C++ FileStreamPtr::getBinaryTree方法代码示例

void ThingTypeManager::loadOtb(const std::string& file)
{
    FileStreamPtr fin = g_resources.openFile(file);

    uint signature = fin->getU32();
    if(signature != 0)
        stdext::throw_exception("invalid otb file");

    BinaryTreePtr root = fin->getBinaryTree();

    signature = root->getU32();
    if(signature != 0)
        stdext::throw_exception("invalid otb file");

    root->getU32(); // flags

    m_otbMajorVersion = root->getU32();
    m_otbMinorVersion = root->getU32();
    root->getU32(); // build number
    root->skip(128); // description

    m_itemTypes.resize(root->getChildren().size(), m_nullItemType);
    for(const BinaryTreePtr& node : root->getChildren()) {
        ItemTypePtr itemType(new ItemType);
        itemType->unserialize(node);
        addItemType(itemType);
    }

    m_otbLoaded = true;
}

void ThingTypeManager::loadOtb(const std::string& file)
{
    try {
        FileStreamPtr fin = g_resources.openFile(file);

        uint signature = fin->getU32();
        if(signature != 0)
            stdext::throw_exception("invalid otb file");

        BinaryTreePtr root = fin->getBinaryTree();
        root->skip(1); // otb first byte is always 0

        signature = root->getU32();
        if(signature != 0)
            stdext::throw_exception("invalid otb file");

        uint8 rootAttr = root->getU8();
        if(rootAttr == 0x01) { // OTB_ROOT_ATTR_VERSION
            uint16 size = root->getU16();
            if(size != 4 + 4 + 4 + 128)
                stdext::throw_exception("invalid otb root attr version size");

            m_otbMajorVersion = root->getU32();
            m_otbMinorVersion = root->getU32();
            root->skip(4); // buildNumber
            root->skip(128); // description
        }

        m_reverseItemTypes.clear();
        m_itemTypes.resize(root->getChildren().size() + 1, m_nullItemType);
        m_reverseItemTypes.resize(root->getChildren().size() + 1, m_nullItemType);

        for(const BinaryTreePtr& node : root->getChildren()) {
            ItemTypePtr itemType(new ItemType);
            itemType->unserialize(node);
            addItemType(itemType);

            uint16 clientId = itemType->getClientId();
            if(unlikely(clientId >= m_reverseItemTypes.size()))
                m_reverseItemTypes.resize(clientId + 1);
            m_reverseItemTypes[clientId] = itemType;
        }

        m_otbLoaded = true;
        g_lua.callGlobalField("g_things", "onLoadOtb", file);
    } catch(std::exception& e) {
        g_logger.error(stdext::format("Failed to load '%s' (OTB file): %s", file, e.what()));
    }
}

void ThingTypeManager::loadOtb(const std::string& file)
{
    try {
        FileStreamPtr fin = g_resources.openFile(file);

        uint signature = fin->getU32();
        if(signature != 0)
            stdext::throw_exception("invalid otb file");

        BinaryTreePtr root = fin->getBinaryTree();

        signature = root->getU32();
        if(signature != 0)
            stdext::throw_exception("invalid otb file");

        root->skip(4);

        m_otbMajorVersion = root->getU32();
        m_otbMinorVersion = root->getU32();
        root->skip(4);
        root->skip(128); // description

        m_reverseItemTypes.clear();
        m_itemTypes.resize(root->getChildren().size() + 1, m_nullItemType);
        m_reverseItemTypes.resize(root->getChildren().size() + 1, m_nullItemType);

        for(const BinaryTreePtr& node : root->getChildren()) {
            ItemTypePtr itemType(new ItemType);
            itemType->unserialize(node);
            addItemType(itemType);

            uint16 clientId = itemType->getClientId();
            if(unlikely(clientId >= m_reverseItemTypes.size()))
                m_reverseItemTypes.resize(clientId + 1);
            m_reverseItemTypes[clientId] = itemType;
        }

        m_otbLoaded = true;
    } catch(std::exception& e) {
        g_logger.error(stdext::format("Failed to load '%s' (OTB file): %s", file, e.what()));
    }
}

void Map::loadOtbm(const std::string& fileName)
{
    FileStreamPtr fin = g_resources.openFile(fileName);
    if(!fin)
        stdext::throw_exception(stdext::format("Unable to load map '%s'", fileName));

    fin->cache();
    if(!g_things.isOtbLoaded())
        stdext::throw_exception("OTB isn't loaded yet to load a map.");

    if(fin->getU32())
        stdext::throw_exception("Unknown file version detected");

