Merge pull request #70 from XLabsProject/feature/scripting

Feature/scripting

.gitmodules

@@ -35,3 +35,9 @@
 [submodule "deps/WinToast"]
 	path = deps/WinToast
 	url = https://github.com/mohabouje/WinToast.git
+[submodule "deps/sol2"]
+	path = deps/sol2
+	url = https://github.com/ThePhD/sol2.git
+[submodule "deps/lua"]
+	path = deps/lua
+	url = https://github.com/lua/lua.git

deps/lua

@@ -0,0 +1 @@
+Subproject commit e7803f7dbcdc966ab1f9db143424ee811ab1a398

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 bc04471c11b32956e307371605710226b3957a44

src/client/component/logfile.cpp

@@ -0,0 +1,222 @@
+#include <std_include.hpp>
+#include "loader/component_loader.hpp"
+#include "scheduler.hpp"
+
+#include "game/scripting/entity.hpp"
+#include "game/scripting/execution.hpp"
+#include "game/scripting/lua/value_conversion.hpp"
+#include "game/scripting/lua/error.hpp"
+
+#include <utils/hook.hpp>
+
+#include "logfile.hpp"
+
+namespace logfile
+{
+	namespace
+	{
+		utils::hook::detour scr_player_killed_hook;
+		utils::hook::detour scr_player_damage_hook;
+
+		std::vector<sol::protected_function> player_killed_callbacks;
+		std::vector<sol::protected_function> player_damage_callbacks;
+
+		sol::lua_value convert_entity(lua_State* state, const game::mp::gentity_s* ent)
+		{
+			if (!ent)
+			{
+				return {};
+			}
+
+			const auto player = scripting::call("getEntByNum", {ent->s.entityNum});
+
+			return scripting::lua::convert(state, player);
+		}
+
+		std::string get_weapon_name(unsigned int weapon, bool isAlternate)
+		{
+			char output[1024] = { 0 };
+			game::BG_GetWeaponNameComplete(weapon, isAlternate, output, 1024);
+
+			return output;
+		}
+
+		sol::lua_value convert_vector(lua_State* state, const float* vec)
+		{
+			if (!vec)
+			{
+				return {};
+			}
+
+			const auto _vec = scripting::vector(vec);
+
+			return scripting::lua::convert(state, _vec);
+		}
+
+		std::string convert_mod(const int meansOfDeath)
+		{
+			const auto value = reinterpret_cast<game::scr_string_t**>(0x1409B5360)[meansOfDeath];
+			const auto string = game::SL_ConvertToString(*value);
+			
+			return string;
+		}
+
+		void scr_player_killed_stub(game::mp::gentity_s* self, const game::mp::gentity_s* inflictor, game::mp::gentity_s* attacker, int damage,
+			int meansOfDeath, const unsigned int weapon, bool isAlternate, const float* vDir, const unsigned int hitLoc, int psTimeOffset, int deathAnimDuration)
+		{
+			const std::string _hitLoc = reinterpret_cast<const char**>(0x1409B5400)[hitLoc];
+			const auto _mod = convert_mod(meansOfDeath);
+
+			const auto _weapon = get_weapon_name(weapon, isAlternate);
+
+			for (const auto& callback : player_killed_callbacks)
+			{
+				const auto state = callback.lua_state();
+
+				const auto _self = convert_entity(state, self);
+				const auto _inflictor = convert_entity(state, inflictor);
+				const auto _attacker = convert_entity(state, attacker);
+
+				const auto _vDir = convert_vector(state, vDir);
+
+				const auto result = callback(_self, _inflictor, _attacker, damage, _mod, _weapon, _vDir, _hitLoc, psTimeOffset, deathAnimDuration);
+
+				scripting::lua::handle_error(result);
+
+				if (result.valid() && result.get_type() == sol::type::number)
+				{
+					damage = result.get<int>();
+				}
+			}
+
+			if (damage == 0)
+			{
+				return;
+			}
+
