Merge branch 'develop' into scripting

README.md

@@ -12,7 +12,7 @@ Proof of concept for an Modern Warfare Remastered client. <br>
 ## Compile from source
 
 - Clone the Git repo. Do NOT download it as ZIP, that won't work.
-- Update the submodules and run `premake5 vs2019` or simply use the delivered `generate.bat`.
+- Update the submodules and run `premake5 vs2022` or simply use the delivered `generate.bat`.
 - Build via solution file in `build\h1-mod.sln`.
 
 ### Premake arguments

data/ui_scripts/server_list/__init__.lua

@@ -0,0 +1,143 @@
+local Lobby = luiglobals.Lobby
+local SystemLinkJoinMenu = LUI.mp_menus.SystemLinkJoinMenu
+
+if (not SystemLinkJoinMenu) then
+	return
+end
+
+local offsets = {
+	10,
+	500,
+	950,
+	700,
+	1100,
+}
+
+local columns = {
+	"@MENU_HOST_NAME",
+	"@MENU_MAP",
+	"Players",
+	"@MENU_TYPE1",
+	"Ping",
+}
+
+SystemLinkJoinMenu.AddHeaderButton = function(menu, f12_arg1, width)
+	local state = CoD.CreateState(0, f12_arg1, nil, nil, CoD.AnchorTypes.TopLeft)
+	state.width = width
+	local element = LUI.UIElement.new(state)
+	local button = SystemLinkJoinMenu.CreateButton("header", 24)
+
+	button:addElement(LUI.Divider.new(CoD.CreateState(nil, 0, nil, nil, CoD.AnchorTypes.TopLeftRight), 40, LUI.Divider.Grey))
+	button:makeNotFocusable()
+	button:addElement(LUI.Divider.new(CoD.CreateState(nil, 0, nil, nil, CoD.AnchorTypes.BottomLeftRight), 40, LUI.Divider.Grey))
+	
+	local gettext = function(i)
+		return Engine.Localize(columns[i])
+	end
+	
+	for i = 1, #offsets do
+		SystemLinkJoinMenu.MakeText(button.textHolder, offsets[i], gettext(i), nil)
+	end
+
+	element:addElement(button)
+	menu:addElement(element)
+end
+
+SystemLinkJoinMenu.AddServerButton = function(menu, controller, index)
+	local button = SystemLinkJoinMenu.CreateButton(index or "header", 24)
+	button:makeFocusable()
+	button.index = index
+	button:addEventHandler("button_action", SystemLinkJoinMenu.OnJoinGame)
+
+	local gettext = function(i)
+		return Lobby.GetServerData(controller, index, i - 1)
+	end
+	
+	for i = 1, #offsets do
+		SystemLinkJoinMenu.MakeText(button.textHolder, offsets[i], gettext(i), luiglobals.Colors.h1.medium_grey)
+	end
+
+	menu.list:addElement(button)
+	return button
+end
+
+SystemLinkJoinMenu.MakeText = function(menu, f5_arg1, text, color)
+	local state = CoD.CreateState(f5_arg1, nil, f5_arg1 + 200, nil, CoD.AnchorTypes.Left)
+	state.font = CoD.TextSettings.TitleFontSmall.Font
+	state.top = -6
+	state.height = 14
+	state.alignment = LUI.Alignment.Left
+	state.glow = LUI.GlowState.None
+	state.color = color
+
+	local el = LUI.UIText.new(state)
+	el:registerAnimationState("focused", {
+		color = luiglobals.Colors.white
+	})
+
+	el:registerEventHandler("focused", function(element, event)
+		element:animateToState("focused", 0)
+	end)
+
+	el:registerEventHandler("unfocused", function(element, event)
+		element:animateToState("default", 0)
+	end)
+
+	el:setText(text)
+	menu:addElement(el)
+end
+
+function menu_systemlink_join(f19_arg0, f19_arg1)
+	local width = 1145
+
+	local menu = LUI.MenuTemplate.new(f19_arg0, {
+		menu_title = "@PLATFORM_SYSTEM_LINK_TITLE",
+		menu_width = width,
+		menu_top_indent = 20,
+		disableDeco = true,
+		spacing = 1
+	})
+
+	SystemLinkJoinMenu.AddHeaderButton(menu, 80, width)
+	SystemLinkJoinMenu.AddLowerCounter(menu, width)
+	SystemLinkJoinMenu.UpdateCounterText(menu, nil)
+	Lobby.BuildServerList(Engine.GetFirstActiveController())
+
+	menu.list:registerEventHandler(LUI.UIScrollIndicator.UpdateEvent, function(element, event)
+		SystemLinkJoinMenu.UpdateCounterText(menu, event)
+	end)
+
+	SystemLinkJoinMenu.UpdateGameList(menu)
+	menu:registerEventHandler("updateGameList", SystemLinkJoinMenu.UpdateGameList)
+	menu:addElement(LUI.UITimer.new(250, "updateGameList"))
+
+	LUI.ButtonHelperText.ClearHelperTextObjects(menu.help, {
+		side = "all"
+	})
+
+	menu:AddHelp({
+		name = "add_button_helper_text",
+		button_ref = "button_alt1",
+		helper_text = Engine.Localize("@MENU_SB_TOOLTIP_BTN_REFRESH"),
+		side = "right",
+		clickable = true,
+		priority = -1000
+	}, function(f21_arg0, f21_arg1)
+		SystemLinkJoinMenu.RefreshServers(f21_arg0, f21_arg1, menu)
+	end)
+
+	menu:AddHelp({
+		name = "add_button_helper_text",
+		button_ref = "button_action",
+		helper_text = Engine.Localize("@MENU_JOIN_GAME1"),
+		side = "left",
+		clickable = false,
+		priority = -1000
+	}, nil, nil, true)
+
+	menu:AddBackButton()
+
+	return menu
+end
+
+LUI.MenuBuilder.m_types_build["menu_systemlink_join"] = menu_systemlink_join

generate.bat

@@ -1,3 +1,3 @@
 @echo off
 git submodule update --init --recursive
-tools\premake5 %* vs2019
+tools\premake5 %* vs2022

premake5.lua

@@ -227,10 +227,12 @@ targetdir "%{wks.location}/bin/%{cfg.platform}/%{cfg.buildcfg}"
 
 configurations {"Debug", "Release"}
 
-architecture "x64"
+language "C++"
+cppdialect "C++20"
+
+architecture "x86_64"
 platforms "x64"
 
-buildoptions "/std:c++latest"
 systemversion "latest"
 symbols "On"
 staticruntime "On"
@@ -248,25 +250,22 @@ end
 
 flags {"NoIncrementalLink", "NoMinimalRebuild", "MultiProcessorCompile", "No64BitChecks"}
 
+filter "platforms:x64"
+	defines {"_WINDOWS", "WIN32"}
+filter {}
 
-configuration "windows"
-defines {"_WINDOWS", "WIN32"}
+filter "configurations:Release"
+	optimize "Size"
+	buildoptions {"/GL"}
+	linkoptions { "/IGNORE:4702", "/LTCG" }
+	defines {"NDEBUG"}
+	flags {"FatalCompileWarnings"}
+filter {}
 
-configuration "Release"
-optimize "Size"
-buildoptions {"/GL"}
-linkoptions { "/IGNORE:4702", "/LTCG" }
-
-defines {"NDEBUG"}
-
-flags {"FatalCompileWarnings"}
-
-configuration "Debug"
-optimize "Debug"
-
-defines {"DEBUG", "_DEBUG"}
-
-configuration {}
+filter "configurations:Debug"
+	optimize "Debug"
+	defines {"DEBUG", "_DEBUG"}
+filter {}
 
 project "common"
 kind "StaticLib"

src/client/component/console.cpp

@@ -254,7 +254,7 @@ namespace console
 		{
 			std::string cmd;
 
-			while (true)
+			while (!this->terminate_runner_)
 			{
 				std::getline(std::cin, cmd);
 				command::execute(cmd);

src/client/component/dedicated.cpp

@@ -196,9 +196,6 @@ namespace dedicated
 			// Disable r_preloadShaders
 			dvars::override::register_bool("r_preloadShaders", false, game::DVAR_FLAG_READ);
 
-			// Don't allow sv_hostname to be changed by the game
-			dvars::disable::set_string("sv_hostname");
-
 			// Stop crashing from sys_errors
 			utils::hook::jump(0x140511520, sys_error_stub);
 

src/client/component/discord.cpp

@@ -49,17 +49,21 @@ namespace discord
 
 					discord_presence.details = utils::string::va("%s on %s", gametype, mapname);
 
-					auto host_name = game::Dvar_FindVar("sv_hostname")->current.string;
-					auto max_clients = game::Dvar_FindVar("sv_maxclients")->current.integer;
+					char clean_hostname[0x100] = {0};
+					utils::string::strip(game::Dvar_FindVar("sv_hostname")->current.string, 
+						clean_hostname, sizeof(clean_hostname));
+					auto max_clients = party::server_client_count();
+
+					// When true, we are in Private Match
 					if (game::SV_Loaded())
 					{
-						max_clients = party::server_client_count();
+						strcpy_s(clean_hostname, "Private Match");
+						max_clients = game::Dvar_FindVar("sv_maxclients")->current.integer;
 					}
 
