318 lines
9.9 KiB
Racket
318 lines
9.9 KiB
Racket
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possible to disable dragging but still allow double-clicking?
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possible to remap single click (instead of double click)?
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|#
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#lang racket/base
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(require games/cards racket/gui racket/unit string-constants
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"../show-scribbling.rkt")
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(provide game@)
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(define game@ (unit (import) (export)
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(define table (make-table "Aces" 6 5))
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(make-object button% (string-constant help-menu-label) table
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(let ([show-help (show-scribbling '(lib "games/scribblings/games.scrbl")
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"aces")])
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(lambda x (show-help))))
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(define draw-pile null)
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(define card-height (send (car (make-deck)) card-height))
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(define card-width (send (car (make-deck)) card-width))
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(define region-height (send table table-height))
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;; space between cards in the 4 stacks
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(define card-space 30)
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(define-struct stack (x y cards) #:mutable)
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(define (get-x-offset n)
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(let* ([table-width (send table table-width)]
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[stack-spacing 7]
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[num-stacks 5]
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[all-stacks-width (+ (* num-stacks card-width)
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(* (- num-stacks 1) stack-spacing))])
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(+ (- (/ table-width 2) (/ all-stacks-width 2))
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(* n (+ card-width stack-spacing)))))
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(define draw-pile-region
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(make-button-region
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(get-x-offset 0)
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0
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card-width
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region-height ; card-height
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#f
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#f))
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(define stacks
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(list (make-stack (get-x-offset 1) 0 null)
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(make-stack (get-x-offset 2) 0 null)
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(make-stack (get-x-offset 3) 0 null)
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(make-stack (get-x-offset 4) 0 null)))
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;; type state = (make-state (listof cards) (listof[4] (listof cards)))
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(define-struct state (draw-pile stacks))
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;; extract-current-state : -> state
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(define (extract-current-state)
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(make-state (copy-list draw-pile)
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(map (lambda (x) (copy-list (stack-cards x))) stacks)))
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(define (copy-list l) (map (lambda (x) x) l))
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;; install-state : -> void
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(define (install-state state)
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(send table begin-card-sequence)
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;; erase all old snips
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(send table remove-cards draw-pile)
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(for ([stack (in-list stacks)])
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(send table remove-cards (stack-cards stack)))
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;; restore old state
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(set! draw-pile (state-draw-pile state))
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(for ([stack (in-list stacks)]
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[cards (in-list (state-stacks state))])
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(set-stack-cards! stack cards))
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;; restore GUI
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(for ([draw-pile-card (in-list draw-pile)])
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(send table add-card draw-pile-card 0 0))
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(send table move-cards-to-region draw-pile draw-pile-region)
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(for ([draw-pile-card (in-list (reverse draw-pile))])
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(send table card-face-down draw-pile-card)
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(send table card-to-front draw-pile-card))
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(for ([stack (in-list stacks)])
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(define num-cards (length (stack-cards stack)))
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(send table add-cards (stack-cards stack) 0 0)
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(send table move-cards (stack-cards stack)
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(stack-x stack)
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(stack-y stack)
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(lambda (i)
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(values 0 (* (- num-cards i 1) card-space))))
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(send table cards-face-up (stack-cards stack)))
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(send table end-card-sequence))
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;; undo-stack : (listof state)
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(define undo-stack null)
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;; redo-stack : (listof state)
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(define redo-stack null)
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;; save-undo : -> void
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;; saves the current state in the undo stack
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(define (save-undo)
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(set! undo-stack (cons (extract-current-state) undo-stack))
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(set! redo-stack null))
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;; do-undo : -> void
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;; pre: (not (null? undo-stack))
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(define (do-undo)
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(let ([to-install (car undo-stack)])
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(set! redo-stack (cons (extract-current-state) redo-stack))
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(set! undo-stack (cdr undo-stack))
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(install-state to-install)))
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;; do-redo : -> void
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;; pre: (not (null? redo-stack))
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(define (do-redo)
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(let ([to-install (car redo-stack)])
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(set! undo-stack (cons (extract-current-state) undo-stack))
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(set! redo-stack (cdr redo-stack))
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(install-state to-install)))
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(define (position-cards stack)
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(let ([m (length (stack-cards stack))])
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(lambda (i)
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(values 0 (if (= m 0) 0 (* (- m i 1) card-space))))))
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(define (reset-game)
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(send table remove-cards draw-pile)
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(for ([stack (in-list stacks)])
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(send table remove-cards (stack-cards stack)))
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(set! undo-stack null)
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(set! redo-stack null)
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(let* ([deck (shuffle-list (make-deck) 7)]
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[set-stack
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(lambda (which)
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(set-stack-cards! (which stacks) (list (which deck))))])
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(for ([card (in-list deck)])
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(send card user-can-move #f)
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(send card user-can-flip #f))
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(set! draw-pile (cddddr deck))
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(set-stack car)
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(set-stack cadr)
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(set-stack caddr)
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(set-stack cadddr))
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(for ([stack (in-list stacks)])
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(send table add-cards
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(stack-cards stack)
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(stack-x stack)
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(stack-y stack)
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(position-cards stack))
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(for ([card (in-list (stack-cards stack))]) (send card flip)))
