How to use Workerman to implement a multiplayer online strategy game through the combination of PHP and Unity3D

How to use Workerman with PHP and Unity3D to implement a multiplayer online strategy game

In today's Internet era, multiplayer online strategy games have become a favorite type of many gamers. How to use the cooperation of PHP and Unity3D to realize the function of multiplayer online strategy game through Workerman is the theme of this article.

1. Build a server using Workerman

Workerman is a high-performance PHP socket framework that can support multi-person online real-time interaction. First, we need to build a Workerman server to handle player connections and real-time communication.

require_once DIR . '/Workerman/Autoloader.php'; //Introduce Workerman's automatic loading file

use WorkermanWorker;

// Create a Worker to listen to port 2345 and communicate using the websocket protocol
$ws_worker = new Worker("websocket://0.0.0.0:2345");

// Set the number of processes
$ws_worker->count = 4;

//When the client connects, send a new connection id to the client and save the client connection object
$ws_worker-> ;onConnect = function ($connection) {

$connection->send(json_encode(['type' => 'connect', 'id' => $connection->id]));

};

// When the client sends a message, forward it to everyone
$ws_worker->onMessage = function ( $connection, $data) {

foreach ($connection->worker->connections as $client_conn) {
    $client_conn->send($data);
}

};

//When a client disconnects, broadcast to everyone
$ws_worker->onClose = function ($ connection) {

foreach ($connection->worker->connections as $client_conn) {
    $client_conn->send(json_encode(['type' => 'disconnect', 'id' => $connection->id]));
}

};

// Run worker
Worker::runAll();
?>

The above code creates a WebSocket The server listens to port 2345 and implements the function of sending the connection id when it is first connected, forwarding it to everyone when it receives the message, and broadcasting it to everyone when it is disconnected.

2. Unity3D client connects to the server

Using Unity3D to develop a game client, we can use the WebSocket protocol to communicate with the server. First, we need to introduce the WebSocket library.

using UnityEngine;
using WebSocketSharp;

public class GameClient : MonoBehaviour
{

private WebSocket webSocket;

// 连接服务器
void Start()
{
    webSocket = new WebSocket("ws://127.0.0.1:2345"); // 替换为你服务器的IP和端口
    webSocket.OnOpen += (sender, e) => {
        Debug.Log("Connected to server!");
    };
    webSocket.OnMessage += (sender, e) => {
        Debug.Log("Received message: " + e.Data);
    };
    webSocket.OnClose += (sender, e) => {
        Debug.Log("Disconnected from server!");
    };
    webSocket.Connect();
}

// 发送消息给服务器
void Update()
{
    if (Input.GetKeyDown(KeyCode.Space)) {
        webSocket.Send("Hello, server!");
    }
}

// 关闭连接
void OnDestroy()
{
    webSocket.Close();
}

}

The above code connects to the server address The WebSocket server with port 127.0.0.1 and port 2345 has corresponding callback functions when the connection is successful, the message is received, and the connection is closed.

So far, we have implemented the basic function of using Workerman to build a multiplayer online strategy game through the combination of PHP and Unity3D. Through real-time communication between the server and the client, we can realize real-time combat, chat, team formation and other functions. At the same time, we can expand based on this framework to implement more complex game logic and functions.

Summary

This article introduces how to use Workerman to realize a multiplayer online strategy game through the combination of PHP and Unity3D. By building a server through Workerman and establishing a connection with Unity3D, we can achieve real-time communication and multi-person interaction. I hope this article will be helpful to developers who are developing multiplayer games, and can provide readers with ideas and inspiration for implementing multiplayer online strategy games.

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