GameState.py

from typing import NamedTuple
from numpy import ndarray

class GameState(NamedTuple):
    """
    board_status: int[][]
        For each element, if its absolute element is four, then
        the square has been taken by a player. If element's sign
        is negative, then it has been taken by player 1. Otherwise,
        it has been taken by player 2.
        Access: board_status[y, x]

    row_status: int[][]
        Represent the horizontal line mark status: 1 for marked, 0 for not.
        Access: row_status[y, x]

    col_status: int[][]
        Represent the vertical line mark status: 1 for marked, 0 for not.
        Access: col_status[y, x]
        
    player1_turn: bool
        True if it is player 1 turn, False for player 2.
    """

    board_status: ndarray
    row_status: ndarray
    col_status: ndarray
    player1_turn: bool