Search icon CANCEL
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Conferences
Free Learning
Arrow right icon
Arrow up icon
GO TO TOP
Learning game AI programming with Lua

You're reading from   Learning game AI programming with Lua Leverage the power of Lua programming to create game AI that focuses on motion, animation, and tactics

Arrow left icon
Product type Paperback
Published in Nov 2014
Publisher Packt
ISBN-13 9781783281336
Length 352 pages
Edition 1st Edition
Languages
Arrow right icon
Toc

Table of Contents (11) Chapters Close

Preface 1. Getting Started with AI Sandbox FREE CHAPTER 2. Creating and Moving Agents 3. Character Animations 4. Mind Body Control 5. Navigation 6. Decision Making 7. Knowledge Representation 8. Perception 9. Tactics Index

Creating actions


With a basic action class out of the way, we can start implementing specific action logic that our agents can use. Each action will consist of three callback functions—initialization, update, and cleanup—that we'll use when we instantiate our action instances.

The idle action

The first action we'll create is the basic and default choice from our agents that are going forward. The idle action wraps the IDLE animation request to our soldier's animation controller. As the animation controller will continue looping our IDLE command until a new command is queued, we'll time our idle action to run for 2 seconds, and then terminate it to allow another action to run:

SoldierActions.lua:

function SoldierActions_IdleCleanUp(userData)
    -- No cleanup is required for idling.
end

function SoldierActions_IdleInitialize(userData)
    userData.controller:QueueCommand(
        userData.agent,
        SoldierController.Commands.IDLE);
        
    -- Since idle is a looping animation, cut...
lock icon The rest of the chapter is locked
Register for a free Packt account to unlock a world of extra content!
A free Packt account unlocks extra newsletters, articles, discounted offers, and much more. Start advancing your knowledge today.
Unlock this book and the full library FREE for 7 days
Get unlimited access to 7000+ expert-authored eBooks and videos courses covering every tech area you can think of
Renews at €18.99/month. Cancel anytime