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Add current resolution hook and dynamically recalculate aspect ratio …
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…if screen percentage changes.
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@Lyall
Lyall committed Sep 16, 2024
1 parent 861da66 commit af2e2e0
Showing 1 changed file with 132 additions and 92 deletions.
224 changes: 132 additions & 92 deletions src/dllmain.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,8 @@ bool bLastValidInputWasFromMouse = false;
bool bCameraShouldMoveHasRunThisFrame = false;
float* fInputVectorPtr = 0;
bool bIntroSkipHasRun = false;
int iCurrentResX;
int iCurrentResY;

SafetyHookInline RenTexPostLoad{};
void* RenTexPostLoad_Hooked(uint8_t* thisptr)
Expand Down Expand Up @@ -142,6 +144,38 @@ LRESULT __stdcall NewWndProc(HWND window, UINT message_type, WPARAM w_param, LPA
return CallWindowProc(OldWndProc, window, message_type, w_param, l_param);
};

void CalculateAspectRatio()
{
// Calculate aspect ratio
fAspectRatio = (float)iCurrentResX / (float)iCurrentResY;
fAspectMultiplier = fAspectRatio / fNativeAspect;

// HUD variables
fHUDWidth = iCurrentResY * fNativeAspect;
fHUDHeight = (float)iCurrentResY;
fHUDWidthOffset = (float)(iCurrentResX - fHUDWidth) / 2;
fHUDHeightOffset = 0;
if (fAspectRatio < fNativeAspect) {
fHUDWidth = (float)iCurrentResX;
fHUDHeight = (float)iCurrentResX / fNativeAspect;
fHUDWidthOffset = 0;
fHUDHeightOffset = (float)(iCurrentResY - fHUDHeight) / 2;
}

// Log details about current resolution
spdlog::info("----------");
spdlog::info("Current Resolution: Base Resolution: {}x{}", iCurrentResX, iCurrentResY);
spdlog::info("Current Resolution: Screen Percentage: {}", fScreenPercentage);
spdlog::info("Current Resolution: Scaled Resolution: {}x{}", iCurrentResX * (fScreenPercentage / 100), iCurrentResY * (fScreenPercentage / 100));
spdlog::info("Current Resolution: fAspectRatio: {}", fAspectRatio);
spdlog::info("Current Resolution: fAspectMultiplier: {}", fAspectMultiplier);
spdlog::info("Current Resolution: fHUDWidth: {}", fHUDWidth);
spdlog::info("Current Resolution: fHUDHeight: {}", fHUDHeight);
spdlog::info("Current Resolution: fHUDWidthOffset: {}", fHUDWidthOffset);
spdlog::info("Current Resolution: fHUDHeightOffset: {}", fHUDHeightOffset);
spdlog::info("----------");
}

void Logging()
{
// Get this module path
Expand Down Expand Up @@ -273,44 +307,20 @@ void ReadConfig()
spdlog::info("Config Parse: fMouseMultiplierY: {}", fMouseMultiplierY);
spdlog::info("----------");

// Calculate aspect ratio / use desktop res instead
// Get desktop res
DesktopDimensions = Util::GetPhysicalDesktopDimensions();

if (iCustomResX > 0 && iCustomResY > 0)
{
fAspectRatio = (float)iCustomResX / (float)iCustomResY;
}
else
if (bCustomResolution && iCustomResX == 0 && iCustomResY == 0)
{
iCustomResX = (int)DesktopDimensions.first;
iCustomResY = (int)DesktopDimensions.second;
fAspectRatio = (float)DesktopDimensions.first / (float)DesktopDimensions.second;
spdlog::info("Custom Resolution: Desktop Width: {}", iCustomResX);
spdlog::info("Custom Resolution: Desktop Height: {}", iCustomResY);
}
fAspectMultiplier = fAspectRatio / fNativeAspect;

// HUD variables
fHUDWidth = iCustomResY * fNativeAspect;
fHUDHeight = (float)iCustomResY;
fHUDWidthOffset = (float)(iCustomResX - fHUDWidth) / 2;
fHUDHeightOffset = 0;
if (fAspectRatio < fNativeAspect)
{
fHUDWidth = (float)iCustomResX;
fHUDHeight = (float)iCustomResX / fNativeAspect;
fHUDWidthOffset = 0;
fHUDHeightOffset = (float)(iCustomResY - fHUDHeight) / 2;
}

