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Unreal Engine C++ API Reference > Runtime > Engine > Subsystems
Inheritance Hierarchy
- UObjectBase
- UObjectBaseUtility
- UObject
- USubsystem
- UDynamicSubsystem
- UEngineSubsystem
- UAssetTagsSubsystem
- UAudioAnalyzerSubsystem
- UAudioDeviceNotificationSubsystem
- UAudioWidgetSubsystem
- UCameraCalibrationSubsystem
- UContentBundleEngineSubsystem
- UDataDrivenCVarEngineSubsystem
- UDataRegistrySubsystem
- UDMXPixelMappingSubsystem
- UDMXSubsystem
- UGameFeaturesSubsystem
- UGameViewportSubsystem
- UGerstnerWaterWaveSubsystem
- UHLODEngineSubsystem
- UInputDeviceSubsystem
- ULevelSnapshotsEngineSubsystem
- UMassTestEngineSubsystem
- UMediaIOCoreSubsystem
- UMeshPaintingSubsystem
- UMetaSoundAssetSubsystem
- UMetaSoundBuilderSubsystem
- UMoviePipelineQueueEngineSubsystem
- UMQTTSubsystem
- UMVVMSubsystem
- URCPropertyContainerRegistry
- USlateScreenReaderEngineSubsystem
- USubobjectDataSubsystem
- UTextToSpeechEngineSubsystem
- UTimedDataMonitorSubsystem
- UUICommandsScriptingSubsystem
- UVCamPixelStreamingSubsystem
- UVirtualCameraSubsystem
- UVirtualProductionRolesSubsystem
- UWebAPIStaticTypeRegistry
- UWebAPISubsystem
- UXRCreativeSubsystem
References
| Module | Engine |
| Header | /Engine/Source/Runtime/Engine/Public/Subsystems/EngineSubsystem.h |
| Include | #include "Subsystems/EngineSubsystem.h" |
Syntax
class UEngineSubsystem : public UDynamicSubsystem
Remarks
UEngineSubsystemBase class for auto instanced and initialized systems that share the lifetime of the Engine
UEngineSubsystems are dynamic and will be initialized when the module is loaded if necessary. This means that after StartupModule() is called on the module containing a subsystem, the subsystem collection with instantiate and initialize the subsystem automatically. If the subsystem collection is created post module load then the instances will be created at collection initialization time.
Constructors
| Type | Name | Description | |
|---|---|---|---|
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