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package grade
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import (
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"context"
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"git.noahlan.cn/northlan/ntools-go/gorm-zero/gormx"
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"github.com/pkg/errors"
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"gorm.io/gorm"
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"live-service/app/user_center/model"
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"live-service/app/user_center/rpc/internal/config"
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"live-service/app/user_center/rpc/pb"
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)
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// Manager 排位管理器
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// 段/二级星/星等级(5) 二级段顶级后，开始晋级赛（1次），获胜后升段。
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// 战斗积分（累计），抵扣掉段，每个大段抵扣值不同。
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// 获胜+星，失败-星
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type (
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Manager struct {
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config *config.GameConfig
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userGradeModel model.UserGradeModel
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}
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ReportReq struct {
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UserId int64
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Username string
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Position int32
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Score float32
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}
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ReportResp struct {
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ReportReq
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*pb.Grade
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Result pb.StatPvPReportResp_GradeResult
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Reason pb.StatPvPReportResp_GradeReason
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}
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)
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func NewUserGradeManager(config *config.GameConfig, userGradeModel model.UserGradeModel) *Manager {
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return &Manager{
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config: config,
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userGradeModel: userGradeModel,
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}
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}
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// QueryUser 查询用户段位
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func (m *Manager) QueryUser(ctx context.Context, userId int64) (*model.UserGrade, error) {
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var resp *model.UserGrade
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if err := m.userGradeModel.TransactCtx(ctx, nil, func(tx *gorm.DB) error {
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dbModel, err := m.userGradeModel.FindOne(ctx, nil, userId)
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if err != nil {
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if errors.Is(err, gormx.ErrNotFound) {
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dbModel = &model.UserGrade{
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UserId: userId,
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Grade: model.DefaultUserGrade,
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Level: model.DefaultUserGradeLevel,
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Star: model.DefaultUserGradeStar,
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BravePoint: 0,
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}
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if err = m.userGradeModel.Insert(ctx, tx, dbModel); err != nil {
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return err
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}
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resp = dbModel
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}
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return err
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}
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resp = dbModel
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return nil
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}); err != nil {
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return nil, err
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}
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return resp, nil
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}
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// Report 战斗记录
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func (m *Manager) Report(ctx context.Context, winItems, lostItems []ReportReq) ([]ReportResp, error) {
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// 1. 查询现有段位信息
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// 2. 计算段位结果
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// 3. 更新并返回
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userCountSatisfied := len(winItems)+len(lostItems) >= m.config.Grade.MinUserCount
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resp := make([]ReportResp, 0, len(winItems)+len(lostItems))
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if err := m.userGradeModel.TransactCtx(ctx, nil, func(tx *gorm.DB) error {
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for _, item := range winItems {
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if itemResp, err := m.reportItem(ctx, tx, item, true, userCountSatisfied); err != nil {
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return err
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} else {
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resp = append(resp, *itemResp)
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}
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}
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for _, item := range lostItems {
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if itemResp, err := m.reportItem(ctx, tx, item, false, userCountSatisfied); err != nil {
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return err
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} else {
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resp = append(resp, *itemResp)
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}
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}
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return nil
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}); err != nil {
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return nil, err
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}
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return resp, nil
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}
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func (m *Manager) reportItem(ctx context.Context, tx *gorm.DB, item ReportReq, win bool, userCountSatisfied bool) (*ReportResp, error) {
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var resp *ReportResp
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dbModel, err := m.userGradeModel.FindOne(ctx, tx, item.UserId)
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if err != nil {
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if !errors.Is(err, gormx.ErrNotFound) {
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return nil, err
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}
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}
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if dbModel == nil {
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// insert
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dbModel = &model.UserGrade{
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UserId: item.UserId,
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}
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grade, result, reason := m.calcRank(win, userCountSatisfied,
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model.DefaultUserGrade,
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model.DefaultUserGradeLevel,
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model.DefaultUserGradeStar,
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0,
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item.Score,
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item.Position)
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dbModel.Grade = int64(grade.Grade)
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dbModel.Level = int64(grade.Level)
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dbModel.Star = int64(grade.Star)
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dbModel.BravePoint = grade.BravePoint
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if err = m.userGradeModel.Insert(ctx, tx, dbModel); err != nil {
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return nil, err
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}
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resp = &ReportResp{
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ReportReq: ReportReq{
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UserId: dbModel.UserId,
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Username: item.Username,
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Position: item.Position,
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Score: item.Score,
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},
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Grade: &grade,
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Result: result,
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Reason: reason,
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}
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return resp, nil
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}
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grade, result, reason := m.calcRank(win, userCountSatisfied,
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dbModel.Grade,
