8 files changed, 405 insertions, 0 deletions
diff --git a/loader_launcher_proxy/Memory.cpp b/loader_launcher_proxy/Memory.cpp
new file mode 100644
index 00000000..6c69d80f
--- /dev/null
+++ b/loader_launcher_proxy/Memory.cpp
@@ -0,0 +1,59 @@
+#include "pch.h"
+
+extern HMODULE hTier0Module;
+IMemAlloc** g_ppMemAllocSingleton;
+
+void LoadTier0Handle()
+{
+    if (!hTier0Module) hTier0Module = GetModuleHandleA("tier0.dll");
+    if (!hTier0Module) return;
+
+    g_ppMemAllocSingleton = (IMemAlloc**)GetProcAddress(hTier0Module, "g_pMemAllocSingleton");
+}
+
+const int STATIC_ALLOC_SIZE = 4096;
+
+size_t g_iStaticAllocated = 0;
+char pStaticAllocBuf[STATIC_ALLOC_SIZE];
+
+// they should never be used here, except in LibraryLoadError?
+
+void* malloc(size_t n)
+{
+    // allocate into static buffer
+    if (g_iStaticAllocated + n <= STATIC_ALLOC_SIZE)
+    {
+        void* ret = pStaticAllocBuf + g_iStaticAllocated;
+        g_iStaticAllocated += n;
+        return ret;
+    }
+    else
+    {
+        // try to fallback to g_pMemAllocSingleton
+        if (!hTier0Module || !g_ppMemAllocSingleton) LoadTier0Handle();
+        if (g_ppMemAllocSingleton && *g_ppMemAllocSingleton)
+            return (*g_ppMemAllocSingleton)->m_vtable->Alloc(*g_ppMemAllocSingleton, n);
+        else
+            throw "Cannot allocate";
+    }
+}
+
+void free(void* p)
+{
+    // if it was allocated into the static buffer, just do nothing, safest way to deal with it
+    if (p >= pStaticAllocBuf && p <= pStaticAllocBuf + STATIC_ALLOC_SIZE)
+        return;
+
+    if (g_ppMemAllocSingleton && *g_ppMemAllocSingleton)
+        (*g_ppMemAllocSingleton)->m_vtable->Free(*g_ppMemAllocSingleton, p);
+}
+
+void* operator new(size_t n)
+{
+    return malloc(n);
+}
+
+void operator delete(void* p)
+{
+    return free(p);
+}
diff --git a/loader_launcher_proxy/Memory.h b/loader_launcher_proxy/Memory.h
new file mode 100644
index 00000000..928e403c
--- /dev/null
+++ b/loader_launcher_proxy/Memory.h
@@ -0,0 +1,15 @@
+#pragma once
+
+class IMemAlloc
+{
+public:
+    struct VTable
+    {
+        void* unknown[1];
+        void* (*Alloc) (IMemAlloc* memAlloc, size_t nSize);
+        void* unknown2[3];
+        void(*Free) (IMemAlloc* memAlloc, void* pMem);
+    };
+
+    VTable* m_vtable;
+};
diff --git a/loader_launcher_proxy/dllmain.cpp b/loader_launcher_proxy/dllmain.cpp
new file mode 100644
index 00000000..7a778208
--- /dev/null
+++ b/loader_launcher_proxy/dllmain.cpp
@@ -0,0 +1,158 @@
+#include "pch.h"
+#include <stdio.h>
+#include <string>
+#include <system_error>
+#include <Shlwapi.h>
+#include <sstream>
+#include <fstream>
+
+HMODULE hLauncherModule;
+HMODULE hHookModule;
+HMODULE hTier0Module;
+
+using CreateInterfaceFn = void* (*)(const char* pName, int* pReturnCode);
+
+// does not seem to ever be used
+extern "C" _declspec(dllexport) void* __fastcall CreateInterface(const char* pName, int* pReturnCode)
+{
+    //AppSystemCreateInterfaceFn(pName, pReturnCode);
+    printf("external CreateInterface: name: %s\n", pName);
+
+    static CreateInterfaceFn launcher_CreateInterface = (CreateInterfaceFn)GetProcAddress(hLauncherModule, "CreateInterface");
+    auto res = launcher_CreateInterface(pName, pReturnCode);
+
+    printf("external CreateInterface: return code: %p\n", res);
+    return res;
+}
+
+bool GetExePathWide(wchar_t* dest, DWORD destSize)
+{
+    if (!dest) return NULL;
+    if (destSize < MAX_PATH) return NULL;
+
+    DWORD length = GetModuleFileNameW(NULL, dest, destSize);
+    return length && PathRemoveFileSpecW(dest);
+}
+
+FARPROC GetLauncherMain()
+{
+    static FARPROC Launcher_LauncherMain;
+    if (!Launcher_LauncherMain)
+        Launcher_LauncherMain = GetProcAddress(hLauncherModule, "LauncherMain");
+    return Launcher_LauncherMain;
+}
+
+void LibraryLoadError(DWORD dwMessageId, const wchar_t* libName, const wchar_t* location)
+{
+    char text[2048];
+    std::string message = std::system_category().message(dwMessageId); 
+    sprintf_s(text, "Failed to load the %ls at \"%ls\" (%lu):\n\n%hs", libName, location, dwMessageId, message.c_str());
+    MessageBoxA(GetForegroundWindow(), text, "Northstar Launcher Proxy Error", 0);
