[Part 7] My Maps doesn’t update when I quit the game and enter again

[Elvin Sim]

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[Elvin Sim]

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Using Pause Menu to quit or using forced quit also the same issue

[Elvin Sim]

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<code>using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using System.IO;
using UnityEngine.SceneManagement;

[System.Serializable]
public struct SaveData
{
    public static SaveData Instance;

    //map stuff
    public HashSet<string> sceneNames;

    //bench stuff
    public string benchSceneName;
    public Vector2 benchPos;

    //player stuff
    public int playerHealth;
    public int playerMaxHealth;
    public int playerHeartShards;
    public float playerMana;
    public int playerManaOrbs;
    public int playerOrbShard;
    public float playerOrb0fill, playerOrb1fill, playerOrb2fill;
    public bool playerHalfMana;
    public Vector2 playerPosition;
    public string lastScene;

    public bool playerUnlockedWallJump, playerUnlockedDash, playerUnlockedVarJump;
    public bool playerUnlockedSideCast, playerUnlockedUpCast, playerUnlockedDownCast;

    //enemies stuff
    //shade
    public Vector2 shadePos;
    public string sceneWithShade;
    public Quaternion shadeRot;

    public void Initialize()
    {
        if(!File.Exists(Application.persistentDataPath + "/save.bench.data")) 
        {
            BinaryWriter writer = new BinaryWriter(File.Create(Application.persistentDataPath + "/save.bench.data"));
        }

        if (!File.Exists(Application.persistentDataPath + "/save.player.data"))
        {
            BinaryWriter writer = new BinaryWriter(File.Create(Application.persistentDataPath + "/save.player.data"));
        }

        if (!File.Exists(Application.persistentDataPath + "/save.shade.data"))
        {
            BinaryWriter writer = new BinaryWriter(File.Create(Application.persistentDataPath + "/save.shade.data"));
        }

        if (sceneNames == null)
        {
            sceneNames = new HashSet<string>();
        }
    }

    #region Bench Stuff
    public void SaveBench()
    {
        using (BinaryWriter writer = new BinaryWriter(File.OpenWrite(Application.persistentDataPath + "/save.bench.data")))
        {
            writer.Write(benchSceneName);
            writer.Write(benchPos.x);
            writer.Write(benchPos.y);
        }
    }

    public void LoadBench()
    {
        string savePath = Application.persistentDataPath + "/save.bench.data";
        if (File.Exists(savePath) && new FileInfo(savePath).Length > 0)
        {
            using(BinaryReader reader = new BinaryReader(File.OpenRead(Application.persistentDataPath + "/save.bench.data")))
            {
                benchSceneName = reader.ReadString();
                benchPos.x = reader.ReadSingle();
                benchPos.y = reader.ReadSingle();
            }
        }
        else
        {
            Debug.Log("Bench doesn't exist");
        }
    }
    #endregion

    #region Player Stuff
    public void SavePlayerData()
    {
        using (BinaryWriter writer = new BinaryWriter(File.OpenWrite(Application.persistentDataPath + "/save.player.data")))
        {
            playerHealth = PlayerController.Instance.Health;
            writer.Write(playerHealth);
            playerMaxHealth = PlayerController.Instance.maxHealth;
            writer.Write(playerMaxHealth);
            playerHeartShards = PlayerController.Instance.heartShards;
            writer.Write(playerHeartShards);

            playerMana = PlayerController.Instance.Mana;
            writer.Write(playerMana);
            playerHalfMana = PlayerController.Instance.halfMana;
            writer.Write(playerHalfMana);
            playerManaOrbs = PlayerController.Instance.manaOrbs;
            writer.Write(playerManaOrbs);
            playerOrbShard = PlayerController.Instance.orbShard;
            writer.Write(playerOrbShard);
            playerOrb0fill = PlayerController.Instance.manaOrbsHandler.orbFills[0].fillAmount;
            writer.Write(playerOrb0fill);
            playerOrb1fill = PlayerController.Instance.manaOrbsHandler.orbFills[1].fillAmount;
            writer.Write(playerOrb1fill);
            playerOrb2fill = PlayerController.Instance.manaOrbsHandler.orbFills[2].fillAmount;
            writer.Write(playerOrb2fill);

            playerUnlockedWallJump = PlayerController.Instance.unlockedWallJump;
            writer.Write(playerUnlockedWallJump);
            playerUnlockedDash = PlayerController.Instance.unlockedDash;
            writer.Write(playerUnlockedDash);
            playerUnlockedVarJump = PlayerController.Instance.unlockedVarJump;
            writer.Write(playerUnlockedVarJump);

