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  3. UGeometryCacheTrack

UGeometryCacheTrack

Base class for GeometryCache tracks, stores matrix animation data and implements functionality for it

API > API/Plugins > API/Plugins/GeometryCache

Base class for GeometryCache tracks, stores matrix animation data and implements functionality for it

   
Name UGeometryCacheTrack
Type class
Header File /Engine/Plugins/Runtime/GeometryCache/Source/GeometryCache/Classes/GeometryCacheTrack.h
Include Path #include "GeometryCacheTrack.h"

Syntax

UCLASS (MinimalAPI, CollapseCategories, HideCategories=Object, BlueprintType, Config=Engine)  
class UGeometryCacheTrack : public UObject

Inheritance Hierarchy

Derived Classes

UGeometryCacheTrack derived class hierarchy

Constructors

Name Remarks Include Path Unreal Specifiers

UGeometryCacheTrack ( const FObjectInitializer& ObjectInitializer
)

   GeometryCacheTrack.h  

Destructors

Name Remarks Include Path Unreal Specifiers

virtual ~UGeometryCacheTrack()

   GeometryCacheTrack.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

virtual void AddMatrixSample ( const FMatrix& Matrix,
const float SampleTime
)

 AddMatrixSample, Adds a single matrix animation sample (recalculates duration according to SampleTime) GeometryCacheTrack.h  

virtual float GetDuration()

 Get the value of the duration property. GeometryCacheTrack.h  

virtual uint64 GetHash()

 Return the hash of the mesh data of the track GeometryCacheTrack.h  

virtual const float GetMaxSampleTime()

 GetMaxSampleTime, returns the time for the last sample Not the same as the animation length since it might not start at time 0 GeometryCacheTrack.h  

virtual bool GetMeshDataAtSampleIndex ( int32 SampleIndex,
FGeometryCacheMeshData& OutMeshData
)

 Get the mesh data for the specified sample index GeometryCacheTrack.h  

virtual bool GetMeshDataAtTime ( float Time,
FGeometryCacheMeshData& OutMeshData
)

 Get the mesh data for the specified time GeometryCacheTrack.h  

const uint32 GetNumMaterials()

 GetNumMaterials, total number of materials inside this track (depends on batches) GeometryCacheTrack.h  

virtual const FGeometryCacheTrackSampleInfo & GetSampleInfo ( float Time,
const bool bLooping
)

 Get the info for the sample displayed at the given time. GeometryCacheTrack.h  

virtual void SetDuration ( float NewDuration
)

 Set the duration property. GeometryCacheTrack.h  

virtual void SetMatrixSamples ( const TArray< FMatrix >& Matrices,
const TArray< float >& SampleTimes
)

 SetMatrixSamples, Set the Matrix animation Samples GeometryCacheTrack.h  

virtual const bool UpdateBoundsData ( const float Time,
const bool bLooping,
const bool bIsPlayingBackward,
int32& InOutBoundsSampleIndex,
FBox& OutBounds
)

 UpdateBoundsData GeometryCacheTrack.h  

virtual const bool UpdateMatrixData ( const float Time,
const bool bLooping,
int32& InOutMatrixSampleIndex,
FMatrix& OutWorldMatrix
)

 UpdateMatrixData GeometryCacheTrack.h  

virtual const bool UpdateMeshData ( const float Time,
const bool bLooping,
int32& InOutMeshSampleIndex,
FGeometryCacheMeshData*& OutMeshData
)

 UpdateMeshData* GeometryCacheTrack.h  

virtual void UpdateTime ( float Time,
bool bLooping
)

 Update the current time of the track GeometryCacheTrack.h  

Overridden from UObject

Name Remarks Include Path Unreal Specifiers

virtual void GetResourceSizeEx ( FResourceSizeEx& CumulativeResourceSize
)

   GeometryCacheTrack.h  

virtual void Serialize ( FArchive& Ar
)

   GeometryCacheTrack.h  

Protected

Name Remarks Include Path Unreal Specifiers

const uint32 FindSampleIndexFromTime ( const TArray< float >& SampleTimes,
const float Time,
const bool bLooping
)

 FindSampleIndexFromTime uses binary search to find the closest index to Time inside Samples GeometryCacheTrack.h  

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