CommandLineHandler.cs

/**
 * Created by: Toast <sam@gib.games>
 * https://github.com/dorktoast/
 * MIT License: https://opensource.org/license/mit
 */
using UnityEngine;
using System;

namespace GIB
{
    /// <summary>
    /// Command Line Argument handler
    /// </summary>
    public class CommandLineHandler : Singleton<CommandLineHandler>
    {
#if UNITY_EDITOR
        [Tooltip("Arguments to simulate command-line input in the editor.")]
        public string EditorArgs;
        private string[] editorArgsArray;

        private void Start()
        {
            string newArgString = Application.productName + " " + EditorArgs;
            editorArgsArray = newArgString.Split(' ');
        }

        private string[] GetCommandLineArgs()
        {
            return editorArgsArray;
        }
#else
        private string[] GetCommandLineArgs()
        {
            return Environment.GetCommandLineArgs();
        }
#endif

        /// <summary>
        /// Attempts to retrieve the value of a command-line argument.
        /// </summary>
        /// <param name="argName">The name of the argument to look for.</param>
        /// <param name="argValue">The value of the argument if found.</param>
        /// <returns>True if the argument was found; otherwise, false.</returns>
        public static bool TryGetArgValue(string argName, out string argValue)
        {
            var args = Instance.GetCommandLineArgs();
            for (int i = 0; i < args.Length; i++)
            {
                if (args[i].Equals(argName, StringComparison.OrdinalIgnoreCase) && args.Length > i + 1)
                {
                    argValue = args[i + 1];
                    return true;
                }
            }
            argValue = null;
            return false;
        }

        /// <summary>
        /// Checks if a command-line argument exists.
        /// </summary>
        /// <param name="argName">The name of the argument to look for.</param>
        /// <returns>True if the argument was found; otherwise, false.</returns>
        public static bool GetArg(string argName)
        {
            var args = Instance.GetCommandLineArgs();
            for (int i = 0; i < args.Length; i++)
            {
                if (args[i].Equals(argName, StringComparison.OrdinalIgnoreCase))
                {
                    return true;
                }
            }
            return false;
        }
    }
}