JAVA大作业汇总1

JAVA大作业

代码

package thegreatwork;

import javafx.application.*;
import javafx.scene.control.*;
import javafx.scene.*;
import javafx.scene.paint.*;
import javafx.scene.shape.*;
import javafx.scene.layout.*;
import javafx.stage.*;
import javafx.event.*;
import javafx.scene.input.*;
import javafx.scene.text.*;
import javafx.geometry.*;

import java.util.*;
import java.io.*;

/*Gui2048
 *目的:显示分数和2048游戏,
 *颜色伴随着分数的改变而改变*/

public class Gui2048 extends Application {

    private String outputBoard;
    private Board board;

    private static final int TILE_WIDTH = 106;
    // 这是为了未来不同位数的数字提供不同的字体以便看起来美观？
    private static final int TEXT_SIZE_LOW = 55;
    private static final int TEXT_SIZE_MID = 45;

    private static final int TEXT_SIZE_HIGH = 35;

    // 不同的数字对应不同的颜色（改变的是方块的颜色的填充色）
    private static final Color COLOR_EMPTY = Color.rgb(238, 228, 218, 0.35);
    private static final Color COLOR_2 = Color.rgb(238, 228, 218);
    private static final Color COLOR_4 = Color.rgb(237, 224, 200);
    private static final Color COLOR_8 = Color.rgb(242, 177, 121);
    private static final Color COLOR_16 = Color.rgb(245, 149, 99);
    private static final Color COLOR_32 = Color.rgb(246, 124, 95);
    private static final Color COLOR_64 = Color.rgb(246, 94, 59);
    private static final Color COLOR_128 = Color.rgb(237, 207, 114);
    private static final Color COLOR_256 = Color.rgb(237, 204, 97);
    private static final Color COLOR_512 = Color.rgb(237, 200, 80);
    private static final Color COLOR_1024 = Color.rgb(237, 197, 63);
    private static final Color COLOR_2048 = Color.rgb(237, 194, 46);
    private static final Color COLOR_OTHER = Color.BLACK;
    private static final Color COLOR_GAME_OVER = Color.rgb(238, 228, 218, 0.5);
    // 数字大小的差异可以用数字颜色的填充色来使其明显
    private static final Color COLOR_VALUE_LIGHT = Color.rgb(249, 246, 242);

    private static final Color COLOR_VALUE_DARK = Color.rgb(119, 110, 101);

    private GridPane pane;

    private int tile;
    private Rectangle[][] rectangle;
    private Text[][] text;
    private Text txt0;
    private Text txtScore;
    private int[][] grid;
    private StackPane pane0;
    private double title;

    /*start
     *初始化页面框
     */
    @Override
    public void start(Stage primaryStage) {
        // 界面的初始化
        processArgs(getParameters().getRaw().toArray(new String[0]));

        pane = new GridPane();
        pane.setAlignment(Pos.CENTER);//全部居中
        pane.setPadding(new Insets(11.5, 12.5, 13.5, 14.5));//设置页边距
        pane.setStyle("-fx-background-color: rgb(187, 173, 160)");
        //间距的设定
        pane.setHgap(15);
        pane.setVgap(15);

        int size = board.GRID_SIZE;
        grid = new int[size][size];
        grid = board.getGrid();//把数字粘过来

        //2048
        txt0 = new Text();
        txt0.setText("2048");
        txt0.setFont(Font.font("Times New Roman", FontWeight.BOLD, 50));
        txt0.setFill(Color.BLACK);
        //分数
        txtScore = new Text();
        txtScore.setText("score: " + this.board.getScore());
        txtScore.setFont(Font.font("Times New Roman", FontWeight.BOLD, 30));
        txtScore.setFill(Color.BLACK);

        //把“2048”和分数框放到相应的位置上
        pane.add(txt0, 0, 0,2, 1);
        pane.add(txtScore, 2, 0, size - 2, 1);
        //居中
        GridPane.setHalignment(txt0, HPos.CENTER);
        GridPane.setHalignment(txtScore, HPos.CENTER);

        //初始化网格的各种属性
        rectangle = new Rectangle[size][size];
        text = new Text[size][size];

        //把数字所在的框和数字进行初始化
        for (int row = 0; row < size; row++) {
            for (int col = 0; col < size; col++) {
                tile = grid[row][col];//把grid里面的数字取出来