-					auto clients = *(reinterpret_cast<int*>(0x14621BE00));
-					discord_presence.partySize = clients;
+					discord_presence.partySize = *reinterpret_cast<int*>(0x1429864C4);
 					discord_presence.partyMax = max_clients;
-					discord_presence.state = host_name;
+					discord_presence.state = clean_hostname;
 					discord_presence.largeImageKey = map;
 				}
 				else if (game::environment::is_sp())

src/client/component/dvars.cpp

@@ -435,7 +435,7 @@ namespace dvars
 			dvar_set_float_hook.create(SELECT_VALUE(0x1403C7420, 0x1404FD360), &dvar_set_float);
 			dvar_set_int_hook.create(SELECT_VALUE(0x1403C76C0, 0x1404FD5E0), &dvar_set_int);
 			dvar_set_string_hook.create(SELECT_VALUE(0x1403C7900, 0x1404FD8D0), &dvar_set_string);
-			dvar_set_from_string_hook.create(SELECT_VALUE(0, 0x1404FD520), &dvar_set_from_string);
+			dvar_set_from_string_hook.create(SELECT_VALUE(0x1403C7620, 0x1404FD520), &dvar_set_from_string);
 		}
 	};
 }

src/client/component/exception.cpp

@@ -16,7 +16,6 @@
 #include <version.hpp>
 
 #include "game/dvars.hpp"
-#include <utils/flags.hpp>
 
 namespace exception
 {
@@ -255,17 +254,6 @@ namespace exception
 		{
 			dvars::cg_legacyCrashHandling = dvars::register_bool("cg_legacyCrashHandling", 
 				false, game::DVAR_FLAG_SAVED, true);
-
-			// Could cause memory leaks but fixes possible out of memory (12) errors
-			const auto has_flag = utils::flags::has_flag("memoryfix");
-			if (has_flag)
-			{
-				utils::hook::jump(0x140578BE0, malloc);
-				utils::hook::jump(0x140578B00, _aligned_malloc);
-				utils::hook::jump(0x140578C40, free);
-				utils::hook::jump(0x140578D30, realloc);
-				utils::hook::jump(0x140578B60, _aligned_realloc);
-			}
 		}
 	};
 }

src/client/component/fastfiles.cpp

@@ -0,0 +1,49 @@
+#include <std_include.hpp>
+#include "loader/component_loader.hpp"
+#include "fastfiles.hpp"
+
+#include "command.hpp"
+#include "console.hpp"
+
+#include <utils/hook.hpp>
+#include <utils/concurrency.hpp>
+
+namespace fastfiles
+{
+	static utils::concurrency::container<std::string> current_fastfile;
+
+	namespace
+	{
+		utils::hook::detour db_try_load_x_file_internal_hook;
+
+		void db_try_load_x_file_internal(const char* zone_name, const int flags)
+		{
+			printf("Loading fastfile %s\n", zone_name);
+			current_fastfile.access([&](std::string& fastfile)
+			{
+				fastfile = zone_name;
+			});
+			db_try_load_x_file_internal_hook.invoke<void>(zone_name, flags);
+		}
+	}
+
+	std::string get_current_fastfile()
+	{
+		return current_fastfile.access<std::string>([&](std::string& fastfile)
+		{
+			return fastfile;
+		});
+	}
+
+	class component final : public component_interface
+	{
+	public:
+		void post_unpack() override
+		{
+			db_try_load_x_file_internal_hook.create(
+				SELECT_VALUE(0x1401CDDD0, 0x1402BFFE0), &db_try_load_x_file_internal);
+		}
+	};
+}
+
+REGISTER_COMPONENT(fastfiles::component)

src/client/component/fastfiles.hpp

@@ -0,0 +1,8 @@
+#pragma once
+
+#include "game/game.hpp"
+
+namespace fastfiles
+{
+	std::string get_current_fastfile();
+}

src/client/component/game_console.cpp

@@ -555,7 +555,7 @@ namespace game_console
 	{
 		if (key == game::keyNum_t::K_F10)
 		{
-			if (game::mp::svs_clients[local_client_num].header.state >= 1)
+			if (!game::Com_InFrontEnd())
 			{
 				return false;
 			}

src/client/component/lui.cpp

@@ -15,11 +15,6 @@ namespace lui
 	public:
 		void post_unpack() override
 		{
-			if (!game::environment::is_mp())
-			{
-				return;
-			}
-
 			// Don't show create cod account popup
 			//utils::hook::set<uint32_t>(0x14017C957, 0); // H1(1.4)
 

src/client/component/network.cpp

@@ -27,12 +27,19 @@ namespace network
 			const auto cmd_string = utils::string::to_lower(command);
 			auto& callbacks = get_callbacks();
 			const auto handler = callbacks.find(cmd_string);
+
 			if (handler == callbacks.end())
 			{
 				return false;
 			}
 
 			const auto offset = cmd_string.size() + 5;
+
+			if (message->cursize <= offset)
+			{
+				return false;
+			}
+
 			const std::string_view data(message->data + offset, message->cursize - offset);
 
 			handler->second(*address, data);

src/client/component/patches.cpp

@@ -2,18 +2,18 @@
 #include "loader/component_loader.hpp"
 
 #include "dvars.hpp"
+#include "version.h"
+#include "command.hpp"
+#include "console.hpp"
+#include "network.hpp"
+#include "scheduler.hpp"
 
 #include "game/game.hpp"
 #include "game/dvars.hpp"
 
 #include <utils/hook.hpp>
 #include <utils/string.hpp>
-#include <component/scheduler.hpp>
-
-#include "version.h"
-#include <component/command.hpp>
-#include <component/console.hpp>
-#include <component/network.hpp>
+#include <utils/flags.hpp>
 
 namespace patches
 {
@@ -258,6 +258,19 @@ namespace patches
 
 			// Prevent clients from sending invalid reliableAcknowledge
 			// utils::hook::call(0x1404899C6, sv_execute_client_message_stub); // H1(1.4)
+
+			// "fix" for rare 'Out of memory error' error
+			if (utils::flags::has_flag("memoryfix"))
+			{
+				utils::hook::jump(0x140578BE0, malloc);
+				utils::hook::jump(0x140578B00, _aligned_malloc);
+				utils::hook::jump(0x140578C40, free);
+				utils::hook::jump(0x140578D30, realloc);
+				utils::hook::jump(0x140578B60, _aligned_realloc);
+			}
+
+			// Change default hostname and make it replicated
+			dvars::override::register_string("sv_hostname", "^2H1-Mod^7 Default Server", game::DVAR_FLAG_REPLICATED);
 		}
 	};
 }

src/client/component/server_list.cpp

@@ -151,6 +151,11 @@ namespace server_list
 				return servers[i].game_type.empty() ? "" : utils::string::va("%s", servers[i].game_type.data());
 			}
 
+			if (column == 4)
+			{
+				return servers[i].game_type.empty() ? "" : utils::string::va("%i", servers[i].ping);
+			}
+
 			return "";
 		}
 

