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 ()=default
	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	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 {0}
uint32	_blockCount {0}
uint8 *	_bits {nullptr}

Detailed Description

Member Typedef Documentation

ClientUpdateMaskType

typedef uint32 UpdateMask::ClientUpdateMaskType

Type representing how client reads update mask.

Member Enumeration Documentation

UpdateMaskCount

enum UpdateMask::UpdateMaskCount

Enumerator
CLIENT_UPDATE_MASK_BITS

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

Constructor & Destructor Documentation

UpdateMask() [1/2]

UpdateMask::UpdateMask ( )

default

UpdateMask() [2/2]

UpdateMask::UpdateMask ( UpdateMask const &  right )

inline

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

References _bits, _blockCount, GetCount(), and SetCount().

~UpdateMask()

UpdateMask::~UpdateMask ( )

inline

{ delete[] _bits; }

References _bits.

Member Function Documentation

AppendToPacket()

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;
        }
    }

References _bits, CLIENT_UPDATE_MASK_BITS, and GetBlockCount().

Referenced by Object::BuildValuesUpdate(), Corpse::BuildValuesUpdate(), GameObject::BuildValuesUpdate(), and Unit::BuildValuesUpdate().

Clear()

void UpdateMask::Clear ( )

inline

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

References _bits, _blockCount, and CLIENT_UPDATE_MASK_BITS.

Referenced by Object::ClearUpdateMask().

GetBit()

bool UpdateMask::GetBit ( uint32  index ) const

inline

{ return _bits[index] != 0; }

References _bits.

Referenced by Object::BuildValuesUpdate(), Corpse::BuildValuesUpdate(), GameObject::BuildValuesUpdate(), and Unit::BuildValuesUpdate().

GetBlockCount()

uint32 UpdateMask::GetBlockCount ( ) const

inline

{ return _blockCount; }

References _blockCount.

Referenced by AppendToPacket(), Object::BuildValuesUpdate(), Corpse::BuildValuesUpdate(), GameObject::BuildValuesUpdate(), and Unit::BuildValuesUpdate().

GetCount()

uint32 UpdateMask::GetCount ( ) const

inline

{ return _fieldCount; }

References _fieldCount.

Referenced by operator&=(), operator=(), operator|=(), and UpdateMask().

operator&=()

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;
    }

References _bits, _fieldCount, ASSERT, and GetCount().

operator=()

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;
    }

References _bits, _blockCount, CLIENT_UPDATE_MASK_BITS, GetCount(), and SetCount().

operator|()

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

inline

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

operator|=()

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;
    }

References _bits, _fieldCount, ASSERT, and GetCount().

SetBit()

void UpdateMask::SetBit ( uint32  index )

inline

{ _bits[index] = 1; }

References _bits.

Referenced by Object::_LoadIntoDataField(), Object::AddGuidValue(), Object::BuildValuesUpdate(), Corpse::BuildValuesUpdate(), GameObject::BuildValuesUpdate(), Unit::BuildValuesUpdate(), Object::ForceValuesUpdateAtIndex(), Object::RemoveByteFlag(), Object::RemoveFlag(), Object::RemoveGuidValue(), Object::SetByteFlag(), Object::SetByteValue(), Object::SetFlag(), Object::SetFloatValue(), Object::SetGuidValue(), Object::SetInt32Value(), Object::SetUInt16Value(), Object::SetUInt32Value(), Object::SetUInt64Value(), and Object::UpdateUInt32Value().

SetCount()

void UpdateMask::SetCount ( uint32  valuesCount )

inline

    {
        delete[] _bits;
 
        _fieldCount = valuesCount;
        _blockCount = (valuesCount + CLIENT_UPDATE_MASK_BITS - 1) / CLIENT_UPDATE_MASK_BITS;
 
        _bits = new uint8[_blockCount * CLIENT_UPDATE_MASK_BITS];
        memset(_bits, 0, sizeof(uint8) * _blockCount * CLIENT_UPDATE_MASK_BITS);
    }

References _bits, _blockCount, _fieldCount, and CLIENT_UPDATE_MASK_BITS.

Referenced by Object::_InitValues(), Object::BuildValuesUpdate(), Corpse::BuildValuesUpdate(), GameObject::BuildValuesUpdate(), Unit::BuildValuesUpdate(), operator=(), and UpdateMask().

UnsetBit()

void UpdateMask::UnsetBit ( uint32  index )

inline

{ _bits[index] = 0; }

References _bits.

Referenced by Unit::SetLevel().

Member Data Documentation

_bits

uint8* UpdateMask::_bits {nullptr}

private

Referenced by AppendToPacket(), Clear(), GetBit(), operator&=(), operator=(), operator|=(), SetBit(), SetCount(), UnsetBit(), UpdateMask(), and ~UpdateMask().

_blockCount

uint32 UpdateMask::_blockCount {0}

private

Referenced by Clear(), GetBlockCount(), operator=(), SetCount(), and UpdateMask().

_fieldCount

uint32 UpdateMask::_fieldCount {0}

private

Referenced by GetCount(), operator&=(), operator|=(), and SetCount().