def board(request, game_id):
"""
Returns the current game board state.
:param request:
:param game_id: unique identifier of the board
:return game board JSON:
"""
response_status = utils.load_board_db(game_id)
if response_status['error']:
return Response({'error': response_status['reason']},
status=status.HTTP_400_BAD_REQUEST)
# hide the UID used by data structure backend from user
# del response_status['game_board']['graph']['uid']
return Response(response_status['game_board'])
def move_food(request, game_id, start, dest):
"""
Moves food from start chamber to destination chamber
:param game_id: unique identifier of the board
:param start: The chamber to move the food from.
:param dest: the chamber where the food should be placed
:return game board JSON:
"""
# Load the game board from database
response_status = utils.load_board_db(game_id)
if response_status['error']:
return Response({'error': response_status['reason']},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
board = response_status['game_board']
# Make sure that the player isn't trying to move to or from surface.
if start == 'surface' or dest == 'surface':
return Response({'invalid_action': 'no food on surface allowed'},
status=status.HTTP_400_BAD_REQUEST)
# If start and dest don't exist for some reason
if start not in board['graph']['chambers'] or dest not in board['graph'][
'chambers']:
return Response({'invalid_action': 'invalid chambers'},
status=status.HTTP_400_BAD_REQUEST)
# If chambers aren't connected then return
if board['graph']['chambers'][start]['tunnels']['next'] != dest:
return Response({'invalid_action': 'no tunnel'},
status=status.HTTP_400_BAD_REQUEST)
# If there is no queen then game over actually
if not board['queen_at_head']:
return Response({'invalid_action': 'game over'},
status=status.HTTP_400_BAD_REQUEST)
# If there are no chambers player can't move food
if board['total_chambers'] == 1:
return Response({'invalid_action': 'no chambers'},
status=status.HTTP_400_BAD_REQUEST)
# If there are no ants in the start chamber then can't move food
if board['graph']['chambers'][start]['num_ants'] == 0:
return Response({'invalid_action': 'no ants'},
status=status.HTTP_400_BAD_REQUEST)
# If the requested dest chamber is under attack then can't move food
if board['graph']['chambers'][dest]['under_attack']:
return Response({'invalid_action': 'under attack'},
status=status.HTTP_400_BAD_REQUEST)
# If there is no food in the starting chamber then you can't move food
if board['graph']['chambers'][start]['food']['total'] == 0:
return Response({'invalid_action': 'no food'},
status=status.HTTP_400_BAD_REQUEST)
# If the player can't make a move, return error
if board['time_tracks']['move/forage'] == 0:
return Response({'invalid_action': 'no time'},
status=status.HTTP_400_BAD_REQUEST)
# If we were to make it so that the user can only fit up to 6 food in the each
# chamber, this might cause an issue with the fact that ants can only move one spot
# So I will move food to the next chamber, not matter how much food is in the next chamber
# 'Pick up' the first available food of the highest value.
# Only allowing the player to move one piece of food at a time, while having no food
# limit for chambers, still ensures that the player is motivated to not cram all food into
# on chamber.
food_picked_up = ''
value = 0
if board['graph']['chambers'][start]['food']['donut'] > 0:
board['graph']['chambers'][start]['food']['donut'] -= 1
board['graph']['chambers'][start]['food']['total'] -= 3
food_picked_up = 'donut'
value = 3
elif board['graph']['chambers'][start]['food']['berry'] > 0:
board['graph']['chambers'][start]['food']['berry'] -= 1
board['graph']['chambers'][start]['food']['total'] -= 2
food_picked_up = 'berry'
value = 2
elif board['graph']['chambers'][start]['food']['crumb'] > 0:
board['graph']['chambers'][start]['food']['crumb'] -= 1
board['graph']['chambers'][start]['food']['total'] -= 1
food_picked_up = 'crumb'
value = 1
# Put food in the destination chamber
board['graph']['chambers'][dest]['food'][food_picked_up] += 1
board['graph']['chambers'][dest]['food']['total'] += value
# Update ant locations
board['graph']['chambers'][start]['num_ants'] -= 1
board['graph']['chambers'][dest]['num_ants'] += 1
# Decrement Move/Forage time track
board['time_tracks']['move/forage'] -= 1
user_id = board['player_ids']
token = -1
# Update the board on database
response_status = utils.update_board_db(board, user_id, token)
if response_status['error']:
return Response({'error': response_status['reason']},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
board_response = response_status['game_board']
return Response(board_response)
def move_ant(request, game_id, start, dest):
"""
Moves ant from start chamber to destination chamber
:param game_id: unique identifier of the board
:param start: The chamber to move from.
