Re: [Freeciv-Dev] Fog, was: Idea for 2.0

[Mitch Davis <mjd@xxxxxxxxxx>]

David Pfitzner wrote:
> 
> I'm not sure if this will clarify things, or just add more fog,
> but I will try to make a few clarifications of my own. :-)

No, it's good.

> 4. Supposing by 3 that it is game "policy" that certain
> information forms part of the "current view", then what
> should be the details about that policy?  Eg, specifically,
> what information about enemy units last seen in areas
> covered by fog should be considered part of the "current
> view"?

I had thought of this, and my thinking is thus:

If a tile is currently visible from a city or by a unit, then
that person gets all updates regarding that tile.  When a tile
is no longer within viewing range of a city or unit, a turns
value is given to that tile.  This value is then decremented
each turn until it is zero.  If something happens on a tile,
updates are sent to those people who have non-zero turn counts
on that tile.  The initial value could be a server option.

This is like a use-by value on the information:  You get updates 
for a while, then you don't, unless you inhabit that land (or post
units), or you revisit it.
 
Strangely, this was how I thought Civ I did it... :-)

Mitch.
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