Refactor state management; update unlock logic and enhance signal bindings in scene

stage/stage.gd

@@ -97,7 +97,7 @@ func _unlock_items():
         #print(_item_id ' | ', _entity.unlock)
         var _flag_to_unlock = true
         for _elem in owniverse.entities[_item_id].unlock:
-            if owniverse.stats.total_amount[_elem] < owniverse.entities[_item_id].unlock[_elem]:
+            if owniverse.state.stats.total_amount[_elem] < owniverse.entities[_item_id].unlock[_elem]:
                 _flag_to_unlock = false
                 break
 
@@ -246,7 +246,7 @@ func _set_active_page_actions() -> void:
         
         #var amount = owniverse.get_available_to_produce(entity)
         var amount = owniverse.calculate_max_producible(entity)
-        print(item_id, " : ", amount)
+        #print(item_id, " : ", amount)
         page_actions[pa].set_actions(item_id, amount)        
 
 
@@ -264,8 +264,8 @@ func _page_action_pressed(page_id: int, action_amount: float) -> void:
 
 
 func _ready() -> void:
-    var _output = owniverse.init_enitities()
-    locked_items = _output.locked_items
+    var inited_result = owniverse.init_enitities()
+    locked_items = inited_result.locked_items
     owniverse.load_data()
     _init_owniverse_items()
     
@@ -278,7 +278,7 @@ func _ready() -> void:
     
 func _process(delta: float) -> void:
     
-    owniverse = owniverse.evolute(delta)
+    owniverse.evolute(delta)
     set_datetime(owniverse.state.year)
     
     #owniverse.cycle(delta)
@@ -315,7 +315,7 @@ func _change_speed(delta: int) -> void:
  
    
 func _on_topmenu_button_pressed(ButtonName) -> void:
-    print(ButtonName)
+    print("Debug: ", owniverse.state)
     #var s: float = 1E15
     #var z = 1.0
     #for i in range(30):