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wip: implementing chess

This commit is contained in:
Rudis Muiznieks 2022-04-24 23:08:37 -05:00
parent 94befd04ee
commit 38a2854378
Signed by: rudism
GPG Key ID: CABF2F86EF7884F9
3 changed files with 89 additions and 23 deletions
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87
plugin/chess/__init__.py
View File

@ -3,6 +3,7 @@ from enum import Enum, auto
import time
import re
import itertools
from icecream import ic
from cinput import ControlInput, Button
from graphics import Graphics
from .draw import Draw
@ -11,8 +12,8 @@ from . import sunfish
class GameState(Enum):
MAIN_MENU = auto()
THINKING = auto()
CHOOSE_ROW = auto()
CHOOSE_COL = auto()
CHOOSE_SRC = auto()
CHOOSE_DST = auto()
GAME_OVER = auto()
SAVE_FILE = path.join("data", "chess_state.fen")
@ -33,35 +34,51 @@ def execute(cinput: ControlInput, graphics: Graphics, _):
sunfish.initial, 0, (True,True), (True,True), 0, 0)]
player_color = 'wb'[get_color(hist[-1])]
draw.draw_board(hist[-1].board if player_color == 'w' else hist[-1].rotate().board)
draw.draw_board(hist[-1] if player_color == "w" else hist[-1].rotate(), player_color)
state = GameState.MAIN_MENU
menu_index = 0
move = None
score = None
last_move = "Begin!"
all_moves = dict()
src_idx = 0
dst_idx = 0
src = ""
while True:
key = None
if state == GameState.MAIN_MENU:
draw.draw_menu(menu_index)
key = cinput.get_one_shot()
elif state == GameState.THINKING:
draw.draw_thinking()
draw.draw_thinking(last_move)
start = time.time()
for _, move, score in searcher.search(hist[-1], hist):
if time.time() - start > MAX_THINKING_SECONDS:
break
hist.append(hist[-1].move(move))
draw.draw_board(hist[-1].board if player_color == 'b' else hist[-1].rotate().board)
shift = -119 if player_color == 'b' else 0
last_move = sunfish.render(shift+move[0]) + " -> " + sunfish.render(shift+move[1])
draw.draw_board(hist[-1].rotate(), player_color)
last_move = move_str(move, player_color == "w")
if score == sunfish.MATE_UPPER:
draw.draw_checkmate(last_move, False)
state = GameState.GAME_OVER
else:
draw.draw_rowsel(last_move)
state = GameState.CHOOSE_ROW
all_moves = dict()
state = GameState.CHOOSE_SRC
elif state == GameState.CHOOSE_SRC:
if len(list(all_moves)) == 0:
all_moves = get_all_moves(hist[-1])
src = list(all_moves)[src_idx]
draw.draw_select(last_move, list(all_moves)[src_idx])
key = cinput.get_one_shot()
elif state == GameState.CHOOSE_DST:
src = list(all_moves)[src_idx]
draw.draw_select(last_move, src, all_moves[src][dst_idx])
key = cinput.get_one_shot()
elif state == GameState.GAME_OVER:
key = cinput.get_one_shot()
key = cinput.get_one_shot()
if state == GameState.MAIN_MENU:
if key == Button.DIR_U:
menu_index -= 1
@ -73,7 +90,7 @@ def execute(cinput: ControlInput, graphics: Graphics, _):
menu_index = 3
elif key == Button.BTN_B:
if menu_index == 0:
state = GameState.CHOOSE_ROW
state = GameState.CHOOSE_SRC
elif menu_index == 1:
with open(SAVE_FILE, "w") as fen:
fen.write(renderFEN(hist[-1]))
@ -82,16 +99,58 @@ def execute(cinput: ControlInput, graphics: Graphics, _):
pos = sunfish.Position(
sunfish.initial, 0, (True,True), (True,True), 0, 0)
if menu_index == 3:
player_color = "b"
state = GameState.THINKING
else:
state = GameState.CHOOSE_ROW
player_color = "w"
state = GameState.CHOOSE_SRC
hist = [pos]
draw.draw_board(pos.board)
draw.draw_board(hist[-1], player_color)
elif state == GameState.CHOOSE_SRC:
if key == Button.DIR_D or key == Button.DIR_R:
src_idx += 1
if src_idx >= len(all_moves.keys()):
src_idx = 0
elif key == Button.DIR_U or key == Button.DIR_L:
src_idx -= 1
if src_idx < 0:
src_idx = len(list(all_moves)) - 1
elif key == Button.BTN_A:
state = GameState.MAIN_MENU
elif key == Button.BTN_B:
state = GameState.CHOOSE_DST
elif state == GameState.CHOOSE_DST:
if key == Button.DIR_D or key == Button.DIR_R:
dst_idx += 1
if dst_idx >= len(all_moves[src]):
dst_idx = 0
elif key == Button.DIR_U or key == Button.DIR_L:
dst_idx -= 1
if dst_idx < 0:
dst_idx = len(all_moves[src]) - 1
elif key == Button.BTN_A:
state = GameState.CHOOSE_SRC
elif key == Button.BTN_B:
dst = all_moves[src][dst_idx]
last_move = src + " - " + dst
sfmove = sunfish.parse(src), sunfish.parse(dst)
hist.append(hist[-1].move(sfmove))
draw.draw_board(hist[-1].rotate(), player_color)
state = GameState.THINKING
else:
if key == Button.BTN_A:
state = GameState.MAIN_MENU
def get_all_moves(pos: sunfish.Position):
all_moves = dict()
for src, dst in pos.gen_moves():
all_moves.setdefault(sunfish.render(src), []).append(sunfish.render(dst))
return all_moves
def move_str(move, shift = False):
s = -119 if shift else 0
return sunfish.render(s + move[0]) + " - " + sunfish.render(s + move[1])
def get_color(pos):
return 1 if pos.board.startswith('\n') else 0

