#include "Components/HierarchicalInstancedStaticMeshComponent.h"
#include "StaticMeshComponentLODInfo.h"
#include "Templates/Greater.h"
#include "EngineLogs.h"
#include "EngineStats.h"
#include "Engine/Level.h"
#include "AI/NavigationSystemBase.h"
#include "AI/Navigation/NavCollisionBase.h"
#include "Engine/MapBuildDataRegistry.h"
#include "Materials/MaterialInterface.h"
#include "Materials/MaterialRenderProxy.h"
#include "MaterialShared.h"
#include "UObject/UObjectIterator.h"
#include "RenderUtils.h"
#include "UnrealEngine.h"
#include "Containers/Ticker.h"
#include "InstancedStaticMeshDelegates.h"
#include "UObject/ReleaseObjectVersion.h"
#include "ComponentRecreateRenderStateContext.h"
#include "Algo/AnyOf.h"
#include "UObject/UnrealType.h"
#include "NaniteSceneProxy.h"
#include "HierarchicalStaticMeshSceneProxy.h"
#include "InstancedStaticMesh/ISMInstanceUpdateChangeSet.h"

Classes
struct	FFoliageRenderInstanceParams

struct	FFoliageCullInstanceParams

struct	FFoliageElementParams

Functions
	DECLARE_CYCLE_STAT (TEXT("Traversal Time"), STAT_FoliageTraversalTime, STATGROUP_Foliage)

	DECLARE_CYCLE_STAT (TEXT("Build Time"), STAT_FoliageBuildTime, STATGROUP_Foliage)

	DECLARE_CYCLE_STAT (TEXT("Batch Time"), STAT_FoliageBatchTime, STATGROUP_Foliage)

	DECLARE_CYCLE_STAT (TEXT("Foliage Create Proxy"), STAT_FoliageCreateProxy, STATGROUP_Foliage)

	DECLARE_CYCLE_STAT (TEXT("Foliage Post Load"), STAT_FoliagePostLoad, STATGROUP_Foliage)

	DECLARE_CYCLE_STAT (TEXT("HISMC_AddInstance"), STAT_HISMCAddInstance, STATGROUP_Foliage)

	DECLARE_CYCLE_STAT (TEXT("HISMC_AddInstances"), STAT_HISMCAddInstances, STATGROUP_Foliage)

	DECLARE_CYCLE_STAT (TEXT("HISMC_RemoveInstance"), STAT_HISMCRemoveInstance, STATGROUP_Foliage)

	DECLARE_CYCLE_STAT (TEXT("HISMC_GetDynamicMeshElement"), STAT_HISMCGetDynamicMeshElement, STATGROUP_Foliage)

	DECLARE_DWORD_COUNTER_STAT (TEXT("Runs"), STAT_FoliageRuns, STATGROUP_Foliage)

	DECLARE_DWORD_COUNTER_STAT (TEXT("Mesh Batches"), STAT_FoliageMeshBatches, STATGROUP_Foliage)

	DECLARE_DWORD_COUNTER_STAT (TEXT("Triangles"), STAT_FoliageTriangles, STATGROUP_Foliage)

	DECLARE_DWORD_COUNTER_STAT (TEXT("Instances"), STAT_FoliageInstances, STATGROUP_Foliage)

	DECLARE_DWORD_COUNTER_STAT (TEXT("Occlusion Culled Instances"), STAT_OcclusionCulledFoliageInstances, STATGROUP_Foliage)

	DECLARE_DWORD_COUNTER_STAT (TEXT("Traversals"), STAT_FoliageTraversals, STATGROUP_Foliage)

	DECLARE_MEMORY_STAT (TEXT("Instance Buffers"), STAT_FoliageInstanceBuffers, STATGROUP_Foliage)

void	ToggleFreezeFoliageCulling ()

void	CalcLOD (int32 &InOutMinLOD, int32 &InOutMaxLOD, const FVector &BoundMin, const FVector &BoundMax, const FVector &ViewOriginInLocalZero, const FVector &ViewOriginInLocalOne, const float(&LODPlanesMin)[MAX_STATIC_MESH_LODS], const float(&LODPlanesMax)[MAX_STATIC_MESH_LODS])

bool	CanGroup (const FVector &BoundMin, const FVector &BoundMax, const FVector &ViewOriginInLocalZero, const FVector &ViewOriginInLocalOne, float MaxDrawDist)

Variables
TAutoConsoleVariable< float >	CVarFoliageMinimumScreenSize (TEXT("foliage.MinimumScreenSize"), 0.000005f, TEXT("This controls the screen size at which we cull foliage instances entirely."), ECVF_Scalability)

TAutoConsoleVariable< int32 >	CVarFoliageMaxEndCullDistance (TEXT("foliage.MaxEndCullDistance"), 0, TEXT("Max distance for end culling (0 disabled)."))

