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NMF_Memory.h
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#pragma once
#include <map>
#include <stdint.h>
#include <vector>
#ifndef NMF_VERSION
#include "NMF.h"
#endif
namespace NMF
{
class MemoryManager;
NMF_EXTENDED_EXPORT void* operator"" _addr(uint64_t address);
NMF_EXTENDED_EXPORT void* operator"" _rva(uint64_t address);
#pragma region Function Wrappers
template<typename RetType, typename... Args>
class StdGameFunction
{
public:
using FuncType = RetType(__stdcall*)(Args...);
NMF_DELETE_ALL_INIT(StdGameFunction);
StdGameFunction(void* gameAddress)
: Address(static_cast<FuncType>(gameAddress))
{
}
FuncType get() const
{
return Address;
}
RetType operator()(Args... args) const
{
return Address(args...);
}
private:
FuncType Address;
};
template<typename RetType, typename... Args>
class ThisGameFunction
{
public:
using FuncType = RetType(__thiscall*)(Args...);
NMF_DELETE_ALL_INIT(ThisGameFunction);
ThisGameFunction(void* gameAddress)
: Address(static_cast<FuncType>(gameAddress))
{
}
FuncType get() const
{
return Address;
}
RetType operator()(Args... args) const
{
return Address(args...);
}
private:
FuncType Address;
};
template<typename RetType, typename... Args>
class CdeclGameFunction
{
public:
using FuncType = RetType(__cdecl*)(Args...);
NMF_DELETE_ALL_INIT(CdeclGameFunction);
CdeclGameFunction(void* gameAddress)
: Address(static_cast<FuncType>(gameAddress))
{
}
FuncType get() const
{
return Address;
}
RetType operator()(Args... args) const
{
return Address(args...);
}
private:
FuncType Address;
};
template<typename RetType, typename... Args>
class FastGameFunction
{
public:
using FuncType = RetType(__fastcall*)(Args...);
NMF_DELETE_ALL_INIT(FastGameFunction);
FastGameFunction(void* gameAddress)
: Address(static_cast<FuncType>(gameAddress))
{
}
FuncType get() const
{
return Address;
}
RetType operator()(Args... args) const
{
return Address(args...);
}
private:
FuncType Address;
};
#pragma endregion
#pragma region Global Data Wrappers
template <typename T>
class GlobalPtr
{
T** Address;
public:
inline GlobalPtr(void* gameAddress)
: Address(static_cast<T**>(gameAddress))
{
}
inline T* operator->() const
{
return *Address;
}
inline T* operator*() const
{
return *Address;
}
inline T** GetGlobalPtr() const
{
return Address;
}
inline T* get() const
{
return *Address;
}
inline operator T* () const
{
return *Address;
}
inline operator bool() const
{
return *Address != nullptr;
}
};
template <typename T, int Size>
class GlobalPtrArray
{
T** Address;
public:
inline GlobalPtrArray(void* gameAddress)
: Address(static_cast<T**>(gameAddress))
{
}
inline T** GetGlobalPtr() const
{
return Address;
}
inline T*& operator[](int index) const
{
return *(Address + index);
}
};
template <typename T>
class GlobalValue
{
T* Address;
public:
inline GlobalValue(void* gameAddress)
: Address(static_cast<T*>(gameAddress))
{
}
inline T* GetGlobalPtr() const
{
return Address;
}
inline T& get() const
{
return *Address;
}
inline T* operator->() const
{
return Address;
}
inline T& operator*() const
{
return *Address;
}
inline operator T& () const
{
return *Address;
}
};
template <typename T, int Size>
class GlobalValueArray
{
T* Address;
public:
inline GlobalValueArray(void* gameAddress)
: Address(static_cast<T*>(gameAddress))
{
}
inline T* GetGlobalPtr() const
{
return Address;
}
inline T& operator[](int index) const
{
return *(Address + index);
}
};
#pragma endregion
#pragma region Hook & Patch
class NMF_EXTENDED_EXPORT Hook
{
friend class MemoryManager;
Hook(void* gameAddress, void* hookFunc);
~Hook();
public:
Hook(Hook&&) = default;
Hook& operator=(Hook&&) = default;
Hook(const Hook&) = delete;
Hook& operator=(const Hook&) = delete;
bool Apply();
bool Remove();
template <typename F>
F GetOriginalFunction() const { return reinterpret_cast<F>(OriginalFunc); }
private:
void* Address;
void* OriginalFunc;
void* HookFunc;
uint8_t Attached;
};
class NMF_EXTENDED_EXPORT Patch
{
friend class MemoryManager;
Patch(void* gameAddress, const void* data, size_t size);
~Patch();
public:
Patch(Patch&&) = default;
Patch& operator=(Patch&&) = default;
Patch(const Patch&) = delete;
Patch& operator=(const Patch&) = delete;
bool Apply();
bool Remove();
private:
void* Address;
void* Data;
void* OriginalData;
size_t Size;
};
#pragma endregion
#pragma region MemoryManager
class NMF_EXPORT MemoryManager final
{
public:
static void Setup();
static void Teardown();
static Hook* CreateHook(void* gameAddress, void* hookFunc);
static Hook* CreateAndApplyHook(void* gameAddress, void* hookFunc);
static Patch* CreatePatch(void* gameAddress, const void* data, size_t size);
static Patch* CreatePatch(void* gameAddress, std::initializer_list<uint8_t> data);
static Patch* CreateAndApplyPatch(void* gameAddress, const void* data, size_t size);
static Patch* CreateAndApplyPatch(void* gameAddress, std::initializer_list<uint8_t> data);
static Patch* NopMemory(void* gameAddress, size_t size);
private:
#ifdef NMF_USE_LOGGING
static Logger Logger;
#endif
#pragma warning(disable: 4251)
static std::map<uint64_t, Hook*> Hooks;
static std::vector<Patch*> Patches;
#pragma warning(default: 4251)
};
#pragma endregion
}