localavaster
66 lines
2.3 KiB
C#
66 lines
2.3 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 Mono.Cecil;
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using Mono.Cecil.Cil;
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using PerformanceFish.Prepatching;
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namespace PerformanceFish;
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public sealed class ModsConfigPatches : ClassWithFishPrepatches
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{
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public sealed class AreAllActivePatch : FishPrepatch
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{
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public override string? Description { get; }
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= "Fixes a MayRequire bug causing it to normally not recognize steam versions of mods if another local "
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+ "copy exists.";
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public override MethodBase TargetMethodBase { get; }
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= AccessTools.DeclaredMethod(typeof(ModsConfig), nameof(ModsConfig.AreAllActive), [typeof(string)])!;
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public override void Transpiler(ILProcessor ilProcessor, ModuleDefinition module)
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=> IsActiveFix(ilProcessor, module);
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}
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public sealed class IsAnyActiveOrEmptyPatch : FishPrepatch
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{
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public override string? Description { get; }
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= "Fixes a MayRequireAnyOf bug causing it to normally not recognize steam versions of mods if another "
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+ "local copy exists, as well as its inability to strip whitespace.";
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public override MethodBase TargetMethodBase { get; }
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= AccessTools.DeclaredMethod(typeof(ModsConfig), nameof(ModsConfig.IsAnyActiveOrEmpty),
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[typeof(IEnumerable<string>), typeof(bool)])!;
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public override void Transpiler(ILProcessor ilProcessor, ModuleDefinition module)
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=> IsActiveFix(ilProcessor, module);
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public static void Prefix(out bool trimNames) => trimNames = true;
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}
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private static void IsActiveFix(ILProcessor ilProcessor, ModuleDefinition module)
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{
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var instructions = ilProcessor.instructions;
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var success = false;
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for (var i = 0; i + 1 < instructions.Count; i++)
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{
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if (instructions[i].Operand is MethodReference { Name: nameof(ModsConfig.IsActive) })
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{
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instructions[i].Operand = module.ImportReference(IsActiveReplacement);
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success = true;
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}
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}
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if (!success)
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{
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Log.Error($"Performance Fish failed to apply its patch on '{
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ilProcessor.GetMethod().FullName}'. This should be harmless as it's meant to be just a bugfix.");
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}
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}
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public static bool IsActiveReplacement(string id) => ModLister.GetActiveModWithIdentifier(id, true) != null;
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}
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