50 lines
2.0 KiB
C#
50 lines
2.0 KiB
C#
namespace AdventOfCode.Core.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; } = [];
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public int Columns => DataGrid.Max(n => n.X) + 1;
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public int Rows => DataGrid.Max(n => n.Y) + 1;
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public Grid() { }
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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 string GetRowAsString(int columnNumber) => string.Concat(DataGrid.Where(n => n.Y == columnNumber).OrderBy(n => n.X).Select(n => n.Char));
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public IEnumerable<T> GetColumn(int columnNumber) => DataGrid.Where(n => n.Y == columnNumber);
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public string GetColumnAsString(int rowNumber) => string.Concat(DataGrid.Where(n => n.X == rowNumber).OrderBy(n => n.Y).Select(n => n.Char));
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public T GetNode(int x, int y) => DataGrid.First(n => n.X == x && n.Y == y);
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public IEnumerable<T> FindWithValue(char toFind) => DataGrid.Where(n => n.Char == toFind);
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public void UpdateNode(T node)
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{
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T gridNode = DataGrid.First(n => n.X == node.X && n.Y == node.Y);
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int nodeLocation = DataGrid.IndexOf(gridNode);
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DataGrid[nodeLocation] = node;
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}
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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 && source.Y == target.Y)
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|| (source.X == target.X && Math.Abs(source.Y - target.Y) <= 1));
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}
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public IEnumerable<T> GetSection(int fromX, int fromY, int toX, int toY)
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{
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return DataGrid.Where(node => node.X >= fromX && node.X <= toX && node.Y >= fromY && node.Y <= toY);
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}
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}
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}
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