TAutoConsoleVariable< float >	CVarFoliageLODDistanceScale (TEXT("foliage.LODDistanceScale"), 1.0f, TEXT("Scale factor for the distance used in computing LOD for foliage."), FConsoleVariableDelegate::CreateLambda([](IConsoleVariable *InVariable) { FGlobalComponentRecreateRenderStateContext Context;}), ECVF_Scalability)

TAutoConsoleVariable< float >	CVarRandomLODRange (TEXT("foliage.RandomLODRange"), 0.0f, TEXT("Random distance added to each instance distance to compute LOD."))

const VectorRegister	VECTOR_HALF_HALF_HALF_ZERO = DECLARE_VECTOR_REGISTER(0.5f, 0.5f, 0.5f, 0.0f)

Function Documentation

◆ CalcLOD()

void CalcLOD	(	int32 &	InOutMinLOD,
		int32 &	InOutMaxLOD,
		const FVector &	BoundMin,
		const FVector &	BoundMax,
		const FVector &	ViewOriginInLocalZero,
		const FVector &	ViewOriginInLocalOne,
		const float(&)	LODPlanesMin[MAX_STATIC_MESH_LODS],
		const float(&)	LODPlanesMax[MAX_STATIC_MESH_LODS]
	)

inline

◆ CanGroup()

bool CanGroup	(	const FVector &	BoundMin,
		const FVector &	BoundMax,
		const FVector &	ViewOriginInLocalZero,
		const FVector &	ViewOriginInLocalOne,
		float	MaxDrawDist
	)

inline

◆ DECLARE_CYCLE_STAT() [1/9]

DECLARE_CYCLE_STAT	(	TEXT("Batch Time")	,
		STAT_FoliageBatchTime	,
		STATGROUP_Foliage
	)

◆ DECLARE_CYCLE_STAT() [2/9]

DECLARE_CYCLE_STAT	(	TEXT("Build Time")	,
		STAT_FoliageBuildTime	,
		STATGROUP_Foliage
	)

◆ DECLARE_CYCLE_STAT() [3/9]

DECLARE_CYCLE_STAT	(	TEXT("Foliage Create Proxy")	,
		STAT_FoliageCreateProxy	,
		STATGROUP_Foliage
	)

◆ DECLARE_CYCLE_STAT() [4/9]

DECLARE_CYCLE_STAT	(	TEXT("Foliage Post Load")	,
		STAT_FoliagePostLoad	,
		STATGROUP_Foliage
	)

◆ DECLARE_CYCLE_STAT() [5/9]

DECLARE_CYCLE_STAT	(	TEXT("HISMC_AddInstance")	,
		STAT_HISMCAddInstance	,
		STATGROUP_Foliage
	)

◆ DECLARE_CYCLE_STAT() [6/9]

DECLARE_CYCLE_STAT	(	TEXT("HISMC_AddInstances")	,
		STAT_HISMCAddInstances	,
		STATGROUP_Foliage
	)

◆ DECLARE_CYCLE_STAT() [7/9]

DECLARE_CYCLE_STAT	(	TEXT("HISMC_GetDynamicMeshElement")	,
		STAT_HISMCGetDynamicMeshElement	,
		STATGROUP_Foliage
	)

◆ DECLARE_CYCLE_STAT() [8/9]

DECLARE_CYCLE_STAT	(	TEXT("HISMC_RemoveInstance")	,
		STAT_HISMCRemoveInstance	,
		STATGROUP_Foliage
	)

◆ DECLARE_CYCLE_STAT() [9/9]

DECLARE_CYCLE_STAT	(	TEXT("Traversal Time")	,
		STAT_FoliageTraversalTime	,
		STATGROUP_Foliage
	)

