mirror of https://github.com/ppy/osu
44 lines
2.0 KiB
C#
44 lines
2.0 KiB
C#
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
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// 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 osu.Framework.Graphics;
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using osu.Game.Configuration;
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using osu.Game.Rulesets.Configuration;
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namespace osu.Game.Rulesets
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{
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/// <summary>
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/// A cache that provides a single <see cref="IRulesetConfigManager"/> per-ruleset.
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/// This is done to support referring to and updating ruleset configs from multiple locations in the absence of inter-config bindings.
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/// </summary>
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public class RulesetConfigCache : Component
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{
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private readonly Dictionary<int, IRulesetConfigManager> configCache = new Dictionary<int, IRulesetConfigManager>();
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private readonly SettingsStore settingsStore;
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public RulesetConfigCache(SettingsStore settingsStore)
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{
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this.settingsStore = settingsStore;
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}
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/// <summary>
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/// Retrieves the <see cref="IRulesetConfigManager"/> for a <see cref="Ruleset"/>.
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/// </summary>
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/// <param name="ruleset">The <see cref="Ruleset"/> to retrieve the <see cref="IRulesetConfigManager"/> for.</param>
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/// <returns>The <see cref="IRulesetConfigManager"/> defined by <paramref name="ruleset"/>, null if <paramref name="ruleset"/> doesn't define one.</returns>
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/// <exception cref="InvalidOperationException">If <paramref name="ruleset"/> doesn't have a valid <see cref="RulesetInfo.ID"/>.</exception>
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public IRulesetConfigManager GetConfigFor(Ruleset ruleset)
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{
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if (ruleset.RulesetInfo.ID == null)
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throw new InvalidOperationException("The provided ruleset doesn't have a valid id.");
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if (configCache.TryGetValue(ruleset.RulesetInfo.ID.Value, out var existing))
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return existing;
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return configCache[ruleset.RulesetInfo.ID.Value] = ruleset.CreateConfig(settingsStore);
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}
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}
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}
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