getVisitedScenes function
Implementation
Future<Set<String>> getVisitedScenes(String savePath) async {
final path = await _getVisitedScenesPath(savePath);
final file = await File(path).create(recursive: true);
final contents = await file.readAsString();
if (contents.isNotEmpty) {
return Set<String>.from(jsonDecode(contents));
}
return {};
}