77 lines
2.3 KiB
Scheme
77 lines
2.3 KiB
Scheme
(define-module (gib-gab-gob game)
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#:use-module (goblins)
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#:use-module (goblins vat)
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#:use-module (goblins actor-lib methods)
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#:use-module (goblins actor-lib sealers)
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#:use-module (goblins actor-lib selfish-spawn)
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#:use-module (ice-9 match)
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#:use-module (ice-9 rdelim)
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#:export (^ggg-controller))
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;; Actual Tic Tac Toe game
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(define ggg-size 3) ;; tic tac toe with more than 3x3 grid?
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(define (^ggg-controller bcom initiator? peer)
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(define mark (if initiator? "x" "o"))
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(define peer-mark (if initiator? "o" "x"))
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(define board (selfish-spawn ^peer-board))
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(define my-turn? (not initiator?))
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(methods
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;; The peer is telling us about the turn it took.
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[(peer-turn! coords)
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(if (not my-turn?)
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(begin
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($ board 'choose! coords peer-mark)
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(set! my-turn? (not my-turn?)))
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(error "It's my turn!"))]
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;; TODO: This needs to go somewhere else so the peer can't move for us!
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[(my-turn! coords)
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(if my-turn?
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(begin
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($ board 'choose! coords mark)
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(set! my-turn? (not my-turn?)))
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(error "It's not my turn."))]))
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;; Board logic
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(define (^peer-board bcom self)
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;; Define the array with unspecified values, then fill
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(define arr (make-array *unspecified* ggg-size ggg-size))
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(array-map! arr (lambda () (spawn ^mark)))
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(methods
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;; Switch coords for clarity
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[(ref coords)
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(match coords ((x y) (array-ref arr y x)))]
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[(chosen? coords) (not (not ($ ($ self 'ref coords) 'get)))]
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[(choose! coords mark-char)
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(let* ((mark ($ self 'ref coords))
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(char ($ mark 'get)))
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(if char
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(error "coords already chosen:" coords)
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(begin
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($ mark 'choose! mark-char)
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($ self 'display))))]
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[(display)
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(define (print-mark mark)
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(let ((mark ($ mark 'get)))
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(or mark " ")))
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;; this is .. probably messy?
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(array-slice-for-each-in-order
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1
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(lambda (x)
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(map (lambda (i) (format #t "[~a]" (print-mark i)))
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(array->list x))
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(format #t "\n")) arr)]))
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;; Do we need to use SRFI 158, or newra library, to do this?
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;; [(get-winner) ???]
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(define* (^mark bcom #:optional [mark #f])
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(methods
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[(get) mark]
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[(choose! mark-char)
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(if mark
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(error "this mark is already chosen")
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(bcom (^mark bcom mark-char)))]))
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