Scripting progress + some commands

.gitmodules

@@ -1,3 +1,12 @@
 [submodule "deps/minhook"]
 	path = deps/minhook
 	url = https://github.com/TsudaKageyu/minhook.git
+[submodule "deps/lua"]
+	path = deps/lua
+	url = https://github.com/lua/lua.git
+[submodule "deps/sol2"]
+	path = deps/sol2
+	url = https://github.com/ThePhD/sol2.git
+[submodule "deps/GSL"]
+	path = deps/GSL
+	url = https://github.com/Microsoft/GSL.git

deps/GSL

@@ -0,0 +1 @@
+Subproject commit ef0ffefe525a6219ff245d19a832ce06f3fd3504

deps/lua

@@ -0,0 +1 @@
+Subproject commit 681297187ec45268e872b26753c441586c12bdd8

deps/premake/gsl.lua

@@ -0,0 +1,19 @@
+gsl = {
+	source = path.join(dependencies.basePath, "GSL"),
+}
+
+function gsl.import()
+	gsl.includes()
+end
+
+function gsl.includes()
+	includedirs {
+		path.join(gsl.source, "include")
+	}
+end
+
+function gsl.project()
+
+end
+
+table.insert(dependencies, gsl)

deps/premake/l_u_a.lua

@@ -0,0 +1,37 @@
+-- Scripts or variables named lua fuck with premake ._.
+l_u_a = {
+	source = path.join(dependencies.basePath, "lua"),
+}
+
+function l_u_a.import()
+	links { "lua" }
+	l_u_a.includes()
+end
+
+function l_u_a.includes()
+	includedirs {
+		l_u_a.source
+	}
+
+end
+
+function l_u_a.project()
+	project "lua"
+		language "C"
+
+		l_u_a.includes()
+
+		files {
+			path.join(l_u_a.source, "*.h"),
+			path.join(l_u_a.source, "*.c"),
+		}
+
+		removefiles {
+			path.join(l_u_a.source, "onelua.c"),
+		}
+
+		warnings "Off"
+		kind "StaticLib"
+end
+
+table.insert(dependencies, l_u_a)

deps/premake/sol2.lua

@@ -0,0 +1,20 @@
+sol2 = {
+	source = path.join(dependencies.basePath, "sol2"),
+}
+
+function sol2.import()
+	sol2.includes()
+	l_u_a.import()
+end
+
+function sol2.includes()
+	includedirs {
+		path.join(sol2.source, "include")
+	}
+end
+
+function sol2.project()
+
+end
+
+table.insert(dependencies, sol2)

deps/sol2

@@ -0,0 +1 @@
+Subproject commit f56b3c698c2116f41aad3bf731ba8400e68c498b

src/component/command.cpp

@@ -11,6 +11,8 @@ namespace command
 {
 	namespace
 	{
+		utils::hook::detour dvar_command_hook;
+
 		std::unordered_map<std::string, std::function<void(params&)>> handlers;
 
 		void main_handler()
@@ -32,6 +34,43 @@ namespace command
 				cb(header);
 			}), &callback, includeOverride);
 		}
+
+		game::dvar_t* dvar_command_stub()
+		{
+			const params args;
+
+			if (args.size() <= 0)
+			{
+				return 0;
+			}
+
+			const auto dvar = game::Dvar_FindVar(args[0]);
+
+			if (dvar)
+			{
+				if (args.size() == 1)
+				{
+					const auto current = game::Dvar_ValueToString(dvar, nullptr, &dvar->current);
+					const auto reset = game::Dvar_ValueToString(dvar, nullptr, &dvar->reset);
+
+					game_console::print(game_console::con_type_info, "\"%s\" is: \"%s\" default: \"%s\" hash: %i",
+						args[0], current, reset, dvar->name);
+
+					game_console::print(game_console::con_type_info, "   %s\n",
+						dvars::dvar_get_domain(dvar->type, dvar->domain).data());
+				}
+				else
+				{
+					char command[0x1000] = { 0 };
+					game::Dvar_GetCombinedString(command, 1);
+					game::Dvar_SetCommand(dvar->name, "", command);
+				}
+
+				return dvar;
+			}
+
+			return 0;
+		}
 	}
 
 	params::params()
@@ -105,6 +144,8 @@ namespace command
 
 	void init()
 	{
+		utils::hook::jump(game::base_address + 0x5A74F0, dvar_command_stub, true);
+
 		add("listassetpool", [](const params& params)
 		{
 			if (params.size() < 2)

src/component/scheduler.cpp

@@ -81,6 +81,7 @@ namespace scheduler
 		std::thread thread;
 		task_pipeline pipelines[pipeline::count];
 		utils::hook::detour r_end_frame_hook;
+		utils::hook::detour g_run_frame_hook;
 
 		void execute(const pipeline type)
 		{
@@ -96,7 +97,7 @@ namespace scheduler
 
 		void server_frame_stub()
 		{
-			//game::G_Glass_Update();
+			g_run_frame_hook.invoke<void>();
 			execute(pipeline::server);
 		}
 	}
@@ -146,6 +147,6 @@ namespace scheduler
 		});
 
 		r_end_frame_hook.create(game::base_address + 0x76D7B0, scheduler::r_end_frame_stub);
-		//utils::hook::call(0x1402F8879, scheduler::server_frame_stub);
+		g_run_frame_hook.create(game::base_address + 0x4CB030, scheduler::server_frame_stub);
 	}
 }

src/component/scripting.cpp

@@ -0,0 +1,94 @@
+#include <stdinc.hpp>
+
+#include "game/game.hpp"
+#include <utils/hook.hpp>
+
+#include "game/scripting/event.hpp"
+#include "game/scripting/execution.hpp"
+#include "game/scripting/lua/engine.hpp"
+
+#include "scheduler.hpp"
+
+namespace scripting
+{
+	std::unordered_map<int, std::unordered_map<std::string, int>> fields_table;
+
+	namespace
+	{
+		utils::hook::detour vm_notify_hook;
+
+		utils::hook::detour scr_load_level_hook;
+		utils::hook::detour g_shutdown_game_hook;
+
+		utils::hook::detour scr_add_class_field_hook;
+
+		std::string last_event;
+
+		void vm_notify_stub(const unsigned int notify_list_owner_id, const game::scr_string_t string_value,
+		                    game::VariableValue* top)
+		{
+			const auto* string = game::SL_ConvertToString(string_value);
+			if (string)
+			{
+				event e;
+				e.name = string;
+				e.entity = notify_list_owner_id;
+
+				for (auto* value = top; value->type != game::SCRIPT_END; --value)
+				{
+					e.arguments.emplace_back(*value);
+				}
+
+				if (last_event != e.name)
+				{
+					last_event = e.name;
+
+					//printf("notify: %s\n", e.name.data());
+				}
+
+				lua::engine::notify(e);
+			}
+
+			vm_notify_hook.invoke<void>(notify_list_owner_id, string_value, top);
+		}
+
+		void scr_load_level_stub()
+		{
+			scr_load_level_hook.invoke<void>();
+			lua::engine::start();
+		}
+
+		void g_shutdown_game_stub(const int free_scripts)
+		{
+			lua::engine::stop();
+			return g_shutdown_game_hook.invoke<void>(free_scripts);
+		}
+	
+		void scr_add_class_field_stub(unsigned int classnum, game::scr_string_t _name, unsigned int canonicalString, unsigned int offset)
+		{
+			const auto name = game::SL_ConvertToString(_name);
+
+			if (fields_table[classnum].find(name) == fields_table[classnum].end())
+			{
+				fields_table[classnum][name] = offset;
+			}
+
+			scr_add_class_field_hook.invoke<void>(classnum, _name, canonicalString, offset);
+		}
+	}
+
+	void init()
+	{
+		vm_notify_hook.create(game::base_address + 0x5CC450, vm_notify_stub);
+
+		scr_load_level_hook.create(game::base_address + 0x520AB0, scr_load_level_stub);
+		g_shutdown_game_hook.create(game::base_address + 0x4CBAD0, g_shutdown_game_stub);
+
+		scr_add_class_field_hook.create(game::base_address + 0x5C2C30, scr_add_class_field_stub);
+
+		scheduler::loop([]()
+		{
+			lua::engine::run_frame();
+		}, scheduler::pipeline::server);
+	}
+}

src/component/scripting.hpp

@@ -0,0 +1,8 @@
+#pragma once
+
+namespace scripting
+{
+	extern std::unordered_map<int, std::unordered_map<std::string, int>> fields_table;
+
+	void init();
+}

src/dllmain.cpp

@@ -35,6 +35,7 @@ void init()
     input::init();
     scheduler::init();
     game_console::init();
+    scripting::init();
 }
 
