def handle_user_input(player):
'''
continuously gets the command from user
for move, also simulates the position change
move command can be rejected (player re-prompted) if it would move player out of the map
in that case, user is reprompted until a valid command is issued
:param player: Player
:returns
Save if save command was issued
Load is load command was issued
None if move command was issued (and successfully simulated)
'''
while True:
command = parse_user_input()
if command == Save or command == Load:
return command
delta = command
if player.try_move(delta):
dlog.debug(f'moved to {player.position}')
return None
else:
olog.info("Can't move there - a wall blocks the path")
def __init__(self, size):
'''
creates a size * size dungeon map
where 1/10 tiles are treasures and other 2/10 - traps
:param size: int, > 0
'''
if size <= 0:
raise ValueError('size must be > 0')
self.size = size
count = size * size
trap_count = floor(count * TRAP_QUOTA)
treasure_count = floor(count * TREASURE_QUOTA)
empty_count = count - trap_count - treasure_count
treasures = [Treasure] * treasure_count
traps = [Trap] * trap_count
empties = [Empty] * empty_count
dlog.debug(
f'Created {treasure_count} treasures, {trap_count} traps, {empty_count} empties'
)
combined = treasures
combined.extend(traps)
combined.extend(empties)
shuffle(combined)
self.tiles = list(chunks(combined, size))
dlog.debug(
f'Created a map of {len(combined)} elements (with size {size})')
def try_attack_player(self, player):
'''
unleashes the whole might of our 1 dmg attack
on the unsuspecting player, if he is in reach (on the same tile as enemy)
'''
if self.gotcha_player(player):
dlog.debug('damaged player')
olog.info('the grue\'s got you!')
player.lose_health()
def get_random_empty_tile(self):
'''
:param map: dungeon map object
:returns: random Tile with empty type
'''
dlog.debug('get_random_empty_tile')
rand_index = lambda: randint(0, len(self.tiles) - 1)
while True:
maybe_empty = (rand_index(), rand_index())
dlog.debug(f'randomed tile: {maybe_empty}')
if self.at(maybe_empty) == Empty:
return maybe_empty
def move_randomly(self):
'''
moves one delta in the random direction
(not going into walls)
'''
if not self.dungeon_map.in_bounds(self.position):
ValueError(
'enemie\'s position is out of bounds of argument DungeonMap')
while True:
rand_move_dt = move_directions[randrange(len(move_directions))]
new_pos = tuple_add(self.position, rand_move_dt)
if self.dungeon_map.in_bounds(new_pos):
self.position = new_pos
dlog.debug(f'enemy moved to {self.position}')
break
def handle_load():
'''
tries to load, telling user if the savefile does not exist
:returns: tuple (dmap, player) - deserialized DungeonMap and Player
or None if the load was unsuccessful
'''
if not save_exists():
dlog.debug('Tried to load when savefile does not exist')
olog.info('You haven\'t saved it yet!')
return None
try:
deserialized = load()
dlog.debug('changed state to loaded:')
olog.info('Loaded your game!\n')
return deserialized
except UnpicklingError:
olog.info('Could not load the save, savefile corrupted')
return None
def play_game(size):
dmap = DungeonMap(size)
player_dead = Event()
player_won = Event()
player = Player(TREAUSURES_FOR_WIN, dmap, lambda: player_dead.set())
start = dmap.get_random_empty_tile()
dlog.debug(f'Starting at {start}')
olog.info(
'Note: you can input \'save\' any time to save the game, or \'load\' to load last saved one'
)
player.position = start
enemy = Enemy(dmap)
enemy.start_patroling(player)
print(dmap.map_to_str(player.position, enemy.position))
while not player_dead.is_set() and not player_won.is_set():
run_turn(player_dead, player_won, player, dmap)
# uncomment for perfect debug experience
print(dmap.map_to_str(player.position, enemy.position))
enemy.stop_patroling()
won = player_won.is_set()
lost = player_dead.is_set()
assert won != lost
if won:
win(dmap, player.position, enemy.position)
else:
assert lost
lose(dmap, player.position, enemy.position)
def patrol(self, player):
'''
a single turn of patrol
attacks player if standing on the same tile, moves randomly and tries to attack again
'''
self.try_attack_player(player)
self.move_randomly()
self.try_attack_player(player)
tile_val = self.dungeon_map.at(self.position)
if tile_val == dm.Treasure:
dlog.debug(f'enemy ate treasure at {self.position}')
elif tile_val == dm.Trap:
dlog.debug(f'enemy died from a trap at {self.position}')
self.position = self.dungeon_map.get_random_empty_tile()
dlog.debug(f'enemy respawned to {self.position}')
# eats our treasure, or destroys the trap by activating it
self.dungeon_map.set_tile(self.position, dm.Empty)