58 lines
1.5 KiB
Python
58 lines
1.5 KiB
Python
#!/usr/bin/env python
|
|
# coding: utf-8
|
|
|
|
# In[ ]:
|
|
|
|
|
|
from typing import Optional
|
|
from commandsCommand import Command
|
|
from commandsPlayer import Player
|
|
from modelsMaze import Maze
|
|
from modelsCell import Cell
|
|
|
|
class MoveCommand(Command):
|
|
"""Команда перемещения игрока."""
|
|
|
|
# Направления
|
|
DIRECTIONS = {
|
|
'w': (0, -1), # вверх
|
|
's': (0, 1), # вниз
|
|
'a': (-1, 0), # влево
|
|
'd': (1, 0), # вправо
|
|
}
|
|
|
|
def __init__(self, player: Player, maze: Maze, direction: str):
|
|
self.player = player
|
|
self.maze = maze
|
|
self.direction = direction.lower()
|
|
self._target_cell: Optional[Cell] = None
|
|
self._executed = False
|
|
|
|
def execute(self) -> bool:
|
|
"""Выполнить перемещение."""
|
|
if self.direction not in self.DIRECTIONS:
|
|
return False
|
|
|
|
dx, dy = self.DIRECTIONS[self.direction]
|
|
x = self.player.current_cell.x + dx
|
|
y = self.player.current_cell.y + dy
|
|
|
|
self._target_cell = self.maze.get_cell(x, y)
|
|
|
|
if self._target_cell and self._target_cell.is_passable():
|
|
self.player.move_to(self._target_cell)
|
|
self._executed = True
|
|
return True
|
|
|
|
return False
|
|
|
|
def undo(self) -> bool:
|
|
"""Отменить перемещение."""
|
|
if self._executed:
|
|
success = self.player.undo_move()
|
|
if success:
|
|
self._executed = False
|
|
return True
|
|
return False
|
|
|