Method loadFromLevelDat

launcher/minecraft/World.cpp:480–530

}

void World::loadFromLevelDat(QByteArray data)
{
    auto levelData = parseLevelDat(data);
    if(!levelData)
    {
        is_valid = false;
        return;
    }

    nbt::value * valPtr = nullptr;
    try {
        valPtr = &levelData->at("Data");
    }
    catch (const std::out_of_range &e) {
        qWarning() << "Unable to read NBT tags from " << m_folderName << ":" << e.what();
        is_valid = false;
        return;
    }
    nbt::value &val = *valPtr;

    is_valid = val.get_type() == nbt::tag_type::Compound;
    if(!is_valid)
        return;

    auto name = read_string(val, "LevelName");
    m_actualName = name ? *name : m_folderName;

    auto timestamp = read_long(val, "LastPlayed");
    m_lastPlayed = timestamp ? QDateTime::fromMSecsSinceEpoch(*timestamp) : levelDatTime;

    m_gameType = read_gametype(val, "GameType");

    optional<int64_t> randomSeed;
    try {
        auto &WorldGen_val = val.at("WorldGenSettings");
        randomSeed = read_long(WorldGen_val, "seed");
    }
    catch (const std::out_of_range &) {}
    if(!randomSeed) {
        randomSeed = read_long(val, "RandomSeed");
    }
    m_randomSeed = randomSeed ? *randomSeed : 0;

    qDebug() << "World Name:" << m_actualName;
    qDebug() << "Last Played:" << m_lastPlayed.toString();
    if(randomSeed) {
        qDebug() << "Seed:" << *randomSeed;
    }
    qDebug() << "Size:" << m_size;
    qDebug() << "GameType:" << m_gameType.toLogString();
}

bool World::replace(World &with)
{