src/client/component/ui_scripting.cpp

@@ -0,0 +1,180 @@
+#include <std_include.hpp>
+#include "loader/component_loader.hpp"
+
+#include "game/game.hpp"
+#include "game/dvars.hpp"
+
+#include "scheduler.hpp"
+#include "command.hpp"
+
+#include "ui_scripting.hpp"
+
+#include "game/ui_scripting/lua/engine.hpp"
+#include "game/ui_scripting/execution.hpp"
+#include "game/ui_scripting/lua/error.hpp"
+
+#include <utils/string.hpp>
+#include <utils/hook.hpp>
+
+namespace ui_scripting
+{
+	namespace
+	{
+		std::unordered_map<game::hks::cclosure*, sol::protected_function> converted_functions;
+
+		utils::hook::detour hksi_lual_error_hook;
+		utils::hook::detour hksi_lual_error_hook2;
+		utils::hook::detour hks_start_hook;
+		utils::hook::detour hks_shutdown_hook;
+		utils::hook::detour hks_allocator_hook;
+		utils::hook::detour hks_frame_hook;
+
+		bool error_hook_enabled = false;
+
+		void hksi_lual_error_stub(game::hks::lua_State* s, const char* fmt, ...)
+		{
+			char va_buffer[2048] = {0};
+
+			va_list ap;
+			va_start(ap, fmt);
+			vsprintf_s(va_buffer, fmt, ap);
+			va_end(ap);
+
+			const auto formatted = std::string(va_buffer);
+
+			if (!error_hook_enabled)
+			{
+				return hksi_lual_error_hook.invoke<void>(s, formatted.data());
+			}
+			else
+			{
+				throw std::runtime_error(formatted);
+			}
+		}
+
+		void* hks_start_stub(char a1)
+		{
+			const auto _1 = gsl::finally([]()
+			{
+				ui_scripting::lua::engine::start();
+			});
+
+			return hks_start_hook.invoke<void*>(a1);
+		}
+
+		void hks_shutdown_stub()
+		{
+			ui_scripting::lua::engine::stop();
+			hks_shutdown_hook.invoke<void*>();
+		}
+
+		void* hks_allocator_stub(void* userData, void* oldMemory, unsigned __int64 oldSize, unsigned __int64 newSize)
+		{
+			const auto closure = reinterpret_cast<game::hks::cclosure*>(oldMemory);
+			if (converted_functions.find(closure) != converted_functions.end())
+			{
+				converted_functions.erase(closure);
+			}
+
+			return hks_allocator_hook.invoke<void*>(userData, oldMemory, oldSize, newSize);
+		}
+
+		void hks_frame_stub()
+		{
+			const auto state = *game::hks::lua_state;
+			if (state)
+			{
+				ui_scripting::lua::engine::run_frame();
+			}
+		}
+	}
+
+	int main_function_handler(game::hks::lua_State* state)
+	{
+		const auto value = state->m_apistack.base[-1];
+		if (value.t != game::hks::TCFUNCTION)
+		{
+			return 0;
+		}
+
+		const auto closure = reinterpret_cast<game::hks::cclosure*>(value.v.cClosure);
+		if (converted_functions.find(closure) == converted_functions.end())
+		{
+			return 0;
+		}
+
+		const auto function = converted_functions[closure];
+		const auto count = static_cast<int>(state->m_apistack.top - state->m_apistack.base);
+		const auto arguments = get_return_values(count);
+		const auto s = function.lua_state();
+
+		std::vector<sol::lua_value> converted_args;
+
+		for (const auto& argument : arguments)
+		{
+			converted_args.push_back(lua::convert(s, argument));
+		}
+
+		const auto results = function(sol::as_args(converted_args));
+		lua::handle_error(results);
+
+		for (const auto& result : results)
+		{
+			push_value(lua::convert({s, result}));
+		}
+
+		return results.return_count();
+	}
+
+	void add_converted_function(game::hks::cclosure* closure, const sol::protected_function& function)
+	{
+		converted_functions[closure] = function;
+	}
+
+	void clear_converted_functions()
+	{
+		converted_functions.clear();
+	}
+
+	void enable_error_hook()
+	{
+		error_hook_enabled = true;
+	}
+
+	void disable_error_hook()
+	{
+		error_hook_enabled = false;
+	}
+
+	class component final : public component_interface
+	{
+	public:
+
+		void post_unpack() override
+		{
+			if (game::environment::is_dedi())
+			{
+				return;
+			}
+
+			hks_start_hook.create(SELECT_VALUE(0x1400E4B40, 0x140176A40), hks_start_stub);
+			hks_shutdown_hook.create(SELECT_VALUE(0x1400DD3D0, 0x14016CA80), hks_shutdown_stub);
+			hksi_lual_error_hook.create(SELECT_VALUE(0x1400A5EA0, 0x14012F300), hksi_lual_error_stub);
+			hks_allocator_hook.create(SELECT_VALUE(0x14009B570, 0x14012BAC0), hks_allocator_stub);
+			hks_frame_hook.create(SELECT_VALUE(0x1400E37F0, 0x1401755B0), hks_frame_stub);
+
+			if (game::environment::is_mp())
+			{
+				hksi_lual_error_hook2.create(0x1401366B0, hksi_lual_error_stub);
+			}
+
+			command::add("lui_restart", []()
+			{
+				utils::hook::invoke<void>(SELECT_VALUE(0x1400DD3D0, 0x14016CA80));
+				utils::hook::invoke<void>(SELECT_VALUE(0x1400E6170, 0x1401780D0));
+			});
+		}
+	};
+}
+
+REGISTER_COMPONENT(ui_scripting::component)

src/client/component/ui_scripting.hpp

@@ -0,0 +1,12 @@
+#pragma once
+#include "game/ui_scripting/lua/value_conversion.hpp"
+
+namespace ui_scripting
+{
+	int main_function_handler(game::hks::lua_State* state);
+	void add_converted_function(game::hks::cclosure* closure, const sol::protected_function& function);
+	void clear_converted_functions();
+
+	void enable_error_hook();
+	void disable_error_hook();
+}

src/client/game/demonware/data_types.hpp

@@ -141,4 +141,33 @@ namespace demonware
 			buffer->read_string(&this->timezone);
 		}
 	};
+
+	// made up name
+	class bdFile final : public bdTaskResult
+	{
+	public:
+		uint64_t owner_id;
+		std::string platform;
+		std::string filename;
+		uint32_t unk;
+		std::string data;
+
+		void serialize(byte_buffer* buffer) override
+		{
+			buffer->write_uint64(this->owner_id);
+			buffer->write_string(this->platform);
+			buffer->write_string(this->filename);
+			buffer->write_uint32(this->unk);
+			buffer->write_blob(this->data);
+		}
+
+		void deserialize(byte_buffer* buffer) override
+		{
+			buffer->read_uint64(&this->owner_id);
+			buffer->read_string(&this->platform);
+			buffer->read_string(&this->filename);
+			buffer->read_uint32(&this->unk);
+			buffer->read_blob(&this->data);
+		}
+	};
 }

src/client/game/demonware/services/bdStorage.cpp

@@ -66,17 +66,24 @@ namespace demonware
 
 	void bdStorage::list_publisher_files(service_server* server, byte_buffer* buffer)
 	{
+#ifdef DEBUG
+		utils::io::write_file("demonware/bdStorage/list_publisher_files", buffer->get_buffer());
+#endif
+
 		uint32_t date;
 		uint16_t num_results, offset;
-		std::string filename, data;
+		std::string unk, filename, data;
 
-		int out{};
-		buffer->read(2, &out);
+		buffer->read_string(&unk);
 		buffer->read_uint32(&date);
 		buffer->read_uint16(&num_results);
 		buffer->read_uint16(&offset);
 		buffer->read_string(&filename);
 
+#ifdef DEBUG
+		printf("[DW]: [bdStorage]: list publisher files: %s\n", filename.data());
+#endif
+
 		auto reply = server->create_reply(this->task_id());
 
 		if (this->load_publisher_resource(filename, data))
@@ -99,9 +106,12 @@ namespace demonware
 
 	void bdStorage::get_publisher_file(service_server* server, byte_buffer* buffer)
 	{
-		std::string filename;
-		int out{};
-		buffer->read(2, &out);
+#ifdef DEBUG
+		utils::io::write_file("demonware/bdStorage/get_publisher_file", buffer->get_buffer());
+#endif
+
+		std::string unk, filename;
+		buffer->read_string(&unk);
 		buffer->read_string(&filename);
 
 #ifdef DEBUG
@@ -133,15 +143,31 @@ namespace demonware
 
 	void bdStorage::set_user_file(service_server* server, byte_buffer* buffer) const
 	{
-		bool priv;
+#ifdef DEBUG
+		utils::io::write_file("demonware/bdStorage/set_user_file", buffer->get_buffer());
+#endif
+
 		uint64_t owner;
-		std::string game, filename, data;
+		uint32_t numfiles;
+		std::string game, platform;
 
 		buffer->read_string(&game);
-		buffer->read_string(&filename);
-		buffer->read_bool(&priv);
-		buffer->read_blob(&data);
 		buffer->read_uint64(&owner);
+		buffer->read_string(&platform);
+		buffer->read_uint32(&numfiles);
+
+		auto reply = server->create_reply(this->task_id());
+
+		for (uint32_t i = 0; i < numfiles; i++)
+		{
+			std::string filename, data;
+			uint32_t unk;
+			bool priv;
+
+			buffer->read_string(&filename);
+			buffer->read_blob(&data);
+			buffer->read_uint32(&unk);
+			buffer->read_bool(&priv);
 
 			const auto path = get_user_file_path(filename);
 			utils::io::write_file(path, data);
@@ -153,35 +179,68 @@ namespace demonware
 			info->create_time = uint32_t(time(nullptr));
 			info->modified_time = info->create_time;
 			info->file_size = uint32_t(data.size());
-		info->owner_id = owner;
+			info->owner_id = uint64_t(owner);
 			info->priv = priv;
 
-		auto reply = server->create_reply(this->task_id());
+#ifdef DEBUG
+			printf("[DW]: [bdStorage]: set user file: %s\n", filename.data());
+#endif
+
 			reply->add(info);
+		}
+
 		reply->send();
 	}
 
 	void bdStorage::get_user_file(service_server* server, byte_buffer* buffer) const
 	{
-		uint64_t owner{};
-		std::string game, filename, platform, data;
-
-		int out{};
-		buffer->read(2, &out);
-		buffer->read_string(&game);
-		buffer->read_string(&filename);
-		buffer->read_uint64(&owner);
-		buffer->read_string(&platform);
-
 #ifdef DEBUG
-		printf("[DW]: [bdStorage]: user file: %s, %s, %s\n", game.data(), filename.data(), platform.data());
+		utils::io::write_file("demonware/bdStorage/get_user_file", buffer->get_buffer());
 #endif
 
