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  3. FBitWriter

FBitWriter

Writes bitstreams.

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

Inheritance Hierarchy

References

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

Syntax

struct FBitWriter : public FBitArchive

Remarks

Writes bitstreams.

Constructors

  Type Name Description
Public function   Default constructor. Zeros everything.
Public function  

FBitWriter ( const FBitWriter&
)

  
Public function    
Public function  

FBitWriter ( int64 InMaxBits,
bool AllowResize
)

 Constructor using known size the buffer needs to be

Functions

  Type Name Description
Public function bool

AllowAppend ( int64 LengthBits
)

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

GetData ()

  
Public function uint8 *

GetData ()

 Returns a pointer to our internal buffer.
Public function Const int64 Returns the number of bits the buffer supports.
Public function Const int64 Returns the number of bits written.
Public function Const int64 Returns the number of bytes written.
Public function void

SetAllowOverflow ( bool bInAllow
)

 Sets whether or not this writer intentionally allows overflows (to avoid logspam)
Public function void

SetAllowResize ( bool NewResize
)

  
Public function void

SetOverflowed ( int32 LengthBits
)

 Marks this bit writer as overflowed.
Public function void  
Public function void

WriteBit ( uint8 In
)

  
Public function void

WriteIntWrapped ( uint32 Value,
uint32 ValueMax
)

 Serializes the specified Value, but does not bounds check against ValueMax; instead, it will wrap around if the value exceeds ValueMax (this differs from SerializeInt, which clamps)

Overridden from FBitArchive

  Type Name Description
Public function Virtual void

SerializeBitsWithOffset ( void* Src,
int32 SourceBit,
int64 LengthBits
)

  

Overridden from FArchive

  Type Name Description
Public function Virtual void

Serialize ( void* Src,
int64 LengthBytes
)

  
Public function Virtual void

SerializeBits ( void* Src,
int64 LengthBits
)

  
Public function Virtual void

SerializeInt ( uint32& Value,
uint32 Max
)

 Serializes a compressed integer - Value must be < Max
Public function Virtual void

SerializeIntPacked ( uint32& Value
)

 This function is bit compatible with FArchive::SerializeIntPacked.

Overridden from FArchiveState

  Type Name Description
Public function Virtual void

Reset ()

 Resets the bit writer back to its initial state

Operators

  Type Name Description
Public function FBitWriter &  
Public function FBitWriter &

operator= ( const FBitWriter&
)

  

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