Add initial project files (excluding ignored content)
This commit is contained in:
260
Days Gone/dllmain.cpp
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260
Days Gone/dllmain.cpp
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#include "Memory.hpp";
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#include "Maths.hpp";
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#include "ObfuscateString.h"
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#include <Windows.h>
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#include <string>
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#include <spdlog/spdlog.h>
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#include <spdlog/sinks/basic_file_sink.h>
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#include <iostream>
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#include <safetyhook.hpp>
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// Constants
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const std::string PLUGIN_NAME = "Days Gone";
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const std::string PLUGIN_LOG = PLUGIN_NAME + ".log";
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const std::string gameExecutable = "DaysGone.exe";
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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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// Plugin states
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static bool AOBScanDone = false;
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static bool g_fix_enabled = false;
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static bool g_fov_fix_enabled = false;
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static bool g_hud_fix_enabled = false;
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static int g_AdditionalFOVValue = 0;
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static int g_AdditionalVehicleFOVValue = 0;
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static int g_AdditionalOtherFOVValue = 0;
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static float g_HUDLeft = 0;
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static float g_HUDRight = 0;
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static float g_FOVfactor = 0;
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// Shared values
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static float g_baseFOV = 0;
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static float g_FOV_In = 0;
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static float g_FOV_Out = 0;
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// AOB Scan pointers
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static uint8_t* FOVaddress = nullptr;
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static uint8_t* FOVfactorAddress = nullptr;
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static uint8_t* HUDaddress = nullptr;
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// Hooking
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static SafetyHookMid FOVHook{};
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static SafetyHookMid FOVFactorHook{};
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static SafetyHookMid HUDHook{};
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// Prototypes
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static void FOVFixEnabled(bool fix_enabled);
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static void HUDFixEnabled(bool fix_enabled);
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extern "C" __declspec(dllexport) void SetFixEnabled(bool enabled)
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{
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g_fix_enabled = enabled;
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if (g_fix_enabled && !AOBScanDone) {
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logger->info("--------------- AOB scanning started ---------------");
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if (FOVaddress == nullptr) {
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constexpr auto FOVStringObfuscated = make_obfuscated<0x4A>("F3 0F ?? ?? ?? 48 8D ?? ?? E8 ?? ?? ?? ?? 90 48 ?? ?? 48");
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FOVaddress = Memory::aob_scan(gameExecutable, FOVStringObfuscated.decrypt(), PAGE_EXECUTE_READ);
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//DaysGone.exe + 46CC96 - 48 8B CB - mov rcx, rbx
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//DaysGone.exe + 46CC99 - FF 90 80 03 00 00 - call qword ptr[rax + 00000380]
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//DaysGone.exe + 46CC9F - F3 0F 11 47 28 - movss[rdi + 28], xmm0
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//DaysGone.exe + 46CCA4 - 48 8D 4D 00 - lea rcx, [rbp + 00]
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//DaysGone.exe + 46CCA8 - E8 B3 8E FA FF - call DaysGone.exe + 415B60
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if (!FOVaddress)
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logger->warn("FOV signature not found. Maybe your game has been updated and is no more compatible with this plugin.");
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else {
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logger->info("FOV signature found at address: 0x{:X}.", reinterpret_cast<uintptr_t>(FOVaddress));
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}
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}
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if (FOVfactorAddress == nullptr) {
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constexpr auto FOVFactorStringObfuscated = make_obfuscated<0x4A>("CC 48 8B ?? ?? F3 0F 10 80 ?? ?? ?? ?? F3 0F");
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FOVfactorAddress = Memory::aob_scan(gameExecutable, FOVFactorStringObfuscated.decrypt(), PAGE_EXECUTE_READ);
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//DaysGone.exe + 4554E0 - 48 8B 41 28 - mov rax, [rcx + 28]
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//DaysGone.exe + 4554E4 - F3 0F 10 80 68 03 00 00 - movss xmm0, [rax + 00000368]
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//DaysGone.exe + 4554EC - F3 0F 59 41 4C - mulss xmm0, [rcx + 4C]
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//DaysGone.exe + 4554F1 - C3 - ret
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//DaysGone.exe + 4554F2 - CC - int 3
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if (!FOVfactorAddress)