-		const auto path = get_user_file_path(filename);
-		if (utils::io::read_file(path, &data))
-		{
+		uint32_t unk32_0;
+		uint32_t numfiles, count = 0;
+		uint64_t owner;
+		std::string game, platform;
+
+		buffer->read_string(&game);
+		buffer->read_uint32(&unk32_0);
+		buffer->read_uint64(&owner);
+		buffer->read_string(&platform);
+		buffer->read_uint64(&owner);
+		buffer->read_string(&platform);
+		buffer->read_uint32(&numfiles);
+
 		auto reply = server->create_reply(this->task_id());
-			reply->add(new bdFileData(data));
+
+		for (uint32_t i = 0; i < numfiles; i++)
+		{
+			std::string filename, data;
+			buffer->read_string(&filename);
+
+			const auto path = get_user_file_path(filename);
+			if (!utils::io::read_file(path, &data))
+			{
+				continue;
+			}
+
+			auto response = new bdFile;
+			response->owner_id = owner;
+			response->unk = 0;
+			response->platform = platform;
+			response->filename = filename;
+			response->data = data;
+
+			reply->add(response);
+			++count;
+
+#ifdef DEBUG
+			printf("[DW]: [bdStorage]: get user file: %s, %s, %s\n", game.data(), filename.data(), platform.data());
+#endif
+		}
+
+		if (count == numfiles)
+		{
 			reply->send();
 		}
 		else
@@ -192,6 +251,10 @@ namespace demonware
 
 	void bdStorage::unk12(service_server* server, byte_buffer* buffer) const
 	{
+#ifdef DEBUG
+		utils::io::write_file("demonware/bdStorage/unk12", buffer->get_buffer());
+#endif
+
 		// TODO:
 		auto reply = server->create_reply(this->task_id());
 		reply->send();

src/client/game/structs.hpp

@@ -1397,7 +1397,7 @@ namespace game
 			LiveClientDropType liveDropRequest; //269572
 			char __pad4[24];
 			TestClientType testClient; // 269600
-			char __pad5[391700];
+			char __pad5[610012];
 		}; // size = 661304
 	}
 

src/client/game/symbols.hpp

@@ -29,8 +29,9 @@ namespace game
 
 	WEAK symbol<void(unsigned int weapon, bool isAlternate, char* output, unsigned int maxStringLen)> BG_GetWeaponNameComplete{0x0, 0x140165580}; // H1MP
 
-	WEAK symbol<void()> Com_Frame_Try_Block_Function{0, 0x1400D8310};
+	WEAK symbol<void()> Com_Frame_Try_Block_Function{0x1401CE8D0, 0x1400D8310};
 	WEAK symbol<CodPlayMode()> Com_GetCurrentCoDPlayMode{0, 0x1405039A0};
+	WEAK symbol<bool()> Com_InFrontEnd{0x1400E4B30, 0x140176A30};
 	WEAK symbol<void(float, float, int)> Com_SetSlowMotion{0, 0x1400DB790};
 	WEAK symbol<void(errorParm code, const char* message, ...)> Com_Error{0x1403509C0, 0x1400D78A0};
 	WEAK symbol<void()> Com_Quit_f{0x140352BE0, 0x1400DA830};
@@ -74,7 +75,7 @@ namespace game
 	WEAK symbol<void()> G_Glass_Update{0, 0x14033A640};
 	WEAK symbol<int(int clientNum)> G_GetClientScore{0, 0x140342F90};
 
-	WEAK symbol<char* (char* string)> I_CleanStr{0x1403CD230, 0x140503D00};
+	WEAK symbol<char*(char* string)> I_CleanStr{0x1403CD230, 0x140503D00};
 
 	WEAK symbol<const char* (int, int, int)> Key_KeynumToString{0x140187CC0, 0x14024FE10};
 
@@ -118,9 +119,9 @@ namespace game
 
 	WEAK symbol<int(XAssetType type)> DB_GetXAssetTypeSize{0x14019A3B0, 0x14028BE70};
 
-	WEAK symbol<void(int clientNum, const char* menu, int a3, int a4, unsigned int a5)> LUI_OpenMenu{0, 0x1404CD210};
+	WEAK symbol<void(int clientNum, const char* menu, int a3, int a4, unsigned int a5)> LUI_OpenMenu{0x14039D5F0, 0x1404CD210};
 
-	WEAK symbol<bool(int clientNum, const char* menu)> Menu_IsMenuOpenAndVisible{0, 0x1404C7320};
+	WEAK symbol<bool(int clientNum, const char* menu)> Menu_IsMenuOpenAndVisible{0x1404709C0, 0x1404C7320};
 
 	WEAK symbol<scr_string_t(const char* str)> SL_FindString{0x140314AF0, 0x14043B470};
 	WEAK symbol<scr_string_t(const char* str, unsigned int user)> SL_GetString{0x140314D90, 0x14043B840}; // H1MP
@@ -161,8 +162,8 @@ namespace game
 
 	WEAK symbol<const char* (const char*)> UI_GetMapDisplayName{0, 0x140408CC0};
 	WEAK symbol<const char* (const char*)> UI_GetGameTypeDisplayName{0, 0x1404086A0};
-	WEAK symbol<void(unsigned int localClientNum, const char** args)> UI_RunMenuScript{0, 0x1404CFE60};
-	WEAK symbol<int(const char* text, int maxChars, Font_s* font, float scale)> UI_TextWidth{0, 0x1404D21A0};
+	WEAK symbol<void(unsigned int localClientNum, const char** args)> UI_RunMenuScript{0x14039EFF0, 0x1404CFE60};
+	WEAK symbol<int(const char* text, int maxChars, Font_s* font, float scale)> UI_TextWidth{0x1403A0F20, 0x1404D21A0};
 
 	WEAK symbol<const char*(const char* string)> UI_SafeTranslateString{0x140350430, 0x14041C580};
 
@@ -221,4 +222,19 @@ namespace game
 	{
 		WEAK symbol<gentity_s> g_entities{0x14550DD90, 0};
 	}
+
+	namespace hks
+	{
+		WEAK symbol<lua_State*> lua_state{0x141E2C2F8, 0x1426D3D08};
+		WEAK symbol<void(lua_State* s, const char* str, unsigned int l)> hksi_lua_pushlstring{0x14004DA90, 0x1400624F0};
+		WEAK symbol<HksObject*(HksObject* result, lua_State* s, const HksObject* table, const HksObject* key)> hks_obj_getfield{0x14009C0A0, 0x14012C600};
+		WEAK symbol<void(lua_State* s, const HksObject* tbl, const HksObject* key, const HksObject* val)> hks_obj_settable{0x14009D240, 0x14012D820};
+		WEAK symbol<HksObject* (HksObject* result, lua_State* s, const HksObject* table, const HksObject* key)> hks_obj_gettable{0x14009C580, 0x14012CAE0};
+		WEAK symbol<void(lua_State* s, int nargs, int nresults, const unsigned int* pc)> vm_call_internal{0x1400C87A0, 0x140159EB0};
+		WEAK symbol<HashTable*(lua_State* s, unsigned int arraySize, unsigned int hashSize)> Hashtable_Create{0x14008B3B0, 0x14011B320};
+		WEAK symbol<cclosure*(lua_State* s, lua_function function, int num_upvalues, 
+			int internal_, int profilerTreatClosureAsFunc)> cclosure_Create{0x14008B5D0, 0x14011B540};
+		WEAK symbol<int(lua_State* s, int t)> hksi_luaL_ref{0x1400A64D0, 0x140136D30};
+		WEAK symbol<void(lua_State* s, int t, int ref)> hksi_luaL_unref{0x14009EF10, 0x14012F610};
+	}
 }

src/client/game/ui_scripting/execution.cpp

@@ -0,0 +1,161 @@
+#include <std_include.hpp>
+#include "execution.hpp"
+#include "component/ui_scripting.hpp"
+
+#include <utils/string.hpp>
+
+namespace ui_scripting
+{
+	void push_value(const script_value& value)
+	{
+		const auto state = *game::hks::lua_state;
+		const auto value_ = value.get_raw();
+		*state->m_apistack.top = value_;
+		state->m_apistack.top++;
+	}
+
+	script_value get_return_value(int offset)
+	{
+		const auto state = *game::hks::lua_state;
+		return state->m_apistack.top[-1 - offset];
+	}
+
+	arguments get_return_values(int count)
+	{
+		arguments values;
+
+		for (auto i = count - 1; i >= 0; i--)
+		{
+			values.push_back(get_return_value(i));
+		}
+
+		if (values.size() == 0)
+		{
+			values.push_back({});
+		}
+
+		return values;
+	}
+
+	arguments call_script_function(const function& function, const arguments& arguments)
+	{
+		const auto state = *game::hks::lua_state;
+		state->m_apistack.top = state->m_apistack.base;
+
+		push_value(function);
+		for (auto i = arguments.begin(); i != arguments.end(); ++i)
+		{
+			push_value(*i);
+		}
+
+		const auto _1 = gsl::finally(&disable_error_hook);
+		enable_error_hook();
+
+		try
+		{
+			game::hks::vm_call_internal(state, static_cast<int>(arguments.size()), -1, 0);
+			const auto count = static_cast<int>(state->m_apistack.top - state->m_apistack.base);
+			return get_return_values(count);
+		}
+		catch (const std::exception& e)
+		{
+			throw std::runtime_error(std::string("Error executing script function: ") + e.what());
+		}
+	}
+
+	script_value get_field(const userdata& self, const script_value& key)
+	{
+		const auto state = *game::hks::lua_state;
+		state->m_apistack.top = state->m_apistack.base;
+
+		push_value(key);
+
+		const auto _1 = gsl::finally(&disable_error_hook);
+		enable_error_hook();
+
+		game::hks::HksObject value{};
+		game::hks::HksObject userdata{};
+		userdata.t = game::hks::TUSERDATA;
+		userdata.v.ptr = self.ptr;
+
+		try
+		{
+			game::hks::hks_obj_gettable(&value, state, &userdata, &state->m_apistack.top[-1]);
+			return value;
+		}
+		catch (const std::exception& e)
+		{
+			throw std::runtime_error(std::string("Error getting userdata field: ") + e.what());
+		}
+	}
+
+	script_value get_field(const table& self, const script_value& key)
+	{
+		const auto state = *game::hks::lua_state;
+		state->m_apistack.top = state->m_apistack.base;
+
+		push_value(key);
+
+		const auto _1 = gsl::finally(&disable_error_hook);
+		enable_error_hook();
+
+		game::hks::HksObject value{};
+		game::hks::HksObject userdata{};
+		userdata.t = game::hks::TTABLE;
+		userdata.v.ptr = self.ptr;
+
+		try
+		{
+			game::hks::hks_obj_gettable(&value, state, &userdata, &state->m_apistack.top[-1]);
+			return value;
+		}
+		catch (const std::exception& e)
+		{
+			throw std::runtime_error(std::string("Error getting table field: ") + e.what());
+		}
+	}
+
+	void set_field(const userdata& self, const script_value& key, const script_value& value)
+	{
+		const auto state = *game::hks::lua_state;
+		state->m_apistack.top = state->m_apistack.base;
+
+		const auto _1 = gsl::finally(&disable_error_hook);
+		enable_error_hook();
+
+		game::hks::HksObject userdata{};
+		userdata.t = game::hks::TUSERDATA;
+		userdata.v.ptr = self.ptr;
+
+		try
+		{
+			game::hks::hks_obj_settable(state, &userdata, &key.get_raw(), &value.get_raw());
+		}
+		catch (const std::exception& e)
+		{
+			throw std::runtime_error(std::string("Error setting userdata field: ") + e.what());
+		}
+	}
+
+	void set_field(const table& self, const script_value& key, const script_value& value)
+	{
+		const auto state = *game::hks::lua_state;
+		state->m_apistack.top = state->m_apistack.base;
+
+		const auto _1 = gsl::finally(&disable_error_hook);
+		enable_error_hook();
+
+		game::hks::HksObject userdata{};
+		userdata.t = game::hks::TTABLE;
+		userdata.v.ptr = self.ptr;
+
+		try
+		{
+			game::hks::hks_obj_settable(state, &userdata, &key.get_raw(), &value.get_raw());
+		}
+		catch (const std::exception& e)
+		{
+			throw std::runtime_error(std::string("Error setting table field: ") + e.what());
+		}
+	}
+}

