/*---------------------------------------------------------------------------*
  Project:  NintendoWare
  File:     snd_WaveSoundFile.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: 23497 $
 *---------------------------------------------------------------------------*/

#include "precompiled.h"
#include <nw/snd/snd_WaveSoundFile.h>

#include <nw/snd/snd_ElementType.h>
#include <nw/ut/ut_Inlines.h>               // ut::AddOffsetToPtr

namespace nw {
namespace snd {
namespace internal {

namespace {

const u8 DEFAULT_PAN            = 64;   // 中央
const s8 DEFAULT_SURROUND_PAN   = 0;    // 中央
const f32 DEFAULT_PITCH         = 1.0f;
const u8 DEFAULT_MAIN_SEND      = 127;  // 最大
const u8 DEFAULT_FX_SEND        = 0;    // 最小
const AdshrCurve DEFAULT_ADSHR_CURVE(
    127,    // u8 attack
    127,    // u8 decay
    127,    // u8 sustain
    127,    // u8 hold
    127     // u8 release
);
const u8 DEFAULT_KEY            = 64;   // TODO: おそらく中央
const u8 DEFAULT_VOLUME         = 96;

enum WaveSoundInfoBitFlag
{
    WAVE_SOUND_INFO_PAN = 0x00,
    WAVE_SOUND_INFO_PITCH,
    WAVE_SOUND_INFO_SEND = 0x08,
    WAVE_SOUND_INFO_ENVELOPE,
    WAVE_SOUND_INFO_RANDOMIZER  // 未実装
};

enum NoteInfoBitFlag
{
    NOTE_INFO_KEY = 0x00,
    NOTE_INFO_VOLUME,
    NOTE_INFO_PAN,
    NOTE_INFO_PITCH,
    NOTE_INFO_SEND = 0x08,
    NOTE_INFO_ENVELOPE,
    NOTE_INFO_RANDOMIZER,   // 未実装
    NOTE_INFO_LFO           // 未実装
};

struct SendValue
{
    u8 mainSend;
    Util::Table<u8,u8> fxSend;
};

} // anonymous namespace


//
// WaveSoundFile::FileHeader
//
const WaveSoundFile::InfoBlock* WaveSoundFile::FileHeader::GetInfoBlock() const
{
    return reinterpret_cast<const InfoBlock*>( GetBlock( ElementType_WaveSoundFile_InfoBlock ) );
}


//
// WaveSoundFile::InfoBlockBody
//

const WaveSoundFile::WaveSoundData&
WaveSoundFile::InfoBlockBody::GetWaveSoundData( u32 index ) const
{
    NW_ASSERT( index < GetWaveSoundCount() );
    const void* pWaveSoundData =
        GetWaveSoundDataReferenceTable().GetReferedItem(
                index,
                ElementType_WaveSoundFile_WaveSoundMetaData );
    NW_NULL_ASSERT( pWaveSoundData );
    return *reinterpret_cast<const WaveSoundData*>( pWaveSoundData );
}
const Util::ReferenceTable&
WaveSoundFile::InfoBlockBody::GetWaveSoundDataReferenceTable() const
{
    return *reinterpret_cast<const Util::ReferenceTable*>(
            ut::AddOffsetToPtr( this, toWaveSoundDataReferenceTable.offset ) );
}
const Util::WaveIdTable&
WaveSoundFile::InfoBlockBody::GetWaveIdTable() const
{
    return *reinterpret_cast<const Util::WaveIdTable*>(
            ut::AddOffsetToPtr( this, toWaveIdTable.offset ) );
}


