/*---------------------------------------------------------------------------*
  Project:  NintendoWare
  File:     snd_StreamSound.cpp
  
  Copyright (C)2009-2011 Nintendo/HAL Laboratory, Inc.  All rights reserved.
  
  These coded instructions, statements, and computer programs contain proprietary
  information of Nintendo and/or its licensed developers and are protected by
  national and international copyright laws. 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.
  
  The content herein is highly confidential and should be handled accordingly.
  
  $Revision: 31311 $
 *---------------------------------------------------------------------------*/

#include "precompiled.h"

#include <nw/snd/snd_StreamSound.h>
#include <nw/snd/snd_StreamSoundHandle.h>

namespace nw {
namespace snd {
namespace internal {

NW_UT_RUNTIME_TYPEINFO_DEFINITION(StreamSound,BasicSound);

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

/*---------------------------------------------------------------------------*
  Name:         StreamSound

  Description:  コンストラクタ

  Arguments:    None.

  Returns:      None.
 *---------------------------------------------------------------------------*/
StreamSound::StreamSound(
    StreamSoundInstanceManager& manager
)
:  m_Manager( manager ),
   m_InitializeFlag(false)
{
}


void StreamSound::Initialize()
{
    driver::BasicSoundPlayer* basicPlayer = GetBasicSoundPlayerHandle();
    DriverCommandManager& cmdmgr = DriverCommandManager::GetInstance();
    
    if ( ! basicPlayer->TryWaitInstanceFree() ) {
        cmdmgr.FlushCommand( true );
        basicPlayer->WaitInstanceFree();
    }
    
    BasicSound::Initialize();
    
    m_pTempSpecialHandle = NULL;
    
    for ( int i=0; i<driver::StreamSoundPlayer::STRM_TRACK_NUM; i++ )
    {
        m_TrackVolume[ i ].InitValue( 0.0f );
        m_TrackVolume[ i ].SetTarget( 1.0f, 1 );
    }

    m_InitializeFlag = true;
}

/*---------------------------------------------------------------------------*
  Name:         Finalize

  Description:  サウンドの終了

  Arguments:    None.

  Returns:      None.
 *---------------------------------------------------------------------------*/
void StreamSound::Finalize()
{
    if ( ! m_InitializeFlag ) return;
    m_InitializeFlag = false;
    
    BasicSound::Finalize();

    m_Manager.Free( this );
}

/*---------------------------------------------------------------------------*
  Name:         Setup

  Description:  初期化

  Arguments:    pBbufferPool -
                allocChannels -
                allocTracks -

  Returns:
 *---------------------------------------------------------------------------*/
void StreamSound::Setup(
    driver::StreamBufferPool* pBufferPool,
    int allocChannelCount,
    u16 allocTrackFlag
)
{
    NW_NULL_ASSERT( pBufferPool );

    m_AllocTrackFlag = allocTrackFlag;
    
    DriverCommandManager& cmdmgr = DriverCommandManager::GetInstance();
    DriverCommandStreamSoundInit* command =
        cmdmgr.AllocCommand<DriverCommandStreamSoundInit>();
    command->id = DRIVER_COMMAND_STRM_INIT;
    command->player = &m_StreamSoundPlayerInstance;
    command->pBufferPool = pBufferPool;
    command->allocChannelCount = allocChannelCount;
    command->allocTrackFlag = allocTrackFlag;
    cmdmgr.PushCommand(command);
}

/*---------------------------------------------------------------------------*
  Name:         Prepare

  Description:  サウンド開始準備

  Arguments:

  Returns:      None.
 *---------------------------------------------------------------------------*/
void StreamSound::Prepare(
    driver::StreamSoundPlayer::StartOffsetType startOffsetType,
    s32 offset,
    io::FileStream* pFileStream
)
{    
    DriverCommandManager& cmdmgr = DriverCommandManager::GetInstance();
    DriverCommandStreamSoundSetup* command =
        cmdmgr.AllocCommand<DriverCommandStreamSoundSetup>();
    command->id = DRIVER_COMMAND_STRM_SETUP;
    command->player = &m_StreamSoundPlayerInstance;
    command->pFileStream = pFileStream;
    command->startOffsetType = startOffsetType;
    command->offset = offset;
    cmdmgr.PushCommand(command);
}

/*---------------------------------------------------------------------------*
  Name:         UpdateMoveValue

  Description:  サウンドのアップデート

  Arguments:    None.