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(send table add-cards-to-region draw-pile draw-pile-region))
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(define (move-from-deck)
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(save-undo)
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(unless (null? draw-pile)
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(define (move-one select)
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(let ([stack (select stacks)]
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[card (select draw-pile)])
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(set-stack-cards! stack (cons card (stack-cards stack)))
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(send table card-to-front card)
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(send table flip-card card)))
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(send table begin-card-sequence)
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(move-one car)
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(move-one cadr)
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(move-one caddr)
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(move-one cadddr)
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(send table end-card-sequence)
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(let ([cards-to-move (list (car draw-pile)
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(cadr draw-pile)
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(caddr draw-pile)
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(cadddr draw-pile))])
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(send table move-cards cards-to-move
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0 0
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(lambda (i)
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(define stack (list-ref stacks i))
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(define-values [dx dy] ((position-cards stack) 0))
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(values (+ dx (stack-x stack))
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(+ dy (stack-y stack))))))
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(set! draw-pile (cddddr draw-pile))
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(send table move-cards-to-region draw-pile draw-pile-region)))
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(define (move-to-empty-spot card stack)
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(save-undo)
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(send table move-cards
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(list card)
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(stack-x stack)
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(stack-y stack)
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(position-cards stack))
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(remove-card-from-stacks card)
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(set-stack-cards! stack (cons card (stack-cards stack))))
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(define (remove-card card)
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(save-undo)
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(send table remove-card card)
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(remove-card-from-stacks card))
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(define (remove-card-from-stacks card)
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(define old-cards (map stack-cards stacks))
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(for ([stack (in-list stacks)])
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(set-stack-cards! stack (remq card (stack-cards stack))))
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(for ([stack (in-list stacks)]
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[old-cards (in-list old-cards)])
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(unless (equal? (stack-cards stack) old-cards)
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(send table move-cards
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(stack-cards stack)
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(stack-x stack)
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(stack-y stack)
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(position-cards stack)))))
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(send table set-single-click-action
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(lambda (card)
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(if (send card face-down?)
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(move-from-deck)
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(let ([bottom-four
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(let loop ([l stacks])
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(if (null? l)
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null
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(let ([stack (car l)])
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(if (null? (stack-cards stack))
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(loop (cdr l))
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(cons (car (stack-cards stack)) (loop (cdr l)))))))])
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(when (memq card bottom-four)
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(if (ormap (lambda (bottom-card)
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(and (eq? (send card get-suit)
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(send bottom-card get-suit))
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(or (and (not (= 1 (send card get-value)))
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(= 1 (send bottom-card get-value)))
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(and (not (= 1 (send card get-value)))
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(< (send card get-value)
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(send bottom-card get-value))))))
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bottom-four)
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(remove-card card)
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(let loop ([stacks stacks])
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(if (null? stacks)
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(void)
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(let ([stack (car stacks)])
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(if (null? (stack-cards stack))
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(move-to-empty-spot card stack)
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(loop (cdr stacks))))))))))
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(check-game-over)))
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(define (game-over?)
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(and (null? draw-pile)
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(let ([suits/false
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(map (lambda (x)
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(let ([stack-cards (stack-cards x)])
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(if (null? stack-cards)
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#f
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(send (car stack-cards) get-suit))))
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stacks)])
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(and (not (member #f suits/false))
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(memq 'clubs suits/false)
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(memq 'diamonds suits/false)
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(memq 'hearts suits/false)
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(memq 'spades suits/false)))))
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(define (won?)
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(and (game-over?)
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(andmap (lambda (x)
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(define cards (stack-cards x))
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(and (not (null? cards))
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(null? (cdr cards))
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(= 1 (send (car cards) get-value))))
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stacks)))
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(define (check-game-over)
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(when (game-over?)
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(case (message-box "Aces"
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(if (won?)
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"Congratulations! You win! Play again?"
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"Game Over. Play again?")
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table
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'(yes-no))
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[(yes) (reset-game)]
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[(no) (send table show #f)])))
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(send table add-region draw-pile-region)
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(reset-game)
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(define mb (or (send table get-menu-bar)
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(make-object menu-bar% table)))
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(define edit-menu (new menu% [parent mb] [label (string-constant edit-menu)]))
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(new menu-item%
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[label (string-constant undo-menu-item)]
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[parent edit-menu]
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[callback (lambda (x y) (do-undo))]
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[shortcut #\z]
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[demand-callback
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(lambda (item) (send item enable (not (null? undo-stack))))])
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(new menu-item%
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[label (string-constant redo-menu-item)]
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[parent edit-menu]
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[callback (lambda (x y) (do-redo))]
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[shortcut #\y]
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[demand-callback
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(lambda (item) (send item enable (not (null? redo-stack))))])
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(send table show #t)
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))
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