//
// WaveSoundFile::WaveSoundData
//
const WaveSoundFile::WaveSoundInfo&
WaveSoundFile::WaveSoundData::GetWaveSoundInfo() const
{
    NW_ASSERT( toWaveSoundInfo.IsValidTypeId(
                ElementType_WaveSoundFile_WaveSoundInfo ) );

    return *reinterpret_cast<const WaveSoundInfo*>(
            ut::AddOffsetToPtr( this, toWaveSoundInfo.offset ) );
}

const Util::ReferenceTable&
WaveSoundFile::WaveSoundData::GetTrackInfoReferenceTable() const
{
    return *reinterpret_cast<const Util::ReferenceTable*>(
            ut::AddOffsetToPtr( this, toTrackInfoReferenceTable.offset ) );
}

const Util::ReferenceTable&
WaveSoundFile::WaveSoundData::GetNoteInfoReferenceTable() const
{
    return *reinterpret_cast<const Util::ReferenceTable*>(
            ut::AddOffsetToPtr( this, toNoteInfoReferenceTable.offset ) );
}

const WaveSoundFile::TrackInfo&
WaveSoundFile::WaveSoundData::GetTrackInfo( u32 index ) const
{
    NW_ASSERT( index < GetTrackCount() );

    const void* pTrackInfo =
        GetTrackInfoReferenceTable().GetReferedItem(
                index,
                ElementType_WaveSoundFile_TrackInfo );
    NW_NULL_ASSERT( pTrackInfo );

    return *reinterpret_cast<const TrackInfo*>( pTrackInfo );
}

const WaveSoundFile::NoteInfo&
WaveSoundFile::WaveSoundData::GetNoteInfo( u32 index ) const
{
    NW_ASSERT( index < GetNoteCount() );

    const void* pNoteInfo =
        GetNoteInfoReferenceTable().GetReferedItem(
                index,
                ElementType_WaveSoundFile_NoteInfo );
    NW_NULL_ASSERT( pNoteInfo );

    return *reinterpret_cast<const NoteInfo*>( pNoteInfo );
}


//
// WaveSoundFile::WaveSoundInfo
//
u8 WaveSoundFile::WaveSoundInfo::GetPan() const
{
    u32 value;
    bool result = optionParameter.GetValue( &value, WAVE_SOUND_INFO_PAN );
    if ( result == false ) return DEFAULT_PAN;
    return Util::DevideBy8bit( value, 0 );
}
s8 WaveSoundFile::WaveSoundInfo::GetSurroundPan() const
{
    u32 value;
    bool result = optionParameter.GetValue( &value, WAVE_SOUND_INFO_PAN );
    if ( result == false ) return DEFAULT_SURROUND_PAN;
    return static_cast<s8>( Util::DevideBy8bit( value, 1 ) );
}
f32 WaveSoundFile::WaveSoundInfo::GetPitch() const
{
    f32 value;
    bool result = optionParameter.GetValueF32( &value, WAVE_SOUND_INFO_PITCH );
    if ( result == false ) return DEFAULT_PITCH;
    return value;
}

void WaveSoundFile::WaveSoundInfo::GetSendValue(
        u8* mainSend, u8* fxSend, u8 fxSendCount ) const
{
    u32 value;
    bool result = optionParameter.GetValue( &value, WAVE_SOUND_INFO_SEND );
    if ( result == false )
    {
        *mainSend = DEFAULT_MAIN_SEND;
        for ( int i = 0; i < fxSendCount; i++ )
        {
            fxSend[ i ] = DEFAULT_FX_SEND;
        }
        return;
    }

    const SendValue& sendValue = *reinterpret_cast<const SendValue*>(
            ut::AddOffsetToPtr( this, value ) );

    NW_ASSERT( fxSendCount <= sendValue.fxSend.count );
    *mainSend = sendValue.mainSend;
    int countSize = sendValue.fxSend.count > AUX_BUS_NUM ?
        AUX_BUS_NUM : sendValue.fxSend.count;
    for ( int i = 0; i < countSize; i++ )
    {
        fxSend[ i ] = sendValue.fxSend.item[ i ];
    }
}

const AdshrCurve& WaveSoundFile::WaveSoundInfo::GetAdshrCurve() const
{
    u32 offsetToReference;
    bool result = optionParameter.GetValue( &offsetToReference, WAVE_SOUND_INFO_ENVELOPE );
    if ( result == false ) return DEFAULT_ADSHR_CURVE;

    const Util::Reference& ref = *reinterpret_cast<const Util::Reference*>(
            ut::AddOffsetToPtr( this, offsetToReference ) );
    return *reinterpret_cast<const AdshrCurve*>(
            ut::AddOffsetToPtr( &ref, ref.offset ) );
}


