我正在尝试在JavaFX中制作国际象棋游戏，当我试图在棋盘上移动时，它不会/不起作用。
我设法让它突出显示用户可以移动的showValidMoves绿色，但是我不知道如何让它移动它可能的移动然后删除旧的图像。
主要问题是在课程package chess;
import java.awt.event.ActionEvent;
import java.sql.Array;
import java.util.ArrayList;
import java.util.List;
import javafx.application.Application;
import javafx.geometry.HPos;
import javafx.geometry.VPos;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.Control;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.scene.layout.ColumnConstraints;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.Priority;
import javafx.scene.layout.RowConstraints;
import javafx.stage.Stage;
public class ChessBoard extends Application {
public String B_Rook = "Icons\\Rook_b.gif";
public String B_Knight = "Icons\\Knight_b.gif";
public String B_Bishop = "Icons\\Bishop_b.gif";
public String B_Queen = "Icons\\Queen_b.gif";
public String B_king = "Icons\\king_b.gif";
public String B_Pawn = "Icons\\Pawn_b.gif";
//black pieces
public String W_Rook = "Icons\\Rook_w.gif";
public String W_Knight = "Icons\\Knight_w.gif";
public String W_Bishop = "Icons\\Bishop_w.gif";
public String W_Queen = "Icons\\Queen_w.gif";
public String W_king = "Icons\\king_w.gif";
public String W_Pawn = "Icons\\Pawn_w.gif";
//white pieces
private List model = new ArrayList<ChessPiece>();
static GridPane root;
static int size;
static Button[][] tiles;
//declares the array of buttons
static Array[][] current;
public void blankBoard(GridPane root, Button[][] tiles, int size) {
for (int row = 0; row < size; row++) {
for (int col = 0; col < size; col++) {
tiles[row][col] = new Button();
String color;
if ((row + col) % 2 == 0) {
color = "white";
} else {
color = "black";
}
tiles[row][col].setStyle("-fx-background-color: " + color + ";");
root.add(tiles[row][col], col, row);
tiles[row][col].setPrefSize(50, 50);
}
}
//set the cloure of buttons and thier size
for (int i = 0; i < size; i++) {
root.getColumnConstraints().add(new ColumnConstraints(5, Control.USE_COMPUTED_SIZE, Double.POSITIVE_INFINITY, Priority.ALWAYS, HPos.CENTER, true));
root.getRowConstraints().add(new RowConstraints(5, Control.USE_COMPUTED_SIZE, Double.POSITIVE_INFINITY, Priority.ALWAYS, VPos.CENTER, true));
}
}
public void start(Stage primaryStage) {
root = new GridPane();
size = 8;
tiles = new Button[8][8];
//declares the array of buttons
blankBoard(root, tiles, size);
//set up the board
primaryStage.setScene(new Scene(root, 400, 400));
primaryStage.show();
//loads the blank board
if ("onePlayer".equals(Main_menu.gameType)) {
set_up(tiles);
//set up the game board
//Add in a call to launch AI into game
}
if ("twoPlayer".equals(Main_menu.gameType)) {
set_up(tiles);
//set up game board
}
// model = new ArrayList<>();
}
public void set_up(Button[][] tiles) {
Rook blackRookLeft = new Rook(new Coordinate(0, 0), ChessPiece.Color.BLACK);
setUpPiece(tiles, B_Rook, blackRookLeft);
Rook blackRookRight = new Rook(new Coordinate(0, 7), ChessPiece.Color.BLACK);
setUpPiece(tiles, B_Rook, blackRookRight);
//set up black rooks
Knight blackKnightLeft = new Knight(new Coordinate(0, 1), ChessPiece.Color.BLACK);
setUpPiece(tiles, B_Knight, blackKnightLeft);
Knight blackKnightRight = new Knight(new Coordinate(0, 6), ChessPiece.Color.BLACK);
setUpPiece(tiles, B_Knight, blackKnightRight);
//set up black knight
Bishop blackBishopLeft = new Bishop(new Coordinate(0, 2), ChessPiece.Color.BLACK);
