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feat: Add file selector support and enhance game data directory management

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Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>
This commit is contained in:
Hans Kokx
2026-03-23 19:30:50 +01:00
parent 569a3386a8
commit 70b4fc3fe0
9 changed files with 284 additions and 34 deletions
Download Patch File Download Diff File Expand all files Collapse all files
packages/wolf_3d_flutter/lib/managers/game_data_directory_persistence_io.dart
+24 -6
View File
@@ -22,7 +22,7 @@ class DefaultGameDataDirectoryPersistence {
return _resolvedPath!;
}
_resolvedPath = '$platformConfigDir/data_source.json';
_resolvedPath = '$platformConfigDir/settings.json';
return _resolvedPath!;
}
@@ -61,18 +61,36 @@ class DefaultGameDataDirectoryPersistence {
try {
final normalized = directoryPath?.trim();
final file = File(filePath);
Map<String, Object?> existingPayload = <String, Object?>{};
if (await file.exists()) {
try {
final String raw = await file.readAsString();
final Object? decoded = jsonDecode(raw);
if (decoded is Map<String, Object?>) {
existingPayload = decoded;
}
} catch (_) {
// Ignore malformed existing content.
}
}
await file.parent.create(recursive: true);
if (normalized == null || normalized.isEmpty) {
if (await file.exists()) {
await file.delete();
existingPayload.remove('dataDirectory');
if (existingPayload.isEmpty) {
if (await file.exists()) {
await file.delete();
}
return;
}
final payload = jsonEncode(existingPayload);
await file.writeAsString(payload, flush: true);
return;
}
final payload = jsonEncode(<String, Object>{
'dataDirectory': normalized,
});
existingPayload['dataDirectory'] = normalized;
final payload = jsonEncode(existingPayload);
await file.writeAsString(payload, flush: true);
} catch (_) {
// Best-effort only.
packages/wolf_3d_flutter/lib/screens/no_game_data_screen.dart
+69 -1
View File
@@ -9,11 +9,27 @@ class NoGameDataScreen extends StatelessWidget {
const NoGameDataScreen({
super.key,
this.configuredDataDirectory,
this.onPickGameDataDirectory,
this.onPickGameDataFiles,
this.isLoadingGameData = false,
this.pickerError,
});
/// Previously configured external game-data directory, if any.
final String? configuredDataDirectory;
/// Invoked when the user requests selecting a game-data directory.
final Future<void> Function()? onPickGameDataDirectory;
/// Invoked when the user requests selecting one or more data files.
final Future<void> Function()? onPickGameDataFiles;
/// Whether the host is currently reloading after picker selection.
final bool isLoadingGameData;
/// Optional picker/reload error shown to the user.
final String? pickerError;
static Color _colorFromVgaIndex(int index) {
final int packed = ColorPalette.vga32Bit[index]; // 0xAABBGGRR
final int r = packed & 0xFF;
@@ -64,7 +80,7 @@ class NoGameDataScreen extends StatelessWidget {
const SizedBox(height: 16),
Text(
'No game files were discovered.\n\n'
'Select a game-data directory in setup.',
'Select a game-data directory, or select one or more game-data files.',
style: TextStyle(
color: _bodyColor,
fontSize: 15,
@@ -81,6 +97,58 @@ class NoGameDataScreen extends StatelessWidget {
fontWeight: FontWeight.w600,
),
),
const SizedBox(height: 16),
Wrap(
spacing: 12,
runSpacing: 12,
children: [
ElevatedButton(
onPressed: isLoadingGameData
? null
: onPickGameDataDirectory,
child: Text(
isLoadingGameData
? 'Loading data...'
: 'Select data directory',
),
),
ElevatedButton(
onPressed: isLoadingGameData
? null
: onPickGameDataFiles,
child: Text(
isLoadingGameData
? 'Loading data...'
: 'Select data files',
),
),
],
),
if (isLoadingGameData)
Padding(
padding: const EdgeInsets.only(top: 10),
child: Text(
'Scanning selected locations...',
style: TextStyle(
color: _bodyColor,
fontSize: 13,
height: 1.3,
),
),
),
if (pickerError != null && pickerError!.trim().isNotEmpty)
Padding(
padding: const EdgeInsets.only(top: 12),
child: Text(
pickerError!.trim(),
style: TextStyle(
color: _emphasisColor,
fontSize: 13,
height: 1.3,
fontWeight: FontWeight.w600,
),
),
),
if (configuredDataDirectory != null &&
configuredDataDirectory!.trim().isNotEmpty)
Padding(
packages/wolf_3d_flutter/lib/widgets/wolf3d_app.dart
+119 -4
View File
@@ -1,11 +1,14 @@
library;
import 'dart:collection';
import 'package:file_selector/file_selector.dart';
import 'package:flutter/material.dart';
import 'package:wolf_3d_flutter/wolf_3d_flutter.dart';
/// Minimal app shell that binds a prepared [Wolf3dFlutterEngine] instance to
/// host screens.
class Wolf3dApp extends StatelessWidget {
class Wolf3dApp extends StatefulWidget {
/// Shared initialized facade that owns game data, input, and audio services.
