refactor: move rocket to pinball components

lib/game/components/components.dart

@@ -7,7 +7,7 @@ export 'controlled_plunger.dart';
 export 'controlled_sparky_computer.dart';
 export 'flutter_forest.dart';
 export 'game_flow_controller.dart';
-export 'plunger_zone.dart';
+export 'launcher.dart';
 export 'score_effect_controller.dart';
 export 'score_points.dart';
 export 'sparky_fire_zone.dart';

lib/game/game_assets.dart

@@ -47,6 +47,7 @@ extension PinballGameAssetsX on PinballGame {
       images.load(components.Assets.images.chromeDino.mouth.keyName),
       images.load(components.Assets.images.chromeDino.head.keyName),
       images.load(components.Assets.images.plunger.plunger.keyName),
+      images.load(components.Assets.images.plunger.rocket.keyName),
       images.load(components.Assets.images.sparky.computer.base.keyName),
       images.load(components.Assets.images.sparky.computer.top.keyName),
       images.load(components.Assets.images.sparky.bumper.a.active.keyName),
@@ -57,7 +58,6 @@ extension PinballGameAssetsX on PinballGame {
       images.load(components.Assets.images.sparky.bumper.c.inactive.keyName),
       images.load(components.Assets.images.backboard.backboardScores.keyName),
       images.load(components.Assets.images.backboard.backboardGameOver.keyName),
-      images.load(Assets.images.components.rocket.path),
       images.load(Assets.images.components.background.path),
     ];
   }

lib/game/pinball_game.dart

@@ -45,11 +45,10 @@ class PinballGame extends Forge2DGame
 
     await _addGameBoundaries();
     unawaited(addFromBlueprint(Boundaries()));
-    unawaited(addFromBlueprint(LaunchRamp()));
     unawaited(addFromBlueprint(ControlledSparkyComputer()));
 
-    final plungerZone = PlungerZone();
+    final launcher = Launcher();
-    unawaited(addFromBlueprint(plungerZone));
+    unawaited(addFromBlueprint(launcher));
     unawaited(add(Board()));
     unawaited(add(SparkyFireZone()));
     unawaited(addFromBlueprint(Slingshots()));
@@ -69,7 +68,7 @@ class PinballGame extends Forge2DGame
       ),
     );
 
-    controller.attachTo(plungerZone.plunger);
+    controller.attachTo(launcher.plunger);
     await super.onLoad();
   }
 

packages/pinball_components/lib/gen/assets.gen.dart

@@ -178,6 +178,10 @@ class $AssetsImagesPlungerGen {
   /// File path: assets/images/plunger/plunger.png
   AssetGenImage get plunger =>
       const AssetGenImage('assets/images/plunger/plunger.png');
+
+  /// File path: assets/images/plunger/rocket.png
+  AssetGenImage get rocket =>
+      const AssetGenImage('assets/images/plunger/rocket.png');
 }
 
 class $AssetsImagesSlingshotGen {

packages/pinball_components/lib/src/components/components.dart

@@ -19,6 +19,7 @@ export 'launch_ramp.dart';
 export 'layer.dart';
 export 'plunger.dart';
 export 'ramp_opening.dart';
+export 'rocket.dart';
 export 'score_text.dart';
 export 'shapes/shapes.dart';
 export 'slingshot.dart';

packages/pinball_components/lib/src/components/rocket.dart

@@ -0,0 +1,24 @@
+import 'package:flame/components.dart';
+import 'package:pinball_components/gen/assets.gen.dart';
+import 'package:pinball_components/pinball_components.dart' hide Assets;
+
+/// {@template rocket_sprite_component}
+/// A [SpriteComponent] for the rocket over [Plunger].
+/// {@endtemplate}
+class RocketSpriteComponent extends SpriteComponent with HasGameRef {
+  // TODO(ruimiguel): change this priority to be over launcher ramp and bottom
+  // wall.
+  /// {@macro rocket_sprite_component}
+  RocketSpriteComponent() : super(priority: 5);
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+    final sprite = await gameRef.loadSprite(
+      Assets.images.plunger.rocket.keyName,
+    );
+    this.sprite = sprite;
+    size = sprite.originalSize / 10;
+    anchor = Anchor.center;
+  }
+}