96 lines
2.7 KiB
C++
96 lines
2.7 KiB
C++
|
//========= Copyright Valve Corporation, All rights reserved. ============//
|
||
|
|
//
|
||
|
|
// Purpose:
|
||
|
|
//
|
||
|
|
//=============================================================================
|
||
|
|
#include "movieobjects/dmetimeframe.h"
|
||
|
|
#include "tier0/dbg.h"
|
||
|
|
#include "datamodel/dmelementfactoryhelper.h"
|
||
|
|
|
||
|
|
// memdbgon must be the last include file in a .cpp file!!!
|
||
|
|
#include "tier0/memdbgon.h"
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Class factory
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
IMPLEMENT_ELEMENT_FACTORY( DmeTimeFrame, CDmeTimeFrame );
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Constructor, destructor
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
void CDmeTimeFrame::OnConstruction()
|
||
|
|
{
|
||
|
|
m_Start .InitAndSet( this, "startTime", 0, FATTRIB_HAS_CALLBACK );
|
||
|
|
m_Duration.InitAndSet( this, "durationTime", 0, FATTRIB_HAS_CALLBACK );
|
||
|
|
m_Offset .InitAndSet( this, "offsetTime", 0 );
|
||
|
|
m_Scale .InitAndSet( this, "scale", 1.0f );
|
||
|
|
}
|
||
|
|
|
||
|
|
void CDmeTimeFrame::OnDestruction()
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void CDmeTimeFrame::OnAttributeChanged( CDmAttribute *pAttribute )
|
||
|
|
{
|
||
|
|
BaseClass::OnAttributeChanged( pAttribute );
|
||
|
|
|
||
|
|
// notify parent clip that the time has changed
|
||
|
|
if ( pAttribute == m_Start.GetAttribute() || pAttribute == m_Duration.GetAttribute() )
|
||
|
|
{
|
||
|
|
InvokeOnAttributeChangedOnReferrers( GetHandle(), pAttribute );
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void CDmeTimeFrame::SetEndTime( DmeTime_t endTime, bool bChangeDuration )
|
||
|
|
{
|
||
|
|
if ( bChangeDuration )
|
||
|
|
{
|
||
|
|
m_Duration = endTime.GetTenthsOfMS() - m_Start;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
m_Start = endTime.GetTenthsOfMS() - m_Duration;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void CDmeTimeFrame::SetTimeScale( float flScale, DmeTime_t scaleCenter, bool bChangeDuration )
|
||
|
|
{
|
||
|
|
#ifdef _DEBUG
|
||
|
|
DmeTime_t preCenterTime = ToChildMediaTime( scaleCenter, false );
|
||
|
|
#endif
|
||
|
|
|
||
|
|
float ratio = m_Scale / flScale;
|
||
|
|
int t = scaleCenter.GetTenthsOfMS() - m_Start;
|
||
|
|
|
||
|
|
if ( bChangeDuration )
|
||
|
|
{
|
||
|
|
int newDuration = int( m_Duration * ratio );
|
||
|
|
|
||
|
|
if ( scaleCenter.GetTenthsOfMS() != m_Start )
|
||
|
|
{
|
||
|
|
int newStart = int( ( m_Start - scaleCenter.GetTenthsOfMS() ) * ratio + scaleCenter.GetTenthsOfMS() );
|
||
|
|
SetStartTime( DmeTime_t( newStart ) );
|
||
|
|
}
|
||
|
|
|
||
|
|
int newStart = m_Start;
|
||
|
|
int newOffset = int( ( t + m_Offset ) * ratio + newStart - scaleCenter.GetTenthsOfMS() );
|
||
|
|
SetTimeOffset( DmeTime_t( newOffset ) );
|
||
|
|
SetDuration( DmeTime_t( newDuration ) );
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
int newOffset = int( ( t + m_Offset ) * ratio - t );
|
||
|
|
SetTimeOffset( DmeTime_t( newOffset ) );
|
||
|
|
}
|
||
|
|
|
||
|
|
SetTimeScale( flScale );
|
||
|
|
|
||
|
|
#ifdef _DEBUG
|
||
|
|
DmeTime_t postCenterTime = ToChildMediaTime( scaleCenter, false );
|
||
|
|
Assert( abs( preCenterTime - postCenterTime ) <= DMETIME_MINDELTA );
|
||
|
|
#endif
|
||
|
|
}
|