setUpPiece(tiles, B_Bishop, blackBishopLeft);
Bishop blackBishopRight = new Bishop(new Coordinate(0, 5), ChessPiece.Color.BLACK);
setUpPiece(tiles, B_Bishop, blackBishopRight);
//set up black Bishop
Queen blackQueen = new Queen(new Coordinate(0, 3), ChessPiece.Color.BLACK);
setUpPiece(tiles, B_Queen, blackQueen);
//set up black Queen
King blackKing = new King(new Coordinate(0, 4), ChessPiece.Color.BLACK);
setUpPiece(tiles, B_king, blackKing);
//set up black King
for (int i = 0; i < 8; i++) {
Pawn blackPawn = new Pawn(new Coordinate(1, i), ChessPiece.Color.WHITE);
setUpPiece(tiles, B_Pawn, blackPawn);
}
//set up the black pieces on the board with listerners
//-------------------------------------------------------------------------//
Rook whiteRookLeft = new Rook(new Coordinate(7, 0), ChessPiece.Color.WHITE);
setUpPiece(tiles, W_Rook, whiteRookLeft);
Rook whiteRookRight = new Rook(new Coordinate(7, 7), ChessPiece.Color.WHITE);
setUpPiece(tiles, W_Rook, whiteRookRight);
//set up black rooks
Knight whiteKnightLeft = new Knight(new Coordinate(7, 1), ChessPiece.Color.WHITE);
setUpPiece(tiles, W_Knight, whiteKnightLeft);
Knight whiteKnightRight = new Knight(new Coordinate(7, 6), ChessPiece.Color.WHITE);
setUpPiece(tiles, W_Knight, whiteKnightRight);
//set up black knight
Bishop whiteBishopLeft = new Bishop(new Coordinate(7, 2), ChessPiece.Color.WHITE);
setUpPiece(tiles, W_Bishop, whiteBishopLeft);
Bishop whiteBishopRight = new Bishop(new Coordinate(7, 5), ChessPiece.Color.WHITE);
setUpPiece(tiles, W_Bishop, whiteBishopRight);
//set up black Bishop
King whiteKing = new King(new Coordinate(7, 3), ChessPiece.Color.WHITE);
setUpPiece(tiles, W_king, whiteKing);
//set up black King
Queen whiteQueen = new Queen(new Coordinate(7, 4), ChessPiece.Color.WHITE);
setUpPiece(tiles, W_Queen, whiteQueen);
//set up black Queen
for (int i = 0; i < 8; i++) {
Pawn whitePawn = new Pawn(new Coordinate(6, i), ChessPiece.Color.WHITE);
setUpPiece(tiles, W_Pawn, whitePawn);
}
//set up the white pieces on the board with listerners
//Image imageOk = new Image(getClass().getResourceAsStream("ok.png"));
Button backButton = new Button("Back", new ImageView());
}
private void setUpPiece(
Button[][] tiles, String imageName, ChessPiece piece) {
int x = piece.getCoordinate().getPositionX();
int y = piece.getCoordinate().getPositionY();
Button tile = tiles[x][y];
tile.setGraphic(new ImageView(imageName));
tile.setOnAction(foo
-> showValidMoves(tiles, piece, imageName)
);
model.add(piece);
}
private void showValidMoves(Button[][] tiles, ChessPiece piece, String imageName) {
List<Coordinate> validMoves = piece.getValidMoves();
for (Coordinate coordinate : validMoves) {
int x = coordinate.getPositionX();
int y = coordinate.getPositionY();
Button buttonToHighlight = tiles[x][y];
highlightButton(buttonToHighlight, piece);
}
}
private void highlightButton(Button button, ChessPiece piece) {
button.setStyle(" -fx-background-color:#00ff00;");
//sets the valid moves to be green
button.setOnAction(foo
-> movePiece(button, piece));
//moves the piece to the users click
blankBoard(root, tiles, size);
//removes the green squares
}
private void movePiece(Button button, ChessPiece piece) {
button.setGraphic(new ImageView(W_Pawn));
}
public static void main(String[] args) {
Login_page login = new Login_page();
login.setVisible(true);
}
}
中。
08002836: stmdb sp!, {r2, r3, r5, r6, sp, lr}