Unreal Engine 4.26 Documentation

Unreal Engine 4.27 Documentation

Unreal Engine 5.0 Documentation

> Unreal Engine API Reference > Runtime > Landscape > FLandscapeRenderSystem

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FLandscapeRenderSystem

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References

Module	Landscape
Header	/Engine/Source/Runtime/Landscape/Public/LandscapeRender.h
Include	#include "LandscapeRender.h"

Syntax

struct FLandscapeRenderSystem

Variables

		Name	Description
	TMap< FViewKey,...	CachedSectionLODValues
	FCriticalSectio...	CachedValuesCS
	FGraphEventRef	FetchHeightmapLODBiasesEventRef
	int32	LandscapeIndex
	FIntPoint	Min
	int32	NumRegisteredEntities
	TMap< FViewKey,...	PerViewParametersTasks
	TArray< FLandsc...	SceneProxies
	FBufferRHIRef	SectionLODBiasBuffer
	TResourceArray<...	SectionLODBiases
	FShaderResource...	SectionLODBiasSRV
	TArray< LODSett...	SectionLODSettings
	TArray< FVector...	SectionOriginAndRadius
	FIntPoint	Size
	TUniformBufferR...	UniformBuffer

Constructors

	Name	Description
	FLandscapeRenderSystem()

Destructors

	Name	Description
	~FLandscapeRenderSystem()

Functions

		Name	Description
	void	BeginFrame()
	void	BeginRender()
	void	ComputeSectionPerViewParameters ( FViewKey ViewKey, int32 ViewLODOverride, float ViewLODDistanceFactor, bool bDrawCollisionPawn, bool bDrawCollisionCollision, const FVector& ViewOrigin, const FMatrix& ViewProjectionMarix, const TArray< uint8 >& SectionCurr... )
	void	EndFrame()
	void	FetchHeightmapLODBiases()
	int32	GetComponentLinearIndex ( FIntPoint ComponentBase )
	int8	GetLODFromScreenSize ( LODSettingsComponent LODSettings, float InScreenSizeSquared, float InViewLODScale, float& OutFractionalLOD )
	float	GetSectionLODBias ( FIntPoint ComponentBase )
	float	GetSectionLODValue ( const FSceneView& SceneView, FIntPoint ComponentBase )
	void	PrepareView ( const FViewParams& InViewParams )
	void	RegisterEntity ( FLandscapeComponentSceneProxy*... )
	void	ResizeAndMoveTo ( FIntPoint NewMin, FIntPoint NewSize )
	void	SetSceneProxy ( FIntPoint ComponentBase, FLandscapeComponentSceneProxy*... )
	void	SetSectionLODSettings ( FIntPoint ComponentBase, LODSettingsComponent LODSettings )
	void	SetSectionOriginAndRadius ( FIntPoint ComponentBase, FVector4 OriginAndRadius )
	void	UnregisterEntity ( FLandscapeComponentSceneProxy*... )
	void	UpdateBuffers()
	void	WaitForTasksCompletion()

Classes

	Name	Description
	FViewParams
	LODSettingsComponent

Typedefs

Name	Description
FViewKey

Constants

Name	Description
LandscapeIndexAllocator