bbradson
72 lines
2.1 KiB
C#
72 lines
2.1 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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using StyleDominanceCache
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= PerformanceFish.Cache.ByInt<Verse.Thing, RimWorld.Ideo,
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PerformanceFish.IdeoUtilityCaching.StyleDominanceCacheValue>;
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namespace PerformanceFish;
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public sealed class IdeoUtilityCaching : ClassWithFishPrepatches
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{
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public sealed class GetStyleDominance_Patch : FishPrepatch
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{
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public override string Description { get; }
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= "Caches IdeoUtility.GetStyleDominance to only update about once every 900 ticks or so.";
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public override MethodBase TargetMethodBase { get; } = methodof(IdeoUtility.GetStyleDominance);
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static bool Prefix(Thing? t, Ideo? ideo, ref float __result, out bool __state)
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{
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if (t is null || ideo is null || t.thingIDNumber < 0)
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{
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__state = false;
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return true;
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}
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ref var cache = ref StyleDominanceCache.GetOrAddReference(new(t.thingIDNumber, ideo.id));
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if (cache.Dirty)
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return __state = true;
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__result = cache.Value;
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return __state = false;
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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public static void Postfix(Thing t, Ideo ideo, bool __state, float __result)
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{
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if (!__state)
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return;
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UpdateCache(t, ideo, __result);
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}
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[MethodImpl(MethodImplOptions.NoInlining)]
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private static void UpdateCache(Thing t, Ideo ideo, float __result)
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=> StyleDominanceCache.GetExistingReference(t, ideo).Update(__result, t);
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}
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public record struct StyleDominanceCacheValue
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{
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public float Value;
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private int _nextRefreshTick;
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public void Update(float value, Thing thing)
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{
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Value = value;
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_nextRefreshTick = TickHelper.Add(900 - 128, thing.thingIDNumber, 256);
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// Pawn_StyleObserverTracker.StyleObservableTick runs every 900 ticks
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}
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public bool Dirty
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{
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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get => TickHelper.Past(_nextRefreshTick);
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}
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}
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} |