public override List<Point> GetNextMoves(ChessBoard board)
{
var list = new List<Point>();
//nước lên bên phải
if (_point == new Point(3, 0) || _point == new Point(3, 7) || _point.X == 4)
{
if (board.CheckPoint(_point.X + 1, _point.Y + 1) * _id <= 0) list.Add(new Point(_point.X + 1, _point.Y + 1));
}
//nước lên bên trái
if (_point == new Point(5, 0) || _point.X == 4 || _point == new Point(5, 7))
{
if (board.CheckPoint(_point.X - 1, _point.Y + 1) * _id <= 0) list.Add(new Point(_point.X - 1, _point.Y + 1));
}
//nước xuống bên phải
if (_point.X == 4 || _point == new Point(3, 2) || _point == new Point(3, 9))
{
if (board.CheckPoint(_point.X + 1, _point.Y - 1) * _id <= 0) list.Add(new Point(_point.X + 1, _point.Y - 1));
}
//nước xuống bên trái
if (_point.X == 4 || _point == new Point(5, 2) || _point == new Point(5, 9))
{
if (board.CheckPoint(_point.X - 1, _point.Y - 1) * _id <= 0) list.Add(new Point(_point.X - 1, _point.Y - 1));
}
return list;
}
public override List<Point> GetNextMoves(ChessBoard board)
{
var list = new List<Point>();
if (_point.Y == 2 || _point.Y == 7)
{
if (_point.X != 8)
{
if (board.CheckPoint(_point.X + 1, _point.Y + 1) == 0 && (board.CheckPoint(_point.X + 2, _point.Y + 2) * _id) <= 0)
list.Add(new Point(_point.X + 2, _point.Y + 2));
if (board.MatrixPosition[_point.X + 1, _point.Y - 1] == 0 && (board.MatrixPosition[_point.X + 2, _point.Y - 2] * _id) <= 0)
list.Add(new Point(_point.X + 2, _point.Y - 2));
}
if (_point.X != 0)
{
if (board.MatrixPosition[_point.X - 1, _point.Y + 1] == 0 && (board.MatrixPosition[_point.X - 2, _point.Y + 2]*_id) <= 0)
list.Add(new Point(_point.X - 2, _point.Y + 2));
if (board.MatrixPosition[_point.X - 1, _point.Y - 1] == 0 && (board.MatrixPosition[_point.X - 2, _point.Y - 2] * _id) <= 0)
list.Add(new Point(_point.X - 2, _point.Y - 2));
}
}
else if (_point.Y == 0 || _point.Y == 5)
{
if (board.MatrixPosition[_point.X - 1, _point.Y + 1] == 0 && (board.MatrixPosition[_point.X - 2, _point.Y + 2] * _id) <= 0)
list.Add(new Point(_point.X - 2, _point.Y + 2));
if (board.MatrixPosition[_point.X + 1, _point.Y + 1] == 0 && (board.MatrixPosition[_point.X + 2, _point.Y + 2] * _id) <= 0)
list.Add(new Point(_point.X + 2, _point.Y + 2));
}
else if (_point.Y == 4 || _point.Y == 9)
{
if (board.MatrixPosition[_point.X + 1, _point.Y - 1] == 0 && (board.MatrixPosition[_point.X + 2, _point.Y - 2] * _id) <= 0)
list.Add(new Point(_point.X + 2, _point.Y - 2));
if (board.MatrixPosition[_point.X - 1, _point.Y - 1] == 0 && (board.MatrixPosition[_point.X - 2, _point.Y - 2] * _id) <= 0)
list.Add(new Point(_point.X - 2, _point.Y - 2));
}
return list;
}
/// <summary>
/// Lấy nước đi kế tiếp
/// </summary>
/// <param name="board">bàn cờ</param>
/// <returns>danh sách vị trí</returns>
public override List<Point> GetNextMoves(ChessBoard board)
{
List<Point> list = new List<Point>();
//id dương âm xác định hướng tấn công, khởi tạo những quân id > 0 ở trên, < 0 ở dưới
