How to use PHP and Unity3D combined with Workerman to realize copies and levels in the game

How to use PHP and Unity3D combined with Workerman to implement copies and levels in the game

Introduction:
In game development, copies and levels are very important elements. This article will introduce how to use PHP and Unity3D combined with Workerman to implement copy and level functions in the game. At the same time, we will also provide some code examples to help readers better understand and practice.

Technical preparation:
Before we start, we need to prepare the following technologies and tools:

1. PHP: As a server-side programming language, we will use PHP to handle in-game Copy and level logic.
2. Unity3D: As the client's development engine, we will use Unity3D to implement the UI and scenes of the game.
3. Workerman: A high-performance asynchronous event-driven network library for PHP. We will use Workerman to implement communication between the server and the client.

Step 1: Server-side implementation

1. On the server side, we first need to create a PHP file as the game server. We can use Workerman to create a simple TCP server that handles client requests and sends game data.

// 引入Workerman库
require_once 'workerman/Autoloader.php';

// 创建一个Worker监听8888端口
$worker = new Worker('tcp://0.0.0.0:8888');

// 定义当客户端连接成功时的回调处理函数
$worker->onConnect = function($connection){
    echo "New Connection
";
};

// 定义当接收到客户端数据时的回调处理函数
$worker->onMessage = function($connection, $data){
    // 处理接收到的数据并返回结果给客户端
    $response = handleData($data);
    $connection->send($response);
};

// 运行Worker
Worker::runAll();

// 处理客户端数据的函数
function handleData($data){
    // 根据客户端的请求处理业务逻辑
    // 例如，根据传递的关卡ID获取关卡数据，并返回给客户端
    $levelId = $data['levelId'];
    $levelData = getLevelData($levelId);
    return $levelData;
}

// 根据关卡ID获取关卡数据的函数
function getLevelData($levelId){
    // 从数据库中获取关卡数据并返回
    // 省略数据库查询代码...
    return $levelData;
}

2. In the above code, we first create a Worker object and specify the listening port. Then, we defined a callback function for successful connection and data reception, which is used to handle client requests and send game data. Finally, we run the Worker object.

Step 2: Client implementation

1. In Unity3D, we need to create a C# script to handle communication with the server.

using UnityEngine;
using System.Net.Sockets;
using System.Text;
using System.Threading;

public class GameClient : MonoBehaviour
{
    // 服务器地址和端口
    private string serverAddress = "127.0.0.1";
    private int serverPort = 8888;

    // 与服务器的连接对象
    private TcpClient client;

    // 接收服务器数据的线程
    private Thread receiveThread;

    // Start is called before the first frame update
    void Start()
    {
        // 连接服务器
        client = new TcpClient();
        client.Connect(serverAddress, serverPort);

        // 启动接收数据的线程
        receiveThread = new Thread(ReceiveData);
        receiveThread.Start();
    }

    // 接收服务器数据的方法
    void ReceiveData()
    {
        while (true)
        {
            // 判断与服务器的连接是否断开
            if (!client.Connected)
            {
                break;
            }

            // 接收服务器数据
            byte[] buffer = new byte[1024];
            int bytesRead = client.GetStream().Read(buffer, 0, buffer.Length);

            // 将接收到的数据转换为字符串
            string data = Encoding.UTF8.GetString(buffer, 0, bytesRead);

            // 处理接收到的数据
            HandleData(data);
        }
    }

    // 处理接收到的数据的方法
    void HandleData(string data)
    {
        // 解析接收到的关卡数据，并更新游戏场景
        // 省略代码...
    }

    // 发送请求到服务器的方法
    void SendRequest(string request)
    {
        // 将请求发送给服务器
        byte[] buffer = Encoding.UTF8.GetBytes(request);
        client.GetStream().Write(buffer, 0, buffer.Length);
    }

    // 关闭与服务器的连接的方法
    void CloseConnection()
    {
        client.Close();
    }

    // 在游戏结束时关闭与服务器的连接
    private void OnApplicationQuit()
    {
        CloseConnection();
    }
}

2. In the above code, we first create a TcpClient object and call the Connect method to connect to the server. Then, we start a thread to receive the server data and call the HandleData method to process the data after receiving the data. Finally, we can implement methods for sending requests to the server and methods for closing the connection to the server as needed.

Summary:
Through the above steps, we can use PHP and Unity3D combined with Workerman to realize the copy and level functions in the game. Through the server-side PHP code, we can handle the client's request and obtain the level data from the database and return it to the client as needed. The client communicates with the server through Unity3D's C# script and updates the game scene based on the received data. I hope this article can help readers better understand and practice the implementation of copy and level functions.

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