:param dest: the chamber where to move
:return game board JSON:
"""
# Load the game board from database
response_status = utils.load_board_db(game_id)
if response_status['error']:
return Response({'error': response_status['reason']},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
board = response_status['game_board']
# If start and dest don't exist for some reason
if (start not in board['graph']['chambers']) or (
dest not in board['graph']['chambers']):
return Response({'invalid_action': 'invalid chambers'},
status=status.HTTP_400_BAD_REQUEST)
# If chambers aren't connected then return
if board['graph']['chambers'][start]['tunnels']['next'] != dest:
return Response({'invalid_action': 'no tunnel'},
status=status.HTTP_400_BAD_REQUEST)
# If there is no queen then game over actually
if board['queen_at_head'] == False:
return Response({'invalid_action': 'game over'},
status=status.HTTP_400_BAD_REQUEST)
# If no ant to move
if board['graph']['chambers'][start]['num_ants'] == 0:
return Response({'invalid_action': 'no ants'},
status=status.HTTP_400_BAD_REQUEST)
# If the player can't make a move, return error
if board['time_tracks']['move/forage'] == 0:
return Response({'invalid_action': 'no time'},
status=status.HTTP_400_BAD_REQUEST)
# if at this point, update all relevant game board values
# Update ant locations
board['graph']['chambers'][start]['num_ants'] -= 1
board['graph']['chambers'][dest]['num_ants'] += 1
if start == 'surface':
board['total_surface_ants'] -= 1
# Decrement Move/Forage time track
board['time_tracks']['move/forage'] -= 1
user_id = board['player_ids']
token = -1
# Update the board on database
response_status = utils.update_board_db(board, user_id, token)
if response_status['error']:
return Response({'error': response_status['reason']},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
board_response = response_status['game_board']
return Response(board_response)
def forage(request, game_id, difficulty, dest):
"""
Spawns an ant given the game ID
:param game_id: unique identifier of the board
:param difficulty: game difficulty
:param ant_loc: the chamber in which the ant is located
:param dest: the chamber where the food should be placed
:return game board JSON:
"""
# Load the game board from database
response_status = utils.load_board_db(game_id)
if response_status['error']:
return Response({'error': response_status['reason']},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
board = response_status['game_board']
# Make sure that the destination chamber is in the colony
if dest not in board['graph']['chambers']:
return Response({'invalid_action': 'dest dne'},
status=status.HTTP_400_BAD_REQUEST)
# Make sure that the surface is connected to the dest somehow.
curr_chamber = 'surface'
connected = False
while board['graph']['chambers'][curr_chamber]['tunnels']['next'] is not None and \
board['graph']['chambers'][curr_chamber]['tunnels']['next'] != 'surface':
if board['graph']['chambers'][curr_chamber]['tunnels']['next'] == dest:
connected = True
break
curr_chamber = board['graph']['surface'][curr_chamber]['tunnels'][
'next']
if connected == False:
return Response({'invalid_action': 'dest unreachable'},
status=status.HTTP_400_BAD_REQUEST)
# If there are no chambers player can't forage
if board['total_chambers'] == 0:
return Response({'invalid_action': 'no chambers'},
status=status.HTTP_400_BAD_REQUEST)
# If there is no queen then game over actually
if board['queen_at_head'] == False:
return Response({'invalid_action': 'lost queen'},
status=status.HTTP_400_BAD_REQUEST)
