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dmeclip.cpp
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//====== Copyright © 1996-2004, Valve Corporation, All rights reserved. =======
//
// Purpose:
//
//=============================================================================
#include "movieobjects/dmeclip.h"
#include "tier0/dbg.h"
#include "datamodel/dmelementfactoryhelper.h"
#include "datamodel/dmehandle.h"
#include "movieobjects/dmetimeframe.h"
#include "movieobjects/dmebookmark.h"
#include "movieobjects/dmesound.h"
#include "movieobjects/dmechannel.h"
#include "movieobjects/dmecamera.h"
#include "movieobjects/dmedag.h"
#include "movieobjects/dmeinput.h"
#include "movieobjects/dmeoperator.h"
#include "movieobjects/dmematerial.h"
#include "movieobjects/dmetrack.h"
#include "movieobjects/dmetrackgroup.h"
#include "movieobjects/dmematerialoverlayfxclip.h"
#include "movieobjects/dmeanimationset.h"
#include "movieobjects_interfaces.h"
#include "materialsystem/imaterialsystem.h"
#include "materialsystem/imaterial.h"
#include "materialsystem/imesh.h"
#include "tier3/tier3.h"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.h"
//-----------------------------------------------------------------------------
// String to clip type + back
//-----------------------------------------------------------------------------
static const char *s_pClipTypeNames[DMECLIP_TYPE_COUNT] =
{
"Channel",
"Audio",
"Effects",
"Film",
};
DmeClipType_t ClipTypeFromString( const char *pName )
{
for ( DmeClipType_t i = DMECLIP_FIRST; i <= DMECLIP_LAST; ++i )
{
if ( !Q_stricmp( pName, s_pClipTypeNames[i] ) )
return i;
}
return DMECLIP_UNKNOWN;
}
const char *ClipTypeToString( DmeClipType_t type )
{
if ( type >= DMECLIP_FIRST && type <= DMECLIP_LAST )
return s_pClipTypeNames[ type ];
return "Unknown";
}
//-----------------------------------------------------------------------------
// CDmeClip - common base class for filmclips, soundclips, and channelclips
//-----------------------------------------------------------------------------
IMPLEMENT_ELEMENT_FACTORY( DmeClip, CDmeClip );
void CDmeClip::OnConstruction()
{
m_TimeFrame.InitAndCreate( this, "timeFrame" );
m_ClipColor.InitAndSet( this, "color", Color( 0, 0, 0, 0 ) );
m_ClipText.Init( this, "text" );
m_bMute.Init( this, "mute" );
m_TrackGroups.Init( this, "trackGroups", FATTRIB_MUSTCOPY );
m_flDisplayScale.InitAndSet( this, "displayScale", 1.0f );
}
void CDmeClip::OnDestruction()
{
}
//-----------------------------------------------------------------------------
// Clip color
//-----------------------------------------------------------------------------
void CDmeClip::SetClipColor( const Color& clr )
{
m_ClipColor.Set( clr );
}
Color CDmeClip::GetClipColor() const
{
return m_ClipColor.Get();
}
//-----------------------------------------------------------------------------
// Clip text
//-----------------------------------------------------------------------------
void CDmeClip::SetClipText( const char *pText )
{
m_ClipText = pText;
}
const char* CDmeClip::GetClipText() const
{
return m_ClipText;
}
//-----------------------------------------------------------------------------
// Returns the time frame
//-----------------------------------------------------------------------------
CDmeTimeFrame *CDmeClip::GetTimeFrame() const
{
return m_TimeFrame.GetElement();
}
DmeTime_t CDmeClip::ToChildMediaTime( DmeTime_t t, bool bClamp ) const
{
CDmeTimeFrame *tf = m_TimeFrame.GetElement();
return tf ? tf->ToChildMediaTime( t, bClamp ) : DmeTime_t( 0 );
}
DmeTime_t CDmeClip::FromChildMediaTime( DmeTime_t t, bool bClamp ) const
