PointNeighborSearcher2.h

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/*************************************************************************
> File Name: PointNeighborSearcher2.h
> Project Name: CubbyFlow
> Author: Chan-Ho Chris Ohk
> Purpose: Abstract base class for 2-D neighbor point searcher.
> Created Time: 2017/04/28
> Copyright (c) 2018, Chan-Ho Chris Ohk
*************************************************************************/
#ifndef CUBBYFLOW_POINT_NEIGHBOR_SEARCHER2_H
#define CUBBYFLOW_POINT_NEIGHBOR_SEARCHER2_H

#include <Core/Utils/Serialization.h>
#include <Core/Vector/Vector2.h>

#include <functional>
#include <memory>
#include <string>

namespace CubbyFlow
{
    class PointNeighborSearcher2 : public Serializable 
    {
    public:
        using ForEachNearbyPointFunc = std::function<void(size_t, const Vector2D&)>;

        PointNeighborSearcher2();

        virtual ~PointNeighborSearcher2();

        virtual std::string TypeName() const = 0;

        virtual void Build(const ConstArrayAccessor1<Vector2D>& points) = 0;

        virtual void ForEachNearbyPoint(const Vector2D& origin, double radius, const ForEachNearbyPointFunc& callback) const = 0;

        virtual bool HasNearbyPoint(const Vector2D& origin, double radius) const = 0;

        virtual std::shared_ptr<PointNeighborSearcher2> Clone() const = 0;
    };

    using PointNeighborSearcher2Ptr = std::shared_ptr<PointNeighborSearcher2>;

    class PointNeighborSearcherBuilder2
    {
    public:
        virtual ~PointNeighborSearcherBuilder2();

        virtual PointNeighborSearcher2Ptr BuildPointNeighborSearcher() const = 0;
    };

    using PointNeighborSearcherBuilder2Ptr = std::shared_ptr<PointNeighborSearcherBuilder2>;

#define CUBBYFLOW_NEIGHBOR_SEARCHER2_TYPE_NAME(DerivedClassName) \
    std::string TypeName() const override \
    { \
        return #DerivedClassName; \
    }
}

#endif