3 Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 #include "irrlichttypes.h"
33 This is an Y-wise stack of MapBlocks.
36 #define MAPSECTOR_SERVER 0
37 #define MAPSECTOR_CLIENT 1
43 MapSector(Map *parent, v2s16 pos, IGameDef *gamedef);
46 virtual u32 getId() const = 0;
55 MapBlock * getBlockNoCreateNoEx(s16 y);
56 MapBlock * createBlankBlockNoInsert(s16 y);
57 MapBlock * createBlankBlock(s16 y);
59 void insertBlock(MapBlock *block);
61 void deleteBlock(MapBlock *block);
63 void getBlocks(MapBlockVect &dest);
65 bool empty() const { return m_blocks.empty(); }
67 // Always false at the moment, because sector contains no metadata.
68 bool differs_from_disk = false;
72 // The pile of MapBlocks
73 std::unordered_map<s16, MapBlock*> m_blocks;
76 // Position on parent (in MapBlock widths)
81 // Last-used block is cached here for quicker access.
82 // Be sure to set this to nullptr when the cached block is deleted
83 MapBlock *m_block_cache = nullptr;
89 MapBlock *getBlockBuffered(s16 y);
93 class ServerMapSector : public MapSector
96 ServerMapSector(Map *parent, v2s16 pos, IGameDef *gamedef);
97 ~ServerMapSector() = default;
101 return MAPSECTOR_SERVER;
105 These functions handle metadata.
106 They do not handle blocks.
109 void serialize(std::ostream &os, u8 version);
111 static ServerMapSector* deSerialize(
115 std::map<v2s16, MapSector*> & sectors,
123 class ClientMapSector : public MapSector
126 ClientMapSector(Map *parent, v2s16 pos, IGameDef *gamedef);
127 ~ClientMapSector() = default;
131 return MAPSECTOR_CLIENT;