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
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22
Index

Summary

And that brings us to the close of our Memento exploration. We’ve covered a lot of ground here, but it’s for a good cause. Saving and restoring state snapshots is not only useful but crucial in almost any meaningful application or game. Without it, your users (and players) may feel like they don’t have any agency when it comes to making mistakes or being creative (for fear that they can’t spam the back button if they don’t like where they end up).

Remember, the Memento pattern works best when you need to save and restore internal state information without breaking an object’s encapsulation. The Originator class is responsible for creating and restoring Memento snapshots, your Memento is a storage-only class that mirrors whatever Originator data you want to save, and the Caretaker class stores and provides the current Memento on demand. You’re not limited to a single stored snapshot because the Caretaker class can be upgraded...