D:/work/nytro/include/audio/nyAudioProvider.h

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#ifndef __NYTRO_AudioProvider_H
#define __NYTRO_AudioProvider_H

//*****************************************************************************
// Nytro GameEngine
//
// © Copyright 7thFACTOR Entertainment
// All rights reserved
//*****************************************************************************

#include "system/nyCommon.h"
#include "system/nyProvider.h"
#include "math/nyMath.h"
#include "audio/nySoundSource.h"

namespace Nytro
{
    namespace Audio
    {
        class NYTRO_API AudioProvider : public Provider
        {
            public:

                enum AudioProviderClassId
                {
                    eClassId_SoundBuffer,
                    eClassId_SoundSource,
                    eClassId_SoundBlocker
                };

                AudioProvider();
                virtual ~AudioProvider();

                //
                // Setters
                //
                virtual void                setFrequency( int32 aValue );
                virtual void                setSoundBufferSize( int32 aValue );
                virtual void                setMaxChannels( int32 aValue );
                virtual void                setSoundListener( const Vector3D& rPos, const Vector3D& rVel, const Vector3D& rForward, const Vector3D& rTop );
                virtual void                setDistanceFactor( float32 aValue );
                virtual void                setDopplerFactor( float32 aValue );
                virtual void                setRolloffFactor( float32 aValue );
                virtual void                setDriver( int32 aIndex );
                virtual void                setOutput( int32 aIndex );

                //
                // Getters
                //
                virtual int32               getFrequency();
                virtual int32               getSoundBufferSize();
                virtual int32               getMaxChannels();
                virtual vector<string>&     getDrivers();
                virtual vector<string>&     getOutputs();
                virtual void                getSoundListener( Vector3D& rPos, Vector3D& rVel, Vector3D& rForward, Vector3D& rTop );
                virtual float32             getDistanceFactor();
                virtual float32             getDopplerFactor();
                virtual float32             getRolloffFactor();
                virtual float32             getCpuUsage();
                virtual int32               getDriver();
                virtual int32               getOutput();
                SoundSource*                getGameSoundTrack( const char* pName );
                SoundSource*                getCurrentGameSoundTrack();
                float32                     getGameSoundTrackCrossFadeSpeed();

                //
                // Actions
                //
                virtual void                updateSoundSystem();
                virtual void                stopAllSounds();
                virtual void                resumeAllSounds();
                virtual void                setGameSoundTrack( const char* pName, SoundSource* pNode );
                void                        changeGameSoundTrack( const char* pName );
                void                        stopGameSoundTrack( bool bFadeOut = true );
                void                        setGameSoundTrackCrossFadeSpeed( float32 aSpeed );
                void                        removeGameSoundTrack( const char* pName );
                void                        removeAllGameSoundTracks();

            protected:

                int32                       m_frequency;
                int32                       m_maxChannels;
                int32                       m_soundBufferSize;
                vector<string>              m_drivers;
                vector<string>              m_outputs;
                int32                       m_currentDriver, m_currentOutput;
                map<string,SoundSource*>    m_gameSoundTracks;
                float32                     m_gameSoundTrackCrossFadeTimer, m_gameSoundTrackCrossFadeSpeed;
                bool                        m_bIsCrossFadingGameSoundTrack;
                string                      m_currentGameSoundTrack, m_nextGameSoundTrack;
        };
    };
};

#endif