/*
Minetest-c55
Copyright (C) 2010-2011 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.
*/
#include "map.h"
#include "mapsector.h"
#include "mapblock.h"
#include "main.h"
#include "filesys.h"
#include "voxel.h"
#include "porting.h"
#include "mapgen.h"
#include "nodemetadata.h"
#include "settings.h"
#include "log.h"
#include "profiler.h"
#include "nodedef.h"
#include "gamedef.h"
#include "util/directiontables.h"
#define PP(x) "("<<(x).X<<","<<(x).Y<<","<<(x).Z<<")"
/*
SQLite format specification:
- Initially only replaces sectors/ and sectors2/
If map.sqlite does not exist in the save dir
or the block was not found in the database
the map will try to load from sectors folder.
In either case, map.sqlite will be created
and all future saves will save there.
Structure of map.sqlite:
Tables:
blocks
(PK) INT pos
BLOB data
*/
/*
Map
*/
Map::Map(std::ostream &dout, IGameDef *gamedef):
m_dout(dout),
m_gamedef(gamedef),
m_sector_cache(NULL)
{
/*m_sector_mutex.Init();
assert(m_sector_mutex.IsInitialized());*/
}
Map::~Map()
{
/*
Free all MapSectors
*/
core::map<v2s16, MapSector*>::Iterator i = m_sectors.getIterator();
for(; i.atEnd() == false; i++)
{
MapSector *sector = i.getNode()->getValue();
delete sector;
}
}
void Map::addEventReceiver(MapEventReceiver *event_receiver)
{
m_event_receivers.insert(event_receiver, false);
}
void Map::removeEventReceiver(MapEventReceiver *event_receiver)
{
if(m_event_receivers.find(event_receiver) == NULL)
return;
m_event_receivers.remove(event_receiver);
}
void Map::dispatchEvent(MapEditEvent *event)
{
for(core::map<MapEventReceiver*, bool>::Iterator
i = m_event_receivers.getIterator();
i.atEnd()==false; i++)
{
MapEventReceiver* event_receiver = i.getNode()->getKey();
event_receiver->onMapEditEvent(event);
}
}
MapSector * Map::getSectorNoGenerateNoExNoLock(v2s16 p)
{
if(m_sector_cache != NULL && p == m_sector_cache_p){
MapSector * sector = m_sector_cache;
return sector;
}
core::map<v2s16, MapSector*>::Node *n = m_sectors.find(p);
if(n == NULL)
return NULL;
MapSector *sector = n->getValue();
// Cache the last result
m_sector_cache_p = p;
m_sector_cache = sector;
return sector;
}
MapSector * Map::getSectorNoGenerateNoEx(v2s16 p)
{
return getSectorNoGenerateNoExNoLock(p);
}
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