[Freeciv-Dev] Re: (PR#8797) ocean cities and TER_NO_CITIES

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

<URL: http://rt.freeciv.org/Ticket/Display.html?id=8797 >

On Fri, May 21, 2004 at 07:59:23PM -0700, Jason Short wrote:
> 
> <URL: http://rt.freeciv.org/Ticket/Display.html?id=8797 >
> 
> Currently some code assumes that there can be no cities on the ocean. 
> For instance when transforming terrain you have to check that the target 
> can support cities (if there's a city on the tile).
> 
> But other more recent code allows ocean cities.  However in the default 
> ruleset it should not be possible to change a city tile into ocean.
> 
> The only reasonable way to resolve this is a new terrain flag, 
> TER_NO_CITIES.  This is added to ocean in all current rulesets to 
> prevent cities on the ocean.
> 
> I think glacier should get the NoCities flag in the default and history 
> rulesets.  But this is a rules change and I'll leave it for later.

A good idea. However you assume in city_can_be_built_here that unit
with the "Cities" flag can be built a city anywhere. I think this
wasn't the case in SMAC. We need multiple "Cities" flags. And maybe
also multiple "Settlers" and "Transform" flags.

        Raimar

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