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//========= Copyright Valve Corporation, All rights reserved. ============//
//
// Purpose:
//
//=============================================================================
#ifndef DMETRACKGROUP_H
#define DMETRACKGROUP_H
#ifdef _WIN32
#pragma once
#endif
#include "tier1/utlflags.h"
#include "datamodel/dmelement.h"
#include "datamodel/dmattribute.h"
#include "datamodel/dmattributevar.h"
#include "datamodel/dmehandle.h"
#include "movieobjects/timeutils.h"
//-----------------------------------------------------------------------------
// Forward declarations
//-----------------------------------------------------------------------------
class CDmeClip;
class CDmeFilmClip;
class CDmeTrack;
enum DmeClipType_t;
enum DmeClipSkipFlag_t;
//-----------------------------------------------------------------------------
// Default track group name
//-----------------------------------------------------------------------------
#define DMETRACKGROUP_DEFAULT_NAME "default"
//-----------------------------------------------------------------------------
// A track group
//-----------------------------------------------------------------------------
class CDmeTrackGroup : public CDmElement
{
DEFINE_ELEMENT( CDmeTrackGroup, CDmElement );
public:
// Max track count
void SetMaxTrackCount( int nCount );
// Owning clip
CDmeClip *GetOwnerClip();
void SetOwnerClip( CDmeClip *pClip );
// track helper methods
void AddTrack( CDmeTrack *track );
CDmeTrack* AddTrack( const char *pTrackName, DmeClipType_t trackType );
CDmeTrack* FindOrAddTrack( const char *pTrackName, DmeClipType_t trackType );
void RemoveTrack( CDmeTrack *track );
void RemoveTrack( const char *pTrackName );
void RemoveTrack( int nIndex );
const CUtlVector< DmElementHandle_t > &GetTracks( ) const;
int GetTrackCount( ) const;
CDmeTrack *GetTrack( int nIndex ) const;
CDmeTrack *FindTrack( const char *pTrackName ) const;
int GetTrackIndex( CDmeTrack *pTrack ) const;
// Clip helper methods
// AddClip/ChangeTrack returns non-NULL if it was successfully added
CDmeTrack *AddClip( CDmeClip *pClip, const char *pTrackName );
bool RemoveClip( CDmeClip *pClip );
CDmeTrack *ChangeTrack( CDmeClip *pClip, const char *pNewTrack );
CDmeTrack *FindTrackForClip( CDmeClip *pClip ) const;
bool FindTrackForClip( CDmeClip *pClip, int *pTrackIndex, int *pClipIndex = NULL ) const;
// Finding clips at a particular time
void FindClipsAtTime( DmeClipType_t clipType, DmeTime_t time, DmeClipSkipFlag_t flags, CUtlVector< CDmeClip * >& clips ) const;
void FindClipsIntersectingTime( DmeClipType_t clipType, DmeTime_t startTime, DmeTime_t endTime, DmeClipSkipFlag_t flags, CUtlVector< CDmeClip * >& clips ) const;
void FindClipsWithinTime( DmeClipType_t clipType, DmeTime_t startTime, DmeTime_t endTime, DmeClipSkipFlag_t flags, CUtlVector< CDmeClip * >& clips ) const;
// Are we a film track group?
bool IsFilmTrackGroup();
// Gets the film track (if this is a film track group)
CDmeTrack *GetFilmTrack();
// Is a particular clip typed able to be added?
bool IsSubClipTypeAllowed( DmeClipType_t type );
// Is this track group visible?
void SetVisible( bool bVisible );
bool IsVisible() const;
// Is this track group minimized?
