In Debugging

environments/factory/base/base_factory.py

@@ -27,7 +27,7 @@ class BaseFactory(gym.Env):
 
     @property
     def action_space(self):
-        return spaces.Discrete(self._actions.n)
+        return spaces.Discrete(len(self._actions))
 
     @property
     def observation_space(self):
@@ -69,6 +69,7 @@ class BaseFactory(gym.Env):
         self._level_shape = None
         self.verbose = verbose
         self._renderer = None  # expensive - don't use it when not required !
+        self._entities = Entities()
 
         self.n_agents = n_agents
 
@@ -92,6 +93,9 @@ class BaseFactory(gym.Env):
         # Reset
         self.reset()
 
+    def __getitem__(self, item):
+        return self._entities[item]
+
     def _base_init_env(self):
         # Objects
         entities = {}
@@ -116,7 +120,7 @@ class BaseFactory(gym.Env):
         entities.update({c.FLOOR: floor})
 
         # NOPOS
-        self.NO_POS_TILE = Tile(c.NO_POS, c.NO_POS.value)
+        self.NO_POS_TILE = Tile(c.NO_POS.value)
 
         # Doors
         parsed_doors = h.one_hot_level(parsed_level, c.DOOR)
@@ -145,7 +149,7 @@ class BaseFactory(gym.Env):
 
         if self.omit_agent_in_obs and self.n_agents == 1:
             del arrays[c.AGENT]
-        obs_cube_z = sum([a.shape[0] if not self._entities[key].is_per_agent else 1 for key, a in arrays.items()])
+        obs_cube_z = sum([a.shape[0] if not self[key].is_per_agent else 1 for key, a in arrays.items()])
         self._obs_cube = np.zeros((obs_cube_z, *self._level_shape), dtype=np.float32)
 
         # Optionally Pad this obs cube for pomdp cases
@@ -175,14 +179,14 @@ class BaseFactory(gym.Env):
         self.hook_pre_step()
 
         # Move this in a seperate function?
-        for action, agent in zip(actions, self._entities[c.AGENT]):
+        for action, agent in zip(actions, self[c.AGENT]):
             agent.clear_temp_sate()
             action_obj = self._actions[action]
             if self._actions.is_moving_action(action_obj):
                 valid = self._move_or_colide(agent, action_obj)
-            elif self._actions.is_no_op(action_obj):
+            elif h.EnvActions.NOOP == agent.temp_action:
-                valid = c.VALID.value
+                valid = c.VALID
-            elif self._actions.is_door_usage(action_obj):
+            elif h.EnvActions.USE_DOOR == action_obj:
                 valid = self._handle_door_interaction(agent)
             else:
                 valid = self.do_additional_actions(agent, action_obj)
@@ -206,7 +210,7 @@ class BaseFactory(gym.Env):
 
         # Step the door close intervall
         if self.parse_doors:
-            self._entities[c.DOORS].tick_doors()
+            self[c.DOORS].tick_doors()
 
         # Finalize
         reward, reward_info = self.calculate_reward()
@@ -224,53 +228,61 @@ class BaseFactory(gym.Env):
 
         return obs, reward, done, info
 
-    def _handle_door_interaction(self, agent):
+    def _handle_door_interaction(self, agent) -> c:
         # Check if agent really is standing on a door:
         if self.doors_have_area:
-            door = self._entities[c.DOORS].get_near_position(agent.pos)
+            door = self[c.DOORS].get_near_position(agent.pos)
         else:
-            door = self._entities[c.DOORS].by_pos(agent.pos)
+            door = self[c.DOORS].by_pos(agent.pos)
         if door is not None:
             door.use()
-            return c.VALID.value
+            return c.VALID
         # When he doesn't...
         else:
-            return c.NOT_VALID.value
+            return c.NOT_VALID
 
     def _get_observations(self) -> np.ndarray:
+        state_array_dict = self._entities.arrays
         if self.n_agents == 1:
-            obs = self._build_per_agent_obs(self._entities[c.AGENT][0])
+            obs = self._build_per_agent_obs(self[c.AGENT][0], state_array_dict)
         elif self.n_agents >= 2:
-            obs = np.stack([self._build_per_agent_obs(agent) for agent in self._entities[c.AGENT]])
+            obs = np.stack([self._build_per_agent_obs(agent, state_array_dict) for agent in self[c.AGENT]])
         else:
             raise ValueError('n_agents cannot be smaller than 1!!')
         return obs
 
-    def _build_per_agent_obs(self, agent: Agent) -> np.ndarray:
+    def _build_per_agent_obs(self, agent: Agent, state_array_dict) -> np.ndarray:
-        plain_arrays = self._entities.arrays
+        agent_pos_is_omitted = False
         if self.omit_agent_in_obs and self.n_agents == 1:
-            del plain_arrays[c.AGENT]
+            del state_array_dict[c.AGENT]
+        elif self.omit_agent_in_obs and self.combin_agent_obs and self.n_agents > 1:
+            state_array_dict[c.AGENT][0, agent.x, agent.y] -= agent.encoding
+            agent_pos_is_omitted = True
 
         running_idx, shadowing_idxs, can_be_shadowed_idxs = 0, [], []
 
-        for key, array in plain_arrays.items():
+        for key, array in state_array_dict.items():
-            if self._entities[key].is_per_agent:
+            # Flush state array object representation to obs cube
-                per_agent_idx = self._entities[key].get_idx_by_name(agent.name)
+            if self[key].is_per_agent:
+                per_agent_idx = self[key].get_idx_by_name(agent.name)
                 z = 1
-                self._obs_cube[running_idx: z] = array[per_agent_idx]
+                self._obs_cube[running_idx: running_idx+z] = array[per_agent_idx]
             else:
                 z = array.shape[0]
-                self._obs_cube[running_idx: z] = array
+                self._obs_cube[running_idx: running_idx+z] = array
             # Define which OBS SLices cast a Shadow
-            if self._entities[key].is_blocking_light:
+            if self[key].is_blocking_light:
                 for i in range(z):
                     shadowing_idxs.append(running_idx + i)
             # Define which OBS SLices are effected by shadows
-            if self._entities[key].can_be_shadowed:
+            if self[key].can_be_shadowed:
                 for i in range(z):
                     can_be_shadowed_idxs.append(running_idx + i)
             running_idx += z
 
