base_singleton.h

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#pragma once
#error "This is shit, do not include pls";
 
//----------------------------------------------------------------------------
// DECLARATIONs
//----------------------------------------------------------------------------
 
#define DECLARE_SINGLETON(CLASSNAME) \
\
public: \
    static CLASSNAME* instance(); \
    static void destroy(); \
\
protected: \
    CLASSNAME(); \
    ~CLASSNAME(); \
\
private: \
    static CLASSNAME* _instance;
 
 
 
#define DEFINE_SINGLETON(CLASSNAME) \
    CLASSNAME* CLASSNAME::_instance = nullptr; \
\
    CLASSNAME* CLASSNAME::instance() \
    { \
        if (!_instance) \
        { \
            _instance = new CLASSNAME; \
        } \
        return _instance; \
    } \
\
    void CLASSNAME::destroy() \
    { \
        delete _instance; \
        _instance = nullptr; \
    }