Re: [Rails-devel] 1825 half-tiles

[Erik V. <eri...@xs...>]

Ah yes, of course we could use that.
But the question if we *should* do it has not yet been answered.

Erik.

> -----Original Message-----
> From: Stefan Frey [mailto:ste...@we...]
> Sent: Saturday, October 29, 2011 2:14 PM
> To: Development list for Rails: an 18xx game
> Subject: Re: [Rails-devel] 1825 half-tiles
> 
> I was under the impression that the "impassable" attribute actually does
> exactly that. Or is it not possible to use it in the scenario below for a
different
> reason?
> Stefan
> 
> On Saturday, October 29, 2011 02:07:00 pm Erik Vos wrote:
> > The "existing mechanism" only allows opening hex edges that would
> > otherwise be closed, not the other way around.
> > Of course we can extend (or replace) that mechanism.  I'm just trying
> > to find out if this very minor issue (as JDG correctly points out) is
> > really worth it to create an exception for, also in the light of the
> > uncertainty about what the rules (as cited) really say.
> >
> > BTW: Q11 is Crewe, not Wolverton.
> >
> > Erik.
> >
> > > From: Stefan Frey [mailto:ste...@we...]
> > >
> > > Could you not lay the half tile on Q11 and block the SW side of hex
> > > tile
> >
> > Q11
> >
> > > using the existing mechanism?
> > >
> > > On Friday, October 28, 2011 10:22:45 pm Erik Vos wrote:
> > > > I'm including these half-tiles into 1825 Unit 1, and it basically
> > > > works. As expected, it turns out, that adding these half-tiles
> > > > makes the existing "open" attributes redundant. This attribute
> > > > achieves the same thing: that track can be laid towards the board
edge.
> > > >
> > > > However, the question arises how to interpret the rule that "Tiles
> > > > may be placed so that a railway terminates against the edge of the
> > > > board or against the side of an incomplete hexag"  in some
> > > > specific cases where laying track would not be allowed if the
> > > > adjacent board was actually present.  For Unit 1, this refers to
> > > > the Q row hexes, of which only the southernmost corner is just
> > > > visible on the Unit1 game board.  If taken literally, the cited
> > > > rule would allow track lays against all edges of the Q row hexes if
> Unit2/R3 are absent.
> > > >
> > > > However, if both Unit2 and Kit R3 are present, hex Q11 (Wolverton)
> > > > would be only reachable from the SE, and hex Q21 (The Wash, i.e.
> > > > sea)
> >
> > not
> >
> > > at all.
> > >
> > > > And that is how I had implemented it also for the case that
> > > > Unit2/R3 are absent (I only vaguely remember that we might have
> > > > had some discussion about this issue).
> > > >
> > > > My current preference is to use a half-tile on hex Q11 (to which
> > > > therefore track can be laid from both the SW and SE directions),
> > > > and to omit it on hex Q21 (which therefore cannot be laid any
> > > > track against).  To replicate the current behaviour, I would have
> > > > to omit the half-tile from Q11, and keep using the existing 'open'
> > > > attribute instead, so that Q11 can only be laid track against from
the SE.
> > > >
> > > > Any opinions?
> > > >
> > > > Erik.
> >
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