bool LowBridge::canBuild(PlayerCityPtr city, TilePos pos, const TilesArray& ) const { //bool is_constructible = Construction::canBuild( pos ); TilePos endPos, startPos; _d->direction=noneDirection; TileOverlayPtr bridge = city->getOverlay( pos ); if( bridge.isNull() ) { _d->subtiles.clear(); LowBridge* thisp = const_cast< LowBridge* >( this ); thisp->_fgPicturesRef().clear(); _checkParams( city, _d->direction, startPos, endPos, pos ); if( _d->direction != noneDirection ) { thisp->_computePictures( city, startPos, endPos, _d->direction ); } } return (_d->direction != noneDirection); }