+        if agent_pos_is_omitted:
+            state_array_dict[c.AGENT][0, agent.x, agent.y] += agent.encoding
+
         if r := self.pomdp_r:
             x, y = self._level_shape
             self._padded_obs_cube[:, r:r + x, r:r + y] = self._obs_cube
@@ -284,7 +296,7 @@ class BaseFactory(gym.Env):
         if self.cast_shadows:
             obs_block_light = [obs[idx] != c.OCCUPIED_CELL.value for idx in shadowing_idxs]
             door_shadowing = False
-            if door := self._entities[c.DOORS].by_pos(agent.pos):
+            if door := self[c.DOORS].by_pos(agent.pos):
                 if door.is_closed:
                     for group in door.connectivity_subgroups:
                         if agent.last_pos not in group:
@@ -319,7 +331,7 @@ class BaseFactory(gym.Env):
 
     def get_all_tiles_with_collisions(self) -> List[Tile]:
         tiles_with_collisions = list()
-        for tile in self._entities[c.FLOOR]:
+        for tile in self[c.FLOOR]:
             if tile.is_occupied():
                 guests = [guest for guest in tile.guests if guest.can_collide]
                 if len(guests) >= 2:
@@ -337,11 +349,11 @@ class BaseFactory(gym.Env):
 
     def _check_agent_move(self, agent, action: Action) -> (Tile, bool):
         # Actions
-        x_diff, y_diff = h.ACTIONMAP[action.name]
+        x_diff, y_diff = h.ACTIONMAP[action.identifier]
         x_new = agent.x + x_diff
         y_new = agent.y + y_diff
 
-        new_tile = self._entities[c.FLOOR].by_pos((x_new, y_new))
+        new_tile = self[c.FLOOR].by_pos((x_new, y_new))
         if new_tile:
             valid = c.VALID
         else:
@@ -350,13 +362,13 @@ class BaseFactory(gym.Env):
             return tile, valid
 
         if self.parse_doors and agent.last_pos != c.NO_POS:
-            if door := self._entities[c.DOORS].by_pos(new_tile.pos):
+            if door := self[c.DOORS].by_pos(new_tile.pos):
                 if door.can_collide:
                     return agent.tile, c.NOT_VALID
                 else:  # door.is_closed:
                     pass
 
-            if door := self._entities[c.DOORS].by_pos(agent.pos):
+            if door := self[c.DOORS].by_pos(agent.pos):
                 if door.is_open:
                     pass
                 else:  # door.is_closed:
@@ -376,7 +388,7 @@ class BaseFactory(gym.Env):
         info_dict = dict()
         reward = 0
 
-        for agent in self._entities[c.AGENT]:
+        for agent in self[c.AGENT]:
             if self._actions.is_moving_action(agent.temp_action):
                 if agent.temp_valid:
                     # info_dict.update(movement=1)
@@ -387,7 +399,7 @@ class BaseFactory(gym.Env):
                     self.print(f'{agent.name} just hit the wall at {agent.pos}.')
                     info_dict.update({f'{agent.name}_vs_LEVEL': 1})
 
-            elif self._actions.is_door_usage(agent.temp_action):
+            elif h.EnvActions.USE_DOOR == agent.temp_action:
                 if agent.temp_valid:
                     self.print(f'{agent.name} did just use the door at {agent.pos}.')
                     info_dict.update(door_used=1)
@@ -396,7 +408,7 @@ class BaseFactory(gym.Env):
                     self.print(f'{agent.name} just tried to use a door at {agent.pos}, but failed.')
                     info_dict.update({f'{agent.name}_failed_action': 1})
                     info_dict.update({f'{agent.name}_failed_door_open': 1})
-            elif self._actions.is_no_op(agent.temp_action):
+            elif h.EnvActions.NOOP == agent.temp_action:
                 info_dict.update(no_op=1)
                 reward -= 0.00
 
@@ -415,15 +427,15 @@ class BaseFactory(gym.Env):
             height, width = self._obs_cube.shape[1:]
             self._renderer = Renderer(width, height, view_radius=self.pomdp_r, fps=5)
 
-        walls = [RenderEntity('wall', wall.pos) for wall in self._entities[c.WALLS]]
+        walls = [RenderEntity('wall', wall.pos) for wall in self[c.WALLS]]
 
         agents = []
-        for i, agent in enumerate(self._entities[c.AGENT]):
+        for i, agent in enumerate(self[c.AGENT]):
             name, state = h.asset_str(agent)
             agents.append(RenderEntity(name, agent.pos, 1, 'none', state, i + 1, agent.temp_light_map))
         doors = []
         if self.parse_doors:
-            for i, door in enumerate(self._entities[c.DOORS]):
+            for i, door in enumerate(self[c.DOORS]):
                 name, state = 'door_open' if door.is_open else 'door_closed', 'blank'
                 doors.append(RenderEntity(name, door.pos, 1, 'none', state, i + 1))
         additional_assets = self.render_additional_assets()
@@ -442,7 +454,7 @@ class BaseFactory(gym.Env):
     def _summarize_state(self):
         summary = {f'{REC_TAC}_step': self._steps}
 
