PixelLabDataManager.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;

namespace Ludo
{
    public static class PixelLabDataManager 
    {
        private static string SessionDataLocation = "";
        private static Dictionary<string, int> themeDatas = new Dictionary<string, int>();

        public static void  Init()
        {
            string _saveFilename = "mygame";
            SessionDataLocation = Application.persistentDataPath + "/" + _saveFilename + "_sessionData.sav";
            themeDatas = LoadGameData();
        }


        public static void  SetThemeData(string _key, int _data)
        {
            int tempData = 0;

            themeDatas = LoadGameData();

            if (!themeDatas.TryGetValue(_key, out tempData))
            {
                themeDatas.Add(_key, _data);
            }
            else
            {
                themeDatas[_key] = _data;
            }


            SaveGamedata();
        }

        private static void SaveGamedata()
        {
            if (themeDatas.Count > 0)
            {
                Debug.Log("saving GameData");
                try
                {
                    Stream sessionFile = File.Open(SessionDataLocation, FileMode.Create, FileAccess.Write);
                    BinaryFormatter bf = new BinaryFormatter();
                    bf.Serialize(sessionFile, themeDatas);
                    sessionFile.Flush();
                    sessionFile.Close();
                    Debug.Log("Gamedata Saved");
                }
                catch (IOException exception)
                {
                    Debug.Log(exception.Message);
                    throw;
                }
            }
        }


        private static Dictionary<string, int> LoadGameData()
        {
            //Debug.Log("Trying to read previously saved game data");
            Dictionary<string, int> _gameDatas = new Dictionary<string, int>();
            if (File.Exists(SessionDataLocation))
            {
                Stream sessionFile = File.Open(SessionDataLocation, FileMode.Open, FileAccess.Read);
                BinaryFormatter bf = new BinaryFormatter();
                _gameDatas = (Dictionary<string, int>) bf.Deserialize(sessionFile);
                sessionFile.Close();
              //  Debug.Log("Previously saved gamedata found and restored");
                return _gameDatas;
            }

           // Debug.Log("No previously saved game data found. It will be a fresh start");
            return _gameDatas;
        }


        public static int GetThemeData(string _key, int _defaulData = -1)
        {
            int data = 0;

            themeDatas = LoadGameData();

            if (themeDatas.TryGetValue(_key, out data))
            {
                return data;
            }
            else
            {
                return _defaulData;
            }

        }
    }

}