/// <summary>
/// Checks if there are pieces in the way before moving
/// </summary>
/// <param name="square">The Square that the Piece is moving to</param>
/// <returns>True if there are no other pieces in the way</returns>
public bool PathIsClear(Square square)
{
if (this is Knight)
{
return(true);
}
Square current = Space;
int xDir = Board.colLabels.IndexOf(square.ColumnLabel) - Board.colLabels.IndexOf(current.ColumnLabel);
int yDir = square.RowNumber - current.RowNumber;
while (!current.Equals(square))
{
if (xDir != 0 && yDir == 0) //Moving on just x axis
{
if (xDir > 0) // moving right
{
current = current.RightOf();
}
else //moving left
{
current = current.LeftOf();
}
}
else if (xDir == 0 && yDir != 0) //Moving on just y axis
{
if (yDir > 0) //moving up
{
current = current.TopOf();
}
else //moving down
{
current = current.BottomOf();
}
}
else //Diagonal
{
if (yDir > 0) //moving up
{
if (xDir > 0) //moving right
{
current = current.TopRightOf();
}
else //moving left
{
current = current.TopLeftOf();
}
}
else //moving down
{
if (xDir > 0) //moving right
{
current = current.BottomRightOf();
}
else //moving left
{
current = current.BottomLeftOf();
}
}
}
if (!current.Equals(square) && current.Piece != null)
{
return(false);
}
}
return(true);
}