/*---------------------------------------------------------------------------*
  Project:  NintendoWare
  File:     snd_MmlSequenceTrackAllocator.cpp

  Copyright (C)2009-2010 Nintendo Co., Ltd./HAL Laboratory, Inc.  All rights reserved.

  These coded instructions, statements, and computer programs contain
  proprietary information of Nintendo of America Inc. and/or Nintendo
  Company Ltd., and are protected by Federal copyright law.  They may
  not be disclosed to third parties or copied or duplicated in any form,
  in whole or in part, without the prior written consent of Nintendo.

  $Revision: 19566 $
 *---------------------------------------------------------------------------*/

#include "precompiled.h"

#include <nw/snd/snd_MmlSequenceTrackAllocator.h>

namespace nw {
namespace snd {
namespace internal {
namespace driver {

/* ========================================================================
        static member function
   ======================================================================== */


/*---------------------------------------------------------------------------*
  Name:         AllocTrack

  Description:  トラックを確保します

  Arguments:    None.

  Returns:      確保できたときは、トラックID
                確保できなかったときは、-1 を返します
 *---------------------------------------------------------------------------*/
SequenceTrack* MmlSequenceTrackAllocator::AllocTrack( SequenceSoundPlayer* player )
{
    MmlSequenceTrack* track = m_TrackPool.Alloc();
    if ( track != NULL )
    {
        track->SetSequenceSoundPlayer( player );
        track->SetMmlParser( m_pParser );
    }
    return track;
}

/*---------------------------------------------------------------------------*
  Name:         FreeTrack

  Description:  トラックを開放します

  Arguments:    trackID - トラックID

  Returns:      None.
 *---------------------------------------------------------------------------*/
void MmlSequenceTrackAllocator::FreeTrack( SequenceTrack* track )
{
    NW_NULL_ASSERT( track );

    track->SetSequenceSoundPlayer( NULL );

    m_TrackPool.Free( reinterpret_cast<MmlSequenceTrack*>( track ) ); // TODO: 気になるキャスト
}

unsigned long MmlSequenceTrackAllocator::Create( void* buffer, unsigned long size )
{
    return m_TrackPool.Create( buffer, size );
}

void MmlSequenceTrackAllocator::Destroy( void* buffer, unsigned long size )
{
    m_TrackPool.Destroy( buffer, size );
}

} // namespace nw::snd::internal::driver
} // namespace nw::snd::internal
} // namespace nw::snd
} // namespace nw