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logger->warn("FOV factor signature not found. Maybe your game has been updated and is no more compatible with this plugin.");
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else {
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logger->info("FOV factor signature found at address: 0x{:X}.", reinterpret_cast<uintptr_t>(FOVfactorAddress));
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FOVfactorAddress += 0xd;
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}
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}
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if (HUDaddress == nullptr) {
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constexpr auto AspectStringObfuscated = make_obfuscated<0x4A>("48 ?? ?? 48 ?? ?? 66 48 ?? ?? ?? FF ?? 48 8B ?? ?? ?? 0F ?? ??");
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HUDaddress = Memory::aob_scan(gameExecutable, AspectStringObfuscated.decrypt(), PAGE_EXECUTE_READ);
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//DaysGone.exe + 1FBA9E3 - 0F 10 00 - movups xmm0, [rax]
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//DaysGone.exe + 1FBA9E6 - 48 8B C7 - mov rax, rdi
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//DaysGone.exe + 1FBA9E9 - 0F 11 07 - movups[rdi], xmm0
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//DaysGone.exe + 1FBA9EC - 48 83 C4 30 - add rsp, 30
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//DaysGone.exe + 1FBA9F0 - 5F - pop rdi
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if (!HUDaddress)
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logger->warn("HUD signature not found. Maybe your game has been updated and is no more compatible with this plugin.");
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else {
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logger->info("HUD signature found at address: 0x{:X}.", reinterpret_cast<uintptr_t>(HUDaddress));
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HUDaddress += 0x1B; // Offset for the target opcode
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}
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if (FOVaddress && FOVfactorAddress && HUDaddress) {
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logger->info("All AOB signatures found. Ready to patch...");
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logger->info("--------------- AOB scanning finished ---------------");
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AOBScanDone = true;
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}
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}
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}
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if (FOVaddress && FOVfactorAddress && HUDaddress) {
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if (g_fix_enabled) {
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FOVFixEnabled(g_fov_fix_enabled);
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HUDFixEnabled(g_hud_fix_enabled);
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}
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else {
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FOVFixEnabled(false);
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HUDFixEnabled(false);
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logger->info("All fixes disabled.");
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}
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}
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}
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// Setters for Reshade addon call
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extern "C" __declspec(dllexport) void SetFOVFixEnabled(bool enabled, bool init)
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{
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g_fov_fix_enabled = enabled;
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if (!init) FOVFixEnabled(g_fov_fix_enabled);
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}
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extern "C" __declspec(dllexport) void SetHUDFixEnabled(bool enabled, bool init)
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{
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g_hud_fix_enabled = enabled;
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if (!init) HUDFixEnabled(g_hud_fix_enabled);
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}
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extern "C" __declspec(dllexport) void SetFOV(int fov)
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{
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g_AdditionalFOVValue = fov;
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}
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extern "C" __declspec(dllexport) void SetVehicleFOV(int fov)
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{
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g_AdditionalVehicleFOVValue = fov;
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}
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extern "C" __declspec(dllexport) void SetOtherFOV(int fov)
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{
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g_AdditionalOtherFOVValue = fov;
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}
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extern "C" __declspec(dllexport) void SetHUDLeft(int fov)
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{
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g_HUDLeft = (float)fov;
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}
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extern "C" __declspec(dllexport) void SetHUDRight(int fov)
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{
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g_HUDRight = (float)fov;
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}
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// Getters for Reshade addon call
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extern "C" __declspec(dllexport) float GetFOVIn() {
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return g_FOV_In;
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}
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extern "C" __declspec(dllexport) float GetFOVOut() {
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return g_FOV_Out;
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}
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static void FOVFixEnabled(bool fix_enabled) {
