UpdateMask< Bits > Class Template Reference

#include <UpdateMask.h>

Public Member Functions
	UpdateMask ()
	UpdateMask (std::initializer_list< uint32 > init)
uint32	GetBlocksMask (uint32 index) const
uint32	GetBlock (uint32 index) const
bool	operator[] (uint32 index) const
bool	IsAnySet () const
void	Reset (uint32 index)
void	ResetAll ()
void	Set (uint32 index)
void	SetAll ()
UpdateMask &	operator&= (UpdateMask const &right)
UpdateMask &	operator|= (UpdateMask const &right)

Static Public Attributes
static constexpr uint32	BlockCount = (Bits + 31) / 32
static constexpr uint32	BlocksMaskCount = (BlockCount + 31) / 32

Private Member Functions
void	InitFromBlocks (uint32 const *input, uint32 size)

Private Attributes
uint32	_blocksMask [BlocksMaskCount]
uint32	_blocks [BlockCount]

Detailed Description

template<uint32 Bits>
class UpdateMask< Bits >

Definition at line 31 of file UpdateMask.h.

Constructor & Destructor Documentation

UpdateMask() [1/2]

template<uint32 Bits>

UpdateMask< Bits >::UpdateMask ( )

inline

Definition at line 37 of file UpdateMask.h.

 {
 std::fill(std::begin(_blocksMask), std::end(_blocksMask), 0);
 std::fill(std::begin(_blocks), std::end(_blocks), 0);
 }

UpdateMask() [2/2]

template<uint32 Bits>

UpdateMask< Bits >::UpdateMask ( std::initializer_list< uint32 >  init )

inline

Definition at line 43 of file UpdateMask.h.

 {
 InitFromBlocks(init.begin(), init.size());
 }

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Member Function Documentation

GetBlock()

template<uint32 Bits>

uint32 UpdateMask< Bits >::GetBlock ( uint32  index ) const

inline

Definition at line 53 of file UpdateMask.h.

 {
 return _blocks[index];
 }

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GetBlocksMask()

template<uint32 Bits>

uint32 UpdateMask< Bits >::GetBlocksMask ( uint32  index ) const

inline

Definition at line 48 of file UpdateMask.h.

 {
 return _blocksMask[index];
 }

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InitFromBlocks()

template<uint32 Bits>

void UpdateMask< Bits >::InitFromBlocks ( uint32 const *  input, uint32  size  )

inlineprivate

Definition at line 131 of file UpdateMask.h.

 {
 std::fill(std::begin(_blocksMask), std::end(_blocksMask), 0);
 
 uint32 block = 0;
 for (; block < size; ++block)
 if ((_blocks[block] = input[block]) != 0)
 _blocksMask[UpdateMaskHelpers::GetBlockIndex(block)] |= UpdateMaskHelpers::GetBlockFlag(block);
 
 for (; block < BlockCount; ++block)
 _blocks[block] = 0;
 }

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IsAnySet()

template<uint32 Bits>

bool UpdateMask< Bits >::IsAnySet ( ) const

inline

Definition at line 63 of file UpdateMask.h.

 {
 return std::any_of(std::begin(_blocksMask), std::end(_blocksMask), [](uint32 blockMask)
 {
 return blockMask != 0;
 });
 }

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operator&=()

template<uint32 Bits>

UpdateMask & UpdateMask< Bits >::operator&= ( UpdateMask< Bits > const &  right )

inline

Definition at line 107 of file UpdateMask.h.

 {
 for (uint32 i = 0; i < BlocksMaskCount; ++i)
 _blocksMask[i] &= right._blocksMask[i];
 
 for (uint32 i = 0; i < BlockCount; ++i)
 if (!(_blocks[i] &= right._blocks[i]))
 _blocksMask[UpdateMaskHelpers::GetBlockIndex(i)] &= ~UpdateMaskHelpers::GetBlockFlag(i);
 
 return *this;
 }

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operator[]()

template<uint32 Bits>

bool UpdateMask< Bits >::operator[] ( uint32  index ) const

inline

Definition at line 58 of file UpdateMask.h.

 {
 return (_blocks[index / 32] & (1 << (index % 32))) != 0;
 }

operator|=()

template<uint32 Bits>

UpdateMask & UpdateMask< Bits >::operator|= ( UpdateMask< Bits > const &  right )

inline

Definition at line 119 of file UpdateMask.h.

 {
 for (std::size_t i = 0; i < BlocksMaskCount; ++i)
 _blocksMask[i] |= right._blocksMask[i];
 
 for (std::size_t i = 0; i < BlockCount; ++i)
 _blocks[i] |= right._blocks[i];
 
 return *this;
 }

Reset()

template<uint32 Bits>

void UpdateMask< Bits >::Reset ( uint32  index )

inline

Definition at line 71 of file UpdateMask.h.

 {
 std::size_t blockIndex = UpdateMaskHelpers::GetBlockIndex(index);
 if (!(_blocks[blockIndex] &= ~UpdateMaskHelpers::GetBlockFlag(index)))
 _blocksMask[UpdateMaskHelpers::GetBlockIndex(blockIndex)] &= ~UpdateMaskHelpers::GetBlockFlag(blockIndex);
 }

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ResetAll()

template<uint32 Bits>

void UpdateMask< Bits >::ResetAll ( )

inline

Definition at line 78 of file UpdateMask.h.

 {
 std::fill(std::begin(_blocksMask), std::end(_blocksMask), 0);
 std::fill(std::begin(_blocks), std::end(_blocks), 0);
 }

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Set()

template<uint32 Bits>

void UpdateMask< Bits >::Set ( uint32  index )

inline

Definition at line 84 of file UpdateMask.h.

 {
 std::size_t blockIndex = UpdateMaskHelpers::GetBlockIndex(index);
 _blocks[blockIndex] |= UpdateMaskHelpers::GetBlockFlag(index);
 _blocksMask[UpdateMaskHelpers::GetBlockIndex(blockIndex)] |= UpdateMaskHelpers::GetBlockFlag(blockIndex);
 }

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SetAll()

template<uint32 Bits>

void UpdateMask< Bits >::SetAll ( )

inline

Definition at line 91 of file UpdateMask.h.

 {
 std::fill(std::begin(_blocksMask), std::end(_blocksMask), 0xFFFFFFFF);
 if (BlocksMaskCount % 32)
 {
 constexpr uint32 unused = 32 - (BlocksMaskCount % 32);
 _blocksMask[BlocksMaskCount - 1] &= (0xFFFFFFFF >> unused);
 }
 std::fill(std::begin(_blocks), std::end(_blocks), 0xFFFFFFFF);
 if (BlockCount % 32)
 {
 constexpr uint32 unused = 32 - (BlockCount % 32);
 _blocks[BlockCount - 1] &= (0xFFFFFFFF >> unused);
 }
 }

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Member Data Documentation

_blocks

template<uint32 Bits>

uint32 UpdateMask< Bits >::_blocks[BlockCount]

private

Definition at line 145 of file UpdateMask.h.

_blocksMask

template<uint32 Bits>

uint32 UpdateMask< Bits >::_blocksMask[BlocksMaskCount]

private

Definition at line 144 of file UpdateMask.h.

BlockCount

template<uint32 Bits>

constexpr uint32 UpdateMask< Bits >::BlockCount = (Bits + 31) / 32

staticconstexpr

Definition at line 34 of file UpdateMask.h.

BlocksMaskCount

template<uint32 Bits>

constexpr uint32 UpdateMask< Bits >::BlocksMaskCount = (BlockCount + 31) / 32

staticconstexpr

Definition at line 35 of file UpdateMask.h.

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

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