+}
+
+BOOL APIENTRY DllMain( HMODULE hModule,
+                       DWORD  ul_reason_for_call,
+                       LPVOID lpReserved
+                     )
+{
+    switch (ul_reason_for_call)
+    {
+    case DLL_PROCESS_ATTACH:
+    case DLL_THREAD_ATTACH:
+    case DLL_THREAD_DETACH:
+    case DLL_PROCESS_DETACH:
+        break;
+    }
+    return TRUE;
+}
+
+wchar_t exePath[4096];
+wchar_t dllPath[4096];
+
+bool ShouldLoadNorthstar()
+{
+    bool loadNorthstar = !strstr(GetCommandLineA(), "-vanilla");
+
+    if (!loadNorthstar)
+        return loadNorthstar;
+
+    auto runNorthstarFile = std::ifstream("run_northstar.txt");
+    if (runNorthstarFile)
+    {
+        std::stringstream runNorthstarFileBuffer;
+        runNorthstarFileBuffer << runNorthstarFile.rdbuf();
+        runNorthstarFile.close();
+        if (runNorthstarFileBuffer.str()._Starts_with("0"))
+            loadNorthstar = false;
+    }
+    return loadNorthstar;
+}
+
+bool LoadNorthstar()
+{
+    FARPROC Hook_Init = nullptr;
+    {
+        swprintf_s(dllPath, L"%s\\Northstar.dll", exePath);
+        hHookModule = LoadLibraryExW(dllPath, 0i64, 8u);
+        if (hHookModule) Hook_Init = GetProcAddress(hHookModule, "InitialiseNorthstar");
+        if (!hHookModule || Hook_Init == nullptr)
+        {
+            LibraryLoadError(GetLastError(), L"Northstar.dll", dllPath);
+            return false;
+        }
+    }
+
+    ((bool (*)()) Hook_Init)();
+    return true;
+}
+
+extern "C" __declspec(dllexport) int LauncherMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nCmdShow)
+{
+    {
+        if (!GetExePathWide(exePath, 4096))
+        {
+            MessageBoxA(GetForegroundWindow(), "Failed getting game directory.\nThe game cannot continue and has to exit.", "Northstar Launcher Proxy Error", 0);
+            return 1;
+        }
+
+        bool loadNorthstar = ShouldLoadNorthstar();
+
+        if (loadNorthstar)
+        {
+            if (!LoadNorthstar())
+                return 1;
+        }
+        //else printf("\n\n WILL !!!NOT!!! LOAD NORTHSTAR\n\n");
+
+        swprintf_s(dllPath, L"%s\\bin\\x64_retail\\launcher.org.dll", exePath);
+        hLauncherModule = LoadLibraryExW(dllPath, 0i64, 8u);
+        if (!hLauncherModule)
+        {
+            LibraryLoadError(GetLastError(), L"launcher.org.dll", dllPath);
+            return 1;
+        }
+
+        // this makes zero sense given tier0.dll is already loaded via imports on launcher.dll, but we do it for full consistency with original launcher exe
+        // and to also let load callbacks in Northstar work for tier0.dll
+        swprintf_s(dllPath, L"%s\\bin\\x64_retail\\tier0.dll", exePath);
+        hTier0Module = LoadLibraryW(dllPath);
+        if (!hTier0Module)
+        {
+            LibraryLoadError(GetLastError(), L"tier0.dll", dllPath);
+            return 1;
+        }
+    }
+
+    auto LauncherMain = GetLauncherMain();
+    if (!LauncherMain)
+        MessageBoxA(GetForegroundWindow(), "Failed loading launcher.org.dll.\nThe game cannot continue and has to exit.", "Northstar Launcher Proxy Error", 0);
+    //auto result = ((__int64(__fastcall*)())LauncherMain)();
+    //auto result = ((signed __int64(__fastcall*)(__int64))LauncherMain)(0i64);
+    return ((int(__fastcall*)(HINSTANCE, HINSTANCE, LPSTR, int))LauncherMain)(hInstance, hPrevInstance, lpCmdLine, nCmdShow);
+}
+
+// doubt that will help us here (in launcher.dll) though
+extern "C" {
+    __declspec(dllexport) DWORD AmdPowerXpressRequestHighPerformance = 0x00000001;
+    __declspec(dllexport) DWORD NvOptimusEnablement = 0x00000001;
+}
diff --git a/loader_launcher_proxy/framework.h b/loader_launcher_proxy/framework.h
new file mode 100644
index 00000000..54b83e94
--- /dev/null
+++ b/loader_launcher_proxy/framework.h
@@ -0,0 +1,5 @@
+#pragma once
+
+#define WIN32_LEAN_AND_MEAN             // Exclude rarely-used stuff from Windows headers
+// Windows Header Files
+#include <windows.h>
diff --git a/loader_launcher_proxy/loader_launcher_proxy.vcxproj b/loader_launcher_proxy/loader_launcher_proxy.vcxproj
new file mode 100644
