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  3. TDataRewindHistory

TDataRewindHistory

Templated data history holding a data buffer

API > API/Runtime > API/Runtime/Chaos

Inheritance Hierarchy

References

   
Module Chaos
Header /Engine/Source/Runtime/Experimental/Chaos/Public/RewindData.h
Include #include "RewindData.h"

Syntax

template<typename DataType>  
struct TDataRewindHistory : public Chaos::FBaseRewindHistory

Remarks

Templated data history holding a data buffer

Variables

  Type Name Description
Protected variable bool bIsLocalHistory Check if the history is on the local/remote client
Protected variable int32 CurrentFrame Current frame that is being loaded/recorded
Protected variable int32 CurrentIndex Current index that is being loaded/recorded
Protected variable TArray< DataType > DataHistory Data buffer holding the history
Protected variable int32 LatestFrame The most up to date frame entry in history
Protected variable int32 NumFrames Number of frames in data history

Constructors

  Type Name Description
Public function  

TDataRewindHistory ( const int32 FrameCount
)

  
Public function  

TDataRewindHistory ( const int32 FrameCount,
const bool bIsHistoryLocal
)

  

Destructors

  Type Name Description
Public function Virtual    

Functions

  Type Name Description
Protected function int32

ClosestData ( const int32 DataFrame,
const bool bMinData
)

 Get the closest (min/max) valid data from the data frame
Protected function int32

ClosestDatas ( const int32 DatasFrame,
const bool bMinDatas
)

  
Public function bool

EvalData ( const int32 EvalFrame
)

 Eval the data from the buffer at a specific frame
Public function bool

EvalDatas ( const int32 EvalFrame
)

  
Public function Const const DataType &  
Public function DataType & Current data that is being loaded/recorded
Public function Const const DataType &  
Public function DataType &  
Public function TArray< DataType > &  
Public function TArray< DataType > &  
Public function Const const uint32

GetFrameIndex ( const int32 Frame
)

  
Public function bool

LoadData ( const int32 LoadFrame
)

 Load the data from the buffer at a specific frame
Public function bool

LoadDatas ( const int32 LoadFrame
)

  
Public function Const uint32

NumValidData ( const uint32 StartFrame,
const uint32 EndFrame
)

 Get the number of valid data in the buffer index range
Public function Const uint32

NumValidDatas ( const uint32 StartFrame,
const uint32 EndFrame
)

  

Overridden from FBaseRewindHistory

  Type Name Description
Public function Virtual bool

ExtractData ( const int32 ExtractFrame,
const bool bResetSolver,
void* HistoryData,
const bool bExactFrame
)

 Extract states at a given time
Public function Virtual Const const int32 Return the least up to date frame entry in history
Public function Virtual Const const int32 Return the max size of the history
Public function Virtual Const const int32 Return the most up to date frame entry in history
Public function Virtual Const const bool Return if history has valid data
Public function Virtual Const bool

HasValidData ( const int32 ValidFrame
)

 Check if the history buffer contains an entry for the given frame
Public function Virtual void Initialize history
Public function Virtual void

MergeData ( int32 FromFrame,
void* ToData
)

 Iterate over and merge data
Public function Virtual bool

RecordData ( const int32 RecordFrame,
const void* HistoryData
)

 Record the data from the buffer at a specific frame
Public function Virtual void Perform a fast reset, marking the data history as reset but not clearing the data or resetting collections
Public function Virtual void

ResizeDataHistory ( const int32 FrameCount,
const EAllowShrinking AllowShrinking
)

 Resize the history

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