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Learning Qlik Sense: The Official Guide

By : Christopher Ilacqua, Henric Cronström, James Richardson

3 (14)

Learning Qlik Sense: The Official Guide

3 (14)

By: Christopher Ilacqua, Henric Cronström, James Richardson

Overview of this book

Learning Qlik® Sense is for anyone seeking to understand and utilize the revolutionary new approach to business intelligence offered by Qlik Sense. Familiarity with the basics of business intelligence will be helpful when picking up this book, but not essential.

Preface

Preface

What is a game engine anyway?

What will using UE4 cost me?

Why don't I just program my own engine and save the 5 percent?

A game's overview – the Play-Reward-Growth loop

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. Coding with C++

1. Coding with C++

Setting up our project

Creating your first C++ program

What is building and compiling?

Summary

2. Variables and Memory

2. Variables and Memory

Variables

Summary

3. If, Else, and Switch

3. If, Else, and Switch

Branching

Controlling the flow of your program

Using logical operators

Our first example with Unreal Engine

Summary

4. Looping

4. Looping

The while loop

The do/while loop

The for loop

Looping with Unreal Engine

Summary

5. Functions and Macros

Functions

An example of a <cmath> library function – sqrt()

Writing our own functions

Functions with arguments

Functions that return values

Variables, revisited

Macros

Macros with arguments

Summary

6. Objects, Classes, and Inheritance

6. Objects, Classes, and Inheritance

struct objects

class versus struct

Getters and setters

Constructors and destructors

Class inheritance

Multiple inheritance

Putting your classes into headers

Summary

7. Dynamic Memory Allocation

7. Dynamic Memory Allocation

Dynamic memory allocation

Regular arrays

C++ style dynamic size arrays (new[] and delete[])

Dynamic C-style arrays

Summary

8. Actors and Pawns

8. Actors and Pawns

Actors versus pawns

Creating a world to put your actors in

The UE4 editor

Starting from scratch

Adding an actor to the scene

Creating a player entity

Writing C++ code that controls the game's character

Creating non-player character entities

Displaying a quote from each NPC dialog box

Summary

9. Templates and Commonly Used Containers

9. Templates and Commonly Used Containers

Debugging the output in UE4

UE4's TArray<T>

TSet<T>

TMap<T, S>

C++ STL versions of commonly used containers

Summary

10. Inventory System and Pickup Items

10. Inventory System and Pickup Items

Declaring the backpack

Base class PickupItem

Drawing the player inventory

Summary

11. Monsters

11. Monsters

Landscape

Monsters

Monster attacks on the player

Summary

12. Spell Book

12. Spell Book

The particle systems

Spell class actor

Attaching right mouse click to cast spell

Creating other spells

Summary

Index

Index

Customer Reviews

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Multiple inheritance

Not everything multiple is as good as it sounds. Multiple inheritance is when a derived class inherits from more than one base class. Usually, this works without a hitch if the multiple base classes we are inheriting from are completely unrelated.

For example, we can have a class Window that inherits from the SoundManager and GraphicsManager base classes. If SoundManager provides a member function playSound() and GraphicsManager provides a member function drawSprite(), then the Window class will be able to use those additional capabilities without a hitch.

Multiple inheritance

Game Window inheriting from Sound Man and Graphics Man means Game Window will have both sets of capabilities

However, multiple inheritance can have negative consequences. Say we want to create a class Mule that derives from both the Donkey and Horse classes. The Donkey and Horse classes, however, both inherit from the base class Mammal. We instantly have an issue! If we were to call mule.talk(), but mule does not override...

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