flutter: invalidIndex 等部分变量改名

src/ui/flutter/lib/board/board-widget.dart

@@ -55,7 +55,7 @@ class BoardWidget extends StatelessWidget {
       onTapUp: (d) {
         //
         final gridWidth = (width - padding * 2);
-        final squareWidth = gridWidth / 6;
+        final squareWidth = gridWidth / 7;
 
         final dx = d.localPosition.dx, dy = d.localPosition.dy;
         final row = (dy - padding - digitsHeight) ~/ squareWidth;

src/ui/flutter/lib/board/pieces-painter.dart

@@ -22,8 +22,8 @@ class PiecesPainter extends PainterBase {
   PiecesPainter({
     @required double width,
     @required this.position,
-    this.focusIndex = Move.InvalidIndex,
-    this.blurIndex = Move.InvalidIndex,
+    this.focusIndex = Move.invalidIndex,
+    this.blurIndex = Move.invalidIndex,
   }) : super(width: width) {
     //
     pieceSide = squareWidth * 0.9; // 棋子大小
@@ -62,11 +62,12 @@ class PiecesPainter extends PainterBase {
     double pieceSide,
     double offsetX,
     double offsetY,
-    int focusIndex = Move.InvalidIndex,
-    int blurIndex = Move.InvalidIndex,
+    int focusIndex = Move.invalidIndex,
+    int blurIndex = Move.invalidIndex,
   }) {
     //
-    final left = offsetX, top = offsetY;
+    final left = offsetX;
+    final top = offsetY;
 
     final shadowPath = Path();
     final piecesToDraw = <PiecePaintStub>[];
@@ -76,10 +77,9 @@ class PiecesPainter extends PainterBase {
       //
       for (var column = 0; column < 7; column++) {
         //
-        //final piece = position.pieceAt(row * 7 + column);
         final piece = position.pieceAt(row * 7 + column); // 改为9则全空
 
-        if (piece == Piece.Empty) continue;
+        if (piece == Piece.noPiece) continue;
 
         var pos = Offset(left + squareSide * column, top + squareSide * row);
 
@@ -98,7 +98,7 @@ class PiecesPainter extends PainterBase {
 
     /*
     final textStyle = TextStyle(
-      color: ColorConsts.PieceTextColor,
+      color: ColorConst.PieceTextColor,
       fontSize: pieceSide * 0.8,
       height: 1.0,
     );
@@ -116,7 +116,7 @@ class PiecesPainter extends PainterBase {
       paint.color = Piece.isWhite(pps.piece)
           ? ColorConst.whitePieceColor
           : ColorConst.blackPieceColor;
-      //paint.color = ColorConsts.WhitePieceColor;
+      //paint.color = ColorConst.WhitePieceColor;
 
       canvas.drawCircle(pps.pos, pieceSide * 0.8 / 2, paint); // 决定棋子外圈有宽
       /*
@@ -140,7 +140,7 @@ class PiecesPainter extends PainterBase {
 
     // draw focus and blur position
 
-    if (focusIndex != Move.InvalidIndex) {
+    if (focusIndex != Move.invalidIndex) {
       //
       final int row = focusIndex ~/ 7, column = focusIndex % 7;
 
@@ -155,7 +155,7 @@ class PiecesPainter extends PainterBase {
       );
     }
 
-    if (blurIndex != Move.InvalidIndex) {
+    if (blurIndex != Move.invalidIndex) {
       //
       final row = blurIndex ~/ 7, column = blurIndex % 7;
 

src/ui/flutter/lib/game/battle.dart

@@ -15,17 +15,17 @@ class Battle {
 
   init() {
     _position = Position.defaultPosition();
-    _focusIndex = _blurIndex = Move.InvalidIndex;
+    _focusIndex = _blurIndex = Move.invalidIndex;
   }
 
   newGame() {
     Battle.shared.position.initDefaultPosition();
-    _focusIndex = _blurIndex = Move.InvalidIndex;
+    _focusIndex = _blurIndex = Move.invalidIndex;
   }
 
   select(int pos) {
     _focusIndex = pos;
-    _blurIndex = Move.InvalidIndex;
+    _blurIndex = Move.invalidIndex;
     //Audios.playTone('click.mp3');
   }
 
@@ -69,7 +69,7 @@ class Battle {
         //
       } else {
         //
-        _blurIndex = _focusIndex = Move.InvalidIndex;
+        _blurIndex = _focusIndex = Move.invalidIndex;
       }
 
       regreted = true;
@@ -85,7 +85,7 @@ class Battle {
   }
 
   clear() {
-    _blurIndex = _focusIndex = Move.InvalidIndex;
+    _blurIndex = _focusIndex = Move.invalidIndex;
   }
 
