loadWorlds method

Implementation

Future<void> loadWorlds() async {
  Map<String, SetonixData> worlds = {};
  final defaultFile = File('$worldDirectory/$defaultWorldName$worldSuffix');
  if (await defaultFile.exists()) {
    try {
      final bytes = await defaultFile.readAsBytes();
      worlds[defaultWorldName] = SetonixData.fromData(bytes);
    } catch (e) {
      log(
        'Error loading default world from ${defaultFile.path}: $e',
        level: LogLevel.warning,
      );
    }
  } else {
    worlds[defaultWorldName] = _buildDefaultWorld();
    log('No default world found, creating new one', level: LogLevel.info);
  }
  final dir = Directory(worldDirectory);
  if (await dir.exists()) {
    await for (final file in dir.list(recursive: false)) {
      if (file is! File || !file.path.endsWith(worldSuffix)) continue;
      final name = file.path.substring(
        dir.path.length + 1,
        file.path.length - worldSuffix.length,
      );
      if (name == defaultWorldName) continue;
      try {
        final bytes = await file.readAsBytes();
        worlds[name] = SetonixData.fromData(bytes);
      } catch (e) {
        log(
          'Error loading world $name from ${file.path}: $e',
          level: LogLevel.warning,
        );
      }
    }
  }
  for (final entry in worlds.entries) {
    final name = entry.key;
    final data = entry.value;
    final bloc = WorldBloc(data, this, name);
    _worlds[name] = bloc;
    await bloc.init();
    log('Loaded world $name', level: LogLevel.info);
  }
}