UpdateMask Class Reference

#include <UpdateMask.h>

Public Types
enum	UpdateMaskCount { CLIENT_UPDATE_MASK_BITS = sizeof(ClientUpdateMaskType) * 8 }
typedef uint32	ClientUpdateMaskType
	Type representing how client reads update mask. More...

Public Member Functions
	UpdateMask ()
	UpdateMask (UpdateMask const &right)
	~UpdateMask ()
void	SetBit (uint32 index)
void	UnsetBit (uint32 index)
bool	GetBit (uint32 index) const
void	AppendToPacket (ByteBuffer *data)
uint32	GetBlockCount () const
uint32	GetCount () const
void	SetCount (uint32 valuesCount)
void	AddBlock ()
void	Clear ()
UpdateMask &	operator= (UpdateMask const &right)
UpdateMask &	operator&= (UpdateMask const &right)
UpdateMask &	operator|= (UpdateMask const &right)
UpdateMask	operator| (UpdateMask const &right)

Private Attributes
uint32	_fieldCount
uint32	_blockCount
uint8 *	_bits

Member Typedef Documentation

typedef uint32 UpdateMask::ClientUpdateMaskType

Type representing how client reads update mask.

Member Enumeration Documentation

enum UpdateMask::UpdateMaskCount

Enumerator
CLIENT_UPDATE_MASK_BITS

 {
 CLIENT_UPDATE_MASK_BITS = sizeof(ClientUpdateMaskType) * 8,
 };

Constructor & Destructor Documentation

UpdateMask::UpdateMask ( )

inline

: _fieldCount(0), _blockCount(0), _bits(NULL) { }

UpdateMask::UpdateMask ( UpdateMask const &  right )

inline

 : _bits(NULL)
 {
 SetCount(right.GetCount());
 memcpy(_bits, right._bits, sizeof(uint8) * _blockCount * 32);
 }

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UpdateMask::~UpdateMask ( )

inline

{ delete[] _bits; }

Member Function Documentation

void UpdateMask::AddBlock ( )

inline

 {
 uint8* curr = _bits;
 _fieldCount += CLIENT_UPDATE_MASK_BITS;
 ++_blockCount;

 _bits = new uint8[_blockCount * CLIENT_UPDATE_MASK_BITS];
 memset(&_bits[(_blockCount - 1) * CLIENT_UPDATE_MASK_BITS], 0, CLIENT_UPDATE_MASK_BITS);
 if (curr)
 {
 memcpy(_bits, curr, sizeof(uint8) * (_blockCount - 1) * CLIENT_UPDATE_MASK_BITS);
 delete[] curr;
 }
 }

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void UpdateMask::AppendToPacket ( ByteBuffer *  data )

inline

 {
 for (uint32 i = 0; i < GetBlockCount(); ++i)
 {
 ClientUpdateMaskType maskPart = 0;
 for (uint32 j = 0; j < CLIENT_UPDATE_MASK_BITS; ++j)
 if (_bits[CLIENT_UPDATE_MASK_BITS * i + j])
 maskPart |= 1 << j;

 *data << maskPart;
 }
 }

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void UpdateMask::Clear ( )

inline

 {
 if (_bits)
 memset(_bits, 0, sizeof(uint8) * _blockCount * CLIENT_UPDATE_MASK_BITS);
 }

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bool UpdateMask::GetBit ( uint32  index ) const

inline

{ return _bits[index] != 0; }

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uint32 UpdateMask::GetBlockCount ( ) const

inline

{ return _blockCount; }

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uint32 UpdateMask::GetCount ( ) const

inline

{ return _fieldCount; }

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UpdateMask& UpdateMask::operator&= ( UpdateMask const &  right )

inline

 {
 ASSERT(right.GetCount() <= GetCount());
 for (uint32 i = 0; i < _fieldCount; ++i)
 _bits[i] &= right._bits[i];

 return *this;
 }

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UpdateMask& UpdateMask::operator= ( UpdateMask const &  right )

inline

 {
 if (this == &right)
 return *this;

 SetCount(right.GetCount());
 memcpy(_bits, right._bits, sizeof(uint8) * _blockCount * CLIENT_UPDATE_MASK_BITS);
 return *this;
 }

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UpdateMask UpdateMask::operator| ( UpdateMask const &  right )

inline

 {
 UpdateMask ret(*this);
 ret |= right;
 return ret;
 }

UpdateMask& UpdateMask::operator|= ( UpdateMask const &  right )

inline

 {
 ASSERT(right.GetCount() <= GetCount());
 for (uint32 i = 0; i < _fieldCount; ++i)
 _bits[i] |= right._bits[i];

 return *this;
 }

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void UpdateMask::SetBit ( uint32  index )

inline

{ _bits[index] = 1; }

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void UpdateMask::SetCount ( uint32  valuesCount )

inline

 {
 delete[] _bits;

 _fieldCount = valuesCount;
 _blockCount = (valuesCount + CLIENT_UPDATE_MASK_BITS - 1) / CLIENT_UPDATE_MASK_BITS;

 if (!valuesCount)
 {
 _bits = nullptr;
 return;
 }

 _bits = new uint8[_blockCount * CLIENT_UPDATE_MASK_BITS];
 memset(_bits, 0, sizeof(uint8) * _blockCount * CLIENT_UPDATE_MASK_BITS);
 }

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void UpdateMask::UnsetBit ( uint32  index )

inline

{ _bits[index] = 0; }

Member Data Documentation

uint8* UpdateMask::_bits

private

uint32 UpdateMask::_blockCount

private

uint32 UpdateMask::_fieldCount

private

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The documentation for this class was generated from the following file:

• src/server/game/Entities/Object/Updates/UpdateMask.h