Client/GameClient/Assets/Game/HotUpdate/Views/PopWindow/ExchangeGoodsView.cs

using FairyGUI;
using System;
using UI.CommonGame;
using UI.PopWindow;

namespace GFGGame
{
    public class ExchangeGoodsView : BaseWindow
    {
        private UI_ExchangeGoodsUI _ui;
        private int _skillId = 0;
        private long _nowCount = 0;  //当前选择的数量
        private long _maxCount = 0;  //可选择的最大数量
        
        public override void Dispose()
        {
            if (_ui != null)
            {
                _ui.Dispose();
                _ui = null;
            }

            base.Dispose();
        }

        protected override void OnInit()
        {
            base.OnInit();
            packageName = UI_ExchangeGoodsUI.PACKAGE_NAME;
            _ui = UI_ExchangeGoodsUI.Create();
            this.viewCom = _ui.target;
            this.viewCom.Center();
            this.modal = true;
            viewAnimationType = EnumViewAnimationType.ZOOM_CENTER;
            _ui.m_listConsume.itemRenderer = RenderListConsumeItem;
            _ui.m_btnCancel.onClick.Add(OnBtnCancelClick);
            _ui.m_btnUse.onClick.Add(OnBtnUseClick);
            _ui.m_btnReduce.onClick.Add(OnClickBtnReduce);
            _ui.m_btnAdd.onClick.Add(OnClickBtnAdd);
            _ui.m_btnAllChoose.onClick.Add(OnClickAllChoose);
            _ui.m_slideUpLevel.onChanged.Add(OnChangeUpLevel);
        }

        protected override void AddEventListener()
        {
            base.AddEventListener();
            EventAgent.AddEventListener(ConstMessage.ITEM_CHANGED, UpdateItem);
        }

        protected override void RemoveEventListener()
        {
            base.RemoveEventListener();
            EventAgent.RemoveEventListener(ConstMessage.ITEM_CHANGED, UpdateItem);
        }

        protected override void OnShown()
        {
            base.OnShown();
            _skillId = (int)this.viewData;
            _ui.m_slideUpLevel.visible = false;
            ItemExchangeCfg itemCfg = ItemExchangeCfgArray.Instance.GetCfg(_skillId);      
            getMaxCount();
            _ui.m_listConsume.data = itemCfg.costId;
            UpdateItem();
        }

        private void RenderListConsumeItem(int index, GObject obj)
        {
            var itemSkill = (int)obj.parent.data;
            UI_ComItem item = UI_ComItem.Proxy(obj);
            ItemCfg itemCfg = ItemCfgArray.Instance.GetCfg(itemSkill);
            ItemExchangeCfg itemExchangeCfg = ItemExchangeCfgArray.Instance.GetCfg(_skillId);
            RarityIconController.UpdateRarityIcon(item.m_loaRarity, itemCfg.id, false);
            string ext = ItemUtil.GetItemResExt(itemCfg.itemType, itemCfg.subType, true);
            item.m_CountType.selectedIndex = 1;
            item.m_txtDecomCount.text = ItemDataManager.GetItemNum(itemCfg.id).ToString();
            item.m_txtDecomHasCount.text = "/" +  (itemExchangeCfg.costNumArr[index] * _nowCount).ToString();
            item.m_loaIcon.url = ResPathUtil.GetIconPath(itemCfg.res, ext);
            item.m_QualityType.selectedIndex = itemCfg.rarity - 1;
            if (item.target.data == null)
                item.target.onClick.Add(() => { GoodsItemTipsController.ShowItemTips(itemSkill); });
            item.target.data = index;
            UI_ComItem.ProxyEnd();
        }

        protected override void OnHide()
        {
            base.OnHide();
            _maxCount = 0;
            _nowCount = 0;
            _ui.m_txtChooseLevel.text = _nowCount.ToString();
        }

        private void getMaxCount()
        {
            ItemCfg itemCfg = ItemCfgArray.Instance.GetCfg(_skillId);
            ItemExchangeCfg itemExchangeCfg = ItemExchangeCfgArray.Instance.GetCfg(_skillId);
            foreach (var info in itemExchangeCfg.costNumArr) {
                long cout = ItemDataManager.GetItemNum(itemExchangeCfg.costId) / info;
                if (_maxCount == 0 || _maxCount > cout)
                    _maxCount = cout;
            }
        }

        private void OnBtnCancelClick()
        {
            ViewManager.GoBackFrom(typeof(ExchangeGoodsView).FullName);
        }

        private async void OnBtnUseClick()
        {
            //兑换物品
            if(_nowCount <= 0)
            {
                PromptController.Instance.ShowFloatTextPrompt("请选择兑换数量");
                return;
            }
           await ItemExchangeSProxy.ItemExchange(_skillId, _nowCount);
        }

        private void OnClickAllChoose()
        {
            _nowCount = _maxCount;
            ReferViewInfo();
            ReferSlide();
        }
        
        private void OnClickBtnAdd()
        {
            _nowCount += 1;
            if (_nowCount > _maxCount)
                _nowCount = _maxCount;

            ReferViewInfo();
            ReferSlide();
        }

        private void OnClickBtnReduce()
        {
            _nowCount -= 1;
            if (_nowCount < 0)
                _nowCount = 0;
            ReferViewInfo();
            ReferSlide();
        }

        private void OnChangeUpLevel()
        {
            float volumn = (float)_ui.m_slideUpLevel.value / 100;
            _nowCount = (int)(volumn * _maxCount);
            ReferViewInfo();
        }

        private void ReferViewInfo()
        {
            _ui.m_txtChooseLevel.text = _nowCount.ToString();
        }

        private void ReferSlide()
        {
            _ui.m_slideUpLevel.value = (float)_nowCount / _maxCount * 100;
            UpdateItem();
        }
        private void UpdateItem()
        {
            ItemCfg itemCfg = ItemCfgArray.Instance.GetCfg(_skillId);
            UI_ComItem item = UI_ComItem.Proxy(_ui.m_itemSkill);
            RarityIconController.UpdateRarityIcon(item.m_loaRarity, itemCfg.id, false);
            string ext = ItemUtil.GetItemResExt(itemCfg.itemType, itemCfg.subType, true);
            item.m_ShowName.selectedIndex = 2;
            long hasNum = ItemDataManager.GetItemNum(itemCfg.id);
            item.m_txtCount.text = hasNum.ToString();
            item.m_txtName.text = itemCfg.name;
            item.m_loaIcon.url = ResPathUtil.GetIconPath(itemCfg.res, ext);
            item.m_QualityType.selectedIndex = itemCfg.rarity - 1;
            UI_ComItem.ProxyEnd();
            _ui.m_txtHasNum.text = "已拥有:" + hasNum;
            _ui.m_listConsume.numItems = itemCfg.param1Arr.Length;
        }
    }
}