stack.48289512.cs

// How could I map my area from a Tile[,] to a int[,], where only the height is saved?

void Main()
{
	var area = new Tile[7, 10];

	var rows = area.GetLength(0);
	var columns = area.GetLength(1);
	var random = new Random();

	for (var i = 0; i < rows; i++)
	{
		for (var j = 0; j < columns; j++)
		{
			area[i, j] = new Tile
			{
				Height = i + j,
				Terrain = random.Next(1, rows *  columns),
			};
		}
	}

	area.Select(p => p.Height).Dump();
}


public class Tile
{
	public int Height;
	public int Terrain;
}

public static class Extensions
{
	public static TOutput[,] Select<TInput, TOutput>(this TInput[,] instance, Func<TInput, TOutput> mapper)
	{
		var rows = instance.GetLength(0);
		var columns = instance.GetLength(1);
		var result = new TOutput[rows, columns];
		
		for (int i = 0; i < rows; i++)
		{
			for (int j = 0; j < columns; j++)
			{
				var item = instance[i, j];
				result[i, j] = mapper(item);
			}
		}
		
		return result;
	}
}