minetest/src/database.h
Loic Blot 143401451c DB::loadBlock copy removal & DB backend cleanup
* Remove the copy from db::loadBlock by using a pointer to the destination
* cleanup db backend, the child backend doesn't have to set their functions as virtual
2016-05-17 06:52:16 +02:00

54 lines
1.5 KiB
C++

/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef DATABASE_HEADER
#define DATABASE_HEADER
#include <vector>
#include <string>
#include "irr_v3d.h"
#include "irrlichttypes.h"
#ifndef PP
#define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
#endif
class Database
{
public:
virtual ~Database() {}
virtual void beginSave() {}
virtual void endSave() {}
virtual bool saveBlock(const v3s16 &pos, const std::string &data) = 0;
virtual void loadBlock(const v3s16 &pos, std::string *block) = 0;
virtual bool deleteBlock(const v3s16 &pos) = 0;
static s64 getBlockAsInteger(const v3s16 &pos);
static v3s16 getIntegerAsBlock(s64 i);
virtual void listAllLoadableBlocks(std::vector<v3s16> &dst) = 0;
virtual bool initialized() const { return true; }
};
#endif