index 00000000..9cc7a4c7
--- /dev/null
+++ b/loader_launcher_proxy/loader_launcher_proxy.vcxproj
@@ -0,0 +1,109 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>16.0</VCProjectVersion>
+    <Keyword>Win32Proj</Keyword>
+    <ProjectGuid>{f65c322d-66df-4af1-b650-70221de334c0}</ProjectGuid>
+    <RootNamespace>loaderlauncherproxy</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>DynamicLibrary</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+    <TargetName>launcher</TargetName>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
+    <TargetName>launcher</TargetName>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_DEBUG;LOADERLAUNCHERPROXY_EXPORTS;_WINDOWS;_USRDLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <PrecompiledHeader>Use</PrecompiledHeader>
+      <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
+      <LanguageStandard>stdcpp17</LanguageStandard>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableUAC>false</EnableUAC>
+      <AdditionalDependencies>shlwapi.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>NDEBUG;LOADERLAUNCHERPROXY_EXPORTS;_WINDOWS;_USRDLL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <PrecompiledHeader>Use</PrecompiledHeader>
+      <PrecompiledHeaderFile>pch.h</PrecompiledHeaderFile>
+      <LanguageStandard>stdcpp17</LanguageStandard>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <EnableUAC>false</EnableUAC>
+      <AdditionalOptions>/HIGHENTROPYVA:NO %(AdditionalOptions)</AdditionalOptions>
+      <AdditionalDependencies>shlwapi.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClInclude Include="framework.h" />
+    <ClInclude Include="Memory.h" />
+    <ClInclude Include="pch.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="dllmain.cpp" />
+    <ClCompile Include="Memory.cpp" />
+    <ClCompile Include="pch.cpp">
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">Create</PrecompiledHeader>
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Create</PrecompiledHeader>
+    </ClCompile>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
+\ No newline at end of file
diff --git a/loader_launcher_proxy/loader_launcher_proxy.vcxproj.filters b/loader_launcher_proxy/loader_launcher_proxy.vcxproj.filters
new file mode 100644
index 00000000..519ed674
--- /dev/null
+++ b/loader_launcher_proxy/loader_launcher_proxy.vcxproj.filters
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Header Files">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
+    </Filter>
+    <Filter Include="Resource Files">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="framework.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="pch.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="Memory.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="dllmain.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="pch.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="Memory.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+</Project>
+\ No newline at end of file
diff --git a/loader_launcher_proxy/pch.cpp b/loader_launcher_proxy/pch.cpp
new file mode 100644
index 00000000..64b7eef6
--- /dev/null
+++ b/loader_launcher_proxy/pch.cpp
@@ -0,0 +1,5 @@
+// pch.cpp: source file corresponding to the pre-compiled header
+
+#include "pch.h"
+
+// When you are using pre-compiled headers, this source file is necessary for compilation to succeed.
diff --git a/loader_launcher_proxy/pch.h b/loader_launcher_proxy/pch.h
new file mode 100644
index 00000000..30257bb2
--- /dev/null
+++ b/loader_launcher_proxy/pch.h
@@ -0,0 +1,15 @@
+// pch.h: This is a precompiled header file.
+// Files listed below are compiled only once, improving build performance for future builds.
+// This also affects IntelliSense performance, including code completion and many code browsing features.
+// However, files listed here are ALL re-compiled if any one of them is updated between builds.
+// Do not add files here that you will be updating frequently as this negates the performance advantage.
+
+#ifndef PCH_H
+#define PCH_H
+
+#include "Memory.h"
+
+// add headers that you want to pre-compile here
+#include "framework.h"
+
+#endif //PCH_H