#include <conio.h>
#include <stdlib.h>
#include <iostream>
#include <string.h>
#include <al/al.h>
#include <al/alc.h>
#include <al/alut.h>

class cAudio {
  ALuint Buffer;
  ALuint Source;
  char song[50];
public:

void a2dLoad();
void a2dPlay();
void aKill();

};


void cAudio::a2dLoad(char song)
{
  alutInit(NULL, 0);
  alGetError();  

  ALfloat SourcePos[] = { 0.0, 0.0, 0.0 };

  ALfloat SourceVel[] = { 0.0, 0.0, 0.0 };

  ALfloat ListenerPos[] = { 0.0, 0.0, 0.0 };

  ALfloat ListenerVel[] = { 0.0, 0.0, 0.0 };
  
  ALfloat ListenerOri[] = { 0.0, 0.0, -1.0,  0.0, 1.0, 0.0 };
  
  ALenum format;
  ALsizei size;
  ALvoid* data;
  ALsizei freq;
  ALboolean loop;
  
  alGenBuffers(1, &Buffer);
  alutLoadWAVFile(song, &format, &data, &size, &freq, &loop);
  alBufferData(Buffer, format, data, size, freq);
  alutUnloadWAV(format, data, size, freq);
  
  alGenSources(1, &Source);
	 
  alSourcei (Source,  AL_BUFFER,     Buffer     );
  alSourcef (Source,  AL_PITCH,      1.0        );
  alSourcef (Source,  AL_GAIN,       1.0        );
  alSourcefv(Source,  AL_POSITION,   SourcePos  );
  alSourcefv(Source,  AL_VELOCITY,   SourceVel  );
  alSourcei (Source,  AL_LOOPING,    loop       );

  alListenerfv(AL_POSITION,    ListenerPos);
  alListenerfv(AL_VELOCITY,    ListenerVel);
  alListenerfv(AL_ORIENTATION, ListenerOri);

}

void cAudio::a2dPlay()
{
  alSourcePlay(Source);
}

void cAudio::aKill()
{
   alDeleteBuffers(1, &Buffer);
   alDeleteSources(1, &Source);
   alutExit();
}