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Game Development Patterns with Unity 2021 - Second Edition

You're reading from  Game Development Patterns with Unity 2021 - Second Edition

Product type Book
Published in Jul 2021
Publisher Packt
ISBN-13 9781800200814
Pages 246 pages
Edition 2nd Edition
Languages
Author (1):
David Baron David Baron
Profile icon David Baron

Table of Contents (22) Chapters

Preface 1. Sections 1: Fundamentals
2. Before We Begin 3. The Game Design Document 4. A Short Primer to Programming in Unity 5. Section 2: Core Patterns
6. Implementing a Game Manager with the Singleton 7. Managing Character States with the State Pattern 8. Managing Game Events with the Event Bus 9. Implement a Replay System with the Command Pattern 10. Optimizing with the Object Pool Pattern 11. Decoupling Components with the Observer Pattern 12. Implementing Power-Ups with the Visitor Pattern 13. Implementing a Drone with the Strategy Pattern 14. Using the Decorator to Implement a Weapon System 15. Implementing a Level Editor with Spatial Partition 16. Section 3: Alternative Patterns
17. Adapting Systems with an Adapter 18. Concealing Complexity with a Facade Pattern 19. Managing Dependencies with the Service Locator Pattern 20. About Packt 21. Other Books You May Enjoy

Benefits and drawbacks of the Decorator pattern

The following are some of the benefits of the Decorator pattern:

  • Alternative to subclassing: Inheritance is a static process. Unlike the Decorator pattern, it doesn't permit extending an existing object's behavior at runtime. You can only replace an instance with another with the same parent class that has the desired behavior. Therefore, the Decorator pattern is a more dynamic alternative to subclassing and overcomes the limits of inheritance.
  • Runtime dynamics: The Decorator pattern permits us to add functionality to an object at runtime by attaching decorators to it. But this also means that the reverse is possible, and you can restore an object back to its original form by removing its decorators. 

The following are some of the potential drawbacks of the Decorator pattern:

  • Relationship complexity: Keeping track of the chain of initialization and the relationships between decorators can become very complicated if there...
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