// Log aspect ratio stuff
spdlog::info("Custom Resolution: fAspectRatio: {}", fAspectRatio);
spdlog::info("Custom Resolution: fAspectMultiplier: {}", fAspectMultiplier);
spdlog::info("Custom Resolution: fHUDWidth: {}", fHUDWidth);
spdlog::info("Custom Resolution: fHUDHeight: {}", fHUDHeight);
spdlog::info("Custom Resolution: fHUDWidthOffset: {}", fHUDWidthOffset);
spdlog::info("Custom Resolution: fHUDHeightOffset: {}", fHUDHeightOffset);
spdlog::info("----------");
// Calculate aspect ratio
iCurrentResX = iCustomResX;
iCurrentResY = iCustomResY;
CalculateAspectRatio();
}

void RenderTextures()
Expand Down Expand Up @@ -353,40 +363,59 @@ void RenderTextures()
}
}

void UpdateOffsets()
void Resolution()
{
// GObjects
uint8_t* GObjectsScanResult = Memory::PatternScan(baseModule, "48 8B ?? ?? ?? ?? ?? 48 8B ?? ?? 48 8D ?? ?? EB ?? 33 ?? 8B ?? ?? C1 ??");
if (GObjectsScanResult) {
spdlog::info("Offsets: GObjects: Address is {:s}+{:x}", sExeName.c_str(), (uintptr_t)GObjectsScanResult - (uintptr_t)baseModule);
uintptr_t GObjectsAddr = Memory::GetAbsolute((uintptr_t)GObjectsScanResult + 0x3);
SDK::Offsets::GObjects = (uintptr_t)GObjectsAddr - (uintptr_t)baseModule;
spdlog::info("Offsets: GObjects: Offset: {:x}", SDK::Offsets::GObjects);
}
else if (!GObjectsScanResult) {
spdlog::error("Offsets: GObjects: Pattern scan failed.");
}
if (bCustomResolution)
{
// Apply custom resolution
uint8_t* ApplyResolutionScanResult = Memory::PatternScan(baseModule, "39 ?? ?? ?? ?? 00 75 ?? 48 ?? ?? 48 ?? ?? 20 39 ?? ?? ?? ?? 00 74 ??");
if (ApplyResolutionScanResult)
{
// Need 4 bytes aligned twice
static struct Resolution
{
int Width = iCustomResX;
int Height = iCustomResY;
} CustomResolution;

// AppendString
uint8_t* AppendStringScanResult = Memory::PatternScan(baseModule, "48 89 ?? ?? ?? 48 89 ?? ?? ?? 57 48 83 ?? ?? 8B ?? 48 8B ?? 8B ?? 44 0F ?? ?? C1 ?? 10 48 8B ?? 80 3D ?? ?? ?? ?? 00 89 ?? ?? ?? 44 89 ?? ?? ?? 74 ?? 4C 8D ?? ?? ?? ?? ?? EB ?? 48 8D ?? ?? ?? ?? ?? E8 ?? ?? ?? ?? 4C ?? ?? C6 ?? ?? ?? ?? ?? 01 48 8B ?? ?? ?? 48 8B ?? 48 ?? ?? ?? 8D ?? ?? 49 ?? ?? ?? ?? E8 ?? ?? ?? ?? 83 ?? ?? 00");
if (AppendStringScanResult) {
spdlog::info("Offsets: AppendString: Address is {:s}+{:x}", sExeName.c_str(), (uintptr_t)AppendStringScanResult - (uintptr_t)baseModule);
SDK::Offsets::AppendString = (uintptr_t)AppendStringScanResult - (uintptr_t)baseModule;
spdlog::info("Offsets: AppendString: Offset: {:x}", SDK::Offsets::AppendString);
}
else if (!AppendStringScanResult) {
spdlog::error("Offsets: AppendString: Pattern scan failed.");
spdlog::info("Custom Resolution: Address is {:s}+{:x}", sExeName.c_str(), (uintptr_t)ApplyResolutionScanResult - (uintptr_t)baseModule);
static SafetyHookMid ApplyResolutionMidHook{};
ApplyResolutionMidHook = safetyhook::create_mid(ApplyResolutionScanResult,
[](SafetyHookContext& ctx)
{
ctx.rdx = *(uint64_t*)&CustomResolution;
});
}
else if (!ApplyResolutionScanResult)
{
spdlog::error("Custom Resolution: Pattern scan failed.");
}
}

