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osu-lazer/osu.Game.Rulesets.Taiko/Objects/Drawables/DrawableDrumRoll.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;
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using System.Linq;
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using JetBrains.Annotations;
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using osu.Framework.Allocation;
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using osu.Framework.Utils;
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using osu.Game.Graphics;
using osu.Game.Rulesets.Objects.Drawables;
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using osuTK.Graphics;
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using osu.Framework.Graphics;
using osu.Framework.Graphics.Containers;
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using osu.Framework.Input.Events;
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using osu.Game.Rulesets.Judgements;
using osu.Game.Rulesets.Objects;
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using osu.Game.Rulesets.Scoring;
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using osu.Game.Rulesets.Taiko.Skinning.Default;
using osu.Game.Skinning;
using osuTK;
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namespace osu.Game.Rulesets.Taiko.Objects.Drawables
{
public class DrawableDrumRoll : DrawableTaikoStrongableHitObject<DrumRoll, DrumRoll.StrongNestedHit>
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{
/// <summary>
/// Number of rolling hits required to reach the dark/final colour.
/// </summary>
private const int rolling_hits_for_engaged_colour = 5;
/// <summary>
/// Rolling number of tick hits. This increases for hits and decreases for misses.
/// </summary>
private int rollingHits;
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private readonly Container tickContainer;
private Color4 colourIdle;
private Color4 colourEngaged;
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public DrawableDrumRoll()
: this(null)
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{
}
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public DrawableDrumRoll([CanBeNull] DrumRoll drumRoll)
: base(drumRoll)
{
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RelativeSizeAxes = Axes.Y;
Content.Add(tickContainer = new Container
{
RelativeSizeAxes = Axes.Both,
Depth = float.MinValue
});
}
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[BackgroundDependencyLoader]
private void load(OsuColour colours)
{
colourIdle = colours.YellowDark;
colourEngaged = colours.YellowDarker;
}
protected override void LoadComplete()
{
base.LoadComplete();
OnNewResult += onNewResult;
}
protected override void RecreatePieces()
{
base.RecreatePieces();
updateColour();
}
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protected override void OnFree()
{
base.OnFree();
rollingHits = 0;
}
protected override void AddNestedHitObject(DrawableHitObject hitObject)
{
base.AddNestedHitObject(hitObject);
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switch (hitObject)
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{
case DrawableDrumRollTick tick:
tickContainer.Add(tick);
break;
}
}
protected override void ClearNestedHitObjects()
{
base.ClearNestedHitObjects();
tickContainer.Clear(false);
}
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protected override DrawableHitObject CreateNestedHitObject(HitObject hitObject)
{
switch (hitObject)
{
case DrumRollTick tick:
return new DrawableDrumRollTick(tick);
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}
return base.CreateNestedHitObject(hitObject);
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}
protected override SkinnableDrawable CreateMainPiece() => new SkinnableDrawable(new TaikoSkinComponent(TaikoSkinComponents.DrumRollBody),
_ => new ElongatedCirclePiece());
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public override bool OnPressed(KeyBindingPressEvent<TaikoAction> e) => false;
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private void onNewResult(DrawableHitObject obj, JudgementResult result)
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{
if (!(obj is DrawableDrumRollTick))
return;
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if (result.IsHit)
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rollingHits++;
else
rollingHits--;
rollingHits = Math.Clamp(rollingHits, 0, rolling_hits_for_engaged_colour);
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updateColour(100);
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}
protected override void CheckForResult(bool userTriggered, double timeOffset)
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{
if (userTriggered)
return;
if (timeOffset < 0)
return;
int countHit = NestedHitObjects.Count(o => o.IsHit);
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if (countHit >= HitObject.RequiredGoodHits)
{
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ApplyResult(r => r.Type = countHit >= HitObject.RequiredGreatHits ? HitResult.Great : HitResult.Ok);
}
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else
ApplyResult(r => r.Type = r.Judgement.MinResult);
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}
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protected override void UpdateHitStateTransforms(ArmedState state)
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{
switch (state)
{
case ArmedState.Hit:
case ArmedState.Miss:
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this.FadeOut(100);
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break;
}
}
protected override void Update()
{
base.Update();
OriginPosition = new Vector2(DrawHeight);
Content.X = DrawHeight / 2;
}
protected override DrawableStrongNestedHit CreateStrongNestedHit(DrumRoll.StrongNestedHit hitObject) => new StrongNestedHit(hitObject);
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private void updateColour(double fadeDuration = 0)
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{
Color4 newColour = Interpolation.ValueAt((float)rollingHits / rolling_hits_for_engaged_colour, colourIdle, colourEngaged, 0, 1);
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(MainPiece.Drawable as IHasAccentColour)?.FadeAccent(newColour, fadeDuration);
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}
public class StrongNestedHit : DrawableStrongNestedHit
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{
public new DrawableDrumRoll ParentHitObject => (DrawableDrumRoll)base.ParentHitObject;
public StrongNestedHit()
: this(null)
{
}
public StrongNestedHit([CanBeNull] DrumRoll.StrongNestedHit nestedHit)
: base(nestedHit)
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{
}
protected override void CheckForResult(bool userTriggered, double timeOffset)
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{
if (!ParentHitObject.Judged)
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return;
ApplyResult(r => r.Type = ParentHitObject.IsHit ? r.Judgement.MaxResult : r.Judgement.MinResult);
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}
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public override bool OnPressed(KeyBindingPressEvent<TaikoAction> e) => false;
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}
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}
}