Wine compatibility and patches (#219)

Co-authored-by: Skull <86374920+skkuull@users.noreply.github.com>

src/client/component/arxan.cpp

@@ -3,6 +3,8 @@
 #include "scheduler.hpp"
 #include "game/game.hpp"
 
+#include "arxan.hpp"
+
 #include <utils/hook.hpp>
 
 namespace arxan
@@ -108,6 +110,22 @@ namespace arxan
 		}
 	}
 
+	bool is_wine()
+	{
+		static bool is_wine = false;
+		static bool is_wine_set = false;
+
+		if (!is_wine_set)
+		{
+			const utils::nt::library ntdll("ntdll.dll");
+			is_wine = ntdll.get_proc<void*>("wine_get_version") != nullptr;
+
+			is_wine_set = true;
+		}
+
+		return is_wine;
+	}
+
 	class component final : public component_interface
 	{
 	public:
@@ -137,9 +155,12 @@ namespace arxan
 		void post_unpack() override
 		{
 			// cba to implement sp, not sure if it's even needed
-			if (game::environment::is_sp()) return;
+			if (game::environment::is_sp())
+			{
+				return;
+			}
 		}
 	};
 }
 
-REGISTER_COMPONENT(arxan::component)
+REGISTER_COMPONENT(arxan::component)

src/client/component/arxan.hpp

@@ -0,0 +1,6 @@
+#pragma once
+
+namespace arxan
+{
+	bool is_wine();
+}

src/client/component/steam_proxy.cpp

@@ -3,6 +3,8 @@
 #include "steam_proxy.hpp"
 #include "scheduler.hpp"
 
+#include "arxan.hpp"
+
 #include <utils/nt.hpp>
 #include <utils/flags.hpp>
 #include <utils/string.hpp>
@@ -102,7 +104,10 @@ namespace steam_proxy
 		void load_client()
 		{
 			const std::filesystem::path steam_path = steam::SteamAPI_GetSteamInstallPath();
-			if (steam_path.empty()) return;
+			if (steam_path.empty()) 
+			{
+				return;
+			}
 
 			utils::nt::library::load(steam_path / "tier0_s64.dll");
 			utils::nt::library::load(steam_path / "vstdlib_s64.dll");

src/client/component/system_check.cpp

@@ -1,6 +1,7 @@
 #include <std_include.hpp>
 #include "loader/component_loader.hpp"
 #include "system_check.hpp"
+#include "arxan.hpp"
 
 #include "game/game.hpp"
 
@@ -64,14 +65,26 @@ namespace system_check
 			return verify_hashes(mp_zone_hashes) && (game::environment::is_dedi() || verify_hashes(sp_zone_hashes));
 		}
 
-		// need to update these values 
 		void verify_binary_version()
 		{
 			const auto value = *reinterpret_cast<DWORD*>(0x1337_b);
-			if (value != 0x60202B6A && value != 0xBC0E9FE)
+
+			if (arxan::is_wine())
 			{
-				throw std::runtime_error("Unsupported Call of Duty: Modern Warfare Remastered version (1.15)");
+				if (value != 0xFFB81262 && value != 0xFFB81143)
+				{
+					return;
+				}
 			}
+			else
+			{
+				if (value != 0x60202B6A && value != 0xBC0E9FE)
+				{
+					return;
+				}
+			}
+
+			throw std::runtime_error("Unsupported Call of Duty: Modern Warfare Remastered version (1.15)");
 		}
 	}