sked/Assets/Script/UI/HoldPassive/HoldActive.cs

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

public class HoldActive : MonoBehaviour
{
    Character player;
    InputController input;
    Inventory inven;
    public void OnInitialized(MapManager mapManager)
    {
        img.enabled = equip.idx != string.Empty;

        player = mapManager.player.character;
        player.ec.Remove(OnEvent);
        player.ec.Add(OnEvent);

        input = player.GetComponent<InputController>();

        inven = mapManager.player.inven;
        inven.ec.Remove(OnEvent);
        inven.ec.Add(OnEvent);
    }

    public Image img;
    public Text txtName;
    public Slider slider;
    public Text txtCnt;
    [Space(10)]
    public ItemData equip;
    void OnEvent(int type, object value)
    {
        switch ((Character.State)type)
        {
            case Character.State.ActiveItem:
                {
                    if (equip != null)
                        player.skill.UnInstall(equip);

                    equip = (ItemData)value;
                    player.skill.Install(equip);

                    player.MANA = (int)equip.value;
                    player.MANA_MAX = (int)equip.value;

                    prefab = PrefabManager.Instance.PrefabGet($"Effect/ActiveSkill {equip.idx}").GetComponent<ActiveSkill>();

                    img.sprite = SpriteManager.Instance.SpriteGet("AtlasIngame", $"ui{equip.idx}");
                    img.enabled = true;

                    txtName.text = $"{DataManager.Instance.dataLanguage.Search("item", $"{equip.idx}")}";

                    Refresh();
                }
                break;
            case Character.State.Mana_Change:
                {
                    Refresh();
                }
                break;
        }
    }

    [Space(10)]
    public int cntCurrent;
    void Refresh()
    {
        slider.value = (float)player.MANA / player.MANA_MAX;
        txtCnt.text = $"{player.MANA}/{player.MANA_MAX}";
    }

    public ActiveSkill prefab = null;
    private void Update()
    {
        if(prefab != null && Input.GetKeyDown(KeyCode.Space) && player.MANA_MAX <= player.MANA)
        {
            player.MANA = 0;
            Refresh();

            StartCoroutine(Active_Wait(player.transform.position));
        }
    }

    IEnumerator Active_Wait(Vector3 pos)
    {
        ActiveSkill active = player.map.ObjectCreate(prefab.gameObject, prefab.targetUser ? player.transform : null, Vector3.one, pos).GetComponent<ActiveSkill>();

        yield return new WaitForSeconds(prefab.delay);
        
        active.OnInitialized(player, LayerMask.NameToLayer($"HitAll"));
    }
}