            playerUnlockedSideCast = PlayerController.Instance.unlockedSideCast;
            writer.Write(playerUnlockedSideCast);
            playerUnlockedUpCast = PlayerController.Instance.unlockedUpCast;
            writer.Write(playerUnlockedUpCast);
            playerUnlockedDownCast = PlayerController.Instance.unlockedDownCast;
            writer.Write(playerUnlockedDownCast);


            playerPosition = PlayerController.Instance.transform.position;
            writer.Write(playerPosition.x);
            writer.Write(playerPosition.y);

            lastScene = SceneManager.GetActiveScene().name;
            writer.Write(lastScene);

        }
        Debug.Log("saved player data");
    }

    public void LoadPlayerData()
    {
        string savePath = Application.persistentDataPath + "/save.player.data";
        if (File.Exists(savePath) && new FileInfo(savePath).Length > 0)
        {
            using(BinaryReader reader = new BinaryReader(File.OpenRead(Application.persistentDataPath + "/save.player.data")))
            {
                playerHealth = reader.ReadInt32();
                playerMaxHealth = reader.ReadInt32();
                playerHeartShards = reader.ReadInt32();
                playerMana = reader.ReadSingle();
                playerHalfMana = reader.ReadBoolean();
                playerManaOrbs = reader.ReadInt32();
                playerOrbShard = reader.ReadInt32();
                playerOrb0fill = reader.ReadSingle();
                playerOrb1fill = reader.ReadSingle();
                playerOrb2fill = reader.ReadSingle();

                playerUnlockedWallJump = reader.ReadBoolean();
                playerUnlockedDash= reader.ReadBoolean();
                playerUnlockedVarJump= reader.ReadBoolean();

                playerUnlockedSideCast= reader.ReadBoolean();
                playerUnlockedUpCast = reader.ReadBoolean();
                playerUnlockedDownCast = reader.ReadBoolean();

                playerPosition.x = reader.ReadSingle();
                playerPosition.y = reader.ReadSingle();

                lastScene = reader.ReadString();

                SceneManager.LoadScene(lastScene);
                PlayerController.Instance.transform.position = playerPosition;
                PlayerController.Instance.halfMana = playerHalfMana;
                PlayerController.Instance.Health = playerHealth;
                PlayerController.Instance.maxHealth = playerMaxHealth;
                PlayerController.Instance.heartShards = playerHeartShards;
                PlayerController.Instance.Mana = playerMana;
                PlayerController.Instance.manaOrbs = playerManaOrbs;
                PlayerController.Instance.orbShard = playerOrbShard;
                PlayerController.Instance.manaOrbsHandler.orbFills[0].fillAmount = playerOrb0fill;
                PlayerController.Instance.manaOrbsHandler.orbFills[1].fillAmount = playerOrb1fill;
                PlayerController.Instance.manaOrbsHandler.orbFills[2].fillAmount = playerOrb2fill;

                PlayerController.Instance.unlockedWallJump = playerUnlockedWallJump;
                PlayerController.Instance.unlockedDash = playerUnlockedDash;
                PlayerController.Instance.unlockedVarJump = playerUnlockedVarJump;

                PlayerController.Instance.unlockedSideCast = playerUnlockedSideCast;
                PlayerController.Instance.unlockedUpCast = playerUnlockedUpCast;
                PlayerController.Instance.unlockedDownCast = playerUnlockedDownCast;

            }
            Debug.Log("load player data");
            Debug.Log(playerHalfMana);
        }
        else
        {
            Debug.Log("File doesn't exist");
            PlayerController.Instance.halfMana = false;
            PlayerController.Instance.Health = PlayerController.Instance.maxHealth;
            PlayerController.Instance.Mana = 0.5f;
            PlayerController.Instance.heartShards = 0;

            PlayerController.Instance.unlockedWallJump = false;
            PlayerController.Instance.unlockedDash = false;
            PlayerController.Instance.unlockedVarJump = false;

            PlayerController.Instance.unlockedSideCast = false;
            PlayerController.Instance.unlockedUpCast = false;
            PlayerController.Instance.unlockedDownCast = false;

