Compare commits
No commits in common. "775275b43d2d963a558be7e8b6e1d5688ce04b50" and "1e2358b67d86c13a269279e03b7219467915deea" have entirely different histories.
775275b43d
...
1e2358b67d
3 changed files with 3 additions and 240 deletions
|
|
@ -1,237 +0,0 @@
|
|||
Example reused from [stockfish_chess_engine](https://github.com/loloof64/StockfishChessEngineFlutter).
|
||||
|
||||
```dart
|
||||
import 'dart:async';
|
||||
|
||||
import 'package:clipboard/clipboard.dart';
|
||||
import 'package:flutter/material.dart';
|
||||
import 'package:material_design_icons_flutter/material_design_icons_flutter.dart';
|
||||
import 'package:chess/chess.dart' as chess_lib;
|
||||
import 'package:window_manager/window_manager.dart';
|
||||
|
||||
import 'package:flutter_stockfish_plugin/stockfish.dart';
|
||||
import 'package:flutter_stockfish_plugin/stockfish_state.dart';
|
||||
|
||||
void main() {
|
||||
runApp(const MaterialApp(
|
||||
home: MyApp(),
|
||||
));
|
||||
}
|
||||
|
||||
class MyApp extends StatefulWidget {
|
||||
const MyApp({Key? key}) : super(key: key);
|
||||
|
||||
@override
|
||||
MyAppState createState() => MyAppState();
|
||||
}
|
||||
|
||||
class MyAppState extends State<MyApp> with WindowListener {
|
||||
late Stockfish _stockfish;
|
||||
final _fenController = TextEditingController(
|
||||
text: 'rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1');
|
||||
late StreamSubscription _stockfishOutputSubsciption;
|
||||
var _timeMs = 1000.0;
|
||||
var _nextMove = '';
|
||||
var _stockfishOutputText = '';
|
||||
|
||||
@override
|
||||
void initState() {
|
||||
windowManager.addListener(this);
|
||||
_overrideDefaultCloseHandler();
|
||||
_doStartStockfish();
|
||||
super.initState();
|
||||
}
|
||||
|
||||
Future<void> _overrideDefaultCloseHandler() async {
|
||||
await windowManager.setPreventClose(true);
|
||||
setState(() {});
|
||||
}
|
||||
|
||||
@override
|
||||
void dispose() {
|
||||
_stopStockfish();
|
||||
super.dispose();
|
||||
}
|
||||
|
||||
@override
|
||||
void onWindowClose() async {
|
||||
_stopStockfish();
|
||||
await Future.delayed(const Duration(milliseconds: 200));
|
||||
await windowManager.destroy();
|
||||
}
|
||||
|
||||
void _readStockfishOutput(String output) {
|
||||
// At least now, stockfish is ready : update UI.
|
||||
setState(() {
|
||||
_stockfishOutputText += "$output\n";
|
||||
});
|
||||
if (output.startsWith('bestmove')) {
|
||||
final parts = output.split(' ');
|
||||
setState(() {
|
||||
_nextMove = parts[1];
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
void _pasteFen() {
|
||||
FlutterClipboard.paste().then((value) {
|
||||
setState(() {
|
||||
_fenController.text = value;
|
||||
});
|
||||
});
|
||||
}
|
||||
|
||||
void _updateThinkingTime(double newValue) {
|
||||
setState(() {
|
||||
_timeMs = newValue;
|
||||
});
|
||||
}
|
||||
|
||||
bool _validPosition() {
|
||||
final chess = chess_lib.Chess();
|
||||
return chess.load(_fenController.text.trim());
|
||||
}
|
||||
|
||||
void _computeNextMove() {
|
||||
if (!_validPosition()) {
|
||||
final message = "Illegal position: '${_fenController.text.trim()}' !\n";
|
||||
setState(() {
|
||||
_stockfishOutputText = message;
|
||||
});
|
||||
return;
|
||||
}
|
||||
setState(() {
|
||||
_stockfishOutputText = '';
|
||||
});
|
||||
_stockfish.stdin = 'position fen ${_fenController.text.trim()}';
|
||||
_stockfish.stdin = 'go movetime ${_timeMs.toInt()}';
|
||||
}
|
||||
|
||||
void _stopStockfish() async {
|
||||
if (_stockfish.state.value == StockfishState.disposed ||
|
||||
_stockfish.state.value == StockfishState.error) {
|
||||
return;
|
||||
}
|
||||
_stockfishOutputSubsciption.cancel();
|
||||
_stockfish.stdin = 'quit';
|
||||
await Future.delayed(const Duration(milliseconds: 200));
|
||||
setState(() {});
|
||||
}
|
||||
|
||||
void _doStartStockfish() async {
|
||||
_stockfish = Stockfish();
|
||||