{
CDmeTimeFrame *tf = m_TimeFrame.GetElement();
return tf ? tf->FromChildMediaTime( t, bClamp ) : DmeTime_t( 0 );
}
DmeTime_t CDmeClip::ToChildMediaDuration( DmeTime_t dt ) const
{
CDmeTimeFrame *tf = m_TimeFrame.GetElement();
return tf ? tf->ToChildMediaDuration( dt ) : DmeTime_t( 0 );
}
DmeTime_t CDmeClip::FromChildMediaDuration( DmeTime_t dt ) const
{
CDmeTimeFrame *tf = m_TimeFrame.GetElement();
return tf ? tf->FromChildMediaDuration( dt ) : DmeTime_t( 0 );
}
DmeTime_t CDmeClip::GetTimeOffset() const
{
CDmeTimeFrame *tf = m_TimeFrame.GetElement();
return tf ? tf->GetTimeOffset() : DmeTime_t( 0 );
}
float CDmeClip::GetTimeScale() const
{
CDmeTimeFrame *tf = m_TimeFrame.GetElement();
return tf ? tf->GetTimeScale() : 0.0f;
}
DmeTime_t CDmeClip::GetStartTime() const
{
CDmeTimeFrame *tf = m_TimeFrame.GetElement();
return tf ? tf->GetStartTime() : DmeTime_t( 0 );
}
DmeTime_t CDmeClip::GetEndTime() const
{
CDmeTimeFrame *tf = m_TimeFrame.GetElement();
return tf ? tf->GetStartTime() + tf->GetDuration() : DmeTime_t( 0 );
}
DmeTime_t CDmeClip::GetDuration() const
{
CDmeTimeFrame *tf = m_TimeFrame.GetElement();
return tf ? tf->GetDuration() : DmeTime_t( 0 );
}
DmeTime_t CDmeClip::GetStartInChildMediaTime() const
{
CDmeTimeFrame *tf = m_TimeFrame.GetElement();
return tf ? tf->GetStartInChildMediaTime() : DmeTime_t( 0 );
}
DmeTime_t CDmeClip::GetEndInChildMediaTime() const
{
CDmeTimeFrame *tf = m_TimeFrame.GetElement();
return tf ? tf->GetEndInChildMediaTime() : DmeTime_t( 0 );
}
void CDmeClip::SetTimeOffset( DmeTime_t t )
{
CDmeTimeFrame *tf = m_TimeFrame.GetElement();
if ( tf )
{
tf->SetTimeOffset( t );
}
}
void CDmeClip::SetTimeScale( float s )
{
CDmeTimeFrame *tf = m_TimeFrame.GetElement();
if ( tf )
{
tf->SetTimeScale( s );
}
}
void CDmeClip::SetStartTime( DmeTime_t t )
{
CDmeTimeFrame *tf = m_TimeFrame.GetElement();
if ( tf )
{
tf->SetStartTime( t );
}
}
void CDmeClip::SetDuration( DmeTime_t t )
{
CDmeTimeFrame *tf = m_TimeFrame.GetElement();
if ( tf )
{
tf->SetDuration( t );
}
}
void CDmeClip::BakeTimeScale( float scale /*= 1.0f*/ )
{
CDmeTimeFrame *tf = m_TimeFrame.GetElement();
Assert( tf );
if ( !tf )
return;
float flNewScale = tf->GetTimeScale();
tf->SetTimeScale( 1.0f );
if ( scale != 1.0f )
{
tf->SetStartTime ( tf->GetStartTime () / scale );
tf->SetDuration ( tf->GetDuration () / scale );
tf->SetTimeOffset( tf->GetTimeOffset() / scale );
flNewScale *= scale;
}
int nTrackGroups = m_TrackGroups.Count();
for ( int gi = 0; gi < nTrackGroups; ++gi )
{
CDmeTrackGroup *pTrackGroup = m_TrackGroups[ gi ];
if ( !pTrackGroup )
continue;
int nTracks = pTrackGroup->GetTrackCount();
for ( int ti = 0; ti < nTracks; ++ti )
{
CDmeTrack *pTrack = pTrackGroup->GetTrack( ti );
if ( !pTrack )
continue;
int nClips = pTrack->GetClipCount();
for ( int ci = 0; ci < nClips; ++ci )
{
CDmeClip *pClip = pTrack->GetClip( ci );
if ( !pClip )
continue;
pClip->BakeTimeScale( flNewScale );
}
}
}
}
//-----------------------------------------------------------------------------
// Track iteration
//-----------------------------------------------------------------------------
const CUtlVector< DmElementHandle_t > &CDmeClip::GetTrackGroups( ) const
{
return m_TrackGroups.Get();
}
int CDmeClip::GetTrackGroupCount( ) const
{
// Make sure no invalid clip types have snuck in
return m_TrackGroups.Count();
}
CDmeTrackGroup *CDmeClip::GetTrackGroup( int nIndex ) const
{
if ( ( nIndex >= 0 ) && ( nIndex < m_TrackGroups.Count() ) )
return m_TrackGroups[ nIndex ];
return NULL;
}
//-----------------------------------------------------------------------------
// Is a track group valid to add?
