first commit

NitroxPatcher/Patches/Dynamic/Constructable_DeconstructAsync_Patch.cs

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+using System.Collections.Generic;
+using System.Reflection;
+using HarmonyLib;
+using NitroxModel.Helper;
+using NitroxPatcher.PatternMatching;
+using static System.Reflection.Emit.OpCodes;
+
+namespace NitroxPatcher.Patches.Dynamic;
+
+public sealed partial class Constructable_DeconstructAsync_Patch : NitroxPatch, IDynamicPatch
+{
+    public static readonly MethodInfo TARGET_METHOD = AccessTools.EnumeratorMoveNext(Reflect.Method((Constructable t) => t.DeconstructAsync(default, default)));
+
+    public static readonly InstructionsPattern InstructionsPattern = new()
+    {
+        Ldc_I4_0,
+        Ret,
+        Ldloc_1,
+        { InstructionPattern.Call(nameof(Constructable), nameof(Constructable.UpdateMaterial)), "InsertDestruction" }
+    };
+
+    public static readonly List<CodeInstruction> InstructionsToAdd = new()
+    {
+        new(Ldloc_1),
+        new(Ldc_I4_0), // False for "constructing"
+        new(Call, Reflect.Method(() => Constructable_Construct_Patch.ConstructionAmountModified(default, default)))
+    };
+
+    public static IEnumerable<CodeInstruction> Transpiler(MethodBase original, IEnumerable<CodeInstruction> instructions) =>
+        instructions.Transform(InstructionsPattern, (label, instruction) =>
+        {
+            if (label.Equals("InsertDestruction"))
+            {
+                return InstructionsToAdd;
+            }
+            return null;
+        });
+}