Files
marl-factory-grid/marl_factory_grid/environment/groups/collection.py
2023-11-02 12:02:03 +01:00

129 lines
3.7 KiB
Python

from typing import List, Tuple, Union
from marl_factory_grid.environment.entity.entity import Entity
from marl_factory_grid.environment.groups.objects import _Objects
from marl_factory_grid.environment.entity.object import _Object
import marl_factory_grid.environment.constants as c
class Collection(_Objects):
_entity = _Object # entity?
@property
def var_is_blocking_light(self):
return False
@property
def var_can_collide(self):
return False
@property
def var_can_move(self):
return False
@property
def var_has_position(self):
return False
# @property
# def var_has_bound(self):
# return False # batteries, globalpos, inventories true
@property
def var_can_be_bound(self):
return False
@property
def encodings(self):
return [x.encoding for x in self]
def __init__(self, size, *args, **kwargs):
super(Collection, self).__init__(*args, **kwargs)
self.size = size
def spawn(self, coords_or_quantity: Union[int, List[Tuple[(int, int)]]], *entity_args): # woihn mit den args
if isinstance(coords_or_quantity, int):
self.add_items([self._entity() for _ in range(coords_or_quantity)])
else:
self.add_items([self._entity(pos) for pos in coords_or_quantity])
return c.VALID
def despawn(self, items: List[_Object]):
items = [items] if isinstance(items, _Object) else items
for item in items:
del self[item]
def add_item(self, item: Entity):
assert self.var_has_position or (len(self) <= self.size)
super(Collection, self).add_item(item)
return self
def delete_env_object(self, env_object):
del self[env_object.name]
def delete_env_object_by_name(self, name):
del self[name]
@property
def obs_pairs(self):
pair_list = [(self.name, self)]
try:
if self.var_can_be_bound:
pair_list.extend([(a.name, a) for a in self])
except AttributeError:
pass
return pair_list
def by_entity(self, entity):
try:
return next((x for x in self if x.belongs_to_entity(entity)))
except (StopIteration, AttributeError):
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, AttributeError):
return None
def render(self):
if self.var_has_position:
return [y for y in [x.render() for x in self] if y is not None]
else:
return []
@classmethod
def from_coordinates(cls, positions: [(int, int)], *args, entity_kwargs=None, **kwargs, ):
collection = cls(*args, **kwargs)
collection.add_items(
[cls._entity(tuple(pos), **entity_kwargs if entity_kwargs is not None else {}) for pos in positions])
return collection
def __delitem__(self, name):
idx, obj = next((i, obj) for i, obj in enumerate(self) if obj.name == name)
try:
for observer in obj.observers:
observer.notify_del_entity(obj)
except AttributeError:
pass
super().__delitem__(name)
def by_pos(self, pos: (int, int)):
pos = tuple(pos)
try:
return self.pos_dict[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