Play (wrong) door sound effect when the door opens or closes

Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>

packages/wolf_3d_data/lib/src/io/engine_input.dart

@@ -1,11 +0,0 @@
-import 'package:wolf_3d_entities/wolf_3d_entities.dart';
-
-class EngineInput {
-  bool isMovingForward = false;
-  bool isMovingBackward = false;
-  bool isTurningLeft = false;
-  bool isTurningRight = false;
-  bool isInteracting = false;
-  bool isFiring = false;
-  WeaponType? requestedWeapon;
-}

packages/wolf_3d_data/lib/wolf_3d_data.dart

@@ -3,6 +3,5 @@
 /// More dartdocs go here.
 library;
 
-export 'src/io/engine_input.dart';
 export 'src/wl_parser.dart' show WLParser;
 export 'src/wolfenstein_loader.dart' show WolfensteinLoader;