[Freeciv-Dev] Re: (PR#13845) Increasing the appeal of very large cities

["Brian Dunstan" <bdunstan149@xxxxxxxxx>]

<URL: http://bugs.freeciv.org/Ticket/Display.html?id=13845 >

a possible scheme for trade in food:

For any two cities A and B satisfying the following:
1. A and B are of the same civ
2. A and B have a trade route
3. A has a food surplus
4. B has no food surplus (or a food deficit)

The following applies:
1. If B is in defict, A transfers food to B to cover
the deficit
2. If B is celebrating, but does not have a surplus, A
transfers food to B to create a +1 surplus
3. For any food transferred, a fee in gold is deducted
from the national treasury, proportional to the amount
transferred, and the distance between cities.



--- Brian Dunstan <bdunstan149@xxxxxxxxx> wrote:

> 
> <URL:
> http://bugs.freeciv.org/Ticket/Display.html?id=13845
> >
> 
> 
> 
> --- Benoit Hudson <benoit.hudson@xxxxxxxxx> wrote:
> 
> > 
> > <URL:
> >
> http://bugs.freeciv.org/Ticket/Display.html?id=13845
> > >
> > 
> > > The only thing wrong with that model is that it
> is
> > not transparent what
> > > affects population growth.
> > 
> > We can make it transparent if we want, with all
> the
> > tooltips.
> > 
> > > Yeah, the growth rate was something like
> > proportional to
> > >     (size) * sqrt(maxsize - size)
> > > I'm sure we could find the exact formula
> > somewhere.
> > 
> > What do we set maxsize to?  Maybe min(N, FOOD_COST
> *
> > prod[O_FOOD]),
> > where N is 8 before aqueduct, 12 before sewers,
> and
> > unlimited
> > afterwards?  This makes population growth still
> > depend on food, but
> > maybe that's OK.
> > 
> > My formula can generate maxsize < size, which
> means
> > either my formula
> > is bad or we need to special-case that.
> > 
> > -- Benoît
> > 
> 
> A small suggestion:  tie food imports to trade
> routes.
>  The acquisition, or loss of, access to foreign food
> supplies has historically had a large impact on city
> sizes.  Ancient Rome supported a million ihabitants
> only because of huge imports of Egyptian grain.
> 
> 
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