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import streamlit as st
import numpy as np
from objects_9x9 import Player, HumanPlayer
# Create RL bot player and human player
p1 = Player("9x9_p1")
human_player = HumanPlayer("p2")
def handle_click(i, j):
if (i, j) not in check_available_moves(extra=True):
st.session_state.warning = True
elif not st.session_state.winner:
st.session_state.warning = False
st.session_state.board[i, j] = st.session_state.player
winner = check_win(st.session_state.board)
if winner:
st.session_state.winner = winner
if st.session_state.opponent == 'Computer':
# Give reward to the RL bot and update its policy
if winner == 'X':
p1.feedReward(1)
elif winner == 'O':
p1.feedReward(0)
else:
p1.feedReward(0.1)
# Save the RL bot's policy
p1.savePolicy()
# Toggle the player's turn
st.session_state.player = "O" if st.session_state.player == "X" else "X"
def init(post_init=False):
if not post_init:
st.session_state.win = {'X': 0, 'O': 0}
st.session_state.opponent = 'Computer' # Initialize the opponent attribute
st.session_state.board = np.full((9, 9), '.', dtype=str)
st.session_state.player = 'X'
st.session_state.warning = False
st.session_state.winner = None
st.session_state.over = False
def check_available_moves(extra=False) -> list:
raw_moves = [row for col in st.session_state.board.tolist() for row in col]
num_moves = [i for i, spot in enumerate(raw_moves) if spot == '.']
if extra:
return [(i // 9, i % 9) for i in num_moves]
return num_moves
def check_win(board):
# Check for a winner by checking rows, columns, and diagonals for three linked points
for i in range(9):
for j in range(9):
if board[i, j] != '.':
symbol = board[i, j]
# Check horizontally
if j + 2 < 9 and board[i, j + 1] == board[i, j + 2] == symbol:
return symbol
# Check vertically
if i + 2 < 9 and board[i + 1, j] == board[i + 2, j] == symbol:
return symbol
# Check diagonally (top-left to bottom-right)
if i + 2 < 9 and j + 2 < 9 and board[i + 1, j + 1] == board[i + 2, j + 2] == symbol:
return symbol
# Check diagonally (top-right to bottom-left)
if i + 2 < 9 and j - 2 >= 0 and board[i + 1, j - 1] == board[i + 2, j - 2] == symbol:
return symbol
return None
def computer_player():
moves = check_available_moves(extra=True)
if moves:
# Use p1 to choose the action
positions = check_available_moves(extra=True)
p1_action = p1.chooseAction(positions, st.session_state.board, -1)
# Check if the chosen action is valid and make the move
if p1_action in moves:
i, j = p1_action
handle_click(i, j)
def main():
st.write(
"""
# ❎🅾️ Tic Tac Toe (9x9)
"""
)
if "board" not in st.session_state:
init()
reset, score, player = st.columns([0.5, 0.6, 1])
reset.button('New game', on_click=init, args=(True,))
for i, row in enumerate(st.session_state.board):
cols = st.columns([5] + [1] * 9 + [5])
for j, field in enumerate(row):
if st.session_state.player == 'X' and not st.session_state.winner:
# Only allow human player to make a move if it's their turn and the game is not over
cols[j + 1].button(
field,
key=f"{i}-{j}",
on_click=lambda i=i, j=j: handle_click(i, j) # Use lambda to pass arguments
)
else:
# If it's not the human player's turn or the game is over, let the bot play
computer_player()
if st.session_state.winner:
st.success(f"Congrats! {st.session_state.winner} won the game! 🎈")
elif not check_available_moves():
st.info(f"It's a tie 📍")
score.button(f'❌{st.session_state.win["X"]} 🆚 {st.session_state.win["O"]}⭕')
player.button(
f'{"❌" if st.session_state.player == "X" else "⭕"}\'s turn'
if not st.session_state.winner
else f'🏁 Game finished'
)
if __name__ == '__main__':
main()
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