Babushka/scripts/CSharp/Common/Quest/QuestListUi.cs

using Godot;
using System;
using Babushka.scripts.CSharp.Common.Quest;

public partial class QuestListUi : VBoxContainer
{
    [Export]
    private PackedScene _questListItemPrefab;

    public override void _EnterTree()
    {
        UpdateList();
        QuestManager.Instance!.QuestsChanged += UpdateList;
    }

    public override void _ExitTree()
    {
        QuestManager.Instance!.QuestsChanged -= UpdateList;
    }

    public override void _Ready()
    {
        UpdateList();
    }

    public void UpdateList()
    {
        // delete children
        foreach (Node child in GetChildren())
        {
            RemoveChild(child);
            child.QueueFree();
        }

        // recreate children
        var activeQuests = QuestManager.Instance.GetVisibleQuests();

        foreach (var questPair in activeQuests)
        {
            var questResource = questPair.Key;
            var questStatus = questPair.Value;

            var questListItem = _questListItemPrefab.Instantiate<QuestListItemUi>();
            questListItem.UpdateButton(questResource);
            AddChild(questListItem);
        }
    }
}