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- ; AisleRiot - backbone.scm
- ; Copyright (C) 1998, 2003 Jonathan Blandford <jrb@mit.edu>,
- ; 2005 Vincent Povirk <madewokherd@gmail.com>
- ;
- ; This game is free software; you can redistribute it and/or modify
- ; it under the terms of the GNU General Public License as published by
- ; the Free Software Foundation; either version 2, or (at your option)
- ; any later version.
- ;
- ; This program is distributed in the hope that it will be useful,
- ; but WITHOUT ANY WARRANTY; without even the implied warranty of
- ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- ; GNU General Public License for more details.
- ;
- ; You should have received a copy of the GNU General Public License
- ; along with this program; if not, write to the Free Software
- ; Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
- ; USA
-
- (define tableau '(0 1 6 7 12 13 16 17))
- (define foundation '(2 3 4 5 8 9 10 11))
- (define stock 14)
- (define waste 15)
- (define reserve '(18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36))
-
- (define (reserve? slot) (> slot 17))
- (define (playable? slot)
- (or
- (= slot 17)
- (member slot tableau)
- (reserve? slot)))
-
- ;list of lists of slots obscuring a slot
- (define obscured '())
-
- (define (padded-list n tail)
- (if (= n 0)
- tail
- (padded-list (- n 1) (cons '() tail))))
-
- (define (make-backbone n)
- (add-normal-slot '())
- (set! HORIZPOS (- HORIZPOS 1))
- (set! VERTPOS (+ VERTPOS (/ 1 3)))
- (set-car! (list-tail obscured n) (list (+ n 1)))
- (if (>= VERTPOS 3)
- n
- (make-backbone (+ n 1))))
-
- (define (deal-cards-face-up-to-reserve-from n)
- (deal-cards-face-up stock (list n))
- (if (>= n 36)
- #t
- (deal-cards-face-up-to-reserve-from (+ n 1))))
-
- (define (deal-cards-face-up-to-reserve)
- (deal-cards-face-up-to-reserve-from 18))
-
- (define (new-game)
- (initialize-playing-area)
- (set-ace-low)
- (set! obscured (padded-list 41 '()))
-
- (make-standard-double-deck)
- (shuffle-deck)
-
- (add-normal-slot '())
- (add-blank-slot)
- (add-blank-slot)
- (add-normal-slot '())
- (add-normal-slot '())
- (add-normal-slot '())
- (add-normal-slot '())
- (add-normal-slot '())
-
- (add-carriage-return-slot)
- (add-normal-slot '())
- (add-blank-slot)
- (add-blank-slot)
- (add-normal-slot '())
- (add-normal-slot '())
- (add-normal-slot '())
- (add-normal-slot '())
- (add-normal-slot '())
-
- (add-carriage-return-slot)
- (add-normal-slot '())
- (add-blank-slot)
- (add-blank-slot)
- (add-normal-slot '())
- (add-blank-slot)
- (add-normal-slot DECK)
- (add-normal-slot '())
-
- (add-carriage-return-slot)
- (add-normal-slot '())
- (add-blank-slot)
- (add-blank-slot)
- (add-normal-slot '())
-
- (deal-cards-face-up stock tableau)
-
- (set! HORIZPOS 1)
- (set! VERTPOS 0)
- (set-car! (list-tail obscured (make-backbone 18)) (list 36))
-
- (set! HORIZPOS 2)
- (set! VERTPOS 0)
- (make-backbone 27)
-
- (set! HORIZPOS 1.5)
- (add-normal-slot '())
-
- (deal-cards-face-up-to-reserve)
-
- (give-status-message)
-
- (list 8 4)
- )
-
- (define (give-status-message)
- (set-statusbar-message (string-append (get-stock-no-string)
- " "
- (get-redeals-string))))
-
- (define (get-redeals-string)
- (string-append (_"Redeals left:") " "
- (number->string (- 1 FLIP-COUNTER))))
-
- (define (get-stock-no-string)
- (string-append (_"Stock left:") " "
- (number->string (length (get-cards stock)))))
-
- (define (empty-slots? slots)
- (if (eq? slots '())
- #t
- (and
- (empty-slot? (car slots))
- (empty-slots? (cdr slots)))))
-
- (define (is-playable? slot)
- (and (or
- (member slot tableau)
- (= slot waste)
- (reserve? slot))
- (empty-slots? (list-ref obscured slot))))
-
- (define (is-legal-move? start-slot card-list end-slot)
- (and (not (= start-slot end-slot))
- (not (eq? card-list '()))
- (is-playable? start-slot)
- (or (and (member end-slot foundation)
