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Game Development Projects with Unreal Engine

You're reading from  Game Development Projects with Unreal Engine

Product type Book
Published in Nov 2020
Publisher Packt
ISBN-13 9781800209220
Pages 822 pages
Edition 1st Edition
Languages
Authors (4):
Hammad Fozi Hammad Fozi
Profile icon Hammad Fozi
Gonçalo Marques Gonçalo Marques
Profile icon Gonçalo Marques
David Pereira David Pereira
Profile icon David Pereira
Devin Sherry Devin Sherry
Profile icon Devin Sherry
View More author details

Table of Contents (19) Chapters

Preface
1. Unreal Engine Introduction 2. Working with Unreal Engine 3. Character Class Components and Blueprint Setup 4. Player Input 5. Line Traces 6. Collision Objects 7. UE4 Utilities 8. User Interfaces 9. Audio-Visual Elements 10. Creating a SuperSideScroller Game 11. Blend Spaces 1D, Key Bindings, and State Machines 12. Animation Blending and Montages 13. Enemy Artificial Intelligence 14. Spawning the Player Projectile 15. Collectibles, Power-Ups, and Pickups 16. Multiplayer Basics 17. Remote Procedure Calls 18. Gameplay Framework Classes in Multiplayer

Enemy AI

What is AI? This term can mean many things, depending on the field and context that it is used in, so let's define it in a way that makes sense regarding the subject of video games.

AI is an entity that is aware of its environment and performs choices that will help optimally achieve its intended purpose. AI uses what are called finite state machines to switch between more than one state based on the input it receives from the user or its environment. For example, a video game AI can switch between an offensive state to a defensive state based on its current health.

In games such as Hello Neighbor, which was developed in Unreal Engine 4, and Alien: Isolation, the goal of the AI is to find the player as efficiently as possible, but also to follow some predetermined patterns defined by the developers to ensure that the player can outsmart it. Hello Neighbor adds a very creative element to its AI by having it learn from the players' past actions and tries...

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