80 lines
2.0 KiB
Dart
80 lines
2.0 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:mchess/chess_bloc/chess_bloc.dart';
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import 'chess_square.dart';
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import 'chess_utils.dart';
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class ChessBoard extends StatelessWidget {
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final ChessBoardState bState;
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final List<ChessSquare> squares;
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const ChessBoard._({required this.bState, required this.squares});
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factory ChessBoard({required ChessBoardState bState}) {
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List<ChessSquare> squares = List.empty(growable: true);
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for (int i = 0; i < 64; i++) {
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var column = (i % 8) + 1;
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var row = (i ~/ 8) + 1;
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final piece = bState.position[ChessCoordinate(column, row)];
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squares.add(
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ChessSquare(
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coordinate: ChessCoordinate(column, row),
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containedPiece: piece,
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),
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);
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}
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return ChessBoard._(bState: bState, squares: squares);
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}
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@override
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Widget build(BuildContext context) {
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print("ChessBoard's build()");
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return Column(children: _buildBoard(bState.flipped));
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}
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Row _buildChessRow(int rowNo, bool flipped) {
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if (!flipped) {
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return Row(
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children: [
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for (int i = 8 * rowNo - 8; i < 8 * rowNo; i++) squares.elementAt(i)
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],
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);
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} else {
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return Row(
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children: [
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for (int i = 8 * rowNo - 1; i >= 8 * rowNo - 8; i--)
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squares.elementAt(i)
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],
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);
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}
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}
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List<Row> _buildBoard(bool flipped) {
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List<Row> chessBoard = <Row>[];
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if (!flipped) {
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for (int row = 8; row > 0; row--) {
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chessBoard.add(_buildChessRow(row, flipped));
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}
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} else {
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for (int row = 1; row <= 8; row++) {
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chessBoard.add(_buildChessRow(row, flipped));
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}
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}
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return chessBoard;
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}
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ChessSquare getSquareAtCoordinate(ChessCoordinate coord) {
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/* Calculate index in squares[] from column and row */
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int index = (coord.row - 1) * 8 + (coord.column - 1);
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print("getSquareAtCoordinates: index calculated to $index");
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return squares.elementAt(index);
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}
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}
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