Scriptum/Assets/Scripts/SceneManager/SaveChest/SaveChestSystem.cs

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

public static class SaveChestSystem
{
    private static string map;

public static void SaveChest(ChestPrefarbAsset chestPrefarbAsset, string ElementFolderName)
    {
        BinaryFormatter formatter = new BinaryFormatter();
        // todo: add in scene name folder
        string path = SaveSystem.GetSavePath(ElementFolderName); 
Debug.Log(path);
        if (!Directory.Exists(path))
            Directory.CreateDirectory(path);
        
        path += "/" + chestPrefarbAsset.name + ".fun";

        FileStream stream = new FileStream(path, FileMode.Create);

        ChestPrefarbAssetData chestData = new ChestPrefarbAssetData(chestPrefarbAsset);

        formatter.Serialize(stream, chestData);
        stream.Close();   
    }

    public static void SaveChestsList(List<ChestPrefarbAsset> chestPrefarbAssetList, string _path, string ElementName)
    {
        BinaryFormatter formatter = new BinaryFormatter();
        // todo: add in scene name folder
        string path = SaveSystem.GetSavePath(_path); 
Debug.Log("Saved Chest at " + path);
        if (!Directory.Exists(path))
            Directory.CreateDirectory(path);
        
        path += "/" + ElementName + ".fun";

        FileStream stream = new FileStream(path, FileMode.Create);

        List<ChestPrefarbAssetData> chestsListData = new List<ChestPrefarbAssetData>();
        
        Debug.Log("---- Save Chest");

        foreach(ChestPrefarbAsset chest in chestPrefarbAssetList)
        {
            Debug.Log(chest.name);
            Debug.Log(chest.content.Count);
            foreach(KeyValuePair<int, EquippableItemPrefarbAsset> equippableItemPrefarbAsset in chest.content)
            {
                Debug.Log("item on position " + equippableItemPrefarbAsset.Key + " " + equippableItemPrefarbAsset.Value.equippableItem.name);
            }
            chestsListData.Add(new ChestPrefarbAssetData(chest));
        }

        formatter.Serialize(stream, chestsListData);
        stream.Close();  
    }

    private static void Save() 
    {

    }

    public static ChestPrefarbAssetData LoadChest(string chestName, string ElementFolderName)
    {
        string path = SaveSystem.GetSavePath(ElementFolderName) + "/" + chestName;// + ".fun"; 

        if(File.Exists(path))
        {
            BinaryFormatter formatter = new BinaryFormatter();
            FileStream stream = new FileStream(path, FileMode.Open);

            ChestPrefarbAssetData chestData = formatter.Deserialize(stream) as ChestPrefarbAssetData;
            stream.Close();

            return chestData;
        } else {
            Debug.Log("Save file not found in " + path);
            return null;
        }
    }

    public static List<ChestPrefarbAssetData> LoadChestsList(string _path, string ElementName)
    {
        string path = SaveSystem.GetSavePath(_path) + "/" + ElementName  + ".fun"; 

        if(File.Exists(path))
        {
            
            BinaryFormatter formatter = new BinaryFormatter();
            FileStream stream = new FileStream(path, FileMode.Open);

            List<ChestPrefarbAssetData> chestsListData = formatter.Deserialize(stream) as List<ChestPrefarbAssetData>;
            stream.Close();

            return chestsListData;
        } else {
            Debug.Log("Save file not found in " + path);
            return null;
        }
    }
}