Book Image

Learning Design Patterns with Unity

By : Harrison Ferrone
Book Image

Learning Design Patterns with Unity

By: Harrison Ferrone

Overview of this book

Struggling to write maintainable and clean code for your Unity games? Look no further! Learning Design Patterns with Unity empowers you to harness the fullest potential of popular design patterns while building exciting Unity projects. Through hands-on game development, you'll master creational patterns like Prototype to efficiently spawn enemies and delve into behavioral patterns like Observer to create reactive game mechanics. As you progress, you'll also identify the negative impacts of bad architectural decisions and understand how to overcome them with simple but effective practices. By the end of this Unity 2023 book, the way you develop Unity games will change. You'll emerge not just as a more skilled Unity developer, but as a well-rounded software engineer equipped with industry-leading design patterns.
Table of Contents (23 chapters)
21
Other Books You May Enjoy
22
Index

Creating a save system

Imagine you’re coming into a game project as a new developer and your first assignment is to create a system for saving user data, which includes the player’s stats, weapon, and weapon modifications (if they’ve collected any). Development is already pretty far along, so you’re not allowed to mess with any of the existing classes that manage all the fun stuff, but you have access to the player and, therefore, indirect access to its stats, weapon, and mods.

Since the Player object has a set structure, you know exactly what needs to be done – implement the Visitor pattern and create a data-saving visitor that can be applied to each of the player component elements without changing the underlying objects.

We’ll do this with a combination of interfaces, concrete elements, and, of course, a Visitor class, all of which are covered in the following subsections.

Structuring the interfaces

One of the things I...