-        self._entities[c.WALLS].summarize_state()
+        self[c.WALLS].summarize_state()
         for entity in self._entities:
             if hasattr(entity, 'summarize_state'):
                 summary.update({f'{REC_TAC}_{entity.name}': entity.summarize_state()})
@@ -484,7 +496,7 @@ class BaseFactory(gym.Env):
         return {}
 
     @abc.abstractmethod
-    def do_additional_actions(self, agent: Agent, action: int) -> Union[None, bool]:
+    def do_additional_actions(self, agent: Agent, action: Action) -> Union[None, c]:
         return None
 
     @abc.abstractmethod

environments/factory/base/objects.py

@@ -1,3 +1,6 @@
+from enum import Enum
+from typing import Union
+
 import networkx as nx
 import numpy as np
 from environments.helpers import Constants as c
@@ -6,6 +9,8 @@ import itertools
 
 class Object:
 
+    _u_idx = 0
+
     def __bool__(self):
         return True
 
@@ -17,21 +22,41 @@ class Object:
     def name(self):
         return self._name
 
-    def __init__(self, name, name_is_identifier=False, is_blocking_light=False, **kwargs):
+    @property
-        name = name.name if hasattr(name, 'name') else name
+    def identifier(self):
-        self._name = f'{self.__class__.__name__}#{name}' if name_is_identifier else name
+        return self._enum_ident
+
+    def __init__(self, enum_ident: Union[Enum, None] = None, is_blocking_light=False, **kwargs):
+        self._enum_ident = enum_ident
+        if self._enum_ident is not None:
+            self._name = f'{self.__class__.__name__}[{self._enum_ident.name}]'
+        else:
+            self._name = f'{self.__class__.__name__}#{self._u_idx}'
+        Object._u_idx += 1
         self._is_blocking_light = is_blocking_light
         if kwargs:
             print(f'Following kwargs were passed, but ignored: {kwargs}')
 
     def __repr__(self):
-        return f'{self.__class__.__name__}({self.name})'
+        return f'{self.name}'
+
+    def __eq__(self, other) -> bool:
+        if self._enum_ident is not None:
+            if isinstance(other, Enum):
+                return other == self._enum_ident
+            elif isinstance(other, Object):
+                return other._enum_ident == self._enum_ident
+            else:
+                raise ValueError('Must be evaluated against an Enunm Identifier or Object with such.')
+        else:
+            assert isinstance(other, Object), ' This Object can only be compared to other Objects.'
+            return other.name == self.name
 
 
 class Action(Object):
 
-    def __init__(self, *args):
+    def __init__(self, *args, **kwargs):
-        super(Action, self).__init__(*args)
+        super(Action, self).__init__(*args, **kwargs)
 
 
 class Tile(Object):
@@ -56,8 +81,8 @@ class Tile(Object):
     def pos(self):
         return self._pos
 
-    def __init__(self, i, pos, **kwargs):
+    def __init__(self, pos, **kwargs):
-        super(Tile, self).__init__(i, **kwargs)
+        super(Tile, self).__init__(**kwargs)
         self._guests = dict()
         self._pos = tuple(pos)
 
@@ -84,6 +109,9 @@ class Tile(Object):
             return False
         return True
 
+    def __repr__(self):
+        return f'{self.name}(@{self.pos})'
+
 
 class Wall(Tile):
     pass
@@ -97,7 +125,7 @@ class Entity(Object):
 
     @property
     def encoding(self):
-        return 1
+        return c.OCCUPIED_CELL.value
 
     @property
     def x(self):
@@ -115,14 +143,17 @@ class Entity(Object):
     def tile(self):
         return self._tile
 
-    def __init__(self, identifier, tile: Tile, **kwargs):
+    def __init__(self, tile: Tile, **kwargs):
-        super(Entity, self).__init__(identifier, **kwargs)
+        super(Entity, self).__init__(**kwargs)
         self._tile = tile
         tile.enter(self)
 
     def summarize_state(self):
         return self.__dict__.copy()
 
+    def __repr__(self):
+        return f'{self.name}(@{self.pos})'
+
 
 class Door(Entity):
 

environments/factory/base/registers.py

@@ -1,6 +1,5 @@
 import random
 from abc import ABC
-from enum import Enum
 from typing import List, Union, Dict
 
 import numpy as np
@@ -18,13 +17,8 @@ class Register:
     def name(self):
         return self.__class__.__name__
 
-    @property
-    def n(self):
-        return len(self)
-
     def __init__(self, *args, **kwargs):
         self._register = dict()
-        self._names = dict()
 
     def __len__(self):
         return len(self._register)
@@ -36,9 +30,7 @@ class Register:
         assert isinstance(other, self._accepted_objects), f'All item names have to be of type ' \
                                                           f'{self._accepted_objects}, ' \
                                                           f'but were {other.__class__}.,'
-        new_idx = len(self._register)
+        self._register.update({other.name: other})
-        self._names.update({other.name: new_idx})
-        self._register.update({new_idx: other})
         return self
 
     def register_additional_items(self, others: List[_accepted_objects]):
@@ -56,31 +48,16 @@ class Register:
         return self._register.items()
 
     def __getitem__(self, item):
-        try:
+        if isinstance(item, int):
-            return self._register[item]
+            try:
-        except KeyError as e:
+                return next(v for i, v in enumerate(self._register.values()) if i == item)
-            print('NO')
+            except StopIteration:
-            print(e)
+                return None
-            raise
+        return self._register[item]
-
-    def by_name(self, item):
-        return self[self._names[item]]
-
-    def by_enum(self, enum_obj: Enum):
-        return self[self._names[enum_obj.name]]
 
     def __repr__(self):
         return f'{self.__class__.__name__}({self._register})'
 
