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EXILED/Exiled.API/Extensions/MirrorExtensions.cs

@@ -363,6 +363,7 @@ public static void MessageTranslated(this Player player, string words, string tr
         /// <param name="targetType"><see cref="NetworkBehaviour"/>'s type.</param>
         /// <param name="propertyName">Property name starting with Network.</param>
         /// <param name="value">Value of send to target.</param>
+        [Obsolete("Use overload with type-template instead.")]
         public static void SendFakeSyncVar(this Player target, NetworkIdentity behaviorOwner, Type targetType, string propertyName, object value)
         {
             if (!target.IsConnected)
@@ -386,6 +387,38 @@ void CustomSyncVarGenerator(NetworkWriter targetWriter)
             }
         }
 
+        /// <summary>
+        /// Send fake values to client's <see cref="SyncVarAttribute"/>.
+        /// </summary>
+        /// <typeparam name="T">Target SyncVar property type.</typeparam>
+        /// <param name="target">Target to send.</param>
+        /// <param name="behaviorOwner"><see cref="NetworkIdentity"/> of object that owns <see cref="NetworkBehaviour"/>.</param>
+        /// <param name="targetType"><see cref="NetworkBehaviour"/>'s type.</param>
+        /// <param name="propertyName">Property name starting with Network.</param>
+        /// <param name="value">Value of send to target.</param>
+        public static void SendFakeSyncVar<T>(this Player target, NetworkIdentity behaviorOwner, Type targetType, string propertyName, T value)
+        {
+            if (!target.IsConnected)
+                return;
+
+            NetworkWriterPooled writer = NetworkWriterPool.Get();
+            NetworkWriterPooled writer2 = NetworkWriterPool.Get();
+            MakeCustomSyncWriter(behaviorOwner, targetType, null, CustomSyncVarGenerator, writer, writer2);
+            target.Connection.Send(new EntityStateMessage
+            {
+                netId = behaviorOwner.netId,
+                payload = writer.ToArraySegment(),
+            });
+
+            NetworkWriterPool.Return(writer);
+            NetworkWriterPool.Return(writer2);
+            void CustomSyncVarGenerator(NetworkWriter targetWriter)
+            {
+                targetWriter.WriteULong(SyncVarDirtyBits[$"{targetType.Name}.{propertyName}"]);
+                WriterExtensions[typeof(T)]?.Invoke(null, new object[2] { targetWriter, value });
+            }
+        }
+
         /// <summary>
         /// Force resync to client's <see cref="SyncVarAttribute"/>.
         /// </summary>

EXILED/Exiled.Events/Patches/Generic/DoorList.cs

@@ -30,14 +30,46 @@ namespace Exiled.Events.Patches.Generic
     [HarmonyPatch(typeof(DoorVariant), nameof(DoorVariant.RegisterRooms))]
     internal class DoorList
     {
-        private static void Postfix(DoorVariant __instance)
+        private static IEnumerable<CodeInstruction> Transpiler(IEnumerable<CodeInstruction> instructions, ILGenerator generator)
         {
-            if (Door.DoorVariantToDoor.ContainsKey(__instance))
+            List<CodeInstruction> newInstructions = ListPool<CodeInstruction>.Pool.Get(instructions);
+
+            Label ret = generator.DefineLabel();
+
+            // new Generator(this)
+            newInstructions.InsertRange(
+                0,
+                new CodeInstruction[]
+                {
+                    new(OpCodes.Ldarg_0),
+                    new(OpCodes.Callvirt, PropertyGetter(typeof(DoorVariant), nameof(DoorVariant.Rooms))),
+                    new(OpCodes.Brfalse_S, ret),
+                });
+
+            newInstructions.InsertRange(
+                newInstructions.Count - 1,
+                new CodeInstruction[]
+                {
+                    new(OpCodes.Ldarg_0),
+                    new(OpCodes.Call, Method(typeof(DoorList), nameof(DoorList.InitDoor))),
+                });
+
+            newInstructions[newInstructions.Count - 1].labels.Add(ret);
+
+            for (int z = 0; z < newInstructions.Count; z++)
+                yield return newInstructions[z];
+
+            ListPool<CodeInstruction>.Pool.Return(newInstructions);
+        }
+
+        private static void InitDoor(DoorVariant doorVariant)
+        {
+            if (Door.DoorVariantToDoor.ContainsKey(doorVariant))
                 return;
 
-            List<Room> rooms = __instance.Rooms.Select(identifier => Room.RoomIdentifierToRoom[identifier]).ToList();
+            List<Room> rooms = doorVariant.Rooms.Select(identifier => Room.RoomIdentifierToRoom[identifier]).ToList();
 
-            Door door = Door.Create(__instance, rooms);
+            Door door = Door.Create(doorVariant, rooms);
 
             foreach (Room room in rooms)
             {