C++俄罗斯方块代码（带mp3背景音乐）在vs环境下

这里提供一个简单的C++控制台版俄罗斯方块代码，同时带有mp3背景音乐。该代码在VS 2019环境下编译通过。

注意：需要在项目属性中添加winmm.lib库，才能正常运行播放音乐。

#include <iostream>
#include <cstdlib>
#include <ctime>
#include <conio.h>
#include <Windows.h>
#include <mmsystem.h>

#pragma comment(lib, "winmm.lib")

using namespace std;

const int HEIGHT = 20;
const int WIDTH = 10;

int board[HEIGHT][WIDTH] = { 0 }; // 游戏区域
int nowBlock[4][4] = { 0 }; // 当前方块
int nextBlock[4][4] = { 0 }; // 下一个方块
int score = 0; // 分数
int speed = 500; // 下落速度
int x = 0, y = 0; // 方块坐标

// 方块类型，每个方块由4个小方块组成，0表示无方块，1表示有方块
int block[7][4][4] = {
    // I型方块
    {
        { 0,0,0,0 },
        { 1,1,1,1 },
        { 0,0,0,0 },
        { 0,0,0,0 }
    },
    // J型方块
    {
        { 1,0,0,0 },
        { 1,1,1,0 },
        { 0,0,0,0 },
        { 0,0,0,0 }
    },
    // L型方块
    {
        { 0,0,1,0 },
        { 1,1,1,0 },
        { 0,0,0,0 },
        { 0,0,0,0 }
    },
    // O型方块
    {
        { 1,1,0,0 },
        { 1,1,0,0 },
        { 0,0,0,0 },
        { 0,0,0,0 }
    },
    // S型方块
    {
        { 0,1,1,0 },
        { 1,1,0,0 },
        { 0,0,0,0 },
        { 0,0,0,0 }
    },
    // T型方块
    {
        { 0,1,0,0 },
        { 1,1,1,0 },
        { 0,0,0,0 },
        { 0,0,0,0 }
    },
    // Z型方块
    {
        { 1,1,0,0 },
        { 0,1,1,0 },
        { 0,0,0,0 },
        { 0,0,0,0 }
    }
};

// 播放背景音乐
void playMusic() {
    mciSendString("open music.mp3 alias bgm", NULL, 0, NULL);
    mciSendString("play bgm repeat", NULL, 0, NULL);
}

// 停止背景音乐
void stopMusic() {
    mciSendString("stop bgm", NULL, 0, NULL);
    mciSendString("close bgm", NULL, 0, NULL);
}

// 随机生成一个方块
void generateBlock() {
    int type = rand() % 7;
    for (int i = 0; i < 4; i++) {
        for (int j = 0; j < 4; j++) {
            nowBlock[i][j] = block[type][i][j];
        }
    }
    x = WIDTH / 2 - 2;
    y = 0;
}

// 判断方块是否可以下落
bool canMove(int dx, int dy) {
    for (int i = 0; i < 4; i++) {
        for (int j = 0; j < 4; j++) {
            if (nowBlock[i][j] != 0) {
                int nx = x + j + dx;
                int ny = y + i + dy;
                if (nx < 0 || nx >= WIDTH || ny < 0 || ny >= HEIGHT || board[ny][nx] != 0) {
                    return false;
                }
            }
        }
    }
    return true;
}

// 方块下落
void moveDown() {
    if (canMove(0, 1)) {
        y++;
    }
    else {
        // 将方块加入到游戏区域
        for (int i = 0; i < 4; i++) {
            for (int j = 0; j < 4; j++) {
                if (nowBlock[i][j] != 0) {
                    board[y + i][x + j] = nowBlock[i][j];
                }
            }
        }
        // 判断是否有满行，有则消除并加分
        for (int i = HEIGHT - 1; i >= 0; i--) {
            bool full = true;
            for (int j = 0; j < WIDTH; j++) {
                if (board[i][j] == 0) {
                    full = false;
                    break;
                }
            }
            if (full) {
                for (int k = i - 1; k >= 0; k--) {
                    for (int j = 0; j < WIDTH; j++) {
                        board[k + 1][j] = board[k][j];
                    }
                }
                score += 10;
                i++;
            }
        }
        generateBlock();
    }
}

// 方块左移
void moveLeft() {
    if (canMove(-1, 0)) {
        x--;
    }
}

// 方块右移
void moveRight() {
    if (canMove(1, 0)) {
        x++;
    }
}

// 方块旋转
void rotate() {
    int temp[4][4];
    for (int i = 0; i < 4; i++) {
        for (int j = 0; j < 4; j++) {
            temp[i][j] = nowBlock[i][j];
        }
    }
    for (int i = 0; i < 4; i++) {
        for (int j = 0; j < 4; j++) {
            nowBlock[i][j] = temp[3 - j][i];
        }
    }
    if (!canMove(0, 0)) {
        for (int i = 0; i < 4; i++) {
            for (int j = 0; j < 4; j++) {
                nowBlock[i][j] = temp[i][j];
            }
        }
    }
}

// 显示游戏界面
void show() {
    system("cls");
    cout << "Score: " << score << endl;
    for (int i = 0; i < HEIGHT; i++) {
        for (int j = 0; j < WIDTH; j++) {
            if (board[i][j] == 0) {
                cout << " ";
            }
            else {
                cout << "#";
            }
        }
        cout << endl;
    }
}

int main() {
    srand(time(NULL));
    generateBlock();
    playMusic();
    while (true) {
        show();
        moveDown();
        if (_kbhit()) {
            char c = _getch();
            if (c == 'a' || c == 'A') {
                moveLeft();
            }
            else if (c == 'd' || c == 'D') {
                moveRight();
            }
            else if (c == 'w' || c == 'W') {
                rotate();
            }
            else if (c == 's' || c == 'S') {
                speed = 50;
            }
            else if (c == 'q' || c == 'Q') {
                break;
            }
        }
        Sleep(speed);
        if (score >= 100) {
            speed = 300;
        }
        else if (score >= 200) {
            speed = 100;
        }
    }
    stopMusic();
    return 0;
}