//-----------------------------------------------------------------------------
bool CDmeClip::IsTrackGroupValid( CDmeTrackGroup *pTrackGroup )
{
// FIXME: If track groups have allowed types, we can check for validity
for ( DmeClipType_t i = DMECLIP_FIRST; i <= DMECLIP_LAST; ++i )
{
if ( !IsSubClipTypeAllowed( i ) && pTrackGroup->IsSubClipTypeAllowed( i ) )
return false;
}
return true;
}
//-----------------------------------------------------------------------------
// Track group addition/removal
//-----------------------------------------------------------------------------
void CDmeClip::AddTrackGroup( CDmeTrackGroup *pTrackGroup )
{
if ( !IsTrackGroupValid( pTrackGroup ) )
return;
// FIXME: Should check if track with same name already exists???
if ( GetTrackGroupIndex( pTrackGroup ) < 0 )
{
m_TrackGroups.AddToTail( pTrackGroup );
}
}
void CDmeClip::AddTrackGroupBefore( CDmeTrackGroup *pTrackGroup, CDmeTrackGroup *pBefore )
{
if ( !IsTrackGroupValid( pTrackGroup ) )
return;
// FIXME: Should check if track with same name already exists???
if ( GetTrackGroupIndex( pTrackGroup ) < 0 )
{
int nBeforeIndex = pBefore ? GetTrackGroupIndex( pBefore ) : GetTrackGroupCount();
if ( nBeforeIndex >= 0 )
{
m_TrackGroups.InsertBefore( nBeforeIndex, pTrackGroup );
}
}
}
CDmeTrackGroup *CDmeClip::AddTrackGroup( const char *pTrackGroupName )
{
CDmeTrackGroup *pTrackGroup = CreateElement< CDmeTrackGroup >( pTrackGroupName, GetFileId() );
pTrackGroup->SetMinimized( false );
m_TrackGroups.AddToTail( pTrackGroup );
return pTrackGroup;
}
void CDmeClip::RemoveTrackGroup( int nIndex )
{
Assert( nIndex >= 0 && nIndex < m_TrackGroups.Count() );
m_TrackGroups.Remove( nIndex );
}
void CDmeClip::RemoveTrackGroup( CDmeTrackGroup *pTrackGroup )
{
int i = GetTrackGroupIndex( pTrackGroup );
if ( i < 0 )
return;
m_TrackGroups.Remove( i );
}
void CDmeClip::RemoveTrackGroup( const char *pTrackGroupName )
{
if ( !pTrackGroupName )
{
pTrackGroupName = DMETRACKGROUP_DEFAULT_NAME;
}
int c = m_TrackGroups.Count();
for ( int i = c; --i >= 0; )
{
if ( !Q_strcmp( m_TrackGroups[i]->GetName(), pTrackGroupName ) )
{
m_TrackGroups.Remove( i );
return;
}
}
}
//-----------------------------------------------------------------------------
// Swap track groups
//-----------------------------------------------------------------------------
void CDmeClip::SwapOrder( CDmeTrackGroup *pTrackGroup1, CDmeTrackGroup *pTrackGroup2 )
{
if ( pTrackGroup1 == pTrackGroup2 )
return;
if ( pTrackGroup1->IsFilmTrackGroup() || pTrackGroup2->IsFilmTrackGroup() )
return;
int nIndex1 = -1, nIndex2 = -1;
int c = m_TrackGroups.Count();
for ( int i = c; --i >= 0; )
{
if ( m_TrackGroups[i] == pTrackGroup1 )
{
nIndex1 = i;
}
if ( m_TrackGroups[i] == pTrackGroup2 )
{
nIndex2 = i;
}
}
if ( ( nIndex1 < 0 ) || ( nIndex2 < 0 ) )
return;
m_TrackGroups.Swap( nIndex1, nIndex2 );
}
//-----------------------------------------------------------------------------
// Track group finding
//-----------------------------------------------------------------------------
CDmeTrackGroup *CDmeClip::FindTrackGroup( const char *pTrackGroupName ) const
{
if ( !pTrackGroupName )
{
pTrackGroupName = DMETRACKGROUP_DEFAULT_NAME;
}
int c = m_TrackGroups.Count();
