source: code/branches/script_trigger/src/audio/AudioManager.cc @ 1929

/*
 *   ORXONOX - the hottest 3D action shooter ever to exist
 *                    > www.orxonox.net <
 *
 *
 *   License notice:
 *
 *   This program 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.
 *
 *   This program 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 this program; if not, write to the Free Software
 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 *   Author:
 *      Nicolas Perrenoud <nicolape_at_ee.ethz.ch>
 *   Co-authors:
 *      ...
 *
 */

#include "AudioManager.h"

#include <AL/alut.h>

#include "AudioBuffer.h"
#include "AudioSource.h"
#include "AudioStream.h"
#include "core/Error.h"
#include "core/Debug.h"

namespace audio
{
  AudioManager::AudioManager()
  {
    ambientPath = "audio/ambient";

    alutInit(NULL, 0);
  }

  AudioManager::~AudioManager()
  {
    for (unsigned int i=0;i<bgSounds.size();i++)
    {
      bgSounds[i]->release();
    }
    alutExit();
  }

  void AudioManager::ambientStart()
  {
    // currentBgSound = 0;
    if (bgSounds.size() > 0)
    {
      currentBgSound = rand() % bgSounds.size();
      if(!bgSounds[currentBgSound]->playback())
      {
        orxonox::Error("Ogg refused to play.");
      }
      else
      {
        COUT(3) << "Info: Started playing background sound" << std::endl;
      }
    }
  }

  void AudioManager::ambientStop()
  {
    COUT(3) << "Info: Stopped playing background sound" << std::endl;
  }

  void AudioManager::ambientAdd(std::string file)
  {
    std::string path = ambientPath + "/" + file + ".ogg";
    AudioStream* tmp = new AudioStream(path);
    tmp->open();
    if (tmp->isLoaded())
    {
      bgSounds.push_back(tmp);
      COUT(3) << "Info: Added background sound " << file << std::endl;
    }
  }

  void AudioManager::tick(float dt)
  {
    if (bgSounds.size() > 0)
    {
      if (bgSounds[currentBgSound]->isLoaded())
      {
        bool playing = bgSounds[currentBgSound]->update();
        if(!bgSounds[currentBgSound]->playing() && playing)
        {
          if(!bgSounds[currentBgSound]->playback())
            orxonox::Error("Ogg abruptly stopped.");
          else
            orxonox::Error("Ogg stream was interrupted.");
        }
        if (!playing)
        {
          // if (currentBgSound < bgSounds.size()-1)
          // {
          //   currentBgSound++;
          // }
          // else
          // {
          //   currentBgSound=0;
          // }
          // switch to next sound in list/array
          currentBgSound = ++currentBgSound % bgSounds.size();

          if (!bgSounds[currentBgSound]->isLoaded())
          {
            bgSounds[currentBgSound]->release();
            bgSounds[currentBgSound]->open();
          }
          bgSounds[currentBgSound]->playback();
          COUT(3) << "Info: Playing next background sound" << std::endl;
        }
      }
    }
  }

  void AudioManager::setPos(std::vector<float> newPosition)
  {
  }

  void AudioManager::setSpeed(std::vector<float> newSpeed)
  {
  }

  void AudioManager::setOri(std::vector<float> at, std::vector<float> up)
  {
  }

}