src/client/game/ui_scripting/execution.hpp

@@ -0,0 +1,18 @@
+#pragma once
+#include "game/game.hpp"
+#include "types.hpp"
+#include "script_value.hpp"
+
+namespace ui_scripting
+{
+	void push_value(const script_value& value);
+	script_value get_return_value(int offset);
+	arguments get_return_values(int count);
+
+	arguments call_script_function(const function& function, const arguments& arguments);
+
+	script_value get_field(const userdata& self, const script_value& key);
+	script_value get_field(const table& self, const script_value& key);
+	void set_field(const userdata& self, const script_value& key, const script_value& value);
+	void set_field(const table& self, const script_value& key, const script_value& value);
+}

src/client/game/ui_scripting/lua/context.cpp

@@ -0,0 +1,205 @@
+#include <std_include.hpp>
+#include "context.hpp"
+#include "error.hpp"
+#include "value_conversion.hpp"
+#include "../script_value.hpp"
+#include "../execution.hpp"
+
+#include "../../../component/ui_scripting.hpp"
+#include "../../../component/command.hpp"
+
+#include "component/game_console.hpp"
+#include "component/scheduler.hpp"
+
+#include <utils/string.hpp>
+#include <utils/nt.hpp>
+#include <utils/io.hpp>
+
+namespace ui_scripting::lua
+{
+	namespace
+	{
+		void setup_types(sol::state& state, scheduler& scheduler)
+		{
+			struct game
+			{
+			};
+			auto game_type = state.new_usertype<game>("game_");
+			state["game"] = game();
+
+			game_type["ontimeout"] = [&scheduler](const game&, const sol::protected_function& callback,
+			                                      const long long milliseconds)
+			{
+				return scheduler.add(callback, milliseconds, true);
+			};
+
+			game_type["oninterval"] = [&scheduler](const game&, const sol::protected_function& callback,
+			                                       const long long milliseconds)
+			{
+				return scheduler.add(callback, milliseconds, false);
+			};
+
+			auto userdata_type = state.new_usertype<userdata>("userdata_");
+
+			userdata_type["new"] = sol::property(
+				[](const userdata& userdata, const sol::this_state s)
+				{
+					return convert(s, userdata.get("new"));
+				},
+				[](const userdata& userdata, const sol::this_state s, const sol::lua_value& value)
+				{
+					userdata.set("new", convert({s, value}));
+				}
+			);
+
+			
+			userdata_type["get"] = [](const userdata& userdata, const sol::this_state s,
+				const sol::lua_value& key)
+			{
+				return convert(s, userdata.get(convert({s, key})));
+			};
+
+			userdata_type["set"] = [](const userdata& userdata, const sol::this_state s,
+				const sol::lua_value& key, const sol::lua_value& value)
+			{
+				userdata.set(convert({s, key}), convert({s, value}));
+			};
+
+			userdata_type[sol::meta_function::index] = [](const userdata& userdata, const sol::this_state s, 
+				const sol::lua_value& key)
+			{
+				return convert(s, userdata.get(convert({s, key})));
+			};
+
+			userdata_type[sol::meta_function::new_index] = [](const userdata& userdata, const sol::this_state s, 
+				const sol::lua_value& key, const sol::lua_value& value)
+			{
+				userdata.set(convert({s, key}), convert({s, value}));
+			};
+
+			auto table_type = state.new_usertype<table>("table_");
+
+			table_type["new"] = sol::property(
+				[](const table& table, const sol::this_state s)
+				{
+					return convert(s, table.get("new"));
+				},
+				[](const table& table, const sol::this_state s, const sol::lua_value& value)
+				{
+					table.set("new", convert({s, value}));
+				}
+			);
+
+			table_type["get"] = [](const table& table, const sol::this_state s,
+				const sol::lua_value& key)
+			{
+				return convert(s, table.get(convert({s, key})));
+			};
+
+			table_type["set"] = [](const table& table, const sol::this_state s,
+				const sol::lua_value& key, const sol::lua_value& value)
+			{
+				table.set(convert({s, key}), convert({s, value}));
+			};
+
+			table_type[sol::meta_function::index] = [](const table& table, const sol::this_state s,
+				const sol::lua_value& key)
+			{
+				return convert(s, table.get(convert({s, key})));
+			};
+
+			table_type[sol::meta_function::new_index] = [](const table& table, const sol::this_state s,
+				const sol::lua_value& key, const sol::lua_value& value)
+			{
+				table.set(convert({s, key}), convert({s, value}));
+			};
+
+			auto function_type = state.new_usertype<function>("function_");
+
+			function_type[sol::meta_function::call] = [](const function& function, const sol::this_state s, sol::variadic_args va)
+			{
+				arguments arguments{};
+
+				for (auto arg : va)
+				{
+					arguments.push_back(convert({s, arg}));
+				}
+
+				const auto values = function.call(arguments);
+				std::vector<sol::lua_value> returns;
+
+				for (const auto& value : values)
+				{
+					returns.push_back(convert(s, value));
+				}
+
+				return sol::as_returns(returns);
+			};
+
+			state["luiglobals"] = table((*::game::hks::lua_state)->globals.v.table);
+			state["CoD"] = state["luiglobals"]["CoD"];
+			state["LUI"] = state["luiglobals"]["LUI"];
+			state["Engine"] = state["luiglobals"]["Engine"];
+			state["Game"] = state["luiglobals"]["Game"];
+		}
+	}
+
+	context::context(std::string folder)
+		: folder_(std::move(folder))
+		  , scheduler_(state_)
+	{
+		this->state_.open_libraries(sol::lib::base,
+		                            sol::lib::package,
+		                            sol::lib::io,
+		                            sol::lib::string,
+		                            sol::lib::os,
+		                            sol::lib::math,
+		                            sol::lib::table);
+
+		this->state_["include"] = [this](const std::string& file)
+		{
+			this->load_script(file);
+		};
+
+		sol::function old_require = this->state_["require"];
+		auto base_path = utils::string::replace(this->folder_, "/", ".") + ".";
+		this->state_["require"] = [base_path, old_require](const std::string& path)
+		{
+			return old_require(base_path + path);
+		};
+
+		this->state_["scriptdir"] = [this]()
+		{
+			return this->folder_;
+		};
+
+		setup_types(this->state_, this->scheduler_);
+
+		printf("Loading ui script '%s'\n", this->folder_.data());
+		this->load_script("__init__");
+	}
+
+	context::~context()
+	{
+		this->state_.collect_garbage();
+		this->scheduler_.clear();
+		this->state_ = {};
+	}
+
+	void context::run_frame()
+	{
+		this->scheduler_.run_frame();
+		this->state_.collect_garbage();
+	}
+
+	void context::load_script(const std::string& script)
+	{
+		if (!this->loaded_scripts_.emplace(script).second)
+		{
+			return;
+		}
+
+		const auto file = (std::filesystem::path{this->folder_} / (script + ".lua")).generic_string();
+		handle_error(this->state_.safe_script_file(file, &sol::script_pass_on_error));
+	}
+}

