[messages] [Feature Requests] Re: ADC2 to VASSAL Coversion

Thomas Russ tar at isi.edu
Tue Oct 5 11:02:50 MST 2010

On Oct 5, 2010, at 10:33 AM, Joel Uckelman wrote:

> Thus spake Joel Uckelman:
>> Thus spake Thomas Russ:
>>> It looks like the native Vassal module includes custom code for
>>> handling the oblique hex grid numbering system.  [Is that planned to
>>> migrate into the main Vassal trunk, or are there too few classic
>>> Avalon Hill games to make it worthwhile?]
>> It's something which people ask for enough that it should become a  
>> standard
>> part of VASSAL eventually.
>> A good time to do that would be when the hex grid code is next  
>> reworked.
>> It's an awful mess presently---it contains a lot of cut-and-paste  
>> code
>> and dodgy math---but it's also rather self-contained, so wouldn't  
>> be that
>> big of a job for somebody who wanted to do it.
>> The code needs to be sepearated into more parts:
>> * An interface for hex grid numberings
>> * Concrete implementations of hex grid numberings
>> * An interface for classes which draw hex grid numberings
>> * A class for hex grids
>> * An interface for classes which draw hex grids
>> * Concrete implementations of classes which draw hex grids
>> Essentially what I'm envisioning is that you'd implement the  
>> HexGridNumbering
>> interface for each different numbering scheme you wanted, and then  
>> a HexGrid
>> would have a HexGridNumbering as a member. A good start would be to  
>> do just
>> this part. I don't have time for it right now myself, but this  
>> would be a
>> great small project for someone who would like to contribute.
> Thinking about this a bit more:
> CoordinateSystem should have something like the following methods:
>  Coordinate toCoordinate(Point p)
>  Point toPoint(Coordinate c)
> where the first translates a point in the plane to *numeric* hex
> coordinates, and the second translates numeric hex coordinates to
> the center point of that hex. I'm unsure what Cooordinate should be
> like, since we might want to support a 3-axis coordinate system.

And how does this all interact with the named regions or irregular  
grid items?  Is there some unification possible for that?

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