2048小游戏c语言源代码

下面是一个简单的2048小游戏的C语言源代码：

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

#define ROWS 4
#define COLS 4

void init(int board[][COLS])
{
    int i, j;

    for (i = 0; i < ROWS; i++) {
        for (j = 0; j < COLS; j++) {
            board[i][j] = 0;
        }
    }
}

void print_board(int board[][COLS])
{
    int i, j;

    for (i = 0; i < ROWS; i++) {
        for (j = 0; j < COLS; j++) {
            printf("%d\t", board[i][j]);
        }
        printf("\n");
    }
}

void add_random_number(int board[][COLS])
{
    int i, j, r;

    do {
        i = rand() % ROWS;
        j = rand() % COLS;
    } while (board[i][j] != 0);

    r = (rand() % 2 + 1) * 2;

    board[i][j] = r;
}

void move_up(int board[][COLS])
{
    int i, j, k;

    for (j = 0; j < COLS; j++) {
        for (i = 1; i < ROWS; i++) {
            if (board[i][j] != 0) {
                k = i;
                while (k > 0 && board[k-1][j] == 0) {
                    board[k-1][j] = board[k][j];
                    board[k][j] = 0;
                    k--;
                }
                if (k > 0 && board[k-1][j] == board[k][j]) {
                    board[k-1][j] *= 2;
                    board[k][j] = 0;
                }
            }
        }
    }
}

void move_down(int board[][COLS])
{
    int i, j, k;

    for (j = 0; j < COLS; j++) {
        for (i = ROWS - 2; i >= 0; i--) {
            if (board[i][j] != 0) {
                k = i;
                while (k < ROWS - 1 && board[k+1][j] == 0) {
                    board[k+1][j] = board[k][j];
                    board[k][j] = 0;
                    k++;
                }
                if (k < ROWS - 1 && board[k+1][j] == board[k][j]) {
                    board[k+1][j] *= 2;
                    board[k][j] = 0;
                }
            }
        }
    }
}

void move_left(int board[][COLS])
{
    int i, j, k;

    for (i = 0; i < ROWS; i++) {
        for (j = 1; j < COLS; j++) {
            if (board[i][j] != 0) {
                k = j;
                while (k > 0 && board[i][k-1] == 0) {
                    board[i][k-1] = board[i][k];
                    board[i][k] = 0;
                    k--;
                }
                if (k > 0 && board[i][k-1] == board[i][k]) {
                    board[i][k-1] *= 2;
                    board[i][k] = 0;
                }
            }
        }
    }
}

void move_right(int board[][COLS])
{
    int i, j, k;

    for (i = 0; i < ROWS; i++) {
        for (j = COLS - 2; j >= 0; j--) {
            if (board[i][j] != 0) {
                k = j;
                while (k < COLS - 1 && board[i][k+1] == 0) {
                    board[i][k+1] = board[i][k];
                    board[i][k] = 0;
                    k++;
                }
                if (k < COLS - 1 && board[i][k+1] == board[i][k]) {
                    board[i][k+1] *= 2;
                    board[i][k] = 0;
                }
            }
        }
    }
}

int game_over(int board[][COLS])
{
    int i, j;

    for (i = 0; i < ROWS; i++) {
        for (j = 0; j < COLS; j++) {
            if (board[i][j] == 0) {
                return 0;
            }
            if (i < ROWS - 1 && board[i][j] == board[i+1][j]) {
                return 0;
            }
            if (j < COLS - 1 && board[i][j] == board[i][j+1]) {
                return 0;
            }
        }
    }

    return 1;
}

int main()
{
    int board[ROWS][COLS];
    char input;

    srand(time(NULL));

    init(board);

    add_random_number(board);
    add_random_number(board);

    while (1) {
        printf("\n");
        print_board(board);

        if (game_over(board)) {
            printf("Game over!\n");
            break;
        }

        printf("Use arrow keys to move. Press q to quit.\n");
        input = getchar();

        if (input == 'q') {
            break;
        }

        if (input == '\033') {
            getchar(); // skip [
            switch (getchar()) {
                case 'A':
                    move_up(board);
                    break;
                case 'B':
                    move_down(board);
                    break;
                case 'C':
                    move_right(board);
                    break;
                case 'D':
                    move_left(board);
                    break;
            }

            add_random_number(board);
        }
    }

    return 0;
}

这是一个简化版的2048小游戏，只支持上下左右移动，不支持撤销和计分等功能。如果需要完整的游戏体验，还需要进行一些扩展。