250 lines
12 KiB
C++
250 lines
12 KiB
C++
#include "CommonHeaders.h"
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#include "CommonUEHeaders.h"
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using namespace SDK;
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// Constants
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const std::string PLUGIN_NAME = "Reanimal";
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const std::string PLUGIN_LOG = PLUGIN_NAME + ".log";
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// Logger
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std::shared_ptr<spdlog::logger> logger;
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// Screen informations
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static int screenWidth = GetSystemMetrics(SM_CXSCREEN);
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static int screenHeight = GetSystemMetrics(SM_CYSCREEN);
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static float aspectRatio = (float)screenWidth / screenHeight;
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float baseAspect = 1.777778f;
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// Plugin states
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static bool AOBScanDone = false;
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static bool g_Console = false;
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static std::atomic<bool> g_fix_enabled = false;
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static std::atomic<bool> g_fov_fix_enabled = false;
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static std::atomic<bool> g_ultrawide_fix_enabled = false;
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static std::atomic<bool> g_HUD_fix_enabled = false;
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static std::atomic<bool> g_Camera_fix_enabled = false;
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static std::atomic<bool> g_DOF_fix_enabled = false;
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static std::atomic<bool> g_CA_fix_enabled = false;
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static std::atomic<bool> g_Vignetting_fix_enabled = false;
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static std::atomic<bool> g_Fog_fix_enabled = false;
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static std::atomic<bool> g_TimeDilation_fix_enabled = false;
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static int g_AdditionalFOVValue = 0;
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static float g_WorldTimeDilationValue = 1.f;
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static bool user_inputs_logged = false;
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// Shared values
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static float g_FOV_In = 80.f;
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static float g_CompensatedFOV = 80.f;
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static float g_FOV_Out = 80.f;
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// AOB Scan pointers
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static uint8_t* FOVaddress = nullptr;
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static uint8_t* WorldTimedilationaddress = nullptr;
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static uint8_t* CameraStruct1address = nullptr;
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// Hooking
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static SafetyHookMid FOVHook{};
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static SafetyHookMid PEHook{};
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static SafetyHookMid WorldTimeDilationHook{};
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static SafetyHookMid CameraStruct1Hook{};
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// Prototypes
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static void FOVFixEnabled();
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static void UltraWideFixEnabled(GameFixes fix);
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static void EnableConsole();
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static void EnableCheats(Cheat cheat);
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static void ProcessEvent();
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extern "C" __declspec(dllexport) void SetFixEnabled(bool enabled, bool init) {
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g_fix_enabled = enabled;
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if (init) {
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logger = InitializeLogger("Reanimal", PLUGIN_LOG);
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logger->info("Plugin {} loaded.", PLUGIN_NAME);
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}
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if (!AOBScanDone) { // Unreal Engine 5.4.4
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logger->info("--------------- AOB scan started ---------------");
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constexpr auto FOVStringObfuscated = make_obfuscated<0xF3>("77 ?? 48 ?? ?? FF 90 ?? ?? ?? ?? F3 0F ?? ?? ?? 48 83 ?? ?? C3");
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constexpr auto WorldTimeDilationStringObfuscated = make_obfuscated<0x59>("F3 0F 10 ?? ?? ?? ?? ?? F3 0F 59 ?? ?? ?? ?? ?? F3 0F 59 ?? ?? ?? ?? ?? C3");
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constexpr auto CameraStruct1StringObfuscated = make_obfuscated<0x48>("48 89 ?? ?? ?? 57 48 83 ?? ?? 0F ?? ?? 48 8B FA 48 ?? ?? 0F ?? ?? F2 0F 10");
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using AOBScan::Make;
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using OffsetScan::Make;
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// Prepare all data for scanning
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std::vector<AOBScanEntry> signatures = {
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Make(&FOVaddress, FOVStringObfuscated, "FOV"),
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Make(&CameraStruct1address, CameraStruct1StringObfuscated, "Camera"),
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Make(&WorldTimedilationaddress, WorldTimeDilationStringObfuscated, "World time dilation")
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};
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// Scan all signature in a batch
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Memory::AOBScanBatch(signatures, logger);
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if (FOVaddress && WorldTimedilationaddress && CameraStruct1address)
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logger->info("All AOB signatures found. Ready to patch...");
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if (!GObjectsaddress || !AppendStringaddress || !ProcessEventaddress) {
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logger->info("------------ UEngine offsets search ------------");
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uint8_t* baseModule = reinterpret_cast<uint8_t*>(GetModuleHandleA(nullptr)); // Get game base address
