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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

Time for action – Creating Kismet actions


As far as creating a custom class goes, Kismet should be pretty easy for us by now. For our first experiment, let's disable the default spawning of enemies in our game and create a Kismet action to do it instead. That will give us more control over when the enemies spawn in our Awesome Game.

  1. Make sure the editor is closed.

  2. Open AwesomeGame.uc in ConTEXT. At the bottom of our PostBeginPlay function, let's take out the timer that activates the spawners. The function should now look like this:

    simulated function PostBeginPlay()
    {
        local AwesomeEnemySpawner ES;
    
        super.PostBeginPlay();
    
        GoalScore = 1;
    
        foreach DynamicActors(class'AwesomeEnemySpawner', ES)
            EnemySpawners[EnemySpawners.length] = ES;
    }
  3. Now we're ready to create the Kismet action that will handle the spawning. In our Development\Src\AwesomeGame\Classes folder, create a new file called AwesomeSeqAct_SpawnerActivation.uc.

  4. Write the following code in this new file:

    class AwesomeSeqAct_SpawnerActivation...
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