_stockfishOutputSubsciption =
|
||||
_stockfish.stdout.listen(_readStockfishOutput);
|
||||
setState(() {
|
||||
_stockfishOutputText = '';
|
||||
});
|
||||
await Future.delayed(const Duration(milliseconds: 1100));
|
||||
_stockfish.stdin = 'uci';
|
||||
await Future.delayed(const Duration(milliseconds: 3000));
|
||||
_stockfish.stdin = 'isready';
|
||||
}
|
||||
|
||||
void _startStockfishIfNecessary() {
|
||||
setState(() {
|
||||
if (_stockfish.state.value == StockfishState.ready ||
|
||||
_stockfish.state.value == StockfishState.starting) {
|
||||
return;
|
||||
}
|
||||
_doStartStockfish();
|
||||
});
|
||||
}
|
||||
|
||||
Icon _getStockfishStatusIcon() {
|
||||
Color color;
|
||||
switch (_stockfish.state.value) {
|
||||
case StockfishState.ready:
|
||||
color = Colors.green;
|
||||
break;
|
||||
case StockfishState.disposed:
|
||||
case StockfishState.error:
|
||||
color = Colors.red;
|
||||
break;
|
||||
case StockfishState.starting:
|
||||
color = Colors.orange;
|
||||
}
|
||||
return Icon(MdiIcons.circle, color: color);
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Scaffold(
|
||||
appBar: AppBar(
|
||||
title: const Text("Stockfish Chess Engine example"),
|
||||
),
|
||||
body: SingleChildScrollView(
|
||||
child: Padding(
|
||||
padding: const EdgeInsets.all(8.0),
|
||||
child: Column(
|
||||
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
|
||||
crossAxisAlignment: CrossAxisAlignment.center,
|
||||
children: [
|
||||
TextField(
|
||||
controller: _fenController,
|
||||
decoration: const InputDecoration(
|
||||
hintText: 'Position FEN value',
|
||||
border: OutlineInputBorder(),
|
||||
),
|
||||
),
|
||||
ElevatedButton(
|
||||
onPressed: _pasteFen,
|
||||
child: const Text('Coller FEN'),
|
||||
),
|
||||
Slider(
|
||||
value: _timeMs,
|
||||
onChanged: _updateThinkingTime,
|
||||
min: 500,
|
||||
max: 3000,
|
||||
),
|
||||
Text('Thinking time : ${_timeMs.toInt()} millis'),
|
||||
ElevatedButton(
|
||||
onPressed: _computeNextMove,
|
||||
child: const Text('Search next move'),
|
||||
),
|
||||
Text('Best move: $_nextMove'),
|
||||
Row(
|
||||
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
|
||||
children: [
|
||||
_getStockfishStatusIcon(),
|
||||
ElevatedButton(
|
||||
onPressed: _startStockfishIfNecessary,
|
||||
child: const Text('Start Stockfish'),
|
||||
),
|
||||
ElevatedButton(
|
||||
onPressed: _stopStockfish,
|
||||
child: const Text('Stop Stockfish'),
|
||||
),
|
||||
],
|
||||
),
|
||||
Padding(
|
||||
padding: const EdgeInsets.all(8.0),
|
||||
child: Container(
|
||||
width: 850.0,
|
||||
height: 300.0,
|
||||
decoration: BoxDecoration(
|
||||
border: Border.all(
|
||||
width: 2.0,
|
||||
),
|
||||
borderRadius: const BorderRadius.all(
|
||||
Radius.circular(8.0),
|
||||
),
|
||||
),
|
||||
child: SingleChildScrollView(
|
||||
child: Text(
|
||||
_stockfishOutputText,
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
```
|
||||
|
|
@ -14,7 +14,7 @@ import 'stockfish_bindings_generated.dart';
|
|||
import 'stockfish_state.dart';
|
||||
|
||||
const String _libName = 'flutter_stockfish_plugin';
|
||||
//const String _releaseType = kDebugMode ? 'Debug' : 'Release';
|
||||
const String _releaseType = kDebugMode ? 'Debug' : 'Release';
|
||||
|
||||
/// The dynamic library in which the symbols for [StockfishChessEngineBindings] can be found.
|
||||
final DynamicLibrary _dylib = () {
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
name: flutter_stockfish_plugin
|
||||
description: "A Stockfish Plugin for Flutter. Use Stockfish 16 directly in your flutter app."
|
||||
description: "A Stockfish Plugin for Flutter."
|
||||
version: 1.0.0
|
||||
homepage: https://github.com/jusax23/flutter_stockfish_plugin
|
||||
repository: https://github.com/jusax23/flutter_stockfish_plugin
|
||||
|
||||
environment:
|
||||
sdk: '>=2.17.1 <4.0.0'
|
||||
|
|
|
|||
Loading…
Reference in a new issue