Rollback netcode in Godot (part 2): Getting Started with the Godot Rollback Netcode addon!

This tutorial is part of the Rollback Netcode in Godot course. See the previous part if you haven't already!

This is the 2nd part in a tutorial series teaching how to implement rollback netcode in your game in Godot, using the Godot Rollback Netcode addon:

https://gitlab.com/snopek-games/godot-rollback-netcode/

In this part, we install the Godot Rollback Netcode addon, and create the simplest possible demo game from scratch. We'll continue to build on this game in future parts in this series.

Here's the Git repo with the tutorial code (so you don't have to re-type from the screen):

https://gitlab.com/snopek-games/godot-rollback-tutorial

All the tutorials in this course

1. Rollback netcode in Godot (part 1): What is rollback and prediction?
2. Rollback netcode in Godot (part 2): Getting Started with the Godot Rollback Netcode addon!
3. Rollback netcode in Godot (part 3): Making a custom MessageSerializer
4. Rollback netcode in Godot (part 4): Spawning scenes and NetworkTimer
5. Rollback netcode in Godot (part 5): State, hashing and mismatches
6. Rollback netcode in Godot (part 6): Playing offline!
7. Rollback netcode in Godot (part 7): Input Delay and Interpolation
8. Rollback netcode in Godot (part 8): Animation Players
9. Rollback netcode in Godot (part 9): Sound Effects
10. Rollback netcode in Godot (part 10): Random Numbers
11. Rollback netcode in Godot (part 11): Advanced Input Prediction