2023-10-20 14:36:23 +02:00

85 lines
2.5 KiB
Python

import abc
import numpy as np
from .. import constants as c
from .object import EnvObject
from ...utils.utility_classes import RenderEntity
from ...utils.results import ActionResult
class Entity(EnvObject, abc.ABC):
"""Full Env Entity that lives on the environment Grid. Doors, Items, DirtPile etc..."""
@property
def state(self):
return self._status or ActionResult(entity=self, identifier=c.NOOP, validity=c.VALID, reward=0)
@property
def var_has_position(self):
return self.pos != c.VALUE_NO_POS
@property
def x(self):
return self.pos[0]
@property
def y(self):
return self.pos[1]
@property
def pos(self):
return self._pos
@property
def last_pos(self):
try:
return self._last_pos
except AttributeError:
# noinspection PyAttributeOutsideInit
self._last_pos = c.VALUE_NO_POS
return self._last_pos
@property
def direction_of_view(self):
if self._last_pos != c.VALUE_NO_POS:
return 0, 0
else:
return np.subtract(self._last_pos, self.pos)
def move(self, next_pos, state):
next_pos = next_pos
curr_pos = self._pos
if not_same_pos := curr_pos != next_pos:
if valid := state.check_move_validity(self, next_pos):
for observer in self.observers:
observer.notify_del_entity(self)
self._view_directory = curr_pos[0]-next_pos[0], curr_pos[1]-next_pos[1]
self._pos = next_pos
for observer in self.observers:
observer.notify_add_entity(self)
return valid
return not_same_pos
def __init__(self, pos, bind_to=None, **kwargs):
super().__init__(**kwargs)
self._status = None
self._pos = pos
self._last_pos = pos
if bind_to:
try:
self.bind_to(bind_to)
except AttributeError:
print(f'Objects of {self.__class__.__name__} can not be bound to other entities.')
exit()
def summarize_state(self) -> dict: # tile=str(self.tile.name)
return dict(name=str(self.name), x=int(self.x), y=int(self.y), can_collide=bool(self.var_can_collide))
@abc.abstractmethod
def render(self):
return RenderEntity(self.__class__.__name__.lower(), self.pos)
def __repr__(self):
return super(Entity, self).__repr__() + f'(@{self.pos})'