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私は掃海艇プログラムに取り組んでいます。私は、プレーヤーが爆弾をクリックした後、ボード全体を公開するのに少し助けてください。ここでは、コードです：プレイヤーが失ったときにすべてのタイルの内容が明らかにされるように、それをしようとして掃海掲示板の掲示板
package narkalieutis;
import java.util.ArrayList;
import java.util.List;
import java.util.Optional;
import javafx.scene.control.MenuBar;
import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.fxml.FXML;
import javafx.scene.Parent;
import javafx.scene.Scene;
import javafx.scene.control.Alert;
import javafx.scene.control.Alert.AlertType;
import javafx.scene.control.ButtonType;
import javafx.scene.control.Menu;
import javafx.scene.control.MenuItem;
import javafx.scene.layout.Pane;
import javafx.scene.layout.StackPane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Rectangle;
import javafx.scene.text.Font;
import javafx.scene.text.Text;
import javafx.stage.Stage;
import javafx.scene.layout.VBox;
public class Narkalieutis extends Application {
private int TILE_SIZE = 50;
private static final int W = 500;
private static final int H = 500;
private int X_TILES = W/TILE_SIZE;
private int Y_TILES = H/TILE_SIZE;
private final String[] gameType = {"Easy", "Medium", "Hard", "Very Hard"};
private String difficulty;
@FXML
private Menu gameMenu;
private Tile[][] grid = new Tile[X_TILES][Y_TILES];
private Scene scene;
public MenuBar menu() {
gameMenu = new Menu("Difficulty");
for(String game : gameType){
MenuItem menuItem = new MenuItem(game);
menuItem.setUserData(game);
menuItem.setOnAction((ActionEvent event) -> {
selectGame(event);
});
gameMenu.getItems().add(menuItem);
}
MenuBar menuBar = new MenuBar(gameMenu);
return menuBar;
}
private void selectGame(ActionEvent event) {
MenuItem menuItem = (MenuItem)event.getSource();
difficulty = (String)menuItem.getUserData();
switch (difficulty) {
case "Easy":
TILE_SIZE = 2*TILE_SIZE;
break;
case "Medium":
TILE_SIZE = 100;
break;
case "Hard":
TILE_SIZE = 50;
break;
case "Very Hard":
TILE_SIZE = 40;
break;
default:
break;
}
}
private Parent createContent() {
VBox root = new VBox();
Pane content = new Pane();
content.setPrefSize(W, H);
for (int y = 0; y < Y_TILES; y++) {
for (int x = 0; x < X_TILES; x++) {
Tile tile = new Tile(x, y, Math.random() < 0.2);
grid[x][y] = tile;
content.getChildren().add(tile);
}
}
for (int y = 0; y < Y_TILES; y++) {
for (int x = 0; x < X_TILES; x++) {
Tile tile = grid[x][y];
if (tile.hasBomb)
continue;
long bombs = getNeighbors(tile).stream().filter(t -> t.hasBomb).count();
if (bombs > 0)
tile.text.setText(String.valueOf(bombs));
}
}
root.getChildren().addAll(menu(), content);
return root;
}
private List<Tile> getNeighbors(Tile tile) {
List<Tile> neighbors = new ArrayList<>();
int[] points = new int[] {
-1, -1,
-1, 0,
-1, 1,
0, -1,
0, 1,
1, -1,
1, 0,
1, 1
};
for (int i = 0; i < points.length; i++) {
int dx = points[i];
int dy = points[++i];
int newX = tile.x + dx;
int newY = tile.y + dy;
if (newX >= 0 && newX < X_TILES
&& newY >= 0 && newY < Y_TILES) {
neighbors.add(grid[newX][newY]);
}
}
return neighbors;
}
private class Tile extends StackPane {
private int x, y;
private boolean hasBomb;
private boolean isOpen = false;
private Rectangle board = new Rectangle(TILE_SIZE - 2, TILE_SIZE - 2);
private Text text = new Text();
Alert alert = new Alert(AlertType.CONFIRMATION);
public Tile(int x, int y, boolean hasBomb) {
this.x = x;
this.y = y;
this.hasBomb = hasBomb;
board.setStroke(Color.LIGHTGRAY);
text.setFont(Font.font(18));
text.setText(hasBomb ? "X" : "");
text.setVisible(false);
getChildren().addAll(board, text);
setTranslateX(x * TILE_SIZE);
setTranslateY(y * TILE_SIZE);
setOnMouseClicked(e -> open());
}
public void open() {
if (isOpen)
return;
if (hasBomb) {
board.setVisible(true);
Optional<ButtonType> result = alert.showAndWait();
if (result.isPresent() && result.get() == ButtonType.OK) {
scene.setRoot(createContent());
}
return;
}
isOpen = true;
text.setVisible(true);
board.setFill(null);
if (text.getText().isEmpty()) {
getNeighbors(this).forEach(Tile::open);
}
switch (text.getText()) {
case "1":
text.setFill(Color.BLUE);
break;
case "2":
text.setFill(Color.FORESTGREEN);
break;
case "3":
text.setFill(Color.RED);
break;
case "4":
text.setFill(Color.DARKBLUE);
break;
case "5":
text.setFill(Color.MAROON);
break;
case "6":
text.setFill(Color.AQUAMARINE);
break;
case "7":
text.setFill(Color.BLACK);
break;
case "8":
text.setFill(Color.GRAY);
break;
default:
break;
}
}
}
@Override
public void start(Stage stage) throws Exception {
scene = new Scene(createContent());
stage.setScene(scene);
stage.show();
}
public static void main(String[] args) {
launch(args);
}
}
イム。