minetest/src/database-dummy.cpp
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

60 lines
1.6 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.
*/
/*
Dummy database class
*/
#include "database-dummy.h"
bool Database_Dummy::saveBlock(const v3s16 &pos, const std::string &data)
{
m_database[getBlockAsInteger(pos)] = data;
return true;
}
void Database_Dummy::loadBlock(const v3s16 &pos, std::string *block)
{
s64 i = getBlockAsInteger(pos);
std::map<s64, std::string>::iterator it = m_database.find(i);
if (it == m_database.end()) {
*block = "";
return;
}
*block = it->second;
}
bool Database_Dummy::deleteBlock(const v3s16 &pos)
{
m_database.erase(getBlockAsInteger(pos));
return true;
}
void Database_Dummy::listAllLoadableBlocks(std::vector<v3s16> &dst)
{
dst.reserve(m_database.size());
for (std::map<s64, std::string>::const_iterator x = m_database.begin();
x != m_database.end(); ++x) {
dst.push_back(getIntegerAsBlock(x->first));
}
}