Method destroy

src/Savegame/Tile.cpp:444–472

* Destroy a part on this tile. We first remove the old object, then replace it with the destroyed one. * This is because the object type of the old and new one are not necessarily the same. * If the destroyed part is an explosive, set the tile's explosive value, which will trigger a chained explosion. * @param part * @return bool Return true objective was destroyed */

 * @return bool Return true objective was destroyed
 */
bool Tile::destroy(int part)
{
	bool _objective = false;
	if (_objects[part])
	{
		if (_objects[part]->isGravLift())
			return false;
		_objective = _objects[part]->getSpecialType() == MUST_DESTROY;
		MapData *originalPart = _objects[part];
		int originalMapDataSetID = _mapDataSetID[part];
		setMapData(0, -1, -1, part);
		if (originalPart->getDieMCD())
		{
			MapData *dead = originalPart->getDataset()->getObjects()->at(originalPart->getDieMCD());
			setMapData(dead, originalPart->getDieMCD(), originalMapDataSetID, dead->getObjectType());
		}
		if (originalPart->getExplosive())
		{
			setExplosive(originalPart->getExplosive());
		}
	}
	/* check if the floor on the lowest level is gone */
	if (part == MapData::O_FLOOR && getPosition().z == 0 && _objects[MapData::O_FLOOR] == 0)
	{
		/* replace with scorched earth */
		setMapData(MapDataSet::getScorchedEarthTile(), 1, 0, MapData::O_FLOOR);
	}
	return _objective;
}

/**
 * damage terrain - check against armor