def prepare_game(self):
"""
Prepares the game by getting the latest parameters of the model from the parent
"""
self.players = [
self.agent.get_player(),
self.agent.get_player(),
self.agent.get_player(),
self.agent.get_player()
]
self.game = Game(self.players)
def evaluate(num_games, players, idx=0, debug=False):
print("Starting evaluation...")
# players[idx].reset(idx)
wins = 0
toss = None
for i in range(num_games):
game = Game(players, debug, debug)
game.initialize(toss)
winners = game.play_game()
if idx in winners:
wins += 1
# toss = winners[0]
# wins, _ = players[idx].reset(idx)
avg_reward = players[idx].total_reward / num_games
print(wins, wins / num_games, avg_reward)
return wins / num_games * 100, avg_reward
def evaluate(num_games, players, idx=0, debug=False):
"""
Evaluate the agent with the given index to count the number of wins of the particular agent
"""
print("Starting evaluation...")
wins = 0
toss = None
for i in range(num_games):
game = Game(players, debug, debug)
game.initialize(toss)
winners = game.play_game()
if idx in winners:
wins += 1
toss = winners[0]
avg_reward = 0
print(wins, wins / num_games, avg_reward)
return wins / num_games * 100, avg_reward
def test():
agent = DQNAgent()
agent.load_model()
agent.eval = True
players = [agent, agent, agent, agent]
game = Game(players)
game.initialize()
game.play_game()
def experiments():
games = 10000
steps = 0
players = [RandomAgent(0), RandomAgent(1), RandomAgent(2), RandomAgent(3)]
for i in range(games):
game = Game(players)
game.initialize()
game.play_game()
steps += players[0].get_steps()
return steps / games
def evaluate(num_games, players, idx=0, debug=False):
print("Starting evaluation...")
players[idx].reset(idx)
for i in range(num_games):
game = Game(players, debug, debug)
game.initialize()
game.play_game()
wins, _ = players[idx].reset(idx)
print(wins, wins / num_games)
return wins / num_games * 100
def train_dqn(num_games, debug=False):
win_rate_radiant = []
win_rate_dire = []
games = []
weak_agent = DQNAgent(False, True)
weak_agent.eval = True
print("Starting training")
agent = DQNAgent(True, True) # to indicate that we want to train the agent
agent.save_model("weak")
players = [agent, agent, agent, agent]
plt.plot(games, win_rate_radiant, win_rate_dire)
i = 0
games_i = 0
while 1:
game = Game(players, debug, debug)
game.initialize()
game.play_game()
agent.optimize_model()
if i % 250 == 0:
agent.mirror_models()
if i % 300 == 0:
print("Total Games: {}".format(i))
if i % 10000 == 0 and i != 0:
players[0].save_model("final")
agent.eval = True
agent.train = False
weak_agent.load_model("weak")
players3 = [agent, weak_agent, agent, weak_agent]
win_rate_r, _ = evaluate(500, players3, 0)
players2 = [agent, RandomAgent(), agent, RandomAgent()]
win_rate_d, _ = evaluate(500, players2, 0)
win_rate_radiant.append(win_rate_r / 100)
win_rate_dire.append(win_rate_d / 100)
games.append(games_i)
plt.plot(games, win_rate_radiant, win_rate_dire)
plt.savefig()
agent.eval = False
agent.train = True
if win_rate_r < 50:
# if the previous agent beats you, train against that
strategy_collapse(players3, agent)
games_i += 2500
agent.save_model("weak")
i += 1
games_i += 1
def evaluate(num_games, players, idx=0, debug=False):
print("Starting evaluation...")
players[idx].reset()
for i in range(num_games):
for player in players:
if type(player) == NFSPAgent:
player.sample_episode_policy()
game = Game(players, debug, debug)
game.initialize()
game.play_game()
wins = players[idx].reset()
print(wins, wins / num_games)
return wins / num_games * 100
def strategy_collapse(players, agent):
"""
In order to prevent strategy collapse, we ocassionally train against former version of ourself
that beat us in evaluation
"""
wins = 0
for i in range(2500):
game = Game(players)
game.initialize()
game.play_game()
agent.optimize_model()
if i % 250 == 0:
agent.mirror_models()
def train_nfsp(num_games, debug=False):
players = [NFSPAgent(), NFSPAgent(), NFSPAgent(), NFSPAgent()]
win_rate_radiant = []
win_rate_dire = []
games = []
for i in range(num_games):
for player in players:
player.sample_episode_policy()
game = Game(players, False, False)
game.initialize()
game.play_game()
# for player in players:
# player.optimize_model()
if i % 100 == 0:
print("Total Games: {}".format(i))
# if i % 1000 == 0:
# for player in players:
# player.mirror_models()
if i % 5000 == 0:
players[0].save_model("final")
print("Steps done: {}".format(players[0].steps))
if i % 5000 == 0 and i != 0:
temp_players_radiant = [
players[0],
RandomAgent(1), players[2],
RandomAgent(3)
]
temp_players_dire = [
RandomAgent(0), players[1],
RandomAgent(2), players[3]
]
for player in players:
player.eval = True
win_rate_r = evaluate(100, temp_players_radiant, 0)
win_rate_d = evaluate(100, temp_players_dire, 1)
games.append(i)
win_rate_radiant.append(win_rate_r)
win_rate_dire.append(win_rate_d)
plt.plot(games, win_rate_radiant, win_rate_dire)
plt.savefig()
for player in players:
player.eval = False
plt.savefig()
players[0].save_model("final")
print("Steps done: {}".format(players[0].steps))
def strategy_collapse(agent, weak_agent, num_games):
print("Strategy Collapse...")
