Aryadev Chavali
f0e7c9f3f0
Gives a hand from a shuffled deck to the user, asks them to provide indices for cards they wish to re-deal then does so.
68 lines
1.9 KiB
Common Lisp
68 lines
1.9 KiB
Common Lisp
;;; main.lisp - 2025-02-11
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;; Copyright (C) 2025 Aryadev Chavali
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;; This program is distributed in the hope that it will be useful, but WITHOUT
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;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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;; FOR A PARTICULAR PURPOSE. See the GNU General Public License Version 2 for
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;; details.
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;; You may distribute and modify this code under the terms of the GNU General
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;; Public License Version 2, which you should have received a copy of along with
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;; this program. If not, please go to <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;; Defines the entrypoint of the program, handling any input from the user and
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;; passing it into the system.
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;;; Code:
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(in-package :cantedraw.main)
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(fn read-input (&optional (prompt "> ")) (-> (&optional string) string)
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(format t "~a" prompt)
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(force-output)
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(read-line))
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(fn parse-integers (input) (-> (string) list)
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(->> input
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uiop:split-string
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(mapcar #'parse-integer*)
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(remove-if #'null)))
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(fn read-integers () (-> nil list)
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(->> "Enter numbers: "
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read-input
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parse-integers))
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(fn read-until-integers () (-> nil list)
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(let ((inp (read-integers)))
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(while (null inp)
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(format t "Need at least one integer...~%")
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(force-output)
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(setq inp (read-integers)))
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inp))
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(fn is-valid-hand-index (n) (-> (fixnum) boolean)
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(and (< n 5)
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(>= n 0)))
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(fn read-until-valid-integers () (-> nil list)
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(let ((inp (remove-duplicates (read-integers))))
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(while (not (every #'is-valid-hand-index inp))
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(format t "Need at most 5 integers between 0 and 4...~%")
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(force-output)
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(setq inp (remove-duplicates (read-integers))))))
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(defun generate-hand ()
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(->> (make-deck)
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alexandria:shuffle
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(split 5)))
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(defun start ()
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(destructuring-bind (hand . rest) (generate-hand)
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(declare (ignore rest))
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(->> hand cardset->str (format t "Hand=[~a]~%"))
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(force-output)))
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