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Add combo colour override control to editor
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Closes #25608.

Logic mostly matching stable. All operations are done on `ComboOffset`
which still makes overridden combo colours weirdly relatively dependent
on each other rather than them be an "absolute" choice, but alas...

As per stable, two consecutive new combos can use the same colour only
if they are separated by a break:

    https://github.com/peppy/osu-stable-reference/blob/52f3f75ed7efd7b9eb56e1e45c95bb91504337be/osu!/GameModes/Edit/Modes/EditorModeCompose.cs#L4564-L4571

This control is only available once the user has changed the combo
colours from defaults; additionally, only a single new combo object
must be selected for the colour selector to show up.
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bdach committed Jan 10, 2025
1 parent 73adc4d commit 4819694
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Showing 6 changed files with 289 additions and 13 deletions.
3 changes: 1 addition & 2 deletions osu.Game.Rulesets.Catch/Edit/CatchHitObjectComposer.cs
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Expand Up @@ -18,7 +18,6 @@
using osu.Game.Rulesets.Mods;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.UI;
using osu.Game.Screens.Edit.Components.TernaryButtons;
using osu.Game.Screens.Edit.Compose.Components;
using osuTK;

Expand Down Expand Up @@ -72,7 +71,7 @@ private void load()

protected override Drawable CreateHitObjectInspector() => new CatchHitObjectInspector(DistanceSnapProvider);

protected override IEnumerable<DrawableTernaryButton> CreateTernaryButtons()
protected override IEnumerable<Drawable> CreateTernaryButtons()
=> base.CreateTernaryButtons()
.Concat(DistanceSnapProvider.CreateTernaryButtons());

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2 changes: 1 addition & 1 deletion osu.Game.Rulesets.Osu/Edit/OsuHitObjectComposer.cs
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Expand Up @@ -53,7 +53,7 @@ protected override DrawableRuleset<OsuHitObject> CreateDrawableRuleset(Ruleset r

protected override Drawable CreateHitObjectInspector() => new OsuHitObjectInspector();

protected override IEnumerable<DrawableTernaryButton> CreateTernaryButtons()
protected override IEnumerable<Drawable> CreateTernaryButtons()
=> base.CreateTernaryButtons()
.Append(new DrawableTernaryButton
{
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5 changes: 3 additions & 2 deletions osu.Game/Rulesets/Edit/HitObjectComposer.cs
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Expand Up @@ -16,6 +16,7 @@
using osu.Framework.Input;
using osu.Framework.Input.Events;
using osu.Framework.Logging;
using osu.Framework.Testing;
using osu.Game.Beatmaps;
using osu.Game.Configuration;
using osu.Game.Graphics;
Expand Down Expand Up @@ -370,7 +371,7 @@ protected override void Update()
/// <summary>
/// Create all ternary states required to be displayed to the user.
/// </summary>
protected virtual IEnumerable<DrawableTernaryButton> CreateTernaryButtons() => BlueprintContainer.MainTernaryStates;
protected virtual IEnumerable<Drawable> CreateTernaryButtons() => BlueprintContainer.MainTernaryStates;

/// <summary>
/// Construct a relevant blueprint container. This will manage hitobject selection/placement input handling and display logic.
Expand Down Expand Up @@ -429,7 +430,7 @@ protected override bool OnKeyDown(KeyDownEvent e)
}
else
{
if (togglesCollection.ElementAtOrDefault(rightIndex) is DrawableTernaryButton button)
if (togglesCollection.ChildrenOfType<DrawableTernaryButton>().ElementAtOrDefault(rightIndex) is DrawableTernaryButton button)
{
button.Toggle();
return true;
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3 changes: 3 additions & 0 deletions osu.Game/Rulesets/Objects/Types/IHasComboInformation.cs
Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,9 @@ public interface IHasComboInformation : IHasCombo
/// </summary>
new bool NewCombo { get; set; }

/// <inheritdoc cref="IHasCombo.ComboOffset"/>
new int ComboOffset { get; set; }

/// <summary>
/// Bindable exposure of <see cref="LastInCombo"/>.
/// </summary>
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Original file line number Diff line number Diff line change
@@ -0,0 +1,278 @@
// 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.Diagnostics;
using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Extensions;
using osu.Framework.Extensions.Color4Extensions;
using osu.Framework.Extensions.ObjectExtensions;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Framework.Graphics.Cursor;
using osu.Framework.Graphics.Shapes;
using osu.Framework.Graphics.Sprites;
using osu.Framework.Graphics.UserInterface;
using osu.Game.Graphics;
using osu.Game.Graphics.Containers;
using osu.Game.Graphics.UserInterface;
using osu.Game.Graphics.UserInterfaceV2;
using osu.Game.Overlays;
using osu.Game.Rulesets.Objects;
using osu.Game.Rulesets.Objects.Types;
using osuTK;

