PointKdTreeSearcher2.h

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/*************************************************************************
> File Name: PointKdTreeSearcher2.h
> Project Name: CubbyFlow
> Author: Chan-Ho Chris Ohk
> Purpose: KdTree-based 2-D point searcher.
> Created Time: 2017/12/05
> Copyright (c) 2018, Chan-Ho Chris Ohk
*************************************************************************/
#ifndef CUBBYFLOW_POINT_KDTREE_SEARCHER2_H
#define CUBBYFLOW_POINT_KDTREE_SEARCHER2_H

#include <Core/Geometry/KdTree.h>
#include <Core/Searcher/PointNeighborSearcher2.h>

namespace CubbyFlow
{
    class PointKdTreeSearcher2 final : public PointNeighborSearcher2
    {
    public:
        CUBBYFLOW_NEIGHBOR_SEARCHER2_TYPE_NAME(PointKdTreeSearcher2)

        class Builder;

        PointKdTreeSearcher2();

        PointKdTreeSearcher2(const PointKdTreeSearcher2& other);

        void Build(const ConstArrayAccessor1<Vector2D>& points) override;

        void ForEachNearbyPoint(
            const Vector2D& origin, double radius,
            const ForEachNearbyPointFunc& callback) const override;

        bool HasNearbyPoint(const Vector2D& origin, double radius) const override;

        PointNeighborSearcher2Ptr Clone() const override;

        PointKdTreeSearcher2& operator=(const PointKdTreeSearcher2& other);

        void Set(const PointKdTreeSearcher2& other);

        void Serialize(std::vector<uint8_t>* buffer) const override;

        void Deserialize(const std::vector<uint8_t>& buffer) override;

        static Builder GetBuilder();

    private:
        KdTree<double, 2> m_tree;
    };

    using PointKdTreeSearcher2Ptr = std::shared_ptr<PointKdTreeSearcher2>;

    class PointKdTreeSearcher2::Builder final : public PointNeighborSearcherBuilder2
    {
    public:
        PointKdTreeSearcher2 Build() const;

        PointKdTreeSearcher2Ptr MakeShared() const;

        PointNeighborSearcher2Ptr BuildPointNeighborSearcher() const override;
    };
}

#endif