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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.
- */
- #include "mapsector.h"
- #include "exceptions.h"
- #include "mapblock.h"
- #include "serialization.h"
- MapSector::MapSector(Map *parent, v2s16 pos, IGameDef *gamedef):
- m_parent(parent),
- m_pos(pos),
- m_gamedef(gamedef)
- {
- }
- MapSector::~MapSector()
- {
- deleteBlocks();
- }
- void MapSector::deleteBlocks()
- {
- // Clear cache
- m_block_cache = nullptr;
- // Delete all
- for (auto &block : m_blocks) {
- delete block.second;
- }
- // Clear container
- m_blocks.clear();
- }
- MapBlock * MapSector::getBlockBuffered(s16 y)
- {
- MapBlock *block;
- if (m_block_cache && y == m_block_cache_y) {
- return m_block_cache;
- }
- // If block doesn't exist, return NULL
- std::unordered_map<s16, MapBlock*>::const_iterator n = m_blocks.find(y);
- block = (n != m_blocks.end() ? n->second : nullptr);
- // Cache the last result
- m_block_cache_y = y;
- m_block_cache = block;
- return block;
- }
- MapBlock * MapSector::getBlockNoCreateNoEx(s16 y)
- {
- return getBlockBuffered(y);
- }
- MapBlock * MapSector::createBlankBlockNoInsert(s16 y)
- {
- assert(getBlockBuffered(y) == NULL); // Pre-condition
- v3s16 blockpos_map(m_pos.X, y, m_pos.Y);
- MapBlock *block = new MapBlock(m_parent, blockpos_map, m_gamedef);
- return block;
- }
- MapBlock * MapSector::createBlankBlock(s16 y)
- {
- MapBlock *block = createBlankBlockNoInsert(y);
- m_blocks[y] = block;
- return block;
- }
- void MapSector::insertBlock(MapBlock *block)
- {
- s16 block_y = block->getPos().Y;
- MapBlock *block2 = getBlockBuffered(block_y);
- if (block2) {
- throw AlreadyExistsException("Block already exists");
- }
- v2s16 p2d(block->getPos().X, block->getPos().Z);
- assert(p2d == m_pos);
- // Insert into container
- m_blocks[block_y] = block;
- }
- void MapSector::deleteBlock(MapBlock *block)
- {
- s16 block_y = block->getPos().Y;
- // Clear from cache
- m_block_cache = nullptr;
- // Remove from container
- m_blocks.erase(block_y);
- // Delete
- delete block;
- }
- void MapSector::getBlocks(MapBlockVect &dest)
- {
- for (auto &block : m_blocks) {
- dest.push_back(block.second);
- }
- }
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