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https://github.com/ppy/osu
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51 lines
2.1 KiB
C#
51 lines
2.1 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.Game.Configuration;
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using osu.Game.Rulesets.Judgements;
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using osu.Game.Rulesets.Scoring;
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namespace osu.Game.Rulesets.Mods
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{
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public abstract class ModFailCondition : Mod, IApplicableToHealthProcessor, IApplicableFailOverride
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{
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public override Type[] IncompatibleMods => new[] { typeof(ModNoFail), typeof(ModRelax) };
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[SettingSource("Restart on fail", "Automatically restarts when failed.")]
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public BindableBool Restart { get; } = new BindableBool();
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public virtual bool PerformFail() => true;
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public virtual bool RestartOnFail => Restart.Value;
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private Action? triggerFailureDelegate;
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public void ApplyToHealthProcessor(HealthProcessor healthProcessor)
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{
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triggerFailureDelegate = healthProcessor.TriggerFailure;
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healthProcessor.FailConditions += FailCondition;
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}
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/// <summary>
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/// Immediately triggers a failure on the loaded <see cref="HealthProcessor"/>.
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/// </summary>
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protected void TriggerFailure() => triggerFailureDelegate?.Invoke();
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/// <summary>
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/// Determines whether <paramref name="result"/> should trigger a failure. Called every time a
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/// judgement is applied to <paramref name="healthProcessor"/>.
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/// </summary>
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/// <param name="healthProcessor">The loaded <see cref="HealthProcessor"/>.</param>
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/// <param name="result">The latest <see cref="JudgementResult"/>.</param>
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/// <returns>Whether the fail condition has been met.</returns>
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/// <remarks>
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/// This method should only be used to trigger failures based on <paramref name="result"/>.
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/// Using outside values to evaluate failure may introduce event ordering discrepancies, use
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/// an <see cref="IApplicableMod"/> with <see cref="TriggerFailure"/> instead.
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/// </remarks>
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protected abstract bool FailCondition(HealthProcessor healthProcessor, JudgementResult result);
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}
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}
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