src/client/game/ui_scripting/lua/context.hpp

@@ -0,0 +1,36 @@
+#pragma once
+#pragma warning(push)
+#pragma warning(disable: 4702)
+
+#define SOL_ALL_SAFETIES_ON 1
+#define SOL_PRINT_ERRORS 0
+#include <sol/sol.hpp>
+
+#include "scheduler.hpp"
+
+namespace ui_scripting::lua
+{
+	class context
+	{
+	public:
+		context(std::string folder);
+		~context();
+
+		context(context&&) noexcept = delete;
+		context& operator=(context&&) noexcept = delete;
+
+		context(const context&) = delete;
+		context& operator=(const context&) = delete;
+
+		void run_frame();
+
+	private:
+		sol::state state_{};
+		std::string folder_;
+		std::unordered_set<std::string> loaded_scripts_;
+
+		scheduler scheduler_;
+
+		void load_script(const std::string& script);
+	};
+}

src/client/game/ui_scripting/lua/engine.cpp

@@ -0,0 +1,61 @@
+#include <std_include.hpp>
+#include "engine.hpp"
+#include "context.hpp"
+
+#include "../../../component/ui_scripting.hpp"
+#include "../../../component/game_module.hpp"
+
+#include <utils/io.hpp>
+
+namespace ui_scripting::lua::engine
+{
+	namespace
+	{
+		auto& get_scripts()
+		{
+			static std::vector<std::unique_ptr<context>> scripts{};
+			return scripts;
+		}
+
+		void load_scripts(const std::string& script_dir)
+		{
+			if (!utils::io::directory_exists(script_dir))
+			{
+				return;
+			}
+
+			const auto scripts = utils::io::list_files(script_dir);
+
+			for (const auto& script : scripts)
+			{
+				if (std::filesystem::is_directory(script) && utils::io::file_exists(script + "/__init__.lua"))
+				{
+					get_scripts().push_back(std::make_unique<context>(script));
+				}
+			}
+		}
+	}
+
+	void start()
+	{
+		clear_converted_functions();
+		get_scripts().clear();
+		load_scripts(game_module::get_host_module().get_folder() + "/data/ui_scripts/");
+		load_scripts("h1-mod/ui_scripts/");
+		load_scripts("data/ui_scripts/");
+	}
+
+	void stop()
+	{
+		clear_converted_functions();
+		get_scripts().clear();
+	}
+
+	void run_frame()
+	{
+		for (auto& script : get_scripts())
+		{
+			script->run_frame();
+		}
+	}
+}

src/client/game/ui_scripting/lua/engine.hpp

@@ -0,0 +1,8 @@
+#pragma once
+
+namespace ui_scripting::lua::engine
+{
+	void start();
+	void stop();
+	void run_frame();
+}

src/client/game/ui_scripting/lua/error.cpp

@@ -0,0 +1,18 @@
+#include <std_include.hpp>
+#include "error.hpp"
+
+namespace ui_scripting::lua
+{
+	void handle_error(const sol::protected_function_result& result)
+	{
+		if (!result.valid())
+		{
+			printf("************** UI Script execution error **************\n");
+
+			const sol::error err = result;
+			printf("%s\n", err.what());
+
+			printf("****************************************************\n");
+		}
+	}
+}

src/client/game/ui_scripting/lua/error.hpp

@@ -0,0 +1,8 @@
+#pragma once
+
+#include "context.hpp"
+
+namespace ui_scripting::lua
+{
+	void handle_error(const sol::protected_function_result& result);
+}

src/client/game/ui_scripting/lua/scheduler.cpp

@@ -0,0 +1,122 @@
+#include "std_include.hpp"
+#include "context.hpp"
+#include "error.hpp"
+
+namespace ui_scripting::lua
+{
+	scheduler::scheduler(sol::state& state)
+	{
+		auto task_handle_type = state.new_usertype<task_handle>("task_handle");
+
+		task_handle_type["clear"] = [this](const task_handle& handle)
+		{
+			this->remove(handle);
+		};
+	}
+
+	void scheduler::run_frame()
+	{
+		callbacks_.access([&](task_list& tasks)
+		{
+			this->merge_callbacks();
+
+			for (auto i = tasks.begin(); i != tasks.end();)
+			{
+				const auto now = std::chrono::high_resolution_clock::now();
+				const auto diff = now - i->last_call;
+
+				if (diff < i->delay)
+				{
+					++i;
+					continue;
+				}
+
+				i->last_call = now;
+
+				if (!i->is_deleted)
+				{
+					handle_error(i->callback());
+				}
+
+				if (i->is_volatile || i->is_deleted)
+				{
+					i = tasks.erase(i);
+				}
+				else
+				{
+					++i;
+				}
+			}
+		});
+	}
+
+	void scheduler::clear()
+	{
+		callbacks_.access([&](task_list& tasks)
+		{
+			new_callbacks_.access([&](task_list& new_tasks)
+			{
+				new_tasks.clear();
+				tasks.clear();
+			});
+		});
+	}
+
+	task_handle scheduler::add(const sol::protected_function& callback, const long long milliseconds,
+							   const bool is_volatile)
+	{
+		return this->add(callback, std::chrono::milliseconds(milliseconds), is_volatile);
+	}
+
+	task_handle scheduler::add(const sol::protected_function& callback, const std::chrono::milliseconds delay,
+							   const bool is_volatile)
+	{
+		const uint64_t id = ++this->current_task_id_;
+
+		task task;
+		task.is_volatile = is_volatile;
+		task.callback = callback;
+		task.delay = delay;
+		task.last_call = std::chrono::steady_clock::now();
+		task.id = id;
+		task.is_deleted = false;
+
+		new_callbacks_.access([&task](task_list& tasks)
+		{
+			tasks.emplace_back(std::move(task));
+		});
+
+		return {id};
+	}
+
+	void scheduler::remove(const task_handle& handle)
+	{
+		auto mask_as_deleted = [&](task_list& tasks)
+		{
+			for (auto& task : tasks)
+			{
+				if (task.id == handle.id)
+				{
+					task.is_deleted = true;
+					break;
+				}
+			}
+		};
+
+		callbacks_.access(mask_as_deleted);
+		new_callbacks_.access(mask_as_deleted);
+	}
+
+	void scheduler::merge_callbacks()
+	{
+		callbacks_.access([&](task_list& tasks)
+		{
+			new_callbacks_.access([&](task_list& new_tasks)
+			{
+				tasks.insert(tasks.end(), std::move_iterator<task_list::iterator>(new_tasks.begin()),
+							 std::move_iterator<task_list::iterator>(new_tasks.end()));
+				new_tasks = {};
+			});
+		});
+	}
+}

src/client/game/ui_scripting/lua/scheduler.hpp

@@ -0,0 +1,50 @@
+#pragma once
+#include <utils/concurrency.hpp>
+
+namespace ui_scripting::lua
+{
+	class context;
+
+	class task_handle
+	{
+	public:
+		uint64_t id = 0;
+	};
+
+	class task final : public task_handle
+	{
+	public:
+		std::chrono::steady_clock::time_point last_call{};
+		sol::protected_function callback{};
+		std::chrono::milliseconds delay{};
+		bool is_volatile = false;
+		bool is_deleted = false;
+	};
+
+	class scheduler final
+	{
+	public:
+		scheduler(sol::state& state);
+
+		scheduler(scheduler&&) noexcept = delete;
+		scheduler& operator=(scheduler&&) noexcept = delete;
+
+		scheduler(const scheduler&) = delete;
+		scheduler& operator=(const scheduler&) = delete;
+
+		void run_frame();
+		void clear();
+
+		task_handle add(const sol::protected_function& callback, long long milliseconds, bool is_volatile);
+		task_handle add(const sol::protected_function& callback, std::chrono::milliseconds delay, bool is_volatile);
+
+	private:
+		using task_list = std::vector<task>;
+		utils::concurrency::container<task_list> new_callbacks_;
+		utils::concurrency::container<task_list, std::recursive_mutex> callbacks_;
+		std::atomic_int64_t current_task_id_ = 0;
+
+		void remove(const task_handle& handle);
+		void merge_callbacks();
+	};
+}