+			scr_player_killed_hook.invoke<void>(self, inflictor, attacker, damage, meansOfDeath, weapon, isAlternate, vDir, hitLoc, psTimeOffset, deathAnimDuration);
+		}
+
+		void scr_player_damage_stub(game::mp::gentity_s* self, const game::mp::gentity_s* inflictor, game::mp::gentity_s* attacker, int damage, int dflags,
+			int meansOfDeath, const unsigned int weapon, bool isAlternate, const float* vPoint, const float* vDir, const unsigned int hitLoc, int timeOffset)
+		{
+			const std::string _hitLoc = reinterpret_cast<const char**>(0x1409B5400)[hitLoc];
+			const auto _mod = convert_mod(meansOfDeath);
+
+			const auto _weapon = get_weapon_name(weapon, isAlternate);
+
+			for (const auto& callback : player_damage_callbacks)
+			{
+				const auto state = callback.lua_state();
+
+				const auto _self = convert_entity(state, self);
+				const auto _inflictor = convert_entity(state, inflictor);
+				const auto _attacker = convert_entity(state, attacker);
+
+				const auto _vPoint = convert_vector(state, vPoint);
+				const auto _vDir = convert_vector(state, vDir);
+
+				const auto result = callback(_self, _inflictor, _attacker, damage, dflags, _mod, _weapon, _vPoint, _vDir, _hitLoc);
+
+				scripting::lua::handle_error(result);
+
+				if (result.valid() && result.get_type() == sol::type::number)
+				{
+					damage = result.get<int>();
+				}
+			}
+
+			if (damage == 0)
+			{
+				return;
+			}
+
+			scr_player_damage_hook.invoke<void>(self, inflictor, attacker, damage, dflags, meansOfDeath, weapon, isAlternate, vPoint, vDir, hitLoc, timeOffset);
+		}
+
+		bool evaluate_say(char* text, game::mp::gentity_s* ent)
+		{
+			auto hidden = false;
+
+			++text;
+
+			if (text[0] == '/')
+			{
+				hidden = true;
+				++text;
+			}
+
+			const std::string message = text;
+			const auto client = ent->s.entityNum;
+
+			scheduler::once([message, client]()
+			{
+				const scripting::entity level{*game::levelEntityId};
+				const auto player = scripting::call("getEntByNum", {client}).as<scripting::entity>();
+
+				scripting::notify(level, "say", {player, message});
+				scripting::notify(player, "say", {message});
+			}, scheduler::pipeline::server);
+
+			return hidden;
+		}
+	}
+
+	void add_player_damage_callback(const sol::protected_function& callback)
+	{
+		player_damage_callbacks.push_back(callback);
+	}
+
+	void add_player_killed_callback(const sol::protected_function& callback)
+	{
+		player_killed_callbacks.push_back(callback);
+	}
+
+	void clear_callbacks()
+	{
+		player_damage_callbacks.clear();
+		player_killed_callbacks.clear();
+	}
+
+	const auto say_stub = utils::hook::assemble([](utils::hook::assembler& a)
+	{
+		const auto hidden = a.newLabel();
+
+		a.pushad64();
+		a.mov(rcx, rbx);
+		a.mov(rdx, rdi);
+
+		a.call_aligned(evaluate_say);
+
+		a.cmp(al, 0);
+		a.jne(hidden);
+
+		a.popad64();
+		a.lea(rcx, dword_ptr(rsp, 0x80));
+		a.mov(r8d, 0x96);
+		a.jmp(0x1402E99DA);
+
+		a.bind(hidden);
+		a.popad64();
+		a.jmp(0x1402E9A44);
+	});
+
+	class component final : public component_interface
+	{
+	public:
+		void post_unpack() override
+		{
+			if (game::environment::is_sp())
+			{
+				return;
+			}
+
+			utils::hook::jump(0x1402E99CC, say_stub, true);
+
+			scr_player_damage_hook.create(0x140332150, scr_player_damage_stub);
+			scr_player_killed_hook.create(0x1403323D0, scr_player_killed_stub);
+		}
+	};
+}
+
+REGISTER_COMPONENT(logfile::component)

