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Game Development Patterns with Unreal Engine 5

You're reading from   Game Development Patterns with Unreal Engine 5 Build maintainable and scalable systems with C++ and Blueprint

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Product type Paperback
Published in Jan 2024
Publisher Packt
ISBN-13 9781803243252
Length 254 pages
Edition 1st Edition
Languages
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Authors (2):
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Stuart Butler Stuart Butler
Author Profile Icon Stuart Butler
Stuart Butler
Tom Oliver Tom Oliver
Author Profile Icon Tom Oliver
Tom Oliver
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Table of Contents (16) Chapters Close

Preface 1. Part 1:Learning from Unreal Engine 5
2. Chapter 1: Understanding Unreal Engine 5 and its Layers FREE CHAPTER 3. Chapter 2: “Hello Patterns” 4. Chapter 3: UE5 Patterns in Action – Double Buffer, Flyweight, and Spatial Partitioning 5. Chapter 4: Premade Patterns in UE5 – Component, Update Method, and Behavior Tree 6. Part 2: Anonymous Modular Design
7. Chapter 5: Forgetting Tick 8. Chapter 6: Clean Communication – Interface and Event Observer Patterns 9. Chapter 7: A Perfectly Decoupled System 10. Part 3: Building on Top of Unreal
11. Chapter 8: Building Design Patterns – Singleton, Command, and State 12. Chapter 9: Structuring Code with Behavioral Patterns – Template, Subclass Sandbox, and Type Object 13. Chapter 10: Optimization through Patterns 14. Index 15. Other Books You May Enjoy

How data locality affects code efficiency

This is a simple concept that requires very little to implement. We all actively think about how variables take up memory. We tend to forget that instructions also take up memory. They must be loaded from storage into faster memory, then into the CPU to be executed. CPUs try to make things run quicker by leveraging the fact that they have very fast, very small storage within them called the cache. The cache allows the CPU to pre-load instructions ready for execution and store its state in case of temporary context switching. This pre-loading behavior is necessary for the CPU to run at its most efficient as while there has been a technology race in CPU speeds, that hasn’t been mirrored in the world of RAM. You might be able to store massive programs entirely in your RAM but the bus speed of the motherboard limits how many instructions can be sent to the CPU per second. When we reach the bottleneck, it doesn’t matter how fast the...

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