59 lines
1.7 KiB
Scheme
59 lines
1.7 KiB
Scheme
(define-module (gib-gab-gob ui console)
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#:use-module (gib-gab-gob board)
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#:use-module (ice-9 rdelim)
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#:use-module (ice-9 exceptions)
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#:use-module (srfi srfi-9)
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#:use-module (fibers)
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#:use-module (fibers channels)
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#:use-module (fibers conditions)
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#:use-module (goblins)
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#:export (begin-game-loop))
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;; Module for simple console-based UI (no curses)
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;; A single run of the loop for a bespoke REPL for playing the game
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(define (%loop vat b controller my-turn+)
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(wait my-turn+)
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(let ((state ($ controller 'state)))
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(%print b state)
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(if (eq? state 'play)
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(let ((coords (%read)))
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(if coords (%eval vat controller coords) #f))
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#f)))
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(define (%read)
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(define line (read-line (current-input-port)))
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(if (string-prefix? ",q" line) #f
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(let ((coords (map string->number (string-tokenize line char-set:digit))))
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(if (not (= (length coords) 2))
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(begin (format #t "Must be two numbers, x y; or ,quit to quit. Try again.\n")
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(%prompt) (%read))
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coords))))
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(define (%eval vat controller coordinates)
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(format #t "Moving ~a\n" coordinates)
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(with-vat
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vat
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(on (<- controller 'my-turn! coordinates)
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(λ (state) (%display b state)))))
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(define (%print b state)
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(%display b state)
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(%prompt))
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(define (%prompt) (format #t "Enter your move: "))
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(define (%display b state)
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(board-display b)
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(cond
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((eq? state 'won) => (format #t "*** I won! ***\n"))
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((eq? state 'lost) => (format #t "*** I lost! ***\n"))))
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(define (begin-game-loop board controller my-turn+)
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(define vat (spawn-vat #:name "UI"))
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(spawn-fiber
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(λ ()
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(while (%loop vat board controller my-turn+))
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(format #t "bye-bye!\n")
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#f)))
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