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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)
{
for (s16 i = -65536/MAP_BLOCKSIZE/2; i < 65536/MAP_BLOCKSIZE/2; i++) {
m_blocks[i] = nullptr;
}
m_blocks_used = 0;
}
MapSector::~MapSector()
{
deleteBlocks();
free(&m_blocks[-65536/MAP_BLOCKSIZE/2]);
}
void MapSector::deleteBlocks()
{
// Delete all
for (s16 i = -65536/MAP_BLOCKSIZE/2; i < 65536/MAP_BLOCKSIZE/2; i++) {
if (m_blocks[i])
delete m_blocks[i];
}
}
MapBlock * MapSector::getBlockBuffered(s16 y)
{
return m_blocks[y];
}
MapBlock * MapSector::getBlockNoCreateNoEx(s16 y)
{
return (y > -2048 && y < 2047) ? getBlockBuffered(y) : nullptr;
}
MapBlock * MapSector::createBlankBlockNoInsert(s16 y)
{
assert(getBlockBuffered(y) == nullptr); // 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;
m_blocks_used++;
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;
m_blocks_used++;
}
void MapSector::deleteBlock(MapBlock *block)
{
s16 block_y = block->getPos().Y;
// Remove from container
if (m_blocks[block_y]) {
m_blocks_used--;
m_blocks[block_y] = nullptr;
}
// Delete
delete block;
}
void MapSector::getBlocks(MapBlockVect &dest)
{
for (s16 i = -65536/MAP_BLOCKSIZE/2; i < 65536/MAP_BLOCKSIZE/2; i++) {
if (m_blocks[i])
dest.push_back(m_blocks[i]);
}
}
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