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engine.py
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engine.py
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import sys
from timeit import default_timer as timer
import pygame
from board import create_board, print_board, is_valid_location, drop_piece, winning_move
from display import Display
class GameEngine:
def __init__(self, player1_colour, player2_colour):
self.player1_colour = player1_colour
self.player2_colour = player2_colour
self.player1 = None
self.player2 = None
self.board = create_board()
print_board(self.board)
self.clock = pygame.time.Clock()
def init_display(self):
pygame.init()
pygame.display.set_caption("Connect 4")
self.display = Display(self.player1_colour, self.player2_colour)
self.display.draw_board(self.board)
def start_game(self, player1, player2):
self.player1 = player1
self.player2 = player2
self.current_player = self.player1
print(f"Player 1 is {player1}")
print(f"Player 2 is {player2}")
# TODO: Don't start loop until ready
def main_loop(self):
game_over = False
while not game_over:
column_to_play, elapsed = self.get_timed_move()
print(f"{self.current_player.name}'s turn took {elapsed}s")
game_over = self.draw_move_and_check_win(column_to_play, self.current_player)
self.display.capture_screen(self.board)
pygame.display.flip()
# pygame.time.wait(1000)
if not game_over:
self.toggle_player()
# self.clock.tick(1)
if game_over:
self.display.draw_winner(self.current_player.piece_id)
pygame.display.flip()
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT or (event.type == pygame.KEYDOWN and event.key == pygame.K_ESCAPE):
sys.exit()
def get_timed_move(self):
start = timer()
column_to_play = self.current_player.agent.get_move(self.board)
elapsed = timer() - start
return column_to_play, elapsed
def draw_move_and_check_win(self, column_to_play, player):
game_over = False
if is_valid_location(self.board, column_to_play):
drop_piece(self.board, column_to_play, player.piece_id)
print_board(self.board)
four_in_a_row = winning_move(self.board, player.piece_id)
self.display.draw_board(self.board, four_in_a_row)
if four_in_a_row:
print(f"{player.name} ({player.colour_name}) has won!")
game_over = True
else:
print(f"Ignoring invalid column {column_to_play}")
return game_over
def toggle_player(self):
self.current_player = self.player2 if (self.current_player == self.player1) else self.player1
print(f"Now it's {self.current_player.name}'s turn")