                //每一个数字所在的框
                rectangle[row][col] = new Rectangle();
                rectangle[row][col].setWidth(TILE_WIDTH);
                rectangle[row][col].setHeight(TILE_WIDTH);
                rectangle[row][col].setFill(getColor(tile));
                //把画好的方格放到页面框上
                pane.add(rectangle[row][col], col, row + 1);

                //初始化数字的各种
                text[row][col] = new Text();
                if (tile == 0) {
                    text[row][col].setText("");//0为空
                } else {
                    text[row][col].setText(Integer.toString(tile));
                }
                int txt = getSize(tile);//根据数字大小来决定字体大小，在最下面
                text[row][col].setFont(Font.font("Times New Roman", FontWeight.BOLD, txt));//bold：粗体
                text[row][col].setFill(getTextColor(tile));
                pane.add(text[row][col], col, row+1 );
                GridPane.setHalignment(text[row][col], HPos.CENTER);

            }
        }
//有了下面这一段才能把界面显示出来，基本上少一行界面就不能显示。然而每句话是什么含义我并不是非常的清楚
        pane0 = new StackPane();//堆栈面板
        pane0.getChildren().add(pane);
        Scene scene = new Scene(pane0);

        scene.setOnKeyPressed(new myKeyHandler());//接收山下左右的按键

        primaryStage.setTitle("Gui2048");//界面的名称
        primaryStage.setScene(scene);
        primaryStage.show();

    }

    /*EventHandler.java
     *目的:根据玩家输入不同的指令进行不同的操作
     *键盘输入*/
    private class myKeyHandler implements EventHandler<KeyEvent> {
        public void handle(KeyEvent e) {
            if (e.getCode().equals(KeyCode.UP)) {
                if (board.canMove(Direction.UP)) {
                    board.move(Direction.UP);
                    System.out.println("Moving Up");
                    board.addRandomTile();
                }
                if (board.isGameOver()) {
                    gameOver();
                }
            } else if (e.getCode().equals(KeyCode.DOWN)) {
                if (board.canMove(Direction.DOWN)) {
                    board.move(Direction.DOWN);
                    System.out.println("Moving Down");
                    board.addRandomTile();
                }
                if (board.isGameOver()) {
                    gameOver();
                }
            } else if (e.getCode().equals(KeyCode.LEFT)) {
                if (board.canMove(Direction.LEFT)) {
                    board.move(Direction.LEFT);
                    System.out.println("Moving Left");
                    board.addRandomTile();
                }
                if (board.isGameOver()) {
                    gameOver();
                }
            } else if (e.getCode().equals(KeyCode.RIGHT)) {
                if (board.canMove(Direction.RIGHT)) {
                    board.move(Direction.RIGHT);
                    System.out.println("Moving Right");
                    board.addRandomTile();
                }
                if (board.isGameOver()) {
                    gameOver();
                }
                //按R的话页面顺时针方向旋转90度
            } else if (e.getCode().equals(KeyCode.R)) {
                board.rotate(true);
                System.out.println("Rotate 90 degrees clockwise");
                //按S的话这个界面就会被保存下来
            } else if (e.getCode().equals(KeyCode.S)) {
                System.out.println("Saving Board to " + outputBoard);
                try {
                    board.saveBoard(outputBoard);
                } catch (IOException yingjun) {
                    System.out.println("saveBoard throw an Exception");
                }
            }

            paint();//更新画面

        }
    }

    /*gameOver
     *用来表示这个游戏已经结束了
     */
    private void gameOver() {
        //创建一个矩形，和之前那个游戏界面一样大小
        Rectangle rec = new Rectangle();
        rec.setFill(COLOR_GAME_OVER);
        rec.setWidth(pane.getWidth());
        rec.setHeight(pane.getHeight());

        //打印出来"gameover"
        Text over = new Text();
        over.setText("Game Over!");
        over.setFont(Font.font("Impact", FontWeight.BOLD, 50));
        over.setFill(Color.BLACK);

        //把这两个元素添加到界面上
        pane0.getChildren().add(rec);
        pane0.getChildren().add(over);

    }

    /*paint
     * 移动之后重新画这个页面
     */
    private void paint() {
        int size = board.GRID_SIZE;
        grid = board.getGrid();

        txtScore.setText("score: " + this.board.getScore());

