136 lines
3.3 KiB
Go
136 lines
3.3 KiB
Go
package smithy
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import (
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"go_dreamfactory/comm"
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"go_dreamfactory/lego/core"
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"go_dreamfactory/modules"
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"go_dreamfactory/pb"
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"go_dreamfactory/sys/configure"
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cfg "go_dreamfactory/sys/configure/structs"
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"math/rand"
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"go.mongodb.org/mongo-driver/bson/primitive"
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"go.mongodb.org/mongo-driver/mongo"
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"go.mongodb.org/mongo-driver/x/bsonx"
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)
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type modelTrade struct {
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modules.MCompModel
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module *Smithy
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}
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func (this *modelTrade) Init(service core.IService, module core.IModule, comp core.IModuleComp, options core.IModuleOptions) (err error) {
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this.TableName = string(comm.TableSmithyTrade)
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err = this.MCompModel.Init(service, module, comp, options)
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this.module = module.(*Smithy)
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// uid 创建索引
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this.DB.CreateIndex(core.SqlTable(this.TableName), mongo.IndexModel{
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Keys: bsonx.Doc{{Key: "uid", Value: bsonx.Int32(1)}},
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})
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return
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}
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// 权重项目
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type WeightedRandom struct {
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items []*cfg.GameSmithyCustomerData
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totalWeight int
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}
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func newWeightedRandom(items []*cfg.GameSmithyCustomerData) *WeightedRandom {
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wr := &WeightedRandom{items: items}
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for _, item := range wr.items {
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wr.totalWeight += int(item.Weight)
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}
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return wr
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}
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func (wr *WeightedRandom) pick() *cfg.GameSmithyCustomerData {
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randomNumber := rand.Intn(wr.totalWeight)
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for _, item := range wr.items {
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if randomNumber < int(item.Weight) {
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return item
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}
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randomNumber -= int(item.Weight)
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}
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return nil
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}
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// 随机顾客
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func (s *modelTrade) getCustomerRandom() (customerId int32) {
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items := s.module.configure.GetSmithyCustomerConfList()
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wr := newWeightedRandom(items)
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if c := wr.pick(); c != nil {
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customerId = c.CustomerId
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}
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return
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}
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func (s *modelTrade) getDBCustomer(uid string) (*pb.DBCustomer, error) {
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customer := &pb.DBCustomer{}
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if err := s.Get(uid, customer); err != nil {
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s.module.Errorln(err)
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return nil, err
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}
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return customer, nil
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}
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// 初始顾客
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func (s *modelTrade) addCustomer(uid string, num int32) (*pb.DBCustomer, error) {
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customer := &pb.DBCustomer{
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Id: primitive.NewObjectID().Hex(),
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Uid: uid,
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Total: num,
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LastRefreshTime: configure.Now().Unix(),
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}
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for i := 0; i < int(num); i++ {
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customer.CustomerIds = append(customer.CustomerIds, s.getCustomerRandom())
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}
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if err := s.Add(uid, customer); err != nil {
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s.module.Errorln(err)
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return nil, err
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}
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return customer, nil
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}
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// 移除顾客
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func (s *modelTrade) removeCustomer(cus *pb.DBCustomer, customerId int32) *pb.DBCustomer {
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for i, v := range cus.CustomerIds {
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if v == customerId {
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cus.CustomerIds = append(cus.CustomerIds[:i], cus.CustomerIds[i+1:]...)
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i--
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}
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}
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return cus
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}
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// 随机新顾客
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func (s *modelTrade) updateCustomer(uid string, customerId int32) error {
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cus, err := s.getDBCustomer(uid)
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if err == nil {
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cus = s.removeCustomer(cus, customerId)
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cus.Total++
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//上限
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limit := 20
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left := limit - int(cus.Total)
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if left <= 0 {
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return comm.NewCustomError(pb.ErrorCode_SmithyCustomerLimit)
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}
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cus.CustomerIds = append(cus.CustomerIds, s.getCustomerRandom())
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cus.LastRefreshTime = configure.Now().Unix()
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update := map[string]interface{}{
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"customerIds": cus.CustomerIds,
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"total": cus.Total,
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"lastRefreshTime": cus.LastRefreshTime,
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}
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if err := s.Change(uid, update); err != nil {
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return err
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}
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}
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return nil
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}
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//顾客类型策略
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//交易
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