# If there are no worker ants on the surface.
if board['total_surface_ants'] == 1:
return Response({'invalid_action': 'no surface ants'},
status=status.HTTP_400_BAD_REQUEST)
# If the requested chamber is under attack return error
if board['graph']['chambers'][dest]['under_attack']:
return Response({'invalid_action': 'under attack'},
status=status.HTTP_400_BAD_REQUEST)
# If the player can't make a forage move, return error
if board['time_tracks']['move/forage'] == 0:
return Response({'invalid_action': 'no time'},
status=status.HTTP_400_BAD_REQUEST)
# choose a random number then choose the forage type that will be returned
rand_food = random.randint(0, 100)
crumb_chance = config.FORAGE_CHANCE[difficulty][config.FORAGE_TYPES[0]]
berry_chance = config.FORAGE_CHANCE[difficulty][config.FORAGE_TYPES[1]]
donut_chance = config.FORAGE_CHANCE[difficulty][config.FORAGE_TYPES[2]]
attack_chance = config.FORAGE_CHANCE[difficulty][config.FORAGE_TYPES[3]]
# Check if crumb was chosen
if rand_food >= 0 and rand_food < crumb_chance:
forage_result = config.FORAGE_TYPES[0]
# Check if berry was chosen
if rand_food >= crumb_chance and rand_food < berry_chance:
forage_result = config.FORAGE_TYPES[1]
# Check if donut was chosen
if rand_food >= berry_chance and rand_food < donut_chance:
forage_result = config.FORAGE_TYPES[2]
# Check if attack was chosen
if rand_food >= donut_chance and rand_food < attack_chance:
forage_result = config.FORAGE_TYPES[3]
# If the forage resulted in the chamber coming under attack,
# Then reflect the change in the board
if forage_result == config.FORAGE_TYPES[3]:
board['graph']['chambers'][dest]['under_attack'] = True
board['total_under_attack'] += 1
board['total_surface_ants'] -= 1
board['graph']['chambers']['surface']['num_ants'] -= 1
board['graph']['chambers'][dest]['num_ants'] += 1
# Otherwise, put the food in the requested chamber, move the ant, and update the board
else:
# Change food in requested chamber
board['graph']['chambers'][dest]['food'][forage_result] += 1
board['graph']['chambers'][dest]['food']['total'] += config.FOOD_VALUE[
forage_result]
# Change food stats on for the game board
board['total_food_types'][forage_result] += 1
board['total_food'] += config.FOOD_VALUE[forage_result]
# Move the ant from og spot to new spot
board['total_surface_ants'] -= 1
board['graph']['chambers']['surface']['num_ants'] -= 1
board['graph']['chambers'][dest]['num_ants'] += 1
# Decrement Move/Forage time track
board['time_tracks']['move/forage'] -= 1
user_id = board['player_ids']
token = -1
# Update the board on database
response_status = utils.update_board_db(board, user_id, token)
if response_status['error']:
return Response({'error': response_status['reason']},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
board_response = response_status['game_board']
return Response(board_response)
def spawn_ant(request, game_id):
"""
Spawns an ant given the game ID
:param game_id: unique identifier of the board
:return game board JSON:
"""
# Load the game board from database
response_status = utils.load_board_db(game_id)
if response_status['error']:
return Response({'error': response_status['reason']},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
board = response_status['game_board']
if not board['queen_at_head']:
return Response({'invalid_action': 'lost queen'},
status=status.HTTP_400_BAD_REQUEST)
# Make sure there is enough food to spawn a new ant
if board['total_food'] < config.ANT_SPAWN_VAL:
return Response({'invalid_action': 'not enough food'},
status=status.HTTP_400_BAD_REQUEST)
# Take away food, if they have food that can be
curr_food_types = board['total_food_types']
# Find the first chamber with enough food
chamber_with_food = None
for chamber in board['graph']['chambers'].keys():
if chamber != 'surface' and board['graph']['chambers'][chamber][
