Jaidyn Ann
1f6ebbcfac
Adds a small layer for translating input characters from non-QWERTY keyboard layouts into their QWERTY counterparts. After all, it's not the WASD that counts, but the position: ,AOE is just as valid!
196 lines
7.1 KiB
Common Lisp
196 lines
7.1 KiB
Common Lisp
;;;; A simple TUI-game made for the text-flavoured LibreJam of 2023-06!
|
|
;;;; https://jamgaroo.xyz/jams/2
|
|
|
|
(ql:quickload '(alexandria cl-charms cl-tiled str))
|
|
|
|
|
|
(defun move-cursor (row column &key (stream *standard-output*))
|
|
"Moves cursor to desired position.
|
|
Borrowed from https://github.com/gorozhin/chlorophyll/
|
|
© 2022 Mikhail Gorozhin — MIT license"
|
|
(format stream "~C[~A;~AH" #\Esc row column))
|
|
|
|
|
|
(defun clear-screen (&key (stream *standard-output*))
|
|
"Completely clear the terminal screen."
|
|
(move-cursor 0 0 :stream stream)
|
|
(format stream "~C[J" #\Esc))
|
|
|
|
|
|
(defmacro do-for-cell (matrix &body body)
|
|
"Given a 2d-array (matrix), execute the body for every cell.
|
|
The body has access to 4 variables:
|
|
* i/j — The current row/column.
|
|
* dimensions — Dimensions of the given matrix.
|
|
* cell — The value of the current cell."
|
|
`(let* ((dimensions (array-dimensions ,matrix))
|
|
(max-i (car dimensions))
|
|
(max-j (cadr dimensions))
|
|
(i 0) (j 0))
|
|
(loop
|
|
(let ((cell (ignore-errors (aref ,matrix i j))))
|
|
(cond
|
|
((< i max-i)
|
|
(cond
|
|
((< j max-j)
|
|
,@body
|
|
(incf j))
|
|
((eq j max-j)
|
|
(setf j 0)
|
|
(incf i))))
|
|
((eq i max-i)
|
|
(return)))))))
|
|
|
|
|
|
(defun matrix-delta (a b)
|
|
"Given two 2D matrices, return a matrix containing only the cells
|
|
that change between a→b (favouring those in b) — all others are nil."
|
|
(let ((delta (make-array (array-dimensions a))))
|
|
(do-for-cell a
|
|
(when (not (eq cell
|
|
(aref b i j)))
|
|
(setf (aref delta i j)
|
|
(aref b i j))))
|
|
delta))
|
|
|
|
|
|
(defun print-screen-matrix (matrix)
|
|
"Given a matrix of characters, print each element to standard output."
|
|
(do-for-cell matrix
|
|
(when (characterp cell)
|
|
(move-cursor (+ i 1) (+ j 1))
|
|
(write-char cell))))
|
|
|
|
|
|
(defun make-screen-matrix ()
|
|
"Create a “screen matrix” — that is, a 2D array representing the
|
|
72x20 grid of characters we can print to the terminal."
|
|
(make-array '(20 72) :initial-element #\space))
|
|
|
|
|
|
(defun screen-matrix-set-map (matrix map-path)
|
|
"Draw a Tiled-format tilemap to the 2D array."
|
|
(mapcar (lambda (layer) (screen-matrix-set-map-layer matrix layer))
|
|
(cl-tiled:map-layers (cl-tiled:load-map map-path)))
|
|
matrix)
|
|
|
|
|
|
(defun screen-matrix-set-map-layer (matrix tile-layer)
|
|
"Set an array's elements to those corresponding the given Tiled
|
|
tile-layer's cells. a Tiled tile-layer to the screen."
|
|
(mapcar (lambda (cell) (screen-matrix-set-char-cell matrix cell))
|
|
(cl-tiled:layer-cells tile-layer))
|
|
matrix)
|
|
|
|
|
|
(defun screen-matrix-set-char-cell (matrix cell)
|
|
"Set a matrice's (2d array's) element corresponding to
|
|
a Tiled cell's character-value, using it's column and row."
|
|
(setf (aref matrix
|
|
(cl-tiled:cell-row cell)
|
|
(cl-tiled:cell-column cell))
|
|
(tile-character
|
|
(cl-tiled:cell-tile cell))))
|
|
|
|
|
|
(defun tile-character (tile)
|
|
"Given a tileset's tile, return it's corresponding text character,
|
|
assuming that the tileset is a bitmap font starting with char-code 32
|
|
with 15 characters-per-line."
|
|
(code-char
|
|
(+ (* (cl-tiled:tile-row tile) 15)
|
|
(cl-tiled:tile-column tile)
|
|
32)))
|
|
|
|
|
|
(defvar +qwerty-layout+
|
|
'(#\q #\Q #\w #\W #\e #\E #\r #\R #\t #\T #\y #\Y #\u #\U #\i #\I #\o #\O #\p #\P #\[ #\{ #\] #\}
|
|
#\a #\A #\s #\S #\d #\D #\f #\F #\g #\G #\h #\H #\j #\J #\k #\K #\l #\L #\; #\: #\' #\"
|
|
#\z #\Z #\x #\X #\c #\C #\v #\V #\b #\B #\n #\N #\m #\M #\, #\< #\. #\> #\/ #\?))
