Function NewScriptInstance

engine/gameobject/src/gameobject/gameobject_script.cpp:2530–2574

    }

    HScriptInstance NewScriptInstance(CompScriptWorld* script_world, HScript script, HInstance instance, uint16_t component_index)
    {
        lua_State* L = script->m_LuaState;

        int top = lua_gettop(L);
        (void) top;

        ScriptInstance* i = (ScriptInstance *)lua_newuserdata(L, sizeof(ScriptInstance));
        ResetScriptInstance(i);
        i->m_Script = script;

        lua_pushvalue(L, -1);
        i->m_InstanceReference = dmScript::Ref( L, LUA_REGISTRYINDEX );

        lua_newtable(L);
        i->m_ScriptDataReference = dmScript::Ref( L, LUA_REGISTRYINDEX );

        lua_newtable(L);
        i->m_ContextTableReference = dmScript::Ref( L, LUA_REGISTRYINDEX );

        i->m_Instance = instance;
        i->m_ScriptWorld = script_world->m_ScriptWorld;
        i->m_ComponentIndex = component_index;
        i->m_UniqueScriptId = dmScript::GenerateUniqueScriptId();
        NewPropertiesParams params;
        params.m_ResolvePathCallback = ScriptInstanceResolvePathCB;
        params.m_ResolvePathUserData = (uintptr_t)L;
        params.m_GetURLCallback = ScriptInstanceGetURLCB;
        i->m_Properties = NewProperties(params);
        SetPropertySet(i->m_Properties, PROPERTY_LAYER_DEFAULT, script->m_PropertySet);
        luaL_getmetatable(L, SCRIPTINSTANCE);
        lua_setmetatable(L, -2);

        lua_pop(L, 1);

        lua_rawgeti(L, LUA_REGISTRYINDEX, i->m_InstanceReference);
        dmScript::SetInstance(L);
        dmScript::InitializeInstance(i->m_ScriptWorld);
        lua_pushnil(L);
        dmScript::SetInstance(L);

        assert(top == lua_gettop(L));

        return i;
    }

    void DeleteScriptInstance(HScriptInstance script_instance)
    {