src/client/game/ui_scripting/lua/value_conversion.cpp

@@ -0,0 +1,144 @@
+#include <std_include.hpp>
+#include "value_conversion.hpp"
+#include "../execution.hpp"
+#include "../../../component/ui_scripting.hpp"
+
+namespace ui_scripting::lua
+{
+	namespace
+	{
+		table convert_table(const sol::table& t)
+		{
+			table res{};
+
+			t.for_each([res](const sol::object& key, const sol::object& value)
+			{
+				res.set(convert(key), convert(value));
+			});
+
+			return res;
+		}
+
+		script_value convert_function(const sol::protected_function& function)
+		{
+			const auto closure = game::hks::cclosure_Create(*game::hks::lua_state, main_function_handler, 0, 0, 0);
+			add_converted_function(closure, function);
+
+			game::hks::HksObject value{};
+			value.t = game::hks::TCFUNCTION;
+			value.v.cClosure = closure;
+
+			return value;
+		}
+	}
+
+	script_value convert(const sol::lua_value& value)
+	{
+		if (value.is<bool>())
+		{
+			return {value.as<bool>()};
+		}
+
+		if (value.is<int>())
+		{
+			return {value.as<int>()};
+		}
+
+		if (value.is<unsigned int>())
+		{
+			return {value.as<unsigned int>()};
+		}
+
+		if (value.is<double>())
+		{
+			return {value.as<double>()};
+		}
+
+		if (value.is<float>())
+		{
+			return {value.as<float>()};
+		}
+
+		if (value.is<std::string>())
+		{
+			return {value.as<std::string>()};
+		}
+
+		if (value.is<lightuserdata>())
+		{
+			return {value.as<lightuserdata>()};
+		}
+
+		if (value.is<userdata>())
+		{
+			return {value.as<userdata>()};
+		}
+
+		if (value.is<table>())
+		{
+			return {value.as<table>()};
+		}
+
+		if (value.is<function>())
+		{
+			return {value.as<function>()};
+		}
+
+		if (value.is<sol::table>())
+		{
+			return {convert_table(value.as<sol::table>())};
+		}
+
+		if (value.is<sol::protected_function>())
+		{
+			return {convert_function(value.as<sol::protected_function>())};
+		}
+
+		return {};
+	}
+
+	sol::lua_value convert(lua_State* state, const script_value& value)
+	{
+		if (value.is<int>())
+		{
+			return {state, value.as<int>()};
+		}
+
+		if (value.is<float>())
+		{
+			return {state, value.as<float>()};
+		}
+
+		if (value.is<bool>())
+		{
+			return {state, value.as<bool>()};
+		}
+
+		if (value.is<std::string>())
+		{
+			return {state, value.as<std::string>()};
+		}
+
+		if (value.is<lightuserdata>())
+		{
+			return {state, value.as<lightuserdata>()};
+		}
+
+		if (value.is<userdata>())
+		{
+			return {state, value.as<userdata>()};
+		}
+
+		if (value.is<table>())
+		{
+			return {state, value.as<table>()};
+		}
+
+		if (value.is<function>())
+		{
+			return {state, value.as<function>()};
+		}
+
+		return {state, sol::lua_nil};
+	}
+}

src/client/game/ui_scripting/lua/value_conversion.hpp

@@ -0,0 +1,9 @@
+#pragma once
+#include "context.hpp"
+#include "../script_value.hpp"
+
+namespace ui_scripting::lua
+{
+	script_value convert(const sol::lua_value& value);
+	sol::lua_value convert(lua_State* state, const script_value& value);
+}

src/client/game/ui_scripting/script_value.cpp

@@ -0,0 +1,274 @@
+#include <std_include.hpp>
+#include "execution.hpp"
+#include "types.hpp"
+#include "script_value.hpp"
+
+namespace ui_scripting
+{
+	/***************************************************************
+	 * Constructors
+	 **************************************************************/
+
+	script_value::script_value(const game::hks::HksObject& value)
+		: value_(value)
+	{
+	}
+
+	script_value::script_value(const int value)
+	{
+		game::hks::HksObject obj{};
+		obj.t = game::hks::TNUMBER;
+		obj.v.number = static_cast<float>(value);
+
+		this->value_ = obj;
+	}
+
+	script_value::script_value(const unsigned int value)
+	{
+		game::hks::HksObject obj{};
+		obj.t = game::hks::TNUMBER;
+		obj.v.number = static_cast<float>(value);
+
+		this->value_ = obj;
+	}
+
+	script_value::script_value(const bool value)
+	{
+		game::hks::HksObject obj{};
+		obj.t = game::hks::TBOOLEAN;
+		obj.v.boolean = value;
+
+		this->value_ = obj;
+	}
+
+	script_value::script_value(const float value)
+	{
+		game::hks::HksObject obj{};
+		obj.t = game::hks::TNUMBER;
+		obj.v.number = static_cast<float>(value);
+
+		this->value_ = obj;
+	}
+
+	script_value::script_value(const double value)
+		: script_value(static_cast<float>(value))
+	{
+	}
+
+	script_value::script_value(const char* value)
+	{
+		game::hks::HksObject obj{};
+
+		const auto state = *game::hks::lua_state;
+		state->m_apistack.top = state->m_apistack.base;
+
+		game::hks::hksi_lua_pushlstring(state, value, (unsigned int)strlen(value));
+		obj = state->m_apistack.top[-1];
+
+		this->value_ = obj;
+	}
+
+	script_value::script_value(const std::string& value)
+		: script_value(value.data())
+	{
+	}
+
+	script_value::script_value(const lightuserdata& value)
+	{
+		this->value_.t = game::hks::TLIGHTUSERDATA;
+		this->value_.v.ptr = value.ptr;
+	}
+
+	script_value::script_value(const userdata& value)
+	{
+		this->value_.t = game::hks::TUSERDATA;
+		this->value_.v.ptr = value.ptr;
+	}
+
+	script_value::script_value(const table& value)
+	{
+		this->value_.t = game::hks::TTABLE;
+		this->value_.v.ptr = value.ptr;
+	}
+
+	script_value::script_value(const function& value)
+	{
+		this->value_.t = value.type;
+		this->value_.v.ptr = value.ptr;
+	}
+
+	/***************************************************************
+	 * Integer
+	 **************************************************************/
+
+	template <>
+	bool script_value::is<int>() const
+	{
+		const auto number = this->get_raw().v.number;
+		return this->get_raw().t == game::hks::TNUMBER && static_cast<int>(number) == number;
+	}
+
+	template <>
+	bool script_value::is<unsigned int>() const
+	{
+		return this->is<int>();
+	}
+
+	template <>
+	int script_value::get() const
+	{
+		return static_cast<int>(this->get_raw().v.number);
+	}
+
+	template <>
+	unsigned int script_value::get() const
+	{
+		return static_cast<unsigned int>(this->get_raw().v.number);
+	}
+
+	/***************************************************************
+	 * Boolean
+	 **************************************************************/
+
+	template <>
+	bool script_value::is<bool>() const
+	{
+		return this->get_raw().t == game::hks::TBOOLEAN;
+	}
+
+	template <>
+	bool script_value::get() const
+	{
+		return this->get_raw().v.boolean;
+	}
+
+	/***************************************************************
+	 * Float
+	 **************************************************************/
+
+	template <>
+	bool script_value::is<float>() const
+	{
+		return this->get_raw().t == game::hks::TNUMBER;
+	}
+
+	template <>
+	bool script_value::is<double>() const
+	{
+		return this->is<float>();
+	}
+
+	template <>
+	float script_value::get() const
+	{
+		return this->get_raw().v.number;
+	}
+
+	template <>
+	double script_value::get() const
+	{
+		return static_cast<double>(this->get_raw().v.number);
+	}
+
+	/***************************************************************
+	 * String
+	 **************************************************************/
+
+	template <>
+	bool script_value::is<const char*>() const
+	{
+		return this->get_raw().t == game::hks::TSTRING;
+	}
+
+	template <>
+	bool script_value::is<std::string>() const
+	{
+		return this->is<const char*>();
+	}
+
+	template <>
+	const char* script_value::get() const
+	{
+		return this->get_raw().v.str->m_data;
+	}
+
+	template <>
+	std::string script_value::get() const
+	{
+		return this->get<const char*>();
+	}
+
+	/***************************************************************
+	 * Lightuserdata
+	 **************************************************************/
+
+	template <>
+	bool script_value::is<lightuserdata>() const
+	{
+		return this->get_raw().t == game::hks::TLIGHTUSERDATA;
+	}
+
+	template <>
+	lightuserdata script_value::get() const
+	{
+		return this->get_raw().v.ptr;
+	}
+
+	/***************************************************************
+	 * Userdata
+	 **************************************************************/
+
+	template <>
+	bool script_value::is<userdata>() const
+	{
+		return this->get_raw().t == game::hks::TUSERDATA;
+	}
+
+	template <>
+	userdata script_value::get() const
+	{
+		return this->get_raw().v.ptr;
+	}
+
+	/***************************************************************
+	 * Table
+	 **************************************************************/
+
+	template <>
+	bool script_value::is<table>() const
+	{
+		return this->get_raw().t == game::hks::TTABLE;
+	}
+
+	template <>
+	table script_value::get() const
+	{
+		return this->get_raw().v.table;
+	}
+
+	/***************************************************************
+	 * Function
+	 **************************************************************/
+
+	template <>
+	bool script_value::is<function>() const
+	{
+		return this->get_raw().t == game::hks::TIFUNCTION
+			|| this->get_raw().t == game::hks::TCFUNCTION;
+	}
+
+	template <>
+	function script_value::get() const
+	{
+		return { this->get_raw().v.cClosure, this->get_raw().t };
+	}
+
+	/***************************************************************
+	 *
+	 **************************************************************/
+
+	const game::hks::HksObject& script_value::get_raw() const
+	{
+		return this->value_;
+	}
+}

src/client/game/ui_scripting/script_value.hpp

@@ -0,0 +1,56 @@
+#pragma once
+#include "game/game.hpp"
+
+namespace ui_scripting
+{
+	class lightuserdata;
+	class userdata;
+	class table;
+	class function;
+
+	class script_value
+	{
+	public:
+		script_value() = default;
+		script_value(const game::hks::HksObject& value);
+
+		script_value(int value);
+		script_value(unsigned int value);
+		script_value(bool value);
+
+		script_value(float value);
+		script_value(double value);
+
+		script_value(const char* value);
+		script_value(const std::string& value);
+
+		script_value(const lightuserdata& value);
+		script_value(const userdata& value);
+		script_value(const table& value);
+		script_value(const function& value);
+
+		template <typename T>
+		bool is() const;
+
+		template <typename T>
+		T as() const
+		{
+			if (!this->is<T>())
+			{
+				throw std::runtime_error("Invalid type");
+			}
+
+			return get<T>();
+		}
+
+		const game::hks::HksObject& get_raw() const;
+
+	private:
+		template <typename T>
+		T get() const;
+
+		game::hks::HksObject value_{};
+	};
+
+	using arguments = std::vector<script_value>;
+}

