def gameover_screen(playerWon):
gameover = True
while gameover:
for event in pygame.event.get():
if event.type == pygame.QUIT:
gameover = False
pygame.quit()
interface.Game("resume")
if event.type == pygame.KEYDOWN:
if event.key == K_r:
gameover = False
if event.key == K_q or event.key == K_ESCAPE:
gameover = False
pygame.quit()
interface.Game("resume")
if playerWon:
screen.blit(font2.render("You won!", True, GREEN), [330, 150])
else:
screen.blit(font2.render("You lost!", True, RED), [330, 150])
screen.blit(font1.render("PRESS 'R' TO PLAY AGAIN", True, BLACK),
[330, 290])
screen.blit(font1.render("PRESS 'Q' TO QUIT", True, BLACK),
[375, 320])
pygame.display.update()
screen.blit(washingtonHall_BG, (0, 0))
game_clock.tick(FPS)
if gameover == False:
play_game(playerID, opponentID)
def _evaluate(self, weight_candidate):
agent = ESAgent(self.actions,
self.discount,
self.featureExtractor,
weights=weight_candidate).getAgent()
agents = deepcopy(self.strategies) # add current agent to strategies
agents.append(agent)
game = interface.Game(grid_size,
len(agents),
candy_ratio=1.,
max_iter=max_iter)
game.start(agents)
totalDiscount = 1
totalReward = 0
while not game.isEnd() and agent.isAlive(game):
# Compute the actions for each player following its strategy
actions = game.agentActions()
newState = game.succ(game.current_state, actions)
reward = agent.lastReward(game)
totalReward += totalDiscount * reward
totalDiscount *= self.discount
# fitness = totalReward
fitness = game.current_state.currentScore(agent_id)
# fitness = max(0, totalReward) # we need positive values
return fitness
def train(self,
strategies,
grid_size,
num_trials=100,
max_iter=1000,
verbose=False):
print "RL training"
totalRewards = [] # The rewards we get on each trial
rl_id = len(strategies)
for trial in xrange(num_trials):
progressBar(trial, num_trials)
game = interface.Game(grid_size,
len(strategies) + 1,
candy_ratio=1.,
max_iter=max_iter)
state = game.startState()
totalDiscount = 1
totalReward = 0
points = state.snakes[rl_id].points
history = []
while not game.isEnd(state) and rl_id in state.snakes:
# Compute the actions for each player following its strategy
actions = {
i: strategies[i](i, state)
for i in state.snakes.keys() if i != rl_id
}
action, optimal_action = self.getAction(state)
actions[rl_id] = action
newState = game.succ(state, actions)
if rl_id in newState.snakes:
reward = newState.snakes[rl_id].points - points
if len(newState.snakes) == 1: # it won
reward += 10.
points = newState.snakes[rl_id].points
self.incorporateFeedback(state, action, reward, newState,
history)
else: # it died
reward = -10.
self.incorporateFeedback(state, action, reward, newState,
history)
# add decsion to history, or reset if non-greedy choice
if optimal_action:
history.append(self.featureExtractor(state, action))
else:
history = []
totalReward += totalDiscount * reward
totalDiscount *= self.discount
state = newState
if verbose:
print "Trial %d (totalReward = %s)" % (trial, totalReward)
totalRewards.append(totalReward)
progressBar(num_trials, num_trials)
print "Average reward:", sum(totalRewards) / num_trials
return totalRewards
def train(self,
opponents,
grid_size,
num_trials=100,
max_iter=1000,
verbose=False):
print("RL training")
totalRewards = [] # The rewards we get on each trial
# rl_id = len(opponents)
rl_agent = self.getAgent()
agents = deepcopy(opponents) # add current agent to strategies
agents.append(rl_agent)
for trial in range(num_trials):
# game = interface.Game(grid_size, len(strategies) + 1, candy_ratio = 1., max_iter = max_iter)
# state = game.startState()
game = interface.Game(grid_size,
len(agents),
candy_ratio=1.,
max_iter=max_iter)
game.start(agents)
totalDiscount = 1
totalReward = 0
rewards = []
while not game.isEnd() and rl_agent.isAlive(game):
# Compute the actions for each player following its strategy
# actions = {i: strategies[i](i, state) for i in state.snakes.keys() if i != rl_id}
# action = self.getAction(state)
# actions[rl_id] = action
actions = game.agentActions()
newState = game.succ(game.current_state, actions)
reward = rl_agent.lastReward(game)
rewards.append(reward)
totalReward += totalDiscount * reward