src/client/component/logfile.hpp

@@ -0,0 +1,8 @@
+#pragma once
+
+namespace logfile
+{
+	void add_player_damage_callback(const sol::protected_function& callback);
+	void add_player_killed_callback(const sol::protected_function& callback);
+	void clear_callbacks();
+}

src/client/component/scripting.cpp

@@ -0,0 +1,89 @@
+#include <std_include.hpp>
+#include "loader/component_loader.hpp"
+
+#include "game/game.hpp"
+#include <utils/hook.hpp>
+
+#include "game/scripting/entity.hpp"
+#include "game/scripting/event.hpp"
+#include "game/scripting/lua/engine.hpp"
+#include "game/scripting/execution.hpp"
+
+#include "scheduler.hpp"
+
+namespace scripting
+{
+	namespace
+	{
+		utils::hook::detour vm_notify_hook;
+		utils::hook::detour scr_load_level_hook;
+		utils::hook::detour g_shutdown_game_hook;
+
+		void vm_notify_stub(const unsigned int notify_list_owner_id, const game::scr_string_t string_value,
+		                    game::VariableValue* top)
+		{
+			if (!game::VirtualLobby_Loaded())
+			{
+				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 (e.name == "connected")
+					{
+						scripting::clear_entity_fields(e.entity);
+					}
+
+					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>();
+			if (!game::VirtualLobby_Loaded())
+			{
+				lua::engine::start();
+			}
+		}
+
+		void g_shutdown_game_stub(const int free_scripts)
+		{
+			if (!game::VirtualLobby_Loaded())
+			{
+				lua::engine::stop();
+			}
+			return g_shutdown_game_hook.invoke<void>(free_scripts);
+		}
+	}
+
+	class component final : public component_interface
+	{
+	public:
+		void post_unpack() override
+		{
+			vm_notify_hook.create(SELECT_VALUE(0x140320E50, 0x1403FD5B0), vm_notify_stub);
+			// SP address is wrong, but should be ok
+			scr_load_level_hook.create(SELECT_VALUE(0x140005260, 0x140325B90), scr_load_level_stub);
+			g_shutdown_game_hook.create(SELECT_VALUE(0x140228BA0, 0x1402F8C10), g_shutdown_game_stub);
+
+			scheduler::loop([]()
+			{
+				lua::engine::run_frame();
+			}, scheduler::pipeline::server);
+		}
+	};
+}
+
+REGISTER_COMPONENT(scripting::component)

src/client/game/game.cpp

@@ -25,7 +25,7 @@ namespace game
 
 	bool VirtualLobby_Loaded()
 	{
-		return *mp::virtualLobby_loaded == 1;
+		return !game::environment::is_sp() && *mp::virtualLobby_loaded == 1;
 	}
 
 	namespace environment

src/client/game/scripting/entity.cpp

@@ -0,0 +1,115 @@
+#include <std_include.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()
+	{
+		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/client/game/scripting/entity.hpp

@@ -0,0 +1,49 @@
+#pragma once
+#include "game/game.hpp"
+#include "script_value.hpp"
+
+namespace scripting
+{
+	class entity final
+	{
+	public:
+		entity();
+		entity(unsigned int entity_id);
+
+		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/client/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/client/game/scripting/execution.cpp

