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osu-lazer/osu.Game.Rulesets.Mania/Objects/Drawables/DrawableHoldNote.cs
2017-06-07 19:17:45 +09:00

239 lines
8.3 KiB
C#

// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using osu.Game.Rulesets.Objects.Drawables;
using osu.Framework.Graphics;
using osu.Game.Rulesets.Mania.Objects.Drawables.Pieces;
using OpenTK.Graphics;
using osu.Framework.Configuration;
using OpenTK.Input;
using osu.Framework.Input;
using OpenTK;
using osu.Framework.Graphics.Containers;
using osu.Game.Rulesets.Mania.Judgements;
using osu.Framework.Extensions.IEnumerableExtensions;
namespace osu.Game.Rulesets.Mania.Objects.Drawables
{
/// <summary>
/// Visualises a <see cref="HoldNote"/> hit object.
/// </summary>
public class DrawableHoldNote : DrawableManiaHitObject<HoldNote>
{
private readonly DrawableNote head;
private readonly DrawableNote tail;
private readonly BodyPiece bodyPiece;
private readonly Container<DrawableHoldNoteTick> tickContainer;
/// <summary>
/// Time at which the user started holding this hold note. Null if the user is not holding this hold note.
/// </summary>
private double? holdStartTime;
/// <summary>
/// Whether the hold note has been released too early and shouldn't give full score for the release.
/// </summary>
private bool hasBroken;
public DrawableHoldNote(HoldNote hitObject, Bindable<Key> key = null)
: base(hitObject, key)
{
RelativeSizeAxes = Axes.Both;
Height = (float)HitObject.Duration;
Add(new Drawable[]
{
// For now the body piece covers the entire height of the container
// whereas possibly in the future we don't want to extend under the head/tail.
// This will be fixed when new designs are given or the current design is finalized.
bodyPiece = new BodyPiece
{
Anchor = Anchor.TopCentre,
Origin = Anchor.TopCentre,
},
tickContainer = new Container<DrawableHoldNoteTick>
{
RelativeSizeAxes = Axes.Both,
RelativeChildOffset = new Vector2(0, (float)HitObject.StartTime),
RelativeChildSize = new Vector2(1, (float)HitObject.Duration)
},
head = new DrawableHeadNote(this, key)
{
Anchor = Anchor.TopCentre,
Origin = Anchor.TopCentre
},
tail = new DrawableTailNote(this, key)
{
Anchor = Anchor.BottomCentre,
Origin = Anchor.TopCentre
}
});
foreach (var tick in HitObject.Ticks)
{
var drawableTick = new DrawableHoldNoteTick(tick)
{
HoldStartTime = () => holdStartTime
};
tickContainer.Add(drawableTick);
AddNested(drawableTick);
}
AddNested(head);
AddNested(tail);
}
public override Color4 AccentColour
{
get { return base.AccentColour; }
set
{
if (base.AccentColour == value)
return;
base.AccentColour = value;
tickContainer.Children.ForEach(t => t.AccentColour = value);
bodyPiece.AccentColour = value;
head.AccentColour = value;
tail.AccentColour = value;
}
}
protected override void UpdateState(ArmedState state)
{
}
protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
{
// Make sure the keypress happened within the body of the hold note
if (Time.Current < HitObject.StartTime || Time.Current > HitObject.EndTime)
return false;
if (args.Key != Key)
return false;
if (args.Repeat)
return false;
// The user has pressed during the body of the hold note, after the head note and its hit windows have passed
// and within the limited range of the above if-statement. This state will be managed by the head note if the
// user has pressed during the hit windows of the head note.
holdStartTime = Time.Current;
return true;
}
protected override bool OnKeyUp(InputState state, KeyUpEventArgs args)
{
// Make sure that the user started holding the key during the hold note
if (!holdStartTime.HasValue)
return false;
if (args.Key != Key)
return false;
holdStartTime = null;
// If the key has been released too early, the user should not receive full score for the release
if (!tail.Judged)
hasBroken = true;
return true;
}
/// <summary>
/// The head note of a hold.
/// </summary>
private class DrawableHeadNote : DrawableNote
{
private readonly DrawableHoldNote holdNote;
public DrawableHeadNote(DrawableHoldNote holdNote, Bindable<Key> key = null)
: base(holdNote.HitObject.Head, key)
{
this.holdNote = holdNote;
RelativePositionAxes = Axes.None;
Y = 0;
}
protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
{
if (!base.OnKeyDown(state, args))
return false;
// We only want to trigger a holding state from the head if the head has received a judgement
if (!Judged)
return false;
// If the key has been released too early, the user should not receive full score for the release
if (Judgement.Result == HitResult.Miss)
holdNote.hasBroken = true;
// The head note also handles early hits before the body, but we want accurate early hits to count as the body being held
// The body doesn't handle these early early hits, so we have to explicitly set the holding state here
holdNote.holdStartTime = Time.Current;
return true;
}
}
/// <summary>
/// The tail note of a hold.
/// </summary>
private class DrawableTailNote : DrawableNote
{
private readonly DrawableHoldNote holdNote;
public DrawableTailNote(DrawableHoldNote holdNote, Bindable<Key> key = null)
: base(holdNote.HitObject.Tail, key)
{
this.holdNote = holdNote;
RelativePositionAxes = Axes.None;
Y = 0;
}
protected override ManiaJudgement CreateJudgement() => new HoldNoteTailJudgement();
protected override void CheckJudgement(bool userTriggered)
{
base.CheckJudgement(userTriggered);
var tailJudgement = Judgement as HoldNoteTailJudgement;
if (tailJudgement == null)
return;
tailJudgement.HasBroken = holdNote.hasBroken;
}
protected override bool OnKeyUp(InputState state, KeyUpEventArgs args)
{
// Make sure that the user started holding the key during the hold note
if (!holdNote.holdStartTime.HasValue)
return false;
if (Judgement.Result != HitResult.None)
return false;
if (args.Key != Key)
return false;
UpdateJudgement(true);
// Handled by the hold note, which will set holding = false
return false;
}
protected override bool OnKeyDown(InputState state, KeyDownEventArgs args)
{
// Tail doesn't handle key down
return false;
}
}
}
}