feat: better bonus sound implementation

lib/game/behaviors/behaviors.dart

@@ -1,4 +1,5 @@
 export 'ball_spawning_behavior.dart';
+export 'bonus_noise_behavior.dart';
 export 'bumper_noise_behavior.dart';
 export 'camera_focusing_behavior.dart';
 export 'scoring_behavior.dart';

lib/game/behaviors/bonus_noise_behavior.dart

@@ -0,0 +1,41 @@
+import 'package:flame/components.dart';
+import 'package:flame_bloc/flame_bloc.dart';
+import 'package:pinball/game/game.dart';
+import 'package:pinball_audio/pinball_audio.dart';
+import 'package:pinball_flame/pinball_flame.dart';
+
+/// Behavior that handles playing a bonus sound effect
+class BonusNoiseBehavior extends Component {
+  @override
+  Future<void> onLoad() async {
+    await add(
+      FlameBlocListener<GameBloc, GameState>(
+        listenWhen: (previous, current) {
+          return previous.bonusHistory.length != current.bonusHistory.length;
+        },
+        onNewState: (state) {
+          final bonus = state.bonusHistory.last;
+          final audioPlayer = readProvider<PinballPlayer>();
+
+          switch(bonus) {
+            case GameBonus.googleWord:
+              audioPlayer.play(PinballAudio.google);
+              break;
+            case GameBonus.sparkyTurboCharge:
+              audioPlayer.play(PinballAudio.sparky);
+              break;
+            case GameBonus.dinoChomp:
+              // TODO(erickzanardo): Add sound
+              break;
+            case GameBonus.androidSpaceship:
+              // TODO(erickzanardo): Add sound
+              break;
+            case GameBonus.dashNest:
+              // TODO(erickzanardo): Add sound
+              break;
+          }
+        },
+      ),
+    );
+  }
+}

lib/game/components/components.dart

@@ -12,4 +12,4 @@ export 'google_word/google_word.dart';
 export 'launcher.dart';
 export 'multiballs/multiballs.dart';
 export 'multipliers/multipliers.dart';
-export 'sparky_scorch/sparky_scorch.dart';
+export 'sparky_scorch.dart';

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

@@ -1,7 +1,6 @@
 import 'package:flame/components.dart';
 import 'package:flame_bloc/flame_bloc.dart';
 import 'package:pinball/game/game.dart';
-import 'package:pinball_audio/pinball_audio.dart';
 import 'package:pinball_components/pinball_components.dart';
 import 'package:pinball_flame/pinball_flame.dart';
 
@@ -22,7 +21,6 @@ class GoogleWordBonusBehavior extends Component
             .every((letter) => letter.bloc.state == GoogleLetterState.lit);
 
         if (achievedBonus) {
-          readProvider<PinballPlayer>().play(PinballAudio.google);
           bloc.add(const BonusActivated(GameBonus.googleWord));
           for (final letter in googleLetters) {
             letter.bloc.onReset();

lib/game/components/sparky_scorch.dart

@@ -6,8 +6,6 @@ import 'package:pinball/game/behaviors/behaviors.dart';
 import 'package:pinball/game/components/components.dart';
 import 'package:pinball_components/pinball_components.dart';
 
-export 'sparky_scorch_noise_behavior.dart';
-
 /// {@template sparky_scorch}
 /// Area positioned at the top left of the board containing the
 /// [SparkyComputer], [SparkyAnimatronic], and [SparkyBumper]s.
@@ -54,7 +52,6 @@ class SparkyComputerSensor extends BodyComponent
           renderBody: false,
           children: [
             ScoringContactBehavior(points: Points.twentyThousand),
-            SparkyScorchNoiseBehavior(),
           ],
         );
 

lib/game/components/sparky_scorch/sparky_scorch_noise_behavior.dart

@@ -1,15 +0,0 @@
-import 'package:flame_forge2d/flame_forge2d.dart';
-import 'package:pinball_audio/pinball_audio.dart';
-import 'package:pinball_components/pinball_components.dart';
-import 'package:pinball_flame/pinball_flame.dart';
-
-/// Plays the sparky animation sound when in contact with a [Ball]
-class SparkyScorchNoiseBehavior extends ContactBehavior {
-  @override
-  void beginContact(Object other, Contact contact) {
-    super.beginContact(other, contact);
-    if (other is Ball) {
-      readProvider<PinballPlayer>().play(PinballAudio.sparky);
-    }
-  }
-}

lib/game/pinball_game.dart

@@ -64,6 +64,7 @@ class PinballGame extends PinballForge2DGame
               FlameProvider<AppLocalizations>.value(_l10n),
             ],
             children: [
+              BonusNoiseBehavior(),
               GameBlocStatusListener(),
               BallSpawningBehavior(),
               CameraFocusingBehavior(),

packages/pinball_flame/lib/src/canvas/z_canvas_component.dart

@@ -56,7 +56,9 @@ class _ZCanvas extends CanvasWrapper {
   final List<ZIndex> _zBuffer = [];
 
