Compat for Automatic Parking (#494)

Source/Mods/AutomaticParking.cs

@@ -0,0 +1,50 @@
+using System;
+using HarmonyLib;
+using Multiplayer.API;
+using Verse;
+
+namespace Multiplayer.Compat;
+
+/// <summary>Automatic Parking by rabiosus</summary>
+/// <see href="https://steamcommunity.com/sharedfiles/filedetails/?id=3365473553"/>
+[MpCompatFor("rabiosus.vfautoparking")]
+public class AutomaticParking
+{
+    // CompParkingController
+    private static Type parkingControllerCompType;
+    private static AccessTools.FieldRef<ThingComp, object> parkingControllerCompControllerField;
+    // ParkingController
+    private static AccessTools.FieldRef<object, Pawn> parkingControllerVehicleField;
+
+    public AutomaticParking(ModContentPack mod)
+    {
+        MpCompatPatchLoader.LoadPatch(this);
+
+        // CompParkingController
+        var type = parkingControllerCompType = AccessTools.TypeByName("VehicleAutoParking.Core.CompParkingController");
+        parkingControllerCompControllerField = AccessTools.FieldRefAccess<object>(type, "parkingController");
+        // ParkingController
+        type = AccessTools.TypeByName("VehicleAutoParking.Core.ParkingController");
+        parkingControllerVehicleField = AccessTools.FieldRefAccess<Pawn>(type, "vehicle");
+        MP.RegisterSyncMethod(type, "SaveParkingPosition");
+        MP.RegisterSyncMethod(type, "ResetParkingPosition");
+        MP.RegisterSyncMethod(type, "MoveToParkingPosition");
+    }
+
+    [MpCompatSyncWorker("VehicleAutoParking.Core.ParkingController")]
+    private static void SyncParkingController(SyncWorker sync, ref object controller)
+    {
+        if (sync.isWriting)
+        {
+            sync.Write(parkingControllerVehicleField(controller));
+        }
+        else
+        {
+            var comp = sync.Read<Pawn>().AllComps.FirstOrDefault(c => parkingControllerCompType.IsInstanceOfType(c));
+            if (comp != null)
+                controller = parkingControllerCompControllerField(comp);
+            else
+                Log.Error("A vehicle is missing CompParkingController.");
+        }
+    }
+}