Program.cs

using System.Reflection;
using System.Reflection.Metadata;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using Terramon.Core.Loaders.UILoading;

[assembly: MetadataUpdateHandler(typeof(UILoader))]

namespace Terramon;

[AutoloadBossHead]
internal class Program
{
    public static void Main(string[] args)
    {
        if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
            Environment.CurrentDirectory = @"C:\Program Files (x86)\Steam\steamapps\common\tModLoader";
        else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
            Environment.CurrentDirectory = Environment.GetEnvironmentVariable("HOME") + "/.steam/steam/steamapps/common/tModLoader";
        DoLaunch(args);
    }

    [MethodImpl(MethodImplOptions.NoInlining)]
    private static void DoLaunch(string[] args)
    {
        args = args.Append("-console").ToArray();
        typeof(ModLoader).Assembly.GetType("Terraria.MonoLaunch")!.GetMethod("Main",
                BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static)!.CreateDelegate<Action<string[]>>()
            .Invoke(args);
    }
}