using System;
using UnityEngine;

namespace SUISSEngine
{
	[Serializable]
	public struct GridIndex
	{
		public GridIndex(int u, int v)
		{
			this.u = u;
			this.v = v;
		}

		public GridIndex(GridPoint point)
		{
			this.u = Mathf.RoundToInt(point.u);
			this.v = Mathf.RoundToInt(point.v);
		}

		public static GridIndex invalid
		{
			get
			{
				return new GridIndex(-1, -1);
			}
		}

		public bool isInvalid
		{
			get
			{
				return this.u < 0 || this.v < 0;
			}
		}

		public override string ToString()
		{
			return string.Format("({0},{1})", this.u, this.v);
		}

		public override int GetHashCode()
		{
			return this.u + 1000 * this.v;
		}

		public override bool Equals(object obj)
		{
			if (obj is GridIndex)
			{
				GridIndex gridIndex = (GridIndex)obj;
				return gridIndex.u == this.u && gridIndex.v == this.v;
			}
			return base.Equals(obj);
		}

		public int u;

		public int v;
	}
}