 BOOL APIENTRY DllMain(HMODULE hModule, DWORD  ul_reason_for_call, LPVOID lpReserved)

src/game/scripting/entity.cpp

@@ -0,0 +1,120 @@
+#include <stdinc.hpp>
+#include "entity.hpp"
+#include "script_value.hpp"
+#include "execution.hpp"
+
+namespace scripting
+{
+	entity::entity()
+		: entity(0)
+	{
+	}
+
+	entity::entity(const entity& other) : entity(other.entity_id_)
+	{
+	}
+
+	entity::entity(entity&& other) noexcept
+	{
+		this->entity_id_ = other.entity_id_;
+		other.entity_id_ = 0;
+	}
+
+	entity::entity(const unsigned int entity_id)
+		: entity_id_(entity_id)
+	{
+		this->add();
+	}
+
+	entity::entity(game::scr_entref_t entref)
+		: entity(game::FindEntityId(entref.entnum, entref.classnum))
+	{
+	}
+
+	entity::~entity()
+	{
+		this->release();
+	}
+
+	entity& entity::operator=(const entity& other)
+	{
+		if (&other != this)
+		{
+			this->release();
+			this->entity_id_ = other.entity_id_;
+			this->add();
+		}
+
+		return *this;
+	}
+
+	entity& entity::operator=(entity&& other) noexcept
+	{
+		if (&other != this)
+		{
+			this->release();
+			this->entity_id_ = other.entity_id_;
+			other.entity_id_ = 0;
+		}
+
+		return *this;
+	}
+
+	unsigned int entity::get_entity_id() const
+	{
+		return this->entity_id_;
+	}
+
+	game::scr_entref_t entity::get_entity_reference() const
+	{
+		if (!this->entity_id_)
+		{
+			const auto not_null = static_cast<uint16_t>(~0ui16);
+			return game::scr_entref_t{not_null, not_null};
+		}
+
+		return game::Scr_GetEntityIdRef(this->get_entity_id());
+	}
+
+	bool entity::operator==(const entity& other) const noexcept
+	{
+		return this->get_entity_id() == other.get_entity_id();
+	}
+
+	bool entity::operator!=(const entity& other) const noexcept
+	{
+		return !this->operator==(other);
+	}
+
+	void entity::add() const
+	{
+		if (this->entity_id_)
+		{
+			game::AddRefToValue(game::SCRIPT_OBJECT, {static_cast<int>(this->entity_id_)});
+		}
+	}
+
+	void entity::release() const
+	{
+		if (this->entity_id_)
+		{
+			game::RemoveRefToValue(game::SCRIPT_OBJECT, {static_cast<int>(this->entity_id_)});
+		}
+	}
+
+	void entity::set(const std::string& field, const script_value& value) const
+	{
+		set_entity_field(*this, field, value);
+	}
+
+	template <>
+	script_value entity::get<script_value>(const std::string& field) const
+	{
+		return get_entity_field(*this, field);
+	}
+
+	script_value entity::call(const std::string& name, const std::vector<script_value>& arguments) const
+	{
+		return call_function(name, *this, arguments);
+	}
+}

src/game/scripting/entity.hpp

@@ -0,0 +1,50 @@
+#pragma once
+#include "game/game.hpp"
+#include "script_value.hpp"
+
+namespace scripting
+{
+	class entity final
+	{
+	public:
+		entity();
+		entity(unsigned int entity_id);
+		entity(game::scr_entref_t entref);
+
+		entity(const entity& other);
+		entity(entity&& other) noexcept;
+
+		~entity();
+
+		entity& operator=(const entity& other);
+		entity& operator=(entity&& other) noexcept;
+
+		void set(const std::string& field, const script_value& value) const;
+
+		template <typename T = script_value>
+		T get(const std::string& field) const;
+
+		script_value call(const std::string& name, const std::vector<script_value>& arguments = {}) const;
+
+		unsigned int get_entity_id() const;
+		game::scr_entref_t get_entity_reference() const;
+
+		bool operator ==(const entity& other) const noexcept;
+		bool operator !=(const entity& other) const noexcept;
+
+	private:
+		unsigned int entity_id_;
+
+		void add() const;
+		void release() const;
+	};
+
+	template <>
+	script_value entity::get(const std::string& field) const;
+
+	template <typename T>
+	T entity::get(const std::string& field) const
+	{
+		return this->get<script_value>(field).as<T>();
+	}
+}

src/game/scripting/event.hpp

@@ -0,0 +1,13 @@
+#pragma once
+#include "script_value.hpp"
+#include "entity.hpp"
+
+namespace scripting
+{
+	struct event
+	{
+		std::string name;
+		entity entity{};
+		std::vector<script_value> arguments;
+	};
+}

src/game/scripting/execution.cpp

@@ -0,0 +1,196 @@
+#include <stdinc.hpp>
+#include "execution.hpp"
+#include "safe_execution.hpp"
+#include "stack_isolation.hpp"
+
+#include "component/scripting.hpp"
+
+namespace scripting
+{
+	namespace
+	{
+		game::VariableValue* allocate_argument()
+		{
+			game::VariableValue* value_ptr = ++game::scr_VmPub->top;
+			++game::scr_VmPub->inparamcount;
+			return value_ptr;
+		}
+
+		void push_value(const script_value& value)
+		{
+			auto* value_ptr = allocate_argument();
+			*value_ptr = value.get_raw();
+
+			game::AddRefToValue(value_ptr->type, value_ptr->u);
+		}
+
+		int get_field_id(const int classnum, const std::string& field)
+		{
+			if (scripting::fields_table[classnum].find(field) != scripting::fields_table[classnum].end())
+			{
+				return scripting::fields_table[classnum][field];
+			}
+
+			return -1;
+		}
+
+		script_value get_return_value()
+		{
+			if (game::scr_VmPub->inparamcount == 0)
+			{
+				return {};
+			}
+
+			game::Scr_ClearOutParams();
+			game::scr_VmPub->outparamcount = game::scr_VmPub->inparamcount;
+			game::scr_VmPub->inparamcount = 0;
+
+			return script_value(game::scr_VmPub->top[1 - game::scr_VmPub->outparamcount]);
+		}
+	}
+
+	void notify(const entity& entity, const std::string& event, const std::vector<script_value>& arguments)
+	{
+		stack_isolation _;
+		for (auto i = arguments.rbegin(); i != arguments.rend(); ++i)
+		{
+			push_value(*i);
+		}
+
+		const auto event_id = game::SL_GetString(event.data(), 0);
+		game::Scr_NotifyId(entity.get_entity_id(), event_id, game::scr_VmPub->inparamcount);
+	}
+
+	script_value call_function(const std::string& name, const entity& entity,
+	                           const std::vector<script_value>& arguments)
+	{
+		const auto entref = entity.get_entity_reference();
+
+		const auto is_method_call = *reinterpret_cast<const int*>(&entref) != -1;
+		const auto function = find_function(name, !is_method_call);
+		if (function == nullptr)
+		{
+			throw std::runtime_error("Unknown "s + (is_method_call ? "method" : "function") + " '" + name + "'");
+		}
+
+		stack_isolation _;
+
+		for (auto i = arguments.rbegin(); i != arguments.rend(); ++i)
+		{
+			push_value(*i);
+		}
+
+		game::scr_VmPub->outparamcount = game::scr_VmPub->inparamcount;
+		game::scr_VmPub->inparamcount = 0;
+
+		if (!safe_execution::call(function, entref))
+		{
+			throw std::runtime_error(
+				"Error executing "s + (is_method_call ? "method" : "function") + " '" + name + "'");
+		}
+
+		return get_return_value();
+	}
+
+	script_value call_function(const std::string& name, const std::vector<script_value>& arguments)
+	{
+		return call_function(name, entity(), arguments);
+	}
+
+	template <>
+	script_value call(const std::string& name, const std::vector<script_value>& arguments)
+	{
+		return call_function(name, arguments);
+	}
+
+	static std::unordered_map<unsigned int, std::unordered_map<std::string, script_value>> custom_fields;
+
+	script_value get_custom_field(const entity& entity, const std::string& field)
+	{
+		auto& fields = custom_fields[entity.get_entity_id()];
+		const auto _field = fields.find(field);
+		if (_field != fields.end())
+		{
+			return _field->second;
+		}
+		return {};
+	}
+
+	void set_custom_field(const entity& entity, const std::string& field, const script_value& value)
+	{
+		const auto id = entity.get_entity_id();
+
+		if (custom_fields[id].find(field) != custom_fields[id].end())
+		{
+			custom_fields[id][field] = value;
+			return;
+		}
+
+		custom_fields[id].insert(std::make_pair(field, value));
+	}
+
+	void clear_entity_fields(const entity& entity)
+	{
+		const auto id = entity.get_entity_id();
+
+		if (custom_fields.find(id) != custom_fields.end())
+		{
+			custom_fields[id].clear();
+		}
+	}
+
+	void clear_custom_fields()
+	{
+		custom_fields.clear();
+	}
+
+	void set_entity_field(const entity& entity, const std::string& field, const script_value& value)
+	{
+		const auto entref = entity.get_entity_reference();
+		const int id = get_field_id(entref.classnum, field);
+
+		if (id != -1)
+		{
+			stack_isolation _;
+			push_value(value);
+
+			game::scr_VmPub->outparamcount = game::scr_VmPub->inparamcount;
+			game::scr_VmPub->inparamcount = 0;
+
+			if (!safe_execution::set_entity_field(entref, id))
+			{
+				throw std::runtime_error("Failed to set value for field '" + field + "'");
+			}
+		}
+		else
+		{
+			set_custom_field(entity, field, value);
+		}
+	}
+
+	script_value get_entity_field(const entity& entity, const std::string& field)
+	{
+		const auto entref = entity.get_entity_reference();
+		const auto id = get_field_id(entref.classnum, field);
+
+		if (id != -1)
+		{
+			stack_isolation _;
+
+			game::VariableValue value{};
+			if (!safe_execution::get_entity_field(entref, id, &value))
+			{
+				throw std::runtime_error("Failed to get value for field '" + field + "'");
+			}
+
+			const auto __ = gsl::finally([value]()
+			{
+				game::RemoveRefToValue(value.type, value.u);
+			});
+
+			return value;
+		}
+
+		return get_custom_field(entity, field);
+	}
+}