  Returns:      None.
 *---------------------------------------------------------------------------*/
void StreamSound::UpdateMoveValue()
{
    BasicSound::UpdateMoveValue();
    
    u16 bitFlag = m_AllocTrackFlag;
    for ( int trackNo=0; trackNo<driver::StreamSoundPlayer::STRM_TRACK_NUM; trackNo++,bitFlag>>=1 )
    {
        if ( bitFlag & 0x01 )
        {
            m_TrackVolume[ trackNo ].Update();
        }
    }
}

void StreamSound::UpdateParam()
{
    BasicSound::UpdateParam();

    DriverCommandManager& cmdmgr = DriverCommandManager::GetInstance();
    
    u16 bitFlag = m_AllocTrackFlag;
    for ( int trackNo=0; trackNo<driver::StreamSoundPlayer::STRM_TRACK_NUM; trackNo++, bitFlag>>=1 )
    {
        if ( bitFlag & 0x01 )
        {
            DriverCommandStreamSoundTrackParam* command =
                cmdmgr.AllocCommand<DriverCommandStreamSoundTrackParam>();
            command->id = DRIVER_COMMAND_STRM_TRACK_VOLUME;
            command->player = &m_StreamSoundPlayerInstance;
            command->trackBitFlag = static_cast<unsigned long>( 1 << trackNo );
            command->value = m_TrackVolume[ trackNo ].GetValue();
            cmdmgr.PushCommand(command);
        }
    }
}

void StreamSound::SetTrackVolume( unsigned long trackBitFlag, float volume, int frames )
{
    if ( volume < 0.0f ) volume = 0.0f;
    
    u16 bitFlag = ( m_AllocTrackFlag & trackBitFlag );
    for( int trackNo = 0;
         trackNo < driver::StreamSoundPlayer::STRM_TRACK_NUM && trackBitFlag != 0;
         trackNo++, bitFlag >>=1
    )
    {
        if ( bitFlag & 0x01 )
        {
            m_TrackVolume[ trackNo ].SetTarget( volume, frames );
        }
    }
}

void StreamSound::SetTrackPan( unsigned long trackBitFlag, float pan )
{
    DriverCommandManager& cmdmgr = DriverCommandManager::GetInstance();
    DriverCommandStreamSoundTrackParam* command =
        cmdmgr.AllocCommand<DriverCommandStreamSoundTrackParam>();
    command->id = DRIVER_COMMAND_STRM_TRACK_PAN;
    command->player = &m_StreamSoundPlayerInstance;
    command->trackBitFlag = trackBitFlag;
    command->value = pan;
    cmdmgr.PushCommand(command);
}

void StreamSound::SetTrackSurroundPan( unsigned long trackBitFlag, float span )
{
    DriverCommandManager& cmdmgr = DriverCommandManager::GetInstance();
    DriverCommandStreamSoundTrackParam* command =
        cmdmgr.AllocCommand<DriverCommandStreamSoundTrackParam>();
    command->id = DRIVER_COMMAND_STRM_TRACK_SPAN;
    command->player = &m_StreamSoundPlayerInstance;
    command->trackBitFlag = trackBitFlag;
    command->value = span;
    cmdmgr.PushCommand(command);
}


/*---------------------------------------------------------------------------*
  Name:         OnUpdatePlayerPriority

  Description:  プレイヤープライオリティを変更

  Arguments:

  Returns:      None.
 *---------------------------------------------------------------------------*/
void StreamSound::OnUpdatePlayerPriority()
{
    m_Manager.UpdatePriority( this, CalcCurrentPlayerPriority() );
}

bool StreamSound::IsAttachedTempSpecialHandle()
{
    return m_pTempSpecialHandle != NULL;
}

void StreamSound::DetachTempSpecialHandle()
{
    m_pTempSpecialHandle->DetachSound();
}

bool StreamSound::ReadStreamDataInfo( StreamDataInfo* info ) const
{
    if ( ! IsPlayerAvailable() ) return false;
    return m_StreamSoundPlayerInstance.ReadStreamDataInfo( info );
}

long StreamSound::GetPlayLoopCount() const
{
    if ( ! IsPlayerAvailable() ) return 0;
    return m_StreamSoundPlayerInstance.GetPlayLoopCount();
}

long StreamSound::GetPlaySamplePosition() const
{
    if ( ! IsPlayerAvailable() ) return 0;
    return m_StreamSoundPlayerInstance.GetPlaySamplePosition();
}

float StreamSound::GetFilledBufferPercentage() const
{
    if ( ! IsPlayerAvailable() ) return 0.0f;
    return m_StreamSoundPlayerInstance.GetFilledBufferPercentage();
}

bool StreamSound::IsPrepared() const
{
    if ( ! IsPlayerAvailable() ) return false;
    return m_StreamSoundPlayerInstance.IsPrepared();
}

bool StreamSound::IsSuspendByLoadingDelay() const
{
    if ( ! IsPlayerAvailable() ) return false;
    return m_StreamSoundPlayerInstance.IsSuspendByLoadingDelay();
}


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