def move_left(item: str, boat_pos: bool, left_items: List[str],
right_items: List[str]) -> Tuple[Optional[str], bool]:
"""Move item to left dock.
:param item: item to move.
:param boat_pos: current boat position (LEFT=False, RIGHT=True).
:param left_items: items in left dock.
:param right_items: items in right dock.
:returns: (None, curr. boat pos) or (loc. game over msg, curr. boat pos).
"""
assert all([isinstance(item, str), isinstance(boat_pos, bool),
isinstance(left_items, list), isinstance(right_items, list)])
if boat_pos == LEFT:
cur_boat_pos = move_boat(RIGHT) # type: bool
if upd_status(cur_boat_pos, left_items, right_items) == lcl.GAME_OVER:
return lcl.GAME_OVER, cur_boat_pos
pos = lcl.ITEMS.index(item) # type: int
right_items[pos] = ' '
print_at(10, 55, bright(right_items))
cur_boat_pos = move_boat(LEFT)
left_items[pos] = item
print_at(10, 1, bright(left_items))
if upd_status(cur_boat_pos, left_items, right_items) == lcl.GAME_OVER:
return lcl.GAME_OVER, cur_boat_pos
return None, cur_boat_pos
def move_left(item: str, boat_pos: bool, left_items: List[str],
right_items: List[str]) -> Tuple[Optional[str], bool]:
"""Move item to left dock.
:param item: item to move.
:param boat_pos: current boat position (LEFT=False, RIGHT=True).
:param left_items: items in left dock.
:param right_items: items in right dock.
:returns: (None, curr. boat pos) or (loc. game over msg, curr. boat pos).
"""
assert all([
isinstance(item, str),
isinstance(boat_pos, bool),
isinstance(left_items, list),
isinstance(right_items, list)
])
if boat_pos == LEFT:
cur_boat_pos = move_boat(RIGHT) # type: bool
if upd_status(cur_boat_pos, left_items, right_items) == lcl.GAME_OVER:
return lcl.GAME_OVER, cur_boat_pos
pos = lcl.ITEMS.index(item) # type: int
right_items[pos] = ' '
print_at(10, 55, bright(right_items))
cur_boat_pos = move_boat(LEFT)
left_items[pos] = item
print_at(10, 1, bright(left_items))
if upd_status(cur_boat_pos, left_items, right_items) == lcl.GAME_OVER:
return lcl.GAME_OVER, cur_boat_pos
return None, cur_boat_pos
def draw_scenery(left_items: List[str]):
"""Draw scenery.
:param left_items: items in left dock.
"""
print(lcl.TITLE)
print_at(10, 1, bright(left_items))
print_at(11, 1, DOCK)
print_at(11, 4, BOAT)
print_at(11, 55, DOCK)
print_at(12, 4, SEA)
def draw_scenery(left_items: List[str]):
"""Draw scenery.
:param left_items: items in left dock.
"""
print(lcl.TITLE)
print_at(10, 1, bright(left_items))
print_at(11, 1, DOCK)
print_at(11, 4, BOAT)
print_at(11, 55, DOCK)
print_at(12, 4, SEA)
def main() -> None:
"""Clear screen, draw scenario, request input and select correct action."""
# left dock items
left_items = list(lcl.ITEMS) # type: List[str]
# right dock items
right_items = [' ', ' ', ' '] # type: List[str]
# current boat position
cur_boat_pos = LEFT # type: bool
init()
clear_screen()
draw_scenery(left_items)
while True:
choice = '' # type: str
while choice not in ALLOWED_KEYS:
print_at(14, 1, lcl.PROMPT)
choice = input('> ').upper()
clear_line(14)
if choice in lcl.ITEMS:
result = None # type: Optional[str]
if choice in left_items:
result, cur_boat_pos = move_right(choice, cur_boat_pos,
left_items, right_items)
else:
result, cur_boat_pos = move_left(choice, cur_boat_pos,
left_items, right_items)
if result == lcl.GAME_OVER:
print_at(6, 1, lcl.GAME_OVER)
break
else: # Quit
break
set_print_pos(16, 1)
def main() -> None:
"""Clear screen, draw scenario, request input and select correct action."""
# left dock items
left_items = list(lcl.ITEMS) # type: List[str]
# right dock items
right_items = [' ', ' ', ' '] # type: List[str]
# current boat position
cur_boat_pos = LEFT # type: bool
init()
clear_screen()
draw_scenery(left_items)
while True:
choice = '' # type: str
while choice not in ALLOWED_KEYS:
print_at(14, 1, lcl.PROMPT)
choice = input('> ').upper()
clear_line(14)
if choice in lcl.ITEMS:
result = None # type: Optional[str]
if choice in left_items:
result, cur_boat_pos = move_right(choice, cur_boat_pos,
left_items, right_items)
else:
result, cur_boat_pos = move_left(choice, cur_boat_pos,
left_items, right_items)
if result == lcl.GAME_OVER:
print_at(6, 1, lcl.GAME_OVER)
break
else: # Quit
break
set_print_pos(16, 1)
def move_boat(to_pos: bool) -> bool:
"""Move boat to right/left dock, and returns position after move.
:param to_pos: position to move boat to (LEFT=False, RIGHT=True).
:returns: boat's current position.