   BattleResult scanBattleResult() {

src/ui/flutter/lib/mill/mill-base.dart

@@ -28,18 +28,18 @@ class Side {
 
 class Piece {
   //
-  static const Empty = ' ';
+  static const noPiece = ' ';
   //
-  static const BlackStone = 'b';
-  static const WhiteStone = 'w';
-  static const Ban = 'x';
+  static const blackStone = 'b';
+  static const whiteStone = 'w';
+  static const ban = 'x';
 
   static const Names = {
-    Empty: '',
+    noPiece: '',
     //
-    BlackStone: 'b',
-    WhiteStone: 'w',
-    Ban: 'x',
+    blackStone: 'b',
+    whiteStone: 'w',
+    ban: 'x',
   };
 
   static bool isBlack(String c) => 'b'.contains(c);
@@ -49,7 +49,7 @@ class Piece {
 
 class Move {
   // TODO
-  static const InvalidIndex = -1;
+  static const invalidIndex = -1;
 
   // List<String>(90) 中的索引
   int from, to;
@@ -67,7 +67,7 @@ class Move {
   String counterMarks;
 
   Move(this.from, this.to,
-      {this.captured = Piece.Empty, this.counterMarks = '0 0'}) {
+      {this.captured = Piece.noPiece, this.counterMarks = '0 0'}) {
     //
     fx = from % 9;
     fy = from ~/ 9;
@@ -104,7 +104,7 @@ class Move {
     from = fx + fy * 9;
     to = tx + ty * 9;
 
-    captured = Piece.Empty;
+    captured = Piece.noPiece;
   }
 
   static bool validateEngineStep(String step) {

src/ui/flutter/lib/mill/mill-recorder.dart

@@ -26,7 +26,7 @@ class MillRecorder {
   }
   void stepIn(Move move, Position position) {
     //
-    if (move.captured != Piece.Empty) {
+    if (move.captured != Piece.noPiece) {
       halfMove = 0;
     } else {
       halfMove++;
@@ -40,7 +40,7 @@ class MillRecorder {
 
     _history.add(move);
 
-    if (move.captured != Piece.Empty) {
+    if (move.captured != Piece.noPiece) {
       lastCapturedPosition = position.toFen();
     }
   }
@@ -57,7 +57,7 @@ class MillRecorder {
     List<Move> moves = [];
 
     for (var i = _history.length - 1; i >= 0; i--) {
-      if (_history[i].captured != Piece.Empty) break;
+      if (_history[i].captured != Piece.noPiece) break;
       moves.add(_history[i]);
     }
 

src/ui/flutter/lib/mill/position.dart

@@ -19,7 +19,7 @@ class Position {
     _board = List<String>(64); // 7 * 7
 
     for (var i = 0; i < 64; i++) {
-      _board[i] ??= Piece.Empty;
+      _board[i] ??= Piece.noPiece;
     }
 
     _recorder = MillRecorder(lastCapturedPosition: toFen());
@@ -48,7 +48,7 @@ class Position {
 
     // 修改棋盘
     _board[to] = _board[from];
-    _board[from] = Piece.Empty;
+    _board[from] = Piece.noPiece;
 
     // 交换走棋方
     _sideToMove = Side.opponent(_sideToMove);
@@ -70,7 +70,7 @@ class Position {
     //
     // 修改棋盘
     _board[move.to] = _board[move.from];
-    _board[move.from] = Piece.Empty;
+    _board[move.from] = Piece.noPiece;
 
     // 交换走棋方
     if (turnSide) _sideToMove = Side.opponent(_sideToMove);
@@ -90,7 +90,7 @@ class Position {
     _recorder.halfMove = counterMarks.halfMove;
     _recorder.fullMove = counterMarks.fullMove;
 
-    if (lastMove.captured != Piece.Empty) {
+    if (lastMove.captured != Piece.noPiece) {
       //
       // 查找上一个吃子局面（或开局），NativeEngine 需要
       final tempPosition = Position.clone(this);
@@ -124,7 +124,7 @@ class Position {
         //
         final piece = pieceAt((file - 1) * 8 + rank + 8);
 
-        if (piece == Piece.Empty) {
+        if (piece == Piece.noPiece) {
           //
           emptyCounter++;
           //
@@ -157,7 +157,7 @@ class Position {
     var steps = '', posAfterLastCaptured = 0;
 
     for (var i = _recorder.stepsCount - 1; i >= 0; i--) {
-      if (_recorder.stepAt(i).captured != Piece.Empty) break;
+      if (_recorder.stepAt(i).captured != Piece.noPiece) break;
       posAfterLastCaptured = i;
     }
 

src/ui/flutter/lib/routes/battle-page.dart

@@ -51,7 +51,7 @@ class _BattlePageState extends State<BattlePage> {
     final tapedPiece = position.pieceAt(index);
 
     // 之前已经有棋子被选中了
-    if (Battle.shared.focusIndex != Move.InvalidIndex &&
+    if (Battle.shared.focusIndex != Move.invalidIndex &&
         Side.of(position.pieceAt(Battle.shared.focusIndex)) == Side.white) {
       //
       // 当前点击的棋子和之前已经选择的是同一个位置
@@ -86,7 +86,7 @@ class _BattlePageState extends State<BattlePage> {
       //
     } else {
       // 之前未选择棋子，现在点击就是选择棋子
-      if (tapedPiece != Piece.Empty) Battle.shared.select(index);
+      if (tapedPiece != Piece.noPiece) Battle.shared.select(index);
     }
 
     setState(() {});