Singleton.h

#ifndef SINGLETON_H
#define SINGLETON_H

template <class T>
class Singleton
{
public :
	inline static T& getInstance() {
		if (!s_pInstance)
			s_pInstance = new T;

		return *s_pInstance;
	}

	inline static void DestroyInstance() {
		if(s_pInstance) delete s_pInstance;
		s_pInstance = 0;
	}

protected :
	Singleton() {}
	~Singleton() {}

private :
	static T* s_pInstance;	// Instance de la classe

	Singleton(Singleton&);
	void operator =(Singleton&);
};


template <class T> T* Singleton<T>::s_pInstance = 0;

#define SINGLETON_BEGIN(class_name) \
	class class_name : public Singleton<class_name> { \
		friend class Singleton<class_name>;

#define SINGLETON_END() };

#endif // SINGLETON_H