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

174 lines
6.6 KiB
C#

// 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.Linq;
using osuTK.Graphics;
using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
using osu.Game.Graphics;
using osu.Game.Rulesets.Objects.Drawables;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Input.Bindings;
using osu.Game.Rulesets.Judgements;
using osu.Game.Rulesets.Mania.Objects.Drawables;
using osu.Game.Rulesets.Mania.UI.Components;
using osu.Game.Rulesets.UI.Scrolling;
using osu.Game.Skinning;
using osuTK;
using osu.Game.Rulesets.Mania.Beatmaps;
namespace osu.Game.Rulesets.Mania.UI
{
[Cached]
public class Column : ScrollingPlayfield, IKeyBindingHandler<ManiaAction>, IHasAccentColour
{
public const float COLUMN_WIDTH = 80;
public const float SPECIAL_COLUMN_WIDTH = 70;
/// <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>();
private readonly ColumnHitObjectArea hitObjectArea;
internal readonly Container TopLevelContainer;
public Column(int index)
{
Index = index;
RelativeSizeAxes = Axes.Y;
Width = COLUMN_WIDTH;
Drawable background = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.ColumnBackground, Index), _ => new DefaultColumnBackground())
{
RelativeSizeAxes = Axes.Both
};
InternalChildren = new[]
{
// For input purposes, the background is added at the highest depth, but is then proxied back below all other elements
background.CreateProxy(),
hitObjectArea = new ColumnHitObjectArea(Index, HitObjectContainer) { RelativeSizeAxes = Axes.Both },
new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.KeyArea, Index), _ => new DefaultKeyArea())
{
RelativeSizeAxes = Axes.Both
},
background,
TopLevelContainer = new Container { RelativeSizeAxes = Axes.Both }
};
TopLevelContainer.Add(hitObjectArea.Explosions.CreateProxy());
}
public override Axes RelativeSizeAxes => Axes.Y;
public ColumnType ColumnType { get; set; }
public bool IsSpecial => ColumnType == ColumnType.Special;
public Color4 AccentColour { get; set; }
protected override IReadOnlyDependencyContainer CreateChildDependencies(IReadOnlyDependencyContainer parent)
{
var dependencies = new DependencyContainer(base.CreateChildDependencies(parent));
dependencies.CacheAs<IBindable<ManiaAction>>(Action);
return dependencies;
}
/// <summary>
/// Adds a DrawableHitObject to this Playfield.
/// </summary>
/// <param name="hitObject">The DrawableHitObject to add.</param>
public override void Add(DrawableHitObject hitObject)
{
hitObject.AccentColour.Value = AccentColour;
hitObject.OnNewResult += OnNewResult;
HitObjectContainer.Add(hitObject);
}
public override bool Remove(DrawableHitObject h)
{
if (!base.Remove(h))
return false;
h.OnNewResult -= OnNewResult;
return true;
}
internal void OnNewResult(DrawableHitObject judgedObject, JudgementResult result)
{
if (!result.IsHit || !judgedObject.DisplayResult || !DisplayJudgements.Value)
return;
var explosion = new SkinnableDrawable(new ManiaSkinComponent(ManiaSkinComponents.HitExplosion, Index), _ =>
new DefaultHitExplosion(judgedObject.AccentColour.Value, judgedObject is DrawableHoldNoteTick))
{
RelativeSizeAxes = Axes.Both
};
hitObjectArea.Explosions.Add(explosion);
explosion.Delay(200).Expire(true);
}
public bool OnPressed(ManiaAction action)
{
if (action != Action.Value)
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();
return true;
}
public void OnReleased(ManiaAction action)
{
}
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
=> DrawRectangle.Inflate(new Vector2(Stage.COLUMN_SPACING / 2, 0)).Contains(ToLocalSpace(screenSpacePos));
public Vector2 ScreenSpacePositionAtTime(double time, Column column = null)
{
var pos = ScrollingInfo.Algorithm.PositionAt(time, Time.Current, ScrollingInfo.TimeRange.Value, HitObjectContainer.DrawHeight);
if (ScrollingInfo.Direction.Value == ScrollingDirection.Down)
{
// as explained above
pos = HitObjectContainer.DrawHeight - pos;
}
return HitObjectContainer.ToScreenSpace(new Vector2(HitObjectContainer.DrawWidth / 2, pos));
}
public double TimeAtScreenSpacePosition(Vector2 screenSpacePosition)
{
// convert to local space of column so we can snap and fetch correct location.
Vector2 localPosition = HitObjectContainer.ToLocalSpace(screenSpacePosition);
if (ScrollingInfo.Direction.Value == ScrollingDirection.Down)
{
// We're dealing with screen coordinates in which the position decreases towards the centre of the screen resulting in an increase in start time.
// The scrolling algorithm instead assumes a top anchor meaning an increase in time corresponds to an increase in position,
// so when scrolling downwards the coordinates need to be flipped.
localPosition.Y = HitObjectContainer.DrawHeight - localPosition.Y;
}
return ScrollingInfo.Algorithm.TimeAt(localPosition.Y, Time.Current, ScrollingInfo.TimeRange.Value, HitObjectContainer.DrawHeight);
}
}
}