Start.cs

using System;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using MelonLoader;
using static MelonLoader.MelonLogger;

namespace Dawn.Encoding
{
    internal class Start : MelonMod
    {
        public override void OnApplicationLateStart()
        {
            MelonPreferences.CreateCategory("EncodingFix", "Encoding Fix");
            MelonPreferences.CreateEntry("EncodingFix", "Enabled", true, "Enabled (Requires Restart"); // Don't wanna cache it yet.
            MelonPreferences.CreateEntry("EncodingFix", "PageID", 65001, "Advanced: SetPageID (int) Default = 0");
            
            LocalPrefsSaved(); // Don't wanna call OnPrefs for eveyone lol.
        }

        public override void OnPreferencesSaved()
        {
            LocalPrefsSaved();
        }
        private static void LocalPrefsSaved()
        {
            m_Enabled = MelonPreferences.GetEntryValue<bool>("EncodingFix", "Enabled");
            if (!m_Enabled) return;
            m_PageID = MelonPreferences.GetEntryValue<int>("EncodingFix", "PageID");
           
            SetCodingPage((uint) m_PageID);
        }
        private static bool m_Enabled;
        private static int m_PageID;
        [DllImport("kernel32.dll", SetLastError = true)] // Credits to Bluescream for the DLLImport links!
        private static extern bool SetConsoleOutputCP(uint wCodePageID);
        [DllImport("kernel32.dll", SetLastError = true)]
        private static extern bool SetConsoleCP(uint wCodePageID);

        //UTF-8 = 65001
        //UTF-16 = 1200 / 1201
        //UTF-32 = 12000 / 12001
        static void SetCodingPage(uint i = 65001) // https://stackoverflow.com/questions/38533903/set-c-sharp-console-application-to-unicode-output/59307528#59307528
        {
            //Credits to Cillié Malan
            SetConsoleOutputCP(i);
            SetConsoleCP(i);
            Console.OutputEncoding = System.Text.Encoding.UTF8;
            Console.InputEncoding = System.Text.Encoding.UTF8;
            if (!First) return;
            Msg($"EncodingPage Set to {i} : {Console.OutputEncoding}");
            First = false;
        }

        private static bool First = true;
    }
}