Book Image

Godot 4 Game Development Cookbook

By : Jeff Johnson
5 (1)
Book Image

Godot 4 Game Development Cookbook

5 (1)
By: Jeff Johnson

Overview of this book

Want to transition from Godot 3 to 4? Look no further than the Godot 4 Game Development Cookbook. This comprehensive guide covers everything you need to become proficient with the latest GUI, GDscript 2.0, Vulkan 2D/3D rendering, shaders, audio, physics, TileSet/TileMap, importing, sound/music, animation, and multiplayer workflows. With its detailed recipes, the book leaves no stone unturned. The Godot 4 Cookbook begins by exploring the updated graphical user interface and helps you familiarize yourself with the new features of GDscript 2.0. Next, it delves into the efficient rendering of 2D and 3D graphics using the Vulkan renderer. As it guides you in navigating the new Godot 4 platform, the book offers an in-depth understanding of shaders, including the latest enhancements to the shader language. Moreover, it covers a range of other topics, including importing from Blender, working with audio, and demystifying the new Vulkan Renderer and the physics additions for 2D and 3D. The book also shows you how the new changes to TileSet and TileMap make 2D game development easy. Advanced topics such as importing in Godot 4, adding sound and music to games, making changes in the Animation editor, and including workflows for multiplayer in Godot 4 are covered in detail. By the end of this game development book, you’ll have gained a better understanding of Godot 4 and will be equipped with various powerful techniques to enhance your Godot game development efficiency.
Table of Contents (13 chapters)

How to use UPnP with P2P networking

In this recipe, we will use the UPnP class to port-forward, which is used in P2P networking. We will create a new scene, then add a script to the Node2D node, which searches for ports that can be forwarded, and then forward the port. The script can be used in your multiplayer game to look for internal and external ports and gateways (routers).

Getting ready

For this recipe, click the + button to the right of the Character scene we just completed to add a new scene. In the Scene tab, click 3D Scene. Click on the word Scene in the main menu next to Project, then select Save Scene As, and name it UPNP.

How to do it…

First, we will add an empty script to the Node2D node in the Scene tab:

  1. Left-click on the Node2D node in the Scene tab.
  2. In the Inspector tab, click on <empty> to the right of Script.
  3. Left-click on New Script from the drop-down list.
  4. In the Attach Node Script window, uncheck the checkbox to the...