simon-svn: puzzles: simon

[Commits to Tartarus CVS repository.]

SVN root:       svn://svn.tartarus.org/sgt
Changes by:     simon
Revision:       8444
Date:           2009-02-05 19:25:44 +0000 (Thu, 05 Feb 2009)

Log message (4 lines):
Lee Dowling points out that duplicating the entire grid data
structure in every game_state is terribly wasteful. Move all the
constant bits of it (i.e. everything except the per-square 'blue'
flag) into a ref-counted shared structure.

Modified files:
U   puzzles/cube.c

Links:
http://svn.tartarus.org/sgt/?rev=8444&view=rev
http://svn.tartarus.org/sgt/puzzles/cube.c?rev=8444&r1=8443&r2=8444