refactor: removed strength from PlungerAutoPullingBehavior

lib/game/components/game_bloc_status_listener.dart

@@ -67,22 +67,25 @@ class GameBlocStatusListener extends Component
     gameRef.descendants().whereType<Signpost>().single.bloc.onReset();
   }
 
-  void _addPlungerBehaviors(Plunger plunger) {
-    const pullingStrength = 7.0;
-    plunger.firstChild<FlameBlocProvider<PlungerCubit, PlungerState>>()!.addAll(
-      [
-        PlungerPullingBehavior(strength: pullingStrength),
-        PlungerAutoPullingBehavior(strength: pullingStrength),
-        PlungerKeyControllingBehavior()
-      ],
-    );
-  }
+  void _addPlungerBehaviors(Plunger plunger) => plunger
+          .firstChild<FlameBlocProvider<PlungerCubit, PlungerState>>()!
+          .addAll(
+        [
+          PlungerPullingBehavior(strength: 7),
+          PlungerAutoPullingBehavior(),
+          PlungerKeyControllingBehavior()
+        ],
+      );
 
   void _removePlungerBehaviors(Plunger plunger) {
     plunger
         .descendants()
         .whereType<PlungerPullingBehavior>()
         .forEach(plunger.remove);
+    plunger
+        .descendants()
+        .whereType<PlungerAutoPullingBehavior>()
+        .forEach(plunger.remove);
     plunger
         .descendants()
         .whereType<PlungerKeyControllingBehavior>()

packages/pinball_components/lib/src/components/plunger/behaviors/plunger_pulling_behavior.dart

@@ -28,10 +28,15 @@ class PlungerPullingBehavior extends Component
   }
 }
 
-class PlungerAutoPullingBehavior extends PlungerPullingBehavior {
-  PlungerAutoPullingBehavior({
-    required double strength,
-  }) : super(strength: strength);
+class PlungerAutoPullingBehavior extends Component
+    with FlameBlocReader<PlungerCubit, PlungerState> {
+  late final Plunger _plunger;
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+    _plunger = parent!.parent! as Plunger;
+  }
 
   @override
   void update(double dt) {

packages/pinball_components/test/src/components/plunger/behaviors/plunger_pulling_behavior_test.dart

@@ -3,6 +3,7 @@
 import 'dart:async';
 
 import 'package:bloc_test/bloc_test.dart';
+import 'package:flame/components.dart';
 import 'package:flame_bloc/flame_bloc.dart';
 import 'package:flame_forge2d/flame_forge2d.dart';
 import 'package:flame_test/flame_test.dart';
@@ -12,7 +13,7 @@ import 'package:pinball_components/pinball_components.dart';
 
 class _TestGame extends Forge2DGame {
   Future<void> pump(
-    PlungerPullingBehavior behavior, {
+    Component behavior, {
     PlungerCubit? plungerBloc,
   }) async {
     final plunger = Plunger.test();
@@ -85,13 +86,13 @@ void main() {
   group('PlungerAutoPullingBehavior', () {
     test('can be instantiated', () {
       expect(
-        PlungerAutoPullingBehavior(strength: 0),
+        PlungerAutoPullingBehavior(),
         isA<PlungerAutoPullingBehavior>(),
       );
     });
 
     flameTester.test('can be loaded', (game) async {
-      final behavior = PlungerAutoPullingBehavior(strength: 0);
+      final behavior = PlungerAutoPullingBehavior();
       await game.pump(behavior);
       expect(game.descendants(), contains(behavior));
     });
@@ -106,10 +107,7 @@ void main() {
           initialState: PlungerState.autoPulling,
         );
 
-        const strength = 2.0;
-        final behavior = PlungerAutoPullingBehavior(
-          strength: strength,
-        );
+        final behavior = PlungerAutoPullingBehavior();
         await game.pump(
           behavior,
           plungerBloc: plungerBloc,

test/game/components/game_bloc_status_listener_test.dart

@@ -275,7 +275,7 @@ void main() {
                 create: PlungerCubit.new,
                 children: [
                   PlungerPullingBehavior(strength: 0),
-                  PlungerAutoPullingBehavior(strength: 0)
+                  PlungerAutoPullingBehavior()
                 ],
               ),
             );
@@ -533,11 +533,7 @@ void main() {
             await game.ready();
 
             expect(
-              plunger
-                  .descendants()
-                  .whereType<PlungerPullingBehavior>()
-                  .where((behavior) => behavior is! PlungerAutoPullingBehavior)
-                  .length,
+              plunger.descendants().whereType<PlungerPullingBehavior>().length,
               equals(1),
             );
           },