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https://github.com/geode-sdk/geode.git
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90 lines
4.5 KiB
C++
90 lines
4.5 KiB
C++
#include <type_traits>
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/**
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* Main class implementation, it has the structure
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*
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* class hook0Dummy;
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* template<typename>
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* struct hook0 {};
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* namespace {
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* struct hook0Parent {};
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* Modify<hook0<hook0Parent>, MenuLayer> hook0Apply;
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* struct GEODE_HIDDEN hook0Intermediate: public MenuLayer {
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* geode::modifier::FieldIntermediate<MenuLayer,
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* hook0<hook0Intermediate>, hook0<hook0Parent>
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* > m_fields;
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* };
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* }
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* template<>
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* struct GEODE_HIDDEN hook0<hook0Parent>: hook0Intermediate {
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* // code stuff idk
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* };
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*
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* I tried to make the macro as verbose as it can be but
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* I am bad at this stuff
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*/
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#define GEODE_MODIFY_DECLARE_ANONYMOUS(base, derived) \
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derived##Dummy; \
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template <class> \
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struct derived {}; \
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namespace { \
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struct derived##Parent {}; \
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Modify<derived<derived##Parent>, base> derived##Apply; \
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struct GEODE_HIDDEN derived##Intermediate : base { \
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mutable geode::modifier::FieldIntermediate< \
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base, derived##Intermediate, derived<derived##Parent>> \
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m_fields; \
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}; \
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} \
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template <> \
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struct GEODE_HIDDEN derived<derived##Parent> : derived##Intermediate
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#define GEODE_MODIFY_DECLARE(base, derived) \
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derived##Dummy; \
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struct derived; \
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namespace { \
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Modify<derived, base> derived##Apply; \
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struct GEODE_HIDDEN derived##Intermediate : base { \
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mutable geode::modifier::FieldIntermediate<base, derived##Intermediate, derived> \
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m_fields; \
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}; \
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} \
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struct GEODE_HIDDEN derived : derived##Intermediate
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#define GEODE_MODIFY_REDIRECT4(base, derived) GEODE_MODIFY_DECLARE(base, derived)
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#define GEODE_MODIFY_REDIRECT3(base, derived) GEODE_MODIFY_DECLARE_ANONYMOUS(base, derived)
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#define GEODE_MODIFY_REDIRECT2(base) GEODE_MODIFY_REDIRECT3(base, GEODE_CONCAT(hook, __LINE__))
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#define GEODE_MODIFY_REDIRECT1(base) GEODE_MODIFY_REDIRECT2(base)
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/**
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* Interfaces for the class implementation
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*
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* class $modify(MenuLayer) {};
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* class $modify(MyMenuLayerInterface, MenuLayer) {};
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*/
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#define GEODE_CRTP1(base) GEODE_MODIFY_REDIRECT1(base)
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#define GEODE_CRTP2(derived, base) GEODE_MODIFY_REDIRECT4(base, derived)
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#define $modify(...) \
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GEODE_INVOKE(GEODE_CONCAT(GEODE_CRTP, GEODE_NUMBER_OF_ARGS(__VA_ARGS__)), __VA_ARGS__)
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#define $(...) $modify(__VA_ARGS__)
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/**
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* Get current hook class without needing to name it.
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* Useful for callbacks
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*/
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#define $cls std::remove_pointer<decltype(this)>::type
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#define GEODE_EXECUTE_FUNC(Line_) \
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template <class> \
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void _##Line_##Function(); \
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namespace { \
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struct _##Line_##Unique {}; \
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} \
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static inline auto _line = \
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(Loader::get()->scheduleOnModLoad(nullptr, &_##Line_##Function<_##Line_##Unique>), 0); \
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template <class> \
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void _##Line_##Function()
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#define $execute GEODE_EXECUTE_FUNC(__LINE__)
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