66 lines
1.6 KiB
Dart
66 lines
1.6 KiB
Dart
library;
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import 'dart:async';
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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> with WidgetsBindingObserver {
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Future<void>? _shutdownFuture;
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@override
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void initState() {
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super.initState();
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WidgetsBinding.instance.addObserver(this);
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}
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@override
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void dispose() {
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WidgetsBinding.instance.removeObserver(this);
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unawaited(_ensureAudioShutdown());
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super.dispose();
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}
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@override
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void didChangeAppLifecycleState(AppLifecycleState state) {
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if (state == AppLifecycleState.detached) {
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unawaited(_ensureAudioShutdown());
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}
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}
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Future<void> _ensureAudioShutdown() {
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final Future<void>? existing = _shutdownFuture;
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if (existing != null) {
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return existing;
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}
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final Future<void> shutdown = widget.engine.shutdownAudio();
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_shutdownFuture = shutdown;
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return shutdown;
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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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)
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: GameScreen(wolf3d: widget.engine);
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}
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}
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