   /// Postpones the rendering of [ZIndex] component and its children.
-  void buffer(ZIndex component) => _zBuffer.add(component);
+  void buffer(ZIndex component) => _zBuffer
+    ..add(component)
+    ..sort((a, b) => a.zIndex.compareTo(b.zIndex));
 
   /// Renders all [ZIndex] components and their children.
   ///
@@ -69,8 +71,7 @@ class _ZCanvas extends CanvasWrapper {
   /// before the second one.
   /// {@endtemplate}
   void render() => _zBuffer
-    ..sort((a, b) => a.zIndex.compareTo(b.zIndex))
-    ..whereType<Component>().forEach(_render)
+    ..forEach(_render)
     ..clear();
 
   void _render(Component component) => component.renderTree(canvas);

test/game/behaviors/bonus_noise_behavior_test.dart

@@ -0,0 +1,187 @@
+// ignore_for_file: cascade_invocations
+
+import 'package:bloc_test/bloc_test.dart';
+import 'package:flame_bloc/flame_bloc.dart';
+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/game.dart';
+import 'package:pinball_audio/pinball_audio.dart';
+import 'package:pinball_flame/pinball_flame.dart';
+
+class _TestGame extends Forge2DGame {
+  Future<void> pump(
+    BonusNoiseBehavior child, {
+    required PinballPlayer player,
+    required GameBloc bloc,
+  }) {
+    return ensureAdd(
+      FlameBlocProvider<GameBloc, GameState>.value(
+        value: bloc,
+        children: [
+          FlameProvider<PinballPlayer>.value(
+            player,
+            children: [
+              child,
+            ],
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+class _MockPinballPlayer extends Mock implements PinballPlayer {}
+
+class _MockGameBloc extends Mock implements GameBloc {}
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  group('BonusNoiseBehavior', () {
+    late PinballPlayer player;
+    late GameBloc bloc;
+    final flameTester = FlameTester(_TestGame.new);
+
+    setUpAll(() {
+      registerFallbackValue(PinballAudio.google);
+    });
+
+    setUp(() {
+      player = _MockPinballPlayer();
+      when(() => player.play(any()))
+          .thenAnswer((_) { });
+      bloc = _MockGameBloc();
+    });
+
+    flameTester.testGameWidget(
+      'plays google sound',
+      setUp: (game, _) async {
+        const state = GameState(
+          totalScore: 0,
+          roundScore: 0,
+          multiplier: 1,
+          rounds: 0,
+          bonusHistory: [GameBonus.googleWord],
+          status: GameStatus.playing,
+        );
+        const initialState = GameState.initial();
+        whenListen(
+          bloc,
+          Stream.fromIterable([initialState, state]),
+          initialState: initialState,
+        );
+        final behavior = BonusNoiseBehavior();
+        await game.pump(behavior, player: player, bloc: bloc);
+      },
+      verify: (_, __) async {
+        verify(() => player.play(PinballAudio.google)).called(1);
+      },
+    );
+
+    flameTester.testGameWidget(
+      'plays sparky sound',
+      setUp: (game, _) async {
+        const state = GameState(
+          totalScore: 0,
+          roundScore: 0,
+          multiplier: 1,
+          rounds: 0,
+          bonusHistory: [GameBonus.sparkyTurboCharge],
+          status: GameStatus.playing,
+        );
+        const initialState = GameState.initial();
+        whenListen(
+          bloc,
+          Stream.fromIterable([initialState, state]),
+          initialState: initialState,
+        );
+        final behavior = BonusNoiseBehavior();
+        await game.pump(behavior, player: player, bloc: bloc);
+      },
+      verify: (_, __) async {
+        verify(() => player.play(PinballAudio.sparky)).called(1);
+      },
+    );
+
+    flameTester.testGameWidget(
+      'plays dino chomp sound',
+      setUp: (game, _) async {
+        const state = GameState(
+          totalScore: 0,
+          roundScore: 0,
+          multiplier: 1,
+          rounds: 0,
+          bonusHistory: [GameBonus.dinoChomp],
+          status: GameStatus.playing,
+        );
+        const initialState = GameState.initial();
+        whenListen(
+          bloc,
+          Stream.fromIterable([initialState, state]),
+          initialState: initialState,
+        );
+        final behavior = BonusNoiseBehavior();
+        await game.pump(behavior, player: player, bloc: bloc);
+      },
+      verify: (_, __) async {
+        // TODO(erickzanardo): Change when the sound is implemented
+        verifyNever(() => player.play(any()));
+      },
+    );
+
+    flameTester.testGameWidget(
+      'plays android spaceship sound',
+      setUp: (game, _) async {
+        const state = GameState(
+          totalScore: 0,
+          roundScore: 0,
+          multiplier: 1,
+          rounds: 0,
+          bonusHistory: [GameBonus.androidSpaceship],
+          status: GameStatus.playing,
+        );
+        const initialState = GameState.initial();
+        whenListen(
+          bloc,
+          Stream.fromIterable([initialState, state]),
+          initialState: initialState,
+        );
+        final behavior = BonusNoiseBehavior();
+        await game.pump(behavior, player: player, bloc: bloc);
+      },
+      verify: (_, __) async {
+        // TODO(erickzanardo): Change when the sound is implemented
+        verifyNever(() => player.play(any()));
+      },
+    );
+
+    flameTester.testGameWidget(
+      'plays dash nest sound',
+      setUp: (game, _) async {
+        const state = GameState(
+          totalScore: 0,
+          roundScore: 0,
+          multiplier: 1,
+          rounds: 0,
+          bonusHistory: [GameBonus.dashNest],
+          status: GameStatus.playing,
+        );
+        const initialState = GameState.initial();
+        whenListen(
+          bloc,
+          Stream.fromIterable([initialState, state]),
+          initialState: initialState,
+        );
+        final behavior = BonusNoiseBehavior();
+        await game.pump(behavior, player: player, bloc: bloc);
+      },
+      verify: (_, __) async {
+        // TODO(erickzanardo): Change when the sound is implemented
+        verifyNever(() => player.play(any()));
+      },
+    );
+  });
+}

