bugfixes

marl_factory_grid/modules/batteries/groups.py

@@ -20,7 +20,7 @@ class Batteries(Collection):
 
     @property
     def var_has_position(self):
-        return True
+        return False
 
     @property
     def obs_tag(self):

marl_factory_grid/modules/destinations/rules.py

@@ -36,7 +36,6 @@ class DestinationReachAll(Rule):
                 results.append(TickResult(self.name, validity=c.VALID, reward=r.DEST_REACHED, entity=agent))
         return results
 
-
     def on_check_done(self, state) -> List[DoneResult]:
         if all(x.was_reached() for x in state[d.DESTINATION]):
             return [DoneResult(self.name, validity=c.VALID, reward=r.DEST_REACHED)]
@@ -56,7 +55,7 @@ class DestinationReachAny(DestinationReachAll):
 
 class DestinationSpawn(Rule):
 
-    def __init__(self, n_dests: int = 1,
+    def __init__(self, n_dests: int = 1, spawn_frequency: int = 5,
                  spawn_mode: str = d.MODE_GROUPED):
         super(DestinationSpawn, self).__init__()
         self.n_dests = n_dests

marl_factory_grid/modules/items/groups.py

@@ -5,7 +5,7 @@ from marl_factory_grid.environment import constants as c
 
 from marl_factory_grid.environment.groups.collection import Collection
 from marl_factory_grid.environment.groups.objects import _Objects
-from marl_factory_grid.environment.groups.mixins import IsBoundMixin, HasBoundMixin
+from marl_factory_grid.environment.groups.mixins import IsBoundMixin
 from marl_factory_grid.environment.entity.agent import Agent
 from marl_factory_grid.modules.items.entitites import Item, DropOffLocation
 
@@ -45,6 +45,10 @@ class Items(Collection):
 class Inventory(IsBoundMixin, Collection):
     _accepted_objects = Item
 
+    @property
+    def var_can_be_bound(self):
+        return True
+
     @property
     def obs_tag(self):
         return self.name
@@ -69,7 +73,7 @@ class Inventory(IsBoundMixin, Collection):
         self._collection = collection
 
 
-class Inventories(HasBoundMixin, _Objects):
+class Inventories(_Objects):
     _entity = Inventory
 
     @property

marl_factory_grid/modules/zones/groups.py

@@ -3,10 +3,12 @@ from marl_factory_grid.modules.zones import Zone
 
 
 class Zones(_Objects):
-
     symbol = None
     _entity = Zone
-    var_can_move = False
+
+    @property
+    def var_can_move(self):
+        return False
 
     def __init__(self, *args, **kwargs):
         super(Zones, self).__init__(*args, can_collide=True, **kwargs)