Mastering Unity Game Development with C# E-Book

Mohamed Essam

• Herausgeber: Packt Publishing
• Kategorie: Fachliteratur
• Sprache: Englisch

Seitenzahl: 376

Veröffentlichungsjahr: 2024

Beschreibung

Do you want to level up your Unity game development skills? Then look no further! This book is your one-stop solution to creating mesmerizing games with lifelike features and captivating gameplay.
Written by a highly experienced Unity developer, this book emphasizes project organization, clean C# code, and Unity plugins, including the new Input System and Cinemachine. Mastering Unity Game Development with C# shows you how to structure projects effectively, write clean and modular code, utilize the power of Unity plugins, and design engaging game mechanics. You’ll also understand how to optimize user interfaces for a seamless player experience, manage game data efficiently, contribute to existing code bases, integrate third-party assets and APIs, and apply optimization techniques to enhance game performance.
By the end of this book, you’ll have acquired the knowledge and skills that will empower you to create efficient and engaging games.

Leseprobe

Mastering Unity Game Development with C#

Harness the full potential of Unity 2022 game development using C#

Mohamed Essam

Mastering Unity Game Development with C#

Copyright © 2024 Packt Publishing

All rights reserved. No part of this book may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, without the prior written permission of the publisher, except in the case of brief quotations embedded in critical articles or reviews.

Every effort has been made in the preparation of this book to ensure the accuracy of the information presented. However, the information contained in this book is sold without warranty, either express or implied. Neither the author, nor Packt Publishing or its dealers and distributors, will be held liable for any damages caused or alleged to have been caused directly or indirectly by this book.

Packt Publishing has endeavored to provide trademark information about all of the companies and products mentioned in this book by the appropriate use of capitals. However, Packt Publishing cannot guarantee the accuracy of this information.

Group Product Manager: Rohit Rajkumar

Publishing Product Manager: Urvi Shah

Book Project Manager: Arul Viveaun S

Senior Editor: Rakhi Patel

Technical Editor: K Bimala Singha

Copy Editor: Safis Editing

Indexer: Hemangini Bari

Production Designer: Joshua Misquitta

DevRel Marketing Coordinators: Anamika Singh and Nivedita Pandey

First published: July 2024

Production reference: 2050126

Published by Packt Publishing Ltd.

Grosvenor House

11 St Paul’s Square

Birmingham

B3 1RB, UK

ISBN 978-1-83546-636-0

www.packtpub.com

To my dear family, who always have my back. To my fiancée (soon-to-be wife), thank you for being my loving partner and my inspiration.

– Mohamed Essam

Contributors

About the author

Mohamed Essam is a highly skilled Unity developer with expertise in creating captivating gameplay experiences across various platforms. With a solid background in game development spanning over four years, he has successfully designed and implemented engaging gameplay mechanics for mobile devices and other platforms. His current focus lies in the development of a highly popular multiplayer game, boasting an impressive 20 million downloads. Equipped with a deep understanding of cutting-edge technologies and a knack for creative problem solving, Mohamed Essam consistently delivers exceptional results in his projects.

I’m deeply thankful for my supportive family, their encouragement and belief in me have been instrumental in my accomplishments. I would like to acknowledge the unwavering support of my fiancée, whose love and understanding have been my constant source of inspiration.

About the reviewer

Vahe Petrosyan is a skilled game developer with extensive experience in C++ and C#, specializing in Unity and Unreal Engine. He has created immersive VR experiences focused on education in medical fields and mental well-being and led the development of popular mobile games that have attracted thousands of players. His projects, particularly in Unity VR, demonstrate a commitment to enhancing learning and health through innovative gaming solutions.