@@ -0,0 +1,209 @@
+#include <std_include.hpp>
+#include "execution.hpp"
+#include "safe_execution.hpp"
+#include "stack_isolation.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)
+		{
+			const auto class_id = game::g_classMap[classnum].id;
+			const auto field_str = game::SL_GetString(field.data(), 0);
+			const auto _ = gsl::finally([field_str]()
+			{
+				game::RemoveRefToValue(game::SCRIPT_STRING, {static_cast<int>(field_str)});
+			});
+
+			const auto offset = game::FindVariable(class_id, field_str);
+			if (offset)
+			{
+				const auto index = 3 * (offset + 0xFA00 * (class_id & 3));
+				const auto id = reinterpret_cast<PINT64>(SELECT_VALUE(0x149BB5680, 0x14821DF80))[index];
+				return static_cast<int>(id);
+			}
+
+			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
+		{
+			// Read custom fields
+			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;
+		}
+		else
+		{
+			// Add custom fields
+			return get_custom_field(entity, field);
+		}
+
+		return {};
+	}
+}

src/client/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/client/game/scripting/functions.cpp

@@ -0,0 +1,81 @@
+#include <std_include.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 = SELECT_VALUE(0x149668F50, 0x147DD1850);
+			static const auto method_table = SELECT_VALUE(0x14966A670, 0x147DD2F50);
+
+			if (index < 0x2DF)
+			{
+				return reinterpret_cast<script_function*>(function_table)[index];
+			}
+
+			return reinterpret_cast<script_function*>(method_table)[index - 0x8000];
+		}
+	}
+
+	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/client/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/client/game/scripting/lua/context.cpp

@@ -0,0 +1,331 @@
+#include <std_include.hpp>
+#include "context.hpp"
+#include "error.hpp"
+#include "value_conversion.hpp"
+
+#include "../execution.hpp"
+#include "../functions.hpp"
+
+#include "../../../component/command.hpp"
+#include "../../../component/logfile.hpp"
+
+#include <utils/string.hpp>
+
+namespace scripting::lua
+{
+	namespace
+	{
+		std::vector<std::string> load_game_constants()
+		{
+			std::vector<std::string> result{};
+
+			const auto constants = game::GScr_LoadConsts.get();
+
+			ud_t ud;
+			ud_init(&ud);
+			ud_set_mode(&ud, 64);
+			ud_set_pc(&ud, uint64_t(constants));
+			ud_set_input_buffer(&ud, reinterpret_cast<const uint8_t*>(constants), INT32_MAX);
+
+			while (true)
+			{
+				ud_disassemble(&ud);
+
+				if (ud_insn_mnemonic(&ud) == UD_Iret)
+				{
+					break;
+				}
+
+				if (ud_insn_mnemonic(&ud) == UD_Imov)
+				{
+					const auto* operand = ud_insn_opr(&ud, 0);
+					if (operand && operand->type == UD_OP_REG && operand->base == UD_R_ECX)
+					{
+						operand = ud_insn_opr(&ud, 1);
+						if (operand && operand->type == UD_OP_IMM && (operand->base == UD_R_RAX || operand->base == UD_R_EAX))
+						{
+							result.emplace_back(reinterpret_cast<const char**>(0x1409C1CE0)[operand->lval.udword]);
+						}
+					}
+				}
+
+				if (ud_insn_mnemonic(&ud) == UD_Ilea)
+				{
+					const auto* operand = ud_insn_opr(&ud, 0);
+					if (!operand || operand->type != UD_OP_REG || operand->base != UD_R_RCX)
+					{
+						continue;
+					}
+
+					operand = ud_insn_opr(&ud, 1);
+					if (operand && operand->type == UD_OP_MEM && operand->base == UD_R_RIP)
+					{
+						auto* operand_ptr = reinterpret_cast<char*>(ud_insn_len(&ud) + ud_insn_off(&ud) + operand->lval.
+							sdword);
+						if (!utils::memory::is_bad_read_ptr(operand_ptr) && utils::memory::is_rdata_ptr(operand_ptr) &&
+							strlen(operand_ptr) > 0)
+						{
+							result.emplace_back(operand_ptr);
+						}
+					}
+				}
+
+				if (*reinterpret_cast<unsigned char*>(ud.pc) == 0xCC) break; // int 3
+			}
+
+			return result;
+		}
+
+		const std::vector<std::string>& get_game_constants()
+		{
+			static auto constants = load_game_constants();
+			return constants;
+		}
+
+		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));
+				};
+			}
+
+			for (const auto& constant : get_game_constants())
+			{
+				entity_type[constant] = sol::property(
+					[constant](const entity& entity, const sol::this_state s)
+					{
+						return convert(s, entity.get(constant));
+					},
+					[constant](const entity& entity, const sol::this_state s, const sol::lua_value& value)
+					{
+						entity.set(constant, convert({s, value}));
+					});
+			}
+
+			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);
+			};
+
+			game_type["onplayerdamage"] = [](const game&, const sol::protected_function& callback)
+			{
+				logfile::add_player_damage_callback(callback);
+			};
+
+			game_type["onplayerkilled"] = [](const game&, const sol::protected_function& callback)
+			{
+				logfile::add_player_killed_callback(callback);
+			};
+		}
+	}
+
+	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/client/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/client/game/scripting/lua/engine.cpp