for ( int i = 0 ; i < c; ++i )
{
CDmeTrackGroup *pTrackGroup = m_TrackGroups[i];
if ( !pTrackGroup )
continue;
if ( !Q_strcmp( pTrackGroup->GetName(), pTrackGroupName ) )
return pTrackGroup;
}
return NULL;
}
int CDmeClip::GetTrackGroupIndex( CDmeTrackGroup *pTrackGroup ) const
{
int nTrackGroups = m_TrackGroups.Count();
for ( int i = 0 ; i < nTrackGroups; ++i )
{
if ( pTrackGroup == m_TrackGroups[i] )
return i;
}
return -1;
}
//-----------------------------------------------------------------------------
// Find or create a track group
//-----------------------------------------------------------------------------
CDmeTrackGroup *CDmeClip::FindOrAddTrackGroup( const char *pTrackGroupName )
{
CDmeTrackGroup *pTrackGroup = FindTrackGroup( pTrackGroupName );
if ( !pTrackGroup )
{
pTrackGroup = AddTrackGroup( pTrackGroupName );
}
return pTrackGroup;
}
//-----------------------------------------------------------------------------
// Finding clips in track groups
//-----------------------------------------------------------------------------
CDmeTrack *CDmeClip::FindTrackForClip( CDmeClip *pClip, CDmeTrackGroup **ppTrackGroup /*= NULL*/ ) const
{
// DmeClipType_t type = pClip->GetClipType();
int c = m_TrackGroups.Count();
for ( int i = 0 ; i < c; ++i )
{
// FIXME: If trackgroups have valid types, can early out here
CDmeTrack *pTrack = m_TrackGroups[i]->FindTrackForClip( pClip );
if ( pTrack )
{
if ( ppTrackGroup )
{
*ppTrackGroup = m_TrackGroups[i];
}
return pTrack;
}
}
return NULL;
}
bool CDmeClip::FindMultiTrackGroupForClip( CDmeClip *pClip, int *pTrackGroupIndex, int *pTrackIndex, int *pClipIndex ) const
{
int nTrackGroups = m_TrackGroups.Count();
for ( int gi = 0 ; gi < nTrackGroups; ++gi )
{
CDmeTrackGroup *pTrackGroup = m_TrackGroups[ gi ];
if ( !pTrackGroup )
continue;
if ( !pTrackGroup->FindTrackForClip( pClip, pTrackIndex, pClipIndex ) )
continue;
if ( pTrackGroupIndex )
{
*pTrackGroupIndex = gi;
}
return true;
}
return false;
}
//-----------------------------------------------------------------------------
// Finding clips in tracks by time
//-----------------------------------------------------------------------------
void CDmeClip::FindClipsAtTime( DmeClipType_t clipType, DmeTime_t time, DmeClipSkipFlag_t flags, CUtlVector< CDmeClip * >& clips ) const
{
if ( clipType == DMECLIP_FILM )
return;
int gc = GetTrackGroupCount();
for ( int i = 0; i < gc; ++i )
{
CDmeTrackGroup *pTrackGroup = GetTrackGroup( i );
if ( !pTrackGroup )
continue;
pTrackGroup->FindClipsAtTime( clipType, time, flags, clips );
}
}
void CDmeClip::FindClipsIntersectingTime( DmeClipType_t clipType, DmeTime_t startTime, DmeTime_t endTime, DmeClipSkipFlag_t flags, CUtlVector< CDmeClip * >& clips ) const
{
if ( clipType == DMECLIP_FILM )
return;
int gc = GetTrackGroupCount();
for ( int i = 0; i < gc; ++i )
{
CDmeTrackGroup *pTrackGroup = GetTrackGroup( i );
if ( !pTrackGroup )
continue;
pTrackGroup->FindClipsIntersectingTime( clipType, startTime, endTime, flags, clips );
}
}
void CDmeClip::FindClipsWithinTime( DmeClipType_t clipType, DmeTime_t startTime, DmeTime_t endTime, DmeClipSkipFlag_t flags, CUtlVector< CDmeClip * >& clips ) const
{
if ( clipType == DMECLIP_FILM )
return;
int gc = GetTrackGroupCount();
