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Having got Jigsaw mode generation working at reasonable speed, we

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can now productise it.

[originally from svn r7979]
This commit is contained in:
Simon Tatham
2008-04-08 10:30:18 +00:00
parent c8a843ee62
commit ea13d39a17
2 changed files with 49 additions and 44 deletions
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puzzles.but
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@ -861,9 +861,9 @@ menu are \e{Width} and \e{Height}, which are self-explanatory.
\cfg{winhelp-topic}{games.solo}
You have a square grid, which is divided into square or rectangular
blocks. Each square must be filled in with a digit from 1 to the
size of the grid, in such a way that
You have a square grid, which is divided into as many equally sized
sub-blocks as the grid has rows. Each square must be filled in with
a digit from 1 to the size of the grid, in such a way that
\b every row contains only one occurrence of each digit
@ -871,13 +871,19 @@ size of the grid, in such a way that
\b every block contains only one occurrence of each digit.
\b (optionally, by default off) each of the square's two main
diagonals contains only one occurrence of each digit.
You are given some of the numbers as clues; your aim is to place the
rest of the numbers correctly.
The default puzzle size is 3\by\.3 (a 9\by\.9 actual grid, divided
into nine 3\by\.3 blocks). You can also select sizes with
rectangular blocks instead of square ones, such as 2\by\.3 (a
6\by\.6 grid divided into six 3\by\.2 blocks).
Under the default settings, the sub-blocks are square or
rectangular. The default puzzle size is 3\by\.3 (a 9\by\.9 actual
grid, divided into nine 3\by\.3 blocks). You can also select sizes
with rectangular blocks instead of square ones, such as 2\by\.3 (a
6\by\.6 grid divided into six 3\by\.2 blocks). Alternatively, you
can select \q{jigsaw} mode, in which the sub-blocks are arbitrary
shapes which differ between individual puzzles.
If you select a puzzle size which requires more than 9 digits, the
additional digits will be letters of the alphabet. For example, if
@ -930,12 +936,19 @@ rows, into which the main grid is divided. (The size of a block is
the inverse of this: for example, if you select 2 columns and 3 rows,
each actual block will have 3 columns and 2 rows.)
You can introduce an optional extra constraint on the puzzles,
requiring that the two main diagonals of the grid also contain one
If you tick the \q{X} checkbox, Solo will apply the optional extra
constraint that the two main diagonals of the grid also contain one
of every digit. (This is sometimes known as \q{Sudoku-X} in
newspapers.) In this mode, the squares on the two main diagonals
will be shaded slightly so that you know it's enabled.
If you tick the \q{Jigsaw} checkbox, Solo will generate randomly
shaped sub-blocks. In this mode, the actual grid size will be taken
to be the product of the numbers entered in the \q{Columns} and
\q{Rows} boxes. There is no reason why you have to enter a number
greater than 1 in both boxes; Jigsaw mode has no constraint on the
grid size, and it can even be a prime number if you feel like it.
You can also configure the type of symmetry shown in the generated
puzzles. More symmetry makes the puzzles look prettier but may also
make them easier, since the symmetry constraints can force more