//xác định tốt không được đi lùi
if (_id > 0)
{
//con tốt nào cũng có nước đi tiến 1 nước trừ _point.Y = 9
if (_point.Y < 9)
{
if (board.CheckPoint(_point.X, _point.Y + 1) <= 0)
{
list.Add(new Point(_point.X, _point.Y + 1));
}
}
//xác định nước đi ngang khi qua sông
if (_point.Y >= 5)
{
//vị trí trừ x = 8(sát mép phải) thì có thể đi ngang sang phải
if (_point.X < 8)
{
if (board.MatrixPosition[_point.X + 1, _point.Y] <= 0)
{
list.Add(new Point(_point.X + 1, _point.Y));
}
}
//các vị trí trừ sát mép trái đều có thể đi ngang sang trái
if (_point.X > 0)
{
if (board.MatrixPosition[_point.X - 1, _point.Y] <= 0)
{
list.Add(new Point(_point.X - 1, _point.Y));
}
}
}
}
//tương tự với id < 0
else
{
//nước đi tiến với quân có id < 0 là 1 nước giảm tọa độ Y đi 1
if (_point.Y > 0)
{
if (board.CheckPoint(_point.X, _point.Y - 1) >= 0)
{
list.Add(new Point(_point.X, _point.Y - 1));
}
}
//sang sông
if (_point.Y < 5)
{
//nước đi ngang bên phải
if (_point.X < 8)
{
if (board.MatrixPosition[_point.X + 1, _point.Y] >= 0)
{
list.Add(new Point(_point.X + 1, _point.Y));
}
}
//nước đi ngang bên trái
if (_point.X > 0)
{
if (board.MatrixPosition[_point.X - 1, _point.Y] >= 0)
{
list.Add(new Point(_point.X - 1, _point.Y));
}
}
}
}
return list;
}
public override List<Point> GetNextMoves(ChessBoard board)
{
var list = new List<Point>();
//quân có id dương
if (_id > 0)
{
//nước tiến 2
if (_point.Y <= 7)
{
if (_point.X > 0)
{
if (board.MatrixPosition[_point.X - 1, _point.Y + 2] <= 0 && board.MatrixPosition[_point.X, _point.Y + 1] == 0)
list.Add(new Point(_point.X - 1, _point.Y + 2));
}
if (_point.X < 8)
{
if (board.MatrixPosition[_point.X + 1, _point.Y + 2] <= 0 && board.MatrixPosition[_point.X, _point.Y + 1] == 0)
list.Add(new Point(_point.X + 1, _point.Y + 2));
}
}
//nước tiến 1
if (_point.Y <= 8)
{
if (_point.X > 1)
{
if (board.MatrixPosition[_point.X - 2, _point.Y + 1] <= 0 && board.MatrixPosition[_point.X - 1, _point.Y] == 0)
list.Add(new Point(_point.X - 2, _point.Y + 1));
}
if (_point.X < 7)
{
if (board.MatrixPosition[_point.X + 2, _point.Y + 1] <= 0 && board.MatrixPosition[_point.X + 1, _point.Y] == 0)
list.Add(new Point(_point.X + 2, _point.Y + 1));
}
}
//nước lùi 1
if (_point.Y >= 1)
{
if (_point.X > 1)
{
if (board.MatrixPosition[_point.X - 2, _point.Y - 1] <= 0 && board.MatrixPosition[_point.X - 1, _point.Y] == 0)
list.Add(new Point(_point.X - 2, _point.Y - 1));
}
if (_point.X < 7)
{
if (board.MatrixPosition[_point.X + 2, _point.Y - 1] <= 0 && board.MatrixPosition[_point.X + 1, _point.Y] == 0)
list.Add(new Point(_point.X + 2, _point.Y - 1));
}
}
//nước lùi 2
if (_point.Y >= 2)
{
if (_point.X > 0)
{
if (board.MatrixPosition[_point.X - 1, _point.Y - 2] <= 0 && board.MatrixPosition[_point.X, _point.Y - 1] == 0)
list.Add(new Point(_point.X - 1, _point.Y - 2));
}
if (_point.X < 8)
{
if (board.MatrixPosition[_point.X + 1, _point.Y - 2] <= 0 && board.MatrixPosition[_point.X, _point.Y - 1] == 0)
