bl/logic/controller/item_buy.go

package controller

import (
	"blazing/common/data/xmlres"
	"blazing/common/socket/errorcode"
	"blazing/modules/config/service"

	"blazing/logic/service/item"
	"blazing/logic/service/player"
)

// 防止封包通过领取来获取道具

// BuyItem 购买单个道具
// data: 包含购买道具信息的输入数据
// player: 当前玩家对象
// 返回: 购买结果和错误码
func (h Controller) BuyItem(data *item.BuyInboundInfo, player *player.Player) (result *item.BuyOutboundInfo, err errorcode.ErrorCode) {
	itemInfo, exists := xmlres.ItemsMAP[int(data.ItemId)]
	if !exists {
		return &item.BuyOutboundInfo{Coins: player.Info.Coins}, 0
	}

	// 免费道具直接添加
	if itemInfo.Price == 0 {
		if player.ItemAdd(data.ItemId, data.Count) {
			return &item.BuyOutboundInfo{
				ItemId: data.ItemId,
				Level:  1,
				Count:  data.Count,
				Coins:  player.Info.Coins,
			}, 0
		}
		return &item.BuyOutboundInfo{Coins: player.Info.Coins}, 0
	}

	// 需要付费的道具
	totalCost := int64(data.Count) * int64(itemInfo.Price)
	if !player.GetCoins(totalCost) {
		return &item.BuyOutboundInfo{Coins: player.Info.Coins}, errorcode.ErrorCodes.ErrSunDouInsufficient10016
	}

	if player.ItemAdd(data.ItemId, data.Count) {
		player.Info.Coins -= totalCost
		return &item.BuyOutboundInfo{
			ItemId: data.ItemId,
			Level:  1,
			Count:  data.Count,
			Coins:  player.Info.Coins,
		}, 0
	}

	// 购买失败，返还赛尔豆
	player.Info.Coins += totalCost
	return &item.BuyOutboundInfo{Coins: player.Info.Coins}, 0
}

// BuyMultipleItems 批量购买道具
// data: 包含批量购买道具信息的输入数据
// player: 当前玩家对象
// 返回: 批量购买结果和错误码
func (h Controller) BuyMultipleItems(data *item.BuyMultiInboundInfo, player *player.Player) (result *item.BuyMultiOutboundInfo, err errorcode.ErrorCode) {
	for _, itemID := range data.ItemIds {
		itemInfo, exists := xmlres.ItemsMAP[int(itemID)]
		if !exists {
			continue
		}

		// 免费道具直接添加
		if itemInfo.Price == 0 {
			player.ItemAdd(int64(itemID), 1)
			continue
		}

		// 需要付费的道具
		if !player.GetCoins(int64(itemInfo.Price)) {
			break
		}

		if player.ItemAdd(int64(itemID), 1) {
			player.Info.Coins -= int64(itemInfo.Price)
		}
	}

	return &item.BuyMultiOutboundInfo{
		Coins: player.Info.Coins,
	}, 0
}

// BuyGoldItem 使用金豆购买商品
// data: 包含金豆购买商品信息的输入数据
// player: 当前玩家对象
// 返回: 金豆购买结果和错误码
func (h Controller) BuyGoldItem(data *item.C2S_GOLD_BUY_PRODUCT, player *player.Player) (result *item.S2C_GoldBuyProductInfo, err errorcode.ErrorCode) {
	//product, exists := xmlres.GoldProductMap[int(data.ProductID)]
	pro := service.NewShopService().Get(data.ProductID)
	if pro == nil {
		return nil, errorcode.ErrorCodes.ErrSystemError
	}
	var usegold uint64
	var addSuccess bool
	switch data.Type {
	case 0:
		if pro.SeerdouPrice == 0 {
			return nil, errorcode.ErrorCodes.ErrSystemError
		}

		if !player.GetCoins(data.Count * int64(pro.SeerdouPrice)) {
			return nil, errorcode.ErrorCodes.ErrSystemError
		}
		usegold = uint64(data.Count) * uint64(pro.SeerdouPrice)

	case 1:
		if pro.JindouPrice == 0 {
			return nil, errorcode.ErrorCodes.ErrSystemError
		}

		if !player.UseGold(int64(data.Count) * int64(pro.JindouPrice) * 100) {
			return nil, errorcode.ErrorCodes.ErrSystemError
		}
		usegold = uint64(data.Count) * uint64(pro.JindouPrice*100)

	}

	addSuccess = player.ItemAdd(pro.ProductID, data.Count)
	if addSuccess {

		switch data.Type {
		case 0:
			player.Info.Coins -= int64(usegold)

		case 1:
			player.User.UpdateGold(player.Info.UserID, -int64(usegold))
			//购买成功，执行记录

		}

		player.SendPackCmd(1105, item.GoldOnlineRemainOutboundInfo{
			Coin:       player.Info.Coins,
			GoldNumber: uint32(player.User.GetGold(uint(player.Info.UserID))),
		})
	}

	return nil, -1
}