51 lines
1.2 KiB
C++
51 lines
1.2 KiB
C++
#ifndef _DB_SQLITE3_H
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#define _DB_SQLITE3_H
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#include "db.h"
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#include <sqlite3.h>
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#if __cplusplus >= 201103L
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#include <unordered_map>
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#else
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#include <map>
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#endif
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#include <string>
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#include <sstream>
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#include "types.h"
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class DBSQLite3 : public DB {
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#if __cplusplus >= 201103L
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typedef std::unordered_map<int64_t, ustring> BlockCache;
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#else
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typedef std::map<int64_t, ustring> BlockCache;
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#endif
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public:
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bool cacheWorldRow;
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DBSQLite3(const std::string &mapdir);
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virtual int getBlocksUnCachedCount(void);
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virtual int getBlocksCachedCount(void);
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virtual int getBlocksReadCount(void);
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virtual const BlockPosList &getBlockPos();
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virtual Block getBlockOnPos(const BlockPos &pos);
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~DBSQLite3();
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private:
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int m_blocksReadCount;
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int m_blocksCachedCount;
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int m_blocksUnCachedCount;
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sqlite3 *m_db;
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sqlite3_stmt *m_blockPosListStatement;
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sqlite3_stmt *m_blocksOnZStatement;
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sqlite3_stmt *m_blockOnPosStatement;
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std::ostringstream m_getBlockSetStatementBlocks;
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BlockCache m_blockCache;
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BlockPosList m_BlockPosList;
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void prepareBlocksOnZStatement(void);
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void prepareBlockOnPosStatement(void);
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void cacheBlocksOnZRaw(int zPos);
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Block getBlockOnPosRaw(const BlockPos &pos);
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void cacheBlocks(sqlite3_stmt *SQLstatement);
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};
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#endif // _DB_SQLITE3_H
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