UE UDP Receiver Plugin

Simple Unreal Engine (UE) plugin containing an actor component which creates a UDP receiver socket for inter-communication.

Features

• Event-driven UDP message processing
• Send message functionality for client communication
• Blueprint integration
• Customizable IP, port, and buffer size

Dependencies

Plugin makes use of Networking and Sockets UE modules.

Installation

1. Clone this repository into your Plugins/ directory:

   $ git clone https://github.com/wjake/ue-udp-receiver.git Plugins/UDPReceiver

2. Open your Unreal Engine project, and enable the plugin in the Plugins Manager.

Usage

Unreal Engine

1. Add the UUDPReceiver component to your actor
2. Configure the properties (IP, Port, etc.)
3. Set component Auto activate in Details pane, or call StartUDPReceiver in the Event Graph
4. Use OnMessageReceivedEvent node to handle received messages
5. Use SendMessage node to send message to a client

Client Example (Python)

1. Import socket library dependency

import socket

2. Define socket IP address & port number

server_address = ('127.0.0.1', 65432)

3. Create connection to UDP socket

udp_socket = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

4. Send data

udp_socket.sendto('data', server_address)

5. Receive Message

data, server = udp_socket.recvfrom(1024)

6. Close socket connection

udp_socket.close()