|
|
|
|
(defvar +dvorak-layout+
|
|
'(#\' #\" #\, #\< #\. #\> #\p #\P #\y #\Y #\f #\F #\g #\G #\c #\C #\r #\R #\l #\L #\/ #\? #\= #\+
|
|
#\a #\A #\o #\O #\e #\E #\u #\U #\i #\I #\d #\D #\h #\H #\t #\T #\n #\N #\s #\S #\- #\_
|
|
#\; #\: #\q #\Q #\j #\J #\k #\K #\x #\X #\b #\B #\m #\M #\w #\W #\v #\V #\z #\Z))
|
|
|
|
|
|
(defun parallel-list-item (item-a list-a list-b &key (test #'eql))
|
|
"Given two parallel lists and an item contained in the first list, return its
|
|
corresponding item in the other list, by index."
|
|
(let ((index (position item-a list-a :test test)))
|
|
(if index
|
|
(nth index list-b))))
|
|
|
|
|
|
(defun normalize-char (char-plist &optional (layout +qwerty-layout+))
|
|
"Given a character input property list (as received from read-char-plist),
|
|
massage the output into parsable, deescaped, QWERTY-according format."
|
|
(let ((normalized (deescape-char-plist char-plist)))
|
|
(setf (getf normalized :char)
|
|
(qwertyize-char (getf normalized :char)
|
|
layout))
|
|
normalized))
|
|
|
|
|
|
(defun qwertyize-char (char layout)
|
|
"Given a char input in some layout, return the corresponding character in QWERTY.
|
|
Not at all comprehensive, but probably-mostly-just-good-enough. ¯\_ (ツ)_/¯"
|
|
(or (parallel-list-item char layout +qwerty-layout+)
|
|
char))
|
|
|
|
|
|
(defun deescape-char-plist (char-plist)
|
|
"Translate escaped characters into somewhat-semantically-adjacent
|
|
characters, like left arrow-key (escaped D) into ← (“LEFTWARDS ARROW”)."
|
|
(list :modifier (getf char-plist :modifier)
|
|
:char (if (getf char-plist :escaped)
|
|
(case (getf char-plist :char)
|
|
(#\A #\↑)
|
|
(#\B #\↓)
|
|
(#\C #\→)
|
|
(#\D #\←)
|
|
(otherwise (getf char-plist :char)))
|
|
(getf char-plist :char))))
|
|
|
|
|
|
(defun read-char-plist (&optional (stream *standard-input*))
|
|
"Reads a character directly from standard-input (sans buffering).
|
|
Simple terminal escape codes (like arrow-keys) are translated into
|
|
roughly-semantically-equal character representations — see the
|
|
docstring of #'escape-code-to-character for more info."
|
|
(let* ((char-1 (read-char stream))
|
|
(char-2 (if (eq char-1 #\ESC) (read-char-no-hang stream))) ; Maybe escaped char or [.
|
|
(char-3 (if (eq char-2 #\[) (read-char-no-hang stream))) ; Maybe end-of-sequence, or 1.
|
|
(char-4 (if (eq char-3 #\1) (read-char-no-hang stream))) ; Maybe semicolon.
|
|
(char-5 (if (eq char-4 #\;) (read-char-no-hang stream))) ; Maybe modifer-key.
|
|
(char-6 (if (characterp char-5) (read-char-no-hang stream)))) ; Escaped char and EOS.
|
|
;; Let me explain! There are pretty much three input-cases we should care about:
|
|
;; * character
|
|
;; * ␛ character
|
|
;; * ␛ [ character
|
|
;; * ␛ [ 1 ; modifier character
|
|
;; This is by no means comprehensive, sorry: I didn't even try! But it suits my purposes. :-P
|
|
(let ((the-char (or char-6 char-3 char-2 char-1))
|
|
(modifier (case char-5
|
|
(#\2 'shift)
|
|
(#\3 'meta)
|
|
(#\5 'control)))
|
|
(escaped (eq char-1 #\ESC)))
|
|
(list :char the-char :modifier modifier :escaped escaped))))
|
|
|
|
|
|
(defun main ()
|
|
"A pathetic fascimile of a main loop. Look, I'm still tinkering!"
|
|
(let ((matrix (make-screen-matrix)))
|
|
(screen-matrix-set-map
|
|
matrix
|
|
(str:concat (namestring (uiop:getcwd)) "res/map.tmx"))
|
|
(cl-charms:with-curses ()
|
|
(cl-charms:enable-raw-input :interpret-control-characters 't)
|
|
(print-screen-matrix matrix)
|
|
(loop (print (deescape-char-plist (read-char-plist))))
|
|
(sleep 5))))
|
|
|
|
|
|
(main)
|