34 lines
1.7 KiB
C#
34 lines
1.7 KiB
C#
using System.Collections.Generic;
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using System.Reflection;
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using System.Reflection.Emit;
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using HarmonyLib;
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using NitroxModel.Helper;
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namespace NitroxPatcher.Patches.Dynamic;
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/// <summary>
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/// When items are spawned in Subnautica will automatically add batteries to them async. This is challenging to deal with because it is
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/// difficult to discriminate between these async/default additions and a user purposfully placing batteries into an object. Instead, we
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/// disable the default behavior and allow Nitrox to always spawn the batteries. This guarentees we can capture the ids correctly.
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/// </summary>
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public sealed partial class EnergyMixin_SpawnDefaultAsync_Patch : NitroxPatch, IDynamicPatch
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{
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public static readonly MethodInfo TARGET_METHOD = AccessTools.EnumeratorMoveNext(Reflect.Method((EnergyMixin t) => t.SpawnDefaultAsync(default(float), default(TaskResult<bool>))));
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public static IEnumerable<CodeInstruction> Transpiler(MethodBase original, IEnumerable<CodeInstruction> instructions)
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{
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// Blanks out the generated MoveNext() and replaces it with:
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//
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// result.set(false);
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// return false;
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//
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yield return new CodeInstruction(OpCodes.Ldarg_0);
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yield return new CodeInstruction(OpCodes.Ldfld, TARGET_METHOD.DeclaringType.GetField("result", BindingFlags.Instance | BindingFlags.Public));
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yield return new CodeInstruction(OpCodes.Ldc_I4_0);
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yield return new CodeInstruction(OpCodes.Callvirt, Reflect.Method((TaskResult<bool> result) => result.Set(default)));
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yield return new CodeInstruction(OpCodes.Ldc_I4_0);
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yield return new CodeInstruction(OpCodes.Ret);
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}
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}
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