Rework of Observations and Entity Differentiation, lazy obs build by notification

environments/utility_classes.py

@@ -20,10 +20,10 @@ class ObservationProperties(NamedTuple):
     render_agents: AgentRenderOptions = AgentRenderOptions.SEPERATE
     omit_agent_self: bool = True
     additional_agent_placeholder: Union[None, str, int] = None
-    cast_shadows = True
+    cast_shadows: bool = True
     frames_to_stack: int = 0
     pomdp_r: int = 0
-    show_global_position_info: bool = True
+    show_global_position_info: bool = False
 
 
 class MarlFrameStack(gym.ObservationWrapper):