void Migration::Impl::createMigrationFromCity( PlayerCityPtr city )
{
HouseList houses = city->statistic().houses.find();
const int minWorkersNumber = 4;
for( HouseList::iterator i=houses.begin(); i != houses.end(); )
{
int houseWorkless = (*i)->unemployed();
if( !(*i)->enterArea().empty() && houseWorkless > minWorkersNumber ) { ++i; }
else { i = houses.erase( i ); }
}
if( !houses.empty() )
{
int number = math::random( houses.size() );
HouseList randHouses = houses.random( number );
for( auto house : randHouses )
{
ImmigrantPtr emigrant = Immigrant::create( city );
if( emigrant.isValid() )
{
house->removeHabitants( minWorkersNumber );
emigrant->leaveCity( *(house->enterArea().front()) );
emigrant->setThinks( "##immigrant_no_work_for_me##" );
}
}
}
}
HousePtr Emigrant::_findBlankHouse()
{
city::Helper hlp( _city() );
HousePtr blankHouse;
TilePos offset( 5, 5 );
HouseList houses = hlp.find<House>( building::house, pos() - offset, pos() + offset );
_checkHouses( houses );
if( houses.empty() )
{
houses = hlp.find<House>( building::house );
_checkHouses( houses );
}
if( houses.size() > 0 )
{
blankHouse = houses.random();
}
return blankHouse;
}