message: Rename _structure to structure
diff: @@ -90,22 +90,22 @@ bool checkTubeConnection(Tile& tile, Direction dir, ConnectorDir sourceConnector
  */
  bool checkStructurePlacement(Tile& tile, Direction dir)
  {
  - Structure* _structure = tile.structure();
  - if (tile.mine() || !tile.bulldozed() || !tile.excavated() || !tile.thingIsStructure() || !tile.connected() || !_structure->isConnector())
  + Structure* structure = tile.structure();
  + if (tile.mine() || !tile.bulldozed() || !tile.excavated() || !tile.thingIsStructure() || !tile.connected() || !structure->isConnector())
  {
  return false;
  }
  if (dir == Direction::East || dir == Direction::West)
  {
  - if (_structure->connectorDirection() == ConnectorDir::CONNECTOR_INTERSECTION || _structure->connectorDirection() == ConnectorDir::CONNECTOR_RIGHT || _structure->connectorDirection() == ConnectorDir::CONNECTOR_VERTICAL)
  + if (structure->connectorDirection() == ConnectorDir::CONNECTOR_INTERSECTION || structure->connectorDirection() == ConnectorDir::CONNECTOR_RIGHT || structure->connectorDirection() == ConnectorDir::CONNECTOR_VERTICAL)
  {
  return true;
  }
  }
  else // NORTH/SOUTH
  {
  - if (_structure->connectorDirection() == ConnectorDir::CONNECTOR_INTERSECTION || _structure->connectorDirection() == ConnectorDir::CONNECTOR_LEFT || _structure->connectorDirection() == ConnectorDir::CONNECTOR_VERTICAL)
  + if (structure->connectorDirection() == ConnectorDir::CONNECTOR_INTERSECTION || structure->connectorDirection() == ConnectorDir::CONNECTOR_LEFT || structure->connectorDirection() == ConnectorDir::CONNECTOR_VERTICAL)
  {
  return true;
  }
  