khanat-code-old/code/nel/include/nel/sound/source_music_channel.h

100 lines
2.9 KiB
C++

/**
* \file source_music_channel.h
* \brief CSourceMusicChannel
* \date 2012-04-11 16:08GMT
* \author Jan Boon (Kaetemi)
* CSourceMusicChannel
*/
/*
* Copyright (C) 2012 by authors
*
* This file is part of RYZOM CORE.
* RYZOM CORE is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* RYZOM CORE 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
* Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public
* License along with RYZOM CORE. If not, see
* <http://www.gnu.org/licenses/>.
*/
#ifndef NLSOUND_SOURCE_MUSIC_CHANNEL_H
#define NLSOUND_SOURCE_MUSIC_CHANNEL_H
#include <nel/misc/types_nl.h>
// STL includes
// NeL includes
#include <nel/sound/driver/music_channel.h>
#include <nel/sound/stream_file_sound.h>
// Project includes
namespace NLSOUND {
class CStreamFileSource;
/**
* \brief CSourceMusicChannel
* \date 2012-04-11 16:08GMT
* \author Jan Boon (Kaetemi)
* CSourceMusicChannel
*/
class CSourceMusicChannel : public IMusicChannel
{
public:
CSourceMusicChannel();
virtual ~CSourceMusicChannel();
/** Play some music (.ogg etc...)
* NB: if an old music was played, it is first stop with stopMusic()
* \param filepath file path, CPath::lookup is done here
* \param async stream music from hard disk, preload in memory if false
* \param loop must be true to play the music in loop.
*/
virtual bool play(const std::string &filepath, bool async, bool loop);
/// Stop the music previously loaded and played (the Memory is also freed)
virtual void stop();
/// Makes sure any resources are freed, but keeps available for next play call
virtual void reset();
/// Pause the music previously loaded and played (the Memory is not freed)
virtual void pause();
/// Resume the music previously paused
virtual void resume();
/// Return true if a song is finished.
virtual bool isEnded();
/// Return true if the song is still loading asynchronously and hasn't started playing yet (false if not async), used to delay fading
virtual bool isLoadingAsync();
/// Return the total length (in second) of the music currently played
virtual float getLength();
/** Set the music volume (if any music played). (volume value inside [0 , 1]) (default: 1)
* NB: the volume of music is NOT affected by IListener::setGain()
*/
virtual void setVolume(float gain);
private:
CStreamFileSound m_Sound;
CStreamFileSource *m_Source;
float m_Gain;
}; /* class CSourceMusicChannel */
} /* namespace NLSOUND */
#endif /* #ifndef NLSOUND_SOURCE_MUSIC_CHANNEL_H */
/* end of file */