2048游戏(java控制台-原生jdk实现)

分手后的思念是犯贱 2022-06-03 02:53 236阅读 0赞

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();
    	}
    
    }

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