mirror of
https://github.com/zeldaret/ss
synced 2026-05-23 15:01:38 -04:00
elijah-thomas774
56 lines
4.8 KiB
C++
56 lines
4.8 KiB
C++
#ifndef EGG_CORE_SINGLETON_H
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#define EGG_CORE_SINGLETON_H
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#include "egg/core/eggDisposer.h"
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#include "egg/prim/eggAssert.h"
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/**
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* @brief Declares functions and data for a disposable singleton class
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*/
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#define EGG_SINGLETON_DECL(T) \
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protected: \
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class T__Disposer : public EGG::Disposer { \
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public: \
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virtual ~T__Disposer(); /* at 0x8 */ \
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static T__Disposer *sStaticDisposer; \
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}; \
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\
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T__Disposer mDisposer; \
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\
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public: \
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static T *createInstance(); \
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static void deleteInstance(); \
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\
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static T *instance() { \
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return sInstance; \
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} \
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\
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protected: \
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static T *sInstance;
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/**
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* @brief Defines functions and data for a disposable singleton class
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*/
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#define EGG_SINGLETON_IMPL(T) \
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T::T__Disposer::~T__Disposer() { \
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T::deleteInstance(); \
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} \
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\
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T *T::createInstance() { \
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if (sInstance == NULL) { \
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sInstance = new T(); \
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} else { \
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EGG_ASSERT_MSG(false, "Create Singleton Twice (%s) : addr %x\n", #T, sInstance); \
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} \
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\
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return sInstance; \
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} \
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\
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void T::deleteInstance() { \
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sInstance = NULL; \
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} \
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\
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T *T::sInstance = NULL;
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#endif
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