summaryrefslogtreecommitdiff
path: root/Runtime/Utilities/Singleton.h
blob: f864a42b6a835536c3097e1a37f744cfdece772d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
#ifndef SINGLETON_H
#define SINGLETON_H

template<class T>
class Singleton
{
public:

	static T* Instance()
	{
		if (!instance) instance = new T;
		return instance;
	}

	static void Destroy()
	{
		delete instance;
		instance = nullptr;
	}

protected:

	Singleton()
	{
		instance = static_cast<T*>(this);
	};

	virtual ~Singleton() {};

	static T* instance;

private:

	Singleton(const Singleton& singleton);

	Singleton& operator = (const Singleton& singleton);

};

template<class T>
T* Singleton<T>::instance = nullptr;

#endif