WXGame/Blacksmith/Assets/Script/ItemUI/BuyButton.cs

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

public class BuyButton : MonoBehaviour
{
    [SerializeField] private int id;

    [SerializeField] private int needGold;
    [SerializeField] private Image icon;

    [SerializeField] private Button _button;
    [SerializeField] private TextMeshProUGUI text;

    private void Awake()
    {
        _button = GetComponent<Button>();
        text.text = needGold.ToString();
    }
    private void OnEnable()
    {
        _button.onClick.AddListener(ButtonEvent);
    }

    // Start is called before the first frame update
    void Start()
    {
        icon.sprite = GameSystem.ins.DataAsset.IconSprite(id);
    }

    // Update is called once per frame
    void Update()
    {
        
    }

    private void OnDisable()
    {
        _button.onClick.RemoveListener(ButtonEvent);
    }

    void ButtonEvent()
    {
        if (GameSystem.ins.goldCoin>needGold)
        {
            DataManager.AddItem(id,1);
            GameSystem.ins.goldCoin -= needGold;
            GameSystem.ins.ResetItem();
            GameSystem.ins.forgePanel.ResetGold();
        }
        else
        {
            GameSystem.ins.forgePanel._buyEventButton.gameObject.SetActive(true);
        }
    }
}