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

Unreal Development Kit Game Programming with UnrealScript

Credits

About the Author

About the Reviewers

www.PacktPub.com

Preface

Project Setup and Test Environments

System requirements

Time for action – Installing the UDK

Directory overview

Using external programs to code

Time for action – Installing ConTEXT

Time for action – Configuring ConTEXT

Time for action – Installing UnCo

Time for action – Configuring UnCodeX

Setting up a project

Time for action – Setting up AwesomeGame

Compiling and testing

Time for action – Compiling and testing AwesomeActor

Summary

Storing and Manipulating Data

Variables and arrays

Time for action – Using booleans

Time for action – Using integers

Time for action – Using floats

Time for action – Using strings

Time for action – Using enums

Time for action – Using arrays

Time for action – Using dynamic arrays

Time for action – Using structs

Time for action – Using vectors

Time for action – Using rotators

Variable properties

Time for action – Using the default properties block

Time for action – Editable variables

Time for action – Creating config variables

Common operators

Time for action – Math!

Time for action – Using modulo

Time for action – Comparisons

Time for action – Using logical operators

Time for action – Concatenation

Flow control

Time for action – Using if/else

Time for action – Using the for statement

Time for action – Something

Time for action – Using switches

Summary

Understanding the Class Tree

What is a class?

Time for action – All classes are created equally

Inheritance

Time for action – Examining inheritance

Time for action – Making a custom weapon

Time for action – Experiments with inheritance

Function overriding

Time for action – Creating a custom GameInfo and PlayerController

Time for action – Experiments with function overriding

Actors as variables

Time for action – Experiments with Actors as variables

Casting

Time for action – Casting Actor variables

Time for action – A practical example of casting for our game

Summary

Making Custom Classes

Creating a class

Time for action – Creating the weapon branch

Class modifiers

Time for action – Using abstract

Time for action – Hidecategories

Actors versus objects

Common UnrealScript classes

Time for action – Expanding AwesomeGame

Time for action – SHOOT NOW!

Time for action – Customizing the Pawn class

Time for action – Expanding the Controller

Time for action – No, my left!

Time for action – Detecting collisions to give our Pawn damage

Time for action – Making the TestEnemies move

Time for action – Using the HUD

Summary

Using Functions

What's your function?

Creating and calling functions

Time for action – Writing a function

Time for action – Calling custom functions

Time for action – What's your malfunction?

Local versus instance variables

Time for action – Using local variables

Time for action – Using Actors as local variables

Time for action – Modifying the projectile

Function parameters and modifiers

Time for action – Using function parameters

Time for action – Out parameters

Time for action – I'd like to return this please

Time for action – Filthy cheater

Time for action – Using static functions

The super

Using timers

Time for action – Just five more minutes mom

Putting it all together

Time for action – Expanding Awesome Game

Summary

Using States to Control Behavior

It's a state of mind

Time for action – Writing a state

Time for action – Switching states

Function overriding in states

Time for action – Multiple personalities

Time for action – Calling non-state functions

Time for action – Non-state functions from inside a state

State changes and detection

Time for action – BeginState

Time for action – EndState

Time for action – Using state detection functions

Subclassing states

Time for action – Subclassing the Seeking state

Keywords, labels, and latent functions

Time for action – Using ignores

Time for action – Do we really need to give labels to everything?

Like a boss

Time for action – Reverting our code

Time for action – Creating the abstract base class

Time for action – Creating and spawning the boss

Time for action – I like you, I kill you last

Time for action – Rage mode activate

Summary

Working with Kismet

Overview of Kismet

Time for action – Using Kismet

Time for action – A more complex Kismet sequence

Time for action – Bug fixing time!

Kismet actions

Time for action – Creating Kismet actions

Time for action – Using variables in Kismet

Time for action – Using handler functions

Time for action – Differentiating Kismet inputs

Kismet conditions

Time for action – What condition my condition was in

Kismet events

Time for action – The cleanup job

Time for action – Our first Kismet event

Time for action – Moving functionality into Kismet

Time for action – Setting the wave size

Time for action – Using SupportedEvents

Time for action – Creating a custom SupportedEvent

Latent actions

Time for action – Creating a latent action

Summary

Creating Multiplayer Games

The server-client relationship

Testing network code

Time for action – The server batch file

Time for action – The client batch file

Time for action – Unbreaking the player

Time for action – Unbreaking the game

Time for action – Making the GameReplicationInfo

Time for action – RUN AWAY!

Time for action – Bossing around

Replicating function calls

Time for action – Setting up for the client function

Time for action – Using the client function

Time for action – Using a server function

Time for action – Setting up the map

Time for action – Using simulated functions

Time for action – COMBO BREAKER!

Role and authority

Time for action – Examining Role and RemoteRole

Time for action – Respect my authority!

Time for action – Checking the level's NetMode.

Replicating variables

Time for action – Replicating a variable

Time for action – Using ReplicatedEvent

Summary

Debugging and Optimization

Compiler errors

Time for action – Preparing for brokenness

Time for action – A new script package

Time for action – Breaking the class itself

Time for action – Breaking some more code

Time for action – Misleading errors

Time for action – Captain obvious to the rescue!

Time for action – Setting up a twofer

Time for action – Mal-function

Time for action – Taking care of other function errors.

Time for action – Actor variable errors

Time for action – Other variable errors

Debugging

Time for action – Dealing with Accessed None

Time for action – Fixing an Accessed None

Time for action – Accessed None in function parameters

Time for action – Setting up a scenario

Time for action – Debugging using the log

Optimization

Time for action – Using the profiler

Time for action – Using Clock and UnClock

Summary

Odds and Ends

Using Components

Time for action – Adding a Component to an Actor

Time for action – Component compiler error

Time for action – Components as variables

Time for action – Creating a toggleable flashlight

DLLBind

Time for action – Using DLLBind