public List <(AbstractField, int, Direction)> GetNeighbours(AbstractField field, AbstractField[][] board, int height, int width)
{
int[] center = field.GetPosition();
List <(AbstractField, int, Direction)> neighbours = new List <(AbstractField, int, Direction)>();
var neighbourCoordinates = DirectionExtensions.GetCoordinatesAroundCenter(center);
for (int i = 0; i < neighbourCoordinates.Length; i++)
{
var(dir, y, x) = neighbourCoordinates[i];
if (y >= 0 && y < height && x >= 0 && x < width)
{
neighbours.Add((board[y][x], int.MaxValue, dir));
}
}
return(neighbours);
}
public int ManhattanDistance(AbstractField f1, AbstractField f2)
{
return(Math.Abs(f1.GetPosition()[0] - f2.GetPosition()[0]) + Math.Abs(f1.GetPosition()[1] - f2.GetPosition()[1]));
}