// ProcessEvent
uint8_t* ProcessEventScanResult = Memory::PatternScan(baseModule, "40 ?? 56 57 41 ?? 41 ?? 41 ?? 41 ?? 48 81 ?? ?? ?? ?? ?? 48 8D ?? ?? ?? 48 89 ?? ?? ?? ?? ?? 48 8B ?? ?? ?? ?? ?? 48 33 ?? 48 89 ?? ?? ?? ?? ?? 8B ?? ?? 45 33 ??");
if (ProcessEventScanResult) {
spdlog::info("Offsets: ProcessEvent: Address is {:s}+{:x}", sExeName.c_str(), (uintptr_t)ProcessEventScanResult - (uintptr_t)baseModule);
SDK::Offsets::ProcessEvent = (uintptr_t)ProcessEventScanResult - (uintptr_t)baseModule;
spdlog::info("Offsets: ProcessEvent: Offset: {:x}", SDK::Offsets::ProcessEvent);
// Get current resolution
uint8_t* CurrResolutionScanResult = Memory::PatternScan(baseModule, "44 89 ?? ?? ?? ?? ?? 44 89 ?? ?? ?? ?? ?? 44 89 ?? ?? ?? ?? ?? 88 ?? ?? ?? ?? ??");
if (CurrResolutionScanResult)
{
spdlog::info("Current Resolution: Address is {:s}+{:x}", sExeName.c_str(), (uintptr_t)CurrResolutionScanResult - (uintptr_t)baseModule);
static SafetyHookMid CurrResolutionMidHook{};
CurrResolutionMidHook = safetyhook::create_mid(CurrResolutionScanResult,
[](SafetyHookContext& ctx)
{
int iResX = (int)ctx.r13;
int iResY = (int)ctx.r12;

// Log resolution
if (iResX != iCurrentResX || iResY != iCurrentResY) {
iCurrentResX = iResX;
iCurrentResY = iResY;
CalculateAspectRatio();
}

});
}
else if (!ProcessEventScanResult) {
spdlog::error("Offsets: ProcessEvent: Pattern scan failed.");
else if (!CurrResolutionScanResult)
{
spdlog::error("Current Resolution: Pattern scan failed.");
}
}

Expand Down Expand Up @@ -481,6 +510,43 @@ void IntroSkip()
}
}

void UpdateOffsets()
{
// GObjects
uint8_t* GObjectsScanResult = Memory::PatternScan(baseModule, "48 8B ?? ?? ?? ?? ?? 48 8B ?? ?? 48 8D ?? ?? EB ?? 33 ?? 8B ?? ?? C1 ??");
if (GObjectsScanResult) {
spdlog::info("Offsets: GObjects: Address is {:s}+{:x}", sExeName.c_str(), (uintptr_t)GObjectsScanResult - (uintptr_t)baseModule);
uintptr_t GObjectsAddr = Memory::GetAbsolute((uintptr_t)GObjectsScanResult + 0x3);
SDK::Offsets::GObjects = (uintptr_t)GObjectsAddr - (uintptr_t)baseModule;
spdlog::info("Offsets: GObjects: Offset: {:x}", SDK::Offsets::GObjects);
}
else if (!GObjectsScanResult) {
spdlog::error("Offsets: GObjects: Pattern scan failed.");
}

