| Commit message (Collapse) | Author | Age |
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Now rather than mucking around with the cursor keys, you can just type a
four-digit number and press Enter. Of course, if you still want to muck
around with the cursor keys they work the same as before.
Since Backspace was already assigned to clear the peg under the cursor,
I haven't co-opted it for the obvious action of clearing the peg to the
left of the cursor and moving the cursor left. The left arrow key is a
reasonable alternative anyway.
For consistency, 'L' now labels the pegs with numbers rather than
letters, and is documented.
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It sets a hold now, as is mentioned in the next sentence.
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Most of the old URLs don't work any more. As far as I can see, the
new pages have no Flash, and even if they did very few browsers will
still support it.
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A user spotted that this docs section was missing all its useful
content.
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They'd got quite out of date, oops.
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This is similar in concept to Minesweeper, in that each clue tells you
the number of things (in this case, just 'black squares') in the
surrounding 3x3 grid section.
But unlike Minesweeper, there's no separation between squares that can
contain clues, and squares that can contain the things you're looking
for - a clue square may or may not itself be coloured black, and if
so, its clue counts itself.
So there's also no hidden information: the clues can all be shown up
front, and the difficulty arises from the game generator choosing
which squares to provide clues for at all.
Contributed by a new author, Didi Kohen. Currently only has one
difficulty level, but harder ones would be possible to add later.
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Printing is only available in GTK versions >= 2.10. We can only embed
the page setup dialog on GTK >= 2.18, so on a GTK version less than
that, we must use a separate page setup dialog.
In GTK, printing is usually done one page at a time, so also modify
printing.c to allow printing of a single page at a time.
Create a separate drawing API for drawing to the screen and for
printing. Create a vtable for functions which need to be different
depending on whether they were called from the printing or drawing
API.
When a function is called from the printing API, it is passed a
separate instance of the frontend than if it were called from the
drawing API. In that instance of the frontend, an appropriate vtable
is available depending on whether it was called from the printing or
drawing API.
The low-level functions used for printing are enabled even if printing
is not enabled. This is in case we ever need to use them for something
other than printing with GTK. For example, using Cairo as a printing
backend when printing from the command line. Enabling the low-level
functions even when GTK printing is not available also allows them to
be compiled under as many build settings as possible, and thus lowers
the chance of undetected breakage.
Move the definition of ROOT2 from ps.c to puzzles.h so other files can
use it (gtk.c needs it for hatching).
Also add myself to the copyright list.
[Committer's note: by 'printing', this log message refers to the GTK
GUI printing system, which handles selecting a printer, printing to a
file, previewing and so on. The existing facility to generate
printable puzzles in Postscript form by running the GTK binaries in
command-line mode with the --print option is unaffected. -SGT]
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Asher Gordon points out that when Michael Quevillon was added to the
LICENCE file in commit 8af0c2961, he didn't also make it in to the
copy of the same list in puzzles.but.
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A user mailed me today having found it less than clear from the docs
that Galaxies will only accept a solution if the set of filled-in grid
edges consists of _exactly_ the ones that separate two distinct
regions, rather than consisting of _at least_ those and perhaps others
which neither break rotational symmetry or disconnect any region.
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This allows me to remove HTML Help Workshop completely from my build
dependencies, and good riddance!
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Chris Boyle points out that two of the rules are implicitly intended
to be read as only applying if a previous rule hadn't already decided
what would happen, and suggested that since not all readers infer that
priority order, it would be better to explicitly make them mutually
exclusive so that there can be no confusion about which one applies.
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Where possible (mostly with the Nikoli links), they've been updated to their
modern locations. At least one link had to become a Wayback Machine link;
I didn't bother making the floodit.appspot.com link a Wayback one because
there's no content there without the backing of Google App Engine. There
are other implementations online nowadays, of course, but I didn't want to
change the meaning of the text if at all possible. In addition, I added
Flash warnings for the Nikoli pages that now use Flash for instructions.
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The web page currently assumes it's called 'rect' rather than
'rectangles', because the web-page building script uses the first
field of each line of gamedesc.txt, same as the Unix binary name.
Rather than add another confusingly-almost-identical field to that
file, it's easier to just rename this one docs section to make the
assumption of equality hold.
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A letter offset by one from a ball on the edge should be an R, not an
H. Thanks to Kevin Buzzard for pointing out the error.
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While checking over the Palisade docs for this sort of error, I
happened to notice that a few were already in the existing games'
documentation.
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- Lay bridges (crosess) with Control-arrow (Shift-arrow)
- Jump (non-orthogonally) to nearby islands with number keys, a..f
- Mark islands as done with a single tap on the space bar
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Pressing Ctrl-arrow or Shift-arrow on a tile now moves the row or
column under the tile. With Ctrl, the cursor moves as well so you can
keep making moves that affect the same tile; with Shift, the cursor
stays put so you can keep making moves that affect the same location.
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Pressing H now suggests the lexicographically first row consistent
with all previous feedback.
The previous function of the H key to toggle a hold marker on the
current peg is now performed by Space / CURSOR_SELECT2, which is more
in line with other puzzles anyway.
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This is really an incremental solver. It alternates between solving
rows and solving columns. Each row and column is solved one piece at
a time. Except for some temporary trickery with the last two pieces
in a row or column, once a piece is solved it is never moved again.
(On non-square grids it first solves some rows or some columns until
the unsolved part is a square, then starts alternating.)
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Keyboard dragging while holding Control now moves the cursor to the
target square. Shift-Control-arrowkey performs the previous behavior
of Control-arrowkey.
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Based on a web game I saw a few years ago, and dashed off this weekend
after I thought of a way to write a good (though not quite optimal)
heuristic solver, here's a random little thing not quite in the same
line as the most usual kind of Puzzles fare: instead of making you
scratch your head to find any move to make at all, it's easy to find
solutions in principle, and the challenge comes from having to do so
within a move limit.
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I'm going through all my projects and reworking them to avoid
depending on the monotonic integer-valued source control revision
identifier provided by Subversion, so I can migrate everything to git
without my builds and versioning breaking.
Puzzles's version number is now of the form YYYYMMDD.vvvvvv, where
vvvvvv is some string of source control information (currently still
the SVN-style "rNNNNN", but free to change in future). The date
provides monotonicity between my official automated builds, and the
second component is the one I'll be most interested in when people
send bug reports.
[originally from svn r10263]
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every other year.
[originally from svn r10116]
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elsewhere.
[originally from svn r10035]
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do_recurse() now prunes early whenever it encounters a branch of the
search tree inconsistent with existing grid data (rather than the
previous naive approach of proceeding to enumerate all possibilities
anyway and then ruling them out one by one); do_recurse also tries to
split the row up into independent sections where possible; finally the
main solver loop (all three copies of which have now been factored out
into a new solve_puzzle function), instead of simply looping round and
round over all the rows and columns, heuristically looks at the ones
most changed since the last time deduction was attempted on them, on
the basis that that will probably yield the most information the
fastest.
[originally from svn r9828]
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meaning the maximum white squares in any direction, rather than the total of
all directions.
[originally from svn r9771]
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semantics when a reflected sight-line crosses the same monster twice.
[originally from svn r9694]
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implementation of a puzzle usually called 'Tohu wa Vohu'.
[originally from svn r9680]
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[originally from svn r9656]
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