBefore, action));
else
_track.Timeline.Undo.AddAction(action);
}
_before = null;
_customActionBefore = null;
_customActionAfter = null;
}
_track = null;
}
}
}