◆ DECLARE_DWORD_COUNTER_STAT() [1/6]

DECLARE_DWORD_COUNTER_STAT	(	TEXT("Instances")	,
		STAT_FoliageInstances	,
		STATGROUP_Foliage
	)

◆ DECLARE_DWORD_COUNTER_STAT() [2/6]

DECLARE_DWORD_COUNTER_STAT	(	TEXT("Mesh Batches")	,
		STAT_FoliageMeshBatches	,
		STATGROUP_Foliage
	)

◆ DECLARE_DWORD_COUNTER_STAT() [3/6]

DECLARE_DWORD_COUNTER_STAT	(	TEXT("Occlusion Culled Instances")	,
		STAT_OcclusionCulledFoliageInstances	,
		STATGROUP_Foliage
	)

◆ DECLARE_DWORD_COUNTER_STAT() [4/6]

DECLARE_DWORD_COUNTER_STAT	(	TEXT("Runs")	,
		STAT_FoliageRuns	,
		STATGROUP_Foliage
	)

◆ DECLARE_DWORD_COUNTER_STAT() [5/6]

DECLARE_DWORD_COUNTER_STAT	(	TEXT("Traversals")	,
		STAT_FoliageTraversals	,
		STATGROUP_Foliage
	)

◆ DECLARE_DWORD_COUNTER_STAT() [6/6]

DECLARE_DWORD_COUNTER_STAT	(	TEXT("Triangles")	,
		STAT_FoliageTriangles	,
		STATGROUP_Foliage
	)

◆ DECLARE_MEMORY_STAT()

DECLARE_MEMORY_STAT	(	TEXT("Instance Buffers")	,
		STAT_FoliageInstanceBuffers	,
		STATGROUP_Foliage
	)

◆ ToggleFreezeFoliageCulling()

void ToggleFreezeFoliageCulling ( )

Variable Documentation

◆ CVarFoliageLODDistanceScale

TAutoConsoleVariable< float > CVarFoliageLODDistanceScale(TEXT("foliage.LODDistanceScale"), 1.0f, TEXT("Scale factor for the distance used in computing LOD for foliage."), FConsoleVariableDelegate::CreateLambda([](IConsoleVariable *InVariable) { FGlobalComponentRecreateRenderStateContext Context; }), ECVF_Scalability)	(	TEXT("foliage.LODDistanceScale")	,
		1.	0f,
		TEXT("Scale factor for the distance used in computing LOD for foliage.")	,
		FConsoleVariableDelegate::CreateLambda([](IConsoleVariable *InVariable) { FGlobalComponentRecreateRenderStateContext Context; })	,
		ECVF_Scalability
	)

◆ CVarFoliageMaxEndCullDistance

TAutoConsoleVariable< int32 > CVarFoliageMaxEndCullDistance(TEXT("foliage.MaxEndCullDistance"), 0, TEXT("Max distance for end culling (0 disabled)."))	(	TEXT("foliage.MaxEndCullDistance")	,
		0	,
		TEXT("Max distance for end culling (0 disabled).")
	)

◆ CVarFoliageMinimumScreenSize

TAutoConsoleVariable< float > CVarFoliageMinimumScreenSize(TEXT("foliage.MinimumScreenSize"), 0.000005f, TEXT("This controls the screen size at which we cull foliage instances entirely."), ECVF_Scalability)	(	TEXT("foliage.MinimumScreenSize")	,
		0.	000005f,
		TEXT("This controls the screen size at which we cull foliage instances entirely.")	,
		ECVF_Scalability
	)

◆ CVarRandomLODRange

TAutoConsoleVariable< float > CVarRandomLODRange(TEXT("foliage.RandomLODRange"), 0.0f, TEXT("Random distance added to each instance distance to compute LOD."))	(	TEXT("foliage.RandomLODRange")	,
		0.	0f,
		TEXT("Random distance added to each instance distance to compute LOD.")
	)

◆ VECTOR_HALF_HALF_HALF_ZERO

const VectorRegister VECTOR_HALF_HALF_HALF_ZERO = DECLARE_VECTOR_REGISTER(0.5f, 0.5f, 0.5f, 0.0f)

Classes

Functions

Variables