Method closeUfoDoors

src/Battlescape/TileEngine.cpp:1983–2006

* Closes ufo doors. * @return Whether doors are closed. */

 * @return Whether doors are closed.
 */
int TileEngine::closeUfoDoors()
{
	int doorsclosed = 0;

	// prepare a list of tiles on fire/smoke & close any ufo doors
	for (int i = 0; i < _save->getMapSizeXYZ(); ++i)
	{
		if (_save->getTiles()[i]->getUnit() && _save->getTiles()[i]->getUnit()->getArmor()->getSize() > 1)
		{
			BattleUnit *bu = _save->getTiles()[i]->getUnit();
			Tile *tile = _save->getTiles()[i];
			Tile *oneTileNorth = _save->getTile(tile->getPosition() + Position(0, -1, 0));
			Tile *oneTileWest = _save->getTile(tile->getPosition() + Position(-1, 0, 0));
			if ((tile->isUfoDoorOpen(MapData::O_NORTHWALL) && oneTileNorth && oneTileNorth->getUnit() && oneTileNorth->getUnit() == bu) ||
				(tile->isUfoDoorOpen(MapData::O_WESTWALL) && oneTileWest && oneTileWest->getUnit() && oneTileWest->getUnit() == bu))
			{
				continue;
			}
		}
		doorsclosed += _save->getTiles()[i]->closeUfoDoor();
	}

	return doorsclosed;
}

/**
 * Calculates a line trajectory, using bresenham algorithm in 3D.