Flow

Question 1

Enable Keyboard in blueprints

Answer 1

‘Event Begin Play’ - ‘Enable input’ (‘Get Player Controller’ to ‘Player Controller’

Question 2

DoN

Answer 2

Repeat action N times, once per call till do not reach N

Question 3

DoOnce

Answer 3

Call function once

Question 4

FlipFlop

Answer 4

Switching between outputs

Question 5

Gate

Answer 5

Logical gate. Can be Open or Close, also able to Toggle

Question 6

MultiGate

Answer 6

Allow iterate over multiple outputs (one open - another close)

Question 7

Events

Answer 7

Triggered by event/action, can accept time functions (delay, timeline)
Only accecpt inputs, no output.

Question 8

Function

Answer 8

Do not accept time functions.
Accept inputs and outputs
Do not accept custom events
have their own execution graph

Question 9

Macros

Answer 9

Collections of actions.
It can be reused.
Do not accept time action.
Accept inputs and outputs.
Have their own execution graph
Can`t be seen in C++.
More for simplifying blueprint.

Question 10

Custom event

Answer 10

You create custom event and after call it with ‘call function’

Question 11

Macro Library

Answer 11

Allow create library of macros to access from any BP

Create BluePrint - Macro Library

Question 12

Enums

Answer 12

Numbered list

Question 13

Enums create

Answer 13

Create blueprint - Enumeration

Question 14

Switch enumerators

Answer 14

‘Switch on ‘

Question 15

Class

Answer 15

mostly have parents

Question 16

Component

Answer 16

can be inside of the class

Question 17

Game mode class

Answer 17

Basic rules (for example game time)
Good to keep general information there
AGemeModeBase - main class
Can be changed in WorldSettings

Question 18

Pawn class

Answer 18

Controlled actor (by the player or AI)

Question 19

Character class

Answer 19

Pawn with the ability to walk

Question 20

isValid

Answer 20

Check if the object exist and Valid

Question 21

Get all actors of desired class

Answer 21

Get All Actors of class
ForEachLoop - to go over all returned objects

Question 22

Direct communication

Answer 22

Create a variable that represents/reference another blueprint.
Create through variable - new - type = BP_name - refference
Make editable - refference actual object through parameters of actor

Question 23

Cast

Answer 23

When you want to access specific object / all objects of the specific class / child blueprint
Nodes:
- Get Player Character - Cast to HeroChar
- Get Player Controller - Cast to HeroController
- Get Game Mode - Cast to MyGameMode
- Get Player Controller - Get Controlled Pawn - Cast to MyPawn

Question 24

BluePrint interface

Answer 24

More like multicasting
Create a new Blueprint - Blueprint interface
In the object want to interact - Go to ‘Class Settings’ - Add interface
In the worker BPsend message to this interface
Can have inputs and outputs
Can be overwritten inside of other blueprints (add some functionality inside of interface to get some output when we call interface)

Question 25

Event Dispatcher

Answer 25

Objects that subscribe to this signal will receive it (like any news feed)
Event Dispatcher - create
‘Call ‘ in the master, Create cast (‘Get Player character’ - ‘Cast to ThirdPersonCharacter’ ) and ‘Bind Event to ‘ in slave
Available to unbind also ‘Unbin Event from ‘

Question 26

Lerp

Answer 26

Node that allow transition from one value to another. Val A, val B, alpha

Question 27

Make rotator

Answer 27

(convert values to rotation object)

Question 28

Change material property in BP

Answer 28

Static Mesh Component - Create Dynamic Material Instance (choose source material) - Set Vector parameter value (parameter name)

Question 29

Custom Curve

Answer 29

Add - Miscellaneous - Curve (in asset browser)
After in Timeline, we can add ‘selected curve asset’
Allow changing active curves through the blueprint

Question 30

Choose Which timeline to use

Answer 30

Add variable - timeline class - set curve - Choose ‘vector track name’ and ‘new Vector curve’

Question 31

Timeline Properties

Answer 31

Change which curve to use
Set/ get timeline length
Set timeline loop
Playback position
Ignore Time Dilation

Question 32

Timer

Answer 32

Can be used wto call event or to call function

Question 33

Delta Time

Answer 33

Time to render next frame

Question 34

Distance between objects

Answer 34

Position 1 - Position 2 , vector length
or
‘Get Distance To’, also possible to get horizontal or vertical distance

Question 35

Forward Vector

Answer 35

‘Get Actor Forward Vector’

‘Get Forward Vector’ from rotator

Question 36

Lerp Texture

Answer 36

mixing textures

Question 37

Textures parameters

Answer 37

Allow to change values through blueprints

Question 38

Material Instance

Answer 38

In construction script ‘Create Material Instance’ - Set it to the variable -