modernuo/Projects/Server/Geometry/Point3D.cs

/*************************************************************************
 * ModernUO                                                              *
 * Copyright 2019-2020 - ModernUO Development Team                       *
 * Email: hi@modernuo.com                                                *
 * File: Point3D.cs                                                      *
 *                                                                       *
 * This program is free software: you can redistribute it and/or modify  *
 * it under the terms of the GNU General Public License as published by  *
 * the Free Software Foundation, either version 3 of the License, or     *
 * (at your option) any later version.                                   *
 *                                                                       *
 * You should have received a copy of the GNU General Public License     *
 * along with this program.  If not, see <http://www.gnu.org/licenses/>. *
 *************************************************************************/

using System;

namespace Server
{
    [Parsable]
    public struct Point3D
        : IPoint3D, IComparable<Point3D>, IComparable<IPoint3D>, IEquatable<object>, IEquatable<Point3D>,
            IEquatable<IPoint3D>
    {
        internal int m_X;
        internal int m_Y;
        internal int m_Z;

        public static readonly Point3D Zero = new Point3D(0, 0, 0);

        [CommandProperty(AccessLevel.Counselor)]
        public int X
        {
            get => m_X;
            set => m_X = value;
        }

        [CommandProperty(AccessLevel.Counselor)]
        public int Y
        {
            get => m_Y;
            set => m_Y = value;
        }

        [CommandProperty(AccessLevel.Counselor)]
        public int Z
        {
            get => m_Z;
            set => m_Z = value;
        }

        public Point3D(IPoint3D p) : this(p.X, p.Y, p.Z)
        {
        }

        public Point3D(IPoint2D p, int z) : this(p.X, p.Y, z)
        {
        }

        public Point3D(int x, int y, int z)
        {
            m_X = x;
            m_Y = y;
            m_Z = z;
        }

        public override string ToString() => $"({m_X}, {m_Y}, {m_Z})";

        public bool Equals(Point3D other) => m_X == other.m_X && m_Y == other.m_Y && m_Z == other.m_Z;

        public bool Equals(IPoint3D other) =>
            !ReferenceEquals(other, null) && m_X == other.X && m_Y == other.Y && m_Z == other.Z;

        public override bool Equals(object obj) => obj is Point3D other && Equals(other);

        public override int GetHashCode() => HashCode.Combine(m_X, m_Y, m_Z);

        public static Point3D Parse(string value)
        {
            var start = value.IndexOf('(');
            var end = value.IndexOf(',', start + 1);

            Utility.ToInt32(value.Substring(start + 1, end - (start + 1)).Trim(), out var x);

            start = end;
            end = value.IndexOf(',', start + 1);

            Utility.ToInt32(value.Substring(start + 1, end - (start + 1)).Trim(), out var y);

            start = end;
            end = value.IndexOf(')', start + 1);

            Utility.ToInt32(value.Substring(start + 1, end - (start + 1)).Trim(), out var z);

            return new Point3D(x, y, z);
        }

        public static bool operator ==(Point3D l, Point3D r) => l.m_X == r.m_X && l.m_Y == r.m_Y && l.m_Z == r.m_Z;

        public static bool operator ==(Point3D l, IPoint3D r) =>
            !ReferenceEquals(r, null) && l.m_X == r.X && l.m_Y == r.Y && l.m_Z == r.Z;

        public static bool operator !=(Point3D l, Point3D r) => l.m_X != r.m_X || l.m_Y != r.m_Y || l.m_Z != r.m_Z;

        public static bool operator !=(Point3D l, IPoint3D r) =>
            !ReferenceEquals(r, null) && (l.m_X != r.X || l.m_Y != r.Y || l.m_Z != r.Z);

        public static bool operator >(Point3D l, Point3D r) => l.m_X > r.m_X && l.m_Y > r.m_Y && l.m_Z > r.m_Z;

        public static bool operator >(Point3D l, IPoint3D r) =>
            !ReferenceEquals(r, null) && l.m_X > r.X && l.m_Y > r.Y && l.m_Z > r.Z;

        public static bool operator <(Point3D l, Point3D r) => l.m_X < r.m_X && l.m_Y < r.m_Y && l.m_Z > r.m_Z;

        public static bool operator <(Point3D l, IPoint3D r) =>
            !ReferenceEquals(r, null) && l.m_X < r.X && l.m_Y < r.Y && l.m_Z > r.Z;

        public static bool operator >=(Point3D l, Point3D r) => l.m_X >= r.m_X && l.m_Y >= r.m_Y && l.m_Z > r.m_Z;

        public static bool operator >=(Point3D l, IPoint3D r) =>
            !ReferenceEquals(r, null) && l.m_X >= r.X && l.m_Y >= r.Y && l.m_Z > r.Z;

        public static bool operator <=(Point3D l, Point3D r) => l.m_X <= r.m_X && l.m_Y <= r.m_Y && l.m_Z > r.m_Z;

        public static bool operator <=(Point3D l, IPoint3D r) =>
            !ReferenceEquals(r, null) && l.m_X <= r.X && l.m_Y <= r.Y && l.m_Z > r.Z;

        public int CompareTo(Point3D other)
        {
            var xComparison = m_X.CompareTo(other.m_X);
            if (xComparison != 0)
            {
                return xComparison;
            }

            var yComparison = m_Y.CompareTo(other.m_Y);
            if (yComparison != 0)
            {
                return yComparison;
            }

            return m_Z.CompareTo(other.m_Z);
        }

        public int CompareTo(IPoint3D other)
        {
            var xComparison = m_X.CompareTo(other.X);
            if (xComparison != 0)
            {
                return xComparison;
            }

            var yComparison = m_Y.CompareTo(other.Y);
            if (yComparison != 0)
            {
                return yComparison;
            }

            return m_Z.CompareTo(other.Z);
        }
    }
}