Prefix Method Get Skips

[krulci]

using Elements;
using Grpc.Core;
using HarmonyLib;
using LitJson;
using PrincessInjector;
using PrincessStudioDefinitions;
using System;
using System.Linq;
using System.Net;
using System.Net.Sockets;

namespace _Elements
{
    [HarmonyPatch]
    public class _BaseReceiveParam
    {
        private static string[] GetIps()
        {
            return Dns.GetHostAddresses(Dns.GetHostName()).Where(ip => ip.AddressFamily == AddressFamily.InterNetwork)
                .Select(ip => ip.ToString()).ToArray();
        }

        [HarmonyPatch(typeof(Elements.BaseReceiveParam), nameof(Elements.BaseReceiveParam.ParseBaseReceiveParam))]
        [HarmonyPrefix]

        public static bool ParseBaseReceiveParam(ref BaseReceiveParam __instance, ref JsonData _json)
        {
            Console.WriteLine("ParseBaseReceiveParam(ref BaseReceiveParam __instance, ref JsonData _json)");
            int stage = 0;
            try
            {
                if (_json.Count == 0)
                {
                    return false;
                }

                ++stage;
                if (_json.Keys.Contains("notification"))
                {
                    JsonData jsonData = _json["notification"];
                    if (jsonData != null)
                    {
                        Traverse.Create(__instance).Property("Notification").SetValue( new Notification(jsonData));
                    }
                }
                if (_json.Keys.Contains("update_bank_gold"))
                {
                    Traverse.Create(__instance).Property("UpdateBankGold").SetValue(_json["update_bank_gold"].ToLong());
                }

                ++stage; 
                Console.WriteLine("Before: if (RemoteProcedureCall.PrincessStudioServiceClient == null)");
                if (RemoteProcedureCall.PrincessStudioServiceClient == null)
                {
                    AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", true);
                    Console.WriteLine("AppContext.SetSwitch(\"System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport\", true);");
                    var channel = new Channel(GetIps().First(), 1, ChannelCredentials.Insecure);
                    Console.WriteLine("var channel = new Channel(GetIps().First(), 1, ChannelCredentials.Insecure);");
                    try
                    {
                        Console.WriteLine("PrincessStudioServiceClient = MagicOnionClient.Create<IPrincessStudioService>(channel);");
                        var client = MagicOnion.Client.MagicOnionClient.Create<IPrincessStudioService>(channel);
                    }
                    catch (Exception e) { Console.WriteLine(e.ToString()); }
                }
            }
            catch (Exception e)
            {
                Console.WriteLine(e.ToString());
                throw;
            }
            return false;
        }
    }
}

When adding the line:

var client = MagicOnion.Client.MagicOnionClient.Create<IPrincessStudioService>

This prefix get skips, below is the output. The Error : Unity Log is due to other methods trying to access fields which failed to instantiate due to this prefix being skipped.

[Message:   BepInEx] BepInEx 5.4.21.0 - PrincessConnectReDive (12/28/2022 2:40:55 AM)
[Info   :   BepInEx] Running under Unity v2018.4.36.7132039
[Info   :   BepInEx] CLR runtime version: 4.0.30319.42000
[Info   :   BepInEx] Supports SRE: True
[Info   :   BepInEx] System platform: Bits64, Windows
[Message:   BepInEx] Preloader started
[Info   :   BepInEx] Loaded 1 patcher method from [BepInEx.Preloader 5.4.21.0]
[Info   :   BepInEx] 1 patcher plugin loaded
[Info   :   BepInEx] Patching [UnityEngine.CoreModule] with [BepInEx.Chainloader]
[Message:   BepInEx] Preloader finished
[Message:   BepInEx] Chainloader ready
[Message:   BepInEx] Chainloader started
[Debug  :   BepInEx] Skipping loading C:\Users\_\priconner\BepInEx\plugins\grpc_csharp_ext.dll because it's not a valid .NET assembly. Full error: Format of the executable (.exe) or library (.dll) is invalid.
[Info   :   BepInEx] 1 plugins to load
[Info   :   BepInEx] Loading [PrincessInjector by Azatoi.Ichigo 1.0.1.0]
[Message:   BepInEx] Chainloader startup complete
[Info   : Unity Log] Injected generated tally into coneshell
[Error  : Unity Log] NullReferenceException: Object reference not set to an instance of an object
Stack trace:
Elements.ViewTitle+<onClickAfterProcess>d__25.MoveNext () (at <3d3cfcf9b4344767bc3e3387ad42e91b>:0)
UnityEngine.SetupCoroutine.InvokeMoveNext (System.Collections.IEnumerator enumerator, System.IntPtr returnValueAddress) (at <2774ccc3e0de4aef8525f5fbd178bef1>:0)

When MagicOnionClient line is removed, below is the proper output:

[Message:   BepInEx] BepInEx 5.4.21.0 - PrincessConnectReDive (12/28/2022 2:40:55 AM)
[Info   :   BepInEx] Running under Unity v2018.4.36.7132039
[Info   :   BepInEx] CLR runtime version: 4.0.30319.42000
[Info   :   BepInEx] Supports SRE: True
[Info   :   BepInEx] System platform: Bits64, Windows
[Message:   BepInEx] Preloader started
[Info   :   BepInEx] Loaded 1 patcher method from [BepInEx.Preloader 5.4.21.0]
[Info   :   BepInEx] 1 patcher plugin loaded
[Info   :   BepInEx] Patching [UnityEngine.CoreModule] with [BepInEx.Chainloader]
[Message:   BepInEx] Preloader finished
[Message:   BepInEx] Chainloader ready
[Message:   BepInEx] Chainloader started
[Debug  :   BepInEx] Skipping loading C:\Users\_\priconner\BepInEx\plugins\grpc_csharp_ext.dll because it's not a valid .NET assembly. Full error: Format of the executable (.exe) or library (.dll) is invalid.
[Info   :   BepInEx] 1 plugins to load
[Info   :   BepInEx] Loading [PrincessInjector by Azatoi.Ichigo 1.0.1.0]
[Message:   BepInEx] Chainloader startup complete
[Info   : Unity Log] Injected generated tally into coneshell
[Info   :   Console] ParseBaseReceiveParam(ref BaseReceiveParam __instance, ref JsonData _json)
[Info   :   Console] Before: if (RemoteProcedureCall.PrincessStudioServiceClient == null)
[Info   :   Console] AppContext.SetSwitch("System.Net.Http.SocketsHttpHandler.Http2UnencryptedSupport", true);
[Info   :   Console] var channel = new Channel(GetIps().First(), 1, ChannelCredentials.Insecure);
[Info   :   Console] PrincessStudioServiceClient = MagicOnionClient.Create<IPrincessStudioService>(channel);

[ManlyMarco]

Looks like your patch crashes or references missing types, it's very unlikely to be a problem with harmony.