final Wolf3dFlutterEngine engine;
@@ -14,12 +17,124 @@ class Wolf3dApp extends StatelessWidget {
required this.engine,
});
@override
State<Wolf3dApp> createState() => _Wolf3dAppState();
}
class _Wolf3dAppState extends State<Wolf3dApp> {
bool _isLoadingGameData = false;
String? _pickerError;
Future<void> _pickGameDataDirectory() async {
setState(() {
_isLoadingGameData = true;
_pickerError = null;
});
try {
final String? directoryPath = await getDirectoryPath(
confirmButtonText: 'Use this folder',
);
if (directoryPath == null || directoryPath.trim().isEmpty) {
return;
}
await widget.engine.init(directory: directoryPath.trim());
} catch (error) {
setState(() {
_pickerError = 'Unable to load selected directory: $error';
});
} finally {
if (mounted) {
setState(() {
_isLoadingGameData = false;
});
}
}
}
Future<void> _pickGameDataFiles() async {
setState(() {
_isLoadingGameData = true;
_pickerError = null;
});
try {
final List<XFile> selectedFiles = await openFiles();
if (selectedFiles.isEmpty) {
return;
}
final LinkedHashSet<String> directories = LinkedHashSet<String>();
for (final XFile file in selectedFiles) {
final String directory = _directoryFromFilePath(file.path);
if (directory.isNotEmpty) {
directories.add(directory);
}
}
if (directories.isEmpty) {
setState(() {
_pickerError = 'Selected files do not expose local filesystem paths.';
});
return;
}
final List<String> orderedDirectories = directories.toList(
growable: false,
);
await widget.engine.init(
directory: orderedDirectories.first,
additionalDirectories: orderedDirectories.skip(1),
);
} catch (error) {
setState(() {
_pickerError = 'Unable to load selected files: $error';
});
} finally {
if (mounted) {
setState(() {
_isLoadingGameData = false;
});
}
}
}
String _directoryFromFilePath(String path) {
final String trimmedPath = path.trim();
if (trimmedPath.isEmpty) {
return '';
}
final int slashIndex = trimmedPath.lastIndexOf('/');
final int backslashIndex = trimmedPath.lastIndexOf(r'\');
final int separatorIndex = slashIndex > backslashIndex
? slashIndex
: backslashIndex;
if (separatorIndex < 0) {
return '';
}
if (separatorIndex == 0) {
return trimmedPath[0];
}
return trimmedPath.substring(0, separatorIndex);
}
@override
Widget build(BuildContext context) {
return engine.availableGames.isEmpty
return widget.engine.availableGames.isEmpty
? NoGameDataScreen(
configuredDataDirectory: engine.configuredDataDirectory,
configuredDataDirectory: widget.engine.configuredDataDirectory,
onPickGameDataDirectory: _pickGameDataDirectory,
onPickGameDataFiles: _pickGameDataFiles,
isLoadingGameData: _isLoadingGameData,
pickerError: _pickerError,
)
: GameScreen(wolf3d: engine);
: GameScreen(wolf3d: widget.engine);
}
}
packages/wolf_3d_flutter/lib/wolf_3d_flutter.dart
+31 -14
View File
@@ -83,6 +83,7 @@ class Wolf3dFlutterEngine extends Wolf3dEngine {
/// Initializes the engine by loading available game data.
Future<Wolf3dFlutterEngine> init({
String? directory,
Iterable<String>? additionalDirectories,
}) async {
await desktop_windowing_support.ensureDesktopWindowingInitialized();
await audio.init();
@@ -128,21 +129,37 @@ class Wolf3dFlutterEngine extends Wolf3dEngine {
}
}
// On non-web platforms, also scan the local filesystem for user-supplied
// data folders so the host can pick up extra versions automatically.
if (!kIsWeb && resolvedDirectory != null) {
try {
final externalGames = await WolfensteinLoader.discover(
directoryPath: resolvedDirectory,
recursive: true,
);
for (var entry in externalGames.entries) {
if (!availableGames.any((g) => g.version == entry.key)) {
availableGames.add(entry.value);
}
// On non-web platforms, also scan local filesystem locations for
// user-supplied data folders so the host can pick up extra versions.
final Set<String> directoriesToScan = <String>{};
if (resolvedDirectory != null && resolvedDirectory.isNotEmpty) {
directoriesToScan.add(resolvedDirectory);
}
if (additionalDirectories != null) {
for (final String directoryPath in additionalDirectories) {
final String trimmedPath = directoryPath.trim();
if (trimmedPath.isNotEmpty) {
directoriesToScan.add(trimmedPath);
}
}
}
if (!kIsWeb && directoriesToScan.isNotEmpty) {
for (final String directoryPath in directoriesToScan) {
try {
final externalGames = await WolfensteinLoader.discover(
directoryPath: directoryPath,
recursive: true,
);
for (var entry in externalGames.entries) {
if (!availableGames.any((g) => g.version == entry.key)) {
availableGames.add(entry.value);
}
}
} catch (e) {
debugPrint("External discovery failed: $e");
}
} catch (e) {
debugPrint("External discovery failed: $e");
}
}