static const luaL_Reg Vector3Table[] = {
    {"new", LuaLibs_Vector3New},
    {NULL, NULL}
};

void luaL_register(lua_State* L, const char* libname, const luaL_Reg* l) {
    lua_newtable(L);
    luaL_setfuncs(L, l, 0);
    lua_setglobal(L, libname);
}


// Start from here
// Called from Lua_Init
void Lua_SetupLibs( void ) {
    luaL_openlibs(L);

    // Setup our custom functions here
    luaL_register(L, "Vector3", Vector3Table);
}

int LuaLibs_Vector3New(lua_State* L) {
    vec3_t vec;
    if (lua_gettop(L) != 3) {
        luaL_error(L, "Expected 3 arguments for Vector3: x, y, z");
        return 0; // error
    }

    vec[0] = luaL_checknumber(L, 1); // x
    vec[1] = luaL_checknumber(L, 2); // y
    vec[2] = luaL_checknumber(L, 3); // z
   
    LuaLibs_Vec3ToLuaVector3(L, vec);

    return 2; // return the new vector table
}

void LuaLibs_Vec3ToLuaVector3(lua_State* L, vec3_t vec) {
    lua_newtable(L); // create a new table for the vector
    lua_pushnumber(L, vec[0]); // x
    lua_setfield(L, -2, "x");
    lua_pushnumber(L, vec[1]); // y
    lua_setfield(L, -2, "y");
    lua_pushnumber(L, vec[2]); // z
    lua_setfield(L, -2, "z");

    // Metatable for vector operations

    luaL_newmetatable(L, "Vector3"); // create a new metatable
    lua_pushcfunction(L, LuaLibs_Vector3Add); // add the add function
    lua_setfield(L, -2, "__add"); // set the __add metamethod
    lua_pushcfunction(L, LuaLibs_Vector3Sub);
    lua_setfield(L, -2, "__sub"); // set the __sub metamethod
    lua_pushcfunction(L, LuaLibs_Vector3ToString);
    lua_setfield(L, -2, "__tostring"); // set the __tostring metamethod
    lua_setmetatable(L, -2); // set the metatable for the vector table
}