'food']['total'] >= config.ANT_SPAWN_VAL:
chamber_with_food = chamber
break
# If player has a donut take it
if curr_food_types[config.FORAGE_TYPES[2]] > 0:
board['total_food_types'][config.FORAGE_TYPES[2]] -= 1
board['total_food'] -= config.ANT_SPAWN_VAL
board['graph']['chambers'][chamber_with_food]['food'][
config.FORAGE_TYPES[2]] -= 1
board['graph']['chambers'][chamber_with_food]['food'][
'total'] -= config.ANT_SPAWN_VAL
# If player has at least one berry and one crumb, take one of each
elif curr_food_types[config.FORAGE_TYPES[1]] > 0 and curr_food_types[
config.FORAGE_TYPES[0]] > 0:
board['total_food_types'][config.FORAGE_TYPES[1]] -= 1
board['total_food_types'][config.FORAGE_TYPES[0]] -= 1
board['total_food'] -= config.ANT_SPAWN_VAL
board['graph']['chambers'][chamber_with_food]['food'][
config.FORAGE_TYPES[1]] -= 1
board['graph']['chambers'][chamber_with_food]['food'][
config.FORAGE_TYPES[0]] -= 1
board['graph']['chambers'][chamber_with_food]['food'][
'total'] -= config.ANT_SPAWN_VAL
# If player only has crumbs take it
elif curr_food_types[config.FORAGE_TYPES[0]] >= config.ANT_SPAWN_VAL:
board['total_food_types'][
config.FORAGE_TYPES[0]] -= config.ANT_SPAWN_VAL
# If this case is reached, the player has enough food, but only in berry form (not divisible by 3)
elif curr_food_types[config.FORAGE_TYPES[1]] >= 2:
board['total_food_types'][config.FORAGE_TYPES[1]] -= 2
board['total_food_types'][config.FORAGE_TYPES[0]] += 1
board['total_food'] -= config.ANT_SPAWN_VAL
board['graph']['chambers'][chamber_with_food]['food'][
config.FORAGE_TYPES[1]] -= 2
board['graph']['chambers'][chamber_with_food]['food'][
config.FORAGE_TYPES[1]] += 1
board['graph']['chambers'][chamber_with_food]['food'][
'total'] -= config.ANT_SPAWN_VAL
else:
return Response({'invalid_action': 'error occurred'},
status=status.HTTP_400_BAD_REQUEST)
# if control reaches here, then spawning an ant is successful. Update both total and surface ant values.
board['total_ants'] += 1
board['total_surface_ants'] += 1
action = ['spawn_ant']
board['graph'] = doAction(board['graph'], action)
user_id = board['player_ids']
token = -1
# Update the board on database
response_status = utils.update_board_db(board, user_id, token)
if response_status['error']:
return Response({'error': response_status['reason']},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
board_response = response_status['game_board']
return Response(board_response)
def fill_chamber(request, game_id, to_fill):
"""
Attempts to 'fill' (delete) a chamber and all associated tunnels
:param game_id: unique identifier of the board
:param to_fill: the chamber that the player wishes to delete
:return game board JSON:
"""
# Check if game exists
# Load the game board from database
response_status = utils.load_board_db(game_id)
if response_status['error']:
return Response({'error': response_status['reason']},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
board = response_status['game_board']
# Check if to_fill is surface (cannot fill in surface)
if to_fill == 'surface':
return Response({'invalid_action': 'cannot fill in surface'},
status=status.HTTP_400_BAD_REQUEST)
# Check if to_fill exists
if to_fill not in board['graph']['chambers']:
return Response({'invalid_action': 'chamber does not exist'},
status=status.HTTP_400_BAD_REQUEST)
# Check for fill chamber energy
if board['time_tracks']['dig/fill_chamber'] == 0:
return Response({'invalid_action': 'no more fill chamber moves left!'},
status=status.HTTP_400_BAD_REQUEST)
# Check if to_fill has any food in it
if (board['graph']['chambers'][to_fill]['food']['crumb'] > 0) \
or (board['graph']['chambers'][to_fill]['food']['berry'] > 0) \
or (board['graph']['chambers'][to_fill]['food']['donut'] > 0):
return Response({'invalid_action': 'There is food in this chamber!'},
status=status.HTTP_400_BAD_REQUEST)
