fixed names and function, dirtspawn and item spawn

marl_factory_grid/environment/entity/mixin.py

@@ -12,7 +12,7 @@ class BoundEntityMixin:
         if self.bound_entity:
             return f'{self.__class__.__name__}({self.bound_entity.name})'
         else:
-            print()
+            pass
 
     def belongs_to_entity(self, entity):
         return entity == self.bound_entity

marl_factory_grid/environment/entity/object.py

@@ -131,6 +131,7 @@ class EnvObject(Object):
         return c.VALUE_OCCUPIED_CELL
 
     def __init__(self, **kwargs):
+        self._bound_entity = None
         super(EnvObject, self).__init__(**kwargs)
 
     def change_parent_collection(self, other_collection):

marl_factory_grid/environment/groups/global_entities.py

@@ -1,6 +1,6 @@
 from collections import defaultdict
 from operator import itemgetter
-from random import shuffle
+from random import shuffle, random
 from typing import Dict
 
 from marl_factory_grid.environment.groups.objects import Objects
@@ -26,6 +26,7 @@ class Entities(Objects):
 
     @property
     def floorlist(self):
+        shuffle(self._floor_positions)
         return self._floor_positions
 
     def __init__(self, floor_positions):