111 lines
3.5 KiB
Python

from collections import defaultdict
from operator import itemgetter
from random import shuffle
from typing import Dict
from marl_factory_grid.environment.groups.objects import _Objects
from marl_factory_grid.utils.helpers import POS_MASK
class Entities(_Objects):
_entity = _Objects
@staticmethod
def neighboring_positions(pos):
return [tuple(x) for x in (POS_MASK + pos).reshape(-1, 2)]
def get_entities_near_pos(self, pos):
return [y for x in itemgetter(*self.neighboring_positions(pos))(self.pos_dict) for y in x]
def render(self):
return [y for x in self for y in x.render() if x is not None]
@property
def names(self):
return list(self._data.keys())
@property
def floorlist(self):
shuffle(self._floor_positions)
return self._floor_positions
def __init__(self, floor_positions):
self._floor_positions = floor_positions
self.pos_dict = defaultdict(list)
super().__init__()
def guests_that_can_collide(self, pos):
return [x for val in self.pos_dict[pos] for x in val if x.var_can_collide]
@property
def empty_positions(self):
empty_positions = [key for key in self.floorlist if not self.pos_dict[key]]
shuffle(empty_positions)
return empty_positions
@property
def occupied_positions(self): # positions that are not empty
empty_positions = [key for key in self.floorlist if self.pos_dict[key]]
shuffle(empty_positions)
return empty_positions
@property
def blocked_positions(self):
blocked_positions = [key for key, val in self.pos_dict.items() if any([x.var_is_blocking_pos for x in val])]
shuffle(blocked_positions)
return blocked_positions
@property
def free_positions_generator(self):
generator = (
key for key in self.floorlist if all(not x.var_can_collide and not x.var_is_blocking_pos
for x in self.pos_dict[key])
)
return generator
@property
def free_positions_list(self):
return [x for x in self.free_positions_generator]
def iter_entities(self):
return iter((x for sublist in self.values() for x in sublist))
def add_items(self, items: Dict):
return self.add_item(items)
def add_item(self, item: dict):
assert_str = 'This group of entity has already been added!'
assert not any([key for key in item.keys() if key in self.keys()]), assert_str
self._data.update(item)
for val in item.values():
val.add_observer(self)
return self
def __contains__(self, item):
return item in self._data
def __delitem__(self, name):
assert_str = 'This group of entity does not exist in this collection!'
assert any([key for key in name.keys() if key in self.keys()]), assert_str
self[name]._observers.delete(self)
for entity in self[name]:
entity.del_observer(self)
return super(Entities, self).__delitem__(name)
@property
def obs_pairs(self):
try:
return [y for x in self for y in x.obs_pairs]
except AttributeError:
print('OhOh (debug me)')
def by_pos(self, pos: (int, int)):
return self.pos_dict[pos]
@property
def positions(self):
return [k for k, v in self.pos_dict.items() for _ in v]
def is_occupied(self, pos):
return len([x for x in self.pos_dict[pos] if x.var_can_collide or x.var_is_blocking_pos]) >= 1