[Freeciv-Dev] (PR#7350) Map radius change with city size

["Jason Short" <jdorje@xxxxxxxxxxxxxxxxxxxxx>]

<URL: http://rt.freeciv.org/Ticket/Display.html?id=7350 >

> [rwetmore@xxxxxxxxxxxx - Thu Apr 01 05:21:01 2004]:
> 
> If all you want is the order of outwards iteration, then walking it as
> in the corecleanups spiral macro is trivial O(1) process.

Um, no.  spiral_outward is over 50 lines long, far from trivial, and
won't work for hex-tiled maps AFAICT.

> There is actually a value in doing outwards iteration in unit move
> searches and such (like with pathfinding) vs array order iterations,
> in that useful things are usually closer. But that is a very subtle
> way to effect both performance and game behaviour.

Shouldn't these cases be using path-finding instead?  That way you
always find useful things closer; this is far from subtle.

jason