factorySimulator.h

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 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
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#ifndef GUM_FACTORY_SIMULATOR_H
#define GUM_FACTORY_SIMULATOR_H
//======================================================================
//======================================================================
//======================================================================
#include <agrum/FMDP/simulation/abstractSimulator.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