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Groundwork for move history

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This commit is contained in:
Marco 2023-08-25 12:11:23 +02:00
parent 130a2dae79
commit f5759cfbe6
4 changed files with 124 additions and 47 deletions
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1
lib/chess_bloc/chess_position.dart
View File

@ -23,6 +23,7 @@ class ChessPositionManager {
if (history.isEmpty) return null;
return history.last;
}
ChessMoveHistory get allMoves => history;
ChessPosition fromPGNString(String pgn) {
ChessPosition pos = {};

20
lib/pages/chess_game.dart
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@ -6,6 +6,7 @@ import 'package:mchess/chess_bloc/chess_bloc.dart';
import 'package:mchess/chess/chess_board.dart';
import 'package:mchess/chess_bloc/promotion_bloc.dart';
import 'package:mchess/utils/chess_utils.dart';
import 'package:mchess/utils/widgets/move_history_widget.dart';
import 'package:mchess/utils/widgets/promotion_dialog.dart';
import 'package:uuid/uuid.dart';
@ -43,8 +44,23 @@ class _ChessGameState extends State<ChessGame> {
},
child: BlocBuilder<ChessBloc, ChessBoardState>(
builder: (context, state) {
return ChessBoard(
boardState: state,
return Row(
children: [
Expanded(
flex: 1,
child: Container(),
),
Expanded(
flex: 3,
child: ChessBoard(boardState: state),
),
const Expanded(
flex: 1,
child: Align(
alignment: Alignment.centerLeft,
child: MoveHistory()),
),
],
);
},
),

60
lib/utils/chess_utils.dart
View File

@ -115,30 +115,54 @@ Map<ChessPieceAssetKey, String> chessPiecesShortName = {
};
Map<ChessPieceAssetKey, String> pieceCharacter = {
ChessPieceAssetKey(pieceClass: ChessPieceClass.pawn, color: ChessColor.white):
"♙",
ChessPieceAssetKey(pieceClass: ChessPieceClass.rook, color: ChessColor.white):
"♖",
ChessPieceAssetKey(
pieceClass: ChessPieceClass.knight, color: ChessColor.white): "♘",
pieceClass: ChessPieceClass.pawn,
color: ChessColor.white,
): "♙",
ChessPieceAssetKey(
pieceClass: ChessPieceClass.bishop, color: ChessColor.white): "♗",
ChessPieceAssetKey(pieceClass: ChessPieceClass.king, color: ChessColor.white):
"♔",
pieceClass: ChessPieceClass.rook,
color: ChessColor.white,
): "♖",
ChessPieceAssetKey(
pieceClass: ChessPieceClass.queen, color: ChessColor.white): "♕",
ChessPieceAssetKey(pieceClass: ChessPieceClass.pawn, color: ChessColor.black):
"♟︎",
ChessPieceAssetKey(pieceClass: ChessPieceClass.rook, color: ChessColor.black):
"♜",
pieceClass: ChessPieceClass.knight,
color: ChessColor.white,
): "♘",
ChessPieceAssetKey(
pieceClass: ChessPieceClass.knight, color: ChessColor.black): "♞",
pieceClass: ChessPieceClass.bishop,
color: ChessColor.white,
): "♗",
ChessPieceAssetKey(
pieceClass: ChessPieceClass.bishop, color: ChessColor.black): "♝",
ChessPieceAssetKey(pieceClass: ChessPieceClass.king, color: ChessColor.black):
"♚",
pieceClass: ChessPieceClass.king,
color: ChessColor.white,
): "♔",
ChessPieceAssetKey(
pieceClass: ChessPieceClass.queen, color: ChessColor.black): "♛",
pieceClass: ChessPieceClass.queen,
color: ChessColor.white,
): "♕",
ChessPieceAssetKey(
pieceClass: ChessPieceClass.pawn,
color: ChessColor.black,
): "♟︎",
ChessPieceAssetKey(
pieceClass: ChessPieceClass.rook,
color: ChessColor.black,
): "♜",
ChessPieceAssetKey(
pieceClass: ChessPieceClass.knight,
color: ChessColor.black,
): "♞",
ChessPieceAssetKey(
pieceClass: ChessPieceClass.bishop,
color: ChessColor.black,
): "♝",
ChessPieceAssetKey(
pieceClass: ChessPieceClass.king,
color: ChessColor.black,
): "♚",
ChessPieceAssetKey(
pieceClass: ChessPieceClass.queen,
color: ChessColor.black,
): "♛",
};
Map<String, ChessPiece> pieceFromShortname = {

84
lib/utils/widgets/move_history_widget.dart
View File

@ -12,42 +12,78 @@ class MoveHistory extends StatefulWidget {
}
class _MoveHistoryState extends State<MoveHistory> {
late List<String> entries;
ChessMoveHistory allMoves = [];
List<HistoryEntry> entries = [];
@override
void initState() {
entries = [];
super.initState();
}
@override
Widget build(BuildContext context) {
return BlocListener<ChessBloc, ChessBoardState>(
listener: (context, state) {
List<String> newEntries = [];
return BlocBuilder<ChessBloc, ChessBoardState>(builder: (context, state) {
//We do not use the state, we just use the ChessBloc as a trigger
var positionManager = ChessPositionManager.getInstance();
var allMoves = positionManager.allMoves;
if (positionManager.lastMove == null) return Container();
var pieceMoved = positionManager.getPieceAt(positionManager.lastMove!.to);
var pieceChar = pieceCharacter[ChessPieceAssetKey(
//we take the opposite color because we use dark theme. White pieces appear black and vice versa.
pieceClass: pieceMoved!.pieceClass,
color: pieceMoved.color.getOpposite())];
for (ChessMove move in allMoves) {
var movedPiece = positionManager.getPieceAt(move.to);
var char = pieceCharacter[ChessPieceAssetKey(
pieceClass: movedPiece!.pieceClass,
color: movedPiece.color.getOpposite())];
if (movedPiece.color == ChessColor.white) {
newEntries.add("$char ${move.to.toAlphabetical()}");
if (pieceMoved.color == ChessColor.white) {
var entry = HistoryEntry();
entry.setWhite(
pieceChar!, positionManager.lastMove!.to.toAlphabetical());
entries.add(entry);
} else {
newEntries.last =
"${newEntries.last}\t\t$char${move.to.toAlphabetical()}";
var entry = entries.last;
entry.setBlack(
pieceChar!, positionManager.lastMove!.to.toAlphabetical());
}
}
setState(() {
entries = newEntries;
});
},
child: ListView(children: [
for (var entry in entries) Text(entry),
]),
return ListView.builder(
itemCount: entries.length,
itemBuilder: (context, index) {
return Text(
entries[index].toString(),
style: const TextStyle(fontSize: 20),
);
},
);
});
}
}
class HistoryEntry {
String? wChar;
String? wTo;
String? bChar;
String? bTo;
HistoryEntry();
void setWhite(String char, to) {
wChar = char;
wTo = to;
}
void setBlack(String char, to) {
bChar = char;
bTo = to;
}
@override
String toString() {
String entry = "";
if (wChar != null) {
entry = "$entry$wChar$wTo";
}
if (bChar != null) {
entry = "$entry\t\t$bChar$bTo";
}
return entry;
}
}