Marvelous Bob

Top-down multiplayer coop Defend-Your-Base game.

Project structure

This repository contains 4 modules:

1. client
2. server
3. common
4. desktop

The common is used by both the server and the client.

The desktop is the launcher for the client.

Other folders

• .github: CI/CD (GitHub Actions)
• .run: the provided IntelliJ Run Configuration
• utils: miscellaneous stuff for the developers

Tech Stack

Common to all modules

• Java 14 (language)
• Gradle (build)
• JPackage + JLink (lightweight releases)
• libGDX (framework)
• KryoNet (networking)
• Lombok (boilerplate)
• Slf4j (logging)

Server module

• AWS ECS (cloud)
• Docker (container)
• GitHub Actions (CI/CD)

(older) Demonstrations

Above is a static image showing the console once SSH'd into the server. Below is a recording of that same interaction. In both cases, two different computers were used to connect to the remote server.

Below is a recording of me manipulating 2 clients (green and white) simultaneously connected to the remote server, while my partner manipulates 2 other clients on his own computer (red and purple).

Below is a showcase of the procedurally generated levels.

Useful references concerning real-time multiplayer games

• Short and sweet, a high-level overview of the different challenges, with images: Client-Server Game Architecture
• Very detailed step-by-step coding guide specifically for a libGDX game: Developing Lag Compensated Multiplayer Game
• Deep dive into the complexities of OverWatch's NetCode: Overwatch Gameplay Architecture and Netcode