Singleton.h

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/*
Olympe Engine V2 2025
Nicolas Chereau
nchereau@gmail.com
 
Purpose:
- Singleton design pattern implementation.
- Ensures a class has only one instance and provides a global point of access to it.
- Base Singleton marker class (no instance managed here).
- Individual derived classes should implement their own GetInstance()/Get() methods.
 
*/
 
 
/*
* DEPRECATED : Use Object with ObjectType::Singleton instead.
 
#pragma once
#include <string>
 
struct Message;
 
class Singleton
{
public:
    Singleton() = default;
    virtual ~Singleton() = default;
 
    virtual void Process() {};
    virtual void Render() {};
    virtual void OnEvent(const Message&) {};
 
    std::string name = "unnamed singleton";
};
 
*/