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Merge pull request #23344 from Terochi/skin-editor-change-handler-improvement

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Implement better logic for `ApplyStateChange` in skin editor
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Bartłomiej Dach 2023-05-03 20:36:15 +02:00 committed by GitHub
commit 2bd07cc0d9
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2 changed files with 123 additions and 10 deletions
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79
osu.Game.Tests/Visual/Gameplay/TestSceneSkinEditor.cs
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@ -2,12 +2,15 @@
// See the LICENCE file in the repository root for full licence text.
using System.Collections.Generic;
using System.IO;
using System.Linq;
using NUnit.Framework;
using osu.Framework.Allocation;
using osu.Framework.Extensions.IEnumerableExtensions;
using osu.Framework.Extensions.ObjectExtensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.UserInterface;
using osu.Framework.Input;
using osu.Framework.Testing;
using osu.Game.Overlays;
using osu.Game.Overlays.Settings;
@ -182,6 +185,64 @@ namespace osu.Game.Tests.Visual.Gameplay
AddAssert("all boxes still selected", () => skinEditor.SelectedComponents, () => Has.Count.EqualTo(2));
}
[Test]
public void TestUndoEditHistory()
{
SkinComponentsContainer firstTarget = null!;
TestSkinEditorChangeHandler changeHandler = null!;
byte[] defaultState = null!;
IEnumerable<ISerialisableDrawable> testComponents = null!;
AddStep("Load necessary things", () =>
{
firstTarget = Player.ChildrenOfType<SkinComponentsContainer>().First();
changeHandler = new TestSkinEditorChangeHandler(firstTarget);
changeHandler.SaveState();
defaultState = changeHandler.GetCurrentState();
testComponents = new[]
{
targetContainer.Components.First(),
targetContainer.Components[targetContainer.Components.Count / 2],
targetContainer.Components.Last()
};
});
AddStep("Press undo", () => InputManager.Keys(PlatformAction.Undo));
AddAssert("Nothing changed", () => defaultState.SequenceEqual(changeHandler.GetCurrentState()));
AddStep("Add components", () =>
{
InputManager.MoveMouseTo(skinEditor.ChildrenOfType<BigBlackBox>().First());
InputManager.Click(MouseButton.Left);
InputManager.Click(MouseButton.Left);
InputManager.Click(MouseButton.Left);
});
revertAndCheckUnchanged();
AddStep("Move components", () =>
{
changeHandler.BeginChange();
testComponents.ForEach(c => ((Drawable)c).Position += Vector2.One);
changeHandler.EndChange();
});
revertAndCheckUnchanged();
AddStep("Select components", () => skinEditor.SelectedComponents.AddRange(testComponents));
AddStep("Bring to front", () => skinEditor.BringSelectionToFront());
revertAndCheckUnchanged();
AddStep("Remove components", () => testComponents.ForEach(c => firstTarget.Remove(c, false)));
revertAndCheckUnchanged();
void revertAndCheckUnchanged()
{
AddStep("Revert changes", () => changeHandler.RestoreState(int.MinValue));
AddAssert("Current state is same as default", () => defaultState.SequenceEqual(changeHandler.GetCurrentState()));
}
}
[TestCase(false)]
[TestCase(true)]
public void TestBringToFront(bool alterSelectionOrder)
@ -269,5 +330,23 @@ namespace osu.Game.Tests.Visual.Gameplay
}
protected override Ruleset CreatePlayerRuleset() => new OsuRuleset();
private partial class TestSkinEditorChangeHandler : SkinEditorChangeHandler
{
public TestSkinEditorChangeHandler(Drawable targetScreen)
: base(targetScreen)
{
}
public byte[] GetCurrentState()
{
using var stream = new MemoryStream();
WriteCurrentStateToStream(stream);
byte[] newState = stream.ToArray();
return newState;
}
}
}
}

54
osu.Game/Overlays/SkinEditor/SkinEditorChangeHandler.cs
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@ -1,6 +1,7 @@
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
@ -56,20 +57,53 @@ namespace osu.Game.Overlays.SkinEditor
if (deserializedContent == null)
return;
SerialisedDrawableInfo[] skinnableInfo = deserializedContent.ToArray();
Drawable[] targetComponents = firstTarget.Components.OfType<Drawable>().ToArray();
SerialisedDrawableInfo[] skinnableInfos = deserializedContent.ToArray();
ISerialisableDrawable[] targetComponents = firstTarget.Components.ToArray();
if (!skinnableInfo.Select(s => s.Type).SequenceEqual(targetComponents.Select(d => d.GetType())))
// Store components based on type for later reuse
var componentsPerTypeLookup = new Dictionary<Type, Queue<Drawable>>();
foreach (ISerialisableDrawable component in targetComponents)
{
// Perform a naive full reload for now.
firstTarget.Reload(skinnableInfo);
Type lookup = component.GetType();
if (!componentsPerTypeLookup.TryGetValue(lookup, out Queue<Drawable>? componentsOfSameType))
componentsPerTypeLookup.Add(lookup, componentsOfSameType = new Queue<Drawable>());
componentsOfSameType.Enqueue((Drawable)component);
}
else
{
int i = 0;
foreach (var drawable in targetComponents)
drawable.ApplySerialisedInfo(skinnableInfo[i++]);
for (int i = targetComponents.Length - 1; i >= 0; i--)
firstTarget.Remove(targetComponents[i], false);
foreach (var skinnableInfo in skinnableInfos)
{
Type lookup = skinnableInfo.Type;
if (!componentsPerTypeLookup.TryGetValue(lookup, out Queue<Drawable>? componentsOfSameType))
{
firstTarget.Add((ISerialisableDrawable)skinnableInfo.CreateInstance());
continue;
}
// Wherever possible, attempt to reuse existing component instances.
if (componentsOfSameType.TryDequeue(out Drawable? component))
{
component.ApplySerialisedInfo(skinnableInfo);
}
else
{
component = skinnableInfo.CreateInstance();
}
firstTarget.Add((ISerialisableDrawable)component);
}
// Dispose components which were not reused.
foreach ((Type _, Queue<Drawable> typeComponents) in componentsPerTypeLookup)
{
foreach (var component in typeComponents)
component.Dispose();
}
}
}