using Core.Economy;
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using TMPro;
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using TowerDefense.Level;
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using UnityEngine;
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namespace TowerDefense.UI.HUD
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{
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/// <summary>
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/// A class for controlling the displaying the currency
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/// </summary>
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public class EndlessCurrencyUI : MonoBehaviour
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{
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/// <summary>
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/// TextMeshPro对应的金币数据
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/// </summary>
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public TextMeshProUGUI DisplayText;
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protected Currency currency;
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private void Start()
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{
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if (EndlessLevelManager.instanceExists)
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{
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currency = EndlessLevelManager.instance.Currency;
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UpdateDisplay();
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currency.currencyChanged += UpdateDisplay;
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}
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else
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Debug.LogError("[UI] No EndlessLevelManager to get currency from");
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}
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/// <summary>
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/// Unsubscribe from events
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/// </summary>
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protected virtual void OnDestroy()
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{
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if (currency != null)
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currency.currencyChanged -= UpdateDisplay;
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}
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/// <summary>
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/// A method for updating the display based on the current currency
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/// </summary>
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protected void UpdateDisplay()
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{
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int current = currency.currentCurrency;
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DisplayText.text = AddNumberSemi(current.ToString());
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}
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/// <summary>
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/// 在数字中加入逗号
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/// </summary>
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/// <param name="str"></param>
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protected string AddNumberSemi(string str)
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{
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int len = str.Length;
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for (int ipos = len - 3; ipos > 0; ipos -= 3)
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{
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str = str.Insert(ipos, ",");
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}
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return str;
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}
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}
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}
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