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src/ui/flutter_app/lib/appearance_settings/widgets/piece_effect_selection_page.dart
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| // This file is part of Sanmill. | ||
| // Copyright (C) 2019-2024 The Sanmill developers | ||
| // | ||
| // Sanmill is free software: you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation, either version 3 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // Sanmill is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License | ||
| // along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
|
|
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| import 'dart:math'; | ||
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| import 'package:flutter/foundation.dart'; | ||
| import 'package:flutter/material.dart'; | ||
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| import '../../game_page/services/painters/animations/piece_effect_animation.dart'; | ||
| import '../../generated/intl/l10n.dart'; | ||
| import '../../shared/themes/app_theme.dart'; | ||
|
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| /// Effect item model to hold the name and animation instance. | ||
| class EffectItem { | ||
| EffectItem({required this.name, required this.animation}); | ||
| final String name; | ||
| final PieceEffectAnimation animation; | ||
| } | ||
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| /// The main page that displays the animations in a grid. | ||
| class PieceEffectSelectionPage extends StatefulWidget { | ||
| const PieceEffectSelectionPage({super.key}); | ||
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| @override | ||
| PieceEffectSelectionPageState createState() => | ||
| PieceEffectSelectionPageState(); | ||
| } | ||
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| class PieceEffectSelectionPageState extends State<PieceEffectSelectionPage> { | ||
| late List<EffectItem> effects; | ||
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| @override | ||
| void initState() { | ||
| super.initState(); | ||
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| // Initialize the list of effect items. | ||
| effects = <EffectItem>[ | ||
| EffectItem(name: 'Aura', animation: AuraPieceEffectAnimation()), | ||
| EffectItem(name: 'Echo', animation: EchoPieceEffectAnimation()), | ||
| EffectItem(name: 'Expand', animation: ExpandPieceEffectAnimation()), | ||
| EffectItem(name: 'Explode', animation: ExplodePieceEffectAnimation()), | ||
| EffectItem(name: 'Orbit', animation: OrbitPieceEffectAnimation()), | ||
| EffectItem( | ||
| name: 'ParticleBurst', | ||
| animation: ParticleBurstPieceEffectAnimation()), | ||
| EffectItem(name: 'Radial', animation: RadialPieceEffectAnimation()), | ||
| EffectItem(name: 'Ripple', animation: RipplePieceEffectAnimation()), | ||
| EffectItem(name: 'Rotate', animation: RotatePieceEffectAnimation()), | ||
| EffectItem(name: 'Spiral', animation: SpiralPieceEffectAnimation()), | ||
| EffectItem(name: 'Shatter', animation: ShatterPieceEffectAnimation()), | ||
| EffectItem(name: 'Disperse', animation: DispersePieceEffectAnimation()), | ||
| EffectItem(name: 'Radiate', animation: RadiatePieceEffectAnimation()), | ||
| EffectItem(name: 'StarBurst', animation: StarBurstPieceEffectAnimation()), | ||
| EffectItem(name: 'Vanish', animation: VanishPieceEffectAnimation()), | ||
| EffectItem(name: 'Fade', animation: FadePieceEffectAnimation()), | ||
| EffectItem(name: 'Melt', animation: MeltPieceEffectAnimation()), | ||
| ]; | ||
| } | ||
|
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| @override | ||
| Widget build(BuildContext context) { | ||
| return Scaffold( | ||
| appBar: AppBar( | ||
| title: Text( | ||
| S.of(context).settings, | ||
| style: AppTheme.appBarTheme.titleTextStyle, | ||
| ), | ||
| ), | ||
| body: GridView.builder( | ||
| padding: const EdgeInsets.all(8.0), | ||
| gridDelegate: const SliverGridDelegateWithFixedCrossAxisCount( | ||
| crossAxisCount: 3, // 3 items per row | ||
| crossAxisSpacing: 8.0, | ||
| mainAxisSpacing: 8.0, | ||
| ), | ||
| itemCount: effects.length, | ||
| itemBuilder: (BuildContext context, int index) { | ||
| final EffectItem effectItem = effects[index]; | ||
| return EffectGridItem( | ||
