2048小游戏C语言代码

以下是一个简单的 2048 小游戏的 C 语言代码实现，只供参考：

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

#define SIZE 4
#define TARGET 2048

int board[SIZE][SIZE];

// 初始化棋盘
void init_board() {
    for (int i = 0; i < SIZE; i++) {
        for (int j = 0; j < SIZE; j++) {
            board[i][j] = 0;
        }
    }
}

// 在空余位置随机生成数字2或4
void spawn_random() {
    int empty_count = 0;
    int empty_cells[SIZE * SIZE][2];

    for (int i = 0; i < SIZE; i++) {
        for (int j = 0; j < SIZE; j++) {
            if (board[i][j] == 0) {
                empty_cells[empty_count][0] = i;
                empty_cells[empty_count][1] = j;
                empty_count++;
            }
        }
    }

    if (empty_count == 0) {
        return;
    }

    int random_index = rand() % empty_count;
    int x = empty_cells[random_index][0];
    int y = empty_cells[random_index][1];
    board[x][y] = (rand() % 2 + 1) * 2;
}

// 判断游戏是否结束
int is_game_over() {
    for (int i = 0; i < SIZE; i++) {
        for (int j = 0; j < SIZE; j++) {
            if (board[i][j] == 0) {
                return 0;
            }
            if (i > 0 && board[i][j] == board[i - 1][j]) {
                return 0;
            }
            if (j > 0 && board[i][j] == board[i][j - 1]) {
                return 0;
            }
        }
    }
    return 1;
}

// 向左移动
void move_left() {
    for (int i = 0; i < SIZE; i++) {
        int write_index = 0;
        for (int j = 0; j < SIZE; j++) {
            if (board[i][j] != 0) {
                if (write_index != j) {
                    board[i][write_index] = board[i][j];
                    board[i][j] = 0;
                }
                write_index++;
            }
        }
    }
}

// 向右移动
void move_right() {
    for (int i = 0; i < SIZE; i++) {
        int write_index = SIZE - 1;
        for (int j = SIZE - 1; j >= 0; j--) {
            if (board[i][j] != 0) {
                if (write_index != j) {
                    board[i][write_index] = board[i][j];
                    board[i][j] = 0;
                }
                write_index--;
            }
        }
    }
}

// 向上移动
void move_up() {
    for (int j = 0; j < SIZE; j++) {
        int write_index = 0;
        for (int i = 0; i < SIZE; i++) {
            if (board[i][j] != 0) {
                if (write_index != i) {
                    board[write_index][j] = board[i][j];
                    board[i][j] = 0;
                }
                write_index++;
            }
        }
    }
}

// 向下移动
void move_down() {
    for (int j = 0; j < SIZE; j++) {
        int write_index = SIZE - 1;
        for (int i = SIZE - 1; i >= 0; i--) {
            if (board[i][j] != 0) {
                if (write_index != i) {
                    board[write_index][j] = board[i][j];
                    board[i][j] = 0;
                }
                write_index--;
            }
        }
    }
}

// 合并相邻的相同数字
void merge() {
    for (int i = 0; i < SIZE; i++) {
        for (int j = 1; j < SIZE; j++) {
            if (board[i][j] != 0 && board[i][j - 1] == board[i][j]) {
                board[i][j - 1] *= 2;
                board[i][j] = 0;
            }
        }
    }
}

// 打印棋盘
void print_board() {
    for (int i = 0; i < SIZE; i++) {
        for (int j = 0; j < SIZE; j++) {
            printf("%d\t", board[i][j]);
        }
        printf("\n");
    }
    printf("\n");
}

// 主函数
int main() {
    srand(time(NULL));
    init_board();
    spawn_random();
    spawn_random();
    print_board();

    while (!is_game_over()) {
        char input = getchar();
        getchar();
        switch (input) {
            case 'a':
                move_left();
                merge();
                move_left();
                break;
            case 'd':
                move_right();
                merge();
                move_right();
                break;
            case 'w':
                move_up();
                merge();
                move_up();
                break;
            case 's':
                move_down();
                merge();
                move_down();
                break;
            default:
                break;
        }
        spawn_random();
        print_board();
    }

    printf("Game over!\n");
    return 0;
}

注意：此代码仅供学习参考，实现并不完善，可能存在一些问题和不足之处，如有需要请自行调整。