/// <summary>
/// Check the board state relative to a piece
/// </summary>
/// <param name="x"></param>
/// <param name="y"></param>
/// <param name="p"></param>
public void CheckBoard(int x, int y, Piece p)
{
this.MoveCount++;
//check end conditions
//check column
for (int i = 0; i < this.Size; i++)
{
if (this.Cells[x, i].Form != p.Form)
break;
if (i == this.Size - 1)
{
this.Winner = p.Form;
}
}
//check row
for (int i = 0; i < this.Size; i++)
{
if (this.Cells[i, y].Form != p.Form)
break;
if (i == this.Size - 1)
{
this.Winner = p.Form;
}
}
//check diagonal
if (x == y)
{
//travel in diagonal
for (int i = 0; i < this.Size; i++)
{
if (this.Cells[i, i].Form != p.Form)
break;
if (i == this.Size - 1)
{
this.Winner = p.Form;
}
}
}
//check anti diagonal
for (int i = 0; i < this.Size; i++)
{
if (Cells[i, (this.Size - 1) - i].Form != p.Form)
break;
if (i == this.Size - 1)
{
this.Winner = p.Form;
}
}
//check draw
if (MoveCount == (this.Size * this.Size - 1))
{
this.Winner = PieceForm.Blank;
}
}
/// <summary>
/// Add the piece to the board at the X and Y position from the piece
/// </summary>
/// <param name="p">Piece</param>
public void Move(int x, int y, Piece p)
{
if (this.Cells[x, y] == null)
this.Cells[x, y] = p;
CheckBoard(x, y, p);
}