for ( int i = 0; i < gc; ++i )
{
CDmeTrackGroup *pTrackGroup = GetTrackGroup( i );
if ( !pTrackGroup )
continue;
pTrackGroup->FindClipsWithinTime( clipType, startTime, endTime, flags, clips );
}
}
//-----------------------------------------------------------------------------
// Build a list of all referring clips
//-----------------------------------------------------------------------------
static int BuildReferringClipList( const CDmeClip *pClip, CDmeClip** ppParents, int nMaxCount )
{
int nCount = 0;
DmAttributeReferenceIterator_t it, it2, it3;
for ( it = g_pDataModel->FirstAttributeReferencingElement( pClip->GetHandle() );
it != DMATTRIBUTE_REFERENCE_ITERATOR_INVALID;
it = g_pDataModel->NextAttributeReferencingElement( it ) )
{
CDmAttribute *pAttribute = g_pDataModel->GetAttribute( it );
const char *pName = pAttribute->GetName();
CDmElement *pElement = pAttribute->GetOwner();
CDmeTrack *pTrack = CastElement< CDmeTrack >( pElement );
if ( !pTrack )
continue;
for ( it2 = g_pDataModel->FirstAttributeReferencingElement( pTrack->GetHandle() );
it2 != DMATTRIBUTE_REFERENCE_ITERATOR_INVALID;
it2 = g_pDataModel->NextAttributeReferencingElement( it2 ) )
{
pAttribute = g_pDataModel->GetAttribute( it2 );
pName = pAttribute->GetName();
pElement = pAttribute->GetOwner();
CDmeTrackGroup *pTrackGroup = CastElement< CDmeTrackGroup >( pElement );
if ( !pTrackGroup )
continue;
for ( it3 = g_pDataModel->FirstAttributeReferencingElement( pTrackGroup->GetHandle() );
it3 != DMATTRIBUTE_REFERENCE_ITERATOR_INVALID;
it3 = g_pDataModel->NextAttributeReferencingElement( it3 ) )
{
pAttribute = g_pDataModel->GetAttribute( it3 );
pName = pAttribute->GetName();
pElement = pAttribute->GetOwner();
CDmeClip *pParent = CastElement< CDmeClip >( pElement );
if ( !pParent )
continue;
Assert( nCount < nMaxCount );
if ( nCount >= nMaxCount )
return nCount;
ppParents[nCount++] = pParent;
}
}
}
return nCount;
}
bool CDmeClip::BuildClipStack( DmeClipStack_t* pStack, const CDmeClip *pMovie, CDmeClip *pShot /*=NULL*/ )
{
// Walk through each shot in the movie and look for the subClip, if don't find it recurse into each shot
return pStack->BuildClipStack( pMovie, pShot, this );
}
//-----------------------------------------------------------------------------
// Clip stack
//-----------------------------------------------------------------------------
bool DmeClipStack_t::BuildClipStack_R( const CDmeClip *pMovie, const CDmeClip *pShot, const CDmeClip *pCurrent )
{
// Add this clip to the stack
int nIndex = AddClipToHead( pCurrent );
// Is this clip the shot? We don't need to look for it any more.
if ( pCurrent == pShot )
{
pShot = NULL;
}
// Is this clip the movie? We succeeded if we already found the shot!
if ( pCurrent == pMovie )
{
if ( !pShot )
return true;
}
else
{
// NOTE: This algorithm assumes a clip can never appear twice under another clip
// at a single level of hierarchy.
CDmeClip* ppParents[1024];
int nCount = BuildReferringClipList( pCurrent, ppParents, 1024 );
for ( int i = 0; i < nCount; ++i )
{
// Can we find a path to the root through the shot? We succeeded!
if ( BuildClipStack_R( pMovie, pShot, ppParents[i] ) )
return true;
}
}
// This clip didn't work out for us. Remove it.
