Extracted the CDB bank handling code into a new class CCDBBankHandler, the CDB system should be now totally independent of Ryzom.
--HG-- branch : cdb-refactoringhg/feature/sse2
dfighter1985
13 years ago
parent
17eab4ef52
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decc92e75d
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// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef CDB_BANK_HANDLER
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#define CDB_BANK_HANDLER
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#include <vector>
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#include "nel/misc/types_nl.h"
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namespace NLMISC{
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class CCDBBankHandler{
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public:
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CCDBBankHandler( uint maxbanks );
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~CCDBBankHandler(){}
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uint getUIDForBank( uint bank ) const;
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uint getBankForUID( uint uid ) const{ return _UnifiedIndexToBank[ uid ]; }
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uint getLastUnifiedIndex() const{ return _CDBLastUnifiedIndex; }
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uint getFirstLevelIdBits( uint bank ) const{ return _FirstLevelIdBitsByBank[ bank ]; }
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std::string getBankName( uint bank ) const{ return _CDBBankNames[ bank ]; }
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uint getBankByName( const std::string &name ) const;
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void mapNodeByBank( const std::string &bankName );
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void fillBankNames( const char **strings, uint size );
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void resetNodeBankMapping(){ _UnifiedIndexToBank.clear(); }
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void reset();
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uint getUnifiedIndexToBankSize() const{ return _UnifiedIndexToBank.size(); }
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void calcIdBitsByBank();
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uint getServerToClientUIDMapping( uint bank, uint index ) const{ return _CDBBankToUnifiedIndexMapping[ bank ][ index ]; }
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private:
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/// Mapping from server database index to client database index (first-level nodes)
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std::vector< std::vector< uint > > _CDBBankToUnifiedIndexMapping;
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/// Mapping from client database index to bank IDs (first-level nodes)
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std::vector< uint > _UnifiedIndexToBank;
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/// Last index mapped
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uint _CDBLastUnifiedIndex;
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/// Number of bits for first-level branches, by bank
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std::vector< uint > _FirstLevelIdBitsByBank;
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/// Names of the CDB banks
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std::vector< std::string > _CDBBankNames;
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uint maxBanks;
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};
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}
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#endif
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@ -0,0 +1,96 @@
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// Ryzom - MMORPG Framework <http://dev.ryzom.com/projects/ryzom/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "nel/misc/cdb_bank_handler.h"
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namespace NLMISC{
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CCDBBankHandler::CCDBBankHandler(uint maxbanks) :
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_CDBBankToUnifiedIndexMapping( maxbanks, std::vector< uint >() ),
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_FirstLevelIdBitsByBank( maxbanks )
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{
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std::fill( _FirstLevelIdBitsByBank.begin(), _FirstLevelIdBitsByBank.end(), 0 );
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maxBanks = maxbanks;
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}
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uint CCDBBankHandler::getUIDForBank( uint bank ) const
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{
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uint uid = static_cast< uint >( -1 );
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for( uint i = 0; i < _UnifiedIndexToBank.size(); i++ )
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if( _UnifiedIndexToBank[ i ] == bank )
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return i;
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return uid;
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}
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uint CCDBBankHandler::getBankByName( const std::string &name ) const
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{
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uint b = static_cast< uint >( -1 );
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for( uint i = 0; i < _CDBBankNames.size(); i++ )
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if( _CDBBankNames[ i ].compare( name ) == 0 )
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return i;
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return b;
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}
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void CCDBBankHandler::mapNodeByBank( const std::string &bankName )
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{
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uint b = getBankByName( bankName );
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// no such bank
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if( b == static_cast< uint >( -1 ) )
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return;
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_CDBBankToUnifiedIndexMapping[ b ].push_back( _CDBLastUnifiedIndex );
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++_CDBLastUnifiedIndex;
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_UnifiedIndexToBank.push_back( b );
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}
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void CCDBBankHandler::fillBankNames( const char **strings, uint size )
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{
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_CDBBankNames.clear();
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for( uint i = 0; i < size; i++ )
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_CDBBankNames.push_back( std::string( strings[ i ] ) );
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}
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void CCDBBankHandler::reset()
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{
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for( std::vector< std::vector< uint > >::iterator itr =_CDBBankToUnifiedIndexMapping.begin();
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itr != _CDBBankToUnifiedIndexMapping.end(); ++itr )
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itr->clear();
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_UnifiedIndexToBank.clear();
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_CDBLastUnifiedIndex = 0;
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}
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void CCDBBankHandler::calcIdBitsByBank()
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{
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for( uint bank = 0; bank != maxBanks; bank++ )
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{
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uint nbNodesOfBank = static_cast< uint >( _CDBBankToUnifiedIndexMapping[ bank ].size() );
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uint idb = 0;
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if ( nbNodesOfBank > 0 )
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for ( idb = 1; nbNodesOfBank > unsigned( 1 << idb ) ; idb++ )
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;
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_FirstLevelIdBitsByBank[ bank ] = idb;
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}
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}
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}
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