2048 Game in C (original) (raw)
`// C program to implement 2048 game
#include <stdio.h> #include <stdlib.h> #include <time.h>
#define MAXRANDOMVALUE 3 #define MAXPREV 500 int arr[4][4] = { 0 }, c[4], temp = 0, len = 0, score = 0, highscore = 0, count = 0, ch = 0; // COUNT WILL COUNT THE NO OF STEPS
int findlen(int n);
// Function to print the game board void print() { int i, j, k, len1;
printf(
"\n\t\t\t\t\t===============2048==============\n");
printf("\t\t\t\t\tYOUR SCORE=%d\n\t\t\t\t\t", score);
if (score < highscore) {
printf("HIGH SCORE=%d\t\t\t\t\t\n", highscore);
}
else {
highscore = score;
printf("HIGH SCORE=%d\t\t\t\t\t\n", highscore);
}
printf("\t\t\t\t\t---------------------------------\n");
for (i = 0; i < 4; i++) {
for (j = 0; j < 4; j++) {
if (j == 0) {
printf("\t\t\t\t\t|");
}
if (arr[i][j] != 0) {
len1 = findlen(arr[i][j]);
// printf("%d:",len);
for (k = 0; k < 4 - len; k++) {
printf(" ");
}
printf("%d", arr[i][j]);
for (k = 0; k < 4 - len; k++) {
printf(" ");
}
for (k = 0; k < len - 1; k++) {
printf(" ");
}
printf("|");
}
else {
for (k = 0; k < 8 - 2 * len - 1; k++) {
printf(" ");
}
printf("|");
}
len = 0;
}
if (i != 3) {
printf("\n");
printf("\t\t\t\t\t-----------------------------"
"----\n");
}
}
printf(
"\n\t\t\t\t\t---------------------------------\n");
printf("\t\t\t\t\tPREV-> P\t\t\t\t\t\n");
printf("\t\t\t\t\tRESTART-> R\t\t\t\t\t\n");
printf("\t\t\t\t\tEXIT-> U\t\t\t\t\t\n");
printf("\t\t\t\t\tENTER YOUR CHOISE -> "
"W,S,A,D\n\t\t\t\t\t");}
// Function to move values in the array void movevalue(int k) { int i; if (k == 3) { return; } for (i = k; i < 4; i++) { if (c[i] != 0) { movevalue(i + 1); for (; i < 4; i++) { if (c[i + 1] != 0) { break; } c[i + 1] = c[i]; c[i] = 0; } } } }
// Function to find the length of a number (count of digits) int findlen(int n) {
if (n == 0) {
return len;
}
else {
len++;
findlen(n / 10);
}}
// Function to add a random number to the game board void addrandomno() { int no; srand(time(NULL)); int i, j; // RANDOM INDEX do { i = (rand()) % (MAXRANDOMVALUE + 1); j = (rand()) % (MAXRANDOMVALUE + 1); } while (arr[i][j] != 0); // printf("%d %d",i,j); no = 2 * ((rand() % 10) + 1); if (no == 3 || no == 2) { arr[i][j] = 4; } else { arr[i][j] = 2; } }
// Function to update the array after moving values void rupdate() { int i, j; for (i = 3; i > 0; i--) { if (c[i] == c[i - 1]) { c[i] += c[i - 1]; score = score + c[i]; if (score > highscore) { } temp = 1; c[i - 1] = 0; } else if (c[i - 1] == 0 && c[i] != 0) { c[i - 1] = c[i]; c[i] = 0; temp = 1; } else if (c[i] == 0) { temp = 1; } } movevalue(0); }
// Function to create a previous state in the history void createprev(int*** p) { int i, j, k; FILE* ptr; ptr = fopen("hstr.txt", "a"); fprintf(ptr, "%d ", score); fclose(ptr);
if (count == MAXPREV + 1) {
for (i = MAXPREV; i > 0; i--) {
for (j = 0; j < 4; j++) {
for (k = 0; k < 4; k++) {
p[i][j][k] = p[i - 1][j][k];
}
}
}
count = MAXPREV;
}
for (i = 0; i < 4; i++) {
for (j = 0; j < 4; j++) {
p[MAXPREV - count][i][j] = arr[i][j];
}
}}
// Function to update the array to a previous state void updatearrtoprev(int*** p) { int data, i, j; if (count == 0) { printf("\nFURTHER MORE PREV NOT " "POSSIBLE**"); return; } FILE* ptr = fopen("hstr.txt", "r+"); for (i = 0; i < count; i++) { fscanf(ptr, "%d ", &data); } score = data;
for (i = 0; i < 4; i++) {
