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Merge pull request #15055 from peppy/fix-taiko-convert-woes

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Fix `BeatmapConverter` not cloning deeply enough
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Dan Balasescu 2021-10-12 21:07:39 +09:00 committed by GitHub
commit f76b58e843
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3 changed files with 17 additions and 1 deletions
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3
osu.Game.Tests/Visual/Editing/TestSceneEditorSaving.cs
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@ -32,6 +32,8 @@ namespace osu.Game.Tests.Visual.Editing
AddUntilStep("wait for editor load", () => editor != null);
AddStep("Set overall difficulty", () => editorBeatmap.Difficulty.OverallDifficulty = 7);
AddStep("Add timing point", () => editorBeatmap.ControlPointInfo.Add(0, new TimingControlPoint()));
AddStep("Enter compose mode", () => InputManager.Key(Key.F1));
@ -57,6 +59,7 @@ namespace osu.Game.Tests.Visual.Editing
AddUntilStep("Wait for editor load", () => editor != null);
AddAssert("Beatmap contains single hitcircle", () => editorBeatmap.HitObjects.Count == 1);
AddAssert("Beatmap has correct overall difficulty", () => editorBeatmap.Difficulty.OverallDifficulty == 7);
}
}
}

8
osu.Game/Beatmaps/BeatmapConverter.cs
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@ -40,7 +40,13 @@ namespace osu.Game.Beatmaps
public IBeatmap Convert(CancellationToken cancellationToken = default)
{
// We always operate on a clone of the original beatmap, to not modify it game-wide
return ConvertBeatmap(Beatmap.Clone(), cancellationToken);
var original = Beatmap.Clone();
// Shallow clone isn't enough to ensure we don't mutate beatmap info unexpectedly.
// Can potentially be removed after `Beatmap.Difficulty` doesn't save back to `Beatmap.BeatmapInfo`.
original.BeatmapInfo = original.BeatmapInfo.Clone();
return ConvertBeatmap(original, cancellationToken);
}
/// <summary>

7
osu.Game/Tests/Beatmaps/BeatmapConversionTest.cs
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@ -14,6 +14,7 @@ using osu.Framework.Graphics.Textures;
using osu.Game.Beatmaps;
using osu.Game.Beatmaps.Formats;
using osu.Game.IO;
using osu.Game.IO.Serialization;
using osu.Game.Rulesets;
using osu.Game.Rulesets.Mods;
using osu.Game.Rulesets.Objects;
@ -109,6 +110,8 @@ namespace osu.Game.Tests.Beatmaps
{
var beatmap = GetBeatmap(name);
string beforeConversion = beatmap.Serialize();
var converterResult = new Dictionary<HitObject, IEnumerable<HitObject>>();
var working = new ConversionWorkingBeatmap(beatmap)
@ -122,6 +125,10 @@ namespace osu.Game.Tests.Beatmaps
working.GetPlayableBeatmap(CreateRuleset().RulesetInfo, mods);
string afterConversion = beatmap.Serialize();
Assert.AreEqual(beforeConversion, afterConversion, "Conversion altered original beatmap");
return new ConvertResult
{
Mappings = converterResult.Select(r =>