Method SetAttr

LuaSTGPlus/GameObjectPool.cpp:1147–1293

}

int GameObjectPool::SetAttr(lua_State* L)LNOEXCEPT
{
    lua_rawgeti(L, 1, 2);  // t(object) s(key) any(v) i(id)
    size_t id = static_cast<size_t>(lua_tonumber(L, -1));
    lua_pop(L, 1);  // t(object) s(key) any(v)

    GameObject* p = m_ObjectPool.Data(id);
    if (!p)
        return luaL_error(L, "invalid lstg object for '__newindex' meta operation.");

    // ��ѯ����
    const char* key = luaL_checkstring(L, 2);

    // ��x,y���ػ�����
    if (key[0] == 'x' && key[1] == '\0')
    {
        p->x = luaL_checknumber(L, 3);
        return 0;
    }
    else if (key[0] == 'y' && key[1] == '\0')
    {
        p->y = luaL_checknumber(L, 3);
        return 0;
    }    

    // һ������
    switch (GameObjectPropertyHash(key))
    {
    case GameObjectProperty::DX:
        return luaL_error(L, "property 'dx' is readonly.");
    case GameObjectProperty::DY:
        return luaL_error(L, "property 'dy' is readonly.");
    case GameObjectProperty::ROT:
        p->rot = luaL_checknumber(L, 3) * LDEGREE2RAD;
        break;
    case GameObjectProperty::OMIGA:
        p->omiga = luaL_checknumber(L, 3) * LDEGREE2RAD;
        break;
    case GameObjectProperty::TIMER:
        p->timer = luaL_checkinteger(L, 3);
        break;
    case GameObjectProperty::VX:
        p->vx = luaL_checknumber(L, 3);
        break;
    case GameObjectProperty::VY:
        p->vy = luaL_checknumber(L, 3);
        break;
    case GameObjectProperty::AX:
        p->ax = luaL_checknumber(L, 3);
        break;
    case GameObjectProperty::AY:
        p->ay = luaL_checknumber(L, 3);
        break;
    case GameObjectProperty::LAYER:
        p->layer = luaL_checknumber(L, 3);
        LIST_INSERT_SORT(p, Render, RenderListSortFunc); // ˢ��p����Ⱦ�㼶
        LASSERT(m_pRenderListHeader.pRenderNext != nullptr);
        LASSERT(m_pRenderListTail.pRenderPrev != nullptr);