#include "UpdateTime.h"

Inheritance diagram for UpdateTime:

Public Member Functions
uint32	GetAverageUpdateTime () const

uint32	GetTimeWeightedAverageUpdateTime () const

uint32	GetMaxUpdateTime () const

uint32	GetMaxUpdateTimeOfCurrentTable () const

uint32	GetLastUpdateTime () const

void	UpdateWithDiff (uint32 diff)

void	RecordUpdateTimeReset ()

Protected Member Functions
	UpdateTime ()

Private Types
using	DiffTableArray = std::array< uint32, AVG_DIFF_COUNT >

Private Attributes
DiffTableArray	_updateTimeDataTable

uint32	_averageUpdateTime

uint32	_totalUpdateTime

uint32	_updateTimeTableIndex

uint32	_maxUpdateTime

uint32	_maxUpdateTimeOfLastTable

uint32	_maxUpdateTimeOfCurrentTable

Milliseconds	_recordedTime

Detailed Description

Member Typedef Documentation

◆ DiffTableArray

using UpdateTime::DiffTableArray = std::array<uint32, AVG_DIFF_COUNT>

private

Constructor & Destructor Documentation

◆ UpdateTime()

UpdateTime::UpdateTime ( )

protected

{
    _averageUpdateTime = 0;
    _totalUpdateTime = 0;
    _updateTimeTableIndex = 0;
    _maxUpdateTime = 0;
    _maxUpdateTimeOfLastTable = 0;
    _maxUpdateTimeOfCurrentTable = 0;
 
    _updateTimeDataTable = { };
}

References _averageUpdateTime, _maxUpdateTime, _maxUpdateTimeOfCurrentTable, _maxUpdateTimeOfLastTable, _totalUpdateTime, _updateTimeDataTable, and _updateTimeTableIndex.

Member Function Documentation

◆ GetAverageUpdateTime()

uint32 UpdateTime::GetAverageUpdateTime ( ) const

{
    return _averageUpdateTime;
}

References _averageUpdateTime.

Referenced by server_commandscript::HandleServerInfoCommand(), and WorldUpdateTime::RecordUpdateTime().

◆ GetLastUpdateTime()

uint32 UpdateTime::GetLastUpdateTime ( ) const

{
    return _updateTimeDataTable[_updateTimeTableIndex != 0 ? _updateTimeTableIndex - 1 : _updateTimeDataTable.size() - 1];
}

References _updateTimeDataTable, and _updateTimeTableIndex.

Referenced by server_commandscript::HandleServerInfoCommand().

◆ GetMaxUpdateTime()

uint32 UpdateTime::GetMaxUpdateTime ( ) const

{
    return _maxUpdateTime;
}

References _maxUpdateTime.

◆ GetMaxUpdateTimeOfCurrentTable()

uint32 UpdateTime::GetMaxUpdateTimeOfCurrentTable ( ) const

{
    return std::max(_maxUpdateTimeOfCurrentTable, _maxUpdateTimeOfLastTable);
}

References _maxUpdateTimeOfCurrentTable, and _maxUpdateTimeOfLastTable.

◆ GetTimeWeightedAverageUpdateTime()

uint32 UpdateTime::GetTimeWeightedAverageUpdateTime ( ) const

{
    uint32 sum = 0, weightsum = 0;
 
    for (uint32 diff : _updateTimeDataTable)
    {
        sum += diff * diff;
        weightsum += diff;
    }
 
    if (weightsum == 0)
        return 0;
 
    return sum / weightsum;
}

References _updateTimeDataTable.

◆ RecordUpdateTimeReset()

void UpdateTime::RecordUpdateTimeReset ( )

{
    _recordedTime = GetTimeMS();
}

References _recordedTime, and GetTimeMS().

◆ UpdateWithDiff()

void UpdateTime::UpdateWithDiff ( uint32 diff )

{
    _totalUpdateTime = _totalUpdateTime - _updateTimeDataTable[_updateTimeTableIndex] + diff;
    _updateTimeDataTable[_updateTimeTableIndex] = diff;
 
    if (diff > _maxUpdateTime)
        _maxUpdateTime = diff;
 
    if (diff > _maxUpdateTimeOfCurrentTable)
        _maxUpdateTimeOfCurrentTable = diff;
 
    if (++_updateTimeTableIndex >= _updateTimeDataTable.size())
    {
        _updateTimeTableIndex = 0;
        _maxUpdateTimeOfLastTable = _maxUpdateTimeOfCurrentTable;
        _maxUpdateTimeOfCurrentTable = 0;
    }
 
    if (_updateTimeDataTable[_updateTimeDataTable.size() - 1])
        _averageUpdateTime = _totalUpdateTime / _updateTimeDataTable.size();
    else if (_updateTimeTableIndex)
        _averageUpdateTime = _totalUpdateTime / _updateTimeTableIndex;
}