You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
92 lines
2.5 KiB
92 lines
2.5 KiB
//====== Copyright © 1996-2004, 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, "start", DMETIME_ZERO, FATTRIB_HAS_CALLBACK );
|
|
m_Duration.InitAndSet( this, "duration", DMETIME_ZERO, FATTRIB_HAS_CALLBACK );
|
|
m_Offset .InitAndSet( this, "offset", DMETIME_ZERO );
|
|
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 - m_Start;
|
|
}
|
|
else
|
|
{
|
|
m_Start = endTime - 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;
|
|
DmeTime_t t = scaleCenter - m_Start;
|
|
|
|
if ( bChangeDuration )
|
|
{
|
|
DmeTime_t newDuration = m_Duration.Get() * ratio;
|
|
|
|
if ( scaleCenter != m_Start )
|
|
{
|
|
DmeTime_t newStart = ( m_Start.Get() - scaleCenter ) * ratio + scaleCenter;
|
|
SetStartTime( newStart );
|
|
}
|
|
|
|
SetTimeOffset( ( t + m_Offset.Get() ) * ratio + m_Start.Get() - scaleCenter );
|
|
SetDuration( newDuration );
|
|
}
|
|
else
|
|
{
|
|
SetTimeOffset( ( t + m_Offset.Get() ) * ratio - t );
|
|
}
|
|
|
|
SetTimeScale( flScale );
|
|
|
|
#ifdef _DEBUG
|
|
DmeTime_t postCenterTime = ToChildMediaTime( scaleCenter, false );
|
|
Assert( abs( preCenterTime - postCenterTime ) <= DMETIME_MINDELTA );
|
|
#endif
|
|
}
|