RemoveClip( nIndex );
return false;
}
bool DmeClipStack_t::BuildClipStack( const CDmeClip *pMovie, const CDmeClip *pShot, const CDmeClip *pClip )
{
// Walk through each shot in the movie and look for the subClip, if don't find it recurse into each shot
RemoveAll();
return BuildClipStack_R( pMovie, pShot, pClip );
}
int DmeClipStack_t::FindClip( const CDmeClip *pClip ) const
{
if ( !pClip )
return m_clips.InvalidIndex();
return m_clips.Find( pClip->GetHandle() );
}
int DmeClipStack_t::AddClipToHead( const CDmeClip *pClip )
{
if ( !pClip )
return m_clips.InvalidIndex();
m_bOptimized = false;
return m_clips.AddToHead( pClip->GetHandle() );
}
int DmeClipStack_t::AddClipToTail( const CDmeClip *pClip )
{
if ( !pClip )
return m_clips.InvalidIndex();
m_bOptimized = false;
return m_clips.AddToTail( pClip->GetHandle() );
}
//#define TEST_CLIP_STACK_OPTIMIZER
void DmeClipStack_t::Optimize() const
{
m_bOptimized = true;
int nClips = m_clips.Count();
if ( nClips == 0 )
{
m_tStart = m_tOffset = DMETIME_MINTIME + DMETIME_MAXTIME / 2; // HACK
m_tDuration = DMETIME_MAXTIME;
m_flScale = 1.0f;
return;
}
// 0 = global, n-1 = local
#ifdef TEST_CLIP_STACK_OPTIMIZER
DmeTime_t tOptimizedClamped0 = DMETIME_ZERO;
DmeTime_t tTimeFrameClamped0 = DMETIME_ZERO;
DmeTime_t tOptimizedUnclamped0 = DMETIME_ZERO;
DmeTime_t tTimeFrameUnclamped0 = DMETIME_ZERO;
DmeTime_t tOptimizedClamped1 = DmeTime_t( 10000 );
DmeTime_t tTimeFrameClamped1 = DmeTime_t( 10000 );
DmeTime_t tOptimizedUnclamped1 = DmeTime_t( 10000 );
DmeTime_t tTimeFrameUnclamped1 = DmeTime_t( 10000 );
#endif
const CDmeClip *pClip = m_clips[ nClips - 1 ];
m_tStart = pClip->GetStartTime();
m_tOffset = pClip->GetTimeOffset();
m_tDuration = pClip->GetDuration();
m_flScale = pClip->GetTimeScale();
#ifdef TEST_CLIP_STACK_OPTIMIZER
tOptimizedClamped0 = FromChildMediaTime( DMETIME_ZERO, true );
tTimeFrameClamped0 = pClip->FromChildMediaTime( tTimeFrameClamped0, true );
Assert( tOptimizedClamped0 == tTimeFrameClamped0 );
tOptimizedUnclamped0 = FromChildMediaTime( DMETIME_ZERO, false );
tTimeFrameUnclamped0 = pClip->FromChildMediaTime( tTimeFrameUnclamped0, false );
Assert( tOptimizedUnclamped0 == tTimeFrameUnclamped0 );
tOptimizedClamped1 = FromChildMediaTime( DmeTime_t( 10000 ), true );
tTimeFrameClamped1 = pClip->FromChildMediaTime( tTimeFrameClamped1, true );
Assert( tOptimizedClamped1 == tTimeFrameClamped1 );
tOptimizedUnclamped1 = FromChildMediaTime( DmeTime_t( 10000 ), false );
tTimeFrameUnclamped1 = pClip->FromChildMediaTime( tTimeFrameUnclamped1, false );
Assert( tOptimizedUnclamped1 == tTimeFrameUnclamped1 );
#endif
for ( int i = nClips - 2; i > 0; --i )
{
const CDmeClip *pClip = m_clips[ i ];
#ifdef TEST_CLIP_STACK_OPTIMIZER
DmeTime_t tOldStart = m_tStart;
DmeTime_t tOldOffset = m_tOffset;
DmeTime_t tOldDuration = m_tDuration;
float flOldScale = m_flScale;
DmeTime_t tClipStart = pClip->GetStartTime();
DmeTime_t tClipOffset = pClip->GetTimeOffset();
DmeTime_t tClipDuration = pClip->GetDuration();
float flClipSCale = pClip->GetTimeScale();
#endif
DmeTime_t tChildStartInParentTime = pClip->FromChildMediaTime( m_tStart, false );
DmeTime_t tChildOffsetInParentTime = pClip->FromChildMediaDuration( m_tOffset );
