(defn get-move
"Call the player's strategy function to get a move.
Keep calling until a valid and legal move is returned
and pass that back.
There is no way to escape without the strategy returning
a valid and legal move."
[board strategy player]
(let [[x y :as move] (strategy board player)]
(if (and (valid-move? board move) (legal-move? board player move))
move ; return the move
(do
(printf "!Attempted illegal move [%d %d] by %s.\n" x y player)
(recur board strategy player)))))
(defn make-move
"Update board to reflect move by a player"
[board move player]
;; First make the move, then make any flips
(loop [brd (place-piece board move player)
idx 0]
(if (>= idx (count all-directions))
brd
(recur (make-flips brd move player (all-directions idx)) (inc
idx)))))
(defn- get-and-make-move
"Gets a valid and legal move from the strategy
and then makes it, returning the new board.
This does what the PAIP 'get-move' function did."
[board strategy player]
(let [[x y :as move] (get-move board strategy player)]
(make-move board move player)))
On Monday, July 14, 2014 12:35:47 PM UTC+1, James Reeves wrote:
>
> Could you post more of your code? If you suspect your code is stopping at
> the first swap!, it might be an idea to post the contents of
> get-and-make-move
> as well.
>
> - James
>
>
> On 14 July 2014 11:25, <[email protected] <javascript:>> wrote:
>
>> So I've got something strange happening.
>>
>> I have a function (play, see below) which I spin off in a separate thread:
>>
>> (future (play {:black black-strategy :white white-strategy} :black))
>>
>> The weird thing is whilst the first (println) in play is printed to the
>> console, and so is a similar print from the watch I have on current-board,
>> the play thread seems to stall at that point: I never see "done swap" or
>> any other prints from play and my UI doesn't update past the initial change
>> to current-board.
>>
>> It's almost as if swap! does it's job but then never returns.
>>
>> Any pointers for me?
>>
>>
>> (defn play [player-strategies player]
>> (println "play called (next is waiting 5 seconds before doing
>> anything.")
>> (Thread/sleep 5000)
>> (swap! current-board #(get-and-make-move %1 (player-strategies player)
>> player))
>> (println "done swap!")
>> (let [next-player (next-to-play @current-board player)]
>> (if-not next-player
>> (let [result (count-difference :black)]
>> (printf "GAME OVER") ;; should
>> return the result
>> (print-board @current-board)
>> ; (print (result-string result))
>> (newline) ;)
>> result)
>> (recur player-strategies next-player)))))
>>
>> --
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>> To post to this group, send email to [email protected]
>> <javascript:>
>> Note that posts from new members are moderated - please be patient with
>> your first post.
>> To unsubscribe from this group, send email to
>> [email protected] <javascript:>
>> For more options, visit this group at
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>>
>
>
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