[Freeciv-Dev] Re: (PR#7230) patrolling tririemes may sink

["Raimar Falke" <i-freeciv-lists@xxxxxxxxxxxxx>]

<URL: http://rt.freeciv.org/Ticket/Display.html?id=7230 >

On Sat, Jan 10, 2004 at 08:35:33PM -0800, Jason Short wrote:
> 
> <URL: http://rt.freeciv.org/Ticket/Display.html?id=7230 >
> 
> If a tririeme patrols around an island (for instance) it may wait and/or
> cross certain dangerous positions.  If its patrol causes it to end up with
> a different number of movement points than it started with, then on the
> second time around it may end up ending its turn on a dangerous position,
> and sinking.
> 
> This is a lesser problem for all units (both because of dangerous
> positions and following optimal terrain paths), but mostly for tririemes. 
> If positions are later labelled as being dangerous on certain "turns" then
> there will be no way to guarantee correctness.
> 
> But as it is, there are several alternatives.
> 
> The simplest solution would be to guarantee that the unit always had the
> same number of MP at start and end of the route.  This is accomplished
>   if the unit starts with less-than-full MP
>     wait at the beginning of the route
>   else if the unit ends with less-than-full MP
>     wait at the end of the route
> this is guaranteed correct but isn't optimal.

I think this solution is acceptable. Especially since the purpose of
patrol if not to go from A to B in the fastest way but to survey the
area.

        Raimar

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