src/game/scripting/execution.hpp

@@ -0,0 +1,31 @@
+#pragma once
+#include "game/game.hpp"
+#include "entity.hpp"
+#include "script_value.hpp"
+
+namespace scripting
+{
+	script_value call_function(const std::string& name, const std::vector<script_value>& arguments);
+	script_value call_function(const std::string& name, const entity& entity,
+	                           const std::vector<script_value>& arguments);
+
+	template <typename T = script_value>
+	T call(const std::string& name, const std::vector<script_value>& arguments = {});
+
+	template <>
+	script_value call(const std::string& name, const std::vector<script_value>& arguments);
+
+	template <typename T>
+	T call(const std::string& name, const std::vector<script_value>& arguments)
+	{
+		return call<script_value>(name, arguments).as<T>();
+	}
+
+	void clear_entity_fields(const entity& entity);
+	void clear_custom_fields();
+
+	void set_entity_field(const entity& entity, const std::string& field, const script_value& value);
+	script_value get_entity_field(const entity& entity, const std::string& field);
+
+	void notify(const entity& entity, const std::string& event, const std::vector<script_value>& arguments);
+}

src/game/scripting/functions.cpp

@@ -0,0 +1,81 @@
+#include <stdinc.hpp>
+#include "functions.hpp"
+
+#include <utils/string.hpp>
+
+namespace scripting
+{
+	namespace
+	{
+		std::unordered_map<std::string, unsigned> lowercase_map(
+			const std::unordered_map<std::string, unsigned>& old_map)
+		{
+			std::unordered_map<std::string, unsigned> new_map{};
+			for (auto& entry : old_map)
+			{
+				new_map[utils::string::to_lower(entry.first)] = entry.second;
+			}
+
+			return new_map;
+		}
+
+		const std::unordered_map<std::string, unsigned>& get_methods()
+		{
+			static auto methods = lowercase_map(method_map);
+			return methods;
+		}
+
+		const std::unordered_map<std::string, unsigned>& get_functions()
+		{
+			static auto function = lowercase_map(function_map);
+			return function;
+		}
+
+		int find_function_index(const std::string& name, const bool prefer_global)
+		{
+			const auto target = utils::string::to_lower(name);
+
+			const auto& primary_map = prefer_global
+				                          ? get_functions()
+				                          : get_methods();
+			const auto& secondary_map = !prefer_global
+				                            ? get_functions()
+				                            : get_methods();
+
+			auto function_entry = primary_map.find(target);
+			if (function_entry != primary_map.end())
+			{
+				return function_entry->second;
+			}
+
+			function_entry = secondary_map.find(target);
+			if (function_entry != secondary_map.end())
+			{
+				return function_entry->second;
+			}
+
+			return -1;
+		}
+
+		script_function get_function_by_index(const unsigned index)
+		{
+			static const auto function_table = 0xB153F90;
+			static const auto method_table = 0xB155890;
+
+			if (index < 0x2DF)
+			{
+				return reinterpret_cast<script_function*>(game::base_address + function_table)[index];
+			}
+
+			return reinterpret_cast<script_function*>(game::base_address + method_table)[index];
+		}
+	}
+
+	script_function find_function(const std::string& name, const bool prefer_global)
+	{
+		const auto index = find_function_index(name, prefer_global);
+		if (index < 0) return nullptr;
+
+		return get_function_by_index(index);
+	}
+}

src/game/scripting/functions.hpp

@@ -0,0 +1,12 @@
+#pragma once
+#include "game/game.hpp"
+
+namespace scripting
+{
+	extern std::unordered_map<std::string, unsigned> method_map;
+	extern std::unordered_map<std::string, unsigned> function_map;
+
+	using script_function = void(*)(game::scr_entref_t);
+
+	script_function find_function(const std::string& name, const bool prefer_global);
+}

