JAVA大作業
代碼
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:顯示分數和2048游戲,
*顏色伴隨着分數的改變而改變*/
public class Gui2048 extends Application {
private String outputBoard;
private Board board;
private static final int TILE_WIDTH = 106;
// 這是為了未來不同位數的數字提供不同的字體以便看起來美觀？
private static final int TEXT_SIZE_LOW = 55;
private static final int TEXT_SIZE_MID = 45;
private static final int TEXT_SIZE_HIGH = 35;
// 不同的數字對應不同的顏色（改變的是方塊的顏色的填充色）
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);
// 數字大小的差異可以用數字顏色的填充色來使其明顯
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
*初始化頁面框
*/
@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));//設置頁邊距
pane.setStyle("-fx-background-color: rgb(187, 173, 160)");
//間距的設定
pane.setHgap(15);
pane.setVgap(15);
int size = board.GRID_SIZE;
grid = new int[size][size];
grid = board.getGrid();//把數字粘過來
//2048
txt0 = new Text();
txt0.setText("2048");
txt0.setFont(Font.font("Times New Roman", FontWeight.BOLD, 50));
txt0.setFill(Color.BLACK);
//分數
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”和分數框放到相應的位置上
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);
//初始化網格的各種屬性
rectangle = new Rectangle[size][size];
text = new Text[size][size];
//把數字所在的框和數字進行初始化
for (int row = 0; row < size; row++) {
for (int col = 0; col < size; col++) {
tile = grid[row][col];//把grid里面的數字取出來
//每一個數字所在的框
rectangle[row][col] = new Rectangle();
rectangle[row][col].setWidth(TILE_WIDTH);
rectangle[row][col].setHeight(TILE_WIDTH);
rectangle[row][col].setFill(getColor(tile));
//把畫好的方格放到頁面框上
pane.add(rectangle[row][col], col, row + 1);
//初始化數字的各種
text[row][col] = new Text();
if (tile == 0) {
text[row][col].setText("");//0為空
} else {
text[row][col].setText(Integer.toString(tile));
}
int txt = getSize(tile);//根據數字大小來決定字體大小，在最下面
text[row][col].setFont(Font.font("Times New Roman", FontWeight.BOLD, txt));//bold：粗體
text[row][col].setFill(getTextColor(tile));
pane.add(text[row][col], col, row+1 );
GridPane.setHalignment(text[row][col], HPos.CENTER);
}
}
//有了下面這一段才能把界面顯示出來，基本上少一行界面就不能顯示。然而每句話是什么含義我並不是非常的清楚
pane0 = new StackPane();//堆棧面板
pane0.getChildren().add(pane);
Scene scene = new Scene(pane0);
scene.setOnKeyPressed(new myKeyHandler());//接收山下左右的按鍵
primaryStage.setTitle("Gui2048");//界面的名稱
primaryStage.setScene(scene);
primaryStage.show();
}
/*EventHandler.java
*目的:根據玩家輸入不同的指令進行不同的操作
*鍵盤輸入*/
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的話頁面順時針方向旋轉90度
} else if (e.getCode().equals(KeyCode.R)) {
board.rotate(true);
System.out.println("Rotate 90 degrees clockwise");
//按S的話這個界面就會被保存下來
} 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();//更新畫面
}
}
/*gameOver
*用來表示這個游戲已經結束了
*/
private void gameOver() {
//創建一個矩形，和之前那個游戲界面一樣大小
Rectangle rec = new Rectangle();
rec.setFill(COLOR_GAME_OVER);
rec.setWidth(pane.getWidth());
rec.setHeight(pane.getHeight());
//打印出來"gameover"
Text over = new Text();
over.setText("Game Over!");
over.setFont(Font.font("Impact", FontWeight.BOLD, 50));
over.setFill(Color.BLACK);
//把這兩個元素添加到界面上
pane0.getChildren().add(rec);
pane0.getChildren().add(over);
}
/*paint
* 移動之后重新畫這個頁面
*/
private void paint() {
int size = board.GRID_SIZE;
grid = board.getGrid();
txtScore.setText("score: " + this.board.getScore());
//在移動以后重新打印16個數字框
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));//把數字變成字符串 }
int txt = getSize(tile);
text[row][col].setFont(Font.font("Times New Roman", FontWeight.BOLD, txt));
text[row][col].setFill(getTextColor(tile));
}
}
}
}
/*getColor
*讓矩形框有顏色
*每一個數字對應一個背景顏色
*/
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
*每一串文字對應一個顏色
*數字大小決定顏色
*/
private Color getTextColor(int num) {
if (num < 8) {
return COLOR_VALUE_DARK;
} else {
return COLOR_VALUE_LIGHT;
}
}
/*getSize
*決定一串文字的大小
*數字大小決定字體大小
*/
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;
}
}
// 用於高級用戶，命令行輸入
private void processArgs(String[] args) {
String inputBoard = null;
int boardSize = 0;
//參數必須成對出現
if ((args.length % 2) != 0) {
printUsage();
System.exit(-1);
}
//加工參數
for (int i = 0; i < args.length; i += 2) {
if (args[i].equals("-i")) {
//設置初始的界面,也可以載入其他的存檔
inputBoard = args[i + 1];
} else if (args[i].equals("-o")) {
//確定保存的時候輸出文件的名字
outputBoard = args[i + 1];
} else if (args[i].equals("-s")) {
//設置界面大小
boardSize = Integer.parseInt(args[i + 1]);
} else { //錯誤的內容
printUsage();
System.exit(-1);
}
}
//對應-o
if (outputBoard == null)
outputBoard = "2048.board";
//對應-s
if (boardSize < 2)
boardSize = 4;
//對應-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);
}
}
//幫助文檔
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.");
}
}
