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Optimize single undo edit action to not use wrapper

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This commit is contained in:
Wojtek Figat
2021-08-12 11:48:36 +02:00
parent 70c729b171
commit 299d0493b9
1 changed files with 6 additions and 2 deletions
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8
Source/Editor/Undo/Undo.cs
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@@ -221,16 +221,20 @@ namespace FlaxEditor
var snapshotInstances = (object[])snapshotInstance;
if (snapshotInstances == null || snapshotInstances.Length != SnapshotInstances.Length)
throw new ArgumentException("Invalid multi undo action objects.");
var actions = new List<UndoActionObject>();
List<UndoActionObject> actions = null;
for (int i = 0; i < snapshotInstances.Length; i++)
{
var diff = Snapshot[i].Compare(snapshotInstances[i]);
if (diff.Count == 0)
continue;
if (actions == null)
actions = new List<UndoActionObject>();
actions.Add(new UndoActionObject(diff, ActionString, SnapshotInstances[i]));
}
if (actions.Count == 0)
if (actions == null)
return null;
if (actions.Count == 1)
return actions[0];
return new MultiUndoAction(actions);
}
}