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