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/*
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.
*/
#pragma once
#include "irrlichttypes.h"
#include "irr_v2d.h"
#include "mapblock.h"
#include <ostream>
#include <map>
#include <vector>
class Map;
class IGameDef;
/*
This is an Y-wise stack of MapBlocks.
*/
#define MAPSECTOR_SERVER 0
#define MAPSECTOR_CLIENT 1
class MapSector
{
public:
MapSector(Map *parent, v2s16 pos, IGameDef *gamedef);
virtual ~MapSector();
virtual u32 getId() const = 0;
void deleteBlocks();
v2s16 getPos()
{
return m_pos;
}
MapBlock * getBlockNoCreateNoEx(s16 y);
MapBlock * createBlankBlockNoInsert(s16 y);
MapBlock * createBlankBlock(s16 y);
void insertBlock(MapBlock *block);
void deleteBlock(MapBlock *block);
void getBlocks(MapBlockVect &dest);
bool empty() const { return m_blocks.empty(); }
// Always false at the moment, because sector contains no metadata.
bool differs_from_disk = false;
protected:
// The pile of MapBlocks
std::unordered_map<s16, MapBlock*> m_blocks;
Map *m_parent;
// Position on parent (in MapBlock widths)
v2s16 m_pos;
IGameDef *m_gamedef;
// Last-used block is cached here for quicker access.
// Be sure to set this to nullptr when the cached block is deleted
MapBlock *m_block_cache = nullptr;
s16 m_block_cache_y;
/*
Private methods
*/
MapBlock *getBlockBuffered(s16 y);
};
class ServerMapSector : public MapSector
{
public:
ServerMapSector(Map *parent, v2s16 pos, IGameDef *gamedef);
~ServerMapSector();
u32 getId() const
{
return MAPSECTOR_SERVER;
}
/*
These functions handle metadata.
They do not handle blocks.
*/
void serialize(std::ostream &os, u8 version);
static ServerMapSector* deSerialize(
std::istream &is,
Map *parent,
v2s16 p2d,
std::map<v2s16, MapSector*> & sectors,
IGameDef *gamedef
);
private:
};
#ifndef SERVER
class ClientMapSector : public MapSector
{
public:
ClientMapSector(Map *parent, v2s16 pos, IGameDef *gamedef);
~ClientMapSector();
u32 getId() const
{
return MAPSECTOR_CLIENT;
}
private:
};
#endif
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