FGroomCacheAdapter | Unreal Engine 5.7 Documentation

Groom cache adapter to be able to cache groom simulation data through the chaos cache system


Name	FGroomCacheAdapter
Type	class
Header File	/Engine/Plugins/Runtime/HairStrands/Source/HairStrandsSolver/Public/GroomCacheAdapter.h
Include Path	#include "GroomCacheAdapter.h"

Syntax

class FGroomCacheAdapter : public Chaos::FComponentCacheAdapter

Name	Remarks	Include Path	Unreal Specifiers
virtual ~FGroomCacheAdapter()		GroomCacheAdapter.h

Name	Remarks
FGroomCacheData	Groom cache aata that will store the readback results

Name	Type	Remarks	Include Path
bIsLoading	bool	Boolean to check if we are reading the cache or not	GroomCacheAdapter.h
GroomCaches	TMap< UPrimitiveComponent *, FGroomCacheData >	List of groom caches that will be used to record/play caches	GroomCacheAdapter.h
ReadbackTasks	FGraphEventArray	List of readback tasks to process	GroomCacheAdapter.h

Name	Remarks	Include Path	Unreal Specifiers
virtual void Playback_PreSolve ( UPrimitiveComponent* InComponent, UChaosCache* InCache, Chaos::FReal InTime, FPlaybackTickRecord& TickRecord, TArray< Chaos::TPBDRigidParticleHandle< Chaos::FReal, 3 >* >& OutUpdatedRigids ) const		GroomCacheAdapter.h
virtual void Record_PostSolve ( UPrimitiveComponent* InComp, const FTransform& InRootTransform, FPendingFrameWrite& OutFrame, Chaos::FReal InTime ) const		GroomCacheAdapter.h
virtual void SetRestState ( UPrimitiveComponent* InComponent, UChaosCache* InCache, const FTransform& InRootTransform, Chaos::FReal InTime ) const		GroomCacheAdapter.h

Name	Remarks	Include Path	Unreal Specifiers
virtual Chaos::FPhysicsSolverEvents * BuildEventsSolver ( UPrimitiveComponent* InComponent ) const		GroomCacheAdapter.h
virtual void Finalize()		GroomCacheAdapter.h
virtual Chaos::FPhysicsSolver * GetComponentSolver ( UPrimitiveComponent* InComponent ) const		GroomCacheAdapter.h
virtual UClass * GetDesiredClass()		GroomCacheAdapter.h
virtual FGuid GetGuid()		GroomCacheAdapter.h
virtual uint8 GetPriority()		GroomCacheAdapter.h
virtual void InitializeForLoad ( UPrimitiveComponent* InComponent, FObservedComponent& InObserved )		GroomCacheAdapter.h
virtual bool InitializeForPlayback ( UPrimitiveComponent* InComponent, FObservedComponent& InObserved, float InTime )		GroomCacheAdapter.h
virtual bool InitializeForRecord ( UPrimitiveComponent* InComponent, FObservedComponent& InObserved )		GroomCacheAdapter.h
virtual SupportType SupportsComponentClass ( UClass* InComponentClass ) const		GroomCacheAdapter.h
virtual bool ValidForPlayback ( UPrimitiveComponent* InComponent, UChaosCache* InCache ) const		GroomCacheAdapter.h
virtual void WaitForSolverTasks ( UPrimitiveComponent* InComponent ) const		GroomCacheAdapter.h

Name	Remarks	Include Path	Unreal Specifiers
static void FillCacheProcessor ( const UGroomComponent* GroomComponent, FGroomCacheData& GroomCache, const int32 NumFrames, float& MaxTime, int32& MaxFrame )	Fill the cache processor from the position buffer	GroomCacheAdapter.h