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constexpr auto GObjetcsStringObfuscated = make_obfuscated<0x8D>("48 8B ?? ?? ?? ?? ?? 48 8B ?? ?? 48 8D ?? ?? EB ?? 33");
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constexpr auto GWorldStringObfuscated = make_obfuscated<0x8D>("48 8B 05 ?? ?? ?? ?? 48 ?? ?? 75 ?? 48 83 ?? ?? 5B C3");
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constexpr auto AppendStringStringObfuscated = make_obfuscated<0x80>("48 89 ?? ?? ?? 48 89 ?? ?? ?? 57 48 83 ?? ?? 80 3D ?? ?? ?? ?? ?? 48 ?? F2 8B ?? 48 ?? ?? 74 ?? 4C 8D ?? ?? ?? ?? ?? EB ?? 48 8D ?? ?? ?? ?? ?? E8 ?? ?? ?? ?? 4C");
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constexpr auto ProcessEventStringObfuscated = make_obfuscated<0x56>("40 ?? 56 57 41 ?? 41 ?? 41 ?? 41 ?? 48 81 ?? ?? ?? ?? ?? 48 8D ?? ?? ?? 48 89 ?? ?? ?? ?? ?? 48 8B ?? ?? ?? ?? ?? 48 ?? ?? 48 89 ?? ?? ?? ?? ?? 4D");
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// Prepare all data for scanning
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std::vector<OffsetScanEntry> UEoffsetsScans = {
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Make(&GObjectsaddress, GObjetcsStringObfuscated, "GObjects", OffsetCalcType::GetOffsetFromOpcode, &Offsets::GObjects, 0x3),
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Make(&GWorldaddress, GWorldStringObfuscated, "Gworld", OffsetCalcType::GetOffsetFromOpcode, &Offsets::GWorld, 0x3),
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Make(&AppendStringaddress, AppendStringStringObfuscated, "AppendString", OffsetCalcType::UE_CalculateOffset, &Offsets::AppendString),
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Make(&ProcessEventaddress, ProcessEventStringObfuscated, "ProcessEvent", OffsetCalcType::UE_CalculateOffset, &Offsets::ProcessEvent)
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};
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// Retrieve all Unreal Engine offsets in a batch
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Memory::OffsetScanBatch(UEoffsetsScans, baseModule, logger, "");
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}
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logger->info("-------------- Fixes initialisation -------------");
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AOBScanDone = true;
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}
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ProcessEvent();
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if (init) return;
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FOVFixEnabled();
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UltraWideFixEnabled(GameFixes::UltraWide);
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gPendingDOF = true;
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gPendingCA = true;
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gPendingVignetting = true;
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gPendingFog = true;
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LogFixToggle(GameFixes::None, g_fix_enabled);
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}
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// Setters for Reshade addon call
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extern "C" __declspec(dllexport) void SetFixesEnabled(GameFixes fix, bool enabled) { // Set each fix individually
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bool bVisual = g_fix_enabled && enabled;
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if (fix == GameFixes::DevConsole) { g_Console = enabled; EnableConsole(); }
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if (fix == GameFixes::FOV) { g_fov_fix_enabled = enabled; FOVFixEnabled(); }
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if (fix == GameFixes::UltraWide) { g_ultrawide_fix_enabled = enabled; UltraWideFixEnabled(GameFixes::UltraWide); }
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if (fix == GameFixes::DOF) { g_DOF_fix_enabled = enabled; gPendingDOF = true; LogFixToggle(fix, bVisual); }
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if (fix == GameFixes::ChromaticAberrations) { g_CA_fix_enabled = enabled; gPendingCA = true; LogFixToggle(fix, bVisual); }
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if (fix == GameFixes::Vignetting) { g_Vignetting_fix_enabled = enabled; gPendingVignetting = true; LogFixToggle(fix, bVisual); }
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if (fix == GameFixes::Fog) { g_Fog_fix_enabled = enabled; gPendingFog = true; LogFixToggle(fix, bVisual); }
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if (fix == GameFixes::TimeDilation) { g_TimeDilation_fix_enabled = enabled; EnableCheats(Cheat::TimeDilation); }
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}
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extern "C" __declspec(dllexport) void SetValues(GameSetting setting, float value) {
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if (setting == GameSetting::FOV) g_AdditionalFOVValue = (int)(value);
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if (setting == GameSetting::WorldTimeDilation) g_WorldTimeDilationValue = value;
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}
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// Getters for Reshade addon call
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extern "C" __declspec(dllexport) void GetGameInfos(GameInfos* infos) {
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if (!infos) return;
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infos->FOVIn = g_FOV_In;
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infos->CompensatedFOV = g_CompensatedFOV;
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infos->FOVOut = g_FOV_Out;
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infos->consoleEnabled = g_Console_Enabled;
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}
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static bool g_inCutscene = false;
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// Code injection functions
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static void ProcessEvent() {
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if (!PEHook && ProcessEventaddress) {
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PEHook = safetyhook::create_mid(ProcessEventaddress + 0xc,
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[](SafetyHookContext& ctx) {
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UObject* object = (UObject*)ctx.rcx;
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UFunction* func = (UFunction*)ctx.rdx;
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if (object && func) {
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std::string funcName = func->GetName();
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std::string objectName = object->GetName();
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if (objectName.contains("BP_CinematicCameraMode")) {
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if (funcName == "BeginMode") g_inCutscene = true;
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if (funcName == "EndMode") g_inCutscene = false;
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}
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}
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});
