[Part 5] My SceneFader cannot function

[Elvin Sim]

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[Terence]

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Hi Ethan, you need to change the SceneFader script’s Start() function to Awake():

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.SceneManagement;

public class SceneFader : MonoBehaviour
{
    [SerializeField] private float fadeTime;

    private Image fadeOutUIImage;

    public enum FadeDirection
    {
        In, 
        Out
    }

    // Start is called before the first frame update
    void Start() Awake()
    {
        fadeOutUIImage = GetComponent<Image>();
    }

    ...

[Elvin Sim]

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[Elvin Sim]

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Still Cannot

[Terence]

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Can you show me your UIManager script? If you can show this in text, it will be great.

[Elvin Sim]

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using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class UIManager : MonoBehaviour
{
    public static UIManager Instance;

    private void Awake()
    {
        if (Instance != null && Instance != this)
        {
            Destroy(gameObject);
        }
        else
        {
            Instance = this;
        }
        DontDestroyOnLoad(gameObject);

    }

    public SceneFader sceneFader;

    private void Start()
    {
        sceneFader = GetComponentInChildren<SceneFader>();
    }
}

[Terence]

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Can you add this above line 25 of your SceneTransition as well? I’m checking if either UIManager.Instance or UIManager.Instance.sceneFader is the null value.

print(UIManager.Instance);
print(UIManager.Instance.sceneFader);

Show me the output on the Console after that.

[Elvin Sim]

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okok

[Elvin Sim]

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[Terence]

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Try moving the sceneFader up to Awake():

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class UIManager : MonoBehaviour
{
    public static UIManager Instance;

    private void Awake()
    {
        if (Instance != null && Instance != this)
        {
            Destroy(gameObject);
        }
        else
        {
            Instance = this;
        }
        DontDestroyOnLoad(gameObject);
        sceneFader = GetComponentInChildren<SceneFader>();
    }

    public SceneFader sceneFader;

    private void Start()
    {
        sceneFader = GetComponentInChildren<SceneFader>();
    }
}

[Elvin Sim]

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thank you it function now

[Elvin Sim]

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but now when my character healing, it will always stuck at the player_heal animation

[Elvin Sim]

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[Elvin Sim]

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and also When I am in the part4 tutorial, after my character healing finish, it will cast the fireball at the same time

[Elvin Sim]

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and also when the player is transitioned to another scene the mana UI is being filled

[Elvin Sim]

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when the player is transitioned to another scene the mana UI is being filled

[Elvin Sim]

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[Joseph Tang]

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1. Your Player is stuck in healing.

If this does not work, we may need to get more information to identify the issue.

[Part 4] Player gets stuck in the heal state and does not heal

In your PlayerController.cs, check if Heal() under Update() method is not called after, but before the If (pState.healing) return;code.

2. Casting after healing

In Part 6 a bugfix was discussed for this.

Creating a Metroidvania (like Hollow Knight) — Part 6: Enemies, Spikes, and an Advanced Camera

This fix should solve the issue.

3. Mana UI is filled after scene transition

What is possibly happening is there are multiple instances of your mana UI in the scene. Ensure that only your starting scene has a Player and a Canvas, all other scenes should not have their own Canvas or Player.

---

If any of these do not work, feel free to update us.

[Elvin Sim]

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Hello, sorry for disturbing, but in part 6 the casting after healing bug fix don’t include in the video

[Joseph Tang]

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Sorry for the confusion, but I believe this fix was only added in the Forum above:

Creating a Metroidvania (like Hollow Knight) — Part 6: Enemies, Spikes, and an Advanced Camera

I do think the video was made before the Forum, or the Forum was updated later to include the fix. If the fix shown above does not work, do inform us for further assistance.

[Author]

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