src/game/scripting/lua/context.cpp

@@ -0,0 +1,240 @@
+#include <stdinc.hpp>
+#include "context.hpp"
+#include "error.hpp"
+#include "value_conversion.hpp"
+
+#include "../execution.hpp"
+#include "../functions.hpp"
+
+#include "../../../component/command.hpp"
+
+#include <utils/string.hpp>
+
+namespace scripting::lua
+{
+	namespace
+	{
+		void setup_entity_type(sol::state& state, event_handler& handler, scheduler& scheduler)
+		{
+			state["level"] = entity{*game::levelEntityId};
+
+			auto vector_type = state.new_usertype<vector>("vector", sol::constructors<vector(float, float, float)>());
+			vector_type["x"] = sol::property(&vector::get_x, &vector::set_x);
+			vector_type["y"] = sol::property(&vector::get_y, &vector::set_y);
+			vector_type["z"] = sol::property(&vector::get_z, &vector::set_z);
+
+			vector_type["r"] = sol::property(&vector::get_x, &vector::set_x);
+			vector_type["g"] = sol::property(&vector::get_y, &vector::set_y);
+			vector_type["b"] = sol::property(&vector::get_z, &vector::set_z);
+
+			auto entity_type = state.new_usertype<entity>("entity");
+
+			for (const auto& func : method_map)
+			{
+				const auto name = utils::string::to_lower(func.first);
+				entity_type[name.data()] = [name](const entity& entity, const sol::this_state s, sol::variadic_args va)
+				{
+					std::vector<script_value> arguments{};
+
+					for (auto arg : va)
+					{
+						arguments.push_back(convert({s, arg}));
+					}
+
+					return convert(s, entity.call(name, arguments));
+				};
+			}
+
+			entity_type["set"] = [](const entity& entity, const std::string& field,
+			                        const sol::lua_value& value)
+			{
+				entity.set(field, convert(value));
+			};
+
+			entity_type["get"] = [](const entity& entity, const sol::this_state s, const std::string& field)
+			{
+				return convert(s, entity.get(field));
+			};
+
+			entity_type["notify"] = [](const entity& entity, const sol::this_state s, const std::string& event, 
+									   sol::variadic_args va)
+			{
+				std::vector<script_value> arguments{};
+
+				for (auto arg : va)
+				{
+					arguments.push_back(convert({s, arg}));
+				}
+
+				notify(entity, event, arguments);
+			};
+
+			entity_type["onnotify"] = [&handler](const entity& entity, const std::string& event,
+			                                     const event_callback& callback)
+			{
+				event_listener listener{};
+				listener.callback = callback;
+				listener.entity = entity;
+				listener.event = event;
+				listener.is_volatile = false;
+
+				return handler.add_event_listener(std::move(listener));
+			};
+
+			entity_type["onnotifyonce"] = [&handler](const entity& entity, const std::string& event,
+			                                         const event_callback& callback)
+			{
+				event_listener listener{};
+				listener.callback = callback;
+				listener.entity = entity;
+				listener.event = event;
+				listener.is_volatile = true;
+
+				return handler.add_event_listener(std::move(listener));
+			};
+
+			entity_type["call"] = [](const entity& entity, const sol::this_state s, const std::string& function,
+			                         sol::variadic_args va)
+			{
+				std::vector<script_value> arguments{};
+
+				for (auto arg : va)
+				{
+					arguments.push_back(convert({s, arg}));
+				}
+
+				return convert(s, entity.call(function, arguments));
+			};
+
+			entity_type[sol::meta_function::new_index] = [](const entity& entity, const std::string& field,
+															const sol::lua_value& value)
+			{
+				entity.set(field, convert(value));
+			};
+
+			entity_type[sol::meta_function::index] = [](const entity& entity, const sol::this_state s, const std::string& field)
+			{
+				return convert(s, entity.get(field));
+			};
+
+			struct game
+			{
+			};
+			auto game_type = state.new_usertype<game>("game_");
+			state["game"] = game();
+
+			for (const auto& func : function_map)
+			{
+				const auto name = utils::string::to_lower(func.first);
+				game_type[name] = [name](const game&, const sol::this_state s, sol::variadic_args va)
+				{
+					std::vector<script_value> arguments{};
+
+					for (auto arg : va)
+					{
+						arguments.push_back(convert({s, arg}));
+					}
+
+					return convert(s, call(name, arguments));
+				};
+			}
+
+			game_type["call"] = [](const game&, const sol::this_state s, const std::string& function,
+			                       sol::variadic_args va)
+			{
+				std::vector<script_value> arguments{};
+
+				for (auto arg : va)
+				{
+					arguments.push_back(convert({s, arg}));
+				}
+
+				return convert(s, call(function, arguments));
+			};
+
+			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);
+			};
+
+			game_type["executecommand"] = [](const game&, const std::string& command)
+			{
+				command::execute(command, false);
+			};
+		}
+	}
+
+	context::context(std::string folder)
+		: folder_(std::move(folder))
+		  , scheduler_(state_)
+		  , event_handler_(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_entity_type(this->state_, this->event_handler_, this->scheduler_);
+
+		printf("Loading script '%s'\n", this->folder_.data());
+		this->load_script("__init__");
+	}
+
+	context::~context()
+	{
+		this->state_.collect_garbage();
+		this->scheduler_.clear();
+		this->event_handler_.clear();
+		this->state_ = {};
+	}
+
+	void context::run_frame()
+	{
+		this->scheduler_.run_frame();
+		this->state_.collect_garbage();
+	}
+
+	void context::notify(const event& e)
+	{
+		this->event_handler_.dispatch(e);
+	}
+
+	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/game/scripting/lua/context.hpp

@@ -0,0 +1,39 @@
+#pragma once
+
+#include "../event.hpp"
+
+#define SOL_ALL_SAFETIES_ON 1
+#define SOL_PRINT_ERRORS 0
+#include <sol/sol.hpp>
+
+#include "scheduler.hpp"
+#include "event_handler.hpp"
+
+namespace 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();
+		void notify(const event& e);
+
+	private:
+		sol::state state_{};
+		std::string folder_;
+		std::unordered_set<std::string> loaded_scripts_;
+
+		scheduler scheduler_;
+		event_handler event_handler_;
+
+		void load_script(const std::string& script);
+	};
+}

src/game/scripting/lua/engine.cpp

@@ -0,0 +1,67 @@
+#include <stdinc.hpp>
+#include "engine.hpp"
+#include "context.hpp"
+
+#include "../execution.hpp"
+
+#include <utils/io.hpp>
+
+namespace scripting::lua::engine
+{
+	namespace
+	{
+		auto& get_scripts()
+		{
+			static std::vector<std::unique_ptr<context>> scripts{};
+			return scripts;
+		}
+
+		void load_scripts()
+		{
+			const auto script_dir = "scripts/"s;
+
+			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_custom_fields();
+		get_scripts().clear();
+		load_scripts();
+	}
+
+	void stop()
+	{
+		get_scripts().clear();
+	}
+
+	void notify(const event& e)
+	{
+		for (auto& script : get_scripts())
+		{
+			script->notify(e);
+		}
+	}
+
+	void run_frame()
+	{
+		for (auto& script : get_scripts())
+		{
+			script->run_frame();
+		}
+	}
+}

src/game/scripting/lua/engine.hpp

@@ -0,0 +1,11 @@
+#pragma once
+
+#include "../event.hpp"
+
+namespace scripting::lua::engine
+{
+	void start();
+	void stop();
+	void notify(const event& e);
+	void run_frame();
+}

src/game/scripting/lua/error.cpp

@@ -0,0 +1,37 @@
+#include <stdinc.hpp>
+#include "error.hpp"
+#include "../execution.hpp"
+
+#include "component/game_console.hpp"
+
+namespace scripting::lua
+{
+	namespace
+	{
+		void notify_error()
+		{
+			try
+			{
+				call("iprintln", {"^1Script execution error!"});
+			}
+			catch (...)
+			{
+			}
+		}
+	}
+
+	void handle_error(const sol::protected_function_result& result)
+	{
+		if (!result.valid())
+		{
+			game_console::print(game_console::con_type_error, "************** Script execution error **************\n");
+
+			const sol::error err = result;
+			game_console::print(game_console::con_type_error, "%s\n", err.what());
+
+			game_console::print(game_console::con_type_error, "****************************************************\n");
+
+			notify_error();
+		}
+	}
+}

src/game/scripting/lua/error.hpp

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

src/game/scripting/lua/event_handler.cpp

@@ -0,0 +1,119 @@
+#include "stdinc.hpp"
+#include "context.hpp"
+#include "error.hpp"
+#include "value_conversion.hpp"
+
+namespace scripting::lua
+{
+	event_handler::event_handler(sol::state& state)
+		: state_(state)
+	{
+		auto event_listener_handle_type = state.new_usertype<event_listener_handle>("event_listener_handle");
+
+		event_listener_handle_type["clear"] = [this](const event_listener_handle& handle)
+		{
+			this->remove(handle);
+		};
+	}
+
+	void event_handler::dispatch(const event& event)
+	{
+		std::vector<sol::lua_value> arguments;
+
+		for (const auto& argument : event.arguments)
+		{
+			arguments.emplace_back(convert(this->state_, argument));
+		}
+
+		this->dispatch_to_specific_listeners(event, arguments);
+	}
+
+	void event_handler::dispatch_to_specific_listeners(const event& event,
+	                                                   const event_arguments& arguments)
+	{
+		callbacks_.access([&](task_list& tasks)
+		{
+			this->merge_callbacks();
+
+			for (auto i = tasks.begin(); i != tasks.end();)
+			{
+				if (i->event != event.name || i->entity != event.entity)
+				{
+					++i;
+					continue;
+				}
+
+				if (!i->is_deleted)
+				{
+					handle_error(i->callback(sol::as_args(arguments)));
+				}
+
+				if (i->is_volatile || i->is_deleted)
+				{
+					i = tasks.erase(i);
+				}
+				else
+				{
+					++i;
+				}
+			}
+		});
+	}
+
+	event_listener_handle event_handler::add_event_listener(event_listener&& listener)
+	{
+		const uint64_t id = ++this->current_listener_id_;
+		listener.id = id;
+		listener.is_deleted = false;
+
+		new_callbacks_.access([&listener](task_list& tasks)
+		{
+			tasks.emplace_back(std::move(listener));
+		});
+
+		return {id};
+	}
+
+	void event_handler::clear()
+	{
+		callbacks_.access([&](task_list& tasks)
+		{
+			new_callbacks_.access([&](task_list& new_tasks)
+			{
+				new_tasks.clear();
+				tasks.clear();
+			});
+		});
+	}
+
+	void event_handler::remove(const event_listener_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 event_handler::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/game/scripting/lua/event_handler.hpp

