KitchenChaos/Assets/Scripts/UI/DeliveryManagerUI.cs

using System;
using UnityEngine;

public class DeliveryManagerUI : MonoBehaviour {
    [SerializeField] private Transform container;
    [SerializeField] private Transform recipeTemplate;
    public static DeliveryManagerUI Instance { get; private set; }

    private void Awake() {
        recipeTemplate.gameObject.SetActive(false);
        Instance = this;
    }

    private void Start() {
        DeliveryManager.Instance.OnRecipeSpawned += DeliveryManager_OnRecipeSpawned;
        DeliveryManager.Instance.OnRecipeCompleted += DeliveryManager_OnRecipeCompleted;
        Show();
        UpdateVisual();
    }

    private void DeliveryManager_OnRecipeCompleted(object sender, EventArgs e) {
        UpdateVisual();
    }

    private void DeliveryManager_OnRecipeSpawned(object sender, EventArgs e) {
        UpdateVisual();
    }

    private void UpdateVisual() {
        foreach (Transform child in container) {
            if (child == recipeTemplate) continue;

            Destroy(child.gameObject);
        }

        foreach (RecipeSO recipeSO in DeliveryManager.Instance.WaitingRecipeSOList) {
            Transform recipeTransform = Instantiate(recipeTemplate, container);
            recipeTransform.gameObject.SetActive(true);
            recipeTransform.GetComponent<DeliveryManagerSingleUI>().SetRecipeSO(recipeSO);
        }
    }

    public void Hide() {
        gameObject.SetActive(false);
    }

    public void Show() {
        gameObject.SetActive(true);
    }
}