diff --git a/.gitmodules b/.gitmodules
index 0158c89..6d1be60 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,12 +4,7 @@
 [submodule "deps/GSL"]
 	path = deps/GSL
 	url = https://github.com/microsoft/GSL.git
-[submodule "deps/sol2"]
-	path = deps/sol2
-	url = https://github.com/ThePhD/sol2.git
-[submodule "deps/lua"]
-	path = deps/lua
-	url = https://github.com/lua/lua.git
 [submodule "deps/json"]
 	path = deps/json
 	url = https://github.com/nlohmann/json.git
+	branch = develop
diff --git a/deps/json b/deps/json
index e10a3fa..e4643d1 160000
--- a/deps/json
+++ b/deps/json
@@ -1 +1 @@
-Subproject commit e10a3fac8a255433146e3f06a703dc110fc3c3da
+Subproject commit e4643d1f1b03fc7a1d7b65f17e012ca93680cad8
diff --git a/generate.bat b/generate.bat
index 58ba509..95cb0a4 100644
--- a/generate.bat
+++ b/generate.bat
@@ -1,2 +1,3 @@
 @echo off
+call git submodule update --init --recursive
 tools\windows\premake5.exe vs2019
\ No newline at end of file
diff --git a/premake5.lua b/premake5.lua
index be1423b..5d9a3e5 100644
--- a/premake5.lua
+++ b/premake5.lua
@@ -36,32 +36,35 @@ workspace "iw5-gsc-utils"
 	targetdir "%{wks.location}/bin/%{cfg.buildcfg}"
 	targetname "%{prj.name}"
 
+	configurations { "Debug", "Release", }
+
 	language "C++"
+	cppdialect "C++20"
 
 	architecture "x86"
 
-	buildoptions "/std:c++latest"
 	systemversion "latest"
+	symbols "On"
+	staticruntime "On"
+	editandcontinue "Off"
+	warnings "Extra"
+	characterset "ASCII"
 
 	flags
 	{
 		"NoIncrementalLink",
 		"MultiProcessorCompile",
 	}
-
-	configurations { "Debug", "Release", }
-
-	symbols "On"
 	
-	configuration "Release"
+	filter "configurations:Release"
 		optimize "Full"
 		defines { "NDEBUG" }
-	configuration{}
+	filter {}
 
-	configuration "Debug"
+	filter "configurations:Debug"
 		optimize "Debug"
 		defines { "DEBUG", "_DEBUG" }
-	configuration {}
+	filter {}
 
 	startproject "iw5-gsc-utils"
 
diff --git a/src/component/gsc.cpp b/src/component/gsc.cpp
index 1eda243..707c591 100644
--- a/src/component/gsc.cpp
+++ b/src/component/gsc.cpp
@@ -53,8 +53,6 @@ namespace gsc
 		{
 			std::vector<scripting::script_value> args;
 
-			const auto top = game::scr_VmPub->top;
-
 			for (auto i = 0; i < game::scr_VmPub->outparamcount; i++)
 			{
 				const auto value = game::scr_VmPub->top[-i];
@@ -380,7 +378,7 @@ namespace gsc
 				return {};
 			});
 
-			function::add("dropallbots", [](const function_args& args) -> scripting::script_value
+			function::add("dropallbots", [](const function_args&) -> scripting::script_value
 			{
 				for (auto i = 0; i < *game::svs_clientCount; i++)
 				{
@@ -437,7 +435,7 @@ namespace gsc
 				return {};
 			});
 
-			method::add("isbot", [](const game::scr_entref_t ent, const function_args& args) -> scripting::script_value
+			method::add("isbot", [](const game::scr_entref_t ent, const function_args&) -> scripting::script_value
 			{
 				if (ent.classnum != 0)
 				{
@@ -454,6 +452,23 @@ namespace gsc
 				return game::svs_clients[client].bIsTestClient;
 			});
 
+			method::add("arecontrolsfrozen", [](const game::scr_entref_t ent, const function_args&) -> scripting::script_value
+			{
+				if (ent.classnum != 0)
+				{
+					throw std::runtime_error("Invalid entity");
+				}
+
+				const auto client = ent.entnum;
+
+				if (game::g_entities[client].client == nullptr)
+				{
+					throw std::runtime_error("Not a player entity");
+				}
+
+				return {(game::g_entities[client].client->flags & 4) != 0};
+			});
+
 			utils::hook::jump(0x56C8EB, call_builtin_stub);
 			utils::hook::jump(0x56CBDC, call_builtin_method_stub);
 		}
diff --git a/src/component/userinfo.cpp b/src/component/userinfo.cpp
index 3fe1635..9f4c742 100644
--- a/src/component/userinfo.cpp
+++ b/src/component/userinfo.cpp
@@ -110,7 +110,7 @@ namespace userinfo
 				return {};
 			});
 
-			gsc::method::add("resetname", [](const game::scr_entref_t ent, const gsc::function_args& args) -> scripting::script_value
+			gsc::method::add("resetname", [](const game::scr_entref_t ent, const gsc::function_args&) -> scripting::script_value
 			{
 				if (ent.classnum != 0)
 				{
@@ -150,7 +150,7 @@ namespace userinfo
 				return {};
 			});
 
-			gsc::method::add("resetclantag", [](const game::scr_entref_t ent, const gsc::function_args& args) -> scripting::script_value
+			gsc::method::add("resetclantag", [](const game::scr_entref_t ent, const gsc::function_args&) -> scripting::script_value
 			{
 				if (ent.classnum != 0)
 				{
@@ -170,7 +170,7 @@ namespace userinfo
 				return {};
 			});
 
-			gsc::method::add("removeclantag", [](const game::scr_entref_t ent, const gsc::function_args& args) -> scripting::script_value
+			gsc::method::add("removeclantag", [](const game::scr_entref_t ent, const gsc::function_args&) -> scripting::script_value
 			{
 				if (ent.classnum != 0)
 				{
diff --git a/src/dllmain.cpp b/src/dllmain.cpp
index c84d121..323e9f2 100644
--- a/src/dllmain.cpp
+++ b/src/dllmain.cpp
@@ -1,7 +1,7 @@
 #include <stdinc.hpp>
 #include "loader/component_loader.hpp"
 
-BOOL APIENTRY DllMain(HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved)
+BOOL APIENTRY DllMain(HMODULE /*hModule*/, DWORD ul_reason_for_call, LPVOID /*lpReserved*/)
 {
     if (ul_reason_for_call == DLL_PROCESS_ATTACH)
     {
diff --git a/src/game/scripting/execution.cpp b/src/game/scripting/execution.cpp
index 7099cc1..9e1769f 100644
--- a/src/game/scripting/execution.cpp
+++ b/src/game/scripting/execution.cpp
@@ -269,8 +269,6 @@ namespace scripting
 		{
 			return get_custom_field(entity, field);
 		}
-
-		return {};
 	}
 
 	unsigned int make_array()
diff --git a/tools/windows/premake5.exe b/tools/windows/premake5.exe
index 9048d51..c73da1f 100644
Binary files a/tools/windows/premake5.exe and b/tools/windows/premake5.exe differ