c语言小游戏代码2048

以下是一个简单的 C 语言实现 2048 小游戏的代码示例：

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

#define SIZE 4
#define TARGET 2048

int board[SIZE][SIZE];

void init_board() {
    int i, j;
    for (i = 0; i < SIZE; i++) {
        for (j = 0; j < SIZE; j++) {
            board[i][j] = 0;
        }
    }
}

void print_board() {
    int i, j;
    printf("-----------------------------\n");
    for (i = 0; i < SIZE; i++) {
        printf("|");
        for (j = 0; j < SIZE; j++) {
            if (board[i][j] == 0) {
                printf("      |");
            } else {
                printf("%6d|", board[i][j]);
            }
        }
        printf("\n-----------------------------\n");
    }
}

void place_random_tile() {
    int i, j;
    int empty_spots[SIZE * SIZE][2];
    int num_empty_spots = 0;
    for (i = 0; i < SIZE; i++) {
        for (j = 0; j < SIZE; j++) {
            if (board[i][j] == 0) {
                empty_spots[num_empty_spots][0] = i;
                empty_spots[num_empty_spots][1] = j;
                num_empty_spots++;
            }
        }
    }
    if (num_empty_spots == 0) {
        return;
    }
    int index = rand() % num_empty_spots;
    int value = (rand() % 10 == 0) ? 4 : 2;
    board[empty_spots[index][0]][empty_spots[index][1]] = value;
}

int slide_row(int row[]) {
    int i, j;
    int num_changes = 0;
    for (i = 0; i < SIZE - 1; i++) {
        if (row[i] == 0) {
            for (j = i + 1; j < SIZE; j++) {
                if (row[j] != 0) {
                    row[i] = row[j];
                    row[j] = 0;
                    num_changes++;
                    break;
                }
            }
        }
        for (j = i + 1; j < SIZE; j++) {
            if (row[j] == row[i]) {
                row[i] *= 2;
                row[j] = 0;
                num_changes++;
                break;
            } else if (row[j] != 0) {
                break;
            }
        }
    }
    return num_changes;
}

int slide_board(int direction) {
    int i, j;
    int num_changes = 0;
    switch (direction) {
        case 0: // Slide left
            for (i = 0; i < SIZE; i++) {
                num_changes += slide_row(board[i]);
            }
            break;
        case 1: // Slide up
            for (i = 0; i < SIZE; i++) {
                int row[SIZE];
                for (j = 0; j < SIZE; j++) {
                    row[j] = board[j][i];
                }
                num_changes += slide_row(row);
                for (j = 0; j < SIZE; j++) {
                    board[j][i] = row[j];
                }
            }
            break;
        case 2: // Slide right
            for (i = 0; i < SIZE; i++) {
                int row[SIZE];
                for (j = 0; j < SIZE; j++) {
                    row[j] = board[i][SIZE - 1 - j];
                }
                num_changes += slide_row(row);
                for (j = 0; j < SIZE; j++) {
                    board[i][SIZE - 1 - j] = row[j];
                }
            }
            break;
        case 3: // Slide down
            for (i = 0; i < SIZE; i++) {
                int row[SIZE];
                for (j = 0; j < SIZE; j++) {
                    row[j] = board[SIZE - 1 - j][i];
                }
                num_changes += slide_row(row);
                for (j = 0; j < SIZE; j++) {
                    board[SIZE - 1 - j][i] = row[j];
                }
            }
            break;
    }
    return num_changes;
}

int game_over() {
    int i, j;
    for (i = 0; i < SIZE; i++) {
        for (j = 0; j < SIZE; j++) {
            if (board[i][j] == 0) {
                return 0;
            } else if (board[i][j] == TARGET) {
                return 1;
            }
        }
    }
    for (i = 0; i < SIZE; i++) {
        for (j = 0; j < SIZE - 1; j++) {
            if (board[i][j] == board[i][j + 1]) {
                return 0;
            }
            if (board[j][i] == board[j + 1][i]) {
                return 0;
            }
        }
    }
    return 1;
}

int main() {
    srand(time(NULL));
    init_board();
    place_random_tile();
    place_random_tile();
    print_board();
    while (!game_over()) {
        int direction;
        printf("Enter direction (0 = left, 1 = up, 2 = right, 3 = down): ");
        scanf("%d", &direction);
        int num_changes = slide_board(direction);
        if (num_changes > 0) {
            place_random_tile();
        }
        print_board();
    }
    printf("Game over!\n");
    return 0;
}

这段代码使用了二维数组来表示游戏面板，其中 `board[i][j]` 表示第 i 行第 j 列的格子上的数字。游戏的主要逻辑在 `slide_row` 和 `slide_board` 函数中，它们用于在一个行或列上执行滑动操作，并返回滑动时数字发生的变化次数。在主循环中，程序等待用户输入一个方向并执行相应的滑动操作，直到游戏结束为止。在每次滑动后，程序会随机在空格子上放置一个新的数字，并打印出当前的游戏面板。游戏结束时，程序会输出 "Game over!"。