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osu-lazer/osu.Game/Screens/Play/HUD/JudgementCounter/JudgementCountController.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.
using System.Collections.Generic;
using System.Linq;
using osu.Framework.Allocation;
using osu.Framework.Bindables;
using osu.Framework.Graphics;
using osu.Framework.Localisation;
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using osu.Game.Rulesets;
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using osu.Game.Rulesets.Judgements;
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using osu.Game.Rulesets.Scoring;
namespace osu.Game.Screens.Play.HUD.JudgementCounter
{
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/// <summary>
/// Keeps track of judgements for a current play session, exposing bindable counts which can
/// be used for display purposes.
/// </summary>
public partial class JudgementCountController : Component
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{
[Resolved]
private ScoreProcessor scoreProcessor { get; set; } = null!;
private readonly Dictionary<HitResult, JudgementCount> results = new Dictionary<HitResult, JudgementCount>();
public IEnumerable<JudgementCount> Counters => counters;
private readonly List<JudgementCount> counters = new List<JudgementCount>();
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[BackgroundDependencyLoader]
private void load(IBindable<RulesetInfo> ruleset)
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{
// Due to weirdness in judgements, some results have the same name and should be aggregated for display purposes.
// There's only one case of this right now ("slider end").
foreach (var group in ruleset.Value.CreateInstance().GetHitResults().GroupBy(r => r.displayName))
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{
var judgementCount = new JudgementCount
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{
DisplayName = group.Key,
Types = group.Select(r => r.result).ToArray(),
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ResultCount = new BindableInt()
};
counters.Add(judgementCount);
foreach (var r in group)
results[r.result] = judgementCount;
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}
}
protected override void LoadComplete()
{
base.LoadComplete();
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scoreProcessor.NewJudgement += judgement => updateCount(judgement, false);
scoreProcessor.JudgementReverted += judgement => updateCount(judgement, true);
}
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private void updateCount(JudgementResult judgement, bool revert)
{
if (!results.TryGetValue(judgement.Type, out var count))
return;
if (revert)
count.ResultCount.Value--;
else
count.ResultCount.Value++;
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}
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public struct JudgementCount
{
public LocalisableString DisplayName { get; set; }
public HitResult[] Types { get; set; }
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public BindableInt ResultCount { get; set; }
}
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}
}