using UnityEngine;
using System.Collections;
using System.Collections.Generic;

namespace WorldStreamer2
{
    /// <summary>
    /// Int array comparer.
    /// </summary>
    public class IntArrayComparer : IEqualityComparer<int[]>
    {
        /// <summary>
        /// Equals the specified x and y.
        /// </summary>
        /// <param name="x">The x coordinate.</param>
        /// <param name="y">The y coordinate.</param>
        public bool Equals(int[] x, int[] y)
        {
            if (x.Length != y.Length)
            {
                return false;
            }
            for (int i = 0; i < x.Length; i++)
            {
                if (x[i] != y[i])
                {
                    return false;
                }
            }
            return true;
        }

        /// <summary>
        /// Gets the hash code.
        /// </summary>
        /// <returns>The hash code.</returns>
        /// <param name="obj">Object.</param>
        public int GetHashCode(int[] obj)
        {
            int result = 17;
            for (int i = 0; i < obj.Length; i++)
            {
                unchecked
                {
                    result = result * 23 + obj[i];
                }
            }
            return result;
        }
    }
}