38 lines
972 B
Python
38 lines
972 B
Python
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from commands.command import Command
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class MoveCommand(Command):
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DIRECTION_TO_DELTA = {
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"W": (0, -1),
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"A": (-1, 0),
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"S": (0, 1),
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"D": (1, 0),
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}
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def __init__(self, player, maze, direction):
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self.player = player
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self.maze = maze
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self.direction = direction.upper()
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self.previousCell = None
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def execute(self):
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if self.direction not in self.DIRECTION_TO_DELTA:
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return False
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dx, dy = self.DIRECTION_TO_DELTA[self.direction]
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current = self.player.currentCell
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new_cell = self.maze.getCell(current.x + dx, current.y + dy)
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if new_cell is None or not new_cell.isPassable():
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return False
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self.previousCell = current
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self.player.setCell(new_cell)
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return True
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def undo(self):
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if self.previousCell is None:
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return False
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self.player.setCell(self.previousCell)
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return True
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