@@ -0,0 +1,75 @@
+#include <std_include.hpp>
+#include "engine.hpp"
+#include "context.hpp"
+
+#include "../execution.hpp"
+#include "../../../component/logfile.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 = "s1x/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()
+	{
+		// No SP until there is a concept
+		if (game::environment::is_sp())
+		{
+			return;
+		}
+
+		clear_custom_fields();
+		get_scripts().clear();
+		load_scripts();
+	}
+
+	void stop()
+	{
+		logfile::clear_callbacks();
+		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/client/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/client/game/scripting/lua/error.cpp

@@ -0,0 +1,35 @@
+#include <std_include.hpp>
+#include "error.hpp"
+#include "../execution.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())
+		{
+			printf("************** Script execution error **************\n");
+
+			const sol::error err = result;
+			printf("%s\n", err.what());
+
+			printf("****************************************************\n");
+
+			notify_error();
+		}
+	}
+}

src/client/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/client/game/scripting/lua/event_handler.cpp

@@ -0,0 +1,72 @@
+#include "std_include.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)
+	{
+		for (auto listener : this->event_listeners_)
+		{
+			if (listener->event == event.name && listener->entity == event.entity)
+			{
+				if (listener->is_volatile)
+				{
+					this->event_listeners_.remove(listener);
+				}
+
+				handle_error(listener->callback(sol::as_args(arguments)));
+			}
+		}
+	}
+
+	event_listener_handle event_handler::add_event_listener(event_listener&& listener)
+	{
+		const uint64_t id = ++this->current_listener_id_;
+		listener.id = id;
+		this->event_listeners_.add(std::move(listener));
+		return {id};
+	}
+
+	void event_handler::clear()
+	{
+		this->event_listeners_.clear();
+	}
+
+	void event_handler::remove(const event_listener_handle& handle)
+	{
+		for (const auto task : this->event_listeners_)
+		{
+			if (task->id == handle.id)
+			{
+				this->event_listeners_.remove(task);
+				return;
+			}
+		}
+	}
+}

src/client/game/scripting/lua/event_handler.hpp

@@ -0,0 +1,51 @@
+#pragma once
+#include <utils/concurrent_list.hpp>
+
+namespace scripting::lua
+{
+	using event_arguments = std::vector<sol::lua_value>;
+	using event_callback = sol::protected_function;
+
+	class event_listener_handle
+	{
+	public:
+		unsigned long long id = 0;
+	};
+
+	class event_listener final : public event_listener_handle
+	{
+	public:
+		std::string event = {};
+		entity entity{};
+		event_callback callback = {};
+		bool is_volatile = 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;
+
+		utils::concurrent_list<event_listener> event_listeners_;
+
+		void dispatch_to_specific_listeners(const event& event, const event_arguments& arguments);
+
+		void remove(const event_listener_handle& handle);
+	};
+}

