view-by-distance-mklink-console/Shared/Models/FacePoint.cs

using System.Drawing;
using System.Text.Json;
using System.Text.Json.Serialization;

namespace View_by_Distance.Shared.Models;

public class FacePoint : Properties.IFacePoint
{

    protected int _Index;
    protected int _X;
    protected int _Y;
    public int Index => _Index;
    public int X => _X;
    public int Y => _Y;

    private readonly Point _Point;

    [JsonConstructor]
    public FacePoint(int index, int x, int y)
    {
        _Index = index;
        _X = x;
        _Y = y;
        _Point = new(x, y);
    }

    public FacePoint(Point point, int index) :
        this(index, point.X, point.Y)
    { }

    public override bool Equals(object? obj) => obj is FacePoint point && Equals(point);

    public override string ToString()
    {
        string result = JsonSerializer.Serialize(this, new JsonSerializerOptions() { WriteIndented = true });
        return result;
    }

    public override int GetHashCode()
    {
        int hashCode = 1861411795;
        hashCode = hashCode * -1521134295 + _Point.GetHashCode();
        hashCode = hashCode * -1521134295 + _Index.GetHashCode();
        return hashCode;
    }

    public bool Equals(FacePoint? facePoint)
    {
        return facePoint is not null
            && _X == facePoint.X
            && _Y == facePoint.Y
            && _Index == facePoint.Index;
    }

    public static bool operator ==(FacePoint point1, FacePoint point2) => point1.Equals(point2);

    public static bool operator !=(FacePoint point1, FacePoint point2) => !(point1 == point2);

}