game/scripts/rooms/quidditch_stands/init.rpy

@@ -1,6 +1,7 @@
+
 # Quidditch stands
 
-define __quidditch_stands = {
+default quidditch_stands = {
     "weather": "sun_high",
     "rain": False,
     "puddles": False,
@@ -10,7 +11,6 @@ define __quidditch_stands = {
     "hole": False,
     "tree_fire": False
 }
-default quidditch_stands = __quidditch_stands.copy()
 
 # Crowd density presets
 define crowd_few = ("low_1")
@@ -55,9 +55,8 @@ label quidditch_stands(hidden=False, reset=False, **kwargs):
     # Update and show the area.
     # Pass `hidden=True` to update only, `reset=True` to reset the area before applying arguments.
     if reset:
-        $ quidditch_stands = __quidditch_stands | kwargs
-    else:
-        $ quidditch_stands.update(kwargs)
+        $ reset_variables("quidditch_stands")
+    $ quidditch_stands.update(kwargs)
     if not hidden:
         show screen quidditch_stands_back(**quidditch_stands)
         show screen quidditch_stands_mid(**quidditch_stands)
@@ -159,7 +158,6 @@ label test_stands:
     pause 1.5
     call quidditch_stands(hole=True)
     pause 1
-    call quidditch_stands(weather="overcast", crowd_bj=True)
+    call quidditch_stands(weather="overcast", crowd=["bj"])
     pause 1
-    call quidditch_stands(reset=True, hidden=True)
     jump test_stands

game/scripts/rooms/quidditch_stands2/init.rpy

@@ -1,17 +1,16 @@
+
 # Quidditch stands
 
-define __quidditch_stands2 = {
+default quidditch_stands2 = {
     "weather": "sun_high",
     "crowd": (),
     "crowd_react": (None, None, None),
 }
-default quidditch_stands2 = __quidditch_stands2.copy()
 
 label quidditch_stands2(hidden=False, reset=False, **kwargs):
     if reset:
-        $ quidditch_stands2 = __quidditch_stands2 | kwargs
-    else:
-        $ quidditch_stands2.update(kwargs)
+        $ reset_variables("quidditch_stands2")
+    $ quidditch_stands2.update(kwargs)
     if not hidden:
         show screen quidditch_stands_back2(**quidditch_stands2)
         show screen quidditch_stands_front2(**quidditch_stands2)

game/scripts/utility/common_functions.rpy

@@ -101,6 +101,20 @@ init python early:
             print("Error evaluating data:")
             print(e)
 
+    def reset_variables(*args):
+        """Resets the given variables to their default values."""
+        # Refer to renpy.ast.Default.set_default for implementation details
+        defaults_set = renpy.store._defaults_set
+        changed_set = renpy.store.__dict__.ever_been_changed
+        for arg in args:
+            if arg in defaults_set:
+                if arg in changed_set:
+                    defaults_set.remove(arg)
+                    changed_set.remove(arg)
+            elif config.developer:
+                raise Exception("The variable `{}` was not previously set with a default value.".format(arg))
+        renpy.execute_default_statement(False)
+
     def disable_game_menu():
         setattr(renpy.store, "_game_menu_screen", None)
 
@@ -210,4 +224,4 @@ init python early:
             return len(self._callable())
 
     def execute_callbacks(callbacks):
-        for callback in callbacks: callback()
+        for callback in callbacks: callback()