@@ -0,0 +1,54 @@
+#pragma once
+
+namespace scripting::lua
+{
+	using event_arguments = std::vector<sol::lua_value>;
+	using event_callback = sol::protected_function;
+
+	class event_listener_handle
+	{
+	public:
+		uint64_t id = 0;
+	};
+
+	class event_listener final : public event_listener_handle
+	{
+	public:
+		std::string event = {};
+		entity entity{};
+		event_callback callback = {};
+		bool is_volatile = false;
+		bool is_deleted = false;
+	};
+
+	class event_handler final
+	{
+	public:
+		event_handler(sol::state& state);
+
+		event_handler(event_handler&&) noexcept = delete;
+		event_handler& operator=(event_handler&&) noexcept = delete;
+
+		event_handler(const scheduler&) = delete;
+		event_handler& operator=(const event_handler&) = delete;
+
+		void dispatch(const event& event);
+
+		event_listener_handle add_event_listener(event_listener&& listener);
+
+		void clear();
+
+	private:
+		sol::state& state_;
+		std::atomic_int64_t current_listener_id_ = 0;
+
+		using task_list = std::vector<event_listener>;
+		utils::concurrency::container<task_list> new_callbacks_;
+		utils::concurrency::container<task_list, std::recursive_mutex> callbacks_;
+
+		void dispatch_to_specific_listeners(const event& event, const event_arguments& arguments);
+
+		void remove(const event_listener_handle& handle);
+		void merge_callbacks();
+	};
+}

src/game/scripting/lua/scheduler.cpp

@@ -0,0 +1,122 @@
+#include "stdinc.hpp"
+#include "context.hpp"
+#include "error.hpp"
+
+namespace 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/game/scripting/lua/scheduler.hpp

@@ -0,0 +1,50 @@
+#pragma once
+#include <utils/concurrency.hpp>
+
+namespace 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/game/scripting/lua/value_conversion.cpp

@@ -0,0 +1,192 @@
+#include <stdinc.hpp>
+#include "value_conversion.hpp"
+
+namespace scripting::lua
+{
+	/*namespace
+	{
+		struct array_value
+		{
+			int index;
+			script_value value;
+		};
+
+		sol::lua_value entity_to_array(lua_State* state, unsigned int id)
+		{
+			auto table = sol::table::create(state);
+			auto metatable = sol::table::create(state);
+
+			std::unordered_map<std::string, array_value> values;
+
+			const auto offset = 64000 * (id & 3);
+
+			auto current = game::scr_VarGlob->objectVariableChildren[id].firstChild;
+			auto idx = 1;
+
+			for (auto i = offset + current; current; i = offset + current)
+			{
+				const auto var = game::scr_VarGlob->childVariableValue[i];
+
+				if (var.type == game::SCRIPT_NONE)
+				{
+					current = var.nextSibling;
+					continue;
+				}
+
+				const auto string_value = (game::scr_string_t)((unsigned __int8)var.name_lo + (var.k.keys.name_hi << 8));
+				const auto* str = game::SL_ConvertToString(string_value);
+
+				std::string key = string_value < 0x40000 && str
+					? str
+					: std::to_string(idx++);
+
+				game::VariableValue variable{};
+				variable.type = var.type;
+				variable.u = var.u.u;
+
+				array_value value;
+				value.index = i;
+				value.value = variable;
+
+				values[key] = value;
+
+				current = var.nextSibling;
+			}
+
+			table["getkeys"] = [values]()
+			{
+				std::vector<std::string> _keys;
+
+				for (const auto& entry : values)
+				{
+					_keys.push_back(entry.first);
+				}
+
+				return _keys;
+			};
+
+			metatable[sol::meta_function::new_index] = [values](const sol::table t, const sol::this_state s,
+				const sol::lua_value& key_value, const sol::lua_value& value)
+			{
+				const auto key = key_value.is<int>()
+					? std::to_string(key_value.as<int>())
+					: key_value.as<std::string>();
+
+				if (values.find(key) == values.end())
+				{
+					return;
+				}
+
+				const auto variable = convert({s, value}).get_raw();
+				const auto i = values.at(key).index;
+
+				game::scr_VarGlob->childVariableValue[i].type = (char)variable.type;
+				game::scr_VarGlob->childVariableValue[i].u.u = variable.u;
+			};
+
+			metatable[sol::meta_function::index] = [values](const sol::table t, const sol::this_state s,
+				const sol::lua_value& key_value)
+			{
+				const auto key = key_value.is<int>()
+					? std::to_string(key_value.as<int>())
+					: key_value.as<std::string>();
+
+				if (values.find(key) == values.end())
+				{
+					return sol::lua_value{};
+				}
+
+				return convert(s, values.at(key).value);
+			};
+
+			metatable[sol::meta_function::length] = [values]()
+			{
+				return values.size();
+			};
+
+			table[sol::metatable_key] = metatable;
+
+			return {state, table};
+		}
+	}*/
+
+	script_value convert(const sol::lua_value& value)
+	{
+		if (value.is<int>())
+		{
+			return {value.as<int>()};
+		}
+
+		if (value.is<unsigned int>())
+		{
+			return {value.as<unsigned int>()};
+		}
+
+		if (value.is<bool>())
+		{
+			return {value.as<bool>()};
+		}
+
+		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<entity>())
+		{
+			return {value.as<entity>()};
+		}
+
+		if (value.is<vector>())
+		{
+			return {value.as<vector>()};
+		}
+
+		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<std::string>())
+		{
+			return {state, value.as<std::string>()};
+		}
+		
+		/*if (value.is<std::vector<script_value>>())
+		{
+			return entity_to_array(state, value.get_raw().u.uintValue);
+		}*/
+
+		if (value.is<entity>())
+		{
+			return {state, value.as<entity>()};
+		}
+
+		if (value.is<vector>())
+		{
+			return {state, value.as<vector>()};
+		}
+
+		return {};
+	}
+}

src/game/scripting/lua/value_conversion.hpp

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

src/game/scripting/safe_execution.cpp

@@ -0,0 +1,72 @@
+#include <stdinc.hpp>
+#include "safe_execution.hpp"
+
+#pragma warning(push)
+#pragma warning(disable: 4611)
+
+namespace scripting::safe_execution
+{
+	namespace
+	{
+		bool execute_with_seh(const script_function function, const game::scr_entref_t& entref)
+		{
+			__try
+			{
+				function(entref);
+				return true;
+			}
+			__except (EXCEPTION_EXECUTE_HANDLER)
+			{
+				return false;
+			}
+		}
+	}
+
+	bool call(const script_function function, const game::scr_entref_t& entref)
+	{
+		*game::g_script_error_level += 1;
+		if (game::_setjmp(&game::g_script_error[*game::g_script_error_level]))
+		{
+			*game::g_script_error_level -= 1;
+			return false;
+		}
+
+		const auto result = execute_with_seh(function, entref);
+		*game::g_script_error_level -= 1;
+		return result;
+	}
+
+	bool set_entity_field(const game::scr_entref_t& entref, const int offset)
+	{
+		*game::g_script_error_level += 1;
+		if (game::_setjmp(&game::g_script_error[*game::g_script_error_level]))
+		{
+			*game::g_script_error_level -= 1;
+			return false;
+		}
+
+		game::Scr_SetObjectField(entref.classnum, entref.entnum, offset);
+
+		*game::g_script_error_level -= 1;
+		return true;
+	}
+
+	bool get_entity_field(const game::scr_entref_t& entref, const int offset, game::VariableValue* value)
+	{
+		*game::g_script_error_level += 1;
+		if (game::_setjmp(&game::g_script_error[*game::g_script_error_level]))
+		{
+			value->type = game::SCRIPT_NONE;
+			value->u.intValue = 0;
+			*game::g_script_error_level -= 1;
+			return false;
+		}
+
+		game::GetEntityFieldValue(value, entref.classnum, entref.entnum, offset);
+
+		*game::g_script_error_level -= 1;
+		return true;
+	}
+}
+
+#pragma warning(pop)

src/game/scripting/safe_execution.hpp

@@ -0,0 +1,10 @@
+#pragma once
+#include "functions.hpp"
+
+namespace scripting::safe_execution
+{
+	bool call(script_function function, const game::scr_entref_t& entref);
+
+	bool set_entity_field(const game::scr_entref_t& entref, int offset);
+	bool get_entity_field(const game::scr_entref_t& entref, int offset, game::VariableValue* value);
+}

