74 lines
1.9 KiB
Dart
74 lines
1.9 KiB
Dart
import 'package:flutter/material.dart';
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import '../../state/game_session_notifier.dart';
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import 'board_painter.dart';
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/// The board with clear-flash and combo-text effects. Pure display: drag
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/// orchestration lives in the game screen.
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class BoardWidget extends StatefulWidget {
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const BoardWidget({super.key, required this.view, required this.ghost});
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final GameViewState view;
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final GhostSpec? ghost;
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@override
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State<BoardWidget> createState() => _BoardWidgetState();
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}
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class _BoardWidgetState extends State<BoardWidget>
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with SingleTickerProviderStateMixin {
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late final AnimationController _flash = AnimationController(
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vsync: this,
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duration: const Duration(milliseconds: 350),
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);
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List<int> _flashRows = const [];
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List<int> _flashCols = const [];
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@override
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void didUpdateWidget(BoardWidget old) {
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super.didUpdateWidget(old);
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final placement = widget.view.lastPlacement;
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if (widget.view.fxTick != old.view.fxTick &&
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placement != null &&
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placement.linesCleared > 0) {
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_flashRows = placement.clearedRows;
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_flashCols = placement.clearedCols;
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_flash.forward(from: 0);
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}
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}
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@override
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void dispose() {
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_flash.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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return AspectRatio(
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aspectRatio: 1,
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child: AnimatedBuilder(
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animation: _flash,
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builder: (context, _) {
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final fading = _flash.isAnimating ? 1 - _flash.value : 0.0;
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return Stack(
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fit: StackFit.expand,
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children: [
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CustomPaint(
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painter: BoardPainter(
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grid: widget.view.grid,
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ghost: widget.ghost,
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flashProgress: fading,
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flashRows: _flashRows,
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flashCols: _flashCols,
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),
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),
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],
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);
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},
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),
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);
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}
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}
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