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You're reading from Blueprints Visual Scripting for Unreal Engine The faster way to build games using UE4 Blueprints

Product type Paperback

Published in Aug 2019

Publisher Packt

ISBN-13 9781789347067

Length 380 pages

Edition 2nd Edition

Languages

C++

Tools

Unreal

Concepts

Game Scripting

Authors (2):

Marcos Romero

Brenden Sewell

View More author details

Table of Contents (22) Chapters

Preface

1. Section 1: Blueprint Fundamentals

2. Exploring the Blueprint Editor FREE CHAPTER

3. Programming with Blueprints

4. Actors and the Gameplay Framework

5. Understanding Blueprint Communication

6. Section 2: Developing a Game

7. Object Interaction with Blueprints

8. Enhancing Player Abilities

9. Creating Screen UI Elements

10. Creating Constraints and Gameplay Objectives

11. Section 3: Enhancing the Game

12. Building Smart Enemies with Artificial Intelligence

13. Upgrading the AI Enemies

14. Game States and Applying the Finishing Touches

15. Building and Publishing

16. Section 4: Advanced Blueprints

17. Data Structures and Flow Control

18. Math and Trace Nodes

19. Blueprints Tips

20. Introduction to VR Development

21. Other Books You May Enjoy

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Flow control nodes

There are some nodes that control the flow of the execution of a Blueprint. These nodes determine the execution path based on conditions. Let's learn about the main types of flow control nodes.

Switch nodes

A switch node determines the flow of execution based on the value of an input variable. There are different types of switch nodes. The next screenshot shows an example of the Switch on Int node:

The Selection input parameter receives an integer value that determines the output pin that will be executed. If the input value has no pin, then the Default pin will execute. You can change the start index in the Details panel of Switch on Int. The output pins are added by using the Add pin + option.

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Authors (2)

Marcos Romero

Marcos Romero is the author of the Romero Blueprints blog, which is one of the main references on the internet to learn about Blueprints. Epic Games invited Marcos to the Unreal Engine 4 closed beta program to experiment and collaborate with the evolution of the tools. He was also one of the first recipients of Unreal Dev Grants for Education. Marcos is a well-known figure in the Unreal community and, for Epic Games, he wrote the official Blueprints Compendium and Blueprints Instructor's Guide.

See other products by Marcos Romero

Brenden Sewell

Brenden Sewell is a game designer and creative director with over a decade of experience leading teams in the development of compelling interactive experiences that entertain and inspire. Prior to joining Bossfight Entertainment to work on some upcoming secret projects, he explored the intersection of social impact and entertainment serving as the Creative Director for E-line Media. He has led developments from concept to live support on a variety of games ranging from a brain-training first-person shooter to a construction sandbox exploring the future of digital fabrication.

See other products by Brenden Sewell