话不多说，直接上代码
package com.thunder.money;
import java.io.IOException;
import java.util.Random;
import java.util.Scanner;
public class Test2048 {
private static final int width = 4;
private static final int high = 4;
public static void main(String[] args) throws IOException {
System.out.println("-----------Start!---------");
int[][] start = start();
show(start);
Scanner sc = new Scanner(System.in);
int moveNum = 0;
String ass = null;
int[][] move = null;
while (true) {
if (moveNum > 0 && ass.equals("q")) {
break;
}
// w up,a left,s down, d right ,and q quit
ass = sc.next();
moveNum++;
if (moveNum == 1) {
move = move(start, ass);
} else {
move = move(move, ass);
int i = judgeWinOrLoss(move);
if (i==1){
System.out.println("WIN");
break;
}else if (i==2){
System.out.println("LOSS");
break;
}
}
show(move);
}
System.out.println("------------END-----------");
System.out.println();
}
public static int judgeWinOrLoss(int[][] box) {
// 0 next; 1 win; 2 loss;
int num = 0;
for (int i = 0; i < high; i++) {
for (int j = 0; j < width; j++) {
if (box[i][j] == 2048) {
return 1;
}
if (box[i][j] != 0){
num++;
}
}
}
if (num == high*width){
return 2;
}
return 0;
}
public static void show(int[][] box) {
for (int i = 0; i < high; i++) {
for (int j = 0; j < width; j++) {
if (j==0){
System.out.print(" ");
System.out.print("+-----");
}else if (j==width -1){
System.out.print("+-----");
System.out.println("+");
}else {
System.out.print("+-----");
}
}
for (int j = 0; j < high; j++) {
if (j == 0) {
System.out.print(' ');
}
System.out.print("|");
if (box[i][j] <= 9) {
System.out.print(" ");
System.out.print(box[i][j]);
System.out.print(" ");
} else if (box[i][j] >= 10 && box[i][j] < 100) {
System.out.print(" ");
System.out.print(box[i][j] / 10);
System.out.print(" ");
System.out.print(box[i][j] % 10);
System.out.print(" ");
} else if (box[i][j] >= 100) {
System.out.print(box[i][j] / 100);
System.out.print(" ");
System.out.print(box[i][j] / 10 % 10);
System.out.print(" ");
System.out.print(box[i][j] % 10);
}
if (j == high - 1) {
System.out.println("|");
}
}
if (i == width - 1) {
for (int j = 0; j < width; j++) {
if (j==0){
System.out.print(" ");
System.out.print("+-----");
}else if (j==width -1){
System.out.print("+-----");
System.out.println("+");
}else {
System.out.print("+-----");
}
}
}
}
}
public static int[][] start() {
int[][] box = new int[high][width];
for (int i = 0; i < width; i++) {
for (int j = 0; j < high; j++) {
box[i][j] = 0;
}
}
Random random = new Random();
int i = random.nextInt(width * high);
box[i / width][i % high] = 2;
int j = random.nextInt(width * high);
while (i == j) {
j = random.nextInt(width * high);
}
box[j / width][j % high] = 2;
return box;
}
public static int[][] move(int[][] box, String move) {
Random random = new Random();
int insertWidthLocal = random.nextInt(width);
int insertHighLocal = random.nextInt(high);
switch (move) {
case "w":
//上
for (int j = 0; j < width; j++) {
int[] oneLine = new int[high];
for (int i = 0; i < high; i++) {
oneLine[i] = box[i][j];
}
int[] ints = deleteZero(oneLine);
int[] merge = merge(ints);
for (int i = 0; i < high; i++) {
box[i][j] = merge[i];
}
}
//增加随机值
while (box[high - 1][insertWidthLocal] != 0) {
insertWidthLocal = random.nextInt(width);
}
box[high - 1][insertWidthLocal] = 2;
break;
case "s":
//下
for (int j = 0; j < width; j++) {
int[] oneLine = new int[high];
for (int i = 0; i < high; i++) {
oneLine[i] = box[i][j];
}
int[] ints1 = qAp(oneLine);
int[] ints = deleteZero(ints1);
int[] merge = merge(ints);
int[] merge1 = qAp(merge);
for (int i = 0; i < high; i++) {
box[i][j] = merge1[i];
}
}
//增加随机值
while (box[0][insertWidthLocal] != 0) {
insertWidthLocal = random.nextInt(width);
}
box[0][insertWidthLocal] = 2;
break;
case "a":
//左
for (int i = 0; i < high; i++) {
int[] oneLine = new int[width];
for (int j = 0; j < width; j++) {
oneLine[j] = box[i][j];
}
int[] ints = deleteZero(oneLine);
int[] merge = merge(ints);
for (int j = 0; j < width; j++) {
box[i][j] = merge[j];
}
}
//增加随机值
while (box[insertHighLocal][width - 1] != 0) {
insertHighLocal = random.nextInt(high);
}
box[insertHighLocal][width - 1] = 2;
break;
case "d":
//右
for (int i = 0; i < high; i++) {
int[] oneLine = new int[width];
for (int j = 0; j < width; j++) {
oneLine[j] = box[i][j];
}
int[] ints1 = qAp(oneLine);
int[] ints = deleteZero(ints1);
int[] merge = merge(ints);
int[] merge1 = qAp(merge);
for (int j = 0; j < width; j++) {
box[i][j] = merge1[j];
}
}
//增加随机值
while (box[insertHighLocal][0] != 0) {
insertHighLocal = random.nextInt(high);
}
box[insertHighLocal][0] = 2;
break;
}
return box;
}
//删0 补0
public static int[] deleteZero(int[] oneLine) {
int[] newLine = new int[width];
int k = 0;
for (int i = 0; i < oneLine.length; i++) {
if (oneLine[i] != 0) {
newLine[k] = oneLine[i];
k++;
}
}
//末尾补0
for (; k < width; k++) {
newLine[k] = 0;
}
return newLine;
}
//合并
public static int[] merge(int[] oneLine) {
int[] newLine = new int[width];
int k = 0;
for (int i = 0; i < oneLine.length; i++) {
//相邻相同便合并
if (i < oneLine.length - 1 && oneLine[i] == oneLine[i + 1]) {
newLine[k] = oneLine[i] * 2;
oneLine[i + 1] = 0;
k++;
} else if (oneLine[i] != 0) {
newLine[k] = oneLine[i];
k++;
}
}
//末尾补0
for (; k < width; k++) {
newLine[k] = 0;
}
return newLine;
}
//前后翻转
public static int[] qAp(int[] oneLine) {
int[] newLine = new int[width];
for (int i = 0; i < oneLine.length; i++) {
newLine[oneLine.length - 1 - i] = oneLine[i];
}
return newLine;
}
}
