Program Listing for File DiscreteStateSpace.h

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/* Author: Elizabeth Fudge */

#ifndef OMPL_BASE_SPACES_DISCRETE_STATE_SPACE_
#define OMPL_BASE_SPACES_DISCRETE_STATE_SPACE_

#include "ompl/base/StateSpace.h"

namespace ompl
{
    namespace base
    {
        class DiscreteStateSampler : public StateSampler
        {
        public:
            DiscreteStateSampler(const StateSpace *space) : StateSampler(space)
            {
            }

            void sampleUniform(State *state) override;
            void sampleUniformNear(State *state, const State *near, double distance) override;
            void sampleGaussian(State *state, const State *mean, double stdDev) override;
        };

        class DiscreteStateSpace : public StateSpace
        {
        public:
            class StateType : public State
            {
            public:
                int value;
            };

            DiscreteStateSpace(int lowerBound, int upperBound)
              : lowerBound_(lowerBound), upperBound_(upperBound)
            {
                setName("Discrete" + getName());
                type_ = STATE_SPACE_DISCRETE;
            }

            ~DiscreteStateSpace() override = default;

            bool isDiscrete() const override;

            unsigned int getDimension() const override;

            double getMaximumExtent() const override;

            double getMeasure() const override;

            void enforceBounds(State *state) const override;

            bool satisfiesBounds(const State *state) const override;

            unsigned int getSerializationLength() const override;

            void serialize(void *serialization, const State *state) const override;

            void deserialize(State *state, const void *serialization) const override;

            void copyState(State *destination, const State *source) const override;

            double distance(const State *state1, const State *state2) const override;

            bool equalStates(const State *state1, const State *state2) const override;

            void interpolate(const State *from, const State *to, double t, State *state) const override;

            StateSamplerPtr allocDefaultStateSampler() const override;

            State *allocState() const override;

            void freeState(State *state) const override;

            void printState(const State *state, std::ostream &out) const override;

            void printSettings(std::ostream &out) const override;

            void registerProjections() override;

            unsigned int getStateCount() const
            {
                return upperBound_ - lowerBound_ + 1;
            }

            int getLowerBound() const
            {
                return lowerBound_;
            }

            int getUpperBound() const
            {
                return upperBound_;
            }

            void setBounds(int lowerBound, int upperBound)
            {
                lowerBound_ = lowerBound;
                upperBound_ = upperBound;
            }

            void setup() override;

        protected:
            int lowerBound_;

            int upperBound_;
        };
    }
}

#endif