Method Unbind

Plugins/UnLua/Source/UnLua/Private/Registries/ObjectRegistry.cpp:172–208

    }

    void FObjectRegistry::Unbind(UObject* Object)
    {
        int32 Ref;
        if (!ObjectRefs.RemoveAndCopyValue(Object, Ref))
            return;

        const auto L = Env->GetMainState();
        const auto Top = lua_gettop(L);
        RemoveFromObjectMapAndPushToStack(Object);

        if (Ref == LUA_NOREF)
        {
            if (lua_isnil(L, -1))
            {
                lua_pop(L, 1);
                return;
            }
            check(lua_isuserdata(L, -1));
            bool bTwoLvlPtr;
            void* Userdata = GetUserdataFast(L, -1, &bTwoLvlPtr);
            check(bTwoLvlPtr)
            *((void**)Userdata) = (void*)LowLevel::ReleasedPtr;
            lua_settop(L, Top);
            return;
        }

        check(lua_istable(L, -1));
        luaL_unref(L, LUA_REGISTRYINDEX, Ref);
        FUnLuaDelegates::OnObjectUnbinded.Broadcast(Object); // object instance ('INSTANCE') is on the top of stack now

        lua_pushstring(L, "Object");
        lua_rawget(L, -2);
        void* Userdata = lua_touserdata(L, -1);
        *((void**)Userdata) = (void*)LowLevel::ReleasedPtr;

        lua_settop(L, Top);
    }

    void FObjectRegistry::AddManualRef(lua_State* L, UObject* Object)
    {