50 lines
1.7 KiB
Python
50 lines
1.7 KiB
Python
#!/usr/bin/env python3
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# Eryn Wells <eryn@erynwells.me>
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import logging
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from .engine import Engine
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from .geometry import Vector
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from .object import Entity
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LOG = logging.getLogger('events')
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class Action:
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def perform(self, engine: Engine, entity: Entity) -> None:
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'''
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Perform this action. This is an abstract method that all subclasses
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should implement.
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'''
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raise NotImplementedError()
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class ExitAction(Action):
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def perform(self, engine: Engine, entity: Entity) -> None:
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raise SystemExit()
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class RegenerateRoomsAction(Action):
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def perform(self, engine: Engine, entity: Entity) -> None:
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...
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class MovePlayerAction(Action):
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class Direction:
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North = Vector(0, -1)
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NorthEast = Vector(1, -1)
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East = Vector(1, 0)
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SouthEast = Vector(1, 1)
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South = Vector(0, 1)
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SouthWest = Vector(-1, 1)
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West = Vector(-1, 0)
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NorthWest = Vector(-1, -1)
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def __init__(self, direction: Direction):
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self.direction = direction
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def perform(self, engine: Engine, entity: Entity) -> None:
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new_player_position = entity.position + self.direction
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position_is_in_bounds = self.map.tile_is_in_bounds(new_player_position)
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position_is_walkable = self.map.tile_is_walkable(new_player_position)
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overlaps_an_entity = any(new_player_position.x == obj.x and new_player_position.y == obj.y for obj in engine.entities)
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LOG.debug(f'Attempting to move player to {new_player_position} (in_bounds:{position_is_in_bounds} walkable:{position_is_walkable} overlaps:{overlaps_an_entity})')
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if position_is_in_bounds and position_is_walkable and not overlaps_an_entity:
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self.player.move_to(new_player_position)
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