    BinaryTreePtr root = fin->getBinaryTree();
    if(root->getU8())
        stdext::throw_exception("could not read root property!");

    uint32 headerVersion = root->getU32();
    if(!headerVersion || headerVersion > 3)
        stdext::throw_exception(stdext::format("Unknown OTBM version detected: %u.", headerVersion));

    setWidth(root->getU16());
    setHeight(root->getU16());

    uint32 headerMajorItems = root->getU8();
    if(headerMajorItems < 3) {
        stdext::throw_exception(stdext::format("This map needs to be upgraded. read %d what it's supposed to be: %u",
                                               headerMajorItems, g_things.getOtbMajorVersion()));
    }

    if(headerMajorItems > g_things.getOtbMajorVersion()) {
        stdext::throw_exception(stdext::format("This map was saved with different OTB version. read %d what it's supposed to be: %d",
                                               headerMajorItems, g_things.getOtbMajorVersion()));
    }

    root->skip(3);
    uint32 headerMinorItems =  root->getU32();
    if(headerMinorItems > g_things.getOtbMinorVersion()) {
        g_logger.warning(stdext::format("This map needs an updated OTB. read %d what it's supposed to be: %d or less",
                                        headerMinorItems, g_things.getOtbMinorVersion()));
    }

    BinaryTreePtr node = root->getChildren()[0];
    if(node->getU8() != OTBM_MAP_DATA)
        stdext::throw_exception("Could not read root data node");

    while (node->canRead()) {
        uint8 attribute = node->getU8();
        std::string tmp = node->getString();
        switch (attribute) {
        case OTBM_ATTR_DESCRIPTION:
            setDescription(tmp);
            break;
        case OTBM_ATTR_SPAWN_FILE:
            setSpawnFile(fileName.substr(0, fileName.rfind('/') + 1) + tmp);
            break;
        case OTBM_ATTR_HOUSE_FILE:
            setHouseFile(fileName.substr(0, fileName.rfind('/') + 1) + tmp);
            break;
        default:
            stdext::throw_exception(stdext::format("Invalid attribute '%d'", (int)attribute));
        }
    }

    for(const BinaryTreePtr &nodeMapData : node->getChildren()) {
        uint8 mapDataType = nodeMapData->getU8();
        if(mapDataType == OTBM_TILE_AREA) {
            Position basePos = nodeMapData->getPosition();

            for(const BinaryTreePtr &nodeTile : nodeMapData->getChildren()) {
                uint8 type = nodeTile->getU8();
                if(type != OTBM_TILE && type != OTBM_HOUSETILE)
                    stdext::throw_exception(stdext::format("invalid node tile type %d", (int)type));

                HousePtr house = nullptr;
                uint32 flags = TILESTATE_NONE;
                Position pos = basePos + nodeTile->getPoint();

                if(type ==  OTBM_HOUSETILE) {
                    uint32 hId = nodeTile->getU32();
                    TilePtr tile = getOrCreateTile(pos);
                    if(!(house = m_houses.getHouse(hId))) {
                        house = HousePtr(new House(hId));
                        m_houses.addHouse(house);
                    }
                    house->setTile(tile);
                }

                while(nodeTile->canRead()) {
                    uint8 tileAttr = nodeTile->getU8();
                    switch (tileAttr) {
                        case OTBM_ATTR_TILE_FLAGS: {
                            uint32 _flags = nodeTile->getU32();
                            if((_flags & TILESTATE_PROTECTIONZONE) == TILESTATE_PROTECTIONZONE)
                                flags |= TILESTATE_PROTECTIONZONE;
                            else if((_flags & TILESTATE_OPTIONALZONE) == TILESTATE_OPTIONALZONE)
                                flags |= TILESTATE_OPTIONALZONE;
                            else if((_flags & TILESTATE_HARDCOREZONE) == TILESTATE_HARDCOREZONE)
                                flags |= TILESTATE_HARDCOREZONE;

//.........这里部分代码省略.........