test/game/components/sparky_scorch/sparky_scorch_noise_behavior_test.dart

@@ -1,75 +0,0 @@
-// ignore_for_file: cascade_invocations
-
-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/components/components.dart';
-import 'package:pinball_audio/pinball_audio.dart';
-import 'package:pinball_components/pinball_components.dart';
-import 'package:pinball_flame/pinball_flame.dart';
-
-class _TestGame extends Forge2DGame {
-  Future<void> pump(_TestBodyComponent child, {required PinballPlayer player}) {
-    return ensureAdd(
-      FlameProvider<PinballPlayer>.value(
-        player,
-        children: [
-          child,
-        ],
-      ),
-    );
-  }
-}
-
-class _TestBodyComponent extends BodyComponent {
-  @override
-  Body createBody() => world.createBody(BodyDef());
-}
-
-class _MockPinballPlayer extends Mock implements PinballPlayer {}
-
-class _MockContact extends Mock implements Contact {}
-
-class _MockBall extends Mock implements Ball {}
-
-void main() {
-  TestWidgetsFlutterBinding.ensureInitialized();
-
-  group('SparkyScorchNoiseBehavior', () {});
-
-  late PinballPlayer player;
-  final flameTester = FlameTester(_TestGame.new);
-
-  setUp(() {
-    player = _MockPinballPlayer();
-  });
-
-  flameTester.testGameWidget(
-    'plays sparky sound',
-    setUp: (game, _) async {
-      final behavior = SparkyScorchNoiseBehavior();
-      final parent = _TestBodyComponent();
-      await game.pump(parent, player: player);
-      await parent.ensureAdd(behavior);
-      behavior.beginContact(_MockBall(), _MockContact());
-    },
-    verify: (_, __) async {
-      verify(() => player.play(PinballAudio.sparky)).called(1);
-    },
-  );
-
-  flameTester.testGameWidget(
-    'plays nothing when it is not a ball',
-    setUp: (game, _) async {
-      final behavior = SparkyScorchNoiseBehavior();
-      final parent = _TestBodyComponent();
-      await game.pump(parent, player: player);
-      await parent.ensureAdd(behavior);
-      behavior.beginContact(Object(), _MockContact());
-    },
-    verify: (_, __) async {
-      verifyNever(() => player.play(PinballAudio.sparky));
-    },
-  );
-}