go_dreamfactory/modules/hero/api_drawCard.go

package hero

import (
	"crypto/rand"
	"go_dreamfactory/comm"
	"go_dreamfactory/pb"
	cfg "go_dreamfactory/sys/configure/structs"
	"math/big"

	"google.golang.org/protobuf/proto"
)

func (this *apiComp) DrawCardCheck(session comm.IUserSession, req *pb.HeroDrawCardReq) (code pb.ErrorCode) {
	if req.DrawType <= 0 { // 只能是单抽或10抽
		code = pb.ErrorCode_ReqParameterError
	}
	return
}

//抽卡
func (this *apiComp) DrawCard(session comm.IUserSession, req *pb.HeroDrawCardReq) (code pb.ErrorCode, data proto.Message) {
	var (
		szCards       []int32 // 最终抽到的卡牌
		totalWeight   int64   // 总权重
		curWeigth     int64   // 临时随机获得的权重
		drawTimes     int32   // 抽卡次数
		hitStar4      int32   // 抽了多少次还没获得4星英雄
		hitStar5      int32   // 抽了多少次还没获得5星英雄
		hitStar       int32   // 抽中几星
		curStar4Count int32   // 当前4星没抽到的次数
		curStar5Count int32   // 当前5星没抽到的次数
		floor4Count   int32   // 4星保底次数
		floor5Count   int32   // 5星保底次数

	)
	szCards = make([]int32, 0)
	rsp := &pb.HeroDrawCardResp{}
	//curStar4Count = this.GetFloorStarData(req.DrawType, session.GetUserId(), 4)
	//curStar5Count = this.GetFloorStarData(req.DrawType, session.GetUserId(), 5)
	this.module.Debugf("当前4星抽卡没中次数:%d, 当前5星抽卡没中次数:%d", curStar4Count, curStar5Count)

	// 抽卡相关
	// 获取配置文件的权重信息
	_conf, err := this.module.configure.GetHeroDrawConfig()
	if err != nil {
		code = pb.ErrorCode_ConfigNoFound
		return
	}

	_costConf, err := this.module.configure.GetDrawCostConfigByID(req.DrawType)
	if err != nil {
		code = pb.ErrorCode_ConfigNoFound
		return
	}
	floor4Count = _costConf.Floor4 // 4星保底次数
	floor5Count = _costConf.Floor5 // 五星保底次数
	if floor4Count == 0 || floor5Count == 0 {
		code = pb.ErrorCode_ConfigNoFound
		return
	}
	sz := make([]*cfg.Game_atn, 0)
	sz = append(sz, _costConf.Cost)
	code = this.module.CheckRes(session, sz) // 消耗校验
	if code != pb.ErrorCode_Success {
		return
	}

	drawTimes = _costConf.Count // 抽卡次数
	for _, v := range _conf.GetDataList() {
		totalWeight += int64(v.Weight) // 统计所有权重
	}
	this.module.configure.GetDrawUpDrawConfig()
	drawTimes = 1
	for i := 0; i < int(drawTimes); i++ {
		n, _ := rand.Int(rand.Reader, big.NewInt(totalWeight)) // [0,totalWeight)
		for _, v := range _conf.GetDataList() {
			curWeigth += int64(v.Weight)
			if curWeigth < n.Int64() { // 命中
				szCards = append(szCards, v.Id)
				// 获取当前星级
				_getCardCfg := this.module.configure.GetHero(v.Id) //获取的英雄信息
				if _getCardCfg != nil {
					continue
				}
				if _getCardCfg.Star == 4 { // 当抽取到的英雄是4星的时候 清除 该类型的保底次数
					//SetFloorStarData(req.DrawType, session.GetUserId(), 4)
					hitStar4 = 0
					hitStar = 4
					break
				} else if _getCardCfg.Star == 5 { // 当抽取到的英雄是5星的时候 清除 该类型的保底次数
					//SetFloorStarData(req.DrawType, session.GetUserId(), 5)
					hitStar5 = 0 // 清0
					hitStar = 5
					break
				}
				hitStar4++
				hitStar5++

				if hitStar4 >= floor4Count { // 达到保底次数了 修改当前卡牌星级
					break
				}
				if hitStar5 >= floor5Count { // 触发5星保底
					// 5星卡池找
					break
				}
				break
			}
		}
		if hitStar != 0 {
			hitStar = 0
			//ModifyFloorStarData(req.DrawType, session.GetUserId(), hitStar) // 重置该星级保底
		}
	}
	if hitStar4 != 0 {
		//AddFloorStarData(req.DrawType, session.GetUserId(), 4, hitStar4) // 增加4星保底次数
	}

	if hitStar5 != 0 {
		//AddFloorStarData(req.DrawType, session.GetUserId(), 5, hitStar5) // 增加5星保底次数
	}
	//计算保底

	if err := this.module.modelHero.createMultiHero(session.GetUserId(), szCards...); err != nil {
		code = pb.ErrorCode_HeroCreate
		return
	}

	rsp.Heroes = szCards
	session.SendMsg(string(this.module.GetType()), DrawCard, rsp)
	return
}

// // 获取当前卡牌类型保底次数
// func GetFloorStarData(drawType int32, uid string, star int32) (count int32) {
// 	return
// }

// // 清除保底信息(drawType 抽卡类型)
// func SetFloorStarData(drawType int32, uid string, star int32) {
// 	return
// }

// // 当前没有抽中 增加保底次数
// func AddFloorStarData(drawType int32, uid string, star int32, count int32) {

// 	return
// }

// // 当前有抽中 修改保底次数
// func ModifyFloorStarData(drawType int32, uid string, star int32) {

// 	return
// }