def cpu_move():
global board, decision, last, first, current, moving, cpucaptured
if moving: return
if first:
first = False
decision = ai.decide(board, cpu)
cpucaptured = logic.captured(board, decision[1], decision[2][0])
board.remove(cpucaptured)
board.move(decision[1], decision[2][0][0])
last = decision[2][0][0]
grid.move(decision[1], decision[2][0][0])
moving = True
else:
grid.remove(cpucaptured)
chain = decision[2]
del chain[0]
if chain:
cpucaptured = logic.captured(board, last, chain[0])
board.remove(cpucaptured)
board.move(last, chain[0][0])
grid.move(last, chain[0][0])
last = chain[0][0]
moving = True
else:
first = True
current = player
board.children = ai.successors(board, player)
def move():
global captured, chains, lastpos, resolving, board, choice, grid, chaining
if captured:
# ambiguity needs to be resolved first
add_ring(itertools.chain.from_iterable([c[0] for c in captured]))
resolving = True
else:
# make the move on the board and remove captured pieces
cap = logic.captured(board, lastpos, chains[0][0])
board.remove(cap)
grid.remove(cap)
board.move(lastpos, chains[0][0][0])
lastpos = chains[0][0][0]
# advance in the chains
for i in range(len(chains)):
del chains[i][0]
newchains = []
for chain in chains:
if chain:
newchains.append(chain)
chains = newchains
if chains:
# continue chaining
chaining = True
add_ring([lastpos])
add_glow(set([chain[0][0] for chain in chains]))
choice = True
else:
end_turn()
def player_move(sel):
global moving, chains, captured, lastpos, board, choice, grid, resolving, chaining
if moving: return
if resolving and sel in itertools.chain.from_iterable([c[0] for c in captured]):
# resolved
for cap in captured:
if sel in cap[0]:
resolving = False
for i, chain in enumerate(chains):
if chain[0] != cap[1]:
del chains[i]
break
captured = []
move()
return
if choice:
if sel in [chain[0][0] for chain in chains]:
# choosing where to advance
choice = False
rgroup.empty()
ggroup.empty()
grid.move(lastpos, sel)
chains = [c for c in chains if c[0][0] == sel]
# find if move is ambiguous
first = [c[0] for c in chains]
if any(tup[1] == A for tup in first) and any(tup[1] == W for tup in first):
captured.append((logic.captured(board, lastpos, (sel, A)),(sel,A)))
captured.append((logic.captured(board, lastpos, (sel, W)),(sel,W)))
return
elif not chaining:
lastpos = None
choice = False
if not lastpos and sel and sel in board.colored(player):
# first selection
chains = [x[2] for x in board.children if x[1] == sel]
add_ring([sel])
add_glow(set([chain[0][0] for chain in chains]))
if chains:
choice = True
lastpos = sel
return
def successors(board, color):
if board.children:
return board.children
stack = []
children = []
for pos in board.colored(color):
if pos not in board.moves:
continue
start = pos
chain = []
tuples = []
b = board.copy()
tuples = board.moves[pos]
while tuples:
for move in tuples:
cb = b.copy()
newpos = move[0]
cb.remove(logic.captured(cb, pos, move))
cb.move(pos, newpos)
if move[1] != P:
tups = logic.refine(cb, newpos, cb.adjacent(newpos), [((start), 0)] + chain)
else:
tups = []
chain.append(move)
stack.append((cb.copy(), newpos, chain[:], tups[:]))
del chain[-1]
b, pos, chain, tuples = stack[-1]
del stack[-1]
while not tuples:
children.append((b, start, chain))
try:
b, pos, chain, tuples = stack[-1]
del stack[-1]
except IndexError:
break
return children
