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84 lines
2.8 KiB
C#
84 lines
2.8 KiB
C#
// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
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// See the LICENCE file in the repository root for full licence text.
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using System;
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using osu.Framework.Bindables;
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using osu.Framework.Utils;
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using osu.Game.Rulesets.Judgements;
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namespace osu.Game.Rulesets.Scoring
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{
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public abstract class HealthProcessor : JudgementProcessor
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{
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/// <summary>
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/// Invoked when the <see cref="ScoreProcessor"/> is in a failed state.
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/// Return true if the fail was permitted.
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/// </summary>
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public event Func<bool> Failed;
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/// <summary>
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/// Additional conditions on top of <see cref="DefaultFailCondition"/> that cause a failing state.
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/// </summary>
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public event Func<HealthProcessor, JudgementResult, bool> FailConditions;
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/// <summary>
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/// The current health.
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/// </summary>
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public readonly BindableDouble Health = new BindableDouble(1) { MinValue = 0, MaxValue = 1 };
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/// <summary>
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/// Whether gameplay is currently in a break.
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/// </summary>
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public readonly IBindable<bool> IsBreakTime = new Bindable<bool>();
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/// <summary>
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/// Whether this ScoreProcessor has already triggered the failed state.
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/// </summary>
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public bool HasFailed { get; private set; }
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protected override void ApplyResultInternal(JudgementResult result)
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{
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result.HealthAtJudgement = Health.Value;
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result.FailedAtJudgement = HasFailed;
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if (HasFailed)
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return;
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Health.Value += GetHealthIncreaseFor(result);
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if (!DefaultFailCondition && FailConditions?.Invoke(this, result) != true)
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return;
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if (Failed?.Invoke() != false)
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HasFailed = true;
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}
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protected override void RevertResultInternal(JudgementResult result)
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{
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Health.Value = result.HealthAtJudgement;
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// Todo: Revert HasFailed state with proper player support
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}
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/// <summary>
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/// Retrieves the health increase for a <see cref="JudgementResult"/>.
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/// </summary>
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/// <param name="result">The <see cref="JudgementResult"/>.</param>
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/// <returns>The health increase.</returns>
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protected virtual double GetHealthIncreaseFor(JudgementResult result) => result.Judgement.HealthIncreaseFor(result);
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/// <summary>
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/// The default conditions for failing.
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/// </summary>
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protected virtual bool DefaultFailCondition => Precision.AlmostBigger(Health.MinValue, Health.Value);
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protected override void Reset(bool storeResults)
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{
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base.Reset(storeResults);
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Health.Value = 1;
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HasFailed = false;
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}
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}
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}
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