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  3. FISMInstanceUpdateChangeSet

FISMInstanceUpdateChangeSet

API > API/Runtime > API/Runtime/Engine > API/Runtime/Engine/InstancedStaticMesh

References

   
Module Engine
Header /Engine/Source/Runtime/Engine/Public/InstancedStaticMesh/ISMInstanceUpdateChangeSet.h
Include #include "InstancedStaticMesh/ISMInstanceUpdateChangeSet.h"

Syntax

class FISMInstanceUpdateChangeSet

Variables

  Type Name Description
Public variable float AbsMaxDisplacement  
Public variable bool bAnyEditorDataChanged  
Public variable bool bBakedLightingDataChanged  
Public variable bool bIdentityIdMap  
Public variable bool bNeedFullUpdate  
Public variable bool bNumCustomDataChanged  
Public variable bool bUpdateAllInstanceTransforms  
Public variable FInstanceDataFlags Flags  
Public variable TFunction< void(TArray< float > &InstanceRandomIDs)> GeneratePerInstanceRandomIds  
Public variable TPimplPtr< FOpaqueHitProxyContainer > HitProxyContainer  
Public variable TArray< FPrimitiveInstanceId > IndexToIdMapDeltaData  
Public variable FInstanceAttributeTracker InstanceAttributeTracker  
Public variable TArray< uint32 > InstanceEditorData  
Public variable TArray< FVector4f > InstanceLightShadowUVBias  
Public variable TArray< FRenderBounds, TInlineAllocator< 1 > > InstanceLocalBounds  
Public variable TArray< int32 > LegacyInstanceReorderTable  
Public variable int32 MaxInstanceId  
Public variable int32 NumCustomDataFloats  
Public variable int32 NumSourceInstances  
Public variable TArray< float > PerInstanceCustomData  
Public variable int32 PostUpdateNumInstances  
Public variable TOptional< FRenderTransform > PreviousPrimitiveToRelativeWorld  
Public variable TArray< FRenderTransform > PrevTransforms  
Public variable FRenderTransform PrimitiveToRelativeWorld  
Public variable FVector PrimitiveWorldSpaceOffset  
Public variable TBitArray SelectedInstances  
Public variable TArray< FRenderTransform > Transforms  

Constructors

  Type Name Description
Public function  

FISMInstanceUpdateChangeSet ( bool bInNeedFullUpdate,
FInstanceAttributeTracker&& InInstanceAttributeTracker
)

  

Functions

  Type Name Description
Public function void Add a value, must be done in the order represented in the InstanceLightShadowUVBiasDelta.
Public function Const FInstanceAttributeTracker::FDeltaRange< FInstanceAttributeTracker::EFlag::CustomDataChanged >  
Public function Const FInstanceAttributeTracker::FDeltaRange< Flag >

GetDelta ( bool bForceEmpty,
bool bForceFull
)

  
Public function Const FInstanceAttributeTracker::FDeltaRange< FInstanceAttributeTracker::EFlag::IndexChanged >  
Public function Const FIdentityDeltaRange  
Public function Const FIdentityDeltaRange  
Public function Const FInstanceAttributeTracker::FDeltaRange< FInstanceAttributeTracker::EFlag::TransformChanged >  
Public function Const bool  
Public function void

SetCustomData ( const TArrayView< const float >& InPerInstanceCustomData,
int32 InNumCustomDataFloats
)

  
Public function void

SetEditorData ( const TArray< TRefCountPtr< HHitProxy > >& HitProxies,
const TBitArray<>& SelectedInstances
)

 Set editor data.
Public function void  
Public function void

SetInstancePrevTransforms ( TArrayView< FMatrix > InPrevInstanceTransforms
)

  
Public function void

SetInstancePrevTransforms ( TArrayView< FMatrix > InPrevInstanceTransforms,
const FVector& Offset
)

  
Public function void

SetInstanceTransforms ( TStridedView< FMatrix > InInstanceTransforms
)

  
Public function void

SetInstanceTransforms ( TStridedView< FMatrix > InInstanceTransforms,
const FVector Offset
)

  
Public function void

SetInstanceTransforms ( TStridedView< FMatrix > InInstanceTransforms,
FBox const& InInstanceBounds,
FBox& OutGatheredBounds
)

 This version produces the bounds of the gathered transforms as a side-effect.

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