namespace osu.Game.Screens.Edit.Components.TernaryButtons
{
public partial class NewComboTernaryButton : CompositeDrawable, IHasCurrentValue<TernaryState>
{
public Bindable<TernaryState> Current
{
get => current.Current;
set => current.Current = value;
}

private readonly BindableWithCurrent<TernaryState> current = new BindableWithCurrent<TernaryState>();

private readonly BindableList<HitObject> selectedHitObjects = new BindableList<HitObject>();
private readonly BindableList<Colour4> comboColours = new BindableList<Colour4>();

private Container mainButtonContainer = null!;
private ColourPickerButton pickerButton = null!;

[BackgroundDependencyLoader]
private void load(EditorBeatmap editorBeatmap)
{
RelativeSizeAxes = Axes.X;
AutoSizeAxes = Axes.Y;
InternalChildren = new Drawable[]
{
mainButtonContainer = new Container
{
RelativeSizeAxes = Axes.X,
AutoSizeAxes = Axes.Y,
Padding = new MarginPadding { Right = 30 },
Child = new DrawableTernaryButton
{
Current = Current,
Description = "New combo",
CreateIcon = () => new SpriteIcon { Icon = OsuIcon.EditorNewComboA },
},
},
pickerButton = new ColourPickerButton
{
Anchor = Anchor.CentreRight,
Origin = Anchor.CentreRight,
Width = 25,
ComboColours = { BindTarget = comboColours }
}
};

selectedHitObjects.BindTo(editorBeatmap.SelectedHitObjects);
if (editorBeatmap.BeatmapSkin != null)
comboColours.BindTo(editorBeatmap.BeatmapSkin.ComboColours);
}

protected override void LoadComplete()
{
base.LoadComplete();

selectedHitObjects.BindCollectionChanged((_, _) => updateState());
comboColours.BindCollectionChanged((_, _) => updateState());
Current.BindValueChanged(_ => updateState(), true);
}

private void updateState()
{
if (Current.Value == TernaryState.True && selectedHitObjects.Count == 1 && selectedHitObjects.Single() is IHasComboInformation hasCombo && comboColours.Count > 1)
{
mainButtonContainer.Padding = new MarginPadding { Right = 30 };
pickerButton.SelectedHitObject.Value = hasCombo;
pickerButton.Alpha = 1;
}
else
{
mainButtonContainer.Padding = new MarginPadding();
pickerButton.Alpha = 0;
}
}

private partial class ColourPickerButton : OsuButton, IHasPopover
{
public BindableList<Colour4> ComboColours { get; } = new BindableList<Colour4>();
public Bindable<IHasComboInformation?> SelectedHitObject { get; } = new Bindable<IHasComboInformation?>();

[Resolved]
private EditorBeatmap editorBeatmap { get; set; } = null!;

[Resolved]
private OverlayColourProvider colourProvider { get; set; } = null!;

private SpriteIcon icon = null!;

[BackgroundDependencyLoader]
private void load()
{
Add(icon = new SpriteIcon
{
Icon = FontAwesome.Solid.Palette,
Size = new Vector2(16),
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
});

Action = this.ShowPopover;
}

protected override void LoadComplete()
{
base.LoadComplete();
ComboColours.BindCollectionChanged((_, _) => updateState());
SelectedHitObject.BindValueChanged(val =>
{
if (val.OldValue != null)
val.OldValue.ComboIndexWithOffsetsBindable.ValueChanged -= onComboIndexChanged;

updateState();

if (val.NewValue != null)
val.NewValue.ComboIndexWithOffsetsBindable.ValueChanged += onComboIndexChanged;
}, true);
}

private void onComboIndexChanged(ValueChangedEvent<int> _) => updateState();

private void updateState()
{
if (SelectedHitObject.Value == null)
{
BackgroundColour = colourProvider.Background3;
icon.Colour = BackgroundColour.Darken(0.5f);
icon.Blending = BlendingParameters.Additive;
Enabled.Value = false;
}
else
{
BackgroundColour = ComboColours[comboIndexFor(SelectedHitObject.Value, ComboColours)];
icon.Colour = OsuColour.ForegroundTextColourFor(BackgroundColour);
icon.Blending = BlendingParameters.Inherit;
Enabled.Value = true;
}
}

public Popover GetPopover() => new ComboColourPalettePopover(ComboColours, SelectedHitObject.Value.AsNonNull(), editorBeatmap);
}

private partial class ComboColourPalettePopover : OsuPopover
{
private readonly IReadOnlyList<Colour4> comboColours;
private readonly IHasComboInformation hasComboInformation;
private readonly EditorBeatmap editorBeatmap;

public ComboColourPalettePopover(IReadOnlyList<Colour4> comboColours, IHasComboInformation hasComboInformation, EditorBeatmap editorBeatmap)
{
this.comboColours = comboColours;
this.hasComboInformation = hasComboInformation;
this.editorBeatmap = editorBeatmap;

