セーブ/ロード

GUI_Pass.cs

using System.Collections;
using System.IO;
using System.Xml.Serialization;
using UnityEngine;

public class GUI_Pass : MonoBehaviour
{
    private string pass = string.Empty;

    private void OnGUI()
    {
        pass = GUILayout.TextField(pass, 10);

        if(GUILayout.Button("ロード"))
        {
            using(Stream rs = File.Open("sv_data.xml", FileMode.Open))
            {
                XmlSerializer serializer = new XmlSerializer(typeof(string));
                pass = (string)serializer.Deserialize(rs);
            }
        }

        if(GUILayout.Button("セーブ"))
        {
            if(pass.Length >= 6)
                using(Stream ws = File.Open("sv_data.xml", FileMode.Create))
                {
                    XmlSerializer serializer = new XmlSerializer(typeof(string));
                    serializer.Serialize(ws, pass);
                }
        }

        if(GUILayout.Button("終了"))
        {
            Application.Quit();
        }
    }
}