141 lines
3.5 KiB
Dart
141 lines
3.5 KiB
Dart
library;
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import 'dart:collection';
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import 'package:file_selector/file_selector.dart';
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import 'package:flutter/material.dart';
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import 'package:wolf_3d_flutter/wolf_3d_flutter.dart';
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/// Minimal app shell that binds a prepared [Wolf3dFlutterEngine] instance to
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/// host screens.
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class Wolf3dApp extends StatefulWidget {
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/// Shared initialized facade that owns game data, input, and audio services.
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final Wolf3dFlutterEngine engine;
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const Wolf3dApp({
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super.key,
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required this.engine,
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});
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@override
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State<Wolf3dApp> createState() => _Wolf3dAppState();
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}
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class _Wolf3dAppState extends State<Wolf3dApp> {
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bool _isLoadingGameData = false;
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String? _pickerError;
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Future<void> _pickGameDataDirectory() async {
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setState(() {
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_isLoadingGameData = true;
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_pickerError = null;
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});
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try {
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final String? directoryPath = await getDirectoryPath(
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confirmButtonText: 'Use this folder',
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);
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if (directoryPath == null || directoryPath.trim().isEmpty) {
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return;
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}
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await widget.engine.init(directory: directoryPath.trim());
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} catch (error) {
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setState(() {
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_pickerError = 'Unable to load selected directory: $error';
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});
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} finally {
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if (mounted) {
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setState(() {
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_isLoadingGameData = false;
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});
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}
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}
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}
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Future<void> _pickGameDataFiles() async {
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setState(() {
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_isLoadingGameData = true;
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_pickerError = null;
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});
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try {
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final List<XFile> selectedFiles = await openFiles();
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if (selectedFiles.isEmpty) {
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return;
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}
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final LinkedHashSet<String> directories = LinkedHashSet<String>();
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for (final XFile file in selectedFiles) {
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final String directory = _directoryFromFilePath(file.path);
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if (directory.isNotEmpty) {
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directories.add(directory);
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}
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}
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if (directories.isEmpty) {
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setState(() {
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_pickerError = 'Selected files do not expose local filesystem paths.';
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});
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return;
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}
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final List<String> orderedDirectories = directories.toList(
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growable: false,
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);
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await widget.engine.init(
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directory: orderedDirectories.first,
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additionalDirectories: orderedDirectories.skip(1),
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);
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} catch (error) {
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setState(() {
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_pickerError = 'Unable to load selected files: $error';
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});
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} finally {
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if (mounted) {
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setState(() {
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_isLoadingGameData = false;
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});
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}
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}
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}
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String _directoryFromFilePath(String path) {
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final String trimmedPath = path.trim();
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if (trimmedPath.isEmpty) {
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return '';
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}
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final int slashIndex = trimmedPath.lastIndexOf('/');
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final int backslashIndex = trimmedPath.lastIndexOf(r'\');
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final int separatorIndex = slashIndex > backslashIndex
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? slashIndex
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: backslashIndex;
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if (separatorIndex < 0) {
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return '';
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}
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if (separatorIndex == 0) {
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return trimmedPath[0];
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}
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return trimmedPath.substring(0, separatorIndex);
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}
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@override
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Widget build(BuildContext context) {
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return widget.engine.availableGames.isEmpty
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? NoGameDataScreen(
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configuredDataDirectory: widget.engine.configuredDataDirectory,
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onPickGameDataDirectory: _pickGameDataDirectory,
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onPickGameDataFiles: _pickGameDataFiles,
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isLoadingGameData: _isLoadingGameData,
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pickerError: _pickerError,
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)
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: GameScreen(wolf3d: widget.engine);
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}
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}
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