Files
l4d2-internal-base2/l4d2/utilities/memory/memory.h
2022-10-26 17:08:42 +08:00

47 lines
1.7 KiB
C++

#pragma once
namespace Hikari
{
struct Memory_t
{
Address_t FindPattern( ModuleInfo_t info, const char* pattern, bool relative = false ) const;
Address_t GetVTablePointer(ModuleInfo_t info, std::string table_name);
template < size_t Index >
static auto VirtualFunction( void* pInstance )
{
return ( *static_cast<uintptr_t**>( pInstance ) )[ Index ];
}
#ifdef WINDOWS
template < typename T, size_t Index, typename... Args >
constexpr T VirtualCall( void* pInstance, Args ... args )
{
using Fn = T(__thiscall*)( void*, decltype(args)... );
return reinterpret_cast<Fn>( VirtualFunction<Index>( pInstance ) )( pInstance, args... );
}
template < typename T, size_t Index, typename... Args >
constexpr T VirtualCallCdecl( void* pInstance, Args ... args )
{
using Fn = T(__cdecl*)( void*, decltype(args)... );
return ( reinterpret_cast<Fn>( VirtualFunction<Index>( pInstance ) ) )( pInstance, args... );
}
#else
template < typename T, size_t Index, typename... Args >
constexpr T VirtualCall(void* pInstance, Args ... args)
{
using Fn = T(*)(void*, decltype(args)...);
return reinterpret_cast<Fn>(VirtualFunction<Index>(pInstance))(pInstance, args...);
}
#endif
private:
static std::vector<int> PatternToBytes( const char* pattern );
static std::uintptr_t FindPattern( const std::uint8_t* data, std::size_t size, const std::vector<int>& pattern );
std::vector<Address_t> GetXrefsTo(uintptr_t address, uintptr_t start, uintptr_t size);
};
inline std::unique_ptr<Memory_t> Memory;
}