Lưu và tải dữ liệu bằng JSON (Newtonsoft)

using UnityEngine;
using Newtonsoft.Json;
using System.IO;

public class GameData
{
    public string playerName;
    public int score;
    public float health;
}

public class JsonSavingExample : MonoBehaviour
{
    private string savePath;

    void Awake()
    {
        savePath = Path.Combine(Application.persistentDataPath, "gamedata.json");
    }

    public void SaveGame()
    {
        GameData data = new GameData
        {
            playerName = "PlayerOne",
            score = 1000,
            health = 95.5f
        };

        string json = JsonConvert.SerializeObject(data, Formatting.Indented);
        File.WriteAllText(savePath, json);
        Debug.Log("Game data saved to: " + savePath);
    }

    public void LoadGame()
    {
        if (File.Exists(savePath))
        {
            string json = File.ReadAllText(savePath);
            GameData data = JsonConvert.DeserializeObject<GameData>(json);
            Debug.Log("Game data loaded:");
            Debug.Log("Player Name: " + data.playerName);
            Debug.Log("Score: " + data.score);
            Debug.Log("Health: " + data.health);
        }
        else
        {
            Debug.LogWarning("Save file not found at: " + savePath);
        }
    }
}