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Update SDK offsets to be dynamic. Should add resiliency against futur…
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…e patches breaking things.
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@Lyall
Lyall committed Aug 29, 2024
1 parent 19a275d commit 5d3db07
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Showing 3 changed files with 83 additions and 40 deletions.
12 changes: 6 additions & 6 deletions src/SDK/Basic.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -31,12 +31,12 @@ using namespace UC;
*/
namespace Offsets
{
constexpr int32 GObjects = 0x1D76CC30;
constexpr int32 AppendString = 0x0CD72A90;
constexpr int32 GNames = 0x1D6CDC00;
constexpr int32 GWorld = 0x1D8CF0F0;
constexpr int32 ProcessEvent = 0x0CF09080;
constexpr int32 ProcessEventIdx = 0x0000004A;
inline int32 GObjects = 0x0; // 0x1D76CC30;
inline int32 AppendString = 0x0; // 0x0CD72A90;
inline int32 GNames = 0x0; // 0x1D6CDC00;
inline int32 GWorld = 0x0; // 0x1D8CF0F0;
inline int32 ProcessEvent = 0x0; // 0x0CF09080;
inline int32 ProcessEventIdx = 0x0000004A;
}

namespace InSDKUtils
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2 changes: 1 addition & 1 deletion src/SDK/Engine_functions.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -14474,7 +14474,7 @@ void UStreamableRenderAsset::SetForceMipLevelsToBeResident(float Seconds, int32

class UWorld* UWorld::GetWorld()
{
if constexpr (Offsets::GWorld != 0)
if (Offsets::GWorld != 0)
return *reinterpret_cast<UWorld**>(InSDKUtils::GetImageBase() + Offsets::GWorld);

if (UEngine* Engine = UEngine::GetEngine())
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109 changes: 76 additions & 33 deletions src/dllmain.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -238,53 +238,58 @@ void EnableConsole()
{
// Enable developer console
if (bEnableConsole) {
// Get GEngine
SDK::UEngine* engine = nullptr;
if (SDK::Offsets::GObjects && SDK::Offsets::AppendString) {
// Get GEngine
SDK::UEngine* engine = nullptr;

int i = 0;
while (i < 300) { // 30s
engine = SDK::UEngine::GetEngine();
int i = 0;
while (i < 300) { // 30s
engine = SDK::UEngine::GetEngine();

if (engine) {
if (engine->ConsoleClass && engine->GameViewport) {
break;
if (engine) {
if (engine->ConsoleClass && engine->GameViewport) {
break;
}
}
}

std::this_thread::sleep_for(std::chrono::milliseconds(100));
i++;
}
std::this_thread::sleep_for(std::chrono::milliseconds(100));
i++;
}

if (i == 100) {
spdlog::error("Construct Console: Failed to find GEngine address after 30 seconds.");
return;
}
if (i == 100) {
spdlog::error("Construct Console: Failed to find GEngine address after 30 seconds.");
return;
}

spdlog::info("Construct Console: GEngine address = {:x}", (uintptr_t)engine);
spdlog::info("Construct Console: GEngine address = {:x}", (uintptr_t)engine);

// Construct console
if (engine->ConsoleClass && engine->GameViewport) {
SDK::UObject* NewObject = SDK::UGameplayStatics::SpawnObject(engine->ConsoleClass, engine->GameViewport);
if (NewObject) {
engine->GameViewport->ViewportConsole = static_cast<SDK::UConsole*>(NewObject);
spdlog::info("Construct Console: Console object constructed.");
// Construct console
if (engine->ConsoleClass && engine->GameViewport) {
SDK::UObject* NewObject = SDK::UGameplayStatics::SpawnObject(engine->ConsoleClass, engine->GameViewport);
if (NewObject) {
engine->GameViewport->ViewportConsole = static_cast<SDK::UConsole*>(NewObject);
spdlog::info("Construct Console: Console object constructed.");
}
else {
spdlog::error("Construct Console: Failed to construct console object.");
return;
}
}
else {
spdlog::error("Construct Console: Failed to construct console object.");
spdlog::error("Construct Console: Failed to construct console object - ConsoleClass or GameViewport is null.");
return;
}
}
else {
spdlog::error("Construct Console: Failed to construct console object - ConsoleClass or GameViewport is null.");
return;
}

// Log console key
if (SDK::UInputSettings::GetInputSettings()->ConsoleKeys && SDK::UInputSettings::GetInputSettings()->ConsoleKeys.Num() > 0) {
spdlog::info("Construct Console: Console enabled - access it using key: {}.", SDK::UInputSettings::GetInputSettings()->ConsoleKeys[0].KeyName.ToString());
// Log console key
if (SDK::UInputSettings::GetInputSettings()->ConsoleKeys && SDK::UInputSettings::GetInputSettings()->ConsoleKeys.Num() > 0) {
spdlog::info("Construct Console: Console enabled - access it using key: {}.", SDK::UInputSettings::GetInputSettings()->ConsoleKeys[0].KeyName.ToString());
}
else {
spdlog::warn("Console enabled but no console key is bound.\nAdd this to %LOCALAPPDATA%\\b1\\Saved\\Config\\Windows\\Input.ini -\n[/Script/Engine.InputSettings]\nConsoleKeys = Tilde");
}
}
else {
spdlog::warn("Console enabled but no console key is bound.\nAdd this to %LOCALAPPDATA%\\b1\\Saved\\Config\\Windows\\Input.ini -\n[/Script/Engine.InputSettings]\nConsoleKeys = Tilde");
spdlog::error("Construct Console: GObjects or AppendString offset invalid.");
}
}
}
Expand Down Expand Up @@ -476,10 +481,48 @@ void AspectFOV()
}
}

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 ?? ?? ?? 57 48 83 ?? ?? 80 3D ?? ?? ?? ?? 00 48 8B ?? 48 8B ?? 74 ?? 4C 8D ?? ?? ?? ?? ?? EB ?? 48 8D ?? ?? ?? ?? ?? E8 ?? ?? ?? ?? 4C ?? ?? C6 ?? ?? ?? ?? ?? 01 8B ?? 8B ?? 0F ?? ?? C1 ?? 10 89 ?? ?? ?? 89 ?? ?? ?? 48 8B ?? ?? ?? 48 ?? ?? ?? 8D ?? ?? 49 ?? ?? ?? ?? 48 8B ?? 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 ?? ?? ?? ?? ?? ?? 48 8D ?? ?? ?? 48 89 ?? ?? ?? ?? ?? 48 8B ?? ?? ?? ?? ?? 48 ?? ?? 48 89 ?? ?? ?? ?? ?? 4D ?? ?? 48 ?? ?? 4C ?? ?? 48 ?? ??");
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.");
}
}

DWORD __stdcall Main(void*)
{
Logging();
Configuration();
UpdateOffsets();
CurrentResolution();
EnableConsole();
GetCVARs();
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