2048游戏(java控制台-原生jdk实现)

import java.util.Random;import java.util.Scanner;public class game_2048 {public static int score = 0;public static Random random = new Random();public static void print(int[][] arr) {int n = arr.length;int m = arr[0].length;for(int i = 0;i < n;i++){for(int j = 0;j < m;j++){if(arr[i][j] > 10){System.out.print(arr[i][j] + " ");}else {System.out.print(arr[i][j] + "  ");}}System.out.println();}}public static String input(Scanner sc) {System.out.println("please input:(w:up, s:down, a:left, d:right)");String input = sc.next();return input;}public static boolean isFinish(int[][] arr) {int n = arr.length;int m = arr[0].length;for(int i = 0;i < n;i++){for(int j = 0;j < m-1;j++){if ((arr[i][j] == 0) || (arr[i][j] == arr[i][j+1])) {return false;}}}for(int j = 0;j < m;j++){for(int i = 0;i < n-1;i++){if ((arr[i][j] == 0) || (arr[i][j] == arr[i+1][j])) {return false;}}}return true;}public static int makeData(Random random) {int r = random.nextInt(10);if(r >= 5){return 2;}return 0;}public static void moveUp(int[][] arr) {int n = arr.length;int m = arr[0].length;for(int j = 0;j < m;j++){//上移for(int i = 0;i < n;i++){if(arr[i][j] == 0){for(int k = i+1;k < n;k++){if(arr[k][j] != 0){arr[i][j] = arr[k][j];arr[k][j] = 0;break;}}}}//归并for(int i = 0;i < n-1;i++){if(arr[i][j] == arr[i+1][j]){arr[i][j] *= 2;arr[i+1][j] = 0;score += arr[i][j];}}//产生随机数for(int i = n-1;i >= 0;i--){if(arr[i][j] == 0){arr[i][j] += makeData(random);}}}}public static void moveDown(int[][] arr) {int n = arr.length;int m = arr[0].length;for(int j = 0;j < m;j++){//下移for(int i = n-1;i >= 0;i--){if(arr[i][j] == 0){for(int k = i-1;k >= 0;k--){if(arr[k][j] != 0){arr[i][j] = arr[k][j];arr[k][j] = 0;break;}}}}//归并for(int i = n-1;i > 0;i--){if(arr[i][j] == arr[i-1][j]){arr[i][j] *= 2;arr[i-1][j] = 0;score += arr[i][j];}}//产生随机数for(int i = 0;i < n;i++){if(arr[i][j] == 0){arr[i][j] += makeData(random);}}}}public static void moveLeft(int[][] arr) {int n = arr.length;int m = arr[0].length;for(int i = 0;i < n;i++){//左移for(int j = 0;j < m;j++){if(arr[i][j] == 0){for(int k = j+1;k < m;k++){if(arr[i][k] != 0){arr[i][j] = arr[i][k];arr[i][k] = 0;break;}}}}//归并for(int j = 0;j < m-1;j++){if(arr[i][j] == arr[i][j+1]){arr[i][j] *= 2;arr[i][j+1] = 0;score += arr[i][j];}}//产生随机数for(int j = m-1;j >= 0;j--){if(arr[i][j] == 0){arr[i][j] += makeData(random);}}}}public static void moveRight(int[][] arr) {int n = arr.length;int m = arr[0].length;for(int i = 0;i < n;i++){//左移for(int j = m-1;j >= 0;j--){if(arr[i][j] == 0){for(int k = j-1;k >= 0;k--){if(arr[i][k] != 0){arr[i][j] = arr[i][k];arr[i][k] = 0;break;}}}}//归并for(int j = m-1;j > 0;j--){if(arr[i][j] == arr[i][j-1]){arr[i][j] *= 2;arr[i][j-1] = 0;score += arr[i][j];}}//产生随机数for(int j = 0;j < m;j++){if(arr[i][j] == 0){arr[i][j] += makeData(random);}}}}public static void run() {Scanner sc = new Scanner(System.in);int[][] arr = new int[4][4];while(true){if (!isFinish(arr)) {String input = input(sc);switch (input) {case "w":moveUp(arr);break;case "s":moveDown(arr);break;case "a":moveLeft(arr);break;case "d":moveRight(arr);break;default:break;}print(arr);}else {System.out.println("score:" + score);break;}}}public static void main(String[] args) {run();}}