totalDiscount *= self.discount
if self.rl_type == "qlearning":
self.incorporateFeedback(game.previous_state,
actions[rl_agent.getPlayerId()],
reward, game.current_state)
if self.rl_type == "policy_gradients":
self.addRolloutFeedback(rewards, trial)
progressBar(trial,
num_trials,
info="Last reward: {}".format(totalReward))
if verbose:
print("Trial %d (totalReward = %s)" % (trial, totalReward))
totalRewards.append(totalReward)
progressBar(num_trials, num_trials)
print("Average reward:", sum(totalRewards) / num_trials)
return totalRewards
def train(self, grid_size, num_trials=100, max_iter=1000, verbose=False):
print "RL training"
totalRewards = [] # The rewards we get on each trial
for trial in xrange(num_trials):
progressBar(trial, num_trials)
game = interface.Game(grid_size, n_snakes= self.n_opponents + 1, candy_ratio = 1., max_iter = max_iter)
state = game.startState()
totalDiscount = 1
totalReward = 0
points = state.snakes[self.TDagent_id].points
while not game.isEnd(state) and self.TDagent_id in state.snakes:
# Compute the actions for each player following its strategy
actions = {i: self.getAction(state,i)}
newState = game.succ(state, actions)
if self.TDagent_id in newState.snakes:
if len(newState.snakes) == 1: # it won
reward = 2.0 * newState.snakes[self.TDagent_id].points
else:
reward = newState.snakes[self.TDagent_id].points - points
points = newState.snakes[self.TDagent_id].points
self.incorporateFeedback(state, action, reward, newState)
else: # it died
reward = - points
self.incorporateFeedback(state, action, reward, newState)
totalReward += totalDiscount * reward
totalDiscount *= self.discount
state = newState
if verbose:
print "Trial %d (totalReward = %s)" % (trial, totalReward)
totalRewards.append(totalReward)
progressBar(num_trials, num_trials)
print "Average reward:", sum(totalRewards)/num_trials
return totalRewards
############################################################
############################################################
def play_game(playerID, opponentID):
def gameover_screen(playerWon):
gameover = True
while gameover:
for event in pygame.event.get():
if event.type == pygame.QUIT:
gameover = False
pygame.quit()
interface.Game("resume")
if event.type == pygame.KEYDOWN:
if event.key == K_r:
gameover = False
if event.key == K_q or event.key == K_ESCAPE:
gameover = False
pygame.quit()
interface.Game("resume")
if playerWon:
screen.blit(font2.render("You won!", True, GREEN), [330, 150])
else:
screen.blit(font2.render("You lost!", True, RED), [330, 150])
screen.blit(font1.render("PRESS 'R' TO PLAY AGAIN", True, BLACK),
[330, 290])
screen.blit(font1.render("PRESS 'Q' TO QUIT", True, BLACK),
[375, 320])
pygame.display.update()
screen.blit(washingtonHall_BG, (0, 0))
game_clock.tick(FPS)
if gameover == False:
play_game(playerID, opponentID)
#############################################################
pygame.init()
game_clock = pygame.time.Clock()
FPS = 25
screen = pygame.display.set_mode((WIDTH, HEIGHT))
screen.fill((255, 255, 255))
washingtonHall_BG = pygame.image.load('resources/wh.png')
font1 = pygame.font.SysFont('comicsansms', 25)
font2 = pygame.font.SysFont('comicsansms', 80)
pygame.display.set_caption("Brigade Brawlers")
display = pygame.display.set_mode((WIDTH, HEIGHT))
player = Fighter(50, 400, playerID - 1)
opponent = Fighter(800, 400, opponentID - 1)
screen.fill((255, 255, 255))
screen.blit(washingtonHall_BG, (0, 0))
game_clock = pygame.time.Clock()
FPS = 25
pygame.key.set_repeat(10, 10)
score = 0
score_font = pygame.font.SysFont(None, 20)
punching_PlayerImages = [
player.standing_image, player.standing_image, player.punching_image,
player.punching_image
]
punching_OpponentImages = [
opponent.standing_image, opponent.standing_image,
opponent.punching_image, opponent.punching_image
]
seconds = -1
playerFacingRight = True
opponentFacingRight = False
strategy = random.randrange(0, 3)
oppRetreat = False
activeGame = True
while activeGame:
playerMove = 0
controls = pygame.key.get_pressed()
for event in pygame.event.get():
if event.type == QUIT:
activeGame = False
pygame.quit()
interface.Game("resume")
elif event.type == KEYDOWN:
if event.key == K_ESCAPE:
activeGame = False
pygame.quit()
interface.Game("resume")
if controls[K_LEFT]:
playerFacingRight = False
player.move_left(25, display)
playerMove = 1
if controls[K_RIGHT]:
playerFacingRight = True
player.move_right(25, display)
playerMove = 2
if controls[K_SPACE]:
playerMove = 3
if abs(player.fighter.x - opponent.fighter.x) <= 60:
opponent.health -= 10
else:
playerMove = 0
screen.blit(washingtonHall_BG, (0, 0))
if playerMove == 0:
if playerFacingRight:
display.blit(player.standing_image, player.fighter)
else:
display.blit(
pygame.transform.flip(player.standing_image, True, False),
player.fighter)
if playerMove == 1:
player.running_images.append(player.running_images.pop(0))
flipped_img = pygame.transform.flip(player.running_images[0], True,
False)
display.blit(flipped_img, player.fighter)
if playerMove == 2:
player.running_images.append(player.running_images.pop(0))
display.blit(player.running_images[0], player.fighter)
if playerMove == 3:
punching_PlayerImages.append(punching_PlayerImages.pop(0))
puncing_img = punching_PlayerImages[0]
if playerFacingRight:
display.blit(puncing_img, player.fighter)
else:
display.blit(pygame.transform.flip(puncing_img, True, False),
player.fighter)
dist = opponent.fighter.centerx - player.fighter.centerx
oppOnRight = True
oppInRange = False
if (dist < 0):
oppOnRight = False
if (abs(dist) <= 60):
oppInRange = True
oppMove = 0
if strategy == 0:
if opponent.health > 350:
if oppInRange:
oppMove = 3
else:
oppMove = 0
elif opponent.health > 250:
if oppInRange and opponent.health < 300:
oppMove = 3
elif opponent.fighter.centerx < 100:
opponentFacingRight = True
oppMove = 0
else:
oppMove = 1
elif opponent.health > 60:
if oppInRange and opponent.health > 150:
oppMove = 3
elif opponent.fighter.centerx > 700:
opponentFacingRight = False
oppMove = 0
else:
oppMove = 2
else:
oppMove = 3
elif strategy == 1:
if oppRetreat:
if opponent.fighter.centerx > 100:
oppMove = 1
elif oppInRange:
oppMove = 3
else:
opponentFacingRight = True
oppMove = 0
elif opponent.health > 80:
if oppInRange:
oppMove = 3
elif oppOnRight:
oppMove = 1
else:
oppMove = 2
else:
if oppOnRight:
if opponent.fighter.centerx < 900:
oppMove = 2
elif abs(dist < 130):
oppRetreat = True
else:
oppRetreat = True
else:
if opponent.health > 300 and opponent.health < 370:
oppMove = 3
elif opponent.health <= 300:
if opponent.health < 70:
if opponent.fighter.centerx > 930:
if oppInRange:
oppMove = 3
else:
opponentFacingRight = False
oppMove = 0
else:
oppMove = 2
elif opponent.fighter.centerx > 50:
oppMove = 1
elif oppInRange:
oppMove = 3
else:
opponentFacingRight = True
oppMove = 0
elif opponent.fighter.centerx > 900 and oppInRange == False:
opponentFacingRight = False
oppMove = 0
elif oppOnRight and oppRetreat == False:
if oppInRange:
oppRetreat = True
oppMove = 2
elif opponent.fighter.centerx > 320:
oppMove = 1
else:
oppMove = 0
else:
oppMove = 2
if oppMove == 0:
if opponentFacingRight:
display.blit(opponent.standing_image, opponent.fighter)
else:
display.blit(
pygame.transform.flip(opponent.standing_image, True,
False), opponent.fighter)
if oppMove == 1:
opponentFacingRight = False
opponent.move_left(25, display)
opponent.running_images.append(opponent.running_images.pop(0))
flipped_img = pygame.transform.flip(opponent.running_images[0],
True, False)
display.blit(flipped_img, opponent.fighter)
if oppMove == 2:
opponentFacingRight = True
opponent.move_right(25, display)
opponent.running_images.append(opponent.running_images.pop(0))
flipped_img = opponent.running_images[0]
display.blit(flipped_img, opponent.fighter)
if oppMove == 3:
if abs(player.fighter.x - opponent.fighter.x) <= 60:
player.health -= 10
punching_OpponentImages.append(punching_OpponentImages.pop(0))
puncing_img = punching_OpponentImages[0]
if opponentFacingRight:
display.blit(puncing_img, opponent.fighter)
else:
display.blit(pygame.transform.flip(puncing_img, True, False),
opponent.fighter)
if player.health <= 0 or opponent.health <= 0:
gameover_screen(player.health > opponent.health)
health_bars(player.health, opponent.health, display)
pygame.display.update()
screen.blit(washingtonHall_BG, (0, 0))
game_clock.tick(FPS)
