SoundData.cpp

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/* Copyright (C) 2012 Wildfire Games.
 * This file is part of 0 A.D.
 *
 * 0 A.D. is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * 0 A.D. is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "precompiled.h"

#include "SoundData.h"
#include "soundmanager/SoundManager.h"

#if CONFIG2_AUDIO

#include "OggData.h"
#include "ps/CLogger.h"

#include <iostream>

DataMap CSoundData::sSoundData;

CSoundData::CSoundData()
{
    InitProperties();
}

CSoundData::~CSoundData()
{
    AL_CHECK
    if (m_ALBuffer != 0)
        alDeleteBuffers(1, &m_ALBuffer);
    m_ALBuffer = 0;
    AL_CHECK
    delete m_FileName;
}

void CSoundData::InitProperties()
{
    m_ALBuffer = 0;
    m_RetentionCount = 0;
    m_FileName = NULL;
}

void CSoundData::ReleaseSoundData(CSoundData* theData)
{
    DataMap::iterator itemFind;

    if (theData->DecrementCount())
    {
        if ((itemFind = CSoundData::sSoundData.find( theData->GetFileName()->string() )) != sSoundData.end())
        {
            CSoundData::sSoundData.erase(itemFind);
        }
        delete theData;
    }
}

CSoundData* CSoundData::SoundDataFromFile(const VfsPath& itemPath)
{   
    Path fExt = itemPath.Extension();
    DataMap::iterator itemFind;
    CSoundData* answer = NULL;

    if ((itemFind = CSoundData::sSoundData.find(itemPath.string())) != sSoundData.end())
    {
        answer = itemFind->second;
    }
    else
    {
      if (fExt == ".ogg")
            answer = SoundDataFromOgg(itemPath);
    
        if (answer && answer->IsOneShot()) 
        {
            CSoundData::sSoundData[itemPath.string()] = answer;
        }
    
    }

    return answer;
}

bool CSoundData::IsOneShot()
{
    return true;
}


CSoundData* CSoundData::SoundDataFromOgg(const VfsPath& itemPath)
{
    CSoundData* answer = NULL;
    COggData* oggAnswer = new COggData();

    if ( oggAnswer->InitOggFile(itemPath) )
    {
        answer = oggAnswer;
    }
    else
    {
        LOGERROR(L"could not initialize ogg data at %ls", itemPath.string().c_str());
        delete oggAnswer;
    }

    return answer;
}

int CSoundData::GetBufferCount()
{
    return 1;
}

Path* CSoundData::GetFileName()
{
    return m_FileName;
}

void CSoundData::SetFileName(const Path& aName)
{
    delete m_FileName;

    m_FileName = new Path( aName );
}

CSoundData* CSoundData::IncrementCount()
{
    m_RetentionCount++;
    return this;
}

bool CSoundData::DecrementCount()
{
    m_RetentionCount--;
    
    return (m_RetentionCount <= 0);
}

unsigned int CSoundData::GetBuffer()
{
    return m_ALBuffer;
}

unsigned int* CSoundData::GetBufferPtr()
{
    return &m_ALBuffer;
}

bool CSoundData::IsStereo()
{
    return false;
}

#endif // CONFIG2_AUDIO