def end_game(game, game_state):
# Finalize the game
game.stats = generate_stats_object(game, game_state)
game.state = Game.STATE_DONE
game.save()
# Notify snakes
urls = []
for snake in game_state.snakes:
urls.append('%s/end' % snake['url'])
payload = {'game_id': game_state.game_id}
responses = AsyncCall(payload, urls, game.turn_time * 5)
# Ignore responses. Suckers.
if (len(game_state.snakes + game_state.dead_snakes) > 1):
lose_phrase = 'loses' if len(game_state.dead_snakes) == 1 else 'lose'
_update_slack(
game.id, 'has been decided. %s wins after %d turns! %s %s.' %
(game.stats['winner'], game_state.turn, ', '.join(
[snake['name']
for snake in game_state.dead_snakes]), lose_phrase))
return
def get_moves(game_state, timeout):
urls = []
for snake in game_state.snakes:
urls.append('%s/move' % snake['url'])
payload = {
'game_id': game_state.game_id,
'turn': game_state.turn,
'board': game_state.board,
'food': game_state.food,
'snakes': game_state.snakes
}
responses = AsyncCall(payload, urls, timeout).start()
moves = []
# For all snakes
for snake in game_state.snakes:
# Find the response for that snake
for url, response in responses.items():
# We matched! Now handle the response
if url.startswith(snake['url']):
if response is None:
# Too bad for that snake. Engine should keep it moving
# in current direction
moves.append({
'snake_name':
snake['name'], # Don't trust id from response
'move': None,
'taunt': '...zzz...'
})
_log('%s timed out' % snake['name'])
else:
moves.append({
'snake_name':
snake['name'], # Don't trust id from response
'move': response['move'],
'taunt': response.get('taunt', '')
})
return moves
def get_moves(game_state, timeout):
urls = []
for snake in game_state.snakes:
urls.append('%s/move' % snake['url'])
payload = {
'game_id': game_state.game_id,
'turn': game_state.turn,
'board': game_state.board,
'food': game_state.food,
'snakes': game_state.snakes
}
responses = AsyncCall(payload, urls, timeout).start()
moves = []
# For all snakes
for snake in game_state.snakes:
# Find the response for that snake
for url, response in responses.items():
# We matched! Now handle the response
if url.startswith(snake['url']):
if response is None:
# Too bad for that snake. Engine should keep it moving
# in current direction
moves.append({
'snake_name': snake['name'], # Don't trust id from response
'move': None,
'taunt': '!! SNAKE ERROR !!'
})
_log('%s timed out' % snake['name'])
else:
moves.append({
'snake_name': snake['name'], # Don't trust id from response
'move': response.get('move', 'no_move'),
'taunt': response.get('taunt', '')
})
return moves
def end_game(game, game_state):
# Finalize the game
game.stats = generate_stats_object(game, game_state)
game.state = Game.STATE_DONE
game.save()
# Notify snakes
urls = []
for snake in game_state.snakes:
urls.append('%s/end' % snake['url'])
payload = {'game_id': game_state.game_id}
responses = AsyncCall(payload, urls, game.turn_time * 5)
# Ignore responses. Suckers.
return
def create_game(snake_urls, width, height, turn_time):
game = Game(width=width, height=height, turn_time=turn_time)
# Fetch snakes
start_urls = [('%s/start' % url) for url in snake_urls]
responses = AsyncCall(
payload={
'game_id': game.id,
'width': width,
'height': height
},
urls=start_urls,
timeout=10 # Enough time for Heroku apps to wake up
).start()
# Any errors?
for url, response in responses.items():
if not response:
raise Exception('%s failed to respond' % url)
params = ['name', 'color']
for param in params:
if param not in response:
raise Exception('%s missing %s' % (url, param))
# Build snakes
snakes = []
for snake_url in snake_urls:
# Find the response for that snake
for url, response in responses.items():
# We matched! Now handle the response
if url.startswith(snake_url):
if response is None:
# FREAK OUT
raise Exception('failed to contact snake: %s' % url)
snakes.append({
'url':
snake_url,
'color':
response['color'],
'head_url':
response.get(
'head_url',
'http://www.battlesnake.io/static/img/default_head.gif'
),
'name':
response['name'],
'taunt':
response['taunt']
})
game.insert()
# Create the first GameState
game_state = Engine.create_game_state(game.id, game.width, game.height)
# Init the first GameState
Engine.add_random_snakes_to_board(game_state, snakes)
Engine.add_starting_food_to_board(game_state)
# Save the first GameState
game_state.insert()
return (game, game_state)
def create_game(snake_urls, width, height, turn_time):
if not snake_urls or len(snake_urls) == 0:
raise Exception('No snake urls added. You need at least one...')
game = Game(width=width, height=height, turn_time=turn_time)
# Fetch snakes
start_urls = [('%s/start' % url) for url in snake_urls]
responses = AsyncCall(
payload={
'game_id': game.id,
'width': width,
'height': height
},
urls=start_urls,
timeout=10 # Enough time for Heroku apps to wake up
).start()
# Any errors?
for url, response in responses.items():
if not response:
raise Exception('%s failed to respond' % url)
params = ['name', 'color']
for param in params:
if param not in response:
raise Exception('%s missing %s' % (url, param))
# Build snakes
snakes = []
for snake_url in snake_urls:
# Find the response for that snake
for url, response in responses.items():
# We matched! Now handle the response
if url.startswith(snake_url):
if response is None:
# FREAK OUT
raise Exception('failed to contact snake: %s' % url)
snake = {
'url': snake_url,
'color': response['color'],
'head_url': response.get('head_url', 'http://www.battlesnake.io/static/img/default_head.gif'),
'name': response['name'],
'taunt': response['taunt']
}
if snake in snakes:
raise Exception('cannot snake name "%s" more than once' % (snake['name']))
snakes.append(snake)
game.insert()
# Create the first GameState
game_state = Engine.create_game_state(game.id, game.width, game.height)
# Init the first GameState
Engine.add_random_snakes_to_board(game_state, snakes)
Engine.add_starting_food_to_board(game_state)
# Save the first GameState
game_state.insert()
if (len(snakes) > 1):
_update_slack(game.id, '%d brave snakes enter the grid: %s' % (
len(snakes), ', '.join([s['name'] for s in snakes]))
)
return (game, game_state)