- (if (empty-slot? end-slot)
- (= (get-value (car card-list)) 1)
- (and
- (= (get-suit (car card-list))
- (get-suit (get-top-card end-slot)))
- (= (get-value (car card-list))
- (+ (get-value (get-top-card end-slot)) 1)))))
- (and (member end-slot tableau)
- (if (empty-slot? end-slot)
- (not (reserve? start-slot))
- (and
- (= (get-suit (car card-list))
- (get-suit (get-top-card end-slot)))
- (= (get-value (car card-list))
- (- (get-value (get-top-card end-slot)) 1))))))))
-
- (define (button-pressed slot-id card-list)
- (is-playable? slot-id))
-
- (define (complete-transaction start-slot card-list end-slot)
- (move-n-cards! start-slot end-slot card-list)
- (if (member start-slot foundation)
- (add-to-score! -1))
- (if (member end-slot foundation)
- (add-to-score! 1))
- #t)
-
- (define (button-released start-slot card-list end-slot)
- (and (not (= start-slot end-slot))
- (is-legal-move? start-slot card-list end-slot)
- (complete-transaction start-slot card-list end-slot)))
-
- (define (button-clicked start-slot)
- (and (= start-slot stock)
- (flip-stock stock waste 1 1)))
-
- (define (move-if-possible start-slot end-slots)
- (and (not (empty-slot? start-slot))
- (let ((card (get-top-card start-slot)))
- (if (is-legal-move? start-slot (list card) (car end-slots))
- (begin (remove-card start-slot)
- (complete-transaction start-slot (list card) (car end-slots)))
- (if (eq? (cdr end-slots) '())
- #f
- (move-if-possible start-slot (cdr end-slots)))))))
-
- (define (button-double-clicked start-slot)
- (move-if-possible start-slot foundation))
-
- (define (non-empty-piles-helper piles result)
- (if (eq? piles '())
- result
- (non-empty-piles-helper
- (cdr piles)
- (if (empty-slot? (car piles))
- result
- (cons (car piles) result)))))
-
- (define (non-empty-piles piles)
- (non-empty-piles-helper piles '()))
-
- (define (empty-piles piles)
- (define (empty-piles piles result)
- (if (eq? piles '())
- result
- (empty-piles
- (cdr piles)
- (if (empty-slot? (car piles))
- (cons (car piles) result)
- result))))
- (empty-piles piles '()))
-
- (define (describe-pile pile)
- (if (empty-slot? pile)
- (cond
- ((member pile tableau) (_"an empty slot on the tableau"))
- ((member pile foundation) (_"an empty slot on the foundation")))
- (get-name (car (get-cards pile)))))
-
- (define (get-legal-move-from-source source targets)
- (if (eq? targets '())
- #f
- (if (and (not (empty-slot? source))
- (is-legal-move? source (list (car (get-cards source))) (car targets)))
- (list source (car targets))
- (get-legal-move-from-source source (cdr targets)))))
-
- (define (get-legal-move sources targets)
- (if (eq? sources '())
- #f
- (or (get-legal-move-from-source (car sources) targets)
- (get-legal-move (cdr sources) targets))))
-
- (define (get-hint)
- (or
- (let
- ((move (or
- (get-legal-move
- (append reserve (list waste) tableau)
- (append foundation (non-empty-piles tableau) (list waste)))
- (get-legal-move-from-source
- waste
- (empty-piles tableau)))))
- (if move
- (list 1 (describe-pile (car move)) (describe-pile (cadr move)))
- #f))
- (and (or (not (empty-slot? stock))
- (and (< FLIP-COUNTER 1)
- (not (empty-slot? waste))))
- (list 0 (_"Deal a new card from the deck")))
- (and (get-legal-move tableau tableau)
- (list 0 (_"Try rearranging the cards")))))
-
- (define (full-piles? piles)
- (and (= 13 (length (get-cards (car piles))))
- (or (eq? (cdr piles) '())
- (full-piles? (cdr piles)))))
-
- (define (game-won)
- (full-piles? foundation))
-
- (define (game-over)
- (give-status-message)
- (and (not (game-won)))
- (get-hint))
-
- (define (get-options)
- '())
-
- (define (apply-options options) #f)
-
- (define (timeout) #f)
-
- (set-features droppable-feature)
-
- (set-lambda new-game button-pressed button-released button-clicked button-double-clicked game-over game-won get-hint get-options apply-options timeout is-legal-move?)
-