# Check if there is at least one ant at the prev chamber
previous = board['graph']['chambers'][to_fill]['tunnels']['prev']
if board['graph']['chambers'][previous]['num_ants'] == 0:
return Response({'invalid_action': 'No ant in previous chamber!'},
status=status.HTTP_400_BAD_REQUEST)
# Check if there is a next chamber, and if so, if there is at least one ant in it
if board['graph']['chambers'][to_fill]['tunnels']['next'] is not None:
next_chamber = board['graph']['chambers'][to_fill]['tunnels']['next']
if board['graph']['chambers'][next_chamber]['num_ants'] == 0:
return Response({'invalid_action': 'No ant in next chamber!'},
status=status.HTTP_400_BAD_REQUEST)
# If at this point, all checks are made. Update gameboard
# link up prev and next
board['graph'] = doAction(board['graph'], ('fill_chamber', to_fill))
board['total_chambers'] -= 1
board['time_tracks']['dig/fill_chamber'] -= 1
user_id = board['player_ids']
token = -1
# Update the board on database
response_status = utils.update_board_db(board, user_id, token)
if response_status['error']:
return Response({'error': response_status['reason']},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
board_response = response_status['game_board']
return Response(board_response)
def dig_chamber(request, game_id, origin, move_ant, ant=None):
"""
Attempts to dig a new chamber off of a current dead-end tunnel
:param game_id: unique identifier of the board
:param origin: the chamber that the player wishes to dig from
:param move_ant: whether the player wishes to move the ant into the new chamber
"""
# checklist
if ant == 'None':
ant = None
# Check if game exists
response_status = utils.load_board_db(game_id)
if response_status['error']:
return Response({'error': response_status['reason']},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
board = response_status['game_board']
# Check for dig chamber energy
if board['time_tracks']['dig/fill_chamber'] == 0:
return Response({'invalid_action': 'no more dig chamber moves left!'},
status=status.HTTP_400_BAD_REQUEST)
# Check if move_ant is a valid input
if move_ant != 'yes':
if move_ant != 'no':
return Response({'invalid_action': 'invalid free move request!'},
status=status.HTTP_400_BAD_REQUEST)
# Check if origin exists
if origin != 'surface' and origin not in board['graph']['chambers']:
return Response({'invalid_action': 'origin does not exist'},
status=status.HTTP_400_BAD_REQUEST)
# check if origin contains at least one ant
if origin == 'surface' and board['total_surface_ants'] == 1:
return Response({'invalid_action': 'no ants on surface'},
status=status.HTTP_400_BAD_REQUEST)
if board['graph']['chambers'][origin]['num_ants'] == 0:
return Response({'invalid_action': 'no ants at origin'},
status=status.HTTP_400_BAD_REQUEST)
# Check if origin contains an exit tunnel
if board['graph']['chambers'][origin]['tunnels']['next'] is not None:
return Response({'invalid_action': 'no available tunnel from origin'},
status=status.HTTP_400_BAD_REQUEST)
# if origin contains a next tunnel, check if current next is 'none'
# if board['graph']['tunnels'][origin][0] == 2 and board['graph']['tunnels'][origin][2] is not None:
# return Response({'invalid_action': 'no available tunnel from origin'},
# status=status.HTTP_400_BAD_REQUEST)
# if at this point, dig request is valid: update ALL relevant game board variables
newchamberid = 'chamber' + str(len(board['graph']['chambers'].keys()) + 1)
board['graph'] = doAction(board['graph'], ('dig_chamber', origin))
board['total_chambers'] += 1
if move_ant == 'yes' and ant is not None:
board['graph'] = doAction(board['graph'],
('move_ant', ant, newchamberid))
board['time_tracks']['dig/fill_chamber'] -= 1
user_id = board['player_ids']
token = -1
# Update the board on database
response_status = utils.update_board_db(board, user_id, token)
if response_status['error']:
return Response({'error': response_status['reason']},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
board_response = response_status['game_board']
return Response(board_response)
def dig_tunnel(request, game_id, origin, destination):
"""
Attempts to dig a tunnel from the requested chamber to a requested destination
:param game_id: unique identifier of the board
:param origin: the chamber that the player wishes to dig from
:param destination: the place that the player wishes to dig to (chamber name, 'surface', or 'none'
"""
# convert string to actual value
if destination == 'None':
destination = None
# Game must exist
# Load the game board from database
response_status = utils.load_board_db(game_id)
if response_status['error']:
return Response({'error': response_status['reason']},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
board = response_status['game_board']
# origin and destination MUST be different
if origin == destination:
return Response({'invalid_action': 'origin cannot match destination'},
status=status.HTTP_400_BAD_REQUEST)
# Player must still have dig 'energy' for that day
if board['time_tracks']['dig_tunnel_track'] == 0:
return Response({'invalid_action': 'no more dig tunnel moves left!'},
status=status.HTTP_400_BAD_REQUEST)
# Origin must exist
if origin != 'surface' and origin not in board['graph']['chambers']:
return Response({'invalid_action': 'origin does not exist'},
status=status.HTTP_400_BAD_REQUEST)
# If destination is NOT 'none', it must exist (chamber OR surface)
if destination is not None and destination not in board['graph'][
'chambers']:
return Response({'invalid_action': 'destination does not exist'},
status=status.HTTP_400_BAD_REQUEST)
# If Origin is surface, colony_entrance MUST be False
if origin == 'surface' and board['colony_entrance'] is True:
return Response({'invalid_action': 'colony_entrance already exists'},
status=status.HTTP_400_BAD_REQUEST)
# There must be at least one ant at origin
if origin == 'surface' and board['total_surface_ants'] == 0:
return Response({'invalid_action': 'no ants on surface'},
status=status.HTTP_400_BAD_REQUEST)
if board['graph']['chambers'][origin]['num_ants'] == 0:
return Response({'invalid_action': 'no ants at origin'},
status=status.HTTP_400_BAD_REQUEST)
# If destination is NOT none, there must be an ant at the destination
if destination is not None and board['graph']['chambers'][destination][
'num_ants'] == 0:
return Response({'invalid_action': 'no ants at destination'},
status=status.HTTP_400_BAD_REQUEST)
# Origin chamber must NOT already have an exit tunnel, except if it's to the surface
if board['graph']['chambers'][origin]['tunnels']['next'] is not None and \
board['graph']['chambers'][origin]['tunnels']['next'] != 'surface':
return Response({'invalid_action': 'exit tunnel exists'},
status=status.HTTP_400_BAD_REQUEST)
# destination must NOT already have an entrance tunnel
if destination is not None and board['graph']['chambers'][destination][
'tunnels']['prev'] is not None:
return Response({'invalid_action': 'exit tunnel exists'},
status=status.HTTP_400_BAD_REQUEST)
# if ALL checks are passed, create new tunnel and update ALL relevant gameboard parameters
# num_tunnels
board['graph'] = doAction(board['graph'],
('dig_tunnel', origin, destination))
board['total_tunnels'] += 1
if origin == 'surface':
board['colony_entrance'] = True
if destination == 'surface':
board['colony_exit'] = True
board['time_tracks']['dig_tunnel_track'] -= 1
user_id = board['player_ids']
token = -1
# Update the board on database
response_status = utils.update_board_db(board, user_id, token)
if response_status['error']:
return Response({'error': response_status['reason']},
status=status.HTTP_500_INTERNAL_SERVER_ERROR)
board_response = response_status['game_board']
return Response(board_response)
