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omath/include/omath/rev_eng/internal_rev_object.hpp
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2025-11-01 13:39:13 +03:00

50 lines
1.7 KiB
C++

//
// Created by Vlad on 8/8/2025.
//
#pragma once
#include <cstddef>
#include <cstdint>
namespace omath::rev_eng
{
class InternalReverseEngineeredObject
{
protected:
template<class Type>
[[nodiscard]] Type& get_by_offset(const std::ptrdiff_t offset)
{
return *reinterpret_cast<Type*>(reinterpret_cast<std::uintptr_t>(this) + offset);
}
template<class Type>
[[nodiscard]] const Type& get_by_offset(const std::ptrdiff_t offset) const
{
return *reinterpret_cast<Type*>(reinterpret_cast<std::uintptr_t>(this) + offset);
}
template<std::size_t id, class ReturnType, class... Args>
ReturnType call_virtual_method(Args&&... arg_list)
{
#ifdef _MSC_VER
using VirtualMethodType = ReturnType(__thiscall*)(void*, decltype(arg_list)...);
#else
using VirtualMethodType = ReturnType (*)(void*, decltype(arg_list)...);
#endif
return (*reinterpret_cast<VirtualMethodType**>(this))[id](this, std::forward<Args>(arg_list)...);
}
template<std::size_t id, class ReturnType, class... Args>
ReturnType call_virtual_method(Args&&... arg_list) const
{
using This = std::remove_cv_t<std::remove_pointer_t<decltype(this)>>;
#ifdef _MSC_VER
using VirtualMethodType = ReturnType(__thiscall*)(const void*, decltype(arg_list)...);
#else
using VirtualMethodType = ReturnType (*)(void*, decltype(arg_list)...);
#endif
return (*reinterpret_cast<VirtualMethodType**>(const_cast<This*>(this)))[id](
const_cast<void*>(static_cast<const void*>(this)), std::forward<Args>(arg_list)...);
}
};
} // namespace omath::rev_eng