def next_move_AI(state, mill):
g.STARTTIME = time()
depth = 4
if h.getNumberOfPlayerPieces(state, 'B') + g.BLACKREMOVED == 9:
g.PHASE = 'MOVE'
else:
g.PHASE = 'INIT'
if h.getNumberOfPlayerPieces(state, 'B') == 3 and g.PHASE != 'INIT':
g.PHASE = 'FLY'
depth = 2
g.PHASECOPY = g.PHASE
if mill:
state.makeChildren('MILL')
else:
state.makeChildren(g.PHASECOPY)
depth -= 1
bestMove = None
alpha = -g.MAXIMUM
for successor in state.nextStates:
if time() - g.STARTTIME > g.TIMEALLOWED: break
score = alphaBeta(successor, -g.MAXIMUM, g.MAXIMUM, depth, g.PHASECOPY)
if score >= alpha:
alpha, bestMove = score, successor.move
if alpha >= g.MAXIMUM:
break
return bestMove
def check_counter_fly_plays(state):
if g.PHASE != 'INIT':
if h.getNumberOfPlayerPieces(state,
'B') == 3 and h.getNumberOfPlayerPieces(
state, 'W') == 3:
g.COUNTPLAYSFLY += 1
if g.COUNTPLAYSFLY == 20:
print('==================DRAWN==================')
sys.exit()
def isTerminalState(self): loserIsBlack, loserIsWhite = False, False if h.allPlayerPiecesClosed(self, 'B') or h.getNumberOfPlayerPieces(self, 'B') < 3: loserIsBlack = True if h.allPlayerPiecesClosed(self, 'W') or h.getNumberOfPlayerPieces(self, 'W') < 3: loserIsWhite = True if (not loserIsBlack) and (not loserIsWhite): return False self.isLoserBlack = (not loserIsWhite) return True
def check_if_over(state):
if g.PHASE != 'INIT':
if h.allPlayerPiecesClosed(
state, 'B') or h.getNumberOfPlayerPieces(state, 'B') < 3:
print(
'=========================CONGRATULATIONS, YOU WIN!========================='
)
playsound(g.YOUWINSOUND)
sys.exit()
if h.allPlayerPiecesClosed(
state, 'W') or h.getNumberOfPlayerPieces(state, 'W') < 3:
print(
'===========================YOU LOSE!=========================='
)
playsound(g.YOULOSESOUND)
sys.exit()
def human_play(state, mill):
if h.getNumberOfPlayerPieces(state, 'W') + g.WHITEREMOVED == 9:
g.PHASE = 'MOVE'
else:
g.PHASE = 'INIT'
if h.getNumberOfPlayerPieces(state, 'W') == 3 and g.PHASE != 'INIT':
g.PHASE = 'FLY'
if mill:
human_play_mill(state)
elif g.PHASE == 'INIT':
human_play_init(state)
elif g.PHASE == 'MOVE':
human_play_move(state)
elif g.PHASE == 'FLY':
human_play_fly(state)
def alphaBeta(state, alpha, beta, depth, phase, fly_previous=False): if phase == 'MILL': if fly_previous is False: phase = g.PHASECOPY else: phase = 'FLY' if phase == 'MOVE': if (state.blackToMove and h.getNumberOfPlayerPieces(state, 'B') == 3) or \ ((not state.blackToMove) and h.getNumberOfPlayerPieces(state, 'W')) == 3: phase = 'FLY' if state.isTerminalState() and phase != 'INIT': return state.getTerminal() if depth <= 0 or (time() - g.STARTTIME) > g.TIMEALLOWED: return h.evalute(state, phase) if state.parent is not None: if state.blackToMove: if h.millHasBeenMadeInLastTurn(state, 'W'): state.blackToMove = False if phase == 'FLY': #state.blackToMove = False return minValue(state, alpha, beta, depth, 'MILL', True) else: return minValue(state, alpha, beta, depth, 'MILL') else: if h.millHasBeenMadeInLastTurn(state, 'B'): state.blackToMove = True if phase == 'FLY': #state.blackToMove = True return maxValue(state, alpha, beta, depth, 'MILL', True) else: return maxValue(state, alpha, beta, depth, 'MILL') if state.blackToMove: return maxValue(state, alpha, beta, depth, phase) else: return minValue(state, alpha, beta, depth, phase)