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# A TUI for local play of the game of Tak
## Building
Clone the repo, issue `cargo build` and enjoy (?)
## Usage
Takwrap supports local play, undo, and starting variant and game
exporting to PTN. See `takwrap -h` for options and details.
Note in particular that `takwrap` supports the following alternate
starting configurations, which are embedded in the exported PTN file
as `[Variant XXX]`.
- CPSn, counter-play start with n=1 is the default.
White places a black flat, then black places a white flat. This
repeats n times, after which normal play resumes.
- FCS, forbidden corner start.
CPS1 but white may not place the black flat in a corner
- FES, forbidden edge start.
CPS1 but white may not place the black flat on an edge
- TPS, two ply start.
White places two black flats, then black places a white flat and
normal play resumes.
- CZS, Czech start.
White places a black flat, then normal play resumes
## Interfacing with engines
Takwrap does not have computer opponents built in, but instead allows
interfacing with external engine programmes with the `-e` parameter.
It expects the name of an executable in the path which accepts the
name of a file with a game-state in PTN, and which returns a single,
valid move.
See the file `wrap_taktician` for an example of utilising [Taktician](https://github.com/nelhage/taktician)
for this purpose.
Note that the engine is expected to respect the `[Variant XXX]` line
in the PTN game-state, so expect breakage with anything but the
default.
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