/// <summary>
/// Creates squarelines accordingly before calculating is done.
/// </summary>
public void CreateSquareLines()
{
// Clearing actions from previous executions.
_squareLines.Clear();
ResetSquareStats();
foreach (Square square in _squares)
{
// Checking if square actually has a player icon on it.
if (square.PlayerNumber != 0)
{
// Checking for three possible cases:
// 1) Square is not calculated horizontally AND square on it's right has the same icon.
if (!square.IsCalculatedHorizontally && square.SamePlayerNumber(square.SquareOnRight))
{
SquareLine line = new SquareLine();
line.Add(square);
square.IsCalculatedHorizontally = true;
Direction direction = Direction.Horizontal;
FinishSquareLine(line, square.SquareOnRight, direction);
_squareLines.Add(line);
square.IsIndividual = false;
}
// 2) Square is not calculated vertically AND square below it has the same icon.
if (!square.IsCalculatedVertically && square.SamePlayerNumber(square.SquareBelow))
{
SquareLine line = new SquareLine();
line.Add(square);
square.IsCalculatedVertically = true;
Direction direction = Direction.Vertical;
FinishSquareLine(line, square.SquareBelow, direction);
_squareLines.Add(line);
square.IsIndividual = false;
}
// 3) Square doesn't have same icon on it's right or below (aka it is "individual").
if (square.IsIndividual)
{
SquareLine line = new SquareLine();
line.Add(square);
_squareLines.Add(line);
}
}
}
}
/// <summary>
/// Finishes one line recursively by collecting all squares
/// that are part of the line.
/// </summary>
/// <param name="line">Squareline that is being operated.</param>
/// <param name="square">Square that is being added to line.</param>
/// <param name="direction">Tells which direction line is moving.</param>
public void FinishSquareLine(SquareLine line, Square square, Direction direction)
{
line.Add(square);
square.IsIndividual = false;
if (direction == Direction.Horizontal)
{
square.IsCalculatedHorizontally = true;
if (square.SamePlayerNumber(square.SquareOnRight))
{
FinishSquareLine(line, square.SquareOnRight, direction);
}
}
else
{
square.IsCalculatedVertically = true;
if (square.SamePlayerNumber(square.SquareBelow))
{
FinishSquareLine(line, square.SquareBelow, direction);
}
}
}