-    def get_name(self, item):
-        return self._register[item].name
-
-    def get_idx_by_name(self, item):
-        return self._names[item]
-
-    def get_idx(self, enum_obj: Enum):
-        return self._names[enum_obj.name]
-
 
 class ObjectRegister(Register):
     def __init__(self, level_shape: (int, int), *args, individual_slices=False, is_per_agent=False, **kwargs):
@@ -96,7 +73,7 @@ class ObjectRegister(Register):
             self._array = np.zeros((1, *self._level_shape))
         else:
             if self.individual_slices:
-                self._array = np.concatenate((self._array, np.zeros(1, *self._level_shape)))
+                self._array = np.concatenate((self._array, np.zeros((1, *self._level_shape))))
 
 
 class EntityObjectRegister(ObjectRegister, ABC):
@@ -107,8 +84,8 @@ class EntityObjectRegister(ObjectRegister, ABC):
     @classmethod
     def from_tiles(cls, tiles, *args, **kwargs):
         # objects_name = cls._accepted_objects.__name__
-        entities = [cls._accepted_objects(i, tile, name_is_identifier=True, **kwargs)
+        entities = [cls._accepted_objects(tile, **kwargs)
-                    for i, tile in enumerate(tiles)]
+                    for tile in tiles]
         register_obj = cls(*args)
         register_obj.register_additional_items(entities)
         return register_obj
@@ -119,7 +96,7 @@ class EntityObjectRegister(ObjectRegister, ABC):
 
     @property
     def positions(self):
-        return list(self._tiles.keys())
+        return [x.pos for x in self]
 
     @property
     def tiles(self):
@@ -128,25 +105,15 @@ class EntityObjectRegister(ObjectRegister, ABC):
     def __init__(self, *args, is_blocking_light=False, is_observable=True, can_be_shadowed=True, **kwargs):
         super(EntityObjectRegister, self).__init__(*args, **kwargs)
         self.can_be_shadowed = can_be_shadowed
-        self._tiles = dict()
         self.is_blocking_light = is_blocking_light
         self.is_observable = is_observable
 
-    def register_item(self, other):
-        super(EntityObjectRegister, self).register_item(other)
-        self._tiles[other.pos] = other
-
-    def register_additional_items(self, others):
-        for other in others:
-            self.register_item(other)
-        return self
-
     def by_pos(self, pos):
         if isinstance(pos, np.ndarray):
             pos = tuple(pos)
         try:
-            return self._tiles[pos]
+            return next(item for item in self.values() if item.pos == pos)
-        except KeyError:
+        except StopIteration:
             return None
 
 
@@ -159,12 +126,14 @@ class MovingEntityObjectRegister(EntityObjectRegister, ABC):
         if isinstance(pos, np.ndarray):
             pos = tuple(pos)
         try:
-            return [x for x in self if x == pos][0]
+            return next(x for x in self if x.pos == pos)
-        except IndexError:
+        except StopIteration:
             return None
 
     def delete_item(self, item):
-        self
+        if not isinstance(item, str):
+            item = item.name
+        del self._register[item]
 
 
 class Entities(Register):
@@ -186,7 +155,7 @@ class Entities(Register):
         return iter([x for sublist in self.values() for x in sublist])
 
     def register_item(self, other: dict):
-        assert not any([key for key in other.keys() if key in self._names]), \
+        assert not any([key for key in other.keys() if key in self.keys()]), \
             "This group of entities has already been registered!"
         self._register.update(other)
         return self
@@ -206,7 +175,8 @@ class WallTiles(EntityObjectRegister):
         return self._array
 
     def __init__(self, *args, **kwargs):
-        super(WallTiles, self).__init__(*args, individual_slices=False, is_blocking_light=self._light_blocking, **kwargs)
+        super(WallTiles, self).__init__(*args, individual_slices=False,
+                                        is_blocking_light=self._light_blocking, **kwargs)
 
     @property
     def encoding(self):
@@ -221,8 +191,8 @@ class WallTiles(EntityObjectRegister):
         tiles = cls(*args, **kwargs)
         # noinspection PyTypeChecker
         tiles.register_additional_items(
-            [cls._accepted_objects(i, pos, name_is_identifier=True, is_blocking_light=cls._light_blocking)
+            [cls._accepted_objects(pos, is_blocking_light=cls._light_blocking)
-             for i, pos in enumerate(argwhere_coordinates)]
+             for pos in argwhere_coordinates]
         )
         return tiles
 
@@ -237,7 +207,7 @@ class FloorTiles(WallTiles):
     _light_blocking = False
 
     def __init__(self, *args, **kwargs):
-        super(self.__class__, self).__init__(*args, is_observable=False, **kwargs)
+        super(FloorTiles, self).__init__(*args, is_observable=False, **kwargs)
 
     @property
     def encoding(self):
@@ -265,8 +235,11 @@ class Agents(MovingEntityObjectRegister):
     def as_array(self):
         self._array[:] = c.FREE_CELL.value
         # noinspection PyTupleAssignmentBalance
-        z, x, y = range(len(self)), *zip(*[x.pos for x in self])
+        for z, x, y, v in zip(range(len(self)), *zip(*[x.pos for x in self]), [x.encoding for x in self]):
-        self._array[z, x, y] = c.OCCUPIED_CELL.value
+            if self.individual_slices:
+                self._array[z, x, y] += v
+            else:
+                self._array[0, x, y] += v
         if self.individual_slices:
             return self._array
         else:
@@ -293,9 +266,9 @@ class Doors(EntityObjectRegister):
     _accepted_objects = Door
 
     def get_near_position(self, position: (int, int)) -> Union[None, Door]:
-        if found_doors := [door for door in self if position in door.access_area]:
+        try:
-            return found_doors[0]
+            return next(door for door in self if position in door.access_area)
-        else:
+        except StopIteration:
             return None
 
     def tick_doors(self):
@@ -320,39 +293,23 @@ class Actions(Register):
         super(Actions, self).__init__()
 
