osu/osu.Game.Rulesets.Mania/UI/Column.cs

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// 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.
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using System.Linq;
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using osuTK.Graphics;
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using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Graphics;
using osu.Game.Rulesets.Objects.Drawables;
using osu.Framework.Allocation;
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using osu.Framework.Bindables;
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using osu.Framework.Input.Bindings;
using osu.Game.Rulesets.Judgements;
using osu.Game.Rulesets.Mania.UI.Components;
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using osu.Game.Rulesets.UI.Scrolling;
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using osuTK;
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namespace osu.Game.Rulesets.Mania.UI
{
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public class Column : ScrollingPlayfield, IKeyBindingHandler<ManiaAction>, IHasAccentColour
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{
private const float column_width = 45;
private const float special_column_width = 70;
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/// <summary>
/// The index of this column as part of the whole playfield.
/// </summary>
public readonly int Index;
public readonly Bindable<ManiaAction> Action = new Bindable<ManiaAction>();
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private readonly ColumnBackground background;
private readonly ColumnKeyArea keyArea;
private readonly ColumnHitObjectArea hitObjectArea;
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internal readonly Container TopLevelContainer;
private readonly Container explosionContainer;
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public Column(int index)
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{
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Index = index;
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RelativeSizeAxes = Axes.Y;
Width = column_width;
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Masking = true;
CornerRadius = 5;
background = new ColumnBackground { RelativeSizeAxes = Axes.Both };
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Container hitTargetContainer;
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InternalChildren = new[]
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{
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// For input purposes, the background is added at the highest depth, but is then proxied back below all other elements
background.CreateProxy(),
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hitTargetContainer = new Container
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{
Name = "Hit target + hit objects",
RelativeSizeAxes = Axes.Both,
Children = new Drawable[]
{
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hitObjectArea = new ColumnHitObjectArea(HitObjectContainer)
{
RelativeSizeAxes = Axes.Both,
},
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explosionContainer = new Container
{
Name = "Hit explosions",
RelativeSizeAxes = Axes.Both
}
}
},
keyArea = new ColumnKeyArea
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{
RelativeSizeAxes = Axes.X,
Height = ManiaStage.HIT_TARGET_POSITION,
},
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background,
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TopLevelContainer = new Container { RelativeSizeAxes = Axes.Both }
};
TopLevelContainer.Add(explosionContainer.CreateProxy());
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Direction.BindValueChanged(dir =>
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{
hitTargetContainer.Padding = new MarginPadding
{
Top = dir.NewValue == ScrollingDirection.Up ? ManiaStage.HIT_TARGET_POSITION : 0,
Bottom = dir.NewValue == ScrollingDirection.Down ? ManiaStage.HIT_TARGET_POSITION : 0,
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};
keyArea.Anchor = keyArea.Origin = dir.NewValue == ScrollingDirection.Up ? Anchor.TopLeft : Anchor.BottomLeft;
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}, true);
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}
public override Axes RelativeSizeAxes => Axes.Y;
private bool isSpecial;
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public bool IsSpecial
{
get => isSpecial;
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set
{
if (isSpecial == value)
return;
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isSpecial = value;
Width = isSpecial ? special_column_width : column_width;
}
}
private Color4 accentColour;
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public Color4 AccentColour
{
get => accentColour;
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set
{
if (accentColour == value)
return;
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accentColour = value;
background.AccentColour = value;
keyArea.AccentColour = value;
hitObjectArea.AccentColour = value;
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}
}
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protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent)
{
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var dependencies = new DependencyContainer(base.CreateChildDependencies(parent));
dependencies.CacheAs<IBindable<ManiaAction>>(Action);
return dependencies;
}
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/// <summary>
/// Adds a DrawableHitObject to this Playfield.
/// </summary>
/// <param name="hitObject">The DrawableHitObject to add.</param>
public override void Add(DrawableHitObject hitObject)
{
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hitObject.AccentColour.Value = AccentColour;
hitObject.OnNewResult += OnNewResult;
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HitObjectContainer.Add(hitObject);
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}
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public override bool Remove(DrawableHitObject h)
{
if (!base.Remove(h))
return false;
h.OnNewResult -= OnNewResult;
return true;
}
internal void OnNewResult(DrawableHitObject judgedObject, JudgementResult result)
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{
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if (!result.IsHit || !judgedObject.DisplayResult || !DisplayJudgements.Value)
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return;
explosionContainer.Add(new HitExplosion(judgedObject)
{
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Anchor = Direction.Value == ScrollingDirection.Up ? Anchor.TopCentre : Anchor.BottomCentre
});
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}
public bool OnPressed(ManiaAction action)
{
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if (action != Action.Value)
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return false;
var nextObject =
HitObjectContainer.AliveObjects.FirstOrDefault(h => h.HitObject.StartTime > Time.Current) ??
// fallback to non-alive objects to find next off-screen object
HitObjectContainer.Objects.FirstOrDefault(h => h.HitObject.StartTime > Time.Current) ??
HitObjectContainer.Objects.LastOrDefault();
nextObject?.PlaySamples();
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return true;
}
public bool OnReleased(ManiaAction action) => false;
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public override bool ReceivePositionalInputAt(Vector2 screenSpacePos)
// This probably shouldn't exist as is, but the columns in the stage are separated by a 1px border
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=> DrawRectangle.Inflate(new Vector2(ManiaStage.COLUMN_SPACING / 2, 0)).Contains(ToLocalSpace(screenSpacePos));
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}
}