//
// WaveSoundFile::TrackInfo
//
const Util::ReferenceTable&
WaveSoundFile::TrackInfo::GetNoteEventReferenceTable() const
{
    return *reinterpret_cast<const Util::ReferenceTable*>(
            ut::AddOffsetToPtr( this, toNoteEventReferenceTable.offset ) );
}

const WaveSoundFile::NoteEvent&
WaveSoundFile::TrackInfo::GetNoteEvent( u32 index ) const
{
    NW_ASSERT( index < GetNoteEventCount() );

    const void* pNoteEvent =
        GetNoteEventReferenceTable().GetReferedItem(
                index,
                ElementType_WaveSoundFile_NoteEvent );
    NW_NULL_ASSERT( pNoteEvent );

    return *reinterpret_cast<const NoteEvent*>( pNoteEvent );
}


//
// WaveSoundFile::NoteInfo
//
u8 WaveSoundFile::NoteInfo::GetOriginalKey() const
{
    u32 value;
    bool result = optionParameter.GetValue( &value, NOTE_INFO_KEY );
    if ( result == false ) return DEFAULT_KEY;
    return Util::DevideBy8bit( value, 0 );
}

u8 WaveSoundFile::NoteInfo::GetVolume() const
{
    u32 value;
    bool result = optionParameter.GetValue( &value, NOTE_INFO_VOLUME );
    if ( result == false ) return DEFAULT_VOLUME;
    return Util::DevideBy8bit( value, 0 );
}

u8 WaveSoundFile::NoteInfo::GetPan() const
{
    u32 value;
    bool result = optionParameter.GetValue( &value, NOTE_INFO_PAN );
    if ( result == false ) return DEFAULT_PAN;
    return Util::DevideBy8bit( value, 0 );
}
u8 WaveSoundFile::NoteInfo::GetSurroundPan() const
{
    u32 value;
    bool result = optionParameter.GetValue( &value, NOTE_INFO_PAN );
    if ( result == false ) return DEFAULT_SURROUND_PAN;
    return static_cast<s8>( Util::DevideBy8bit( value, 1 ) );
}
f32 WaveSoundFile::NoteInfo::GetPitch() const
{
    f32 value;
    bool result = optionParameter.GetValueF32( &value, NOTE_INFO_PITCH );
    if ( result == false ) return DEFAULT_PITCH;
    return value;
}

void WaveSoundFile::NoteInfo::GetSendValue( u8* mainSend, u8* fxSend[], u8 fxSendCount ) const
{
    u32 value;
    bool result = optionParameter.GetValue( &value, NOTE_INFO_SEND );
    if ( result == false )
    {
        *mainSend = DEFAULT_MAIN_SEND;
        for ( int i = 0; i < fxSendCount; i++ )
        {
            *fxSend[i] = DEFAULT_FX_SEND;
        }
        return;
    }

    const SendValue& sendValue = *reinterpret_cast<const SendValue*>(
            ut::AddOffsetToPtr( this, value ) );

    NW_ASSERT( fxSendCount <= sendValue.fxSend.count );
    *mainSend = sendValue.mainSend;
    int countSize = sendValue.fxSend.count > AUX_BUS_NUM ?
        AUX_BUS_NUM : sendValue.fxSend.count;
    for ( int i = 0; i < countSize; i++ )
    {
        *fxSend[ i ] = sendValue.fxSend.item[ i ];
    }
}

const AdshrCurve& WaveSoundFile::NoteInfo::GetAdshrCurve() const
{
    u32 offsetToReference;
    bool result = optionParameter.GetValue( &offsetToReference, NOTE_INFO_ENVELOPE );
    if ( result == false ) return DEFAULT_ADSHR_CURVE;

    const Util::Reference& ref = *reinterpret_cast<const Util::Reference*>(
            ut::AddOffsetToPtr( this, offsetToReference ) );
    return *reinterpret_cast<const AdshrCurve*>(
            ut::AddOffsetToPtr( &ref, ref.offset ) );
}


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