def myinit(self, caching, init_max_depth, depth_delta, use_iterative, evaluator, max_states_in_cache=15000):
"""
use string names names
allow to confine agent"""
self.caching = caching
self.depth_delta = depth_delta
self.use_iterative = use_iterative
self.rand = Random(0)
self.init_max_depth = init_max_depth
self.use_quads = False
# TODO:
self.winner_check = QUAD_WINNER
self.evaluator = evaluator
self.max_states_in_cache = max_states_in_cache
# statistics
self.node_statistics = VisitsStatisticsClass(self.get_name())
self.time_statistics = TimeStatisticsClass()
class AnytimeSmartAlphaBetaPrintAgentParams(GameAgent):
# ----------------------- Info API -------------------------------
def get_name(self):
return (
"Smart Anytime Agent. Params: caching=%s, depth_delta=%s, use_iterative=%s, init_max_depth=%s, evaluator=%s"
% (self.caching, self.depth_delta, self.use_iterative, self.init_max_depth, self.evaluator)
)
def myinit(self, caching, init_max_depth, depth_delta, use_iterative, evaluator, max_states_in_cache=15000):
"""
use string names names
allow to confine agent"""
self.caching = caching
self.depth_delta = depth_delta
self.use_iterative = use_iterative
self.rand = Random(0)
self.init_max_depth = init_max_depth
self.use_quads = False
# TODO:
self.winner_check = QUAD_WINNER
self.evaluator = evaluator
self.max_states_in_cache = max_states_in_cache
# statistics
self.node_statistics = VisitsStatisticsClass(self.get_name())
self.time_statistics = TimeStatisticsClass()
# ---------------------- Timer ----------------------------------
def start_timer(self):
EndTimer.set_limit_and_start(self.corrected_turn_time_limit)
def stop_timer(self):
EndTimer.stop()
# ---------------------- Game Interface ----------------------------------
def setup(self, player, game_state, turn_time_limit, setup_time_limit):
# TODO: use my_init to config final agent
# we need init state to determine if we have to
self.init_state = game_state
self.prev_state = game_state
self.last_game_state = game_state
self.collected = 0
# save params
self.safe_delta = 0.8
self.corrected_turn_time_limit = turn_time_limit - self.safe_delta
self.player = player
# TODO: check set_uptime
# == Setup info set ==
self.info_set = {}
self.info_set[QUAD_TABLE_TAG] = {ITERATIVE: QuadTable, NON_ITERATIVE: QuadTableNoUpdate}[self.use_iterative](
game_state.board, game_state.size, initialize=True
)
# == Setup caching ==
if self.caching:
self.turn_cache = TurnCacheCleanable(self.max_states_in_cache)
else:
self.turn_cache = NoneTurnCache()
# --------------------- The heuristics ------------------------------
def utility(self, state, info_set):
GTimeStatistics.start_measure("agent.utility")
hv = self.evaluator.evaluate(state, self.player, info_set)
GTimeStatistics.stop_measure("agent.utility")
return hv
def info_print(self, game_state):
pass
# print "The heuristics of game state"
# print game_state
# r1,r2 = self.evaluator.evaluate2(game_state, self.player,end_time)
# r = r1 + r2
# print "r=", r, " their:",r1, " fix:",r2
def _update_info_set_no_action(self, oldstate, newstate, info_set):
new_info_set = {}
for info_tag, info_table in info_set.items():
new_info_set[info_tag] = self.turn_cache.get_wkt(
newstate, # use cache
info_tag,
info_tag + ".update_no_action",
lambda: info_table.updateWithoutAction(oldstate, newstate),
)
return new_info_set
def choose_default_answer(self, current_state):
succesors = self.turn_cache.get(current_state, LinesOfActionState.getSuccessors)
# succesors = current_state.getSuccessors()
# choose default move randomly:
index = self.rand.randint(0, len(succesors) - 1)
res_action, res_state = succesors.items()[index]
return res_action, res_state
def move(self, game_state):
self.start_timer()
self.res_action, self.res_state = self.choose_default_answer(game_state)
self.turn_cache.clean_up_if_need(game_state, self.last_game_state)
try:
EndTimer.check("m10")
# calculate info set for this game_state
if self.init_state is self.prev_state:
state_info_set = self.info_set # first turn is us: we already has infoset
else:
state_info_set = self._update_info_set_no_action(self.prev_state, game_state, self.info_set)
EndTimer.check("m20")
# calculate info set for result game_state
self.res_info_set = self._update_info_set_no_action(game_state, self.res_state, state_info_set)
# choose our move
# results saved in self.res_action, self.res_state
self.search(game_state, state_info_set, self.init_max_depth)
# save our turn and its info set: to be able calculate next one
except TimeOutException: # TODO for release handle all exceptios
self.node_statistics.clear_monitor()
pass
# save data about last gamestate
self.last_game_state = game_state
# save data about our move
self.prev_state = self.res_state
self.info_set = self.res_info_set
self.stop_timer()
# print "cm", CenterMassEvaluator().evaluate(self.res_state, self.player, self.res_info_set)
# print "e", QuadEvaluator().evaluate(self.res_state, self.player, self.res_info_set)
return self.res_action
# --------------------------- search algorithm ------------------------
def search(self, current_state, info_set, init_max_depth):
"""
@param info_set: info set of current_state
"""
# start iterative search
curr_max_depth = init_max_depth
print init_max_depth
# print "time left", end_time - time.clock(), "d=", curr_max_depth
alg = SmartAlphaBetaSearch(
self.player, self.utility, self.turn_cache, self.time_statistics, self.node_statistics, self.winner_check
)
while True:
EndTimer.check("start search")
self.node_statistics.start_monitor(curr_max_depth)
r = alg.search(current_state, curr_max_depth, info_set)
self.node_statistics.stop_monitor(curr_max_depth)
self.res_action, self.res_state, self.res_info_set = r
print "Solution at depth:", curr_max_depth, " time left:", EndTimer.time_left()
curr_max_depth += self.depth_delta
# -------------------------- AUX --------------------------------
def __str__(self):
sb = [
"@@@@@@Agent",
self.get_name(),
"== Node statistics ==",
self.node_statistics,
"== Turn_cache ==",
self.turn_cache,
"== Time statistics== ",
self.time_statistics,
"== GC ==",
"Collected:%s" % self.collected,
]
res = "\n".join([str(x) for x in sb])
return res
def __repr__(self):
return self.__str__()
def destroy_cache(self):
self.turn_cache.destroy_cache()
print "collected after killing cache:", self.collected