"""
assert isinstance(to_pos, bool)
if to_pos == RIGHT:
for col in range(5, 51): # type: int
print_at(11, col - 1, NO_BOAT)
print_at(11, col, BOAT)
sleep(.02)
else:
for col in range(50, 4, -1): # type: int
print_at(11, col, NO_BOAT)
print_at(11, col - 1, BOAT)
sleep(.02)
return to_pos
def move_boat(to_pos: bool) -> bool:
"""Move boat to right/left dock, and returns position after move.
:param to_pos: position to move boat to (LEFT=False, RIGHT=True).
:returns: boat's current position.
"""
assert isinstance(to_pos, bool)
if to_pos == RIGHT:
for col in range(5, 51): # type: int
print_at(11, col - 1, NO_BOAT)
print_at(11, col, BOAT)
sleep(.02)
else:
for col in range(50, 4, -1): # type: int
print_at(11, col, NO_BOAT)
print_at(11, col - 1, BOAT)
sleep(.02)
return to_pos
def upd_status(cur_boat_pos: bool, left_items: List[str],
right_items: List[str]) -> Optional[str]:
"""Update game status, showing a message and if won some fireworks.
:param cur_boat_pos: current boat position (LEFT=False, RIGHT=True).
:param left_items: items in left dock.
:param right_items: items in right dock.
:returns: None or localized game over message.
"""
assert all([
isinstance(cur_boat_pos, bool),
isinstance(left_items, list),
isinstance(right_items, list)
])
conditions = {
'win':
right_items == list(lcl.ITEMS),
'wolf_ate_goat':
all([
lcl.WOLF in left_items, lcl.GOAT in left_items, cur_boat_pos
== RIGHT
]) or all([
lcl.WOLF in right_items, lcl.GOAT in right_items, cur_boat_pos
== LEFT
]),
'goat_ate_pasture':
all([
lcl.GOAT in left_items, lcl.PASTURE in left_items, cur_boat_pos
== RIGHT
]) or all([
lcl.GOAT in right_items, lcl.PASTURE in right_items, cur_boat_pos
== LEFT
])
} # type: Dict[str, bool]
if conditions['win']:
print_at(5, 1, lcl.WIN)
fireworks()
return lcl.GAME_OVER
elif conditions['wolf_ate_goat']: # loss
print_at(5, 1, lcl.WOLF_ATE_GOAT)
return lcl.GAME_OVER
elif conditions['goat_ate_pasture']: # loss
print_at(5, 1, lcl.GOAT_ATE_PASTURE)
return lcl.GAME_OVER
def upd_status(cur_boat_pos: bool, left_items: List[str],
right_items: List[str]) -> Optional[str]:
"""Update game status, showing a message and if won some fireworks.
:param cur_boat_pos: current boat position (LEFT=False, RIGHT=True).
:param left_items: items in left dock.
:param right_items: items in right dock.
:returns: None or localized game over message.
"""
assert all([isinstance(cur_boat_pos, bool), isinstance(left_items, list),
isinstance(right_items, list)])
conditions = {
'win': right_items == list(lcl.ITEMS),
'wolf_ate_goat':
all([lcl.WOLF in left_items, lcl.GOAT in left_items,
cur_boat_pos == RIGHT])
or
all([lcl.WOLF in right_items, lcl.GOAT in right_items,
cur_boat_pos == LEFT]),
'goat_ate_pasture':
all([lcl.GOAT in left_items, lcl.PASTURE in left_items,
cur_boat_pos == RIGHT])
or
all([lcl.GOAT in right_items, lcl.PASTURE in right_items,
cur_boat_pos == LEFT])
} # type: Dict[str, bool]
if conditions['win']:
print_at(5, 1, lcl.WIN)
fireworks()
return lcl.GAME_OVER
elif conditions['wolf_ate_goat']: # loss
print_at(5, 1, lcl.WOLF_ATE_GOAT)
return lcl.GAME_OVER
elif conditions['goat_ate_pasture']: # loss
print_at(5, 1, lcl.GOAT_ATE_PASTURE)
return lcl.GAME_OVER
def fireworks() -> None:
"""Print fireworks."""
print_at(2, 48, Style.BRIGHT + r'\ | /')
print_at(3, 47, '-- * --')
print_at(4, 48, '/ | \\')
print_at(3, 38, Fore.RED + r'\ | /')
print_at(4, 37, '-- * --')
print_at(5, 38, '/ | \\')
print_at(4, 28, Fore.YELLOW + r'\ | /')
print_at(5, 27, '-- * --')
print_at(6, 28, '/ | \\')
print_at(7, 37, Fore.MAGENTA + '*')
print_at(8, 45, Fore.GREEN + '*')
print_at(9, 40, Fore.CYAN + '*' + Style.RESET_ALL)
def fireworks() -> None:
"""Print fireworks."""
print_at(2, 48, Style.BRIGHT + r'\ | /')
print_at(3, 47, '-- * --')
print_at(4, 48, '/ | \\')
print_at(3, 38, Fore.RED + r'\ | /')
print_at(4, 37, '-- * --')
print_at(5, 38, '/ | \\')
print_at(4, 28, Fore.YELLOW + r'\ | /')
print_at(5, 27, '-- * --')
print_at(6, 28, '/ | \\')
print_at(7, 37, Fore.MAGENTA + '*')
print_at(8, 45, Fore.GREEN + '*')
print_at(9, 40, Fore.CYAN + '*' + Style.RESET_ALL)