2023-06-20 18:21:43 +02:00

98 lines
2.8 KiB
Python

from mfg_package.environment import constants as c
from mfg_package.environment.entity.entity import Entity
# noinspection PyUnresolvedReferences,PyTypeChecker,PyArgumentList
class PositionMixin:
_entity = Entity
is_blocking_light: bool = True
can_collide: bool = True
has_position: bool = True
def render(self):
return [y for y in [x.render() for x in self] if y is not None]
@classmethod
def from_tiles(cls, tiles, *args, entity_kwargs=None, **kwargs):
collection = cls(*args, **kwargs)
entities = [cls._entity(tile, str_ident=i,
**entity_kwargs if entity_kwargs is not None else {})
for i, tile in enumerate(tiles)]
collection.add_items(entities)
return collection
@classmethod
def from_coordinates(cls, positions: [(int, int)], tiles, *args, entity_kwargs=None, **kwargs, ):
return cls.from_tiles([tiles.by_pos(position) for position in positions], tiles.size, *args,
entity_kwargs=entity_kwargs,
**kwargs)
@property
def tiles(self):
return [entity.tile for entity in self]
def __delitem__(self, name):
idx, obj = next((i, obj) for i, obj in enumerate(self) if obj.name == name)
obj.tile.leave(obj)
super().__delitem__(name)
def by_pos(self, pos: (int, int)):
pos = tuple(pos)
try:
return next(e for e in self if e.pos == pos)
except StopIteration:
pass
except ValueError:
print()
@property
def positions(self):
return [e.pos for e in self]
def notify_del_entity(self, entity: Entity):
try:
self.pos_dict[entity.pos].remove(entity)
except (ValueError, AttributeError):
pass
# noinspection PyUnresolvedReferences,PyTypeChecker
class IsBoundMixin:
@property
def name(self):
return f'{self.__class__.__name__}({self._bound_entity.name})'
def __repr__(self):
return f'{self.__class__.__name__}#{self._bound_entity.name}({self._data})'
def bind(self, entity):
# noinspection PyAttributeOutsideInit
self._bound_entity = entity
return c.VALID
def belongs_to_entity(self, entity):
return self._bound_entity == entity
# noinspection PyUnresolvedReferences,PyTypeChecker
class HasBoundedMixin:
@property
def obs_names(self):
return [x.name for x in self]
def by_entity(self, entity):
try:
return next((x for x in self if x.belongs_to_entity(entity)))
except StopIteration:
return None
def idx_by_entity(self, entity):
try:
return next((idx for idx, x in enumerate(self) if x.belongs_to_entity(entity)))
except StopIteration:
return None