feat: GameOverStats Widgets shows stats after a course

lib/game_over_stats.dart

@@ -0,0 +1,63 @@
+import 'package:flutter/material.dart';
+import 'package:sense_the_rhythm/arrows.dart';
+import 'package:sense_the_rhythm/level.dart';
+import 'package:sense_the_rhythm/simfile.dart';
+
+class GameOverStats extends StatelessWidget {
+  const GameOverStats({super.key, required this.simfile, required this.notes});
+
+  final Simfile simfile;
+  final List<Note> notes;
+
+  @override
+  Widget build(BuildContext context) {
+    int hits = notes.where((note) => note.wasHit == true).length;
+    int misses = notes.where((note) => note.wasHit == false).length;
+    int total = notes.length;
+    int percent = (hits.toDouble() / total.toDouble() * 100).toInt();
+
+    return Scaffold(
+      appBar: AppBar(
+        leading: IconButton(
+            onPressed: () => Navigator.pop(context),
+            icon: Icon(Icons.arrow_back)),
+        title: Text('Game Stats'),
+      ),
+      body: Center(
+        child: Column(
+          children: [
+            Text('  $percent%',
+                style: TextStyle(
+                    fontSize: 60,
+                    fontWeight: FontWeight.bold,
+                    color: Colors.orange)),
+            DataTable(columns: [
+              DataColumn(label: Container()),
+              DataColumn(label: Container()),
+            ], rows: [
+              DataRow(cells: [
+                DataCell(Text('Hits')),
+                DataCell(Text(hits.toString())),
+              ]),
+              DataRow(cells: [
+                DataCell(Text('Misses')),
+                DataCell(Text(misses.toString())),
+              ]),
+              DataRow(cells: [
+                DataCell(Text('Total')),
+                DataCell(Text(total.toString())),
+              ]),
+            ]),
+            TextButton(
+                onPressed: () {
+                  Route route = MaterialPageRoute(
+                      builder: (context) => Level(stepmaniaFolderPath: simfile.directoryPath));
+                  Navigator.pushReplacement(context, route);
+                },
+                child: Text('Retry'))
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/level.dart

@@ -5,6 +5,7 @@ import 'package:flutter/material.dart';
 import 'package:audioplayers/audioplayers.dart';
 import 'package:flutter/services.dart';
 import 'package:sense_the_rhythm/arrows.dart';
+import 'package:sense_the_rhythm/game_over_stats.dart';
 import 'package:sense_the_rhythm/simfile.dart';
 
 class Level extends StatefulWidget {
@@ -73,6 +74,15 @@ class _LevelState extends State<Level> {
       setState(() => _duration = d);
     });
 
+    player.onPlayerComplete.listen((void _) {
+      Route route = MaterialPageRoute(
+          builder: (context) => GameOverStats(
+                simfile: simfile!,
+                notes: notes,
+              ));
+      Navigator.pushReplacement(context, route);
+    });
+
     player.onPositionChanged.listen((Duration p) {
       // print('Current position: $p');
       setState(() => _position = p);
@@ -121,19 +131,7 @@ class _LevelState extends State<Level> {
       }
     });
 
-    String simfilePath = Directory(widget.stepmaniaFolderPath)
-        .listSync()
-        .firstWhere((entity) => entity.path.endsWith('.sm'),
-            orElse: () => File(''))
-        .path;
-
-    String audioPath = Directory(widget.stepmaniaFolderPath)
-        .listSync()
-        .firstWhere((entity) => entity.path.endsWith('.ogg'),
-            orElse: () => File(''))
-        .path;
-
-    simfile = Simfile(simfilePath);
+    simfile = Simfile(widget.stepmaniaFolderPath);
     simfile!.load();
 
     simfile!.chartSimplest!.beats.forEach((time, noteData) {
@@ -144,9 +142,7 @@ class _LevelState extends State<Level> {
       notes.add(Note(time: time, direction: ArrowDirection.values[arrowIndex]));
     });
 
-    print(audioPath);
-
-    player.play(DeviceFileSource(audioPath));
+    player.play(DeviceFileSource(simfile!.audioPath!));
   }
 
   @override

lib/level_selection.dart

@@ -109,12 +109,11 @@ class _LevelSelectionState extends State<LevelSelection> {
         prefs.getString('stepmania_courses');
 
     if (stepmaniaCoursesPathSetting == null) return;
+    List<FileSystemEntity> stepmaniaCoursesFoldersFuture = await listFilesAndFolders(stepmaniaCoursesPathSetting);
+    
     setState(() {
       stepmaniaCoursesPath = stepmaniaCoursesPathSetting;
-    });
-    setState(() async {
-      stepmaniaCoursesFolders =
-          await listFilesAndFolders(stepmaniaCoursesPathSetting);
+      stepmaniaCoursesFolders = stepmaniaCoursesFoldersFuture;
     });
   }
 

lib/simfile.dart

@@ -37,7 +37,10 @@ class Chart {
 }
 
 class Simfile {
-  String path;
+  String directoryPath;
+  String? simfilePath;
+  String? audioPath;
+  String? bannerPath;
   String? lines;
 
   // tags of simfile
@@ -48,7 +51,7 @@ class Simfile {
   Map<double, double> bpms = {};
   double offset = 0;
 
-  Simfile(this.path);
+  Simfile(this.directoryPath);
 
   void _parseChart({required List<String> keys, required String value}) {
     Chart chart = Chart();
@@ -118,7 +121,18 @@ class Simfile {
   }
 
   void load() {
-    lines = File(path).readAsStringSync();
+    simfilePath = Directory(directoryPath)
+        .listSync()
+        .firstWhere((entity) => entity.path.endsWith('.sm'),
+            orElse: () => File('')).path;
+
+    audioPath = Directory(directoryPath)
+        .listSync()
+        .firstWhere((entity) => entity.path.endsWith('.ogg'),
+            orElse: () => File(''))
+        .path;
+
+    lines = File(simfilePath!).readAsStringSync();
 
     RegExp commentsRegExp = RegExp(r'//.*$');
     lines = lines?.replaceAll(commentsRegExp, '');