MSCFModel_SmartSK.h

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/****************************************************************************/
// A smarter SK
/****************************************************************************/
// SUMO, Simulation of Urban MObility; see http://sumo.dlr.de/
// Copyright (C) 2012-2017 DLR (http://www.dlr.de/) and contributors
/****************************************************************************/
//
//   This file is part of SUMO.
//   SUMO is free software: you can redistribute it and/or modify
//   it under the terms of the GNU General Public License as published by
//   the Free Software Foundation, either version 3 of the License, or
//   (at your option) any later version.
//
/****************************************************************************/
#ifndef MSCFModel_SmartSK_h
#define MSCFModel_SmartSK_h

// ===========================================================================
// included modules
// ===========================================================================
#ifdef _MSC_VER
#include <windows_config.h>
#else
#include <config.h>
#endif

#include "MSCFModel.h"
#include <utils/xml/SUMOXMLDefinitions.h>


// ===========================================================================
// class definitions
// ===========================================================================
class MSCFModel_SmartSK : public MSCFModel {
public:
    MSCFModel_SmartSK(const MSVehicleType* vtype, double accel,
                      double decel, double emergencyDecel, double apparentDecel,
                      double dawdle, double headwayTime,
                      double tmp1, double tmp2, double tmp3, double tmp4, double tmp5);


    ~MSCFModel_SmartSK();



    double moveHelper(MSVehicle* const veh, double vPos) const;


    virtual double followSpeed(const MSVehicle* const veh, double speed, double gap2pred, double predSpeed, double predMaxDecel) const;


    virtual double stopSpeed(const MSVehicle* const veh, const double speed, double gap2pred) const;


    virtual int getModelID() const {
        return SUMO_TAG_CF_SMART_SK;
    }


    double getImperfection() const {
        return myDawdle;
    }




    void setMaxDecel(double decel) {
        myDecel = decel;
        myTauDecel = myDecel * myHeadwayTime;
    }


    void setImperfection(double imperfection) {
        myDawdle = imperfection;
    }


    void setHeadwayTime(double headwayTime) {
        myHeadwayTime = headwayTime;
        myTauDecel = myDecel * headwayTime;
    }


    virtual MSCFModel* duplicate(const MSVehicleType* vtype) const;

private:
    virtual double _vsafe(const MSVehicle* const veh, double gap, double predSpeed) const;


    virtual double dawdle(double speed) const;

    virtual void updateMyHeadway(const MSVehicle* const veh) const {
        // this is the point were the preferred headway changes slowly:
        SSKVehicleVariables* vars = (SSKVehicleVariables*)veh->getCarFollowVariables();
        double tTau = vars->myHeadway;
        tTau = tTau + (myHeadwayTime - tTau) * myTmp2 + myTmp3 * tTau * RandHelper::rand(double(-1.0), double(1.0));
        if (tTau < TS) { // this ensures the SK safety condition
            tTau = TS;
        }
        vars->myHeadway = tTau;
    }

    virtual MSCFModel::VehicleVariables* createVehicleVariables() const {
        SSKVehicleVariables* ret = new SSKVehicleVariables();
        ret->gOld = 0.0;
        ret->myHeadway = myHeadwayTime;
        return ret;
    }

#include <map>

private:
    class SSKVehicleVariables : public MSCFModel::VehicleVariables {
    public:
        double gOld, myHeadway;
        std::map<int, double> ggOld;
    };

protected:
    double myDawdle;

    double myTauDecel;

    double myTmp1, myTmp2, myTmp3, myTmp4, myTmp5;

    double myS2Sspeed, maxDeltaGap;

};

#endif /* MSCFModel_SmartSK_H */