//-----------------------------------------------------------------------------
// Copyright (c) 2012 GarageGames, LLC
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//-----------------------------------------------------------------------------

#ifndef _SFXALDEVICE_H_
#define _SFXALDEVICE_H_

#ifndef _SFXDEVICE_H_
#  include "sfx/sfxDevice.h"
#endif

#ifndef _SFXPROVIDER_H_
#  include "sfx/sfxProvider.h"
#endif

#ifndef _SFXALBUFFER_H_
#  include "sfx/openal/sfxALBuffer.h"
#endif

#ifndef _SFXALVOICE_H_
#  include "sfx/openal/sfxALVoice.h"
#endif

#ifndef _OPENALFNTABLE
#  include "sfx/openal/LoadOAL.h"
#endif

#ifndef _SFXSYSTEM_H_
#include "sfx/sfxSystem.h"
#endif

class SFXALDevice : public SFXDevice
{
private:
   void _initExtensions();
   void _initEFX();
   void _probeEFXEffectCaps();
public:

   typedef SFXDevice Parent;
   friend class SFXALVoice; // mDistanceFactor, mRolloffFactor

   static SFXDevice* createInstance(U32 adapterIndex);

   void printALInfo(ALCdevice* device);
   S32 getMaxSources();
   
   // Compatibility with pre openal 1.2
   S32 getMaxSourcesOld();

   SFXALDevice(U32 providerIndex);

   virtual ~SFXALDevice();

protected:
   static SFXProvider::CreateProviderInstanceDelegate mCreateDeviceInstance;
   OPENALFNTABLE mOpenAL;

   ALCcontext *mContext;

   ALCdevice *mDevice;
      
   SFXDistanceModel mDistanceModel;
   F32 mDistanceFactor;
   F32 mRolloffFactor;
   F32 mUserRolloffFactor;

   ALuint mEffect;
   ALuint mAuxSlot;
   bool mHasEFX;
   bool mHasSoftHRTF;
   bool mHasSoftReopen;

   void _setRolloffFactor( F32 factor );

public:
   static void enumerateProviders(Vector<SFXProvider*>& providerList);
   // SFXDevice.
   SFXBuffer* createBuffer( const ThreadSafeRef< SFXStream >& stream, SFXDescription* description ) override;
   SFXVoice* createVoice( bool is3D, SFXBuffer *buffer ) override;
   void setListener( U32 index, const SFXListenerProperties& listener ) override;
   void setDistanceModel( SFXDistanceModel model ) override;
   void setDopplerFactor( F32 factor ) override;
   void setReverb(const SFXReverbProperties& reverb) override;
   void setRolloffFactor( F32 factor ) override;
   void resetReverb() override {}
   void setSpeedOfSound(F32 speedOfSound) override;
   bool isDeviceConnected() override;
   bool reconnectDevice(U32 providerIndex) override;

   ALuint getDeviceAuxSlot() { return mAuxSlot; }
};

#endif // _SFXALDEVICE_H_