feat: prevent re-entering launch ramp (#174)

* fix: launch ramp render issue

* feat: prevent going back into launch ramp

* fix: changes from merge

lib/game/components/controlled_ball.dart

@@ -19,6 +19,7 @@ class ControlledBall extends Ball with Controls<BallController> {
   }) : super(baseColor: theme.characterTheme.ballColor) {
     controller = BallController(this);
     priority = Ball.launchRampPriority;
+    layer = Layer.launcher;
   }
 
   /// {@template bonus_ball}

lib/game/pinball_game.dart

@@ -172,7 +172,7 @@ class DebugPinballGame extends PinballGame with TapDetector {
       anchor: Anchor.center,
     )
       ..position = Vector2(0, -7.8)
-      ..priority = -2;
+      ..priority = -4;
 
     await add(spriteComponent);
   }

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

@@ -35,7 +35,7 @@ class Ball<T extends Forge2DGame> extends BodyComponent<T>
   static const int spaceshipRailPriority = 2;
 
   /// Render priority for the [Ball] while it's on the [LaunchRamp].
-  static const int launchRampPriority = 0;
+  static const int launchRampPriority = -2;
 
   /// The size of the [Ball].
   static final Vector2 size = Vector2.all(4.13);

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

@@ -13,7 +13,7 @@ class Boundaries extends Forge2DBlueprint {
     final bottomBoundary = _BottomBoundary();
     final outerBoundary = _OuterBoundary();
 
-    addAll([bottomBoundary, outerBoundary]);
+    addAll([outerBoundary, bottomBoundary]);
   }
 }
 
@@ -23,7 +23,7 @@ class Boundaries extends Forge2DBlueprint {
 /// {@endtemplate bottom_boundary}
 class _BottomBoundary extends BodyComponent with InitialPosition {
   /// {@macro bottom_boundary}
-  _BottomBoundary() : super(priority: 2);
+  _BottomBoundary() : super(priority: 1);
 
   List<FixtureDef> _createFixtureDefs() {
     final fixturesDefs = <FixtureDef>[];
@@ -88,7 +88,7 @@ class _BottomBoundarySpriteComponent extends SpriteComponent with HasGameRef {
 /// {@endtemplate outer_boundary}
 class _OuterBoundary extends BodyComponent with InitialPosition {
   /// {@macro outer_boundary}
-  _OuterBoundary() : super(priority: -1);
+  _OuterBoundary() : super(priority: Ball.launchRampPriority - 1);
 
   List<FixtureDef> _createFixtureDefs() {
     final fixturesDefs = <FixtureDef>[];

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

@@ -124,7 +124,7 @@ class _DinoTopWallSpriteComponent extends SpriteComponent with HasGameRef {
 /// {@endtemplate}
 class _DinoBottomWall extends BodyComponent with InitialPosition {
   ///{@macro dino_top_wall}
-  _DinoBottomWall() : super(priority: 1);
+  _DinoBottomWall();
 
   List<FixtureDef> _createFixtureDefs() {
     final fixturesDef = <FixtureDef>[];

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

@@ -17,20 +17,21 @@ class LaunchRamp extends Forge2DBlueprint {
       RampOpeningBallContactCallback<_LaunchRampExit>(),
     ]);
 
-    final launchRampBase = _LaunchRampBase()..layer = Layer.launcher;
+    final launchRampBase = _LaunchRampBase();
 
