[Gtkradiant] [Bug 234] New: Auxiliary grid for texture alignment

[gtkradiant@zerowing.idsoftware.com]

http://zerowing.idsoftware.com/bugzilla/show_bug.cgi?id=234

           Summary: Auxiliary grid for texture alignment
           Product: GtkRadiant
           Version: 1.1.1
        OS/Version: All
            Status: NEW
          Severity: enhancement
          Priority: P1
         Component: editor
        AssignedTo: ttimo@idsoftware.com
        ReportedBy: mbp2@lehigh.edu


Since the automatic texture alignment for patches doesn't work reliably, (it
often puts the texture backward or upside-down, or shifted wrong), I find myself
often manually setting texture coordinates on patches that need to align with an
adjacent brush.  The biggest difficulty in doing this is determining where in
"texture space" the patch vertices fall - on a 64 grid, with a 128x128 texture,
does a given grid point correspond to the middle of the texture, an edge, or a
corner?  There's no way to tell at a glance.

It would be useful to have a kind of auxiliary grid that shows how the
currently-active texture maps onto the construction grid.  It would scale,
rotate, and translate to match the active texture, so the user can easily see
where the edges are between tilings of the texture.

This would also help alleviate the problem of building a corridor up to a wall
and cutting a hole in the wall for a doorway, only to find that the doorway
texture doesn't align, and having to go back and change other architecture to
shift the corridor over by 64 units.



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