modules/project/SPT.Custom/Patches/CoreDifficultyPatch.cs

using SPT.Reflection.Patching;
using SPT.Reflection.Utils;
using SPT.Common.Http;
using System.Reflection;
using SPT.Custom.Utils;

namespace SPT.Custom.Patches
{
    public class CoreDifficultyPatch : ModulePatch
    {
        protected override MethodBase GetTargetMethod()
        {
            var methodName = "LoadCoreByString";
            var flags = BindingFlags.Public | BindingFlags.Static;

            return PatchConstants.EftTypes.SingleCustom(x => x.GetMethod(methodName, flags) != null)
                .GetMethod(methodName, flags);
        }

        [PatchPrefix]
        public static bool PatchPrefix(ref string __result)
        {
            // fetch all bot difficulties to be used in BotDifficultyPatch
            // this is called here since core difficulties are fetched before bot-specific difficulties are
            DifficultyManager.Update();

            // update core difficulty
            __result = RequestHandler.GetJson("/singleplayer/settings/bot/difficulty/core/core");
            return string.IsNullOrWhiteSpace(__result);
        }
    }
}