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NitroxPatcher/Patches/Dynamic/CyclopsShieldButton_OnClick_Patch.cs

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+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Reflection.Emit;
+using HarmonyLib;
+using NitroxModel.Helper;
+
+namespace NitroxPatcher.Patches.Dynamic;
+
+public sealed partial class CyclopsShieldButton_OnClick_Patch : NitroxPatch, IDynamicPatch
+{
+    public static readonly MethodInfo TARGET_METHOD = Reflect.Method((CyclopsShieldButton t) => t.OnClick());
+    public static readonly OpCode START_CUT_CODE = OpCodes.Ldsfld;
+    public static readonly OpCode START_CUT_CODE_CALL = OpCodes.Callvirt;
+    public static readonly FieldInfo PLAYER_MAIN_FIELD = Reflect.Field(() => Player.main);
+    public static readonly OpCode END_CUT_CODE = OpCodes.Ret;
+
+    public static IEnumerable<CodeInstruction> Transpiler(MethodBase original, IEnumerable<CodeInstruction> instructions)
+    {
+        List<CodeInstruction> instructionList = instructions.ToList();
+        int startCut = 0;
+        int endCut = instructionList.Count;
+        /* Cut out
+         * if (Player.main.currentSub != this.subRoot)
+         * {
+         * 	return;
+         * }
+         */
+        for (int i = 1; i < instructionList.Count; i++)
+        {
+            if (instructionList[i - 1].opcode.Equals(START_CUT_CODE) && instructionList[i - 1].operand.Equals(PLAYER_MAIN_FIELD) && instructionList[i].opcode == START_CUT_CODE_CALL)
+            {
+                startCut = i - 1;
+            }
+            // Cut at the first return encountered
+            if (endCut == instructionList.Count && instructionList[i].opcode.Equals(END_CUT_CODE))
+            {
+                endCut = i;
+            }
+        }
+        instructionList.RemoveRange(startCut, endCut + 1);
+        if (startCut == 0)
+        {
+            instructionList.Insert(0, new CodeInstruction(OpCodes.Nop));
+        }
+        return instructionList;
+    }
+}