         if self.allow_square_movement:
-            self.register_additional_items([self._accepted_objects(direction) for direction in h.ManhattanMoves])
+            self.register_additional_items([self._accepted_objects(enum_ident=direction)
+                                            for direction in h.ManhattanMoves])
         if self.allow_diagonal_movement:
-            self.register_additional_items([self._accepted_objects(direction) for direction in h.DiagonalMoves])
+            self.register_additional_items([self._accepted_objects(enum_ident=direction)
+                                            for direction in h.DiagonalMoves])
         self._movement_actions = self._register.copy()
         if self.can_use_doors:
-            self.register_additional_items([self._accepted_objects(h.EnvActions.USE_DOOR)])
+            self.register_additional_items([self._accepted_objects(enum_ident=h.EnvActions.USE_DOOR)])
         if self.allow_no_op:
-            self.register_additional_items([self._accepted_objects(h.EnvActions.NOOP)])
+            self.register_additional_items([self._accepted_objects(enum_ident=h.EnvActions.NOOP)])
 
     def is_moving_action(self, action: Union[int]):
         return action in self.movement_actions.values()
 
-    def is_no_op(self, action: Union[str, Action, int]):
-        if isinstance(action, int):
-            action = self[action]
-        if isinstance(action, Action):
-            action = action.name
-        return action == h.EnvActions.NOOP.name
-
-    def is_door_usage(self, action: Union[str, int]):
-        if isinstance(action, int):
-            action = self[action]
-        if isinstance(action, Action):
-            action = action.name
-        return action == h.EnvActions.USE_DOOR.name
-
 
 class Zones(Register):
 
-    @property
-    def danger_zone(self):
-        return self._zone_slices[self.by_enum(c.DANGER_ZONE)]
-
     @property
     def accounting_zones(self):
         return [self[idx] for idx, name in self.items() if name != c.DANGER_ZONE.value]
@@ -380,11 +337,5 @@ class Zones(Register):
     def __getitem__(self, item):
         return self._zone_slices[item]
 
-    def get_name(self, item):
-        return self._register[item]
-
-    def by_name(self, item):
-        return self[super(Zones, self).by_name(item)]
-
     def register_additional_items(self, other: Union[str, List[str]]):
-        raise AttributeError('You are not allowed to add additional Zones in runtime.')
+        raise AttributeError('You are not allowed to add additional Zones in runtime.')

environments/factory/double_task_factory.py

@@ -100,7 +100,7 @@ class Inventories(ObjectRegister):
     can_be_shadowed = False
 
     def __init__(self, *args, **kwargs):
-        super(Inventories, self).__init__(*args, is_per_agent=True, **kwargs)
+        super(Inventories, self).__init__(*args, is_per_agent=True, individual_slices=True, **kwargs)
         self.is_observable = True
 
     def as_array(self):
@@ -132,10 +132,10 @@ class DropOffLocation(Entity):
     def place_item(self, item):
         if self.is_full:
             raise RuntimeWarning("There is currently no way to clear the storage or make it unfull.")
-            return False
+            return c.NOT_VALID
         else:
             self.storage.append(item)
-            return True
+            return c.VALID
 
     @property
     def is_full(self):
@@ -166,56 +166,48 @@ class ItemProperties(NamedTuple):
 # noinspection PyAttributeOutsideInit, PyAbstractClass
 class DoubleTaskFactory(SimpleFactory):
     # noinspection PyMissingConstructor
-    def __init__(self, item_properties: ItemProperties, *args, with_dirt=False, env_seed=time.time_ns(), **kwargs):
+    def __init__(self, item_properties: ItemProperties, *args, env_seed=time.time_ns(), **kwargs):
         self.item_properties = item_properties
         kwargs.update(env_seed=env_seed)
         self._item_rng = np.random.default_rng(env_seed)
         assert item_properties.n_items < kwargs.get('pomdp_r', 0) ** 2 or not kwargs.get('pomdp_r', 0)
-        self._super = DoubleTaskFactory if with_dirt else SimpleFactory
+        super(DoubleTaskFactory, self).__init__(*args, **kwargs)
-        super(self._super, self).__init__(*args, **kwargs)
 
     @property
     def additional_actions(self) -> Union[Action, List[Action]]:
         # noinspection PyUnresolvedReferences
-        super_actions = super(self._super, self).additional_actions
+        super_actions = super(DoubleTaskFactory, self).additional_actions
-        super_actions.append(Action(h.EnvActions.ITEM_ACTION))
+        super_actions.append(Action(enum_ident=h.EnvActions.ITEM_ACTION))
         return super_actions
 
     @property
     def additional_entities(self) -> Dict[(Enum, Entities)]:
         # noinspection PyUnresolvedReferences
-        super_entities = super(self._super, self).additional_entities
+        super_entities = super(DoubleTaskFactory, self).additional_entities
 
-        empty_tiles = self._entities[c.FLOOR].empty_tiles[:self.item_properties.n_drop_off_locations]
+        empty_tiles = self[c.FLOOR].empty_tiles[:self.item_properties.n_drop_off_locations]
         drop_offs = DropOffLocations.from_tiles(empty_tiles, self._level_shape,
                                                 storage_size_until_full=self.item_properties.max_dropoff_storage_size)
         item_register = ItemRegister(self._level_shape)
-        empty_tiles = self._entities[c.FLOOR].empty_tiles[:self.item_properties.n_items]
+        empty_tiles = self[c.FLOOR].empty_tiles[:self.item_properties.n_items]
         item_register.spawn_items(empty_tiles)
 
         inventories = Inventories(self._level_shape)
-        inventories.spawn_inventories(self._entities[c.AGENT], self.pomdp_r,
+        inventories.spawn_inventories(self[c.AGENT], self.pomdp_r,
                                       self.item_properties.max_agent_inventory_capacity)
 
         super_entities.update({c.DROP_OFF: drop_offs, c.ITEM: item_register, c.INVENTORY: inventories})
         return super_entities
 
