shithub: puzzles

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Neat idea from Gareth: if you put a % on the end of the mine count
in the Custom dialog box, it'll treat it as a mine density.

[originally from svn r5861]

--- a/mines.c

+++ b/mines.c

@@ -232,6 +232,8 @@

     ret->w = atoi(cfg[0].sval);

     ret->h = atoi(cfg[1].sval);

     ret->n = atoi(cfg[2].sval);

+    if (strchr(cfg[2].sval, '%'))

+	ret->n = ret->n * (ret->w * ret->h) / 100;

     ret->unique = cfg[3].ival;

     return ret;

--- a/puzzles.but

+++ b/puzzles.but

@@ -891,7 +891,17 @@

 \dt \e{Mines}

-\dd Number of mines in the grid.

+\dd Number of mines in the grid. You can enter this as an absolute

+mine count, or alternatively you can put a \cw{%} sign on the end in

+which case the game will arrange for that proportion of the squares

+in the grid to be mines.

+

+\lcont{

+

+Beware of setting the mine count too high. At very high densities,

+the program may spend forever searching for a solvable grid.

+

+}

 \dt \e{Ensure solubility}