[Freeciv-Dev] Re: (PR#2641) islands from the client's point of view

["Raimar Falke via RT" <rt@xxxxxxxxxxxxxx>]

On Sun, Feb 02, 2003 at 09:54:54AM -0800, Mike Kaufman via RT wrote:
> On Sun, Feb 02, 2003 at 08:52:17AM -0800, Davide Pagnin via RT wrote:
> > 
> > Are you going to make those changes to the patch?
> 
> The problem here is that after finishing the patch, I started testing it.
> The problem with testing it is that I found that the problem is _far_ more
> complex than I had originally believed. I'm still thinking about the proper
> solution, and rethinking the entire concept now that you bring up your
> points...
>  
> > Critical situation 2:
> > Player A is the owner of city X, player B is the owner of city Y.
> > They both reside in the same huge pangaea continent, but they are not
> > aware of where they are.
> > Player A, do a sea Exploration and reach the other side of the continent
> > (but he ignores that it is the same continent).
> > At that point he discover city Y, owned by player B, and he create a
> > trade route between the city X and city Y.
> > At this point, nor A and neither B, knows that city X and city Y are on
> > the same continent.
> > BUT, for CMA compliance, it is nevertheless needed that both A and B are
> > informed that city X and city Y are on the same continent!
> > Then you need to change your trade route establishment check, instead of
> > looking if plrtile are known, you have to check if servertile are on the
> > same island, and then inform the involved players.
> 
> this is _not_ true. If neither player realizes that they are on the same
> continent, then the two cities won't be on the same continent. You do bring
> up an good point though. _When_ one player discovers that both are on the
> same continent, the other player will have to be notified.

> This is starting to be complicated (maybe too complicated).

But this is the whole point of server-controlled CPOV: the server has
to give at certain times the client more information so that the
clients have a consistent view of the world.

        Raimar

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