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using System;
using System.IO;
using UnityEngine;
p… Alex教程每一P的教程原代码加上我自己的理解初步理解写的注释可供学习Alex教程的人参考 此代码仅为较上一P有所改变的代码 【Unity教程】从0编程制作类银河恶魔城游戏_哔哩哔哩_bilibili FileDataHandler.cs
using System;
using System.IO;
using UnityEngine;
public class FileDataHandler
{private string dataDirPath ;private string dataFileName ;public FileDataHandler(string _dataDirPath, string _dataFilePath)//构造函数拿到需要保存的位置和文件名称{dataDirPath _dataDirPath;dataFileName _dataFilePath;}public void Save(GameData _data){string fullPath Path.Combine(dataDirPath, dataFileName);//合成路径函数 将位置和文件合并成实际的可以读取的路径try//用try防止其报错{Directory.CreateDirectory(Path.GetDirectoryName(fullPath));//通过路径创建出需要的文件存在就不创建了string dataToStore JsonUtility.ToJson(_data, true);//将传过来的gameData转换成文本形式并且使其可读using (FileStream stream new FileStream(fullPath, FileMode.Create))//两个using 第一个进入文件使其变为可编写模式{using (StreamWriter writer new StreamWriter(stream))//第二个拿到文件对其进行编辑{writer.Write(dataToStore);//写入函数}}}catch (Exception e){Debug.LogError(Error on trying to save data to file fullPath \n e);}}public GameData Load()//同上{string fullPath Path.Combine(dataDirPath, dataFileName);GameData loadData null;if (File.Exists(fullPath)){try{string dataToLoad ;using (FileStream stream new FileStream(fullPath, FileMode.Open)){using (StreamReader reader new StreamReader(stream)){dataToLoad reader.ReadToEnd();}}loadData JsonUtility.FromJsonGameData(dataToLoad);//转换为游戏需要的类型}catch (Exception e){Debug.LogError(e);}}return loadData;}
}ISaveManager.cs
using System.Collections;
using System.Collections.Generic;
using UnityEngine;public interface ISaveManager
{void LoadData(GameData _data);void SaveData(ref GameData _data);
}SaveManager.cs
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.Linq;public class SaveManager : MonoBehaviour
{public static SaveManager instance;[SerializeField] private string fileName;GameData gameData;private ListISaveManager saveManagers;private FileDataHandler dataHandler;private void Awake(){if (instance ! null)Destroy(instance);elseinstance this;}private void Start(){dataHandler new FileDataHandler(Application.persistentDataPath, fileName);saveManagers FindAllSaveManagers();LoadGame();}public void NewGame(){gameData new GameData();}public void LoadGame(){gameData dataHandler.Load();if(this.gameData null){Debug.Log(No data);NewGame();}foreach(ISaveManager saveManager in saveManagers)//循环调用所有的找到脚本的LoadData和SaveData到这样便可以将所有的数据汇聚到gameData中并从中拿到data{saveManager.LoadData(gameData);}Debug.Log(Loaded currency gameData.currency);}public void SaveGame()循环调用所有的找到脚本的LoadData和SaveData到这样便可以将所有的数据汇聚到gameData中并从中拿到data{foreach(ISaveManager saveManager in saveManagers){saveManager.SaveData(ref gameData);}dataHandler.Save(gameData);}private void OnApplicationQuit(){SaveGame();}private ListISaveManager FindAllSaveManagers()//全局寻找带ISave的脚本的函数{IEnumerableISaveManager saveManager FindObjectsOfTypeMonoBehaviour().OfTypeISaveManager();return new ListISaveManager(saveManager);}
}GameData.cs
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
[System.Serializable]
public class GameData
{public int currency;public GameData(){this.currency 0;}
}PlayerManager.cs
using System.Collections;
using System.Collections.Generic;
using Unity.VisualScripting;
using UnityEngine;public class PlayerManager : MonoBehaviour, ISaveManager
{public static PlayerManager instance;public Player player;//这是通过在外部设置了一个组件让这个组件能够直接把Player找到从而减少FInd的方式所带来的高负载public int currency;private void Awake(){if(instance ! null){Destroy(instance.gameObject);}elseinstance this;}public bool HaveEnoughMoney(int _price){if(_price currency){Debug.Log(Not enough money);return false;}currency - _price;return true;}public int GetCurrency() currency;public void LoadData(GameData _data){currency _data.currency;}public void SaveData(ref GameData _data){_data.currency this.currency;}
}