for (j = 0; j < 4; j++) {
arr[i][j] = p[MAXPREV - count][i][j];
}
}
count--;}
// Function to reset the game void resetgame() { int i, j; for (i = 0; i < 4; i++) { for (j = 0; j < 4; j++) { arr[i][j] = 0; } } system("clear || cls"); score = 0; addrandomno(); } int main() { int i, j, k, m, n, same = 0; char choise, s = -33, reschk; printf("===============2048==============\n"); printf("WELCOME TO PUZZLE 2048\n"); printf("> CONTROLS\n"); printf(" FOR MOVES:- 'W','S','A','D'\n"); printf(" GO BACKWARD:- 'P'\n"); printf(" RESTAT THE GAME:- 'R'\n"); printf(" EXIT:-'U'\n");
printf("\nPRESS ANY KEY TO START THE GAME....");
getchar();
system("clear || cls");
printf("\n===============2048==============\n");
printf("\nLOADING...\n");
for (int i = 0, j; i < 35; i++) {
printf("%c", s);
j = i;
if (i % 2 != 0 && i < 20) {
usleep(1000);
}
}
usleep(1000);
system("clear || cls");
int*** p;
p = (int***)malloc(sizeof(int*) * (MAXPREV + 1));
for (int i = 0; i < MAXPREV + 1; i++) {
*(p + i) = (int**)malloc(sizeof(int*) * 4);
}
for (int i = 0; i < MAXPREV + 1; i++) {
for (int j = 0; j < 4; j++) {
p[i][j] = (int*)malloc(sizeof(int) * 4);
}
}
createprev(p);
FILE* ptr;
ptr = fopen("highscore.txt", "r");
fscanf(ptr, "%d", &highscore);
fclose(ptr);
ptr = fopen("hstr.txt", "w");
fclose(ptr);
addrandomno();
print();
while (1) {
if (score > highscore) {
ptr = fopen("highscore.txt", "w");
fprintf(ptr, "%d", score);
fclose(ptr);
}
choise = getchar();
// Clear the input buffer
while (getchar() != '\n')
;
if (choise == 'D' || choise == 'd') {
count++;
ch++;
createprev(p);
for (i = 0; i < 4; i++) {
for (j = 0; j < 4; j++) {
c[j] = arr[i][j];
}
rupdate();
for (k = 0; k < 4; k++) {
arr[i][k] = c[k];
}
}
}
else if (choise == 'a' || choise == 'A') {
count++;
ch++;
createprev(p);
for (i = 0; i < 4; i++) {
for (j = 3; j >= 0; j--) {
c[3 - j] = arr[i][j];
}
rupdate();
for (k = 0; k < 4; k++) {
arr[i][3 - k] = c[k];
}
}
}
else if (choise == 's' || choise == 'S') {
count++;
ch++;
createprev(p);
for (i = 0; i < 4; i++) {
for (j = 0; j < 4; j++) {
c[j] = arr[j][i];
}
rupdate();
for (k = 0; k < 4; k++) {
arr[k][i] = c[k];
}
}
}
else if (choise == 'w' || choise == 'W') {
count++;
ch++;
createprev(p);
for (i = 0; i < 4; i++) {
for (j = 3; j >= 0; j--) {
c[3 - j] = arr[j][i];
}
rupdate();
for (k = 0; k < 4; k++) {
arr[3 - k][i] = c[k];
}
}
}
else if (choise == 'p' || choise == 'p') {
updatearrtoprev(p);
temp = 8;
}
else if (choise == 'R' || choise == 'r') {
count = 0;
resetgame();
print();
continue;
}
else if (choise == 'u' || choise == 'U') {
exit(0);
}
if (temp == 1) {
temp = 0;
system("clear || cls");
printf("\n%c\n", choise);
addrandomno();
print();
}
else if (temp == 8) {
temp = 0;
print();
}
else {
for (m = 0; m < 4; m++) {
for (n = 3; n > 0; n--) {
if (arr[m][n] == arr[m][n - 1]
|| arr[m][n] == 0
|| arr[m][n - 1] == 0) {
same = 1;
break;
}
if (arr[n][m] == arr[n - 1][m]
|| arr[m][n] == 0
|| arr[m][n - 1] == 0) {
same = 1;
break;
}
}
if (same == 1)
break;
}
if (same == 1) {
printf("\n============INVALID "
"KEY==========\n");
same = 0;
}
else {
printf(
"\n=============GAME OVER============");
printf("\nWANT TO PLAY MORE?? Y/N??\n");
reschk = getchar();
while (getchar() != '\n')
; // Clear the input buffer
switch (reschk) {
case 'Y':
case 'y':
resetgame();
print();
break;
case 'n':
case 'N':
exit(0);
}
continue;
}
}
}
return 0;}
`