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Merged
merged 3 commits into from
Jan 14, 2025
Merged

More incremental comments to interp.pl #27

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jazzbox35 Jan 13, 2025
eef8302
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jazzbox35 Jan 13, 2025
f04dab9
modifying for hyperon
jazzbox35 Jan 13, 2025
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84 changes: 51 additions & 33 deletions examples/games/GreedyChess.metta
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Original file line number Diff line number Diff line change
Expand Up @@ -46,14 +46,14 @@
;*******************************************************

; nth function, eg: (nth 2 (a b c)), answer = b
(: nth (-> Int Expression Atom)) ; Retrieves the nth element from the board.
; (: nth (-> Int Expression Atom)) ; Retrieves the nth element from the board.
(= (nth $n $list)
(if (== $n 1)
(car-atom $list)
(nth (- $n 1) (cdr-atom $list)))) ; Recursion: move to the next element (cdr-atom) and decrease n.

; Input a list and symbol, then return True if found, else False. Eg: (contains_symbol (a b c) b) returns True.
(: contains_symbol (-> Expression Atom Bool))
; (: contains_symbol (-> Expression Atom Bool))
(= (contains_symbol $list $sym)
(if (== $list ())
False
Expand Down Expand Up @@ -93,8 +93,24 @@
))
))

; below might work
(= (concat_lists $ListofLists)
(if (== (size-atom $ListofLists) 0)
()
(let $first_list (car-atom $ListofLists)
(if (== (size-atom $first_list) 0)
(concat_lists (cdr-atom $ListofLists))
(let*
($a (car-atom $first_list))
($b (cdr-atom $first_list))
($c (cdr-atom $ListofLists))
($d (cons-atom $b $c))
($f (concat_lists $d))
(cons-atom $a $f)
)))))

;
!(concat_lists (() (1 2 3) () (4 5) (6) (7 8 0) () ) )
;!(concat_lists ((1 2 3) (4 5) (6) (7 8 0) () ) )
;
;#( = #(nth 0 ($A
;(= (nth $A #(Cons $B $C) $B)
Expand Down Expand Up @@ -248,13 +264,13 @@
(progn
(println! " ") (println! " ") (println! " ") (println! " ")
(println! (format-args '-------- C o m m a n d s -----------' ()))
(println! (format-args '1) TO MOVE YOUR PIECE USE (example) -> M 1 2 1 3' ()))
(println! (format-args '1 TO MOVE YOUR PIECE USE example -> M 1 2 1 3' ()))
(println! (format-args ' Result: YOUR pawn in 1,2 moved to location 1,3 based on standard cartesian x/y.' ()))
(println! (format-args '2) Move MeTTa Greedy Chess -> G' ()))
(println! (format-args '3) Reset -> R' ()))
(println! (format-args '4) Commands List -> C' ()))
(println! (format-args '5) Display Board -> D' ()))
(println! (format-args '6) Quit -> Q' ()))
(println! (format-args '2 Move MeTTa Greedy Chess -> G' ()))
(println! (format-args '3 Reset -> R' ()))
(println! (format-args '4 Commands List -> C' ()))
(println! (format-args '5 Display Board -> D' ()))
(println! (format-args '6 Quit -> Q' ()))
(println! (format-args 'You may now enter your move M x1 y1 x2 y2 command.' ()))))
;

Expand All @@ -267,18 +283,20 @@
;*******************************************************

; Invoke with empty list, will return characters input from console until ENTER.
(: (get-player-command (-> list list)))
(= (get-player-command $input_list)
(let $cmd (get-single-char!)
(progn
; if initial execution flush output
(if (== (size-atom $input_list) 0) (flush-output!) ())
(if (== $cmd 13) ; if user hit <ENTER>
;return all input
$input_list
;else gather more input
(let $new_list (cons-atom $cmd $input_list) (get-player-command $new_list))))))
;(: (get-player-command (-> list list)))
;(= (get-player-command $input_list)
; (let $cmd (get-single-char!)
; (progn
; ; if initial execution flush output
; (if (== (size-atom $input_list) 0) (flush-output!) ())
; (if (== $cmd 13) ; if user hit <ENTER>
; ;return all input
; $input_list
; ;else gather more input
; (let $new_list (cons-atom $cmd $input_list) (get-player-command $new_list))))))

(= (get-player-command $input_list)
((py-atom input)))

; write welcome banner to console and call display_board to print the pieces
(= (welcome)
Expand All @@ -294,13 +312,13 @@
(println! (format-args '- Your pieces are marked with an asterisk.' ()))
(println! (format-args '- Please take note of the following simple commands:' ()))
(println! (format-args '-------- C o m m a n d s -----------' ()))
(println! (format-args '1) TO MOVE YOUR PIECE USE (example) -> M 1 2 1 3' ()))
(println! (format-args '1 TO MOVE YOUR PIECE USE example -> M 1 2 1 3' ()))
(println! (format-args ' Result: YOUR pawn in 1,2 moved to location 1,3 based on standard cartesian x/y.' ()))
(println! (format-args '2) Move MeTTa Greedy Chess -> G' ()))
(println! (format-args '3) Reset -> R' ()))
(println! (format-args '4) Commands List -> C' ()))
(println! (format-args '5) Display Board -> D' ()))
(println! (format-args '6) Quit -> Q' ()))
(println! (format-args '2 Move MeTTa Greedy Chess -> G' ()))
(println! (format-args '3 Reset -> R' ()))
(println! (format-args '4 Commands List -> C' ()))
(println! (format-args '5 Display Board -> D' ()))
(println! (format-args '6 Quit -> Q' ()))
(println! (format-args 'You may now enter your move M x1 y1 x2 y2 command.' ()))
)))

Expand Down Expand Up @@ -359,27 +377,27 @@
(println! "Please enter your command.")
; case statement for commands
(let $command (get-player-command ())
(if (== $command 77)
(if (== $command "M")
(do
(M) ; Move human piece
(command-loop)) ; Get next command, stay in loop.
(if (== $command 71)
(if (== $command "G")
(do
(G) ; AI move
(command-loop)) ; Get next command, stay in loop.
(if (== $command 82)
(if (== $command "R")
(do
(R) ; Reset = "R"
(command-loop)) ; Get next command, stay in loop.
(if (== $command 67)
(if (== $command "C")
(do
(C) ; List valid commands = "C"
(command-loop)) ; Get next command, stay in loop.
(if (== $command 68)
(if (== $command "D")
(do
(D) ; Display board "D"
(command-loop)) ; Get next command, stay in loop.
(if (== $command 81)
(if (== $command "Q")
(println! "Quitting MeTTa Greedy Chess.")
; otherwise
(do
Expand All @@ -391,7 +409,7 @@
(do
(chess) ; Start the chess game
(command-loop))) ; Enter the recursive command-processing loop
!(main_loop)
;!(main_loop)
;-----------;

;
Expand Down
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