diff --git a/gib-gab-gob/actors.scm b/gib-gab-gob/actors.scm index 804b3de..6441f01 100644 --- a/gib-gab-gob/actors.scm +++ b/gib-gab-gob/actors.scm @@ -1,60 +1,114 @@ (define-module (gib-gab-gob actors) #:use-module (gib-gab-gob rps) #:use-module (gib-gab-gob lib) ;; to go into goblins eventually! + #:use-module (gib-gab-gob utils) #:use-module (goblins) #:use-module (goblins actor-lib methods) #:use-module (goblins actor-lib sealers) #:use-module (oop goops) + #:use-module (ice-9 match) #:export (^game-lobby ^client-picker)) (define (^game-lobby bcom) (define pick (pick-rps)) (methods - [(register-opponent name client sealed-pick) + [(register-opponent name peer sealed-pick) (format #t "Hey there, ~a! You sent me your pick of rock-paper-scissors; now I will send mine.\n" name) - (on (<- (<- client 'pick->unsealer pick) sealed-pick) + (on (<- (<- peer 'pick->unsealer pick) sealed-pick) (lambda (peer-pick) (define won? (rps-winner pick peer-pick)) (format #t "Opponent ~a has picked ~a (do I win? ~a)\n" name peer-pick won?) - (bcom (^gib-gab-gobbler bcom won?))))])) + ;; Transition to gobbler/receiver + (let* ((gobbler (spawn ^gib-gab-gobbler won? #f)) + (receiver ($ gobbler 'get-receiver))) + ($ gobbler 'register-receiver (<- peer 'register-receiver receiver)))))])) (define (^client-picker bcom) (define-values (seal-pick unseal-pick my-pick?) (spawn-sealer-triplet)) (define pick (pick-rps)) + (define won? #f) (methods [(get-sealed-pick) ($ seal-pick pick)] [(pick->unsealer peer-pick) - (define won? (rps-winner pick peer-pick)) + (set! won? (rps-winner pick peer-pick)) (format #t "Peer picked ~a... a bold choice (do I win? ~a), I will send my unsealer\n" peer-pick won?) - (bcom (^gib-gab-gobbler bcom won?)) - unseal-pick])) + unseal-pick] + [(register-receiver receiver) ($ (spawn ^gib-gab-gobbler won? receiver) 'get-receiver)])) ;; Actual Tic Tac Toe game (define ggg-size 3) ;; tic tac toe with more than 3x3 grid? -(define (^gib-gab-gobbler bcom going-first?) - (methods - [(do-move coords) #f])) +(define (^gib-gab-gobbler bcom initiator arg-peer) + (format #t "Creating gobbler\n") -(define (^peer-board bcom self) + (define my-board (selfish-spawn ^peer-board (if initiator "x" "o"))) + (define peer-board (selfish-spawn ^peer-board (if initiator "o" "x"))) + + ;; Move Receiver actor which receives moves from the peer. + (define (^move-receiver bcom) + (methods + ;; Receive the move from the peer. + [(exchange-move peer coords) + (format #t "exchange-move ~s\n" coords) + ($ peer-board 'choose! coords) + (move! peer)])) + + (define receiver (spawn ^move-receiver)) + + ;; Convert from a prompt to a valid move. + ;; TODO: validation + (define (prompt->move) + (format #t "enter move > ") + (map string->number (string-tokenize (read) char-set:digit))) + + ;; Do our move, and send it to the peer. We then await its response. + (define (move! peer) + (format #t "begin move w ~s\n" peer) + (on (<- peer 'exchange-move receiver + (let ((move (prompt->move))) + ($ my-board 'choose! move) + ($ peer-board 'display) + move)) + ;; get exchange + (lambda (peer-move) + ;; Actually respond to the move + (format #t "Peer move ~s\n" peer-move) + ($ my-board 'display) + ($ peer-board 'choose! peer-move)))) + + ;; Initial logic. If the peer is not set we wait until we receive it. + ;; If we don't go first we also wait. + (when (and arg-peer initiator) + (move! arg-peer)) + + (methods + [(get-receiver) receiver] + ;; Learn about the receiver from the peer. Then do our move if we are first. + [(register-receiver peer) + (when initiator + (move! peer))])) + +;; Board logic + +(define (^peer-board bcom self mark-char) ;; Define the array with unspecified values, then fill (define arr (make-array *unspecified* ggg-size ggg-size)) (array-map! arr (lambda () (spawn ^mark))) (methods - [(ref x y) (array-ref arr x y)] - [(chosen? x y) ($ ($ self 'ref x y) 'chosen?)] - [(choose! x y) - (if ($ self 'chosen? x y) - (error "coords already chosen:" x y) - (begin - ($ ($ self 'ref x y) 'choose!) - ($ self 'display)))] + [(ref coords) (match coords ((x y) (array-ref arr x y)))] + [(chosen? coords) ($ ($ self 'ref coords) 'chosen?)] + [(choose! coords) + (if ($ self 'chosen? coords) + (error "coords already chosen:" coords) + (begin + ($ ($ self 'ref coords) 'choose!) + ($ self 'display)))] [(display) (define (print-mark mark) - (if ($ mark 'chosen?) "x" " ")) + (if ($ mark 'chosen?) mark-char " ")) ;; this is .. probably messy? (array-slice-for-each-in-order 1 diff --git a/gib-gab-gob/utils.scm b/gib-gab-gob/utils.scm new file mode 100644 index 0000000..6b13752 --- /dev/null +++ b/gib-gab-gob/utils.scm @@ -0,0 +1,7 @@ +(define-module (gib-gab-gob utils) + #:export (prompt)) + +;; Prompt for something in the console and convert it to a string. +(define (prompt text) + (format #t text) + (read))