#ifndef POINT_HPP
#define POINT_HPP

#include "vector3.hpp"
#include <cstdint>
#define M_PI 3.1415

class Point {
private:
    int64_t x_, y_, z_;

public:
    Point(int64_t x = 0, int64_t y = 0, int64_t z = 0) : x_(x), y_(y), z_(z) {}

    int64_t x() const { return x_; }
    int64_t y() const { return y_; }
    int64_t z() const { return z_; }

    Point operator+(const Point& p) const;
    Point operator-(const Point& p) const;

    bool operator==(const Point& p) const;
    bool operator!=(const Point& p) const;

    // ת»»
    Vector3 toVector3() const;
    static Point fromVector3(const Vector3& v);

    friend std::ostream& operator<<(std::ostream& os, const Point& p);
};

// Hashº¯Êý
namespace std {
    template<>
    struct hash<Point> {
        size_t operator()(const Point& p) const {
            size_t h1 = std::hash<int64_t>()(p.x());
            size_t h2 = std::hash<int64_t>()(p.y());
            size_t h3 = std::hash<int64_t>()(p.z());
            return h1 ^ (h2 << 1) ^ (h3 << 2);
        }
    };
}

#endif