EditBlueprint

The EditBlueprint tool modifies Blueprint assets by adding or removing variables, components, functions, and event dispatchers.

Capabilities

Variables

Add variables with full type support:

Add a float variable called Health with default value 100
Add an array of Actors called TargetList
Add a map from FName to int called ScoreTable

Supported types:

Primitives: bool, int, float, string, name, text
Vectors: Vector, Rotator, Transform
Objects: Object, Actor, Class references
Containers: Array, Set, Map

Components

Add components with property configuration:

Add a StaticMeshComponent called Mesh
Add a BoxCollision component with BoxExtent (50, 50, 50)
Add a PointLight with Intensity 5000 and LightColor (1, 0.8, 0.6)

Functions

Add functions with parameters and return types:

Add a function TakeDamage with float Amount parameter returning bool
Add a pure function GetHealthPercent returning float

Event Dispatchers

Add an event dispatcher OnDamageReceived with float Damage parameter
Add an event dispatcher OnDeath with no parameters

Supported Blueprint Types

Type	Variables	Components	Functions	Events
Actor Blueprint	Yes	Yes	Yes	Yes
Character Blueprint	Yes	Yes	Yes	Yes
Widget Blueprint	Yes	Widgets	Yes	Yes
AnimBlueprint	Yes	No	Yes	Yes
Component Blueprint	Yes	No	Yes	Yes

For Widget Blueprints, add widgets to the hierarchy:

Add a Button widget called StartButton
Add a TextBlock called TitleText with Text "Game Over"
Add a ProgressBar called HealthBar

Animation Blueprints

For AnimBlueprints, manage state machines:

Add a state machine called Locomotion
Add a state called Idle to the Locomotion machine
Add a transition from Idle to Running

Event Binding

Bind events on components or widgets:

Bind OnClicked event on StartButton to function HandleStartClick
Bind OnComponentBeginOverlap on CollisionBox to function HandleOverlap

Example Prompts

Complete Character Setup

Open BP_PlayerCharacter and:
- Add float MaxHealth = 100
- Add float CurrentHealth = 100
- Add bool bIsDead = false
- Add SpringArmComponent attached to root with TargetArmLength 400
- Add CameraComponent attached to SpringArm
- Add function TakeDamage(float Amount)
- Add event dispatcher OnPlayerDied

Open WBP_MainMenu and:
- Add Button called PlayButton
- Add Button called QuitButton
- Add TextBlock called TitleText
- Bind OnClicked on PlayButton to StartGame
- Bind OnClicked on QuitButton to QuitGame