PIbd-14_Pruidze_I.K_Simple_Cruiser/ProjectCruiser/DrawningSamples/DrawningShipEqutables.cs

using System.Diagnostics.CodeAnalysis;
using ProjectCruiser.Entities;

namespace ProjectCruiser.DrawningSamples;

// Реализация сравнения двух объектов класса-прорисовки
public class DrawiningShipEqutables : IEqualityComparer<DrawningBase?>
{
    public bool Equals(DrawningBase? x, DrawningBase? y)
    {
        if (x == null || x.EntityTransport == null) return false;
        if (y == null || y.EntityTransport == null) return false;
        if (x.GetType().Name != y.GetType().Name) return false;

        if (x.EntityTransport.Speed != y.EntityTransport.Speed) return false;
        if (x.EntityTransport.Weight != y.EntityTransport.Weight) return false;
        if (x.EntityTransport.MainColor != y.EntityTransport.MainColor) return false;

        if (x is DrawningCruiser && y is DrawningCruiser)
        {
            /*  public Color AdditionalColor { get; private set; } // доп. цвет
                // признаки (наличия)
                public bool HelicopterPads { get; private set; } // вертолетная площадка
                public bool Hangars { get; private set; } // ангар */

            EntityCruiser EntityX = (EntityCruiser)x.EntityTransport;
            EntityCruiser EntityY = (EntityCruiser)y.EntityTransport;

            if (EntityX.AdditionalColor != EntityY.AdditionalColor)
                return false;

            if (EntityX.Hangars != EntityY.Hangars)
                return false;

            if (EntityX.HelicopterPads != EntityY.HelicopterPads)
                return false;
        }
        return true;
    }
    public int GetHashCode([DisallowNull] DrawningBase obj)
    {
        return obj.GetHashCode();
    }
}