本文整理汇总了C++中PropWriteStream::clear方法的典型用法代码示例。如果您正苦于以下问题：C++ PropWriteStream::clear方法的具体用法？C++ PropWriteStream::clear怎么用？C++ PropWriteStream::clear使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PropWriteStream的用法示例。
在下文中一共展示了PropWriteStream::clear方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: saveItems
bool IOLoginData::saveItems(const Player* player, const ItemBlockList& itemList, DBInsert& query_insert, PropWriteStream& propWriteStream)
{
std::ostringstream ss;
typedef std::pair<Container*, int32_t> containerBlock;
std::queue<containerBlock> queue;
int32_t parentId = 0;
int32_t runningId = 100;
Database* db = Database::getInstance();
for (const auto& it : itemList) {
int32_t pid = it.first;
Item* item = it.second;
++runningId;
propWriteStream.clear();
item->serializeAttr(propWriteStream);
size_t attributesSize;
const char* attributes = propWriteStream.getStream(attributesSize);
ss << player->getGUID() << ',' << pid << ',' << runningId << ',' << item->getID() << ',' << item->getSubType() << ',' << db->escapeBlob(attributes, attributesSize);
if (!query_insert.addRow(ss)) {
return false;
}
if (Container* container = item->getContainer()) {
queue.emplace(container, runningId);
}
}
while (!queue.empty()) {
const containerBlock& cb = queue.front();
Container* container = cb.first;
parentId = cb.second;
queue.pop();
for (Item* item : container->getItemList()) {
++runningId;
Container* subContainer = item->getContainer();
if (subContainer) {
queue.emplace(subContainer, runningId);
}
propWriteStream.clear();
item->serializeAttr(propWriteStream);
size_t attributesSize;
const char* attributes = propWriteStream.getStream(attributesSize);
ss << player->getGUID() << ',' << parentId << ',' << runningId << ',' << item->getID() << ',' << item->getSubType() << ',' << db->escapeBlob(attributes, attributesSize);
if (!query_insert.addRow(ss)) {
return false;
}
}
}
return query_insert.execute();
}示例2: saveMap
bool IOMapSerialize::saveMap()
{
int64_t start = OTSYS_TIME();
Database* db = Database::getInstance();
std::ostringstream query;
//Start the transaction
DBTransaction transaction;
if (!transaction.begin()) {
return false;
}
//clear old tile data
if (!db->executeQuery("DELETE FROM `tile_store`")) {
return false;
}
DBInsert stmt;
stmt.setQuery("INSERT INTO `tile_store` (`house_id`, `data`) VALUES ");
PropWriteStream stream;
for (const auto& it : Houses::getInstance().getHouses()) {
//save house items
House* house = it.second;
for (HouseTile* tile : house->getTiles()) {
saveTile(stream, tile);
size_t attributesSize;
const char* attributes = stream.getStream(attributesSize);
if (attributesSize > 0) {
query << house->getId() << ',' << db->escapeBlob(attributes, attributesSize);
if (!stmt.addRow(query)) {
return false;
}
}
stream.clear();
}
}
if (!stmt.execute()) {
return false;
}
//End the transaction
bool success = transaction.commit();
std::cout << "> Saved house items in: " <<
(OTSYS_TIME() - start) / (1000.) << " s" << std::endl;
return success;
}