//{future header message}
#ifndef __Singleton_H__
#define __Singleton_H__
#include "cocos2d.h"

template <class T>
class Singleton
{
public:
	static T *m_pInstance;

public:
	Singleton()
	{
		CCASSERT(m_pInstance == NULL, "");
		m_pInstance = static_cast< T * >(this);
	}

	~Singleton()
	{
		m_pInstance = 0;
	}

	static T &Instance()
	{
		if (m_pInstance == nullptr)
		{
			new T;
		}
		return *m_pInstance;
	}

	static T *getInstance()
	{
		return m_pInstance;
	}
};

#define SINGLETON_STORAGE( TYPE )						\
template <>													\
TYPE * Singleton< TYPE >::m_pInstance = 0;


template <class T>
class SingletonBase
{
public:
	static T *m_pInstanceBase;

public:
	SingletonBase()
	{
		CCASSERT(m_pInstanceBase == NULL, "");
		m_pInstanceBase = static_cast<T *>(this);
	}

	~SingletonBase()
	{
		m_pInstanceBase = 0;
	}

	static T &InstanceBase()
	{
		CCASSERT(m_pInstanceBase != NULL, "InstanceBase");
		return *m_pInstanceBase;
	}

	static T *getInstanceBase()
	{
		return m_pInstanceBase;
	}
};

#define SINGLETON_STORAGEBASE( TYPE )						\
	template <>													\
	TYPE * SingletonBase< TYPE >::m_pInstanceBase = 0;


#endif // __Singleton_H__