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[Freeciv-Dev] Re: patch: port attacks!

[Freeciv-Dev] Re: patch: port attacks!

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To: <freeciv-dev@xxxxxxxxxxx>
Subject: [Freeciv-Dev] Re: patch: port attacks!
From: "Per I. Mathisen" <Per.Inge.Mathisen@xxxxxxxxxxx>
Date: Tue, 12 Mar 2002 15:03:33 +0100 (MET)

On Tue, 12 Mar 2002, Jason Short wrote:
> This patch gives a great offensive advantage to submarines.  No amount
> of land units in a city will be able to protect a transport from the
> submarine.  This is clearly Not Right.

I don't see why. Port attacks have, historically, been a significant part
of modern warfare, and subs were very much part of that. Unfortunately, we
don't have torpedo bombers (or whatever they are called), but this code
enables them for future rulesets.

>  Perhaps if there is a coastal
> fortress, the submarine cannot attack?  This at least gives the
> transport some possible defense.

Ok. I see the need to balance this, and this suggestion would balance it
out nicely, I think. After all, it is not like submarines are very
powerful as is. Ironclads and battleships rule the seas.

The AI doesn't need to learn about this, it already knows that coastal
fortresses work against seaborne units.

On Tue, 12 Mar 2002, Raahul Kumar wrote:
> The only alternative I want to have is that airbased units, especially
> helicopters, have big defensive bonuses against subs. A lot easier to
> code than your suggestions.

Hmm, not really. Anyway, it may not only be subs, but any unit with
F_NO_LAND_ATTACK, which may even be another aircraft. Of course, you might
say that aircraft get bonuses against any _seaborne_ F_NO_LAND_ATTACK
unit, but then the rules start becoming rather complex.

You can always sink the sub with your airplanes/helicopters afterwards.
That's even more realistic, come to think of it :)

> I like the look of it. You realise the AI needs to know about this little
> change. I'm also amazed that these are the only lines that need changing.
> I'm sure there are various flags in the code that check if no_land_attack.

The AI isn't told. Correct. It currently ignores F_NO_LAND_ATTACK units
completely, and don't count them as a threat. Obviously, that would have
to be changed, and all that needs to be done is to delete the last line

> static int assess_danger_unit(struct city *pcity, struct unit *punit)
> {
>   int v;
>   bool sailing;
>   if (unit_flag(punit, F_NO_LAND_ATTACK)) return(0);

The other reference to F_NO_LAND_ATTACK in ai/ is fine as is.


"My mother never saw the irony in calling me a son-of-a-bitch."
 -- Jack Nicholson

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