use native api instead of standard winapi

fix update_offsets.py
add multiprocessor compilations
change linking method

memory-external/memory-external.vcxproj

@@ -177,12 +177,14 @@
       <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <LanguageStandard>stdcpp20</LanguageStandard>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
-      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
       <AdditionalDependencies>gdiplus.lib;wininet.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
@@ -195,12 +197,14 @@
       <PreprocessorDefinitions>NDEBUG;_UC;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <LanguageStandard>stdcpp20</LanguageStandard>
+      <RuntimeLibrary>MultiThreaded</RuntimeLibrary>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
       <EnableCOMDATFolding>true</EnableCOMDATFolding>
       <OptimizeReferences>true</OptimizeReferences>
-      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <GenerateDebugInformation>false</GenerateDebugInformation>
       <AdditionalDependencies>gdiplus.lib;wininet.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>

memory-external/memory/memory.hpp

@@ -9,6 +9,21 @@
 #include <iostream>
 #include <Psapi.h> 
 
+typedef NTSTATUS(WINAPI* pNtReadVirtualMemory)(HANDLE ProcessHandle, PVOID BaseAddress, PVOID Buffer, ULONG NumberOfBytesToRead, PULONG NumberOfBytesRead);
+typedef NTSTATUS(WINAPI* pNtWriteVirtualMemory)(HANDLE ProcessHandle, PVOID BaseAddress, PVOID Buffer, ULONG NumberOfBytesToWrite, PULONG NumberOfBytesWritten);
+
+class pMemory {
+
+public:
+	pMemory() {
+		pfnNtReadVirtualMemory = (pNtReadVirtualMemory)GetProcAddress(GetModuleHandleA("ntdll.dll"), "NtReadVirtualMemory");
+		pfnNtWriteVirtualMemory = (pNtWriteVirtualMemory)GetProcAddress(GetModuleHandleA("ntdll.dll"), "NtWriteVirtualMemory");
+	}
+
+	pNtReadVirtualMemory pfnNtReadVirtualMemory;
+	pNtWriteVirtualMemory pfnNtWriteVirtualMemory;
+};
+
 struct ProcessModule
 {
 	uintptr_t base, size;
@@ -50,7 +65,9 @@ public:
 	bool read_raw(uintptr_t address, void* buffer, size_t size)
 	{
 		SIZE_T bytesRead;
-		if (ReadProcessMemory(this->handle_, reinterpret_cast<LPCVOID>(address), buffer, size, &bytesRead))
+		pMemory cMemory;
+
+		if (cMemory.pfnNtReadVirtualMemory(this->handle_, (PVOID)(address), buffer, static_cast<ULONG>(size), (PULONG)&bytesRead))
 		{
 			return bytesRead == size;
 		}
@@ -60,20 +77,24 @@ public:
 	template<class T>
 	void write(uintptr_t address, T value)
 	{
-		WriteProcessMemory(handle_, (void*)address, &value, sizeof(T), 0);
+		pMemory cMemory;
+		cMemory.pfnNtWriteVirtualMemory(handle_, (void*)address, &value, sizeof(T), 0);
 	}
 
 	template<class T>
 	T read(uintptr_t address)
 	{
 		T buffer{};
-		ReadProcessMemory(handle_, (void*)address, &buffer, sizeof(T), 0);
+		pMemory cMemory;
+
+		cMemory.pfnNtReadVirtualMemory(handle_, (void*)address, &buffer, sizeof(T), 0);
 		return buffer;
 	}
 
 	void write_bytes(uintptr_t addr, std::vector<uint8_t> patch)
 	{
-		WriteProcessMemory(handle_, (void*)addr, &patch[0], patch.size(), 0);
+		pMemory cMemory;
+		cMemory.pfnNtWriteVirtualMemory(handle_, (void*)addr, &patch[0], patch.size(), 0);
 	}
 
 	uintptr_t read_multi_address(uintptr_t ptr, std::vector<uintptr_t> offsets)

offsets/update_offsets.py

@@ -5,7 +5,7 @@ import re
 
 source_url = "https://github.com/a2x/cs2-dumper/raw/main/generated/offsets.json"
 commits_url = "https://api.github.com/repos/a2x/cs2-dumper/commits"
-dest_path = "./offsets/offsets.json"
+dest_path = "./offsets.json"
 
 # Fetch the source JSON
 source_response = requests.get(source_url)
@@ -33,12 +33,12 @@ if dest_data["build_number"] == int(build_number):
 
 dest_data["build_number"] = int(build_number)
 
-dest_data["dwBuildNumber"] = source_data["Engine2Dll"]["data"]["dwBuildNumber"]["value"]
+dest_data["dwBuildNumber"] = source_data["engine_2dll"]["data"]["dwBuildNumber"]["value"]
-dest_data["dwLocalPlayer"] = source_data["ClientDll"]["data"]["dwLocalPlayerPawn"]["value"]
+dest_data["dwLocalPlayer"] = source_data["client_dll"]["data"]["dwLocalPlayerPawn"]["value"]
-dest_data["dwEntityList"] = source_data["ClientDll"]["data"]["dwEntityList"]["value"]
+dest_data["dwEntityList"] = source_data["client_dll"]["data"]["dwEntityList"]["value"]
-dest_data["dwViewMatrix"] = source_data["ClientDll"]["data"]["dwViewMatrix"]["value"]
+dest_data["dwViewMatrix"] = source_data["client_dll"]["data"]["dwViewMatrix"]["value"]
 
 with open(dest_path, 'w') as dest_file:
     json.dump(dest_data, dest_file, indent=4)
 
-print("Offsets updated in the local file.") # We dont exit so we know that the game has been updated and that we have to commit the new offsets
+print("Offsets updated in the local file.") # We dont exit so we know that the game has been updated and that we have to commit the new offsets