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

@@ -0,0 +1,72 @@
+#include "std_include.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()
+	{
+		for (auto task : this->tasks_)
+		{
+			const auto now = std::chrono::steady_clock::now();
+			if ((now - task->last_execution) > task->delay)
+			{
+				task->last_execution = now;
+				if (task->is_volatile)
+				{
+					this->tasks_.remove(task);
+				}
+
+				handle_error(task->callback());
+			}
+		}
+	}
+
+	void scheduler::clear()
+	{
+		this->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)
+	{
+		task task;
+		task.is_volatile = is_volatile;
+		task.callback = callback;
+		task.delay = delay;
+		task.last_execution = std::chrono::steady_clock::now();
+		task.id = ++this->current_task_id_;
+
+		this->tasks_.add(task);
+
+		return {task.id};
+	}
+
+	void scheduler::remove(const task_handle& handle)
+	{
+		for (auto task : this->tasks_)
+		{
+			if (task->id == handle.id)
+			{
+				this->tasks_.remove(task);
+				break;
+			}
+		}
+	}
+}

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

@@ -0,0 +1,46 @@
+#pragma once
+#include <utils/concurrent_list.hpp>
+
+namespace scripting::lua
+{
+	class context;
+
+	class task_handle
+	{
+	public:
+		unsigned long long id = 0;
+	};
+
+	class task final : public task_handle
+	{
+	public:
+		std::chrono::steady_clock::time_point last_execution{};
+		sol::protected_function callback{};
+		std::chrono::milliseconds delay{};
+		bool is_volatile = 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:
+		utils::concurrent_list<task> tasks_;
+		std::atomic_int64_t current_task_id_ = 0;
+
+		void remove(const task_handle& handle);
+	};
+}

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

@@ -0,0 +1,192 @@
+#include <std_include.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/client/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/client/game/scripting/safe_execution.cpp

@@ -0,0 +1,72 @@
+#include <std_include.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/client/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/client/game/scripting/script_value.cpp

@@ -0,0 +1,250 @@
+#include <std_include.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;
+	}
+
+	/***************************************************************
+	 * 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/client/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/client/game/scripting/stack_isolation.cpp

@@ -0,0 +1,27 @@
+#include <std_include.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/client/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/client/game/scripting/variable_value.cpp

@@ -0,0 +1,68 @@
+#include <std_include.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/client/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/client/game/scripting/vector.cpp

@@ -0,0 +1,85 @@
+#include <std_include.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/client/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/client/game/structs.hpp

@@ -9,11 +9,187 @@ namespace game
 	typedef vec_t vec3_t[3];
 	typedef vec_t vec4_t[4];
 
+	// * scripting
 	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;
+	};
+
+	struct ObjectVariableChildren
+	{
+		unsigned __int16 firstChild;
+		unsigned __int16 lastChild;
+	};
+
+	struct ObjectVariableValue_u_f
+	{
+		unsigned __int16 prev;
+		unsigned __int16 next;
+	};
+
+	union ObjectVariableValue_u_o_u
+	{
+		unsigned __int16 size;
+		unsigned __int16 entnum;
+		unsigned __int16 nextEntId;
+		unsigned __int16 self;
+	};
+
+	struct	ObjectVariableValue_u_o
+	{
+		unsigned __int16 refCount;
+		ObjectVariableValue_u_o_u u;
+	};
+
+	union ObjectVariableValue_w
+	{
+		unsigned int type;
+		unsigned int classnum;
+		unsigned int notifyName;
+		unsigned int waitTime;
+		unsigned int parentLocalId;
+	};
+
+	struct ChildVariableValue_u_f
+	{
+		unsigned __int16 prev;
+		unsigned __int16 next;
+	};
+
+	union ChildVariableValue_u
+	{
+		ChildVariableValue_u_f f;
+		VariableUnion u;
+	};
+
+	struct ChildBucketMatchKeys_keys
+	{
+		unsigned __int16 name_hi;
+		unsigned __int16 parentId;
+	};
+
+	union ChildBucketMatchKeys
+	{
+		ChildBucketMatchKeys_keys keys;
+		unsigned int match;
+	};
+
+	struct	ChildVariableValue
+	{
+		ChildVariableValue_u u;
+		unsigned __int16 next;
+		char type;
+		char name_lo;
+		ChildBucketMatchKeys k;
+		unsigned __int16 nextSibling;
+		unsigned __int16 prevSibling;
+	};
+
+	union ObjectVariableValue_u
+	{
+		ObjectVariableValue_u_f f;
+		ObjectVariableValue_u_o o;
+	};
+
+	struct ObjectVariableValue
+	{
+		ObjectVariableValue_u u;
+		ObjectVariableValue_w w;
+	};
+
+	struct scrVarGlob_t
+	{
+		ObjectVariableValue objectVariableValue[40960];
+		ObjectVariableChildren objectVariableChildren[40960];
+		unsigned __int16 childVariableBucket[65536];
+		ChildVariableValue childVariableValue[384000];
+	};
+	// *
+
 	enum Sys_Folder
 	{
 		SF_ZONE = 0x0,