src/client/game/ui_scripting/types.cpp

@@ -0,0 +1,276 @@
+#include <std_include.hpp>
+#include "types.hpp"
+#include "execution.hpp"
+
+namespace ui_scripting
+{
+	/***************************************************************
+	 * Lightuserdata
+	 **************************************************************/
+
+	lightuserdata::lightuserdata(void* ptr_)
+		: ptr(ptr_)
+	{
+	}
+
+	/***************************************************************
+	 * Userdata
+	 **************************************************************/
+
+	userdata::userdata(void* ptr_)
+		: ptr(ptr_)
+	{
+		this->add();
+	}
+
+	userdata::userdata(const userdata& other)
+	{
+		this->operator=(other);
+	}
+
+	userdata::userdata(userdata&& other) noexcept
+	{
+		this->ptr = other.ptr;
+		this->ref = other.ref;
+		other.ref = 0;
+	}
+
+	userdata::~userdata()
+	{
+		this->release();
+	}
+
+	userdata& userdata::operator=(const userdata& other)
+	{
+		if (&other != this)
+		{
+			this->release();
+			this->ptr = other.ptr;
+			this->ref = other.ref;
+			this->add();
+		}
+
+		return *this;
+	}
+
+	userdata& userdata::operator=(userdata&& other) noexcept
+	{
+		if (&other != this)
+		{
+			this->release();
+			this->ptr = other.ptr;
+			this->ref = other.ref;
+			other.ref = 0;
+		}
+
+		return *this;
+	}
+
+	void userdata::add()
+	{
+		game::hks::HksObject value{};
+		value.v.ptr = this->ptr;
+		value.t = game::hks::TUSERDATA;
+
+		const auto state = *game::hks::lua_state;
+		state->m_apistack.top = state->m_apistack.base;
+
+		push_value(value);
+
+		this->ref = game::hks::hksi_luaL_ref(*game::hks::lua_state, -10000);
+	}
+
+	void userdata::release()
+	{
+		if (this->ref)
+		{
+			game::hks::hksi_luaL_unref(*game::hks::lua_state, -10000, this->ref);
+		}
+	}
+
+	void userdata::set(const script_value& key, const script_value& value) const
+	{
+		set_field(*this, key, value);
+	}
+
+	script_value userdata::get(const script_value& key) const
+	{
+		return get_field(*this, key);
+	}
+
+	/***************************************************************
+	 * Table
+	 **************************************************************/
+
+	table::table()
+	{
+		const auto state = *game::hks::lua_state;
+		this->ptr = game::hks::Hashtable_Create(state, 0, 0);
+		this->add();
+	}
+
+	table::table(game::hks::HashTable* ptr_)
+		: ptr(ptr_)
+	{
+		this->add();
+	}
+
+	table::table(const table& other)
+	{
+		this->operator=(other);
+	}
+
+	table::table(table&& other) noexcept
+	{
+		this->ptr = other.ptr;
+		this->ref = other.ref;
+		other.ref = 0;
+	}
+
+	table::~table()
+	{
+		this->release();
+	}
+
+	table& table::operator=(const table& other)
+	{
+		if (&other != this)
+		{
+			this->release();
+			this->ptr = other.ptr;
+			this->ref = other.ref;
+			this->add();
+		}
+
+		return *this;
+	}
+
+	table& table::operator=(table&& other) noexcept
+	{
+		if (&other != this)
+		{
+			this->release();
+			this->ptr = other.ptr;
+			this->ref = other.ref;
+			other.ref = 0;
+		}
+
+		return *this;
+	}
+
+	void table::add()
+	{
+		game::hks::HksObject value{};
+		value.v.table = this->ptr;
+		value.t = game::hks::TTABLE;
+
+		const auto state = *game::hks::lua_state;
+		state->m_apistack.top = state->m_apistack.base;
+
+		push_value(value);
+
+		this->ref = game::hks::hksi_luaL_ref(*game::hks::lua_state, -10000);
+	}
+
+	void table::release()
+	{
+		if (this->ref)
+		{
+			game::hks::hksi_luaL_unref(*game::hks::lua_state, -10000, this->ref);
+		}
+	}
+
+	void table::set(const script_value& key, const script_value& value) const
+	{
+		set_field(*this, key, value);
+	}
+
+	script_value table::get(const script_value& key) const
+	{
+		return get_field(*this, key);
+	}
+
+	/***************************************************************
+	 * Function
+	 **************************************************************/
+
+	function::function(game::hks::cclosure* ptr_, game::hks::HksObjectType type_)
+		: ptr(ptr_)
+		, type(type_)
+	{
+		this->add();
+	}
+
+	function::function(const function& other)
+	{
+		this->operator=(other);
+	}
+
+	function::function(function&& other) noexcept
+	{
+		this->ptr = other.ptr;
+		this->type = other.type;
+		this->ref = other.ref;
+		other.ref = 0;
+	}
+
+	function::~function()
+	{
+		this->release();
+	}
+
+	function& function::operator=(const function& other)
+	{
+		if (&other != this)
+		{
+			this->release();
+			this->ptr = other.ptr;
+			this->type = other.type;
+			this->ref = other.ref;
+			this->add();
+		}
+
+		return *this;
+	}
+
+	function& function::operator=(function&& other) noexcept
+	{
+		if (&other != this)
+		{
+			this->release();
+			this->ptr = other.ptr;
+			this->type = other.type;
+			this->ref = other.ref;
+			other.ref = 0;
+		}
+
+		return *this;
+	}
+
+	void function::add()
+	{
+		game::hks::HksObject value{};
+		value.v.cClosure = this->ptr;
+		value.t = this->type;
+
+		const auto state = *game::hks::lua_state;
+		state->m_apistack.top = state->m_apistack.base;
+
+		push_value(value);
+
+		this->ref = game::hks::hksi_luaL_ref(*game::hks::lua_state, -10000);
+	}
+
+	void function::release()
+	{
+		if (this->ref)
+		{
+			game::hks::hksi_luaL_unref(*game::hks::lua_state, -10000, this->ref);
+		}
+	}
+
+	arguments function::call(const arguments& arguments) const
+	{
+		return call_script_function(*this, arguments);
+	}
+}

src/client/game/ui_scripting/types.hpp

@@ -0,0 +1,89 @@
+#pragma once
+#include "game/game.hpp"
+#include "script_value.hpp"
+
+namespace ui_scripting
+{
+	class lightuserdata
+	{
+	public:
+		lightuserdata(void*);
+		void* ptr;
+	};
+
+	class userdata
+	{
+	public:
+		userdata(void*);
+
+		userdata(const userdata& other);
+		userdata(userdata&& other) noexcept;
+
+		~userdata();
+
+		userdata& operator=(const userdata& other);
+		userdata& operator=(userdata&& other) noexcept;
+
+		script_value get(const script_value& key) const;
+		void set(const script_value& key, const script_value& value) const;
+
+		void* ptr;
+
+	private:
+		void add();
+		void release();
+
+		int ref{};
+	};
+
+	class table
+	{
+	public:
+		table();
+		table(game::hks::HashTable* ptr_);
+
+		table(const table& other);
+		table(table&& other) noexcept;
+
+		~table();
+
+		table& operator=(const table& other);
+		table& operator=(table&& other) noexcept;
+
+		script_value get(const script_value& key) const;
+		void set(const script_value& key, const script_value& value) const;
+
+		game::hks::HashTable* ptr;
+
+	private:
+		void add();
+		void release();
+
+		int ref{};
+	};
+
+	class function
+	{
+	public:
+		function(game::hks::cclosure*, game::hks::HksObjectType);
+
+		function(const function& other);
+		function(function&& other) noexcept;
+
+		~function();
+
+		function& operator=(const function& other);
+		function& operator=(function&& other) noexcept;
+
+		arguments call(const arguments& arguments) const;
+
+		game::hks::cclosure* ptr;
+		game::hks::HksObjectType type;
+
+	private:
+		void add();
+		void release();
+
+		int ref{};
+	};
+}

src/client/main.cpp

@@ -97,7 +97,7 @@ FARPROC load_binary(const launcher::mode mode)
 	if (!utils::io::read_file(binary, &data))
 	{
 		throw std::runtime_error(utils::string::va(
-			"Failed to read game binary (%s)!\nPlease copy the h1x.exe into your Call of Duty: Modern Warfare Remastered installation folder and run it from there.",
+			"Failed to read game binary (%s)!\nPlease copy the h1-mod.exe into your Call of Duty: Modern Warfare Remastered installation folder and run it from there.",
 			binary.data()));
 	}
 

src/client/std_include.hpp

@@ -10,6 +10,7 @@
 #pragma warning(disable: 4702)
 #pragma warning(disable: 4996)
 #pragma warning(disable: 5054)
+#pragma warning(disable: 5056)
 #pragma warning(disable: 6011)
 #pragma warning(disable: 6297)
 #pragma warning(disable: 6385)