#include <iostream>

using namespace std;

class Sound{};

class SoundManager
{
static SoundManager * instance;
static int numberOfInstances;

Sound * sounds;
int numberOfSounds;
SoundManager()
{
sounds = new Sound[]; // ARRAY DINAMIC DE SUNETE
numberOfSounds = 0;
};
public:
~SoundManager(){ numberOfInstances -- ; /*DACA DISTRUGEM O INSTANTA DECREMENTAM SI NUMARUL REFERINTELOR*/};
static SoundManager * getInstance();
void addSound(Sound sound);
int howManySounds();
int howManyInstances();
};

int SoundManager::numberOfInstances = 0; // INITIALIZAM NUMARUL DE INSTANTE CU 0
SoundManager* SoundManager::instance = NULL; // SETAM INSTANTA PE NULL

SoundManager * SoundManager::getInstance()
{
if(numberOfInstances == 0) // DACA NU EXISTA NICI O INSTANTA A ACESTEI CLASA  ...
instance = new SoundManager(); // O CREAM NU ? :)

numberOfInstances ++ ; // INCREMENTAM NUMARUL DE INSTANTE
return instance;
}
// .. RESTUL E ISTORIE
void SoundManager::addSound(Sound sound)
{
cout << " - added sound - " << endl;
sounds[numberOfSounds++] = sound;
}

int SoundManager::howManySounds()
{
return numberOfSounds;
}

int SoundManager::howManyInstances()
{
return numberOfInstances;
}
int main()
{
SoundManager *s1, *s2;
Sound s,a,b,c;
s1 = SoundManager::getInstance();
s2 = SoundManager::getInstance();

s1->addSound(s);
s1->addSound(a);
s1->addSound(b);
s1->addSound(c);

cout << " numar instante " << s1->howManyInstances() << endl;

cout << s2->howManySounds() << endl; // rezulta 4 sunete
cout << s1->howManySounds() << endl; // tot 4 sunete existand o singura instanta ( cum s-ar veni SINGLETON)

// mi fac inca o instanta ...
SoundManager *lastInstance = SoundManager::getInstance();
cout << lastInstance->howManySounds() << endl; // yep tot 4 sunete :)

cout << " numar instante " << lastInstance->howManyInstances() << endl;

return 0;
}