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  3. FBitReader

FBitReader

Reads bitstreams.

API > API/Runtime > API/Runtime/Core > API/Runtime/Core/Serialization

Inheritance Hierarchy

References

   
Module Core
Header /Engine/Source/Runtime/Core/Public/Serialization/BitReader.h
Include #include "Serialization/BitReader.h"

Syntax

struct FBitReader : public FBitArchive

Remarks

Reads bitstreams.

Variables

  Type Name Description
Protected variable TArray< uint8 > Buffer  
Protected variable int64 Num  
Protected variable int64 Pos  

Constructors

  Type Name Description
Public function  

FBitReader ( const FBitReader&
)

  
Public function    
Public function  

FBitReader ( const uint8* Src,
int64 CountBits
)

  

Functions

  Type Name Description
Public function void This appends data from another BitReader.
Public function void

AppendDataFromChecked ( uint8* Src,
uint32 NumBits
)

 This appends data from another BitReader.
Public function void

AppendTo ( TArray< uint8 >& Buffer
)

  
Public function Virtual Const void Counts the in-memory bytes used by this object
Public function void  
Public function Const int64  
Public function Const const TArray< uint8 > &  
Public function Const int64  
Public function Const const uint8 *

GetData ()

  
Public function uint8 *

GetData ()

  
Public function uint8 *  
Public function Const int64  
Public function Const int64  
Public function Const int64  
Public function uint8

ReadBit ()

  
Public function uint32

ReadInt ( uint32 Max
)

  
Public function void

ResetData ( FBitReader& Src,
int64 CountBits
)

 Equivalent to SetData (reset position, copy from Src into internal buffer), but uses Reset not Empty to avoid a realloc if possible.
Public function void Set the stream at the end
Public function void

SetData ( uint8* Src,
int64 CountBits
)

  
Public function void

SetData ( FBitReader& Src,
int64 CountBits
)

  
Public function void

SetData ( TArray< uint8 >&& Src,
int64 CountBits
)

  
Protected function void Copies version information used for network compatibility from Source to this archive
Public function void

SetOverflowed ( int64 LengthBits
)

 Marks this bit reader as overflowed.

Overridden from FBitArchive

  Type Name Description
Public function Virtual void

SerializeBitsWithOffset ( void* Dest,
int32 DestBit,
int64 LengthBits
)

  

Overridden from FArchive

  Type Name Description
Public function Virtual void

Serialize ( void* Dest,
int64 LengthBytes
)

  
Public function Virtual void

SerializeBits ( void* Dest,
int64 LengthBits
)

 Disable false positive buffer overrun warning during pgoprofile linking step.
Public function Virtual void

SerializeInt ( uint32& OutValue,
uint32 ValueMax
)

 OutValue < ValueMax.
Public function Virtual void

SerializeIntPacked ( uint32& Value
)

 Packs int value into bytes of 7 bits with 8th bit for 'more'

Overridden from FArchiveState

  Type Name Description
Public function Virtual bool

AtEnd ()

 Returns true if the current location within the backing data storage is at the end, always returns false if there is no storage.

Operators

  Type Name Description
Public function FBitReader &  
Public function FBitReader &

operator= ( const FBitReader&
)

  

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