void SetMinimized( bool bLocked );
bool IsMinimized() const;
// Track group display size
void SetDisplaySize( int nDisplaySize );
int GetDisplaySize() const;
// Creates the film track group [for internal use only]
CDmeTrack *CreateFilmTrack();
// Sort tracks by track type, then alphabetically
void SortTracksByType();
// Removes empty tracks
void RemoveEmptyTracks();
// Muting track groups
void SetMute( bool state );
bool IsMute( ) const;
// Volume for track group
void SetVolume( float state );
float GetVolume() const;
// Returns the flattened clip count
int GetSubClipCount() const;
void GetSubClips( CDmeClip **ppClips );
private:
CDmaElementArray< CDmeTrack > m_Tracks;
CDmaVar<bool> m_bIsVisible;
CDmaVar<bool> m_bMinimized;
CDmaVar< bool > m_bMute;
CDmaVar< float > m_Volume;
CDmaVar<int> m_nDisplaySize;
DmElementHandle_t m_hOwner;
int m_nMaxTrackCount;
};
//-----------------------------------------------------------------------------
// Inline methods
//-----------------------------------------------------------------------------
inline int CDmeTrackGroup::GetTrackCount( ) const
{
return m_Tracks.Count();
}
inline CDmeTrack *CDmeTrackGroup::GetTrack( int nIndex ) const
{
return m_Tracks[nIndex];
}
inline const CUtlVector< DmElementHandle_t > &CDmeTrackGroup::GetTracks( ) const
{
return m_Tracks.Get();
}
//-----------------------------------------------------------------------------
// Is this track group visible?
//-----------------------------------------------------------------------------
inline void CDmeTrackGroup::SetVisible( bool bVisible )
{
m_bIsVisible = bVisible;
}
inline bool CDmeTrackGroup::IsVisible() const
{
return m_bIsVisible;
}
//-----------------------------------------------------------------------------
// Is this track group minimized?
//-----------------------------------------------------------------------------
inline void CDmeTrackGroup::SetMinimized( bool bMinimized )
{
m_bMinimized = bMinimized;
}
inline bool CDmeTrackGroup::IsMinimized() const
{
return m_bMinimized;
}
//-----------------------------------------------------------------------------
// Track group display size
//-----------------------------------------------------------------------------
inline void CDmeTrackGroup::SetDisplaySize( int nDisplaySize )
{
m_nDisplaySize = nDisplaySize;
}
inline int CDmeTrackGroup::GetDisplaySize() const
{
return m_nDisplaySize;
}
//-----------------------------------------------------------------------------
// Iterator macro
//-----------------------------------------------------------------------------
#define DMETRACKGROUP_FOREACH_CLIP_START( _dmeTrackGroup, _dmeTrack, _dmeClip ) \
{ \
int _tc = (_dmeTrackGroup)->GetTrackCount(); \
for ( int _i = 0; _i < _tc; ++_i ) \
{ \
CDmeTrack *_dmeTrack = (_dmeTrackGroup)->GetTrack( _i ); \
if ( !_dmeTrack ) \
continue; \
\
int _cc = _dmeTrack->GetClipCount(); \
for ( int _j = 0; _j < _cc; ++_j ) \
{ \
CDmeClip *_dmeClip = _dmeTrack->GetClip( _j ); \
if ( !_dmeClip ) \
continue;
#define DMETRACKGROUP_FOREACH_CLIP_END( ) \
} \
} \
}
#define DMETRACKGROUP_FOREACH_CLIP_TYPE_START( _clipType, _dmeTrackGroup, _dmeTrack, _dmeClip ) \
{ \
int _tc = (_dmeTrackGroup)->GetTrackCount(); \
for ( int _i = 0; _i < _tc; ++_i ) \
{ \
CDmeTrack *_dmeTrack = (_dmeTrackGroup)->GetTrack( _i ); \
if ( !_dmeTrack ) \
continue; \
\
if ( _dmeTrack->GetClipType() != CDmeClipInfo< _clipType >::ClipType() ) \
continue; \
\
int _cc = _dmeTrack->GetClipCount(); \
for ( int _j = 0; _j < _cc; ++_j ) \
{ \
_clipType *_dmeClip = static_cast< _clipType* >( _dmeTrack->GetClip( _j ) ); \
if ( !_dmeClip ) \
continue;
#define DMETRACKGROUP_FOREACH_CLIP_TYPE_END( ) \
} \
} \
}
//-----------------------------------------------------------------------------
// helper methods
//-----------------------------------------------------------------------------
CDmeFilmClip *GetParentClip( CDmeTrackGroup *pTrackGroup );
#endif // DMETRACKGROUP_H
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