void CartSupplier::computeWalkerDestination(BuildingPtr building, const Good::Type type, const int qty )
{
_d->baseBuildingPos = building->getTilePos();
_d->storageBuildingPos = TilePos( -1, -1 ); // no destination yet
// we have something to buy!
// get the list of buildings within reach
PathWay pathWay;
Propagator pathPropagator( _d->city );
pathPropagator.init( building.as<Construction>() );
pathPropagator.propagate( _d->maxDistance);
// try get that good from a granary
_d->storageBuildingPos = getSupplierDestination2<Granary>( pathPropagator, B_GRANARY,
type, qty, pathWay, _d->reservationID );
if( _d->storageBuildingPos.getI() < 0 )
{
// try get that good from a warehouse
_d->storageBuildingPos = getSupplierDestination2<Warehouse>( pathPropagator, B_WAREHOUSE,
type, qty, pathWay, _d->reservationID );
}
if( _d->storageBuildingPos.getI() >= 0 )
{
// we found a destination!
setPathWay(pathWay);
}
else
{
// we have nothing to buy, or cannot find what we need to buy
deleteLater();
return;
}
setIJ( _getPathway().getOrigin().getIJ() );
}
