유니티 명령줄 인수(command line arguments) 사용을 위한 부트스트랩

Bootstrap.cs

using System;
using System.Runtime.InteropServices;
using System.Text;
using UnityEngine;
using UnityEngine.UI;
using Application = UnityEngine.Application;

public class Bootstrap : MonoBehaviour
{
    public Text text;

    public int estimatedArgsCount = 5;

    const string errorMsg =
        "You are trying to open the MyGame client in an invalid way. To successfully open the game client, click on the Play button and join a queue or create a custom game.";
    
    void Start()
    {
        string[] args = Environment.GetCommandLineArgs();

        if (estimatedArgsCount != args.Length)
        {
            MsgBox.Show(errorMsg, "My Game Name", MsgBox.EMessageBoxButton.MB_OK);
            Application.Quit(300);
            return;
        }
        
        // implementation
        var sb = new StringBuilder();
        foreach (string arg in args)
        {
            sb.AppendLine($"{arg}");
        }

        text.text = sb.ToString();
    }
}

public class MsgBox
{
    public enum EMessageBoxButton : uint
    {
        MB_ABORTRETRYIGNORE = (uint) (0x00000002L | 0x00000010L),
        MB_CANCELTRYCONTINUE = (uint) (0x00000006L | 0x00000030L),
        MB_HELP = (uint) (0x00004000L | 0x00000040L),
        MB_OK = (uint) (0x00000000L | 0x00000040L),
        MB_OKCANCEL = (uint) (0x00000001L | 0x00000040L),
        MB_RETRYCANCEL = (uint) 0x00000005L,
        MB_YESNO = (uint) (0x00000004L | 0x00000040L),
        MB_YESNOCANCEL = (uint) (0x00000003L | 0x00000040L),
    }

    [DllImport("user32.dll")]
    private static extern System.IntPtr GetActiveWindow();

    [DllImport("user32.dll", SetLastError = true)]
    static extern int MessageBox(IntPtr hwnd, String lpText, String lpCaption, uint uType);

    public static System.IntPtr GetWindowHandle()
    {
        return GetActiveWindow();
    }

    public static void Show(string text, string caption, EMessageBoxButton type)
    {
        try
        {
            switch (type)
            {
                case EMessageBoxButton.MB_ABORTRETRYIGNORE:
                case EMessageBoxButton.MB_CANCELTRYCONTINUE:
                case EMessageBoxButton.MB_HELP:
                case EMessageBoxButton.MB_OK:
                case EMessageBoxButton.MB_OKCANCEL:
                case EMessageBoxButton.MB_RETRYCANCEL:
                case EMessageBoxButton.MB_YESNO:
                case EMessageBoxButton.MB_YESNOCANCEL:
                    MessageBox(GetWindowHandle(), text, caption, (uint) type);
                    break;
                default:
                    MessageBox(GetWindowHandle(), text, caption, (uint) (0x00000000L | 0x00000010L));
                    break;
            }
        }
        catch
        {
            // ignored
        }
    }
}