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Merge pull request #10986 from peppy/fix-editor-reapply-same-state-change

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Fix state application always checking newest state for early abort, rather than current
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Dan Balasescu 2020-11-30 14:04:44 +09:00 committed by GitHub
commit 5053a7baf9
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2 changed files with 32 additions and 3 deletions
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33
osu.Game.Tests/Editing/EditorChangeHandlerTest.cs
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@ -2,7 +2,6 @@
// See the LICENCE file in the repository root for full licence text.
using NUnit.Framework;
using osu.Framework.Utils;
using osu.Game.Beatmaps;
using osu.Game.Rulesets.Osu.Objects;
using osu.Game.Screens.Edit;
@ -44,6 +43,36 @@ namespace osu.Game.Tests.Editing
Assert.That(stateChangedFired, Is.EqualTo(2));
}
[Test]
public void TestApplyThenUndoThenApplySameChange()
{
var (handler, beatmap) = createChangeHandler();
Assert.That(handler.CanUndo.Value, Is.False);
Assert.That(handler.CanRedo.Value, Is.False);
string originalHash = handler.CurrentStateHash;
addArbitraryChange(beatmap);
handler.SaveState();
Assert.That(handler.CanUndo.Value, Is.True);
Assert.That(handler.CanRedo.Value, Is.False);
Assert.That(stateChangedFired, Is.EqualTo(1));
string hash = handler.CurrentStateHash;
// undo a change without saving
handler.RestoreState(-1);
Assert.That(originalHash, Is.EqualTo(handler.CurrentStateHash));
Assert.That(stateChangedFired, Is.EqualTo(2));
addArbitraryChange(beatmap);
handler.SaveState();
Assert.That(hash, Is.EqualTo(handler.CurrentStateHash));
}
[Test]
public void TestSaveSameStateDoesNotSave()
{
@ -139,7 +168,7 @@ namespace osu.Game.Tests.Editing
private void addArbitraryChange(EditorBeatmap beatmap)
{
beatmap.Add(new HitCircle { StartTime = RNG.Next(0, 100000) });
beatmap.Add(new HitCircle { StartTime = 2760 });
}
}
}

2
osu.Game/Screens/Edit/EditorChangeHandler.cs
View File

@ -76,7 +76,7 @@ namespace osu.Game.Screens.Edit
var newState = stream.ToArray();
// if the previous state is binary equal we don't need to push a new one, unless this is the initial state.
if (savedStates.Count > 0 && newState.SequenceEqual(savedStates.Last())) return;
if (savedStates.Count > 0 && newState.SequenceEqual(savedStates[currentState])) return;
if (currentState < savedStates.Count - 1)
savedStates.RemoveRange(currentState + 1, savedStates.Count - currentState - 1);