src/game/scripting/script_value.cpp

@@ -0,0 +1,252 @@
+#include <stdinc.hpp>
+#include "script_value.hpp"
+#include "entity.hpp"
+
+
+namespace scripting
+{
+	/***************************************************************
+	 * Constructors
+	 **************************************************************/
+
+	script_value::script_value(const game::VariableValue& value)
+		: value_(value)
+	{
+	}
+
+	script_value::script_value(const int value)
+	{
+		game::VariableValue variable{};
+		variable.type = game::SCRIPT_INTEGER;
+		variable.u.intValue = value;
+
+		this->value_ = variable;
+	}
+
+	script_value::script_value(const unsigned int value)
+	{
+		game::VariableValue variable{};
+		variable.type = game::SCRIPT_INTEGER;
+		variable.u.uintValue = value;
+
+		this->value_ = variable;
+	}
+
+	script_value::script_value(const bool value)
+		: script_value(static_cast<unsigned>(value))
+	{
+	}
+
+	script_value::script_value(const float value)
+	{
+		game::VariableValue variable{};
+		variable.type = game::SCRIPT_FLOAT;
+		variable.u.floatValue = value;
+
+		this->value_ = variable;
+	}
+
+	script_value::script_value(const double value)
+		: script_value(static_cast<float>(value))
+	{
+	}
+
+	script_value::script_value(const char* value)
+	{
+		game::VariableValue variable{};
+		variable.type = game::SCRIPT_STRING;
+		variable.u.stringValue = game::SL_GetString(value, 0);
+
+		const auto _ = gsl::finally([&variable]()
+		{
+			game::RemoveRefToValue(variable.type, variable.u);
+		});
+
+		this->value_ = variable;
+	}
+
+	script_value::script_value(const std::string& value)
+		: script_value(value.data())
+	{
+	}
+
+	script_value::script_value(const entity& value)
+	{
+		game::VariableValue variable{};
+		variable.type = game::SCRIPT_OBJECT;
+		variable.u.pointerValue = value.get_entity_id();
+
+		this->value_ = variable;
+	}
+
+	script_value::script_value(const vector& value)
+	{
+		game::VariableValue variable{};
+		variable.type = game::SCRIPT_VECTOR;
+		variable.u.vectorValue = game::Scr_AllocVector(value);
+
+		const auto _ = gsl::finally([&variable]()
+		{
+			game::RemoveRefToValue(variable.type, variable.u);
+		});
+
+		this->value_ = variable;
+	}
+
+	/***************************************************************
+	 * Integer
+	 **************************************************************/
+
+	template <>
+	bool script_value::is<int>() const
+	{
+		return this->get_raw().type == game::SCRIPT_INTEGER;
+	}
+
+	template <>
+	bool script_value::is<unsigned int>() const
+	{
+		return this->is<int>();
+	}
+
+	template <>
+	bool script_value::is<bool>() const
+	{
+		return this->is<int>();
+	}
+
+	template <>
+	int script_value::get() const
+	{
+		return this->get_raw().u.intValue;
+	}
+
+	template <>
+	unsigned int script_value::get() const
+	{
+		return this->get_raw().u.uintValue;
+	}
+
+	template <>
+	bool script_value::get() const
+	{
+		return this->get_raw().u.uintValue != 0;
+	}
+
+	/***************************************************************
+	 * Float
+	 **************************************************************/
+
+	template <>
+	bool script_value::is<float>() const
+	{
+		return this->get_raw().type == game::SCRIPT_FLOAT;
+	}
+
+	template <>
+	bool script_value::is<double>() const
+	{
+		return this->is<float>();
+	}
+
+	template <>
+	float script_value::get() const
+	{
+		return this->get_raw().u.floatValue;
+	}
+
+	template <>
+	double script_value::get() const
+	{
+		return static_cast<double>(this->get_raw().u.floatValue);
+	}
+
+	/***************************************************************
+	 * String
+	 **************************************************************/
+
+	template <>
+	bool script_value::is<const char*>() const
+	{
+		return this->get_raw().type == game::SCRIPT_STRING;
+	}
+
+	template <>
+	bool script_value::is<std::string>() const
+	{
+		return this->is<const char*>();
+	}
+
+	template <>
+	const char* script_value::get() const
+	{
+		return game::SL_ConvertToString(static_cast<game::scr_string_t>(this->get_raw().u.stringValue));
+	}
+
+	template <>
+	std::string script_value::get() const
+	{
+		return this->get<const char*>();
+	}
+
+	/***************************************************************
+	 * Array
+	 **************************************************************/
+
+	template <>
+	bool script_value::is<std::vector<script_value>>() const
+	{
+		/*if (this->get_raw().type != game::SCRIPT_OBJECT)
+		{
+			return false;
+		}
+
+		const auto id = this->get_raw().u.uintValue;
+		const auto type = game::scr_VarGlob->objectVariableValue[id].w.type;
+
+		return type == game::SCRIPT_ARRAY;*/
+
+		return false;
+	}
+
+	/***************************************************************
+	 * Entity
+	 **************************************************************/
+
+	template <>
+	bool script_value::is<entity>() const
+	{
+		return this->get_raw().type == game::SCRIPT_OBJECT;
+	}
+
+	template <>
+	entity script_value::get() const
+	{
+		return entity(this->get_raw().u.pointerValue);
+	}
+
+	/***************************************************************
+	 * Vector
+	 **************************************************************/
+
+	template <>
+	bool script_value::is<vector>() const
+	{
+		return this->get_raw().type == game::SCRIPT_VECTOR;
+	}
+
+	template <>
+	vector script_value::get() const
+	{
+		return this->get_raw().u.vectorValue;
+	}
+
+	/***************************************************************
+	 *
+	 **************************************************************/
+
+	const game::VariableValue& script_value::get_raw() const
+	{
+		return this->value_.get();
+	}
+}

src/game/scripting/script_value.hpp

@@ -0,0 +1,52 @@
+#pragma once
+#include "game/game.hpp"
+#include "variable_value.hpp"
+#include "vector.hpp"
+
+namespace scripting
+{
+	class entity;
+
+	class script_value
+	{
+	public:
+		script_value() = default;
+		script_value(const game::VariableValue& 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 entity& value);
+
+		script_value(const vector& 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::VariableValue& get_raw() const;
+
+	private:
+		template <typename T>
+		T get() const;
+
+		variable_value value_{};
+	};
+}

src/game/scripting/stack_isolation.cpp

@@ -0,0 +1,27 @@
+#include <stdinc.hpp>
+#include "stack_isolation.hpp"
+
+namespace scripting
+{
+	stack_isolation::stack_isolation()
+	{
+		this->in_param_count_ = game::scr_VmPub->inparamcount;
+		this->out_param_count_ = game::scr_VmPub->outparamcount;
+		this->top_ = game::scr_VmPub->top;
+		this->max_stack_ = game::scr_VmPub->maxstack;
+
+		game::scr_VmPub->top = this->stack_;
+		game::scr_VmPub->maxstack = &this->stack_[ARRAYSIZE(this->stack_) - 1];
+		game::scr_VmPub->inparamcount = 0;
+		game::scr_VmPub->outparamcount = 0;
+	}
+
+	stack_isolation::~stack_isolation()
+	{
+		game::Scr_ClearOutParams();
+		game::scr_VmPub->inparamcount = this->in_param_count_;
+		game::scr_VmPub->outparamcount = this->out_param_count_;
+		game::scr_VmPub->top = this->top_;
+		game::scr_VmPub->maxstack = this->max_stack_;
+	}
+}

src/game/scripting/stack_isolation.hpp

@@ -0,0 +1,25 @@
+#pragma once
+#include "game/game.hpp"
+
+namespace scripting
+{
+	class stack_isolation final
+	{
+	public:
+		stack_isolation();
+		~stack_isolation();
+
+		stack_isolation(stack_isolation&&) = delete;
+		stack_isolation(const stack_isolation&) = delete;
+		stack_isolation& operator=(stack_isolation&&) = delete;
+		stack_isolation& operator=(const stack_isolation&) = delete;
+
+	private:
+		game::VariableValue stack_[512]{};
+
+		game::VariableValue* max_stack_;
+		game::VariableValue* top_;
+		unsigned int in_param_count_;
+		unsigned int out_param_count_;
+	};
+}