        //在移动以后重新打印16个数字框
        for (int row = 0; row < size; row++) {
            for (int col = 0; col < size; col++) {
                tile = grid[row][col];
                rectangle[row][col].setFill(getColor(tile));
                if (tile == 0) {
                    text[row][col].setText("");
                } else {
                    text[row][col].setText(Integer.toString(tile));//把数字变成字符串                }
                    int txt = getSize(tile);
                    text[row][col].setFont(Font.font("Times New Roman", FontWeight.BOLD, txt));
                    text[row][col].setFill(getTextColor(tile));

                }
            }

        }
    }

    /*getColor
     *让矩形框有颜色
     *每一个数字对应一个背景颜色
     */
    private Color getColor(int num) {
        if (num == 0)
            return COLOR_EMPTY;
        if (num == 2)
            return COLOR_2;
        if (num == 4)
            return COLOR_4;
        if (num == 8)
            return COLOR_8;
        if (num == 16)
            return COLOR_16;
        if (num == 32)
            return COLOR_32;
        if (num == 64)
            return COLOR_64;
        if (num == 128)
            return COLOR_128;
        if (num == 256)
            return COLOR_256;
        if (num == 512)
            return COLOR_512;
        if (num == 1024)
            return COLOR_1024;
        if (num == 2048)
            return COLOR_2048;

        return COLOR_OTHER;
    }

    /*getTextColor
     *每一串文字对应一个颜色
     *数字大小决定颜色
     */
    private Color getTextColor(int num) {
        if (num < 8) {
            return COLOR_VALUE_DARK;
        } else {
            return COLOR_VALUE_LIGHT;
        }
    }

    /*getSize
     *决定一串文字的大小
     *数字大小决定字体大小
     */
    private int getSize(int num) {
        if (num < 128) {
            return TEXT_SIZE_LOW;
        } else if (num < 1024) {
            return TEXT_SIZE_MID;
        } else {
            return TEXT_SIZE_HIGH;
        }
    }

    // 用于高级用户，命令行输入
    private void processArgs(String[] args) {
        String inputBoard = null;
        int boardSize = 0;

        //参数必须成对出现
        if ((args.length % 2) != 0) {
            printUsage();
            System.exit(-1);
        }

        //加工参数
        for (int i = 0; i < args.length; i += 2) {
            if (args[i].equals("-i")) {
                //设置初始的界面,也可以载入其他的存档
                inputBoard = args[i + 1];
            } else if (args[i].equals("-o")) {
                //确定保存的时候输出文件的名字
                outputBoard = args[i + 1];
            } else if (args[i].equals("-s")) {
                //设置界面大小
                boardSize = Integer.parseInt(args[i + 1]);
            } else {   //错误的内容
                printUsage();
                System.exit(-1);
            }
        }

        //对应-o
        if (outputBoard == null)
            outputBoard = "2048.board";
        //对应-s
        if (boardSize < 2)
            boardSize = 4;

        //对应-i
        try {
            if (inputBoard != null)
                board = new Board(inputBoard, new Random());
            else
                board = new Board(boardSize, new Random());
        } catch (Exception e) {
            System.out.println(e.getClass().getName() +
                    " was thrown while creating a " +
                    "Board from file " + inputBoard);
            System.out.println("Either your Board(String, Random) " +
                    "Constructor is broken or the file isn't " +
                    "formated correctly");
            System.exit(-1);
        }
    }

    //帮助文档
    private static void printUsage() {
        System.out.println("Gui2048");
        System.out.println("Usage:  Gui2048 [-i|o file ...]");
        System.out.println();
        System.out.println("  Command line arguments come in pairs of the " +
                "form: <command> <argument>");
        System.out.println();
        System.out.println("  -i [file]  -> Specifies a 2048 board that " +
                "should be loaded");
        System.out.println();
        System.out.println("  -o [file]  -> Specifies a file that should be " +
                "used to save the 2048 board");
        System.out.println("                If none specified then the " +
                "default \"2048.board\" file will be used");
        System.out.println("  -s [size]  -> Specifies the size of the 2048" +
                "board if an input file hasn't been");
        System.out.println("                specified.  If both -s and -i" +
                "are used, then the size of the board");
        System.out.println("                will be determined by the input" +
                " file. The default size is 4.");
    }
}