C:/Users/Marc/Desktop/Phystank/trunk/src/sound/XAudio2AudioSystem.h

//This file is part of PhysTank.
//
//PhysTank 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 3 of the License, or
//(at your option) any later version.
//
//PhysTank 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 PhysTank.  If not, see <http://www.gnu.org/licenses/>.
//
// © Marc Johnson, 2009

#ifndef _XAUDIO2AUDIOSYSTEM_
#define _XAUDIO2AUDIOSYSTEM_

#include <map>
#include <vector>
#include <xaudio2.h>

#include "sound/AbstractAudioSystem.h"

class XAudio2AudioSystem : public AbstractAudioSystem
{
        friend class XAudio2SoundEffect;
        friend class VoiceCallback;
private:
        typedef std::map<IXAudio2SourceVoice*, XAudio2SoundEffect*> SourceVoiceMap;
        IXAudio2* m_pXAudio2;

        IXAudio2MasteringVoice* m_pMasterVoice;

        SourceVoiceMap m_sourceVoices;
        std::vector<VoiceCallback*> m_callbacks;
        IXAudio2SourceVoice* GetFreeVoice(XAudio2SoundEffect* pSF);
public:
        XAudio2AudioSystem();
        virtual ~XAudio2AudioSystem();

        virtual bool Initialize(const Settings& settings);
        virtual void Shutdown();

        virtual void StopAllSounds();
        virtual void ResumeAllSounds();

        virtual void SetVolume(const int nVolume);
        virtual int GetVolume() const;

        virtual AbstractSoundEffectPtr CreateSoundEffect(SoundResourceHandlePtr pSoundResourceHandle);
        virtual void DestroySoundEffect(AbstractSoundEffectPtr pEffect) { }
        
};

#endif

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