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Unreal Development Kit Game Programming with UnrealScript: Beginner's Guide

You're reading from   Unreal Development Kit Game Programming with UnrealScript: Beginner's Guide Create games beyond your imagination with the Unreal Development Kit

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Product type Paperback
Published in Dec 2011
Publisher Packt
ISBN-13 9781849691925
Length 466 pages
Edition 1st Edition
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Author (1):
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Rachel Cordone Rachel Cordone
Author Profile Icon Rachel Cordone
Rachel Cordone
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Table of Contents (18) Chapters Close

Unreal Development Kit Game Programming with UnrealScript
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
1. Project Setup and Test Environments FREE CHAPTER 2. Storing and Manipulating Data 3. Understanding the Class Tree 4. Making Custom Classes 5. Using Functions 6. Using States to Control Behavior 7. Working with Kismet 8. Creating Multiplayer Games 9. Debugging and Optimization 10. Odds and Ends Pop Quiz Answers Index

Function overriding


In addition to variables, functions declared in parent classes are also inherited by their children. This lets us change behavior that goes beyond simple variable changes. For example, two pickups under Inventory | UTInventory | UTTimedPowerup in the class tree, UTBerserk and UTUDamage , have the same function called GivenTo which is inherited from Inventory. Even though the function name is the same, they give the inventory items their unique behavior. UTBerserk's GivenTo function calls a function that increases the player's weapon firing rate, while UTUDamage's GivenTo function increases the player's DamageScaling variable. These functions also set different sound effects and overlays for the two different items.

To experiment with function overriding we're going to expand our AwesomeGame classes to include a custom GameInfo and PlayerController class. The GameInfo controls the rules of the game and is what makes Deathmatch different from "Capture the Flag" for example...

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