31 lines
984 B
C#
31 lines
984 B
C#
using System.Collections.Generic;
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namespace AdventOfCodeLibrary.Shared
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{
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public class Grid<T> where T : Node
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{
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public List<T> DataGrid { get; set; } = new List<T>();
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public Grid(T[] data) => DataGrid.AddRange(data);
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public Grid(IEnumerable<T> data) : this(data.ToArray()) { }
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public IEnumerable<T> GetRow(int rowNumber) => DataGrid.Where(n => n.X == rowNumber);
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public IEnumerable<T> GetColumn(int columnNumber) => DataGrid.Where(n => n.Y == columnNumber);
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public IEnumerable<T> GetNeighbors(T source, bool allowDiagonals = true)
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{
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IEnumerable <T> neighbors = DataGrid.Where(target => Math.Abs(source.X - target.X) <= 1 || Math.Abs(source.Y - target.Y) <= 1);
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if (allowDiagonals)
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{
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return neighbors;
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}
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return neighbors.Where(target => !(Math.Abs(source.X - target.X) <= 1 && Math.Abs(source.Y - target.Y) <= 1));
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}
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}
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}
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