bbradson
53 lines
1.7 KiB
C#
53 lines
1.7 KiB
C#
// Copyright (c) 2023 bradson
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at https://mozilla.org/MPL/2.0/.
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using PerformanceFish.Prepatching;
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namespace PerformanceFish;
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public sealed class ContentFinderCaching : ClassWithFishPrepatches
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{
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public sealed class Get_Patch : FishPrepatch
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{
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public override string? Description { get; }
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= "Caches texture lookups on the ContentFinder. This has a relatively large performance impact when used "
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+ "with mods like humanoid alien races";
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public override MethodBase TargetMethodBase { get; } = methodof(ContentFinder<Texture2D>.Get);
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool Prefix<T>(string itemPath, bool reportFailure, ref T? __result, out bool __state)
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{
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ref var cache = ref Cache.ByReference<string, CacheValue<T>>.GetOrAddReference(itemPath);
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if (!cache.Cached || !OnStartup.State.Initialized)
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return __state = true;
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__result = cache.Value;
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return __state = reportFailure && __result is null;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static void Postfix<T>(string itemPath, T? __result, bool __state)
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{
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if (!__state)
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return;
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UpdateCache(itemPath, __result);
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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private static void UpdateCache<T>(string itemPath, T? __result)
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{
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ref var cache = ref Cache.ByReference<string, CacheValue<T>>.GetExistingReference(itemPath);
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cache.Cached = true;
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cache.Value = __result;
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}
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}
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public record struct CacheValue<T>(bool Cached, T? Value);
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} |