2048-Game/MyPuzzle.java at master · kr58/2048-Game · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
import java.util.*;
public class MyPuzzle
{
	MyPuzzle(int a[][]) { for(int i=0;i<4;i++) for(int j=0;j<4;j++) a[i][j]=0; }
	public static void create(int a[][]) // Creating a number on random empty position
	{
		int k=0,arr[][]=new int[16][2];
		for(int i=0;i<4;i++) {for(int j=0;j<4;j++) {if(a[i][j]==0) {arr[k][0]=i;arr[k][1]=j;++k;}}}
		if(k>0)
		{	Random r=new Random();
			int x=r.nextInt(k);
			int z=r.nextInt(2);
			if(z==0) z=2;
			else z=4;
			a[arr[x][0]][arr[x][1]]=z;
		}
	}
	public static void printgrid(int arr[][]) // Printing the grid
	{
		for(int i=0;i<4;i++)
		{	for(int j=0;j<4;j++) System.out.print(arr[i][j] + " ");
			System.out.println("");
		}
	}
	public static void chk(int arr[][],char s) // Placing the Grid after User turn
	{
		if(s=='U')
		{	for(int j=0;j<4;j++)
			{	int flag=0;
				for(int i=0;i<4;i++)
				{	if(arr[i][j]!=0)
					{	int x=i;
						while(x>0 && (arr[x-1][j]==0 || arr[x-1][j]==arr[x][j]))
						{	if(arr[x-1][j]==0) {arr[x-1][j]=arr[x][j];arr[x][j]=0;}
							else if(flag<x && arr[x-1][j]==arr[x][j]) {arr[x-1][j]+=arr[x][j];arr[x][j]=0;flag=x;}
							--x;
						}
					}
				}
			}
		}
		if(s=='D')
		{	for(int j=0;j<4;j++)
			{	int flag=4;
				for(int i=3;i>=0;i--)
				{	if(arr[i][j]!=0)
					{	int x=i;
						while(x<3 && (arr[x+1][j]==0 || arr[x+1][j]==arr[x][j]))
						{	if(arr[x+1][j]==0) {arr[x+1][j]=arr[x][j];arr[x][j]=0;}
							else if(flag>x && arr[x+1][j]==arr[x][j]) {arr[x+1][j]+=arr[x][j];arr[x][j]=0;flag=x;}
							++x;
						}
					}
				}
			}
		}
		if(s=='L')
		{	for(int i=0;i<4;i++)
			{	int flag=0;
				for(int j=0;j<4;j++)
				{	if(arr[i][j]!=0)
					{	int x=j;
						while(x>0 && (arr[i][x-1]==0 || arr[i][x-1]==arr[i][x]))
						{	if(arr[i][x-1]==0) {arr[i][x-1]=arr[i][x];arr[i][x]=0;}
							else if(flag<x && arr[i][x-1]==arr[i][x]) {arr[i][x-1]+=arr[i][x];arr[i][x]=0;flag=x;}
						}
					}
				}
			}
		}
		if(s=='R')
		{	for(int i=0;i<4;i++)
			{	int flag=4;
				for(int j=3;j>=0;j--)
				{	if(arr[i][j]!=0)
					{	int x=j;
						while(x<3 && (arr[i][x+1]==0 || arr[i][x+1]==arr[i][x]))
						{	if(arr[i][x+1]==0) {arr[i][x+1]=arr[i][x];arr[i][x]=0;}
							else if(flag>x && arr[i][x+1]==arr[i][x+1]) {arr[i][x+1]+=arr[i][x];arr[i][x]=0;flag=x;}
						}
					}
				}
			}
		}
	}
	public static int win(int arr[][]) // Checking for winning the Game (2048)
	{
		for(int i=0;i<4;i++) for(int j=0;j<4;j++) if(arr[i][j]==2048) return 1;
		return 0;
	}
	public static int isover(int a[][])
	{
		int i,j;
		for(i=0;i<4;i++) for(j=0;j<4;j++) if(a[i][j]==0) return 0;
		for(i=0;i<4;i++)
		{	for(j=0;j<4;j++)
			{	if(i-1>=0 && a[i][j]==a[i-1][j]) return 0;
				else if(i+1<4 && a[i][j]==a[i+1][j]) return 0;
				else if(j-1>=0 && a[i][j]==a[i][j-1]) return 0;
				else if(j+1<4 && a[i][j]==a[i][j+1]) return 0;
			}
		}
		return 1;
	}
	public static boolean getWin() {
		if(winFlag) return true;
		return false;
	}
	public static void main(String[] args) {
		int a[][]=new int[4][4];
		int flag=0;
		MyPuzzle my=new MyPuzzle(a);
		Scanner s=new Scanner(System.in);
		create(a);
		printgrid(a);
		while(true)
		{	if(win(a)==1) System.out.println("You Win");
			else if(isover(a)==1) {flag=2;break;}
			else
			{	char c;
				c=s.next().charAt(0);
				if(c=='U' || c=='D' || c=='R' || c=='L') chk(a,c);
				else {flag=1;break;}
				create(a);
				printgrid(a);
			}
		}
		if(flag==2) System.out.println("LOSE");
		else if(flag==1) System.out.println("Good Bye!");
		s.close();
	}
}