// AppendString
uint8_t* AppendStringScanResult = Memory::PatternScan(baseModule, "48 89 ?? ?? ?? 48 89 ?? ?? ?? 57 48 83 ?? ?? 8B ?? 48 8B ?? 8B ?? 44 0F ?? ?? C1 ?? 10 48 8B ?? 80 3D ?? ?? ?? ?? 00 89 ?? ?? ?? 44 89 ?? ?? ?? 74 ?? 4C 8D ?? ?? ?? ?? ?? EB ?? 48 8D ?? ?? ?? ?? ?? E8 ?? ?? ?? ?? 4C ?? ?? C6 ?? ?? ?? ?? ?? 01 48 8B ?? ?? ?? 48 8B ?? 48 ?? ?? ?? 8D ?? ?? 49 ?? ?? ?? ?? E8 ?? ?? ?? ?? 83 ?? ?? 00");
if (AppendStringScanResult) {
spdlog::info("Offsets: AppendString: Address is {:s}+{:x}", sExeName.c_str(), (uintptr_t)AppendStringScanResult - (uintptr_t)baseModule);
SDK::Offsets::AppendString = (uintptr_t)AppendStringScanResult - (uintptr_t)baseModule;
spdlog::info("Offsets: AppendString: Offset: {:x}", SDK::Offsets::AppendString);
}
else if (!AppendStringScanResult) {
spdlog::error("Offsets: AppendString: Pattern scan failed.");
}

// ProcessEvent
uint8_t* ProcessEventScanResult = Memory::PatternScan(baseModule, "40 ?? 56 57 41 ?? 41 ?? 41 ?? 41 ?? 48 81 ?? ?? ?? ?? ?? 48 8D ?? ?? ?? 48 89 ?? ?? ?? ?? ?? 48 8B ?? ?? ?? ?? ?? 48 33 ?? 48 89 ?? ?? ?? ?? ?? 8B ?? ?? 45 33 ??");
if (ProcessEventScanResult) {
spdlog::info("Offsets: ProcessEvent: Address is {:s}+{:x}", sExeName.c_str(), (uintptr_t)ProcessEventScanResult - (uintptr_t)baseModule);
SDK::Offsets::ProcessEvent = (uintptr_t)ProcessEventScanResult - (uintptr_t)baseModule;
spdlog::info("Offsets: ProcessEvent: Offset: {:x}", SDK::Offsets::ProcessEvent);
}
else if (!ProcessEventScanResult) {
spdlog::error("Offsets: ProcessEvent: Pattern scan failed.");
}
}

void EnableConsole()
{
if (bEnableConsole)
Expand Down Expand Up @@ -547,36 +613,6 @@ void EnableConsole()
}
}

void Resolution()
{
if (bCustomResolution)
{
// Apply custom resolution.
uint8_t* ApplyResolutionScanResult = Memory::PatternScan(baseModule, "39 ?? ?? ?? ?? 00 75 ?? 48 ?? ?? 48 ?? ?? 20 39 ?? ?? ?? ?? 00 74 ??");
if (ApplyResolutionScanResult)
{
// Need 4 bytes aligned twice
static struct Resolution
{
int Width = iCustomResX;
int Height = iCustomResY;
} CustomResolution;

spdlog::info("Custom Resolution: Address is {:s}+{:x}", sExeName.c_str(), (uintptr_t)ApplyResolutionScanResult - (uintptr_t)baseModule);
static SafetyHookMid ApplyResolutionMidHook{};
ApplyResolutionMidHook = safetyhook::create_mid(ApplyResolutionScanResult,
[](SafetyHookContext& ctx)
{
ctx.rdx = *(uint64_t*)&CustomResolution;
});
}
else if (!ApplyResolutionScanResult)
{
spdlog::error("Custom Resolution: Pattern scan failed.");
}
}
}

void AspectFOVFix()
{
if (bFOVFix)
Expand Down Expand Up @@ -780,7 +816,11 @@ void GraphicalTweaks()
else
{
// Grab screen percentage value if not applied by user.
fScreenPercentage = *reinterpret_cast<float*>(ctx.rdi + (ctx.rbx * 4));
if (fScreenPercentage != *reinterpret_cast<float*>(ctx.rdi + (ctx.rbx * 4)))
{
fScreenPercentage = *reinterpret_cast<float*>(ctx.rdi + (ctx.rbx * 4));
CalculateAspectRatio();
}
}
});
}
Expand Down Expand Up @@ -1045,10 +1085,10 @@ DWORD __stdcall Main(void*)
Logging();
ReadConfig();
RenderTextures();
UpdateOffsets();
Resolution();
IntroSkip();
UpdateOffsets();
EnableConsole();
Resolution();
AspectFOVFix();
HUDFix();
Fades();
Expand Down

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