def apply(player, state, liberties, mult=1, heuristic=None):
if heuristic == None:
heuristic = [(pos, 1) for pos in liberties[:]]
for i in range(len(heuristic)):
pos, heur = heuristic[i]
x, y = pos
newstate = Game.simulate_move(x, y, player, state)
stones, opponent_stones = len(Game.stones(player, newstate)), len(Game.stones(Game.other(player), newstate))
v = stones / (stones + opponent_stones)
heuristic[i] = (pos, heur * v ** mult)
return heuristic
def apply(player, state, liberties, mult=1, heuristic=None):
if heuristic == None:
heuristic = [(pos, 1) for pos in liberties[:]]
libs = []
# TODO Someone make this not inefficient
for i in range(len(heuristic)):
pos, heur = heuristic[i]
x, y = pos
newstate = Game.simulate_move(x, y, player, state)
lib = len(Game.liberties(Game.other(player), newstate))
libs.append((pos, lib))
minl = min([l for _, l in libs])
for i in range(len(libs)):
pos, heur = heuristic[i]
_, lib = libs[i]
v = 1 / ((lib - minl) + 1)
heuristic[i] = (pos, heur * v ** mult)
return heuristic