THPTimer_Win.cpp

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#include "ToshiPCH.h"
#include "THPTimer_Win.h"
 
#include <windows.h>
 
//-----------------------------------------------------------------------------
// Enables memory debugging.
// Note: Should be the last include!
//-----------------------------------------------------------------------------
#include "Core/TMemoryDebugOn.h"
 
TOSHI_NAMESPACE_START
 
// $Barnyard: FUNCTION 006bdcb0
THPTimer::THPTimer()
{
    Reset();
}
 
THPTimer::~THPTimer()
{
    Reset();
}
 
TUINT32 THPTimer::GetRaw32()
{
    LARGE_INTEGER raw32;
    QueryPerformanceCounter( &raw32 );
    return static_cast<TUINT32>( raw32.QuadPart );
}
 
int64_t THPTimer::GetRaw64()
{
    LARGE_INTEGER raw64;
    QueryPerformanceCounter( &raw64 );
    return raw64.QuadPart;
}
 
// $Barnyard: FUNCTION 006bdc10
void THPTimer::Reset()
{
    QueryPerformanceCounter( (LARGE_INTEGER*)&m_iCurrentTime );
    QueryPerformanceFrequency( (LARGE_INTEGER*)&m_iFrequency );
    m_iOldTime = m_iCurrentTime;
    m_fDelta   = 0;
}
 
// $Barnyard: FUNCTION 006bdc50
void THPTimer::Update()
{
    m_iOldTime = m_iCurrentTime;
    QueryPerformanceCounter( (LARGE_INTEGER*)&m_iCurrentTime );
 
    double ratio      = 1.0 / m_iFrequency;
    m_fDelta          = TFLOAT( ( m_iCurrentTime - m_iOldTime ) * ratio );
    m_fCurrentSeconds = TFLOAT( m_iCurrentTime * ratio );
}
 
TOSHI_NAMESPACE_END