feat: google bonus ball and multiball sync (#425)

lib/game/components/google_gallery/behaviors/google_word_bonus_behavior.dart

@@ -1,5 +1,6 @@
 import 'package:flame/components.dart';
 import 'package:flame_bloc/flame_bloc.dart';
+import 'package:pinball/game/behaviors/behaviors.dart';
 import 'package:pinball/game/game.dart';
 import 'package:pinball_components/pinball_components.dart';
 import 'package:pinball_flame/pinball_flame.dart';
@@ -17,6 +18,7 @@ class GoogleWordBonusBehavior extends Component {
           readBloc<GameBloc, GameState>()
               .add(const BonusActivated(GameBonus.googleWord));
           readBloc<GoogleWordCubit, GoogleWordState>().onBonusAwarded();
+          add(BonusBallSpawningBehavior());
         },
       ),
     );

lib/game/components/multiballs/behaviors/multiballs_behavior.dart

@@ -11,7 +11,8 @@ class MultiballsBehavior extends Component
   bool listenWhen(GameState? previousState, GameState newState) {
     final hasChanged = previousState?.bonusHistory != newState.bonusHistory;
     final lastBonusIsMultiball = newState.bonusHistory.isNotEmpty &&
-        newState.bonusHistory.last == GameBonus.dashNest;
+        (newState.bonusHistory.last == GameBonus.dashNest ||
+            newState.bonusHistory.last == GameBonus.googleWord);
 
     return hasChanged && lastBonusIsMultiball;
   }

packages/pinball_components/lib/src/components/multiball/behaviors/multiball_blinking_behavior.dart

@@ -9,9 +9,9 @@ import 'package:pinball_flame/pinball_flame.dart';
 class MultiballBlinkingBehavior extends TimerComponent
     with ParentIsA<Multiball> {
   /// {@macro multiball_blinking_behavior}
-  MultiballBlinkingBehavior() : super(period: 0.1);
+  MultiballBlinkingBehavior() : super(period: 0.18);
 
-  final _maxBlinks = 10;
+  final _maxBlinks = 28;
 
   int _blinksCounter = 0;
 

packages/pinball_components/test/src/components/multiball/behaviors/multiball_blinking_behavior_test.dart

@@ -21,7 +21,7 @@ void main() {
     'MultiballBlinkingBehavior',
     () {
       flameTester.testGameWidget(
-        'calls onBlink every 0.1 seconds when animation state is animated',
+        'calls onBlink every 0.18 seconds when animation state is animated',
         setUp: (game, tester) async {
           final behavior = MultiballBlinkingBehavior();
           final bloc = _MockMultiballCubit();
@@ -48,7 +48,7 @@ void main() {
           verify(bloc.onBlink).called(1);
 
           await tester.pump();
-          game.update(0.1);
+          game.update(0.18);
 
           await streamController.close();
           verify(bloc.onBlink).called(1);
@@ -124,7 +124,7 @@ void main() {
       );
 
       flameTester.testGameWidget(
-        'onTick stops after 10 blinks repetitions',
+        'onTick stops after 28 blinks',
         setUp: (game, tester) async {
           final behavior = MultiballBlinkingBehavior();
           final bloc = _MockMultiballCubit();
@@ -148,7 +148,7 @@ void main() {
           );
           await tester.pump();
 
-          for (var i = 0; i < 10; i++) {
+          for (var i = 0; i < 28; i++) {
             behavior.onTick();
           }
 

test/game/components/google_gallery/behaviors/google_word_bonus_behavior_test.dart

@@ -8,6 +8,7 @@ import 'package:flame_forge2d/flame_forge2d.dart';
 import 'package:flame_test/flame_test.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:mocktail/mocktail.dart';
+import 'package:pinball/game/behaviors/behaviors.dart';
 import 'package:pinball/game/components/google_gallery/behaviors/behaviors.dart';
 import 'package:pinball/game/game.dart';
 import 'package:pinball_components/pinball_components.dart';
@@ -116,5 +117,51 @@ void main() {
         verify(googleWordBloc.onBonusAwarded).called(1);
       },
     );
+
+    flameTester.testGameWidget(
+      'adds BonusBallSpawningBehavior to the game when all letters '
+      'in google word are activated',
+      setUp: (game, tester) async {
+        final behavior = GoogleWordBonusBehavior();
+        final parent = GoogleGallery.test();
+        final googleWord = GoogleWord(position: Vector2.zero());
+        final googleWordBloc = _MockGoogleWordCubit();
+        final streamController = StreamController<GoogleWordState>();
+
+        whenListen(
+          googleWordBloc,
+          streamController.stream,
+          initialState: GoogleWordState.initial(),
+        );
+
+        await parent.add(googleWord);
+        await game.pump(
+          parent,
+          gameBloc: gameBloc,
+          googleWordBloc: googleWordBloc,
+        );
+        await parent.ensureAdd(behavior);
+
+        streamController.add(
+          const GoogleWordState(
+            letterSpriteStates: {
+              0: GoogleLetterSpriteState.lit,
+              1: GoogleLetterSpriteState.lit,
+              2: GoogleLetterSpriteState.lit,
+              3: GoogleLetterSpriteState.lit,
+              4: GoogleLetterSpriteState.lit,
+              5: GoogleLetterSpriteState.lit,
+            },
+          ),
+        );
+        await tester.pump();
+        await game.ready();
+
+        expect(
+          game.descendants().whereType<BonusBallSpawningBehavior>().length,
+          equals(1),
+        );
+      },
+    );
   });
 }

test/game/components/multiballs/behaviors/multiballs_behavior_test.dart

@@ -78,8 +78,24 @@ void main() {
       );
 
       test(
-          'is false when the bonusHistory has changed '
-          'with a bonus different than GameBonus.dashNest', () {
+        'is true when the bonusHistory has changed '
+        'with a new GameBonus.googleWord',
+        () {
+          final previous = GameState.initial();
+          final state = previous.copyWith(
+            bonusHistory: [GameBonus.googleWord],
+          );
+
+          expect(
+            MultiballsBehavior().listenWhen(previous, state),
+            isTrue,
+          );
+        },
+      );
+
+      test(
+          'is false when the bonusHistory has changed with a bonus other than '
+          'GameBonus.dashNest or GameBonus.googleWord', () {
         final previous =
             GameState.initial().copyWith(bonusHistory: [GameBonus.dashNest]);
         final state = previous.copyWith(