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gameplay.py
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gameplay.py
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"""
Module with basic game flow functions.
"""
from bot_logic.bot import *
from time import time
def play_player(game, hash_map, game_tree, player, row=None, column=None, start=None):
"""
Helper function for determining a player's move.
:param game: Game instance.
:type game: Game
:param hash_map: Hash map.
:type hash_map: data_structures.HashMap.HashMap
:param game_tree: Game tree.
:type game_tree: data_structures.GameTree.Tree
:param player: Current player.
:type player: tuple[int, int, int]
:param row: Chosen row (for the black player).
:type row: int or NoneType
:param column: Chosen column (for the black player).
:type column: int or NoneType
:param start: Start time of the move.
:type start: float or NoneType
:return: End time of the move and whether the move was successful.
:rtype: tuple[float, bool]
"""
if player == WHITE:
row, col, depth = bot_play(game.board, hash_map, game_tree.current)
elapsed_time = time() - start
moved = game.play(row, col, depth, elapsed_time)
else:
moved = game.play(row, column)
if moved:
for current_child in game_tree.current.children:
if game.board == current_child.data:
game_tree.current = current_child
break
else:
new_node = TreeNode(deepcopy(game.board))
game_tree.current.add_child(new_node)
game_tree.current = new_node
return time(), moved
def play_console(game, hash_map, game_tree):
"""
Main function for playing in console mode.
:param game: Game instance.
:type game: Game
:param hash_map: Hash map.
:type hash_map: HashMap
:param game_tree: Game tree.
:type game_tree: Tree
"""
start = time()
while game.game_on():
if game.turn == BLACK:
moves = game.board.legal_moves
print()
for move in moves:
print(moves.index(move), "->", move, end="\t\t")
my_move = -1
while my_move not in range(len(moves)):
try:
my_move = int(input("\nInput one of the moves above: "))
except Exception:
continue
row, column = moves[my_move]
start, moved = play_player(game, hash_map, game_tree, BLACK, row, column, None)
if game.turn == WHITE:
play_player(game, hash_map, game_tree, WHITE, None, None, start)
winner = game.winner()
if winner != "TIE":
print(f"Game over! {winner} WON!")
else:
print("Game over! TIE!")
def play_gui(game, hash_map, window, fps, font, game_tree):
"""
Main function for playing in GUI mode.
:param game: Game instance.
:type game: Game
:param hash_map: Hash map.
:type hash_map: data_structures.HashMap.HashMap
:param window: Window in which the game is displayed.
:type window: pygame.Surface
:param fps: Frames per second.
:type fps: int
:param font: Text font in the window.
:type font: pygame.font.Font
:param game_tree: Game tree.
:type game_tree: Tree
"""
clock = pygame.time.Clock()
start = time()
run = True
text, textbox = nortifications(window, font)
winner = None
game.update()
while run:
clock.tick(fps)
window.blit(text, textbox)
for event in pygame.event.get():
if event.type == pygame.QUIT:
run = False
if event.type == pygame.MOUSEBUTTONDOWN:
if game.turn == BLACK:
position = pygame.mouse.get_pos()
row, column = mouse_action(position)
end, moved = play_player(game, hash_map, game_tree, BLACK, row, column, None)
if moved:
elapsed_time = end - start
text, textbox = nortifications(window, font, game.black, game.white, "black", elapsed_time)
game.update()
window.blit(text, textbox)
winner = game.winner()
if winner is not None:
if winner == "TIE":
winner_text = " TIE! "
else:
winner_text = f"{winner} won!"
window.blit(font.render(f" "
f"Black: {game.black} "
f"White: {game.white} "
f"Game over! "
f"{winner_text} ", True, BLACK, WHITE), textbox)
pygame.display.update()
if game.turn == WHITE:
start = time()
end, moved = play_player(game, hash_map, game_tree, WHITE, None, None, start)
if moved:
elapsed_time = end - start
text, textbox = nortifications(window, font, game.black, game.white, "white", elapsed_time)
game.update()
window.blit(text, textbox)
start = end
pygame.display.update()
print(f"{winner} WON!")
pygame.quit()
def main_gui(mode, game, hash_map, window, game_tree):
"""
Initialization of parameters needed for GUI mode.
:param mode: Mode.
:type mode: int
:param game: Game instance.
:type game: Game
:param hash_map: Hash map.
:type hash_map: data_structures.HashMap.HashMap
:param window: Window in which the game is displayed.
:type window: pygame.Surface
:param game_tree: Game tree.
:type game_tree: Tree
"""
if mode == 2:
pygame.init()
FPS = 60
pygame.display.set_caption("Othello")
font = pygame.font.Font('freesansbold.ttf', 15)
play_gui(game, hash_map, window, FPS, font, game_tree)
def nortifications(window, font=None, black=2, white=2, last_played="", elapsed_time=0.00):
"""
Helper function for displaying notifications in GUI mode.
:param window: Window in which the game is displayed.
:type window: pygame.Surface
:param font: Text font in the window.
:type font: pygame.font.Font
:param black: Number of black pieces on the board.
:type black: int
:param white: Number of white pieces on the board.
:type white: int
:param last_played: Player who just made a move.
:type last_played: str
:param elapsed_time: Duration of the last played move.
:type elapsed_time: float
:return: Text and text box area to be displayed in the window.
:rtype: tuple[pygame.Surface, pygame.Rect]
"""
pygame.draw.rect(window, WHITE, pygame.Rect(0, 700, 700, 30))
text = font.render(f' '
f'Black: {black} '
f'White: {white} '
f'Elapsed time for the last {last_played} move: {elapsed_time: .2f} s ',
True, BLACK, WHITE)
textbox = text.get_rect()
textbox.center = (700 // 2, 715)
return text, textbox
def mouse_action(position):
"""
Helper function for calculating the selected field's coordinates in GUI mode based on mouse action.
:param position: Coordinates recorded during mouse action.
:type position: tuple[int, int]
:return: Row and column of the selected field on the board.
:rtype: tuple[int, int]
"""
x, y = position
row = y // SQUARE_SIZE
column = x // SQUARE_SIZE
return row, column