list.Add(new Point(_point.X + 1, _point.Y - 2));
}
}
}
//tương tự
else
{
if (_point.Y <= 7)
{
if (_point.X > 0)
{
if (board.CheckPoint(_point.X - 1, _point.Y + 2) >= 0 && board.CheckPoint(_point.X, _point.Y + 1) == 0)
list.Add(new Point(_point.X - 1, _point.Y + 2));
}
if (_point.X < 8)
{
if (board.CheckPoint(_point.X + 1, _point.Y + 2) >= 0 && board.CheckPoint(_point.X, _point.Y + 1) == 0)
list.Add(new Point(_point.X + 1, _point.Y + 2));
}
}
if (_point.Y <= 8)
{
if (_point.X > 1)
{
if (board.CheckPoint(_point.X - 2, _point.Y + 1) >= 0 && board.CheckPoint(_point.X - 1, _point.Y) == 0)
list.Add(new Point(_point.X - 2, _point.Y + 1));
}
if (_point.X < 7)
{
if (board.CheckPoint(_point.X + 2, _point.Y + 1) >= 0 && board.CheckPoint(_point.X + 1, _point.Y) == 0)
list.Add(new Point(_point.X + 2, _point.Y + 1));
}
}
if (_point.Y >= 1)
{
if (_point.X > 1)
{
if (board.CheckPoint(_point.X - 2, _point.Y - 1) >= 0 && board.CheckPoint(_point.X - 1, _point.Y) == 0)
list.Add(new Point(_point.X - 2, _point.Y - 1));
}
if (_point.X <= 6)
{
if (board.CheckPoint(_point.X + 2, _point.Y - 1) >= 0 && board.CheckPoint(_point.X + 1, _point.Y) == 0)
list.Add(new Point(_point.X + 2, _point.Y - 1));
}
}
if (_point.Y >= 2)
{
if (_point.X > 0)
{
if (board.CheckPoint(_point.X - 1, _point.Y - 2) >= 0 && board.CheckPoint(_point.X, _point.Y - 1) == 0)
list.Add(new Point(_point.X - 1, _point.Y - 2));
}
if (_point.X < 8)
{
if (board.CheckPoint(_point.X + 1, _point.Y - 2) >= 0 && board.CheckPoint(_point.X, _point.Y - 1) == 0)
list.Add(new Point(_point.X + 1, _point.Y - 2));
}
}
}
return list;
}
public override List<Point> GetNextMoves(ChessBoard board)
{
var list = new List<Point>();
if (_id > 0)
{
//có thêm 1 nước đi bên phải nếu x < 5
if (_point.X < 5)
{
if (board.CheckPoint(_point.X + 1, _point.Y) <= 0) list.Add(new Point(_point.X + 1, _point.Y));
}
//có thêm 1 nước đi bên trái nếu x > 3
if (_point.X > 3)
{
if (board.CheckPoint(_point.X - 1, _point.Y) <= 0)
list.Add(new Point(_point.X - 1, _point.Y));
}
if (_point.Y > 0)
{
if (board.CheckPoint(_point.X, _point.Y - 1) <= 0)
list.Add(new Point(_point.X, _point.Y - 1));
}
if (_point.Y < 2)
{
if (board.CheckPoint(_point.X, _point.Y + 1) <= 0)
list.Add(new Point(_point.X, _point.Y + 1));
}
}
else
{
//có thêm 1 nước đi bên phải nếu x < 5
if (_point.X < 5)
{
if (board.CheckPoint(_point.X + 1, _point.Y) >= 0) list.Add(new Point(_point.X + 1, _point.Y));
}
//có thêm 1 nước đi bên trái nếu x > 3
if (_point.X > 3)
{
if (board.CheckPoint(_point.X - 1, _point.Y) >= 0)
list.Add(new Point(_point.X - 1, _point.Y));
}
//nước lùi
if (_point.Y > 0 || _point.Y > 7 )
{
if (board.CheckPoint(_point.X, _point.Y - 1) >= 0)
list.Add(new Point(_point.X, _point.Y - 1));
}
//nước tiến
if (_point.Y < 2 || _point.Y < 9)
{
if (board.CheckPoint(_point.X, _point.Y + 1) >= 0)
list.Add(new Point(_point.X, _point.Y + 1));
}
}
return list;
}