minetest/src/reflowscan.h

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/*
Minetest
Copyright (C) 2016 MillersMan <millersman@users.noreply.github.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.
*/
#ifndef REFLOWSCAN_H
#define REFLOWSCAN_H
#include "util/container.h"
#include "irrlichttypes_bloated.h"
class INodeDefManager;
class Map;
class MapBlock;
class ReflowScan {
public:
ReflowScan(Map *map, INodeDefManager *ndef);
void scan(MapBlock *block, UniqueQueue<v3s16> *liquid_queue);
private:
MapBlock *lookupBlock(int x, int y, int z);
bool isLiquidFlowableTo(int x, int y, int z);
bool isLiquidHorizontallyFlowable(int x, int y, int z);
void scanColumn(int x, int z);
private:
Map *m_map = nullptr;
INodeDefManager *m_ndef = nullptr;
v3s16 m_block_pos, m_rel_block_pos;
UniqueQueue<v3s16> *m_liquid_queue = nullptr;
MapBlock *m_lookup[3 * 3 * 3];
u32 m_lookup_state_bitset;
};
#endif // REFLOWSCAN_H