//-----------------------------------------------------------------------------
// V12 Engine
// 
// Copyright (c) 2001 GarageGames.Com
//-----------------------------------------------------------------------------

#ifndef _PLATFORMAL_H_
#define _PLATFORMAL_H_

#ifndef _PLATFORM_H_
#include "Platform/platform.h"
#endif
//#define AL_NO_PROTOTYPES
//#define ALC_NO_PROTOTYPES
//#define _LIB
//#include <al/al.h>
//#include <al/alc.h>
//#include <al/alut.h>

#include <al/altypes.h>
#include <al/alctypes.h>

#define AL_FUNCTION(fn_return,fn_name,fn_args, fn_value) extern fn_return (FN_CDECL *fn_name)fn_args;
#include <al/al_func.h>
#include <al/alc_func.h>
#undef AL_FUNCTION



/*
// extra enums for win32/miles implementation
enum {
   // error values
   AL_CONTEXT_ALREADY_INSTANTIATED = 0xbaadf00d,
   AL_ENVIRONMENT_ALREADY_INSTANTIATED,
   AL_UNSUPPORTED,
   AL_INVALID_BUFFER,
   AL_ERROR,

   // context extention
   ALC_PROVIDER,
   ALC_PROVIDER_COUNT,
   ALC_PROVIDER_NAME,
   ALC_SPEAKER,
   ALC_SPEAKER_COUNT,
   ALC_SPEAKER_NAME,
   ALC_BUFFER_DYNAMIC_MEMORY_SIZE,
   ALC_BUFFER_DYNAMIC_MEMORY_USAGE,
   ALC_BUFFER_DYNAMIC_COUNT,
   ALC_BUFFER_MEMORY_USAGE,
   ALC_BUFFER_COUNT,
   ALC_BUFFER_LATENCY,

   // misc 3d params
   AL_MIN_DISTANCE,
   AL_MAX_DISTANCE,
   AL_CONE_OUTER_GAIN,
   
   // relative with pos(0,0,0) won't work for ambient sounds with miles
   AL_SOURCE_AMBIENT,
   AL_PAN,
   
   // other extensions
   AL_BUFFER_KEEP_RESIDENT,
   AL_FORMAT_WAVE_EXT,

   // Environment extensions:
   AL_ENV_EFFECT_VOLUME_EXT,
   AL_ENV_FLAGS_EXT,
   AL_ENV_DAMPING_EXT,
   AL_ENV_ENVIRONMENT_SIZE_EXT,
   AL_ENV_ROOM_VOLUME_EXT,
};

enum {
   // sample level environment:
   AL_ENV_SAMPLE_REVERB_MIX_EXT = 0,
   AL_ENV_SAMPLE_DIRECT_EXT,
   AL_ENV_SAMPLE_DIRECT_HF_EXT,
   AL_ENV_SAMPLE_ROOM_EXT,
   AL_ENV_SAMPLE_ROOM_HF_EXT,
   AL_ENV_SAMPLE_OBSTRUCTION_EXT,
   AL_ENV_SAMPLE_OBSTRUCTION_LF_RATIO_EXT,
   AL_ENV_SAMPLE_OCCLUSION_EXT,
   AL_ENV_SAMPLE_OCCLUSION_LF_RATIO_EXT,
   AL_ENV_SAMPLE_OCCLUSION_ROOM_RATIO_EXT,
   AL_ENV_SAMPLE_ROOM_ROLLOFF_EXT,
   AL_ENV_SAMPLE_AIR_ABSORPTION_EXT,
   AL_ENV_SAMPLE_OUTSIDE_VOLUME_HF_EXT,
   AL_ENV_SAMPLE_FLAGS_EXT,

   AL_ENV_SAMPLE_COUNT,
};

// room types: same as miles/eax
enum {
    AL_ENVIRONMENT_GENERIC = 0,
    AL_ENVIRONMENT_PADDEDCELL,
    AL_ENVIRONMENT_ROOM,
    AL_ENVIRONMENT_BATHROOM,
    AL_ENVIRONMENT_LIVINGROOM,
    AL_ENVIRONMENT_STONEROOM,
    AL_ENVIRONMENT_AUDITORIUM,
    AL_ENVIRONMENT_CONCERTHALL,
    AL_ENVIRONMENT_CAVE,
    AL_ENVIRONMENT_ARENA,
    AL_ENVIRONMENT_HANGAR,
    AL_ENVIRONMENT_CARPETEDHALLWAY,
    AL_ENVIRONMENT_HALLWAY,
    AL_ENVIRONMENT_STONECORRIDOR,
    AL_ENVIRONMENT_ALLEY,
    AL_ENVIRONMENT_FOREST,
    AL_ENVIRONMENT_CITY,
    AL_ENVIRONMENT_MOUNTAINS,
    AL_ENVIRONMENT_QUARRY,
    AL_ENVIRONMENT_PLAIN,
    AL_ENVIRONMENT_PARKINGLOT,
    AL_ENVIRONMENT_SEWERPIPE,
    AL_ENVIRONMENT_UNDERWATER,
    AL_ENVIRONMENT_DRUGGED,
    AL_ENVIRONMENT_DIZZY,
    AL_ENVIRONMENT_PSYCHOTIC,

    AL_ENVIRONMENT_COUNT
};
*/

namespace Audio
{

//bool libraryInit();
//void libraryInitExtensions();
//void libraryShutdown();

//inline bool doesSupportIASIG()
//{
//   return gDoesSupport_AL_EXT_IASIG;
//}   

//inline bool doesSupportDynamix()
//{
//   return gDoesSupport_AL_EXT_DYNAMIX;
//}  


bool OpenALInit();
void OpenALShutdown();

bool OpenALDLLInit();
void OpenALDLLShutdown();

// special alx flags
#define AL_GAIN_LINEAR                  0xFF01

// helpers
F32 DBToLinear(F32 value);
F32 linearToDB(F32 value);

}  // end namespace Audio


#endif  // _H_PLATFORMAL_