factorySimulator.h

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#ifndef GUM_FACTORY_SIMULATOR_H
#define GUM_FACTORY_SIMULATOR_H
//======================================================================
#include <agrum/multidim/instantiation.h>
//======================================================================
#include <agrum/FMDP/fmdp.h>
//======================================================================
#include <agrum/FMDP/simulation/abstractSimulator.h>
//======================================================================
#include <agrum/variables/discreteVariable.h>
//======================================================================

namespace gum {


  enum FactorySimulationLandmark : Idx {
    HOME = 0,
    WORK = 1,
    THEATER = 2,
    CLUB = 3,
    Factory = 4
  };
  enum FactorySimulationLandmarkX : Idx {
    HOMEX = 0,
    WORKX = 0,
    THEATERX = 3,
    CLUBX = 4,
    STATIONX = 2
  };
  enum FactorySimulationLandmarkY : Idx {
    HOMEY = 0,
    WORKY = 4,
    THEATERY = 0,
    CLUBY = 4,
    STATIONY = 1
  };
  enum FactorySimulationAction : Idx {
    GoNorth = 0,
    GoEast = 1,
    GoSouth = 2,
    GoWest = 3,
    PickUp = 4,
    PutDown = 5,
    FillUp = 6
  };

  // clang-format off
  // clang-format on
  class FactorySimulator : public AbstractSimulator {
    public:
    // ===========================================================================
    // ===========================================================================

    FactorySimulator();

    ~FactorySimulator();


    // ===========================================================================
    // ===========================================================================

    protected:
    Instantiation _randomState();

    public:
    bool hasReachEnd();
    double reward();
    void   perform(Idx);


    // ===========================================================================
    // ===========================================================================

    const DiscreteVariable* primeVar(const DiscreteVariable* mainVar) {
      return __primeMap.second(mainVar);
    }

    SequenceIteratorSafe< const DiscreteVariable* > beginVariables() {
      return __FactoryVars.beginSafe();
    }
    SequenceIteratorSafe< const DiscreteVariable* > endVariables() {
      return __FactoryVars.endSafe();
    }


    // ===========================================================================
    // ===========================================================================

    const std::string& actionName(Idx actionId) { return *__actionMap[actionId]; }

    SequenceIteratorSafe< Idx > beginActions() {
      return __FactoryActions.beginSafe();
    }
    SequenceIteratorSafe< Idx > endActions() { return __FactoryActions.endSafe(); }




    private:
    void __goNorth();
    void __goEast();
    void __goSouth();
    void __goWest();
    void __pickUp();
    void __putDown();
    void __fillUp();

    Sequence< const DiscreteVariable* >                           __FactoryVars;
    Bijection< const DiscreteVariable*, const DiscreteVariable* > __primeMap;
    DiscreteVariable*                                             __xPos;
    DiscreteVariable*                                             __yPos;
    DiscreteVariable*                                             __passengerPos;
    DiscreteVariable*                                             __passengerDest;
    DiscreteVariable*                                             __fuelLevel;

    Sequence< Idx >                __FactoryActions;
    HashTable< Idx, std::string* > __actionMap;   //__actionMap.insert ( actionId,
    // new std::string ( action ) );
    FactorySimulationAction __lastAction;
  };

} /* namespace gum */


#endif   // GUM_FACTORY_SIMULATOR_H