Editor Actor Subsystem

The UDCoreEditorActorSubsystem extends Unreal Engine's editor functionality with powerful utilities for retrieving, filtering, and manipulating actors in your levels.

These functions are editor-only and are intended for use in Editor Utility Widgets, Blutilities, and editor scripts. They are not available in packaged builds.

Available Functions

Actor Getters

Retrieve actors from your level using various criteria like class, tag, or selection state

Actor Filters

Filter arrays of actors by class, tag, component type, and more

Bounds Calculation

Calculate combined bounding boxes for groups of actors

Static Mesh Operations

Utilities specifically for working with Static Mesh Actors

Utilities

General-purpose editor actor utilities

Use Cases

Level Design Tools

Build custom editor tools that:

Select all actors of a specific type
Filter actors based on custom criteria
Calculate bounds for actor groups
Batch-modify actor properties

Asset Management

Create utilities for:

Finding actors using specific meshes
Identifying actors with missing components
Organizing level content by type

Editor Automation

Automate repetitive tasks:

Batch-select actors matching criteria
Generate reports on level content
Validate level structure

Getting Started

Accessing the Subsystem

In Blueprints, search for "UDCore Editor Actor Subsystem" functions directly - they're exposed as static functions.

In C++:

#include "UDCoreEditorActorSubsystem.h"

// Get actors of a specific class
TArray<AActor*> Actors = UUDCoreEditorActorSubsystem::GetAllActorsOfClass(
    World,
    AStaticMeshActor::StaticClass()
);

// Filter by tag
TArray<AActor*> TaggedActors = UUDCoreEditorActorSubsystem::FilterActorsByTag(
    Actors,
    FName("MyTag")
);

Function Categories

Category	Description
Getters	Retrieve actors from the level
Filters	Filter actor arrays by criteria
Bounds	Calculate bounding boxes
Static Mesh	Operations on mesh actors
Utilities	General-purpose utilities