Day 25/100: Accepting Input

Today I made some strides in getting this to accept input. It's starting to look like a game now:

#lang racket

#| Init Block |#

(define tiles '())
(define die1 0)
(define die2 0)
(define turn-number 1)
(define took-turn #f)
(define end-of-game #f)

(define (start-game)
(set! tiles '(1 2 3 4 5 6 7 8 9)))

(define (dice)
(+ 1 (random 6)))

(define (dice-roll)
(set! die1 (dice))
(set! die2 (dice)))

(define (sum-of-dice)
(+ die1 die2))

(define (sum-of-tiles tilelist)
(apply + tilelist))

(define (list-check l1 l2)
(andmap (lambda (x) (not (boolean? (memq x l2)))) l1))

(define (shut-tiles tilelist)
(if (not took-turn) 
    (if (list-check tilelist tiles)
    (for ([i tilelist])
        (if (index-of tiles i)
            (begin
            (set! tiles (remove i tiles))
            (set! took-turn #t))
            (error "Tile already shut")))
    (println "Tile not available to be shut"))
(println "Already took your turn")))

(define (check-roll dice-sum tile-sum)
(= dice-sum tile-sum))

(define (player-turn tilelist)
(if (check-roll (sum-of-dice) (sum-of-tiles tilelist))
    (shut-tiles tilelist)
    (println "Roll does not equal shut tiles. Try again.")))

(define (my-read-line)
(let ([contents (read-line)])
    (if (string=? contents "")
    (read-line)
    contents)))

(define (input) 
(map string->number (string-split (my-read-line))))

(define (next-turn)
(set! turn-number (+ 1 turn-number))
(set! took-turn #f)
(dice-roll)
(show-turn))

(define (show-turn)
(printf "Turn: ")
(println turn-number)
(println tiles)
(printf "Dice roll ~v ~v = ~v\n" die1 die2 (sum-of-dice) ))

(start-game)
(dice-roll)
(let loop()

(show-turn)
(define tilelist (input))
(player-turn tilelist)
(next-turn)
(when (not end-of-game) (loop))
)

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