osu/osu.Game/Modes/UI/HitRenderer.cs

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// Copyright (c) 2007-2017 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
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using System;
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using System.Collections.Generic;
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using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Graphics;
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using osu.Framework.Graphics.Containers;
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using osu.Game.Modes.Objects;
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using osu.Game.Modes.Objects.Drawables;
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namespace osu.Game.Modes.UI
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{
public abstract class HitRenderer : Container
{
public event Action<JudgementInfo> OnJudgement;
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public event Action OnAllJudged;
protected void TriggerOnJudgement(JudgementInfo j)
{
OnJudgement?.Invoke(j);
if (AllObjectsJudged)
OnAllJudged?.Invoke();
}
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protected Playfield Playfield;
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public bool AllObjectsJudged => Playfield.HitObjects.Children.First()?.Judgement.Result != null; //reverse depth sort means First() instead of Last().
public IEnumerable<DrawableHitObject> DrawableObjects => Playfield.HitObjects.Children;
}
public abstract class HitRenderer<T> : HitRenderer
where T : HitObject
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{
private List<T> objects;
public List<HitObject> Objects
{
set
{
objects = Convert(value);
if (IsLoaded)
loadObjects();
}
}
protected abstract Playfield CreatePlayfield();
protected abstract HitObjectConverter<T> Converter { get; }
protected virtual List<T> Convert(List<HitObject> objects) => Converter.Convert(objects);
public HitRenderer()
{
RelativeSizeAxes = Axes.Both;
}
[BackgroundDependencyLoader]
private void load()
{
Children = new Drawable[]
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{
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Playfield = CreatePlayfield()
};
loadObjects();
}
private void loadObjects()
{
if (objects == null) return;
foreach (T h in objects)
{
var drawableObject = GetVisualRepresentation(h);
if (drawableObject == null) continue;
drawableObject.OnJudgement += onJudgement;
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Playfield.Add(drawableObject);
}
}
private void onJudgement(DrawableHitObject o, JudgementInfo j) => TriggerOnJudgement(j);
protected abstract DrawableHitObject GetVisualRepresentation(T h);
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}
}