60 lines
1.7 KiB
Dart
60 lines
1.7 KiB
Dart
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import 'dart:io';
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import 'package:flutter/material.dart';
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import '../services/config_service.dart';
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/// Displays the navigator character with emotion support.
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///
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/// Use a GlobalKey to control emotions from parent:
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/// ```dart
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/// final _navigatorKey = GlobalKey<NavigatorWidgetState>();
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/// NavigatorWidget(key: _navigatorKey)
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/// // Later:
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/// _navigatorKey.currentState?.setEmotion('happy');
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/// ```
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class NavigatorWidget extends StatefulWidget {
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const NavigatorWidget({super.key});
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@override
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State<NavigatorWidget> createState() => NavigatorWidgetState();
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}
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class NavigatorWidgetState extends State<NavigatorWidget> {
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String _emotion = 'default';
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/// Change the displayed emotion.
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/// Image file must exist at: {assetsPath}/navigator/{navigator}/{emotion}.png
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void setEmotion(String emotion) {
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if (emotion != _emotion) {
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setState(() => _emotion = emotion);
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}
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}
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/// Reset to default emotion
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void reset() => setEmotion('default');
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/// Current emotion
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String get emotion => _emotion;
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@override
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Widget build(BuildContext context) {
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final config = ConfigService.instance;
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final basePath = '${config.assetsPath}/navigator/${config.navigator}';
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return Image.file(
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File('$basePath/$_emotion.png'),
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fit: BoxFit.contain,
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errorBuilder: (context, error, stackTrace) {
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// Fallback: try default.png if specific emotion missing
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if (_emotion != 'default') {
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return Image.file(
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File('$basePath/default.png'),
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fit: BoxFit.contain,
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errorBuilder: (_, __, ___) => const SizedBox.shrink(),
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);
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}
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return const SizedBox.shrink();
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},
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);
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}
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}
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