23
plugin/chess/draw.py
View File

@ -1,5 +1,6 @@
from icecream import ic
from graphics import Graphics
from .sunfish import Position
class Draw:
BOARD_SIZE = 64
@ -78,10 +79,10 @@ class Draw:
self._graphics.fill_rect(
self.BOARD_SIZE, 0, self.BOARD_SIZE, self.BOARD_SIZE, 0)
def draw_board(self, board: str):
ic(board)
def draw_board(self, pos: Position, player_color: str):
self._graphics.fill_rect(0, 0, self.BOARD_SIZE, self.BOARD_SIZE, 0)
nb = "".join(board.split())
nb = "".join(pos.board.split())
nb = nb[::-1] if player_color == "b" else nb
c = True
for row in range(8):
for col in range(8):
@ -105,10 +106,11 @@ class Draw:
self._graphics.text(marker + self.MENU[i], 12, i + 2, 1)
self._graphics.show()
def draw_thinking(self):
def draw_thinking(self, last_move: str):
self._clear_info()
self._graphics.text("Shh, I'm", 12, 0, 1)
self._graphics.text("thinking!", 12, 1, 1)
self._graphics.text(last_move, 12, 0, 1)
self._graphics.text("Shh, I'm", 12, 2, 1)
self._graphics.text("thinking!", 12, 3, 1)
self._graphics.show()
def draw_checkmate(self, move: str, player_won: bool):
@ -119,7 +121,12 @@ class Draw:
"you win!" if player_won else "you lose!", 12, 2, 1)
self._graphics.show()
def draw_rowsel(self, move: str):
def draw_select(self, last_move: str, src: str, dst = None):
self._clear_info()
self._graphics.text(move, 12, 0, 1)
self._graphics.text(last_move, 12, 0, 1)
self._graphics.text("You move:", 12, 2, 1)
if dst == None:
self._graphics.text("<" + src + "> - __", 12, 3, 1)
else:
self._graphics.text(src + " - <" + dst + ">", 12, 3, 1)
self._graphics.show()

2
plugin/chess/sunfish.py
View File

@ -295,7 +295,7 @@ class Searcher:
# Note, we don't have to check for legality, since we've already done it
# before. Also note that in QS the killer must be a capture, otherwise we
# will be non deterministic.
killer = self.tp_move.get(pos)
killer = selfctp_move.get(pos)
if killer and (depth > 0 or pos.value(killer) >= QS_LIMIT):
yield killer, -self.bound(pos.move(killer), 1-gamma, depth-1, root=False)
# Then all the other moves