Implementing Lag Compensation

Welcome to one of the most anticipated chapters in the book. Here, we will dive into the core of online multiplayer game optimization. In the world of online gaming, where players from across the globe unite to embark on epic adventures, two formidable adversaries lurk in the shadows; they are lag and latency. These foes can transform a thrilling gaming experience into a frustrating trial. In this chapter, we’ll confront these challenges head-on, arming you with the knowledge and tools to mitigate their impact and create an engaging online gaming environment.

In this chapter, we will use Remote Procedure Calls (RPCs) to implement lag compensation techniques, in order to make the Player node’s Spaceship node maintain its position and rotation, synced throughout the game instances across the network. For that, we will understand the core issues regarding packet loss and latency, something common when we use unreliable packets, as we do when...