DmeTime_t tChildDurationInParentTime = pClip->FromChildMediaDuration( m_tDuration );
DmeTime_t tChildEndInParentTime = tChildStartInParentTime + tChildDurationInParentTime;
m_flScale = pClip->GetTimeScale() * m_flScale;
m_tStart = MAX( tChildStartInParentTime, pClip->GetStartTime() );
DmeTime_t tDiff = tChildStartInParentTime - m_tStart;
m_tOffset = tChildOffsetInParentTime - tDiff;
DmeTime_t tEnd = MIN( tChildEndInParentTime, pClip->GetEndTime() );
m_tDuration = MAX( DMETIME_ZERO, tEnd - m_tStart );
#ifdef TEST_CLIP_STACK_OPTIMIZER
tOptimizedClamped0 = FromChildMediaTime( DMETIME_ZERO, true );
tTimeFrameClamped0 = pClip->FromChildMediaTime( tTimeFrameClamped0, true );
Assert( tOptimizedClamped0 == tTimeFrameClamped0 );
tOptimizedUnclamped0 = FromChildMediaTime( DMETIME_ZERO, false );
tTimeFrameUnclamped0 = pClip->FromChildMediaTime( tTimeFrameUnclamped0, false );
Assert( tOptimizedUnclamped0 == tTimeFrameUnclamped0 );
tOptimizedClamped1 = FromChildMediaTime( DmeTime_t( 10000 ), true );
tTimeFrameClamped1 = pClip->FromChildMediaTime( tTimeFrameClamped1, true );
Assert( tOptimizedClamped1 == tTimeFrameClamped1 );
tOptimizedUnclamped1 = FromChildMediaTime( DmeTime_t( 10000 ), false );
tTimeFrameUnclamped1 = pClip->FromChildMediaTime( tTimeFrameUnclamped1, false );
Assert( tOptimizedUnclamped1 == tTimeFrameUnclamped1 );
#endif
}
}
DmeTime_t DmeClipStack_t::ToChildMediaTime( DmeTime_t t, bool bClamp /*=true*/ ) const
{
if ( !m_bOptimized )
{
Optimize();
}
t -= m_tStart;
if ( bClamp )
{
t.Clamp( DMETIME_ZERO, m_tDuration );
}
return ( t + m_tOffset ) * m_flScale;
}
DmeTime_t DmeClipStack_t::FromChildMediaTime( DmeTime_t t, bool bClamp /*=true*/ ) const
{
if ( !m_bOptimized )
{
Optimize();
}
t = t / m_flScale - m_tOffset;
if ( bClamp )
{
t.Clamp( DMETIME_ZERO, m_tDuration );
}
return t + m_tStart;
}
DmeTime_t DmeClipStack_t::ToChildMediaDuration( DmeTime_t t ) const
{
if ( !m_bOptimized )
{
Optimize();
}
return t * m_flScale;
}
DmeTime_t DmeClipStack_t::FromChildMediaDuration( DmeTime_t t ) const
{
if ( !m_bOptimized )
{
Optimize();
}
return t / m_flScale;
}
void DmeClipStack_t::ToChildMediaTime( TimeSelection_t ¶ms ) const
{
for ( int i = 0; i < TS_TIME_COUNT; ++i )
{
params.m_Times[i] = ToChildMediaTime( params.m_Times[i], false );
}
}
//-----------------------------------------------------------------------------
//
// CDmeSoundClip - timeframe view into a dmesound
//
//-----------------------------------------------------------------------------
IMPLEMENT_ELEMENT_FACTORY( DmeSoundClip, CDmeSoundClip );
void CDmeSoundClip::OnConstruction()
{
m_Sound.Init( this, "sound" );
m_bShowWave.InitAndSet( this, "showwave", false );
m_fadeInDuration .InitAndSet( this, "fadeIn", DMETIME_ZERO );
m_fadeOutDuration.InitAndSet( this, "fadeOut", DMETIME_ZERO );
}
void CDmeSoundClip::OnDestruction()
{
}
void CDmeSoundClip::SetShowWave( bool state )
{
m_bShowWave = state;
}
bool CDmeSoundClip::ShouldShowWave( ) const
{
return m_bShowWave;
}
float CDmeSoundClip::GetVolumeFade( DmeTime_t tParent )
{
float fade = 1.0f;
if ( tParent < GetStartTime() + m_fadeInDuration )
{
fade = ( tParent - GetStartTime() ) / m_fadeInDuration;
}
if ( tParent > GetEndTime() - m_fadeOutDuration )