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dbModel.Level,
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dbModel.Star,
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dbModel.BravePoint,
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item.Score,
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item.Position)
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dbModel.Grade = int64(grade.Grade)
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dbModel.Level = int64(grade.Level)
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dbModel.Star = int64(grade.Star)
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dbModel.BravePoint = grade.BravePoint
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if err = m.userGradeModel.UpdateOptimistic(ctx, tx, dbModel); err != nil {
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return nil, err
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}
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resp = &ReportResp{
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ReportReq: ReportReq{
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UserId: dbModel.UserId,
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Username: item.Username,
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Position: item.Position,
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Score: item.Score,
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},
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Grade: &grade,
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Result: result,
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Reason: reason,
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}
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return resp, nil
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}
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func (m *Manager) calcRank(win bool, userCountSatisfied bool, grade, level, star, bravePoint int64, score float32, position int32) (g pb.Grade, result pb.StatPvPReportResp_GradeResult, reason pb.StatPvPReportResp_GradeReason) {
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g.Grade = int32(grade)
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g.Level = int32(level)
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g.Star = int32(star)
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g.BravePoint = bravePoint + int64(score)
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if g.BravePoint > m.config.Grade.MaxBravePoint {
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g.BravePoint = m.config.Grade.MaxBravePoint
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}
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if score < m.config.Grade.WinScoreThreshold {
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result = pb.StatPvPReportResp_Keep
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reason = pb.StatPvPReportResp_Win
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return
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}
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if !userCountSatisfied {
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result = pb.StatPvPReportResp_Keep
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reason = pb.StatPvPReportResp_Win
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return
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}
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if win {
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reason = pb.StatPvPReportResp_Win // 获胜
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if grade != model.MaxUserGrade || level != model.MaxUserGradeLevel-1 || star != model.MaxUserGradeStar {
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// 非最高段位
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if star == model.MaxUserGradeStar {
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g.Star = model.DefaultUserGradeStar
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if level == model.MaxUserGradeLevel {
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g.Level = model.DefaultUserGradeLevel
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// grade
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if grade == model.MaxUserGrade {
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g.Grade = int32(grade)
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result = pb.StatPvPReportResp_Keep
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} else {
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g.Grade = int32(grade + 1)
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result = pb.StatPvPReportResp_GradeUp
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}
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} else {
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g.Level = int32(level + 1)
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result = pb.StatPvPReportResp_LevelUp
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}
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} else {
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g.Star = int32(star + 1)
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result = pb.StatPvPReportResp_StarUp // 升星
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}
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}
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} else {
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// 大段位保护
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if grade <= m.config.Grade.ProtectedGradeThreshold {
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g.Grade = int32(grade)
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g.Level = int32(level)
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g.Star = int32(star)
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g.BravePoint = bravePoint
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reason = pb.StatPvPReportResp_Lost
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result = pb.StatPvPReportResp_Keep
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return
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}
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// 名次保护
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if position <= m.config.Grade.ProtectedGradeLost {
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g.Grade = int32(grade)
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g.Level = int32(level)
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g.Star = int32(star)
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g.BravePoint = bravePoint
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reason = pb.StatPvPReportResp_Lost
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result = pb.StatPvPReportResp_Keep
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return
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}
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// 段位的骁勇分减扣规则
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bravePointCost := m.config.Grade.BravePointCost[grade]
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if bravePoint >= bravePointCost {
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g.Grade = int32(grade)
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g.Level = int32(level)
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g.Star = int32(star)
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g.BravePoint = bravePoint - bravePointCost
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if g.BravePoint < 0 {
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g.BravePoint = 0
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}
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reason = pb.StatPvPReportResp_BravePoint
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result = pb.StatPvPReportResp_Keep
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return
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}
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reason = pb.StatPvPReportResp_Lost
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if star != model.DefaultUserGradeStar || level != model.DefaultUserGradeLevel || grade != model.DefaultUserGrade {
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if star == model.DefaultUserGradeStar {
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g.Star = model.MaxUserGradeStar - 1 // 掉小段或掉大段，星星变 max-1
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if level == model.DefaultUserGradeLevel {
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g.Level = model.MaxUserGradeLevel
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if grade == model.DefaultUserGrade {
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g.Grade = model.DefaultUserGrade
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result = pb.StatPvPReportResp_Keep
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} else {
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g.Grade = int32(grade - 1)
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result = pb.StatPvPReportResp_GradeDown
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}
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} else {
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g.Level = int32(level - 1)
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result = pb.StatPvPReportResp_LevelDown
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}
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} else {
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g.Star = int32(star - 1)
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result = pb.StatPvPReportResp_StarDown
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}
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}
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}
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g.BravePoint = bravePoint + int64(score)
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if g.BravePoint > m.config.Grade.MaxBravePoint {
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g.BravePoint = m.config.Grade.MaxBravePoint
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}
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return
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}
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