        }
    }
    #endregion

    #region Shade Stuff
    public void SaveShadeData()
    {
        using(BinaryWriter writer = new BinaryWriter(File.OpenWrite(Application.persistentDataPath + "/save.shade.data")))
        {
            sceneWithShade = SceneManager.GetActiveScene().name;
            shadePos = Shade.Instance.transform.position;
            shadeRot = Shade.Instance.transform.rotation;

            writer.Write(sceneWithShade);

            writer.Write(shadePos.x);
            writer.Write(shadePos.y);

            writer.Write(shadeRot.x);
            writer.Write(shadeRot.y);
            writer.Write(shadeRot.z);
            writer.Write(shadeRot.w);
        }
    }

    public void LoadShadeData()
    {
        string savePath = Application.persistentDataPath + "/save.shade.data";
        if (File.Exists(savePath) && new FileInfo(savePath).Length > 0)
        {
            using(BinaryReader reader = new BinaryReader(File.OpenRead(Application.persistentDataPath + "/save.shade.data")))
            {
                sceneWithShade = reader.ReadString();
                shadePos.x = reader.ReadSingle();
                shadePos.y = reader.ReadSingle();

                float rotationX = reader.ReadSingle();
                float rotationY = reader.ReadSingle();
                float rotationZ = reader.ReadSingle();
                float rotationW = reader.ReadSingle();
                shadeRot = new Quaternion(rotationX, rotationY, rotationZ, rotationW);
            }
            Debug.Log("Load shade data");
        }
        else
        {
            Debug.Log("Shade doesn't exist");
        }
    }
    #endregion
}</code>

[Elvin Sim]

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<code>using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class MapManager : MonoBehaviour
{
    [SerializeField] GameObject[] maps;

    Bench bench;

    private void OnEnable()
    {
        bench = FindObjectOfType<Bench>();
        if ( bench != null )
        {
            if(bench.interacted )
            {
                UpdateMap();
            }
        }
    }

    void UpdateMap()
    {
        var savedScenes = SaveData.Instance.sceneNames;

        for(int i = 0; i < maps.Length; i++)
        {
            if(savedScenes.Contains("The Forest of Beginnings_" + (i + 1)))
            {
                maps[i].SetActive(true);
            }
            else if (savedScenes.Contains("The Ruins of Unity_" + (i + 1)))
            {
                maps[i].SetActive(true);
            }
            else if (savedScenes.Contains("The Bastion of Strife_" + (i + 1)))
            {
                maps[i].SetActive(true);
            }
            else if (savedScenes.Contains("The Abyssal Depths_" + (i + 1)))
            {
                maps[i].SetActive(true);
            }
            else
            {
                maps[i].SetActive(false);
            }
        }
    }
}</code>

[Elvin Sim]

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<code>using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.SceneManagement;

public class Bench : MonoBehaviour
{
    bool inRange = false;
    public bool interacted;

    // Update is called once per frame
    void Update()
    {
        if (Input.GetButtonDown("Interact") && inRange)
        {
            interacted = true;

            SaveData.Instance.benchSceneName = SceneManager.GetActiveScene().name;
            SaveData.Instance.benchPos = new Vector2(gameObject.transform.position.x, gameObject.transform.position.y);
            SaveData.Instance.SaveBench();
            SaveData.Instance.SavePlayerData();

            Debug.Log("benched");
        }
    }

    private void OnTriggerEnter2D(Collider2D _collision)
    {
        if(_collision.CompareTag("Player")) inRange = true;
    }

    private void OnTriggerExit2D(Collider2D _collision)
    {
        if (_collision.CompareTag("Player"))
        {
            interacted = false;
            inRange = false;
        }
    }
}</code>

[Joseph Tang]

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Try putting UpdateMap() method into your PlayerController.cs Start() or Awake() method. Likely, the maps are saved, but not called in to update anywhere except for the benches

[Elvin Sim]

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Can you teach me how to add the UpdateMap() method?

[Elvin Sim]

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Because I try to add but have some error

[Elvin Sim]

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Please it is now very emergency

[Joseph Tang]

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In your PlayerController.cs

    // Start is called before the first frame update
    void Start()
    {
        ...

        audioSource = GetComponent<AudioSource>();

        SaveData.Instance.LoadPlayerData();

        FindObjectOfType[MapManager]().UpdateMap();

        if(manaOrbs > 3)
        {
            manaOrbs = 3;
        }

        ...
    }

Just change out the “[]” with angle brackets “><“.

---

Note that the biggest issue with this is that your maps will now update on the start of the game instead of only when you sit on the bench. to prevent map updating on start and still get your last saved maps, you’ll need to add additional code to your SaveData.cs

Essentially, you’ll need to create the same code for saving scene names for maps, but only saving them whenever you sit down on a bench, then loading that information through the MapManager and then the PlayerController instead of this one.

[Elvin Sim]

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Thank you very much it works now!!!

[Author]

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