/// <summary>
/// Determines the board links and neighbors.
/// Each board piece will have the reference to its direct neighbor (Top, TopRight, Right, etc.) or null for border pieces.
/// Also, each board piece will have the reference to its logical linked neighbor (TopLink, TopRightLink, etc.) or null if they don't have
/// any link in a certain direction.
/// The logical links are mostly used for the logic behind the tiles gravity system.
/// For example when dealing with empty board pieces, the piece above the empty slot will have logical link to the non-empty-piece below the empty slot.
/// Thus it will fall through the empty pieces.
/// </summary>
public void DetermineBoardLinksAndNeighbors()
{
// Auto-determine board pieces neighbors. (only for pieces that have the "autoDetermineNeighbors" flag set)
Board.ApplyActionToAll((boardPiece) =>
{
Match3BoardPiece match3Piece = boardPiece as Match3BoardPiece;
match3Piece.UpdateNeighbors();
if (match3Piece.autoDetermineLinks)
{
match3Piece.UpdateLinks();
}
});
if (OnDetermineBoardLinksAndNeighbors != null)
{
OnDetermineBoardLinksAndNeighbors();
}
}
