fix: ChangingDisruptorMode transpiler location (#608)

* Update ChangingDisruptorModeEventArgs.cs

* Update ChangingDisruptorMode.cs

* Update ChangingDisruptorMode.cs

* Update ChangingDisruptorMode.cs

* Update ChangingDisruptorMode.cs

Author: MS-crew

EXILED/Exiled.Events/EventArgs/Player/ChangingDisruptorModeEventArgs.cs

@@ -11,6 +11,7 @@ namespace Exiled.Events.EventArgs.Player
     using Exiled.API.Features;
     using Exiled.API.Features.Items;
     using Exiled.Events.EventArgs.Interfaces;
+    using InventorySystem.Items;
 
     /// <summary>
     /// Contains all information before disruptor's mode is changed.
@@ -22,9 +23,9 @@ public class ChangingDisruptorModeEventArgs : IFirearmEvent
         /// </summary>
         /// <param name="firearm"><inheritdoc cref="Firearm"/></param>
         /// <param name="mode"><inheritdoc cref="NewMode"/></param>
-        public ChangingDisruptorModeEventArgs(Item firearm, bool mode)
+        public ChangingDisruptorModeEventArgs(ItemBase firearm, bool mode)
         {
-            Firearm = firearm.As<Firearm>();
+            Firearm = Item.Get(firearm).As<Firearm>();
             NewMode = mode ? DisruptorMode.Disintegrator : DisruptorMode.BurstFire;
         }
 
@@ -42,4 +43,4 @@ public ChangingDisruptorModeEventArgs(Item firearm, bool mode)
         /// <inheritdoc />
         public Player Player => Item.Owner;
     }
-}
+}

EXILED/Exiled.Events/Patches/Events/Player/ChangingDisruptorMode.cs

@@ -1,4 +1,4 @@
-// -----------------------------------------------------------------------
+// -----------------------------------------------------------------------
 // <copyright file="ChangingDisruptorMode.cs" company="ExMod Team">
 // Copyright (c) ExMod Team. All rights reserved.
 // Licensed under the CC BY-SA 3.0 license.
@@ -8,15 +8,13 @@
 namespace Exiled.Events.Patches.Events.Player
 {
     using System.Collections.Generic;
-    using System.Linq;
     using System.Reflection.Emit;
 
-    using Exiled.API.Features.Items;
     using Exiled.API.Features.Pools;
     using Exiled.Events.Attributes;
     using Exiled.Events.EventArgs.Player;
     using HarmonyLib;
-    using InventorySystem.Items;
+
     using InventorySystem.Items.Firearms.Modules;
     using Mirror;
 
@@ -30,36 +28,37 @@ namespace Exiled.Events.Patches.Events.Player
     [HarmonyPatch(typeof(DisruptorModeSelector), nameof(DisruptorModeSelector.ServerProcessCmd))]
     internal static class ChangingDisruptorMode
     {
-        private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstruction> instructions)
+        private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstruction> instructions, ILGenerator generator)
         {
             List<CodeInstruction> newInstructions = ListPool<CodeInstruction>.Pool.Get(instructions);
 
-            int index = newInstructions.FindLastIndex(x => x.opcode == OpCodes.Ldarg_0);
+            LocalBuilder newMode = generator.DeclareLocal(typeof(bool));
+
+            int offset = 2;
+            int index = newInstructions.FindIndex(x => x.Calls(Method(typeof(NetworkReaderExtensions), nameof(NetworkReaderExtensions.ReadBool))));
 
-            newInstructions.InsertRange(index, new CodeInstruction[]
+            newInstructions.InsertRange(index + offset, new CodeInstruction[]
             {
-                // Item.Get(this.Firearm);
+                // this.Firearm;
                 new(OpCodes.Ldarg_0),
                 new(OpCodes.Callvirt, PropertyGetter(typeof(DisruptorModeSelector), nameof(DisruptorModeSelector.Firearm))),
-                new(OpCodes.Call, GetDeclaredMethods(typeof(Item)).Find(x => !x.IsGenericMethod && x.GetParameters().FirstOrDefault()?.ParameterType == typeof(ItemBase))),
 
-                // reader.ReadBool();
-                new(OpCodes.Ldarg_1),
-                new(OpCodes.Call, Method(typeof(NetworkReaderExtensions), nameof(NetworkReaderExtensions.ReadBool))),
+                // newMode;
+                new(OpCodes.Ldloc, newMode),
 
-                // ChangerDisruptorModeEventArgs ev = new(Item.Get(this.Firearm), reader.ReadBool(), true);
+                // ChangerDisruptorModeEventArgs ev = new(this.Firearm, newMode);
                 new(OpCodes.Newobj, GetDeclaredConstructors(typeof(ChangingDisruptorModeEventArgs))[0]),
 
                 // Handlers.Player.OnChangingDisruptorMode(ev);
                 new(OpCodes.Call, Method(typeof(Handlers.Player), nameof(Handlers.Player.OnChangingDisruptorMode))),
+            });
 
-                // reader.Position--;
-                new(OpCodes.Ldarg_1),
-                new(OpCodes.Ldarg_1),
-                new(OpCodes.Ldfld, Field(typeof(NetworkReader), nameof(NetworkReader.Position))),
-                new(OpCodes.Ldc_I4_M1),
-                new(OpCodes.Add),
-                new(OpCodes.Stfld, Field(typeof(NetworkReader), nameof(NetworkReader.Position))),
+            offset = 1;
+            newInstructions.InsertRange(index + offset, new CodeInstruction[]
+            {
+                // bool newMode = reader.ReadBool();
+                new(OpCodes.Dup),
+                new(OpCodes.Stloc, newMode),
             });
 
             for (int z = 0; z < newInstructions.Count; z++)
@@ -68,4 +67,4 @@ private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstructi
             ListPool<CodeInstruction>.Pool.Return(newInstructions);
         }
     }
-}
+}