C++ PropStream::readString方法代码示例

bool IOMap::parseMapDataAttributes(OTB::Loader& loader, const OTB::Node& mapNode, Map& map, const std::string& fileName)
{
	PropStream propStream;
	if (!loader.getProps(mapNode, propStream)) {
		setLastErrorString("Could not read map data attributes.");
		return false;
	}

	std::string mapDescription;
	std::string tmp;

	uint8_t attribute;
	while (propStream.read<uint8_t>(attribute)) {
		switch (attribute) {
			case OTBM_ATTR_DESCRIPTION:
				if (!propStream.readString(mapDescription)) {
					setLastErrorString("Invalid description tag.");
					return false;
				}
				break;

			case OTBM_ATTR_EXT_SPAWN_FILE:
				if (!propStream.readString(tmp)) {
					setLastErrorString("Invalid spawn tag.");
					return false;
				}

				map.spawnfile = fileName.substr(0, fileName.rfind('/') + 1);
				map.spawnfile += tmp;
				break;

			case OTBM_ATTR_EXT_HOUSE_FILE:
				if (!propStream.readString(tmp)) {
					setLastErrorString("Invalid house tag.");
					return false;
				}

				map.housefile = fileName.substr(0, fileName.rfind('/') + 1);
				map.housefile += tmp;
				break;

			default:
				setLastErrorString("Unknown header node.");
				return false;
		}
	}
	return true;
}

bool IOMap::parseWaypoints(OTB::Loader& loader, const OTB::Node& waypointsNode, Map& map)
{
	PropStream propStream;
	for (auto& node : waypointsNode.children) {
		if (node.type != OTBM_WAYPOINT) {
			setLastErrorString("Unknown waypoint node.");
			return false;
		}

		if (!loader.getProps(node, propStream)) {
			setLastErrorString("Could not read waypoint data.");
			return false;
		}

		std::string name;
		if (!propStream.readString(name)) {
			setLastErrorString("Could not read waypoint name.");
			return false;
		}

		OTBM_Destination_coords waypoint_coords;
		if (!propStream.read(waypoint_coords)) {
			setLastErrorString("Could not read waypoint coordinates.");
			return false;
		}

		map.waypoints[name] = Position(waypoint_coords.x, waypoint_coords.y, waypoint_coords.z);
	}
	return true;
}

bool IOMap::parseTowns(OTB::Loader& loader, const OTB::Node& townsNode, Map& map)
{
	for (auto& townNode : townsNode.children) {
		PropStream propStream;
		if (townNode.type != OTBM_TOWN) {
			setLastErrorString("Unknown town node.");
			return false;
		}

		if (!loader.getProps(townNode, propStream)) {
			setLastErrorString("Could not read town data.");
			return false;
		}

		uint32_t townId;
		if (!propStream.read<uint32_t>(townId)) {
			setLastErrorString("Could not read town id.");
			return false;
		}

		Town* town = map.towns.getTown(townId);
		if (!town) {
			town = new Town(townId);
			map.towns.addTown(townId, town);
		}

		std::string townName;
		if (!propStream.readString(townName)) {
			setLastErrorString("Could not read town name.");
			return false;
		}

		town->setName(townName);

		OTBM_Destination_coords town_coords;
		if (!propStream.read(town_coords)) {
			setLastErrorString("Could not read town coordinates.");
			return false;
		}

		town->setTemplePos(Position(town_coords.x, town_coords.y, town_coords.z));
	}
	return true;
}

bool IOMap::loadMap(Map* map, const std::string& identifier)
{
	int64_t start = OTSYS_TIME();

	FileLoader f;
	if (!f.openFile(identifier.c_str(), "OTBM")) {
		std::ostringstream ss;
		ss << "Could not open the file " << identifier << '.';
		setLastErrorString(ss.str());
		return false;
	}

	uint32_t type;
	PropStream propStream;

	NODE root = f.getChildNode(nullptr, type);
	if (!f.getProps(root, propStream)) {
		setLastErrorString("Could not read root property.");
		return false;
	}

	const OTBM_root_header* root_header;
	if (!propStream.readStruct(root_header)) {
		setLastErrorString("Could not read header.");
		return false;
	}

	uint32_t headerVersion = root_header->version;
	if (headerVersion <= 0) {
		//In otbm version 1 the count variable after splashes/fluidcontainers and stackables
		//are saved as attributes instead, this solves alot of problems with items
		//that is changed (stackable/charges/fluidcontainer/splash) during an update.
		setLastErrorString("This map need to be upgraded by using the latest map editor version to be able to load correctly.");
		return false;
	}

	if (headerVersion > 2) {
		setLastErrorString("Unknown OTBM version detected.");
		return false;
	}

	if (root_header->majorVersionItems < 3) {
		setLastErrorString("This map need to be upgraded by using the latest map editor version to be able to load correctly.");
		return false;
	}

	if (root_header->majorVersionItems > Items::dwMajorVersion) {
		setLastErrorString("The map was saved with a different items.otb version, an upgraded items.otb is required.");
		return false;
	}

	if (root_header->minorVersionItems < CLIENT_VERSION_810) {
		setLastErrorString("This map needs to be updated.");
		return false;
	}

	if (root_header->minorVersionItems > Items::dwMinorVersion) {
		std::cout << "[Warning - IOMap::loadMap] This map needs an updated items.otb." << std::endl;
	}

	std::cout << "> Map size: " << root_header->width << "x" << root_header->height << '.' << std::endl;
	map->width = root_header->width;
	map->height = root_header->height;

	NODE nodeMap = f.getChildNode(root, type);
	if (type != OTBM_MAP_DATA) {
		setLastErrorString("Could not read data node.");
		return false;
	}

	if (!f.getProps(nodeMap, propStream)) {
		setLastErrorString("Could not read map data attributes.");
		return false;
	}

	std::string mapDescription;
	std::string tmp;

	uint8_t attribute;
	while (propStream.read<uint8_t>(attribute)) {
		switch (attribute) {
			case OTBM_ATTR_DESCRIPTION:
				if (!propStream.readString(mapDescription)) {
					setLastErrorString("Invalid description tag.");
					return false;
				}
				break;

			case OTBM_ATTR_EXT_SPAWN_FILE:
				if (!propStream.readString(tmp)) {
					setLastErrorString("Invalid spawn tag.");
					return false;
				}

				map->spawnfile = identifier.substr(0, identifier.rfind('/') + 1);
				map->spawnfile += tmp;
				break;

			case OTBM_ATTR_EXT_HOUSE_FILE:
				if (!propStream.readString(tmp)) {
//.........这里部分代码省略.........