src/client/game/symbols.hpp

@@ -8,8 +8,13 @@ namespace game
 	 * Functions
 	 **************************************************************/
 
+	WEAK symbol<void(int type, VariableUnion u)> AddRefToValue{0x140315830, 0x1403F1F20};
+	WEAK symbol<void(int type, VariableUnion u)> RemoveRefToValue{0x140317340, 0x1403F3A50};
+
 	WEAK symbol<void(void*, void*)> AimAssist_AddToTargetList{0, 0x140001730};
 
+	WEAK symbol<void(unsigned int weapon, bool isAlternate, char* output, unsigned int maxStringLen)> BG_GetWeaponNameComplete{0x0, 0x140165580};
+
 	WEAK symbol<void(errorParm code, const char* message, ...)> Com_Error{0x1402F7570, 0x1403CE480};
 	WEAK symbol<void()> Com_Frame_Try_Block_Function{0x1402F7E10, 0x1403CEF30};
 	WEAK symbol<CodPlayMode()> Com_GetCurrentCoDPlayMode{0, 0x1404C9690};
@@ -43,9 +48,9 @@ namespace game
 	WEAK symbol<void(XAssetType type, void (__cdecl* func)(XAssetHeader, void*), void* inData, bool includeOverride)>
 	DB_EnumXAssets_FastFile{0x14017D7C0, 0x14026EC10};
 	WEAK symbol<void(XAssetType type, void(__cdecl* func)(game::XAssetHeader, void*), const void* inData, bool includeOverride)>
-	DB_EnumXAssets_Internal{ 0x14017D830, 0x14026EC80 };
+	DB_EnumXAssets_Internal{0x14017D830, 0x14026EC80};
 	WEAK symbol<game::XAssetEntry(game::XAssetType type, const char* name)>
-	DB_FindXAssetEntry{ 0x14017D830, 0x14026F020 };
+	DB_FindXAssetEntry{0x14017D830, 0x14026F020};
 	WEAK symbol<const char* (const XAsset* asset)> DB_GetXAssetName{0x140151C00, 0x140240DD0};
 	WEAK symbol<int(XAssetType type)> DB_GetXAssetTypeSize{0x140151C20, 0x140240DF0};
 	WEAK symbol<void(XZoneInfo* zoneInfo, unsigned int zoneCount, DBSyncMode syncMode)> DB_LoadXAssets{
@@ -82,6 +87,14 @@ namespace game
 	WEAK symbol<long long(const char* qpath, char** buffer)> FS_ReadFile{0x140362390, 0x1404AF380};
 	WEAK symbol<void(void* buffer)> FS_FreeFile{0x140362380, 0x1404AF370};
 