src/game/scripting/variable_value.cpp

@@ -0,0 +1,68 @@
+#include <stdinc.hpp>
+#include "variable_value.hpp"
+
+namespace scripting
+{
+	variable_value::variable_value(const game::VariableValue& value)
+	{
+		this->assign(value);
+	}
+
+	variable_value::variable_value(const variable_value& other) noexcept
+	{
+		this->operator=(other);
+	}
+
+	variable_value::variable_value(variable_value&& other) noexcept
+	{
+		this->operator=(std::move(other));
+	}
+
+	variable_value& variable_value::operator=(const variable_value& other) noexcept
+	{
+		if (this != &other)
+		{
+			this->release();
+			this->assign(other.value_);
+		}
+
+		return *this;
+	}
+
+	variable_value& variable_value::operator=(variable_value&& other) noexcept
+	{
+		if (this != &other)
+		{
+			this->release();
+			this->value_ = other.value_;
+			other.value_.type = game::SCRIPT_NONE;
+		}
+
+		return *this;
+	}
+
+	variable_value::~variable_value()
+	{
+		this->release();
+	}
+
+	const game::VariableValue& variable_value::get() const
+	{
+		return this->value_;
+	}
+
+	void variable_value::assign(const game::VariableValue& value)
+	{
+		this->value_ = value;
+		game::AddRefToValue(this->value_.type, this->value_.u);
+	}
+
+	void variable_value::release()
+	{
+		if (this->value_.type != game::SCRIPT_NONE)
+		{
+			game::RemoveRefToValue(this->value_.type, this->value_.u);
+			this->value_.type = game::SCRIPT_NONE;
+		}
+	}
+}

src/game/scripting/variable_value.hpp

@@ -0,0 +1,27 @@
+#pragma once
+#include "game/game.hpp"
+
+namespace scripting
+{
+	class variable_value
+	{
+	public:
+		variable_value() = default;
+		variable_value(const game::VariableValue& value);
+		variable_value(const variable_value& other) noexcept;
+		variable_value(variable_value&& other) noexcept;
+
+		variable_value& operator=(const variable_value& other) noexcept;
+		variable_value& operator=(variable_value&& other) noexcept;
+
+		~variable_value();
+
+		const game::VariableValue& get() const;
+
+	private:
+		void assign(const game::VariableValue& value);
+		void release();
+
+		game::VariableValue value_{{0}, game::SCRIPT_NONE};
+	};
+}

src/game/scripting/vector.cpp

@@ -0,0 +1,85 @@
+#include <stdinc.hpp>
+#include "vector.hpp"
+
+namespace scripting
+{
+	vector::vector(const float* value)
+	{
+		for (auto i = 0; i < 3; ++i)
+		{
+			this->value_[i] = value[i];
+		}
+	}
+
+	vector::vector(const game::vec3_t& value)
+		: vector(&value[0])
+	{
+	}
+
+	vector::vector(const float x, const float y, const float z)
+	{
+		this->value_[0] = x;
+		this->value_[1] = y;
+		this->value_[2] = z;
+	}
+
+	vector::operator game::vec3_t&()
+	{
+		return this->value_;
+	}
+
+	vector::operator const game::vec3_t&() const
+	{
+		return this->value_;
+	}
+
+	game::vec_t& vector::operator[](const size_t i)
+	{
+		if (i >= 3)
+		{
+			throw std::runtime_error("Out of bounds.");
+		}
+
+		return this->value_[i];
+	}
+
+	const game::vec_t& vector::operator[](const size_t i) const
+	{
+		if (i >= 3)
+		{
+			throw std::runtime_error("Out of bounds.");
+		}
+
+		return this->value_[i];
+	}
+
+	float vector::get_x() const
+	{
+		return this->operator[](0);
+	}
+
+	float vector::get_y() const
+	{
+		return this->operator[](1);
+	}
+
+	float vector::get_z() const
+	{
+		return this->operator[](2);
+	}
+
+	void vector::set_x(const float value)
+	{
+		this->operator[](0) = value;
+	}
+
+	void vector::set_y(const float value)
+	{
+		this->operator[](1) = value;
+	}
+
+	void vector::set_z(const float value)
+	{
+		this->operator[](2) = value;
+	}
+}

src/game/scripting/vector.hpp

@@ -0,0 +1,31 @@
+#pragma once
+#include "game/game.hpp"
+
+namespace scripting
+{
+	class vector final
+	{
+	public:
+		vector() = default;
+		vector(const float* value);
+		vector(const game::vec3_t& value);
+		vector(float x, float y, float z);
+
+		operator game::vec3_t&();
+		operator const game::vec3_t&() const;
+
+		game::vec_t& operator[](size_t i);
+		const game::vec_t& operator[](size_t i) const;
+
+		float get_x() const;
+		float get_y() const;
+		float get_z() const;
+
+		void set_x(float value);
+		void set_y(float value);
+		void set_z(float value);
+
+	private:
+		game::vec3_t value_{0};
+	};
+}

src/game/structs.hpp

@@ -9,8 +9,12 @@ namespace game
 
 	struct gclient_s
 	{
-		char __pad0[7684];
+
-		int flags;
+	};
+
+	struct client_t
+	{
+		char __pad0[13508];
 	};
 
 	struct EntityState
@@ -20,8 +24,8 @@ namespace game
 
 	struct gentity_s
 	{
-		EntityState s;
+		char __pad0[760];
-	};
+	}; // size = 760
 
 	struct Material
 	{
@@ -283,7 +287,7 @@ namespace game
 
 	struct dvar_t
 	{
-		const char* name; //00
+		int name; //00
 		unsigned int flags; //08
 		dvar_type type; //0C
 		bool modified; //0D
@@ -528,4 +532,93 @@ namespace game
 		unsigned int nextOverride;
 		unsigned int nextPoolEntry;
 	};
+
+	enum scr_string_t
+	{
+		scr_string_t_dummy = 0x0,
+	};
+
+	struct scr_entref_t
+	{
+		unsigned short entnum;
+		unsigned short classnum;
+	};
+
+	enum scriptType_e
+	{
+		SCRIPT_NONE = 0,
+		SCRIPT_OBJECT = 1,
+		SCRIPT_STRING = 2,
+		SCRIPT_ISTRING = 3,
+		SCRIPT_VECTOR = 4,
+		SCRIPT_FLOAT = 5,
+		SCRIPT_INTEGER = 6,
+		SCRIPT_END = 8,
+		SCRIPT_ARRAY = 22
+	};
+
+	struct VariableStackBuffer
+	{
+		const char* pos;
+		unsigned __int16 size;
+		unsigned __int16 bufLen;
+		unsigned __int16 localId;
+		char time;
+		char buf[1];
+	};
+
+	union VariableUnion
+	{
+		int intValue;
+		unsigned int uintValue;
+		float floatValue;
+		unsigned int stringValue;
+		const float* vectorValue;
+		const char* codePosValue;
+		unsigned int pointerValue;
+		VariableStackBuffer* stackValue;
+		unsigned int entityOffset;
+	};
+
+	struct VariableValue
+	{
+		VariableUnion u;
+		int type;
+	};
+
+	struct function_stack_t
+	{
+		const char* pos;
+		unsigned int localId;
+		unsigned int localVarCount;
+		VariableValue* top;
+		VariableValue* startTop;
+	};
+
+	struct function_frame_t
+	{
+		function_stack_t fs;
+		int topType;
+	};
+
+	struct scrVmPub_t
+	{
+		unsigned int* localVars;
+		VariableValue* maxstack;
+		int function_count;
+		function_frame_t* function_frame;
+		VariableValue* top;
+		unsigned int inparamcount;
+		unsigned int outparamcount;
+		function_frame_t function_frame_start[32];
+		VariableValue stack[2048];
+	};
+
+	struct scr_classStruct_t
+	{
+		unsigned __int16 id;
+		unsigned __int16 entArrayId;
+		char charId;
+		const char* name;
+	};
 }

src/game/symbols.hpp

@@ -6,6 +6,9 @@ namespace game
 {
 	// Functions
 	
+	WEAK symbol<void(int type, VariableUnion u)> AddRefToValue{0x5C0EB0};
+	WEAK symbol<void(int type, VariableUnion u)> RemoveRefToValue{0x5C29B0};
+
 	WEAK symbol<void(int localClientNum, const char* text)> Cbuf_AddText{0x59A050};
 
