go_dreamfactory/modules/items/api_useItem.go

package items

import (
	"go_dreamfactory/comm"
	"go_dreamfactory/pb"
	cfg "go_dreamfactory/sys/configure/structs"
)

//参数校验
func (this *apiComp) UseitemCheck(session comm.IUserSession, req *pb.ItemsUseItemReq) (errdata *pb.ErrorData) {
	if req.GridId == "" || req.Amount <= 0 || req.Select < 0 {
		errdata = &pb.ErrorData{
			Code:  pb.ErrorCode_ReqParameterError,
			Title: pb.ErrorCode_ReqParameterError.ToString(),
		}
	}
	return
}

//使用道具
func (this *apiComp) Useitem(session comm.IUserSession, req *pb.ItemsUseItemReq) (errdata *pb.ErrorData) {
	var (
		err    error
		item   *pb.DB_UserItemData
		itemcf *cfg.GameItemData
		prop   []*cfg.GameDropData
	)
	if code = this.UseitemCheck(session, req); errdata != nil {
		return
	}
	if item, err = this.module.modelItems.QueryUserPackByGridId(session.GetUserId(), req.GridId); err != nil {
		errdata = &pb.ErrorData{
			Code:  pb.ErrorCode_ReqParameterError,
			Title: pb.ErrorCode_ReqParameterError.ToString(),
		}
		return
	}
	if itemcf, err = this.module.configure.GetItemConfigure(item.ItemId); err != nil {
		code = pb.ErrorCode_ConfigurationException
		return
	}
	switch itemcf.Usetype {
	case itemuse_exchange: //分解(体力，兑换
		sale := make([]*cfg.Gameatn, 0, len(prop))
		for _, v := range itemcf.DecomposeDeplete {
			sale = append(sale, &cfg.Gameatn{
				A: v.A,
				T: v.T,
				N: v.N * int32(req.Amount),
			})

		}
		if code = this.module.AddItemforGrid(session, req.GridId, -1*int32(req.Amount), true); errdata != nil {
			return
		}
		if code = this.module.DispenseRes(session, sale, true); errdata != nil {
			return
		}
		break
	case itemuse_optionalbox: //自选宝箱
		if prop = this.module.configure.GetDropData(itemcf.BoxId); prop == nil {
			code = pb.ErrorCode_ConfigNoFound
			return
		}
		if code = this.module.AddItemforGrid(session, req.GridId, -1*int32(req.Amount), true); errdata != nil {
			return
		}
		var sale []*cfg.Gameatn
		for _, v := range prop {
			if v.Id == req.Select {
				for _, v1 := range v.Prize {
					sale = append(sale, &cfg.Gameatn{
						A: v1.A,
						T: v1.T,
						N: v1.N * int32(req.Amount),
					})
				}
			}
		}
		if sale == nil {
			this.module.Errorf("no found target sale:%v", req.Select)
			errdata = &pb.ErrorData{
				Code:  pb.ErrorCode_ReqParameterError,
				Title: pb.ErrorCode_ReqParameterError.ToString(),
			}
			return
		}

		if code = this.module.DispenseRes(session, sale, true); errdata != nil {
			return
		}
	case itemuse_randombox: //宝箱
		if prop = this.module.configure.GetDropData(itemcf.BoxId); prop == nil {
			code = pb.ErrorCode_ConfigNoFound
			return
		}
		sale := make([]*cfg.Gameatn, 0)
		for i := uint32(0); i < req.Amount; i++ {
			sale = append(sale, RandomProps(prop).Prize...)
		}
		if code = this.module.AddItemforGrid(session, req.GridId, -1*int32(req.Amount), true); errdata != nil {
			return
		}
		if code = this.module.DispenseRes(session, sale, true); errdata != nil {
			return
		}
	case itemuse_synthesis: //合成
		user := this.module.ModuleUser.GetUser(session.GetUserId())
		reward := this.module.ModuleTools.GetGroupDataByLottery(itemcf.BoxId, user.Vip, user.Lv) // 走新的掉落
		if reward == nil {
			code = pb.ErrorCode_ConfigNoFound
			return
		}
		if itemcf.SynthetizeNum*int32(req.Amount) > int32(item.Amount) { //碎片数量不够
			code = pb.ErrorCode_ItemsNoEnough
			return
		}
		sale := make([]*cfg.Gameatn, 0, len(itemcf.SynthetizeDeplete))
		for _, v := range itemcf.SynthetizeDeplete {
			sale = append(sale, &cfg.Gameatn{
				A: v.A,
				T: v.T,
				N: v.N * int32(req.Amount),
			})
		}
		if code = this.module.ConsumeRes(session, sale, true); errdata != nil {
			return
		}

		if code = this.module.AddItemforGrid(session, req.GridId, -1*itemcf.SynthetizeNum*int32(req.Amount), true); errdata != nil {
			return
		}
		sale = make([]*cfg.Gameatn, 0, len(prop))
		for _, v1 := range reward {
			sale = append(sale, &cfg.Gameatn{
				A: v1.A,
				T: v1.T,
				N: v1.N * int32(req.Amount),
			})
		}
		if code = this.module.DispenseRes(session, sale, true); errdata != nil {
			return
		}

	default:
		code = pb.ErrorCode_ItemsUseNotSupported
		return
	}
	session.SendMsg(string(this.module.GetType()), "useitem", &pb.ItemsUseItemResp{GridId: req.GridId, Amount: req.Amount, Issucc: true})
	return
}