for i in range(num_games):
players = [
agent.get_player(),
weak_agent.get_player(False),
agent.get_player(),
weak_agent.get_player(False)
]
game = Game(players)
game.initialize()
game.play_game()
if (i % CONCURRENT_GAMES) == 0:
agent.gather_experience()
agent.optimize_model()
agent.save_model("weak")
def run_game(players):
game = Game(players)
game.initialize()
game.play_game()
def train_a2c(num_games, debug=False):
agent = A2CAgent()
dqn_agent = DQNAgent(True)
dqn_agent.eval = True
players = [agent, agent, agent, agent]
win_rate_radiant = []
win_rate_dire = []
games = []
rewards = []
wins = 0
win_rate = []
avg_rewards = []
for i in range(num_games):
game = Game(players, False, False)
game.initialize()
game.play_game()
if i % 6 == 0:
agent.optimize_model()
print()
# agent.reset(0)
# temp_players_radiant = [agent, RandomAgent(1), agent, RandomAgent(3)]
# test_game = Game(temp_players_radiant, False, False)
# test_game.initialize()
# test_game.play_game()
# win, reward = agent.reset(0)
# wins += win
# # rewards.append(reward)
# # games.append(i)
# rewards.append(reward)
# # avg_reward = sum(avg_reward) / 100
# # avg_rewards.append(avg_reward)
# agent.clear_trajectory()
if i % 100 == 0:
print("Total Games: {}".format(i))
# if i % 250 == 0 and i != 0:
# games.append(i)
# avg_reward = statistics.mean(rewards)
# avg_rewards.append(avg_reward)
# rewards = []
# win_rate.append(wins / 250)
# wins = 0
# plt.plot_reward(games, avg_rewards, win_rate)
# plt.savefig()
if i % 5000 == 0:
players[0].save_model("final")
print("Steps done: {}".format(players[0].steps))
if i % 5000 == 0 and i != 0:
temp_players_radiant = [
players[0],
RandomAgent(), players[2],
RandomAgent()
]
temp_players_dire = [dqn_agent, players[1], dqn_agent, players[3]]
# # for player in players:
# # player.eval = True
win_rate_r = evaluate(100, temp_players_radiant, 0)
win_rate_d = evaluate(100, temp_players_dire, 1)
games.append(i)
win_rate_radiant.append(win_rate_r)
win_rate_dire.append(win_rate_d)
plt.plot(games, win_rate_dire, win_rate_radiant)
plt.savefig()
agent.clear_trajectory()
# # for player in players:
# # player.eval = False
plt.savefig()
players[0].save_model("final")
print("Steps done: {}".format(players[0].steps))
def train_a2c(num_games, debug=False):
agent = PPOAgent()
weak_agent = PPOAgent()
agent.save_model(0)
weak_agent.load_model(0)
# dqn_agent = DQNAgent(True)
# dqn_agent.eval = True
# players = [agent, agent, agent, agent]
win_rate_radiant = []
win_rate_dire = []
win_rate_random = []
games = []
rewards = []
wins = 0
win_rate = []
avg_rewards_r = []
avg_rewards_d = []
for i in range(num_games):
then = time.time()
for _ in range(CONCURRENT_GAMES):
# play concurrent games
players = [
agent.get_player(),
agent.get_player(),
agent.get_player(),
agent.get_player()
]
game = Game(players)
game.initialize()
game.play_game()
agent.gather_experience()
agent.optimize_model()
print("Time elapsed for {} games: {}".format(CONCURRENT_GAMES,
time.time() - then))
# processes = []
# for rank in range(CONCURRENT_GAMES):
# players = [
# RandomAgent(0),
# RandomAgent(1),
# RandomAgent(2),
# RandomAgent(3)
# ]
# p = mp.Process(target=play_game, args=(players,))
# p.start()
# processes.append(p)
# for p in processes:
# p.join()
# if (i % 200) == 0:
# agent.save_model(i)
if (i % 20) == 0 and i != 0:
# evaluation time
temp_players = [
weak_agent.get_player(False),
agent.get_player(False),
weak_agent.get_player(False),
agent.get_player(False)
]
# temp_players_radiant = [
# agent.get_player(False),
# dqn_agent,
# agent.get_player(False),
# dqn_agent
# ]
temp_players_random = [
agent.get_player(False),
RandomAgent(),
agent.get_player(False),
RandomAgent()
