server/area.h

#ifndef _AREA_HPP_
#define _AREA_HPP_

#include <atomic>
#include <algorithm>
#include <iterator>
#include <point.h>
#include "common.h"
#include <write-copy.h>
struct area_hover;
struct point;

struct area
{
    area(int id,int limit_count_person, int limit_time_person,double scale,int32_t mapid,int32_t type)
        :m_id(id)
        ,m_area_type(type)
        ,m_limit_person_second(limit_time_person)
        ,m_limit_person_count(limit_count_person)
        ,m_scale(scale)
        ,m_mapid(mapid)
        ,m_person_count(0)
        ,m_vehicle_count(0)
    {
    }

    virtual void on_hover(uint32_t card_id,std::shared_ptr<area_hover>&c,double speed,int32_t type);
    virtual void on_enter(uint32_t card_id,std::shared_ptr<area_hover>&c,double speed,int32_t type);
    virtual void on_leave(uint32_t card_id,std::shared_ptr<area_hover>&c,double speed,int32_t type);
    bool in_area(const point & p);
    int id()const
    {
        return m_id;
    }
    int mapid()const
    {
        return m_mapid;
    }
    double scale()const
    {
        return m_scale;
    }
    bool special()const
    {
        return m_area_type == AREA_TYPE_NO_COVER;
    }
    virtual ~area()
    {}
    ///区域卡数
    int card_count()const
    {
        return m_person_count + m_vehicle_count;
    }

    std::vector<point> m_bound;
public:
    //std::atomic<int> m_card_count;
    int    m_id;
    ///区域类型  AREA_TYPE
    int m_area_type;

    int m_limit_person_second;
    int m_limit_person_count;

    int m_limit_vehicle_second;
    int m_limit_vehicle_count;
    double m_scale;
    int32_t m_mapid;

    ///区域人卡数
    std::atomic<int> m_person_count;
    ///区域车卡数
    std::atomic<int> m_vehicle_count;
};

struct area_list:single_base<area_list,int,std::shared_ptr<area>>
{
    area_list();

    std::shared_ptr<area> get_area(const point&pt);
    std::vector<point> init_path(std::string  &str);
    void init_from_db();
    void init_monkeycar_area();
};

struct area_hover
{
    std::shared_ptr<area>  m_area;
    time_t m_enter_time,m_last_time;
    point  m_enter_point,m_last_point;

    int landmark_id;
    int landmark_dir;
    double landmark_dis;
    area_hover()=default;
    area_hover(std::shared_ptr<area>&area,const point&pt,double speed)
        :m_area(area)
    {
        m_enter_time=m_last_time=time(0);
        m_enter_point=m_last_point=pt;
        landmark_id=0;
        landmark_dir=0;
        landmark_dis=0;
    }

    int id()const
    {
        return m_area->id();
    }
    int mapid()const
    {
        return m_area->mapid();
    }
    double scale()const
    {
        return m_area->scale();
    }
    bool operator == (const area_hover&o)const
    {
        return m_area->id()==o.m_area->id();
    }

    bool operator < (const area_hover&o)const
    {
        return m_area->id()<o.m_area->id();
    }
    std::tuple<time_t,time_t,int,int,int,int,double> getLandmark()
    {
        return std::make_tuple(m_enter_time,m_last_time,mapid(),id(),landmark_id,landmark_dir,landmark_dis);
    }
    void setLandmark(const point &pt);
    void set(const point&pt)
    {
        m_last_time=time(0);
        m_last_point = pt;
    }
};

//每张卡包含一个对象
//在解析出数据点时，调用on_point
struct area_tool
{
    std::shared_ptr<area_hover> m_area_hover=nullptr;
    void on_point(uint32_t card_id,const point&pt,double speed,int16_t type);
    void setLandmark(const point &pt)
    {
        if(m_area_hover)
        {
            m_area_hover->setLandmark(pt);
        }
    }
    //special area or no area att.,return true;else return false.
    bool special_area()
    {
        if(m_area_hover==nullptr)
            return true;
        return m_area_hover->m_area->special();
    }
    std::tuple<time_t,time_t,int,int,int,int,double> getLandmark()
    {
        if(m_area_hover)
            return m_area_hover->getLandmark();
        else
            return std::make_tuple(0,0,0,0,0,0,0);

    }
    //检测是否超时
    void on_timer(int64_t card_id)
    {

    }

    void do_hover_biz(uint32_t card_id,double speed,int16_t type)
    {
        m_area_hover->m_area->on_hover(card_id,m_area_hover,speed,type);
    }

    void do_enter_biz(uint32_t card_id,double speed,int16_t type)
    {
        m_area_hover->m_area->on_enter(card_id,m_area_hover,speed,type);
    }

    void do_leave_biz(uint32_t card_id,double speed,int16_t type)
    {
        m_area_hover->m_area->on_leave(card_id,m_area_hover,speed,type);
    }

    void change_area(uint32_t card_id,double speed,int16_t type,int32_t new_areaid)
    {
        do_leave_biz(card_id,speed,type);
        auto area = area_list::instance()->get(new_areaid);
        point pt;
        m_area_hover.reset(new area_hover(area,pt,speed));
        do_enter_biz(card_id,speed,type);
    }
};

#endif