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https://github.com/geode-sdk/geode.git
synced 2024-11-23 07:57:51 -05:00
75 lines
3.2 KiB
C++
75 lines
3.2 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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* }
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* template<>
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* struct GEODE_HIDDEN hook0<hook0Parent> : Modify<hook0<hook0Parent>, MenuLayer> {
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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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} \
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template <> \
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struct GEODE_HIDDEN derived<derived##Parent> : geode::Modify<derived<derived##Parent>, base>
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#define GEODE_MODIFY_DECLARE(base, derived) \
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derived##Dummy; \
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struct GEODE_HIDDEN derived : geode::Modify<derived, base>
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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_ONLY_FIELD(type, field_, default_) private: field<type> field_ = default_; public:
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#define GEODE_INTERNAL_FIELD(type, field, name) inline type& name() { return this->*field; }
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//#define GEODE_EXTERNAL_FIELD(type, field, name) static inline type& name##From(void* self) { return reinterpret_cast<decltype(this)>(self)->*field; }
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#define GEODE_FIELD(type, field, name, default_) GEODE_ONLY_FIELD(type, field, default_) GEODE_INTERNAL_FIELD(type, field, name) //GEODE_EXTERNAL_FIELD(type, field, name)
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#define $execute \
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template<class> \
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void GEODE_CONCAT(geodeExecFunction, __LINE__)(); \
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namespace { \
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struct GEODE_CONCAT(ExecFuncUnique, __LINE__) {}; \
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} \
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static inline auto GEODE_CONCAT(Exec, __LINE__) = (Loader::get()->scheduleOnModLoad(\
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nullptr, &GEODE_CONCAT(geodeExecFunction, __LINE__)<GEODE_CONCAT(ExecFuncUnique, __LINE__)> \
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), 0); \
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template<class> \
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void GEODE_CONCAT(geodeExecFunction, __LINE__)()
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