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if (g_fix_enabled && fix_enabled && FOVaddress != nullptr && FOVfactorAddress != nullptr) {
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if (!FOVHook) { // Hook only once
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FOVHook = safetyhook::create_mid(FOVaddress,
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[](SafetyHookContext& ctx) {
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g_FOV_In = ctx.xmm0.f32[0];
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if (g_baseFOV == 70) // World base FOV
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g_FOV_Out = ctx.xmm0.f32[0] += (g_fov_fix_enabled ? g_AdditionalFOVValue : 0); // World FOV
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else if (g_baseFOV == 90) // Vehicle base FOV
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g_FOV_Out = ctx.xmm0.f32[0] += (g_fov_fix_enabled ? g_AdditionalVehicleFOVValue : 0); // Vehicle FOV
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else // Other FOV
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g_FOV_Out = ctx.xmm0.f32[0] += (g_fov_fix_enabled ? g_AdditionalOtherFOVValue : 0); // Other FOV
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});
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}
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else FOVHook.enable();
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if (!FOVFactorHook) {
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FOVFactorHook = safetyhook::create_mid(FOVfactorAddress,
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[](SafetyHookContext& ctx) {
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g_FOVfactor = ctx.xmm0.f32[0];
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g_baseFOV = g_FOV_In / g_FOVfactor;
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});
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}
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else FOVFactorHook.enable();
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logger->info("FOV fix enabled");
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}
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if (!fix_enabled && FOVHook) {
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FOVHook.disable();
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logger->info("FOV fix disabled");
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}
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}
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static void HUDFixEnabled(bool fix_enabled) {
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if (g_fix_enabled && fix_enabled && HUDaddress != nullptr) {
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if (!HUDHook) {
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HUDHook = safetyhook::create_mid(HUDaddress,
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[](SafetyHookContext& ctx) {
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ctx.xmm0.f32[0] = g_HUDLeft / 100;
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ctx.xmm0.f32[1] = 0.0f;
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ctx.xmm0.f32[2] = 1 - (g_HUDRight / 100);
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ctx.xmm0.f32[3] = 1.0f;
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memcpy(reinterpret_cast<void*>(ctx.rdi), &ctx.xmm0, sizeof(ctx.xmm0)); // Original code movups [rdi],xmm0
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});
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}
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else HUDHook.enable();
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logger->info("HUD fix enabled");
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}
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if (!fix_enabled && HUDHook) {
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HUDHook.disable();
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logger->info("HUD fix disabled");
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}
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}
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// Initialisation de spdlog avec format personnalisé
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static void InitializeLogger()
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{
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try
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{
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logger = spdlog::basic_logger_mt("Fixlib", PLUGIN_LOG, true);
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spdlog::set_default_logger(logger);
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// Format : [YYYY-MM-DD HH:MM:SS] [INFO] message
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spdlog::set_pattern("[%Y-%m-%d %H:%M:%S] [%^%l%$] %v");
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spdlog::set_level(spdlog::level::debug);
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logger->flush_on(spdlog::level::debug); // Flush automatically
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}
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catch (const spdlog::spdlog_ex& ex)
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{
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std::string plugin_error_message = "Could not open " + PLUGIN_LOG;
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MessageBoxA(nullptr, plugin_error_message.c_str(), "Logger Error", MB_ICONERROR | MB_OK);
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}
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}
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// Entrée standard DLL
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BOOL APIENTRY DllMain(HMODULE hModule, DWORD reason, LPVOID)
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{
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if (reason == DLL_PROCESS_ATTACH)
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{
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InitializeLogger();
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logger->info("Plugin {} loaded.", PLUGIN_NAME);
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}
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else if (reason == DLL_PROCESS_DETACH)
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{
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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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}
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