+	WEAK symbol<void()> GScr_LoadConsts{0x140283970, 0x1403479C0};
+	WEAK symbol<unsigned int(unsigned int parentId, unsigned int name)> FindVariable{0x1403166D0, 0x1403F2DC0};
+	WEAK symbol<scr_string_t(unsigned int parentId, unsigned int id)> GetVariableName{0x1403170E0, 0x1403F37F0};
+	WEAK symbol<void(VariableValue* result, unsigned int classnum, int entnum, int offset)> GetEntityFieldValue{
+		0x14031AAD0, 0x1403F72A0
+	};
+	WEAK symbol<unsigned int(unsigned int)> GetObjectType{0x140316F70, 0x1403F3670};
+
 	WEAK symbol<void()> G_Glass_Update{0x14021D540, 0x1402EDEE0};
 
 	WEAK symbol<unsigned int(const char* name)> G_GetWeaponForName{0x140274590, 0x14033FF60};
@@ -133,8 +146,15 @@ namespace game
 	WEAK symbol<float(int index)> Scr_GetFloat{0x14031C090, 0x1403F8820};
 	WEAK symbol<int()> Scr_GetNumParam{0x14031C2A0, 0x1403F8980};
 	WEAK symbol<void()> Scr_ClearOutParams{0x14031B7C0, 0x1403F8040};
+	WEAK symbol<scr_entref_t(unsigned int entId)> Scr_GetEntityIdRef{0x14031A0D0, 0x1403F68A0};
+	WEAK symbol<int(unsigned int classnum, int entnum, int offset)> Scr_SetObjectField{0x14026B620, 0x140339450};
+	WEAK symbol<void(unsigned int id, scr_string_t stringValue, unsigned int paramcount)> Scr_NotifyId{
+		0x14031CB80, 0x1403F92D0
+	};
 
+	WEAK symbol<const char*(scr_string_t stringValue)> SL_ConvertToString{0x140314850, 0x1403F0F10};
 	WEAK symbol<scr_string_t(const char* str)> SL_FindString{0x140314AF0, 0x1403F11C0};
+	WEAK symbol<scr_string_t(const char* str, unsigned int user)> SL_GetString{0x140314D90, 0x1403F1440};
 
 	WEAK symbol<void(const char* text_in)> SV_Cmd_TokenizeString{0, 0x1403B0640};
 	WEAK symbol<void()> SV_Cmd_EndTokenizedString{0, 0x1403B0600};
@@ -182,6 +202,9 @@ namespace game
 	WEAK symbol<void(unsigned int localClientNum, const char** args)> UI_RunMenuScript{0, 0x140490060};
 	WEAK symbol<int(const char* text, int maxChars, Font_s* font, float scale)> UI_TextWidth{0, 0x140492380};
 
+	WEAK symbol<void*(jmp_buf* Buf, int Value)> longjmp{0x14059C5C0, 0x1406FD930};
+	WEAK symbol<int(jmp_buf* Buf)> _setjmp{0x14059CD00, 0x1406FE070};
+
 	/***************************************************************
 	 * Variables
 	 **************************************************************/
@@ -196,6 +219,14 @@ namespace game
 	WEAK symbol<int> dvarCount{0x14A7BFF34, 0x14B32AA30};
 	WEAK symbol<dvar_t*> sortedDvars{0x14A7BFF50, 0x14B32AA50};
 
+	WEAK symbol<unsigned int> levelEntityId{0x149AF55B0, 0x14815DEB0};
+	WEAK symbol<int> g_script_error_level{0x14A1917A8, 0x1487F9FA4};
+	WEAK symbol<jmp_buf> g_script_error{0x14A1917B0, 0x1487FA0C0};
+	WEAK symbol<scr_classStruct_t> g_classMap{0x14080A840, 0x1409BE1B0};
+
+	WEAK symbol<scrVarGlob_t> scr_VarGlob{0x149B1D680, 0x148185F80};
+	WEAK symbol<scrVmPub_t> scr_VmPub{0x14A1938C0, 0x1487FC1C0};
+
 	WEAK symbol<const char*> command_whitelist{0x140808EF0, 0x1409B8DC0};
 
 	WEAK symbol<SOCKET> query_socket{0, 0x14B5B9180};