| effectItem: effectItem, | ||
| onTap: () { | ||
| // Handle the selection logic here. | ||
| if (kDebugMode) { | ||
| print('Selected effect: ${effectItem.name}'); | ||
| } | ||
|
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| Navigator.pop(context, | ||
| effectItem); // Return the selected effect to the previous page. | ||
| }, | ||
| ); | ||
| }, | ||
| ), | ||
| ); | ||
| } | ||
| } | ||
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| /// Widget representing each grid item in the selection page. | ||
| class EffectGridItem extends StatefulWidget { | ||
| const EffectGridItem({ | ||
| super.key, | ||
| required this.effectItem, | ||
| required this.onTap, | ||
| }); | ||
| final EffectItem effectItem; | ||
| final VoidCallback onTap; | ||
|
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| @override | ||
| EffectGridItemState createState() => EffectGridItemState(); | ||
| } | ||
|
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| class EffectGridItemState extends State<EffectGridItem> | ||
| with SingleTickerProviderStateMixin { | ||
| late AnimationController _controller; | ||
| late Animation<double> _animation; | ||
|
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| @override | ||
| void initState() { | ||
| super.initState(); | ||
|
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| // Initialize the animation controller. | ||
| _controller = AnimationController( | ||
| duration: const Duration(seconds: 2), // Duration of each animation cycle. | ||
| vsync: this, | ||
| ); | ||
|
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| _animation = CurvedAnimation(parent: _controller, curve: Curves.linear); | ||
|
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| // Repeat the animation indefinitely. | ||
| _controller.repeat(); | ||
| } | ||
|
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| @override | ||
| void dispose() { | ||
| // Dispose the animation controller to free resources. | ||
| _controller.dispose(); | ||
| super.dispose(); | ||
| } | ||
|
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| @override | ||
| Widget build(BuildContext context) { | ||
| // GestureDetector to handle taps on the grid item. | ||
| return GestureDetector( | ||
| onTap: widget.onTap, | ||
| child: Column( | ||
| children: <Widget>[ | ||
| // Use Expanded and AspectRatio to maintain a square shape. | ||
| Expanded( | ||
| child: AspectRatio( | ||
| aspectRatio: 1.0, | ||
| // AnimatedBuilder to rebuild the CustomPaint when the animation updates. | ||
| child: AnimatedBuilder( | ||
| animation: _animation, | ||
| builder: (BuildContext context, Widget? child) { | ||
| return CustomPaint( | ||
| painter: EffectPainter( | ||
| animation: widget.effectItem.animation, | ||
| animationValue: _animation.value, | ||
| ), | ||
| ); | ||
| }, | ||
| ), | ||
| ), | ||
| ), | ||
| const SizedBox(height: 4.0), | ||
| // Display the name of the effect. | ||
| Text(widget.effectItem.name), | ||
| ], | ||
| ), | ||
| ); | ||
| } | ||
| } | ||
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| /// Custom painter that uses the PieceEffectAnimation to draw the effect. | ||
| class EffectPainter extends CustomPainter { | ||
| EffectPainter({required this.animation, required this.animationValue}); | ||
| final PieceEffectAnimation animation; | ||
| final double animationValue; | ||
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| @override | ||
| void paint(Canvas canvas, Size size) { | ||
| // Calculate the center and diameter based on the size of the widget. | ||
| final Offset center = Offset(size.width / 2, size.height / 2); | ||
| final double diameter = min(size.width, size.height); | ||
|
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| // Use the animation's draw method to render the effect. | ||
| animation.draw(canvas, center, diameter, animationValue); | ||
| } | ||
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| @override | ||
| bool shouldRepaint(covariant EffectPainter oldDelegate) { | ||
| // Repaint when the animation value changes. | ||
| return oldDelegate.animationValue != animationValue || | ||
| oldDelegate.animation != animation; | ||
| } | ||
| } |
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