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}
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}
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static void FOVFixEnabled() {
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if (FOVaddress) {
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if (!FOVHook) { // Hook only once
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FOVHook = safetyhook::create_mid(FOVaddress + 0x10,
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[](SafetyHookContext& ctx) {
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g_FOV_In = ctx.xmm0.f32[0];
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if (g_fix_enabled && g_ultrawide_fix_enabled)
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ctx.xmm0.f32[0] = Maths::CompensateHorizontalFOV(g_FOV_In, baseAspect, aspectRatio);
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g_CompensatedFOV = ctx.xmm0.f32[0];
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ctx.xmm0.f32[0] += (g_fix_enabled && g_fov_fix_enabled && !g_inCutscene ? g_AdditionalFOVValue : 0);
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g_FOV_Out = ctx.xmm0.f32[0];
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});
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}
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}
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logger->info("FOV fix {}", g_fix_enabled && g_fov_fix_enabled ? "enabled" : "disabled");
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}
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static void UltraWideFixEnabled(GameFixes fix) {
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if (!CameraStruct1Hook && CameraStruct1address) { // Taken FROM UUU
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CameraStruct1Hook = safetyhook::create_mid(CameraStruct1address,
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[](SafetyHookContext& ctx) {
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if (!ctx.rdx) return;
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FMinimalViewInfo* view = (FMinimalViewInfo*)ctx.rdx;
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if (!view) return;
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if (g_fix_enabled && g_ultrawide_fix_enabled) {
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view->bConstrainAspectRatio = false;
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view->AspectRatio = aspectRatio;
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}
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else {
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view->bConstrainAspectRatio = true;
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view->AspectRatio = baseAspect;
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}
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});
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}
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logger->info("Ultrawide fix {}", g_fix_enabled && g_ultrawide_fix_enabled ? "enabled" : "disabled");
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}
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// Cheats
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static UWorld* LastWorld = nullptr;
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static ULONGLONG lastScanTick = 0; // Last time Actors were scanned for enemies time dilation
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static void EnableCheats(Cheat cheat) {
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if (WorldTimedilationaddress && !WorldTimeDilationHook) {
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WorldTimeDilationHook = safetyhook::create_mid(WorldTimedilationaddress + 0x10,
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[](SafetyHookContext& ctx) {
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// From AWorldSettings retrieved from world->K2_GetWorldSettings()
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ctx.xmm0.f32[0] *= g_TimeDilation_fix_enabled ? g_WorldTimeDilationValue : 1.f;
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// Apply visual effects only in hook main thread to ensure they will be applied correctly
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if (!g_Console_Enabled) return; // It relies on dev console being reactivated
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if (gPendingFog.exchange(false))
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ApplyVisualEffect(GameFixes::Fog, g_fix_enabled && g_Fog_fix_enabled);
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if (gPendingDOF.exchange(false))
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ApplyVisualEffect(GameFixes::DOF, g_fix_enabled && g_DOF_fix_enabled);
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if (gPendingCA.exchange(false))
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ApplyVisualEffect(GameFixes::ChromaticAberrations, g_fix_enabled && g_CA_fix_enabled);
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if (gPendingVignetting.exchange(false))
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ApplyVisualEffect(GameFixes::Vignetting, g_fix_enabled && g_Vignetting_fix_enabled);
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});
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}
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if (cheat == Cheat::TimeDilation) logger->info("Time dilation cheat {}", g_TimeDilation_fix_enabled ? "enabled" : "disabled");
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}
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// UE Console creation
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static void EnableConsole() {
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if (g_Console_Enabled || !g_Console || !GObjectsaddress || !AppendStringaddress || !ProcessEventaddress) {
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if (!g_Console && !user_inputs_logged) {
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logger->info("------------------ User inputs ------------------");
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user_inputs_logged = true;
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}
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return;
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}
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logger->info("-------------- Console re-enabling --------------");
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ReactivateDevConsole(logger);
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}
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// Standard dll entry
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BOOL APIENTRY DllMain(HMODULE hModule, DWORD reason, LPVOID) {
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if (reason == DLL_PROCESS_DETACH) {
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logger->info("Plugin {} unloaded.", PLUGIN_NAME);
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spdlog::drop_all();
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}
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return TRUE;
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} |