AllowableAnchors = [Anchor.CentreRight];
}

[BackgroundDependencyLoader]
private void load()
{
Debug.Assert(comboColours.Count > 0);
var hitObject = hasComboInformation as HitObject;
Debug.Assert(hitObject != null);

FillFlowContainer container;

Child = container = new FillFlowContainer
{
Width = 230,
AutoSizeAxes = Axes.Y,
Spacing = new Vector2(10),
};

int selectedColourIndex = comboIndexFor(hasComboInformation, comboColours);

for (int i = 0; i < comboColours.Count; i++)
{
int index = i;

if (getPreviousHitObjectWithCombo(editorBeatmap, hitObject) is IHasComboInformation previousHasCombo
&& index == comboIndexFor(previousHasCombo, comboColours)
&& !canReuseLastComboColour(editorBeatmap, hitObject))
{
continue;
}

container.Add(new OsuClickableContainer
{
Size = new Vector2(50),
Masking = true,
CornerRadius = 25,
Children = new[]
{
new Box
{
RelativeSizeAxes = Axes.Both,
Colour = comboColours[index],
},
selectedColourIndex == index
? new SpriteIcon
{
Icon = FontAwesome.Solid.Check,
Size = new Vector2(24),
Anchor = Anchor.Centre,
Origin = Anchor.Centre,
Colour = OsuColour.ForegroundTextColourFor(comboColours[index]),
}
: Empty()
},
Action = () =>
{
int comboDifference = index - selectedColourIndex;
if (comboDifference == 0)
return;

int newOffset = hasComboInformation.ComboOffset + comboDifference;
// `newOffset` must be positive to serialise correctly - this implements the true math "modulus" rather than the built-in "remainder" % op
// which can return negative results when the first operand is negative
newOffset -= (int)Math.Floor((double)newOffset / comboColours.Count) * comboColours.Count;

hasComboInformation.ComboOffset = newOffset;
editorBeatmap.BeginChange();
editorBeatmap.Update((HitObject)hasComboInformation);
editorBeatmap.EndChange();
this.HidePopover();
}
});
}
}

private static IHasComboInformation? getPreviousHitObjectWithCombo(EditorBeatmap editorBeatmap, HitObject hitObject)
=> editorBeatmap.HitObjects.TakeWhile(ho => ho != hitObject).LastOrDefault() as IHasComboInformation;

private static bool canReuseLastComboColour(EditorBeatmap editorBeatmap, HitObject hitObject)
{
double? closestBreakEnd = editorBeatmap.Breaks.Select(b => b.EndTime)
.Where(t => t <= hitObject.StartTime)
.OrderBy(t => t)
.LastOrDefault();

if (closestBreakEnd == null)
return false;

return editorBeatmap.HitObjects.FirstOrDefault(ho => ho.StartTime >= closestBreakEnd) == hitObject;
}
}

// compare `EditorBeatmapSkin.updateColours()` et al. for reasoning behind the off-by-one index rotation
private static int comboIndexFor(IHasComboInformation hasComboInformation, IReadOnlyCollection<Colour4> comboColours)
=> (hasComboInformation.ComboIndexWithOffsets + comboColours.Count - 1) % comboColours.Count;
}
}
Original file line number Diff line number Diff line change
Expand Up @@ -237,22 +237,17 @@ private void additionBankChanged(string bankName, TernaryState state)
/// <summary>
/// A collection of states which will be displayed to the user in the toolbox.
/// </summary>
public DrawableTernaryButton[] MainTernaryStates { get; private set; }
public Drawable[] MainTernaryStates { get; private set; }

public SampleBankTernaryButton[] SampleBankTernaryStates { get; private set; }

/// <summary>
/// Create all ternary states required to be displayed to the user.
/// </summary>
protected virtual IEnumerable<DrawableTernaryButton> CreateTernaryButtons()
protected virtual IEnumerable<Drawable> CreateTernaryButtons()
{
//TODO: this should only be enabled (visible?) for rulesets that provide combo-supporting HitObjects.
yield return new DrawableTernaryButton
{
Current = NewCombo,
Description = "New combo",
CreateIcon = () => new SpriteIcon { Icon = OsuIcon.EditorNewComboA },
};
yield return new NewComboTernaryButton { Current = NewCombo };

foreach (var kvp in SelectionHandler.SelectionSampleStates)
{
Expand Down

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