TechbloxModdingAPI/TechbloxModdingAPI/App/AntiAntiCheatPatch.cs

using System;
using System.Collections.Generic;
using HarmonyLib;
using Svelto.Tasks;

namespace TechbloxModdingAPI.App
{
    public static class AntiAntiCheatPatch
    {
        private delegate bool AntiAnticheatDelegate(ref object __result);

        private delegate bool AntiAnticheatDelegateBool(ref bool __result);

        private delegate bool AntiAnticheatDelegateTask(ref IEnumerator<TaskContract> __result);

        public static void Init(Harmony harmony)
        {
            var type = AccessTools.TypeByName("Techblox.Services.Eos.Anticheat.Client.Services.AnticheatClientService");
            harmony.Patch(type.GetConstructors()[0], new HarmonyMethod(((Func<bool>) AntiAntiCheat).Method));
            harmony.Patch(AccessTools.Method(type, "Shutdown"), new HarmonyMethod(((Func<bool>) AntiAntiCheat).Method));
            harmony.Patch(AccessTools.Method(type, "StartProtectedSession"), new HarmonyMethod(((AntiAnticheatDelegate) AntiAntiCheat).Method));
            harmony.Patch(AccessTools.Method(type, "StopProtectedSession"), new HarmonyMethod(((AntiAnticheatDelegateBool) AntiAntiCheat).Method));
            harmony.Patch(AccessTools.Method("Techblox.Services.Eos.Anticheat.Client.EosGetPendingMessagesToSendServiceRequest:Execute"), new HarmonyMethod(((AntiAnticheatDelegateTask)AntiAntiCheatTask).Method));
        }

        private static bool AntiAntiCheat() => false;

        private static bool AntiAntiCheat(ref object __result)
        {
            var targetType =
                AccessTools.TypeByName("Techblox.Services.Eos.Anticheat.Client.Services.StartProtectedSessionResult");
            var target = Activator.CreateInstance(targetType);
            targetType.GetField("Success").SetValue(target, true);
            __result = target;
            return false;
        }

        private static bool AntiAntiCheat(ref bool __result)
        {
            __result = true;
            return false;
        }
        
        private static bool AntiAntiCheatTask(ref IEnumerator<TaskContract> __result)
        {
            IEnumerator<TaskContract> Func()
            {
                yield return Yield.It;
            }

            __result = Func();
            return false;
        }
    }
}