-    def _is_item_action(self, action):
-        if isinstance(action, int):
-            action = self._actions[action]
-        if isinstance(action, Action):
-            action = action.name
-        return action == h.EnvActions.ITEM_ACTION.name
-
     def do_item_action(self, agent: Agent):
-        inventory = self._entities[c.INVENTORY].by_name(agent.name)
+        inventory = self[c.INVENTORY].by_name(agent.name)
-        if drop_off := self._entities[c.DROP_OFF].by_pos(agent.pos):
+        if drop_off := self[c.DROP_OFF].by_pos(agent.pos):
             if inventory:
                 valid = drop_off.place_item(inventory.pop(0))
                 return valid
             else:
                 return c.NOT_VALID
-        elif item := self._entities[c.ITEM].by_pos(agent.pos):
+        elif item := self[c.ITEM].by_pos(agent.pos):
             try:
                 inventory.append(item)
                 item.move(self.NO_POS_TILE)
@@ -225,16 +217,16 @@ class DoubleTaskFactory(SimpleFactory):
         else:
             return c.NOT_VALID
 
-    def do_additional_actions(self, agent: Agent, action: int) -> Union[None, bool]:
+    def do_additional_actions(self, agent: Agent, action: Action) -> Union[None, c]:
         # noinspection PyUnresolvedReferences
-        valid = super(self._super, self).do_additional_actions(agent, action)
+        valid = super(DoubleTaskFactory, self).do_additional_actions(agent, action)
         if valid is None:
-            if self._is_item_action(action):
+            if action == h.EnvActions.ITEM_ACTION:
                 if self.item_properties.agent_can_interact:
                     valid = self.do_item_action(agent)
-                    return bool(valid)
+                    return valid
                 else:
-                    return False
+                    return c.NOT_VALID
             else:
                 return None
         else:
@@ -242,14 +234,14 @@ class DoubleTaskFactory(SimpleFactory):
 
     def do_additional_reset(self) -> None:
         # noinspection PyUnresolvedReferences
-        super(self._super, self).do_additional_reset()
+        super(DoubleTaskFactory, self).do_additional_reset()
         self._next_item_spawn = self.item_properties.spawn_frequency
         self.trigger_item_spawn()
 
     def trigger_item_spawn(self):
-        if item_to_spawns := max(0, (self.item_properties.n_items - len(self._entities[c.ITEM]))):
+        if item_to_spawns := max(0, (self.item_properties.n_items - len(self[c.ITEM]))):
-            empty_tiles = self._entities[c.FLOOR].empty_tiles[:item_to_spawns]
+            empty_tiles = self[c.FLOOR].empty_tiles[:item_to_spawns]
-            self._entities[c.ITEM].spawn_items(empty_tiles)
+            self[c.ITEM].spawn_items(empty_tiles)
             self._next_item_spawn = self.item_properties.spawn_frequency
             self.print(f'{item_to_spawns} new items have been spawned; next spawn in {self._next_item_spawn}')
         else:
@@ -257,7 +249,7 @@ class DoubleTaskFactory(SimpleFactory):
 
     def do_additional_step(self) -> dict:
         # noinspection PyUnresolvedReferences
-        info_dict = super(self._super, self).do_additional_step()
+        info_dict = super(DoubleTaskFactory, self).do_additional_step()
         if not self._next_item_spawn:
             self.trigger_item_spawn()
         else:
@@ -266,10 +258,10 @@ class DoubleTaskFactory(SimpleFactory):
 
     def calculate_additional_reward(self, agent: Agent) -> (int, dict):
         # noinspection PyUnresolvedReferences
-        reward, info_dict = super(self._super, self).calculate_additional_reward(agent)
+        reward, info_dict = super(DoubleTaskFactory, self).calculate_additional_reward(agent)
-        if self._is_item_action(agent.temp_action):
+        if h.EnvActions.ITEM_ACTION == agent.temp_action:
             if agent.temp_valid:
-                if self._entities[c.DROP_OFF].by_pos(agent.pos):
+                if self[c.DROP_OFF].by_pos(agent.pos):
                     info_dict.update({f'{agent.name}_item_dropoff': 1})
 
                     reward += 1
@@ -283,10 +275,10 @@ class DoubleTaskFactory(SimpleFactory):
 
     def render_additional_assets(self, mode='human'):
         # noinspection PyUnresolvedReferences
-        additional_assets = super(self._super, self).render_additional_assets()
+        additional_assets = super(DoubleTaskFactory, self).render_additional_assets()
-        items = [RenderEntity(c.ITEM.value, item.tile.pos) for item in self._entities[c.ITEM]]
+        items = [RenderEntity(c.ITEM.value, item.tile.pos) for item in self[c.ITEM]]
         additional_assets.extend(items)
-        drop_offs = [RenderEntity(c.DROP_OFF.value, drop_off.tile.pos) for drop_off in self._entities[c.DROP_OFF]]
+        drop_offs = [RenderEntity(c.DROP_OFF.value, drop_off.tile.pos) for drop_off in self[c.DROP_OFF]]
         additional_assets.extend(drop_offs)
         return additional_assets
 
@@ -297,8 +289,8 @@ if __name__ == '__main__':
 
     item_props = ItemProperties()
 