{
fade = MIN( fade, ( GetEndTime() - tParent ) / m_fadeOutDuration );
}
return fade;
}
void CDmeSoundClip::BakeTimeScale( float scale /*= 1.0f*/ )
{
float flNewScale = scale * GetTimeScale();
float flInvScale = 1.0f / flNewScale;
m_fadeInDuration *= flInvScale;
m_fadeOutDuration *= flInvScale;
BaseClass::BakeTimeScale( scale );
}
//-----------------------------------------------------------------------------
// CDmeChannelsClip - timeframe view into a set of channels
//-----------------------------------------------------------------------------
IMPLEMENT_ELEMENT_FACTORY( DmeChannelsClip, CDmeChannelsClip );
void CDmeChannelsClip::OnConstruction()
{
m_Channels.Init( this, "channels" );
}
void CDmeChannelsClip::OnDestruction()
{
}
bool IsParticleSystemChannelsClip( CDmeChannelsClip *pChannelsClip )
{
int nChannels = pChannelsClip->m_Channels.Count();
for ( int i = 0; i < nChannels; ++i )
{
CDmeChannel *pChannel = pChannelsClip->m_Channels[ i ];
if ( !pChannel )
continue;
CDmElement *pToElement = pChannel->GetToElement();
if ( !pToElement )
continue;
if ( !V_stricmp( pToElement->GetTypeString(), "DmeGameParticleSystem" ) )
return true;
CDmeTransform *pTransform = CastElement< CDmeTransform >( pToElement );
if ( !pTransform )
continue;
CUtlVector< CDmeDag* > dags;
FindAncestorsReferencingElement( pTransform, dags );
int nDags = dags.Count();
for ( int i = 0; i < nDags; ++i )
{
if ( !V_stricmp( dags[ i ]->GetTypeString(), "DmeGameParticleSystem" ) )
return true;
}
}
return false;
}
void CDmeChannelsClip::BakeTimeScale( float scale /*= 1.0f*/ )
{
float flNewScale = scale * GetTimeScale();
// HACK - particle systems can't really be un-scaled in this way, for apparently two reasons:
// 1) we're storing time data in the dmegameparticlesystem (ie in the scene, rather than in clips/channels)
// 2) the game's particle systems appear to be semi-hardcoded in relation to time (so blinking materials don't blink at the scaled rate after baking)
if ( IsParticleSystemChannelsClip( this ) )
{
CDmeTimeFrame *tf = m_TimeFrame.GetElement();
tf->SetStartTime ( tf->GetStartTime () / scale );
tf->SetDuration ( tf->GetDuration () / scale );
tf->SetTimeOffset( tf->GetTimeOffset() / scale );
tf->SetTimeScale ( scale );
return; // skip particle system channels clips
}
int nChannels = m_Channels.Count();
for ( int i = 0; i < nChannels; ++i )
{
CDmeChannel *pChannel = m_Channels[ i ];
if ( !pChannel )
continue;
pChannel->ScaleSampleTimes( 1.0f / flNewScale );
}
BaseClass::BakeTimeScale( scale );
}
CDmeChannel *CDmeChannelsClip::CreatePassThruConnection( char const *passThruName,
CDmElement *pFrom, char const *pFromAttribute,
CDmElement *pTo, char const *pToAttribute, int index /*= 0*/ )
{
CDmeChannel *helper = CreateElement< CDmeChannel >( passThruName, GetFileId() );
Assert( helper );
helper->SetMode( CM_PASS );
helper->SetInput( pFrom, pFromAttribute );
helper->SetOutput( pTo, pToAttribute, index );
m_Channels.AddToTail( helper );
return helper;
}
void CDmeChannelsClip::RemoveChannel( CDmeChannel *pChannel )
{
int nCount = m_Channels.Count();
for ( int i = 0; i < nCount; ++i )
{
if ( pChannel == m_Channels[i] )
{
m_Channels.Remove( i );