Table of Contents

Prefacexiii

Free Benefits with Your Bookxviii

Part 1: Game Design and Project Structure1

1

An Introduction to Game Design and Project Management3

Technical requirements3

Introduction to GDD4

What is GDD?4

GDD and Pitch: A Comparative Perspective4

The Pitch: Sparking Enthusiasm for Your Game Concept4

Understanding GDD elements5

What about the player’s experience?7

Let’s talk about the Project organization9

Mastering Project Structure for Efficient Development9

Summary21

2

Writing Clean and Modular C# Code for Unity Game Development23

Technical requirements23

Introduction to writing clean code24

Principles of writing clean code25

Single Responsibility Principle (SRP)25

Open-Closed Principle (OCP)28

Liskov Substitution Principle (LSP)31

What is the difference between the LSP and OCP?32

Interface Segregation Principle (ISP)33

Dependency Inversion Principle (DIP)34

Understanding design patterns in game development37

Creational patterns37

Structural patterns37

Behavioral patterns38

Coding conventions and best practices48

Refactoring techniques49

Questions53

Summary54

Part 2: Advanced C# Game Development Techniques in Unity55

3

Extending Functionality with Unity Plugins57

Technical requirements57

Understanding Unity plugins58

Integrating Unity plugins59

New Input System59

Cinemachine69

Best practices for using Unity plugins82

Summary83

4

Implementing Engaging Game Mechanics Using C# in Unity85

Technical requirements85

Introducing game mechanics86

Essential principles of game mechanics86

The connection between code and game mechanics87

Implementing player behavior and AI logic using C#88

Writing the IHealth and IDamage interfaces89

Implementing a shoot system94

Delving into the AI logic99

Implementing challenge and reward systems using C#120

Challenges versus missions/quests120

Balancing difficulty levels for broad appeal121

Exploring reward systems121

C# implementation of challenges and rewards121

Summary132

5

Designing Optimized User Interfaces with C# for Unity Games133

Technical requirements133

Introducing UI design in gaming134

Best practices and optimization techniques for UIs135

Splitting up Canvases135

Avoiding too many Graphic Raycasters and turning off Raycast Target137

Efficiently managing UI object pools138

Hiding a Canvas the right way139

Efficient implementation of animations for UI Elements139

Effective handling of fullscreen UIs139

Introducing architecture patterns (MVC and MVVM)140

Understanding MVC – a teamwork of three roles140

Understanding MVVM – a mix of views and models142

Choosing the right path for Unity UI143

Practical suggestions for enhancing your UI development144

Creating a UI system using C#145

The UIManager class146

The BaseView class149

Implementing MVVM153

Summary154

Part 3: Data Management and Code Collaboration with C# in Unity155

6

Effective Game Data Handling and Management with C# in Unity157

Technical requirements157

Data organization and serialization with C#158

Understanding data structures158

Enhancing game performance with proper data structure selection159

Serialization in Unity160

Creating save and load systems using C#166

PlayerPrefs166

Custom Save System170

Data-driven gameplay with C#181

Creating data for stats181

Challenge system183

Summary185

7

Contributing to Existing Code Bases in Unity with C#187

Technical requirements187

Introducing VCSs187

Understanding VCSs188

Collaborating and resolving conflicts with C#192

Best practices for collaborating192

Mastering branching and merging in collaboration193

Mastering code conflict management194

Understanding existing code bases202

Practical exploration for the existing code base202

Summary205

Part 4: Advanced Integration and External Assets with C# in Unity207

8

Implementing External Assets, APIs, and Pre-Built Components with C# in Unity209

Technical requirements209

Leveraging pre-built assets with C#210

Universal Render Pipeline (URP)210

Integrating backend services with C#222

Backend services222

Integrating analytics APIs with C#231

Integrating GameAnalytics232

Example of GameAnalytics usage237

Summary239

9

Optimizing the Game Using Unity’s Profiler, Frame Debugger, and Memory Profiler241

Technical requirements241

Introducing Unity profiling tools242

Exploring Unity’s profiling tools in depth242

Understanding the profiling process250

Performance optimization techniques258

Physics and collisions259

Audio260

UI261

Networking and multiplayer262

AI and pathfinding263

Build size264

Rendering267

Scripting269

Memory management and optimization274

The Memory Profiler274

Summary292

10

Tips and Tricks in Unity293

Technical requirements293

Productivity-boosting shortcuts with C#294

Unity Editor shortcuts294

Visual Studio shortcuts298

Prefab workflow optimization301

Advanced techniques and workflows with C#304

ScriptableObjects305

Custom editors309

Troubleshooting and common challenges316

Debugging techniques316

Platform-specific challenges322

Summary324

Index325

Other Books You May Enjoy334

Table of Contents

Part 1: Game Design and Project Structure

In this part, you’ll immerse yourself in the intricate world of game design, exploring fundamental elements such as game mechanics, player experience, and storytelling techniques. Discover effective project management strategies tailored for game development, aimed at optimizing workflows and streamlining processes. Additionally, delve into the art of writing clean and maintainable C# code while following industry best practices, covering the importance of documenting and structuring code for improved collaboration. By combining these creative and technical aspects, you’ll acquire the tools and knowledge necessary to bring your game ideas to life with efficiency, innovation, and code quality.

This part includes the following chapters:

Chapter 1, An Introduction to Game Design and Project ManagementChapter 2, Writing Clean and Modular C# Code for Unity Game Development