-    factory = DoubleTaskFactory(item_props, n_agents=1, done_at_collision=False, frames_to_stack=0,
+    factory = DoubleTaskFactory(item_props, n_agents=3, done_at_collision=False, frames_to_stack=0,
-                                level_name='rooms', max_steps=400,
+                                level_name='rooms', max_steps=4000,
                                 omit_agent_slice_in_obs=True, parse_doors=True, pomdp_r=3,
                                 record_episodes=False, verbose=False
                                 )

environments/factory/simple_factory.py

@@ -8,7 +8,7 @@ import numpy as np
 from environments.helpers import Constants as c
 from environments import helpers as h
 from environments.factory.base.base_factory import BaseFactory
-from environments.factory.base.objects import Agent, Action, Entity
+from environments.factory.base.objects import Agent, Action, Entity, Tile
 from environments.factory.base.registers import Entities, MovingEntityObjectRegister
 
 from environments.factory.renderer import RenderEntity
@@ -85,19 +85,21 @@ class DirtRegister(MovingEntityObjectRegister):
         super(DirtRegister, self).__init__(*args)
         self._dirt_properties: DirtProperties = dirt_properties
 
-    def spawn_dirt(self, then_dirty_tiles) -> None:
+    def spawn_dirt(self, then_dirty_tiles) -> c:
-        if not self.amount > self.dirt_properties.max_global_amount:
+        if isinstance(then_dirty_tiles, Tile):
-            # randomly distribute dirt across the grid
+            then_dirty_tiles = [then_dirty_tiles]
-            for tile in then_dirty_tiles:
+        for tile in then_dirty_tiles:
+            if not self.amount > self.dirt_properties.max_global_amount:
                 dirt = self.by_pos(tile.pos)
                 if dirt is None:
-                    dirt = Dirt(0, tile, amount=self.dirt_properties.gain_amount)
+                    dirt = Dirt(tile, amount=self.dirt_properties.gain_amount)
                     self.register_item(dirt)
                 else:
                     new_value = dirt.amount + self.dirt_properties.gain_amount
                     dirt.set_new_amount(min(new_value, self.dirt_properties.max_local_amount))
-        else:
+            else:
-            pass
+                return c.NOT_VALID
+        return c.VALID
 
 
 def softmax(x):
@@ -117,7 +119,7 @@ class SimpleFactory(BaseFactory):
     def additional_actions(self) -> Union[Action, List[Action]]:
         super_actions = super(SimpleFactory, self).additional_actions
         if self.dirt_properties.agent_can_interact:
-            super_actions.append(Action(CLEAN_UP_ACTION))
+            super_actions.append(Action(enum_ident=CLEAN_UP_ACTION))
         return super_actions
 
     @property
@@ -127,13 +129,6 @@ class SimpleFactory(BaseFactory):
         super_entities.update(({c.DIRT: dirt_register}))
         return super_entities
 
-    def _is_clean_up_action(self, action: Union[str, Action, int]):
-        if isinstance(action, int):
-            action = self._actions[action]
-        if isinstance(action, Action):
-            action = action.name
-        return action == CLEAN_UP_ACTION.name
-
     def __init__(self, *args, dirt_properties: DirtProperties = DirtProperties(), env_seed=time.time_ns(), **kwargs):
         self.dirt_properties = dirt_properties
         self._dirt_rng = np.random.default_rng(env_seed)
@@ -144,38 +139,43 @@ class SimpleFactory(BaseFactory):
     def render_additional_assets(self, mode='human'):
         additional_assets = super(SimpleFactory, self).render_additional_assets()
         dirt = [RenderEntity('dirt', dirt.tile.pos, min(0.15 + dirt.amount, 1.5), 'scale')
-                for dirt in self._entities[c.DIRT]]
+                for dirt in self[c.DIRT]]
         additional_assets.extend(dirt)
         return additional_assets
 
-    def clean_up(self, agent: Agent) -> bool:
+    def clean_up(self, agent: Agent) -> c:
-        if dirt := self._entities[c.DIRT].by_pos(agent.pos):
+        if dirt := self[c.DIRT].by_pos(agent.pos):
             new_dirt_amount = dirt.amount - self.dirt_properties.clean_amount
-            dirt.set_new_amount(max(new_dirt_amount, c.FREE_CELL.value))
+
-            return True
+            if new_dirt_amount <= 0:
+                self[c.DIRT].delete_item(dirt)
+            else:
+                dirt.set_new_amount(max(new_dirt_amount, c.FREE_CELL.value))
+            return c.VALID
         else:
-            return False
+            return c.NOT_VALID
 
     def trigger_dirt_spawn(self):
-        free_for_dirt = self._entities[c.FLOOR].empty_tiles
+        free_for_dirt = self[c.FLOOR].empty_tiles
         new_spawn = self._dirt_rng.uniform(0, self.dirt_properties.max_spawn_ratio)
         n_dirt_tiles = max(0, int(new_spawn * len(free_for_dirt)))
-        self._entities[c.DIRT].spawn_dirt(free_for_dirt[:n_dirt_tiles])
+        self[c.DIRT].spawn_dirt(free_for_dirt[:n_dirt_tiles])
 
     def do_additional_step(self) -> dict:
         info_dict = super(SimpleFactory, self).do_additional_step()
         if smear_amount := self.dirt_properties.dirt_smear_amount:
-            for agent in self._entities[c.AGENT]:
+            for agent in self[c.AGENT]:
                 if agent.temp_valid and agent.last_pos != c.NO_POS:
-                    if old_pos_dirt := self._entities[c.DIRT].by_pos(agent.last_pos):
+                    if self._actions.is_moving_action(agent.temp_action):
-                        if smeared_dirt := round(old_pos_dirt.amount * smear_amount, 2):
+                        if old_pos_dirt := self[c.DIRT].by_pos(agent.last_pos):
-                            old_pos_dirt.set_new_amount(max(0, old_pos_dirt.amount-smeared_dirt))
+                            if smeared_dirt := round(old_pos_dirt.amount * smear_amount, 2):
-                            if new_pos_dirt := self._entities[c.DIRT].by_pos(agent.pos):
+                                old_pos_dirt.set_new_amount(max(0, old_pos_dirt.amount-smeared_dirt))
-                                new_pos_dirt.set_new_amount(max(0, new_pos_dirt.amount + smeared_dirt))
+                                if new_pos_dirt := self[c.DIRT].by_pos(agent.pos):
-                            else:
+                                    new_pos_dirt.set_new_amount(max(0, new_pos_dirt.amount + smeared_dirt))
-                                self._entities[c.Dirt].spawn_dirt(agent.tile)
+                                else:
-                                new_pos_dirt = self._entities[c.DIRT].by_pos(agent.pos)
+                                    if self[c.DIRT].spawn_dirt(agent.tile):
-                                new_pos_dirt.set_new_amount(max(0, new_pos_dirt.amount + smeared_dirt))
+                                        new_pos_dirt = self[c.DIRT].by_pos(agent.pos)
+                                        new_pos_dirt.set_new_amount(max(0, new_pos_dirt.amount + smeared_dirt))
 
