diff options
| -rw-r--r-- | src/database-sqlite3.cpp | 181 |
1 files changed, 96 insertions, 85 deletions
diff --git a/src/database-sqlite3.cpp b/src/database-sqlite3.cpp index 9714d1035..b86f0806f 100644 --- a/src/database-sqlite3.cpp +++ b/src/database-sqlite3.cpp @@ -208,93 +208,104 @@ void Database_SQLite3::saveBlock(MapBlock *block) MapBlock* Database_SQLite3::loadBlock(v3s16 blockpos) { v2s16 p2d(blockpos.X, blockpos.Z); - verifyDatabase(); - - if(sqlite3_bind_int64(m_database_read, 1, getBlockAsInteger(blockpos)) != SQLITE_OK) - infostream<<"WARNING: Could not bind block position for load: " - <<sqlite3_errmsg(m_database)<<std::endl; - if(sqlite3_step(m_database_read) == SQLITE_ROW) { - /* - Make sure sector is loaded - */ - MapSector *sector = srvmap->createSector(p2d); - - /* - Load block - */ - const char * data = (const char *)sqlite3_column_blob(m_database_read, 0); - size_t len = sqlite3_column_bytes(m_database_read, 0); - - std::string datastr(data, len); - -// srvmap->loadBlock(&datastr, blockpos, sector, false); + verifyDatabase(); + + if (sqlite3_bind_int64(m_database_read, 1, getBlockAsInteger(blockpos)) != SQLITE_OK) { + infostream << "WARNING: Could not bind block position for load: " + << sqlite3_errmsg(m_database)<<std::endl; + } + + if (sqlite3_step(m_database_read) == SQLITE_ROW) { + /* + Make sure sector is loaded + */ + MapSector *sector = srvmap->createSector(p2d); + + /* + Load block + */ + const char *data = (const char *)sqlite3_column_blob(m_database_read, 0); + size_t len = sqlite3_column_bytes(m_database_read, 0); + if (data == NULL || len == 0) { + errorstream << "Blank block data in database (data == NULL || len" + " == 0) (" << blockpos.X << "," << blockpos.Y << "," + << blockpos.Z << ")" << std::endl; + + if (g_settings->getBool("ignore_world_load_errors")) { + errorstream << "Ignoring block load error. Duck and cover! " + << "(ignore_world_load_errors)" << std::endl; + } else { + throw SerializationError("Blank block data in database"); + } + } + + std::string datastr(data, len); + + //srvmap->loadBlock(&datastr, blockpos, sector, false); try { - std::istringstream is(datastr, std::ios_base::binary); - - u8 version = SER_FMT_VER_INVALID; - is.read((char*)&version, 1); - - if(is.fail()) - throw SerializationError("ServerMap::loadBlock(): Failed" - " to read MapBlock version"); - - MapBlock *block = NULL; - bool created_new = false; - block = sector->getBlockNoCreateNoEx(blockpos.Y); - if(block == NULL) - { - block = sector->createBlankBlockNoInsert(blockpos.Y); - created_new = true; - } - - // Read basic data - block->deSerialize(is, version, true); - - // If it's a new block, insert it to the map - if(created_new) - sector->insertBlock(block); - - /* - Save blocks loaded in old format in new format - */ - - //if(version < SER_FMT_VER_HIGHEST || save_after_load) - // Only save if asked to; no need to update version - //if(save_after_load) - // saveBlock(block); - - // We just loaded it from, so it's up-to-date. - block->resetModified(); - - } - catch(SerializationError &e) - { - errorstream<<"Invalid block data in database" - <<" ("<<blockpos.X<<","<<blockpos.Y<<","<<blockpos.Z<<")" - <<" (SerializationError): "<<e.what()<<std::endl; - - // TODO: Block should be marked as invalid in memory so that it is - // not touched but the game can run - - if(g_settings->getBool("ignore_world_load_errors")){ - errorstream<<"Ignoring block load error. Duck and cover! " - <<"(ignore_world_load_errors)"<<std::endl; - } else { - throw SerializationError("Invalid block data in database"); - //assert(0); - } - } - - - sqlite3_step(m_database_read); - // We should never get more than 1 row, so ok to reset - sqlite3_reset(m_database_read); - - return srvmap->getBlockNoCreateNoEx(blockpos); // should not be using this here - } - sqlite3_reset(m_database_read); - return(NULL); + std::istringstream is(datastr, std::ios_base::binary); + + u8 version = SER_FMT_VER_INVALID; + is.read((char*)&version, 1); + + if (is.fail()) + throw SerializationError("ServerMap::loadBlock(): Failed" + " to read MapBlock version"); + + MapBlock *block = NULL; + bool created_new = false; + block = sector->getBlockNoCreateNoEx(blockpos.Y); + if (block == NULL) + { + block = sector->createBlankBlockNoInsert(blockpos.Y); + created_new = true; + } + + // Read basic data + block->deSerialize(is, version, true); + + // If it's a new block, insert it to the map + if (created_new) + sector->insertBlock(block); + + /* + Save blocks loaded in old format in new format + */ + //if(version < SER_FMT_VER_HIGHEST || save_after_load) + // Only save if asked to; no need to update version + //if(save_after_load) + // saveBlock(block); + + // We just loaded it from, so it's up-to-date. + block->resetModified(); + } + catch(SerializationError &e) + { + errorstream << "Invalid block data in database" + << " (" << blockpos.X << "," << blockpos.Y << "," << blockpos.Z << ")" + << " (SerializationError): " << e.what() << std::endl; + + // TODO: Block should be marked as invalid in memory so that it is + // not touched but the game can run + + if (g_settings->getBool("ignore_world_load_errors")) { + errorstream << "Ignoring block load error. Duck and cover! " + << "(ignore_world_load_errors)" << std::endl; + } else { + throw SerializationError("Invalid block data in database"); + //assert(0); + } + } + + sqlite3_step(m_database_read); + // We should never get more than 1 row, so ok to reset + sqlite3_reset(m_database_read); + + return srvmap->getBlockNoCreateNoEx(blockpos); // should not be using this here + } + sqlite3_reset(m_database_read); + return NULL; } void Database_SQLite3::createDatabase() |