38 lines
816 B
Python
38 lines
816 B
Python
from __future__ import annotations
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from typing import TYPE_CHECKING
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if TYPE_CHECKING:
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from engine import Engine
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from entity import Entity
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class Action: #lawsuit?
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def perform(self, engine: Engine, entity: Entity) -> None:
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"Oh look, the visitor pattern!"
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raise NotImplementedError()
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class EscapeAction(Action):
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def perform(self, engine: Engine, entity: Entity) -> None:
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raise SystemExit()
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class MovementAction(Action):
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def __init__(self, dx: int, dy: int):
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super().__init__()
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self.dx = dx
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self.dy = dy
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def perform(self, engine: Engine, entity: Entity) -> None:
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dest_x = entity.x + self.dx
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dest_y = entity.y + self.dy
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if not engine.game_map.in_bounds(dest_x, dest_y):
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return
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if not engine.game_map.tiles["walkable"][dest_x, dest_y]:
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return
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entity.set_pos(dest_x, dest_y)
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