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IHierarchicalLODUtilities

[IHierarchicalLODUtilities](API\Developer\HierarchicalLODUtilities\IHierarchicalLODUtilities) module interface

API > API/Developer > API/Developer/HierarchicalLODUtilities

IHierarchicalLODUtilities module interface

   
Name IHierarchicalLODUtilities
Type class
Header File /Engine/Source/Developer/HierarchicalLODUtilities/Public/IHierarchicalLODUtilities.h
Include Path #include "IHierarchicalLODUtilities.h"

Syntax

class IHierarchicalLODUtilities

Derived Classes

Destructors

Name Remarks Include Path Unreal Specifiers

virtual ~IHierarchicalLODUtilities()

   IHierarchicalLODUtilities.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

const bool AddActorToCluster ( AActor* InActor,
ALODActor* InParentActor
)

 Adds an actor to the given cluster IHierarchicalLODUtilities.h  

const bool AreActorsClustered ( const TArray< AActor* >& InActors
)

 Checks if all actors are part of a cluster IHierarchicalLODUtilities.h  

const bool AreActorsInSameHLODLevel ( const TArray< AActor* >& InActors
)

 Checks if all actors are in the same HLOD level IHierarchicalLODUtilities.h  

const bool AreActorsInSamePersistingLevel ( const TArray< AActor* >& InActors
)

 Checks if all actors have the same outer world IHierarchicalLODUtilities.h  

const bool AreClustersInSameHLODLevel ( const TArray< ALODActor* >& InLODActors
)

 Checks if all clusters are in the same HLOD level IHierarchicalLODUtilities.h  

bool BuildStaticMeshForLODActor ( ALODActor* LODActor,
UHLODProxy* Proxy,
const FHierarchicalSimplification& LODSetup,
UMaterialInterface* InBaseMaterial
)

 Builds a virtual mesh object for the given LODACtor IHierarchicalLODUtilities.h  

float CalculateDrawDistanceFromScreenSize ( const float SphereRadius,
const float ScreenSize,
const FMatrix& ProjectionMatrix
)

   IHierarchicalLODUtilities.h  

float CalculateScreenSizeFromDrawDistance ( const float SphereRadius,
const FMatrix& ProjectionMatrix,
const float Distance
)

 Computes the Screensize of the given Sphere taking into account the ProjectionMatrix and distance IHierarchicalLODUtilities.h  
Cleans any standalone flags for meshes, textures and materials. IHierarchicalLODUtilities.h  

int32 ComputeStaticMeshLODLevel ( const TArray< FStaticMeshSourceModel >& SourceModels,
const FStaticMeshRenderData* RenderData,
const float ScreenSize
)

 Computes which LOD level of a Mesh corresponds to the given Distance (calculates closest ScreenSize with distance) IHierarchicalLODUtilities.h  

ALODActor * CreateNewClusterActor ( UWorld* InWorld,
const int32 InLODLevel,
AWorldSettings* WorldSettings
)

 Creates a new cluster actor in the given InWorld with InLODLevel as HLODLevel IHierarchicalLODUtilities.h  

ALODActor * CreateNewClusterFromActors ( UWorld* InWorld,
AWorldSettings* WorldSettings,
const TArray< AActor* >& InActors,
const int32 InLODLevel
)

 Creates a new cluster in InWorld with InActors as sub actors IHierarchicalLODUtilities.h  

UPackage * CreateOrRetrieveLevelHLODPackage ( const ULevel* InLevel,
const uint32 HLODLevelIndex
)

 Creates or retrieves the HLOD package that is created for the given level IHierarchicalLODUtilities.h  

UHLODProxy * CreateOrRetrieveLevelHLODProxy ( const ULevel* InLevel,
const uint32 HLODLevelIndex
)

 Creates or retrieves the HLOD proxy that is created for the given level IHierarchicalLODUtilities.h  

AHierarchicalLODVolume * CreateVolumeForLODActor ( ALODActor* InLODActor,
UWorld* InWorld
)

 Creates a HierarchicalLODVolume using the bounds of a given LODActor IHierarchicalLODUtilities.h  

void DeleteLODActorsInHLODLevel ( UWorld* InWorld,
const int32 HLODLevelIndex
)

 Deletes all the ALODActors with the given HLODLevelIndex inside off InWorld IHierarchicalLODUtilities.h  

void DestroyCluster ( ALODActor* InActor
)

 Deletes the given cluster's data and instance in the world IHierarchicalLODUtilities.h  

void DestroyLODActor ( ALODActor* InActor
)

 Destroys an LODActor instance IHierarchicalLODUtilities.h  

void ExcludeActorFromClusterGeneration ( AActor* InActor
)

 Excludes an actor from the cluster generation process IHierarchicalLODUtilities.h  

void ExtractStaticMeshActorsFromLODActor ( ALODActor* LODActor,
TArray< AActor* >& InOutActors
)

 Extracts all the virtual Mesh Actors from the given LODActor's SubActors array IHierarchicalLODUtilities.h  

void ExtractSubActorsFromLODActor ( AActor* Actor,
TArray< AActor* >& InOutActors
)

 Recursively retrieves Actors from a LODActor and its child LODActors IHierarchicalLODUtilities.h  

FString GetLevelHLODProxyName ( const FString& InLevelPackageName,
const uint32 HLODLevelIndex
)

 Get the name of a HLOD proxy given the name of a level's package IHierarchicalLODUtilities.h  

int32 GetLODLevelForScreenSize ( const UStaticMeshComponent* StaticMeshComponent,
const float ScreenSize
)

 Computes the LODLevel for a StaticMeshComponent taking into account the ScreenSize IHierarchicalLODUtilities.h  

ALODActor * GetParentLODActor ( const AActor* InActor
)

 Returns the ALODActor parent for the given InActor, nullptr if none available IHierarchicalLODUtilities.h  

FString GetWildcardOfHLODPackagesForPackage ( const FString& PackageName
)

 Retrieves a wildcard that includes all possible HLOD packagenames that could be used by the given package. IHierarchicalLODUtilities.h  

void HandleActorModified ( AActor* InActor
)

 Handles changes in actors for the current world, checks if InActor is part of a HLOD cluster and if so set its dirty-flag IHierarchicalLODUtilities.h  

const bool IsActorClustered ( const AActor* InActor
)

 Checks if an actor is clustered IHierarchicalLODUtilities.h  

bool IsWorldUsedForStreaming ( const UWorld* InWorld
)

 Checks whether or not the given InWorld is used as a streaming level by any other World in the level IHierarchicalLODUtilities.h  

const bool MergeClusters ( ALODActor* TargetCluster,
ALODActor* SourceCluster
)

 Merges two clusters together IHierarchicalLODUtilities.h  

const bool RemoveActorFromCluster ( AActor* InActor
)

 Removes the given actor from it's parent cluster IHierarchicalLODUtilities.h  

UPackage * RetrieveLevelHLODPackage ( const ULevel* InLevel,
const uint32 HLODLevelIndex
)

 Retrieves the HLOD package that is created for the given level IHierarchicalLODUtilities.h  

UHLODProxy * RetrieveLevelHLODProxy ( const ULevel* InLevel,
const uint32 HLODLevelIndex
)

 Retrieves the HLOD proxy that is created for the given level IHierarchicalLODUtilities.h  

EClusterGenerationError ShouldGenerateCluster ( AActor* Actor,
const int32 HLODLevelIndex
)

 Returns whether or not the given actor is eligible for creating a HLOD cluster creation IHierarchicalLODUtilities.h  

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