khanat-opennel-code/code/nel/src/sound/sound.h
acemtp@users.sourceforge.net d5c601ffa5 initial version
2010-05-06 02:08:41 +02:00

165 lines
5 KiB
C++

// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program 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.
//
// 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifndef NL_SOUND_H
#define NL_SOUND_H
#include "nel/misc/types_nl.h"
#include "nel/misc/stream.h"
#include "nel/misc/string_mapper.h"
#include "nel/sound/u_source.h"
#include "nel/georges/u_form_elm.h"
#include <string>
namespace NLSOUND {
class ISoundDriver;
class IBuffer;
class CSound;
/// Sound names hash map
//typedef std::hash_map<std::string, CSound*> TSoundMap;
typedef CHashMap<NLMISC::TStringId, CSound*, NLMISC::CStringIdHashMapTraits> TSoundMap;
/// Sound names set (for ambiant sounds)
typedef std::set<CSound*> TSoundSet;
const double Sqrt12_2 = 1.0594630943592952645618252949463; // 2^1/12
/**
* A sound base class and its static properties
* \author Olivier Cado
* \author Nevrax France
* \date 2001
*/
class CSound
{
friend class CAudioMixerUser;
public:
/// Factory for specialized sound.
static CSound *createSound(const std::string &filename, NLGEORGES::UFormElm& formRoot);
enum TSOUND_TYPE
{
SOUND_SIMPLE,
SOUND_COMPLEX,
SOUND_BACKGROUND,
SOUND_CONTEXT,
SOUND_MUSIC,
SOUND_STREAM
};
/// Constructor
CSound();
/// Destructor
virtual ~CSound();
/// Get the type of the sound.
virtual TSOUND_TYPE getSoundType() =0;
/// Load the sound parameters from georges' form
virtual void importForm(const std::string& filename, NLGEORGES::UFormElm& formRoot);
/// Return the looping state
bool getLooping() const { return _Looping; }
/// Return the gain
float getGain() const { return _Gain; }
/// Return the pitch
float getPitch() const { return _Pitch; }
/// Return the initial priority
TSoundPriority getPriority() const { return _Priority; }
/// Return true if cone is meaningful
// virtual bool isDetailed() const = 0; // not used?
/// Return the inner angle of the cone
float getConeInnerAngle() const { return _ConeInnerAngle; }
/// Return the outer angle of the cone
float getConeOuterAngle() const { return _ConeOuterAngle; }
/// Return the outer gain of the cone
float getConeOuterGain() const { return _ConeOuterGain; }
/// Return the direction vector.
const NLMISC::CVector &getDirectionVector()const { return _Direction;}
/// Return the length of the sound in ms
virtual uint32 getDuration() = 0;
/// Return the name (must be unique)
const NLMISC::TStringId& getName() const { return _Name; }
/// Return the min distance (if detailed()) (default 1.0f if not implemented by sound type)
virtual float getMinDistance() const { return _MinDist; }
/// Return the max distance (if detailed())
virtual float getMaxDistance() const { return _MaxDist; }
/// Set looping
void setLooping( bool looping ) { _Looping = looping; }
/// Used by the george sound plugin to check sound recursion (ie sound 'toto' use sound 'titi' witch also use sound 'toto' ...).
virtual void getSubSoundList(std::vector<std::pair<std::string, CSound*> > &subsounds) const =0;
virtual void serial(NLMISC::IStream &s);
NLMISC::TStringId getUserVarControler() { return _UserVarControler; }
bool operator<( const CSound& otherSound ) const
{
return NLMISC::CStringMapper::unmap(_Name) < NLMISC::CStringMapper::unmap(otherSound._Name);
}
protected:
// Static properties
float _Gain; // [0,1]
float _Pitch; // ]0,1]
TSoundPriority _Priority;
float _ConeInnerAngle, _ConeOuterAngle, _ConeOuterGain;
NLMISC::CVector _Direction;
bool _Looping;
/// Distance to where the source is played at maximum volume. Used for stealing physical sources.
/// Note: for compatibility reasons, _MinDist is not serial()'ized here in CSound. _MaxDist is.
float _MinDist;
/// Clipping distance for complex or backgound sound.
float _MaxDist;
// Sound name.
NLMISC::TStringId _Name;
/// An optional user var controler.
NLMISC::TStringId _UserVarControler;
};
/**
* ESoundFileNotFound
*/
class ESoundFileNotFound : public NLMISC::Exception
{
public:
ESoundFileNotFound( const std::string filename ) :
NLMISC::Exception( (std::string("Sound file not found, or invalid file format: ")+filename).c_str() ) {}
};
} // NLSOUND
#endif // NL_SOUND_H
/* End of sound.h */