Unified game screen and abstracted input

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

apps/wolf_3d_gui/lib/screens/game_screen.dart

@@ -27,19 +27,22 @@ class GameScreen extends StatefulWidget {
 
 class _GameScreenState extends State<GameScreen> {
   late final WolfEngine _engine;
-  final Wolf3dInput _inputManager = Wolf3dFlutterInput();
+  late final Wolf3dInput _input;
   bool _useAsciiMode = false;
 
   @override
   void initState() {
     super.initState();
 
+    _input = Wolf3dFlutterInput();
+
     // The Host Screen owns the engine lifecycle
     _engine = WolfEngine(
       data: widget.data,
       difficulty: widget.difficulty,
       startingEpisode: widget.startingEpisode,
       audio: widget.audio,
+      input: _input,
       onGameWon: () => Navigator.of(context).pop(),
     );
 
@@ -53,14 +56,8 @@ class _GameScreenState extends State<GameScreen> {
         children: [
           // Render the active view
           _useAsciiMode
-              ? WolfAsciiRenderer(
-                  engine: _engine,
-                  inputManager: _inputManager,
-                )
-              : WolfFlutterRenderer(
-                  engine: _engine,
-                  inputManager: _inputManager,
-                ),
+              ? WolfAsciiRenderer(engine: _engine)
+              : WolfFlutterRenderer(engine: _engine),
 
           // Invisible listener to trap the 'Tab' key and swap renderers
           Focus(