-    final launchRampForegroundRailing = _LaunchRampForegroundRailing()
+    final launchRampForegroundRailing = _LaunchRampForegroundRailing();
-      ..layer = Layer.launcher;
 
     final launchRampExit = _LaunchRampExit(rotation: math.pi / 2)
-      ..initialPosition = Vector2(1.8, 34.2)
+      ..initialPosition = Vector2(0.6, 34);
-      ..layer = Layer.opening
+
-      ..renderBody = false;
+    final launchRampCloseWall = _LaunchRampCloseWall()
+      ..initialPosition = Vector2(4, 66.5);
 
     addAll([
       launchRampBase,
       launchRampForegroundRailing,
       launchRampExit,
+      launchRampCloseWall,
     ]);
   }
 }
@@ -40,10 +41,7 @@ class LaunchRamp extends Forge2DBlueprint {
 /// {@endtemplate}
 class _LaunchRampBase extends BodyComponent with InitialPosition, Layered {
   /// {@macro launch_ramp_base}
-  _LaunchRampBase()
+  _LaunchRampBase() : super(priority: Ball.launchRampPriority - 1) {
-      : super(
-          priority: Ball.launchRampPriority - 1,
-        ) {
     layer = Layer.launcher;
   }
 
@@ -143,15 +141,9 @@ class _LaunchRampBaseSpriteComponent extends SpriteComponent with HasGameRef {
 /// Foreground railing for the [_LaunchRampBase] to render in front of the
 /// [Ball].
 /// {@endtemplate}
-class _LaunchRampForegroundRailing extends BodyComponent
+class _LaunchRampForegroundRailing extends BodyComponent with InitialPosition {
-    with InitialPosition, Layered {
   /// {@macro launch_ramp_foreground_railing}
-  _LaunchRampForegroundRailing()
+  _LaunchRampForegroundRailing() : super(priority: Ball.launchRampPriority + 1);
-      : super(
-          priority: Ball.launchRampPriority + 1,
-        ) {
-    layer = Layer.launcher;
-  }
 
   List<FixtureDef> _createFixtureDefs() {
     final fixturesDef = <FixtureDef>[];
@@ -221,6 +213,26 @@ class _LaunchRampForegroundRailingSpriteComponent extends SpriteComponent
   }
 }
 
+class _LaunchRampCloseWall extends BodyComponent with InitialPosition, Layered {
+  _LaunchRampCloseWall() {
+    layer = Layer.board;
+    renderBody = false;
+  }
+
+  @override
+  Body createBody() {
+    final shape = EdgeShape()..set(Vector2.zero(), Vector2(0, 4));
+
+    final fixtureDef = FixtureDef(shape);
+
+    final bodyDef = BodyDef()
+      ..userData = this
+      ..position = initialPosition;
+
+    return world.createBody(bodyDef)..createFixture(fixtureDef);
+  }
+}
+
 /// {@template launch_ramp_exit}
 /// [RampOpening] with [Layer.launcher] to filter [Ball]s exiting the
 /// [LaunchRamp].
@@ -232,9 +244,14 @@ class _LaunchRampExit extends RampOpening {
   })  : _rotation = rotation,
         super(
           insideLayer: Layer.launcher,
+          outsideLayer: Layer.board,
           orientation: RampOrientation.down,
           insidePriority: Ball.launchRampPriority,
-        );
+          outsidePriority: 0,
+        ) {
+    layer = Layer.launcher;
+    renderBody = false;
+  }
 
   final double _rotation;
 

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

@@ -88,7 +88,7 @@ extension LayerMaskBits on Layer {
       case Layer.spaceshipEntranceRamp:
         return 0x0002;
       case Layer.launcher:
-        return 0x0005;
+        return 0x0008;
       case Layer.spaceship:
         return 0x000A;
       case Layer.spaceshipExitRail:

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

@@ -8,13 +8,15 @@ import 'package:pinball_components/pinball_components.dart';
 ///
 /// [Plunger] ignores gravity so the player controls its downward [pull].
 /// {@endtemplate}
-class Plunger extends BodyComponent with InitialPosition {
+class Plunger extends BodyComponent with InitialPosition, Layered {
   /// {@macro plunger}
   Plunger({
     required this.compressionDistance,
     // TODO(ruimiguel): set to priority +1 over LaunchRamp once all priorities
     // are fixed.
-  }) : super(priority: 0);
+  }) : super(priority: 0) {
+    layer = Layer.launcher;
+  }
 
   /// Distance the plunger can lower.
   final double compressionDistance;