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Code Issues Releases Wiki Activity

Fix undo/redo behaving poorly with simultaneous objects

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This commit is contained in:
smoogipoo 2020-04-30 20:39:41 +09:00
parent 1cb3f39f60
commit c96bc5c51c
3 changed files with 45 additions and 6 deletions
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25
osu.Game.Tests/Editing/LegacyEditorBeatmapPatcherTest.cs
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@ -304,6 +304,31 @@ namespace osu.Game.Tests.Editing
runTest(patch);
}
[Test]
public void TestChangeHitObjectAtSameTime()
{
current.AddRange(new[]
{
new HitCircle { StartTime = 500, Position = new Vector2(50) },
new HitCircle { StartTime = 500, Position = new Vector2(100) },
new HitCircle { StartTime = 500, Position = new Vector2(150) },
new HitCircle { StartTime = 500, Position = new Vector2(200) },
});
var patch = new OsuBeatmap
{
HitObjects =
{
new HitCircle { StartTime = 500, Position = new Vector2(150) },
new HitCircle { StartTime = 500, Position = new Vector2(100) },
new HitCircle { StartTime = 500, Position = new Vector2(50) },
new HitCircle { StartTime = 500, Position = new Vector2(200) },
}
};
runTest(patch);
}
private void runTest(IBeatmap patch)
{
// Due to the method of testing, "patch" comes in without having been decoded via a beatmap decoder.

20
osu.Game/Screens/Edit/EditorBeatmap.cs
View File

@ -136,14 +136,26 @@ namespace osu.Game.Screens.Edit
/// <param name="hitObject">The <see cref="HitObject"/> to add.</param>
public void Add(HitObject hitObject)
{
trackStartTime(hitObject);
// Preserve existing sorting order in the beatmap
var insertionIndex = findInsertionIndex(PlayableBeatmap.HitObjects, hitObject.StartTime);
mutableHitObjects.Insert(insertionIndex + 1, hitObject);
Insert(insertionIndex + 1, hitObject);
}
/// <summary>
/// Inserts a <see cref="HitObject"/> into this <see cref="EditorBeatmap"/>.
/// </summary>
/// <remarks>
/// It is the invoker's responsibility to make sure that <see cref="HitObject"/> sorting order is maintained.
/// </remarks>
/// <param name="index">The index to insert the <see cref="HitObject"/> at.</param>
/// <param name="hitObject">The <see cref="HitObject"/> to insert.</param>
public void Insert(int index, HitObject hitObject)
{
trackStartTime(hitObject);
mutableHitObjects.Insert(index, hitObject);
HitObjectAdded?.Invoke(hitObject);
updateHitObject(hitObject, true);
}

6
osu.Game/Screens/Edit/LegacyEditorBeatmapPatcher.cs
View File

@ -63,8 +63,10 @@ namespace osu.Game.Screens.Edit
}
}
// Make the removal indices are sorted so that iteration order doesn't get messed up post-removal.
// Sort the indices to ensure that removal + insertion indices don't get jumbled up post-removal or post-insertion.
// This isn't strictly required, but the differ makes no guarantees about order.
toRemove.Sort();
toAdd.Sort();
// Apply the changes.
for (int i = toRemove.Count - 1; i >= 0; i--)
@ -74,7 +76,7 @@ namespace osu.Game.Screens.Edit
{
IBeatmap newBeatmap = readBeatmap(newState);
foreach (var i in toAdd)
editorBeatmap.Add(newBeatmap.HitObjects[i]);
editorBeatmap.Insert(i, newBeatmap.HitObjects[i]);
}
}