;; URL: https://git.korewanetadesu.com/pico8.git
;; Keywords: convenience
;;
-;; 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 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.
;;; Commentary:
;;
-;; This mode (ab)uses polymode to fit six modes into one buffer, one
-;; of which is "real Lua" text and the other five of which have
-;; diverse strict formatting requirements.
+;; This mode (ab)uses polymode to fit six modes into one buffer, one of
+;; which is "real Lua" text and the other five of which have diverse
+;; strict formatting requirements.
;;
;; It provides keybindings and commands for inter-mode actions.
(require 'lua-mode)
(require 'thingatpt)
(require 'dash)
+(require 'calc-bin)
(defgroup pico8 nil
PICO-8 processes are long-lived with little surprising output, so
their output buffers are killed by default when they exit.
-However, this is not usual behavior in Emacs, and can be
-disabled by setting this to t."
+However, this is not usual behavior in Emacs, and can be disabled
+by setting this to t."
:group 'pico8
:tag "Preserve PICO-8 Output On Exit"
:type 'boolean)
(defcustom pico8-lua-indent-level 1
"Default indentation for PICO-8 Lua mode.
-This overrides `lua-indent-level' in `pico8-lua-mode'.
-`lua-mode''s default indentation is 3, which is both
+This overrides ‘lua-indent-level’ in ‘pico8-lua-mode’.
+‘lua-mode’ uses a default indentation is 3, which is both
idiosyncratic and quite large when viewed in the PICO-8 editor,
where the convention is 1."
:group 'pico8
"Look up the PICO-8 executable."
(or (car (delete nil (mapcar 'executable-find pico8-executable-paths)))
(error "The PICO-8 executable could not be found.
-Make sure it is installed, and present in `pico8-executable-paths'")))
+Make sure it is installed, and present in ‘pico8-executable-paths’")))
(defun pico8--create-output-buffer ()
"Create and return a buffer for PICO-8 output."
(col (current-column)))
(+ (* 128 row) (/ col 2)))))
+(defun pico8-gff-eldoc ()
+ "Show information about the flag under the point."
+ (save-excursion
+ (when (cl-oddp (current-column))
+ (backward-char))
+ (when (looking-at "..")
+ (let* ((hex (substring-no-properties (match-string 0)))
+ (int (string-to-number hex 16)))
+ (format "%08d %3d %02x"
+ (let ((calc-number-radix 2))
+ (string-to-number (math-format-radix int)))
+ int int)))))
+
+(defconst pico8-gff-font-lock-keywords
+ '(("..\n?" 0
+ (prog1 nil
+ ;; TODO: Lots of work to do here…
+ (let ((pdl (or (car (overlays-at (match-beginning 0)))
+ (make-overlay (match-beginning 0) (match-end 0)))))
+ (overlay-put pdl 'after-string " "))))))
+
+
(define-derived-mode pico8-gff-mode pico8-data-mode
'(:eval (format "Flag[%d]" (pico8-gff-lighter)))
- "Major mode for editing flags in PICO-8 cartridges.")
+ "Major mode for editing flags in PICO-8 cartridges."
+ (font-lock-add-keywords nil pico8-gff-font-lock-keywords)
+ (setq-local eldoc-documentation-function #'pico8-gff-eldoc))
(defun pico8-gff-offset-of-flag (flag)
"Calculate the offset of of flag number FLAG."
(unless (<= 0 flag 255)
(error "Valid flag numbers are 0 to 255, inclusive"))
(+ (* 2 flag) (if (> flag 128) 1 0)))
+
\f
(defface pico8-pixel
'((t (:inherit pico8-data :height 100)))
(-map-indexed
(lambda (i c)
`(,(format "%x+" i)
- 0 '(:inherit pico8-pixel :foreground ,c)))
+ 0 '(face (:inherit pico8-pixel :foreground ,c))))
pico8-colors)))
"Get the sprite number relevant to the point.
When editing a flag, this is the flag number. When editing a
-map, this is the value at the map. When editing Lua code,
-this is the numeric literal in the code."
+map, this is the value at the map. When editing Lua code, this
+is the numeric literal in the code."
(cond
((derived-mode-p 'pico8-gff-mode) (pico8-gff-current-position))
"Go to the sprite number relevant to the text at the point.
When editing a flag, this is the flag number. When editing a
-map, this is the value at the map. When editing Lua code,
-this is the numeric literal in the code."
+map, this is the value at the map. When editing Lua code, this
+is the numeric literal in the code."
(interactive)
(let ((sprite (pico8-sprite-relevant-to-point)))
(if sprite (pico8-goto-sprite sprite)
(flycheck-define-checker pico8-lua
"A PICO-8 Lua syntax checker using the Lua compiler.
-See URL `http://www.lua.org/'."
+See URL ‘http://www.lua.org/'."
:command ("luac" "-p" source)
:standard-input nil
:error-patterns
(flycheck-define-checker pico8-luacheck
"A PICO-8 Lua syntax checker using luacheck.
-See URL `https://github.com/mpeterv/luacheck'."
+See URL ‘https://github.com/mpeterv/luacheck’."
:command ("luacheck"
"--formatter" "plain"
"--codes" ; Show warning codes
(error line-start
(optional (file-name))
":" line ":" column ":"
- ;; `luacheck' before 0.11.0 did not output codes for errors, hence
+ ;; ‘luacheck’ before 0.11.0 did not output codes for errors, hence
;; the ID is optional here
(optional " (" (id "E" (one-or-more digit)) ") ")
(message) line-end))
(provide 'pico8)
;;; pico8.el ends here
+
+;; Local Variables:
+;; sentence-end-double-space: t
+;; End:
projects / pico8.git / blobdiff