]
win_rate_self, _ = evaluate(100, temp_players, 1)
# win_rate_r, _ = evaluate(100, temp_players_radiant, 0)
win_rate_rand, _ = evaluate(100, temp_players_random, 0)
games.append(i)
win_rate_radiant.append(win_rate_self / 100)
# win_rate_dire.append(win_rate_r/100)
win_rate_random.append(win_rate_rand / 100)
plt.plot(games, win_rate_radiant, win_rate_dire, win_rate_random)
plt.savefig()
if win_rate_self < 50:
# past self was better, train against that
strategy_collapse(agent, weak_agent, CONCURRENT_GAMES * 5)
agent.clear_experience()
agent.save_model(i)
weak_agent.load_model(i)
agent.save_model()
if (i % 20) == 0:
agent.save_model(i)
print("Total Games:{}, Total Updates:{}".format(
i * CONCURRENT_GAMES, i))
# if (i / CONCURRENT_GAMES) % 100 == 0 and i != 0:
# agent.save_model("final")
# # print("Steps done: {}".format(players[0].steps))
# print("Total Games: {}".format(i))
# temp_players_radiant = [
# agent.get_player(False),
# RandomAgent(1),
# agent.get_player(False),
# RandomAgent(3)]
# temp_players_dire = [
# dqn_agent,
# agent.get_player(False),
# dqn_agent,
# agent.get_player(False)]
# # # for player in players:
# # # player.eval = True
# win_rate_r, reward_r = evaluate(100, temp_players_radiant, 0)
# win_rate_d, reward_d = evaluate(100, temp_players_dire, 1)
# games.append(i/CONCURRENT_GAMES) # actually updates
# # win_rate_radiant.append(win_rate_r)
# # win_rate_dire.append(win_rate_d)
# avg_rewards_r.append(reward_r)
# avg_rewards_d.append(reward_d)
# plt.plot_reward(games, avg_rewards_r, avg_rewards_d)
# plt.savefig()
# agent.clear_experience()
# agent.train = True
# # for player in players:
# # player.eval = False
plt.savefig()
def play_game():
players = [RandomAgent(0), HumanAgent(1), RandomAgent(2), RandomAgent(3)]
game = Game(players, True, True)
game.initialize()
game.play_game()
class RungEnv(Process):
def __init__(self, pipe) -> None:
super(RungEnv, self).__init__()
self.pipe: Pipe = pipe
self.actor = None
self.critic = None
self.game = None
self.agent = PPOAgent()
def get_params(self):
"""
Gets the parameters of the latest model from the parent process and loads
them into the agent
"""
# print("COMGIN ACTOR")
# self.actor = self.queue.get()
self.actor = self.pipe.recv()
# print("COMING CITIC")
# self.critic = self.queue.get()
self.critic = self.pipe.recv()
# self.actor = self.pipe.recv()
# self.critic = self.pipe.recv()
self.agent.load_params(self.actor, self.critic)
# print("LOADED")
def prepare_game(self):
"""
Prepares the game by getting the latest parameters of the model from the parent
"""
self.players = [
self.agent.get_player(),
self.agent.get_player(),
self.agent.get_player(),
self.agent.get_player()
]
self.game = Game(self.players)
def run(self):
while True:
msg = self.pipe.recv()
# print(msg)
if msg == "REFRESH":
# print("Getting new parameters and starting a new game: ")
self.get_params()
# print("GOT Params")
continue
elif msg == "RESET":
# print("Starting a new game: ")
pass
elif msg == "TERMINATE":
print("Terminate the environment instance")
break
# print("Preparing")
self.prepare_game()
self.game.initialize()
self.game.play_game()
self.agent.gather_experience()
self.send_data()
def send_data(self):
# print("Game ended")
self.pipe.send("END")
# self.pipe.send("STATE")
self.pipe.send(self.agent.state_batch)
# self.pipe.send("ACTION")
self.pipe.send(self.agent.action_batch)
# self.pipe.send("REWARD")
self.pipe.send(self.agent.reward_batch)
# self.pipe.send("LOGPROBS")
self.pipe.send(self.agent.log_probs_batch)
self.agent.clear_experience()
pass
def __init__(self, players):
self.players = players
self.game = Game(players)
self.rung_chosen = False
self.current_player = None