 	WEAK symbol<void(const char* cmdName, void(), cmd_function_s* allocedCmd)> Cmd_AddCommandInternal{0x59A5F0};
@@ -21,12 +24,22 @@ namespace game
 		Dvar_RegisterBool{0x617BB0};
 	WEAK symbol<dvar_t* (int dvarName, const char* a2, float x, float y, float z, float w, float min, float max,
 		unsigned int flags)> Dvar_RegisterVec4{0x6185F0};
-	WEAK symbol<const char* (dvar_t* dvar, dvar_value value)> Dvar_ValueToString{0x61B8F0};
+	WEAK symbol<const char* (dvar_t* dvar, void* a2, void* value)> Dvar_ValueToString{0x61B8F0};
+	WEAK symbol<void(int hash, const char* name, const char* buffer)> Dvar_SetCommand{0x61A5C0};
 
 	WEAK symbol<int(const char* fname)> generateHashValue{0x343D20};
 
+	WEAK symbol<unsigned int(int entnum, unsigned int classnum)> FindEntityId{0x5C1C50};
+	WEAK symbol<void(VariableValue* result, unsigned int classnum, int entnum, int offset)> GetEntityFieldValue{0x5C6100};
+
 	WEAK symbol<Material*(const char* material)> Material_RegisterHandle{0x759BA0};
 
+	WEAK symbol<const float* (const float* v)> Scr_AllocVector{0x5C3220};
+	WEAK symbol<void()> Scr_ClearOutParams{0x5C6E50};
+	WEAK symbol<scr_entref_t(unsigned int entId)> Scr_GetEntityIdRef{0x5C56C0};
+	WEAK symbol<int(unsigned int classnum, int entnum, int offset)> Scr_SetObjectField{0x512190};
+	WEAK symbol<void(unsigned int id, scr_string_t stringValue, unsigned int paramcount)> Scr_NotifyId{0x5C8240};
+
 	WEAK symbol<void(float x, float y, float width, float height, float s0, float t0, float s1, float t1,
 					 float* color, Material* material)> R_AddCmdDrawStretchPic{0x3C9710};
 	WEAK symbol<void(const char* text, int maxChars, Font_s* font, float x, float y, float xScale, float yScale, 
@@ -38,8 +51,14 @@ namespace game
 
 	WEAK symbol<ScreenPlacement* ()> ScrPlace_GetViewPlacement{0x3E16A0};
 
+	WEAK symbol<const char*(scr_string_t stringValue)> SL_ConvertToString{0x5BFBB0};
+	WEAK symbol<scr_string_t(const char* str, unsigned int user)> SL_GetString{0x5C0170};
+
 	WEAK symbol<void()> Sys_ShowConsole{0x633080};
 
+	WEAK symbol<void* (jmp_buf* Buf, int Value)> longjmp{0x89EED0};
+	WEAK symbol<int(jmp_buf* Buf)> _setjmp{0x8EC2E0};
+
 	// Variables
 
 	WEAK symbol<cmd_function_s*> cmd_functions{0xAD17BB8};
@@ -55,4 +74,11 @@ namespace game
 
 	WEAK symbol<int> dvarCount{0xBFBB310};
 	WEAK symbol<dvar_t*> sortedDvars{0xBFBB320};
+
+	WEAK symbol<unsigned int> levelEntityId{0xB5E0B30};
+	WEAK symbol<int> g_script_error_level{0xBA9CC24};
+	WEAK symbol<jmp_buf> g_script_error{0xBA9CD40};
+	WEAK symbol<scr_classStruct_t> g_classMap{0xBF95C0};
+
+	WEAK symbol<scrVmPub_t> scr_VmPub{0xBA9EE40};
 }

src/stdinc.hpp

@@ -19,8 +19,11 @@
 #include <cstdint>
 #include <thread>
 #include <cstdarg>
+#include <unordered_set>
+#include <csetjmp>
 
 #include <MinHook.h>
+#include <gsl/gsl>
 
 using namespace std::literals;
 
@@ -28,11 +31,14 @@ using namespace std::literals;
 #include "utils/string.hpp"
 #include "utils/hook.hpp"
 #include "utils/string.hpp"
+#include "utils/io.hpp"
 
 #include "game/structs.hpp"
 #include "game/game.hpp"
+#include "game/dvars.hpp"
 
 #include "component/command.hpp"
+#include "component/scripting.hpp"
 #include "component/scheduler.hpp"
 #include "component/input.hpp"
 #include "component/game_console.hpp"

src/utils/io.cpp

@@ -0,0 +1,115 @@
+#include <stdinc.hpp>
+#include "io.hpp"
+#include <fstream>
+
+namespace utils::io
+{
+	bool file_exists(const std::string& file)
+	{
+		return std::ifstream(file).good();
+	}
+
+	bool write_file(const std::string& file, const std::string& data, const bool append)
+	{
+		const auto pos = file.find_last_of("/\\");
+		if (pos != std::string::npos)
+		{
+			create_directory(file.substr(0, pos));
+		}
+
+		std::ofstream stream(
+			file, std::ios::binary | std::ofstream::out | (append ? std::ofstream::app : 0));
+
+		if (stream.is_open())
+		{
+			stream.write(data.data(), data.size());
+			stream.close();
+			return true;
+		}
+
+		return false;
+	}
+
+	std::string read_file(const std::string& file)
+	{
+		std::string data;
+		read_file(file, &data);
+		return data;
+	}
+
+	bool read_file(const std::string& file, std::string* data)
+	{
+		if (!data) return false;
+		data->clear();
+
+		if (file_exists(file))
+		{
+			std::ifstream stream(file, std::ios::binary);
+			if (!stream.is_open()) return false;
+
+			stream.seekg(0, std::ios::end);
+			const std::streamsize size = stream.tellg();
+			stream.seekg(0, std::ios::beg);
+
+			if (size > -1)
+			{
+				data->resize(static_cast<uint32_t>(size));
+				stream.read(const_cast<char*>(data->data()), size);
+				stream.close();
+				return true;
+			}
+		}
+
+		return false;
+	}
+
+	size_t file_size(const std::string& file)
+	{
+		if (file_exists(file))
+		{
+			std::ifstream stream(file, std::ios::binary);
+
+			if (stream.good())
+			{
+				stream.seekg(0, std::ios::end);
+				return static_cast<size_t>(stream.tellg());
+			}
+		}
+
+		return 0;
+	}
+
+	bool create_directory(const std::string& directory)
+	{
+		return std::filesystem::create_directories(directory);
+	}
+
+	bool directory_exists(const std::string& directory)
+	{
+		return std::filesystem::is_directory(directory);
+	}
+
+	bool directory_is_empty(const std::string& directory)
+	{
+		return std::filesystem::is_empty(directory);
+	}
+
+	std::vector<std::string> list_files(const std::string& directory)
+	{
+		std::vector<std::string> files;
+
+		for (auto& file : std::filesystem::directory_iterator(directory))
+		{
+			files.push_back(file.path().generic_string());
+		}
+
+		return files;
+	}
+
+	void copy_folder(const std::filesystem::path& src, const std::filesystem::path& target)
+	{
+		std::filesystem::copy(src, target,
+		                      std::filesystem::copy_options::overwrite_existing |
+		                      std::filesystem::copy_options::recursive);
+	}
+}

src/utils/io.hpp

@@ -0,0 +1,19 @@
+#pragma once
+
+#include <string>
+#include <vector>
+#include <filesystem>
+
+namespace utils::io
+{
+	bool file_exists(const std::string& file);
+	bool write_file(const std::string& file, const std::string& data, bool append = false);
+	bool read_file(const std::string& file, std::string* data);
+	std::string read_file(const std::string& file);
+	size_t file_size(const std::string& file);
+	bool create_directory(const std::string& directory);
+	bool directory_exists(const std::string& directory);
+	bool directory_is_empty(const std::string& directory);
+	std::vector<std::string> list_files(const std::string& directory);
+	void copy_folder(const std::filesystem::path& src, const std::filesystem::path& target);
+}

src/utils/string.cpp

@@ -121,4 +121,21 @@ namespace utils::string
 		}
 		*out = '\0';
 	}
+
+	std::string replace(std::string str, const std::string& from, const std::string& to)
+	{
+		if (from.empty())
+		{
+			return str;
+		}
+
+		size_t start_pos = 0;
+		while ((start_pos = str.find(from, start_pos)) != std::string::npos)
+		{
+			str.replace(start_pos, from.length(), to);
+			start_pos += to.length();
+		}
+
+		return str;
+	}
 }

src/utils/string.hpp

@@ -85,4 +85,6 @@ namespace utils::string
 	std::string get_clipboard_data();
 
 	void strip(const char* in, char* out, int max);
+
+	std::string replace(std::string str, const std::string& from, const std::string& to);
 }