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Game Development Projects with Unreal Engine

By : Reis, Hammad Fozi , Gonçalo Marques , David Pereira , Devin Sherry

4.6 (35)

Game Development Projects with Unreal Engine

4.6 (35)

By: Reis, Hammad Fozi , Gonçalo Marques , David Pereira , Devin Sherry

Overview of this book

Game development can be both a creatively fulfilling hobby and a full-time career path. It's also an exciting way to improve your C++ skills and apply them in engaging and challenging projects. Game Development Projects with Unreal Engine starts with the basic skills you'll need to get started as a game developer. The fundamentals of game design will be explained clearly and demonstrated practically with realistic exercises. You’ll then apply what you’ve learned with challenging activities. The book starts with an introduction to the Unreal Editor and key concepts such as actors, blueprints, animations, inheritance, and player input. You'll then move on to the first of three projects: building a dodgeball game. In this project, you'll explore line traces, collisions, projectiles, user interface, and sound effects, combining these concepts to showcase your new skills. You'll then move on to the second project; a side-scroller game, where you'll implement concepts including animation blending, enemy AI, spawning objects, and collectibles. The final project is an FPS game, where you will cover the key concepts behind creating a multiplayer environment. By the end of this Unreal Engine 4 game development book, you'll have the confidence and knowledge to get started on your own creative UE4 projects and bring your ideas to life.

Preface

About the Book

1. Unreal Engine Introduction

1. Unreal Engine Introduction

Introduction

Getting to Know Unreal

Editor Windows

Viewport Navigation

Manipulating Actors

Blueprint Actors

The Blueprint Editor

Event Graph

The Float Multiplication Node

BeginPlay and Tick

ThirdPersonCharacter Blueprint Class

Meshes and Materials

Manipulating Materials in UE4

Summary

Free Chapter

2. Working with Unreal Engine

2. Working with Unreal Engine

Introduction

Creating and Setting Up a Blank C plus plus Project

Content Folder Structure in Unreal Engine

Working with the Visual Studio Solution

Importing the Required Assets

The Unreal Game Mode Class

Levels

Animations

Summary

3. Character Class Components and Blueprint Setup

3. Character Class Components and Blueprint Setup

Introduction

The Unreal Character Class

Extending the C plus plus Class with Blueprints

Summary

4. Player Input

4. Player Input

Introduction

Input Actions and Axes

Processing Player Input

DefaultInput.ini

Turning the camera around the character

Summary

5. Line Traces

5. Line Traces

Introduction

Collision

Project Setup

Line Traces

Creating the EnemyCharacter C plus plus class

Visualizing the Line Trace

Creating the EnemyCharacter Blueprint Class

Sweep Traces

Summary

6. Collision Objects

6. Collision Objects

Introduction

Object Collision in UE4

Collision Components

Collision Events

Collision Channels

Collision Properties

Physical Materials

Timers

Spawning Actors

Walls

Victory Box

Summary

7. UE4 Utilities

7. UE4 Utilities

Introduction

Blueprint Function Libraries

Actor Components

Interfaces

Blueprint Native Events

Summary

8. User Interfaces

8. User Interfaces

Introduction

Game UI

UMG Basics

Anchors

Progress Bars

Summary

9. Audio-Visual Elements

9. Audio-Visual Elements

Introduction

Audio in UE4

Sound Attenuation

Particle Systems

Level Design

Extra Features

Summary

10. Creating a SuperSideScroller Game

10. Creating a SuperSideScroller Game

Introduction

Project Breakdown

The Player Character

Features of Our Side-Scroller Game

Steps in Animation

Character Animation Pipeline

Animations in Unreal Engine 4

Summary

11. Blend Spaces 1D, Key Bindings, and State Machines

11. Blend Spaces 1D, Key Bindings, and State Machines

Introduction

Blend Spaces

Main Character Animation Blueprint

Velocity Vectors

Input Bindings

Animation State Machines

Summary

12. Animation Blending and Montages

12. Animation Blending and Montages

Introduction

Animation Blending, Anim Slots, and Animation Montages

Animation Montages

Anim Slot Manager

Save Cached Pose

Layered blend per bone

The Throw Animation

The Super Side Scroller Game Enemy

Materials and Material Instances

Summary

13. Enemy Artificial Intelligence

13. Enemy Artificial Intelligence

Introduction

Enemy AI

AI Controller

Navigation Mesh

Recasting the Nav Mesh

Behavior Trees and Blackboards

Vector Transformation

Player Projectile

Summary

14. Spawning the Player Projectile

14. Spawning the Player Projectile

Introduction

Anim Notifies and Anim Notify States

Playing Animation Montages

Game World and Spawning Objects

Destroying Actors

Visual and Audio Effects

Summary

15. Collectibles, Power-Ups, and Pickups

15. Collectibles, Power-Ups, and Pickups

Introduction

URotatingMovementComponent

Logging Variables Using UE_LOG

UMG

Text Widget

Adding and Creating UMG User Widgets

Timers

Summary

16. Multiplayer Basics

16. Multiplayer Basics

Introduction

Multiplayer Basics

Servers

Clients

The Packaged Version

Connections and Ownership

Roles

Variable Replication

2D Blend Spaces

Transform (Modify) Bone

Summary

17. Remote Procedure Calls

17. Remote Procedure Calls

Introduction

Remote Procedure Calls

Enumerations

Bi-Directional Circular Array Indexing

Summary

18. Gameplay Framework Classes in Multiplayer

18. Gameplay Framework Classes in Multiplayer

Introduction

Gameplay Framework Classes in Multiplayer

Game Mode, Player State, and Game State

Summary

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Anim Notifies and Anim Notify States

When it comes to creating polished and complex animations, there needs to be a way for animators and programmers to add custom events within the animation that will allow for additional effects, layers, and functionality to occur. The solution in Unreal Engine 4 is to use Anim Notifies and Anim Notify States.

The main difference between Anim Notify and Anim Notify State is that Anim Notify State possesses three distinct events that Anim Notify does not. These events are Notify Begin, Notify End, and Notify Tick, all of which can be used in Blueprints or C++. When it comes to these events, Unreal Engine 4 secures the following behaviors:

Notify State will always start with Notify Begin Event.
Notify State will always finish with Notify End Event.
Notify Tick Event will always take place between the Notify Begin and Notify End events.

Anim Notify, however, is a much more simplified version that uses just a single function...

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