         if not self._next_dirt_spawn:
             self.trigger_dirt_spawn()
@@ -184,15 +184,15 @@ class SimpleFactory(BaseFactory):
             self._next_dirt_spawn -= 1
         return info_dict
 
-    def do_additional_actions(self, agent: Agent, action: int) -> Union[None, bool]:
+    def do_additional_actions(self, agent: Agent, action: Action) -> Union[None, c]:
         valid = super(SimpleFactory, self).do_additional_actions(agent, action)
         if valid is None:
-            if self._is_clean_up_action(action):
+            if action == CLEAN_UP_ACTION:
                 if self.dirt_properties.agent_can_interact:
                     valid = self.clean_up(agent)
                     return valid
                 else:
-                    return False
+                    return c.NOT_VALID
             else:
                 return None
         else:
@@ -205,7 +205,7 @@ class SimpleFactory(BaseFactory):
 
     def calculate_additional_reward(self, agent: Agent) -> (int, dict):
         reward, info_dict = super(SimpleFactory, self).calculate_additional_reward(agent)
-        dirt = [dirt.amount for dirt in self._entities[c.DIRT]]
+        dirt = [dirt.amount for dirt in self[c.DIRT]]
         current_dirt_amount = sum(dirt)
         dirty_tile_count = len(dirt)
         if dirty_tile_count:
@@ -220,7 +220,7 @@ class SimpleFactory(BaseFactory):
         if agent.temp_collisions:
             self.print(f't = {self._steps}\t{agent.name} has collisions with {agent.temp_collisions}')
 
-        if self._is_clean_up_action(agent.temp_action):
+        if agent.temp_action == CLEAN_UP_ACTION:
             if agent.temp_valid:
                 reward += 0.5
                 self.print(f'{agent.name} did just clean up some dirt at {agent.pos}.')
@@ -245,7 +245,7 @@ if __name__ == '__main__':
 
     factory = SimpleFactory(n_agents=1, done_at_collision=False, frames_to_stack=0,
                             level_name='rooms', max_steps=400,
-                            omit_agent_slice_in_obs=True, parse_doors=True, pomdp_r=3,
+                            omit_agent_slice_in_obs=True, parse_doors=True, pomdp_r=2,
                             record_episodes=False, verbose=False
                             )
 

environments/helpers.py

@@ -27,13 +27,13 @@ class Constants(Enum):
     NO_POS          = (-9999, -9999)
 
     DOORS           = 'Doors'
-    CLOSED_DOOR     = 1
+    CLOSED_DOOR     = 'closed'
-    OPEN_DOOR       = -1
+    OPEN_DOOR       = 'open'
 
-    ACTION          = auto()
+    ACTION          = 'action'
-    COLLISIONS      = auto()
+    COLLISIONS      = 'collision'
-    VALID           = True
+    VALID           = 'valid'
-    NOT_VALID       = False
+    NOT_VALID       = 'not_valid'
 
     # Dirt Env
     DIRT            = 'Dirt'
@@ -44,7 +44,10 @@ class Constants(Enum):
     DROP_OFF        = 'Drop_Off'
 
     def __bool__(self):
-        return bool(self.value)
+        if 'not_' in self.value:
+            return False
+        else:
+            return bool(self.value)
 
 
 class ManhattanMoves(Enum):
@@ -72,10 +75,10 @@ d = DiagonalMoves
 m = ManhattanMoves
 c = Constants
 
-ACTIONMAP = defaultdict(lambda: (0, 0), {m.NORTH.name: (-1, 0), d.NORTHEAST.name: (-1, +1),
+ACTIONMAP = defaultdict(lambda: (0, 0), {m.NORTH: (-1, 0), d.NORTHEAST: (-1, +1),
-                                         m.EAST.name: (0, 1),   d.SOUTHEAST.name: (1, 1),
+                                         m.EAST: (0, 1),   d.SOUTHEAST: (1, 1),
-                                         m.SOUTH.name: (1, 0),  d.SOUTHWEST.name: (+1, -1),
+                                         m.SOUTH: (1, 0),  d.SOUTHWEST: (+1, -1),
-                                         m.WEST.name: (0, -1),  d.NORTHWEST.name: (-1, -1)
+                                         m.WEST: (0, -1),  d.NORTHWEST: (-1, -1)
                                          }
                         )
 

main.py

@@ -116,7 +116,7 @@ if __name__ == '__main__':
                                pomdp_radius=2, max_steps=500, parse_doors=True,
                                level_name='rooms', frames_to_stack=3,
                                omit_agent_slice_in_obs=True, combin_agent_slices_in_obs=True, record_episodes=False,
-                               cast_shadows=True, doors_have_area=False, seed=seed
+                               cast_shadows=True, doors_have_area=False, seed=seed, verbose=True,
                                ) as env:
 
                 if modeL_type.__name__ in ["PPO", "A2C"]: