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cl-nono.lisp
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cl-nono.lisp
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;;; CL-NONO, a small nonogram puzzle game for SDL written in Common Lisp
;;; Copyright (C) 2016 Nick Baker <[email protected]>
;;;
;;; This program 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 3 of the License, 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, see <http://www.gnu.org/licenses/>.
;;;;;; cl-nono.lisp
(in-package #:cl-nono)
(defmacro continuable (&body body)
`(restart-case
(progn ,@body)
(continue () :report "Continue")))
(let ((i 0)
(victory-colors
(coerce (list sdl:*white*
sdl:*red*
sdl:*blue*
sdl:*green*
sdl:*cyan*
sdl:*magenta*)
'vector)))
(defun cycle-victory-color ()
"Use the amazing, awesome power of *~CLOSURES~* to abstract-away the cycling of colors!"
(setq i (mod (1+ i) (length victory-colors)))
(aref victory-colors i)))
(defun print-intro ()
(let ((text #("+------cl-nono.lisp v0.99------+"
"| a tiny nonogram puzzle clone |"
"| made in Common Lisp |"
"| email: [email protected] |"
"| |"
"| HOW TO PLAY |"
"| ----------- |"
"| Uncover the hidden picture |"
"| by finding only the squares |"
"| which contain pixels. |"
"| |"
"| Rows and Columns have hints |"
"| given by numbers, indicating |"
"| the existence of consecutive |"
"| pixels along them. |"
"| |"
"| Flag squares you are certain |"
"| are empty with an 'X' to aid |"
"| you in your deductions. |"
"| |"
"| Strive for zero mistakes! |"
"| |"
"| LMouse: toggle on/off pixel |"
"| RMouse: flag square as X |"
"| F11 : window/fullscreen |"
"| Esc : exit game any time |"
"| |"
"| |"
"| |"
"| |"
"| |"
"| |"
"| Press any key to begin |"
"| |"
"+------------------------------+")))
;; print background stripes
(loop for n below (min *x-res* *y-res*) by 8
for i from 0 do
(sdl:draw-circle-*
(truncate *x-res* 2)
(truncate *y-res* 2)
(truncate (+ n (mod (* 0.025 (sdl:sdl-get-ticks)) 16)))
:color (if (evenp i)
*outer-lines-color*
*outer-lines-color-lighter*)))
;; print splash text
(let* ((visual-width (sdl:get-font-size (aref text 0) :size :w))
(visual-height (sdl:get-font-size (aref text 0) :size :h))
(x (- (truncate *x-res* 2) (truncate visual-width 2))))
(sdl:draw-box-* x 0 visual-width
*y-res*
:color *off-color*)
(loop for each-line across text
for y from 16 by (+ visual-height 4)
do
;; shadow
(sdl:draw-string-solid-* each-line x y
:color sdl:*black*)
;; white text above shadow
(sdl:draw-string-solid-* each-line (- x 3) (- y 3)
:color sdl:*white*)))))
(defun list-puzzles ()
(loop for x in (directory "gfx/*.png")
collect
(string-downcase
(pathname-name x))))
(defun draw-puzzle-name ()
(sdl:draw-string-solid-*
(puzzle-name (board-puzzle *board*))
(truncate (+ *puzzle-x* (* 32.0 (sin (* (sdl:system-ticks) 0.00225)))))
(- *puzzle-y* 24)
:color (cycle-victory-color)))
(defun find-excessively-hinted-puzzles ()
"Scans every puzzle and returns any that have hint lines with more than five hints. Mainly used during development-time."
(let ((puzzle-objs
(loop for puzzle-name in (list-puzzles) collect
(load-puzzle puzzle-name))))
(loop for puz in puzzle-objs
when (find-if #'(lambda (lst)
(< 5 (length lst)))
(append (puzzle-hints-v puz)
(puzzle-hints-h puz)))
collect puz)))
;; If SWANK feature is present, that is because SBCL is currently running
;; under an emacs+SLIME environment. This will enable us to drop to the
;; SBCL REPL within emacs while the CL-NONO program is running, which allows
;; for neat things like changing functions or variables in real-time without
;; shutting down or restarting anything (usually, at least).
;;
;; This gets called in 'main' further down, in every idle frame.
(defun update-swank ()
#-SWANK nil
#+SWANK (continuable
(let ((connection (or swank::*emacs-connection*
(swank::default-connection))))
(when connection
(swank::handle-requests connection t))))
)
(let ((i 0)
(spin-chars #(#\| #\/ #\- #\\)))
(defun spin-char ()
(setq i (mod (1+ i) (length spin-chars)))
(aref spin-chars i)))
(defun setup-window ()
(sdl:window
*x-res* *y-res*
:title-caption "cl-nono.lisp"
:icon-caption "cl-nono.lisp"
:double-buffer t
:fullscreen *fullscreen*)
(setf (sdl:frame-rate) 30)
(unless (sdl:initialise-default-font sdl:*font-9x18b*)
(error "Can not initialize font.")))
(defun init-board (name)
(setq *board* (make-board (load-puzzle (string-downcase name))))
(center-board))
(defun random-unsolved-puzzle-name ()
(let* ((puzzle-names (set-difference (list-puzzles) *solved-puzzles*
:test #'equalp))
(num-puzzles (length puzzle-names)))
(if (= num-puzzles 0)
nil
(nth (random num-puzzles) puzzle-names))))
(defun force-mouse-to-center ()
(setf (aref (sdl:mouse-position) 0)
(truncate *x-res* 2)
(aref (sdl:mouse-position) 1)
(truncate *y-res* 2)))
(defun main (&optional (name nil))
(setq *random-state* (make-random-state t))
(sdl:with-init (sdl:sdl-init-video)
;; if parameter specified, bypass splash and jump right into puzzle
(setq *state* (if name
(progn
(init-board name)
'PLAYING)
'INTRO))
(setup-window)
(sdl:with-events ()
(:video-expose-event
()
(sdl:update-display))
(:idle
()
#+SWANK (update-swank)
(cond
((sdl:key-pressed-p :SDL-KEY-ESCAPE)
(save-game)
(sdl:quit-sdl)
;; required or else "memory fault" fatal error
(return-from main))
((sdl:key-pressed-p :SDL-KEY-F11)
(setq *fullscreen* (not *fullscreen*))
(setup-window)))
(sdl:clear-display sdl:*black*)
(when (and (member *state* '(PLAYING REVIEW))
*board*)
(draw-board *board* *puzzle-x* *puzzle-y*
:pixel-size *pixel-size*
:draw-hints (eq *state* 'PLAYING)
:draw-grid (eq *state* 'PLAYING)
:draw-only-on (not (eq *state* 'PLAYING)))
;; set "cursor" for FORMAT back to index 0
(setf (fill-pointer *status-text*) 0)
(let ((mistakes (board-mistakes *board*)))
(case *state*
(PLAYING
(format *status-text* "mistakes: ~d" mistakes)
(sdl:draw-string-solid-*
*status-text* 8 16
:color (if (= 0 mistakes)
sdl:*green*
sdl:*red*)))
(REVIEW
(let ((spin (spin-char)))
(format *status-text* "~a YOU WIN, with ~d mistakes ~a"
spin mistakes spin))
(sdl:draw-string-solid-*
*status-text* 8 16
:color sdl:*white*)
(sdl:draw-string-solid-*
*end-of-game-text* 8 0
:color sdl:*red*)
(draw-puzzle-name)))))
(when (eq *state* 'INTRO)
(print-intro))
(sdl:update-display))
(:key-down-event
(:KEY key)
(if (and (eq *state* 'INTRO)
(not (member key '(:SDL-KEY-F11
:SDL-KEY-ESCAPE))))
(if (probe-file (savegame-path))
(progn
(setup-loaded-game (load-game))
(delete-savegame-file)
(setq *state* 'PLAYING))
(let ((puzzle-name
(if name
name
(random-unsolved-puzzle-name))))
(setq *state* 'PLAYING)
(init-board puzzle-name)))
(case key
;; Note that ESC already handled in INIT event further up
((:SDL-KEY-R)
(when (eq *state* 'REVIEW)
(init-board (puzzle-name (board-puzzle *board*)))
(setq *state* 'PLAYING)))
((:SDL-KEY-RETURN)
(when (eq *state* 'REVIEW)
(let ((puzzle-name
(random-unsolved-puzzle-name)))
(when puzzle-name
(init-board puzzle-name)
(setq *state* 'PLAYING))))))))
(:mouse-motion-event
(:x x :y y)
(when *board*
(multiple-value-bind
(sqx sqy)
(determine-square-clicked-on *board*
x y)
(setq *hovered-square-x* (or sqx -1)
*hovered-square-y* (or sqy -1)))))
(:mouse-button-down-event
(:button button)
(when (and
(eq *state* 'PLAYING)
*board*
(<= 0 *hovered-square-x*
(1- (array-dimension (board-squares *board*) 0)))
(<= 0 *hovered-square-y*
(1- (array-dimension (board-squares *board*) 1))))
(let ((sqvalue (aref (board-squares *board*)
*hovered-square-x* *hovered-square-y*)))
(case button
(1 ;; left click
(let ((nuvalue (if (= sqvalue 0) 1 0)))
(setf (aref (board-squares *board*)
*hovered-square-x* *hovered-square-y*)
nuvalue)
(if (and (= 1 nuvalue)
(/= 1 (aref
(puzzle-solution
(board-puzzle *board*))
*hovered-square-x*
*hovered-square-y*)))
(incf (board-mistakes *board*)))
(when (board-equals-solution? *board*)
(setq *state* 'REVIEW)
(pushnew (puzzle-name (board-puzzle *board*))
*solved-puzzles*))))
((2 3) ;; right click
(let ((nuvalue -1))
(setf (aref (board-squares *board*)
*hovered-square-x* *hovered-square-y*)
nuvalue))))
(setq *mouse-pressed* t))))
(:mouse-button-up-event
()
;;(:button button :state state :x x :y y)
(setq *mouse-pressed* nil))
(:quit-event
()
(format t "-----~%Exiting already?!~%")
(format t "Okay, fine, be that way...~%~%")
t))))
(defun parse-args-and-run ()
(let ((arg (nth 1 sb-ext:*posix-argv*)))
(if arg
(let ((arg (string-downcase arg)))
(if (find arg (list-puzzles) :test #'equalp)
(main arg)
(format t "Error: puzzle '~a' not found!~%" arg)))
(main))))
(defun save-game-and-die ()
(sb-ext:save-lisp-and-die
"cl-nono"
:executable t
:toplevel #'parse-args-and-run
:save-runtime-options t
;; if ZLIB was compiled into your copy of SBCL (for some dumb reason it
;; is not included in the default binaries on sbcl.org's website),
;; then uncomment this to generate a smaller executable file.
;;;; :compression 9
))