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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();
- void deleteBlocks();
- v2s16 getPos() const
- {
- return m_pos;
- }
- MapBlock *getBlockNoCreateNoEx(s16 y);
- std::unique_ptr<MapBlock> createBlankBlockNoInsert(s16 y);
- MapBlock *createBlankBlock(s16 y);
- void insertBlock(std::unique_ptr<MapBlock> block);
- void deleteBlock(MapBlock *block);
- // Remove a block from the map and the sector without deleting it
- // Returns an owning ptr to block.
- std::unique_ptr<MapBlock> detachBlock(MapBlock *block);
- // This makes a copy of the internal collection.
- // Prefer getBlocks() if possible.
- void getBlocks(MapBlockVect &dest);
- // Get access to the internal collection
- // This is explicitly only allowed on a const object since modifying anything while iterating is unsafe.
- // The caller needs to make sure that this does not happen.
- const auto &getBlocks() const { return m_blocks; }
- const auto &getBlocks() = delete;
- bool empty() const { return m_blocks.empty(); }
- int size() const { return m_blocks.size(); }
- protected:
- // The pile of MapBlocks
- std::unordered_map<s16, std::unique_ptr<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);
- };
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